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 "camera.h"
  24 #include "client.h"
  25 #include "client/tile.h"     // For TextureSource
  26 #include "clientmap.h"
  27 #include "clouds.h"
  28 #include "config.h"
  29 #include "content_cao.h"
  30 #include "drawscene.h"
  31 #include "event_manager.h"
  32 #include "fontengine.h"
  33 #include "itemdef.h"
  34 #include "log.h"
  35 #include "filesys.h"
  36 #include "gettext.h"
  37 #include "guiChatConsole.h"
  38 #include "guiFormSpecMenu.h"
  39 #include "guiKeyChangeMenu.h"
  40 #include "guiPasswordChange.h"
  41 #include "guiVolumeChange.h"
  42 #include "hud.h"
  43 #include "logoutputbuffer.h"
  44 #include "mainmenumanager.h"
  45 #include "mapblock.h"
  46 #include "nodedef.h"         // Needed for determining pointing to nodes
  47 #include "nodemetadata.h"
  48 #include "particles.h"
  49 #include "profiler.h"
  50 #include "quicktune_shortcutter.h"
  51 #include "server.h"
  52 #include "settings.h"
  53 #include "shader.h"          // For ShaderSource
  54 #include "sky.h"
  55 #include "subgame.h"
  56 #include "tool.h"
  57 #include "util/directiontables.h"
  58 #include "util/pointedthing.h"
  59 #include "version.h"
  60 #include "minimap.h"
  61
  62 #include "sound.h"
  63
  64 #if USE_SOUND
  65         #include "sound_openal.h"
  66 #endif
  67
  68 #ifdef HAVE_TOUCHSCREENGUI
  69         #include "touchscreengui.h"
  70 #endif
  71
  72 extern Settings *g_settings;
  73 extern Profiler *g_profiler;
  74
  75 /*
  76         Text input system
  77 */
  78
  79 struct TextDestNodeMetadata : public TextDest {
  80         TextDestNodeMetadata(v3s16 p, Client *client)
  81         {
  82                 m_p = p;
  83                 m_client = client;
  84         }
  85         // This is deprecated I guess? -celeron55
  86         void gotText(std::wstring text)
  87         {
  88                 std::string ntext = wide_to_narrow(text);
  89                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  90                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  91                 StringMap fields;
  92                 fields["text"] = ntext;
  93                 m_client->sendNodemetaFields(m_p, "", fields);
  94         }
  95         void gotText(const StringMap &fields)
  96         {
  97                 m_client->sendNodemetaFields(m_p, "", fields);
  98         }
  99
 100         v3s16 m_p;
 101         Client *m_client;
 102 };
 103
 104 struct TextDestPlayerInventory : public TextDest {
 105         TextDestPlayerInventory(Client *client)
 106         {
 107                 m_client = client;
 108                 m_formname = "";
 109         }
 110         TextDestPlayerInventory(Client *client, std::string formname)
 111         {
 112                 m_client = client;
 113                 m_formname = formname;
 114         }
 115         void gotText(const StringMap &fields)
 116         {
 117                 m_client->sendInventoryFields(m_formname, fields);
 118         }
 119
 120         Client *m_client;
 121 };
 122
 123 struct LocalFormspecHandler : public TextDest {
 124         LocalFormspecHandler();
 125         LocalFormspecHandler(std::string formname) :
 126                 m_client(0)
 127         {
 128                 m_formname = formname;
 129         }
 130
 131         LocalFormspecHandler(std::string formname, Client *client) :
 132                 m_client(client)
 133         {
 134                 m_formname = formname;
 135         }
 136
 137         void gotText(std::wstring message)
 138         {
 139                 errorstream << "LocalFormspecHandler::gotText old style message received" << std::endl;
 140         }
 141
 142         void gotText(const StringMap &fields)
 143         {
 144                 if (m_formname == "MT_PAUSE_MENU") {
 145                         if (fields.find("btn_sound") != fields.end()) {
 146                                 g_gamecallback->changeVolume();
 147                                 return;
 148                         }
 149
 150                         if (fields.find("btn_key_config") != fields.end()) {
 151                                 g_gamecallback->keyConfig();
 152                                 return;
 153                         }
 154
 155                         if (fields.find("btn_exit_menu") != fields.end()) {
 156                                 g_gamecallback->disconnect();
 157                                 return;
 158                         }
 159
 160                         if (fields.find("btn_exit_os") != fields.end()) {
 161                                 g_gamecallback->exitToOS();
 162                                 return;
 163                         }
 164
 165                         if (fields.find("btn_change_password") != fields.end()) {
 166                                 g_gamecallback->changePassword();
 167                                 return;
 168                         }
 169
 170                         if (fields.find("quit") != fields.end()) {
 171                                 return;
 172                         }
 173
 174                         if (fields.find("btn_continue") != fields.end()) {
 175                                 return;
 176                         }
 177                 }
 178
 179                 if (m_formname == "MT_CHAT_MENU") {
 180                         assert(m_client != 0);
 181
 182                         if ((fields.find("btn_send") != fields.end()) ||
 183                                         (fields.find("quit") != fields.end())) {
 184                                 StringMap::const_iterator it = fields.find("f_text");
 185                                 if (it != fields.end())
 186                                         m_client->typeChatMessage(narrow_to_wide(it->second));
 187
 188                                 return;
 189                         }
 190                 }
 191
 192                 if (m_formname == "MT_DEATH_SCREEN") {
 193                         assert(m_client != 0);
 194
 195                         if ((fields.find("btn_respawn") != fields.end())) {
 196                                 m_client->sendRespawn();
 197                                 return;
 198                         }
 199
 200                         if (fields.find("quit") != fields.end()) {
 201                                 m_client->sendRespawn();
 202                                 return;
 203                         }
 204                 }
 205
 206                 // don't show error message for unhandled cursor keys
 207                 if ((fields.find("key_up") != fields.end()) ||
 208                                 (fields.find("key_down") != fields.end()) ||
 209                                 (fields.find("key_left") != fields.end()) ||
 210                                 (fields.find("key_right") != fields.end())) {
 211                         return;
 212                 }
 213
 214                 errorstream << "LocalFormspecHandler::gotText unhandled >"
 215                         << m_formname << "< event" << std::endl;
 216
 217                 int i = 0;
 218                 StringMap::const_iterator it;
 219                 for (it = fields.begin(); it != fields.end(); ++it) {
 220                         errorstream << "\t" << i << ": " << it->first
 221                                 << "=" << it->second << std::endl;
 222                         i++;
 223                 }
 224         }
 225
 226         Client *m_client;
 227 };
 228
 229 /* Form update callback */
 230
 231 class NodeMetadataFormSource: public IFormSource
 232 {
 233 public:
 234         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 235                 m_map(map),
 236                 m_p(p)
 237         {
 238         }
 239         std::string getForm()
 240         {
 241                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 242
 243                 if (!meta)
 244                         return "";
 245
 246                 return meta->getString("formspec");
 247         }
 248         std::string resolveText(std::string str)
 249         {
 250                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 251
 252                 if (!meta)
 253                         return str;
 254
 255                 return meta->resolveString(str);
 256         }
 257
 258         ClientMap *m_map;
 259         v3s16 m_p;
 260 };
 261
 262 class PlayerInventoryFormSource: public IFormSource
 263 {
 264 public:
 265         PlayerInventoryFormSource(Client *client):
 266                 m_client(client)
 267         {
 268         }
 269         std::string getForm()
 270         {
 271                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 272                 return player->inventory_formspec;
 273         }
 274
 275         Client *m_client;
 276 };
 277
 278 /*
 279         Check if a node is pointable
 280 */
 281 inline bool isPointableNode(const MapNode &n,
 282                             Client *client, bool liquids_pointable)
 283 {
 284         const ContentFeatures &features = client->getNodeDefManager()->get(n);
 285         return features.pointable ||
 286                (liquids_pointable && features.isLiquid());
 287 }
 288
 289 /*
 290         Find what the player is pointing at
 291 */
 292 PointedThing getPointedThing(Client *client, v3f player_position,
 293                 v3f camera_direction, v3f camera_position, core::line3d<f32> shootline,
 294                 f32 d, bool liquids_pointable, bool look_for_object, v3s16 camera_offset,
 295                 std::vector<aabb3f> &hilightboxes, ClientActiveObject *&selected_object)
 296 {
 297         PointedThing result;
 298
 299         hilightboxes.clear();
 300         selected_object = NULL;
 301
 302         INodeDefManager *nodedef = client->getNodeDefManager();
 303         ClientMap &map = client->getEnv().getClientMap();
 304
 305         f32 mindistance = BS * 1001;
 306
 307         // First try to find a pointed at active object
 308         if (look_for_object) {
 309                 selected_object = client->getSelectedActiveObject(d * BS,
 310                                   camera_position, shootline);
 311
 312                 if (selected_object != NULL) {
 313                         if (selected_object->doShowSelectionBox()) {
 314                                 aabb3f *selection_box = selected_object->getSelectionBox();
 315                                 // Box should exist because object was
 316                                 // returned in the first place
 317                                 assert(selection_box);
 318
 319                                 v3f pos = selected_object->getPosition();
 320                                 hilightboxes.push_back(aabb3f(
 321                                                                selection_box->MinEdge + pos - intToFloat(camera_offset, BS),
 322                                                                selection_box->MaxEdge + pos - intToFloat(camera_offset, BS)));
 323                         }
 324
 325                         mindistance = (selected_object->getPosition() - camera_position).getLength();
 326
 327                         result.type = POINTEDTHING_OBJECT;
 328                         result.object_id = selected_object->getId();
 329                 }
 330         }
 331
 332         // That didn't work, try to find a pointed at node
 333
 334
 335         v3s16 pos_i = floatToInt(player_position, BS);
 336
 337         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 338                         <<std::endl;*/
 339
 340         s16 a = d;
 341         s16 ystart = pos_i.Y + 0 - (camera_direction.Y < 0 ? a : 1);
 342         s16 zstart = pos_i.Z - (camera_direction.Z < 0 ? a : 1);
 343         s16 xstart = pos_i.X - (camera_direction.X < 0 ? a : 1);
 344         s16 yend = pos_i.Y + 1 + (camera_direction.Y > 0 ? a : 1);
 345         s16 zend = pos_i.Z + (camera_direction.Z > 0 ? a : 1);
 346         s16 xend = pos_i.X + (camera_direction.X > 0 ? a : 1);
 347
 348         // Prevent signed number overflow
 349         if (yend == 32767)
 350                 yend = 32766;
 351
 352         if (zend == 32767)
 353                 zend = 32766;
 354
 355         if (xend == 32767)
 356                 xend = 32766;
 357
 358         for (s16 y = ystart; y <= yend; y++)
 359                 for (s16 z = zstart; z <= zend; z++)
 360                         for (s16 x = xstart; x <= xend; x++) {
 361                                 MapNode n;
 362                                 bool is_valid_position;
 363
 364                                 n = map.getNodeNoEx(v3s16(x, y, z), &is_valid_position);
 365                                 if (!is_valid_position)
 366                                         continue;
 367
 368                                 if (!isPointableNode(n, client, liquids_pointable))
 369                                         continue;
 370
 371                                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
 372
 373                                 v3s16 np(x, y, z);
 374                                 v3f npf = intToFloat(np, BS);
 375
 376                                 for (std::vector<aabb3f>::const_iterator
 377                                                 i = boxes.begin();
 378                                                 i != boxes.end(); i++) {
 379                                         aabb3f box = *i;
 380                                         box.MinEdge += npf;
 381                                         box.MaxEdge += npf;
 382
 383                                         for (u16 j = 0; j < 6; j++) {
 384                                                 v3s16 facedir = g_6dirs[j];
 385                                                 aabb3f facebox = box;
 386
 387                                                 f32 d = 0.001 * BS;
 388
 389                                                 if (facedir.X > 0)
 390                                                         facebox.MinEdge.X = facebox.MaxEdge.X - d;
 391                                                 else if (facedir.X < 0)
 392                                                         facebox.MaxEdge.X = facebox.MinEdge.X + d;
 393                                                 else if (facedir.Y > 0)
 394                                                         facebox.MinEdge.Y = facebox.MaxEdge.Y - d;
 395                                                 else if (facedir.Y < 0)
 396                                                         facebox.MaxEdge.Y = facebox.MinEdge.Y + d;
 397                                                 else if (facedir.Z > 0)
 398                                                         facebox.MinEdge.Z = facebox.MaxEdge.Z - d;
 399                                                 else if (facedir.Z < 0)
 400                                                         facebox.MaxEdge.Z = facebox.MinEdge.Z + d;
 401
 402                                                 v3f centerpoint = facebox.getCenter();
 403                                                 f32 distance = (centerpoint - camera_position).getLength();
 404
 405                                                 if (distance >= mindistance)
 406                                                         continue;
 407
 408                                                 if (!facebox.intersectsWithLine(shootline))
 409                                                         continue;
 410
 411                                                 v3s16 np_above = np + facedir;
 412
 413                                                 result.type = POINTEDTHING_NODE;
 414                                                 result.node_undersurface = np;
 415                                                 result.node_abovesurface = np_above;
 416                                                 mindistance = distance;
 417
 418                                                 hilightboxes.clear();
 419
 420                                                 if (!g_settings->getBool("enable_node_highlighting")) {
 421                                                         for (std::vector<aabb3f>::const_iterator
 422                                                                         i2 = boxes.begin();
 423                                                                         i2 != boxes.end(); i2++) {
 424                                                                 aabb3f box = *i2;
 425                                                                 box.MinEdge += npf + v3f(-d, -d, -d) - intToFloat(camera_offset, BS);
 426                                                                 box.MaxEdge += npf + v3f(d, d, d) - intToFloat(camera_offset, BS);
 427                                                                 hilightboxes.push_back(box);
 428                                                         }
 429                                                 }
 430                                         }
 431                                 }
 432                         } // for coords
 433
 434         return result;
 435 }
 436
 437 /* Profiler display */
 438
 439 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
 440                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
 441 {
 442         if (show_profiler == 0) {
 443                 guitext_profiler->setVisible(false);
 444         } else {
 445
 446                 std::ostringstream os(std::ios_base::binary);
 447                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 448                 std::wstring text = narrow_to_wide(os.str());
 449                 guitext_profiler->setText(text.c_str());
 450                 guitext_profiler->setVisible(true);
 451
 452                 s32 w = fe->getTextWidth(text.c_str());
 453
 454                 if (w < 400)
 455                         w = 400;
 456
 457                 unsigned text_height = fe->getTextHeight();
 458
 459                 core::position2di upper_left, lower_right;
 460
 461                 upper_left.X  = 6;
 462                 upper_left.Y  = (text_height + 5) * 2;
 463                 lower_right.X = 12 + w;
 464                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
 465
 466                 if (lower_right.Y > screen_height * 2 / 3)
 467                         lower_right.Y = screen_height * 2 / 3;
 468
 469                 core::rect<s32> rect(upper_left, lower_right);
 470
 471                 guitext_profiler->setRelativePosition(rect);
 472                 guitext_profiler->setVisible(true);
 473         }
 474 }
 475
 476 class ProfilerGraph
 477 {
 478 private:
 479         struct Piece {
 480                 Profiler::GraphValues values;
 481         };
 482         struct Meta {
 483                 float min;
 484                 float max;
 485                 video::SColor color;
 486                 Meta(float initial = 0,
 487                         video::SColor color = video::SColor(255, 255, 255, 255)):
 488                         min(initial),
 489                         max(initial),
 490                         color(color)
 491                 {}
 492         };
 493         std::vector<Piece> m_log;
 494 public:
 495         u32 m_log_max_size;
 496
 497         ProfilerGraph():
 498                 m_log_max_size(200)
 499         {}
 500
 501         void put(const Profiler::GraphValues &values)
 502         {
 503                 Piece piece;
 504                 piece.values = values;
 505                 m_log.push_back(piece);
 506
 507                 while (m_log.size() > m_log_max_size)
 508                         m_log.erase(m_log.begin());
 509         }
 510
 511         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 512                   gui::IGUIFont *font) const
 513         {
 514                 std::map<std::string, Meta> m_meta;
 515
 516                 for (std::vector<Piece>::const_iterator k = m_log.begin();
 517                                 k != m_log.end(); k++) {
 518                         const Piece &piece = *k;
 519
 520                         for (Profiler::GraphValues::const_iterator i = piece.values.begin();
 521                                         i != piece.values.end(); i++) {
 522                                 const std::string &id = i->first;
 523                                 const float &value = i->second;
 524                                 std::map<std::string, Meta>::iterator j =
 525                                         m_meta.find(id);
 526
 527                                 if (j == m_meta.end()) {
 528                                         m_meta[id] = Meta(value);
 529                                         continue;
 530                                 }
 531
 532                                 if (value < j->second.min)
 533                                         j->second.min = value;
 534
 535                                 if (value > j->second.max)
 536                                         j->second.max = value;
 537                         }
 538                 }
 539
 540                 // Assign colors
 541                 static const video::SColor usable_colors[] = {
 542                         video::SColor(255, 255, 100, 100),
 543                         video::SColor(255, 90, 225, 90),
 544                         video::SColor(255, 100, 100, 255),
 545                         video::SColor(255, 255, 150, 50),
 546                         video::SColor(255, 220, 220, 100)
 547                 };
 548                 static const u32 usable_colors_count =
 549                         sizeof(usable_colors) / sizeof(*usable_colors);
 550                 u32 next_color_i = 0;
 551
 552                 for (std::map<std::string, Meta>::iterator i = m_meta.begin();
 553                                 i != m_meta.end(); i++) {
 554                         Meta &meta = i->second;
 555                         video::SColor color(255, 200, 200, 200);
 556
 557                         if (next_color_i < usable_colors_count)
 558                                 color = usable_colors[next_color_i++];
 559
 560                         meta.color = color;
 561                 }
 562
 563                 s32 graphh = 50;
 564                 s32 textx = x_left + m_log_max_size + 15;
 565                 s32 textx2 = textx + 200 - 15;
 566                 s32 meta_i = 0;
 567
 568                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 569                                 i != m_meta.end(); i++) {
 570                         const std::string &id = i->first;
 571                         const Meta &meta = i->second;
 572                         s32 x = x_left;
 573                         s32 y = y_bottom - meta_i * 50;
 574                         float show_min = meta.min;
 575                         float show_max = meta.max;
 576
 577                         if (show_min >= -0.0001 && show_max >= -0.0001) {
 578                                 if (show_min <= show_max * 0.5)
 579                                         show_min = 0;
 580                         }
 581
 582                         s32 texth = 15;
 583                         char buf[10];
 584                         snprintf(buf, 10, "%.3g", show_max);
 585                         font->draw(narrow_to_wide(buf).c_str(),
 586                                         core::rect<s32>(textx, y - graphh,
 587                                                    textx2, y - graphh + texth),
 588                                         meta.color);
 589                         snprintf(buf, 10, "%.3g", show_min);
 590                         font->draw(narrow_to_wide(buf).c_str(),
 591                                         core::rect<s32>(textx, y - texth,
 592                                                    textx2, y),
 593                                         meta.color);
 594                         font->draw(narrow_to_wide(id).c_str(),
 595                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
 596                                                    textx2, y - graphh / 2 + texth / 2),
 597                                         meta.color);
 598                         s32 graph1y = y;
 599                         s32 graph1h = graphh;
 600                         bool relativegraph = (show_min != 0 && show_min != show_max);
 601                         float lastscaledvalue = 0.0;
 602                         bool lastscaledvalue_exists = false;
 603
 604                         for (std::vector<Piece>::const_iterator j = m_log.begin();
 605                                         j != m_log.end(); j++) {
 606                                 const Piece &piece = *j;
 607                                 float value = 0;
 608                                 bool value_exists = false;
 609                                 Profiler::GraphValues::const_iterator k =
 610                                         piece.values.find(id);
 611
 612                                 if (k != piece.values.end()) {
 613                                         value = k->second;
 614                                         value_exists = true;
 615                                 }
 616
 617                                 if (!value_exists) {
 618                                         x++;
 619                                         lastscaledvalue_exists = false;
 620                                         continue;
 621                                 }
 622
 623                                 float scaledvalue = 1.0;
 624
 625                                 if (show_max != show_min)
 626                                         scaledvalue = (value - show_min) / (show_max - show_min);
 627
 628                                 if (scaledvalue == 1.0 && value == 0) {
 629                                         x++;
 630                                         lastscaledvalue_exists = false;
 631                                         continue;
 632                                 }
 633
 634                                 if (relativegraph) {
 635                                         if (lastscaledvalue_exists) {
 636                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 637                                                 s32 ivalue2 = scaledvalue * graph1h;
 638                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
 639                                                                    v2s32(x, graph1y - ivalue2), meta.color);
 640                                         }
 641
 642                                         lastscaledvalue = scaledvalue;
 643                                         lastscaledvalue_exists = true;
 644                                 } else {
 645                                         s32 ivalue = scaledvalue * graph1h;
 646                                         driver->draw2DLine(v2s32(x, graph1y),
 647                                                            v2s32(x, graph1y - ivalue), meta.color);
 648                                 }
 649
 650                                 x++;
 651                         }
 652
 653                         meta_i++;
 654                 }
 655         }
 656 };
 657
 658 class NodeDugEvent: public MtEvent
 659 {
 660 public:
 661         v3s16 p;
 662         MapNode n;
 663
 664         NodeDugEvent(v3s16 p, MapNode n):
 665                 p(p),
 666                 n(n)
 667         {}
 668         const char *getType() const
 669         {
 670                 return "NodeDug";
 671         }
 672 };
 673
 674 class SoundMaker
 675 {
 676         ISoundManager *m_sound;
 677         INodeDefManager *m_ndef;
 678 public:
 679         float m_player_step_timer;
 680
 681         SimpleSoundSpec m_player_step_sound;
 682         SimpleSoundSpec m_player_leftpunch_sound;
 683         SimpleSoundSpec m_player_rightpunch_sound;
 684
 685         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 686                 m_sound(sound),
 687                 m_ndef(ndef),
 688                 m_player_step_timer(0)
 689         {
 690         }
 691
 692         void playPlayerStep()
 693         {
 694                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 695                         m_player_step_timer = 0.03;
 696                         m_sound->playSound(m_player_step_sound, false);
 697                 }
 698         }
 699
 700         static void viewBobbingStep(MtEvent *e, void *data)
 701         {
 702                 SoundMaker *sm = (SoundMaker *)data;
 703                 sm->playPlayerStep();
 704         }
 705
 706         static void playerRegainGround(MtEvent *e, void *data)
 707         {
 708                 SoundMaker *sm = (SoundMaker *)data;
 709                 sm->playPlayerStep();
 710         }
 711
 712         static void playerJump(MtEvent *e, void *data)
 713         {
 714                 //SoundMaker *sm = (SoundMaker*)data;
 715         }
 716
 717         static void cameraPunchLeft(MtEvent *e, void *data)
 718         {
 719                 SoundMaker *sm = (SoundMaker *)data;
 720                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 721         }
 722
 723         static void cameraPunchRight(MtEvent *e, void *data)
 724         {
 725                 SoundMaker *sm = (SoundMaker *)data;
 726                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 727         }
 728
 729         static void nodeDug(MtEvent *e, void *data)
 730         {
 731                 SoundMaker *sm = (SoundMaker *)data;
 732                 NodeDugEvent *nde = (NodeDugEvent *)e;
 733                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 734         }
 735
 736         static void playerDamage(MtEvent *e, void *data)
 737         {
 738                 SoundMaker *sm = (SoundMaker *)data;
 739                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 740         }
 741
 742         static void playerFallingDamage(MtEvent *e, void *data)
 743         {
 744                 SoundMaker *sm = (SoundMaker *)data;
 745                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 746         }
 747
 748         void registerReceiver(MtEventManager *mgr)
 749         {
 750                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 751                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 752                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 753                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 754                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 755                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 756                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 757                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 758         }
 759
 760         void step(float dtime)
 761         {
 762                 m_player_step_timer -= dtime;
 763         }
 764 };
 765
 766 // Locally stored sounds don't need to be preloaded because of this
 767 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 768 {
 769         std::set<std::string> m_fetched;
 770 public:
 771         void fetchSounds(const std::string &name,
 772                         std::set<std::string> &dst_paths,
 773                         std::set<std::string> &dst_datas)
 774         {
 775                 if (m_fetched.count(name))
 776                         return;
 777
 778                 m_fetched.insert(name);
 779                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
 780                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
 781                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
 782                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
 783                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
 784                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
 785                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
 786                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
 787                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
 788                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
 789                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
 790                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
 791         }
 792 };
 793
 794 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 795 {
 796         Sky *m_sky;
 797         bool *m_force_fog_off;
 798         f32 *m_fog_range;
 799         Client *m_client;
 800         bool m_fogEnabled;
 801
 802 public:
 803         void onSettingsChange(const std::string &name)
 804         {
 805                 if (name == "enable_fog")
 806                         m_fogEnabled = g_settings->getBool("enable_fog");
 807         }
 808
 809         static void SettingsCallback(const std::string name, void *userdata)
 810         {
 811                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 812         }
 813
 814         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 815                         f32 *fog_range, Client *client) :
 816                 m_sky(sky),
 817                 m_force_fog_off(force_fog_off),
 818                 m_fog_range(fog_range),
 819                 m_client(client)
 820         {
 821                 g_settings->registerChangedCallback("enable_fog", SettingsCallback, this);
 822                 m_fogEnabled = g_settings->getBool("enable_fog");
 823         }
 824
 825         ~GameGlobalShaderConstantSetter()
 826         {
 827                 g_settings->deregisterChangedCallback("enable_fog", SettingsCallback, this);
 828         }
 829
 830         virtual void onSetConstants(video::IMaterialRendererServices *services,
 831                         bool is_highlevel)
 832         {
 833                 if (!is_highlevel)
 834                         return;
 835
 836                 // Background color
 837                 video::SColor bgcolor = m_sky->getBgColor();
 838                 video::SColorf bgcolorf(bgcolor);
 839                 float bgcolorfa[4] = {
 840                         bgcolorf.r,
 841                         bgcolorf.g,
 842                         bgcolorf.b,
 843                         bgcolorf.a,
 844                 };
 845                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
 846
 847                 // Fog distance
 848                 float fog_distance = 10000 * BS;
 849
 850                 if (m_fogEnabled && !*m_force_fog_off)
 851                         fog_distance = *m_fog_range;
 852
 853                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
 854
 855                 // Day-night ratio
 856                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
 857                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
 858                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
 859
 860                 u32 animation_timer = porting::getTimeMs() % 100000;
 861                 float animation_timer_f = (float)animation_timer / 100000.0;
 862                 services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
 863                 services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
 864
 865                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 866                 v3f eye_position = player->getEyePosition();
 867                 services->setPixelShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
 868                 services->setVertexShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
 869
 870                 v3f minimap_yaw_vec = m_client->getMapper()->getYawVec();
 871                 services->setPixelShaderConstant("yawVec", (irr::f32 *)&minimap_yaw_vec, 3);
 872
 873                 // Uniform sampler layers
 874                 int layer0 = 0;
 875                 int layer1 = 1;
 876                 int layer2 = 2;
 877                 // before 1.8 there isn't a "integer interface", only float
 878 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 879                 services->setPixelShaderConstant("baseTexture" , (irr::f32 *)&layer0, 1);
 880                 services->setPixelShaderConstant("normalTexture" , (irr::f32 *)&layer1, 1);
 881                 services->setPixelShaderConstant("useNormalmap" , (irr::f32 *)&layer2, 1);
 882 #else
 883                 services->setPixelShaderConstant("baseTexture" , (irr::s32 *)&layer0, 1);
 884                 services->setPixelShaderConstant("normalTexture" , (irr::s32 *)&layer1, 1);
 885                 services->setPixelShaderConstant("useNormalmap" , (irr::s32 *)&layer2, 1);
 886 #endif
 887         }
 888 };
 889
 890 bool nodePlacementPrediction(Client &client,
 891                 const ItemDefinition &playeritem_def, v3s16 nodepos, v3s16 neighbourpos)
 892 {
 893         std::string prediction = playeritem_def.node_placement_prediction;
 894         INodeDefManager *nodedef = client.ndef();
 895         ClientMap &map = client.getEnv().getClientMap();
 896         MapNode node;
 897         bool is_valid_position;
 898
 899         node = map.getNodeNoEx(nodepos, &is_valid_position);
 900         if (!is_valid_position)
 901                 return false;
 902
 903         if (prediction != "" && !nodedef->get(node).rightclickable) {
 904                 verbosestream << "Node placement prediction for "
 905                               << playeritem_def.name << " is "
 906                               << prediction << std::endl;
 907                 v3s16 p = neighbourpos;
 908
 909                 // Place inside node itself if buildable_to
 910                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
 911                 if (is_valid_position)
 912                 {
 913                         if (nodedef->get(n_under).buildable_to)
 914                                 p = nodepos;
 915                         else {
 916                                 node = map.getNodeNoEx(p, &is_valid_position);
 917                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
 918                                         return false;
 919                         }
 920                 }
 921
 922                 // Find id of predicted node
 923                 content_t id;
 924                 bool found = nodedef->getId(prediction, id);
 925
 926                 if (!found) {
 927                         errorstream << "Node placement prediction failed for "
 928                                     << playeritem_def.name << " (places "
 929                                     << prediction
 930                                     << ") - Name not known" << std::endl;
 931                         return false;
 932                 }
 933
 934                 // Predict param2 for facedir and wallmounted nodes
 935                 u8 param2 = 0;
 936
 937                 if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED) {
 938                         v3s16 dir = nodepos - neighbourpos;
 939
 940                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
 941                                 param2 = dir.Y < 0 ? 1 : 0;
 942                         } else if (abs(dir.X) > abs(dir.Z)) {
 943                                 param2 = dir.X < 0 ? 3 : 2;
 944                         } else {
 945                                 param2 = dir.Z < 0 ? 5 : 4;
 946                         }
 947                 }
 948
 949                 if (nodedef->get(id).param_type_2 == CPT2_FACEDIR) {
 950                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 951
 952                         if (abs(dir.X) > abs(dir.Z)) {
 953                                 param2 = dir.X < 0 ? 3 : 1;
 954                         } else {
 955                                 param2 = dir.Z < 0 ? 2 : 0;
 956                         }
 957                 }
 958
 959                 assert(param2 <= 5);
 960
 961                 //Check attachment if node is in group attached_node
 962                 if (((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0) {
 963                         static v3s16 wallmounted_dirs[8] = {
 964                                 v3s16(0, 1, 0),
 965                                 v3s16(0, -1, 0),
 966                                 v3s16(1, 0, 0),
 967                                 v3s16(-1, 0, 0),
 968                                 v3s16(0, 0, 1),
 969                                 v3s16(0, 0, -1),
 970                         };
 971                         v3s16 pp;
 972
 973                         if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
 974                                 pp = p + wallmounted_dirs[param2];
 975                         else
 976                                 pp = p + v3s16(0, -1, 0);
 977
 978                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
 979                                 return false;
 980                 }
 981
 982                 // Add node to client map
 983                 MapNode n(id, 0, param2);
 984
 985                 try {
 986                         LocalPlayer *player = client.getEnv().getLocalPlayer();
 987
 988                         // Dont place node when player would be inside new node
 989                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 990                         if (!nodedef->get(n).walkable ||
 991                                         g_settings->getBool("enable_build_where_you_stand") ||
 992                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 993                                         (nodedef->get(n).walkable &&
 994                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
 995                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
 996
 997                                 // This triggers the required mesh update too
 998                                 client.addNode(p, n);
 999                                 return true;
1000                         }
1001                 } catch (InvalidPositionException &e) {
1002                         errorstream << "Node placement prediction failed for "
1003                                     << playeritem_def.name << " (places "
1004                                     << prediction
1005                                     << ") - Position not loaded" << std::endl;
1006                 }
1007         }
1008
1009         return false;
1010 }
1011
1012 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
1013                 InventoryManager *invmgr, IGameDef *gamedef,
1014                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1015                 IFormSource *fs_src, TextDest *txt_dest, Client *client)
1016 {
1017
1018         if (*cur_formspec == 0) {
1019                 *cur_formspec = new GUIFormSpecMenu(device, guiroot, -1, &g_menumgr,
1020                                                     invmgr, gamedef, tsrc, fs_src, txt_dest, client);
1021                 (*cur_formspec)->doPause = false;
1022
1023                 /*
1024                         Caution: do not call (*cur_formspec)->drop() here --
1025                         the reference might outlive the menu, so we will
1026                         periodically check if *cur_formspec is the only
1027                         remaining reference (i.e. the menu was removed)
1028                         and delete it in that case.
1029                 */
1030
1031         } else {
1032                 (*cur_formspec)->setFormSource(fs_src);
1033                 (*cur_formspec)->setTextDest(txt_dest);
1034         }
1035 }
1036
1037 #ifdef __ANDROID__
1038 #define SIZE_TAG "size[11,5.5]"
1039 #else
1040 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
1041 #endif
1042
1043 static void show_chat_menu(GUIFormSpecMenu **cur_formspec,
1044                 InventoryManager *invmgr, IGameDef *gamedef,
1045                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1046                 Client *client, std::string text)
1047 {
1048         std::string formspec =
1049                 FORMSPEC_VERSION_STRING
1050                 SIZE_TAG
1051                 "field[3,2.35;6,0.5;f_text;;" + text + "]"
1052                 "button_exit[4,3;3,0.5;btn_send;" + wide_to_narrow(wstrgettext("Proceed")) + "]"
1053                 ;
1054
1055         /* Create menu */
1056         /* Note: FormspecFormSource and LocalFormspecHandler
1057          * are deleted by guiFormSpecMenu                     */
1058         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1059         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_CHAT_MENU", client);
1060
1061         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device, fs_src, txt_dst, NULL);
1062 }
1063
1064 static void show_deathscreen(GUIFormSpecMenu **cur_formspec,
1065                 InventoryManager *invmgr, IGameDef *gamedef,
1066                 IWritableTextureSource *tsrc, IrrlichtDevice *device, Client *client)
1067 {
1068         std::string formspec =
1069                 std::string(FORMSPEC_VERSION_STRING) +
1070                 SIZE_TAG
1071                 "bgcolor[#320000b4;true]"
1072                 "label[4.85,1.35;" + gettext("You died.") + "]"
1073                 "button_exit[4,3;3,0.5;btn_respawn;" + gettext("Respawn") + "]"
1074                 ;
1075
1076         /* Create menu */
1077         /* Note: FormspecFormSource and LocalFormspecHandler
1078          * are deleted by guiFormSpecMenu                     */
1079         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1080         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_DEATH_SCREEN", client);
1081
1082         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1083 }
1084
1085 /******************************************************************************/
1086 static void show_pause_menu(GUIFormSpecMenu **cur_formspec,
1087                 InventoryManager *invmgr, IGameDef *gamedef,
1088                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1089                 bool singleplayermode)
1090 {
1091 #ifdef __ANDROID__
1092         std::string control_text = wide_to_narrow(wstrgettext("Default Controls:\n"
1093                                    "No menu visible:\n"
1094                                    "- single tap: button activate\n"
1095                                    "- double tap: place/use\n"
1096                                    "- slide finger: look around\n"
1097                                    "Menu/Inventory visible:\n"
1098                                    "- double tap (outside):\n"
1099                                    " -->close\n"
1100                                    "- touch stack, touch slot:\n"
1101                                    " --> move stack\n"
1102                                    "- touch&drag, tap 2nd finger\n"
1103                                    " --> place single item to slot\n"
1104                                                              ));
1105 #else
1106         std::string control_text = wide_to_narrow(wstrgettext("Default Controls:\n"
1107                                    "- WASD: move\n"
1108                                    "- Space: jump/climb\n"
1109                                    "- Shift: sneak/go down\n"
1110                                    "- Q: drop item\n"
1111                                    "- I: inventory\n"
1112                                    "- Mouse: turn/look\n"
1113                                    "- Mouse left: dig/punch\n"
1114                                    "- Mouse right: place/use\n"
1115                                    "- Mouse wheel: select item\n"
1116                                    "- T: chat\n"
1117                                                              ));
1118 #endif
1119
1120         float ypos = singleplayermode ? 0.5 : 0.1;
1121         std::ostringstream os;
1122
1123         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
1124            << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
1125            << wide_to_narrow(wstrgettext("Continue"))     << "]";
1126
1127         if (!singleplayermode) {
1128                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
1129                    << wide_to_narrow(wstrgettext("Change Password")) << "]";
1130         }
1131
1132 #ifndef __ANDROID__
1133         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
1134                         << wide_to_narrow(wstrgettext("Sound Volume")) << "]";
1135         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
1136                         << wide_to_narrow(wstrgettext("Change Keys"))  << "]";
1137 #endif
1138         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
1139                         << wide_to_narrow(wstrgettext("Exit to Menu")) << "]";
1140         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
1141                         << wide_to_narrow(wstrgettext("Exit to OS"))   << "]"
1142                         << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
1143                         << "textarea[0.4,0.25;3.5,6;;" << PROJECT_NAME_C "\n"
1144                         << g_build_info << "\n"
1145                         << "path_user = " << wrap_rows(porting::path_user, 20)
1146                         << "\n;]";
1147
1148         /* Create menu */
1149         /* Note: FormspecFormSource and LocalFormspecHandler  *
1150          * are deleted by guiFormSpecMenu                     */
1151         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
1152         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
1153
1154         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1155         std::string con("btn_continue");
1156         (*cur_formspec)->setFocus(con);
1157         (*cur_formspec)->doPause = true;
1158 }
1159
1160 /******************************************************************************/
1161 static void updateChat(Client &client, f32 dtime, bool show_debug,
1162                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
1163                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
1164 {
1165         // Add chat log output for errors to be shown in chat
1166         static LogOutputBuffer chat_log_error_buf(LMT_ERROR);
1167
1168         // Get new messages from error log buffer
1169         while (!chat_log_error_buf.empty()) {
1170                 chat_backend.addMessage(L"", narrow_to_wide(chat_log_error_buf.get()));
1171         }
1172
1173         // Get new messages from client
1174         std::wstring message;
1175
1176         while (client.getChatMessage(message)) {
1177                 chat_backend.addUnparsedMessage(message);
1178         }
1179
1180         // Remove old messages
1181         chat_backend.step(dtime);
1182
1183         // Display all messages in a static text element
1184         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
1185         std::wstring recent_chat       = chat_backend.getRecentChat();
1186         unsigned int line_height       = g_fontengine->getLineHeight();
1187
1188         guitext_chat->setText(recent_chat.c_str());
1189
1190         // Update gui element size and position
1191         s32 chat_y = 5 + line_height;
1192
1193         if (show_debug)
1194                 chat_y += line_height;
1195
1196         // first pass to calculate height of text to be set
1197         s32 width = std::min(g_fontengine->getTextWidth(recent_chat) + 10,
1198                              porting::getWindowSize().X - 20);
1199         core::rect<s32> rect(10, chat_y, width, chat_y + porting::getWindowSize().Y);
1200         guitext_chat->setRelativePosition(rect);
1201
1202         //now use real height of text and adjust rect according to this size
1203         rect = core::rect<s32>(10, chat_y, width,
1204                                chat_y + guitext_chat->getTextHeight());
1205
1206
1207         guitext_chat->setRelativePosition(rect);
1208         // Don't show chat if disabled or empty or profiler is enabled
1209         guitext_chat->setVisible(
1210                 show_chat && recent_chat_count != 0 && !show_profiler);
1211 }
1212
1213
1214 /****************************************************************************
1215  Fast key cache for main game loop
1216  ****************************************************************************/
1217
1218 /* This is faster than using getKeySetting with the tradeoff that functions
1219  * using it must make sure that it's initialised before using it and there is
1220  * no error handling (for example bounds checking). This is really intended for
1221  * use only in the main running loop of the client (the_game()) where the faster
1222  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1223  * (e.g. formspecs) should continue using getKeySetting().
1224  */
1225 struct KeyCache {
1226
1227         KeyCache() { populate(); }
1228
1229         enum {
1230                 // Player movement
1231                 KEYMAP_ID_FORWARD,
1232                 KEYMAP_ID_BACKWARD,
1233                 KEYMAP_ID_LEFT,
1234                 KEYMAP_ID_RIGHT,
1235                 KEYMAP_ID_JUMP,
1236                 KEYMAP_ID_SPECIAL1,
1237                 KEYMAP_ID_SNEAK,
1238
1239                 // Other
1240                 KEYMAP_ID_DROP,
1241                 KEYMAP_ID_INVENTORY,
1242                 KEYMAP_ID_CHAT,
1243                 KEYMAP_ID_CMD,
1244                 KEYMAP_ID_CONSOLE,
1245                 KEYMAP_ID_MINIMAP,
1246                 KEYMAP_ID_FREEMOVE,
1247                 KEYMAP_ID_FASTMOVE,
1248                 KEYMAP_ID_NOCLIP,
1249                 KEYMAP_ID_CINEMATIC,
1250                 KEYMAP_ID_SCREENSHOT,
1251                 KEYMAP_ID_TOGGLE_HUD,
1252                 KEYMAP_ID_TOGGLE_CHAT,
1253                 KEYMAP_ID_TOGGLE_FORCE_FOG_OFF,
1254                 KEYMAP_ID_TOGGLE_UPDATE_CAMERA,
1255                 KEYMAP_ID_TOGGLE_DEBUG,
1256                 KEYMAP_ID_TOGGLE_PROFILER,
1257                 KEYMAP_ID_CAMERA_MODE,
1258                 KEYMAP_ID_INCREASE_VIEWING_RANGE,
1259                 KEYMAP_ID_DECREASE_VIEWING_RANGE,
1260                 KEYMAP_ID_RANGESELECT,
1261
1262                 KEYMAP_ID_QUICKTUNE_NEXT,
1263                 KEYMAP_ID_QUICKTUNE_PREV,
1264                 KEYMAP_ID_QUICKTUNE_INC,
1265                 KEYMAP_ID_QUICKTUNE_DEC,
1266
1267                 KEYMAP_ID_DEBUG_STACKS,
1268
1269                 // Fake keycode for array size and internal checks
1270                 KEYMAP_INTERNAL_ENUM_COUNT
1271
1272
1273         };
1274
1275         void populate();
1276
1277         KeyPress key[KEYMAP_INTERNAL_ENUM_COUNT];
1278 };
1279
1280 void KeyCache::populate()
1281 {
1282         key[KEYMAP_ID_FORWARD]      = getKeySetting("keymap_forward");
1283         key[KEYMAP_ID_BACKWARD]     = getKeySetting("keymap_backward");
1284         key[KEYMAP_ID_LEFT]         = getKeySetting("keymap_left");
1285         key[KEYMAP_ID_RIGHT]        = getKeySetting("keymap_right");
1286         key[KEYMAP_ID_JUMP]         = getKeySetting("keymap_jump");
1287         key[KEYMAP_ID_SPECIAL1]     = getKeySetting("keymap_special1");
1288         key[KEYMAP_ID_SNEAK]        = getKeySetting("keymap_sneak");
1289
1290         key[KEYMAP_ID_DROP]         = getKeySetting("keymap_drop");
1291         key[KEYMAP_ID_INVENTORY]    = getKeySetting("keymap_inventory");
1292         key[KEYMAP_ID_CHAT]         = getKeySetting("keymap_chat");
1293         key[KEYMAP_ID_CMD]          = getKeySetting("keymap_cmd");
1294         key[KEYMAP_ID_CONSOLE]      = getKeySetting("keymap_console");
1295         key[KEYMAP_ID_MINIMAP]      = getKeySetting("keymap_minimap");
1296         key[KEYMAP_ID_FREEMOVE]     = getKeySetting("keymap_freemove");
1297         key[KEYMAP_ID_FASTMOVE]     = getKeySetting("keymap_fastmove");
1298         key[KEYMAP_ID_NOCLIP]       = getKeySetting("keymap_noclip");
1299         key[KEYMAP_ID_CINEMATIC]    = getKeySetting("keymap_cinematic");
1300         key[KEYMAP_ID_SCREENSHOT]   = getKeySetting("keymap_screenshot");
1301         key[KEYMAP_ID_TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1302         key[KEYMAP_ID_TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1303         key[KEYMAP_ID_TOGGLE_FORCE_FOG_OFF]
1304                         = getKeySetting("keymap_toggle_force_fog_off");
1305         key[KEYMAP_ID_TOGGLE_UPDATE_CAMERA]
1306                         = getKeySetting("keymap_toggle_update_camera");
1307         key[KEYMAP_ID_TOGGLE_DEBUG]
1308                         = getKeySetting("keymap_toggle_debug");
1309         key[KEYMAP_ID_TOGGLE_PROFILER]
1310                         = getKeySetting("keymap_toggle_profiler");
1311         key[KEYMAP_ID_CAMERA_MODE]
1312                         = getKeySetting("keymap_camera_mode");
1313         key[KEYMAP_ID_INCREASE_VIEWING_RANGE]
1314                         = getKeySetting("keymap_increase_viewing_range_min");
1315         key[KEYMAP_ID_DECREASE_VIEWING_RANGE]
1316                         = getKeySetting("keymap_decrease_viewing_range_min");
1317         key[KEYMAP_ID_RANGESELECT]
1318                         = getKeySetting("keymap_rangeselect");
1319
1320         key[KEYMAP_ID_QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1321         key[KEYMAP_ID_QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1322         key[KEYMAP_ID_QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1323         key[KEYMAP_ID_QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1324
1325         key[KEYMAP_ID_DEBUG_STACKS]   = getKeySetting("keymap_print_debug_stacks");
1326 }
1327
1328
1329 /****************************************************************************
1330
1331  ****************************************************************************/
1332
1333 const float object_hit_delay = 0.2;
1334
1335 struct FpsControl {
1336         u32 last_time, busy_time, sleep_time;
1337 };
1338
1339
1340 /* The reason the following structs are not anonymous structs within the
1341  * class is that they are not used by the majority of member functions and
1342  * many functions that do require objects of thse types do not modify them
1343  * (so they can be passed as a const qualified parameter)
1344  */
1345 struct CameraOrientation {
1346         f32 camera_yaw;    // "right/left"
1347         f32 camera_pitch;  // "up/down"
1348 };
1349
1350 struct GameRunData {
1351         u16 dig_index;
1352         u16 new_playeritem;
1353         PointedThing pointed_old;
1354         bool digging;
1355         bool ldown_for_dig;
1356         bool left_punch;
1357         bool update_wielded_item_trigger;
1358         bool reset_jump_timer;
1359         float nodig_delay_timer;
1360         float dig_time;
1361         float dig_time_complete;
1362         float repeat_rightclick_timer;
1363         float object_hit_delay_timer;
1364         float time_from_last_punch;
1365         ClientActiveObject *selected_object;
1366
1367         float jump_timer;
1368         float damage_flash;
1369         float update_draw_list_timer;
1370         float statustext_time;
1371
1372         f32 fog_range;
1373
1374         v3f update_draw_list_last_cam_dir;
1375
1376         u32 profiler_current_page;
1377         u32 profiler_max_page;     // Number of pages
1378
1379         float time_of_day;
1380         float time_of_day_smooth;
1381 };
1382
1383 struct Jitter {
1384         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1385 };
1386
1387 struct RunStats {
1388         u32 drawtime;
1389         u32 beginscenetime;
1390         u32 endscenetime;
1391
1392         Jitter dtime_jitter, busy_time_jitter;
1393 };
1394
1395 /* Flags that can, or may, change during main game loop
1396  */
1397 struct VolatileRunFlags {
1398         bool invert_mouse;
1399         bool show_chat;
1400         bool show_hud;
1401         bool show_minimap;
1402         bool force_fog_off;
1403         bool show_debug;
1404         bool show_profiler_graph;
1405         bool disable_camera_update;
1406         bool first_loop_after_window_activation;
1407         bool camera_offset_changed;
1408 };
1409
1410
1411 /****************************************************************************
1412  THE GAME
1413  ****************************************************************************/
1414
1415 /* This is not intended to be a public class. If a public class becomes
1416  * desirable then it may be better to create another 'wrapper' class that
1417  * hides most of the stuff in this class (nothing in this class is required
1418  * by any other file) but exposes the public methods/data only.
1419  */
1420 class Game
1421 {
1422 public:
1423         Game();
1424         ~Game();
1425
1426         bool startup(bool *kill,
1427                         bool random_input,
1428                         InputHandler *input,
1429                         IrrlichtDevice *device,
1430                         const std::string &map_dir,
1431                         const std::string &playername,
1432                         const std::string &password,
1433                         // If address is "", local server is used and address is updated
1434                         std::string *address,
1435                         u16 port,
1436                         std::string &error_message,
1437                         ChatBackend *chat_backend,
1438                         const SubgameSpec &gamespec,    // Used for local game
1439                         bool simple_singleplayer_mode);
1440
1441         void run();
1442         void shutdown();
1443
1444 protected:
1445
1446         void extendedResourceCleanup();
1447
1448         // Basic initialisation
1449         bool init(const std::string &map_dir, std::string *address,
1450                         u16 port,
1451                         const SubgameSpec &gamespec);
1452         bool initSound();
1453         bool createSingleplayerServer(const std::string map_dir,
1454                         const SubgameSpec &gamespec, u16 port, std::string *address);
1455
1456         // Client creation
1457         bool createClient(const std::string &playername,
1458                         const std::string &password, std::string *address, u16 port);
1459         bool initGui();
1460
1461         // Client connection
1462         bool connectToServer(const std::string &playername,
1463                         const std::string &password, std::string *address, u16 port,
1464                         bool *connect_ok, bool *aborted);
1465         bool getServerContent(bool *aborted);
1466
1467         // Main loop
1468
1469         void updateInteractTimers(GameRunData *runData, f32 dtime);
1470         bool checkConnection();
1471         bool handleCallbacks();
1472         void processQueues();
1473         void updateProfilers(const GameRunData &runData, const RunStats &stats,
1474                         const FpsControl &draw_times, f32 dtime);
1475         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times,
1476                         f32 dtime);
1477         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1478
1479         void processUserInput(VolatileRunFlags *flags, GameRunData *runData,
1480                         f32 dtime);
1481         void processKeyboardInput(VolatileRunFlags *flags,
1482                         float *statustext_time,
1483                         float *jump_timer,
1484                         bool *reset_jump_timer,
1485                         u32 *profiler_current_page,
1486                         u32 profiler_max_page);
1487         void processItemSelection(u16 *new_playeritem);
1488
1489         void dropSelectedItem();
1490         void openInventory();
1491         void openConsole();
1492         void toggleFreeMove(float *statustext_time);
1493         void toggleFreeMoveAlt(float *statustext_time, float *jump_timer);
1494         void toggleFast(float *statustext_time);
1495         void toggleNoClip(float *statustext_time);
1496         void toggleCinematic(float *statustext_time);
1497
1498         void toggleChat(float *statustext_time, bool *flag);
1499         void toggleHud(float *statustext_time, bool *flag);
1500         void toggleMinimap(float *statustext_time, bool *flag1, bool *flag2,
1501                         bool shift_pressed);
1502         void toggleFog(float *statustext_time, bool *flag);
1503         void toggleDebug(float *statustext_time, bool *show_debug,
1504                         bool *show_profiler_graph);
1505         void toggleUpdateCamera(float *statustext_time, bool *flag);
1506         void toggleProfiler(float *statustext_time, u32 *profiler_current_page,
1507                         u32 profiler_max_page);
1508
1509         void increaseViewRange(float *statustext_time);
1510         void decreaseViewRange(float *statustext_time);
1511         void toggleFullViewRange(float *statustext_time);
1512
1513         void updateCameraDirection(CameraOrientation *cam, VolatileRunFlags *flags);
1514         void updateCameraOrientation(CameraOrientation *cam,
1515                         const VolatileRunFlags &flags);
1516         void updatePlayerControl(const CameraOrientation &cam);
1517         void step(f32 *dtime);
1518         void processClientEvents(CameraOrientation *cam, float *damage_flash);
1519         void updateCamera(VolatileRunFlags *flags, u32 busy_time, f32 dtime,
1520                         float time_from_last_punch);
1521         void updateSound(f32 dtime);
1522         void processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
1523                         GameRunData *runData, f32 dtime, bool show_hud,
1524                         bool show_debug);
1525         void handlePointingAtNode(GameRunData *runData,
1526                         const PointedThing &pointed, const ItemDefinition &playeritem_def,
1527                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1528         void handlePointingAtObject(GameRunData *runData,
1529                         const PointedThing &pointed, const ItemStack &playeritem,
1530                         const v3f &player_position, bool show_debug);
1531         void handleDigging(GameRunData *runData, const PointedThing &pointed,
1532                         const v3s16 &nodepos, const ToolCapabilities &playeritem_toolcap,
1533                         f32 dtime);
1534         void updateFrame(std::vector<aabb3f> &highlight_boxes, ProfilerGraph *graph,
1535                         RunStats *stats, GameRunData *runData,
1536                         f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam);
1537         void updateGui(float *statustext_time, const RunStats &stats,
1538                         const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
1539                         const CameraOrientation &cam);
1540         void updateProfilerGraphs(ProfilerGraph *graph);
1541
1542         // Misc
1543         void limitFps(FpsControl *fps_timings, f32 *dtime);
1544
1545         void showOverlayMessage(const wchar_t *msg, float dtime, int percent,
1546                         bool draw_clouds = true);
1547
1548 private:
1549         InputHandler *input;
1550
1551         Client *client;
1552         Server *server;
1553
1554         IWritableTextureSource *texture_src;
1555         IWritableShaderSource *shader_src;
1556
1557         // When created, these will be filled with data received from the server
1558         IWritableItemDefManager *itemdef_manager;
1559         IWritableNodeDefManager *nodedef_manager;
1560
1561         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1562         ISoundManager *sound;
1563         bool sound_is_dummy;
1564         SoundMaker *soundmaker;
1565
1566         ChatBackend *chat_backend;
1567
1568         GUIFormSpecMenu *current_formspec;
1569
1570         EventManager *eventmgr;
1571         QuicktuneShortcutter *quicktune;
1572
1573         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1574         MapDrawControl *draw_control;
1575         Camera *camera;
1576         Clouds *clouds;                   // Free using ->Drop()
1577         Sky *sky;                         // Free using ->Drop()
1578         Inventory *local_inventory;
1579         Hud *hud;
1580         Mapper *mapper;
1581
1582         /* 'cache'
1583            This class does take ownership/responsibily for cleaning up etc of any of
1584            these items (e.g. device)
1585         */
1586         IrrlichtDevice *device;
1587         video::IVideoDriver *driver;
1588         scene::ISceneManager *smgr;
1589         bool *kill;
1590         std::string *error_message;
1591         IGameDef *gamedef;                     // Convenience (same as *client)
1592         scene::ISceneNode *skybox;
1593
1594         bool random_input;
1595         bool simple_singleplayer_mode;
1596         /* End 'cache' */
1597
1598         /* Pre-calculated values
1599          */
1600         int crack_animation_length;
1601
1602         /* GUI stuff
1603          */
1604         gui::IGUIStaticText *guitext;          // First line of debug text
1605         gui::IGUIStaticText *guitext2;         // Second line of debug text
1606         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1607         gui::IGUIStaticText *guitext_status;
1608         gui::IGUIStaticText *guitext_chat;         // Chat text
1609         gui::IGUIStaticText *guitext_profiler; // Profiler text
1610
1611         std::wstring infotext;
1612         std::wstring statustext;
1613
1614         KeyCache keycache;
1615
1616         IntervalLimiter profiler_interval;
1617
1618         /* TODO: Add a callback function so these can be updated when a setting
1619          *       changes.  At this point in time it doesn't matter (e.g. /set
1620          *       is documented to change server settings only)
1621          *
1622          * TODO: Local caching of settings is not optimal and should at some stage
1623          *       be updated to use a global settings object for getting thse values
1624          *       (as opposed to the this local caching). This can be addressed in
1625          *       a later release.
1626          */
1627         bool m_cache_doubletap_jump;
1628         bool m_cache_enable_node_highlighting;
1629         bool m_cache_enable_clouds;
1630         bool m_cache_enable_particles;
1631         bool m_cache_enable_fog;
1632         f32  m_cache_mouse_sensitivity;
1633         f32  m_repeat_right_click_time;
1634
1635 #ifdef __ANDROID__
1636         bool m_cache_hold_aux1;
1637 #endif
1638
1639 };
1640
1641 Game::Game() :
1642         client(NULL),
1643         server(NULL),
1644         texture_src(NULL),
1645         shader_src(NULL),
1646         itemdef_manager(NULL),
1647         nodedef_manager(NULL),
1648         sound(NULL),
1649         sound_is_dummy(false),
1650         soundmaker(NULL),
1651         chat_backend(NULL),
1652         current_formspec(NULL),
1653         eventmgr(NULL),
1654         quicktune(NULL),
1655         gui_chat_console(NULL),
1656         draw_control(NULL),
1657         camera(NULL),
1658         clouds(NULL),
1659         sky(NULL),
1660         local_inventory(NULL),
1661         hud(NULL),
1662         mapper(NULL)
1663 {
1664         m_cache_doubletap_jump            = g_settings->getBool("doubletap_jump");
1665         m_cache_enable_node_highlighting  = g_settings->getBool("enable_node_highlighting");
1666         m_cache_enable_clouds             = g_settings->getBool("enable_clouds");
1667         m_cache_enable_particles          = g_settings->getBool("enable_particles");
1668         m_cache_enable_fog                = g_settings->getBool("enable_fog");
1669         m_cache_mouse_sensitivity         = g_settings->getFloat("mouse_sensitivity");
1670         m_repeat_right_click_time         = g_settings->getFloat("repeat_rightclick_time");
1671
1672         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
1673
1674 #ifdef __ANDROID__
1675         m_cache_hold_aux1 = false;      // This is initialised properly later
1676 #endif
1677
1678 }
1679
1680
1681
1682 /****************************************************************************
1683  MinetestApp Public
1684  ****************************************************************************/
1685
1686 Game::~Game()
1687 {
1688         delete client;
1689         delete soundmaker;
1690         if (!sound_is_dummy)
1691                 delete sound;
1692
1693         delete server; // deleted first to stop all server threads
1694
1695         delete hud;
1696         delete local_inventory;
1697         delete camera;
1698         delete quicktune;
1699         delete eventmgr;
1700         delete texture_src;
1701         delete shader_src;
1702         delete nodedef_manager;
1703         delete itemdef_manager;
1704         delete draw_control;
1705
1706         extendedResourceCleanup();
1707 }
1708
1709 bool Game::startup(bool *kill,
1710                 bool random_input,
1711                 InputHandler *input,
1712                 IrrlichtDevice *device,
1713                 const std::string &map_dir,
1714                 const std::string &playername,
1715                 const std::string &password,
1716                 std::string *address,     // can change if simple_singleplayer_mode
1717                 u16 port,
1718                 std::string &error_message,
1719                 ChatBackend *chat_backend,
1720                 const SubgameSpec &gamespec,
1721                 bool simple_singleplayer_mode)
1722 {
1723         // "cache"
1724         this->device        = device;
1725         this->kill          = kill;
1726         this->error_message = &error_message;
1727         this->random_input  = random_input;
1728         this->input         = input;
1729         this->chat_backend  = chat_backend;
1730         this->simple_singleplayer_mode = simple_singleplayer_mode;
1731
1732         driver              = device->getVideoDriver();
1733         smgr                = device->getSceneManager();
1734
1735         smgr->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1736
1737         if (!init(map_dir, address, port, gamespec))
1738                 return false;
1739
1740         if (!createClient(playername, password, address, port))
1741                 return false;
1742
1743         return true;
1744 }
1745
1746
1747 void Game::run()
1748 {
1749         ProfilerGraph graph;
1750         RunStats stats              = { 0 };
1751         CameraOrientation cam_view_target  = { 0 };
1752         CameraOrientation cam_view  = { 0 };
1753         GameRunData runData         = { 0 };
1754         FpsControl draw_times       = { 0 };
1755         VolatileRunFlags flags      = { 0 };
1756         f32 dtime; // in seconds
1757
1758         runData.time_from_last_punch  = 10.0;
1759         runData.profiler_max_page = 3;
1760         runData.update_wielded_item_trigger = true;
1761
1762         flags.show_chat = true;
1763         flags.show_hud = true;
1764         flags.show_minimap = g_settings->getBool("enable_minimap");
1765         flags.show_debug = g_settings->getBool("show_debug");
1766         flags.invert_mouse = g_settings->getBool("invert_mouse");
1767         flags.first_loop_after_window_activation = true;
1768
1769         /* Clear the profiler */
1770         Profiler::GraphValues dummyvalues;
1771         g_profiler->graphGet(dummyvalues);
1772
1773         draw_times.last_time = device->getTimer()->getTime();
1774
1775         shader_src->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1776                         sky,
1777                         &flags.force_fog_off,
1778                         &runData.fog_range,
1779                         client));
1780
1781         std::vector<aabb3f> highlight_boxes;
1782
1783         set_light_table(g_settings->getFloat("display_gamma"));
1784
1785 #ifdef __ANDROID__
1786         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1787                         && client->checkPrivilege("fast");
1788 #endif
1789
1790         while (device->run() && !(*kill || g_gamecallback->shutdown_requested)) {
1791
1792                 /* Must be called immediately after a device->run() call because it
1793                  * uses device->getTimer()->getTime()
1794                  */
1795                 limitFps(&draw_times, &dtime);
1796
1797                 updateStats(&stats, draw_times, dtime);
1798                 updateInteractTimers(&runData, dtime);
1799
1800                 if (!checkConnection())
1801                         break;
1802                 if (!handleCallbacks())
1803                         break;
1804
1805                 processQueues();
1806
1807                 infotext = L"";
1808                 hud->resizeHotbar();
1809
1810                 updateProfilers(runData, stats, draw_times, dtime);
1811                 processUserInput(&flags, &runData, dtime);
1812                 // Update camera before player movement to avoid camera lag of one frame
1813                 updateCameraDirection(&cam_view_target, &flags);
1814                 float cam_smoothing = 0;
1815                 if (g_settings->getBool("cinematic"))
1816                         cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
1817                 else
1818                         cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
1819                 cam_smoothing = rangelim(cam_smoothing, 0.01f, 1.0f);
1820                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1821                                 cam_view.camera_yaw) * cam_smoothing;
1822                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1823                                 cam_view.camera_pitch) * cam_smoothing;
1824                 updatePlayerControl(cam_view);
1825                 step(&dtime);
1826                 processClientEvents(&cam_view_target, &runData.damage_flash);
1827                 updateCamera(&flags, draw_times.busy_time, dtime,
1828                                 runData.time_from_last_punch);
1829                 updateSound(dtime);
1830                 processPlayerInteraction(highlight_boxes, &runData, dtime,
1831                                 flags.show_hud, flags.show_debug);
1832                 updateFrame(highlight_boxes, &graph, &stats, &runData, dtime,
1833                                 flags, cam_view);
1834                 updateProfilerGraphs(&graph);
1835         }
1836 }
1837
1838
1839 void Game::shutdown()
1840 {
1841         showOverlayMessage(wgettext("Shutting down..."), 0, 0, false);
1842
1843         if (clouds)
1844                 clouds->drop();
1845
1846         if (gui_chat_console)
1847                 gui_chat_console->drop();
1848
1849         if (sky)
1850                 sky->drop();
1851
1852         /* cleanup menus */
1853         while (g_menumgr.menuCount() > 0) {
1854                 g_menumgr.m_stack.front()->setVisible(false);
1855                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1856         }
1857
1858         if (current_formspec) {
1859                 current_formspec->drop();
1860                 current_formspec = NULL;
1861         }
1862
1863         chat_backend->addMessage(L"", L"# Disconnected.");
1864         chat_backend->addMessage(L"", L"");
1865
1866         if (client) {
1867                 client->Stop();
1868                 while (!client->isShutdown()) {
1869                         assert(texture_src != NULL);
1870                         assert(shader_src != NULL);
1871                         texture_src->processQueue();
1872                         shader_src->processQueue();
1873                         sleep_ms(100);
1874                 }
1875         }
1876 }
1877
1878
1879 /****************************************************************************/
1880 /****************************************************************************
1881  Startup
1882  ****************************************************************************/
1883 /****************************************************************************/
1884
1885 bool Game::init(
1886                 const std::string &map_dir,
1887                 std::string *address,
1888                 u16 port,
1889                 const SubgameSpec &gamespec)
1890 {
1891         showOverlayMessage(wgettext("Loading..."), 0, 0);
1892
1893         texture_src = createTextureSource(device);
1894         shader_src = createShaderSource(device);
1895
1896         itemdef_manager = createItemDefManager();
1897         nodedef_manager = createNodeDefManager();
1898
1899         eventmgr = new EventManager();
1900         quicktune = new QuicktuneShortcutter();
1901
1902         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1903                         && eventmgr && quicktune))
1904                 return false;
1905
1906         if (!initSound())
1907                 return false;
1908
1909         // Create a server if not connecting to an existing one
1910         if (*address == "") {
1911                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1912                         return false;
1913         }
1914
1915         return true;
1916 }
1917
1918 bool Game::initSound()
1919 {
1920 #if USE_SOUND
1921         if (g_settings->getBool("enable_sound")) {
1922                 infostream << "Attempting to use OpenAL audio" << std::endl;
1923                 sound = createOpenALSoundManager(&soundfetcher);
1924                 if (!sound)
1925                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1926         } else
1927                 infostream << "Sound disabled." << std::endl;
1928 #endif
1929
1930         if (!sound) {
1931                 infostream << "Using dummy audio." << std::endl;
1932                 sound = &dummySoundManager;
1933                 sound_is_dummy = true;
1934         }
1935
1936         soundmaker = new SoundMaker(sound, nodedef_manager);
1937         if (!soundmaker)
1938                 return false;
1939
1940         soundmaker->registerReceiver(eventmgr);
1941
1942         return true;
1943 }
1944
1945 bool Game::createSingleplayerServer(const std::string map_dir,
1946                 const SubgameSpec &gamespec, u16 port, std::string *address)
1947 {
1948         showOverlayMessage(wgettext("Creating server..."), 0, 5);
1949
1950         std::string bind_str = g_settings->get("bind_address");
1951         Address bind_addr(0, 0, 0, 0, port);
1952
1953         if (g_settings->getBool("ipv6_server")) {
1954                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1955         }
1956
1957         try {
1958                 bind_addr.Resolve(bind_str.c_str());
1959         } catch (ResolveError &e) {
1960                 infostream << "Resolving bind address \"" << bind_str
1961                            << "\" failed: " << e.what()
1962                            << " -- Listening on all addresses." << std::endl;
1963         }
1964
1965         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1966                 *error_message = "Unable to listen on " +
1967                                 bind_addr.serializeString() +
1968                                 " because IPv6 is disabled";
1969                 errorstream << *error_message << std::endl;
1970                 return false;
1971         }
1972
1973         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
1974                             bind_addr.isIPv6());
1975
1976         server->start(bind_addr);
1977
1978         return true;
1979 }
1980
1981 bool Game::createClient(const std::string &playername,
1982                 const std::string &password, std::string *address, u16 port)
1983 {
1984         showOverlayMessage(wgettext("Creating client..."), 0, 10);
1985
1986         draw_control = new MapDrawControl;
1987         if (!draw_control)
1988                 return false;
1989
1990         bool could_connect, connect_aborted;
1991
1992         if (!connectToServer(playername, password, address, port,
1993                         &could_connect, &connect_aborted))
1994                 return false;
1995
1996         if (!could_connect) {
1997                 if (error_message->empty() && !connect_aborted) {
1998                         // Should not happen if error messages are set properly
1999                         *error_message = "Connection failed for unknown reason";
2000                         errorstream << *error_message << std::endl;
2001                 }
2002                 return false;
2003         }
2004
2005         if (!getServerContent(&connect_aborted)) {
2006                 if (error_message->empty() && !connect_aborted) {
2007                         // Should not happen if error messages are set properly
2008                         *error_message = "Connection failed for unknown reason";
2009                         errorstream << *error_message << std::endl;
2010                 }
2011                 return false;
2012         }
2013
2014         // Update cached textures, meshes and materials
2015         client->afterContentReceived(device);
2016
2017         /* Camera
2018          */
2019         camera = new Camera(smgr, *draw_control, gamedef);
2020         if (!camera || !camera->successfullyCreated(*error_message))
2021                 return false;
2022
2023         /* Clouds
2024          */
2025         if (m_cache_enable_clouds) {
2026                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
2027                 if (!clouds) {
2028                         *error_message = "Memory allocation error (clouds)";
2029                         errorstream << *error_message << std::endl;
2030                         return false;
2031                 }
2032         }
2033
2034         /* Skybox
2035          */
2036         sky = new Sky(smgr->getRootSceneNode(), smgr, -1, texture_src);
2037         skybox = NULL;  // This is used/set later on in the main run loop
2038
2039         local_inventory = new Inventory(itemdef_manager);
2040
2041         if (!(sky && local_inventory)) {
2042                 *error_message = "Memory allocation error (sky or local inventory)";
2043                 errorstream << *error_message << std::endl;
2044                 return false;
2045         }
2046
2047         /* Pre-calculated values
2048          */
2049         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
2050         if (t) {
2051                 v2u32 size = t->getOriginalSize();
2052                 crack_animation_length = size.Y / size.X;
2053         } else {
2054                 crack_animation_length = 5;
2055         }
2056
2057         if (!initGui())
2058                 return false;
2059
2060         /* Set window caption
2061          */
2062         std::wstring str = narrow_to_wide(PROJECT_NAME_C);
2063         str += L" [";
2064         str += driver->getName();
2065         str += L"]";
2066         device->setWindowCaption(str.c_str());
2067
2068         LocalPlayer *player = client->getEnv().getLocalPlayer();
2069         player->hurt_tilt_timer = 0;
2070         player->hurt_tilt_strength = 0;
2071
2072         hud = new Hud(driver, smgr, guienv, gamedef, player, local_inventory);
2073
2074         if (!hud) {
2075                 *error_message = "Memory error: could not create HUD";
2076                 errorstream << *error_message << std::endl;
2077                 return false;
2078         }
2079
2080         mapper = client->getMapper();
2081         mapper->setMinimapMode(MINIMAP_MODE_OFF);
2082
2083         return true;
2084 }
2085
2086 bool Game::initGui()
2087 {
2088         // First line of debug text
2089         guitext = guienv->addStaticText(
2090                         narrow_to_wide(PROJECT_NAME_C).c_str(),
2091                         core::rect<s32>(0, 0, 0, 0),
2092                         false, false, guiroot);
2093
2094         // Second line of debug text
2095         guitext2 = guienv->addStaticText(
2096                         L"",
2097                         core::rect<s32>(0, 0, 0, 0),
2098                         false, false, guiroot);
2099
2100         // At the middle of the screen
2101         // Object infos are shown in this
2102         guitext_info = guienv->addStaticText(
2103                         L"",
2104                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2105                         false, true, guiroot);
2106
2107         // Status text (displays info when showing and hiding GUI stuff, etc.)
2108         guitext_status = guienv->addStaticText(
2109                         L"<Status>",
2110                         core::rect<s32>(0, 0, 0, 0),
2111                         false, false, guiroot);
2112         guitext_status->setVisible(false);
2113
2114         // Chat text
2115         guitext_chat = guienv->addStaticText(
2116                         L"",
2117                         core::rect<s32>(0, 0, 0, 0),
2118                         //false, false); // Disable word wrap as of now
2119                         false, true, guiroot);
2120         // Remove stale "recent" chat messages from previous connections
2121         chat_backend->clearRecentChat();
2122
2123         // Chat backend and console
2124         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2125                         -1, chat_backend, client);
2126         if (!gui_chat_console) {
2127                 *error_message = "Could not allocate memory for chat console";
2128                 errorstream << *error_message << std::endl;
2129                 return false;
2130         }
2131
2132         // Profiler text (size is updated when text is updated)
2133         guitext_profiler = guienv->addStaticText(
2134                         L"<Profiler>",
2135                         core::rect<s32>(0, 0, 0, 0),
2136                         false, false, guiroot);
2137         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2138         guitext_profiler->setVisible(false);
2139         guitext_profiler->setWordWrap(true);
2140
2141 #ifdef HAVE_TOUCHSCREENGUI
2142
2143         if (g_touchscreengui)
2144                 g_touchscreengui->init(texture_src, porting::getDisplayDensity());
2145
2146 #endif
2147
2148         return true;
2149 }
2150
2151 bool Game::connectToServer(const std::string &playername,
2152                 const std::string &password, std::string *address, u16 port,
2153                 bool *connect_ok, bool *aborted)
2154 {
2155         *connect_ok = false;    // Let's not be overly optimistic
2156         *aborted = false;
2157         bool local_server_mode = false;
2158
2159         showOverlayMessage(wgettext("Resolving address..."), 0, 15);
2160
2161         Address connect_address(0, 0, 0, 0, port);
2162
2163         try {
2164                 connect_address.Resolve(address->c_str());
2165
2166                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2167                         //connect_address.Resolve("localhost");
2168                         if (connect_address.isIPv6()) {
2169                                 IPv6AddressBytes addr_bytes;
2170                                 addr_bytes.bytes[15] = 1;
2171                                 connect_address.setAddress(&addr_bytes);
2172                         } else {
2173                                 connect_address.setAddress(127, 0, 0, 1);
2174                         }
2175                         local_server_mode = true;
2176                 }
2177         } catch (ResolveError &e) {
2178                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2179                 errorstream << *error_message << std::endl;
2180                 return false;
2181         }
2182
2183         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2184                 *error_message = "Unable to connect to " +
2185                                 connect_address.serializeString() +
2186                                 " because IPv6 is disabled";
2187                 errorstream << *error_message << std::endl;
2188                 return false;
2189         }
2190
2191         client = new Client(device,
2192                         playername.c_str(), password,
2193                         *draw_control, texture_src, shader_src,
2194                         itemdef_manager, nodedef_manager, sound, eventmgr,
2195                         connect_address.isIPv6());
2196
2197         if (!client)
2198                 return false;
2199
2200         gamedef = client;       // Client acts as our GameDef
2201
2202         infostream << "Connecting to server at ";
2203         connect_address.print(&infostream);
2204         infostream << std::endl;
2205
2206         client->connect(connect_address, *address,
2207                 simple_singleplayer_mode || local_server_mode);
2208
2209         /*
2210                 Wait for server to accept connection
2211         */
2212
2213         try {
2214                 input->clear();
2215
2216                 FpsControl fps_control = { 0 };
2217                 f32 dtime;
2218                 f32 wait_time = 0; // in seconds
2219
2220                 fps_control.last_time = device->getTimer()->getTime();
2221
2222                 while (device->run()) {
2223
2224                         limitFps(&fps_control, &dtime);
2225
2226                         // Update client and server
2227                         client->step(dtime);
2228
2229                         if (server != NULL)
2230                                 server->step(dtime);
2231
2232                         // End condition
2233                         if (client->getState() == LC_Init) {
2234                                 *connect_ok = true;
2235                                 break;
2236                         }
2237
2238                         // Break conditions
2239                         if (client->accessDenied()) {
2240                                 *error_message = "Access denied. Reason: "
2241                                                 + client->accessDeniedReason();
2242                                 errorstream << *error_message << std::endl;
2243                                 break;
2244                         }
2245
2246                         if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2247                                 *aborted = true;
2248                                 infostream << "Connect aborted [Escape]" << std::endl;
2249                                 break;
2250                         }
2251
2252                         wait_time += dtime;
2253                         // Only time out if we aren't waiting for the server we started
2254                         if ((*address != "") && (wait_time > 10)) {
2255                                 *error_message = "Connection timed out.";
2256                                 errorstream << *error_message << std::endl;
2257                                 break;
2258                         }
2259
2260                         // Update status
2261                         showOverlayMessage(wgettext("Connecting to server..."), dtime, 20);
2262                 }
2263         } catch (con::PeerNotFoundException &e) {
2264                 // TODO: Should something be done here? At least an info/error
2265                 // message?
2266                 return false;
2267         }
2268
2269         return true;
2270 }
2271
2272 bool Game::getServerContent(bool *aborted)
2273 {
2274         input->clear();
2275
2276         FpsControl fps_control = { 0 };
2277         f32 dtime; // in seconds
2278
2279         fps_control.last_time = device->getTimer()->getTime();
2280
2281         while (device->run()) {
2282
2283                 limitFps(&fps_control, &dtime);
2284
2285                 // Update client and server
2286                 client->step(dtime);
2287
2288                 if (server != NULL)
2289                         server->step(dtime);
2290
2291                 // End condition
2292                 if (client->mediaReceived() && client->itemdefReceived() &&
2293                                 client->nodedefReceived()) {
2294                         break;
2295                 }
2296
2297                 // Error conditions
2298                 if (!checkConnection())
2299                         return false;
2300
2301                 if (client->getState() < LC_Init) {
2302                         *error_message = "Client disconnected";
2303                         errorstream << *error_message << std::endl;
2304                         return false;
2305                 }
2306
2307                 if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2308                         *aborted = true;
2309                         infostream << "Connect aborted [Escape]" << std::endl;
2310                         return false;
2311                 }
2312
2313                 // Display status
2314                 int progress = 25;
2315
2316                 if (!client->itemdefReceived()) {
2317                         const wchar_t *text = wgettext("Item definitions...");
2318                         progress = 25;
2319                         draw_load_screen(text, device, guienv, dtime, progress);
2320                         delete[] text;
2321                 } else if (!client->nodedefReceived()) {
2322                         const wchar_t *text = wgettext("Node definitions...");
2323                         progress = 30;
2324                         draw_load_screen(text, device, guienv, dtime, progress);
2325                         delete[] text;
2326                 } else {
2327                         std::stringstream message;
2328                         message.precision(3);
2329                         message << gettext("Media...");
2330
2331                         if ((USE_CURL == 0) ||
2332                                         (!g_settings->getBool("enable_remote_media_server"))) {
2333                                 float cur = client->getCurRate();
2334                                 std::string cur_unit = gettext("KiB/s");
2335
2336                                 if (cur > 900) {
2337                                         cur /= 1024.0;
2338                                         cur_unit = gettext("MiB/s");
2339                                 }
2340
2341                                 message << " (" << cur << ' ' << cur_unit << ")";
2342                         }
2343
2344                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2345                         draw_load_screen(narrow_to_wide(message.str()), device,
2346                                         guienv, dtime, progress);
2347                 }
2348         }
2349
2350         return true;
2351 }
2352
2353
2354 /****************************************************************************/
2355 /****************************************************************************
2356  Run
2357  ****************************************************************************/
2358 /****************************************************************************/
2359
2360 inline void Game::updateInteractTimers(GameRunData *runData, f32 dtime)
2361 {
2362         if (runData->nodig_delay_timer >= 0)
2363                 runData->nodig_delay_timer -= dtime;
2364
2365         if (runData->object_hit_delay_timer >= 0)
2366                 runData->object_hit_delay_timer -= dtime;
2367
2368         runData->time_from_last_punch += dtime;
2369 }
2370
2371
2372 /* returns false if game should exit, otherwise true
2373  */
2374 inline bool Game::checkConnection()
2375 {
2376         if (client->accessDenied()) {
2377                 *error_message = "Access denied. Reason: "
2378                                 + client->accessDeniedReason();
2379                 errorstream << *error_message << std::endl;
2380                 return false;
2381         }
2382
2383         return true;
2384 }
2385
2386
2387 /* returns false if game should exit, otherwise true
2388  */
2389 inline bool Game::handleCallbacks()
2390 {
2391         if (g_gamecallback->disconnect_requested) {
2392                 g_gamecallback->disconnect_requested = false;
2393                 return false;
2394         }
2395
2396         if (g_gamecallback->changepassword_requested) {
2397                 (new GUIPasswordChange(guienv, guiroot, -1,
2398                                        &g_menumgr, client))->drop();
2399                 g_gamecallback->changepassword_requested = false;
2400         }
2401
2402         if (g_gamecallback->changevolume_requested) {
2403                 (new GUIVolumeChange(guienv, guiroot, -1,
2404                                      &g_menumgr, client))->drop();
2405                 g_gamecallback->changevolume_requested = false;
2406         }
2407
2408         if (g_gamecallback->keyconfig_requested) {
2409                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2410                                       &g_menumgr))->drop();
2411                 g_gamecallback->keyconfig_requested = false;
2412         }
2413
2414         if (g_gamecallback->keyconfig_changed) {
2415                 keycache.populate(); // update the cache with new settings
2416                 g_gamecallback->keyconfig_changed = false;
2417         }
2418
2419         return true;
2420 }
2421
2422
2423 void Game::processQueues()
2424 {
2425         texture_src->processQueue();
2426         itemdef_manager->processQueue(gamedef);
2427         shader_src->processQueue();
2428 }
2429
2430
2431 void Game::updateProfilers(const GameRunData &runData, const RunStats &stats,
2432                 const FpsControl &draw_times, f32 dtime)
2433 {
2434         float profiler_print_interval =
2435                         g_settings->getFloat("profiler_print_interval");
2436         bool print_to_log = true;
2437
2438         if (profiler_print_interval == 0) {
2439                 print_to_log = false;
2440                 profiler_print_interval = 5;
2441         }
2442
2443         if (profiler_interval.step(dtime, profiler_print_interval)) {
2444                 if (print_to_log) {
2445                         infostream << "Profiler:" << std::endl;
2446                         g_profiler->print(infostream);
2447                 }
2448
2449                 update_profiler_gui(guitext_profiler, g_fontengine,
2450                                 runData.profiler_current_page, runData.profiler_max_page,
2451                                 driver->getScreenSize().Height);
2452
2453                 g_profiler->clear();
2454         }
2455
2456         addProfilerGraphs(stats, draw_times, dtime);
2457 }
2458
2459
2460 void Game::addProfilerGraphs(const RunStats &stats,
2461                 const FpsControl &draw_times, f32 dtime)
2462 {
2463         g_profiler->graphAdd("mainloop_other",
2464                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2465
2466         if (draw_times.sleep_time != 0)
2467                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2468         g_profiler->graphAdd("mainloop_dtime", dtime);
2469
2470         g_profiler->add("Elapsed time", dtime);
2471         g_profiler->avg("FPS", 1. / dtime);
2472 }
2473
2474
2475 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2476                 f32 dtime)
2477 {
2478
2479         f32 jitter;
2480         Jitter *jp;
2481
2482         /* Time average and jitter calculation
2483          */
2484         jp = &stats->dtime_jitter;
2485         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2486
2487         jitter = dtime - jp->avg;
2488
2489         if (jitter > jp->max)
2490                 jp->max = jitter;
2491
2492         jp->counter += dtime;
2493
2494         if (jp->counter > 0.0) {
2495                 jp->counter -= 3.0;
2496                 jp->max_sample = jp->max;
2497                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2498                 jp->max = 0.0;
2499         }
2500
2501         /* Busytime average and jitter calculation
2502          */
2503         jp = &stats->busy_time_jitter;
2504         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2505
2506         jitter = draw_times.busy_time - jp->avg;
2507
2508         if (jitter > jp->max)
2509                 jp->max = jitter;
2510         if (jitter < jp->min)
2511                 jp->min = jitter;
2512
2513         jp->counter += dtime;
2514
2515         if (jp->counter > 0.0) {
2516                 jp->counter -= 3.0;
2517                 jp->max_sample = jp->max;
2518                 jp->min_sample = jp->min;
2519                 jp->max = 0.0;
2520                 jp->min = 0.0;
2521         }
2522 }
2523
2524
2525
2526 /****************************************************************************
2527  Input handling
2528  ****************************************************************************/
2529
2530 void Game::processUserInput(VolatileRunFlags *flags,
2531                 GameRunData *runData, f32 dtime)
2532 {
2533         // Reset input if window not active or some menu is active
2534         if (device->isWindowActive() == false
2535                         || noMenuActive() == false
2536                         || guienv->hasFocus(gui_chat_console)) {
2537                 input->clear();
2538         }
2539
2540         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2541                 gui_chat_console->closeConsoleAtOnce();
2542         }
2543
2544         // Input handler step() (used by the random input generator)
2545         input->step(dtime);
2546
2547 #ifdef HAVE_TOUCHSCREENGUI
2548
2549         if (g_touchscreengui) {
2550                 g_touchscreengui->step(dtime);
2551         }
2552
2553 #endif
2554 #ifdef __ANDROID__
2555
2556         if (current_formspec != 0)
2557                 current_formspec->getAndroidUIInput();
2558
2559 #endif
2560
2561         // Increase timer for double tap of "keymap_jump"
2562         if (m_cache_doubletap_jump && runData->jump_timer <= 0.2)
2563                 runData->jump_timer += dtime;
2564
2565         processKeyboardInput(
2566                         flags,
2567                         &runData->statustext_time,
2568                         &runData->jump_timer,
2569                         &runData->reset_jump_timer,
2570                         &runData->profiler_current_page,
2571                         runData->profiler_max_page);
2572
2573         processItemSelection(&runData->new_playeritem);
2574 }
2575
2576
2577 void Game::processKeyboardInput(VolatileRunFlags *flags,
2578                 float *statustext_time,
2579                 float *jump_timer,
2580                 bool *reset_jump_timer,
2581                 u32 *profiler_current_page,
2582                 u32 profiler_max_page)
2583 {
2584
2585         //TimeTaker tt("process kybd input", NULL, PRECISION_NANO);
2586
2587         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DROP])) {
2588                 dropSelectedItem();
2589         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INVENTORY])) {
2590                 openInventory();
2591         } else if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2592                 show_pause_menu(&current_formspec, client, gamedef, texture_src, device,
2593                                 simple_singleplayer_mode);
2594         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CHAT])) {
2595                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2596                                 client, "");
2597         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CMD])) {
2598                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2599                                 client, "/");
2600         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CONSOLE])) {
2601                 openConsole();
2602         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FREEMOVE])) {
2603                 toggleFreeMove(statustext_time);
2604         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])) {
2605                 toggleFreeMoveAlt(statustext_time, jump_timer);
2606                 *reset_jump_timer = true;
2607         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FASTMOVE])) {
2608                 toggleFast(statustext_time);
2609         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_NOCLIP])) {
2610                 toggleNoClip(statustext_time);
2611         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CINEMATIC])) {
2612                 toggleCinematic(statustext_time);
2613         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_SCREENSHOT])) {
2614                 client->makeScreenshot(device);
2615         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_HUD])) {
2616                 toggleHud(statustext_time, &flags->show_hud);
2617         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_MINIMAP])) {
2618                 toggleMinimap(statustext_time, &flags->show_minimap, &flags->show_hud,
2619                         input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]));
2620         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_CHAT])) {
2621                 toggleChat(statustext_time, &flags->show_chat);
2622         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_FORCE_FOG_OFF])) {
2623                 toggleFog(statustext_time, &flags->force_fog_off);
2624         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_UPDATE_CAMERA])) {
2625                 toggleUpdateCamera(statustext_time, &flags->disable_camera_update);
2626         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_DEBUG])) {
2627                 toggleDebug(statustext_time, &flags->show_debug, &flags->show_profiler_graph);
2628         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_PROFILER])) {
2629                 toggleProfiler(statustext_time, profiler_current_page, profiler_max_page);
2630         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INCREASE_VIEWING_RANGE])) {
2631                 increaseViewRange(statustext_time);
2632         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DECREASE_VIEWING_RANGE])) {
2633                 decreaseViewRange(statustext_time);
2634         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_RANGESELECT])) {
2635                 toggleFullViewRange(statustext_time);
2636         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_NEXT]))
2637                 quicktune->next();
2638         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_PREV]))
2639                 quicktune->prev();
2640         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_INC]))
2641                 quicktune->inc();
2642         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_DEC]))
2643                 quicktune->dec();
2644         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DEBUG_STACKS])) {
2645                 // Print debug stacks
2646                 dstream << "-----------------------------------------"
2647                         << std::endl;
2648                 dstream << DTIME << "Printing debug stacks:" << std::endl;
2649                 dstream << "-----------------------------------------"
2650                         << std::endl;
2651                 debug_stacks_print();
2652         }
2653
2654         if (!input->isKeyDown(getKeySetting("keymap_jump")) && *reset_jump_timer) {
2655                 *reset_jump_timer = false;
2656                 *jump_timer = 0.0;
2657         }
2658
2659         //tt.stop();
2660
2661         if (quicktune->hasMessage()) {
2662                 std::string msg = quicktune->getMessage();
2663                 statustext = narrow_to_wide(msg);
2664                 *statustext_time = 0;
2665         }
2666 }
2667
2668
2669 void Game::processItemSelection(u16 *new_playeritem)
2670 {
2671         LocalPlayer *player = client->getEnv().getLocalPlayer();
2672
2673         /* Item selection using mouse wheel
2674          */
2675         *new_playeritem = client->getPlayerItem();
2676
2677         s32 wheel = input->getMouseWheel();
2678         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2679                                  player->hud_hotbar_itemcount - 1);
2680
2681         if (wheel < 0)
2682                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2683         else if (wheel > 0)
2684                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2685         // else wheel == 0
2686
2687
2688         /* Item selection using keyboard
2689          */
2690         for (u16 i = 0; i < 10; i++) {
2691                 static const KeyPress *item_keys[10] = {
2692                         NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
2693                         NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
2694                         NumberKey + 9, NumberKey + 0,
2695                 };
2696
2697                 if (input->wasKeyDown(*item_keys[i])) {
2698                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2699                                 *new_playeritem = i;
2700                                 infostream << "Selected item: " << new_playeritem << std::endl;
2701                         }
2702                         break;
2703                 }
2704         }
2705 }
2706
2707
2708 void Game::dropSelectedItem()
2709 {
2710         IDropAction *a = new IDropAction();
2711         a->count = 0;
2712         a->from_inv.setCurrentPlayer();
2713         a->from_list = "main";
2714         a->from_i = client->getPlayerItem();
2715         client->inventoryAction(a);
2716 }
2717
2718
2719 void Game::openInventory()
2720 {
2721         /*
2722          * Don't permit to open inventory is CAO or player doesn't exists.
2723          * This prevent showing an empty inventory at player load
2724          */
2725
2726         LocalPlayer *player = client->getEnv().getLocalPlayer();
2727         if (player == NULL || player->getCAO() == NULL)
2728                 return;
2729
2730         infostream << "the_game: " << "Launching inventory" << std::endl;
2731
2732         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2733         TextDest *txt_dst = new TextDestPlayerInventory(client);
2734
2735         create_formspec_menu(&current_formspec, client, gamedef, texture_src,
2736                         device, fs_src, txt_dst, client);
2737
2738         InventoryLocation inventoryloc;
2739         inventoryloc.setCurrentPlayer();
2740         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2741 }
2742
2743
2744 void Game::openConsole()
2745 {
2746         if (!gui_chat_console->isOpenInhibited()) {
2747                 // Open up to over half of the screen
2748                 gui_chat_console->openConsole(0.6);
2749                 guienv->setFocus(gui_chat_console);
2750         }
2751 }
2752
2753
2754 void Game::toggleFreeMove(float *statustext_time)
2755 {
2756         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2757
2758         bool free_move = !g_settings->getBool("free_move");
2759         g_settings->set("free_move", bool_to_cstr(free_move));
2760
2761         *statustext_time = 0;
2762         statustext = msg[free_move];
2763         if (free_move && !client->checkPrivilege("fly"))
2764                 statustext += L" (note: no 'fly' privilege)";
2765 }
2766
2767
2768 void Game::toggleFreeMoveAlt(float *statustext_time, float *jump_timer)
2769 {
2770         if (m_cache_doubletap_jump && *jump_timer < 0.2f)
2771                 toggleFreeMove(statustext_time);
2772 }
2773
2774
2775 void Game::toggleFast(float *statustext_time)
2776 {
2777         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2778         bool fast_move = !g_settings->getBool("fast_move");
2779         g_settings->set("fast_move", bool_to_cstr(fast_move));
2780
2781         *statustext_time = 0;
2782         statustext = msg[fast_move];
2783
2784         bool has_fast_privs = client->checkPrivilege("fast");
2785
2786         if (fast_move && !has_fast_privs)
2787                 statustext += L" (note: no 'fast' privilege)";
2788
2789 #ifdef __ANDROID__
2790         m_cache_hold_aux1 = fast_move && has_fast_privs;
2791 #endif
2792 }
2793
2794
2795 void Game::toggleNoClip(float *statustext_time)
2796 {
2797         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2798         bool noclip = !g_settings->getBool("noclip");
2799         g_settings->set("noclip", bool_to_cstr(noclip));
2800
2801         *statustext_time = 0;
2802         statustext = msg[noclip];
2803
2804         if (noclip && !client->checkPrivilege("noclip"))
2805                 statustext += L" (note: no 'noclip' privilege)";
2806 }
2807
2808 void Game::toggleCinematic(float *statustext_time)
2809 {
2810         static const wchar_t *msg[] = { L"cinematic disabled", L"cinematic enabled" };
2811         bool cinematic = !g_settings->getBool("cinematic");
2812         g_settings->set("cinematic", bool_to_cstr(cinematic));
2813
2814         *statustext_time = 0;
2815         statustext = msg[cinematic];
2816 }
2817
2818
2819 void Game::toggleChat(float *statustext_time, bool *flag)
2820 {
2821         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2822
2823         *flag = !*flag;
2824         *statustext_time = 0;
2825         statustext = msg[*flag];
2826 }
2827
2828
2829 void Game::toggleHud(float *statustext_time, bool *flag)
2830 {
2831         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2832
2833         *flag = !*flag;
2834         *statustext_time = 0;
2835         statustext = msg[*flag];
2836         if (g_settings->getBool("enable_node_highlighting"))
2837                 client->setHighlighted(client->getHighlighted(), *flag);
2838 }
2839
2840 void Game::toggleMinimap(float *statustext_time, bool *flag, bool *show_hud, bool shift_pressed)
2841 {
2842         if (*show_hud && g_settings->getBool("enable_minimap")) {
2843                 if (shift_pressed) {
2844                         mapper->toggleMinimapShape();
2845                         return;
2846                 }
2847                 MinimapMode mode = mapper->getMinimapMode();
2848                 mode = (MinimapMode)((int)(mode) + 1);
2849                 *flag = true;
2850                 switch (mode) {
2851                         case MINIMAP_MODE_SURFACEx1:
2852                                 statustext = L"Minimap in surface mode, Zoom x1";
2853                                 break;
2854                         case MINIMAP_MODE_SURFACEx2:
2855                                 statustext = L"Minimap in surface mode, Zoom x2";
2856                                 break;
2857                         case MINIMAP_MODE_SURFACEx4:
2858                                 statustext = L"Minimap in surface mode, Zoom x4";
2859                                 break;
2860                         case MINIMAP_MODE_RADARx1:
2861                                 statustext = L"Minimap in radar mode, Zoom x1";
2862                                 break;
2863                         case MINIMAP_MODE_RADARx2:
2864                                 statustext = L"Minimap in radar mode, Zoom x2";
2865                                 break;
2866                         case MINIMAP_MODE_RADARx4:
2867                                 statustext = L"Minimap in radar mode, Zoom x4";
2868                                 break;
2869                         default:
2870                                 mode = MINIMAP_MODE_OFF;
2871                                 *flag = false;
2872                                 statustext = L"Minimap hidden";
2873                 }
2874                 *statustext_time = 0;
2875                 mapper->setMinimapMode(mode);
2876         }
2877 }
2878
2879 void Game::toggleFog(float *statustext_time, bool *flag)
2880 {
2881         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2882
2883         *flag = !*flag;
2884         *statustext_time = 0;
2885         statustext = msg[*flag];
2886 }
2887
2888
2889 void Game::toggleDebug(float *statustext_time, bool *show_debug,
2890                 bool *show_profiler_graph)
2891 {
2892         // Initial / 3x toggle: Chat only
2893         // 1x toggle: Debug text with chat
2894         // 2x toggle: Debug text with profiler graph
2895         if (!*show_debug) {
2896                 *show_debug = true;
2897                 *show_profiler_graph = false;
2898                 statustext = L"Debug info shown";
2899         } else if (*show_profiler_graph) {
2900                 *show_debug = false;
2901                 *show_profiler_graph = false;
2902                 statustext = L"Debug info and profiler graph hidden";
2903         } else {
2904                 *show_profiler_graph = true;
2905                 statustext = L"Profiler graph shown";
2906         }
2907         *statustext_time = 0;
2908 }
2909
2910
2911 void Game::toggleUpdateCamera(float *statustext_time, bool *flag)
2912 {
2913         static const wchar_t *msg[] = {
2914                 L"Camera update enabled",
2915                 L"Camera update disabled"
2916         };
2917
2918         *flag = !*flag;
2919         *statustext_time = 0;
2920         statustext = msg[*flag];
2921 }
2922
2923
2924 void Game::toggleProfiler(float *statustext_time, u32 *profiler_current_page,
2925                 u32 profiler_max_page)
2926 {
2927         *profiler_current_page = (*profiler_current_page + 1) % (profiler_max_page + 1);
2928
2929         // FIXME: This updates the profiler with incomplete values
2930         update_profiler_gui(guitext_profiler, g_fontengine, *profiler_current_page,
2931                         profiler_max_page, driver->getScreenSize().Height);
2932
2933         if (*profiler_current_page != 0) {
2934                 std::wstringstream sstr;
2935                 sstr << "Profiler shown (page " << *profiler_current_page
2936                      << " of " << profiler_max_page << ")";
2937                 statustext = sstr.str();
2938         } else {
2939                 statustext = L"Profiler hidden";
2940         }
2941         *statustext_time = 0;
2942 }
2943
2944
2945 void Game::increaseViewRange(float *statustext_time)
2946 {
2947         s16 range = g_settings->getS16("viewing_range_nodes_min");
2948         s16 range_new = range + 10;
2949         g_settings->set("viewing_range_nodes_min", itos(range_new));
2950         statustext = narrow_to_wide("Minimum viewing range changed to "
2951                         + itos(range_new));
2952         *statustext_time = 0;
2953 }
2954
2955
2956 void Game::decreaseViewRange(float *statustext_time)
2957 {
2958         s16 range = g_settings->getS16("viewing_range_nodes_min");
2959         s16 range_new = range - 10;
2960
2961         if (range_new < 0)
2962                 range_new = range;
2963
2964         g_settings->set("viewing_range_nodes_min", itos(range_new));
2965         statustext = narrow_to_wide("Minimum viewing range changed to "
2966                         + itos(range_new));
2967         *statustext_time = 0;
2968 }
2969
2970
2971 void Game::toggleFullViewRange(float *statustext_time)
2972 {
2973         static const wchar_t *msg[] = {
2974                 L"Disabled full viewing range",
2975                 L"Enabled full viewing range"
2976         };
2977
2978         draw_control->range_all = !draw_control->range_all;
2979         infostream << msg[draw_control->range_all] << std::endl;
2980         statustext = msg[draw_control->range_all];
2981         *statustext_time = 0;
2982 }
2983
2984
2985 void Game::updateCameraDirection(CameraOrientation *cam,
2986                 VolatileRunFlags *flags)
2987 {
2988         if ((device->isWindowActive() && noMenuActive()) || random_input) {
2989
2990 #ifndef __ANDROID__
2991                 if (!random_input) {
2992                         // Mac OSX gets upset if this is set every frame
2993                         if (device->getCursorControl()->isVisible())
2994                                 device->getCursorControl()->setVisible(false);
2995                 }
2996 #endif
2997
2998                 if (flags->first_loop_after_window_activation)
2999                         flags->first_loop_after_window_activation = false;
3000                 else
3001                         updateCameraOrientation(cam, *flags);
3002
3003                 input->setMousePos((driver->getScreenSize().Width / 2),
3004                                 (driver->getScreenSize().Height / 2));
3005         } else {
3006
3007 #ifndef ANDROID
3008                 // Mac OSX gets upset if this is set every frame
3009                 if (device->getCursorControl()->isVisible() == false)
3010                         device->getCursorControl()->setVisible(true);
3011 #endif
3012
3013                 if (!flags->first_loop_after_window_activation)
3014                         flags->first_loop_after_window_activation = true;
3015
3016         }
3017 }
3018
3019
3020 void Game::updateCameraOrientation(CameraOrientation *cam,
3021                 const VolatileRunFlags &flags)
3022 {
3023 #ifdef HAVE_TOUCHSCREENGUI
3024         if (g_touchscreengui) {
3025                 cam->camera_yaw   = g_touchscreengui->getYaw();
3026                 cam->camera_pitch = g_touchscreengui->getPitch();
3027         } else {
3028 #endif
3029                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3030                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3031
3032                 if (flags.invert_mouse
3033                                 || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3034                         dy = -dy;
3035                 }
3036
3037                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3038                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3039
3040 #ifdef HAVE_TOUCHSCREENGUI
3041         }
3042 #endif
3043
3044         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3045 }
3046
3047
3048 void Game::updatePlayerControl(const CameraOrientation &cam)
3049 {
3050         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3051
3052         PlayerControl control(
3053                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD]),
3054                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]),
3055                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT]),
3056                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT]),
3057                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP]),
3058                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]),
3059                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]),
3060                 input->getLeftState(),
3061                 input->getRightState(),
3062                 cam.camera_pitch,
3063                 cam.camera_yaw
3064         );
3065
3066         u32 keypress_bits =
3067                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD])  & 0x1) << 0) |
3068                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]) & 0x1) << 1) |
3069                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT])     & 0x1) << 2) |
3070                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT])    & 0x1) << 3) |
3071                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])     & 0x1) << 4) |
3072                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]) & 0x1) << 5) |
3073                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK])    & 0x1) << 6) |
3074                         ( (u32)(input->getLeftState()                                        & 0x1) << 7) |
3075                         ( (u32)(input->getRightState()                                       & 0x1) << 8
3076                 );
3077
3078 #ifdef ANDROID
3079         /* For Android, simulate holding down AUX1 (fast move) if the user has
3080          * the fast_move setting toggled on. If there is an aux1 key defined for
3081          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3082          * not fast)
3083          */
3084         if (m_cache_hold_aux1) {
3085                 control.aux1 = control.aux1 ^ true;
3086                 keypress_bits ^= ((u32)(1U << 5));
3087         }
3088 #endif
3089
3090         client->setPlayerControl(control);
3091         LocalPlayer *player = client->getEnv().getLocalPlayer();
3092         player->keyPressed = keypress_bits;
3093
3094         //tt.stop();
3095 }
3096
3097
3098 inline void Game::step(f32 *dtime)
3099 {
3100         bool can_be_and_is_paused =
3101                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3102
3103         if (can_be_and_is_paused) {     // This is for a singleplayer server
3104                 *dtime = 0;             // No time passes
3105         } else {
3106                 if (server != NULL) {
3107                         //TimeTaker timer("server->step(dtime)");
3108                         server->step(*dtime);
3109                 }
3110
3111                 //TimeTaker timer("client.step(dtime)");
3112                 client->step(*dtime);
3113         }
3114 }
3115
3116
3117 void Game::processClientEvents(CameraOrientation *cam, float *damage_flash)
3118 {
3119         ClientEvent event = client->getClientEvent();
3120
3121         LocalPlayer *player = client->getEnv().getLocalPlayer();
3122
3123         for ( ; event.type != CE_NONE; event = client->getClientEvent()) {
3124
3125                 if (event.type == CE_PLAYER_DAMAGE &&
3126                                 client->getHP() != 0) {
3127                         //u16 damage = event.player_damage.amount;
3128                         //infostream<<"Player damage: "<<damage<<std::endl;
3129
3130                         *damage_flash += 100.0;
3131                         *damage_flash += 8.0 * event.player_damage.amount;
3132
3133                         player->hurt_tilt_timer = 1.5;
3134                         player->hurt_tilt_strength = event.player_damage.amount / 4;
3135                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 1.0, 4.0);
3136
3137                         MtEvent *e = new SimpleTriggerEvent("PlayerDamage");
3138                         gamedef->event()->put(e);
3139                 } else if (event.type == CE_PLAYER_FORCE_MOVE) {
3140                         cam->camera_yaw = event.player_force_move.yaw;
3141                         cam->camera_pitch = event.player_force_move.pitch;
3142                 } else if (event.type == CE_DEATHSCREEN) {
3143                         show_deathscreen(&current_formspec, client, gamedef, texture_src,
3144                                          device, client);
3145
3146                         chat_backend->addMessage(L"", L"You died.");
3147
3148                         /* Handle visualization */
3149                         *damage_flash = 0;
3150                         player->hurt_tilt_timer = 0;
3151                         player->hurt_tilt_strength = 0;
3152
3153                 } else if (event.type == CE_SHOW_FORMSPEC) {
3154                         FormspecFormSource *fs_src =
3155                                 new FormspecFormSource(*(event.show_formspec.formspec));
3156                         TextDestPlayerInventory *txt_dst =
3157                                 new TextDestPlayerInventory(client, *(event.show_formspec.formname));
3158
3159                         create_formspec_menu(&current_formspec, client, gamedef,
3160                                              texture_src, device, fs_src, txt_dst, client);
3161
3162                         delete(event.show_formspec.formspec);
3163                         delete(event.show_formspec.formname);
3164                 } else if ((event.type == CE_SPAWN_PARTICLE) ||
3165                                 (event.type == CE_ADD_PARTICLESPAWNER) ||
3166                                 (event.type == CE_DELETE_PARTICLESPAWNER)) {
3167                         client->getParticleManager()->handleParticleEvent(&event, gamedef,
3168                                         smgr, player);
3169                 } else if (event.type == CE_HUDADD) {
3170                         u32 id = event.hudadd.id;
3171
3172                         LocalPlayer *player = client->getEnv().getLocalPlayer();
3173                         HudElement *e = player->getHud(id);
3174
3175                         if (e != NULL) {
3176                                 delete event.hudadd.pos;
3177                                 delete event.hudadd.name;
3178                                 delete event.hudadd.scale;
3179                                 delete event.hudadd.text;
3180                                 delete event.hudadd.align;
3181                                 delete event.hudadd.offset;
3182                                 delete event.hudadd.world_pos;
3183                                 delete event.hudadd.size;
3184                                 continue;
3185                         }
3186
3187                         e = new HudElement;
3188                         e->type   = (HudElementType)event.hudadd.type;
3189                         e->pos    = *event.hudadd.pos;
3190                         e->name   = *event.hudadd.name;
3191                         e->scale  = *event.hudadd.scale;
3192                         e->text   = *event.hudadd.text;
3193                         e->number = event.hudadd.number;
3194                         e->item   = event.hudadd.item;
3195                         e->dir    = event.hudadd.dir;
3196                         e->align  = *event.hudadd.align;
3197                         e->offset = *event.hudadd.offset;
3198                         e->world_pos = *event.hudadd.world_pos;
3199                         e->size = *event.hudadd.size;
3200
3201                         u32 new_id = player->addHud(e);
3202                         //if this isn't true our huds aren't consistent
3203                         sanity_check(new_id == id);
3204
3205                         delete event.hudadd.pos;
3206                         delete event.hudadd.name;
3207                         delete event.hudadd.scale;
3208                         delete event.hudadd.text;
3209                         delete event.hudadd.align;
3210                         delete event.hudadd.offset;
3211                         delete event.hudadd.world_pos;
3212                         delete event.hudadd.size;
3213                 } else if (event.type == CE_HUDRM) {
3214                         HudElement *e = player->removeHud(event.hudrm.id);
3215
3216                         if (e != NULL)
3217                                 delete(e);
3218                 } else if (event.type == CE_HUDCHANGE) {
3219                         u32 id = event.hudchange.id;
3220                         HudElement *e = player->getHud(id);
3221
3222                         if (e == NULL) {
3223                                 delete event.hudchange.v3fdata;
3224                                 delete event.hudchange.v2fdata;
3225                                 delete event.hudchange.sdata;
3226                                 delete event.hudchange.v2s32data;
3227                                 continue;
3228                         }
3229
3230                         switch (event.hudchange.stat) {
3231                         case HUD_STAT_POS:
3232                                 e->pos = *event.hudchange.v2fdata;
3233                                 break;
3234
3235                         case HUD_STAT_NAME:
3236                                 e->name = *event.hudchange.sdata;
3237                                 break;
3238
3239                         case HUD_STAT_SCALE:
3240                                 e->scale = *event.hudchange.v2fdata;
3241                                 break;
3242
3243                         case HUD_STAT_TEXT:
3244                                 e->text = *event.hudchange.sdata;
3245                                 break;
3246
3247                         case HUD_STAT_NUMBER:
3248                                 e->number = event.hudchange.data;
3249                                 break;
3250
3251                         case HUD_STAT_ITEM:
3252                                 e->item = event.hudchange.data;
3253                                 break;
3254
3255                         case HUD_STAT_DIR:
3256                                 e->dir = event.hudchange.data;
3257                                 break;
3258
3259                         case HUD_STAT_ALIGN:
3260                                 e->align = *event.hudchange.v2fdata;
3261                                 break;
3262
3263                         case HUD_STAT_OFFSET:
3264                                 e->offset = *event.hudchange.v2fdata;
3265                                 break;
3266
3267                         case HUD_STAT_WORLD_POS:
3268                                 e->world_pos = *event.hudchange.v3fdata;
3269                                 break;
3270
3271                         case HUD_STAT_SIZE:
3272                                 e->size = *event.hudchange.v2s32data;
3273                                 break;
3274                         }
3275
3276                         delete event.hudchange.v3fdata;
3277                         delete event.hudchange.v2fdata;
3278                         delete event.hudchange.sdata;
3279                         delete event.hudchange.v2s32data;
3280                 } else if (event.type == CE_SET_SKY) {
3281                         sky->setVisible(false);
3282
3283                         if (skybox) {
3284                                 skybox->remove();
3285                                 skybox = NULL;
3286                         }
3287
3288                         // Handle according to type
3289                         if (*event.set_sky.type == "regular") {
3290                                 sky->setVisible(true);
3291                         } else if (*event.set_sky.type == "skybox" &&
3292                                         event.set_sky.params->size() == 6) {
3293                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3294                                 skybox = smgr->addSkyBoxSceneNode(
3295                                                  texture_src->getTextureForMesh((*event.set_sky.params)[0]),
3296                                                  texture_src->getTextureForMesh((*event.set_sky.params)[1]),
3297                                                  texture_src->getTextureForMesh((*event.set_sky.params)[2]),
3298                                                  texture_src->getTextureForMesh((*event.set_sky.params)[3]),
3299                                                  texture_src->getTextureForMesh((*event.set_sky.params)[4]),
3300                                                  texture_src->getTextureForMesh((*event.set_sky.params)[5]));
3301                         }
3302                         // Handle everything else as plain color
3303                         else {
3304                                 if (*event.set_sky.type != "plain")
3305                                         infostream << "Unknown sky type: "
3306                                                    << (*event.set_sky.type) << std::endl;
3307
3308                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3309                         }
3310
3311                         delete event.set_sky.bgcolor;
3312                         delete event.set_sky.type;
3313                         delete event.set_sky.params;
3314                 } else if (event.type == CE_OVERRIDE_DAY_NIGHT_RATIO) {
3315                         bool enable = event.override_day_night_ratio.do_override;
3316                         u32 value = event.override_day_night_ratio.ratio_f * 1000;
3317                         client->getEnv().setDayNightRatioOverride(enable, value);
3318                 }
3319         }
3320 }
3321
3322
3323 void Game::updateCamera(VolatileRunFlags *flags, u32 busy_time,
3324                 f32 dtime, float time_from_last_punch)
3325 {
3326         LocalPlayer *player = client->getEnv().getLocalPlayer();
3327
3328         /*
3329                 For interaction purposes, get info about the held item
3330                 - What item is it?
3331                 - Is it a usable item?
3332                 - Can it point to liquids?
3333         */
3334         ItemStack playeritem;
3335         {
3336                 InventoryList *mlist = local_inventory->getList("main");
3337
3338                 if (mlist && client->getPlayerItem() < mlist->getSize())
3339                         playeritem = mlist->getItem(client->getPlayerItem());
3340         }
3341
3342         ToolCapabilities playeritem_toolcap =
3343                 playeritem.getToolCapabilities(itemdef_manager);
3344
3345         v3s16 old_camera_offset = camera->getOffset();
3346
3347         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CAMERA_MODE])) {
3348                 GenericCAO *playercao = player->getCAO();
3349
3350                 // If playercao not loaded, don't change camera
3351                 if (playercao == NULL)
3352                         return;
3353
3354                 camera->toggleCameraMode();
3355
3356                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3357                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3358         }
3359
3360         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3361         float tool_reload_ratio = time_from_last_punch / full_punch_interval;
3362
3363         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3364         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio,
3365                       client->getEnv());
3366         camera->step(dtime);
3367
3368         v3f camera_position = camera->getPosition();
3369         v3f camera_direction = camera->getDirection();
3370         f32 camera_fov = camera->getFovMax();
3371         v3s16 camera_offset = camera->getOffset();
3372
3373         flags->camera_offset_changed = (camera_offset != old_camera_offset);
3374
3375         if (!flags->disable_camera_update) {
3376                 client->getEnv().getClientMap().updateCamera(camera_position,
3377                                 camera_direction, camera_fov, camera_offset);
3378
3379                 if (flags->camera_offset_changed) {
3380                         client->updateCameraOffset(camera_offset);
3381                         client->getEnv().updateCameraOffset(camera_offset);
3382
3383                         if (clouds)
3384                                 clouds->updateCameraOffset(camera_offset);
3385                 }
3386         }
3387 }
3388
3389
3390 void Game::updateSound(f32 dtime)
3391 {
3392         // Update sound listener
3393         v3s16 camera_offset = camera->getOffset();
3394         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3395                               v3f(0, 0, 0), // velocity
3396                               camera->getDirection(),
3397                               camera->getCameraNode()->getUpVector());
3398         sound->setListenerGain(g_settings->getFloat("sound_volume"));
3399
3400
3401         //      Update sound maker
3402         soundmaker->step(dtime);
3403
3404         LocalPlayer *player = client->getEnv().getLocalPlayer();
3405
3406         ClientMap &map = client->getEnv().getClientMap();
3407         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
3408         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3409 }
3410
3411
3412 void Game::processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
3413                 GameRunData *runData, f32 dtime, bool show_hud, bool show_debug)
3414 {
3415         LocalPlayer *player = client->getEnv().getLocalPlayer();
3416
3417         ItemStack playeritem;
3418         {
3419                 InventoryList *mlist = local_inventory->getList("main");
3420
3421                 if (mlist && client->getPlayerItem() < mlist->getSize())
3422                         playeritem = mlist->getItem(client->getPlayerItem());
3423         }
3424
3425         const ItemDefinition &playeritem_def =
3426                         playeritem.getDefinition(itemdef_manager);
3427
3428         v3f player_position  = player->getPosition();
3429         v3f camera_position  = camera->getPosition();
3430         v3f camera_direction = camera->getDirection();
3431         v3s16 camera_offset  = camera->getOffset();
3432
3433
3434         /*
3435                 Calculate what block is the crosshair pointing to
3436         */
3437
3438         f32 d = playeritem_def.range; // max. distance
3439         f32 d_hand = itemdef_manager->get("").range;
3440
3441         if (d < 0 && d_hand >= 0)
3442                 d = d_hand;
3443         else if (d < 0)
3444                 d = 4.0;
3445
3446         core::line3d<f32> shootline;
3447
3448         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3449
3450                 shootline = core::line3d<f32>(camera_position,
3451                                                 camera_position + camera_direction * BS * (d + 1));
3452
3453         } else {
3454             // prevent player pointing anything in front-view
3455                 if (camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT)
3456                         shootline = core::line3d<f32>(0, 0, 0, 0, 0, 0);
3457         }
3458
3459 #ifdef HAVE_TOUCHSCREENGUI
3460
3461         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3462                 shootline = g_touchscreengui->getShootline();
3463                 shootline.start += intToFloat(camera_offset, BS);
3464                 shootline.end += intToFloat(camera_offset, BS);
3465         }
3466
3467 #endif
3468
3469         PointedThing pointed = getPointedThing(
3470                         // input
3471                         client, player_position, camera_direction,
3472                         camera_position, shootline, d,
3473                         playeritem_def.liquids_pointable,
3474                         !runData->ldown_for_dig,
3475                         camera_offset,
3476                         // output
3477                         highlight_boxes,
3478                         runData->selected_object);
3479
3480         if (pointed != runData->pointed_old) {
3481                 infostream << "Pointing at " << pointed.dump() << std::endl;
3482
3483                 if (m_cache_enable_node_highlighting) {
3484                         if (pointed.type == POINTEDTHING_NODE) {
3485                                 client->setHighlighted(pointed.node_undersurface, show_hud);
3486                         } else {
3487                                 client->setHighlighted(pointed.node_undersurface, false);
3488                         }
3489                 }
3490         }
3491
3492         /*
3493                 Stop digging when
3494                 - releasing left mouse button
3495                 - pointing away from node
3496         */
3497         if (runData->digging) {
3498                 if (input->getLeftReleased()) {
3499                         infostream << "Left button released"
3500                                    << " (stopped digging)" << std::endl;
3501                         runData->digging = false;
3502                 } else if (pointed != runData->pointed_old) {
3503                         if (pointed.type == POINTEDTHING_NODE
3504                                         && runData->pointed_old.type == POINTEDTHING_NODE
3505                                         && pointed.node_undersurface
3506                                                         == runData->pointed_old.node_undersurface) {
3507                                 // Still pointing to the same node, but a different face.
3508                                 // Don't reset.
3509                         } else {
3510                                 infostream << "Pointing away from node"
3511                                            << " (stopped digging)" << std::endl;
3512                                 runData->digging = false;
3513                         }
3514                 }
3515
3516                 if (!runData->digging) {
3517                         client->interact(1, runData->pointed_old);
3518                         client->setCrack(-1, v3s16(0, 0, 0));
3519                         runData->dig_time = 0.0;
3520                 }
3521         }
3522
3523         if (!runData->digging && runData->ldown_for_dig && !input->getLeftState()) {
3524                 runData->ldown_for_dig = false;
3525         }
3526
3527         runData->left_punch = false;
3528
3529         soundmaker->m_player_leftpunch_sound.name = "";
3530
3531         if (input->getRightState())
3532                 runData->repeat_rightclick_timer += dtime;
3533         else
3534                 runData->repeat_rightclick_timer = 0;
3535
3536         if (playeritem_def.usable && input->getLeftState()) {
3537                 if (input->getLeftClicked())
3538                         client->interact(4, pointed);
3539         } else if (pointed.type == POINTEDTHING_NODE) {
3540                 ToolCapabilities playeritem_toolcap =
3541                                 playeritem.getToolCapabilities(itemdef_manager);
3542                 handlePointingAtNode(runData, pointed, playeritem_def,
3543                                 playeritem_toolcap, dtime);
3544         } else if (pointed.type == POINTEDTHING_OBJECT) {
3545                 handlePointingAtObject(runData, pointed, playeritem,
3546                                 player_position, show_debug);
3547         } else if (input->getLeftState()) {
3548                 // When button is held down in air, show continuous animation
3549                 runData->left_punch = true;
3550         }
3551
3552         runData->pointed_old = pointed;
3553
3554         if (runData->left_punch || input->getLeftClicked())
3555                 camera->setDigging(0); // left click animation
3556
3557         input->resetLeftClicked();
3558         input->resetRightClicked();
3559
3560         input->resetLeftReleased();
3561         input->resetRightReleased();
3562 }
3563
3564
3565 void Game::handlePointingAtNode(GameRunData *runData,
3566                 const PointedThing &pointed, const ItemDefinition &playeritem_def,
3567                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3568 {
3569         v3s16 nodepos = pointed.node_undersurface;
3570         v3s16 neighbourpos = pointed.node_abovesurface;
3571
3572         /*
3573                 Check information text of node
3574         */
3575
3576         ClientMap &map = client->getEnv().getClientMap();
3577         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3578
3579         if (meta) {
3580                 infotext = narrow_to_wide(meta->getString("infotext"));
3581         } else {
3582                 MapNode n = map.getNodeNoEx(nodepos);
3583
3584                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3585                         infotext = L"Unknown node: ";
3586                         infotext += narrow_to_wide(nodedef_manager->get(n).name);
3587                 }
3588         }
3589
3590         if (runData->nodig_delay_timer <= 0.0 && input->getLeftState()
3591                         && client->checkPrivilege("interact")) {
3592                 handleDigging(runData, pointed, nodepos, playeritem_toolcap, dtime);
3593         }
3594
3595         if ((input->getRightClicked() ||
3596                         runData->repeat_rightclick_timer >= m_repeat_right_click_time) &&
3597                         client->checkPrivilege("interact")) {
3598                 runData->repeat_rightclick_timer = 0;
3599                 infostream << "Ground right-clicked" << std::endl;
3600
3601                 if (meta && meta->getString("formspec") != "" && !random_input
3602                                 && !input->isKeyDown(getKeySetting("keymap_sneak"))) {
3603                         infostream << "Launching custom inventory view" << std::endl;
3604
3605                         InventoryLocation inventoryloc;
3606                         inventoryloc.setNodeMeta(nodepos);
3607
3608                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3609                                 &client->getEnv().getClientMap(), nodepos);
3610                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3611
3612                         create_formspec_menu(&current_formspec, client, gamedef,
3613                                              texture_src, device, fs_src, txt_dst, client);
3614
3615                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3616                 } else {
3617                         // Report right click to server
3618
3619                         camera->setDigging(1);  // right click animation (always shown for feedback)
3620
3621                         // If the wielded item has node placement prediction,
3622                         // make that happen
3623                         bool placed = nodePlacementPrediction(*client,
3624                                         playeritem_def,
3625                                         nodepos, neighbourpos);
3626
3627                         if (placed) {
3628                                 // Report to server
3629                                 client->interact(3, pointed);
3630                                 // Read the sound
3631                                 soundmaker->m_player_rightpunch_sound =
3632                                                 playeritem_def.sound_place;
3633                         } else {
3634                                 soundmaker->m_player_rightpunch_sound =
3635                                                 SimpleSoundSpec();
3636                         }
3637
3638                         if (playeritem_def.node_placement_prediction == "" ||
3639                                         nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable)
3640                                 client->interact(3, pointed); // Report to server
3641                 }
3642         }
3643 }
3644
3645
3646 void Game::handlePointingAtObject(GameRunData *runData,
3647                 const PointedThing &pointed,
3648                 const ItemStack &playeritem,
3649                 const v3f &player_position,
3650                 bool show_debug)
3651 {
3652         infotext = narrow_to_wide(runData->selected_object->infoText());
3653
3654         if (infotext == L"" && show_debug) {
3655                 infotext = narrow_to_wide(runData->selected_object->debugInfoText());
3656         }
3657
3658         if (input->getLeftState()) {
3659                 bool do_punch = false;
3660                 bool do_punch_damage = false;
3661
3662                 if (runData->object_hit_delay_timer <= 0.0) {
3663                         do_punch = true;
3664                         do_punch_damage = true;
3665                         runData->object_hit_delay_timer = object_hit_delay;
3666                 }
3667
3668                 if (input->getLeftClicked())
3669                         do_punch = true;
3670
3671                 if (do_punch) {
3672                         infostream << "Left-clicked object" << std::endl;
3673                         runData->left_punch = true;
3674                 }
3675
3676                 if (do_punch_damage) {
3677                         // Report direct punch
3678                         v3f objpos = runData->selected_object->getPosition();
3679                         v3f dir = (objpos - player_position).normalize();
3680
3681                         bool disable_send = runData->selected_object->directReportPunch(
3682                                         dir, &playeritem, runData->time_from_last_punch);
3683                         runData->time_from_last_punch = 0;
3684
3685                         if (!disable_send)
3686                                 client->interact(0, pointed);
3687                 }
3688         } else if (input->getRightClicked()) {
3689                 infostream << "Right-clicked object" << std::endl;
3690                 client->interact(3, pointed);  // place
3691         }
3692 }
3693
3694
3695 void Game::handleDigging(GameRunData *runData,
3696                 const PointedThing &pointed, const v3s16 &nodepos,
3697                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3698 {
3699         if (!runData->digging) {
3700                 infostream << "Started digging" << std::endl;
3701                 client->interact(0, pointed);
3702                 runData->digging = true;
3703                 runData->ldown_for_dig = true;
3704         }
3705
3706         LocalPlayer *player = client->getEnv().getLocalPlayer();
3707         ClientMap &map = client->getEnv().getClientMap();
3708         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3709
3710         // NOTE: Similar piece of code exists on the server side for
3711         // cheat detection.
3712         // Get digging parameters
3713         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3714                         &playeritem_toolcap);
3715
3716         // If can't dig, try hand
3717         if (!params.diggable) {
3718                 const ItemDefinition &hand = itemdef_manager->get("");
3719                 const ToolCapabilities *tp = hand.tool_capabilities;
3720
3721                 if (tp)
3722                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3723         }
3724
3725         if (params.diggable == false) {
3726                 // I guess nobody will wait for this long
3727                 runData->dig_time_complete = 10000000.0;
3728         } else {
3729                 runData->dig_time_complete = params.time;
3730
3731                 if (m_cache_enable_particles) {
3732                         const ContentFeatures &features =
3733                                         client->getNodeDefManager()->get(n);
3734                         client->getParticleManager()->addPunchingParticles(gamedef, smgr,
3735                                         player, nodepos, features.tiles);
3736                 }
3737         }
3738
3739         if (runData->dig_time_complete >= 0.001) {
3740                 runData->dig_index = (float)crack_animation_length
3741                                 * runData->dig_time
3742                                 / runData->dig_time_complete;
3743         } else {
3744                 // This is for torches
3745                 runData->dig_index = crack_animation_length;
3746         }
3747
3748         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3749
3750         if (sound_dig.exists() && params.diggable) {
3751                 if (sound_dig.name == "__group") {
3752                         if (params.main_group != "") {
3753                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3754                                 soundmaker->m_player_leftpunch_sound.name =
3755                                                 std::string("default_dig_") +
3756                                                 params.main_group;
3757                         }
3758                 } else {
3759                         soundmaker->m_player_leftpunch_sound = sound_dig;
3760                 }
3761         }
3762
3763         // Don't show cracks if not diggable
3764         if (runData->dig_time_complete >= 100000.0) {
3765         } else if (runData->dig_index < crack_animation_length) {
3766                 //TimeTaker timer("client.setTempMod");
3767                 //infostream<<"dig_index="<<dig_index<<std::endl;
3768                 client->setCrack(runData->dig_index, nodepos);
3769         } else {
3770                 infostream << "Digging completed" << std::endl;
3771                 client->interact(2, pointed);
3772                 client->setCrack(-1, v3s16(0, 0, 0));
3773                 bool is_valid_position;
3774                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
3775                 if (is_valid_position)
3776                         client->removeNode(nodepos);
3777
3778                 if (m_cache_enable_particles) {
3779                         const ContentFeatures &features =
3780                                 client->getNodeDefManager()->get(wasnode);
3781                         client->getParticleManager()->addDiggingParticles(gamedef, smgr,
3782                                         player, nodepos, features.tiles);
3783                 }
3784
3785                 runData->dig_time = 0;
3786                 runData->digging = false;
3787
3788                 runData->nodig_delay_timer =
3789                                 runData->dig_time_complete / (float)crack_animation_length;
3790
3791                 // We don't want a corresponding delay to
3792                 // very time consuming nodes
3793                 if (runData->nodig_delay_timer > 0.3)
3794                         runData->nodig_delay_timer = 0.3;
3795
3796                 // We want a slight delay to very little
3797                 // time consuming nodes
3798                 const float mindelay = 0.15;
3799
3800                 if (runData->nodig_delay_timer < mindelay)
3801                         runData->nodig_delay_timer = mindelay;
3802
3803                 // Send event to trigger sound
3804                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
3805                 gamedef->event()->put(e);
3806         }
3807
3808         if (runData->dig_time_complete < 100000.0) {
3809                 runData->dig_time += dtime;
3810         } else {
3811                 runData->dig_time = 0;
3812                 client->setCrack(-1, nodepos);
3813         }
3814
3815         camera->setDigging(0);  // left click animation
3816 }
3817
3818
3819 void Game::updateFrame(std::vector<aabb3f> &highlight_boxes,
3820                 ProfilerGraph *graph, RunStats *stats, GameRunData *runData,
3821                 f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam)
3822 {
3823         LocalPlayer *player = client->getEnv().getLocalPlayer();
3824
3825         /*
3826                 Fog range
3827         */
3828
3829         if (draw_control->range_all) {
3830                 runData->fog_range = 100000 * BS;
3831         } else {
3832                 runData->fog_range = draw_control->wanted_range * BS
3833                                 + 0.0 * MAP_BLOCKSIZE * BS;
3834                 runData->fog_range = MYMIN(
3835                                 runData->fog_range,
3836                                 (draw_control->farthest_drawn + 20) * BS);
3837                 runData->fog_range *= 0.9;
3838         }
3839
3840         /*
3841                 Calculate general brightness
3842         */
3843         u32 daynight_ratio = client->getEnv().getDayNightRatio();
3844         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
3845         float direct_brightness;
3846         bool sunlight_seen;
3847
3848         if (g_settings->getBool("free_move")) {
3849                 direct_brightness = time_brightness;
3850                 sunlight_seen = true;
3851         } else {
3852                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
3853                 float old_brightness = sky->getBrightness();
3854                 direct_brightness = client->getEnv().getClientMap()
3855                                 .getBackgroundBrightness(MYMIN(runData->fog_range * 1.2, 60 * BS),
3856                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
3857                                     / 255.0;
3858         }
3859
3860         float time_of_day = runData->time_of_day;
3861         float time_of_day_smooth = runData->time_of_day_smooth;
3862
3863         time_of_day = client->getEnv().getTimeOfDayF();
3864
3865         const float maxsm = 0.05;
3866         const float todsm = 0.05;
3867
3868         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
3869                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3870                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3871                 time_of_day_smooth = time_of_day;
3872
3873         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
3874                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3875                                 + (time_of_day + 1.0) * todsm;
3876         else
3877                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3878                                 + time_of_day * todsm;
3879
3880         runData->time_of_day = time_of_day;
3881         runData->time_of_day_smooth = time_of_day_smooth;
3882
3883         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3884                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
3885                         player->getPitch());
3886
3887         /*
3888                 Update clouds
3889         */
3890         if (clouds) {
3891                 v3f player_position = player->getPosition();
3892                 if (sky->getCloudsVisible()) {
3893                         clouds->setVisible(true);
3894                         clouds->step(dtime);
3895                         clouds->update(v2f(player_position.X, player_position.Z),
3896                                        sky->getCloudColor());
3897                 } else {
3898                         clouds->setVisible(false);
3899                 }
3900         }
3901
3902         /*
3903                 Update particles
3904         */
3905         client->getParticleManager()->step(dtime);
3906
3907         /*
3908                 Fog
3909         */
3910
3911         if (m_cache_enable_fog && !flags.force_fog_off) {
3912                 driver->setFog(
3913                                 sky->getBgColor(),
3914                                 video::EFT_FOG_LINEAR,
3915                                 runData->fog_range * 0.4,
3916                                 runData->fog_range * 1.0,
3917                                 0.01,
3918                                 false, // pixel fog
3919                                 false // range fog
3920                 );
3921         } else {
3922                 driver->setFog(
3923                                 sky->getBgColor(),
3924                                 video::EFT_FOG_LINEAR,
3925                                 100000 * BS,
3926                                 110000 * BS,
3927                                 0.01,
3928                                 false, // pixel fog
3929                                 false // range fog
3930                 );
3931         }
3932
3933         /*
3934                 Get chat messages from client
3935         */
3936
3937         v2u32 screensize = driver->getScreenSize();
3938
3939         updateChat(*client, dtime, flags.show_debug, screensize,
3940                         flags.show_chat, runData->profiler_current_page,
3941                         *chat_backend, guitext_chat);
3942
3943         /*
3944                 Inventory
3945         */
3946
3947         if (client->getPlayerItem() != runData->new_playeritem)
3948                 client->selectPlayerItem(runData->new_playeritem);
3949
3950         // Update local inventory if it has changed
3951         if (client->getLocalInventoryUpdated()) {
3952                 //infostream<<"Updating local inventory"<<std::endl;
3953                 client->getLocalInventory(*local_inventory);
3954                 runData->update_wielded_item_trigger = true;
3955         }
3956
3957         if (runData->update_wielded_item_trigger) {
3958                 // Update wielded tool
3959                 InventoryList *mlist = local_inventory->getList("main");
3960
3961                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
3962                         ItemStack item = mlist->getItem(client->getPlayerItem());
3963                         camera->wield(item);
3964                 }
3965                 runData->update_wielded_item_trigger = false;
3966         }
3967
3968         /*
3969                 Update block draw list every 200ms or when camera direction has
3970                 changed much
3971         */
3972         runData->update_draw_list_timer += dtime;
3973
3974         v3f camera_direction = camera->getDirection();
3975         if (runData->update_draw_list_timer >= 0.2
3976                         || runData->update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
3977                         || flags.camera_offset_changed) {
3978                 runData->update_draw_list_timer = 0;
3979                 client->getEnv().getClientMap().updateDrawList(driver);
3980                 runData->update_draw_list_last_cam_dir = camera_direction;
3981         }
3982
3983         updateGui(&runData->statustext_time, *stats, *runData, dtime, flags, cam);
3984
3985         /*
3986            make sure menu is on top
3987            1. Delete formspec menu reference if menu was removed
3988            2. Else, make sure formspec menu is on top
3989         */
3990         if (current_formspec) {
3991                 if (current_formspec->getReferenceCount() == 1) {
3992                         current_formspec->drop();
3993                         current_formspec = NULL;
3994                 } else if (!noMenuActive()) {
3995                         guiroot->bringToFront(current_formspec);
3996                 }
3997         }
3998
3999         /*
4000                 Drawing begins
4001         */
4002
4003         video::SColor skycolor = sky->getSkyColor();
4004
4005         TimeTaker tt_draw("mainloop: draw");
4006         {
4007                 TimeTaker timer("beginScene");
4008                 driver->beginScene(true, true, skycolor);
4009                 stats->beginscenetime = timer.stop(true);
4010         }
4011
4012         draw_scene(driver, smgr, *camera, *client, player, *hud, *mapper,
4013                         guienv, highlight_boxes, screensize, skycolor, flags.show_hud,
4014                         flags.show_minimap);
4015
4016         /*
4017                 Profiler graph
4018         */
4019         if (flags.show_profiler_graph)
4020                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4021
4022         /*
4023                 Damage flash
4024         */
4025         if (runData->damage_flash > 0.0) {
4026                 video::SColor color(std::min(runData->damage_flash, 180.0f),
4027                                 180,
4028                                 0,
4029                                 0);
4030                 driver->draw2DRectangle(color,
4031                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4032                                         NULL);
4033
4034                 runData->damage_flash -= 100.0 * dtime;
4035         }
4036
4037         /*
4038                 Damage camera tilt
4039         */
4040         if (player->hurt_tilt_timer > 0.0) {
4041                 player->hurt_tilt_timer -= dtime * 5;
4042
4043                 if (player->hurt_tilt_timer < 0)
4044                         player->hurt_tilt_strength = 0;
4045         }
4046
4047         /*
4048                 Update minimap pos
4049         */
4050         if (flags.show_minimap && flags.show_hud) {
4051                 mapper->setPos(floatToInt(player->getPosition(), BS));
4052         }
4053
4054         /*
4055                 End scene
4056         */
4057         {
4058                 TimeTaker timer("endScene");
4059                 driver->endScene();
4060                 stats->endscenetime = timer.stop(true);
4061         }
4062
4063         stats->drawtime = tt_draw.stop(true);
4064         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4065 }
4066
4067
4068 inline static const char *yawToDirectionString(int yaw)
4069 {
4070         // NOTE: TODO: This can be done mathematically without the else/else-if
4071         // cascade.
4072
4073         const char *player_direction;
4074
4075         yaw = wrapDegrees_0_360(yaw);
4076
4077         if (yaw >= 45 && yaw < 135)
4078                 player_direction = "West [-X]";
4079         else if (yaw >= 135 && yaw < 225)
4080                 player_direction = "South [-Z]";
4081         else if (yaw >= 225 && yaw < 315)
4082                 player_direction = "East [+X]";
4083         else
4084                 player_direction = "North [+Z]";
4085
4086         return player_direction;
4087 }
4088
4089
4090 void Game::updateGui(float *statustext_time, const RunStats &stats,
4091                 const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
4092                 const CameraOrientation &cam)
4093 {
4094         v2u32 screensize = driver->getScreenSize();
4095         LocalPlayer *player = client->getEnv().getLocalPlayer();
4096         v3f player_position = player->getPosition();
4097
4098         if (flags.show_debug) {
4099                 static float drawtime_avg = 0;
4100                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4101
4102                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4103                 //s32 fps = driver->getFPS();
4104
4105                 std::ostringstream os(std::ios_base::binary);
4106                 os << std::fixed
4107                    << PROJECT_NAME_C " " << g_version_hash
4108                    << " FPS = " << fps
4109                    << " (R: range_all=" << draw_control->range_all << ")"
4110                    << std::setprecision(0)
4111                    << " drawtime = " << drawtime_avg
4112                    << std::setprecision(1)
4113                    << ", dtime_jitter = "
4114                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
4115                    << std::setprecision(1)
4116                    << ", v_range = " << draw_control->wanted_range
4117                    << std::setprecision(3)
4118                    << ", RTT = " << client->getRTT();
4119                 guitext->setText(narrow_to_wide(os.str()).c_str());
4120                 guitext->setVisible(true);
4121         } else if (flags.show_hud || flags.show_chat) {
4122                 std::ostringstream os(std::ios_base::binary);
4123                 os << PROJECT_NAME_C " " << g_version_hash;
4124                 guitext->setText(narrow_to_wide(os.str()).c_str());
4125                 guitext->setVisible(true);
4126         } else {
4127                 guitext->setVisible(false);
4128         }
4129
4130         if (guitext->isVisible()) {
4131                 core::rect<s32> rect(
4132                                 5,              5,
4133                                 screensize.X,   5 + g_fontengine->getTextHeight()
4134                 );
4135                 guitext->setRelativePosition(rect);
4136         }
4137
4138         if (flags.show_debug) {
4139                 std::ostringstream os(std::ios_base::binary);
4140                 os << std::setprecision(1) << std::fixed
4141                    << "(" << (player_position.X / BS)
4142                    << ", " << (player_position.Y / BS)
4143                    << ", " << (player_position.Z / BS)
4144                    << ") (yaw=" << (wrapDegrees_0_360(cam.camera_yaw))
4145                    << " " << yawToDirectionString(cam.camera_yaw)
4146                    << ") (seed = " << ((u64)client->getMapSeed())
4147                    << ")";
4148
4149                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4150                         ClientMap &map = client->getEnv().getClientMap();
4151                         const INodeDefManager *nodedef = client->getNodeDefManager();
4152                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4153                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4154                                 const ContentFeatures &features = nodedef->get(n);
4155                                 os << " (pointing_at = " << nodedef->get(n).name
4156                                    << " - " << features.tiledef[0].name.c_str()
4157                                    << ")";
4158                         }
4159                 }
4160
4161                 guitext2->setText(narrow_to_wide(os.str()).c_str());
4162                 guitext2->setVisible(true);
4163
4164                 core::rect<s32> rect(
4165                                 5,             5 + g_fontengine->getTextHeight(),
4166                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4167                 );
4168                 guitext2->setRelativePosition(rect);
4169         } else {
4170                 guitext2->setVisible(false);
4171         }
4172
4173         guitext_info->setText(infotext.c_str());
4174         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4175
4176         float statustext_time_max = 1.5;
4177
4178         if (!statustext.empty()) {
4179                 *statustext_time += dtime;
4180
4181                 if (*statustext_time >= statustext_time_max) {
4182                         statustext = L"";
4183                         *statustext_time = 0;
4184                 }
4185         }
4186
4187         guitext_status->setText(statustext.c_str());
4188         guitext_status->setVisible(!statustext.empty());
4189
4190         if (!statustext.empty()) {
4191                 s32 status_width  = guitext_status->getTextWidth();
4192                 s32 status_height = guitext_status->getTextHeight();
4193                 s32 status_y = screensize.Y - 150;
4194                 s32 status_x = (screensize.X - status_width) / 2;
4195                 core::rect<s32> rect(
4196                                 status_x , status_y - status_height,
4197                                 status_x + status_width, status_y
4198                 );
4199                 guitext_status->setRelativePosition(rect);
4200
4201                 // Fade out
4202                 video::SColor initial_color(255, 0, 0, 0);
4203
4204                 if (guienv->getSkin())
4205                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4206
4207                 video::SColor final_color = initial_color;
4208                 final_color.setAlpha(0);
4209                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4210                                 initial_color, final_color,
4211                                 pow(*statustext_time / statustext_time_max, 2.0f));
4212                 guitext_status->setOverrideColor(fade_color);
4213                 guitext_status->enableOverrideColor(true);
4214         }
4215 }
4216
4217
4218 /* Log times and stuff for visualization */
4219 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4220 {
4221         Profiler::GraphValues values;
4222         g_profiler->graphGet(values);
4223         graph->put(values);
4224 }
4225
4226
4227
4228 /****************************************************************************
4229  Misc
4230  ****************************************************************************/
4231
4232 /* On some computers framerate doesn't seem to be automatically limited
4233  */
4234 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4235 {
4236         // not using getRealTime is necessary for wine
4237         device->getTimer()->tick(); // Maker sure device time is up-to-date
4238         u32 time = device->getTimer()->getTime();
4239         u32 last_time = fps_timings->last_time;
4240
4241         if (time > last_time)  // Make sure time hasn't overflowed
4242                 fps_timings->busy_time = time - last_time;
4243         else
4244                 fps_timings->busy_time = 0;
4245
4246         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4247                         ? g_settings->getFloat("pause_fps_max")
4248                         : g_settings->getFloat("fps_max"));
4249
4250         if (fps_timings->busy_time < frametime_min) {
4251                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4252                 device->sleep(fps_timings->sleep_time);
4253         } else {
4254                 fps_timings->sleep_time = 0;
4255         }
4256
4257         /* Get the new value of the device timer. Note that device->sleep() may
4258          * not sleep for the entire requested time as sleep may be interrupted and
4259          * therefore it is arguably more accurate to get the new time from the
4260          * device rather than calculating it by adding sleep_time to time.
4261          */
4262
4263         device->getTimer()->tick(); // Update device timer
4264         time = device->getTimer()->getTime();
4265
4266         if (time > last_time)  // Make sure last_time hasn't overflowed
4267                 *dtime = (time - last_time) / 1000.0;
4268         else
4269                 *dtime = 0;
4270
4271         fps_timings->last_time = time;
4272 }
4273
4274 // Note: This will free (using delete[])! \p msg. If you want to use it later,
4275 // pass a copy of it to this function
4276 // Note: \p msg must be allocated using new (not malloc())
4277 void Game::showOverlayMessage(const wchar_t *msg, float dtime,
4278                 int percent, bool draw_clouds)
4279 {
4280         draw_load_screen(msg, device, guienv, dtime, percent, draw_clouds);
4281         delete[] msg;
4282 }
4283
4284
4285 /****************************************************************************/
4286 /****************************************************************************
4287  Shutdown / cleanup
4288  ****************************************************************************/
4289 /****************************************************************************/
4290
4291 void Game::extendedResourceCleanup()
4292 {
4293         // Extended resource accounting
4294         infostream << "Irrlicht resources after cleanup:" << std::endl;
4295         infostream << "\tRemaining meshes   : "
4296                    << device->getSceneManager()->getMeshCache()->getMeshCount() << std::endl;
4297         infostream << "\tRemaining textures : "
4298                    << driver->getTextureCount() << std::endl;
4299
4300         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4301                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4302                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4303                            << std::endl;
4304         }
4305
4306         clearTextureNameCache();
4307         infostream << "\tRemaining materials: "
4308                << driver-> getMaterialRendererCount()
4309                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4310 }
4311
4312
4313 /****************************************************************************/
4314 /****************************************************************************
4315  extern function for launching the game
4316  ****************************************************************************/
4317 /****************************************************************************/
4318
4319 void the_game(bool *kill,
4320                 bool random_input,
4321                 InputHandler *input,
4322                 IrrlichtDevice *device,
4323
4324                 const std::string &map_dir,
4325                 const std::string &playername,
4326                 const std::string &password,
4327                 const std::string &address,         // If empty local server is created
4328                 u16 port,
4329
4330                 std::string &error_message,
4331                 ChatBackend &chat_backend,
4332                 const SubgameSpec &gamespec,        // Used for local game
4333                 bool simple_singleplayer_mode)
4334 {
4335         Game game;
4336
4337         /* Make a copy of the server address because if a local singleplayer server
4338          * is created then this is updated and we don't want to change the value
4339          * passed to us by the calling function
4340          */
4341         std::string server_address = address;
4342
4343         try {
4344
4345                 if (game.startup(kill, random_input, input, device, map_dir,
4346                                 playername, password, &server_address, port,
4347                                 error_message, &chat_backend, gamespec,
4348                                 simple_singleplayer_mode)) {
4349                         game.run();
4350                         game.shutdown();
4351                 }
4352
4353         } catch (SerializationError &e) {
4354                 error_message = std::string("A serialization error occurred:\n")
4355                                 + e.what() + "\n\nThe server is probably "
4356                                 " running a different version of " PROJECT_NAME_C ".";
4357                 errorstream << error_message << std::endl;
4358         } catch (ServerError &e) {
4359                 error_message = e.what();
4360                 errorstream << "ServerError: " << error_message << std::endl;
4361         } catch (ModError &e) {
4362                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4363                 errorstream << "ModError: " << error_message << std::endl;
4364         }
4365 }
4366