src/game.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "game.h"
  21
  22 #include <iomanip>
  23 #include <cmath>
  24 #include "client/renderingengine.h"
  25 #include "camera.h"
  26 #include "client.h"
  27 #include "client/clientevent.h"
  28 #include "client/inputhandler.h"
  29 #include "client/tile.h"     // For TextureSource
  30 #include "client/keys.h"
  31 #include "client/joystick_controller.h"
  32 #include "clientmap.h"
  33 #include "clouds.h"
  34 #include "config.h"
  35 #include "content_cao.h"
  36 #include "event_manager.h"
  37 #include "fontengine.h"
  38 #include "itemdef.h"
  39 #include "log.h"
  40 #include "filesys.h"
  41 #include "gettext.h"
  42 #include "gui/guiChatConsole.h"
  43 #include "gui/guiFormSpecMenu.h"
  44 #include "gui/guiKeyChangeMenu.h"
  45 #include "gui/guiPasswordChange.h"
  46 #include "gui/guiVolumeChange.h"
  47 #include "gui/mainmenumanager.h"
  48 #include "mapblock.h"
  49 #include "minimap.h"
  50 #include "nodedef.h"         // Needed for determining pointing to nodes
  51 #include "nodemetadata.h"
  52 #include "particles.h"
  53 #include "profiler.h"
  54 #include "quicktune_shortcutter.h"
  55 #include "raycast.h"
  56 #include "server.h"
  57 #include "settings.h"
  58 #include "shader.h"
  59 #include "sky.h"
  60 #include "subgame.h"
  61 #include "tool.h"
  62 #include "translation.h"
  63 #include "util/basic_macros.h"
  64 #include "util/directiontables.h"
  65 #include "util/pointedthing.h"
  66 #include "irrlicht_changes/static_text.h"
  67 #include "version.h"
  68 #include "script/scripting_client.h"
  69
  70 #if USE_SOUND
  71         #include "sound_openal.h"
  72 #endif
  73
  74
  75 /*
  76         Text input system
  77 */
  78
  79 struct TextDestNodeMetadata : public TextDest
  80 {
  81         TextDestNodeMetadata(v3s16 p, Client *client)
  82         {
  83                 m_p = p;
  84                 m_client = client;
  85         }
  86         // This is deprecated I guess? -celeron55
  87         void gotText(const std::wstring &text)
  88         {
  89                 std::string ntext = wide_to_utf8(text);
  90                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  91                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  92                 StringMap fields;
  93                 fields["text"] = ntext;
  94                 m_client->sendNodemetaFields(m_p, "", fields);
  95         }
  96         void gotText(const StringMap &fields)
  97         {
  98                 m_client->sendNodemetaFields(m_p, "", fields);
  99         }
 100
 101         v3s16 m_p;
 102         Client *m_client;
 103 };
 104
 105 struct TextDestPlayerInventory : public TextDest
 106 {
 107         TextDestPlayerInventory(Client *client)
 108         {
 109                 m_client = client;
 110                 m_formname = "";
 111         }
 112         TextDestPlayerInventory(Client *client, const std::string &formname)
 113         {
 114                 m_client = client;
 115                 m_formname = formname;
 116         }
 117         void gotText(const StringMap &fields)
 118         {
 119                 m_client->sendInventoryFields(m_formname, fields);
 120         }
 121
 122         Client *m_client;
 123 };
 124
 125 struct LocalFormspecHandler : public TextDest
 126 {
 127         LocalFormspecHandler(const std::string &formname)
 128         {
 129                 m_formname = formname;
 130         }
 131
 132         LocalFormspecHandler(const std::string &formname, Client *client):
 133                 m_client(client)
 134         {
 135                 m_formname = formname;
 136         }
 137
 138         void gotText(const StringMap &fields)
 139         {
 140                 if (m_formname == "MT_PAUSE_MENU") {
 141                         if (fields.find("btn_sound") != fields.end()) {
 142                                 g_gamecallback->changeVolume();
 143                                 return;
 144                         }
 145
 146                         if (fields.find("btn_key_config") != fields.end()) {
 147                                 g_gamecallback->keyConfig();
 148                                 return;
 149                         }
 150
 151                         if (fields.find("btn_exit_menu") != fields.end()) {
 152                                 g_gamecallback->disconnect();
 153                                 return;
 154                         }
 155
 156                         if (fields.find("btn_exit_os") != fields.end()) {
 157                                 g_gamecallback->exitToOS();
 158 #ifndef __ANDROID__
 159                                 RenderingEngine::get_raw_device()->closeDevice();
 160 #endif
 161                                 return;
 162                         }
 163
 164                         if (fields.find("btn_change_password") != fields.end()) {
 165                                 g_gamecallback->changePassword();
 166                                 return;
 167                         }
 168
 169                         if (fields.find("quit") != fields.end()) {
 170                                 return;
 171                         }
 172
 173                         if (fields.find("btn_continue") != fields.end()) {
 174                                 return;
 175                         }
 176                 }
 177
 178                 // Don't disable this part when modding is disabled, it's used in builtin
 179                 if (m_client && m_client->getScript())
 180                         m_client->getScript()->on_formspec_input(m_formname, fields);
 181         }
 182
 183         Client *m_client = nullptr;
 184 };
 185
 186 /* Form update callback */
 187
 188 static const std::string empty_string = "";
 189 class NodeMetadataFormSource: public IFormSource
 190 {
 191 public:
 192         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 193                 m_map(map),
 194                 m_p(p)
 195         {
 196         }
 197         const std::string &getForm() const
 198         {
 199                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 200
 201                 if (!meta)
 202                         return empty_string;
 203
 204                 return meta->getString("formspec");
 205         }
 206
 207         virtual std::string resolveText(const std::string &str)
 208         {
 209                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 210
 211                 if (!meta)
 212                         return str;
 213
 214                 return meta->resolveString(str);
 215         }
 216
 217         ClientMap *m_map;
 218         v3s16 m_p;
 219 };
 220
 221 class PlayerInventoryFormSource: public IFormSource
 222 {
 223 public:
 224         PlayerInventoryFormSource(Client *client):
 225                 m_client(client)
 226         {
 227         }
 228
 229         const std::string &getForm() const
 230         {
 231                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 232                 return player->inventory_formspec;
 233         }
 234
 235         Client *m_client;
 236 };
 237
 238 /* Profiler display */
 239
 240 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
 241                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
 242 {
 243         if (show_profiler == 0) {
 244                 guitext_profiler->setVisible(false);
 245         } else {
 246
 247                 std::ostringstream os(std::ios_base::binary);
 248                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 249                 std::wstring text = translate_string(utf8_to_wide(os.str()));
 250                 setStaticText(guitext_profiler, text.c_str());
 251                 guitext_profiler->setVisible(true);
 252
 253                 s32 w = fe->getTextWidth(text);
 254
 255                 if (w < 400)
 256                         w = 400;
 257
 258                 unsigned text_height = fe->getTextHeight();
 259
 260                 core::position2di upper_left, lower_right;
 261
 262                 upper_left.X  = 6;
 263                 upper_left.Y  = (text_height + 5) * 2;
 264                 lower_right.X = 12 + w;
 265                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
 266
 267                 if (lower_right.Y > screen_height * 2 / 3)
 268                         lower_right.Y = screen_height * 2 / 3;
 269
 270                 core::rect<s32> rect(upper_left, lower_right);
 271
 272                 guitext_profiler->setRelativePosition(rect);
 273                 guitext_profiler->setVisible(true);
 274         }
 275 }
 276
 277 class ProfilerGraph
 278 {
 279 private:
 280         struct Piece {
 281                 Profiler::GraphValues values;
 282         };
 283         struct Meta {
 284                 float min;
 285                 float max;
 286                 video::SColor color;
 287                 Meta(float initial = 0,
 288                         video::SColor color = video::SColor(255, 255, 255, 255)):
 289                         min(initial),
 290                         max(initial),
 291                         color(color)
 292                 {}
 293         };
 294         std::deque<Piece> m_log;
 295 public:
 296         u32 m_log_max_size = 200;
 297
 298         ProfilerGraph() = default;
 299
 300         void put(const Profiler::GraphValues &values)
 301         {
 302                 Piece piece;
 303                 piece.values = values;
 304                 m_log.push_back(piece);
 305
 306                 while (m_log.size() > m_log_max_size)
 307                         m_log.erase(m_log.begin());
 308         }
 309
 310         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 311                   gui::IGUIFont *font) const
 312         {
 313                 // Do *not* use UNORDERED_MAP here as the order needs
 314                 // to be the same for each call to prevent flickering
 315                 std::map<std::string, Meta> m_meta;
 316
 317                 for (const Piece &piece : m_log) {
 318                         for (const auto &i : piece.values) {
 319                                 const std::string &id = i.first;
 320                                 const float &value = i.second;
 321                                 std::map<std::string, Meta>::iterator j = m_meta.find(id);
 322
 323                                 if (j == m_meta.end()) {
 324                                         m_meta[id] = Meta(value);
 325                                         continue;
 326                                 }
 327
 328                                 if (value < j->second.min)
 329                                         j->second.min = value;
 330
 331                                 if (value > j->second.max)
 332                                         j->second.max = value;
 333                         }
 334                 }
 335
 336                 // Assign colors
 337                 static const video::SColor usable_colors[] = {
 338                         video::SColor(255, 255, 100, 100),
 339                         video::SColor(255, 90, 225, 90),
 340                         video::SColor(255, 100, 100, 255),
 341                         video::SColor(255, 255, 150, 50),
 342                         video::SColor(255, 220, 220, 100)
 343                 };
 344                 static const u32 usable_colors_count =
 345                         sizeof(usable_colors) / sizeof(*usable_colors);
 346                 u32 next_color_i = 0;
 347
 348                 for (auto &i : m_meta) {
 349                         Meta &meta = i.second;
 350                         video::SColor color(255, 200, 200, 200);
 351
 352                         if (next_color_i < usable_colors_count)
 353                                 color = usable_colors[next_color_i++];
 354
 355                         meta.color = color;
 356                 }
 357
 358                 s32 graphh = 50;
 359                 s32 textx = x_left + m_log_max_size + 15;
 360                 s32 textx2 = textx + 200 - 15;
 361                 s32 meta_i = 0;
 362
 363                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 364                                 i != m_meta.end(); ++i) {
 365                         const std::string &id = i->first;
 366                         const Meta &meta = i->second;
 367                         s32 x = x_left;
 368                         s32 y = y_bottom - meta_i * 50;
 369                         float show_min = meta.min;
 370                         float show_max = meta.max;
 371
 372                         if (show_min >= -0.0001 && show_max >= -0.0001) {
 373                                 if (show_min <= show_max * 0.5)
 374                                         show_min = 0;
 375                         }
 376
 377                         s32 texth = 15;
 378                         char buf[10];
 379                         snprintf(buf, 10, "%.3g", show_max);
 380                         font->draw(utf8_to_wide(buf).c_str(),
 381                                         core::rect<s32>(textx, y - graphh,
 382                                                    textx2, y - graphh + texth),
 383                                         meta.color);
 384                         snprintf(buf, 10, "%.3g", show_min);
 385                         font->draw(utf8_to_wide(buf).c_str(),
 386                                         core::rect<s32>(textx, y - texth,
 387                                                    textx2, y),
 388                                         meta.color);
 389                         font->draw(utf8_to_wide(id).c_str(),
 390                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
 391                                                    textx2, y - graphh / 2 + texth / 2),
 392                                         meta.color);
 393                         s32 graph1y = y;
 394                         s32 graph1h = graphh;
 395                         bool relativegraph = (show_min != 0 && show_min != show_max);
 396                         float lastscaledvalue = 0.0;
 397                         bool lastscaledvalue_exists = false;
 398
 399                         for (const Piece &piece : m_log) {
 400                                 float value = 0;
 401                                 bool value_exists = false;
 402                                 Profiler::GraphValues::const_iterator k =
 403                                         piece.values.find(id);
 404
 405                                 if (k != piece.values.end()) {
 406                                         value = k->second;
 407                                         value_exists = true;
 408                                 }
 409
 410                                 if (!value_exists) {
 411                                         x++;
 412                                         lastscaledvalue_exists = false;
 413                                         continue;
 414                                 }
 415
 416                                 float scaledvalue = 1.0;
 417
 418                                 if (show_max != show_min)
 419                                         scaledvalue = (value - show_min) / (show_max - show_min);
 420
 421                                 if (scaledvalue == 1.0 && value == 0) {
 422                                         x++;
 423                                         lastscaledvalue_exists = false;
 424                                         continue;
 425                                 }
 426
 427                                 if (relativegraph) {
 428                                         if (lastscaledvalue_exists) {
 429                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 430                                                 s32 ivalue2 = scaledvalue * graph1h;
 431                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
 432                                                                    v2s32(x, graph1y - ivalue2), meta.color);
 433                                         }
 434
 435                                         lastscaledvalue = scaledvalue;
 436                                         lastscaledvalue_exists = true;
 437                                 } else {
 438                                         s32 ivalue = scaledvalue * graph1h;
 439                                         driver->draw2DLine(v2s32(x, graph1y),
 440                                                            v2s32(x, graph1y - ivalue), meta.color);
 441                                 }
 442
 443                                 x++;
 444                         }
 445
 446                         meta_i++;
 447                 }
 448         }
 449 };
 450
 451 class NodeDugEvent: public MtEvent
 452 {
 453 public:
 454         v3s16 p;
 455         MapNode n;
 456
 457         NodeDugEvent(v3s16 p, MapNode n):
 458                 p(p),
 459                 n(n)
 460         {}
 461         const char *getType() const
 462         {
 463                 return "NodeDug";
 464         }
 465 };
 466
 467 class SoundMaker
 468 {
 469         ISoundManager *m_sound;
 470         INodeDefManager *m_ndef;
 471 public:
 472         bool makes_footstep_sound;
 473         float m_player_step_timer;
 474
 475         SimpleSoundSpec m_player_step_sound;
 476         SimpleSoundSpec m_player_leftpunch_sound;
 477         SimpleSoundSpec m_player_rightpunch_sound;
 478
 479         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 480                 m_sound(sound),
 481                 m_ndef(ndef),
 482                 makes_footstep_sound(true),
 483                 m_player_step_timer(0)
 484         {
 485         }
 486
 487         void playPlayerStep()
 488         {
 489                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 490                         m_player_step_timer = 0.03;
 491                         if (makes_footstep_sound)
 492                                 m_sound->playSound(m_player_step_sound, false);
 493                 }
 494         }
 495
 496         static void viewBobbingStep(MtEvent *e, void *data)
 497         {
 498                 SoundMaker *sm = (SoundMaker *)data;
 499                 sm->playPlayerStep();
 500         }
 501
 502         static void playerRegainGround(MtEvent *e, void *data)
 503         {
 504                 SoundMaker *sm = (SoundMaker *)data;
 505                 sm->playPlayerStep();
 506         }
 507
 508         static void playerJump(MtEvent *e, void *data)
 509         {
 510                 //SoundMaker *sm = (SoundMaker*)data;
 511         }
 512
 513         static void cameraPunchLeft(MtEvent *e, void *data)
 514         {
 515                 SoundMaker *sm = (SoundMaker *)data;
 516                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 517         }
 518
 519         static void cameraPunchRight(MtEvent *e, void *data)
 520         {
 521                 SoundMaker *sm = (SoundMaker *)data;
 522                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 523         }
 524
 525         static void nodeDug(MtEvent *e, void *data)
 526         {
 527                 SoundMaker *sm = (SoundMaker *)data;
 528                 NodeDugEvent *nde = (NodeDugEvent *)e;
 529                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 530         }
 531
 532         static void playerDamage(MtEvent *e, void *data)
 533         {
 534                 SoundMaker *sm = (SoundMaker *)data;
 535                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 536         }
 537
 538         static void playerFallingDamage(MtEvent *e, void *data)
 539         {
 540                 SoundMaker *sm = (SoundMaker *)data;
 541                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 542         }
 543
 544         void registerReceiver(MtEventManager *mgr)
 545         {
 546                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 547                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 548                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 549                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 550                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 551                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 552                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 553                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 554         }
 555
 556         void step(float dtime)
 557         {
 558                 m_player_step_timer -= dtime;
 559         }
 560 };
 561
 562 // Locally stored sounds don't need to be preloaded because of this
 563 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 564 {
 565         std::set<std::string> m_fetched;
 566 private:
 567         void paths_insert(std::set<std::string> &dst_paths,
 568                 const std::string &base,
 569                 const std::string &name)
 570         {
 571                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".ogg");
 572                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".0.ogg");
 573                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".1.ogg");
 574                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".2.ogg");
 575                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".3.ogg");
 576                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".4.ogg");
 577                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".5.ogg");
 578                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".6.ogg");
 579                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".7.ogg");
 580                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".8.ogg");
 581                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".9.ogg");
 582         }
 583 public:
 584         void fetchSounds(const std::string &name,
 585                 std::set<std::string> &dst_paths,
 586                 std::set<std::string> &dst_datas)
 587         {
 588                 if (m_fetched.count(name))
 589                         return;
 590
 591                 m_fetched.insert(name);
 592
 593                 paths_insert(dst_paths, porting::path_share, name);
 594                 paths_insert(dst_paths, porting::path_user,  name);
 595         }
 596 };
 597
 598
 599 // before 1.8 there isn't a "integer interface", only float
 600 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 601 typedef f32 SamplerLayer_t;
 602 #else
 603 typedef s32 SamplerLayer_t;
 604 #endif
 605
 606
 607 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 608 {
 609         Sky *m_sky;
 610         bool *m_force_fog_off;
 611         f32 *m_fog_range;
 612         bool m_fog_enabled;
 613         CachedPixelShaderSetting<float, 4> m_sky_bg_color;
 614         CachedPixelShaderSetting<float> m_fog_distance;
 615         CachedVertexShaderSetting<float> m_animation_timer_vertex;
 616         CachedPixelShaderSetting<float> m_animation_timer_pixel;
 617         CachedPixelShaderSetting<float, 3> m_day_light;
 618         CachedPixelShaderSetting<float, 3> m_eye_position_pixel;
 619         CachedVertexShaderSetting<float, 3> m_eye_position_vertex;
 620         CachedPixelShaderSetting<float, 3> m_minimap_yaw;
 621         CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
 622         CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
 623         CachedPixelShaderSetting<SamplerLayer_t> m_texture_flags;
 624         Client *m_client;
 625
 626 public:
 627         void onSettingsChange(const std::string &name)
 628         {
 629                 if (name == "enable_fog")
 630                         m_fog_enabled = g_settings->getBool("enable_fog");
 631         }
 632
 633         static void settingsCallback(const std::string &name, void *userdata)
 634         {
 635                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 636         }
 637
 638         void setSky(Sky *sky) { m_sky = sky; }
 639
 640         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 641                         f32 *fog_range, Client *client) :
 642                 m_sky(sky),
 643                 m_force_fog_off(force_fog_off),
 644                 m_fog_range(fog_range),
 645                 m_sky_bg_color("skyBgColor"),
 646                 m_fog_distance("fogDistance"),
 647                 m_animation_timer_vertex("animationTimer"),
 648                 m_animation_timer_pixel("animationTimer"),
 649                 m_day_light("dayLight"),
 650                 m_eye_position_pixel("eyePosition"),
 651                 m_eye_position_vertex("eyePosition"),
 652                 m_minimap_yaw("yawVec"),
 653                 m_base_texture("baseTexture"),
 654                 m_normal_texture("normalTexture"),
 655                 m_texture_flags("textureFlags"),
 656                 m_client(client)
 657         {
 658                 g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
 659                 m_fog_enabled = g_settings->getBool("enable_fog");
 660         }
 661
 662         ~GameGlobalShaderConstantSetter()
 663         {
 664                 g_settings->deregisterChangedCallback("enable_fog", settingsCallback, this);
 665         }
 666
 667         virtual void onSetConstants(video::IMaterialRendererServices *services,
 668                         bool is_highlevel)
 669         {
 670                 if (!is_highlevel)
 671                         return;
 672
 673                 // Background color
 674                 video::SColor bgcolor = m_sky->getBgColor();
 675                 video::SColorf bgcolorf(bgcolor);
 676                 float bgcolorfa[4] = {
 677                         bgcolorf.r,
 678                         bgcolorf.g,
 679                         bgcolorf.b,
 680                         bgcolorf.a,
 681                 };
 682                 m_sky_bg_color.set(bgcolorfa, services);
 683
 684                 // Fog distance
 685                 float fog_distance = 10000 * BS;
 686
 687                 if (m_fog_enabled && !*m_force_fog_off)
 688                         fog_distance = *m_fog_range;
 689
 690                 m_fog_distance.set(&fog_distance, services);
 691
 692                 u32 daynight_ratio = (float)m_client->getEnv().getDayNightRatio();
 693                 video::SColorf sunlight;
 694                 get_sunlight_color(&sunlight, daynight_ratio);
 695                 float dnc[3] = {
 696                         sunlight.r,
 697                         sunlight.g,
 698                         sunlight.b };
 699                 m_day_light.set(dnc, services);
 700
 701                 u32 animation_timer = porting::getTimeMs() % 100000;
 702                 float animation_timer_f = (float)animation_timer / 100000.f;
 703                 m_animation_timer_vertex.set(&animation_timer_f, services);
 704                 m_animation_timer_pixel.set(&animation_timer_f, services);
 705
 706                 float eye_position_array[3];
 707                 v3f epos = m_client->getEnv().getLocalPlayer()->getEyePosition();
 708 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 709                 eye_position_array[0] = epos.X;
 710                 eye_position_array[1] = epos.Y;
 711                 eye_position_array[2] = epos.Z;
 712 #else
 713                 epos.getAs3Values(eye_position_array);
 714 #endif
 715                 m_eye_position_pixel.set(eye_position_array, services);
 716                 m_eye_position_vertex.set(eye_position_array, services);
 717
 718                 if (m_client->getMinimap()) {
 719                         float minimap_yaw_array[3];
 720                         v3f minimap_yaw = m_client->getMinimap()->getYawVec();
 721 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 722                         minimap_yaw_array[0] = minimap_yaw.X;
 723                         minimap_yaw_array[1] = minimap_yaw.Y;
 724                         minimap_yaw_array[2] = minimap_yaw.Z;
 725 #else
 726                         minimap_yaw.getAs3Values(minimap_yaw_array);
 727 #endif
 728                         m_minimap_yaw.set(minimap_yaw_array, services);
 729                 }
 730
 731                 SamplerLayer_t base_tex = 0,
 732                                 normal_tex = 1,
 733                                 flags_tex = 2;
 734                 m_base_texture.set(&base_tex, services);
 735                 m_normal_texture.set(&normal_tex, services);
 736                 m_texture_flags.set(&flags_tex, services);
 737         }
 738 };
 739
 740
 741 class GameGlobalShaderConstantSetterFactory : public IShaderConstantSetterFactory
 742 {
 743         Sky *m_sky;
 744         bool *m_force_fog_off;
 745         f32 *m_fog_range;
 746         Client *m_client;
 747         std::vector<GameGlobalShaderConstantSetter *> created_nosky;
 748 public:
 749         GameGlobalShaderConstantSetterFactory(bool *force_fog_off,
 750                         f32 *fog_range, Client *client) :
 751                 m_sky(NULL),
 752                 m_force_fog_off(force_fog_off),
 753                 m_fog_range(fog_range),
 754                 m_client(client)
 755         {}
 756
 757         void setSky(Sky *sky) {
 758                 m_sky = sky;
 759                 for (GameGlobalShaderConstantSetter *ggscs : created_nosky) {
 760                         ggscs->setSky(m_sky);
 761                 }
 762                 created_nosky.clear();
 763         }
 764
 765         virtual IShaderConstantSetter* create()
 766         {
 767                 GameGlobalShaderConstantSetter *scs = new GameGlobalShaderConstantSetter(
 768                                 m_sky, m_force_fog_off, m_fog_range, m_client);
 769                 if (!m_sky)
 770                         created_nosky.push_back(scs);
 771                 return scs;
 772         }
 773 };
 774
 775
 776 bool nodePlacementPrediction(Client &client, const ItemDefinition &playeritem_def,
 777         const ItemStack &playeritem, v3s16 nodepos, v3s16 neighbourpos)
 778 {
 779         std::string prediction = playeritem_def.node_placement_prediction;
 780         INodeDefManager *nodedef = client.ndef();
 781         ClientMap &map = client.getEnv().getClientMap();
 782         MapNode node;
 783         bool is_valid_position;
 784
 785         node = map.getNodeNoEx(nodepos, &is_valid_position);
 786         if (!is_valid_position)
 787                 return false;
 788
 789         if (!prediction.empty() && !nodedef->get(node).rightclickable) {
 790                 verbosestream << "Node placement prediction for "
 791                               << playeritem_def.name << " is "
 792                               << prediction << std::endl;
 793                 v3s16 p = neighbourpos;
 794
 795                 // Place inside node itself if buildable_to
 796                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
 797                 if (is_valid_position)
 798                 {
 799                         if (nodedef->get(n_under).buildable_to)
 800                                 p = nodepos;
 801                         else {
 802                                 node = map.getNodeNoEx(p, &is_valid_position);
 803                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
 804                                         return false;
 805                         }
 806                 }
 807
 808                 // Find id of predicted node
 809                 content_t id;
 810                 bool found = nodedef->getId(prediction, id);
 811
 812                 if (!found) {
 813                         errorstream << "Node placement prediction failed for "
 814                                     << playeritem_def.name << " (places "
 815                                     << prediction
 816                                     << ") - Name not known" << std::endl;
 817                         return false;
 818                 }
 819
 820                 const ContentFeatures &predicted_f = nodedef->get(id);
 821
 822                 // Predict param2 for facedir and wallmounted nodes
 823                 u8 param2 = 0;
 824
 825                 if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 826                                 predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED) {
 827                         v3s16 dir = nodepos - neighbourpos;
 828
 829                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
 830                                 param2 = dir.Y < 0 ? 1 : 0;
 831                         } else if (abs(dir.X) > abs(dir.Z)) {
 832                                 param2 = dir.X < 0 ? 3 : 2;
 833                         } else {
 834                                 param2 = dir.Z < 0 ? 5 : 4;
 835                         }
 836                 }
 837
 838                 if (predicted_f.param_type_2 == CPT2_FACEDIR ||
 839                                 predicted_f.param_type_2 == CPT2_COLORED_FACEDIR) {
 840                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 841
 842                         if (abs(dir.X) > abs(dir.Z)) {
 843                                 param2 = dir.X < 0 ? 3 : 1;
 844                         } else {
 845                                 param2 = dir.Z < 0 ? 2 : 0;
 846                         }
 847                 }
 848
 849                 assert(param2 <= 5);
 850
 851                 //Check attachment if node is in group attached_node
 852                 if (((ItemGroupList) predicted_f.groups)["attached_node"] != 0) {
 853                         static v3s16 wallmounted_dirs[8] = {
 854                                 v3s16(0, 1, 0),
 855                                 v3s16(0, -1, 0),
 856                                 v3s16(1, 0, 0),
 857                                 v3s16(-1, 0, 0),
 858                                 v3s16(0, 0, 1),
 859                                 v3s16(0, 0, -1),
 860                         };
 861                         v3s16 pp;
 862
 863                         if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 864                                         predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)
 865                                 pp = p + wallmounted_dirs[param2];
 866                         else
 867                                 pp = p + v3s16(0, -1, 0);
 868
 869                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
 870                                 return false;
 871                 }
 872
 873                 // Apply color
 874                 if ((predicted_f.param_type_2 == CPT2_COLOR
 875                                 || predicted_f.param_type_2 == CPT2_COLORED_FACEDIR
 876                                 || predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)) {
 877                         const std::string &indexstr = playeritem.metadata.getString(
 878                                 "palette_index", 0);
 879                         if (!indexstr.empty()) {
 880                                 s32 index = mystoi(indexstr);
 881                                 if (predicted_f.param_type_2 == CPT2_COLOR) {
 882                                         param2 = index;
 883                                 } else if (predicted_f.param_type_2
 884                                                 == CPT2_COLORED_WALLMOUNTED) {
 885                                         // param2 = pure palette index + other
 886                                         param2 = (index & 0xf8) | (param2 & 0x07);
 887                                 } else if (predicted_f.param_type_2
 888                                                 == CPT2_COLORED_FACEDIR) {
 889                                         // param2 = pure palette index + other
 890                                         param2 = (index & 0xe0) | (param2 & 0x1f);
 891                                 }
 892                         }
 893                 }
 894
 895                 // Add node to client map
 896                 MapNode n(id, 0, param2);
 897
 898                 try {
 899                         LocalPlayer *player = client.getEnv().getLocalPlayer();
 900
 901                         // Dont place node when player would be inside new node
 902                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 903                         if (!nodedef->get(n).walkable ||
 904                                         g_settings->getBool("enable_build_where_you_stand") ||
 905                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 906                                         (nodedef->get(n).walkable &&
 907                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
 908                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
 909
 910                                 // This triggers the required mesh update too
 911                                 client.addNode(p, n);
 912                                 return true;
 913                         }
 914                 } catch (InvalidPositionException &e) {
 915                         errorstream << "Node placement prediction failed for "
 916                                     << playeritem_def.name << " (places "
 917                                     << prediction
 918                                     << ") - Position not loaded" << std::endl;
 919                 }
 920         }
 921
 922         return false;
 923 }
 924
 925 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
 926                 Client *client, JoystickController *joystick,
 927                 IFormSource *fs_src, TextDest *txt_dest)
 928 {
 929
 930         if (*cur_formspec == 0) {
 931                 *cur_formspec = new GUIFormSpecMenu(joystick, guiroot, -1, &g_menumgr,
 932                         client, client->getTextureSource(), fs_src, txt_dest);
 933                 (*cur_formspec)->doPause = false;
 934
 935                 /*
 936                         Caution: do not call (*cur_formspec)->drop() here --
 937                         the reference might outlive the menu, so we will
 938                         periodically check if *cur_formspec is the only
 939                         remaining reference (i.e. the menu was removed)
 940                         and delete it in that case.
 941                 */
 942
 943         } else {
 944                 (*cur_formspec)->setFormSource(fs_src);
 945                 (*cur_formspec)->setTextDest(txt_dest);
 946         }
 947
 948 }
 949
 950 #ifdef __ANDROID__
 951 #define SIZE_TAG "size[11,5.5]"
 952 #else
 953 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
 954 #endif
 955
 956 /******************************************************************************/
 957 static void updateChat(Client &client, f32 dtime, bool show_debug,
 958                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
 959                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
 960 {
 961         // Add chat log output for errors to be shown in chat
 962         static LogOutputBuffer chat_log_error_buf(g_logger, LL_ERROR);
 963
 964         // Get new messages from error log buffer
 965         while (!chat_log_error_buf.empty()) {
 966                 std::wstring error_message = utf8_to_wide(chat_log_error_buf.get());
 967                 if (!g_settings->getBool("disable_escape_sequences")) {
 968                         error_message = L"\x1b(c@red)" + error_message + L"\x1b(c@white)";
 969                 }
 970                 chat_backend.addMessage(L"", error_message);
 971         }
 972
 973         // Get new messages from client
 974         std::wstring message;
 975         while (client.getChatMessage(message)) {
 976                 chat_backend.addUnparsedMessage(message);
 977         }
 978
 979         // Remove old messages
 980         chat_backend.step(dtime);
 981
 982         // Display all messages in a static text element
 983         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
 984         EnrichedString recent_chat     = chat_backend.getRecentChat();
 985         unsigned int line_height       = g_fontengine->getLineHeight();
 986
 987         setStaticText(guitext_chat, recent_chat);
 988
 989         // Update gui element size and position
 990         s32 chat_y = 5;
 991
 992         if (show_debug)
 993                 chat_y += 2 * line_height;
 994
 995         // first pass to calculate height of text to be set
 996         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
 997         s32 width = std::min(g_fontengine->getTextWidth(recent_chat.c_str()) + 10,
 998                         window_size.X - 20);
 999         core::rect<s32> rect(10, chat_y, width, chat_y + window_size.Y);
1000         guitext_chat->setRelativePosition(rect);
1001
1002         //now use real height of text and adjust rect according to this size
1003         rect = core::rect<s32>(10, chat_y, width,
1004                                chat_y + guitext_chat->getTextHeight());
1005
1006
1007         guitext_chat->setRelativePosition(rect);
1008         // Don't show chat if disabled or empty or profiler is enabled
1009         guitext_chat->setVisible(
1010                 show_chat && recent_chat_count != 0 && !show_profiler);
1011 }
1012
1013
1014 /****************************************************************************
1015  Fast key cache for main game loop
1016  ****************************************************************************/
1017
1018 /* This is faster than using getKeySetting with the tradeoff that functions
1019  * using it must make sure that it's initialised before using it and there is
1020  * no error handling (for example bounds checking). This is really intended for
1021  * use only in the main running loop of the client (the_game()) where the faster
1022  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1023  * (e.g. formspecs) should continue using getKeySetting().
1024  */
1025 struct KeyCache {
1026
1027         KeyCache()
1028         {
1029                 handler = NULL;
1030                 populate();
1031                 populate_nonchanging();
1032         }
1033
1034         void populate();
1035
1036         // Keys that are not settings dependent
1037         void populate_nonchanging();
1038
1039         KeyPress key[KeyType::INTERNAL_ENUM_COUNT];
1040         InputHandler *handler;
1041 };
1042
1043 void KeyCache::populate_nonchanging()
1044 {
1045         key[KeyType::ESC] = EscapeKey;
1046 }
1047
1048 void KeyCache::populate()
1049 {
1050         key[KeyType::FORWARD]      = getKeySetting("keymap_forward");
1051         key[KeyType::BACKWARD]     = getKeySetting("keymap_backward");
1052         key[KeyType::LEFT]         = getKeySetting("keymap_left");
1053         key[KeyType::RIGHT]        = getKeySetting("keymap_right");
1054         key[KeyType::JUMP]         = getKeySetting("keymap_jump");
1055         key[KeyType::SPECIAL1]     = getKeySetting("keymap_special1");
1056         key[KeyType::SNEAK]        = getKeySetting("keymap_sneak");
1057
1058         key[KeyType::AUTOFORWARD]  = getKeySetting("keymap_autoforward");
1059
1060         key[KeyType::DROP]         = getKeySetting("keymap_drop");
1061         key[KeyType::INVENTORY]    = getKeySetting("keymap_inventory");
1062         key[KeyType::CHAT]         = getKeySetting("keymap_chat");
1063         key[KeyType::CMD]          = getKeySetting("keymap_cmd");
1064         key[KeyType::CMD_LOCAL]    = getKeySetting("keymap_cmd_local");
1065         key[KeyType::CONSOLE]      = getKeySetting("keymap_console");
1066         key[KeyType::MINIMAP]      = getKeySetting("keymap_minimap");
1067         key[KeyType::FREEMOVE]     = getKeySetting("keymap_freemove");
1068         key[KeyType::FASTMOVE]     = getKeySetting("keymap_fastmove");
1069         key[KeyType::NOCLIP]       = getKeySetting("keymap_noclip");
1070         key[KeyType::HOTBAR_PREV]  = getKeySetting("keymap_hotbar_previous");
1071         key[KeyType::HOTBAR_NEXT]  = getKeySetting("keymap_hotbar_next");
1072         key[KeyType::MUTE]         = getKeySetting("keymap_mute");
1073         key[KeyType::INC_VOLUME]   = getKeySetting("keymap_increase_volume");
1074         key[KeyType::DEC_VOLUME]   = getKeySetting("keymap_decrease_volume");
1075         key[KeyType::CINEMATIC]    = getKeySetting("keymap_cinematic");
1076         key[KeyType::SCREENSHOT]   = getKeySetting("keymap_screenshot");
1077         key[KeyType::TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1078         key[KeyType::TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1079         key[KeyType::TOGGLE_FORCE_FOG_OFF]
1080                         = getKeySetting("keymap_toggle_force_fog_off");
1081         key[KeyType::TOGGLE_UPDATE_CAMERA]
1082                         = getKeySetting("keymap_toggle_update_camera");
1083         key[KeyType::TOGGLE_DEBUG]
1084                         = getKeySetting("keymap_toggle_debug");
1085         key[KeyType::TOGGLE_PROFILER]
1086                         = getKeySetting("keymap_toggle_profiler");
1087         key[KeyType::CAMERA_MODE]
1088                         = getKeySetting("keymap_camera_mode");
1089         key[KeyType::INCREASE_VIEWING_RANGE]
1090                         = getKeySetting("keymap_increase_viewing_range_min");
1091         key[KeyType::DECREASE_VIEWING_RANGE]
1092                         = getKeySetting("keymap_decrease_viewing_range_min");
1093         key[KeyType::RANGESELECT]
1094                         = getKeySetting("keymap_rangeselect");
1095         key[KeyType::ZOOM] = getKeySetting("keymap_zoom");
1096
1097         key[KeyType::QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1098         key[KeyType::QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1099         key[KeyType::QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1100         key[KeyType::QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1101
1102         for (int i = 0; i < 23; i++) {
1103                 std::string slot_key_name = "keymap_slot" + std::to_string(i + 1);
1104                 key[KeyType::SLOT_1 + i] = getKeySetting(slot_key_name.c_str());
1105         }
1106
1107         if (handler) {
1108                 // First clear all keys, then re-add the ones we listen for
1109                 handler->dontListenForKeys();
1110                 for (const KeyPress &k : key) {
1111                         handler->listenForKey(k);
1112                 }
1113                 handler->listenForKey(EscapeKey);
1114                 handler->listenForKey(CancelKey);
1115         }
1116 }
1117
1118
1119 /****************************************************************************
1120
1121  ****************************************************************************/
1122
1123 const float object_hit_delay = 0.2;
1124
1125 struct FpsControl {
1126         u32 last_time, busy_time, sleep_time;
1127 };
1128
1129
1130 /* The reason the following structs are not anonymous structs within the
1131  * class is that they are not used by the majority of member functions and
1132  * many functions that do require objects of thse types do not modify them
1133  * (so they can be passed as a const qualified parameter)
1134  */
1135 struct CameraOrientation {
1136         f32 camera_yaw;    // "right/left"
1137         f32 camera_pitch;  // "up/down"
1138 };
1139
1140 struct GameRunData {
1141         u16 dig_index;
1142         u16 new_playeritem;
1143         PointedThing pointed_old;
1144         bool digging;
1145         bool ldown_for_dig;
1146         bool dig_instantly;
1147         bool digging_blocked;
1148         bool left_punch;
1149         bool update_wielded_item_trigger;
1150         bool reset_jump_timer;
1151         float nodig_delay_timer;
1152         float dig_time;
1153         float dig_time_complete;
1154         float repeat_rightclick_timer;
1155         float object_hit_delay_timer;
1156         float time_from_last_punch;
1157         ClientActiveObject *selected_object;
1158
1159         float jump_timer;
1160         float damage_flash;
1161         float update_draw_list_timer;
1162         float statustext_time;
1163
1164         f32 fog_range;
1165
1166         v3f update_draw_list_last_cam_dir;
1167
1168         u32 profiler_current_page;
1169         u32 profiler_max_page;     // Number of pages
1170
1171         float time_of_day;
1172         float time_of_day_smooth;
1173 };
1174
1175 struct Jitter {
1176         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1177 };
1178
1179 struct RunStats {
1180         u32 drawtime;
1181
1182         Jitter dtime_jitter, busy_time_jitter;
1183 };
1184
1185 class Game;
1186
1187 struct ClientEventHandler
1188 {
1189         void (Game::*handler)(ClientEvent *, CameraOrientation *);
1190 };
1191
1192 /****************************************************************************
1193  THE GAME
1194  ****************************************************************************/
1195
1196 /* This is not intended to be a public class. If a public class becomes
1197  * desirable then it may be better to create another 'wrapper' class that
1198  * hides most of the stuff in this class (nothing in this class is required
1199  * by any other file) but exposes the public methods/data only.
1200  */
1201 class Game {
1202 public:
1203         Game();
1204         ~Game();
1205
1206         bool startup(bool *kill,
1207                         bool random_input,
1208                         InputHandler *input,
1209                         const std::string &map_dir,
1210                         const std::string &playername,
1211                         const std::string &password,
1212                         // If address is "", local server is used and address is updated
1213                         std::string *address,
1214                         u16 port,
1215                         std::string &error_message,
1216                         bool *reconnect,
1217                         ChatBackend *chat_backend,
1218                         const SubgameSpec &gamespec,    // Used for local game
1219                         bool simple_singleplayer_mode);
1220
1221         void run();
1222         void shutdown();
1223
1224 protected:
1225
1226         void extendedResourceCleanup();
1227
1228         // Basic initialisation
1229         bool init(const std::string &map_dir, std::string *address,
1230                         u16 port,
1231                         const SubgameSpec &gamespec);
1232         bool initSound();
1233         bool createSingleplayerServer(const std::string &map_dir,
1234                         const SubgameSpec &gamespec, u16 port, std::string *address);
1235
1236         // Client creation
1237         bool createClient(const std::string &playername,
1238                         const std::string &password, std::string *address, u16 port);
1239         bool initGui();
1240
1241         // Client connection
1242         bool connectToServer(const std::string &playername,
1243                         const std::string &password, std::string *address, u16 port,
1244                         bool *connect_ok, bool *aborted);
1245         bool getServerContent(bool *aborted);
1246
1247         // Main loop
1248
1249         void updateInteractTimers(f32 dtime);
1250         bool checkConnection();
1251         bool handleCallbacks();
1252         void processQueues();
1253         void updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1254         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1255         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1256
1257         // Input related
1258         void processUserInput(f32 dtime);
1259         void processKeyInput();
1260         void processItemSelection(u16 *new_playeritem);
1261
1262         void dropSelectedItem(bool single_item = false);
1263         void openInventory();
1264         void openConsole(float scale, const wchar_t *line=NULL);
1265         void toggleFreeMove();
1266         void toggleFreeMoveAlt();
1267         void toggleFast();
1268         void toggleNoClip();
1269         void toggleCinematic();
1270         void toggleAutoforward();
1271
1272         void toggleChat();
1273         void toggleHud();
1274         void toggleMinimap(bool shift_pressed);
1275         void toggleFog();
1276         void toggleDebug();
1277         void toggleUpdateCamera();
1278         void toggleProfiler();
1279
1280         void increaseViewRange();
1281         void decreaseViewRange();
1282         void toggleFullViewRange();
1283         void checkZoomEnabled();
1284
1285         void updateCameraDirection(CameraOrientation *cam, float dtime);
1286         void updateCameraOrientation(CameraOrientation *cam, float dtime);
1287         void updatePlayerControl(const CameraOrientation &cam);
1288         void step(f32 *dtime);
1289         void processClientEvents(CameraOrientation *cam);
1290         void updateCamera(u32 busy_time, f32 dtime);
1291         void updateSound(f32 dtime);
1292         void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
1293         /*!
1294          * Returns the object or node the player is pointing at.
1295          * Also updates the selected thing in the Hud.
1296          *
1297          * @param[in]  shootline         the shootline, starting from
1298          * the camera position. This also gives the maximal distance
1299          * of the search.
1300          * @param[in]  liquids_pointable if false, liquids are ignored
1301          * @param[in]  look_for_object   if false, objects are ignored
1302          * @param[in]  camera_offset     offset of the camera
1303          * @param[out] selected_object   the selected object or
1304          * NULL if not found
1305          */
1306         PointedThing updatePointedThing(
1307                         const core::line3d<f32> &shootline, bool liquids_pointable,
1308                         bool look_for_object, const v3s16 &camera_offset);
1309         void handlePointingAtNothing(const ItemStack &playerItem);
1310         void handlePointingAtNode(const PointedThing &pointed,
1311                 const ItemDefinition &playeritem_def, const ItemStack &playeritem,
1312                 const ToolCapabilities &playeritem_toolcap, f32 dtime);
1313         void handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
1314                         const v3f &player_position, bool show_debug);
1315         void handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
1316                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1317         void updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
1318                         const CameraOrientation &cam);
1319         void updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam);
1320         void updateProfilerGraphs(ProfilerGraph *graph);
1321
1322         // Misc
1323         void limitFps(FpsControl *fps_timings, f32 *dtime);
1324
1325         void showOverlayMessage(const char *msg, float dtime, int percent,
1326                         bool draw_clouds = true);
1327         void showStatusTextSimple(const char *msg);
1328
1329         static void settingChangedCallback(const std::string &setting_name, void *data);
1330         void readSettings();
1331
1332         inline bool getLeftClicked()
1333         {
1334                 return input->getLeftClicked() ||
1335                         input->joystick.getWasKeyDown(KeyType::MOUSE_L);
1336         }
1337         inline bool getRightClicked()
1338         {
1339                 return input->getRightClicked() ||
1340                         input->joystick.getWasKeyDown(KeyType::MOUSE_R);
1341         }
1342         inline bool isLeftPressed()
1343         {
1344                 return input->getLeftState() ||
1345                         input->joystick.isKeyDown(KeyType::MOUSE_L);
1346         }
1347         inline bool isRightPressed()
1348         {
1349                 return input->getRightState() ||
1350                         input->joystick.isKeyDown(KeyType::MOUSE_R);
1351         }
1352         inline bool getLeftReleased()
1353         {
1354                 return input->getLeftReleased() ||
1355                         input->joystick.wasKeyReleased(KeyType::MOUSE_L);
1356         }
1357
1358         inline bool isKeyDown(GameKeyType k)
1359         {
1360                 return input->isKeyDown(keycache.key[k]) || input->joystick.isKeyDown(k);
1361         }
1362         inline bool wasKeyDown(GameKeyType k)
1363         {
1364                 return input->wasKeyDown(keycache.key[k]) || input->joystick.wasKeyDown(k);
1365         }
1366
1367 #ifdef __ANDROID__
1368         void handleAndroidChatInput();
1369 #endif
1370
1371 private:
1372         void showPauseMenu();
1373
1374         // ClientEvent handlers
1375         void handleClientEvent_None(ClientEvent *event, CameraOrientation *cam);
1376         void handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam);
1377         void handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam);
1378         void handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam);
1379         void handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam);
1380         void handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam);
1381         void handleClientEvent_HandleParticleEvent(ClientEvent *event,
1382                 CameraOrientation *cam);
1383         void handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam);
1384         void handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam);
1385         void handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam);
1386         void handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam);
1387         void handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
1388                 CameraOrientation *cam);
1389         void handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam);
1390
1391         static const ClientEventHandler clientEventHandler[CLIENTEVENT_MAX];
1392
1393         InputHandler *input;
1394
1395         Client *client;
1396         Server *server;
1397
1398         IWritableTextureSource *texture_src;
1399         IWritableShaderSource *shader_src;
1400
1401         // When created, these will be filled with data received from the server
1402         IWritableItemDefManager *itemdef_manager;
1403         IWritableNodeDefManager *nodedef_manager;
1404
1405         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1406         ISoundManager *sound;
1407         bool sound_is_dummy = false;
1408         SoundMaker *soundmaker;
1409
1410         ChatBackend *chat_backend;
1411
1412         GUIFormSpecMenu *current_formspec;
1413         //default: "". If other than "", empty show_formspec packets will only close the formspec when the formname matches
1414         std::string cur_formname;
1415
1416         EventManager *eventmgr;
1417         QuicktuneShortcutter *quicktune;
1418
1419         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1420         MapDrawControl *draw_control;
1421         Camera *camera;
1422         Clouds *clouds;                   // Free using ->Drop()
1423         Sky *sky;                         // Free using ->Drop()
1424         Inventory *local_inventory;
1425         Hud *hud;
1426         Minimap *mapper;
1427
1428         GameRunData runData;
1429         GameUIFlags flags;
1430
1431         /* 'cache'
1432            This class does take ownership/responsibily for cleaning up etc of any of
1433            these items (e.g. device)
1434         */
1435         IrrlichtDevice *device;
1436         video::IVideoDriver *driver;
1437         scene::ISceneManager *smgr;
1438         bool *kill;
1439         std::string *error_message;
1440         bool *reconnect_requested;
1441         scene::ISceneNode *skybox;
1442
1443         bool random_input;
1444         bool simple_singleplayer_mode;
1445         /* End 'cache' */
1446
1447         /* Pre-calculated values
1448          */
1449         int crack_animation_length;
1450
1451         /* GUI stuff
1452          */
1453         gui::IGUIStaticText *guitext;          // First line of debug text
1454         gui::IGUIStaticText *guitext2;         // Second line of debug text
1455         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1456         gui::IGUIStaticText *guitext_status;
1457         gui::IGUIStaticText *guitext_chat;         // Chat text
1458         gui::IGUIStaticText *guitext_profiler; // Profiler text
1459
1460         std::wstring infotext;
1461         std::wstring m_statustext;
1462
1463         KeyCache keycache;
1464
1465         IntervalLimiter profiler_interval;
1466
1467         /*
1468          * TODO: Local caching of settings is not optimal and should at some stage
1469          *       be updated to use a global settings object for getting thse values
1470          *       (as opposed to the this local caching). This can be addressed in
1471          *       a later release.
1472          */
1473         bool m_cache_doubletap_jump;
1474         bool m_cache_enable_clouds;
1475         bool m_cache_enable_joysticks;
1476         bool m_cache_enable_particles;
1477         bool m_cache_enable_fog;
1478         bool m_cache_enable_noclip;
1479         bool m_cache_enable_free_move;
1480         f32  m_cache_mouse_sensitivity;
1481         f32  m_cache_joystick_frustum_sensitivity;
1482         f32  m_repeat_right_click_time;
1483         f32  m_cache_cam_smoothing;
1484         f32  m_cache_fog_start;
1485
1486         bool m_invert_mouse = false;
1487         bool m_first_loop_after_window_activation = false;
1488         bool m_camera_offset_changed = false;
1489
1490 #ifdef __ANDROID__
1491         bool m_cache_hold_aux1;
1492         bool m_android_chat_open;
1493 #endif
1494 };
1495
1496 Game::Game() :
1497         client(NULL),
1498         server(NULL),
1499         texture_src(NULL),
1500         shader_src(NULL),
1501         itemdef_manager(NULL),
1502         nodedef_manager(NULL),
1503         sound(NULL),
1504         soundmaker(NULL),
1505         chat_backend(NULL),
1506         current_formspec(NULL),
1507         cur_formname(""),
1508         eventmgr(NULL),
1509         quicktune(NULL),
1510         gui_chat_console(NULL),
1511         draw_control(NULL),
1512         camera(NULL),
1513         clouds(NULL),
1514         sky(NULL),
1515         local_inventory(NULL),
1516         hud(NULL),
1517         mapper(NULL)
1518 {
1519         g_settings->registerChangedCallback("doubletap_jump",
1520                 &settingChangedCallback, this);
1521         g_settings->registerChangedCallback("enable_clouds",
1522                 &settingChangedCallback, this);
1523         g_settings->registerChangedCallback("doubletap_joysticks",
1524                 &settingChangedCallback, this);
1525         g_settings->registerChangedCallback("enable_particles",
1526                 &settingChangedCallback, this);
1527         g_settings->registerChangedCallback("enable_fog",
1528                 &settingChangedCallback, this);
1529         g_settings->registerChangedCallback("mouse_sensitivity",
1530                 &settingChangedCallback, this);
1531         g_settings->registerChangedCallback("joystick_frustum_sensitivity",
1532                 &settingChangedCallback, this);
1533         g_settings->registerChangedCallback("repeat_rightclick_time",
1534                 &settingChangedCallback, this);
1535         g_settings->registerChangedCallback("noclip",
1536                 &settingChangedCallback, this);
1537         g_settings->registerChangedCallback("free_move",
1538                 &settingChangedCallback, this);
1539         g_settings->registerChangedCallback("cinematic",
1540                 &settingChangedCallback, this);
1541         g_settings->registerChangedCallback("cinematic_camera_smoothing",
1542                 &settingChangedCallback, this);
1543         g_settings->registerChangedCallback("camera_smoothing",
1544                 &settingChangedCallback, this);
1545
1546         readSettings();
1547
1548 #ifdef __ANDROID__
1549         m_cache_hold_aux1 = false;      // This is initialised properly later
1550 #endif
1551
1552 }
1553
1554
1555
1556 /****************************************************************************
1557  MinetestApp Public
1558  ****************************************************************************/
1559
1560 Game::~Game()
1561 {
1562         delete client;
1563         delete soundmaker;
1564         if (!sound_is_dummy)
1565                 delete sound;
1566
1567         delete server; // deleted first to stop all server threads
1568
1569         delete hud;
1570         delete local_inventory;
1571         delete camera;
1572         delete quicktune;
1573         delete eventmgr;
1574         delete texture_src;
1575         delete shader_src;
1576         delete nodedef_manager;
1577         delete itemdef_manager;
1578         delete draw_control;
1579
1580         extendedResourceCleanup();
1581
1582         g_settings->deregisterChangedCallback("doubletap_jump",
1583                 &settingChangedCallback, this);
1584         g_settings->deregisterChangedCallback("enable_clouds",
1585                 &settingChangedCallback, this);
1586         g_settings->deregisterChangedCallback("enable_particles",
1587                 &settingChangedCallback, this);
1588         g_settings->deregisterChangedCallback("enable_fog",
1589                 &settingChangedCallback, this);
1590         g_settings->deregisterChangedCallback("mouse_sensitivity",
1591                 &settingChangedCallback, this);
1592         g_settings->deregisterChangedCallback("repeat_rightclick_time",
1593                 &settingChangedCallback, this);
1594         g_settings->deregisterChangedCallback("noclip",
1595                 &settingChangedCallback, this);
1596         g_settings->deregisterChangedCallback("free_move",
1597                 &settingChangedCallback, this);
1598         g_settings->deregisterChangedCallback("cinematic",
1599                 &settingChangedCallback, this);
1600         g_settings->deregisterChangedCallback("cinematic_camera_smoothing",
1601                 &settingChangedCallback, this);
1602         g_settings->deregisterChangedCallback("camera_smoothing",
1603                 &settingChangedCallback, this);
1604 }
1605
1606 bool Game::startup(bool *kill,
1607                 bool random_input,
1608                 InputHandler *input,
1609                 const std::string &map_dir,
1610                 const std::string &playername,
1611                 const std::string &password,
1612                 std::string *address,     // can change if simple_singleplayer_mode
1613                 u16 port,
1614                 std::string &error_message,
1615                 bool *reconnect,
1616                 ChatBackend *chat_backend,
1617                 const SubgameSpec &gamespec,
1618                 bool simple_singleplayer_mode)
1619 {
1620         // "cache"
1621         this->device              = RenderingEngine::get_raw_device();
1622         this->kill                = kill;
1623         this->error_message       = &error_message;
1624         this->reconnect_requested = reconnect;
1625         this->random_input        = random_input;
1626         this->input               = input;
1627         this->chat_backend        = chat_backend;
1628         this->simple_singleplayer_mode = simple_singleplayer_mode;
1629
1630         keycache.handler = input;
1631         keycache.populate();
1632
1633         driver = device->getVideoDriver();
1634         smgr = RenderingEngine::get_scene_manager();
1635
1636         RenderingEngine::get_scene_manager()->getParameters()->
1637                 setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1638
1639         memset(&runData, 0, sizeof(runData));
1640         runData.time_from_last_punch = 10.0;
1641         runData.profiler_max_page = 3;
1642         runData.update_wielded_item_trigger = true;
1643
1644         memset(&flags, 0, sizeof(flags));
1645         flags.show_chat = true;
1646         flags.show_hud = true;
1647         flags.show_debug = g_settings->getBool("show_debug");
1648         m_invert_mouse = g_settings->getBool("invert_mouse");
1649         m_first_loop_after_window_activation = true;
1650
1651         g_translations->clear();
1652
1653         if (!init(map_dir, address, port, gamespec))
1654                 return false;
1655
1656         if (!createClient(playername, password, address, port))
1657                 return false;
1658
1659         RenderingEngine::initialize(client, hud);
1660
1661         return true;
1662 }
1663
1664
1665 void Game::run()
1666 {
1667         ProfilerGraph graph;
1668         RunStats stats              = { 0 };
1669         CameraOrientation cam_view_target  = { 0 };
1670         CameraOrientation cam_view  = { 0 };
1671         FpsControl draw_times       = { 0 };
1672         f32 dtime; // in seconds
1673
1674         /* Clear the profiler */
1675         Profiler::GraphValues dummyvalues;
1676         g_profiler->graphGet(dummyvalues);
1677
1678         draw_times.last_time = RenderingEngine::get_timer_time();
1679
1680         set_light_table(g_settings->getFloat("display_gamma"));
1681
1682 #ifdef __ANDROID__
1683         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1684                         && client->checkPrivilege("fast");
1685 #endif
1686
1687         irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screen_w"),
1688                 g_settings->getU16("screen_h"));
1689
1690         while (RenderingEngine::run()
1691                         && !(*kill || g_gamecallback->shutdown_requested
1692                         || (server && server->getShutdownRequested()))) {
1693
1694                 const irr::core::dimension2d<u32> &current_screen_size =
1695                         RenderingEngine::get_video_driver()->getScreenSize();
1696                 // Verify if window size has changed and save it if it's the case
1697                 // Ensure evaluating settings->getBool after verifying screensize
1698                 // First condition is cheaper
1699                 if (previous_screen_size != current_screen_size &&
1700                                 current_screen_size != irr::core::dimension2d<u32>(0,0) &&
1701                                 g_settings->getBool("autosave_screensize")) {
1702                         g_settings->setU16("screen_w", current_screen_size.Width);
1703                         g_settings->setU16("screen_h", current_screen_size.Height);
1704                         previous_screen_size = current_screen_size;
1705                 }
1706
1707                 /* Must be called immediately after a device->run() call because it
1708                  * uses device->getTimer()->getTime()
1709                  */
1710                 limitFps(&draw_times, &dtime);
1711
1712                 updateStats(&stats, draw_times, dtime);
1713                 updateInteractTimers(dtime);
1714
1715                 if (!checkConnection())
1716                         break;
1717                 if (!handleCallbacks())
1718                         break;
1719
1720                 processQueues();
1721
1722                 infotext = L"";
1723                 hud->resizeHotbar();
1724
1725                 updateProfilers(stats, draw_times, dtime);
1726                 processUserInput(dtime);
1727                 // Update camera before player movement to avoid camera lag of one frame
1728                 updateCameraDirection(&cam_view_target, dtime);
1729                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1730                                 cam_view.camera_yaw) * m_cache_cam_smoothing;
1731                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1732                                 cam_view.camera_pitch) * m_cache_cam_smoothing;
1733                 updatePlayerControl(cam_view);
1734                 step(&dtime);
1735                 processClientEvents(&cam_view_target);
1736                 updateCamera(draw_times.busy_time, dtime);
1737                 updateSound(dtime);
1738                 processPlayerInteraction(dtime, flags.show_hud, flags.show_debug);
1739                 updateFrame(&graph, &stats, dtime, cam_view);
1740                 updateProfilerGraphs(&graph);
1741
1742                 // Update if minimap has been disabled by the server
1743                 flags.show_minimap &= client->shouldShowMinimap();
1744         }
1745 }
1746
1747
1748 void Game::shutdown()
1749 {
1750         RenderingEngine::finalize();
1751 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR <= 8
1752         if (g_settings->get("3d_mode") == "pageflip") {
1753                 driver->setRenderTarget(irr::video::ERT_STEREO_BOTH_BUFFERS);
1754         }
1755 #endif
1756         if (current_formspec)
1757                 current_formspec->quitMenu();
1758
1759         showOverlayMessage("Shutting down...", 0, 0, false);
1760
1761         if (clouds)
1762                 clouds->drop();
1763
1764         if (gui_chat_console)
1765                 gui_chat_console->drop();
1766
1767         if (sky)
1768                 sky->drop();
1769
1770         /* cleanup menus */
1771         while (g_menumgr.menuCount() > 0) {
1772                 g_menumgr.m_stack.front()->setVisible(false);
1773                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1774         }
1775
1776         if (current_formspec) {
1777                 current_formspec->drop();
1778                 current_formspec = NULL;
1779         }
1780
1781         chat_backend->addMessage(L"", L"# Disconnected.");
1782         chat_backend->addMessage(L"", L"");
1783
1784         if (client) {
1785                 client->Stop();
1786                 while (!client->isShutdown()) {
1787                         assert(texture_src != NULL);
1788                         assert(shader_src != NULL);
1789                         texture_src->processQueue();
1790                         shader_src->processQueue();
1791                         sleep_ms(100);
1792                 }
1793         }
1794 }
1795
1796
1797 /****************************************************************************/
1798 /****************************************************************************
1799  Startup
1800  ****************************************************************************/
1801 /****************************************************************************/
1802
1803 bool Game::init(
1804                 const std::string &map_dir,
1805                 std::string *address,
1806                 u16 port,
1807                 const SubgameSpec &gamespec)
1808 {
1809         texture_src = createTextureSource();
1810
1811         showOverlayMessage("Loading...", 0, 0);
1812
1813         shader_src = createShaderSource();
1814
1815         itemdef_manager = createItemDefManager();
1816         nodedef_manager = createNodeDefManager();
1817
1818         eventmgr = new EventManager();
1819         quicktune = new QuicktuneShortcutter();
1820
1821         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1822                         && eventmgr && quicktune))
1823                 return false;
1824
1825         if (!initSound())
1826                 return false;
1827
1828         // Create a server if not connecting to an existing one
1829         if (address->empty()) {
1830                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1831                         return false;
1832         }
1833
1834         return true;
1835 }
1836
1837 bool Game::initSound()
1838 {
1839 #if USE_SOUND
1840         if (g_settings->getBool("enable_sound")) {
1841                 infostream << "Attempting to use OpenAL audio" << std::endl;
1842                 sound = createOpenALSoundManager(&soundfetcher);
1843                 if (!sound)
1844                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1845         } else
1846                 infostream << "Sound disabled." << std::endl;
1847 #endif
1848
1849         if (!sound) {
1850                 infostream << "Using dummy audio." << std::endl;
1851                 sound = &dummySoundManager;
1852                 sound_is_dummy = true;
1853         }
1854
1855         soundmaker = new SoundMaker(sound, nodedef_manager);
1856         if (!soundmaker)
1857                 return false;
1858
1859         soundmaker->registerReceiver(eventmgr);
1860
1861         return true;
1862 }
1863
1864 bool Game::createSingleplayerServer(const std::string &map_dir,
1865                 const SubgameSpec &gamespec, u16 port, std::string *address)
1866 {
1867         showOverlayMessage("Creating server...", 0, 5);
1868
1869         std::string bind_str = g_settings->get("bind_address");
1870         Address bind_addr(0, 0, 0, 0, port);
1871
1872         if (g_settings->getBool("ipv6_server")) {
1873                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1874         }
1875
1876         try {
1877                 bind_addr.Resolve(bind_str.c_str());
1878         } catch (ResolveError &e) {
1879                 infostream << "Resolving bind address \"" << bind_str
1880                            << "\" failed: " << e.what()
1881                            << " -- Listening on all addresses." << std::endl;
1882         }
1883
1884         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1885                 *error_message = "Unable to listen on " +
1886                                 bind_addr.serializeString() +
1887                                 " because IPv6 is disabled";
1888                 errorstream << *error_message << std::endl;
1889                 return false;
1890         }
1891
1892         server = new Server(map_dir, gamespec, simple_singleplayer_mode, bind_addr, false);
1893         server->start();
1894
1895         return true;
1896 }
1897
1898 bool Game::createClient(const std::string &playername,
1899                 const std::string &password, std::string *address, u16 port)
1900 {
1901         showOverlayMessage("Creating client...", 0, 10);
1902
1903         draw_control = new MapDrawControl;
1904         if (!draw_control)
1905                 return false;
1906
1907         bool could_connect, connect_aborted;
1908
1909         if (!connectToServer(playername, password, address, port,
1910                         &could_connect, &connect_aborted))
1911                 return false;
1912
1913         if (!could_connect) {
1914                 if (error_message->empty() && !connect_aborted) {
1915                         // Should not happen if error messages are set properly
1916                         *error_message = "Connection failed for unknown reason";
1917                         errorstream << *error_message << std::endl;
1918                 }
1919                 return false;
1920         }
1921
1922         if (!getServerContent(&connect_aborted)) {
1923                 if (error_message->empty() && !connect_aborted) {
1924                         // Should not happen if error messages are set properly
1925                         *error_message = "Connection failed for unknown reason";
1926                         errorstream << *error_message << std::endl;
1927                 }
1928                 return false;
1929         }
1930
1931         GameGlobalShaderConstantSetterFactory *scsf = new GameGlobalShaderConstantSetterFactory(
1932                         &flags.force_fog_off, &runData.fog_range, client);
1933         shader_src->addShaderConstantSetterFactory(scsf);
1934
1935         // Update cached textures, meshes and materials
1936         client->afterContentReceived();
1937
1938         /* Camera
1939          */
1940         camera = new Camera(*draw_control, client);
1941         if (!camera || !camera->successfullyCreated(*error_message))
1942                 return false;
1943         client->setCamera(camera);
1944
1945         /* Clouds
1946          */
1947         if (m_cache_enable_clouds) {
1948                 clouds = new Clouds(smgr, -1, time(0));
1949                 if (!clouds) {
1950                         *error_message = "Memory allocation error (clouds)";
1951                         errorstream << *error_message << std::endl;
1952                         return false;
1953                 }
1954         }
1955
1956         /* Skybox
1957          */
1958         sky = new Sky(-1, texture_src);
1959         scsf->setSky(sky);
1960         skybox = NULL;  // This is used/set later on in the main run loop
1961
1962         local_inventory = new Inventory(itemdef_manager);
1963
1964         if (!(sky && local_inventory)) {
1965                 *error_message = "Memory allocation error (sky or local inventory)";
1966                 errorstream << *error_message << std::endl;
1967                 return false;
1968         }
1969
1970         /* Pre-calculated values
1971          */
1972         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
1973         if (t) {
1974                 v2u32 size = t->getOriginalSize();
1975                 crack_animation_length = size.Y / size.X;
1976         } else {
1977                 crack_animation_length = 5;
1978         }
1979
1980         if (!initGui())
1981                 return false;
1982
1983         /* Set window caption
1984          */
1985         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
1986         str += L" ";
1987         str += utf8_to_wide(g_version_hash);
1988         str += L" [";
1989         str += driver->getName();
1990         str += L"]";
1991         device->setWindowCaption(str.c_str());
1992
1993         LocalPlayer *player = client->getEnv().getLocalPlayer();
1994         player->hurt_tilt_timer = 0;
1995         player->hurt_tilt_strength = 0;
1996
1997         hud = new Hud(guienv, client, player, local_inventory);
1998
1999         if (!hud) {
2000                 *error_message = "Memory error: could not create HUD";
2001                 errorstream << *error_message << std::endl;
2002                 return false;
2003         }
2004
2005         mapper = client->getMinimap();
2006         if (mapper)
2007                 mapper->setMinimapMode(MINIMAP_MODE_OFF);
2008
2009         return true;
2010 }
2011
2012 bool Game::initGui()
2013 {
2014         // First line of debug text
2015         guitext = addStaticText(guienv,
2016                         utf8_to_wide(PROJECT_NAME_C).c_str(),
2017                         core::rect<s32>(0, 0, 0, 0),
2018                         false, false, guiroot);
2019
2020         // Second line of debug text
2021         guitext2 = addStaticText(guienv,
2022                         L"",
2023                         core::rect<s32>(0, 0, 0, 0),
2024                         false, false, guiroot);
2025
2026         // At the middle of the screen
2027         // Object infos are shown in this
2028         guitext_info = addStaticText(guienv,
2029                         L"",
2030                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2031                         false, true, guiroot);
2032
2033         // Status text (displays info when showing and hiding GUI stuff, etc.)
2034         guitext_status = addStaticText(guienv,
2035                         L"<Status>",
2036                         core::rect<s32>(0, 0, 0, 0),
2037                         false, false, guiroot);
2038         guitext_status->setVisible(false);
2039
2040         // Chat text
2041         guitext_chat = addStaticText(
2042                         guienv,
2043                         L"",
2044                         core::rect<s32>(0, 0, 0, 0),
2045                         //false, false); // Disable word wrap as of now
2046                         false, true, guiroot);
2047
2048         // Remove stale "recent" chat messages from previous connections
2049         chat_backend->clearRecentChat();
2050
2051         // Make sure the size of the recent messages buffer is right
2052         chat_backend->applySettings();
2053
2054         // Chat backend and console
2055         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2056                         -1, chat_backend, client, &g_menumgr);
2057         if (!gui_chat_console) {
2058                 *error_message = "Could not allocate memory for chat console";
2059                 errorstream << *error_message << std::endl;
2060                 return false;
2061         }
2062
2063         // Profiler text (size is updated when text is updated)
2064         guitext_profiler = addStaticText(guienv,
2065                         L"<Profiler>",
2066                         core::rect<s32>(0, 0, 0, 0),
2067                         false, false, guiroot);
2068         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2069         guitext_profiler->setVisible(false);
2070         guitext_profiler->setWordWrap(true);
2071
2072 #ifdef HAVE_TOUCHSCREENGUI
2073
2074         if (g_touchscreengui)
2075                 g_touchscreengui->init(texture_src);
2076
2077 #endif
2078
2079         return true;
2080 }
2081
2082 bool Game::connectToServer(const std::string &playername,
2083                 const std::string &password, std::string *address, u16 port,
2084                 bool *connect_ok, bool *aborted)
2085 {
2086         *connect_ok = false;    // Let's not be overly optimistic
2087         *aborted = false;
2088         bool local_server_mode = false;
2089
2090         showOverlayMessage("Resolving address...", 0, 15);
2091
2092         Address connect_address(0, 0, 0, 0, port);
2093
2094         try {
2095                 connect_address.Resolve(address->c_str());
2096
2097                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2098                         //connect_address.Resolve("localhost");
2099                         if (connect_address.isIPv6()) {
2100                                 IPv6AddressBytes addr_bytes;
2101                                 addr_bytes.bytes[15] = 1;
2102                                 connect_address.setAddress(&addr_bytes);
2103                         } else {
2104                                 connect_address.setAddress(127, 0, 0, 1);
2105                         }
2106                         local_server_mode = true;
2107                 }
2108         } catch (ResolveError &e) {
2109                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2110                 errorstream << *error_message << std::endl;
2111                 return false;
2112         }
2113
2114         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2115                 *error_message = "Unable to connect to " +
2116                                 connect_address.serializeString() +
2117                                 " because IPv6 is disabled";
2118                 errorstream << *error_message << std::endl;
2119                 return false;
2120         }
2121
2122         client = new Client(playername.c_str(), password, *address,
2123                         *draw_control, texture_src, shader_src,
2124                         itemdef_manager, nodedef_manager, sound, eventmgr,
2125                         connect_address.isIPv6(), &flags);
2126
2127         if (!client)
2128                 return false;
2129
2130         infostream << "Connecting to server at ";
2131         connect_address.print(&infostream);
2132         infostream << std::endl;
2133
2134         client->connect(connect_address,
2135                 simple_singleplayer_mode || local_server_mode);
2136
2137         /*
2138                 Wait for server to accept connection
2139         */
2140
2141         try {
2142                 input->clear();
2143
2144                 FpsControl fps_control = { 0 };
2145                 f32 dtime;
2146                 f32 wait_time = 0; // in seconds
2147
2148                 fps_control.last_time = RenderingEngine::get_timer_time();
2149
2150                 client->loadBuiltin();
2151
2152                 while (RenderingEngine::run()) {
2153
2154                         limitFps(&fps_control, &dtime);
2155
2156                         // Update client and server
2157                         client->step(dtime);
2158
2159                         if (server != NULL)
2160                                 server->step(dtime);
2161
2162                         // End condition
2163                         if (client->getState() == LC_Init) {
2164                                 *connect_ok = true;
2165                                 break;
2166                         }
2167
2168                         // Break conditions
2169                         if (client->accessDenied()) {
2170                                 *error_message = "Access denied. Reason: "
2171                                                 + client->accessDeniedReason();
2172                                 *reconnect_requested = client->reconnectRequested();
2173                                 errorstream << *error_message << std::endl;
2174                                 break;
2175                         }
2176
2177                         if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2178                                 *aborted = true;
2179                                 infostream << "Connect aborted [Escape]" << std::endl;
2180                                 break;
2181                         }
2182
2183                         wait_time += dtime;
2184                         // Only time out if we aren't waiting for the server we started
2185                         if (!address->empty() && wait_time > 10) {
2186                                 *error_message = "Connection timed out.";
2187                                 errorstream << *error_message << std::endl;
2188                                 break;
2189                         }
2190
2191                         // Update status
2192                         showOverlayMessage("Connecting to server...", dtime, 20);
2193                 }
2194         } catch (con::PeerNotFoundException &e) {
2195                 // TODO: Should something be done here? At least an info/error
2196                 // message?
2197                 return false;
2198         }
2199
2200         return true;
2201 }
2202
2203 bool Game::getServerContent(bool *aborted)
2204 {
2205         input->clear();
2206
2207         FpsControl fps_control = { 0 };
2208         f32 dtime; // in seconds
2209
2210         fps_control.last_time = RenderingEngine::get_timer_time();
2211
2212         while (RenderingEngine::run()) {
2213
2214                 limitFps(&fps_control, &dtime);
2215
2216                 // Update client and server
2217                 client->step(dtime);
2218
2219                 if (server != NULL)
2220                         server->step(dtime);
2221
2222                 // End condition
2223                 if (client->mediaReceived() && client->itemdefReceived() &&
2224                                 client->nodedefReceived()) {
2225                         break;
2226                 }
2227
2228                 // Error conditions
2229                 if (!checkConnection())
2230                         return false;
2231
2232                 if (client->getState() < LC_Init) {
2233                         *error_message = "Client disconnected";
2234                         errorstream << *error_message << std::endl;
2235                         return false;
2236                 }
2237
2238                 if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2239                         *aborted = true;
2240                         infostream << "Connect aborted [Escape]" << std::endl;
2241                         return false;
2242                 }
2243
2244                 // Display status
2245                 int progress = 25;
2246
2247                 if (!client->itemdefReceived()) {
2248                         const wchar_t *text = wgettext("Item definitions...");
2249                         progress = 25;
2250                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2251                                 dtime, progress);
2252                         delete[] text;
2253                 } else if (!client->nodedefReceived()) {
2254                         const wchar_t *text = wgettext("Node definitions...");
2255                         progress = 30;
2256                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2257                                 dtime, progress);
2258                         delete[] text;
2259                 } else {
2260                         std::stringstream message;
2261                         std::fixed(message);
2262                         message.precision(0);
2263                         message << gettext("Media...") << " " << (client->mediaReceiveProgress()*100) << "%";
2264                         message.precision(2);
2265
2266                         if ((USE_CURL == 0) ||
2267                                         (!g_settings->getBool("enable_remote_media_server"))) {
2268                                 float cur = client->getCurRate();
2269                                 std::string cur_unit = gettext("KiB/s");
2270
2271                                 if (cur > 900) {
2272                                         cur /= 1024.0;
2273                                         cur_unit = gettext("MiB/s");
2274                                 }
2275
2276                                 message << " (" << cur << ' ' << cur_unit << ")";
2277                         }
2278
2279                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2280                         RenderingEngine::draw_load_screen(utf8_to_wide(message.str()), guienv,
2281                                 texture_src, dtime, progress);
2282                 }
2283         }
2284
2285         return true;
2286 }
2287
2288
2289 /****************************************************************************/
2290 /****************************************************************************
2291  Run
2292  ****************************************************************************/
2293 /****************************************************************************/
2294
2295 inline void Game::updateInteractTimers(f32 dtime)
2296 {
2297         if (runData.nodig_delay_timer >= 0)
2298                 runData.nodig_delay_timer -= dtime;
2299
2300         if (runData.object_hit_delay_timer >= 0)
2301                 runData.object_hit_delay_timer -= dtime;
2302
2303         runData.time_from_last_punch += dtime;
2304 }
2305
2306
2307 /* returns false if game should exit, otherwise true
2308  */
2309 inline bool Game::checkConnection()
2310 {
2311         if (client->accessDenied()) {
2312                 *error_message = "Access denied. Reason: "
2313                                 + client->accessDeniedReason();
2314                 *reconnect_requested = client->reconnectRequested();
2315                 errorstream << *error_message << std::endl;
2316                 return false;
2317         }
2318
2319         return true;
2320 }
2321
2322
2323 /* returns false if game should exit, otherwise true
2324  */
2325 inline bool Game::handleCallbacks()
2326 {
2327         if (g_gamecallback->disconnect_requested) {
2328                 g_gamecallback->disconnect_requested = false;
2329                 return false;
2330         }
2331
2332         if (g_gamecallback->changepassword_requested) {
2333                 (new GUIPasswordChange(guienv, guiroot, -1,
2334                                        &g_menumgr, client))->drop();
2335                 g_gamecallback->changepassword_requested = false;
2336         }
2337
2338         if (g_gamecallback->changevolume_requested) {
2339                 (new GUIVolumeChange(guienv, guiroot, -1,
2340                                      &g_menumgr))->drop();
2341                 g_gamecallback->changevolume_requested = false;
2342         }
2343
2344         if (g_gamecallback->keyconfig_requested) {
2345                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2346                                       &g_menumgr))->drop();
2347                 g_gamecallback->keyconfig_requested = false;
2348         }
2349
2350         if (g_gamecallback->keyconfig_changed) {
2351                 keycache.populate(); // update the cache with new settings
2352                 g_gamecallback->keyconfig_changed = false;
2353         }
2354
2355         return true;
2356 }
2357
2358
2359 void Game::processQueues()
2360 {
2361         texture_src->processQueue();
2362         itemdef_manager->processQueue(client);
2363         shader_src->processQueue();
2364 }
2365
2366
2367 void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime)
2368 {
2369         float profiler_print_interval =
2370                         g_settings->getFloat("profiler_print_interval");
2371         bool print_to_log = true;
2372
2373         if (profiler_print_interval == 0) {
2374                 print_to_log = false;
2375                 profiler_print_interval = 5;
2376         }
2377
2378         if (profiler_interval.step(dtime, profiler_print_interval)) {
2379                 if (print_to_log) {
2380                         infostream << "Profiler:" << std::endl;
2381                         g_profiler->print(infostream);
2382                 }
2383
2384                 update_profiler_gui(guitext_profiler, g_fontengine,
2385                                 runData.profiler_current_page, runData.profiler_max_page,
2386                                 driver->getScreenSize().Height);
2387
2388                 g_profiler->clear();
2389         }
2390
2391         addProfilerGraphs(stats, draw_times, dtime);
2392 }
2393
2394
2395 void Game::addProfilerGraphs(const RunStats &stats,
2396                 const FpsControl &draw_times, f32 dtime)
2397 {
2398         g_profiler->graphAdd("mainloop_other",
2399                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2400
2401         if (draw_times.sleep_time != 0)
2402                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2403         g_profiler->graphAdd("mainloop_dtime", dtime);
2404
2405         g_profiler->add("Elapsed time", dtime);
2406         g_profiler->avg("FPS", 1. / dtime);
2407 }
2408
2409
2410 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2411                 f32 dtime)
2412 {
2413
2414         f32 jitter;
2415         Jitter *jp;
2416
2417         /* Time average and jitter calculation
2418          */
2419         jp = &stats->dtime_jitter;
2420         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2421
2422         jitter = dtime - jp->avg;
2423
2424         if (jitter > jp->max)
2425                 jp->max = jitter;
2426
2427         jp->counter += dtime;
2428
2429         if (jp->counter > 0.0) {
2430                 jp->counter -= 3.0;
2431                 jp->max_sample = jp->max;
2432                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2433                 jp->max = 0.0;
2434         }
2435
2436         /* Busytime average and jitter calculation
2437          */
2438         jp = &stats->busy_time_jitter;
2439         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2440
2441         jitter = draw_times.busy_time - jp->avg;
2442
2443         if (jitter > jp->max)
2444                 jp->max = jitter;
2445         if (jitter < jp->min)
2446                 jp->min = jitter;
2447
2448         jp->counter += dtime;
2449
2450         if (jp->counter > 0.0) {
2451                 jp->counter -= 3.0;
2452                 jp->max_sample = jp->max;
2453                 jp->min_sample = jp->min;
2454                 jp->max = 0.0;
2455                 jp->min = 0.0;
2456         }
2457 }
2458
2459
2460
2461 /****************************************************************************
2462  Input handling
2463  ****************************************************************************/
2464
2465 void Game::processUserInput(f32 dtime)
2466 {
2467         // Reset input if window not active or some menu is active
2468         if (!device->isWindowActive() || isMenuActive() || guienv->hasFocus(gui_chat_console)) {
2469                 input->clear();
2470 #ifdef HAVE_TOUCHSCREENGUI
2471                 g_touchscreengui->hide();
2472 #endif
2473         }
2474 #ifdef HAVE_TOUCHSCREENGUI
2475         else if (g_touchscreengui) {
2476                 /* on touchscreengui step may generate own input events which ain't
2477                  * what we want in case we just did clear them */
2478                 g_touchscreengui->step(dtime);
2479         }
2480 #endif
2481
2482         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2483                 gui_chat_console->closeConsoleAtOnce();
2484         }
2485
2486         // Input handler step() (used by the random input generator)
2487         input->step(dtime);
2488
2489 #ifdef __ANDROID__
2490         if (current_formspec != NULL)
2491                 current_formspec->getAndroidUIInput();
2492         else
2493                 handleAndroidChatInput();
2494 #endif
2495
2496         // Increase timer for double tap of "keymap_jump"
2497         if (m_cache_doubletap_jump && runData.jump_timer <= 0.2f)
2498                 runData.jump_timer += dtime;
2499
2500         processKeyInput();
2501         processItemSelection(&runData.new_playeritem);
2502 }
2503
2504
2505 void Game::processKeyInput()
2506 {
2507         if (wasKeyDown(KeyType::DROP)) {
2508                 dropSelectedItem(isKeyDown(KeyType::SNEAK));
2509         } else if (wasKeyDown(KeyType::AUTOFORWARD)) {
2510                 toggleAutoforward();
2511         } else if (wasKeyDown(KeyType::INVENTORY)) {
2512                 openInventory();
2513         } else if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2514                 if (!gui_chat_console->isOpenInhibited()) {
2515                         showPauseMenu();
2516                 }
2517         } else if (wasKeyDown(KeyType::CHAT)) {
2518                 openConsole(0.2, L"");
2519         } else if (wasKeyDown(KeyType::CMD)) {
2520                 openConsole(0.2, L"/");
2521         } else if (wasKeyDown(KeyType::CMD_LOCAL)) {
2522                 openConsole(0.2, L".");
2523         } else if (wasKeyDown(KeyType::CONSOLE)) {
2524                 openConsole(core::clamp(g_settings->getFloat("console_height"), 0.1f, 1.0f));
2525         } else if (wasKeyDown(KeyType::FREEMOVE)) {
2526                 toggleFreeMove();
2527         } else if (wasKeyDown(KeyType::JUMP)) {
2528                 toggleFreeMoveAlt();
2529         } else if (wasKeyDown(KeyType::FASTMOVE)) {
2530                 toggleFast();
2531         } else if (wasKeyDown(KeyType::NOCLIP)) {
2532                 toggleNoClip();
2533         } else if (wasKeyDown(KeyType::MUTE)) {
2534                 bool new_mute_sound = !g_settings->getBool("mute_sound");
2535                 g_settings->setBool("mute_sound", new_mute_sound);
2536                 if (new_mute_sound)
2537                         showStatusTextSimple("Sound muted");
2538                 else
2539                         showStatusTextSimple("Sound unmuted");
2540                 runData.statustext_time = 0;
2541         } else if (wasKeyDown(KeyType::INC_VOLUME)) {
2542                 float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
2543                 wchar_t buf[100];
2544                 g_settings->setFloat("sound_volume", new_volume);
2545                 const wchar_t *str = wgettext("Volume changed to %d%%");
2546                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
2547                 delete[] str;
2548                 m_statustext = buf;
2549                 runData.statustext_time = 0;
2550         } else if (wasKeyDown(KeyType::DEC_VOLUME)) {
2551                 float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
2552                 wchar_t buf[100];
2553                 g_settings->setFloat("sound_volume", new_volume);
2554                 const wchar_t *str = wgettext("Volume changed to %d%%");
2555                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, myround(new_volume * 100));
2556                 delete[] str;
2557                 m_statustext = buf;
2558                 runData.statustext_time = 0;
2559         } else if (wasKeyDown(KeyType::CINEMATIC)) {
2560                 toggleCinematic();
2561         } else if (wasKeyDown(KeyType::SCREENSHOT)) {
2562                 client->makeScreenshot();
2563         } else if (wasKeyDown(KeyType::TOGGLE_HUD)) {
2564                 toggleHud();
2565         } else if (wasKeyDown(KeyType::MINIMAP)) {
2566                 toggleMinimap(isKeyDown(KeyType::SNEAK));
2567         } else if (wasKeyDown(KeyType::TOGGLE_CHAT)) {
2568                 toggleChat();
2569         } else if (wasKeyDown(KeyType::TOGGLE_FORCE_FOG_OFF)) {
2570                 toggleFog();
2571         } else if (wasKeyDown(KeyType::TOGGLE_UPDATE_CAMERA)) {
2572                 toggleUpdateCamera();
2573         } else if (wasKeyDown(KeyType::TOGGLE_DEBUG)) {
2574                 toggleDebug();
2575         } else if (wasKeyDown(KeyType::TOGGLE_PROFILER)) {
2576                 toggleProfiler();
2577         } else if (wasKeyDown(KeyType::INCREASE_VIEWING_RANGE)) {
2578                 increaseViewRange();
2579         } else if (wasKeyDown(KeyType::DECREASE_VIEWING_RANGE)) {
2580                 decreaseViewRange();
2581         } else if (wasKeyDown(KeyType::RANGESELECT)) {
2582                 toggleFullViewRange();
2583         } else if (wasKeyDown(KeyType::ZOOM)) {
2584                 checkZoomEnabled();
2585         } else if (wasKeyDown(KeyType::QUICKTUNE_NEXT)) {
2586                 quicktune->next();
2587         } else if (wasKeyDown(KeyType::QUICKTUNE_PREV)) {
2588                 quicktune->prev();
2589         } else if (wasKeyDown(KeyType::QUICKTUNE_INC)) {
2590                 quicktune->inc();
2591         } else if (wasKeyDown(KeyType::QUICKTUNE_DEC)) {
2592                 quicktune->dec();
2593         }
2594
2595         if (!isKeyDown(KeyType::JUMP) && runData.reset_jump_timer) {
2596                 runData.reset_jump_timer = false;
2597                 runData.jump_timer = 0.0f;
2598         }
2599
2600         if (quicktune->hasMessage()) {
2601                 m_statustext = utf8_to_wide(quicktune->getMessage());
2602                 runData.statustext_time = 0.0f;
2603         }
2604 }
2605
2606 void Game::processItemSelection(u16 *new_playeritem)
2607 {
2608         LocalPlayer *player = client->getEnv().getLocalPlayer();
2609
2610         /* Item selection using mouse wheel
2611          */
2612         *new_playeritem = client->getPlayerItem();
2613
2614         s32 wheel = input->getMouseWheel();
2615         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2616                     player->hud_hotbar_itemcount - 1);
2617
2618         s32 dir = wheel;
2619
2620         if (input->joystick.wasKeyDown(KeyType::SCROLL_DOWN) ||
2621                         wasKeyDown(KeyType::HOTBAR_NEXT)) {
2622                 dir = -1;
2623         }
2624
2625         if (input->joystick.wasKeyDown(KeyType::SCROLL_UP) ||
2626                         wasKeyDown(KeyType::HOTBAR_PREV)) {
2627                 dir = 1;
2628         }
2629
2630         if (dir < 0)
2631                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2632         else if (dir > 0)
2633                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2634         // else dir == 0
2635
2636         /* Item selection using hotbar slot keys
2637          */
2638         for (u16 i = 0; i < 23; i++) {
2639                 if (wasKeyDown((GameKeyType) (KeyType::SLOT_1 + i))) {
2640                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2641                                 *new_playeritem = i;
2642                                 infostream << "Selected item: " << new_playeritem << std::endl;
2643                         }
2644                         break;
2645                 }
2646         }
2647 }
2648
2649
2650 void Game::dropSelectedItem(bool single_item)
2651 {
2652         IDropAction *a = new IDropAction();
2653         a->count = single_item ? 1 : 0;
2654         a->from_inv.setCurrentPlayer();
2655         a->from_list = "main";
2656         a->from_i = client->getPlayerItem();
2657         client->inventoryAction(a);
2658 }
2659
2660
2661 void Game::openInventory()
2662 {
2663         /*
2664          * Don't permit to open inventory is CAO or player doesn't exists.
2665          * This prevent showing an empty inventory at player load
2666          */
2667
2668         LocalPlayer *player = client->getEnv().getLocalPlayer();
2669         if (!player || !player->getCAO())
2670                 return;
2671
2672         infostream << "the_game: " << "Launching inventory" << std::endl;
2673
2674         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2675
2676         InventoryLocation inventoryloc;
2677         inventoryloc.setCurrentPlayer();
2678
2679         if (!client->moddingEnabled()
2680                         || !client->getScript()->on_inventory_open(fs_src->m_client->getInventory(inventoryloc))) {
2681                 TextDest *txt_dst = new TextDestPlayerInventory(client);
2682                 create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
2683                 cur_formname = "";
2684                 current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2685         }
2686 }
2687
2688
2689 void Game::openConsole(float scale, const wchar_t *line)
2690 {
2691         assert(scale > 0.0f && scale <= 1.0f);
2692
2693 #ifdef __ANDROID__
2694         porting::showInputDialog(gettext("ok"), "", "", 2);
2695         m_android_chat_open = true;
2696 #else
2697         if (gui_chat_console->isOpenInhibited())
2698                 return;
2699         gui_chat_console->openConsole(scale);
2700         if (line) {
2701                 gui_chat_console->setCloseOnEnter(true);
2702                 gui_chat_console->replaceAndAddToHistory(line);
2703         }
2704 #endif
2705 }
2706
2707 #ifdef __ANDROID__
2708 void Game::handleAndroidChatInput()
2709 {
2710         if (m_android_chat_open && porting::getInputDialogState() == 0) {
2711                 std::string text = porting::getInputDialogValue();
2712                 client->typeChatMessage(utf8_to_wide(text));
2713         }
2714 }
2715 #endif
2716
2717
2718 void Game::toggleFreeMove()
2719 {
2720         bool free_move = !g_settings->getBool("free_move");
2721         g_settings->set("free_move", bool_to_cstr(free_move));
2722
2723         runData.statustext_time = 0;
2724
2725         if (free_move) {
2726                 if (client->checkPrivilege("fly")) {
2727                         showStatusTextSimple("Fly mode enabled");
2728                 } else {
2729                         showStatusTextSimple("Fly mode enabled (note: no 'fly' privilege)");
2730                 }
2731         } else {
2732                 showStatusTextSimple("Fly mode disabled");
2733         }
2734 }
2735
2736
2737 void Game::toggleFreeMoveAlt()
2738 {
2739         if (m_cache_doubletap_jump && runData.jump_timer < 0.2f)
2740                 toggleFreeMove();
2741
2742         runData.reset_jump_timer = true;
2743 }
2744
2745
2746 void Game::toggleFast()
2747 {
2748         bool fast_move = !g_settings->getBool("fast_move");
2749         g_settings->set("fast_move", bool_to_cstr(fast_move));
2750
2751         runData.statustext_time = 0;
2752
2753         if (fast_move) {
2754                 if (client->checkPrivilege("fast")) {
2755                         showStatusTextSimple("Fast mode enabled");
2756                 } else {
2757                         showStatusTextSimple("Fast mode enabled (note: no 'fast' privilege)");
2758                 }
2759         } else {
2760                 showStatusTextSimple("Fast mode disabled");
2761         }
2762
2763 #ifdef __ANDROID__
2764         m_cache_hold_aux1 = fast_move && has_fast_privs;
2765 #endif
2766 }
2767
2768
2769 void Game::toggleNoClip()
2770 {
2771         bool noclip = !g_settings->getBool("noclip");
2772         g_settings->set("noclip", bool_to_cstr(noclip));
2773
2774         runData.statustext_time = 0;
2775         if (noclip) {
2776                 if (client->checkPrivilege("noclip")) {
2777                         showStatusTextSimple("Noclip mode enabled");
2778                 } else {
2779                         showStatusTextSimple("Noclip mode enabled (note: no 'noclip' privilege)");
2780                 }
2781         } else {
2782                 showStatusTextSimple("Noclip mode disabled");
2783         }
2784 }
2785
2786 void Game::toggleCinematic()
2787 {
2788         bool cinematic = !g_settings->getBool("cinematic");
2789         g_settings->set("cinematic", bool_to_cstr(cinematic));
2790
2791         runData.statustext_time = 0;
2792         if (cinematic)
2793                 showStatusTextSimple("Cinematic mode enabled");
2794         else
2795                 showStatusTextSimple("Cinematic mode disabled");
2796 }
2797
2798 // Autoforward by toggling continuous forward.
2799 void Game::toggleAutoforward()
2800 {
2801         bool autorun_enabled = !g_settings->getBool("continuous_forward");
2802         g_settings->set("continuous_forward", bool_to_cstr(autorun_enabled));
2803
2804         runData.statustext_time = 0;
2805         if (autorun_enabled)
2806                 showStatusTextSimple("Automatic forwards enabled");
2807         else
2808                 showStatusTextSimple("Automatic forwards disabled");
2809 }
2810
2811 void Game::toggleChat()
2812 {
2813         flags.show_chat = !flags.show_chat;
2814         runData.statustext_time = 0;
2815         if (flags.show_chat)
2816                 showStatusTextSimple("Chat shown");
2817         else
2818                 showStatusTextSimple("Chat hidden");
2819 }
2820
2821
2822 void Game::toggleHud()
2823 {
2824         flags.show_hud = !flags.show_hud;
2825         runData.statustext_time = 0;
2826         if (flags.show_hud)
2827                 showStatusTextSimple("HUD shown");
2828         else
2829                 showStatusTextSimple("HUD hidden");
2830 }
2831
2832 void Game::toggleMinimap(bool shift_pressed)
2833 {
2834         if (!mapper || !flags.show_hud || !g_settings->getBool("enable_minimap"))
2835                 return;
2836
2837         if (shift_pressed) {
2838                 mapper->toggleMinimapShape();
2839                 return;
2840         }
2841
2842         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2843
2844         MinimapMode mode = MINIMAP_MODE_OFF;
2845         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2846                 mode = mapper->getMinimapMode();
2847                 mode = (MinimapMode)((int)mode + 1);
2848                 // If radar is disabled and in, or switching to, radar mode
2849                 if (!(hud_flags & HUD_FLAG_MINIMAP_RADAR_VISIBLE) && mode > 3)
2850                         mode = MINIMAP_MODE_OFF;
2851         }
2852
2853         flags.show_minimap = true;
2854         switch (mode) {
2855                 case MINIMAP_MODE_SURFACEx1:
2856                         showStatusTextSimple("Minimap in surface mode, Zoom x1");
2857                         break;
2858                 case MINIMAP_MODE_SURFACEx2:
2859                         showStatusTextSimple("Minimap in surface mode, Zoom x2");
2860                         break;
2861                 case MINIMAP_MODE_SURFACEx4:
2862                         showStatusTextSimple("Minimap in surface mode, Zoom x4");
2863                         break;
2864                 case MINIMAP_MODE_RADARx1:
2865                         showStatusTextSimple("Minimap in radar mode, Zoom x1");
2866                         break;
2867                 case MINIMAP_MODE_RADARx2:
2868                         showStatusTextSimple("Minimap in radar mode, Zoom x2");
2869                         break;
2870                 case MINIMAP_MODE_RADARx4:
2871                         showStatusTextSimple("Minimap in radar mode, Zoom x4");
2872                         break;
2873                 default:
2874                         mode = MINIMAP_MODE_OFF;
2875                         flags.show_minimap = false;
2876                         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE)
2877                                 showStatusTextSimple("Minimap hidden");
2878                         else
2879                                 showStatusTextSimple("Minimap currently disabled by game or mod");
2880         }
2881
2882         runData.statustext_time = 0;
2883         mapper->setMinimapMode(mode);
2884 }
2885
2886 void Game::toggleFog()
2887 {
2888         flags.force_fog_off = !flags.force_fog_off;
2889         runData.statustext_time = 0;
2890         if (flags.force_fog_off)
2891                 showStatusTextSimple("Fog disabled");
2892         else
2893                 showStatusTextSimple("Fog enabled");
2894 }
2895
2896
2897 void Game::toggleDebug()
2898 {
2899         // Initial / 4x toggle: Chat only
2900         // 1x toggle: Debug text with chat
2901         // 2x toggle: Debug text with profiler graph
2902         // 3x toggle: Debug text and wireframe
2903         if (!flags.show_debug) {
2904                 flags.show_debug = true;
2905                 flags.show_profiler_graph = false;
2906                 draw_control->show_wireframe = false;
2907                 showStatusTextSimple("Debug info shown");
2908         } else if (!flags.show_profiler_graph && !draw_control->show_wireframe) {
2909                 flags.show_profiler_graph = true;
2910                 showStatusTextSimple("Profiler graph shown");
2911         } else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
2912                 flags.show_profiler_graph = false;
2913                 draw_control->show_wireframe = true;
2914                 showStatusTextSimple("Wireframe shown");
2915         } else {
2916                 flags.show_debug = false;
2917                 flags.show_profiler_graph = false;
2918                 draw_control->show_wireframe = false;
2919                 if (client->checkPrivilege("debug")) {
2920                         showStatusTextSimple("Debug info, profiler graph, and wireframe hidden");
2921                 } else {
2922                         showStatusTextSimple("Debug info and profiler graph hidden");
2923                 }
2924         }
2925         runData.statustext_time = 0;
2926 }
2927
2928
2929 void Game::toggleUpdateCamera()
2930 {
2931         flags.disable_camera_update = !flags.disable_camera_update;
2932         runData.statustext_time = 0;
2933         if (flags.disable_camera_update)
2934                 showStatusTextSimple("Camera update disabled");
2935         else
2936                 showStatusTextSimple("Camera update enabled");
2937 }
2938
2939
2940 void Game::toggleProfiler()
2941 {
2942         runData.profiler_current_page =
2943                 (runData.profiler_current_page + 1) % (runData.profiler_max_page + 1);
2944
2945         // FIXME: This updates the profiler with incomplete values
2946         update_profiler_gui(guitext_profiler, g_fontengine, runData.profiler_current_page,
2947                 runData.profiler_max_page, driver->getScreenSize().Height);
2948
2949         if (runData.profiler_current_page != 0) {
2950                 wchar_t buf[255];
2951                 const wchar_t* str = wgettext("Profiler shown (page %d of %d)");
2952                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str,
2953                                 runData.profiler_current_page,
2954                                 runData.profiler_max_page);
2955                 delete[] str;
2956                 m_statustext = buf;
2957         } else {
2958                 showStatusTextSimple("Profiler hidden");
2959         }
2960         runData.statustext_time = 0;
2961 }
2962
2963
2964 void Game::increaseViewRange()
2965 {
2966         s16 range = g_settings->getS16("viewing_range");
2967         s16 range_new = range + 10;
2968
2969         wchar_t buf[255];
2970         const wchar_t *str;
2971         if (range_new > 4000) {
2972                 range_new = 4000;
2973                 str = wgettext("Viewing range is at maximum: %d");
2974                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2975                 delete[] str;
2976                 m_statustext = buf;
2977
2978         } else {
2979                 str = wgettext("Viewing range changed to %d");
2980                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
2981                 delete[] str;
2982                 m_statustext = buf;
2983         }
2984         g_settings->set("viewing_range", itos(range_new));
2985         runData.statustext_time = 0;
2986 }
2987
2988
2989 void Game::decreaseViewRange()
2990 {
2991         s16 range = g_settings->getS16("viewing_range");
2992         s16 range_new = range - 10;
2993
2994         wchar_t buf[255];
2995         const wchar_t *str;
2996         if (range_new < 20) {
2997                 range_new = 20;
2998                 str = wgettext("Viewing range is at minimum: %d");
2999                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
3000                 delete[] str;
3001                 m_statustext = buf;
3002         } else {
3003                 str = wgettext("Viewing range changed to %d");
3004                 swprintf(buf, sizeof(buf) / sizeof(wchar_t), str, range_new);
3005                 delete[] str;
3006                 m_statustext = buf;
3007         }
3008         g_settings->set("viewing_range", itos(range_new));
3009         runData.statustext_time = 0;
3010 }
3011
3012
3013 void Game::toggleFullViewRange()
3014 {
3015         draw_control->range_all = !draw_control->range_all;
3016         runData.statustext_time = 0;
3017         if (draw_control->range_all)
3018                 showStatusTextSimple("Enabled unlimited viewing range");
3019         else
3020                 showStatusTextSimple("Disabled unlimited viewing range");
3021 }
3022
3023
3024 void Game::checkZoomEnabled()
3025 {
3026         LocalPlayer *player = client->getEnv().getLocalPlayer();
3027         if (player->getZoomFOV() < 0.001f)
3028                 showStatusTextSimple("Zoom currently disabled by game or mod");
3029 }
3030
3031
3032 void Game::updateCameraDirection(CameraOrientation *cam, float dtime)
3033 {
3034         if ((device->isWindowActive() && device->isWindowFocused()
3035                         && !isMenuActive()) || random_input) {
3036
3037 #ifndef __ANDROID__
3038                 if (!random_input) {
3039                         // Mac OSX gets upset if this is set every frame
3040                         if (device->getCursorControl()->isVisible())
3041                                 device->getCursorControl()->setVisible(false);
3042                 }
3043 #endif
3044
3045                 if (m_first_loop_after_window_activation)
3046                         m_first_loop_after_window_activation = false;
3047                 else
3048                         updateCameraOrientation(cam, dtime);
3049
3050                 input->setMousePos((driver->getScreenSize().Width / 2),
3051                                 (driver->getScreenSize().Height / 2));
3052         } else {
3053
3054 #ifndef ANDROID
3055                 // Mac OSX gets upset if this is set every frame
3056                 if (!device->getCursorControl()->isVisible())
3057                         device->getCursorControl()->setVisible(true);
3058 #endif
3059
3060                 m_first_loop_after_window_activation = true;
3061
3062         }
3063 }
3064
3065 void Game::updateCameraOrientation(CameraOrientation *cam, float dtime)
3066 {
3067 #ifdef HAVE_TOUCHSCREENGUI
3068         if (g_touchscreengui) {
3069                 cam->camera_yaw   += g_touchscreengui->getYawChange();
3070                 cam->camera_pitch  = g_touchscreengui->getPitch();
3071         } else {
3072 #endif
3073
3074                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3075                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3076
3077                 if (m_invert_mouse || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3078                         dy = -dy;
3079                 }
3080
3081                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3082                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3083
3084 #ifdef HAVE_TOUCHSCREENGUI
3085         }
3086 #endif
3087
3088         if (m_cache_enable_joysticks) {
3089                 f32 c = m_cache_joystick_frustum_sensitivity * (1.f / 32767.f) * dtime;
3090                 cam->camera_yaw -= input->joystick.getAxisWithoutDead(JA_FRUSTUM_HORIZONTAL) * c;
3091                 cam->camera_pitch += input->joystick.getAxisWithoutDead(JA_FRUSTUM_VERTICAL) * c;
3092         }
3093
3094         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3095 }
3096
3097
3098 void Game::updatePlayerControl(const CameraOrientation &cam)
3099 {
3100         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3101
3102         // DO NOT use the isKeyDown method for the forward, backward, left, right
3103         // buttons, as the code that uses the controls needs to be able to
3104         // distinguish between the two in order to know when to use joysticks.
3105
3106         PlayerControl control(
3107                 input->isKeyDown(keycache.key[KeyType::FORWARD]),
3108                 input->isKeyDown(keycache.key[KeyType::BACKWARD]),
3109                 input->isKeyDown(keycache.key[KeyType::LEFT]),
3110                 input->isKeyDown(keycache.key[KeyType::RIGHT]),
3111                 isKeyDown(KeyType::JUMP),
3112                 isKeyDown(KeyType::SPECIAL1),
3113                 isKeyDown(KeyType::SNEAK),
3114                 isKeyDown(KeyType::ZOOM),
3115                 isLeftPressed(),
3116                 isRightPressed(),
3117                 cam.camera_pitch,
3118                 cam.camera_yaw,
3119                 input->joystick.getAxisWithoutDead(JA_SIDEWARD_MOVE),
3120                 input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
3121         );
3122
3123         u32 keypress_bits =
3124                         ( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
3125                         ( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
3126                         ( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
3127                         ( (u32)(isKeyDown(KeyType::RIGHT)                         & 0x1) << 3) |
3128                         ( (u32)(isKeyDown(KeyType::JUMP)                          & 0x1) << 4) |
3129                         ( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
3130                         ( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
3131                         ( (u32)(isLeftPressed()                                   & 0x1) << 7) |
3132                         ( (u32)(isRightPressed()                                  & 0x1) << 8
3133                 );
3134
3135 #ifdef ANDROID
3136         /* For Android, simulate holding down AUX1 (fast move) if the user has
3137          * the fast_move setting toggled on. If there is an aux1 key defined for
3138          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3139          * not fast)
3140          */
3141         if (m_cache_hold_aux1) {
3142                 control.aux1 = control.aux1 ^ true;
3143                 keypress_bits ^= ((u32)(1U << 5));
3144         }
3145 #endif
3146
3147         client->setPlayerControl(control);
3148         LocalPlayer *player = client->getEnv().getLocalPlayer();
3149         player->keyPressed = keypress_bits;
3150
3151         //tt.stop();
3152 }
3153
3154
3155 inline void Game::step(f32 *dtime)
3156 {
3157         bool can_be_and_is_paused =
3158                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3159
3160         if (can_be_and_is_paused) {     // This is for a singleplayer server
3161                 *dtime = 0;             // No time passes
3162         } else {
3163                 if (server != NULL) {
3164                         //TimeTaker timer("server->step(dtime)");
3165                         server->step(*dtime);
3166                 }
3167
3168                 //TimeTaker timer("client.step(dtime)");
3169                 client->step(*dtime);
3170         }
3171 }
3172
3173 const ClientEventHandler Game::clientEventHandler[CLIENTEVENT_MAX] = {
3174         {&Game::handleClientEvent_None},
3175         {&Game::handleClientEvent_PlayerDamage},
3176         {&Game::handleClientEvent_PlayerForceMove},
3177         {&Game::handleClientEvent_Deathscreen},
3178         {&Game::handleClientEvent_ShowFormSpec},
3179         {&Game::handleClientEvent_ShowLocalFormSpec},
3180         {&Game::handleClientEvent_HandleParticleEvent},
3181         {&Game::handleClientEvent_HandleParticleEvent},
3182         {&Game::handleClientEvent_HandleParticleEvent},
3183         {&Game::handleClientEvent_HudAdd},
3184         {&Game::handleClientEvent_HudRemove},
3185         {&Game::handleClientEvent_HudChange},
3186         {&Game::handleClientEvent_SetSky},
3187         {&Game::handleClientEvent_OverrideDayNigthRatio},
3188         {&Game::handleClientEvent_CloudParams},
3189 };
3190
3191 void Game::handleClientEvent_None(ClientEvent *event, CameraOrientation *cam)
3192 {
3193         FATAL_ERROR("ClientEvent type None received");
3194 }
3195
3196 void Game::handleClientEvent_PlayerDamage(ClientEvent *event, CameraOrientation *cam)
3197 {
3198         if (client->getHP() == 0)
3199                 return;
3200
3201         if (client->moddingEnabled()) {
3202                 client->getScript()->on_damage_taken(event->player_damage.amount);
3203         }
3204
3205         runData.damage_flash += 95.0 + 3.2 * event->player_damage.amount;
3206         runData.damage_flash = MYMIN(runData.damage_flash, 127.0);
3207
3208         LocalPlayer *player = client->getEnv().getLocalPlayer();
3209
3210         player->hurt_tilt_timer = 1.5;
3211         player->hurt_tilt_strength =
3212                 rangelim(event->player_damage.amount / 4, 1.0, 4.0);
3213
3214         client->event()->put(new SimpleTriggerEvent("PlayerDamage"));
3215 }
3216
3217 void Game::handleClientEvent_PlayerForceMove(ClientEvent *event, CameraOrientation *cam)
3218 {
3219         cam->camera_yaw = event->player_force_move.yaw;
3220         cam->camera_pitch = event->player_force_move.pitch;
3221 }
3222
3223 void Game::handleClientEvent_Deathscreen(ClientEvent *event, CameraOrientation *cam)
3224 {
3225         // This should be enabled for death formspec in builtin
3226         client->getScript()->on_death();
3227
3228         LocalPlayer *player = client->getEnv().getLocalPlayer();
3229
3230         /* Handle visualization */
3231         runData.damage_flash = 0;
3232         player->hurt_tilt_timer = 0;
3233         player->hurt_tilt_strength = 0;
3234 }
3235
3236 void Game::handleClientEvent_ShowFormSpec(ClientEvent *event, CameraOrientation *cam)
3237 {
3238         if (event->show_formspec.formspec->empty()) {
3239                 if (current_formspec && (event->show_formspec.formname->empty()
3240                         || *(event->show_formspec.formname) == cur_formname)) {
3241                         current_formspec->quitMenu();
3242                 }
3243         } else {
3244                 FormspecFormSource *fs_src =
3245                         new FormspecFormSource(*(event->show_formspec.formspec));
3246                 TextDestPlayerInventory *txt_dst =
3247                         new TextDestPlayerInventory(client, *(event->show_formspec.formname));
3248
3249                 create_formspec_menu(&current_formspec, client, &input->joystick,
3250                         fs_src, txt_dst);
3251                 cur_formname = *(event->show_formspec.formname);
3252         }
3253
3254         delete event->show_formspec.formspec;
3255         delete event->show_formspec.formname;
3256 }
3257
3258 void Game::handleClientEvent_ShowLocalFormSpec(ClientEvent *event, CameraOrientation *cam)
3259 {
3260         FormspecFormSource *fs_src = new FormspecFormSource(*event->show_formspec.formspec);
3261         LocalFormspecHandler *txt_dst =
3262                 new LocalFormspecHandler(*event->show_formspec.formname, client);
3263         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
3264
3265         delete event->show_formspec.formspec;
3266         delete event->show_formspec.formname;
3267 }
3268
3269 void Game::handleClientEvent_HandleParticleEvent(ClientEvent *event,
3270                 CameraOrientation *cam)
3271 {
3272         LocalPlayer *player = client->getEnv().getLocalPlayer();
3273         client->getParticleManager()->handleParticleEvent(event, client, player);
3274 }
3275
3276 void Game::handleClientEvent_HudAdd(ClientEvent *event, CameraOrientation *cam)
3277 {
3278         LocalPlayer *player = client->getEnv().getLocalPlayer();
3279
3280         u32 id = event->hudadd.id;
3281
3282         HudElement *e = player->getHud(id);
3283
3284         if (e != NULL) {
3285                 delete event->hudadd.pos;
3286                 delete event->hudadd.name;
3287                 delete event->hudadd.scale;
3288                 delete event->hudadd.text;
3289                 delete event->hudadd.align;
3290                 delete event->hudadd.offset;
3291                 delete event->hudadd.world_pos;
3292                 delete event->hudadd.size;
3293                 return;
3294         }
3295
3296         e = new HudElement;
3297         e->type   = (HudElementType)event->hudadd.type;
3298         e->pos    = *event->hudadd.pos;
3299         e->name   = *event->hudadd.name;
3300         e->scale  = *event->hudadd.scale;
3301         e->text   = *event->hudadd.text;
3302         e->number = event->hudadd.number;
3303         e->item   = event->hudadd.item;
3304         e->dir    = event->hudadd.dir;
3305         e->align  = *event->hudadd.align;
3306         e->offset = *event->hudadd.offset;
3307         e->world_pos = *event->hudadd.world_pos;
3308         e->size = *event->hudadd.size;
3309
3310         u32 new_id = player->addHud(e);
3311         //if this isn't true our huds aren't consistent
3312         sanity_check(new_id == id);
3313
3314         delete event->hudadd.pos;
3315         delete event->hudadd.name;
3316         delete event->hudadd.scale;
3317         delete event->hudadd.text;
3318         delete event->hudadd.align;
3319         delete event->hudadd.offset;
3320         delete event->hudadd.world_pos;
3321         delete event->hudadd.size;
3322 }
3323
3324 void Game::handleClientEvent_HudRemove(ClientEvent *event, CameraOrientation *cam)
3325 {
3326         LocalPlayer *player = client->getEnv().getLocalPlayer();
3327         HudElement *e = player->removeHud(event->hudrm.id);
3328         delete e;
3329 }
3330
3331 void Game::handleClientEvent_HudChange(ClientEvent *event, CameraOrientation *cam)
3332 {
3333         LocalPlayer *player = client->getEnv().getLocalPlayer();
3334
3335         u32 id = event->hudchange.id;
3336         HudElement *e = player->getHud(id);
3337
3338         if (e == NULL) {
3339                 delete event->hudchange.v3fdata;
3340                 delete event->hudchange.v2fdata;
3341                 delete event->hudchange.sdata;
3342                 delete event->hudchange.v2s32data;
3343                 return;
3344         }
3345
3346         switch (event->hudchange.stat) {
3347                 case HUD_STAT_POS:
3348                         e->pos = *event->hudchange.v2fdata;
3349                         break;
3350
3351                 case HUD_STAT_NAME:
3352                         e->name = *event->hudchange.sdata;
3353                         break;
3354
3355                 case HUD_STAT_SCALE:
3356                         e->scale = *event->hudchange.v2fdata;
3357                         break;
3358
3359                 case HUD_STAT_TEXT:
3360                         e->text = *event->hudchange.sdata;
3361                         break;
3362
3363                 case HUD_STAT_NUMBER:
3364                         e->number = event->hudchange.data;
3365                         break;
3366
3367                 case HUD_STAT_ITEM:
3368                         e->item = event->hudchange.data;
3369                         break;
3370
3371                 case HUD_STAT_DIR:
3372                         e->dir = event->hudchange.data;
3373                         break;
3374
3375                 case HUD_STAT_ALIGN:
3376                         e->align = *event->hudchange.v2fdata;
3377                         break;
3378
3379                 case HUD_STAT_OFFSET:
3380                         e->offset = *event->hudchange.v2fdata;
3381                         break;
3382
3383                 case HUD_STAT_WORLD_POS:
3384                         e->world_pos = *event->hudchange.v3fdata;
3385                         break;
3386
3387                 case HUD_STAT_SIZE:
3388                         e->size = *event->hudchange.v2s32data;
3389                         break;
3390         }
3391
3392         delete event->hudchange.v3fdata;
3393         delete event->hudchange.v2fdata;
3394         delete event->hudchange.sdata;
3395         delete event->hudchange.v2s32data;
3396 }
3397
3398 void Game::handleClientEvent_SetSky(ClientEvent *event, CameraOrientation *cam)
3399 {
3400         sky->setVisible(false);
3401         // Whether clouds are visible in front of a custom skybox
3402         sky->setCloudsEnabled(event->set_sky.clouds);
3403
3404         if (skybox) {
3405                 skybox->remove();
3406                 skybox = NULL;
3407         }
3408
3409         // Handle according to type
3410         if (*event->set_sky.type == "regular") {
3411                 sky->setVisible(true);
3412                 sky->setCloudsEnabled(true);
3413         } else if (*event->set_sky.type == "skybox" &&
3414                 event->set_sky.params->size() == 6) {
3415                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3416                 skybox = RenderingEngine::get_scene_manager()->addSkyBoxSceneNode(
3417                         texture_src->getTextureForMesh((*event->set_sky.params)[0]),
3418                         texture_src->getTextureForMesh((*event->set_sky.params)[1]),
3419                         texture_src->getTextureForMesh((*event->set_sky.params)[2]),
3420                         texture_src->getTextureForMesh((*event->set_sky.params)[3]),
3421                         texture_src->getTextureForMesh((*event->set_sky.params)[4]),
3422                         texture_src->getTextureForMesh((*event->set_sky.params)[5]));
3423         }
3424                 // Handle everything else as plain color
3425         else {
3426                 if (*event->set_sky.type != "plain")
3427                         infostream << "Unknown sky type: "
3428                                 << (*event->set_sky.type) << std::endl;
3429
3430                 sky->setFallbackBgColor(*event->set_sky.bgcolor);
3431         }
3432
3433         delete event->set_sky.bgcolor;
3434         delete event->set_sky.type;
3435         delete event->set_sky.params;
3436 }
3437
3438 void Game::handleClientEvent_OverrideDayNigthRatio(ClientEvent *event,
3439                 CameraOrientation *cam)
3440 {
3441         client->getEnv().setDayNightRatioOverride(
3442                 event->override_day_night_ratio.do_override,
3443                 event->override_day_night_ratio.ratio_f * 1000.0f);
3444 }
3445
3446 void Game::handleClientEvent_CloudParams(ClientEvent *event, CameraOrientation *cam)
3447 {
3448         if (!clouds)
3449                 return;
3450
3451         clouds->setDensity(event->cloud_params.density);
3452         clouds->setColorBright(video::SColor(event->cloud_params.color_bright));
3453         clouds->setColorAmbient(video::SColor(event->cloud_params.color_ambient));
3454         clouds->setHeight(event->cloud_params.height);
3455         clouds->setThickness(event->cloud_params.thickness);
3456         clouds->setSpeed(v2f(event->cloud_params.speed_x, event->cloud_params.speed_y));
3457 }
3458
3459 void Game::processClientEvents(CameraOrientation *cam)
3460 {
3461         while (client->hasClientEvents()) {
3462                 std::unique_ptr<ClientEvent> event(client->getClientEvent());
3463                 FATAL_ERROR_IF(event->type >= CLIENTEVENT_MAX, "Invalid clientevent type");
3464                 const ClientEventHandler& evHandler = clientEventHandler[event->type];
3465                 (this->*evHandler.handler)(event.get(), cam);
3466         }
3467 }
3468
3469 void Game::updateCamera(u32 busy_time, f32 dtime)
3470 {
3471         LocalPlayer *player = client->getEnv().getLocalPlayer();
3472
3473         /*
3474                 For interaction purposes, get info about the held item
3475                 - What item is it?
3476                 - Is it a usable item?
3477                 - Can it point to liquids?
3478         */
3479         ItemStack playeritem;
3480         {
3481                 InventoryList *mlist = local_inventory->getList("main");
3482
3483                 if (mlist && client->getPlayerItem() < mlist->getSize())
3484                         playeritem = mlist->getItem(client->getPlayerItem());
3485         }
3486
3487         if (playeritem.getDefinition(itemdef_manager).name.empty()) { // override the hand
3488                 InventoryList *hlist = local_inventory->getList("hand");
3489                 if (hlist)
3490                         playeritem = hlist->getItem(0);
3491         }
3492
3493
3494         ToolCapabilities playeritem_toolcap =
3495                 playeritem.getToolCapabilities(itemdef_manager);
3496
3497         v3s16 old_camera_offset = camera->getOffset();
3498
3499         if (wasKeyDown(KeyType::CAMERA_MODE)) {
3500                 GenericCAO *playercao = player->getCAO();
3501
3502                 // If playercao not loaded, don't change camera
3503                 if (!playercao)
3504                         return;
3505
3506                 camera->toggleCameraMode();
3507
3508                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3509                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3510         }
3511
3512         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3513         float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
3514
3515         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3516         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio);
3517         camera->step(dtime);
3518
3519         v3f camera_position = camera->getPosition();
3520         v3f camera_direction = camera->getDirection();
3521         f32 camera_fov = camera->getFovMax();
3522         v3s16 camera_offset = camera->getOffset();
3523
3524         m_camera_offset_changed = (camera_offset != old_camera_offset);
3525
3526         if (!flags.disable_camera_update) {
3527                 client->getEnv().getClientMap().updateCamera(camera_position,
3528                                 camera_direction, camera_fov, camera_offset);
3529
3530                 if (m_camera_offset_changed) {
3531                         client->updateCameraOffset(camera_offset);
3532                         client->getEnv().updateCameraOffset(camera_offset);
3533
3534                         if (clouds)
3535                                 clouds->updateCameraOffset(camera_offset);
3536                 }
3537         }
3538 }
3539
3540
3541 void Game::updateSound(f32 dtime)
3542 {
3543         // Update sound listener
3544         v3s16 camera_offset = camera->getOffset();
3545         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3546                               v3f(0, 0, 0), // velocity
3547                               camera->getDirection(),
3548                               camera->getCameraNode()->getUpVector());
3549
3550         bool mute_sound = g_settings->getBool("mute_sound");
3551         if (mute_sound) {
3552                 sound->setListenerGain(0.0f);
3553         } else {
3554                 // Check if volume is in the proper range, else fix it.
3555                 float old_volume = g_settings->getFloat("sound_volume");
3556                 float new_volume = rangelim(old_volume, 0.0f, 1.0f);
3557                 sound->setListenerGain(new_volume);
3558
3559                 if (old_volume != new_volume) {
3560                         g_settings->setFloat("sound_volume", new_volume);
3561                 }
3562         }
3563
3564         LocalPlayer *player = client->getEnv().getLocalPlayer();
3565
3566         // Tell the sound maker whether to make footstep sounds
3567         soundmaker->makes_footstep_sound = player->makes_footstep_sound;
3568
3569         //      Update sound maker
3570         if (player->makes_footstep_sound)
3571                 soundmaker->step(dtime);
3572
3573         ClientMap &map = client->getEnv().getClientMap();
3574         MapNode n = map.getNodeNoEx(player->getFootstepNodePos());
3575         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3576 }
3577
3578
3579 void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
3580 {
3581         LocalPlayer *player = client->getEnv().getLocalPlayer();
3582
3583         ItemStack playeritem;
3584         {
3585                 InventoryList *mlist = local_inventory->getList("main");
3586
3587                 if (mlist && client->getPlayerItem() < mlist->getSize())
3588                         playeritem = mlist->getItem(client->getPlayerItem());
3589         }
3590
3591         const ItemDefinition &playeritem_def =
3592                         playeritem.getDefinition(itemdef_manager);
3593         InventoryList *hlist = local_inventory->getList("hand");
3594         const ItemDefinition &hand_def =
3595                 hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3596
3597         v3f player_position  = player->getPosition();
3598         v3f camera_position  = camera->getPosition();
3599         v3f camera_direction = camera->getDirection();
3600         v3s16 camera_offset  = camera->getOffset();
3601
3602
3603         /*
3604                 Calculate what block is the crosshair pointing to
3605         */
3606
3607         f32 d = playeritem_def.range; // max. distance
3608         f32 d_hand = hand_def.range;
3609
3610         if (d < 0 && d_hand >= 0)
3611                 d = d_hand;
3612         else if (d < 0)
3613                 d = 4.0;
3614
3615         core::line3d<f32> shootline;
3616
3617         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3618                 shootline = core::line3d<f32>(camera_position,
3619                         camera_position + camera_direction * BS * d);
3620         } else {
3621             // prevent player pointing anything in front-view
3622                 shootline = core::line3d<f32>(camera_position,camera_position);
3623         }
3624
3625 #ifdef HAVE_TOUCHSCREENGUI
3626
3627         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3628                 shootline = g_touchscreengui->getShootline();
3629                 // Scale shootline to the acual distance the player can reach
3630                 shootline.end = shootline.start
3631                         + shootline.getVector().normalize() * BS * d;
3632                 shootline.start += intToFloat(camera_offset, BS);
3633                 shootline.end += intToFloat(camera_offset, BS);
3634         }
3635
3636 #endif
3637
3638         PointedThing pointed = updatePointedThing(shootline,
3639                         playeritem_def.liquids_pointable,
3640                         !runData.ldown_for_dig,
3641                         camera_offset);
3642
3643         if (pointed != runData.pointed_old) {
3644                 infostream << "Pointing at " << pointed.dump() << std::endl;
3645                 hud->updateSelectionMesh(camera_offset);
3646         }
3647
3648         if (runData.digging_blocked && !isLeftPressed()) {
3649                 // allow digging again if button is not pressed
3650                 runData.digging_blocked = false;
3651         }
3652
3653         /*
3654                 Stop digging when
3655                 - releasing left mouse button
3656                 - pointing away from node
3657         */
3658         if (runData.digging) {
3659                 if (getLeftReleased()) {
3660                         infostream << "Left button released"
3661                                    << " (stopped digging)" << std::endl;
3662                         runData.digging = false;
3663                 } else if (pointed != runData.pointed_old) {
3664                         if (pointed.type == POINTEDTHING_NODE
3665                                         && runData.pointed_old.type == POINTEDTHING_NODE
3666                                         && pointed.node_undersurface
3667                                                         == runData.pointed_old.node_undersurface) {
3668                                 // Still pointing to the same node, but a different face.
3669                                 // Don't reset.
3670                         } else {
3671                                 infostream << "Pointing away from node"
3672                                            << " (stopped digging)" << std::endl;
3673                                 runData.digging = false;
3674                                 hud->updateSelectionMesh(camera_offset);
3675                         }
3676                 }
3677
3678                 if (!runData.digging) {
3679                         client->interact(1, runData.pointed_old);
3680                         client->setCrack(-1, v3s16(0, 0, 0));
3681                         runData.dig_time = 0.0;
3682                 }
3683         } else if (runData.dig_instantly && getLeftReleased()) {
3684                 // Remove e.g. torches faster when clicking instead of holding LMB
3685                 runData.nodig_delay_timer = 0;
3686                 runData.dig_instantly = false;
3687         }
3688
3689         if (!runData.digging && runData.ldown_for_dig && !isLeftPressed()) {
3690                 runData.ldown_for_dig = false;
3691         }
3692
3693         runData.left_punch = false;
3694
3695         soundmaker->m_player_leftpunch_sound.name = "";
3696
3697         // Prepare for repeating, unless we're not supposed to
3698         if (isRightPressed() && !g_settings->getBool("safe_dig_and_place"))
3699                 runData.repeat_rightclick_timer += dtime;
3700         else
3701                 runData.repeat_rightclick_timer = 0;
3702
3703         if (playeritem_def.usable && isLeftPressed()) {
3704                 if (getLeftClicked() && (!client->moddingEnabled()
3705                                 || !client->getScript()->on_item_use(playeritem, pointed)))
3706                         client->interact(4, pointed);
3707         } else if (pointed.type == POINTEDTHING_NODE) {
3708                 ToolCapabilities playeritem_toolcap =
3709                                 playeritem.getToolCapabilities(itemdef_manager);
3710                 if (playeritem.name.empty()) {
3711                         const ToolCapabilities *handToolcap = hlist
3712                                 ? &hlist->getItem(0).getToolCapabilities(itemdef_manager)
3713                                 : itemdef_manager->get("").tool_capabilities;
3714
3715                         if (handToolcap != nullptr)
3716                                 playeritem_toolcap = *handToolcap;
3717                 }
3718                 handlePointingAtNode(pointed, playeritem_def, playeritem,
3719                         playeritem_toolcap, dtime);
3720         } else if (pointed.type == POINTEDTHING_OBJECT) {
3721                 handlePointingAtObject(pointed, playeritem, player_position, show_debug);
3722         } else if (isLeftPressed()) {
3723                 // When button is held down in air, show continuous animation
3724                 runData.left_punch = true;
3725         } else if (getRightClicked()) {
3726                 handlePointingAtNothing(playeritem);
3727         }
3728
3729         runData.pointed_old = pointed;
3730
3731         if (runData.left_punch || getLeftClicked())
3732                 camera->setDigging(0); // left click animation
3733
3734         input->resetLeftClicked();
3735         input->resetRightClicked();
3736
3737         input->joystick.clearWasKeyDown(KeyType::MOUSE_L);
3738         input->joystick.clearWasKeyDown(KeyType::MOUSE_R);
3739
3740         input->resetLeftReleased();
3741         input->resetRightReleased();
3742
3743         input->joystick.clearWasKeyReleased(KeyType::MOUSE_L);
3744         input->joystick.clearWasKeyReleased(KeyType::MOUSE_R);
3745 }
3746
3747
3748 PointedThing Game::updatePointedThing(
3749         const core::line3d<f32> &shootline,
3750         bool liquids_pointable,
3751         bool look_for_object,
3752         const v3s16 &camera_offset)
3753 {
3754         std::vector<aabb3f> *selectionboxes = hud->getSelectionBoxes();
3755         selectionboxes->clear();
3756         hud->setSelectedFaceNormal(v3f(0.0, 0.0, 0.0));
3757         static thread_local const bool show_entity_selectionbox = g_settings->getBool(
3758                 "show_entity_selectionbox");
3759
3760         ClientEnvironment &env = client->getEnv();
3761         ClientMap &map = env.getClientMap();
3762         INodeDefManager *nodedef = map.getNodeDefManager();
3763
3764         runData.selected_object = NULL;
3765
3766         RaycastState s(shootline, look_for_object, liquids_pointable);
3767         PointedThing result;
3768         env.continueRaycast(&s, &result);
3769         if (result.type == POINTEDTHING_OBJECT) {
3770                 runData.selected_object = client->getEnv().getActiveObject(result.object_id);
3771                 aabb3f selection_box;
3772                 if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox() &&
3773                                 runData.selected_object->getSelectionBox(&selection_box)) {
3774                         v3f pos = runData.selected_object->getPosition();
3775                         selectionboxes->push_back(aabb3f(selection_box));
3776                         hud->setSelectionPos(pos, camera_offset);
3777                 }
3778         } else if (result.type == POINTEDTHING_NODE) {
3779                 // Update selection boxes
3780                 MapNode n = map.getNodeNoEx(result.node_undersurface);
3781                 std::vector<aabb3f> boxes;
3782                 n.getSelectionBoxes(nodedef, &boxes,
3783                         n.getNeighbors(result.node_undersurface, &map));
3784
3785                 f32 d = 0.002 * BS;
3786                 for (std::vector<aabb3f>::const_iterator i = boxes.begin();
3787                         i != boxes.end(); ++i) {
3788                         aabb3f box = *i;
3789                         box.MinEdge -= v3f(d, d, d);
3790                         box.MaxEdge += v3f(d, d, d);
3791                         selectionboxes->push_back(box);
3792                 }
3793                 hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
3794                         camera_offset);
3795                 hud->setSelectedFaceNormal(v3f(
3796                         result.intersection_normal.X,
3797                         result.intersection_normal.Y,
3798                         result.intersection_normal.Z));
3799         }
3800
3801         // Update selection mesh light level and vertex colors
3802         if (!selectionboxes->empty()) {
3803                 v3f pf = hud->getSelectionPos();
3804                 v3s16 p = floatToInt(pf, BS);
3805
3806                 // Get selection mesh light level
3807                 MapNode n = map.getNodeNoEx(p);
3808                 u16 node_light = getInteriorLight(n, -1, nodedef);
3809                 u16 light_level = node_light;
3810
3811                 for (const v3s16 &dir : g_6dirs) {
3812                         n = map.getNodeNoEx(p + dir);
3813                         node_light = getInteriorLight(n, -1, nodedef);
3814                         if (node_light > light_level)
3815                                 light_level = node_light;
3816                 }
3817
3818                 u32 daynight_ratio = client->getEnv().getDayNightRatio();
3819                 video::SColor c;
3820                 final_color_blend(&c, light_level, daynight_ratio);
3821
3822                 // Modify final color a bit with time
3823                 u32 timer = porting::getTimeMs() % 5000;
3824                 float timerf = (float) (irr::core::PI * ((timer / 2500.0) - 0.5));
3825                 float sin_r = 0.08 * sin(timerf);
3826                 float sin_g = 0.08 * sin(timerf + irr::core::PI * 0.5);
3827                 float sin_b = 0.08 * sin(timerf + irr::core::PI);
3828                 c.setRed(core::clamp(core::round32(c.getRed() * (0.8 + sin_r)), 0, 255));
3829                 c.setGreen(core::clamp(core::round32(c.getGreen() * (0.8 + sin_g)), 0, 255));
3830                 c.setBlue(core::clamp(core::round32(c.getBlue() * (0.8 + sin_b)), 0, 255));
3831
3832                 // Set mesh final color
3833                 hud->setSelectionMeshColor(c);
3834         }
3835         return result;
3836 }
3837
3838
3839 void Game::handlePointingAtNothing(const ItemStack &playerItem)
3840 {
3841         infostream << "Right Clicked in Air" << std::endl;
3842         PointedThing fauxPointed;
3843         fauxPointed.type = POINTEDTHING_NOTHING;
3844         client->interact(5, fauxPointed);
3845 }
3846
3847
3848 void Game::handlePointingAtNode(const PointedThing &pointed,
3849         const ItemDefinition &playeritem_def, const ItemStack &playeritem,
3850         const ToolCapabilities &playeritem_toolcap, f32 dtime)
3851 {
3852         v3s16 nodepos = pointed.node_undersurface;
3853         v3s16 neighbourpos = pointed.node_abovesurface;
3854
3855         /*
3856                 Check information text of node
3857         */
3858
3859         ClientMap &map = client->getEnv().getClientMap();
3860
3861         if (runData.nodig_delay_timer <= 0.0 && isLeftPressed()
3862                         && !runData.digging_blocked
3863                         && client->checkPrivilege("interact")) {
3864                 handleDigging(pointed, nodepos, playeritem_toolcap, dtime);
3865         }
3866
3867         // This should be done after digging handling
3868         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3869
3870         if (meta) {
3871                 infotext = unescape_translate(utf8_to_wide(meta->getString("infotext")));
3872         } else {
3873                 MapNode n = map.getNodeNoEx(nodepos);
3874
3875                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3876                         infotext = L"Unknown node: ";
3877                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3878                 }
3879         }
3880
3881         if ((getRightClicked() ||
3882                         runData.repeat_rightclick_timer >= m_repeat_right_click_time) &&
3883                         client->checkPrivilege("interact")) {
3884                 runData.repeat_rightclick_timer = 0;
3885                 infostream << "Ground right-clicked" << std::endl;
3886
3887                 if (meta && !meta->getString("formspec").empty() && !random_input
3888                                 && !isKeyDown(KeyType::SNEAK)) {
3889                         // Report right click to server
3890                         if (nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3891                                 client->interact(3, pointed);
3892                         }
3893
3894                         infostream << "Launching custom inventory view" << std::endl;
3895
3896                         InventoryLocation inventoryloc;
3897                         inventoryloc.setNodeMeta(nodepos);
3898
3899                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3900                                 &client->getEnv().getClientMap(), nodepos);
3901                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3902
3903                         create_formspec_menu(&current_formspec, client,
3904                                 &input->joystick, fs_src, txt_dst);
3905                         cur_formname = "";
3906
3907                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3908                 } else {
3909                         // Report right click to server
3910
3911                         camera->setDigging(1);  // right click animation (always shown for feedback)
3912
3913                         // If the wielded item has node placement prediction,
3914                         // make that happen
3915                         bool placed = nodePlacementPrediction(*client,
3916                                         playeritem_def, playeritem,
3917                                         nodepos, neighbourpos);
3918
3919                         if (placed) {
3920                                 // Report to server
3921                                 client->interact(3, pointed);
3922                                 // Read the sound
3923                                 soundmaker->m_player_rightpunch_sound =
3924                                                 playeritem_def.sound_place;
3925
3926                                 if (client->moddingEnabled())
3927                                         client->getScript()->on_placenode(pointed, playeritem_def);
3928                         } else {
3929                                 soundmaker->m_player_rightpunch_sound =
3930                                                 SimpleSoundSpec();
3931
3932                                 if (playeritem_def.node_placement_prediction.empty() ||
3933                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3934                                         client->interact(3, pointed); // Report to server
3935                                 } else {
3936                                         soundmaker->m_player_rightpunch_sound =
3937                                                 playeritem_def.sound_place_failed;
3938                                 }
3939                         }
3940                 }
3941         }
3942 }
3943
3944
3945 void Game::handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
3946                 const v3f &player_position, bool show_debug)
3947 {
3948         infotext = unescape_translate(
3949                 utf8_to_wide(runData.selected_object->infoText()));
3950
3951         if (show_debug) {
3952                 if (!infotext.empty()) {
3953                         infotext += L"\n";
3954                 }
3955                 infotext += utf8_to_wide(runData.selected_object->debugInfoText());
3956         }
3957
3958         if (isLeftPressed()) {
3959                 bool do_punch = false;
3960                 bool do_punch_damage = false;
3961
3962                 if (runData.object_hit_delay_timer <= 0.0) {
3963                         do_punch = true;
3964                         do_punch_damage = true;
3965                         runData.object_hit_delay_timer = object_hit_delay;
3966                 }
3967
3968                 if (getLeftClicked())
3969                         do_punch = true;
3970
3971                 if (do_punch) {
3972                         infostream << "Left-clicked object" << std::endl;
3973                         runData.left_punch = true;
3974                 }
3975
3976                 if (do_punch_damage) {
3977                         // Report direct punch
3978                         v3f objpos = runData.selected_object->getPosition();
3979                         v3f dir = (objpos - player_position).normalize();
3980                         ItemStack item = playeritem;
3981                         if (playeritem.name.empty()) {
3982                                 InventoryList *hlist = local_inventory->getList("hand");
3983                                 if (hlist) {
3984                                         item = hlist->getItem(0);
3985                                 }
3986                         }
3987
3988                         bool disable_send = runData.selected_object->directReportPunch(
3989                                         dir, &item, runData.time_from_last_punch);
3990                         runData.time_from_last_punch = 0;
3991
3992                         if (!disable_send)
3993                                 client->interact(0, pointed);
3994                 }
3995         } else if (getRightClicked()) {
3996                 infostream << "Right-clicked object" << std::endl;
3997                 client->interact(3, pointed);  // place
3998         }
3999 }
4000
4001
4002 void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
4003                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
4004 {
4005         LocalPlayer *player = client->getEnv().getLocalPlayer();
4006         ClientMap &map = client->getEnv().getClientMap();
4007         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
4008
4009         // NOTE: Similar piece of code exists on the server side for
4010         // cheat detection.
4011         // Get digging parameters
4012         DigParams params = getDigParams(nodedef_manager->get(n).groups,
4013                         &playeritem_toolcap);
4014
4015         // If can't dig, try hand
4016         if (!params.diggable) {
4017                 InventoryList *hlist = local_inventory->getList("hand");
4018                 const ToolCapabilities *tp = hlist
4019                         ? &hlist->getItem(0).getToolCapabilities(itemdef_manager)
4020                         : itemdef_manager->get("").tool_capabilities;
4021
4022                 if (tp)
4023                         params = getDigParams(nodedef_manager->get(n).groups, tp);
4024         }
4025
4026         if (!params.diggable) {
4027                 // I guess nobody will wait for this long
4028                 runData.dig_time_complete = 10000000.0;
4029         } else {
4030                 runData.dig_time_complete = params.time;
4031
4032                 if (m_cache_enable_particles) {
4033                         const ContentFeatures &features = client->getNodeDefManager()->get(n);
4034                         client->getParticleManager()->addNodeParticle(client,
4035                                         player, nodepos, n, features);
4036                 }
4037         }
4038
4039         if (!runData.digging) {
4040                 infostream << "Started digging" << std::endl;
4041                 runData.dig_instantly = runData.dig_time_complete == 0;
4042                 if (client->moddingEnabled() && client->getScript()->on_punchnode(nodepos, n))
4043                         return;
4044                 client->interact(0, pointed);
4045                 runData.digging = true;
4046                 runData.ldown_for_dig = true;
4047         }
4048
4049         if (!runData.dig_instantly) {
4050                 runData.dig_index = (float)crack_animation_length
4051                                 * runData.dig_time
4052                                 / runData.dig_time_complete;
4053         } else {
4054                 // This is for e.g. torches
4055                 runData.dig_index = crack_animation_length;
4056         }
4057
4058         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
4059
4060         if (sound_dig.exists() && params.diggable) {
4061                 if (sound_dig.name == "__group") {
4062                         if (!params.main_group.empty()) {
4063                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
4064                                 soundmaker->m_player_leftpunch_sound.name =
4065                                                 std::string("default_dig_") +
4066                                                 params.main_group;
4067                         }
4068                 } else {
4069                         soundmaker->m_player_leftpunch_sound = sound_dig;
4070                 }
4071         }
4072
4073         // Don't show cracks if not diggable
4074         if (runData.dig_time_complete >= 100000.0) {
4075         } else if (runData.dig_index < crack_animation_length) {
4076                 //TimeTaker timer("client.setTempMod");
4077                 //infostream<<"dig_index="<<dig_index<<std::endl;
4078                 client->setCrack(runData.dig_index, nodepos);
4079         } else {
4080                 infostream << "Digging completed" << std::endl;
4081                 client->setCrack(-1, v3s16(0, 0, 0));
4082
4083                 runData.dig_time = 0;
4084                 runData.digging = false;
4085                 // we successfully dug, now block it from repeating if we want to be safe
4086                 if (g_settings->getBool("safe_dig_and_place"))
4087                         runData.digging_blocked = true;
4088
4089                 runData.nodig_delay_timer =
4090                                 runData.dig_time_complete / (float)crack_animation_length;
4091
4092                 // We don't want a corresponding delay to very time consuming nodes
4093                 // and nodes without digging time (e.g. torches) get a fixed delay.
4094                 if (runData.nodig_delay_timer > 0.3)
4095                         runData.nodig_delay_timer = 0.3;
4096                 else if (runData.dig_instantly)
4097                         runData.nodig_delay_timer = 0.15;
4098
4099                 bool is_valid_position;
4100                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
4101                 if (is_valid_position) {
4102                         if (client->moddingEnabled() &&
4103                                         client->getScript()->on_dignode(nodepos, wasnode)) {
4104                                 return;
4105                         }
4106
4107                         const ContentFeatures &f = client->ndef()->get(wasnode);
4108                         if (f.node_dig_prediction == "air") {
4109                                 client->removeNode(nodepos);
4110                         } else if (!f.node_dig_prediction.empty()) {
4111                                 content_t id;
4112                                 bool found = client->ndef()->getId(f.node_dig_prediction, id);
4113                                 if (found)
4114                                         client->addNode(nodepos, id, true);
4115                         }
4116                         // implicit else: no prediction
4117                 }
4118
4119                 client->interact(2, pointed);
4120
4121                 if (m_cache_enable_particles) {
4122                         const ContentFeatures &features =
4123                                 client->getNodeDefManager()->get(wasnode);
4124                         client->getParticleManager()->addDiggingParticles(client,
4125                                 player, nodepos, wasnode, features);
4126                 }
4127
4128
4129                 // Send event to trigger sound
4130                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
4131                 client->event()->put(e);
4132         }
4133
4134         if (runData.dig_time_complete < 100000.0) {
4135                 runData.dig_time += dtime;
4136         } else {
4137                 runData.dig_time = 0;
4138                 client->setCrack(-1, nodepos);
4139         }
4140
4141         camera->setDigging(0);  // left click animation
4142 }
4143
4144
4145 void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
4146                 const CameraOrientation &cam)
4147 {
4148         LocalPlayer *player = client->getEnv().getLocalPlayer();
4149
4150         /*
4151                 Fog range
4152         */
4153
4154         if (draw_control->range_all) {
4155                 runData.fog_range = 100000 * BS;
4156         } else {
4157                 runData.fog_range = draw_control->wanted_range * BS;
4158         }
4159
4160         /*
4161                 Calculate general brightness
4162         */
4163         u32 daynight_ratio = client->getEnv().getDayNightRatio();
4164         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
4165         float direct_brightness;
4166         bool sunlight_seen;
4167
4168         if (m_cache_enable_noclip && m_cache_enable_free_move) {
4169                 direct_brightness = time_brightness;
4170                 sunlight_seen = true;
4171         } else {
4172                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
4173                 float old_brightness = sky->getBrightness();
4174                 direct_brightness = client->getEnv().getClientMap()
4175                                 .getBackgroundBrightness(MYMIN(runData.fog_range * 1.2, 60 * BS),
4176                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
4177                                     / 255.0;
4178         }
4179
4180         float time_of_day_smooth = runData.time_of_day_smooth;
4181         float time_of_day = client->getEnv().getTimeOfDayF();
4182
4183         static const float maxsm = 0.05;
4184         static const float todsm = 0.05;
4185
4186         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
4187                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
4188                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
4189                 time_of_day_smooth = time_of_day;
4190
4191         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
4192                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4193                                 + (time_of_day + 1.0) * todsm;
4194         else
4195                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4196                                 + time_of_day * todsm;
4197
4198         runData.time_of_day = time_of_day;
4199         runData.time_of_day_smooth = time_of_day_smooth;
4200
4201         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
4202                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
4203                         player->getPitch());
4204
4205         /*
4206                 Update clouds
4207         */
4208         if (clouds) {
4209                 if (sky->getCloudsVisible()) {
4210                         clouds->setVisible(true);
4211                         clouds->step(dtime);
4212                         // camera->getPosition is not enough for 3rd person views
4213                         v3f camera_node_position = camera->getCameraNode()->getPosition();
4214                         v3s16 camera_offset      = camera->getOffset();
4215                         camera_node_position.X   = camera_node_position.X + camera_offset.X * BS;
4216                         camera_node_position.Y   = camera_node_position.Y + camera_offset.Y * BS;
4217                         camera_node_position.Z   = camera_node_position.Z + camera_offset.Z * BS;
4218                         clouds->update(camera_node_position,
4219                                         sky->getCloudColor());
4220                         if (clouds->isCameraInsideCloud() && m_cache_enable_fog &&
4221                                         !flags.force_fog_off) {
4222                                 // if inside clouds, and fog enabled, use that as sky
4223                                 // color(s)
4224                                 video::SColor clouds_dark = clouds->getColor()
4225                                                 .getInterpolated(video::SColor(255, 0, 0, 0), 0.9);
4226                                 sky->overrideColors(clouds_dark, clouds->getColor());
4227                                 sky->setBodiesVisible(false);
4228                                 runData.fog_range = std::fmin(runData.fog_range * 0.5f, 32.0f * BS);
4229                                 // do not draw clouds after all
4230                                 clouds->setVisible(false);
4231                         }
4232                 } else {
4233                         clouds->setVisible(false);
4234                 }
4235         }
4236
4237         /*
4238                 Update particles
4239         */
4240         client->getParticleManager()->step(dtime);
4241
4242         /*
4243                 Fog
4244         */
4245
4246         if (m_cache_enable_fog && !flags.force_fog_off) {
4247                 driver->setFog(
4248                                 sky->getBgColor(),
4249                                 video::EFT_FOG_LINEAR,
4250                                 runData.fog_range * m_cache_fog_start,
4251                                 runData.fog_range * 1.0,
4252                                 0.01,
4253                                 false, // pixel fog
4254                                 true // range fog
4255                 );
4256         } else {
4257                 driver->setFog(
4258                                 sky->getBgColor(),
4259                                 video::EFT_FOG_LINEAR,
4260                                 100000 * BS,
4261                                 110000 * BS,
4262                                 0.01,
4263                                 false, // pixel fog
4264                                 false // range fog
4265                 );
4266         }
4267
4268         /*
4269                 Get chat messages from client
4270         */
4271
4272         v2u32 screensize = driver->getScreenSize();
4273
4274         updateChat(*client, dtime, flags.show_debug, screensize,
4275                         flags.show_chat, runData.profiler_current_page,
4276                         *chat_backend, guitext_chat);
4277
4278         /*
4279                 Inventory
4280         */
4281
4282         if (client->getPlayerItem() != runData.new_playeritem)
4283                 client->selectPlayerItem(runData.new_playeritem);
4284
4285         // Update local inventory if it has changed
4286         if (client->getLocalInventoryUpdated()) {
4287                 //infostream<<"Updating local inventory"<<std::endl;
4288                 client->getLocalInventory(*local_inventory);
4289                 runData.update_wielded_item_trigger = true;
4290         }
4291
4292         if (runData.update_wielded_item_trigger) {
4293                 // Update wielded tool
4294                 InventoryList *mlist = local_inventory->getList("main");
4295
4296                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4297                         ItemStack item = mlist->getItem(client->getPlayerItem());
4298                         if (item.getDefinition(itemdef_manager).name.empty()) { // override the hand
4299                                 InventoryList *hlist = local_inventory->getList("hand");
4300                                 if (hlist)
4301                                         item = hlist->getItem(0);
4302                         }
4303                         camera->wield(item);
4304                 }
4305
4306                 runData.update_wielded_item_trigger = false;
4307         }
4308
4309         /*
4310                 Update block draw list every 200ms or when camera direction has
4311                 changed much
4312         */
4313         runData.update_draw_list_timer += dtime;
4314
4315         v3f camera_direction = camera->getDirection();
4316         if (runData.update_draw_list_timer >= 0.2
4317                         || runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4318                         || m_camera_offset_changed) {
4319                 runData.update_draw_list_timer = 0;
4320                 client->getEnv().getClientMap().updateDrawList();
4321                 runData.update_draw_list_last_cam_dir = camera_direction;
4322         }
4323
4324         updateGui(*stats, dtime, cam);
4325
4326         /*
4327            make sure menu is on top
4328            1. Delete formspec menu reference if menu was removed
4329            2. Else, make sure formspec menu is on top
4330         */
4331         if (current_formspec) {
4332                 if (current_formspec->getReferenceCount() == 1) {
4333                         current_formspec->drop();
4334                         current_formspec = NULL;
4335                 } else if (isMenuActive()) {
4336                         guiroot->bringToFront(current_formspec);
4337                 }
4338         }
4339
4340         /*
4341                 Drawing begins
4342         */
4343         const video::SColor &skycolor = sky->getSkyColor();
4344
4345         TimeTaker tt_draw("mainloop: draw");
4346         driver->beginScene(true, true, skycolor);
4347
4348         bool draw_wield_tool = (flags.show_hud &&
4349                         (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
4350                         (camera->getCameraMode() == CAMERA_MODE_FIRST));
4351         bool draw_crosshair = (
4352                         (player->hud_flags & HUD_FLAG_CROSSHAIR_VISIBLE) &&
4353                         (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT));
4354 #ifdef HAVE_TOUCHSCREENGUI
4355         try {
4356                 draw_crosshair = !g_settings->getBool("touchtarget");
4357         } catch (SettingNotFoundException) {
4358         }
4359 #endif
4360         RenderingEngine::draw_scene(skycolor, flags.show_hud, flags.show_minimap,
4361                         draw_wield_tool, draw_crosshair);
4362
4363         /*
4364                 Profiler graph
4365         */
4366         if (flags.show_profiler_graph)
4367                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4368
4369         /*
4370                 Damage flash
4371         */
4372         if (runData.damage_flash > 0.0) {
4373                 video::SColor color(runData.damage_flash, 180, 0, 0);
4374                 driver->draw2DRectangle(color,
4375                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4376                                         NULL);
4377
4378                 runData.damage_flash -= 100.0 * dtime;
4379         }
4380
4381         /*
4382                 Damage camera tilt
4383         */
4384         if (player->hurt_tilt_timer > 0.0) {
4385                 player->hurt_tilt_timer -= dtime * 5;
4386
4387                 if (player->hurt_tilt_timer < 0)
4388                         player->hurt_tilt_strength = 0;
4389         }
4390
4391         /*
4392                 Update minimap pos and rotation
4393         */
4394         if (mapper && flags.show_minimap && flags.show_hud) {
4395                 mapper->setPos(floatToInt(player->getPosition(), BS));
4396                 mapper->setAngle(player->getYaw());
4397         }
4398
4399         /*
4400                 End scene
4401         */
4402         driver->endScene();
4403
4404         stats->drawtime = tt_draw.stop(true);
4405         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4406 }
4407
4408
4409 inline static const char *yawToDirectionString(int yaw)
4410 {
4411         static const char *direction[4] = {"N +Z", "W -X", "S -Z", "E +X"};
4412
4413         yaw = wrapDegrees_0_360(yaw);
4414         yaw = (yaw + 45) % 360 / 90;
4415
4416         return direction[yaw];
4417 }
4418
4419
4420 void Game::updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam)
4421 {
4422         v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
4423         LocalPlayer *player = client->getEnv().getLocalPlayer();
4424         v3f player_position = player->getPosition();
4425
4426         if (flags.show_debug) {
4427                 static float drawtime_avg = 0;
4428                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4429                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4430
4431                 std::ostringstream os(std::ios_base::binary);
4432                 os << std::fixed
4433                         << PROJECT_NAME_C " " << g_version_hash
4434                         << ", FPS: " << fps
4435                         << std::setprecision(0)
4436                         << ", drawtime: " << drawtime_avg << "ms"
4437                         << std::setprecision(1)
4438                         << ", dtime jitter: "
4439                         << (stats.dtime_jitter.max_fraction * 100.0) << "%"
4440                         << std::setprecision(1)
4441                         << ", view range: "
4442                         << (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
4443                         << std::setprecision(3)
4444                         << ", RTT: " << client->getRTT() << "s";
4445                 setStaticText(guitext, utf8_to_wide(os.str()).c_str());
4446                 guitext->setVisible(true);
4447         } else {
4448                 guitext->setVisible(false);
4449         }
4450
4451         if (guitext->isVisible()) {
4452                 core::rect<s32> rect(
4453                                 5,              5,
4454                                 screensize.X,   5 + g_fontengine->getTextHeight()
4455                 );
4456                 guitext->setRelativePosition(rect);
4457         }
4458
4459         if (flags.show_debug) {
4460                 std::ostringstream os(std::ios_base::binary);
4461                 os << std::setprecision(1) << std::fixed
4462                         << "pos: (" << (player_position.X / BS)
4463                         << ", " << (player_position.Y / BS)
4464                         << ", " << (player_position.Z / BS)
4465                         << "), yaw: " << (wrapDegrees_0_360(cam.camera_yaw)) << "° "
4466                         << yawToDirectionString(cam.camera_yaw)
4467                         << ", seed: " << ((u64)client->getMapSeed());
4468
4469                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4470                         ClientMap &map = client->getEnv().getClientMap();
4471                         const INodeDefManager *nodedef = client->getNodeDefManager();
4472                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4473
4474                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4475                                 os << ", pointed: " << nodedef->get(n).name
4476                                         << ", param2: " << (u64) n.getParam2();
4477                         }
4478                 }
4479
4480                 setStaticText(guitext2, utf8_to_wide(os.str()).c_str());
4481                 guitext2->setVisible(true);
4482         } else {
4483                 guitext2->setVisible(false);
4484         }
4485
4486         if (guitext2->isVisible()) {
4487                 core::rect<s32> rect(
4488                                 5,             5 + g_fontengine->getTextHeight(),
4489                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4490                 );
4491                 guitext2->setRelativePosition(rect);
4492         }
4493
4494         setStaticText(guitext_info, translate_string(infotext).c_str());
4495         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4496
4497         float statustext_time_max = 1.5;
4498
4499         if (!m_statustext.empty()) {
4500                 runData.statustext_time += dtime;
4501
4502                 if (runData.statustext_time >= statustext_time_max) {
4503                         m_statustext = L"";
4504                         runData.statustext_time = 0;
4505                 }
4506         }
4507
4508         setStaticText(guitext_status, translate_string(m_statustext).c_str());
4509         guitext_status->setVisible(!m_statustext.empty());
4510
4511         if (!m_statustext.empty()) {
4512                 s32 status_width  = guitext_status->getTextWidth();
4513                 s32 status_height = guitext_status->getTextHeight();
4514                 s32 status_y = screensize.Y - 150;
4515                 s32 status_x = (screensize.X - status_width) / 2;
4516                 core::rect<s32> rect(
4517                                 status_x , status_y - status_height,
4518                                 status_x + status_width, status_y
4519                 );
4520                 guitext_status->setRelativePosition(rect);
4521
4522                 // Fade out
4523                 video::SColor initial_color(255, 0, 0, 0);
4524
4525                 if (guienv->getSkin())
4526                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4527
4528                 video::SColor final_color = initial_color;
4529                 final_color.setAlpha(0);
4530                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4531                                 initial_color, final_color,
4532                                 pow(runData.statustext_time / statustext_time_max, 2.0f));
4533                 guitext_status->setOverrideColor(fade_color);
4534                 guitext_status->enableOverrideColor(true);
4535         }
4536 }
4537
4538
4539 /* Log times and stuff for visualization */
4540 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4541 {
4542         Profiler::GraphValues values;
4543         g_profiler->graphGet(values);
4544         graph->put(values);
4545 }
4546
4547
4548
4549 /****************************************************************************
4550  Misc
4551  ****************************************************************************/
4552
4553 /* On some computers framerate doesn't seem to be automatically limited
4554  */
4555 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4556 {
4557         // not using getRealTime is necessary for wine
4558         device->getTimer()->tick(); // Maker sure device time is up-to-date
4559         u32 time = device->getTimer()->getTime();
4560         u32 last_time = fps_timings->last_time;
4561
4562         if (time > last_time)  // Make sure time hasn't overflowed
4563                 fps_timings->busy_time = time - last_time;
4564         else
4565                 fps_timings->busy_time = 0;
4566
4567         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4568                         ? g_settings->getFloat("pause_fps_max")
4569                         : g_settings->getFloat("fps_max"));
4570
4571         if (fps_timings->busy_time < frametime_min) {
4572                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4573                 device->sleep(fps_timings->sleep_time);
4574         } else {
4575                 fps_timings->sleep_time = 0;
4576         }
4577
4578         /* Get the new value of the device timer. Note that device->sleep() may
4579          * not sleep for the entire requested time as sleep may be interrupted and
4580          * therefore it is arguably more accurate to get the new time from the
4581          * device rather than calculating it by adding sleep_time to time.
4582          */
4583
4584         device->getTimer()->tick(); // Update device timer
4585         time = device->getTimer()->getTime();
4586
4587         if (time > last_time)  // Make sure last_time hasn't overflowed
4588                 *dtime = (time - last_time) / 1000.0;
4589         else
4590                 *dtime = 0;
4591
4592         fps_timings->last_time = time;
4593 }
4594
4595 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
4596 {
4597         const wchar_t *wmsg = wgettext(msg);
4598         RenderingEngine::draw_load_screen(wmsg, guienv, texture_src, dtime, percent,
4599                 draw_clouds);
4600         delete[] wmsg;
4601 }
4602
4603 void Game::showStatusTextSimple(const char *msg)
4604 {
4605         const wchar_t *wmsg = wgettext(msg);
4606         m_statustext = wmsg;
4607         delete[] wmsg;
4608 }
4609
4610 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4611 {
4612         ((Game *)data)->readSettings();
4613 }
4614
4615 void Game::readSettings()
4616 {
4617         m_cache_doubletap_jump               = g_settings->getBool("doubletap_jump");
4618         m_cache_enable_clouds                = g_settings->getBool("enable_clouds");
4619         m_cache_enable_joysticks             = g_settings->getBool("enable_joysticks");
4620         m_cache_enable_particles             = g_settings->getBool("enable_particles");
4621         m_cache_enable_fog                   = g_settings->getBool("enable_fog");
4622         m_cache_mouse_sensitivity            = g_settings->getFloat("mouse_sensitivity");
4623         m_cache_joystick_frustum_sensitivity = g_settings->getFloat("joystick_frustum_sensitivity");
4624         m_repeat_right_click_time            = g_settings->getFloat("repeat_rightclick_time");
4625
4626         m_cache_enable_noclip                = g_settings->getBool("noclip");
4627         m_cache_enable_free_move             = g_settings->getBool("free_move");
4628
4629         m_cache_fog_start                    = g_settings->getFloat("fog_start");
4630
4631         m_cache_cam_smoothing = 0;
4632         if (g_settings->getBool("cinematic"))
4633                 m_cache_cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
4634         else
4635                 m_cache_cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
4636
4637         m_cache_fog_start = rangelim(m_cache_fog_start, 0.0f, 0.99f);
4638         m_cache_cam_smoothing = rangelim(m_cache_cam_smoothing, 0.01f, 1.0f);
4639         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4640
4641 }
4642
4643 /****************************************************************************/
4644 /****************************************************************************
4645  Shutdown / cleanup
4646  ****************************************************************************/
4647 /****************************************************************************/
4648
4649 void Game::extendedResourceCleanup()
4650 {
4651         // Extended resource accounting
4652         infostream << "Irrlicht resources after cleanup:" << std::endl;
4653         infostream << "\tRemaining meshes   : "
4654                    << RenderingEngine::get_mesh_cache()->getMeshCount() << std::endl;
4655         infostream << "\tRemaining textures : "
4656                    << driver->getTextureCount() << std::endl;
4657
4658         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4659                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4660                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4661                            << std::endl;
4662         }
4663
4664         clearTextureNameCache();
4665         infostream << "\tRemaining materials: "
4666                << driver-> getMaterialRendererCount()
4667                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4668 }
4669
4670 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
4671 void Game::showPauseMenu()
4672 {
4673 #ifdef __ANDROID__
4674         static const std::string control_text = strgettext("Default Controls:\n"
4675                 "No menu visible:\n"
4676                 "- single tap: button activate\n"
4677                 "- double tap: place/use\n"
4678                 "- slide finger: look around\n"
4679                 "Menu/Inventory visible:\n"
4680                 "- double tap (outside):\n"
4681                 " -->close\n"
4682                 "- touch stack, touch slot:\n"
4683                 " --> move stack\n"
4684                 "- touch&drag, tap 2nd finger\n"
4685                 " --> place single item to slot\n"
4686                 );
4687 #else
4688         static const std::string control_text_template = strgettext("Controls:\n"
4689                 "- %s: move forwards\n"
4690                 "- %s: move backwards\n"
4691                 "- %s: move left\n"
4692                 "- %s: move right\n"
4693                 "- %s: jump/climb\n"
4694                 "- %s: sneak/go down\n"
4695                 "- %s: drop item\n"
4696                 "- %s: inventory\n"
4697                 "- Mouse: turn/look\n"
4698                 "- Mouse left: dig/punch\n"
4699                 "- Mouse right: place/use\n"
4700                 "- Mouse wheel: select item\n"
4701                 "- %s: chat\n"
4702         );
4703
4704          char control_text_buf[600];
4705
4706          snprintf(control_text_buf, ARRLEN(control_text_buf), control_text_template.c_str(),
4707                         GET_KEY_NAME(keymap_forward),
4708                         GET_KEY_NAME(keymap_backward),
4709                         GET_KEY_NAME(keymap_left),
4710                         GET_KEY_NAME(keymap_right),
4711                         GET_KEY_NAME(keymap_jump),
4712                         GET_KEY_NAME(keymap_sneak),
4713                         GET_KEY_NAME(keymap_drop),
4714                         GET_KEY_NAME(keymap_inventory),
4715                         GET_KEY_NAME(keymap_chat)
4716                         );
4717
4718         std::string control_text = std::string(control_text_buf);
4719         str_formspec_escape(control_text);
4720 #endif
4721
4722         float ypos = simple_singleplayer_mode ? 0.7f : 0.1f;
4723         std::ostringstream os;
4724
4725         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
4726                 << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
4727                 << strgettext("Continue") << "]";
4728
4729         if (!simple_singleplayer_mode) {
4730                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
4731                         << strgettext("Change Password") << "]";
4732         } else {
4733                 os << "field[4.95,0;5,1.5;;" << strgettext("Game paused") << ";]";
4734         }
4735
4736 #ifndef __ANDROID__
4737         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
4738                 << strgettext("Sound Volume") << "]";
4739         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
4740                 << strgettext("Change Keys")  << "]";
4741 #endif
4742         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
4743                 << strgettext("Exit to Menu") << "]";
4744         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
4745                 << strgettext("Exit to OS")   << "]"
4746                 << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
4747                 << "textarea[0.4,0.25;3.9,6.25;;" << PROJECT_NAME_C " " VERSION_STRING "\n"
4748                 << "\n"
4749                 <<  strgettext("Game info:") << "\n";
4750         const std::string &address = client->getAddressName();
4751         static const std::string mode = strgettext("- Mode: ");
4752         if (!simple_singleplayer_mode) {
4753                 Address serverAddress = client->getServerAddress();
4754                 if (!address.empty()) {
4755                         os << mode << strgettext("Remote server") << "\n"
4756                                         << strgettext("- Address: ") << address;
4757                 } else {
4758                         os << mode << strgettext("Hosting server");
4759                 }
4760                 os << "\n" << strgettext("- Port: ") << serverAddress.getPort() << "\n";
4761         } else {
4762                 os << mode << strgettext("Singleplayer") << "\n";
4763         }
4764         if (simple_singleplayer_mode || address.empty()) {
4765                 static const std::string on = strgettext("On");
4766                 static const std::string off = strgettext("Off");
4767                 const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
4768                 const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
4769                 const std::string &announced = g_settings->getBool("server_announce") ? on : off;
4770                 os << strgettext("- Damage: ") << damage << "\n"
4771                                 << strgettext("- Creative Mode: ") << creative << "\n";
4772                 if (!simple_singleplayer_mode) {
4773                         const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
4774                         os << strgettext("- PvP: ") << pvp << "\n"
4775                                         << strgettext("- Public: ") << announced << "\n";
4776                         std::string server_name = g_settings->get("server_name");
4777                         str_formspec_escape(server_name);
4778                         if (announced == on && !server_name.empty())
4779                                 os << strgettext("- Server Name: ") << server_name;
4780
4781                 }
4782         }
4783         os << ";]";
4784
4785         /* Create menu */
4786         /* Note: FormspecFormSource and LocalFormspecHandler  *
4787          * are deleted by guiFormSpecMenu                     */
4788         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
4789         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
4790
4791         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
4792         current_formspec->setFocus("btn_continue");
4793         current_formspec->doPause = true;
4794 }
4795
4796 /****************************************************************************/
4797 /****************************************************************************
4798  extern function for launching the game
4799  ****************************************************************************/
4800 /****************************************************************************/
4801
4802 void the_game(bool *kill,
4803                 bool random_input,
4804                 InputHandler *input,
4805                 const std::string &map_dir,
4806                 const std::string &playername,
4807                 const std::string &password,
4808                 const std::string &address,         // If empty local server is created
4809                 u16 port,
4810
4811                 std::string &error_message,
4812                 ChatBackend &chat_backend,
4813                 bool *reconnect_requested,
4814                 const SubgameSpec &gamespec,        // Used for local game
4815                 bool simple_singleplayer_mode)
4816 {
4817         Game game;
4818
4819         /* Make a copy of the server address because if a local singleplayer server
4820          * is created then this is updated and we don't want to change the value
4821          * passed to us by the calling function
4822          */
4823         std::string server_address = address;
4824
4825         try {
4826
4827                 if (game.startup(kill, random_input, input, map_dir,
4828                                 playername, password, &server_address, port, error_message,
4829                                 reconnect_requested, &chat_backend, gamespec,
4830                                 simple_singleplayer_mode)) {
4831                         game.run();
4832                         game.shutdown();
4833                 }
4834
4835         } catch (SerializationError &e) {
4836                 error_message = std::string("A serialization error occurred:\n")
4837                                 + e.what() + "\n\nThe server is probably "
4838                                 " running a different version of " PROJECT_NAME_C ".";
4839                 errorstream << error_message << std::endl;
4840         } catch (ServerError &e) {
4841                 error_message = e.what();
4842                 errorstream << "ServerError: " << error_message << std::endl;
4843         } catch (ModError &e) {
4844                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4845                 errorstream << "ModError: " << error_message << std::endl;
4846         }
4847 }