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 "client/renderingengine.h"
  24 #include "camera.h"
  25 #include "client.h"
  26 #include "client/inputhandler.h"
  27 #include "client/tile.h"     // For TextureSource
  28 #include "client/keys.h"
  29 #include "client/joystick_controller.h"
  30 #include "clientmap.h"
  31 #include "clouds.h"
  32 #include "config.h"
  33 #include "content_cao.h"
  34 #include "event_manager.h"
  35 #include "fontengine.h"
  36 #include "itemdef.h"
  37 #include "log.h"
  38 #include "filesys.h"
  39 #include "gettext.h"
  40 #include "guiChatConsole.h"
  41 #include "guiFormSpecMenu.h"
  42 #include "guiKeyChangeMenu.h"
  43 #include "guiPasswordChange.h"
  44 #include "guiVolumeChange.h"
  45 #include "mainmenumanager.h"
  46 #include "mapblock.h"
  47 #include "minimap.h"
  48 #include "nodedef.h"         // Needed for determining pointing to nodes
  49 #include "nodemetadata.h"
  50 #include "particles.h"
  51 #include "profiler.h"
  52 #include "quicktune_shortcutter.h"
  53 #include "server.h"
  54 #include "settings.h"
  55 #include "sky.h"
  56 #include "subgame.h"
  57 #include "tool.h"
  58 #include "util/basic_macros.h"
  59 #include "util/directiontables.h"
  60 #include "util/pointedthing.h"
  61 #include "irrlicht_changes/static_text.h"
  62 #include "version.h"
  63 #include "script/scripting_client.h"
  64
  65 #if USE_SOUND
  66         #include "sound_openal.h"
  67 #endif
  68
  69 extern Settings *g_settings;
  70 extern Profiler *g_profiler;
  71
  72 /*
  73         Text input system
  74 */
  75
  76 struct TextDestNodeMetadata : public TextDest
  77 {
  78         TextDestNodeMetadata(v3s16 p, Client *client)
  79         {
  80                 m_p = p;
  81                 m_client = client;
  82         }
  83         // This is deprecated I guess? -celeron55
  84         void gotText(const std::wstring &text)
  85         {
  86                 std::string ntext = wide_to_utf8(text);
  87                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  88                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  89                 StringMap fields;
  90                 fields["text"] = ntext;
  91                 m_client->sendNodemetaFields(m_p, "", fields);
  92         }
  93         void gotText(const StringMap &fields)
  94         {
  95                 m_client->sendNodemetaFields(m_p, "", fields);
  96         }
  97
  98         v3s16 m_p;
  99         Client *m_client;
 100 };
 101
 102 struct TextDestPlayerInventory : public TextDest
 103 {
 104         TextDestPlayerInventory(Client *client)
 105         {
 106                 m_client = client;
 107                 m_formname = "";
 108         }
 109         TextDestPlayerInventory(Client *client, const std::string &formname)
 110         {
 111                 m_client = client;
 112                 m_formname = formname;
 113         }
 114         void gotText(const StringMap &fields)
 115         {
 116                 m_client->sendInventoryFields(m_formname, fields);
 117         }
 118
 119         Client *m_client;
 120 };
 121
 122 struct LocalFormspecHandler : public TextDest
 123 {
 124         LocalFormspecHandler(const std::string &formname):
 125                 m_client(NULL)
 126         {
 127                 m_formname = formname;
 128         }
 129
 130         LocalFormspecHandler(const std::string &formname, Client *client):
 131                 m_client(client)
 132         {
 133                 m_formname = formname;
 134         }
 135
 136         void gotText(const StringMap &fields)
 137         {
 138                 if (m_formname == "MT_PAUSE_MENU") {
 139                         if (fields.find("btn_sound") != fields.end()) {
 140                                 g_gamecallback->changeVolume();
 141                                 return;
 142                         }
 143
 144                         if (fields.find("btn_key_config") != fields.end()) {
 145                                 g_gamecallback->keyConfig();
 146                                 return;
 147                         }
 148
 149                         if (fields.find("btn_exit_menu") != fields.end()) {
 150                                 g_gamecallback->disconnect();
 151                                 return;
 152                         }
 153
 154                         if (fields.find("btn_exit_os") != fields.end()) {
 155                                 g_gamecallback->exitToOS();
 156 #ifndef __ANDROID__
 157                                 RenderingEngine::get_raw_device()->closeDevice();
 158 #endif
 159                                 return;
 160                         }
 161
 162                         if (fields.find("btn_change_password") != fields.end()) {
 163                                 g_gamecallback->changePassword();
 164                                 return;
 165                         }
 166
 167                         if (fields.find("quit") != fields.end()) {
 168                                 return;
 169                         }
 170
 171                         if (fields.find("btn_continue") != fields.end()) {
 172                                 return;
 173                         }
 174                 }
 175
 176                 // Don't disable this part when modding is disabled, it's used in builtin
 177                 m_client->getScript()->on_formspec_input(m_formname, fields);
 178         }
 179
 180         Client *m_client;
 181 };
 182
 183 /* Form update callback */
 184
 185 class NodeMetadataFormSource: public IFormSource
 186 {
 187 public:
 188         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 189                 m_map(map),
 190                 m_p(p)
 191         {
 192         }
 193         std::string getForm()
 194         {
 195                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 196
 197                 if (!meta)
 198                         return "";
 199
 200                 return meta->getString("formspec");
 201         }
 202
 203         virtual std::string resolveText(const std::string &str)
 204         {
 205                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 206
 207                 if (!meta)
 208                         return str;
 209
 210                 return meta->resolveString(str);
 211         }
 212
 213         ClientMap *m_map;
 214         v3s16 m_p;
 215 };
 216
 217 class PlayerInventoryFormSource: public IFormSource
 218 {
 219 public:
 220         PlayerInventoryFormSource(Client *client):
 221                 m_client(client)
 222         {
 223         }
 224         std::string getForm()
 225         {
 226                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 227                 return player->inventory_formspec;
 228         }
 229
 230         Client *m_client;
 231 };
 232
 233 /* Profiler display */
 234
 235 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
 236                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
 237 {
 238         if (show_profiler == 0) {
 239                 guitext_profiler->setVisible(false);
 240         } else {
 241
 242                 std::ostringstream os(std::ios_base::binary);
 243                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 244                 std::wstring text = utf8_to_wide(os.str());
 245                 setStaticText(guitext_profiler, text.c_str());
 246                 guitext_profiler->setVisible(true);
 247
 248                 s32 w = fe->getTextWidth(text.c_str());
 249
 250                 if (w < 400)
 251                         w = 400;
 252
 253                 unsigned text_height = fe->getTextHeight();
 254
 255                 core::position2di upper_left, lower_right;
 256
 257                 upper_left.X  = 6;
 258                 upper_left.Y  = (text_height + 5) * 2;
 259                 lower_right.X = 12 + w;
 260                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
 261
 262                 if (lower_right.Y > screen_height * 2 / 3)
 263                         lower_right.Y = screen_height * 2 / 3;
 264
 265                 core::rect<s32> rect(upper_left, lower_right);
 266
 267                 guitext_profiler->setRelativePosition(rect);
 268                 guitext_profiler->setVisible(true);
 269         }
 270 }
 271
 272 class ProfilerGraph
 273 {
 274 private:
 275         struct Piece {
 276                 Profiler::GraphValues values;
 277         };
 278         struct Meta {
 279                 float min;
 280                 float max;
 281                 video::SColor color;
 282                 Meta(float initial = 0,
 283                         video::SColor color = video::SColor(255, 255, 255, 255)):
 284                         min(initial),
 285                         max(initial),
 286                         color(color)
 287                 {}
 288         };
 289         std::deque<Piece> m_log;
 290 public:
 291         u32 m_log_max_size;
 292
 293         ProfilerGraph():
 294                 m_log_max_size(200)
 295         {}
 296
 297         void put(const Profiler::GraphValues &values)
 298         {
 299                 Piece piece;
 300                 piece.values = values;
 301                 m_log.push_back(piece);
 302
 303                 while (m_log.size() > m_log_max_size)
 304                         m_log.erase(m_log.begin());
 305         }
 306
 307         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 308                   gui::IGUIFont *font) const
 309         {
 310                 // Do *not* use UNORDERED_MAP here as the order needs
 311                 // to be the same for each call to prevent flickering
 312                 std::map<std::string, Meta> m_meta;
 313
 314                 for (std::deque<Piece>::const_iterator k = m_log.begin();
 315                                 k != m_log.end(); ++k) {
 316                         const Piece &piece = *k;
 317
 318                         for (Profiler::GraphValues::const_iterator i = piece.values.begin();
 319                                         i != piece.values.end(); ++i) {
 320                                 const std::string &id = i->first;
 321                                 const float &value = i->second;
 322                                 std::map<std::string, Meta>::iterator j = m_meta.find(id);
 323
 324                                 if (j == m_meta.end()) {
 325                                         m_meta[id] = Meta(value);
 326                                         continue;
 327                                 }
 328
 329                                 if (value < j->second.min)
 330                                         j->second.min = value;
 331
 332                                 if (value > j->second.max)
 333                                         j->second.max = value;
 334                         }
 335                 }
 336
 337                 // Assign colors
 338                 static const video::SColor usable_colors[] = {
 339                         video::SColor(255, 255, 100, 100),
 340                         video::SColor(255, 90, 225, 90),
 341                         video::SColor(255, 100, 100, 255),
 342                         video::SColor(255, 255, 150, 50),
 343                         video::SColor(255, 220, 220, 100)
 344                 };
 345                 static const u32 usable_colors_count =
 346                         sizeof(usable_colors) / sizeof(*usable_colors);
 347                 u32 next_color_i = 0;
 348
 349                 for (std::map<std::string, Meta>::iterator i = m_meta.begin();
 350                                 i != m_meta.end(); ++i) {
 351                         Meta &meta = i->second;
 352                         video::SColor color(255, 200, 200, 200);
 353
 354                         if (next_color_i < usable_colors_count)
 355                                 color = usable_colors[next_color_i++];
 356
 357                         meta.color = color;
 358                 }
 359
 360                 s32 graphh = 50;
 361                 s32 textx = x_left + m_log_max_size + 15;
 362                 s32 textx2 = textx + 200 - 15;
 363                 s32 meta_i = 0;
 364
 365                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 366                                 i != m_meta.end(); ++i) {
 367                         const std::string &id = i->first;
 368                         const Meta &meta = i->second;
 369                         s32 x = x_left;
 370                         s32 y = y_bottom - meta_i * 50;
 371                         float show_min = meta.min;
 372                         float show_max = meta.max;
 373
 374                         if (show_min >= -0.0001 && show_max >= -0.0001) {
 375                                 if (show_min <= show_max * 0.5)
 376                                         show_min = 0;
 377                         }
 378
 379                         s32 texth = 15;
 380                         char buf[10];
 381                         snprintf(buf, 10, "%.3g", show_max);
 382                         font->draw(utf8_to_wide(buf).c_str(),
 383                                         core::rect<s32>(textx, y - graphh,
 384                                                    textx2, y - graphh + texth),
 385                                         meta.color);
 386                         snprintf(buf, 10, "%.3g", show_min);
 387                         font->draw(utf8_to_wide(buf).c_str(),
 388                                         core::rect<s32>(textx, y - texth,
 389                                                    textx2, y),
 390                                         meta.color);
 391                         font->draw(utf8_to_wide(id).c_str(),
 392                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
 393                                                    textx2, y - graphh / 2 + texth / 2),
 394                                         meta.color);
 395                         s32 graph1y = y;
 396                         s32 graph1h = graphh;
 397                         bool relativegraph = (show_min != 0 && show_min != show_max);
 398                         float lastscaledvalue = 0.0;
 399                         bool lastscaledvalue_exists = false;
 400
 401                         for (std::deque<Piece>::const_iterator j = m_log.begin();
 402                                         j != m_log.end(); ++j) {
 403                                 const Piece &piece = *j;
 404                                 float value = 0;
 405                                 bool value_exists = false;
 406                                 Profiler::GraphValues::const_iterator k =
 407                                         piece.values.find(id);
 408
 409                                 if (k != piece.values.end()) {
 410                                         value = k->second;
 411                                         value_exists = true;
 412                                 }
 413
 414                                 if (!value_exists) {
 415                                         x++;
 416                                         lastscaledvalue_exists = false;
 417                                         continue;
 418                                 }
 419
 420                                 float scaledvalue = 1.0;
 421
 422                                 if (show_max != show_min)
 423                                         scaledvalue = (value - show_min) / (show_max - show_min);
 424
 425                                 if (scaledvalue == 1.0 && value == 0) {
 426                                         x++;
 427                                         lastscaledvalue_exists = false;
 428                                         continue;
 429                                 }
 430
 431                                 if (relativegraph) {
 432                                         if (lastscaledvalue_exists) {
 433                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 434                                                 s32 ivalue2 = scaledvalue * graph1h;
 435                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
 436                                                                    v2s32(x, graph1y - ivalue2), meta.color);
 437                                         }
 438
 439                                         lastscaledvalue = scaledvalue;
 440                                         lastscaledvalue_exists = true;
 441                                 } else {
 442                                         s32 ivalue = scaledvalue * graph1h;
 443                                         driver->draw2DLine(v2s32(x, graph1y),
 444                                                            v2s32(x, graph1y - ivalue), meta.color);
 445                                 }
 446
 447                                 x++;
 448                         }
 449
 450                         meta_i++;
 451                 }
 452         }
 453 };
 454
 455 class NodeDugEvent: public MtEvent
 456 {
 457 public:
 458         v3s16 p;
 459         MapNode n;
 460
 461         NodeDugEvent(v3s16 p, MapNode n):
 462                 p(p),
 463                 n(n)
 464         {}
 465         const char *getType() const
 466         {
 467                 return "NodeDug";
 468         }
 469 };
 470
 471 class SoundMaker
 472 {
 473         ISoundManager *m_sound;
 474         INodeDefManager *m_ndef;
 475 public:
 476         bool makes_footstep_sound;
 477         float m_player_step_timer;
 478
 479         SimpleSoundSpec m_player_step_sound;
 480         SimpleSoundSpec m_player_leftpunch_sound;
 481         SimpleSoundSpec m_player_rightpunch_sound;
 482
 483         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 484                 m_sound(sound),
 485                 m_ndef(ndef),
 486                 makes_footstep_sound(true),
 487                 m_player_step_timer(0)
 488         {
 489         }
 490
 491         void playPlayerStep()
 492         {
 493                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 494                         m_player_step_timer = 0.03;
 495                         if (makes_footstep_sound)
 496                                 m_sound->playSound(m_player_step_sound, false);
 497                 }
 498         }
 499
 500         static void viewBobbingStep(MtEvent *e, void *data)
 501         {
 502                 SoundMaker *sm = (SoundMaker *)data;
 503                 sm->playPlayerStep();
 504         }
 505
 506         static void playerRegainGround(MtEvent *e, void *data)
 507         {
 508                 SoundMaker *sm = (SoundMaker *)data;
 509                 sm->playPlayerStep();
 510         }
 511
 512         static void playerJump(MtEvent *e, void *data)
 513         {
 514                 //SoundMaker *sm = (SoundMaker*)data;
 515         }
 516
 517         static void cameraPunchLeft(MtEvent *e, void *data)
 518         {
 519                 SoundMaker *sm = (SoundMaker *)data;
 520                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 521         }
 522
 523         static void cameraPunchRight(MtEvent *e, void *data)
 524         {
 525                 SoundMaker *sm = (SoundMaker *)data;
 526                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 527         }
 528
 529         static void nodeDug(MtEvent *e, void *data)
 530         {
 531                 SoundMaker *sm = (SoundMaker *)data;
 532                 NodeDugEvent *nde = (NodeDugEvent *)e;
 533                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 534         }
 535
 536         static void playerDamage(MtEvent *e, void *data)
 537         {
 538                 SoundMaker *sm = (SoundMaker *)data;
 539                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 540         }
 541
 542         static void playerFallingDamage(MtEvent *e, void *data)
 543         {
 544                 SoundMaker *sm = (SoundMaker *)data;
 545                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 546         }
 547
 548         void registerReceiver(MtEventManager *mgr)
 549         {
 550                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 551                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 552                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 553                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 554                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 555                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 556                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 557                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 558         }
 559
 560         void step(float dtime)
 561         {
 562                 m_player_step_timer -= dtime;
 563         }
 564 };
 565
 566 // Locally stored sounds don't need to be preloaded because of this
 567 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 568 {
 569         std::set<std::string> m_fetched;
 570 private:
 571         void paths_insert(std::set<std::string> &dst_paths,
 572                 const std::string &base,
 573                 const std::string &name)
 574         {
 575                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".ogg");
 576                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".0.ogg");
 577                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".1.ogg");
 578                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".2.ogg");
 579                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".3.ogg");
 580                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".4.ogg");
 581                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".5.ogg");
 582                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".6.ogg");
 583                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".7.ogg");
 584                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".8.ogg");
 585                 dst_paths.insert(base + DIR_DELIM + "sounds" + DIR_DELIM + name + ".9.ogg");
 586         }
 587 public:
 588         void fetchSounds(const std::string &name,
 589                 std::set<std::string> &dst_paths,
 590                 std::set<std::string> &dst_datas)
 591         {
 592                 if (m_fetched.count(name))
 593                         return;
 594
 595                 m_fetched.insert(name);
 596
 597                 paths_insert(dst_paths, porting::path_share, name);
 598                 paths_insert(dst_paths, porting::path_user,  name);
 599         }
 600 };
 601
 602
 603 // before 1.8 there isn't a "integer interface", only float
 604 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 605 typedef f32 SamplerLayer_t;
 606 #else
 607 typedef s32 SamplerLayer_t;
 608 #endif
 609
 610
 611 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 612 {
 613         Sky *m_sky;
 614         bool *m_force_fog_off;
 615         f32 *m_fog_range;
 616         bool m_fog_enabled;
 617         CachedPixelShaderSetting<float, 4> m_sky_bg_color;
 618         CachedPixelShaderSetting<float> m_fog_distance;
 619         CachedVertexShaderSetting<float> m_animation_timer_vertex;
 620         CachedPixelShaderSetting<float> m_animation_timer_pixel;
 621         CachedPixelShaderSetting<float, 3> m_day_light;
 622         CachedPixelShaderSetting<float, 3> m_eye_position_pixel;
 623         CachedVertexShaderSetting<float, 3> m_eye_position_vertex;
 624         CachedPixelShaderSetting<float, 3> m_minimap_yaw;
 625         CachedPixelShaderSetting<SamplerLayer_t> m_base_texture;
 626         CachedPixelShaderSetting<SamplerLayer_t> m_normal_texture;
 627         CachedPixelShaderSetting<SamplerLayer_t> m_texture_flags;
 628         Client *m_client;
 629
 630 public:
 631         void onSettingsChange(const std::string &name)
 632         {
 633                 if (name == "enable_fog")
 634                         m_fog_enabled = g_settings->getBool("enable_fog");
 635         }
 636
 637         static void settingsCallback(const std::string &name, void *userdata)
 638         {
 639                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 640         }
 641
 642         void setSky(Sky *sky) { m_sky = sky; }
 643
 644         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 645                         f32 *fog_range, Client *client) :
 646                 m_sky(sky),
 647                 m_force_fog_off(force_fog_off),
 648                 m_fog_range(fog_range),
 649                 m_sky_bg_color("skyBgColor"),
 650                 m_fog_distance("fogDistance"),
 651                 m_animation_timer_vertex("animationTimer"),
 652                 m_animation_timer_pixel("animationTimer"),
 653                 m_day_light("dayLight"),
 654                 m_eye_position_pixel("eyePosition"),
 655                 m_eye_position_vertex("eyePosition"),
 656                 m_minimap_yaw("yawVec"),
 657                 m_base_texture("baseTexture"),
 658                 m_normal_texture("normalTexture"),
 659                 m_texture_flags("textureFlags"),
 660                 m_client(client)
 661         {
 662                 g_settings->registerChangedCallback("enable_fog", settingsCallback, this);
 663                 m_fog_enabled = g_settings->getBool("enable_fog");
 664         }
 665
 666         ~GameGlobalShaderConstantSetter()
 667         {
 668                 g_settings->deregisterChangedCallback("enable_fog", settingsCallback, this);
 669         }
 670
 671         virtual void onSetConstants(video::IMaterialRendererServices *services,
 672                         bool is_highlevel)
 673         {
 674                 if (!is_highlevel)
 675                         return;
 676
 677                 // Background color
 678                 video::SColor bgcolor = m_sky->getBgColor();
 679                 video::SColorf bgcolorf(bgcolor);
 680                 float bgcolorfa[4] = {
 681                         bgcolorf.r,
 682                         bgcolorf.g,
 683                         bgcolorf.b,
 684                         bgcolorf.a,
 685                 };
 686                 m_sky_bg_color.set(bgcolorfa, services);
 687
 688                 // Fog distance
 689                 float fog_distance = 10000 * BS;
 690
 691                 if (m_fog_enabled && !*m_force_fog_off)
 692                         fog_distance = *m_fog_range;
 693
 694                 m_fog_distance.set(&fog_distance, services);
 695
 696                 u32 daynight_ratio = (float)m_client->getEnv().getDayNightRatio();
 697                 video::SColorf sunlight;
 698                 get_sunlight_color(&sunlight, daynight_ratio);
 699                 float dnc[3] = {
 700                         sunlight.r,
 701                         sunlight.g,
 702                         sunlight.b };
 703                 m_day_light.set(dnc, services);
 704
 705                 u32 animation_timer = porting::getTimeMs() % 100000;
 706                 float animation_timer_f = (float)animation_timer / 100000.f;
 707                 m_animation_timer_vertex.set(&animation_timer_f, services);
 708                 m_animation_timer_pixel.set(&animation_timer_f, services);
 709
 710                 float eye_position_array[3];
 711                 v3f epos = m_client->getEnv().getLocalPlayer()->getEyePosition();
 712 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 713                 eye_position_array[0] = epos.X;
 714                 eye_position_array[1] = epos.Y;
 715                 eye_position_array[2] = epos.Z;
 716 #else
 717                 epos.getAs3Values(eye_position_array);
 718 #endif
 719                 m_eye_position_pixel.set(eye_position_array, services);
 720                 m_eye_position_vertex.set(eye_position_array, services);
 721
 722                 if (m_client->getMinimap()) {
 723                         float minimap_yaw_array[3];
 724                         v3f minimap_yaw = m_client->getMinimap()->getYawVec();
 725 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 726                         minimap_yaw_array[0] = minimap_yaw.X;
 727                         minimap_yaw_array[1] = minimap_yaw.Y;
 728                         minimap_yaw_array[2] = minimap_yaw.Z;
 729 #else
 730                         minimap_yaw.getAs3Values(minimap_yaw_array);
 731 #endif
 732                         m_minimap_yaw.set(minimap_yaw_array, services);
 733                 }
 734
 735                 SamplerLayer_t base_tex = 0,
 736                                 normal_tex = 1,
 737                                 flags_tex = 2;
 738                 m_base_texture.set(&base_tex, services);
 739                 m_normal_texture.set(&normal_tex, services);
 740                 m_texture_flags.set(&flags_tex, services);
 741         }
 742 };
 743
 744
 745 class GameGlobalShaderConstantSetterFactory : public IShaderConstantSetterFactory
 746 {
 747         Sky *m_sky;
 748         bool *m_force_fog_off;
 749         f32 *m_fog_range;
 750         Client *m_client;
 751         std::vector<GameGlobalShaderConstantSetter *> created_nosky;
 752 public:
 753         GameGlobalShaderConstantSetterFactory(bool *force_fog_off,
 754                         f32 *fog_range, Client *client) :
 755                 m_sky(NULL),
 756                 m_force_fog_off(force_fog_off),
 757                 m_fog_range(fog_range),
 758                 m_client(client)
 759         {}
 760
 761         void setSky(Sky *sky) {
 762                 m_sky = sky;
 763                 for (size_t i = 0; i < created_nosky.size(); ++i) {
 764                         created_nosky[i]->setSky(m_sky);
 765                 }
 766                 created_nosky.clear();
 767         }
 768
 769         virtual IShaderConstantSetter* create()
 770         {
 771                 GameGlobalShaderConstantSetter *scs = new GameGlobalShaderConstantSetter(
 772                                 m_sky, m_force_fog_off, m_fog_range, m_client);
 773                 if (!m_sky)
 774                         created_nosky.push_back(scs);
 775                 return scs;
 776         }
 777 };
 778
 779
 780 bool nodePlacementPrediction(Client &client, const ItemDefinition &playeritem_def,
 781         const ItemStack &playeritem, v3s16 nodepos, v3s16 neighbourpos)
 782 {
 783         std::string prediction = playeritem_def.node_placement_prediction;
 784         INodeDefManager *nodedef = client.ndef();
 785         ClientMap &map = client.getEnv().getClientMap();
 786         MapNode node;
 787         bool is_valid_position;
 788
 789         node = map.getNodeNoEx(nodepos, &is_valid_position);
 790         if (!is_valid_position)
 791                 return false;
 792
 793         if (prediction != "" && !nodedef->get(node).rightclickable) {
 794                 verbosestream << "Node placement prediction for "
 795                               << playeritem_def.name << " is "
 796                               << prediction << std::endl;
 797                 v3s16 p = neighbourpos;
 798
 799                 // Place inside node itself if buildable_to
 800                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
 801                 if (is_valid_position)
 802                 {
 803                         if (nodedef->get(n_under).buildable_to)
 804                                 p = nodepos;
 805                         else {
 806                                 node = map.getNodeNoEx(p, &is_valid_position);
 807                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
 808                                         return false;
 809                         }
 810                 }
 811
 812                 // Find id of predicted node
 813                 content_t id;
 814                 bool found = nodedef->getId(prediction, id);
 815
 816                 if (!found) {
 817                         errorstream << "Node placement prediction failed for "
 818                                     << playeritem_def.name << " (places "
 819                                     << prediction
 820                                     << ") - Name not known" << std::endl;
 821                         return false;
 822                 }
 823
 824                 const ContentFeatures &predicted_f = nodedef->get(id);
 825
 826                 // Predict param2 for facedir and wallmounted nodes
 827                 u8 param2 = 0;
 828
 829                 if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 830                                 predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED) {
 831                         v3s16 dir = nodepos - neighbourpos;
 832
 833                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
 834                                 param2 = dir.Y < 0 ? 1 : 0;
 835                         } else if (abs(dir.X) > abs(dir.Z)) {
 836                                 param2 = dir.X < 0 ? 3 : 2;
 837                         } else {
 838                                 param2 = dir.Z < 0 ? 5 : 4;
 839                         }
 840                 }
 841
 842                 if (predicted_f.param_type_2 == CPT2_FACEDIR ||
 843                                 predicted_f.param_type_2 == CPT2_COLORED_FACEDIR) {
 844                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 845
 846                         if (abs(dir.X) > abs(dir.Z)) {
 847                                 param2 = dir.X < 0 ? 3 : 1;
 848                         } else {
 849                                 param2 = dir.Z < 0 ? 2 : 0;
 850                         }
 851                 }
 852
 853                 assert(param2 <= 5);
 854
 855                 //Check attachment if node is in group attached_node
 856                 if (((ItemGroupList) predicted_f.groups)["attached_node"] != 0) {
 857                         static v3s16 wallmounted_dirs[8] = {
 858                                 v3s16(0, 1, 0),
 859                                 v3s16(0, -1, 0),
 860                                 v3s16(1, 0, 0),
 861                                 v3s16(-1, 0, 0),
 862                                 v3s16(0, 0, 1),
 863                                 v3s16(0, 0, -1),
 864                         };
 865                         v3s16 pp;
 866
 867                         if (predicted_f.param_type_2 == CPT2_WALLMOUNTED ||
 868                                         predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)
 869                                 pp = p + wallmounted_dirs[param2];
 870                         else
 871                                 pp = p + v3s16(0, -1, 0);
 872
 873                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
 874                                 return false;
 875                 }
 876
 877                 // Apply color
 878                 if ((predicted_f.param_type_2 == CPT2_COLOR
 879                                 || predicted_f.param_type_2 == CPT2_COLORED_FACEDIR
 880                                 || predicted_f.param_type_2 == CPT2_COLORED_WALLMOUNTED)) {
 881                         const std::string &indexstr = playeritem.metadata.getString(
 882                                 "palette_index", 0);
 883                         if (!indexstr.empty()) {
 884                                 s32 index = mystoi(indexstr);
 885                                 if (predicted_f.param_type_2 == CPT2_COLOR) {
 886                                         param2 = index;
 887                                 } else if (predicted_f.param_type_2
 888                                                 == CPT2_COLORED_WALLMOUNTED) {
 889                                         // param2 = pure palette index + other
 890                                         param2 = (index & 0xf8) | (param2 & 0x07);
 891                                 } else if (predicted_f.param_type_2
 892                                                 == CPT2_COLORED_FACEDIR) {
 893                                         // param2 = pure palette index + other
 894                                         param2 = (index & 0xe0) | (param2 & 0x1f);
 895                                 }
 896                         }
 897                 }
 898
 899                 // Add node to client map
 900                 MapNode n(id, 0, param2);
 901
 902                 try {
 903                         LocalPlayer *player = client.getEnv().getLocalPlayer();
 904
 905                         // Dont place node when player would be inside new node
 906                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 907                         if (!nodedef->get(n).walkable ||
 908                                         g_settings->getBool("enable_build_where_you_stand") ||
 909                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 910                                         (nodedef->get(n).walkable &&
 911                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
 912                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
 913
 914                                 // This triggers the required mesh update too
 915                                 client.addNode(p, n);
 916                                 return true;
 917                         }
 918                 } catch (InvalidPositionException &e) {
 919                         errorstream << "Node placement prediction failed for "
 920                                     << playeritem_def.name << " (places "
 921                                     << prediction
 922                                     << ") - Position not loaded" << std::endl;
 923                 }
 924         }
 925
 926         return false;
 927 }
 928
 929 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
 930                 Client *client, JoystickController *joystick,
 931                 IFormSource *fs_src, TextDest *txt_dest)
 932 {
 933
 934         if (*cur_formspec == 0) {
 935                 *cur_formspec = new GUIFormSpecMenu(joystick, guiroot, -1, &g_menumgr,
 936                         client, client->getTextureSource(), fs_src, txt_dest);
 937                 (*cur_formspec)->doPause = false;
 938
 939                 /*
 940                         Caution: do not call (*cur_formspec)->drop() here --
 941                         the reference might outlive the menu, so we will
 942                         periodically check if *cur_formspec is the only
 943                         remaining reference (i.e. the menu was removed)
 944                         and delete it in that case.
 945                 */
 946
 947         } else {
 948                 (*cur_formspec)->setFormSource(fs_src);
 949                 (*cur_formspec)->setTextDest(txt_dest);
 950         }
 951
 952 }
 953
 954 #ifdef __ANDROID__
 955 #define SIZE_TAG "size[11,5.5]"
 956 #else
 957 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
 958 #endif
 959
 960 /******************************************************************************/
 961 static void updateChat(Client &client, f32 dtime, bool show_debug,
 962                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
 963                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
 964 {
 965         // Add chat log output for errors to be shown in chat
 966         static LogOutputBuffer chat_log_error_buf(g_logger, LL_ERROR);
 967
 968         // Get new messages from error log buffer
 969         while (!chat_log_error_buf.empty()) {
 970                 std::wstring error_message = utf8_to_wide(chat_log_error_buf.get());
 971                 if (!g_settings->getBool("disable_escape_sequences")) {
 972                         error_message = L"\x1b(c@red)" + error_message + L"\x1b(c@white)";
 973                 }
 974                 chat_backend.addMessage(L"", error_message);
 975         }
 976
 977         // Get new messages from client
 978         std::wstring message;
 979
 980         while (client.getChatMessage(message)) {
 981                 chat_backend.addUnparsedMessage(message);
 982         }
 983
 984         // Remove old messages
 985         chat_backend.step(dtime);
 986
 987         // Display all messages in a static text element
 988         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
 989         EnrichedString recent_chat     = chat_backend.getRecentChat();
 990         unsigned int line_height       = g_fontengine->getLineHeight();
 991
 992         setStaticText(guitext_chat, recent_chat);
 993
 994         // Update gui element size and position
 995         s32 chat_y = 5;
 996
 997         if (show_debug)
 998                 chat_y += 2 * line_height;
 999
1000         // first pass to calculate height of text to be set
1001         const v2u32 &window_size = RenderingEngine::get_instance()->getWindowSize();
1002         s32 width = std::min(g_fontengine->getTextWidth(recent_chat.c_str()) + 10,
1003                         window_size.X - 20);
1004         core::rect<s32> rect(10, chat_y, width, chat_y + window_size.Y);
1005         guitext_chat->setRelativePosition(rect);
1006
1007         //now use real height of text and adjust rect according to this size
1008         rect = core::rect<s32>(10, chat_y, width,
1009                                chat_y + guitext_chat->getTextHeight());
1010
1011
1012         guitext_chat->setRelativePosition(rect);
1013         // Don't show chat if disabled or empty or profiler is enabled
1014         guitext_chat->setVisible(
1015                 show_chat && recent_chat_count != 0 && !show_profiler);
1016 }
1017
1018
1019 /****************************************************************************
1020  Fast key cache for main game loop
1021  ****************************************************************************/
1022
1023 /* This is faster than using getKeySetting with the tradeoff that functions
1024  * using it must make sure that it's initialised before using it and there is
1025  * no error handling (for example bounds checking). This is really intended for
1026  * use only in the main running loop of the client (the_game()) where the faster
1027  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1028  * (e.g. formspecs) should continue using getKeySetting().
1029  */
1030 struct KeyCache {
1031
1032         KeyCache()
1033         {
1034                 handler = NULL;
1035                 populate();
1036                 populate_nonchanging();
1037         }
1038
1039         void populate();
1040
1041         // Keys that are not settings dependent
1042         void populate_nonchanging();
1043
1044         KeyPress key[KeyType::INTERNAL_ENUM_COUNT];
1045         InputHandler *handler;
1046 };
1047
1048 void KeyCache::populate_nonchanging()
1049 {
1050         key[KeyType::ESC] = EscapeKey;
1051 }
1052
1053 void KeyCache::populate()
1054 {
1055         key[KeyType::FORWARD]      = getKeySetting("keymap_forward");
1056         key[KeyType::BACKWARD]     = getKeySetting("keymap_backward");
1057         key[KeyType::LEFT]         = getKeySetting("keymap_left");
1058         key[KeyType::RIGHT]        = getKeySetting("keymap_right");
1059         key[KeyType::JUMP]         = getKeySetting("keymap_jump");
1060         key[KeyType::SPECIAL1]     = getKeySetting("keymap_special1");
1061         key[KeyType::SNEAK]        = getKeySetting("keymap_sneak");
1062
1063         key[KeyType::AUTOFORWARD]  = getKeySetting("keymap_autoforward");
1064
1065         key[KeyType::DROP]         = getKeySetting("keymap_drop");
1066         key[KeyType::INVENTORY]    = getKeySetting("keymap_inventory");
1067         key[KeyType::CHAT]         = getKeySetting("keymap_chat");
1068         key[KeyType::CMD]          = getKeySetting("keymap_cmd");
1069         key[KeyType::CMD_LOCAL]    = getKeySetting("keymap_cmd_local");
1070         key[KeyType::CONSOLE]      = getKeySetting("keymap_console");
1071         key[KeyType::MINIMAP]      = getKeySetting("keymap_minimap");
1072         key[KeyType::FREEMOVE]     = getKeySetting("keymap_freemove");
1073         key[KeyType::FASTMOVE]     = getKeySetting("keymap_fastmove");
1074         key[KeyType::NOCLIP]       = getKeySetting("keymap_noclip");
1075         key[KeyType::HOTBAR_PREV]  = getKeySetting("keymap_hotbar_previous");
1076         key[KeyType::HOTBAR_NEXT]  = getKeySetting("keymap_hotbar_next");
1077         key[KeyType::MUTE]         = getKeySetting("keymap_mute");
1078         key[KeyType::INC_VOLUME]   = getKeySetting("keymap_increase_volume");
1079         key[KeyType::DEC_VOLUME]   = getKeySetting("keymap_decrease_volume");
1080         key[KeyType::CINEMATIC]    = getKeySetting("keymap_cinematic");
1081         key[KeyType::SCREENSHOT]   = getKeySetting("keymap_screenshot");
1082         key[KeyType::TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1083         key[KeyType::TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1084         key[KeyType::TOGGLE_FORCE_FOG_OFF]
1085                         = getKeySetting("keymap_toggle_force_fog_off");
1086         key[KeyType::TOGGLE_UPDATE_CAMERA]
1087                         = getKeySetting("keymap_toggle_update_camera");
1088         key[KeyType::TOGGLE_DEBUG]
1089                         = getKeySetting("keymap_toggle_debug");
1090         key[KeyType::TOGGLE_PROFILER]
1091                         = getKeySetting("keymap_toggle_profiler");
1092         key[KeyType::CAMERA_MODE]
1093                         = getKeySetting("keymap_camera_mode");
1094         key[KeyType::INCREASE_VIEWING_RANGE]
1095                         = getKeySetting("keymap_increase_viewing_range_min");
1096         key[KeyType::DECREASE_VIEWING_RANGE]
1097                         = getKeySetting("keymap_decrease_viewing_range_min");
1098         key[KeyType::RANGESELECT]
1099                         = getKeySetting("keymap_rangeselect");
1100         key[KeyType::ZOOM] = getKeySetting("keymap_zoom");
1101
1102         key[KeyType::QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1103         key[KeyType::QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1104         key[KeyType::QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1105         key[KeyType::QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1106
1107         key[KeyType::DEBUG_STACKS]   = getKeySetting("keymap_print_debug_stacks");
1108
1109         if (handler) {
1110                 // First clear all keys, then re-add the ones we listen for
1111                 handler->dontListenForKeys();
1112                 for (size_t i = 0; i < KeyType::INTERNAL_ENUM_COUNT; i++) {
1113                         handler->listenForKey(key[i]);
1114                 }
1115                 handler->listenForKey(EscapeKey);
1116                 handler->listenForKey(CancelKey);
1117                 for (size_t i = 0; i < 10; i++) {
1118                         handler->listenForKey(NumberKey[i]);
1119                 }
1120         }
1121 }
1122
1123
1124 /****************************************************************************
1125
1126  ****************************************************************************/
1127
1128 const float object_hit_delay = 0.2;
1129
1130 struct FpsControl {
1131         u32 last_time, busy_time, sleep_time;
1132 };
1133
1134
1135 /* The reason the following structs are not anonymous structs within the
1136  * class is that they are not used by the majority of member functions and
1137  * many functions that do require objects of thse types do not modify them
1138  * (so they can be passed as a const qualified parameter)
1139  */
1140 struct CameraOrientation {
1141         f32 camera_yaw;    // "right/left"
1142         f32 camera_pitch;  // "up/down"
1143 };
1144
1145 struct GameRunData {
1146         u16 dig_index;
1147         u16 new_playeritem;
1148         PointedThing pointed_old;
1149         bool digging;
1150         bool ldown_for_dig;
1151         bool dig_instantly;
1152         bool left_punch;
1153         bool update_wielded_item_trigger;
1154         bool reset_jump_timer;
1155         float nodig_delay_timer;
1156         float dig_time;
1157         float dig_time_complete;
1158         float repeat_rightclick_timer;
1159         float object_hit_delay_timer;
1160         float time_from_last_punch;
1161         ClientActiveObject *selected_object;
1162
1163         float jump_timer;
1164         float damage_flash;
1165         float update_draw_list_timer;
1166         float statustext_time;
1167
1168         f32 fog_range;
1169
1170         v3f update_draw_list_last_cam_dir;
1171
1172         u32 profiler_current_page;
1173         u32 profiler_max_page;     // Number of pages
1174
1175         float time_of_day;
1176         float time_of_day_smooth;
1177 };
1178
1179 struct Jitter {
1180         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1181 };
1182
1183 struct RunStats {
1184         u32 drawtime;
1185
1186         Jitter dtime_jitter, busy_time_jitter;
1187 };
1188
1189 /****************************************************************************
1190  THE GAME
1191  ****************************************************************************/
1192
1193 /* This is not intended to be a public class. If a public class becomes
1194  * desirable then it may be better to create another 'wrapper' class that
1195  * hides most of the stuff in this class (nothing in this class is required
1196  * by any other file) but exposes the public methods/data only.
1197  */
1198 class Game {
1199 public:
1200         Game();
1201         ~Game();
1202
1203         bool startup(bool *kill,
1204                         bool random_input,
1205                         InputHandler *input,
1206                         const std::string &map_dir,
1207                         const std::string &playername,
1208                         const std::string &password,
1209                         // If address is "", local server is used and address is updated
1210                         std::string *address,
1211                         u16 port,
1212                         std::string &error_message,
1213                         bool *reconnect,
1214                         ChatBackend *chat_backend,
1215                         const SubgameSpec &gamespec,    // Used for local game
1216                         bool simple_singleplayer_mode);
1217
1218         void run();
1219         void shutdown();
1220
1221 protected:
1222
1223         void extendedResourceCleanup();
1224
1225         // Basic initialisation
1226         bool init(const std::string &map_dir, std::string *address,
1227                         u16 port,
1228                         const SubgameSpec &gamespec);
1229         bool initSound();
1230         bool createSingleplayerServer(const std::string &map_dir,
1231                         const SubgameSpec &gamespec, u16 port, std::string *address);
1232
1233         // Client creation
1234         bool createClient(const std::string &playername,
1235                         const std::string &password, std::string *address, u16 port);
1236         bool initGui();
1237
1238         // Client connection
1239         bool connectToServer(const std::string &playername,
1240                         const std::string &password, std::string *address, u16 port,
1241                         bool *connect_ok, bool *aborted);
1242         bool getServerContent(bool *aborted);
1243
1244         // Main loop
1245
1246         void updateInteractTimers(f32 dtime);
1247         bool checkConnection();
1248         bool handleCallbacks();
1249         void processQueues();
1250         void updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1251         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times, f32 dtime);
1252         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1253
1254         // Input related
1255         void processUserInput(f32 dtime);
1256         void processKeyInput();
1257         void processItemSelection(u16 *new_playeritem);
1258
1259         void dropSelectedItem();
1260         void openInventory();
1261         void openConsole(float scale, const wchar_t *line=NULL);
1262         void toggleFreeMove();
1263         void toggleFreeMoveAlt();
1264         void toggleFast();
1265         void toggleNoClip();
1266         void toggleCinematic();
1267         void toggleAutoforward();
1268
1269         void toggleChat();
1270         void toggleHud();
1271         void toggleMinimap(bool shift_pressed);
1272         void toggleFog();
1273         void toggleDebug();
1274         void toggleUpdateCamera();
1275         void toggleProfiler();
1276
1277         void increaseViewRange();
1278         void decreaseViewRange();
1279         void toggleFullViewRange();
1280
1281         void updateCameraDirection(CameraOrientation *cam, float dtime);
1282         void updateCameraOrientation(CameraOrientation *cam, float dtime);
1283         void updatePlayerControl(const CameraOrientation &cam);
1284         void step(f32 *dtime);
1285         void processClientEvents(CameraOrientation *cam);
1286         void updateCamera(u32 busy_time, f32 dtime);
1287         void updateSound(f32 dtime);
1288         void processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug);
1289         /*!
1290          * Returns the object or node the player is pointing at.
1291          * Also updates the selected thing in the Hud.
1292          *
1293          * @param[in]  shootline         the shootline, starting from
1294          * the camera position. This also gives the maximal distance
1295          * of the search.
1296          * @param[in]  liquids_pointable if false, liquids are ignored
1297          * @param[in]  look_for_object   if false, objects are ignored
1298          * @param[in]  camera_offset     offset of the camera
1299          * @param[out] selected_object   the selected object or
1300          * NULL if not found
1301          */
1302         PointedThing updatePointedThing(
1303                         const core::line3d<f32> &shootline, bool liquids_pointable,
1304                         bool look_for_object, const v3s16 &camera_offset);
1305         void handlePointingAtNothing(const ItemStack &playerItem);
1306         void handlePointingAtNode(const PointedThing &pointed,
1307                 const ItemDefinition &playeritem_def, const ItemStack &playeritem,
1308                 const ToolCapabilities &playeritem_toolcap, f32 dtime);
1309         void handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
1310                         const v3f &player_position, bool show_debug);
1311         void handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
1312                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1313         void updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
1314                         const CameraOrientation &cam);
1315         void updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam);
1316         void updateProfilerGraphs(ProfilerGraph *graph);
1317
1318         // Misc
1319         void limitFps(FpsControl *fps_timings, f32 *dtime);
1320
1321         void showOverlayMessage(const char *msg, float dtime, int percent,
1322                         bool draw_clouds = true);
1323
1324         static void settingChangedCallback(const std::string &setting_name, void *data);
1325         void readSettings();
1326
1327         inline bool getLeftClicked()
1328         {
1329                 return input->getLeftClicked() ||
1330                         input->joystick.getWasKeyDown(KeyType::MOUSE_L);
1331         }
1332         inline bool getRightClicked()
1333         {
1334                 return input->getRightClicked() ||
1335                         input->joystick.getWasKeyDown(KeyType::MOUSE_R);
1336         }
1337         inline bool isLeftPressed()
1338         {
1339                 return input->getLeftState() ||
1340                         input->joystick.isKeyDown(KeyType::MOUSE_L);
1341         }
1342         inline bool isRightPressed()
1343         {
1344                 return input->getRightState() ||
1345                         input->joystick.isKeyDown(KeyType::MOUSE_R);
1346         }
1347         inline bool getLeftReleased()
1348         {
1349                 return input->getLeftReleased() ||
1350                         input->joystick.wasKeyReleased(KeyType::MOUSE_L);
1351         }
1352
1353         inline bool isKeyDown(GameKeyType k)
1354         {
1355                 return input->isKeyDown(keycache.key[k]) || input->joystick.isKeyDown(k);
1356         }
1357         inline bool wasKeyDown(GameKeyType k)
1358         {
1359                 return input->wasKeyDown(keycache.key[k]) || input->joystick.wasKeyDown(k);
1360         }
1361
1362 #ifdef __ANDROID__
1363         void handleAndroidChatInput();
1364 #endif
1365
1366 private:
1367         void showPauseMenu();
1368
1369         InputHandler *input;
1370
1371         Client *client;
1372         Server *server;
1373
1374         IWritableTextureSource *texture_src;
1375         IWritableShaderSource *shader_src;
1376
1377         // When created, these will be filled with data received from the server
1378         IWritableItemDefManager *itemdef_manager;
1379         IWritableNodeDefManager *nodedef_manager;
1380
1381         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1382         ISoundManager *sound;
1383         bool sound_is_dummy;
1384         SoundMaker *soundmaker;
1385
1386         ChatBackend *chat_backend;
1387
1388         GUIFormSpecMenu *current_formspec;
1389         //default: "". If other than "", empty show_formspec packets will only close the formspec when the formname matches
1390         std::string cur_formname;
1391
1392         EventManager *eventmgr;
1393         QuicktuneShortcutter *quicktune;
1394
1395         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1396         MapDrawControl *draw_control;
1397         Camera *camera;
1398         Clouds *clouds;                   // Free using ->Drop()
1399         Sky *sky;                         // Free using ->Drop()
1400         Inventory *local_inventory;
1401         Hud *hud;
1402         Minimap *mapper;
1403
1404         GameRunData runData;
1405         GameUIFlags flags;
1406
1407         /* 'cache'
1408            This class does take ownership/responsibily for cleaning up etc of any of
1409            these items (e.g. device)
1410         */
1411         IrrlichtDevice *device;
1412         video::IVideoDriver *driver;
1413         scene::ISceneManager *smgr;
1414         bool *kill;
1415         std::string *error_message;
1416         bool *reconnect_requested;
1417         scene::ISceneNode *skybox;
1418
1419         bool random_input;
1420         bool simple_singleplayer_mode;
1421         /* End 'cache' */
1422
1423         /* Pre-calculated values
1424          */
1425         int crack_animation_length;
1426
1427         /* GUI stuff
1428          */
1429         gui::IGUIStaticText *guitext;          // First line of debug text
1430         gui::IGUIStaticText *guitext2;         // Second line of debug text
1431         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1432         gui::IGUIStaticText *guitext_status;
1433         gui::IGUIStaticText *guitext_chat;         // Chat text
1434         gui::IGUIStaticText *guitext_profiler; // Profiler text
1435
1436         std::wstring infotext;
1437         std::wstring m_statustext;
1438
1439         KeyCache keycache;
1440
1441         IntervalLimiter profiler_interval;
1442
1443         /*
1444          * TODO: Local caching of settings is not optimal and should at some stage
1445          *       be updated to use a global settings object for getting thse values
1446          *       (as opposed to the this local caching). This can be addressed in
1447          *       a later release.
1448          */
1449         bool m_cache_doubletap_jump;
1450         bool m_cache_enable_clouds;
1451         bool m_cache_enable_joysticks;
1452         bool m_cache_enable_particles;
1453         bool m_cache_enable_fog;
1454         bool m_cache_enable_noclip;
1455         bool m_cache_enable_free_move;
1456         f32  m_cache_mouse_sensitivity;
1457         f32  m_cache_joystick_frustum_sensitivity;
1458         f32  m_repeat_right_click_time;
1459         f32  m_cache_cam_smoothing;
1460         f32  m_cache_fog_start;
1461
1462         bool m_invert_mouse;
1463         bool m_first_loop_after_window_activation;
1464         bool m_camera_offset_changed;
1465
1466 #ifdef __ANDROID__
1467         bool m_cache_hold_aux1;
1468         bool m_android_chat_open;
1469 #endif
1470 };
1471
1472 Game::Game() :
1473         client(NULL),
1474         server(NULL),
1475         texture_src(NULL),
1476         shader_src(NULL),
1477         itemdef_manager(NULL),
1478         nodedef_manager(NULL),
1479         sound(NULL),
1480         sound_is_dummy(false),
1481         soundmaker(NULL),
1482         chat_backend(NULL),
1483         current_formspec(NULL),
1484         cur_formname(""),
1485         eventmgr(NULL),
1486         quicktune(NULL),
1487         gui_chat_console(NULL),
1488         draw_control(NULL),
1489         camera(NULL),
1490         clouds(NULL),
1491         sky(NULL),
1492         local_inventory(NULL),
1493         hud(NULL),
1494         mapper(NULL),
1495         m_invert_mouse(false),
1496         m_first_loop_after_window_activation(false),
1497         m_camera_offset_changed(false)
1498 {
1499         g_settings->registerChangedCallback("doubletap_jump",
1500                 &settingChangedCallback, this);
1501         g_settings->registerChangedCallback("enable_clouds",
1502                 &settingChangedCallback, this);
1503         g_settings->registerChangedCallback("doubletap_joysticks",
1504                 &settingChangedCallback, this);
1505         g_settings->registerChangedCallback("enable_particles",
1506                 &settingChangedCallback, this);
1507         g_settings->registerChangedCallback("enable_fog",
1508                 &settingChangedCallback, this);
1509         g_settings->registerChangedCallback("mouse_sensitivity",
1510                 &settingChangedCallback, this);
1511         g_settings->registerChangedCallback("joystick_frustum_sensitivity",
1512                 &settingChangedCallback, this);
1513         g_settings->registerChangedCallback("repeat_rightclick_time",
1514                 &settingChangedCallback, this);
1515         g_settings->registerChangedCallback("noclip",
1516                 &settingChangedCallback, this);
1517         g_settings->registerChangedCallback("free_move",
1518                 &settingChangedCallback, this);
1519         g_settings->registerChangedCallback("cinematic",
1520                 &settingChangedCallback, this);
1521         g_settings->registerChangedCallback("cinematic_camera_smoothing",
1522                 &settingChangedCallback, this);
1523         g_settings->registerChangedCallback("camera_smoothing",
1524                 &settingChangedCallback, this);
1525
1526         readSettings();
1527
1528 #ifdef __ANDROID__
1529         m_cache_hold_aux1 = false;      // This is initialised properly later
1530 #endif
1531
1532 }
1533
1534
1535
1536 /****************************************************************************
1537  MinetestApp Public
1538  ****************************************************************************/
1539
1540 Game::~Game()
1541 {
1542         delete client;
1543         delete soundmaker;
1544         if (!sound_is_dummy)
1545                 delete sound;
1546
1547         delete server; // deleted first to stop all server threads
1548
1549         delete hud;
1550         delete local_inventory;
1551         delete camera;
1552         delete quicktune;
1553         delete eventmgr;
1554         delete texture_src;
1555         delete shader_src;
1556         delete nodedef_manager;
1557         delete itemdef_manager;
1558         delete draw_control;
1559
1560         extendedResourceCleanup();
1561
1562         g_settings->deregisterChangedCallback("doubletap_jump",
1563                 &settingChangedCallback, this);
1564         g_settings->deregisterChangedCallback("enable_clouds",
1565                 &settingChangedCallback, this);
1566         g_settings->deregisterChangedCallback("enable_particles",
1567                 &settingChangedCallback, this);
1568         g_settings->deregisterChangedCallback("enable_fog",
1569                 &settingChangedCallback, this);
1570         g_settings->deregisterChangedCallback("mouse_sensitivity",
1571                 &settingChangedCallback, this);
1572         g_settings->deregisterChangedCallback("repeat_rightclick_time",
1573                 &settingChangedCallback, this);
1574         g_settings->deregisterChangedCallback("noclip",
1575                 &settingChangedCallback, this);
1576         g_settings->deregisterChangedCallback("free_move",
1577                 &settingChangedCallback, this);
1578         g_settings->deregisterChangedCallback("cinematic",
1579                 &settingChangedCallback, this);
1580         g_settings->deregisterChangedCallback("cinematic_camera_smoothing",
1581                 &settingChangedCallback, this);
1582         g_settings->deregisterChangedCallback("camera_smoothing",
1583                 &settingChangedCallback, this);
1584 }
1585
1586 bool Game::startup(bool *kill,
1587                 bool random_input,
1588                 InputHandler *input,
1589                 const std::string &map_dir,
1590                 const std::string &playername,
1591                 const std::string &password,
1592                 std::string *address,     // can change if simple_singleplayer_mode
1593                 u16 port,
1594                 std::string &error_message,
1595                 bool *reconnect,
1596                 ChatBackend *chat_backend,
1597                 const SubgameSpec &gamespec,
1598                 bool simple_singleplayer_mode)
1599 {
1600         // "cache"
1601         this->device              = RenderingEngine::get_raw_device();
1602         this->kill                = kill;
1603         this->error_message       = &error_message;
1604         this->reconnect_requested = reconnect;
1605         this->random_input        = random_input;
1606         this->input               = input;
1607         this->chat_backend        = chat_backend;
1608         this->simple_singleplayer_mode = simple_singleplayer_mode;
1609
1610         keycache.handler = input;
1611         keycache.populate();
1612
1613         driver = device->getVideoDriver();
1614         smgr = RenderingEngine::get_scene_manager();
1615
1616         RenderingEngine::get_scene_manager()->getParameters()->
1617                 setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1618
1619         memset(&runData, 0, sizeof(runData));
1620         runData.time_from_last_punch = 10.0;
1621         runData.profiler_max_page = 3;
1622         runData.update_wielded_item_trigger = true;
1623
1624         memset(&flags, 0, sizeof(flags));
1625         flags.show_chat = true;
1626         flags.show_hud = true;
1627         flags.show_debug = g_settings->getBool("show_debug");
1628         m_invert_mouse = g_settings->getBool("invert_mouse");
1629         m_first_loop_after_window_activation = true;
1630
1631         if (!init(map_dir, address, port, gamespec))
1632                 return false;
1633
1634         if (!createClient(playername, password, address, port))
1635                 return false;
1636
1637         return true;
1638 }
1639
1640
1641 void Game::run()
1642 {
1643         ProfilerGraph graph;
1644         RunStats stats              = { 0 };
1645         CameraOrientation cam_view_target  = { 0 };
1646         CameraOrientation cam_view  = { 0 };
1647         FpsControl draw_times       = { 0 };
1648         f32 dtime; // in seconds
1649
1650         /* Clear the profiler */
1651         Profiler::GraphValues dummyvalues;
1652         g_profiler->graphGet(dummyvalues);
1653
1654         draw_times.last_time = RenderingEngine::get_timer_time();
1655
1656         set_light_table(g_settings->getFloat("display_gamma"));
1657
1658 #ifdef __ANDROID__
1659         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1660                         && client->checkPrivilege("fast");
1661 #endif
1662
1663         irr::core::dimension2d<u32> previous_screen_size(g_settings->getU16("screen_w"),
1664                 g_settings->getU16("screen_h"));
1665
1666         while (RenderingEngine::run()
1667                         && !(*kill || g_gamecallback->shutdown_requested
1668                         || (server && server->getShutdownRequested()))) {
1669
1670                 const irr::core::dimension2d<u32> &current_screen_size =
1671                         RenderingEngine::get_video_driver()->getScreenSize();
1672                 // Verify if window size has changed and save it if it's the case
1673                 // Ensure evaluating settings->getBool after verifying screensize
1674                 // First condition is cheaper
1675                 if (previous_screen_size != current_screen_size &&
1676                                 current_screen_size != irr::core::dimension2d<u32>(0,0) &&
1677                                 g_settings->getBool("autosave_screensize")) {
1678                         g_settings->setU16("screen_w", current_screen_size.Width);
1679                         g_settings->setU16("screen_h", current_screen_size.Height);
1680                         previous_screen_size = current_screen_size;
1681                 }
1682
1683                 /* Must be called immediately after a device->run() call because it
1684                  * uses device->getTimer()->getTime()
1685                  */
1686                 limitFps(&draw_times, &dtime);
1687
1688                 updateStats(&stats, draw_times, dtime);
1689                 updateInteractTimers(dtime);
1690
1691                 if (!checkConnection())
1692                         break;
1693                 if (!handleCallbacks())
1694                         break;
1695
1696                 processQueues();
1697
1698                 infotext = L"";
1699                 hud->resizeHotbar();
1700
1701                 updateProfilers(stats, draw_times, dtime);
1702                 processUserInput(dtime);
1703                 // Update camera before player movement to avoid camera lag of one frame
1704                 updateCameraDirection(&cam_view_target, dtime);
1705                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1706                                 cam_view.camera_yaw) * m_cache_cam_smoothing;
1707                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1708                                 cam_view.camera_pitch) * m_cache_cam_smoothing;
1709                 updatePlayerControl(cam_view);
1710                 step(&dtime);
1711                 processClientEvents(&cam_view_target);
1712                 updateCamera(draw_times.busy_time, dtime);
1713                 updateSound(dtime);
1714                 processPlayerInteraction(dtime, flags.show_hud, flags.show_debug);
1715                 updateFrame(&graph, &stats, dtime, cam_view);
1716                 updateProfilerGraphs(&graph);
1717
1718                 // Update if minimap has been disabled by the server
1719                 flags.show_minimap &= client->shouldShowMinimap();
1720         }
1721 }
1722
1723
1724 void Game::shutdown()
1725 {
1726 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR <= 8
1727         if (g_settings->get("3d_mode") == "pageflip") {
1728                 driver->setRenderTarget(irr::video::ERT_STEREO_BOTH_BUFFERS);
1729         }
1730 #endif
1731         if (current_formspec)
1732                 current_formspec->quitMenu();
1733
1734         showOverlayMessage("Shutting down...", 0, 0, false);
1735
1736         if (clouds)
1737                 clouds->drop();
1738
1739         if (gui_chat_console)
1740                 gui_chat_console->drop();
1741
1742         if (sky)
1743                 sky->drop();
1744
1745         /* cleanup menus */
1746         while (g_menumgr.menuCount() > 0) {
1747                 g_menumgr.m_stack.front()->setVisible(false);
1748                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1749         }
1750
1751         if (current_formspec) {
1752                 current_formspec->drop();
1753                 current_formspec = NULL;
1754         }
1755
1756         chat_backend->addMessage(L"", L"# Disconnected.");
1757         chat_backend->addMessage(L"", L"");
1758
1759         if (client) {
1760                 client->Stop();
1761                 while (!client->isShutdown()) {
1762                         assert(texture_src != NULL);
1763                         assert(shader_src != NULL);
1764                         texture_src->processQueue();
1765                         shader_src->processQueue();
1766                         sleep_ms(100);
1767                 }
1768         }
1769 }
1770
1771
1772 /****************************************************************************/
1773 /****************************************************************************
1774  Startup
1775  ****************************************************************************/
1776 /****************************************************************************/
1777
1778 bool Game::init(
1779                 const std::string &map_dir,
1780                 std::string *address,
1781                 u16 port,
1782                 const SubgameSpec &gamespec)
1783 {
1784         texture_src = createTextureSource();
1785
1786         showOverlayMessage("Loading...", 0, 0);
1787
1788         shader_src = createShaderSource();
1789
1790         itemdef_manager = createItemDefManager();
1791         nodedef_manager = createNodeDefManager();
1792
1793         eventmgr = new EventManager();
1794         quicktune = new QuicktuneShortcutter();
1795
1796         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1797                         && eventmgr && quicktune))
1798                 return false;
1799
1800         if (!initSound())
1801                 return false;
1802
1803         // Create a server if not connecting to an existing one
1804         if (*address == "") {
1805                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1806                         return false;
1807         }
1808
1809         return true;
1810 }
1811
1812 bool Game::initSound()
1813 {
1814 #if USE_SOUND
1815         if (g_settings->getBool("enable_sound")) {
1816                 infostream << "Attempting to use OpenAL audio" << std::endl;
1817                 sound = createOpenALSoundManager(&soundfetcher);
1818                 if (!sound)
1819                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1820         } else
1821                 infostream << "Sound disabled." << std::endl;
1822 #endif
1823
1824         if (!sound) {
1825                 infostream << "Using dummy audio." << std::endl;
1826                 sound = &dummySoundManager;
1827                 sound_is_dummy = true;
1828         }
1829
1830         soundmaker = new SoundMaker(sound, nodedef_manager);
1831         if (!soundmaker)
1832                 return false;
1833
1834         soundmaker->registerReceiver(eventmgr);
1835
1836         return true;
1837 }
1838
1839 bool Game::createSingleplayerServer(const std::string &map_dir,
1840                 const SubgameSpec &gamespec, u16 port, std::string *address)
1841 {
1842         showOverlayMessage("Creating server...", 0, 5);
1843
1844         std::string bind_str = g_settings->get("bind_address");
1845         Address bind_addr(0, 0, 0, 0, port);
1846
1847         if (g_settings->getBool("ipv6_server")) {
1848                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1849         }
1850
1851         try {
1852                 bind_addr.Resolve(bind_str.c_str());
1853         } catch (ResolveError &e) {
1854                 infostream << "Resolving bind address \"" << bind_str
1855                            << "\" failed: " << e.what()
1856                            << " -- Listening on all addresses." << std::endl;
1857         }
1858
1859         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1860                 *error_message = "Unable to listen on " +
1861                                 bind_addr.serializeString() +
1862                                 " because IPv6 is disabled";
1863                 errorstream << *error_message << std::endl;
1864                 return false;
1865         }
1866
1867         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
1868                             bind_addr.isIPv6(), false);
1869
1870         server->start(bind_addr);
1871
1872         return true;
1873 }
1874
1875 bool Game::createClient(const std::string &playername,
1876                 const std::string &password, std::string *address, u16 port)
1877 {
1878         showOverlayMessage("Creating client...", 0, 10);
1879
1880         draw_control = new MapDrawControl;
1881         if (!draw_control)
1882                 return false;
1883
1884         bool could_connect, connect_aborted;
1885
1886         if (!connectToServer(playername, password, address, port,
1887                         &could_connect, &connect_aborted))
1888                 return false;
1889
1890         if (!could_connect) {
1891                 if (error_message->empty() && !connect_aborted) {
1892                         // Should not happen if error messages are set properly
1893                         *error_message = "Connection failed for unknown reason";
1894                         errorstream << *error_message << std::endl;
1895                 }
1896                 return false;
1897         }
1898
1899         if (!getServerContent(&connect_aborted)) {
1900                 if (error_message->empty() && !connect_aborted) {
1901                         // Should not happen if error messages are set properly
1902                         *error_message = "Connection failed for unknown reason";
1903                         errorstream << *error_message << std::endl;
1904                 }
1905                 return false;
1906         }
1907
1908         GameGlobalShaderConstantSetterFactory *scsf = new GameGlobalShaderConstantSetterFactory(
1909                         &flags.force_fog_off, &runData.fog_range, client);
1910         shader_src->addShaderConstantSetterFactory(scsf);
1911
1912         // Update cached textures, meshes and materials
1913         client->afterContentReceived();
1914
1915         /* Camera
1916          */
1917         camera = new Camera(smgr, *draw_control, client);
1918         if (!camera || !camera->successfullyCreated(*error_message))
1919                 return false;
1920         client->setCamera(camera);
1921
1922         /* Clouds
1923          */
1924         if (m_cache_enable_clouds) {
1925                 clouds = new Clouds(smgr, -1, time(0));
1926                 if (!clouds) {
1927                         *error_message = "Memory allocation error (clouds)";
1928                         errorstream << *error_message << std::endl;
1929                         return false;
1930                 }
1931         }
1932
1933         /* Skybox
1934          */
1935         sky = new Sky(-1, texture_src);
1936         scsf->setSky(sky);
1937         skybox = NULL;  // This is used/set later on in the main run loop
1938
1939         local_inventory = new Inventory(itemdef_manager);
1940
1941         if (!(sky && local_inventory)) {
1942                 *error_message = "Memory allocation error (sky or local inventory)";
1943                 errorstream << *error_message << std::endl;
1944                 return false;
1945         }
1946
1947         /* Pre-calculated values
1948          */
1949         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
1950         if (t) {
1951                 v2u32 size = t->getOriginalSize();
1952                 crack_animation_length = size.Y / size.X;
1953         } else {
1954                 crack_animation_length = 5;
1955         }
1956
1957         if (!initGui())
1958                 return false;
1959
1960         /* Set window caption
1961          */
1962         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
1963         str += L" ";
1964         str += utf8_to_wide(g_version_hash);
1965         str += L" [";
1966         str += driver->getName();
1967         str += L"]";
1968         device->setWindowCaption(str.c_str());
1969
1970         LocalPlayer *player = client->getEnv().getLocalPlayer();
1971         player->hurt_tilt_timer = 0;
1972         player->hurt_tilt_strength = 0;
1973
1974         hud = new Hud(driver, smgr, guienv, client, player, local_inventory);
1975
1976         if (!hud) {
1977                 *error_message = "Memory error: could not create HUD";
1978                 errorstream << *error_message << std::endl;
1979                 return false;
1980         }
1981
1982         mapper = client->getMinimap();
1983         if (mapper)
1984                 mapper->setMinimapMode(MINIMAP_MODE_OFF);
1985
1986         return true;
1987 }
1988
1989 bool Game::initGui()
1990 {
1991         // First line of debug text
1992         guitext = addStaticText(guienv,
1993                         utf8_to_wide(PROJECT_NAME_C).c_str(),
1994                         core::rect<s32>(0, 0, 0, 0),
1995                         false, false, guiroot);
1996
1997         // Second line of debug text
1998         guitext2 = addStaticText(guienv,
1999                         L"",
2000                         core::rect<s32>(0, 0, 0, 0),
2001                         false, false, guiroot);
2002
2003         // At the middle of the screen
2004         // Object infos are shown in this
2005         guitext_info = addStaticText(guienv,
2006                         L"",
2007                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2008                         false, true, guiroot);
2009
2010         // Status text (displays info when showing and hiding GUI stuff, etc.)
2011         guitext_status = addStaticText(guienv,
2012                         L"<Status>",
2013                         core::rect<s32>(0, 0, 0, 0),
2014                         false, false, guiroot);
2015         guitext_status->setVisible(false);
2016
2017         // Chat text
2018         guitext_chat = addStaticText(
2019                         guienv,
2020                         L"",
2021                         core::rect<s32>(0, 0, 0, 0),
2022                         //false, false); // Disable word wrap as of now
2023                         false, true, guiroot);
2024
2025         // Remove stale "recent" chat messages from previous connections
2026         chat_backend->clearRecentChat();
2027
2028         // Chat backend and console
2029         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2030                         -1, chat_backend, client, &g_menumgr);
2031         if (!gui_chat_console) {
2032                 *error_message = "Could not allocate memory for chat console";
2033                 errorstream << *error_message << std::endl;
2034                 return false;
2035         }
2036
2037         // Profiler text (size is updated when text is updated)
2038         guitext_profiler = addStaticText(guienv,
2039                         L"<Profiler>",
2040                         core::rect<s32>(0, 0, 0, 0),
2041                         false, false, guiroot);
2042         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2043         guitext_profiler->setVisible(false);
2044         guitext_profiler->setWordWrap(true);
2045
2046 #ifdef HAVE_TOUCHSCREENGUI
2047
2048         if (g_touchscreengui)
2049                 g_touchscreengui->init(texture_src);
2050
2051 #endif
2052
2053         return true;
2054 }
2055
2056 bool Game::connectToServer(const std::string &playername,
2057                 const std::string &password, std::string *address, u16 port,
2058                 bool *connect_ok, bool *aborted)
2059 {
2060         *connect_ok = false;    // Let's not be overly optimistic
2061         *aborted = false;
2062         bool local_server_mode = false;
2063
2064         showOverlayMessage("Resolving address...", 0, 15);
2065
2066         Address connect_address(0, 0, 0, 0, port);
2067
2068         try {
2069                 connect_address.Resolve(address->c_str());
2070
2071                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2072                         //connect_address.Resolve("localhost");
2073                         if (connect_address.isIPv6()) {
2074                                 IPv6AddressBytes addr_bytes;
2075                                 addr_bytes.bytes[15] = 1;
2076                                 connect_address.setAddress(&addr_bytes);
2077                         } else {
2078                                 connect_address.setAddress(127, 0, 0, 1);
2079                         }
2080                         local_server_mode = true;
2081                 }
2082         } catch (ResolveError &e) {
2083                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2084                 errorstream << *error_message << std::endl;
2085                 return false;
2086         }
2087
2088         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2089                 *error_message = "Unable to connect to " +
2090                                 connect_address.serializeString() +
2091                                 " because IPv6 is disabled";
2092                 errorstream << *error_message << std::endl;
2093                 return false;
2094         }
2095
2096         client = new Client(playername.c_str(), password, *address,
2097                         *draw_control, texture_src, shader_src,
2098                         itemdef_manager, nodedef_manager, sound, eventmgr,
2099                         connect_address.isIPv6(), &flags);
2100
2101         if (!client)
2102                 return false;
2103
2104         infostream << "Connecting to server at ";
2105         connect_address.print(&infostream);
2106         infostream << std::endl;
2107
2108         client->connect(connect_address,
2109                 simple_singleplayer_mode || local_server_mode);
2110
2111         /*
2112                 Wait for server to accept connection
2113         */
2114
2115         try {
2116                 input->clear();
2117
2118                 FpsControl fps_control = { 0 };
2119                 f32 dtime;
2120                 f32 wait_time = 0; // in seconds
2121
2122                 fps_control.last_time = RenderingEngine::get_timer_time();
2123
2124                 client->initMods();
2125
2126                 while (RenderingEngine::run()) {
2127
2128                         limitFps(&fps_control, &dtime);
2129
2130                         // Update client and server
2131                         client->step(dtime);
2132
2133                         if (server != NULL)
2134                                 server->step(dtime);
2135
2136                         // End condition
2137                         if (client->getState() == LC_Init) {
2138                                 *connect_ok = true;
2139                                 break;
2140                         }
2141
2142                         // Break conditions
2143                         if (client->accessDenied()) {
2144                                 *error_message = "Access denied. Reason: "
2145                                                 + client->accessDeniedReason();
2146                                 *reconnect_requested = client->reconnectRequested();
2147                                 errorstream << *error_message << std::endl;
2148                                 break;
2149                         }
2150
2151                         if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2152                                 *aborted = true;
2153                                 infostream << "Connect aborted [Escape]" << std::endl;
2154                                 break;
2155                         }
2156
2157                         wait_time += dtime;
2158                         // Only time out if we aren't waiting for the server we started
2159                         if ((*address != "") && (wait_time > 10)) {
2160                                 bool sent_old_init = g_settings->getFlag("send_pre_v25_init");
2161                                 // If no pre v25 init was sent, and no answer was received,
2162                                 // but the low level connection could be established
2163                                 // (meaning that we have a peer id), then we probably wanted
2164                                 // to connect to a legacy server. In this case, tell the user
2165                                 // to enable the option to be able to connect.
2166                                 if (!sent_old_init &&
2167                                                 (client->getProtoVersion() == 0) &&
2168                                                 client->connectedToServer()) {
2169                                         *error_message = "Connection failure: init packet not "
2170                                         "recognized by server.\n"
2171                                         "Most likely the server uses an old protocol version (<v25).\n"
2172                                         "Please ask the server owner to update to 0.4.13 or later.\n"
2173                                         "To still connect to the server in the meantime,\n"
2174                                         "you can enable the 'send_pre_v25_init' setting by editing minetest.conf,\n"
2175                                         "or by enabling the 'Client -> Network -> Support older Servers'\n"
2176                                         "entry in the advanced settings menu.";
2177                                 } else {
2178                                         *error_message = "Connection timed out.";
2179                                 }
2180                                 errorstream << *error_message << std::endl;
2181                                 break;
2182                         }
2183
2184                         // Update status
2185                         showOverlayMessage("Connecting to server...", dtime, 20);
2186                 }
2187         } catch (con::PeerNotFoundException &e) {
2188                 // TODO: Should something be done here? At least an info/error
2189                 // message?
2190                 return false;
2191         }
2192
2193         return true;
2194 }
2195
2196 bool Game::getServerContent(bool *aborted)
2197 {
2198         input->clear();
2199
2200         FpsControl fps_control = { 0 };
2201         f32 dtime; // in seconds
2202
2203         fps_control.last_time = RenderingEngine::get_timer_time();
2204
2205         while (RenderingEngine::run()) {
2206
2207                 limitFps(&fps_control, &dtime);
2208
2209                 // Update client and server
2210                 client->step(dtime);
2211
2212                 if (server != NULL)
2213                         server->step(dtime);
2214
2215                 // End condition
2216                 if (client->mediaReceived() && client->itemdefReceived() &&
2217                                 client->nodedefReceived()) {
2218                         break;
2219                 }
2220
2221                 // Error conditions
2222                 if (!checkConnection())
2223                         return false;
2224
2225                 if (client->getState() < LC_Init) {
2226                         *error_message = "Client disconnected";
2227                         errorstream << *error_message << std::endl;
2228                         return false;
2229                 }
2230
2231                 if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2232                         *aborted = true;
2233                         infostream << "Connect aborted [Escape]" << std::endl;
2234                         return false;
2235                 }
2236
2237                 // Display status
2238                 int progress = 25;
2239
2240                 if (!client->itemdefReceived()) {
2241                         const wchar_t *text = wgettext("Item definitions...");
2242                         progress = 25;
2243                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2244                                 dtime, progress);
2245                         delete[] text;
2246                 } else if (!client->nodedefReceived()) {
2247                         const wchar_t *text = wgettext("Node definitions...");
2248                         progress = 30;
2249                         RenderingEngine::draw_load_screen(text, guienv, texture_src,
2250                                 dtime, progress);
2251                         delete[] text;
2252                 } else {
2253                         std::stringstream message;
2254                         std::fixed(message);
2255                         message.precision(0);
2256                         message << gettext("Media...") << " " << (client->mediaReceiveProgress()*100) << "%";
2257                         message.precision(2);
2258
2259                         if ((USE_CURL == 0) ||
2260                                         (!g_settings->getBool("enable_remote_media_server"))) {
2261                                 float cur = client->getCurRate();
2262                                 std::string cur_unit = gettext("KiB/s");
2263
2264                                 if (cur > 900) {
2265                                         cur /= 1024.0;
2266                                         cur_unit = gettext("MiB/s");
2267                                 }
2268
2269                                 message << " (" << cur << ' ' << cur_unit << ")";
2270                         }
2271
2272                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2273                         RenderingEngine::draw_load_screen(utf8_to_wide(message.str()), guienv,
2274                                 texture_src, dtime, progress);
2275                 }
2276         }
2277
2278         return true;
2279 }
2280
2281
2282 /****************************************************************************/
2283 /****************************************************************************
2284  Run
2285  ****************************************************************************/
2286 /****************************************************************************/
2287
2288 inline void Game::updateInteractTimers(f32 dtime)
2289 {
2290         if (runData.nodig_delay_timer >= 0)
2291                 runData.nodig_delay_timer -= dtime;
2292
2293         if (runData.object_hit_delay_timer >= 0)
2294                 runData.object_hit_delay_timer -= dtime;
2295
2296         runData.time_from_last_punch += dtime;
2297 }
2298
2299
2300 /* returns false if game should exit, otherwise true
2301  */
2302 inline bool Game::checkConnection()
2303 {
2304         if (client->accessDenied()) {
2305                 *error_message = "Access denied. Reason: "
2306                                 + client->accessDeniedReason();
2307                 *reconnect_requested = client->reconnectRequested();
2308                 errorstream << *error_message << std::endl;
2309                 return false;
2310         }
2311
2312         return true;
2313 }
2314
2315
2316 /* returns false if game should exit, otherwise true
2317  */
2318 inline bool Game::handleCallbacks()
2319 {
2320         if (g_gamecallback->disconnect_requested) {
2321                 g_gamecallback->disconnect_requested = false;
2322                 return false;
2323         }
2324
2325         if (g_gamecallback->changepassword_requested) {
2326                 (new GUIPasswordChange(guienv, guiroot, -1,
2327                                        &g_menumgr, client))->drop();
2328                 g_gamecallback->changepassword_requested = false;
2329         }
2330
2331         if (g_gamecallback->changevolume_requested) {
2332                 (new GUIVolumeChange(guienv, guiroot, -1,
2333                                      &g_menumgr))->drop();
2334                 g_gamecallback->changevolume_requested = false;
2335         }
2336
2337         if (g_gamecallback->keyconfig_requested) {
2338                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2339                                       &g_menumgr))->drop();
2340                 g_gamecallback->keyconfig_requested = false;
2341         }
2342
2343         if (g_gamecallback->keyconfig_changed) {
2344                 keycache.populate(); // update the cache with new settings
2345                 g_gamecallback->keyconfig_changed = false;
2346         }
2347
2348         return true;
2349 }
2350
2351
2352 void Game::processQueues()
2353 {
2354         texture_src->processQueue();
2355         itemdef_manager->processQueue(client);
2356         shader_src->processQueue();
2357 }
2358
2359
2360 void Game::updateProfilers(const RunStats &stats, const FpsControl &draw_times, f32 dtime)
2361 {
2362         float profiler_print_interval =
2363                         g_settings->getFloat("profiler_print_interval");
2364         bool print_to_log = true;
2365
2366         if (profiler_print_interval == 0) {
2367                 print_to_log = false;
2368                 profiler_print_interval = 5;
2369         }
2370
2371         if (profiler_interval.step(dtime, profiler_print_interval)) {
2372                 if (print_to_log) {
2373                         infostream << "Profiler:" << std::endl;
2374                         g_profiler->print(infostream);
2375                 }
2376
2377                 update_profiler_gui(guitext_profiler, g_fontengine,
2378                                 runData.profiler_current_page, runData.profiler_max_page,
2379                                 driver->getScreenSize().Height);
2380
2381                 g_profiler->clear();
2382         }
2383
2384         addProfilerGraphs(stats, draw_times, dtime);
2385 }
2386
2387
2388 void Game::addProfilerGraphs(const RunStats &stats,
2389                 const FpsControl &draw_times, f32 dtime)
2390 {
2391         g_profiler->graphAdd("mainloop_other",
2392                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2393
2394         if (draw_times.sleep_time != 0)
2395                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2396         g_profiler->graphAdd("mainloop_dtime", dtime);
2397
2398         g_profiler->add("Elapsed time", dtime);
2399         g_profiler->avg("FPS", 1. / dtime);
2400 }
2401
2402
2403 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2404                 f32 dtime)
2405 {
2406
2407         f32 jitter;
2408         Jitter *jp;
2409
2410         /* Time average and jitter calculation
2411          */
2412         jp = &stats->dtime_jitter;
2413         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2414
2415         jitter = dtime - jp->avg;
2416
2417         if (jitter > jp->max)
2418                 jp->max = jitter;
2419
2420         jp->counter += dtime;
2421
2422         if (jp->counter > 0.0) {
2423                 jp->counter -= 3.0;
2424                 jp->max_sample = jp->max;
2425                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2426                 jp->max = 0.0;
2427         }
2428
2429         /* Busytime average and jitter calculation
2430          */
2431         jp = &stats->busy_time_jitter;
2432         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2433
2434         jitter = draw_times.busy_time - jp->avg;
2435
2436         if (jitter > jp->max)
2437                 jp->max = jitter;
2438         if (jitter < jp->min)
2439                 jp->min = jitter;
2440
2441         jp->counter += dtime;
2442
2443         if (jp->counter > 0.0) {
2444                 jp->counter -= 3.0;
2445                 jp->max_sample = jp->max;
2446                 jp->min_sample = jp->min;
2447                 jp->max = 0.0;
2448                 jp->min = 0.0;
2449         }
2450 }
2451
2452
2453
2454 /****************************************************************************
2455  Input handling
2456  ****************************************************************************/
2457
2458 void Game::processUserInput(f32 dtime)
2459 {
2460         // Reset input if window not active or some menu is active
2461         if (!device->isWindowActive() || isMenuActive() || guienv->hasFocus(gui_chat_console)) {
2462                 input->clear();
2463 #ifdef HAVE_TOUCHSCREENGUI
2464                 g_touchscreengui->hide();
2465 #endif
2466         }
2467 #ifdef HAVE_TOUCHSCREENGUI
2468         else if (g_touchscreengui) {
2469                 /* on touchscreengui step may generate own input events which ain't
2470                  * what we want in case we just did clear them */
2471                 g_touchscreengui->step(dtime);
2472         }
2473 #endif
2474
2475         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2476                 gui_chat_console->closeConsoleAtOnce();
2477         }
2478
2479         // Input handler step() (used by the random input generator)
2480         input->step(dtime);
2481
2482 #ifdef __ANDROID__
2483         if (current_formspec != NULL)
2484                 current_formspec->getAndroidUIInput();
2485         else
2486                 handleAndroidChatInput();
2487 #endif
2488
2489         // Increase timer for double tap of "keymap_jump"
2490         if (m_cache_doubletap_jump && runData.jump_timer <= 0.2f)
2491                 runData.jump_timer += dtime;
2492
2493         processKeyInput();
2494         processItemSelection(&runData.new_playeritem);
2495 }
2496
2497
2498 void Game::processKeyInput()
2499 {
2500         if (wasKeyDown(KeyType::DROP)) {
2501                 dropSelectedItem();
2502         } else if (wasKeyDown(KeyType::AUTOFORWARD)) {
2503                 toggleAutoforward();
2504         } else if (wasKeyDown(KeyType::INVENTORY)) {
2505                 openInventory();
2506         } else if (wasKeyDown(KeyType::ESC) || input->wasKeyDown(CancelKey)) {
2507                 if (!gui_chat_console->isOpenInhibited()) {
2508                         showPauseMenu();
2509                 }
2510         } else if (wasKeyDown(KeyType::CHAT)) {
2511                 openConsole(0.2, L"");
2512         } else if (wasKeyDown(KeyType::CMD)) {
2513                 openConsole(0.2, L"/");
2514         } else if (wasKeyDown(KeyType::CMD_LOCAL)) {
2515                 openConsole(0.2, L".");
2516         } else if (wasKeyDown(KeyType::CONSOLE)) {
2517                 openConsole(core::clamp(g_settings->getFloat("console_height"), 0.1f, 1.0f));
2518         } else if (wasKeyDown(KeyType::FREEMOVE)) {
2519                 toggleFreeMove();
2520         } else if (wasKeyDown(KeyType::JUMP)) {
2521                 toggleFreeMoveAlt();
2522         } else if (wasKeyDown(KeyType::FASTMOVE)) {
2523                 toggleFast();
2524         } else if (wasKeyDown(KeyType::NOCLIP)) {
2525                 toggleNoClip();
2526         } else if (wasKeyDown(KeyType::MUTE)) {
2527                 float volume = g_settings->getFloat("sound_volume");
2528                 if (volume < 0.001f) {
2529                         g_settings->setFloat("sound_volume", 1.0f);
2530                         m_statustext = narrow_to_wide(gettext("Volume changed to 100%"));
2531                 } else {
2532                         g_settings->setFloat("sound_volume", 0.0f);
2533                         m_statustext = narrow_to_wide(gettext("Volume changed to 0%"));
2534                 }
2535                 runData.statustext_time = 0;
2536         } else if (wasKeyDown(KeyType::INC_VOLUME)) {
2537                 float new_volume = rangelim(g_settings->getFloat("sound_volume") + 0.1f, 0.0f, 1.0f);
2538                 char buf[100];
2539                 g_settings->setFloat("sound_volume", new_volume);
2540                 snprintf(buf, sizeof(buf), gettext("Volume changed to %d%%"), myround(new_volume * 100));
2541                 m_statustext = narrow_to_wide(buf);
2542                 runData.statustext_time = 0;
2543         } else if (wasKeyDown(KeyType::DEC_VOLUME)) {
2544                 float new_volume = rangelim(g_settings->getFloat("sound_volume") - 0.1f, 0.0f, 1.0f);
2545                 char buf[100];
2546                 g_settings->setFloat("sound_volume", new_volume);
2547                 snprintf(buf, sizeof(buf), gettext("Volume changed to %d%%"), myround(new_volume * 100));
2548                 m_statustext = narrow_to_wide(buf);
2549                 runData.statustext_time = 0;
2550         } else if (wasKeyDown(KeyType::CINEMATIC)) {
2551                 toggleCinematic();
2552         } else if (wasKeyDown(KeyType::SCREENSHOT)) {
2553                 client->makeScreenshot();
2554         } else if (wasKeyDown(KeyType::TOGGLE_HUD)) {
2555                 toggleHud();
2556         } else if (wasKeyDown(KeyType::MINIMAP)) {
2557                 toggleMinimap(isKeyDown(KeyType::SNEAK));
2558         } else if (wasKeyDown(KeyType::TOGGLE_CHAT)) {
2559                 toggleChat();
2560         } else if (wasKeyDown(KeyType::TOGGLE_FORCE_FOG_OFF)) {
2561                 toggleFog();
2562         } else if (wasKeyDown(KeyType::TOGGLE_UPDATE_CAMERA)) {
2563                 toggleUpdateCamera();
2564         } else if (wasKeyDown(KeyType::TOGGLE_DEBUG)) {
2565                 toggleDebug();
2566         } else if (wasKeyDown(KeyType::TOGGLE_PROFILER)) {
2567                 toggleProfiler();
2568         } else if (wasKeyDown(KeyType::INCREASE_VIEWING_RANGE)) {
2569                 increaseViewRange();
2570         } else if (wasKeyDown(KeyType::DECREASE_VIEWING_RANGE)) {
2571                 decreaseViewRange();
2572         } else if (wasKeyDown(KeyType::RANGESELECT)) {
2573                 toggleFullViewRange();
2574         } else if (wasKeyDown(KeyType::QUICKTUNE_NEXT)) {
2575                 quicktune->next();
2576         } else if (wasKeyDown(KeyType::QUICKTUNE_PREV)) {
2577                 quicktune->prev();
2578         } else if (wasKeyDown(KeyType::QUICKTUNE_INC)) {
2579                 quicktune->inc();
2580         } else if (wasKeyDown(KeyType::QUICKTUNE_DEC)) {
2581                 quicktune->dec();
2582         } else if (wasKeyDown(KeyType::DEBUG_STACKS)) {
2583                 // Print debug stacks
2584                 dstream << "-----------------------------------------"
2585                         << std::endl;
2586                 dstream << "Printing debug stacks:" << std::endl;
2587                 dstream << "-----------------------------------------"
2588                         << std::endl;
2589                 debug_stacks_print();
2590         }
2591
2592         if (!isKeyDown(KeyType::JUMP) && runData.reset_jump_timer) {
2593                 runData.reset_jump_timer = false;
2594                 runData.jump_timer = 0.0f;
2595         }
2596
2597         if (quicktune->hasMessage()) {
2598                 m_statustext = utf8_to_wide(quicktune->getMessage());
2599                 runData.statustext_time = 0.0f;
2600         }
2601 }
2602
2603 void Game::processItemSelection(u16 *new_playeritem)
2604 {
2605         LocalPlayer *player = client->getEnv().getLocalPlayer();
2606
2607         /* Item selection using mouse wheel
2608          */
2609         *new_playeritem = client->getPlayerItem();
2610
2611         s32 wheel = input->getMouseWheel();
2612         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2613                     player->hud_hotbar_itemcount - 1);
2614
2615         s32 dir = wheel;
2616
2617         if (input->joystick.wasKeyDown(KeyType::SCROLL_DOWN) ||
2618                         wasKeyDown(KeyType::HOTBAR_NEXT)) {
2619                 dir = -1;
2620         }
2621
2622         if (input->joystick.wasKeyDown(KeyType::SCROLL_UP) ||
2623                         wasKeyDown(KeyType::HOTBAR_PREV)) {
2624                 dir = 1;
2625         }
2626
2627         if (dir < 0)
2628                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2629         else if (dir > 0)
2630                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2631         // else dir == 0
2632
2633         /* Item selection using keyboard
2634          */
2635         for (u16 i = 0; i < 10; i++) {
2636                 static const KeyPress *item_keys[10] = {
2637                         NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
2638                         NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
2639                         NumberKey + 9, NumberKey + 0,
2640                 };
2641
2642                 if (input->wasKeyDown(*item_keys[i])) {
2643                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2644                                 *new_playeritem = i;
2645                                 infostream << "Selected item: " << new_playeritem << std::endl;
2646                         }
2647                         break;
2648                 }
2649         }
2650 }
2651
2652
2653 void Game::dropSelectedItem()
2654 {
2655         IDropAction *a = new IDropAction();
2656         a->count = 0;
2657         a->from_inv.setCurrentPlayer();
2658         a->from_list = "main";
2659         a->from_i = client->getPlayerItem();
2660         client->inventoryAction(a);
2661 }
2662
2663
2664 void Game::openInventory()
2665 {
2666         /*
2667          * Don't permit to open inventory is CAO or player doesn't exists.
2668          * This prevent showing an empty inventory at player load
2669          */
2670
2671         LocalPlayer *player = client->getEnv().getLocalPlayer();
2672         if (!player || !player->getCAO())
2673                 return;
2674
2675         infostream << "the_game: " << "Launching inventory" << std::endl;
2676
2677         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2678         TextDest *txt_dst = new TextDestPlayerInventory(client);
2679
2680         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
2681         cur_formname = "";
2682
2683         InventoryLocation inventoryloc;
2684         inventoryloc.setCurrentPlayer();
2685         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
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         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2721
2722         bool free_move = !g_settings->getBool("free_move");
2723         g_settings->set("free_move", bool_to_cstr(free_move));
2724
2725         runData.statustext_time = 0;
2726         m_statustext = msg[free_move];
2727         if (free_move && !client->checkPrivilege("fly"))
2728                 m_statustext += L" (note: no 'fly' privilege)";
2729 }
2730
2731
2732 void Game::toggleFreeMoveAlt()
2733 {
2734         if (m_cache_doubletap_jump && runData.jump_timer < 0.2f)
2735                 toggleFreeMove();
2736
2737         runData.reset_jump_timer = true;
2738 }
2739
2740
2741 void Game::toggleFast()
2742 {
2743         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2744         bool fast_move = !g_settings->getBool("fast_move");
2745         g_settings->set("fast_move", bool_to_cstr(fast_move));
2746
2747         runData.statustext_time = 0;
2748         m_statustext = msg[fast_move];
2749
2750         bool has_fast_privs = client->checkPrivilege("fast");
2751
2752         if (fast_move && !has_fast_privs)
2753                 m_statustext += L" (note: no 'fast' privilege)";
2754
2755 #ifdef __ANDROID__
2756         m_cache_hold_aux1 = fast_move && has_fast_privs;
2757 #endif
2758 }
2759
2760
2761 void Game::toggleNoClip()
2762 {
2763         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2764         bool noclip = !g_settings->getBool("noclip");
2765         g_settings->set("noclip", bool_to_cstr(noclip));
2766
2767         runData.statustext_time = 0;
2768         m_statustext = msg[noclip];
2769
2770         if (noclip && !client->checkPrivilege("noclip"))
2771                 m_statustext += L" (note: no 'noclip' privilege)";
2772 }
2773
2774 void Game::toggleCinematic()
2775 {
2776         static const wchar_t *msg[] = { L"cinematic disabled", L"cinematic enabled" };
2777         bool cinematic = !g_settings->getBool("cinematic");
2778         g_settings->set("cinematic", bool_to_cstr(cinematic));
2779
2780         runData.statustext_time = 0;
2781         m_statustext = msg[cinematic];
2782 }
2783
2784 // Autoforward by toggling continuous forward.
2785 void Game::toggleAutoforward()
2786 {
2787         static const wchar_t *msg[] = { L"autoforward disabled", L"autoforward enabled" };
2788         bool autoforward_enabled = !g_settings->getBool("continuous_forward");
2789         g_settings->set("continuous_forward", bool_to_cstr(autoforward_enabled));
2790
2791         runData.statustext_time = 0;
2792         m_statustext = msg[autoforward_enabled ? 1 : 0];
2793 }
2794
2795 void Game::toggleChat()
2796 {
2797         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2798
2799         flags.show_chat = !flags.show_chat;
2800         runData.statustext_time = 0;
2801         m_statustext = msg[flags.show_chat];
2802 }
2803
2804
2805 void Game::toggleHud()
2806 {
2807         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2808
2809         flags.show_hud = !flags.show_hud;
2810         runData.statustext_time = 0;
2811         m_statustext = msg[flags.show_hud];
2812 }
2813
2814 void Game::toggleMinimap(bool shift_pressed)
2815 {
2816         if (!mapper || !flags.show_hud || !g_settings->getBool("enable_minimap"))
2817                 return;
2818
2819         if (shift_pressed) {
2820                 mapper->toggleMinimapShape();
2821                 return;
2822         }
2823
2824         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2825
2826         MinimapMode mode = MINIMAP_MODE_OFF;
2827         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2828                 mode = mapper->getMinimapMode();
2829                 mode = (MinimapMode)((int)mode + 1);
2830         }
2831
2832         flags.show_minimap = true;
2833         switch (mode) {
2834                 case MINIMAP_MODE_SURFACEx1:
2835                         m_statustext = L"Minimap in surface mode, Zoom x1";
2836                         break;
2837                 case MINIMAP_MODE_SURFACEx2:
2838                         m_statustext = L"Minimap in surface mode, Zoom x2";
2839                         break;
2840                 case MINIMAP_MODE_SURFACEx4:
2841                         m_statustext = L"Minimap in surface mode, Zoom x4";
2842                         break;
2843                 case MINIMAP_MODE_RADARx1:
2844                         m_statustext = L"Minimap in radar mode, Zoom x1";
2845                         break;
2846                 case MINIMAP_MODE_RADARx2:
2847                         m_statustext = L"Minimap in radar mode, Zoom x2";
2848                         break;
2849                 case MINIMAP_MODE_RADARx4:
2850                         m_statustext = L"Minimap in radar mode, Zoom x4";
2851                         break;
2852                 default:
2853                         mode = MINIMAP_MODE_OFF;
2854                         flags.show_minimap = false;
2855                         m_statustext = (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) ?
2856                                 L"Minimap hidden" : L"Minimap disabled by server";
2857         }
2858
2859         runData.statustext_time = 0;
2860         mapper->setMinimapMode(mode);
2861 }
2862
2863 void Game::toggleFog()
2864 {
2865         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2866
2867         flags.force_fog_off = !flags.force_fog_off;
2868         runData.statustext_time = 0;
2869         m_statustext = msg[flags.force_fog_off];
2870 }
2871
2872
2873 void Game::toggleDebug()
2874 {
2875         // Initial / 4x toggle: Chat only
2876         // 1x toggle: Debug text with chat
2877         // 2x toggle: Debug text with profiler graph
2878         // 3x toggle: Debug text and wireframe
2879         if (!flags.show_debug) {
2880                 flags.show_debug = true;
2881                 flags.show_profiler_graph = false;
2882                 draw_control->show_wireframe = false;
2883                 m_statustext = L"Debug info shown";
2884         } else if (!flags.show_profiler_graph && !draw_control->show_wireframe) {
2885                 flags.show_profiler_graph = true;
2886                 m_statustext = L"Profiler graph shown";
2887         } else if (!draw_control->show_wireframe && client->checkPrivilege("debug")) {
2888                 flags.show_profiler_graph = false;
2889                 draw_control->show_wireframe = true;
2890                 m_statustext = L"Wireframe shown";
2891         } else {
2892                 flags.show_debug = false;
2893                 flags.show_profiler_graph = false;
2894                 draw_control->show_wireframe = false;
2895                 if (client->checkPrivilege("debug")) {
2896                         m_statustext = L"Debug info, profiler graph, and wireframe hidden";
2897                 } else {
2898                         m_statustext = L"Debug info and profiler graph hidden";
2899                 }
2900         }
2901         runData.statustext_time = 0;
2902 }
2903
2904
2905 void Game::toggleUpdateCamera()
2906 {
2907         static const wchar_t *msg[] = {
2908                 L"Camera update enabled",
2909                 L"Camera update disabled"
2910         };
2911
2912         flags.disable_camera_update = !flags.disable_camera_update;
2913         runData.statustext_time = 0;
2914         m_statustext = msg[flags.disable_camera_update];
2915 }
2916
2917
2918 void Game::toggleProfiler()
2919 {
2920         runData.profiler_current_page =
2921                 (runData.profiler_current_page + 1) % (runData.profiler_max_page + 1);
2922
2923         // FIXME: This updates the profiler with incomplete values
2924         update_profiler_gui(guitext_profiler, g_fontengine, runData.profiler_current_page,
2925                 runData.profiler_max_page, driver->getScreenSize().Height);
2926
2927         if (runData.profiler_current_page != 0) {
2928                 std::wstringstream sstr;
2929                 sstr << "Profiler shown (page " << runData.profiler_current_page
2930                      << " of " << runData.profiler_max_page << ")";
2931                 m_statustext = sstr.str();
2932         } else {
2933                 m_statustext = L"Profiler hidden";
2934         }
2935         runData.statustext_time = 0;
2936 }
2937
2938
2939 void Game::increaseViewRange()
2940 {
2941         s16 range = g_settings->getS16("viewing_range");
2942         s16 range_new = range + 10;
2943
2944         if (range_new > 4000) {
2945                 range_new = 4000;
2946                 m_statustext = utf8_to_wide("Viewing range is at maximum: "
2947                                 + itos(range_new));
2948         } else {
2949                 m_statustext = utf8_to_wide("Viewing range changed to "
2950                                 + itos(range_new));
2951         }
2952         g_settings->set("viewing_range", itos(range_new));
2953         runData.statustext_time = 0;
2954 }
2955
2956
2957 void Game::decreaseViewRange()
2958 {
2959         s16 range = g_settings->getS16("viewing_range");
2960         s16 range_new = range - 10;
2961
2962         if (range_new < 20) {
2963                 range_new = 20;
2964                 m_statustext = utf8_to_wide("Viewing range is at minimum: "
2965                                 + itos(range_new));
2966         } else {
2967                 m_statustext = utf8_to_wide("Viewing range changed to "
2968                                 + itos(range_new));
2969         }
2970         g_settings->set("viewing_range", itos(range_new));
2971         runData.statustext_time = 0;
2972 }
2973
2974
2975 void Game::toggleFullViewRange()
2976 {
2977         static const wchar_t *msg[] = {
2978                 L"Disabled full viewing range",
2979                 L"Enabled full viewing range"
2980         };
2981
2982         draw_control->range_all = !draw_control->range_all;
2983         infostream << msg[draw_control->range_all] << std::endl;
2984         m_statustext = msg[draw_control->range_all];
2985         runData.statustext_time = 0;
2986 }
2987
2988
2989 void Game::updateCameraDirection(CameraOrientation *cam, float dtime)
2990 {
2991         if ((device->isWindowActive() && device->isWindowFocused()
2992                         && !isMenuActive()) || random_input) {
2993
2994 #ifndef __ANDROID__
2995                 if (!random_input) {
2996                         // Mac OSX gets upset if this is set every frame
2997                         if (device->getCursorControl()->isVisible())
2998                                 device->getCursorControl()->setVisible(false);
2999                 }
3000 #endif
3001
3002                 if (m_first_loop_after_window_activation)
3003                         m_first_loop_after_window_activation = false;
3004                 else
3005                         updateCameraOrientation(cam, dtime);
3006
3007                 input->setMousePos((driver->getScreenSize().Width / 2),
3008                                 (driver->getScreenSize().Height / 2));
3009         } else {
3010
3011 #ifndef ANDROID
3012                 // Mac OSX gets upset if this is set every frame
3013                 if (!device->getCursorControl()->isVisible())
3014                         device->getCursorControl()->setVisible(true);
3015 #endif
3016
3017                 m_first_loop_after_window_activation = true;
3018
3019         }
3020 }
3021
3022 void Game::updateCameraOrientation(CameraOrientation *cam, float dtime)
3023 {
3024 #ifdef HAVE_TOUCHSCREENGUI
3025         if (g_touchscreengui) {
3026                 cam->camera_yaw   += g_touchscreengui->getYawChange();
3027                 cam->camera_pitch  = g_touchscreengui->getPitch();
3028         } else {
3029 #endif
3030
3031                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3032                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3033
3034                 if (m_invert_mouse || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3035                         dy = -dy;
3036                 }
3037
3038                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3039                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3040
3041 #ifdef HAVE_TOUCHSCREENGUI
3042         }
3043 #endif
3044
3045         if (m_cache_enable_joysticks) {
3046                 f32 c = m_cache_joystick_frustum_sensitivity * (1.f / 32767.f) * dtime;
3047                 cam->camera_yaw -= input->joystick.getAxisWithoutDead(JA_FRUSTUM_HORIZONTAL) * c;
3048                 cam->camera_pitch += input->joystick.getAxisWithoutDead(JA_FRUSTUM_VERTICAL) * c;
3049         }
3050
3051         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3052 }
3053
3054
3055 void Game::updatePlayerControl(const CameraOrientation &cam)
3056 {
3057         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3058
3059         // DO NOT use the isKeyDown method for the forward, backward, left, right
3060         // buttons, as the code that uses the controls needs to be able to
3061         // distinguish between the two in order to know when to use joysticks.
3062
3063         PlayerControl control(
3064                 input->isKeyDown(keycache.key[KeyType::FORWARD]),
3065                 input->isKeyDown(keycache.key[KeyType::BACKWARD]),
3066                 input->isKeyDown(keycache.key[KeyType::LEFT]),
3067                 input->isKeyDown(keycache.key[KeyType::RIGHT]),
3068                 isKeyDown(KeyType::JUMP),
3069                 isKeyDown(KeyType::SPECIAL1),
3070                 isKeyDown(KeyType::SNEAK),
3071                 isKeyDown(KeyType::ZOOM),
3072                 isLeftPressed(),
3073                 isRightPressed(),
3074                 cam.camera_pitch,
3075                 cam.camera_yaw,
3076                 input->joystick.getAxisWithoutDead(JA_SIDEWARD_MOVE),
3077                 input->joystick.getAxisWithoutDead(JA_FORWARD_MOVE)
3078         );
3079
3080         u32 keypress_bits =
3081                         ( (u32)(isKeyDown(KeyType::FORWARD)                       & 0x1) << 0) |
3082                         ( (u32)(isKeyDown(KeyType::BACKWARD)                      & 0x1) << 1) |
3083                         ( (u32)(isKeyDown(KeyType::LEFT)                          & 0x1) << 2) |
3084                         ( (u32)(isKeyDown(KeyType::RIGHT)                         & 0x1) << 3) |
3085                         ( (u32)(isKeyDown(KeyType::JUMP)                          & 0x1) << 4) |
3086                         ( (u32)(isKeyDown(KeyType::SPECIAL1)                      & 0x1) << 5) |
3087                         ( (u32)(isKeyDown(KeyType::SNEAK)                         & 0x1) << 6) |
3088                         ( (u32)(isLeftPressed()                                   & 0x1) << 7) |
3089                         ( (u32)(isRightPressed()                                  & 0x1) << 8
3090                 );
3091
3092 #ifdef ANDROID
3093         /* For Android, simulate holding down AUX1 (fast move) if the user has
3094          * the fast_move setting toggled on. If there is an aux1 key defined for
3095          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3096          * not fast)
3097          */
3098         if (m_cache_hold_aux1) {
3099                 control.aux1 = control.aux1 ^ true;
3100                 keypress_bits ^= ((u32)(1U << 5));
3101         }
3102 #endif
3103
3104         client->setPlayerControl(control);
3105         LocalPlayer *player = client->getEnv().getLocalPlayer();
3106         player->keyPressed = keypress_bits;
3107
3108         //tt.stop();
3109 }
3110
3111
3112 inline void Game::step(f32 *dtime)
3113 {
3114         bool can_be_and_is_paused =
3115                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3116
3117         if (can_be_and_is_paused) {     // This is for a singleplayer server
3118                 *dtime = 0;             // No time passes
3119         } else {
3120                 if (server != NULL) {
3121                         //TimeTaker timer("server->step(dtime)");
3122                         server->step(*dtime);
3123                 }
3124
3125                 //TimeTaker timer("client.step(dtime)");
3126                 client->step(*dtime);
3127         }
3128 }
3129
3130
3131 void Game::processClientEvents(CameraOrientation *cam)
3132 {
3133         LocalPlayer *player = client->getEnv().getLocalPlayer();
3134
3135         while (client->hasClientEvents()) {
3136                 ClientEvent event = client->getClientEvent();
3137
3138                 switch (event.type) {
3139                 case CE_PLAYER_DAMAGE:
3140                         if (client->getHP() == 0)
3141                                 break;
3142                         if (client->moddingEnabled()) {
3143                                 client->getScript()->on_damage_taken(event.player_damage.amount);
3144                         }
3145
3146                         runData.damage_flash += 95.0 + 3.2 * event.player_damage.amount;
3147                         runData.damage_flash = MYMIN(runData.damage_flash, 127.0);
3148
3149                         player->hurt_tilt_timer = 1.5;
3150                         player->hurt_tilt_strength =
3151                                 rangelim(event.player_damage.amount / 4, 1.0, 4.0);
3152
3153                         client->event()->put(new SimpleTriggerEvent("PlayerDamage"));
3154                         break;
3155
3156                 case CE_PLAYER_FORCE_MOVE:
3157                         cam->camera_yaw = event.player_force_move.yaw;
3158                         cam->camera_pitch = event.player_force_move.pitch;
3159                         break;
3160
3161                 case CE_DEATHSCREEN:
3162                         // This should be enabled for death formspec in builtin
3163                         client->getScript()->on_death();
3164
3165                         /* Handle visualization */
3166                         runData.damage_flash = 0;
3167                         player->hurt_tilt_timer = 0;
3168                         player->hurt_tilt_strength = 0;
3169                         break;
3170
3171                 case CE_SHOW_FORMSPEC:
3172                         if (*(event.show_formspec.formspec) == "") {
3173                                 if (current_formspec && ( *(event.show_formspec.formname) == "" || *(event.show_formspec.formname) == cur_formname) ){
3174                                         current_formspec->quitMenu();
3175                                 }
3176                         } else {
3177                                 FormspecFormSource *fs_src =
3178                                         new FormspecFormSource(*(event.show_formspec.formspec));
3179                                 TextDestPlayerInventory *txt_dst =
3180                                         new TextDestPlayerInventory(client, *(event.show_formspec.formname));
3181
3182                                 create_formspec_menu(&current_formspec, client, &input->joystick,
3183                                         fs_src, txt_dst);
3184                                 cur_formname = *(event.show_formspec.formname);
3185                         }
3186
3187                         delete event.show_formspec.formspec;
3188                         delete event.show_formspec.formname;
3189                         break;
3190
3191                 case CE_SHOW_LOCAL_FORMSPEC:
3192                         {
3193                                 FormspecFormSource *fs_src = new FormspecFormSource(*event.show_formspec.formspec);
3194                                 LocalFormspecHandler *txt_dst = new LocalFormspecHandler(*event.show_formspec.formname, client);
3195                                 create_formspec_menu(&current_formspec, client, &input->joystick,
3196                                         fs_src, txt_dst);
3197                         }
3198                         delete event.show_formspec.formspec;
3199                         delete event.show_formspec.formname;
3200                         break;
3201
3202                 case CE_SPAWN_PARTICLE:
3203                 case CE_ADD_PARTICLESPAWNER:
3204                 case CE_DELETE_PARTICLESPAWNER:
3205                         client->getParticleManager()->handleParticleEvent(&event, client, player);
3206                         break;
3207
3208                 case CE_HUDADD:
3209                         {
3210                                 u32 id = event.hudadd.id;
3211
3212                                 HudElement *e = player->getHud(id);
3213
3214                                 if (e != NULL) {
3215                                         delete event.hudadd.pos;
3216                                         delete event.hudadd.name;
3217                                         delete event.hudadd.scale;
3218                                         delete event.hudadd.text;
3219                                         delete event.hudadd.align;
3220                                         delete event.hudadd.offset;
3221                                         delete event.hudadd.world_pos;
3222                                         delete event.hudadd.size;
3223                                         continue;
3224                                 }
3225
3226                                 e = new HudElement;
3227                                 e->type   = (HudElementType)event.hudadd.type;
3228                                 e->pos    = *event.hudadd.pos;
3229                                 e->name   = *event.hudadd.name;
3230                                 e->scale  = *event.hudadd.scale;
3231                                 e->text   = *event.hudadd.text;
3232                                 e->number = event.hudadd.number;
3233                                 e->item   = event.hudadd.item;
3234                                 e->dir    = event.hudadd.dir;
3235                                 e->align  = *event.hudadd.align;
3236                                 e->offset = *event.hudadd.offset;
3237                                 e->world_pos = *event.hudadd.world_pos;
3238                                 e->size = *event.hudadd.size;
3239
3240                                 u32 new_id = player->addHud(e);
3241                                 //if this isn't true our huds aren't consistent
3242                                 sanity_check(new_id == id);
3243                         }
3244
3245                         delete event.hudadd.pos;
3246                         delete event.hudadd.name;
3247                         delete event.hudadd.scale;
3248                         delete event.hudadd.text;
3249                         delete event.hudadd.align;
3250                         delete event.hudadd.offset;
3251                         delete event.hudadd.world_pos;
3252                         delete event.hudadd.size;
3253                         break;
3254
3255                 case CE_HUDRM:
3256                         {
3257                                 HudElement *e = player->removeHud(event.hudrm.id);
3258
3259                                 delete e;
3260                         }
3261                         break;
3262
3263                 case CE_HUDCHANGE:
3264                         {
3265                                 u32 id = event.hudchange.id;
3266                                 HudElement *e = player->getHud(id);
3267
3268                                 if (e == NULL) {
3269                                         delete event.hudchange.v3fdata;
3270                                         delete event.hudchange.v2fdata;
3271                                         delete event.hudchange.sdata;
3272                                         delete event.hudchange.v2s32data;
3273                                         continue;
3274                                 }
3275
3276                                 switch (event.hudchange.stat) {
3277                                 case HUD_STAT_POS:
3278                                         e->pos = *event.hudchange.v2fdata;
3279                                         break;
3280
3281                                 case HUD_STAT_NAME:
3282                                         e->name = *event.hudchange.sdata;
3283                                         break;
3284
3285                                 case HUD_STAT_SCALE:
3286                                         e->scale = *event.hudchange.v2fdata;
3287                                         break;
3288
3289                                 case HUD_STAT_TEXT:
3290                                         e->text = *event.hudchange.sdata;
3291                                         break;
3292
3293                                 case HUD_STAT_NUMBER:
3294                                         e->number = event.hudchange.data;
3295                                         break;
3296
3297                                 case HUD_STAT_ITEM:
3298                                         e->item = event.hudchange.data;
3299                                         break;
3300
3301                                 case HUD_STAT_DIR:
3302                                         e->dir = event.hudchange.data;
3303                                         break;
3304
3305                                 case HUD_STAT_ALIGN:
3306                                         e->align = *event.hudchange.v2fdata;
3307                                         break;
3308
3309                                 case HUD_STAT_OFFSET:
3310                                         e->offset = *event.hudchange.v2fdata;
3311                                         break;
3312
3313                                 case HUD_STAT_WORLD_POS:
3314                                         e->world_pos = *event.hudchange.v3fdata;
3315                                         break;
3316
3317                                 case HUD_STAT_SIZE:
3318                                         e->size = *event.hudchange.v2s32data;
3319                                         break;
3320                                 }
3321                         }
3322
3323                         delete event.hudchange.v3fdata;
3324                         delete event.hudchange.v2fdata;
3325                         delete event.hudchange.sdata;
3326                         delete event.hudchange.v2s32data;
3327                         break;
3328
3329                 case CE_SET_SKY:
3330                         sky->setVisible(false);
3331                         // Whether clouds are visible in front of a custom skybox
3332                         sky->setCloudsEnabled(event.set_sky.clouds);
3333
3334                         if (skybox) {
3335                                 skybox->remove();
3336                                 skybox = NULL;
3337                         }
3338
3339                         // Handle according to type
3340                         if (*event.set_sky.type == "regular") {
3341                                 sky->setVisible(true);
3342                                 sky->setCloudsEnabled(true);
3343                         } else if (*event.set_sky.type == "skybox" &&
3344                                         event.set_sky.params->size() == 6) {
3345                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3346                                 skybox = RenderingEngine::get_scene_manager()->addSkyBoxSceneNode(
3347                                                  texture_src->getTextureForMesh((*event.set_sky.params)[0]),
3348                                                  texture_src->getTextureForMesh((*event.set_sky.params)[1]),
3349                                                  texture_src->getTextureForMesh((*event.set_sky.params)[2]),
3350                                                  texture_src->getTextureForMesh((*event.set_sky.params)[3]),
3351                                                  texture_src->getTextureForMesh((*event.set_sky.params)[4]),
3352                                                  texture_src->getTextureForMesh((*event.set_sky.params)[5]));
3353                         }
3354                         // Handle everything else as plain color
3355                         else {
3356                                 if (*event.set_sky.type != "plain")
3357                                         infostream << "Unknown sky type: "
3358                                                    << (*event.set_sky.type) << std::endl;
3359
3360                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3361                         }
3362
3363                         delete event.set_sky.bgcolor;
3364                         delete event.set_sky.type;
3365                         delete event.set_sky.params;
3366                         break;
3367
3368                 case CE_OVERRIDE_DAY_NIGHT_RATIO:
3369                         client->getEnv().setDayNightRatioOverride(
3370                                         event.override_day_night_ratio.do_override,
3371                                         event.override_day_night_ratio.ratio_f * 1000);
3372                         break;
3373
3374                 case CE_CLOUD_PARAMS:
3375                         if (clouds) {
3376                                 clouds->setDensity(event.cloud_params.density);
3377                                 clouds->setColorBright(video::SColor(event.cloud_params.color_bright));
3378                                 clouds->setColorAmbient(video::SColor(event.cloud_params.color_ambient));
3379                                 clouds->setHeight(event.cloud_params.height);
3380                                 clouds->setThickness(event.cloud_params.thickness);
3381                                 clouds->setSpeed(v2f(
3382                                                 event.cloud_params.speed_x,
3383                                                 event.cloud_params.speed_y));
3384                         }
3385                         break;
3386
3387                 default:
3388                         // unknown or unhandled type
3389                         break;
3390
3391                 }
3392         }
3393 }
3394
3395
3396 void Game::updateCamera(u32 busy_time, f32 dtime)
3397 {
3398         LocalPlayer *player = client->getEnv().getLocalPlayer();
3399
3400         /*
3401                 For interaction purposes, get info about the held item
3402                 - What item is it?
3403                 - Is it a usable item?
3404                 - Can it point to liquids?
3405         */
3406         ItemStack playeritem;
3407         {
3408                 InventoryList *mlist = local_inventory->getList("main");
3409
3410                 if (mlist && client->getPlayerItem() < mlist->getSize())
3411                         playeritem = mlist->getItem(client->getPlayerItem());
3412         }
3413
3414         if (playeritem.getDefinition(itemdef_manager).name.empty()) { // override the hand
3415                 InventoryList *hlist = local_inventory->getList("hand");
3416                 if (hlist)
3417                         playeritem = hlist->getItem(0);
3418         }
3419
3420
3421         ToolCapabilities playeritem_toolcap =
3422                 playeritem.getToolCapabilities(itemdef_manager);
3423
3424         v3s16 old_camera_offset = camera->getOffset();
3425
3426         if (wasKeyDown(KeyType::CAMERA_MODE)) {
3427                 GenericCAO *playercao = player->getCAO();
3428
3429                 // If playercao not loaded, don't change camera
3430                 if (!playercao)
3431                         return;
3432
3433                 camera->toggleCameraMode();
3434
3435                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3436                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3437         }
3438
3439         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3440         float tool_reload_ratio = runData.time_from_last_punch / full_punch_interval;
3441
3442         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3443         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio,
3444                       client->getEnv());
3445         camera->step(dtime);
3446
3447         v3f camera_position = camera->getPosition();
3448         v3f camera_direction = camera->getDirection();
3449         f32 camera_fov = camera->getFovMax();
3450         v3s16 camera_offset = camera->getOffset();
3451
3452         m_camera_offset_changed = (camera_offset != old_camera_offset);
3453
3454         if (!flags.disable_camera_update) {
3455                 client->getEnv().getClientMap().updateCamera(camera_position,
3456                                 camera_direction, camera_fov, camera_offset);
3457
3458                 if (m_camera_offset_changed) {
3459                         client->updateCameraOffset(camera_offset);
3460                         client->getEnv().updateCameraOffset(camera_offset);
3461
3462                         if (clouds)
3463                                 clouds->updateCameraOffset(camera_offset);
3464                 }
3465         }
3466 }
3467
3468
3469 void Game::updateSound(f32 dtime)
3470 {
3471         // Update sound listener
3472         v3s16 camera_offset = camera->getOffset();
3473         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3474                               v3f(0, 0, 0), // velocity
3475                               camera->getDirection(),
3476                               camera->getCameraNode()->getUpVector());
3477
3478         // Check if volume is in the proper range, else fix it.
3479         float old_volume = g_settings->getFloat("sound_volume");
3480         float new_volume = rangelim(old_volume, 0.0f, 1.0f);
3481         sound->setListenerGain(new_volume);
3482
3483         if (old_volume != new_volume) {
3484                 g_settings->setFloat("sound_volume", new_volume);
3485         }
3486
3487         LocalPlayer *player = client->getEnv().getLocalPlayer();
3488
3489         // Tell the sound maker whether to make footstep sounds
3490         soundmaker->makes_footstep_sound = player->makes_footstep_sound;
3491
3492         //      Update sound maker
3493         if (player->makes_footstep_sound)
3494                 soundmaker->step(dtime);
3495
3496         ClientMap &map = client->getEnv().getClientMap();
3497         MapNode n = map.getNodeNoEx(player->getFootstepNodePos());
3498         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3499 }
3500
3501
3502 void Game::processPlayerInteraction(f32 dtime, bool show_hud, bool show_debug)
3503 {
3504         LocalPlayer *player = client->getEnv().getLocalPlayer();
3505
3506         ItemStack playeritem;
3507         {
3508                 InventoryList *mlist = local_inventory->getList("main");
3509
3510                 if (mlist && client->getPlayerItem() < mlist->getSize())
3511                         playeritem = mlist->getItem(client->getPlayerItem());
3512         }
3513
3514         const ItemDefinition &playeritem_def =
3515                         playeritem.getDefinition(itemdef_manager);
3516         InventoryList *hlist = local_inventory->getList("hand");
3517         const ItemDefinition &hand_def =
3518                 hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3519
3520         v3f player_position  = player->getPosition();
3521         v3f camera_position  = camera->getPosition();
3522         v3f camera_direction = camera->getDirection();
3523         v3s16 camera_offset  = camera->getOffset();
3524
3525
3526         /*
3527                 Calculate what block is the crosshair pointing to
3528         */
3529
3530         f32 d = playeritem_def.range; // max. distance
3531         f32 d_hand = hand_def.range;
3532
3533         if (d < 0 && d_hand >= 0)
3534                 d = d_hand;
3535         else if (d < 0)
3536                 d = 4.0;
3537
3538         core::line3d<f32> shootline;
3539
3540         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3541                 shootline = core::line3d<f32>(camera_position,
3542                         camera_position + camera_direction * BS * d);
3543         } else {
3544             // prevent player pointing anything in front-view
3545                 shootline = core::line3d<f32>(camera_position,camera_position);
3546         }
3547
3548 #ifdef HAVE_TOUCHSCREENGUI
3549
3550         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3551                 shootline = g_touchscreengui->getShootline();
3552                 shootline.start += intToFloat(camera_offset, BS);
3553                 shootline.end += intToFloat(camera_offset, BS);
3554         }
3555
3556 #endif
3557
3558         PointedThing pointed = updatePointedThing(shootline,
3559                         playeritem_def.liquids_pointable,
3560                         !runData.ldown_for_dig,
3561                         camera_offset);
3562
3563         if (pointed != runData.pointed_old) {
3564                 infostream << "Pointing at " << pointed.dump() << std::endl;
3565                 hud->updateSelectionMesh(camera_offset);
3566         }
3567
3568         /*
3569                 Stop digging when
3570                 - releasing left mouse button
3571                 - pointing away from node
3572         */
3573         if (runData.digging) {
3574                 if (getLeftReleased()) {
3575                         infostream << "Left button released"
3576                                    << " (stopped digging)" << std::endl;
3577                         runData.digging = false;
3578                 } else if (pointed != runData.pointed_old) {
3579                         if (pointed.type == POINTEDTHING_NODE
3580                                         && runData.pointed_old.type == POINTEDTHING_NODE
3581                                         && pointed.node_undersurface
3582                                                         == runData.pointed_old.node_undersurface) {
3583                                 // Still pointing to the same node, but a different face.
3584                                 // Don't reset.
3585                         } else {
3586                                 infostream << "Pointing away from node"
3587                                            << " (stopped digging)" << std::endl;
3588                                 runData.digging = false;
3589                                 hud->updateSelectionMesh(camera_offset);
3590                         }
3591                 }
3592
3593                 if (!runData.digging) {
3594                         client->interact(1, runData.pointed_old);
3595                         client->setCrack(-1, v3s16(0, 0, 0));
3596                         runData.dig_time = 0.0;
3597                 }
3598         } else if (runData.dig_instantly && getLeftReleased()) {
3599                 // Remove e.g. torches faster when clicking instead of holding LMB
3600                 runData.nodig_delay_timer = 0;
3601                 runData.dig_instantly = false;
3602         }
3603
3604         if (!runData.digging && runData.ldown_for_dig && !isLeftPressed()) {
3605                 runData.ldown_for_dig = false;
3606         }
3607
3608         runData.left_punch = false;
3609
3610         soundmaker->m_player_leftpunch_sound.name = "";
3611
3612         if (isRightPressed())
3613                 runData.repeat_rightclick_timer += dtime;
3614         else
3615                 runData.repeat_rightclick_timer = 0;
3616
3617         if (playeritem_def.usable && isLeftPressed()) {
3618                 if (getLeftClicked() && (!client->moddingEnabled()
3619                                 || !client->getScript()->on_item_use(playeritem, pointed)))
3620                         client->interact(4, pointed);
3621         } else if (pointed.type == POINTEDTHING_NODE) {
3622                 ToolCapabilities playeritem_toolcap =
3623                                 playeritem.getToolCapabilities(itemdef_manager);
3624                 if (playeritem.name.empty() && hand_def.tool_capabilities != NULL) {
3625                         playeritem_toolcap = *hand_def.tool_capabilities;
3626                 }
3627                 handlePointingAtNode(pointed, playeritem_def, playeritem,
3628                         playeritem_toolcap, dtime);
3629         } else if (pointed.type == POINTEDTHING_OBJECT) {
3630                 handlePointingAtObject(pointed, playeritem, player_position, show_debug);
3631         } else if (isLeftPressed()) {
3632                 // When button is held down in air, show continuous animation
3633                 runData.left_punch = true;
3634         } else if (getRightClicked()) {
3635                 handlePointingAtNothing(playeritem);
3636         }
3637
3638         runData.pointed_old = pointed;
3639
3640         if (runData.left_punch || getLeftClicked())
3641                 camera->setDigging(0); // left click animation
3642
3643         input->resetLeftClicked();
3644         input->resetRightClicked();
3645
3646         input->joystick.clearWasKeyDown(KeyType::MOUSE_L);
3647         input->joystick.clearWasKeyDown(KeyType::MOUSE_R);
3648
3649         input->resetLeftReleased();
3650         input->resetRightReleased();
3651
3652         input->joystick.clearWasKeyReleased(KeyType::MOUSE_L);
3653         input->joystick.clearWasKeyReleased(KeyType::MOUSE_R);
3654 }
3655
3656
3657 PointedThing Game::updatePointedThing(
3658         const core::line3d<f32> &shootline,
3659         bool liquids_pointable,
3660         bool look_for_object,
3661         const v3s16 &camera_offset)
3662 {
3663         std::vector<aabb3f> *selectionboxes = hud->getSelectionBoxes();
3664         selectionboxes->clear();
3665         hud->setSelectedFaceNormal(v3f(0.0, 0.0, 0.0));
3666         static thread_local const bool show_entity_selectionbox = g_settings->getBool(
3667                 "show_entity_selectionbox");
3668
3669         ClientMap &map = client->getEnv().getClientMap();
3670         INodeDefManager *nodedef=client->getNodeDefManager();
3671
3672         runData.selected_object = NULL;
3673
3674         PointedThing result=client->getEnv().getPointedThing(
3675                 shootline, liquids_pointable, look_for_object);
3676         if (result.type == POINTEDTHING_OBJECT) {
3677                 runData.selected_object = client->getEnv().getActiveObject(result.object_id);
3678                 if (show_entity_selectionbox && runData.selected_object->doShowSelectionBox()) {
3679                         aabb3f *selection_box = runData.selected_object->getSelectionBox();
3680
3681                         // Box should exist because object was
3682                         // returned in the first place
3683
3684                         assert(selection_box);
3685
3686                         v3f pos = runData.selected_object->getPosition();
3687                         selectionboxes->push_back(aabb3f(
3688                                 selection_box->MinEdge, selection_box->MaxEdge));
3689                         selectionboxes->push_back(
3690                                 aabb3f(selection_box->MinEdge, selection_box->MaxEdge));
3691                         hud->setSelectionPos(pos, camera_offset);
3692                 }
3693         } else if (result.type == POINTEDTHING_NODE) {
3694                 // Update selection boxes
3695                 MapNode n = map.getNodeNoEx(result.node_undersurface);
3696                 std::vector<aabb3f> boxes;
3697                 n.getSelectionBoxes(nodedef, &boxes,
3698                         n.getNeighbors(result.node_undersurface, &map));
3699
3700                 f32 d = 0.002 * BS;
3701                 for (std::vector<aabb3f>::const_iterator i = boxes.begin();
3702                         i != boxes.end(); ++i) {
3703                         aabb3f box = *i;
3704                         box.MinEdge -= v3f(d, d, d);
3705                         box.MaxEdge += v3f(d, d, d);
3706                         selectionboxes->push_back(box);
3707                 }
3708                 hud->setSelectionPos(intToFloat(result.node_undersurface, BS),
3709                         camera_offset);
3710                 hud->setSelectedFaceNormal(v3f(
3711                         result.intersection_normal.X,
3712                         result.intersection_normal.Y,
3713                         result.intersection_normal.Z));
3714         }
3715
3716         // Update selection mesh light level and vertex colors
3717         if (selectionboxes->size() > 0) {
3718                 v3f pf = hud->getSelectionPos();
3719                 v3s16 p = floatToInt(pf, BS);
3720
3721                 // Get selection mesh light level
3722                 MapNode n = map.getNodeNoEx(p);
3723                 u16 node_light = getInteriorLight(n, -1, nodedef);
3724                 u16 light_level = node_light;
3725
3726                 for (u8 i = 0; i < 6; i++) {
3727                         n = map.getNodeNoEx(p + g_6dirs[i]);
3728                         node_light = getInteriorLight(n, -1, nodedef);
3729                         if (node_light > light_level)
3730                                 light_level = node_light;
3731                 }
3732
3733                 u32 daynight_ratio = client->getEnv().getDayNightRatio();
3734                 video::SColor c;
3735                 final_color_blend(&c, light_level, daynight_ratio);
3736
3737                 // Modify final color a bit with time
3738                 u32 timer = porting::getTimeMs() % 5000;
3739                 float timerf = (float) (irr::core::PI * ((timer / 2500.0) - 0.5));
3740                 float sin_r = 0.08 * sin(timerf);
3741                 float sin_g = 0.08 * sin(timerf + irr::core::PI * 0.5);
3742                 float sin_b = 0.08 * sin(timerf + irr::core::PI);
3743                 c.setRed(core::clamp(core::round32(c.getRed() * (0.8 + sin_r)), 0, 255));
3744                 c.setGreen(core::clamp(core::round32(c.getGreen() * (0.8 + sin_g)), 0, 255));
3745                 c.setBlue(core::clamp(core::round32(c.getBlue() * (0.8 + sin_b)), 0, 255));
3746
3747                 // Set mesh final color
3748                 hud->setSelectionMeshColor(c);
3749         }
3750         return result;
3751 }
3752
3753
3754 void Game::handlePointingAtNothing(const ItemStack &playerItem)
3755 {
3756         infostream << "Right Clicked in Air" << std::endl;
3757         PointedThing fauxPointed;
3758         fauxPointed.type = POINTEDTHING_NOTHING;
3759         client->interact(5, fauxPointed);
3760 }
3761
3762
3763 void Game::handlePointingAtNode(const PointedThing &pointed,
3764         const ItemDefinition &playeritem_def, const ItemStack &playeritem,
3765         const ToolCapabilities &playeritem_toolcap, f32 dtime)
3766 {
3767         v3s16 nodepos = pointed.node_undersurface;
3768         v3s16 neighbourpos = pointed.node_abovesurface;
3769
3770         /*
3771                 Check information text of node
3772         */
3773
3774         ClientMap &map = client->getEnv().getClientMap();
3775
3776         if (runData.nodig_delay_timer <= 0.0 && isLeftPressed()
3777                         && client->checkPrivilege("interact")) {
3778                 handleDigging(pointed, nodepos, playeritem_toolcap, dtime);
3779         }
3780
3781         // This should be done after digging handling
3782         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3783
3784         if (meta) {
3785                 infotext = unescape_enriched(utf8_to_wide(meta->getString("infotext")));
3786         } else {
3787                 MapNode n = map.getNodeNoEx(nodepos);
3788
3789                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3790                         infotext = L"Unknown node: ";
3791                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3792                 }
3793         }
3794
3795         if ((getRightClicked() ||
3796                         runData.repeat_rightclick_timer >= m_repeat_right_click_time) &&
3797                         client->checkPrivilege("interact")) {
3798                 runData.repeat_rightclick_timer = 0;
3799                 infostream << "Ground right-clicked" << std::endl;
3800
3801                 if (meta && meta->getString("formspec") != "" && !random_input
3802                                 && !isKeyDown(KeyType::SNEAK)) {
3803                         infostream << "Launching custom inventory view" << std::endl;
3804
3805                         InventoryLocation inventoryloc;
3806                         inventoryloc.setNodeMeta(nodepos);
3807
3808                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3809                                 &client->getEnv().getClientMap(), nodepos);
3810                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3811
3812                         create_formspec_menu(&current_formspec, client,
3813                                 &input->joystick, fs_src, txt_dst);
3814                         cur_formname = "";
3815
3816                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3817                 } else {
3818                         // Report right click to server
3819
3820                         camera->setDigging(1);  // right click animation (always shown for feedback)
3821
3822                         // If the wielded item has node placement prediction,
3823                         // make that happen
3824                         bool placed = nodePlacementPrediction(*client,
3825                                         playeritem_def, playeritem,
3826                                         nodepos, neighbourpos);
3827
3828                         if (placed) {
3829                                 // Report to server
3830                                 client->interact(3, pointed);
3831                                 // Read the sound
3832                                 soundmaker->m_player_rightpunch_sound =
3833                                                 playeritem_def.sound_place;
3834
3835                                 if (client->moddingEnabled())
3836                                         client->getScript()->on_placenode(pointed, playeritem_def);
3837                         } else {
3838                                 soundmaker->m_player_rightpunch_sound =
3839                                                 SimpleSoundSpec();
3840
3841                                 if (playeritem_def.node_placement_prediction == "" ||
3842                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3843                                         client->interact(3, pointed); // Report to server
3844                                 } else {
3845                                         soundmaker->m_player_rightpunch_sound =
3846                                                 playeritem_def.sound_place_failed;
3847                                 }
3848                         }
3849                 }
3850         }
3851 }
3852
3853
3854 void Game::handlePointingAtObject(const PointedThing &pointed, const ItemStack &playeritem,
3855                 const v3f &player_position, bool show_debug)
3856 {
3857         infotext = unescape_enriched(
3858                 utf8_to_wide(runData.selected_object->infoText()));
3859
3860         if (show_debug) {
3861                 if (infotext != L"") {
3862                         infotext += L"\n";
3863                 }
3864                 infotext += unescape_enriched(utf8_to_wide(
3865                         runData.selected_object->debugInfoText()));
3866         }
3867
3868         if (isLeftPressed()) {
3869                 bool do_punch = false;
3870                 bool do_punch_damage = false;
3871
3872                 if (runData.object_hit_delay_timer <= 0.0) {
3873                         do_punch = true;
3874                         do_punch_damage = true;
3875                         runData.object_hit_delay_timer = object_hit_delay;
3876                 }
3877
3878                 if (getLeftClicked())
3879                         do_punch = true;
3880
3881                 if (do_punch) {
3882                         infostream << "Left-clicked object" << std::endl;
3883                         runData.left_punch = true;
3884                 }
3885
3886                 if (do_punch_damage) {
3887                         // Report direct punch
3888                         v3f objpos = runData.selected_object->getPosition();
3889                         v3f dir = (objpos - player_position).normalize();
3890                         ItemStack item = playeritem;
3891                         if (playeritem.name.empty()) {
3892                                 InventoryList *hlist = local_inventory->getList("hand");
3893                                 if (hlist) {
3894                                         item = hlist->getItem(0);
3895                                 }
3896                         }
3897
3898                         bool disable_send = runData.selected_object->directReportPunch(
3899                                         dir, &item, runData.time_from_last_punch);
3900                         runData.time_from_last_punch = 0;
3901
3902                         if (!disable_send)
3903                                 client->interact(0, pointed);
3904                 }
3905         } else if (getRightClicked()) {
3906                 infostream << "Right-clicked object" << std::endl;
3907                 client->interact(3, pointed);  // place
3908         }
3909 }
3910
3911
3912 void Game::handleDigging(const PointedThing &pointed, const v3s16 &nodepos,
3913                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3914 {
3915         LocalPlayer *player = client->getEnv().getLocalPlayer();
3916         ClientMap &map = client->getEnv().getClientMap();
3917         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3918
3919         // NOTE: Similar piece of code exists on the server side for
3920         // cheat detection.
3921         // Get digging parameters
3922         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3923                         &playeritem_toolcap);
3924
3925         // If can't dig, try hand
3926         if (!params.diggable) {
3927                 InventoryList *hlist = local_inventory->getList("hand");
3928                 const ItemDefinition &hand =
3929                         hlist ? hlist->getItem(0).getDefinition(itemdef_manager) : itemdef_manager->get("");
3930                 const ToolCapabilities *tp = hand.tool_capabilities;
3931
3932                 if (tp)
3933                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3934         }
3935
3936         if (!params.diggable) {
3937                 // I guess nobody will wait for this long
3938                 runData.dig_time_complete = 10000000.0;
3939         } else {
3940                 runData.dig_time_complete = params.time;
3941
3942                 if (m_cache_enable_particles) {
3943                         const ContentFeatures &features = client->getNodeDefManager()->get(n);
3944                         client->getParticleManager()->addPunchingParticles(client,
3945                                         player, nodepos, n, features);
3946                 }
3947         }
3948
3949         if (!runData.digging) {
3950                 infostream << "Started digging" << std::endl;
3951                 runData.dig_instantly = runData.dig_time_complete == 0;
3952                 if (client->moddingEnabled() && client->getScript()->on_punchnode(nodepos, n))
3953                         return;
3954                 client->interact(0, pointed);
3955                 runData.digging = true;
3956                 runData.ldown_for_dig = true;
3957         }
3958
3959         if (!runData.dig_instantly) {
3960                 runData.dig_index = (float)crack_animation_length
3961                                 * runData.dig_time
3962                                 / runData.dig_time_complete;
3963         } else {
3964                 // This is for e.g. torches
3965                 runData.dig_index = crack_animation_length;
3966         }
3967
3968         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3969
3970         if (sound_dig.exists() && params.diggable) {
3971                 if (sound_dig.name == "__group") {
3972                         if (params.main_group != "") {
3973                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3974                                 soundmaker->m_player_leftpunch_sound.name =
3975                                                 std::string("default_dig_") +
3976                                                 params.main_group;
3977                         }
3978                 } else {
3979                         soundmaker->m_player_leftpunch_sound = sound_dig;
3980                 }
3981         }
3982
3983         // Don't show cracks if not diggable
3984         if (runData.dig_time_complete >= 100000.0) {
3985         } else if (runData.dig_index < crack_animation_length) {
3986                 //TimeTaker timer("client.setTempMod");
3987                 //infostream<<"dig_index="<<dig_index<<std::endl;
3988                 client->setCrack(runData.dig_index, nodepos);
3989         } else {
3990                 infostream << "Digging completed" << std::endl;
3991                 client->setCrack(-1, v3s16(0, 0, 0));
3992
3993                 runData.dig_time = 0;
3994                 runData.digging = false;
3995
3996                 runData.nodig_delay_timer =
3997                                 runData.dig_time_complete / (float)crack_animation_length;
3998
3999                 // We don't want a corresponding delay to very time consuming nodes
4000                 // and nodes without digging time (e.g. torches) get a fixed delay.
4001                 if (runData.nodig_delay_timer > 0.3)
4002                         runData.nodig_delay_timer = 0.3;
4003                 else if (runData.dig_instantly)
4004                         runData.nodig_delay_timer = 0.15;
4005
4006                 bool is_valid_position;
4007                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
4008                 if (is_valid_position) {
4009                         if (client->moddingEnabled() &&
4010                                         client->getScript()->on_dignode(nodepos, wasnode)) {
4011                                 return;
4012                         }
4013                         client->removeNode(nodepos);
4014                 }
4015
4016                 client->interact(2, pointed);
4017
4018                 if (m_cache_enable_particles) {
4019                         const ContentFeatures &features =
4020                                 client->getNodeDefManager()->get(wasnode);
4021                         client->getParticleManager()->addDiggingParticles(client,
4022                                 player, nodepos, wasnode, features);
4023                 }
4024
4025
4026                 // Send event to trigger sound
4027                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
4028                 client->event()->put(e);
4029         }
4030
4031         if (runData.dig_time_complete < 100000.0) {
4032                 runData.dig_time += dtime;
4033         } else {
4034                 runData.dig_time = 0;
4035                 client->setCrack(-1, nodepos);
4036         }
4037
4038         camera->setDigging(0);  // left click animation
4039 }
4040
4041
4042 void Game::updateFrame(ProfilerGraph *graph, RunStats *stats, f32 dtime,
4043                 const CameraOrientation &cam)
4044 {
4045         LocalPlayer *player = client->getEnv().getLocalPlayer();
4046
4047         /*
4048                 Fog range
4049         */
4050
4051         if (draw_control->range_all) {
4052                 runData.fog_range = 100000 * BS;
4053         } else {
4054                 runData.fog_range = draw_control->wanted_range * BS;
4055         }
4056
4057         /*
4058                 Calculate general brightness
4059         */
4060         u32 daynight_ratio = client->getEnv().getDayNightRatio();
4061         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
4062         float direct_brightness;
4063         bool sunlight_seen;
4064
4065         if (m_cache_enable_noclip && m_cache_enable_free_move) {
4066                 direct_brightness = time_brightness;
4067                 sunlight_seen = true;
4068         } else {
4069                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
4070                 float old_brightness = sky->getBrightness();
4071                 direct_brightness = client->getEnv().getClientMap()
4072                                 .getBackgroundBrightness(MYMIN(runData.fog_range * 1.2, 60 * BS),
4073                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
4074                                     / 255.0;
4075         }
4076
4077         float time_of_day_smooth = runData.time_of_day_smooth;
4078         float time_of_day = client->getEnv().getTimeOfDayF();
4079
4080         static const float maxsm = 0.05;
4081         static const float todsm = 0.05;
4082
4083         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
4084                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
4085                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
4086                 time_of_day_smooth = time_of_day;
4087
4088         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
4089                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4090                                 + (time_of_day + 1.0) * todsm;
4091         else
4092                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
4093                                 + time_of_day * todsm;
4094
4095         runData.time_of_day = time_of_day;
4096         runData.time_of_day_smooth = time_of_day_smooth;
4097
4098         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
4099                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
4100                         player->getPitch());
4101
4102         /*
4103                 Update clouds
4104         */
4105         if (clouds) {
4106                 v3f player_position = player->getPosition();
4107                 if (sky->getCloudsVisible()) {
4108                         clouds->setVisible(true);
4109                         clouds->step(dtime);
4110                         clouds->update(v2f(player_position.X, player_position.Z),
4111                                        sky->getCloudColor());
4112                 } else {
4113                         clouds->setVisible(false);
4114                 }
4115         }
4116
4117         /*
4118                 Update particles
4119         */
4120         client->getParticleManager()->step(dtime);
4121
4122         /*
4123                 Fog
4124         */
4125
4126         if (m_cache_enable_fog && !flags.force_fog_off) {
4127                 driver->setFog(
4128                                 sky->getBgColor(),
4129                                 video::EFT_FOG_LINEAR,
4130                                 runData.fog_range * m_cache_fog_start,
4131                                 runData.fog_range * 1.0,
4132                                 0.01,
4133                                 false, // pixel fog
4134                                 true // range fog
4135                 );
4136         } else {
4137                 driver->setFog(
4138                                 sky->getBgColor(),
4139                                 video::EFT_FOG_LINEAR,
4140                                 100000 * BS,
4141                                 110000 * BS,
4142                                 0.01,
4143                                 false, // pixel fog
4144                                 false // range fog
4145                 );
4146         }
4147
4148         /*
4149                 Get chat messages from client
4150         */
4151
4152         v2u32 screensize = driver->getScreenSize();
4153
4154         updateChat(*client, dtime, flags.show_debug, screensize,
4155                         flags.show_chat, runData.profiler_current_page,
4156                         *chat_backend, guitext_chat);
4157
4158         /*
4159                 Inventory
4160         */
4161
4162         if (client->getPlayerItem() != runData.new_playeritem)
4163                 client->selectPlayerItem(runData.new_playeritem);
4164
4165         // Update local inventory if it has changed
4166         if (client->getLocalInventoryUpdated()) {
4167                 //infostream<<"Updating local inventory"<<std::endl;
4168                 client->getLocalInventory(*local_inventory);
4169                 runData.update_wielded_item_trigger = true;
4170         }
4171
4172         if (runData.update_wielded_item_trigger) {
4173                 // Update wielded tool
4174                 InventoryList *mlist = local_inventory->getList("main");
4175
4176                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4177                         ItemStack item = mlist->getItem(client->getPlayerItem());
4178                         if (item.getDefinition(itemdef_manager).name.empty()) { // override the hand
4179                                 InventoryList *hlist = local_inventory->getList("hand");
4180                                 if (hlist)
4181                                         item = hlist->getItem(0);
4182                         }
4183                         camera->wield(item);
4184                 }
4185
4186                 runData.update_wielded_item_trigger = false;
4187         }
4188
4189         /*
4190                 Update block draw list every 200ms or when camera direction has
4191                 changed much
4192         */
4193         runData.update_draw_list_timer += dtime;
4194
4195         v3f camera_direction = camera->getDirection();
4196         if (runData.update_draw_list_timer >= 0.2
4197                         || runData.update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4198                         || m_camera_offset_changed) {
4199                 runData.update_draw_list_timer = 0;
4200                 client->getEnv().getClientMap().updateDrawList(driver);
4201                 runData.update_draw_list_last_cam_dir = camera_direction;
4202         }
4203
4204         updateGui(*stats, dtime, cam);
4205
4206         /*
4207            make sure menu is on top
4208            1. Delete formspec menu reference if menu was removed
4209            2. Else, make sure formspec menu is on top
4210         */
4211         if (current_formspec) {
4212                 if (current_formspec->getReferenceCount() == 1) {
4213                         current_formspec->drop();
4214                         current_formspec = NULL;
4215                 } else if (isMenuActive()) {
4216                         guiroot->bringToFront(current_formspec);
4217                 }
4218         }
4219
4220         /*
4221                 Drawing begins
4222         */
4223
4224         const video::SColor &skycolor = sky->getSkyColor();
4225
4226         TimeTaker tt_draw("mainloop: draw");
4227         driver->beginScene(true, true, skycolor);
4228
4229         RenderingEngine::draw_scene(camera, client, player, hud, mapper,
4230                         guienv, screensize, skycolor, flags.show_hud,
4231                         flags.show_minimap);
4232
4233         /*
4234                 Profiler graph
4235         */
4236         if (flags.show_profiler_graph)
4237                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4238
4239         /*
4240                 Damage flash
4241         */
4242         if (runData.damage_flash > 0.0) {
4243                 video::SColor color(runData.damage_flash, 180, 0, 0);
4244                 driver->draw2DRectangle(color,
4245                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4246                                         NULL);
4247
4248                 runData.damage_flash -= 100.0 * dtime;
4249         }
4250
4251         /*
4252                 Damage camera tilt
4253         */
4254         if (player->hurt_tilt_timer > 0.0) {
4255                 player->hurt_tilt_timer -= dtime * 5;
4256
4257                 if (player->hurt_tilt_timer < 0)
4258                         player->hurt_tilt_strength = 0;
4259         }
4260
4261         /*
4262                 Update minimap pos and rotation
4263         */
4264         if (mapper && flags.show_minimap && flags.show_hud) {
4265                 mapper->setPos(floatToInt(player->getPosition(), BS));
4266                 mapper->setAngle(player->getYaw());
4267         }
4268
4269         /*
4270                 End scene
4271         */
4272         driver->endScene();
4273
4274         stats->drawtime = tt_draw.stop(true);
4275         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4276 }
4277
4278
4279 inline static const char *yawToDirectionString(int yaw)
4280 {
4281         static const char *direction[4] = {"North [+Z]", "West [-X]", "South [-Z]", "East [+X]"};
4282
4283         yaw = wrapDegrees_0_360(yaw);
4284         yaw = (yaw + 45) % 360 / 90;
4285
4286         return direction[yaw];
4287 }
4288
4289
4290 void Game::updateGui(const RunStats &stats, f32 dtime, const CameraOrientation &cam)
4291 {
4292         v2u32 screensize = driver->getScreenSize();
4293         LocalPlayer *player = client->getEnv().getLocalPlayer();
4294         v3f player_position = player->getPosition();
4295
4296         if (flags.show_debug) {
4297                 static float drawtime_avg = 0;
4298                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4299
4300                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4301
4302                 std::ostringstream os(std::ios_base::binary);
4303                 os << std::fixed
4304                    << PROJECT_NAME_C " " << g_version_hash
4305                    << "; " << fps << " FPS"
4306                    << ", (R: range_all=" << draw_control->range_all << ")"
4307                    << std::setprecision(0)
4308                    << ", drawtime = " << drawtime_avg << " ms"
4309                    << std::setprecision(1)
4310                    << ", dtime_jitter = "
4311                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
4312                    << std::setprecision(1)
4313                    << ", v_range = " << draw_control->wanted_range
4314                    << std::setprecision(3)
4315                    << ", RTT = " << client->getRTT() << " s";
4316                 setStaticText(guitext, utf8_to_wide(os.str()).c_str());
4317                 guitext->setVisible(true);
4318         } else {
4319                 guitext->setVisible(false);
4320         }
4321
4322         if (guitext->isVisible()) {
4323                 core::rect<s32> rect(
4324                                 5,              5,
4325                                 screensize.X,   5 + g_fontengine->getTextHeight()
4326                 );
4327                 guitext->setRelativePosition(rect);
4328         }
4329
4330         if (flags.show_debug) {
4331                 std::ostringstream os(std::ios_base::binary);
4332                 os << std::setprecision(1) << std::fixed
4333                    << "(" << (player_position.X / BS)
4334                    << ", " << (player_position.Y / BS)
4335                    << ", " << (player_position.Z / BS)
4336                    << ") (yaw=" << (wrapDegrees_0_360(cam.camera_yaw)) << "°"
4337                    << " " << yawToDirectionString(cam.camera_yaw)
4338                    << ") (seed = " << ((u64)client->getMapSeed())
4339                    << ")";
4340
4341                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4342                         ClientMap &map = client->getEnv().getClientMap();
4343                         const INodeDefManager *nodedef = client->getNodeDefManager();
4344                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4345                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4346                                 const ContentFeatures &features = nodedef->get(n);
4347                                 os << " (pointing_at = \"" << nodedef->get(n).name
4348                                    << "\", param1 = " << (u64) n.getParam1()
4349                                    << ", param2 = " << (u64) n.getParam2()
4350                                    << ", tiledef[0] = \"" << features.tiledef[0].name.c_str()
4351                                    << "\")";
4352                         }
4353                 }
4354
4355                 setStaticText(guitext2, utf8_to_wide(os.str()).c_str());
4356                 guitext2->setVisible(true);
4357
4358                 core::rect<s32> rect(
4359                                 5,             5 + g_fontengine->getTextHeight(),
4360                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4361                 );
4362                 guitext2->setRelativePosition(rect);
4363         } else {
4364                 guitext2->setVisible(false);
4365         }
4366
4367         setStaticText(guitext_info, infotext.c_str());
4368         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4369
4370         float statustext_time_max = 1.5;
4371
4372         if (!m_statustext.empty()) {
4373                 runData.statustext_time += dtime;
4374
4375                 if (runData.statustext_time >= statustext_time_max) {
4376                         m_statustext = L"";
4377                         runData.statustext_time = 0;
4378                 }
4379         }
4380
4381         setStaticText(guitext_status, m_statustext.c_str());
4382         guitext_status->setVisible(!m_statustext.empty());
4383
4384         if (!m_statustext.empty()) {
4385                 s32 status_width  = guitext_status->getTextWidth();
4386                 s32 status_height = guitext_status->getTextHeight();
4387                 s32 status_y = screensize.Y - 150;
4388                 s32 status_x = (screensize.X - status_width) / 2;
4389                 core::rect<s32> rect(
4390                                 status_x , status_y - status_height,
4391                                 status_x + status_width, status_y
4392                 );
4393                 guitext_status->setRelativePosition(rect);
4394
4395                 // Fade out
4396                 video::SColor initial_color(255, 0, 0, 0);
4397
4398                 if (guienv->getSkin())
4399                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4400
4401                 video::SColor final_color = initial_color;
4402                 final_color.setAlpha(0);
4403                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4404                                 initial_color, final_color,
4405                                 pow(runData.statustext_time / statustext_time_max, 2.0f));
4406                 guitext_status->setOverrideColor(fade_color);
4407                 guitext_status->enableOverrideColor(true);
4408         }
4409 }
4410
4411
4412 /* Log times and stuff for visualization */
4413 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4414 {
4415         Profiler::GraphValues values;
4416         g_profiler->graphGet(values);
4417         graph->put(values);
4418 }
4419
4420
4421
4422 /****************************************************************************
4423  Misc
4424  ****************************************************************************/
4425
4426 /* On some computers framerate doesn't seem to be automatically limited
4427  */
4428 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4429 {
4430         // not using getRealTime is necessary for wine
4431         device->getTimer()->tick(); // Maker sure device time is up-to-date
4432         u32 time = device->getTimer()->getTime();
4433         u32 last_time = fps_timings->last_time;
4434
4435         if (time > last_time)  // Make sure time hasn't overflowed
4436                 fps_timings->busy_time = time - last_time;
4437         else
4438                 fps_timings->busy_time = 0;
4439
4440         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4441                         ? g_settings->getFloat("pause_fps_max")
4442                         : g_settings->getFloat("fps_max"));
4443
4444         if (fps_timings->busy_time < frametime_min) {
4445                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4446                 device->sleep(fps_timings->sleep_time);
4447         } else {
4448                 fps_timings->sleep_time = 0;
4449         }
4450
4451         /* Get the new value of the device timer. Note that device->sleep() may
4452          * not sleep for the entire requested time as sleep may be interrupted and
4453          * therefore it is arguably more accurate to get the new time from the
4454          * device rather than calculating it by adding sleep_time to time.
4455          */
4456
4457         device->getTimer()->tick(); // Update device timer
4458         time = device->getTimer()->getTime();
4459
4460         if (time > last_time)  // Make sure last_time hasn't overflowed
4461                 *dtime = (time - last_time) / 1000.0;
4462         else
4463                 *dtime = 0;
4464
4465         fps_timings->last_time = time;
4466 }
4467
4468 void Game::showOverlayMessage(const char *msg, float dtime, int percent, bool draw_clouds)
4469 {
4470         const wchar_t *wmsg = wgettext(msg);
4471         RenderingEngine::draw_load_screen(wmsg, guienv, texture_src, dtime, percent,
4472                 draw_clouds);
4473         delete[] wmsg;
4474 }
4475
4476 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4477 {
4478         ((Game *)data)->readSettings();
4479 }
4480
4481 void Game::readSettings()
4482 {
4483         m_cache_doubletap_jump               = g_settings->getBool("doubletap_jump");
4484         m_cache_enable_clouds                = g_settings->getBool("enable_clouds");
4485         m_cache_enable_joysticks             = g_settings->getBool("enable_joysticks");
4486         m_cache_enable_particles             = g_settings->getBool("enable_particles");
4487         m_cache_enable_fog                   = g_settings->getBool("enable_fog");
4488         m_cache_mouse_sensitivity            = g_settings->getFloat("mouse_sensitivity");
4489         m_cache_joystick_frustum_sensitivity = g_settings->getFloat("joystick_frustum_sensitivity");
4490         m_repeat_right_click_time            = g_settings->getFloat("repeat_rightclick_time");
4491
4492         m_cache_enable_noclip                = g_settings->getBool("noclip");
4493         m_cache_enable_free_move             = g_settings->getBool("free_move");
4494
4495         m_cache_fog_start                    = g_settings->getFloat("fog_start");
4496
4497         m_cache_cam_smoothing = 0;
4498         if (g_settings->getBool("cinematic"))
4499                 m_cache_cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
4500         else
4501                 m_cache_cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
4502
4503         m_cache_fog_start = rangelim(m_cache_fog_start, 0.0f, 0.99f);
4504         m_cache_cam_smoothing = rangelim(m_cache_cam_smoothing, 0.01f, 1.0f);
4505         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4506
4507 }
4508
4509 /****************************************************************************/
4510 /****************************************************************************
4511  Shutdown / cleanup
4512  ****************************************************************************/
4513 /****************************************************************************/
4514
4515 void Game::extendedResourceCleanup()
4516 {
4517         // Extended resource accounting
4518         infostream << "Irrlicht resources after cleanup:" << std::endl;
4519         infostream << "\tRemaining meshes   : "
4520                    << RenderingEngine::get_mesh_cache()->getMeshCount() << std::endl;
4521         infostream << "\tRemaining textures : "
4522                    << driver->getTextureCount() << std::endl;
4523
4524         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4525                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4526                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4527                            << std::endl;
4528         }
4529
4530         clearTextureNameCache();
4531         infostream << "\tRemaining materials: "
4532                << driver-> getMaterialRendererCount()
4533                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4534 }
4535
4536 #define GET_KEY_NAME(KEY) gettext(getKeySetting(#KEY).name())
4537 void Game::showPauseMenu()
4538 {
4539 #ifdef __ANDROID__
4540         static const std::string control_text = strgettext("Default Controls:\n"
4541                 "No menu visible:\n"
4542                 "- single tap: button activate\n"
4543                 "- double tap: place/use\n"
4544                 "- slide finger: look around\n"
4545                 "Menu/Inventory visible:\n"
4546                 "- double tap (outside):\n"
4547                 " -->close\n"
4548                 "- touch stack, touch slot:\n"
4549                 " --> move stack\n"
4550                 "- touch&drag, tap 2nd finger\n"
4551                 " --> place single item to slot\n"
4552                 );
4553 #else
4554         static const std::string control_text_template = strgettext("Controls:\n"
4555                 "- %s: move forwards\n"
4556                 "- %s: move backwards\n"
4557                 "- %s: move left\n"
4558                 "- %s: move right\n"
4559                 "- %s: jump/climb\n"
4560                 "- %s: sneak/go down\n"
4561                 "- %s: drop item\n"
4562                 "- %s: inventory\n"
4563                 "- Mouse: turn/look\n"
4564                 "- Mouse left: dig/punch\n"
4565                 "- Mouse right: place/use\n"
4566                 "- Mouse wheel: select item\n"
4567                 "- %s: chat\n"
4568         );
4569
4570          char control_text_buf[600];
4571
4572          snprintf(control_text_buf, ARRLEN(control_text_buf), control_text_template.c_str(),
4573                         GET_KEY_NAME(keymap_forward),
4574                         GET_KEY_NAME(keymap_backward),
4575                         GET_KEY_NAME(keymap_left),
4576                         GET_KEY_NAME(keymap_right),
4577                         GET_KEY_NAME(keymap_jump),
4578                         GET_KEY_NAME(keymap_sneak),
4579                         GET_KEY_NAME(keymap_drop),
4580                         GET_KEY_NAME(keymap_inventory),
4581                         GET_KEY_NAME(keymap_chat)
4582                         );
4583
4584         std::string control_text = std::string(control_text_buf);
4585         str_formspec_escape(control_text);
4586 #endif
4587
4588         float ypos = simple_singleplayer_mode ? 0.7f : 0.1f;
4589         std::ostringstream os;
4590
4591         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
4592                 << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
4593                 << strgettext("Continue") << "]";
4594
4595         if (!simple_singleplayer_mode) {
4596                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
4597                         << strgettext("Change Password") << "]";
4598         } else {
4599                 os << "field[4.95,0;5,1.5;;" << strgettext("Game paused") << ";]";
4600         }
4601
4602 #ifndef __ANDROID__
4603         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
4604                 << strgettext("Sound Volume") << "]";
4605         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
4606                 << strgettext("Change Keys")  << "]";
4607 #endif
4608         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
4609                 << strgettext("Exit to Menu") << "]";
4610         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
4611                 << strgettext("Exit to OS")   << "]"
4612                 << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
4613                 << "textarea[0.4,0.25;3.9,6.25;;" << PROJECT_NAME_C " " VERSION_STRING "\n"
4614                 << "\n"
4615                 <<  strgettext("Game info:") << "\n";
4616         const std::string &address = client->getAddressName();
4617         static const std::string mode = strgettext("- Mode: ");
4618         if (!simple_singleplayer_mode) {
4619                 Address serverAddress = client->getServerAddress();
4620                 if (address != "") {
4621                         os << mode << strgettext("Remote server") << "\n"
4622                                         << strgettext("- Address: ") << address;
4623                 } else {
4624                         os << mode << strgettext("Hosting server");
4625                 }
4626                 os << "\n" << strgettext("- Port: ") << serverAddress.getPort() << "\n";
4627         } else {
4628                 os << mode << strgettext("Singleplayer") << "\n";
4629         }
4630         if (simple_singleplayer_mode || address == "") {
4631                 static const std::string on = strgettext("On");
4632                 static const std::string off = strgettext("Off");
4633                 const std::string &damage = g_settings->getBool("enable_damage") ? on : off;
4634                 const std::string &creative = g_settings->getBool("creative_mode") ? on : off;
4635                 const std::string &announced = g_settings->getBool("server_announce") ? on : off;
4636                 os << strgettext("- Damage: ") << damage << "\n"
4637                                 << strgettext("- Creative Mode: ") << creative << "\n";
4638                 if (!simple_singleplayer_mode) {
4639                         const std::string &pvp = g_settings->getBool("enable_pvp") ? on : off;
4640                         os << strgettext("- PvP: ") << pvp << "\n"
4641                                         << strgettext("- Public: ") << announced << "\n";
4642                         std::string server_name = g_settings->get("server_name");
4643                         str_formspec_escape(server_name);
4644                         if (announced == on && server_name != "")
4645                                 os << strgettext("- Server Name: ") << server_name;
4646
4647                 }
4648         }
4649         os << ";]";
4650
4651         /* Create menu */
4652         /* Note: FormspecFormSource and LocalFormspecHandler  *
4653          * are deleted by guiFormSpecMenu                     */
4654         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
4655         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
4656
4657         create_formspec_menu(&current_formspec, client, &input->joystick, fs_src, txt_dst);
4658         current_formspec->setFocus("btn_continue");
4659         current_formspec->doPause = true;
4660 }
4661
4662 /****************************************************************************/
4663 /****************************************************************************
4664  extern function for launching the game
4665  ****************************************************************************/
4666 /****************************************************************************/
4667
4668 void the_game(bool *kill,
4669                 bool random_input,
4670                 InputHandler *input,
4671                 const std::string &map_dir,
4672                 const std::string &playername,
4673                 const std::string &password,
4674                 const std::string &address,         // If empty local server is created
4675                 u16 port,
4676
4677                 std::string &error_message,
4678                 ChatBackend &chat_backend,
4679                 bool *reconnect_requested,
4680                 const SubgameSpec &gamespec,        // Used for local game
4681                 bool simple_singleplayer_mode)
4682 {
4683         Game game;
4684
4685         /* Make a copy of the server address because if a local singleplayer server
4686          * is created then this is updated and we don't want to change the value
4687          * passed to us by the calling function
4688          */
4689         std::string server_address = address;
4690
4691         try {
4692
4693                 if (game.startup(kill, random_input, input, map_dir,
4694                                 playername, password, &server_address, port, error_message,
4695                                 reconnect_requested, &chat_backend, gamespec,
4696                                 simple_singleplayer_mode)) {
4697                         game.run();
4698                         game.shutdown();
4699                 }
4700
4701         } catch (SerializationError &e) {
4702                 error_message = std::string("A serialization error occurred:\n")
4703                                 + e.what() + "\n\nThe server is probably "
4704                                 " running a different version of " PROJECT_NAME_C ".";
4705                 errorstream << error_message << std::endl;
4706         } catch (ServerError &e) {
4707                 error_message = e.what();
4708                 errorstream << "ServerError: " << error_message << std::endl;
4709         } catch (ModError &e) {
4710                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4711                 errorstream << "ModError: " << error_message << std::endl;
4712         }
4713 }