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 "mainmenumanager.h"
  44 #include "mapblock.h"
  45 #include "nodedef.h"         // Needed for determining pointing to nodes
  46 #include "nodemetadata.h"
  47 #include "particles.h"
  48 #include "profiler.h"
  49 #include "quicktune_shortcutter.h"
  50 #include "server.h"
  51 #include "settings.h"
  52 #include "shader.h"          // For ShaderSource
  53 #include "sky.h"
  54 #include "subgame.h"
  55 #include "tool.h"
  56 #include "util/directiontables.h"
  57 #include "util/pointedthing.h"
  58 #include "version.h"
  59 #include "minimap.h"
  60
  61 #include "sound.h"
  62
  63 #if USE_SOUND
  64         #include "sound_openal.h"
  65 #endif
  66
  67 #ifdef HAVE_TOUCHSCREENGUI
  68         #include "touchscreengui.h"
  69 #endif
  70
  71 extern Settings *g_settings;
  72 extern Profiler *g_profiler;
  73
  74 /*
  75         Text input system
  76 */
  77
  78 struct TextDestNodeMetadata : public TextDest {
  79         TextDestNodeMetadata(v3s16 p, Client *client)
  80         {
  81                 m_p = p;
  82                 m_client = client;
  83         }
  84         // This is deprecated I guess? -celeron55
  85         void gotText(std::wstring text)
  86         {
  87                 std::string ntext = wide_to_utf8(text);
  88                 infostream << "Submitting 'text' field of node at (" << m_p.X << ","
  89                            << m_p.Y << "," << m_p.Z << "): " << ntext << std::endl;
  90                 StringMap fields;
  91                 fields["text"] = ntext;
  92                 m_client->sendNodemetaFields(m_p, "", fields);
  93         }
  94         void gotText(const StringMap &fields)
  95         {
  96                 m_client->sendNodemetaFields(m_p, "", fields);
  97         }
  98
  99         v3s16 m_p;
 100         Client *m_client;
 101 };
 102
 103 struct TextDestPlayerInventory : public TextDest {
 104         TextDestPlayerInventory(Client *client)
 105         {
 106                 m_client = client;
 107                 m_formname = "";
 108         }
 109         TextDestPlayerInventory(Client *client, std::string formname)
 110         {
 111                 m_client = client;
 112                 m_formname = formname;
 113         }
 114         void gotText(const StringMap &fields)
 115         {
 116                 m_client->sendInventoryFields(m_formname, fields);
 117         }
 118
 119         Client *m_client;
 120 };
 121
 122 struct LocalFormspecHandler : public TextDest {
 123         LocalFormspecHandler();
 124         LocalFormspecHandler(std::string formname) :
 125                 m_client(0)
 126         {
 127                 m_formname = formname;
 128         }
 129
 130         LocalFormspecHandler(std::string formname, Client *client) :
 131                 m_client(client)
 132         {
 133                 m_formname = formname;
 134         }
 135
 136         void gotText(std::wstring message)
 137         {
 138                 errorstream << "LocalFormspecHandler::gotText old style message received" << std::endl;
 139         }
 140
 141         void gotText(const StringMap &fields)
 142         {
 143                 if (m_formname == "MT_PAUSE_MENU") {
 144                         if (fields.find("btn_sound") != fields.end()) {
 145                                 g_gamecallback->changeVolume();
 146                                 return;
 147                         }
 148
 149                         if (fields.find("btn_key_config") != fields.end()) {
 150                                 g_gamecallback->keyConfig();
 151                                 return;
 152                         }
 153
 154                         if (fields.find("btn_exit_menu") != fields.end()) {
 155                                 g_gamecallback->disconnect();
 156                                 return;
 157                         }
 158
 159                         if (fields.find("btn_exit_os") != fields.end()) {
 160                                 g_gamecallback->exitToOS();
 161                                 return;
 162                         }
 163
 164                         if (fields.find("btn_change_password") != fields.end()) {
 165                                 g_gamecallback->changePassword();
 166                                 return;
 167                         }
 168
 169                         if (fields.find("quit") != fields.end()) {
 170                                 return;
 171                         }
 172
 173                         if (fields.find("btn_continue") != fields.end()) {
 174                                 return;
 175                         }
 176                 }
 177
 178                 if (m_formname == "MT_CHAT_MENU") {
 179                         assert(m_client != 0);
 180
 181                         if ((fields.find("btn_send") != fields.end()) ||
 182                                         (fields.find("quit") != fields.end())) {
 183                                 StringMap::const_iterator it = fields.find("f_text");
 184                                 if (it != fields.end())
 185                                         m_client->typeChatMessage(utf8_to_wide(it->second));
 186
 187                                 return;
 188                         }
 189                 }
 190
 191                 if (m_formname == "MT_DEATH_SCREEN") {
 192                         assert(m_client != 0);
 193
 194                         if ((fields.find("btn_respawn") != fields.end())) {
 195                                 m_client->sendRespawn();
 196                                 return;
 197                         }
 198
 199                         if (fields.find("quit") != fields.end()) {
 200                                 m_client->sendRespawn();
 201                                 return;
 202                         }
 203                 }
 204
 205                 // don't show error message for unhandled cursor keys
 206                 if ((fields.find("key_up") != fields.end()) ||
 207                                 (fields.find("key_down") != fields.end()) ||
 208                                 (fields.find("key_left") != fields.end()) ||
 209                                 (fields.find("key_right") != fields.end())) {
 210                         return;
 211                 }
 212
 213                 errorstream << "LocalFormspecHandler::gotText unhandled >"
 214                         << m_formname << "< event" << std::endl;
 215
 216                 int i = 0;
 217                 StringMap::const_iterator it;
 218                 for (it = fields.begin(); it != fields.end(); ++it) {
 219                         errorstream << "\t" << i << ": " << it->first
 220                                 << "=" << it->second << std::endl;
 221                         i++;
 222                 }
 223         }
 224
 225         Client *m_client;
 226 };
 227
 228 /* Form update callback */
 229
 230 class NodeMetadataFormSource: public IFormSource
 231 {
 232 public:
 233         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 234                 m_map(map),
 235                 m_p(p)
 236         {
 237         }
 238         std::string getForm()
 239         {
 240                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 241
 242                 if (!meta)
 243                         return "";
 244
 245                 return meta->getString("formspec");
 246         }
 247         std::string resolveText(std::string str)
 248         {
 249                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 250
 251                 if (!meta)
 252                         return str;
 253
 254                 return meta->resolveString(str);
 255         }
 256
 257         ClientMap *m_map;
 258         v3s16 m_p;
 259 };
 260
 261 class PlayerInventoryFormSource: public IFormSource
 262 {
 263 public:
 264         PlayerInventoryFormSource(Client *client):
 265                 m_client(client)
 266         {
 267         }
 268         std::string getForm()
 269         {
 270                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 271                 return player->inventory_formspec;
 272         }
 273
 274         Client *m_client;
 275 };
 276
 277 /*
 278         Check if a node is pointable
 279 */
 280 inline bool isPointableNode(const MapNode &n,
 281                             Client *client, bool liquids_pointable)
 282 {
 283         const ContentFeatures &features = client->getNodeDefManager()->get(n);
 284         return features.pointable ||
 285                (liquids_pointable && features.isLiquid());
 286 }
 287
 288 /*
 289         Find what the player is pointing at
 290 */
 291 PointedThing getPointedThing(Client *client, v3f player_position,
 292                 v3f camera_direction, v3f camera_position, core::line3d<f32> shootline,
 293                 f32 d, bool liquids_pointable, bool look_for_object, v3s16 camera_offset,
 294                 std::vector<aabb3f> &hilightboxes, ClientActiveObject *&selected_object)
 295 {
 296         PointedThing result;
 297
 298         hilightboxes.clear();
 299         selected_object = NULL;
 300
 301         INodeDefManager *nodedef = client->getNodeDefManager();
 302         ClientMap &map = client->getEnv().getClientMap();
 303
 304         f32 mindistance = BS * 1001;
 305
 306         // First try to find a pointed at active object
 307         if (look_for_object) {
 308                 selected_object = client->getSelectedActiveObject(d * BS,
 309                                   camera_position, shootline);
 310
 311                 if (selected_object != NULL) {
 312                         if (selected_object->doShowSelectionBox()) {
 313                                 aabb3f *selection_box = selected_object->getSelectionBox();
 314                                 // Box should exist because object was
 315                                 // returned in the first place
 316                                 assert(selection_box);
 317
 318                                 v3f pos = selected_object->getPosition();
 319                                 hilightboxes.push_back(aabb3f(
 320                                                                selection_box->MinEdge + pos - intToFloat(camera_offset, BS),
 321                                                                selection_box->MaxEdge + pos - intToFloat(camera_offset, BS)));
 322                         }
 323
 324                         mindistance = (selected_object->getPosition() - camera_position).getLength();
 325
 326                         result.type = POINTEDTHING_OBJECT;
 327                         result.object_id = selected_object->getId();
 328                 }
 329         }
 330
 331         // That didn't work, try to find a pointed at node
 332
 333
 334         v3s16 pos_i = floatToInt(player_position, BS);
 335
 336         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 337                         <<std::endl;*/
 338
 339         s16 a = d;
 340         s16 ystart = pos_i.Y + 0 - (camera_direction.Y < 0 ? a : 1);
 341         s16 zstart = pos_i.Z - (camera_direction.Z < 0 ? a : 1);
 342         s16 xstart = pos_i.X - (camera_direction.X < 0 ? a : 1);
 343         s16 yend = pos_i.Y + 1 + (camera_direction.Y > 0 ? a : 1);
 344         s16 zend = pos_i.Z + (camera_direction.Z > 0 ? a : 1);
 345         s16 xend = pos_i.X + (camera_direction.X > 0 ? a : 1);
 346
 347         // Prevent signed number overflow
 348         if (yend == 32767)
 349                 yend = 32766;
 350
 351         if (zend == 32767)
 352                 zend = 32766;
 353
 354         if (xend == 32767)
 355                 xend = 32766;
 356
 357         for (s16 y = ystart; y <= yend; y++)
 358                 for (s16 z = zstart; z <= zend; z++)
 359                         for (s16 x = xstart; x <= xend; x++) {
 360                                 MapNode n;
 361                                 bool is_valid_position;
 362
 363                                 n = map.getNodeNoEx(v3s16(x, y, z), &is_valid_position);
 364                                 if (!is_valid_position)
 365                                         continue;
 366
 367                                 if (!isPointableNode(n, client, liquids_pointable))
 368                                         continue;
 369
 370                                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
 371
 372                                 v3s16 np(x, y, z);
 373                                 v3f npf = intToFloat(np, BS);
 374
 375                                 for (std::vector<aabb3f>::const_iterator
 376                                                 i = boxes.begin();
 377                                                 i != boxes.end(); ++i) {
 378                                         aabb3f box = *i;
 379                                         box.MinEdge += npf;
 380                                         box.MaxEdge += npf;
 381
 382                                         for (u16 j = 0; j < 6; j++) {
 383                                                 v3s16 facedir = g_6dirs[j];
 384                                                 aabb3f facebox = box;
 385
 386                                                 f32 d = 0.001 * BS;
 387
 388                                                 if (facedir.X > 0)
 389                                                         facebox.MinEdge.X = facebox.MaxEdge.X - d;
 390                                                 else if (facedir.X < 0)
 391                                                         facebox.MaxEdge.X = facebox.MinEdge.X + d;
 392                                                 else if (facedir.Y > 0)
 393                                                         facebox.MinEdge.Y = facebox.MaxEdge.Y - d;
 394                                                 else if (facedir.Y < 0)
 395                                                         facebox.MaxEdge.Y = facebox.MinEdge.Y + d;
 396                                                 else if (facedir.Z > 0)
 397                                                         facebox.MinEdge.Z = facebox.MaxEdge.Z - d;
 398                                                 else if (facedir.Z < 0)
 399                                                         facebox.MaxEdge.Z = facebox.MinEdge.Z + d;
 400
 401                                                 v3f centerpoint = facebox.getCenter();
 402                                                 f32 distance = (centerpoint - camera_position).getLength();
 403
 404                                                 if (distance >= mindistance)
 405                                                         continue;
 406
 407                                                 if (!facebox.intersectsWithLine(shootline))
 408                                                         continue;
 409
 410                                                 v3s16 np_above = np + facedir;
 411
 412                                                 result.type = POINTEDTHING_NODE;
 413                                                 result.node_undersurface = np;
 414                                                 result.node_abovesurface = np_above;
 415                                                 mindistance = distance;
 416
 417                                                 hilightboxes.clear();
 418
 419                                                 if (!g_settings->getBool("enable_node_highlighting")) {
 420                                                         for (std::vector<aabb3f>::const_iterator
 421                                                                         i2 = boxes.begin();
 422                                                                         i2 != boxes.end(); ++i2) {
 423                                                                 aabb3f box = *i2;
 424                                                                 box.MinEdge += npf + v3f(-d, -d, -d) - intToFloat(camera_offset, BS);
 425                                                                 box.MaxEdge += npf + v3f(d, d, d) - intToFloat(camera_offset, BS);
 426                                                                 hilightboxes.push_back(box);
 427                                                         }
 428                                                 }
 429                                         }
 430                                 }
 431                         } // for coords
 432
 433         return result;
 434 }
 435
 436 /* Profiler display */
 437
 438 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler, FontEngine *fe,
 439                 u32 show_profiler, u32 show_profiler_max, s32 screen_height)
 440 {
 441         if (show_profiler == 0) {
 442                 guitext_profiler->setVisible(false);
 443         } else {
 444
 445                 std::ostringstream os(std::ios_base::binary);
 446                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 447                 std::wstring text = utf8_to_wide(os.str());
 448                 guitext_profiler->setText(text.c_str());
 449                 guitext_profiler->setVisible(true);
 450
 451                 s32 w = fe->getTextWidth(text.c_str());
 452
 453                 if (w < 400)
 454                         w = 400;
 455
 456                 unsigned text_height = fe->getTextHeight();
 457
 458                 core::position2di upper_left, lower_right;
 459
 460                 upper_left.X  = 6;
 461                 upper_left.Y  = (text_height + 5) * 2;
 462                 lower_right.X = 12 + w;
 463                 lower_right.Y = upper_left.Y + (text_height + 1) * MAX_PROFILER_TEXT_ROWS;
 464
 465                 if (lower_right.Y > screen_height * 2 / 3)
 466                         lower_right.Y = screen_height * 2 / 3;
 467
 468                 core::rect<s32> rect(upper_left, lower_right);
 469
 470                 guitext_profiler->setRelativePosition(rect);
 471                 guitext_profiler->setVisible(true);
 472         }
 473 }
 474
 475 class ProfilerGraph
 476 {
 477 private:
 478         struct Piece {
 479                 Profiler::GraphValues values;
 480         };
 481         struct Meta {
 482                 float min;
 483                 float max;
 484                 video::SColor color;
 485                 Meta(float initial = 0,
 486                         video::SColor color = video::SColor(255, 255, 255, 255)):
 487                         min(initial),
 488                         max(initial),
 489                         color(color)
 490                 {}
 491         };
 492         std::deque<Piece> m_log;
 493 public:
 494         u32 m_log_max_size;
 495
 496         ProfilerGraph():
 497                 m_log_max_size(200)
 498         {}
 499
 500         void put(const Profiler::GraphValues &values)
 501         {
 502                 Piece piece;
 503                 piece.values = values;
 504                 m_log.push_back(piece);
 505
 506                 while (m_log.size() > m_log_max_size)
 507                         m_log.erase(m_log.begin());
 508         }
 509
 510         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 511                   gui::IGUIFont *font) const
 512         {
 513                 std::map<std::string, Meta> m_meta;
 514
 515                 for (std::deque<Piece>::const_iterator k = m_log.begin();
 516                                 k != m_log.end(); ++k) {
 517                         const Piece &piece = *k;
 518
 519                         for (Profiler::GraphValues::const_iterator i = piece.values.begin();
 520                                         i != piece.values.end(); ++i) {
 521                                 const std::string &id = i->first;
 522                                 const float &value = i->second;
 523                                 std::map<std::string, Meta>::iterator j =
 524                                         m_meta.find(id);
 525
 526                                 if (j == m_meta.end()) {
 527                                         m_meta[id] = Meta(value);
 528                                         continue;
 529                                 }
 530
 531                                 if (value < j->second.min)
 532                                         j->second.min = value;
 533
 534                                 if (value > j->second.max)
 535                                         j->second.max = value;
 536                         }
 537                 }
 538
 539                 // Assign colors
 540                 static const video::SColor usable_colors[] = {
 541                         video::SColor(255, 255, 100, 100),
 542                         video::SColor(255, 90, 225, 90),
 543                         video::SColor(255, 100, 100, 255),
 544                         video::SColor(255, 255, 150, 50),
 545                         video::SColor(255, 220, 220, 100)
 546                 };
 547                 static const u32 usable_colors_count =
 548                         sizeof(usable_colors) / sizeof(*usable_colors);
 549                 u32 next_color_i = 0;
 550
 551                 for (std::map<std::string, Meta>::iterator i = m_meta.begin();
 552                                 i != m_meta.end(); ++i) {
 553                         Meta &meta = i->second;
 554                         video::SColor color(255, 200, 200, 200);
 555
 556                         if (next_color_i < usable_colors_count)
 557                                 color = usable_colors[next_color_i++];
 558
 559                         meta.color = color;
 560                 }
 561
 562                 s32 graphh = 50;
 563                 s32 textx = x_left + m_log_max_size + 15;
 564                 s32 textx2 = textx + 200 - 15;
 565                 s32 meta_i = 0;
 566
 567                 for (std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 568                                 i != m_meta.end(); ++i) {
 569                         const std::string &id = i->first;
 570                         const Meta &meta = i->second;
 571                         s32 x = x_left;
 572                         s32 y = y_bottom - meta_i * 50;
 573                         float show_min = meta.min;
 574                         float show_max = meta.max;
 575
 576                         if (show_min >= -0.0001 && show_max >= -0.0001) {
 577                                 if (show_min <= show_max * 0.5)
 578                                         show_min = 0;
 579                         }
 580
 581                         s32 texth = 15;
 582                         char buf[10];
 583                         snprintf(buf, 10, "%.3g", show_max);
 584                         font->draw(utf8_to_wide(buf).c_str(),
 585                                         core::rect<s32>(textx, y - graphh,
 586                                                    textx2, y - graphh + texth),
 587                                         meta.color);
 588                         snprintf(buf, 10, "%.3g", show_min);
 589                         font->draw(utf8_to_wide(buf).c_str(),
 590                                         core::rect<s32>(textx, y - texth,
 591                                                    textx2, y),
 592                                         meta.color);
 593                         font->draw(utf8_to_wide(id).c_str(),
 594                                         core::rect<s32>(textx, y - graphh / 2 - texth / 2,
 595                                                    textx2, y - graphh / 2 + texth / 2),
 596                                         meta.color);
 597                         s32 graph1y = y;
 598                         s32 graph1h = graphh;
 599                         bool relativegraph = (show_min != 0 && show_min != show_max);
 600                         float lastscaledvalue = 0.0;
 601                         bool lastscaledvalue_exists = false;
 602
 603                         for (std::deque<Piece>::const_iterator j = m_log.begin();
 604                                         j != m_log.end(); ++j) {
 605                                 const Piece &piece = *j;
 606                                 float value = 0;
 607                                 bool value_exists = false;
 608                                 Profiler::GraphValues::const_iterator k =
 609                                         piece.values.find(id);
 610
 611                                 if (k != piece.values.end()) {
 612                                         value = k->second;
 613                                         value_exists = true;
 614                                 }
 615
 616                                 if (!value_exists) {
 617                                         x++;
 618                                         lastscaledvalue_exists = false;
 619                                         continue;
 620                                 }
 621
 622                                 float scaledvalue = 1.0;
 623
 624                                 if (show_max != show_min)
 625                                         scaledvalue = (value - show_min) / (show_max - show_min);
 626
 627                                 if (scaledvalue == 1.0 && value == 0) {
 628                                         x++;
 629                                         lastscaledvalue_exists = false;
 630                                         continue;
 631                                 }
 632
 633                                 if (relativegraph) {
 634                                         if (lastscaledvalue_exists) {
 635                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 636                                                 s32 ivalue2 = scaledvalue * graph1h;
 637                                                 driver->draw2DLine(v2s32(x - 1, graph1y - ivalue1),
 638                                                                    v2s32(x, graph1y - ivalue2), meta.color);
 639                                         }
 640
 641                                         lastscaledvalue = scaledvalue;
 642                                         lastscaledvalue_exists = true;
 643                                 } else {
 644                                         s32 ivalue = scaledvalue * graph1h;
 645                                         driver->draw2DLine(v2s32(x, graph1y),
 646                                                            v2s32(x, graph1y - ivalue), meta.color);
 647                                 }
 648
 649                                 x++;
 650                         }
 651
 652                         meta_i++;
 653                 }
 654         }
 655 };
 656
 657 class NodeDugEvent: public MtEvent
 658 {
 659 public:
 660         v3s16 p;
 661         MapNode n;
 662
 663         NodeDugEvent(v3s16 p, MapNode n):
 664                 p(p),
 665                 n(n)
 666         {}
 667         const char *getType() const
 668         {
 669                 return "NodeDug";
 670         }
 671 };
 672
 673 class SoundMaker
 674 {
 675         ISoundManager *m_sound;
 676         INodeDefManager *m_ndef;
 677 public:
 678         float m_player_step_timer;
 679
 680         SimpleSoundSpec m_player_step_sound;
 681         SimpleSoundSpec m_player_leftpunch_sound;
 682         SimpleSoundSpec m_player_rightpunch_sound;
 683
 684         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 685                 m_sound(sound),
 686                 m_ndef(ndef),
 687                 m_player_step_timer(0)
 688         {
 689         }
 690
 691         void playPlayerStep()
 692         {
 693                 if (m_player_step_timer <= 0 && m_player_step_sound.exists()) {
 694                         m_player_step_timer = 0.03;
 695                         m_sound->playSound(m_player_step_sound, false);
 696                 }
 697         }
 698
 699         static void viewBobbingStep(MtEvent *e, void *data)
 700         {
 701                 SoundMaker *sm = (SoundMaker *)data;
 702                 sm->playPlayerStep();
 703         }
 704
 705         static void playerRegainGround(MtEvent *e, void *data)
 706         {
 707                 SoundMaker *sm = (SoundMaker *)data;
 708                 sm->playPlayerStep();
 709         }
 710
 711         static void playerJump(MtEvent *e, void *data)
 712         {
 713                 //SoundMaker *sm = (SoundMaker*)data;
 714         }
 715
 716         static void cameraPunchLeft(MtEvent *e, void *data)
 717         {
 718                 SoundMaker *sm = (SoundMaker *)data;
 719                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 720         }
 721
 722         static void cameraPunchRight(MtEvent *e, void *data)
 723         {
 724                 SoundMaker *sm = (SoundMaker *)data;
 725                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 726         }
 727
 728         static void nodeDug(MtEvent *e, void *data)
 729         {
 730                 SoundMaker *sm = (SoundMaker *)data;
 731                 NodeDugEvent *nde = (NodeDugEvent *)e;
 732                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 733         }
 734
 735         static void playerDamage(MtEvent *e, void *data)
 736         {
 737                 SoundMaker *sm = (SoundMaker *)data;
 738                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 739         }
 740
 741         static void playerFallingDamage(MtEvent *e, void *data)
 742         {
 743                 SoundMaker *sm = (SoundMaker *)data;
 744                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 745         }
 746
 747         void registerReceiver(MtEventManager *mgr)
 748         {
 749                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 750                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 751                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 752                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 753                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 754                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 755                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 756                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 757         }
 758
 759         void step(float dtime)
 760         {
 761                 m_player_step_timer -= dtime;
 762         }
 763 };
 764
 765 // Locally stored sounds don't need to be preloaded because of this
 766 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 767 {
 768         std::set<std::string> m_fetched;
 769 public:
 770         void fetchSounds(const std::string &name,
 771                         std::set<std::string> &dst_paths,
 772                         std::set<std::string> &dst_datas)
 773         {
 774                 if (m_fetched.count(name))
 775                         return;
 776
 777                 m_fetched.insert(name);
 778                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
 779                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
 780                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
 781                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
 782                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
 783                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
 784                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
 785                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
 786                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
 787                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
 788                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
 789                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
 790         }
 791 };
 792
 793 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 794 {
 795         Sky *m_sky;
 796         bool *m_force_fog_off;
 797         f32 *m_fog_range;
 798         Client *m_client;
 799         bool m_fogEnabled;
 800
 801 public:
 802         void onSettingsChange(const std::string &name)
 803         {
 804                 if (name == "enable_fog")
 805                         m_fogEnabled = g_settings->getBool("enable_fog");
 806         }
 807
 808         static void SettingsCallback(const std::string &name, void *userdata)
 809         {
 810                 reinterpret_cast<GameGlobalShaderConstantSetter*>(userdata)->onSettingsChange(name);
 811         }
 812
 813         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 814                         f32 *fog_range, Client *client) :
 815                 m_sky(sky),
 816                 m_force_fog_off(force_fog_off),
 817                 m_fog_range(fog_range),
 818                 m_client(client)
 819         {
 820                 g_settings->registerChangedCallback("enable_fog", SettingsCallback, this);
 821                 m_fogEnabled = g_settings->getBool("enable_fog");
 822         }
 823
 824         ~GameGlobalShaderConstantSetter()
 825         {
 826                 g_settings->deregisterChangedCallback("enable_fog", SettingsCallback, this);
 827         }
 828
 829         virtual void onSetConstants(video::IMaterialRendererServices *services,
 830                         bool is_highlevel)
 831         {
 832                 if (!is_highlevel)
 833                         return;
 834
 835                 // Background color
 836                 video::SColor bgcolor = m_sky->getBgColor();
 837                 video::SColorf bgcolorf(bgcolor);
 838                 float bgcolorfa[4] = {
 839                         bgcolorf.r,
 840                         bgcolorf.g,
 841                         bgcolorf.b,
 842                         bgcolorf.a,
 843                 };
 844                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
 845
 846                 // Fog distance
 847                 float fog_distance = 10000 * BS;
 848
 849                 if (m_fogEnabled && !*m_force_fog_off)
 850                         fog_distance = *m_fog_range;
 851
 852                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
 853
 854                 // Day-night ratio
 855                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
 856                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
 857                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
 858
 859                 u32 animation_timer = porting::getTimeMs() % 100000;
 860                 float animation_timer_f = (float)animation_timer / 100000.0;
 861                 services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
 862                 services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
 863
 864                 LocalPlayer *player = m_client->getEnv().getLocalPlayer();
 865                 v3f eye_position = player->getEyePosition();
 866                 services->setPixelShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
 867                 services->setVertexShaderConstant("eyePosition", (irr::f32 *)&eye_position, 3);
 868
 869                 v3f minimap_yaw_vec = m_client->getMapper()->getYawVec();
 870                 services->setPixelShaderConstant("yawVec", (irr::f32 *)&minimap_yaw_vec, 3);
 871
 872                 // Uniform sampler layers
 873                 int layer0 = 0;
 874                 int layer1 = 1;
 875                 int layer2 = 2;
 876                 // before 1.8 there isn't a "integer interface", only float
 877 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 878                 services->setPixelShaderConstant("baseTexture" , (irr::f32 *)&layer0, 1);
 879                 services->setPixelShaderConstant("normalTexture" , (irr::f32 *)&layer1, 1);
 880                 services->setPixelShaderConstant("textureFlags" , (irr::f32 *)&layer2, 1);
 881 #else
 882                 services->setPixelShaderConstant("baseTexture" , (irr::s32 *)&layer0, 1);
 883                 services->setPixelShaderConstant("normalTexture" , (irr::s32 *)&layer1, 1);
 884                 services->setPixelShaderConstant("textureFlags" , (irr::s32 *)&layer2, 1);
 885 #endif
 886         }
 887 };
 888
 889 bool nodePlacementPrediction(Client &client,
 890                 const ItemDefinition &playeritem_def, v3s16 nodepos, v3s16 neighbourpos)
 891 {
 892         std::string prediction = playeritem_def.node_placement_prediction;
 893         INodeDefManager *nodedef = client.ndef();
 894         ClientMap &map = client.getEnv().getClientMap();
 895         MapNode node;
 896         bool is_valid_position;
 897
 898         node = map.getNodeNoEx(nodepos, &is_valid_position);
 899         if (!is_valid_position)
 900                 return false;
 901
 902         if (prediction != "" && !nodedef->get(node).rightclickable) {
 903                 verbosestream << "Node placement prediction for "
 904                               << playeritem_def.name << " is "
 905                               << prediction << std::endl;
 906                 v3s16 p = neighbourpos;
 907
 908                 // Place inside node itself if buildable_to
 909                 MapNode n_under = map.getNodeNoEx(nodepos, &is_valid_position);
 910                 if (is_valid_position)
 911                 {
 912                         if (nodedef->get(n_under).buildable_to)
 913                                 p = nodepos;
 914                         else {
 915                                 node = map.getNodeNoEx(p, &is_valid_position);
 916                                 if (is_valid_position &&!nodedef->get(node).buildable_to)
 917                                         return false;
 918                         }
 919                 }
 920
 921                 // Find id of predicted node
 922                 content_t id;
 923                 bool found = nodedef->getId(prediction, id);
 924
 925                 if (!found) {
 926                         errorstream << "Node placement prediction failed for "
 927                                     << playeritem_def.name << " (places "
 928                                     << prediction
 929                                     << ") - Name not known" << std::endl;
 930                         return false;
 931                 }
 932
 933                 // Predict param2 for facedir and wallmounted nodes
 934                 u8 param2 = 0;
 935
 936                 if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED) {
 937                         v3s16 dir = nodepos - neighbourpos;
 938
 939                         if (abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))) {
 940                                 param2 = dir.Y < 0 ? 1 : 0;
 941                         } else if (abs(dir.X) > abs(dir.Z)) {
 942                                 param2 = dir.X < 0 ? 3 : 2;
 943                         } else {
 944                                 param2 = dir.Z < 0 ? 5 : 4;
 945                         }
 946                 }
 947
 948                 if (nodedef->get(id).param_type_2 == CPT2_FACEDIR) {
 949                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 950
 951                         if (abs(dir.X) > abs(dir.Z)) {
 952                                 param2 = dir.X < 0 ? 3 : 1;
 953                         } else {
 954                                 param2 = dir.Z < 0 ? 2 : 0;
 955                         }
 956                 }
 957
 958                 assert(param2 <= 5);
 959
 960                 //Check attachment if node is in group attached_node
 961                 if (((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0) {
 962                         static v3s16 wallmounted_dirs[8] = {
 963                                 v3s16(0, 1, 0),
 964                                 v3s16(0, -1, 0),
 965                                 v3s16(1, 0, 0),
 966                                 v3s16(-1, 0, 0),
 967                                 v3s16(0, 0, 1),
 968                                 v3s16(0, 0, -1),
 969                         };
 970                         v3s16 pp;
 971
 972                         if (nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
 973                                 pp = p + wallmounted_dirs[param2];
 974                         else
 975                                 pp = p + v3s16(0, -1, 0);
 976
 977                         if (!nodedef->get(map.getNodeNoEx(pp)).walkable)
 978                                 return false;
 979                 }
 980
 981                 // Add node to client map
 982                 MapNode n(id, 0, param2);
 983
 984                 try {
 985                         LocalPlayer *player = client.getEnv().getLocalPlayer();
 986
 987                         // Dont place node when player would be inside new node
 988                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 989                         if (!nodedef->get(n).walkable ||
 990                                         g_settings->getBool("enable_build_where_you_stand") ||
 991                                         (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 992                                         (nodedef->get(n).walkable &&
 993                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 1, 0) &&
 994                                          neighbourpos != player->getStandingNodePos() + v3s16(0, 2, 0))) {
 995
 996                                 // This triggers the required mesh update too
 997                                 client.addNode(p, n);
 998                                 return true;
 999                         }
1000                 } catch (InvalidPositionException &e) {
1001                         errorstream << "Node placement prediction failed for "
1002                                     << playeritem_def.name << " (places "
1003                                     << prediction
1004                                     << ") - Position not loaded" << std::endl;
1005                 }
1006         }
1007
1008         return false;
1009 }
1010
1011 static inline void create_formspec_menu(GUIFormSpecMenu **cur_formspec,
1012                 InventoryManager *invmgr, IGameDef *gamedef,
1013                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1014                 IFormSource *fs_src, TextDest *txt_dest, Client *client)
1015 {
1016
1017         if (*cur_formspec == 0) {
1018                 *cur_formspec = new GUIFormSpecMenu(device, guiroot, -1, &g_menumgr,
1019                                                     invmgr, gamedef, tsrc, fs_src, txt_dest, client);
1020                 (*cur_formspec)->doPause = false;
1021
1022                 /*
1023                         Caution: do not call (*cur_formspec)->drop() here --
1024                         the reference might outlive the menu, so we will
1025                         periodically check if *cur_formspec is the only
1026                         remaining reference (i.e. the menu was removed)
1027                         and delete it in that case.
1028                 */
1029
1030         } else {
1031                 (*cur_formspec)->setFormSource(fs_src);
1032                 (*cur_formspec)->setTextDest(txt_dest);
1033         }
1034 }
1035
1036 #ifdef __ANDROID__
1037 #define SIZE_TAG "size[11,5.5]"
1038 #else
1039 #define SIZE_TAG "size[11,5.5,true]" // Fixed size on desktop
1040 #endif
1041
1042 static void show_chat_menu(GUIFormSpecMenu **cur_formspec,
1043                 InventoryManager *invmgr, IGameDef *gamedef,
1044                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1045                 Client *client, std::string text)
1046 {
1047         std::string formspec =
1048                 FORMSPEC_VERSION_STRING
1049                 SIZE_TAG
1050                 "field[3,2.35;6,0.5;f_text;;" + text + "]"
1051                 "button_exit[4,3;3,0.5;btn_send;" + strgettext("Proceed") + "]"
1052                 ;
1053
1054         /* Create menu */
1055         /* Note: FormspecFormSource and LocalFormspecHandler
1056          * are deleted by guiFormSpecMenu                     */
1057         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1058         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_CHAT_MENU", client);
1059
1060         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device, fs_src, txt_dst, NULL);
1061 }
1062
1063 static void show_deathscreen(GUIFormSpecMenu **cur_formspec,
1064                 InventoryManager *invmgr, IGameDef *gamedef,
1065                 IWritableTextureSource *tsrc, IrrlichtDevice *device, Client *client)
1066 {
1067         std::string formspec =
1068                 std::string(FORMSPEC_VERSION_STRING) +
1069                 SIZE_TAG
1070                 "bgcolor[#320000b4;true]"
1071                 "label[4.85,1.35;" + gettext("You died.") + "]"
1072                 "button_exit[4,3;3,0.5;btn_respawn;" + gettext("Respawn") + "]"
1073                 ;
1074
1075         /* Create menu */
1076         /* Note: FormspecFormSource and LocalFormspecHandler
1077          * are deleted by guiFormSpecMenu                     */
1078         FormspecFormSource *fs_src = new FormspecFormSource(formspec);
1079         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_DEATH_SCREEN", client);
1080
1081         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1082 }
1083
1084 /******************************************************************************/
1085 static void show_pause_menu(GUIFormSpecMenu **cur_formspec,
1086                 InventoryManager *invmgr, IGameDef *gamedef,
1087                 IWritableTextureSource *tsrc, IrrlichtDevice *device,
1088                 bool singleplayermode)
1089 {
1090 #ifdef __ANDROID__
1091         std::string control_text = strgettext("Default Controls:\n"
1092                 "No menu visible:\n"
1093                 "- single tap: button activate\n"
1094                 "- double tap: place/use\n"
1095                 "- slide finger: look around\n"
1096                 "Menu/Inventory visible:\n"
1097                 "- double tap (outside):\n"
1098                 " -->close\n"
1099                 "- touch stack, touch slot:\n"
1100                 " --> move stack\n"
1101                 "- touch&drag, tap 2nd finger\n"
1102                 " --> place single item to slot\n"
1103                 );
1104 #else
1105         std::string control_text = strgettext("Default Controls:\n"
1106                 "- WASD: move\n"
1107                 "- Space: jump/climb\n"
1108                 "- Shift: sneak/go down\n"
1109                 "- Q: drop item\n"
1110                 "- I: inventory\n"
1111                 "- Mouse: turn/look\n"
1112                 "- Mouse left: dig/punch\n"
1113                 "- Mouse right: place/use\n"
1114                 "- Mouse wheel: select item\n"
1115                 "- T: chat\n"
1116                 );
1117 #endif
1118
1119         float ypos = singleplayermode ? 0.5 : 0.1;
1120         std::ostringstream os;
1121
1122         os << FORMSPEC_VERSION_STRING  << SIZE_TAG
1123            << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
1124            << strgettext("Continue") << "]";
1125
1126         if (!singleplayermode) {
1127                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
1128                    << strgettext("Change Password") << "]";
1129         }
1130
1131 #ifndef __ANDROID__
1132         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
1133                         << strgettext("Sound Volume") << "]";
1134         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_key_config;"
1135                         << strgettext("Change Keys")  << "]";
1136 #endif
1137         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
1138                         << strgettext("Exit to Menu") << "]";
1139         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
1140                         << strgettext("Exit to OS")   << "]"
1141                         << "textarea[7.5,0.25;3.9,6.25;;" << control_text << ";]"
1142                         << "textarea[0.4,0.25;3.5,6;;" << PROJECT_NAME_C "\n"
1143                         << g_build_info << "\n"
1144                         << "path_user = " << wrap_rows(porting::path_user, 20)
1145                         << "\n;]";
1146
1147         /* Create menu */
1148         /* Note: FormspecFormSource and LocalFormspecHandler  *
1149          * are deleted by guiFormSpecMenu                     */
1150         FormspecFormSource *fs_src = new FormspecFormSource(os.str());
1151         LocalFormspecHandler *txt_dst = new LocalFormspecHandler("MT_PAUSE_MENU");
1152
1153         create_formspec_menu(cur_formspec, invmgr, gamedef, tsrc, device,  fs_src, txt_dst, NULL);
1154         std::string con("btn_continue");
1155         (*cur_formspec)->setFocus(con);
1156         (*cur_formspec)->doPause = true;
1157 }
1158
1159 /******************************************************************************/
1160 static void updateChat(Client &client, f32 dtime, bool show_debug,
1161                 const v2u32 &screensize, bool show_chat, u32 show_profiler,
1162                 ChatBackend &chat_backend, gui::IGUIStaticText *guitext_chat)
1163 {
1164         // Add chat log output for errors to be shown in chat
1165         static LogOutputBuffer chat_log_error_buf(g_logger, LL_ERROR);
1166
1167         // Get new messages from error log buffer
1168         while (!chat_log_error_buf.empty()) {
1169                 chat_backend.addMessage(L"", utf8_to_wide(chat_log_error_buf.get()));
1170         }
1171
1172         // Get new messages from client
1173         std::wstring message;
1174
1175         while (client.getChatMessage(message)) {
1176                 chat_backend.addUnparsedMessage(message);
1177         }
1178
1179         // Remove old messages
1180         chat_backend.step(dtime);
1181
1182         // Display all messages in a static text element
1183         unsigned int recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
1184         std::wstring recent_chat       = chat_backend.getRecentChat();
1185         unsigned int line_height       = g_fontengine->getLineHeight();
1186
1187         guitext_chat->setText(recent_chat.c_str());
1188
1189         // Update gui element size and position
1190         s32 chat_y = 5 + line_height;
1191
1192         if (show_debug)
1193                 chat_y += line_height;
1194
1195         // first pass to calculate height of text to be set
1196         s32 width = std::min(g_fontengine->getTextWidth(recent_chat) + 10,
1197                              porting::getWindowSize().X - 20);
1198         core::rect<s32> rect(10, chat_y, width, chat_y + porting::getWindowSize().Y);
1199         guitext_chat->setRelativePosition(rect);
1200
1201         //now use real height of text and adjust rect according to this size
1202         rect = core::rect<s32>(10, chat_y, width,
1203                                chat_y + guitext_chat->getTextHeight());
1204
1205
1206         guitext_chat->setRelativePosition(rect);
1207         // Don't show chat if disabled or empty or profiler is enabled
1208         guitext_chat->setVisible(
1209                 show_chat && recent_chat_count != 0 && !show_profiler);
1210 }
1211
1212
1213 /****************************************************************************
1214  Fast key cache for main game loop
1215  ****************************************************************************/
1216
1217 /* This is faster than using getKeySetting with the tradeoff that functions
1218  * using it must make sure that it's initialised before using it and there is
1219  * no error handling (for example bounds checking). This is really intended for
1220  * use only in the main running loop of the client (the_game()) where the faster
1221  * (up to 10x faster) key lookup is an asset. Other parts of the codebase
1222  * (e.g. formspecs) should continue using getKeySetting().
1223  */
1224 struct KeyCache {
1225
1226         KeyCache() { populate(); }
1227
1228         enum {
1229                 // Player movement
1230                 KEYMAP_ID_FORWARD,
1231                 KEYMAP_ID_BACKWARD,
1232                 KEYMAP_ID_LEFT,
1233                 KEYMAP_ID_RIGHT,
1234                 KEYMAP_ID_JUMP,
1235                 KEYMAP_ID_SPECIAL1,
1236                 KEYMAP_ID_SNEAK,
1237                 KEYMAP_ID_AUTORUN,
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_AUTORUN]      = getKeySetting("keymap_autorun");
1291
1292         key[KEYMAP_ID_DROP]         = getKeySetting("keymap_drop");
1293         key[KEYMAP_ID_INVENTORY]    = getKeySetting("keymap_inventory");
1294         key[KEYMAP_ID_CHAT]         = getKeySetting("keymap_chat");
1295         key[KEYMAP_ID_CMD]          = getKeySetting("keymap_cmd");
1296         key[KEYMAP_ID_CONSOLE]      = getKeySetting("keymap_console");
1297         key[KEYMAP_ID_MINIMAP]      = getKeySetting("keymap_minimap");
1298         key[KEYMAP_ID_FREEMOVE]     = getKeySetting("keymap_freemove");
1299         key[KEYMAP_ID_FASTMOVE]     = getKeySetting("keymap_fastmove");
1300         key[KEYMAP_ID_NOCLIP]       = getKeySetting("keymap_noclip");
1301         key[KEYMAP_ID_CINEMATIC]    = getKeySetting("keymap_cinematic");
1302         key[KEYMAP_ID_SCREENSHOT]   = getKeySetting("keymap_screenshot");
1303         key[KEYMAP_ID_TOGGLE_HUD]   = getKeySetting("keymap_toggle_hud");
1304         key[KEYMAP_ID_TOGGLE_CHAT]  = getKeySetting("keymap_toggle_chat");
1305         key[KEYMAP_ID_TOGGLE_FORCE_FOG_OFF]
1306                         = getKeySetting("keymap_toggle_force_fog_off");
1307         key[KEYMAP_ID_TOGGLE_UPDATE_CAMERA]
1308                         = getKeySetting("keymap_toggle_update_camera");
1309         key[KEYMAP_ID_TOGGLE_DEBUG]
1310                         = getKeySetting("keymap_toggle_debug");
1311         key[KEYMAP_ID_TOGGLE_PROFILER]
1312                         = getKeySetting("keymap_toggle_profiler");
1313         key[KEYMAP_ID_CAMERA_MODE]
1314                         = getKeySetting("keymap_camera_mode");
1315         key[KEYMAP_ID_INCREASE_VIEWING_RANGE]
1316                         = getKeySetting("keymap_increase_viewing_range_min");
1317         key[KEYMAP_ID_DECREASE_VIEWING_RANGE]
1318                         = getKeySetting("keymap_decrease_viewing_range_min");
1319         key[KEYMAP_ID_RANGESELECT]
1320                         = getKeySetting("keymap_rangeselect");
1321
1322         key[KEYMAP_ID_QUICKTUNE_NEXT] = getKeySetting("keymap_quicktune_next");
1323         key[KEYMAP_ID_QUICKTUNE_PREV] = getKeySetting("keymap_quicktune_prev");
1324         key[KEYMAP_ID_QUICKTUNE_INC]  = getKeySetting("keymap_quicktune_inc");
1325         key[KEYMAP_ID_QUICKTUNE_DEC]  = getKeySetting("keymap_quicktune_dec");
1326
1327         key[KEYMAP_ID_DEBUG_STACKS]   = getKeySetting("keymap_print_debug_stacks");
1328 }
1329
1330
1331 /****************************************************************************
1332
1333  ****************************************************************************/
1334
1335 const float object_hit_delay = 0.2;
1336
1337 struct FpsControl {
1338         u32 last_time, busy_time, sleep_time;
1339 };
1340
1341
1342 /* The reason the following structs are not anonymous structs within the
1343  * class is that they are not used by the majority of member functions and
1344  * many functions that do require objects of thse types do not modify them
1345  * (so they can be passed as a const qualified parameter)
1346  */
1347 struct CameraOrientation {
1348         f32 camera_yaw;    // "right/left"
1349         f32 camera_pitch;  // "up/down"
1350 };
1351
1352 struct GameRunData {
1353         u16 dig_index;
1354         u16 new_playeritem;
1355         PointedThing pointed_old;
1356         bool digging;
1357         bool ldown_for_dig;
1358         bool left_punch;
1359         bool update_wielded_item_trigger;
1360         bool reset_jump_timer;
1361         float nodig_delay_timer;
1362         float dig_time;
1363         float dig_time_complete;
1364         float repeat_rightclick_timer;
1365         float object_hit_delay_timer;
1366         float time_from_last_punch;
1367         ClientActiveObject *selected_object;
1368
1369         float jump_timer;
1370         float damage_flash;
1371         float update_draw_list_timer;
1372         float statustext_time;
1373
1374         f32 fog_range;
1375
1376         v3f update_draw_list_last_cam_dir;
1377
1378         u32 profiler_current_page;
1379         u32 profiler_max_page;     // Number of pages
1380
1381         float time_of_day;
1382         float time_of_day_smooth;
1383 };
1384
1385 struct Jitter {
1386         f32 max, min, avg, counter, max_sample, min_sample, max_fraction;
1387 };
1388
1389 struct RunStats {
1390         u32 drawtime;
1391         u32 beginscenetime;
1392         u32 endscenetime;
1393
1394         Jitter dtime_jitter, busy_time_jitter;
1395 };
1396
1397 /* Flags that can, or may, change during main game loop
1398  */
1399 struct VolatileRunFlags {
1400         bool invert_mouse;
1401         bool show_chat;
1402         bool show_hud;
1403         bool show_minimap;
1404         bool force_fog_off;
1405         bool show_debug;
1406         bool show_profiler_graph;
1407         bool disable_camera_update;
1408         bool first_loop_after_window_activation;
1409         bool camera_offset_changed;
1410 };
1411
1412
1413 /****************************************************************************
1414  THE GAME
1415  ****************************************************************************/
1416
1417 /* This is not intended to be a public class. If a public class becomes
1418  * desirable then it may be better to create another 'wrapper' class that
1419  * hides most of the stuff in this class (nothing in this class is required
1420  * by any other file) but exposes the public methods/data only.
1421  */
1422 class Game {
1423 public:
1424         Game();
1425         ~Game();
1426
1427         bool startup(bool *kill,
1428                         bool random_input,
1429                         InputHandler *input,
1430                         IrrlichtDevice *device,
1431                         const std::string &map_dir,
1432                         const std::string &playername,
1433                         const std::string &password,
1434                         // If address is "", local server is used and address is updated
1435                         std::string *address,
1436                         u16 port,
1437                         std::string &error_message,
1438                         bool *reconnect,
1439                         ChatBackend *chat_backend,
1440                         const SubgameSpec &gamespec,    // Used for local game
1441                         bool simple_singleplayer_mode);
1442
1443         void run();
1444         void shutdown();
1445
1446 protected:
1447
1448         void extendedResourceCleanup();
1449
1450         // Basic initialisation
1451         bool init(const std::string &map_dir, std::string *address,
1452                         u16 port,
1453                         const SubgameSpec &gamespec);
1454         bool initSound();
1455         bool createSingleplayerServer(const std::string map_dir,
1456                         const SubgameSpec &gamespec, u16 port, std::string *address);
1457
1458         // Client creation
1459         bool createClient(const std::string &playername,
1460                         const std::string &password, std::string *address, u16 port);
1461         bool initGui();
1462
1463         // Client connection
1464         bool connectToServer(const std::string &playername,
1465                         const std::string &password, std::string *address, u16 port,
1466                         bool *connect_ok, bool *aborted);
1467         bool getServerContent(bool *aborted);
1468
1469         // Main loop
1470
1471         void updateInteractTimers(GameRunData *runData, f32 dtime);
1472         bool checkConnection();
1473         bool handleCallbacks();
1474         void processQueues();
1475         void updateProfilers(const GameRunData &runData, const RunStats &stats,
1476                         const FpsControl &draw_times, f32 dtime);
1477         void addProfilerGraphs(const RunStats &stats, const FpsControl &draw_times,
1478                         f32 dtime);
1479         void updateStats(RunStats *stats, const FpsControl &draw_times, f32 dtime);
1480
1481         void processUserInput(VolatileRunFlags *flags, GameRunData *runData,
1482                         f32 dtime);
1483         void processKeyboardInput(VolatileRunFlags *flags,
1484                         float *statustext_time,
1485                         float *jump_timer,
1486                         bool *reset_jump_timer,
1487                         u32 *profiler_current_page,
1488                         u32 profiler_max_page);
1489         void processItemSelection(u16 *new_playeritem);
1490
1491         void dropSelectedItem();
1492         void openInventory();
1493         void openConsole();
1494         void toggleFreeMove(float *statustext_time);
1495         void toggleFreeMoveAlt(float *statustext_time, float *jump_timer);
1496         void toggleFast(float *statustext_time);
1497         void toggleNoClip(float *statustext_time);
1498         void toggleCinematic(float *statustext_time);
1499         void toggleAutorun(float *statustext_time);
1500
1501         void toggleChat(float *statustext_time, bool *flag);
1502         void toggleHud(float *statustext_time, bool *flag);
1503         void toggleMinimap(float *statustext_time, bool *flag, bool show_hud,
1504                         bool shift_pressed);
1505         void toggleFog(float *statustext_time, bool *flag);
1506         void toggleDebug(float *statustext_time, bool *show_debug,
1507                         bool *show_profiler_graph);
1508         void toggleUpdateCamera(float *statustext_time, bool *flag);
1509         void toggleProfiler(float *statustext_time, u32 *profiler_current_page,
1510                         u32 profiler_max_page);
1511
1512         void increaseViewRange(float *statustext_time);
1513         void decreaseViewRange(float *statustext_time);
1514         void toggleFullViewRange(float *statustext_time);
1515
1516         void updateCameraDirection(CameraOrientation *cam, VolatileRunFlags *flags);
1517         void updateCameraOrientation(CameraOrientation *cam,
1518                         const VolatileRunFlags &flags);
1519         void updatePlayerControl(const CameraOrientation &cam);
1520         void step(f32 *dtime);
1521         void processClientEvents(CameraOrientation *cam, float *damage_flash);
1522         void updateCamera(VolatileRunFlags *flags, u32 busy_time, f32 dtime,
1523                         float time_from_last_punch);
1524         void updateSound(f32 dtime);
1525         void processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
1526                         GameRunData *runData, f32 dtime, bool show_hud,
1527                         bool show_debug);
1528         void handlePointingAtNode(GameRunData *runData,
1529                         const PointedThing &pointed, const ItemDefinition &playeritem_def,
1530                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1531         void handlePointingAtObject(GameRunData *runData,
1532                         const PointedThing &pointed, const ItemStack &playeritem,
1533                         const v3f &player_position, bool show_debug);
1534         void handleDigging(GameRunData *runData, const PointedThing &pointed,
1535                         const v3s16 &nodepos, const ToolCapabilities &playeritem_toolcap,
1536                         f32 dtime);
1537         void updateFrame(std::vector<aabb3f> &highlight_boxes, ProfilerGraph *graph,
1538                         RunStats *stats, GameRunData *runData,
1539                         f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam);
1540         void updateGui(float *statustext_time, const RunStats &stats,
1541                         const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
1542                         const CameraOrientation &cam);
1543         void updateProfilerGraphs(ProfilerGraph *graph);
1544
1545         // Misc
1546         void limitFps(FpsControl *fps_timings, f32 *dtime);
1547
1548         void showOverlayMessage(const wchar_t *msg, float dtime, int percent,
1549                         bool draw_clouds = true);
1550
1551         static void settingChangedCallback(const std::string &setting_name, void *data);
1552         void readSettings();
1553
1554 private:
1555         InputHandler *input;
1556
1557         Client *client;
1558         Server *server;
1559
1560         IWritableTextureSource *texture_src;
1561         IWritableShaderSource *shader_src;
1562
1563         // When created, these will be filled with data received from the server
1564         IWritableItemDefManager *itemdef_manager;
1565         IWritableNodeDefManager *nodedef_manager;
1566
1567         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1568         ISoundManager *sound;
1569         bool sound_is_dummy;
1570         SoundMaker *soundmaker;
1571
1572         ChatBackend *chat_backend;
1573
1574         GUIFormSpecMenu *current_formspec;
1575
1576         EventManager *eventmgr;
1577         QuicktuneShortcutter *quicktune;
1578
1579         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1580         MapDrawControl *draw_control;
1581         Camera *camera;
1582         Clouds *clouds;                   // Free using ->Drop()
1583         Sky *sky;                         // Free using ->Drop()
1584         Inventory *local_inventory;
1585         Hud *hud;
1586         Mapper *mapper;
1587
1588         /* 'cache'
1589            This class does take ownership/responsibily for cleaning up etc of any of
1590            these items (e.g. device)
1591         */
1592         IrrlichtDevice *device;
1593         video::IVideoDriver *driver;
1594         scene::ISceneManager *smgr;
1595         bool *kill;
1596         std::string *error_message;
1597         bool *reconnect_requested;
1598         IGameDef *gamedef;                     // Convenience (same as *client)
1599         scene::ISceneNode *skybox;
1600
1601         bool random_input;
1602         bool simple_singleplayer_mode;
1603         /* End 'cache' */
1604
1605         /* Pre-calculated values
1606          */
1607         int crack_animation_length;
1608
1609         /* GUI stuff
1610          */
1611         gui::IGUIStaticText *guitext;          // First line of debug text
1612         gui::IGUIStaticText *guitext2;         // Second line of debug text
1613         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1614         gui::IGUIStaticText *guitext_status;
1615         gui::IGUIStaticText *guitext_chat;         // Chat text
1616         gui::IGUIStaticText *guitext_profiler; // Profiler text
1617
1618         std::wstring infotext;
1619         std::wstring statustext;
1620
1621         KeyCache keycache;
1622
1623         IntervalLimiter profiler_interval;
1624
1625         /*
1626          * TODO: Local caching of settings is not optimal and should at some stage
1627          *       be updated to use a global settings object for getting thse values
1628          *       (as opposed to the this local caching). This can be addressed in
1629          *       a later release.
1630          */
1631         bool m_cache_doubletap_jump;
1632         bool m_cache_enable_node_highlighting;
1633         bool m_cache_enable_clouds;
1634         bool m_cache_enable_particles;
1635         bool m_cache_enable_fog;
1636         f32  m_cache_mouse_sensitivity;
1637         f32  m_repeat_right_click_time;
1638
1639 #ifdef __ANDROID__
1640         bool m_cache_hold_aux1;
1641 #endif
1642
1643 };
1644
1645 Game::Game() :
1646         client(NULL),
1647         server(NULL),
1648         texture_src(NULL),
1649         shader_src(NULL),
1650         itemdef_manager(NULL),
1651         nodedef_manager(NULL),
1652         sound(NULL),
1653         sound_is_dummy(false),
1654         soundmaker(NULL),
1655         chat_backend(NULL),
1656         current_formspec(NULL),
1657         eventmgr(NULL),
1658         quicktune(NULL),
1659         gui_chat_console(NULL),
1660         draw_control(NULL),
1661         camera(NULL),
1662         clouds(NULL),
1663         sky(NULL),
1664         local_inventory(NULL),
1665         hud(NULL),
1666         mapper(NULL)
1667 {
1668         g_settings->registerChangedCallback("doubletap_jump",
1669                 &settingChangedCallback, this);
1670         g_settings->registerChangedCallback("enable_node_highlighting",
1671                 &settingChangedCallback, this);
1672         g_settings->registerChangedCallback("enable_clouds",
1673                 &settingChangedCallback, this);
1674         g_settings->registerChangedCallback("enable_particles",
1675                 &settingChangedCallback, this);
1676         g_settings->registerChangedCallback("enable_fog",
1677                 &settingChangedCallback, this);
1678         g_settings->registerChangedCallback("mouse_sensitivity",
1679                 &settingChangedCallback, this);
1680         g_settings->registerChangedCallback("repeat_rightclick_time",
1681                 &settingChangedCallback, this);
1682
1683         readSettings();
1684
1685 #ifdef __ANDROID__
1686         m_cache_hold_aux1 = false;      // This is initialised properly later
1687 #endif
1688
1689 }
1690
1691
1692
1693 /****************************************************************************
1694  MinetestApp Public
1695  ****************************************************************************/
1696
1697 Game::~Game()
1698 {
1699         delete client;
1700         delete soundmaker;
1701         if (!sound_is_dummy)
1702                 delete sound;
1703
1704         delete server; // deleted first to stop all server threads
1705
1706         delete hud;
1707         delete local_inventory;
1708         delete camera;
1709         delete quicktune;
1710         delete eventmgr;
1711         delete texture_src;
1712         delete shader_src;
1713         delete nodedef_manager;
1714         delete itemdef_manager;
1715         delete draw_control;
1716
1717         extendedResourceCleanup();
1718
1719         g_settings->deregisterChangedCallback("doubletap_jump",
1720                 &settingChangedCallback, this);
1721         g_settings->deregisterChangedCallback("enable_node_highlighting",
1722                 &settingChangedCallback, this);
1723         g_settings->deregisterChangedCallback("enable_clouds",
1724                 &settingChangedCallback, this);
1725         g_settings->deregisterChangedCallback("enable_particles",
1726                 &settingChangedCallback, this);
1727         g_settings->deregisterChangedCallback("enable_fog",
1728                 &settingChangedCallback, this);
1729         g_settings->deregisterChangedCallback("mouse_sensitivity",
1730                 &settingChangedCallback, this);
1731         g_settings->deregisterChangedCallback("repeat_rightclick_time",
1732                 &settingChangedCallback, this);
1733 }
1734
1735 bool Game::startup(bool *kill,
1736                 bool random_input,
1737                 InputHandler *input,
1738                 IrrlichtDevice *device,
1739                 const std::string &map_dir,
1740                 const std::string &playername,
1741                 const std::string &password,
1742                 std::string *address,     // can change if simple_singleplayer_mode
1743                 u16 port,
1744                 std::string &error_message,
1745                 bool *reconnect,
1746                 ChatBackend *chat_backend,
1747                 const SubgameSpec &gamespec,
1748                 bool simple_singleplayer_mode)
1749 {
1750         // "cache"
1751         this->device              = device;
1752         this->kill                = kill;
1753         this->error_message       = &error_message;
1754         this->reconnect_requested = reconnect;
1755         this->random_input        = random_input;
1756         this->input               = input;
1757         this->chat_backend        = chat_backend;
1758         this->simple_singleplayer_mode = simple_singleplayer_mode;
1759
1760         driver              = device->getVideoDriver();
1761         smgr                = device->getSceneManager();
1762
1763         smgr->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1764
1765         if (!init(map_dir, address, port, gamespec))
1766                 return false;
1767
1768         if (!createClient(playername, password, address, port))
1769                 return false;
1770
1771         return true;
1772 }
1773
1774
1775 void Game::run()
1776 {
1777         ProfilerGraph graph;
1778         RunStats stats              = { 0 };
1779         CameraOrientation cam_view_target  = { 0 };
1780         CameraOrientation cam_view  = { 0 };
1781         GameRunData runData         = { 0 };
1782         FpsControl draw_times       = { 0 };
1783         VolatileRunFlags flags      = { 0 };
1784         f32 dtime; // in seconds
1785
1786         runData.time_from_last_punch  = 10.0;
1787         runData.profiler_max_page = 3;
1788         runData.update_wielded_item_trigger = true;
1789
1790         flags.show_chat = true;
1791         flags.show_hud = true;
1792         flags.show_minimap = g_settings->getBool("enable_minimap");
1793         flags.show_debug = g_settings->getBool("show_debug");
1794         flags.invert_mouse = g_settings->getBool("invert_mouse");
1795         flags.first_loop_after_window_activation = true;
1796
1797         /* Clear the profiler */
1798         Profiler::GraphValues dummyvalues;
1799         g_profiler->graphGet(dummyvalues);
1800
1801         draw_times.last_time = device->getTimer()->getTime();
1802
1803         shader_src->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1804                         sky,
1805                         &flags.force_fog_off,
1806                         &runData.fog_range,
1807                         client));
1808
1809         std::vector<aabb3f> highlight_boxes;
1810
1811         set_light_table(g_settings->getFloat("display_gamma"));
1812
1813 #ifdef __ANDROID__
1814         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1815                         && client->checkPrivilege("fast");
1816 #endif
1817
1818         while (device->run() && !(*kill || g_gamecallback->shutdown_requested)) {
1819
1820                 /* Must be called immediately after a device->run() call because it
1821                  * uses device->getTimer()->getTime()
1822                  */
1823                 limitFps(&draw_times, &dtime);
1824
1825                 updateStats(&stats, draw_times, dtime);
1826                 updateInteractTimers(&runData, dtime);
1827
1828                 if (!checkConnection())
1829                         break;
1830                 if (!handleCallbacks())
1831                         break;
1832
1833                 processQueues();
1834
1835                 infotext = L"";
1836                 hud->resizeHotbar();
1837
1838                 updateProfilers(runData, stats, draw_times, dtime);
1839                 processUserInput(&flags, &runData, dtime);
1840                 // Update camera before player movement to avoid camera lag of one frame
1841                 updateCameraDirection(&cam_view_target, &flags);
1842                 float cam_smoothing = 0;
1843                 if (g_settings->getBool("cinematic"))
1844                         cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
1845                 else
1846                         cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
1847                 cam_smoothing = rangelim(cam_smoothing, 0.01f, 1.0f);
1848                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1849                                 cam_view.camera_yaw) * cam_smoothing;
1850                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1851                                 cam_view.camera_pitch) * cam_smoothing;
1852                 updatePlayerControl(cam_view);
1853                 step(&dtime);
1854                 processClientEvents(&cam_view_target, &runData.damage_flash);
1855                 updateCamera(&flags, draw_times.busy_time, dtime,
1856                                 runData.time_from_last_punch);
1857                 updateSound(dtime);
1858                 processPlayerInteraction(highlight_boxes, &runData, dtime,
1859                                 flags.show_hud, flags.show_debug);
1860                 updateFrame(highlight_boxes, &graph, &stats, &runData, dtime,
1861                                 flags, cam_view);
1862                 updateProfilerGraphs(&graph);
1863
1864                 // Update if minimap has been disabled by the server
1865                 flags.show_minimap &= !client->isMinimapDisabledByServer();
1866         }
1867 }
1868
1869
1870 void Game::shutdown()
1871 {
1872         showOverlayMessage(wgettext("Shutting down..."), 0, 0, false);
1873
1874         if (clouds)
1875                 clouds->drop();
1876
1877         if (gui_chat_console)
1878                 gui_chat_console->drop();
1879
1880         if (sky)
1881                 sky->drop();
1882
1883         /* cleanup menus */
1884         while (g_menumgr.menuCount() > 0) {
1885                 g_menumgr.m_stack.front()->setVisible(false);
1886                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1887         }
1888
1889         if (current_formspec) {
1890                 current_formspec->drop();
1891                 current_formspec = NULL;
1892         }
1893
1894         chat_backend->addMessage(L"", L"# Disconnected.");
1895         chat_backend->addMessage(L"", L"");
1896
1897         if (client) {
1898                 client->Stop();
1899                 while (!client->isShutdown()) {
1900                         assert(texture_src != NULL);
1901                         assert(shader_src != NULL);
1902                         texture_src->processQueue();
1903                         shader_src->processQueue();
1904                         sleep_ms(100);
1905                 }
1906         }
1907 }
1908
1909
1910 /****************************************************************************/
1911 /****************************************************************************
1912  Startup
1913  ****************************************************************************/
1914 /****************************************************************************/
1915
1916 bool Game::init(
1917                 const std::string &map_dir,
1918                 std::string *address,
1919                 u16 port,
1920                 const SubgameSpec &gamespec)
1921 {
1922         showOverlayMessage(wgettext("Loading..."), 0, 0);
1923
1924         texture_src = createTextureSource(device);
1925         shader_src = createShaderSource(device);
1926
1927         itemdef_manager = createItemDefManager();
1928         nodedef_manager = createNodeDefManager();
1929
1930         eventmgr = new EventManager();
1931         quicktune = new QuicktuneShortcutter();
1932
1933         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1934                         && eventmgr && quicktune))
1935                 return false;
1936
1937         if (!initSound())
1938                 return false;
1939
1940         // Create a server if not connecting to an existing one
1941         if (*address == "") {
1942                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1943                         return false;
1944         }
1945
1946         return true;
1947 }
1948
1949 bool Game::initSound()
1950 {
1951 #if USE_SOUND
1952         if (g_settings->getBool("enable_sound")) {
1953                 infostream << "Attempting to use OpenAL audio" << std::endl;
1954                 sound = createOpenALSoundManager(&soundfetcher);
1955                 if (!sound)
1956                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1957         } else
1958                 infostream << "Sound disabled." << std::endl;
1959 #endif
1960
1961         if (!sound) {
1962                 infostream << "Using dummy audio." << std::endl;
1963                 sound = &dummySoundManager;
1964                 sound_is_dummy = true;
1965         }
1966
1967         soundmaker = new SoundMaker(sound, nodedef_manager);
1968         if (!soundmaker)
1969                 return false;
1970
1971         soundmaker->registerReceiver(eventmgr);
1972
1973         return true;
1974 }
1975
1976 bool Game::createSingleplayerServer(const std::string map_dir,
1977                 const SubgameSpec &gamespec, u16 port, std::string *address)
1978 {
1979         showOverlayMessage(wgettext("Creating server..."), 0, 5);
1980
1981         std::string bind_str = g_settings->get("bind_address");
1982         Address bind_addr(0, 0, 0, 0, port);
1983
1984         if (g_settings->getBool("ipv6_server")) {
1985                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1986         }
1987
1988         try {
1989                 bind_addr.Resolve(bind_str.c_str());
1990         } catch (ResolveError &e) {
1991                 infostream << "Resolving bind address \"" << bind_str
1992                            << "\" failed: " << e.what()
1993                            << " -- Listening on all addresses." << std::endl;
1994         }
1995
1996         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1997                 *error_message = "Unable to listen on " +
1998                                 bind_addr.serializeString() +
1999                                 " because IPv6 is disabled";
2000                 errorstream << *error_message << std::endl;
2001                 return false;
2002         }
2003
2004         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
2005                             bind_addr.isIPv6());
2006
2007         server->start(bind_addr);
2008
2009         return true;
2010 }
2011
2012 bool Game::createClient(const std::string &playername,
2013                 const std::string &password, std::string *address, u16 port)
2014 {
2015         showOverlayMessage(wgettext("Creating client..."), 0, 10);
2016
2017         draw_control = new MapDrawControl;
2018         if (!draw_control)
2019                 return false;
2020
2021         bool could_connect, connect_aborted;
2022
2023         if (!connectToServer(playername, password, address, port,
2024                         &could_connect, &connect_aborted))
2025                 return false;
2026
2027         if (!could_connect) {
2028                 if (error_message->empty() && !connect_aborted) {
2029                         // Should not happen if error messages are set properly
2030                         *error_message = "Connection failed for unknown reason";
2031                         errorstream << *error_message << std::endl;
2032                 }
2033                 return false;
2034         }
2035
2036         if (!getServerContent(&connect_aborted)) {
2037                 if (error_message->empty() && !connect_aborted) {
2038                         // Should not happen if error messages are set properly
2039                         *error_message = "Connection failed for unknown reason";
2040                         errorstream << *error_message << std::endl;
2041                 }
2042                 return false;
2043         }
2044
2045         // Update cached textures, meshes and materials
2046         client->afterContentReceived(device);
2047
2048         /* Camera
2049          */
2050         camera = new Camera(smgr, *draw_control, gamedef);
2051         if (!camera || !camera->successfullyCreated(*error_message))
2052                 return false;
2053
2054         /* Clouds
2055          */
2056         if (m_cache_enable_clouds) {
2057                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
2058                 if (!clouds) {
2059                         *error_message = "Memory allocation error (clouds)";
2060                         errorstream << *error_message << std::endl;
2061                         return false;
2062                 }
2063         }
2064
2065         /* Skybox
2066          */
2067         sky = new Sky(smgr->getRootSceneNode(), smgr, -1, texture_src);
2068         skybox = NULL;  // This is used/set later on in the main run loop
2069
2070         local_inventory = new Inventory(itemdef_manager);
2071
2072         if (!(sky && local_inventory)) {
2073                 *error_message = "Memory allocation error (sky or local inventory)";
2074                 errorstream << *error_message << std::endl;
2075                 return false;
2076         }
2077
2078         /* Pre-calculated values
2079          */
2080         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
2081         if (t) {
2082                 v2u32 size = t->getOriginalSize();
2083                 crack_animation_length = size.Y / size.X;
2084         } else {
2085                 crack_animation_length = 5;
2086         }
2087
2088         if (!initGui())
2089                 return false;
2090
2091         /* Set window caption
2092          */
2093         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
2094         str += L" [";
2095         str += driver->getName();
2096         str += L"]";
2097         device->setWindowCaption(str.c_str());
2098
2099         LocalPlayer *player = client->getEnv().getLocalPlayer();
2100         player->hurt_tilt_timer = 0;
2101         player->hurt_tilt_strength = 0;
2102
2103         hud = new Hud(driver, smgr, guienv, gamedef, player, local_inventory);
2104
2105         if (!hud) {
2106                 *error_message = "Memory error: could not create HUD";
2107                 errorstream << *error_message << std::endl;
2108                 return false;
2109         }
2110
2111         mapper = client->getMapper();
2112         mapper->setMinimapMode(MINIMAP_MODE_OFF);
2113
2114         return true;
2115 }
2116
2117 bool Game::initGui()
2118 {
2119         // First line of debug text
2120         guitext = guienv->addStaticText(
2121                         utf8_to_wide(PROJECT_NAME_C).c_str(),
2122                         core::rect<s32>(0, 0, 0, 0),
2123                         false, false, guiroot);
2124
2125         // Second line of debug text
2126         guitext2 = guienv->addStaticText(
2127                         L"",
2128                         core::rect<s32>(0, 0, 0, 0),
2129                         false, false, guiroot);
2130
2131         // At the middle of the screen
2132         // Object infos are shown in this
2133         guitext_info = guienv->addStaticText(
2134                         L"",
2135                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2136                         false, true, guiroot);
2137
2138         // Status text (displays info when showing and hiding GUI stuff, etc.)
2139         guitext_status = guienv->addStaticText(
2140                         L"<Status>",
2141                         core::rect<s32>(0, 0, 0, 0),
2142                         false, false, guiroot);
2143         guitext_status->setVisible(false);
2144
2145         // Chat text
2146         guitext_chat = guienv->addStaticText(
2147                         L"",
2148                         core::rect<s32>(0, 0, 0, 0),
2149                         //false, false); // Disable word wrap as of now
2150                         false, true, guiroot);
2151         // Remove stale "recent" chat messages from previous connections
2152         chat_backend->clearRecentChat();
2153
2154         // Chat backend and console
2155         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2156                         -1, chat_backend, client);
2157         if (!gui_chat_console) {
2158                 *error_message = "Could not allocate memory for chat console";
2159                 errorstream << *error_message << std::endl;
2160                 return false;
2161         }
2162
2163         // Profiler text (size is updated when text is updated)
2164         guitext_profiler = guienv->addStaticText(
2165                         L"<Profiler>",
2166                         core::rect<s32>(0, 0, 0, 0),
2167                         false, false, guiroot);
2168         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2169         guitext_profiler->setVisible(false);
2170         guitext_profiler->setWordWrap(true);
2171
2172 #ifdef HAVE_TOUCHSCREENGUI
2173
2174         if (g_touchscreengui)
2175                 g_touchscreengui->init(texture_src, porting::getDisplayDensity());
2176
2177 #endif
2178
2179         return true;
2180 }
2181
2182 bool Game::connectToServer(const std::string &playername,
2183                 const std::string &password, std::string *address, u16 port,
2184                 bool *connect_ok, bool *aborted)
2185 {
2186         *connect_ok = false;    // Let's not be overly optimistic
2187         *aborted = false;
2188         bool local_server_mode = false;
2189
2190         showOverlayMessage(wgettext("Resolving address..."), 0, 15);
2191
2192         Address connect_address(0, 0, 0, 0, port);
2193
2194         try {
2195                 connect_address.Resolve(address->c_str());
2196
2197                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2198                         //connect_address.Resolve("localhost");
2199                         if (connect_address.isIPv6()) {
2200                                 IPv6AddressBytes addr_bytes;
2201                                 addr_bytes.bytes[15] = 1;
2202                                 connect_address.setAddress(&addr_bytes);
2203                         } else {
2204                                 connect_address.setAddress(127, 0, 0, 1);
2205                         }
2206                         local_server_mode = true;
2207                 }
2208         } catch (ResolveError &e) {
2209                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2210                 errorstream << *error_message << std::endl;
2211                 return false;
2212         }
2213
2214         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2215                 *error_message = "Unable to connect to " +
2216                                 connect_address.serializeString() +
2217                                 " because IPv6 is disabled";
2218                 errorstream << *error_message << std::endl;
2219                 return false;
2220         }
2221
2222         client = new Client(device,
2223                         playername.c_str(), password,
2224                         *draw_control, texture_src, shader_src,
2225                         itemdef_manager, nodedef_manager, sound, eventmgr,
2226                         connect_address.isIPv6());
2227
2228         if (!client)
2229                 return false;
2230
2231         gamedef = client;       // Client acts as our GameDef
2232
2233         infostream << "Connecting to server at ";
2234         connect_address.print(&infostream);
2235         infostream << std::endl;
2236
2237         client->connect(connect_address, *address,
2238                 simple_singleplayer_mode || local_server_mode);
2239
2240         /*
2241                 Wait for server to accept connection
2242         */
2243
2244         try {
2245                 input->clear();
2246
2247                 FpsControl fps_control = { 0 };
2248                 f32 dtime;
2249                 f32 wait_time = 0; // in seconds
2250
2251                 fps_control.last_time = device->getTimer()->getTime();
2252
2253                 while (device->run()) {
2254
2255                         limitFps(&fps_control, &dtime);
2256
2257                         // Update client and server
2258                         client->step(dtime);
2259
2260                         if (server != NULL)
2261                                 server->step(dtime);
2262
2263                         // End condition
2264                         if (client->getState() == LC_Init) {
2265                                 *connect_ok = true;
2266                                 break;
2267                         }
2268
2269                         // Break conditions
2270                         if (client->accessDenied()) {
2271                                 *error_message = "Access denied. Reason: "
2272                                                 + client->accessDeniedReason();
2273                                 *reconnect_requested = client->reconnectRequested();
2274                                 errorstream << *error_message << std::endl;
2275                                 break;
2276                         }
2277
2278                         if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2279                                 *aborted = true;
2280                                 infostream << "Connect aborted [Escape]" << std::endl;
2281                                 break;
2282                         }
2283
2284                         wait_time += dtime;
2285                         // Only time out if we aren't waiting for the server we started
2286                         if ((*address != "") && (wait_time > 10)) {
2287                                 *error_message = "Connection timed out.";
2288                                 errorstream << *error_message << std::endl;
2289                                 break;
2290                         }
2291
2292                         // Update status
2293                         showOverlayMessage(wgettext("Connecting to server..."), dtime, 20);
2294                 }
2295         } catch (con::PeerNotFoundException &e) {
2296                 // TODO: Should something be done here? At least an info/error
2297                 // message?
2298                 return false;
2299         }
2300
2301         return true;
2302 }
2303
2304 bool Game::getServerContent(bool *aborted)
2305 {
2306         input->clear();
2307
2308         FpsControl fps_control = { 0 };
2309         f32 dtime; // in seconds
2310
2311         fps_control.last_time = device->getTimer()->getTime();
2312
2313         while (device->run()) {
2314
2315                 limitFps(&fps_control, &dtime);
2316
2317                 // Update client and server
2318                 client->step(dtime);
2319
2320                 if (server != NULL)
2321                         server->step(dtime);
2322
2323                 // End condition
2324                 if (client->mediaReceived() && client->itemdefReceived() &&
2325                                 client->nodedefReceived()) {
2326                         break;
2327                 }
2328
2329                 // Error conditions
2330                 if (!checkConnection())
2331                         return false;
2332
2333                 if (client->getState() < LC_Init) {
2334                         *error_message = "Client disconnected";
2335                         errorstream << *error_message << std::endl;
2336                         return false;
2337                 }
2338
2339                 if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2340                         *aborted = true;
2341                         infostream << "Connect aborted [Escape]" << std::endl;
2342                         return false;
2343                 }
2344
2345                 // Display status
2346                 int progress = 25;
2347
2348                 if (!client->itemdefReceived()) {
2349                         const wchar_t *text = wgettext("Item definitions...");
2350                         progress = 25;
2351                         draw_load_screen(text, device, guienv, dtime, progress);
2352                         delete[] text;
2353                 } else if (!client->nodedefReceived()) {
2354                         const wchar_t *text = wgettext("Node definitions...");
2355                         progress = 30;
2356                         draw_load_screen(text, device, guienv, dtime, progress);
2357                         delete[] text;
2358                 } else {
2359                         std::stringstream message;
2360                         message.precision(3);
2361                         message << gettext("Media...");
2362
2363                         if ((USE_CURL == 0) ||
2364                                         (!g_settings->getBool("enable_remote_media_server"))) {
2365                                 float cur = client->getCurRate();
2366                                 std::string cur_unit = gettext("KiB/s");
2367
2368                                 if (cur > 900) {
2369                                         cur /= 1024.0;
2370                                         cur_unit = gettext("MiB/s");
2371                                 }
2372
2373                                 message << " (" << cur << ' ' << cur_unit << ")";
2374                         }
2375
2376                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2377                         draw_load_screen(utf8_to_wide(message.str()), device,
2378                                         guienv, dtime, progress);
2379                 }
2380         }
2381
2382         return true;
2383 }
2384
2385
2386 /****************************************************************************/
2387 /****************************************************************************
2388  Run
2389  ****************************************************************************/
2390 /****************************************************************************/
2391
2392 inline void Game::updateInteractTimers(GameRunData *runData, f32 dtime)
2393 {
2394         if (runData->nodig_delay_timer >= 0)
2395                 runData->nodig_delay_timer -= dtime;
2396
2397         if (runData->object_hit_delay_timer >= 0)
2398                 runData->object_hit_delay_timer -= dtime;
2399
2400         runData->time_from_last_punch += dtime;
2401 }
2402
2403
2404 /* returns false if game should exit, otherwise true
2405  */
2406 inline bool Game::checkConnection()
2407 {
2408         if (client->accessDenied()) {
2409                 *error_message = "Access denied. Reason: "
2410                                 + client->accessDeniedReason();
2411                 *reconnect_requested = client->reconnectRequested();
2412                 errorstream << *error_message << std::endl;
2413                 return false;
2414         }
2415
2416         return true;
2417 }
2418
2419
2420 /* returns false if game should exit, otherwise true
2421  */
2422 inline bool Game::handleCallbacks()
2423 {
2424         if (g_gamecallback->disconnect_requested) {
2425                 g_gamecallback->disconnect_requested = false;
2426                 return false;
2427         }
2428
2429         if (g_gamecallback->changepassword_requested) {
2430                 (new GUIPasswordChange(guienv, guiroot, -1,
2431                                        &g_menumgr, client))->drop();
2432                 g_gamecallback->changepassword_requested = false;
2433         }
2434
2435         if (g_gamecallback->changevolume_requested) {
2436                 (new GUIVolumeChange(guienv, guiroot, -1,
2437                                      &g_menumgr, client))->drop();
2438                 g_gamecallback->changevolume_requested = false;
2439         }
2440
2441         if (g_gamecallback->keyconfig_requested) {
2442                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2443                                       &g_menumgr))->drop();
2444                 g_gamecallback->keyconfig_requested = false;
2445         }
2446
2447         if (g_gamecallback->keyconfig_changed) {
2448                 keycache.populate(); // update the cache with new settings
2449                 g_gamecallback->keyconfig_changed = false;
2450         }
2451
2452         return true;
2453 }
2454
2455
2456 void Game::processQueues()
2457 {
2458         texture_src->processQueue();
2459         itemdef_manager->processQueue(gamedef);
2460         shader_src->processQueue();
2461 }
2462
2463
2464 void Game::updateProfilers(const GameRunData &runData, const RunStats &stats,
2465                 const FpsControl &draw_times, f32 dtime)
2466 {
2467         float profiler_print_interval =
2468                         g_settings->getFloat("profiler_print_interval");
2469         bool print_to_log = true;
2470
2471         if (profiler_print_interval == 0) {
2472                 print_to_log = false;
2473                 profiler_print_interval = 5;
2474         }
2475
2476         if (profiler_interval.step(dtime, profiler_print_interval)) {
2477                 if (print_to_log) {
2478                         infostream << "Profiler:" << std::endl;
2479                         g_profiler->print(infostream);
2480                 }
2481
2482                 update_profiler_gui(guitext_profiler, g_fontengine,
2483                                 runData.profiler_current_page, runData.profiler_max_page,
2484                                 driver->getScreenSize().Height);
2485
2486                 g_profiler->clear();
2487         }
2488
2489         addProfilerGraphs(stats, draw_times, dtime);
2490 }
2491
2492
2493 void Game::addProfilerGraphs(const RunStats &stats,
2494                 const FpsControl &draw_times, f32 dtime)
2495 {
2496         g_profiler->graphAdd("mainloop_other",
2497                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2498
2499         if (draw_times.sleep_time != 0)
2500                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2501         g_profiler->graphAdd("mainloop_dtime", dtime);
2502
2503         g_profiler->add("Elapsed time", dtime);
2504         g_profiler->avg("FPS", 1. / dtime);
2505 }
2506
2507
2508 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2509                 f32 dtime)
2510 {
2511
2512         f32 jitter;
2513         Jitter *jp;
2514
2515         /* Time average and jitter calculation
2516          */
2517         jp = &stats->dtime_jitter;
2518         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2519
2520         jitter = dtime - jp->avg;
2521
2522         if (jitter > jp->max)
2523                 jp->max = jitter;
2524
2525         jp->counter += dtime;
2526
2527         if (jp->counter > 0.0) {
2528                 jp->counter -= 3.0;
2529                 jp->max_sample = jp->max;
2530                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2531                 jp->max = 0.0;
2532         }
2533
2534         /* Busytime average and jitter calculation
2535          */
2536         jp = &stats->busy_time_jitter;
2537         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2538
2539         jitter = draw_times.busy_time - jp->avg;
2540
2541         if (jitter > jp->max)
2542                 jp->max = jitter;
2543         if (jitter < jp->min)
2544                 jp->min = jitter;
2545
2546         jp->counter += dtime;
2547
2548         if (jp->counter > 0.0) {
2549                 jp->counter -= 3.0;
2550                 jp->max_sample = jp->max;
2551                 jp->min_sample = jp->min;
2552                 jp->max = 0.0;
2553                 jp->min = 0.0;
2554         }
2555 }
2556
2557
2558
2559 /****************************************************************************
2560  Input handling
2561  ****************************************************************************/
2562
2563 void Game::processUserInput(VolatileRunFlags *flags,
2564                 GameRunData *runData, f32 dtime)
2565 {
2566         // Reset input if window not active or some menu is active
2567         if (device->isWindowActive() == false
2568                         || noMenuActive() == false
2569                         || guienv->hasFocus(gui_chat_console)) {
2570                 input->clear();
2571         }
2572
2573         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2574                 gui_chat_console->closeConsoleAtOnce();
2575         }
2576
2577         // Input handler step() (used by the random input generator)
2578         input->step(dtime);
2579
2580 #ifdef HAVE_TOUCHSCREENGUI
2581
2582         if (g_touchscreengui) {
2583                 g_touchscreengui->step(dtime);
2584         }
2585
2586 #endif
2587 #ifdef __ANDROID__
2588
2589         if (current_formspec != 0)
2590                 current_formspec->getAndroidUIInput();
2591
2592 #endif
2593
2594         // Increase timer for double tap of "keymap_jump"
2595         if (m_cache_doubletap_jump && runData->jump_timer <= 0.2)
2596                 runData->jump_timer += dtime;
2597
2598         processKeyboardInput(
2599                         flags,
2600                         &runData->statustext_time,
2601                         &runData->jump_timer,
2602                         &runData->reset_jump_timer,
2603                         &runData->profiler_current_page,
2604                         runData->profiler_max_page);
2605
2606         processItemSelection(&runData->new_playeritem);
2607 }
2608
2609
2610 void Game::processKeyboardInput(VolatileRunFlags *flags,
2611                 float *statustext_time,
2612                 float *jump_timer,
2613                 bool *reset_jump_timer,
2614                 u32 *profiler_current_page,
2615                 u32 profiler_max_page)
2616 {
2617
2618         //TimeTaker tt("process kybd input", NULL, PRECISION_NANO);
2619
2620         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DROP])) {
2621                 dropSelectedItem();
2622         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_AUTORUN])) {
2623                 toggleAutorun(statustext_time);
2624         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INVENTORY])) {
2625                 openInventory();
2626         } else if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2627                 show_pause_menu(&current_formspec, client, gamedef, texture_src, device,
2628                                 simple_singleplayer_mode);
2629         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CHAT])) {
2630                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2631                                 client, "");
2632         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CMD])) {
2633                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2634                                 client, "/");
2635         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CONSOLE])) {
2636                 openConsole();
2637         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FREEMOVE])) {
2638                 toggleFreeMove(statustext_time);
2639         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])) {
2640                 toggleFreeMoveAlt(statustext_time, jump_timer);
2641                 *reset_jump_timer = true;
2642         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FASTMOVE])) {
2643                 toggleFast(statustext_time);
2644         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_NOCLIP])) {
2645                 toggleNoClip(statustext_time);
2646         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CINEMATIC])) {
2647                 toggleCinematic(statustext_time);
2648         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_SCREENSHOT])) {
2649                 client->makeScreenshot(device);
2650         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_HUD])) {
2651                 toggleHud(statustext_time, &flags->show_hud);
2652         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_MINIMAP])) {
2653                 toggleMinimap(statustext_time, &flags->show_minimap, flags->show_hud,
2654                         input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]));
2655         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_CHAT])) {
2656                 toggleChat(statustext_time, &flags->show_chat);
2657         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_FORCE_FOG_OFF])) {
2658                 toggleFog(statustext_time, &flags->force_fog_off);
2659         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_UPDATE_CAMERA])) {
2660                 toggleUpdateCamera(statustext_time, &flags->disable_camera_update);
2661         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_DEBUG])) {
2662                 toggleDebug(statustext_time, &flags->show_debug, &flags->show_profiler_graph);
2663         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_PROFILER])) {
2664                 toggleProfiler(statustext_time, profiler_current_page, profiler_max_page);
2665         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INCREASE_VIEWING_RANGE])) {
2666                 increaseViewRange(statustext_time);
2667         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DECREASE_VIEWING_RANGE])) {
2668                 decreaseViewRange(statustext_time);
2669         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_RANGESELECT])) {
2670                 toggleFullViewRange(statustext_time);
2671         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_NEXT]))
2672                 quicktune->next();
2673         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_PREV]))
2674                 quicktune->prev();
2675         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_INC]))
2676                 quicktune->inc();
2677         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_DEC]))
2678                 quicktune->dec();
2679         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DEBUG_STACKS])) {
2680                 // Print debug stacks
2681                 dstream << "-----------------------------------------"
2682                         << std::endl;
2683                 dstream << "Printing debug stacks:" << std::endl;
2684                 dstream << "-----------------------------------------"
2685                         << std::endl;
2686                 debug_stacks_print();
2687         }
2688
2689         if (!input->isKeyDown(getKeySetting("keymap_jump")) && *reset_jump_timer) {
2690                 *reset_jump_timer = false;
2691                 *jump_timer = 0.0;
2692         }
2693
2694         //tt.stop();
2695
2696         if (quicktune->hasMessage()) {
2697                 std::string msg = quicktune->getMessage();
2698                 statustext = utf8_to_wide(msg);
2699                 *statustext_time = 0;
2700         }
2701 }
2702
2703
2704 void Game::processItemSelection(u16 *new_playeritem)
2705 {
2706         LocalPlayer *player = client->getEnv().getLocalPlayer();
2707
2708         /* Item selection using mouse wheel
2709          */
2710         *new_playeritem = client->getPlayerItem();
2711
2712         s32 wheel = input->getMouseWheel();
2713         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2714                                  player->hud_hotbar_itemcount - 1);
2715
2716         if (wheel < 0)
2717                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2718         else if (wheel > 0)
2719                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2720         // else wheel == 0
2721
2722
2723         /* Item selection using keyboard
2724          */
2725         for (u16 i = 0; i < 10; i++) {
2726                 static const KeyPress *item_keys[10] = {
2727                         NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
2728                         NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
2729                         NumberKey + 9, NumberKey + 0,
2730                 };
2731
2732                 if (input->wasKeyDown(*item_keys[i])) {
2733                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2734                                 *new_playeritem = i;
2735                                 infostream << "Selected item: " << new_playeritem << std::endl;
2736                         }
2737                         break;
2738                 }
2739         }
2740 }
2741
2742
2743 void Game::dropSelectedItem()
2744 {
2745         IDropAction *a = new IDropAction();
2746         a->count = 0;
2747         a->from_inv.setCurrentPlayer();
2748         a->from_list = "main";
2749         a->from_i = client->getPlayerItem();
2750         client->inventoryAction(a);
2751 }
2752
2753
2754 void Game::openInventory()
2755 {
2756         /*
2757          * Don't permit to open inventory is CAO or player doesn't exists.
2758          * This prevent showing an empty inventory at player load
2759          */
2760
2761         LocalPlayer *player = client->getEnv().getLocalPlayer();
2762         if (player == NULL || player->getCAO() == NULL)
2763                 return;
2764
2765         infostream << "the_game: " << "Launching inventory" << std::endl;
2766
2767         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2768         TextDest *txt_dst = new TextDestPlayerInventory(client);
2769
2770         create_formspec_menu(&current_formspec, client, gamedef, texture_src,
2771                         device, fs_src, txt_dst, client);
2772
2773         InventoryLocation inventoryloc;
2774         inventoryloc.setCurrentPlayer();
2775         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2776 }
2777
2778
2779 void Game::openConsole()
2780 {
2781         if (!gui_chat_console->isOpenInhibited()) {
2782                 // Open up to over half of the screen
2783                 gui_chat_console->openConsole(0.6);
2784                 guienv->setFocus(gui_chat_console);
2785         }
2786 }
2787
2788
2789 void Game::toggleFreeMove(float *statustext_time)
2790 {
2791         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2792
2793         bool free_move = !g_settings->getBool("free_move");
2794         g_settings->set("free_move", bool_to_cstr(free_move));
2795
2796         *statustext_time = 0;
2797         statustext = msg[free_move];
2798         if (free_move && !client->checkPrivilege("fly"))
2799                 statustext += L" (note: no 'fly' privilege)";
2800 }
2801
2802
2803 void Game::toggleFreeMoveAlt(float *statustext_time, float *jump_timer)
2804 {
2805         if (m_cache_doubletap_jump && *jump_timer < 0.2f)
2806                 toggleFreeMove(statustext_time);
2807 }
2808
2809
2810 void Game::toggleFast(float *statustext_time)
2811 {
2812         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2813         bool fast_move = !g_settings->getBool("fast_move");
2814         g_settings->set("fast_move", bool_to_cstr(fast_move));
2815
2816         *statustext_time = 0;
2817         statustext = msg[fast_move];
2818
2819         bool has_fast_privs = client->checkPrivilege("fast");
2820
2821         if (fast_move && !has_fast_privs)
2822                 statustext += L" (note: no 'fast' privilege)";
2823
2824 #ifdef __ANDROID__
2825         m_cache_hold_aux1 = fast_move && has_fast_privs;
2826 #endif
2827 }
2828
2829
2830 void Game::toggleNoClip(float *statustext_time)
2831 {
2832         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2833         bool noclip = !g_settings->getBool("noclip");
2834         g_settings->set("noclip", bool_to_cstr(noclip));
2835
2836         *statustext_time = 0;
2837         statustext = msg[noclip];
2838
2839         if (noclip && !client->checkPrivilege("noclip"))
2840                 statustext += L" (note: no 'noclip' privilege)";
2841 }
2842
2843 void Game::toggleCinematic(float *statustext_time)
2844 {
2845         static const wchar_t *msg[] = { L"cinematic disabled", L"cinematic enabled" };
2846         bool cinematic = !g_settings->getBool("cinematic");
2847         g_settings->set("cinematic", bool_to_cstr(cinematic));
2848
2849         *statustext_time = 0;
2850         statustext = msg[cinematic];
2851 }
2852
2853 // Add WoW-style autorun by toggling continuous forward.
2854 void Game::toggleAutorun(float *statustext_time)
2855 {
2856         static const wchar_t *msg[] = { L"autorun disabled", L"autorun enabled" };
2857         bool autorun_enabled = !g_settings->getBool("continuous_forward");
2858         g_settings->set("continuous_forward", bool_to_cstr(autorun_enabled));
2859
2860         *statustext_time = 0;
2861         statustext = msg[autorun_enabled ? 1 : 0];
2862 }
2863
2864 void Game::toggleChat(float *statustext_time, bool *flag)
2865 {
2866         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2867
2868         *flag = !*flag;
2869         *statustext_time = 0;
2870         statustext = msg[*flag];
2871 }
2872
2873
2874 void Game::toggleHud(float *statustext_time, bool *flag)
2875 {
2876         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2877
2878         *flag = !*flag;
2879         *statustext_time = 0;
2880         statustext = msg[*flag];
2881         if (g_settings->getBool("enable_node_highlighting"))
2882                 client->setHighlighted(client->getHighlighted(), *flag);
2883 }
2884
2885 void Game::toggleMinimap(float *statustext_time, bool *flag,
2886         bool show_hud, bool shift_pressed)
2887 {
2888         if (!show_hud || !g_settings->getBool("enable_minimap"))
2889                 return;
2890
2891         if (shift_pressed) {
2892                 mapper->toggleMinimapShape();
2893                 return;
2894         }
2895
2896         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2897
2898         MinimapMode mode = MINIMAP_MODE_OFF;
2899         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2900                 mode = mapper->getMinimapMode();
2901                 mode = (MinimapMode)((int)mode + 1);
2902         }
2903
2904         *flag = true;
2905         switch (mode) {
2906                 case MINIMAP_MODE_SURFACEx1:
2907                         statustext = L"Minimap in surface mode, Zoom x1";
2908                         break;
2909                 case MINIMAP_MODE_SURFACEx2:
2910                         statustext = L"Minimap in surface mode, Zoom x2";
2911                         break;
2912                 case MINIMAP_MODE_SURFACEx4:
2913                         statustext = L"Minimap in surface mode, Zoom x4";
2914                         break;
2915                 case MINIMAP_MODE_RADARx1:
2916                         statustext = L"Minimap in radar mode, Zoom x1";
2917                         break;
2918                 case MINIMAP_MODE_RADARx2:
2919                         statustext = L"Minimap in radar mode, Zoom x2";
2920                         break;
2921                 case MINIMAP_MODE_RADARx4:
2922                         statustext = L"Minimap in radar mode, Zoom x4";
2923                         break;
2924                 default:
2925                         mode = MINIMAP_MODE_OFF;
2926                         *flag = false;
2927                         statustext = (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) ?
2928                                 L"Minimap hidden" : L"Minimap disabled by server";
2929         }
2930
2931         *statustext_time = 0;
2932         mapper->setMinimapMode(mode);
2933 }
2934
2935 void Game::toggleFog(float *statustext_time, bool *flag)
2936 {
2937         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2938
2939         *flag = !*flag;
2940         *statustext_time = 0;
2941         statustext = msg[*flag];
2942 }
2943
2944
2945 void Game::toggleDebug(float *statustext_time, bool *show_debug,
2946                 bool *show_profiler_graph)
2947 {
2948         // Initial / 3x toggle: Chat only
2949         // 1x toggle: Debug text with chat
2950         // 2x toggle: Debug text with profiler graph
2951         if (!*show_debug) {
2952                 *show_debug = true;
2953                 *show_profiler_graph = false;
2954                 statustext = L"Debug info shown";
2955         } else if (*show_profiler_graph) {
2956                 *show_debug = false;
2957                 *show_profiler_graph = false;
2958                 statustext = L"Debug info and profiler graph hidden";
2959         } else {
2960                 *show_profiler_graph = true;
2961                 statustext = L"Profiler graph shown";
2962         }
2963         *statustext_time = 0;
2964 }
2965
2966
2967 void Game::toggleUpdateCamera(float *statustext_time, bool *flag)
2968 {
2969         static const wchar_t *msg[] = {
2970                 L"Camera update enabled",
2971                 L"Camera update disabled"
2972         };
2973
2974         *flag = !*flag;
2975         *statustext_time = 0;
2976         statustext = msg[*flag];
2977 }
2978
2979
2980 void Game::toggleProfiler(float *statustext_time, u32 *profiler_current_page,
2981                 u32 profiler_max_page)
2982 {
2983         *profiler_current_page = (*profiler_current_page + 1) % (profiler_max_page + 1);
2984
2985         // FIXME: This updates the profiler with incomplete values
2986         update_profiler_gui(guitext_profiler, g_fontengine, *profiler_current_page,
2987                         profiler_max_page, driver->getScreenSize().Height);
2988
2989         if (*profiler_current_page != 0) {
2990                 std::wstringstream sstr;
2991                 sstr << "Profiler shown (page " << *profiler_current_page
2992                      << " of " << profiler_max_page << ")";
2993                 statustext = sstr.str();
2994         } else {
2995                 statustext = L"Profiler hidden";
2996         }
2997         *statustext_time = 0;
2998 }
2999
3000
3001 void Game::increaseViewRange(float *statustext_time)
3002 {
3003         s16 range = g_settings->getS16("viewing_range_nodes_min");
3004         s16 range_new = range + 10;
3005         g_settings->set("viewing_range_nodes_min", itos(range_new));
3006         statustext = utf8_to_wide("Minimum viewing range changed to "
3007                         + itos(range_new));
3008         *statustext_time = 0;
3009 }
3010
3011
3012 void Game::decreaseViewRange(float *statustext_time)
3013 {
3014         s16 range = g_settings->getS16("viewing_range_nodes_min");
3015         s16 range_new = range - 10;
3016
3017         if (range_new < 0)
3018                 range_new = range;
3019
3020         g_settings->set("viewing_range_nodes_min", itos(range_new));
3021         statustext = utf8_to_wide("Minimum viewing range changed to "
3022                         + itos(range_new));
3023         *statustext_time = 0;
3024 }
3025
3026
3027 void Game::toggleFullViewRange(float *statustext_time)
3028 {
3029         static const wchar_t *msg[] = {
3030                 L"Disabled full viewing range",
3031                 L"Enabled full viewing range"
3032         };
3033
3034         draw_control->range_all = !draw_control->range_all;
3035         infostream << msg[draw_control->range_all] << std::endl;
3036         statustext = msg[draw_control->range_all];
3037         *statustext_time = 0;
3038 }
3039
3040
3041 void Game::updateCameraDirection(CameraOrientation *cam,
3042                 VolatileRunFlags *flags)
3043 {
3044         if ((device->isWindowActive() && noMenuActive()) || random_input) {
3045
3046 #ifndef __ANDROID__
3047                 if (!random_input) {
3048                         // Mac OSX gets upset if this is set every frame
3049                         if (device->getCursorControl()->isVisible())
3050                                 device->getCursorControl()->setVisible(false);
3051                 }
3052 #endif
3053
3054                 if (flags->first_loop_after_window_activation)
3055                         flags->first_loop_after_window_activation = false;
3056                 else
3057                         updateCameraOrientation(cam, *flags);
3058
3059                 input->setMousePos((driver->getScreenSize().Width / 2),
3060                                 (driver->getScreenSize().Height / 2));
3061         } else {
3062
3063 #ifndef ANDROID
3064                 // Mac OSX gets upset if this is set every frame
3065                 if (device->getCursorControl()->isVisible() == false)
3066                         device->getCursorControl()->setVisible(true);
3067 #endif
3068
3069                 if (!flags->first_loop_after_window_activation)
3070                         flags->first_loop_after_window_activation = true;
3071
3072         }
3073 }
3074
3075
3076 void Game::updateCameraOrientation(CameraOrientation *cam,
3077                 const VolatileRunFlags &flags)
3078 {
3079 #ifdef HAVE_TOUCHSCREENGUI
3080         if (g_touchscreengui) {
3081                 cam->camera_yaw   = g_touchscreengui->getYaw();
3082                 cam->camera_pitch = g_touchscreengui->getPitch();
3083         } else {
3084 #endif
3085                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3086                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3087
3088                 if (flags.invert_mouse
3089                                 || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3090                         dy = -dy;
3091                 }
3092
3093                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3094                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3095
3096 #ifdef HAVE_TOUCHSCREENGUI
3097         }
3098 #endif
3099
3100         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3101 }
3102
3103
3104 void Game::updatePlayerControl(const CameraOrientation &cam)
3105 {
3106         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3107
3108         PlayerControl control(
3109                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD]),
3110                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]),
3111                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT]),
3112                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT]),
3113                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP]),
3114                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]),
3115                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]),
3116                 input->getLeftState(),
3117                 input->getRightState(),
3118                 cam.camera_pitch,
3119                 cam.camera_yaw
3120         );
3121
3122         u32 keypress_bits =
3123                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD])  & 0x1) << 0) |
3124                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]) & 0x1) << 1) |
3125                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT])     & 0x1) << 2) |
3126                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT])    & 0x1) << 3) |
3127                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])     & 0x1) << 4) |
3128                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]) & 0x1) << 5) |
3129                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK])    & 0x1) << 6) |
3130                         ( (u32)(input->getLeftState()                                        & 0x1) << 7) |
3131                         ( (u32)(input->getRightState()                                       & 0x1) << 8
3132                 );
3133
3134 #ifdef ANDROID
3135         /* For Android, simulate holding down AUX1 (fast move) if the user has
3136          * the fast_move setting toggled on. If there is an aux1 key defined for
3137          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3138          * not fast)
3139          */
3140         if (m_cache_hold_aux1) {
3141                 control.aux1 = control.aux1 ^ true;
3142                 keypress_bits ^= ((u32)(1U << 5));
3143         }
3144 #endif
3145
3146         client->setPlayerControl(control);
3147         LocalPlayer *player = client->getEnv().getLocalPlayer();
3148         player->keyPressed = keypress_bits;
3149
3150         //tt.stop();
3151 }
3152
3153
3154 inline void Game::step(f32 *dtime)
3155 {
3156         bool can_be_and_is_paused =
3157                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3158
3159         if (can_be_and_is_paused) {     // This is for a singleplayer server
3160                 *dtime = 0;             // No time passes
3161         } else {
3162                 if (server != NULL) {
3163                         //TimeTaker timer("server->step(dtime)");
3164                         server->step(*dtime);
3165                 }
3166
3167                 //TimeTaker timer("client.step(dtime)");
3168                 client->step(*dtime);
3169         }
3170 }
3171
3172
3173 void Game::processClientEvents(CameraOrientation *cam, float *damage_flash)
3174 {
3175         ClientEvent event = client->getClientEvent();
3176
3177         LocalPlayer *player = client->getEnv().getLocalPlayer();
3178
3179         for ( ; event.type != CE_NONE; event = client->getClientEvent()) {
3180
3181                 if (event.type == CE_PLAYER_DAMAGE &&
3182                                 client->getHP() != 0) {
3183                         //u16 damage = event.player_damage.amount;
3184                         //infostream<<"Player damage: "<<damage<<std::endl;
3185
3186                         *damage_flash += 100.0;
3187                         *damage_flash += 8.0 * event.player_damage.amount;
3188
3189                         player->hurt_tilt_timer = 1.5;
3190                         player->hurt_tilt_strength = event.player_damage.amount / 4;
3191                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 1.0, 4.0);
3192
3193                         MtEvent *e = new SimpleTriggerEvent("PlayerDamage");
3194                         gamedef->event()->put(e);
3195                 } else if (event.type == CE_PLAYER_FORCE_MOVE) {
3196                         cam->camera_yaw = event.player_force_move.yaw;
3197                         cam->camera_pitch = event.player_force_move.pitch;
3198                 } else if (event.type == CE_DEATHSCREEN) {
3199                         show_deathscreen(&current_formspec, client, gamedef, texture_src,
3200                                          device, client);
3201
3202                         chat_backend->addMessage(L"", L"You died.");
3203
3204                         /* Handle visualization */
3205                         *damage_flash = 0;
3206                         player->hurt_tilt_timer = 0;
3207                         player->hurt_tilt_strength = 0;
3208
3209                 } else if (event.type == CE_SHOW_FORMSPEC) {
3210                         FormspecFormSource *fs_src =
3211                                 new FormspecFormSource(*(event.show_formspec.formspec));
3212                         TextDestPlayerInventory *txt_dst =
3213                                 new TextDestPlayerInventory(client, *(event.show_formspec.formname));
3214
3215                         create_formspec_menu(&current_formspec, client, gamedef,
3216                                              texture_src, device, fs_src, txt_dst, client);
3217
3218                         delete(event.show_formspec.formspec);
3219                         delete(event.show_formspec.formname);
3220                 } else if ((event.type == CE_SPAWN_PARTICLE) ||
3221                                 (event.type == CE_ADD_PARTICLESPAWNER) ||
3222                                 (event.type == CE_DELETE_PARTICLESPAWNER)) {
3223                         client->getParticleManager()->handleParticleEvent(&event, gamedef,
3224                                         smgr, player);
3225                 } else if (event.type == CE_HUDADD) {
3226                         u32 id = event.hudadd.id;
3227
3228                         LocalPlayer *player = client->getEnv().getLocalPlayer();
3229                         HudElement *e = player->getHud(id);
3230
3231                         if (e != NULL) {
3232                                 delete event.hudadd.pos;
3233                                 delete event.hudadd.name;
3234                                 delete event.hudadd.scale;
3235                                 delete event.hudadd.text;
3236                                 delete event.hudadd.align;
3237                                 delete event.hudadd.offset;
3238                                 delete event.hudadd.world_pos;
3239                                 delete event.hudadd.size;
3240                                 continue;
3241                         }
3242
3243                         e = new HudElement;
3244                         e->type   = (HudElementType)event.hudadd.type;
3245                         e->pos    = *event.hudadd.pos;
3246                         e->name   = *event.hudadd.name;
3247                         e->scale  = *event.hudadd.scale;
3248                         e->text   = *event.hudadd.text;
3249                         e->number = event.hudadd.number;
3250                         e->item   = event.hudadd.item;
3251                         e->dir    = event.hudadd.dir;
3252                         e->align  = *event.hudadd.align;
3253                         e->offset = *event.hudadd.offset;
3254                         e->world_pos = *event.hudadd.world_pos;
3255                         e->size = *event.hudadd.size;
3256
3257                         u32 new_id = player->addHud(e);
3258                         //if this isn't true our huds aren't consistent
3259                         sanity_check(new_id == id);
3260
3261                         delete event.hudadd.pos;
3262                         delete event.hudadd.name;
3263                         delete event.hudadd.scale;
3264                         delete event.hudadd.text;
3265                         delete event.hudadd.align;
3266                         delete event.hudadd.offset;
3267                         delete event.hudadd.world_pos;
3268                         delete event.hudadd.size;
3269                 } else if (event.type == CE_HUDRM) {
3270                         HudElement *e = player->removeHud(event.hudrm.id);
3271
3272                         if (e != NULL)
3273                                 delete(e);
3274                 } else if (event.type == CE_HUDCHANGE) {
3275                         u32 id = event.hudchange.id;
3276                         HudElement *e = player->getHud(id);
3277
3278                         if (e == NULL) {
3279                                 delete event.hudchange.v3fdata;
3280                                 delete event.hudchange.v2fdata;
3281                                 delete event.hudchange.sdata;
3282                                 delete event.hudchange.v2s32data;
3283                                 continue;
3284                         }
3285
3286                         switch (event.hudchange.stat) {
3287                         case HUD_STAT_POS:
3288                                 e->pos = *event.hudchange.v2fdata;
3289                                 break;
3290
3291                         case HUD_STAT_NAME:
3292                                 e->name = *event.hudchange.sdata;
3293                                 break;
3294
3295                         case HUD_STAT_SCALE:
3296                                 e->scale = *event.hudchange.v2fdata;
3297                                 break;
3298
3299                         case HUD_STAT_TEXT:
3300                                 e->text = *event.hudchange.sdata;
3301                                 break;
3302
3303                         case HUD_STAT_NUMBER:
3304                                 e->number = event.hudchange.data;
3305                                 break;
3306
3307                         case HUD_STAT_ITEM:
3308                                 e->item = event.hudchange.data;
3309                                 break;
3310
3311                         case HUD_STAT_DIR:
3312                                 e->dir = event.hudchange.data;
3313                                 break;
3314
3315                         case HUD_STAT_ALIGN:
3316                                 e->align = *event.hudchange.v2fdata;
3317                                 break;
3318
3319                         case HUD_STAT_OFFSET:
3320                                 e->offset = *event.hudchange.v2fdata;
3321                                 break;
3322
3323                         case HUD_STAT_WORLD_POS:
3324                                 e->world_pos = *event.hudchange.v3fdata;
3325                                 break;
3326
3327                         case HUD_STAT_SIZE:
3328                                 e->size = *event.hudchange.v2s32data;
3329                                 break;
3330                         }
3331
3332                         delete event.hudchange.v3fdata;
3333                         delete event.hudchange.v2fdata;
3334                         delete event.hudchange.sdata;
3335                         delete event.hudchange.v2s32data;
3336                 } else if (event.type == CE_SET_SKY) {
3337                         sky->setVisible(false);
3338
3339                         if (skybox) {
3340                                 skybox->remove();
3341                                 skybox = NULL;
3342                         }
3343
3344                         // Handle according to type
3345                         if (*event.set_sky.type == "regular") {
3346                                 sky->setVisible(true);
3347                         } else if (*event.set_sky.type == "skybox" &&
3348                                         event.set_sky.params->size() == 6) {
3349                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3350                                 skybox = smgr->addSkyBoxSceneNode(
3351                                                  texture_src->getTextureForMesh((*event.set_sky.params)[0]),
3352                                                  texture_src->getTextureForMesh((*event.set_sky.params)[1]),
3353                                                  texture_src->getTextureForMesh((*event.set_sky.params)[2]),
3354                                                  texture_src->getTextureForMesh((*event.set_sky.params)[3]),
3355                                                  texture_src->getTextureForMesh((*event.set_sky.params)[4]),
3356                                                  texture_src->getTextureForMesh((*event.set_sky.params)[5]));
3357                         }
3358                         // Handle everything else as plain color
3359                         else {
3360                                 if (*event.set_sky.type != "plain")
3361                                         infostream << "Unknown sky type: "
3362                                                    << (*event.set_sky.type) << std::endl;
3363
3364                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3365                         }
3366
3367                         delete event.set_sky.bgcolor;
3368                         delete event.set_sky.type;
3369                         delete event.set_sky.params;
3370                 } else if (event.type == CE_OVERRIDE_DAY_NIGHT_RATIO) {
3371                         bool enable = event.override_day_night_ratio.do_override;
3372                         u32 value = event.override_day_night_ratio.ratio_f * 1000;
3373                         client->getEnv().setDayNightRatioOverride(enable, value);
3374                 }
3375         }
3376 }
3377
3378
3379 void Game::updateCamera(VolatileRunFlags *flags, u32 busy_time,
3380                 f32 dtime, float time_from_last_punch)
3381 {
3382         LocalPlayer *player = client->getEnv().getLocalPlayer();
3383
3384         /*
3385                 For interaction purposes, get info about the held item
3386                 - What item is it?
3387                 - Is it a usable item?
3388                 - Can it point to liquids?
3389         */
3390         ItemStack playeritem;
3391         {
3392                 InventoryList *mlist = local_inventory->getList("main");
3393
3394                 if (mlist && client->getPlayerItem() < mlist->getSize())
3395                         playeritem = mlist->getItem(client->getPlayerItem());
3396         }
3397
3398         ToolCapabilities playeritem_toolcap =
3399                 playeritem.getToolCapabilities(itemdef_manager);
3400
3401         v3s16 old_camera_offset = camera->getOffset();
3402
3403         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CAMERA_MODE])) {
3404                 GenericCAO *playercao = player->getCAO();
3405
3406                 // If playercao not loaded, don't change camera
3407                 if (playercao == NULL)
3408                         return;
3409
3410                 camera->toggleCameraMode();
3411
3412                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3413                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3414         }
3415
3416         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3417         float tool_reload_ratio = time_from_last_punch / full_punch_interval;
3418
3419         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3420         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio,
3421                       client->getEnv());
3422         camera->step(dtime);
3423
3424         v3f camera_position = camera->getPosition();
3425         v3f camera_direction = camera->getDirection();
3426         f32 camera_fov = camera->getFovMax();
3427         v3s16 camera_offset = camera->getOffset();
3428
3429         flags->camera_offset_changed = (camera_offset != old_camera_offset);
3430
3431         if (!flags->disable_camera_update) {
3432                 client->getEnv().getClientMap().updateCamera(camera_position,
3433                                 camera_direction, camera_fov, camera_offset);
3434
3435                 if (flags->camera_offset_changed) {
3436                         client->updateCameraOffset(camera_offset);
3437                         client->getEnv().updateCameraOffset(camera_offset);
3438
3439                         if (clouds)
3440                                 clouds->updateCameraOffset(camera_offset);
3441                 }
3442         }
3443 }
3444
3445
3446 void Game::updateSound(f32 dtime)
3447 {
3448         // Update sound listener
3449         v3s16 camera_offset = camera->getOffset();
3450         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3451                               v3f(0, 0, 0), // velocity
3452                               camera->getDirection(),
3453                               camera->getCameraNode()->getUpVector());
3454         sound->setListenerGain(g_settings->getFloat("sound_volume"));
3455
3456
3457         //      Update sound maker
3458         soundmaker->step(dtime);
3459
3460         LocalPlayer *player = client->getEnv().getLocalPlayer();
3461
3462         ClientMap &map = client->getEnv().getClientMap();
3463         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
3464         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3465 }
3466
3467
3468 void Game::processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
3469                 GameRunData *runData, f32 dtime, bool show_hud, bool show_debug)
3470 {
3471         LocalPlayer *player = client->getEnv().getLocalPlayer();
3472
3473         ItemStack playeritem;
3474         {
3475                 InventoryList *mlist = local_inventory->getList("main");
3476
3477                 if (mlist && client->getPlayerItem() < mlist->getSize())
3478                         playeritem = mlist->getItem(client->getPlayerItem());
3479         }
3480
3481         const ItemDefinition &playeritem_def =
3482                         playeritem.getDefinition(itemdef_manager);
3483
3484         v3f player_position  = player->getPosition();
3485         v3f camera_position  = camera->getPosition();
3486         v3f camera_direction = camera->getDirection();
3487         v3s16 camera_offset  = camera->getOffset();
3488
3489
3490         /*
3491                 Calculate what block is the crosshair pointing to
3492         */
3493
3494         f32 d = playeritem_def.range; // max. distance
3495         f32 d_hand = itemdef_manager->get("").range;
3496
3497         if (d < 0 && d_hand >= 0)
3498                 d = d_hand;
3499         else if (d < 0)
3500                 d = 4.0;
3501
3502         core::line3d<f32> shootline;
3503
3504         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3505
3506                 shootline = core::line3d<f32>(camera_position,
3507                                                 camera_position + camera_direction * BS * (d + 1));
3508
3509         } else {
3510             // prevent player pointing anything in front-view
3511                 if (camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT)
3512                         shootline = core::line3d<f32>(0, 0, 0, 0, 0, 0);
3513         }
3514
3515 #ifdef HAVE_TOUCHSCREENGUI
3516
3517         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3518                 shootline = g_touchscreengui->getShootline();
3519                 shootline.start += intToFloat(camera_offset, BS);
3520                 shootline.end += intToFloat(camera_offset, BS);
3521         }
3522
3523 #endif
3524
3525         PointedThing pointed = getPointedThing(
3526                         // input
3527                         client, player_position, camera_direction,
3528                         camera_position, shootline, d,
3529                         playeritem_def.liquids_pointable,
3530                         !runData->ldown_for_dig,
3531                         camera_offset,
3532                         // output
3533                         highlight_boxes,
3534                         runData->selected_object);
3535
3536         if (pointed != runData->pointed_old) {
3537                 infostream << "Pointing at " << pointed.dump() << std::endl;
3538
3539                 if (m_cache_enable_node_highlighting) {
3540                         if (pointed.type == POINTEDTHING_NODE) {
3541                                 client->setHighlighted(pointed.node_undersurface, show_hud);
3542                         } else {
3543                                 client->setHighlighted(pointed.node_undersurface, false);
3544                         }
3545                 }
3546         }
3547
3548         /*
3549                 Stop digging when
3550                 - releasing left mouse button
3551                 - pointing away from node
3552         */
3553         if (runData->digging) {
3554                 if (input->getLeftReleased()) {
3555                         infostream << "Left button released"
3556                                    << " (stopped digging)" << std::endl;
3557                         runData->digging = false;
3558                 } else if (pointed != runData->pointed_old) {
3559                         if (pointed.type == POINTEDTHING_NODE
3560                                         && runData->pointed_old.type == POINTEDTHING_NODE
3561                                         && pointed.node_undersurface
3562                                                         == runData->pointed_old.node_undersurface) {
3563                                 // Still pointing to the same node, but a different face.
3564                                 // Don't reset.
3565                         } else {
3566                                 infostream << "Pointing away from node"
3567                                            << " (stopped digging)" << std::endl;
3568                                 runData->digging = false;
3569                         }
3570                 }
3571
3572                 if (!runData->digging) {
3573                         client->interact(1, runData->pointed_old);
3574                         client->setCrack(-1, v3s16(0, 0, 0));
3575                         runData->dig_time = 0.0;
3576                 }
3577         }
3578
3579         if (!runData->digging && runData->ldown_for_dig && !input->getLeftState()) {
3580                 runData->ldown_for_dig = false;
3581         }
3582
3583         runData->left_punch = false;
3584
3585         soundmaker->m_player_leftpunch_sound.name = "";
3586
3587         if (input->getRightState())
3588                 runData->repeat_rightclick_timer += dtime;
3589         else
3590                 runData->repeat_rightclick_timer = 0;
3591
3592         if (playeritem_def.usable && input->getLeftState()) {
3593                 if (input->getLeftClicked())
3594                         client->interact(4, pointed);
3595         } else if (pointed.type == POINTEDTHING_NODE) {
3596                 ToolCapabilities playeritem_toolcap =
3597                                 playeritem.getToolCapabilities(itemdef_manager);
3598                 handlePointingAtNode(runData, pointed, playeritem_def,
3599                                 playeritem_toolcap, dtime);
3600         } else if (pointed.type == POINTEDTHING_OBJECT) {
3601                 handlePointingAtObject(runData, pointed, playeritem,
3602                                 player_position, show_debug);
3603         } else if (input->getLeftState()) {
3604                 // When button is held down in air, show continuous animation
3605                 runData->left_punch = true;
3606         }
3607
3608         runData->pointed_old = pointed;
3609
3610         if (runData->left_punch || input->getLeftClicked())
3611                 camera->setDigging(0); // left click animation
3612
3613         input->resetLeftClicked();
3614         input->resetRightClicked();
3615
3616         input->resetLeftReleased();
3617         input->resetRightReleased();
3618 }
3619
3620
3621 void Game::handlePointingAtNode(GameRunData *runData,
3622                 const PointedThing &pointed, const ItemDefinition &playeritem_def,
3623                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3624 {
3625         v3s16 nodepos = pointed.node_undersurface;
3626         v3s16 neighbourpos = pointed.node_abovesurface;
3627
3628         /*
3629                 Check information text of node
3630         */
3631
3632         ClientMap &map = client->getEnv().getClientMap();
3633         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3634
3635         if (meta) {
3636                 infotext = utf8_to_wide(meta->getString("infotext"));
3637         } else {
3638                 MapNode n = map.getNodeNoEx(nodepos);
3639
3640                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3641                         infotext = L"Unknown node: ";
3642                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3643                 }
3644         }
3645
3646         if (runData->nodig_delay_timer <= 0.0 && input->getLeftState()
3647                         && client->checkPrivilege("interact")) {
3648                 handleDigging(runData, pointed, nodepos, playeritem_toolcap, dtime);
3649         }
3650
3651         if ((input->getRightClicked() ||
3652                         runData->repeat_rightclick_timer >= m_repeat_right_click_time) &&
3653                         client->checkPrivilege("interact")) {
3654                 runData->repeat_rightclick_timer = 0;
3655                 infostream << "Ground right-clicked" << std::endl;
3656
3657                 if (meta && meta->getString("formspec") != "" && !random_input
3658                                 && !input->isKeyDown(getKeySetting("keymap_sneak"))) {
3659                         infostream << "Launching custom inventory view" << std::endl;
3660
3661                         InventoryLocation inventoryloc;
3662                         inventoryloc.setNodeMeta(nodepos);
3663
3664                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3665                                 &client->getEnv().getClientMap(), nodepos);
3666                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3667
3668                         create_formspec_menu(&current_formspec, client, gamedef,
3669                                              texture_src, device, fs_src, txt_dst, client);
3670
3671                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3672                 } else {
3673                         // Report right click to server
3674
3675                         camera->setDigging(1);  // right click animation (always shown for feedback)
3676
3677                         // If the wielded item has node placement prediction,
3678                         // make that happen
3679                         bool placed = nodePlacementPrediction(*client,
3680                                         playeritem_def,
3681                                         nodepos, neighbourpos);
3682
3683                         if (placed) {
3684                                 // Report to server
3685                                 client->interact(3, pointed);
3686                                 // Read the sound
3687                                 soundmaker->m_player_rightpunch_sound =
3688                                                 playeritem_def.sound_place;
3689                         } else {
3690                                 soundmaker->m_player_rightpunch_sound =
3691                                                 SimpleSoundSpec();
3692
3693                                 if (playeritem_def.node_placement_prediction == "" ||
3694                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3695                                         client->interact(3, pointed); // Report to server
3696                                 } else {
3697                                         soundmaker->m_player_rightpunch_sound =
3698                                                 playeritem_def.sound_place_failed;
3699                                 }
3700                         }
3701                 }
3702         }
3703 }
3704
3705
3706 void Game::handlePointingAtObject(GameRunData *runData,
3707                 const PointedThing &pointed,
3708                 const ItemStack &playeritem,
3709                 const v3f &player_position,
3710                 bool show_debug)
3711 {
3712         infotext = utf8_to_wide(runData->selected_object->infoText());
3713
3714         if (infotext == L"" && show_debug) {
3715                 infotext = utf8_to_wide(runData->selected_object->debugInfoText());
3716         }
3717
3718         if (input->getLeftState()) {
3719                 bool do_punch = false;
3720                 bool do_punch_damage = false;
3721
3722                 if (runData->object_hit_delay_timer <= 0.0) {
3723                         do_punch = true;
3724                         do_punch_damage = true;
3725                         runData->object_hit_delay_timer = object_hit_delay;
3726                 }
3727
3728                 if (input->getLeftClicked())
3729                         do_punch = true;
3730
3731                 if (do_punch) {
3732                         infostream << "Left-clicked object" << std::endl;
3733                         runData->left_punch = true;
3734                 }
3735
3736                 if (do_punch_damage) {
3737                         // Report direct punch
3738                         v3f objpos = runData->selected_object->getPosition();
3739                         v3f dir = (objpos - player_position).normalize();
3740
3741                         bool disable_send = runData->selected_object->directReportPunch(
3742                                         dir, &playeritem, runData->time_from_last_punch);
3743                         runData->time_from_last_punch = 0;
3744
3745                         if (!disable_send)
3746                                 client->interact(0, pointed);
3747                 }
3748         } else if (input->getRightClicked()) {
3749                 infostream << "Right-clicked object" << std::endl;
3750                 client->interact(3, pointed);  // place
3751         }
3752 }
3753
3754
3755 void Game::handleDigging(GameRunData *runData,
3756                 const PointedThing &pointed, const v3s16 &nodepos,
3757                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3758 {
3759         if (!runData->digging) {
3760                 infostream << "Started digging" << std::endl;
3761                 client->interact(0, pointed);
3762                 runData->digging = true;
3763                 runData->ldown_for_dig = true;
3764         }
3765
3766         LocalPlayer *player = client->getEnv().getLocalPlayer();
3767         ClientMap &map = client->getEnv().getClientMap();
3768         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3769
3770         // NOTE: Similar piece of code exists on the server side for
3771         // cheat detection.
3772         // Get digging parameters
3773         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3774                         &playeritem_toolcap);
3775
3776         // If can't dig, try hand
3777         if (!params.diggable) {
3778                 const ItemDefinition &hand = itemdef_manager->get("");
3779                 const ToolCapabilities *tp = hand.tool_capabilities;
3780
3781                 if (tp)
3782                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3783         }
3784
3785         if (params.diggable == false) {
3786                 // I guess nobody will wait for this long
3787                 runData->dig_time_complete = 10000000.0;
3788         } else {
3789                 runData->dig_time_complete = params.time;
3790
3791                 if (m_cache_enable_particles) {
3792                         const ContentFeatures &features =
3793                                         client->getNodeDefManager()->get(n);
3794                         client->getParticleManager()->addPunchingParticles(gamedef, smgr,
3795                                         player, nodepos, features.tiles);
3796                 }
3797         }
3798
3799         if (runData->dig_time_complete >= 0.001) {
3800                 runData->dig_index = (float)crack_animation_length
3801                                 * runData->dig_time
3802                                 / runData->dig_time_complete;
3803         } else {
3804                 // This is for torches
3805                 runData->dig_index = crack_animation_length;
3806         }
3807
3808         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3809
3810         if (sound_dig.exists() && params.diggable) {
3811                 if (sound_dig.name == "__group") {
3812                         if (params.main_group != "") {
3813                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3814                                 soundmaker->m_player_leftpunch_sound.name =
3815                                                 std::string("default_dig_") +
3816                                                 params.main_group;
3817                         }
3818                 } else {
3819                         soundmaker->m_player_leftpunch_sound = sound_dig;
3820                 }
3821         }
3822
3823         // Don't show cracks if not diggable
3824         if (runData->dig_time_complete >= 100000.0) {
3825         } else if (runData->dig_index < crack_animation_length) {
3826                 //TimeTaker timer("client.setTempMod");
3827                 //infostream<<"dig_index="<<dig_index<<std::endl;
3828                 client->setCrack(runData->dig_index, nodepos);
3829         } else {
3830                 infostream << "Digging completed" << std::endl;
3831                 client->interact(2, pointed);
3832                 client->setCrack(-1, v3s16(0, 0, 0));
3833                 bool is_valid_position;
3834                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
3835                 if (is_valid_position)
3836                         client->removeNode(nodepos);
3837
3838                 if (m_cache_enable_particles) {
3839                         const ContentFeatures &features =
3840                                 client->getNodeDefManager()->get(wasnode);
3841                         client->getParticleManager()->addDiggingParticles(gamedef, smgr,
3842                                         player, nodepos, features.tiles);
3843                 }
3844
3845                 runData->dig_time = 0;
3846                 runData->digging = false;
3847
3848                 runData->nodig_delay_timer =
3849                                 runData->dig_time_complete / (float)crack_animation_length;
3850
3851                 // We don't want a corresponding delay to
3852                 // very time consuming nodes
3853                 if (runData->nodig_delay_timer > 0.3)
3854                         runData->nodig_delay_timer = 0.3;
3855
3856                 // We want a slight delay to very little
3857                 // time consuming nodes
3858                 const float mindelay = 0.15;
3859
3860                 if (runData->nodig_delay_timer < mindelay)
3861                         runData->nodig_delay_timer = mindelay;
3862
3863                 // Send event to trigger sound
3864                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
3865                 gamedef->event()->put(e);
3866         }
3867
3868         if (runData->dig_time_complete < 100000.0) {
3869                 runData->dig_time += dtime;
3870         } else {
3871                 runData->dig_time = 0;
3872                 client->setCrack(-1, nodepos);
3873         }
3874
3875         camera->setDigging(0);  // left click animation
3876 }
3877
3878
3879 void Game::updateFrame(std::vector<aabb3f> &highlight_boxes,
3880                 ProfilerGraph *graph, RunStats *stats, GameRunData *runData,
3881                 f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam)
3882 {
3883         LocalPlayer *player = client->getEnv().getLocalPlayer();
3884
3885         /*
3886                 Fog range
3887         */
3888
3889         if (draw_control->range_all) {
3890                 runData->fog_range = 100000 * BS;
3891         } else {
3892                 runData->fog_range = draw_control->wanted_range * BS
3893                                 + 0.0 * MAP_BLOCKSIZE * BS;
3894                 runData->fog_range = MYMIN(
3895                                 runData->fog_range,
3896                                 (draw_control->farthest_drawn + 20) * BS);
3897                 runData->fog_range *= 0.9;
3898         }
3899
3900         /*
3901                 Calculate general brightness
3902         */
3903         u32 daynight_ratio = client->getEnv().getDayNightRatio();
3904         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
3905         float direct_brightness;
3906         bool sunlight_seen;
3907
3908         if (g_settings->getBool("free_move")) {
3909                 direct_brightness = time_brightness;
3910                 sunlight_seen = true;
3911         } else {
3912                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
3913                 float old_brightness = sky->getBrightness();
3914                 direct_brightness = client->getEnv().getClientMap()
3915                                 .getBackgroundBrightness(MYMIN(runData->fog_range * 1.2, 60 * BS),
3916                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
3917                                     / 255.0;
3918         }
3919
3920         float time_of_day = runData->time_of_day;
3921         float time_of_day_smooth = runData->time_of_day_smooth;
3922
3923         time_of_day = client->getEnv().getTimeOfDayF();
3924
3925         const float maxsm = 0.05;
3926         const float todsm = 0.05;
3927
3928         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
3929                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3930                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3931                 time_of_day_smooth = time_of_day;
3932
3933         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
3934                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3935                                 + (time_of_day + 1.0) * todsm;
3936         else
3937                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3938                                 + time_of_day * todsm;
3939
3940         runData->time_of_day = time_of_day;
3941         runData->time_of_day_smooth = time_of_day_smooth;
3942
3943         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3944                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
3945                         player->getPitch());
3946
3947         /*
3948                 Update clouds
3949         */
3950         if (clouds) {
3951                 v3f player_position = player->getPosition();
3952                 if (sky->getCloudsVisible()) {
3953                         clouds->setVisible(true);
3954                         clouds->step(dtime);
3955                         clouds->update(v2f(player_position.X, player_position.Z),
3956                                        sky->getCloudColor());
3957                 } else {
3958                         clouds->setVisible(false);
3959                 }
3960         }
3961
3962         /*
3963                 Update particles
3964         */
3965         client->getParticleManager()->step(dtime);
3966
3967         /*
3968                 Fog
3969         */
3970
3971         if (m_cache_enable_fog && !flags.force_fog_off) {
3972                 driver->setFog(
3973                                 sky->getBgColor(),
3974                                 video::EFT_FOG_LINEAR,
3975                                 runData->fog_range * 0.4,
3976                                 runData->fog_range * 1.0,
3977                                 0.01,
3978                                 false, // pixel fog
3979                                 false // range fog
3980                 );
3981         } else {
3982                 driver->setFog(
3983                                 sky->getBgColor(),
3984                                 video::EFT_FOG_LINEAR,
3985                                 100000 * BS,
3986                                 110000 * BS,
3987                                 0.01,
3988                                 false, // pixel fog
3989                                 false // range fog
3990                 );
3991         }
3992
3993         /*
3994                 Get chat messages from client
3995         */
3996
3997         v2u32 screensize = driver->getScreenSize();
3998
3999         updateChat(*client, dtime, flags.show_debug, screensize,
4000                         flags.show_chat, runData->profiler_current_page,
4001                         *chat_backend, guitext_chat);
4002
4003         /*
4004                 Inventory
4005         */
4006
4007         if (client->getPlayerItem() != runData->new_playeritem)
4008                 client->selectPlayerItem(runData->new_playeritem);
4009
4010         // Update local inventory if it has changed
4011         if (client->getLocalInventoryUpdated()) {
4012                 //infostream<<"Updating local inventory"<<std::endl;
4013                 client->getLocalInventory(*local_inventory);
4014                 runData->update_wielded_item_trigger = true;
4015         }
4016
4017         if (runData->update_wielded_item_trigger) {
4018                 // Update wielded tool
4019                 InventoryList *mlist = local_inventory->getList("main");
4020
4021                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4022                         ItemStack item = mlist->getItem(client->getPlayerItem());
4023                         camera->wield(item);
4024                 }
4025                 runData->update_wielded_item_trigger = false;
4026         }
4027
4028         /*
4029                 Update block draw list every 200ms or when camera direction has
4030                 changed much
4031         */
4032         runData->update_draw_list_timer += dtime;
4033
4034         v3f camera_direction = camera->getDirection();
4035         if (runData->update_draw_list_timer >= 0.2
4036                         || runData->update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4037                         || flags.camera_offset_changed) {
4038                 runData->update_draw_list_timer = 0;
4039                 client->getEnv().getClientMap().updateDrawList(driver);
4040                 runData->update_draw_list_last_cam_dir = camera_direction;
4041         }
4042
4043         updateGui(&runData->statustext_time, *stats, *runData, dtime, flags, cam);
4044
4045         /*
4046            make sure menu is on top
4047            1. Delete formspec menu reference if menu was removed
4048            2. Else, make sure formspec menu is on top
4049         */
4050         if (current_formspec) {
4051                 if (current_formspec->getReferenceCount() == 1) {
4052                         current_formspec->drop();
4053                         current_formspec = NULL;
4054                 } else if (!noMenuActive()) {
4055                         guiroot->bringToFront(current_formspec);
4056                 }
4057         }
4058
4059         /*
4060                 Drawing begins
4061         */
4062
4063         video::SColor skycolor = sky->getSkyColor();
4064
4065         TimeTaker tt_draw("mainloop: draw");
4066         {
4067                 TimeTaker timer("beginScene");
4068                 driver->beginScene(true, true, skycolor);
4069                 stats->beginscenetime = timer.stop(true);
4070         }
4071
4072         draw_scene(driver, smgr, *camera, *client, player, *hud, *mapper,
4073                         guienv, highlight_boxes, screensize, skycolor, flags.show_hud,
4074                         flags.show_minimap);
4075
4076         /*
4077                 Profiler graph
4078         */
4079         if (flags.show_profiler_graph)
4080                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4081
4082         /*
4083                 Damage flash
4084         */
4085         if (runData->damage_flash > 0.0) {
4086                 video::SColor color(std::min(runData->damage_flash, 180.0f),
4087                                 180,
4088                                 0,
4089                                 0);
4090                 driver->draw2DRectangle(color,
4091                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4092                                         NULL);
4093
4094                 runData->damage_flash -= 100.0 * dtime;
4095         }
4096
4097         /*
4098                 Damage camera tilt
4099         */
4100         if (player->hurt_tilt_timer > 0.0) {
4101                 player->hurt_tilt_timer -= dtime * 5;
4102
4103                 if (player->hurt_tilt_timer < 0)
4104                         player->hurt_tilt_strength = 0;
4105         }
4106
4107         /*
4108                 Update minimap pos and rotation
4109         */
4110         if (flags.show_minimap && flags.show_hud) {
4111                 mapper->setPos(floatToInt(player->getPosition(), BS));
4112                 mapper->setAngle(player->getYaw());
4113         }
4114
4115         /*
4116                 End scene
4117         */
4118         {
4119                 TimeTaker timer("endScene");
4120                 driver->endScene();
4121                 stats->endscenetime = timer.stop(true);
4122         }
4123
4124         stats->drawtime = tt_draw.stop(true);
4125         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4126 }
4127
4128
4129 inline static const char *yawToDirectionString(int yaw)
4130 {
4131         // NOTE: TODO: This can be done mathematically without the else/else-if
4132         // cascade.
4133
4134         const char *player_direction;
4135
4136         yaw = wrapDegrees_0_360(yaw);
4137
4138         if (yaw >= 45 && yaw < 135)
4139                 player_direction = "West [-X]";
4140         else if (yaw >= 135 && yaw < 225)
4141                 player_direction = "South [-Z]";
4142         else if (yaw >= 225 && yaw < 315)
4143                 player_direction = "East [+X]";
4144         else
4145                 player_direction = "North [+Z]";
4146
4147         return player_direction;
4148 }
4149
4150
4151 void Game::updateGui(float *statustext_time, const RunStats &stats,
4152                 const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
4153                 const CameraOrientation &cam)
4154 {
4155         v2u32 screensize = driver->getScreenSize();
4156         LocalPlayer *player = client->getEnv().getLocalPlayer();
4157         v3f player_position = player->getPosition();
4158
4159         if (flags.show_debug) {
4160                 static float drawtime_avg = 0;
4161                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4162
4163                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4164                 //s32 fps = driver->getFPS();
4165
4166                 std::ostringstream os(std::ios_base::binary);
4167                 os << std::fixed
4168                    << PROJECT_NAME_C " " << g_version_hash
4169                    << " FPS = " << fps
4170                    << " (R: range_all=" << draw_control->range_all << ")"
4171                    << std::setprecision(0)
4172                    << " drawtime = " << drawtime_avg
4173                    << std::setprecision(1)
4174                    << ", dtime_jitter = "
4175                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
4176                    << std::setprecision(1)
4177                    << ", v_range = " << draw_control->wanted_range
4178                    << std::setprecision(3)
4179                    << ", RTT = " << client->getRTT();
4180                 guitext->setText(utf8_to_wide(os.str()).c_str());
4181                 guitext->setVisible(true);
4182         } else if (flags.show_hud || flags.show_chat) {
4183                 std::ostringstream os(std::ios_base::binary);
4184                 os << PROJECT_NAME_C " " << g_version_hash;
4185                 guitext->setText(utf8_to_wide(os.str()).c_str());
4186                 guitext->setVisible(true);
4187         } else {
4188                 guitext->setVisible(false);
4189         }
4190
4191         if (guitext->isVisible()) {
4192                 core::rect<s32> rect(
4193                                 5,              5,
4194                                 screensize.X,   5 + g_fontengine->getTextHeight()
4195                 );
4196                 guitext->setRelativePosition(rect);
4197         }
4198
4199         if (flags.show_debug) {
4200                 std::ostringstream os(std::ios_base::binary);
4201                 os << std::setprecision(1) << std::fixed
4202                    << "(" << (player_position.X / BS)
4203                    << ", " << (player_position.Y / BS)
4204                    << ", " << (player_position.Z / BS)
4205                    << ") (yaw=" << (wrapDegrees_0_360(cam.camera_yaw))
4206                    << " " << yawToDirectionString(cam.camera_yaw)
4207                    << ") (seed = " << ((u64)client->getMapSeed())
4208                    << ")";
4209
4210                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4211                         ClientMap &map = client->getEnv().getClientMap();
4212                         const INodeDefManager *nodedef = client->getNodeDefManager();
4213                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4214                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4215                                 const ContentFeatures &features = nodedef->get(n);
4216                                 os << " (pointing_at = " << nodedef->get(n).name
4217                                    << " - " << features.tiledef[0].name.c_str()
4218                                    << ")";
4219                         }
4220                 }
4221
4222                 guitext2->setText(utf8_to_wide(os.str()).c_str());
4223                 guitext2->setVisible(true);
4224
4225                 core::rect<s32> rect(
4226                                 5,             5 + g_fontengine->getTextHeight(),
4227                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4228                 );
4229                 guitext2->setRelativePosition(rect);
4230         } else {
4231                 guitext2->setVisible(false);
4232         }
4233
4234         guitext_info->setText(infotext.c_str());
4235         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4236
4237         float statustext_time_max = 1.5;
4238
4239         if (!statustext.empty()) {
4240                 *statustext_time += dtime;
4241
4242                 if (*statustext_time >= statustext_time_max) {
4243                         statustext = L"";
4244                         *statustext_time = 0;
4245                 }
4246         }
4247
4248         guitext_status->setText(statustext.c_str());
4249         guitext_status->setVisible(!statustext.empty());
4250
4251         if (!statustext.empty()) {
4252                 s32 status_width  = guitext_status->getTextWidth();
4253                 s32 status_height = guitext_status->getTextHeight();
4254                 s32 status_y = screensize.Y - 150;
4255                 s32 status_x = (screensize.X - status_width) / 2;
4256                 core::rect<s32> rect(
4257                                 status_x , status_y - status_height,
4258                                 status_x + status_width, status_y
4259                 );
4260                 guitext_status->setRelativePosition(rect);
4261
4262                 // Fade out
4263                 video::SColor initial_color(255, 0, 0, 0);
4264
4265                 if (guienv->getSkin())
4266                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4267
4268                 video::SColor final_color = initial_color;
4269                 final_color.setAlpha(0);
4270                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4271                                 initial_color, final_color,
4272                                 pow(*statustext_time / statustext_time_max, 2.0f));
4273                 guitext_status->setOverrideColor(fade_color);
4274                 guitext_status->enableOverrideColor(true);
4275         }
4276 }
4277
4278
4279 /* Log times and stuff for visualization */
4280 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4281 {
4282         Profiler::GraphValues values;
4283         g_profiler->graphGet(values);
4284         graph->put(values);
4285 }
4286
4287
4288
4289 /****************************************************************************
4290  Misc
4291  ****************************************************************************/
4292
4293 /* On some computers framerate doesn't seem to be automatically limited
4294  */
4295 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4296 {
4297         // not using getRealTime is necessary for wine
4298         device->getTimer()->tick(); // Maker sure device time is up-to-date
4299         u32 time = device->getTimer()->getTime();
4300         u32 last_time = fps_timings->last_time;
4301
4302         if (time > last_time)  // Make sure time hasn't overflowed
4303                 fps_timings->busy_time = time - last_time;
4304         else
4305                 fps_timings->busy_time = 0;
4306
4307         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4308                         ? g_settings->getFloat("pause_fps_max")
4309                         : g_settings->getFloat("fps_max"));
4310
4311         if (fps_timings->busy_time < frametime_min) {
4312                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4313                 device->sleep(fps_timings->sleep_time);
4314         } else {
4315                 fps_timings->sleep_time = 0;
4316         }
4317
4318         /* Get the new value of the device timer. Note that device->sleep() may
4319          * not sleep for the entire requested time as sleep may be interrupted and
4320          * therefore it is arguably more accurate to get the new time from the
4321          * device rather than calculating it by adding sleep_time to time.
4322          */
4323
4324         device->getTimer()->tick(); // Update device timer
4325         time = device->getTimer()->getTime();
4326
4327         if (time > last_time)  // Make sure last_time hasn't overflowed
4328                 *dtime = (time - last_time) / 1000.0;
4329         else
4330                 *dtime = 0;
4331
4332         fps_timings->last_time = time;
4333 }
4334
4335 // Note: This will free (using delete[])! \p msg. If you want to use it later,
4336 // pass a copy of it to this function
4337 // Note: \p msg must be allocated using new (not malloc())
4338 void Game::showOverlayMessage(const wchar_t *msg, float dtime,
4339                 int percent, bool draw_clouds)
4340 {
4341         draw_load_screen(msg, device, guienv, dtime, percent, draw_clouds);
4342         delete[] msg;
4343 }
4344
4345 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4346 {
4347         ((Game *)data)->readSettings();
4348 }
4349
4350 void Game::readSettings()
4351 {
4352         m_cache_doubletap_jump            = g_settings->getBool("doubletap_jump");
4353         m_cache_enable_node_highlighting  = g_settings->getBool("enable_node_highlighting");
4354         m_cache_enable_clouds             = g_settings->getBool("enable_clouds");
4355         m_cache_enable_particles          = g_settings->getBool("enable_particles");
4356         m_cache_enable_fog                = g_settings->getBool("enable_fog");
4357         m_cache_mouse_sensitivity         = g_settings->getFloat("mouse_sensitivity");
4358         m_repeat_right_click_time         = g_settings->getFloat("repeat_rightclick_time");
4359
4360         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4361 }
4362
4363 /****************************************************************************/
4364 /****************************************************************************
4365  Shutdown / cleanup
4366  ****************************************************************************/
4367 /****************************************************************************/
4368
4369 void Game::extendedResourceCleanup()
4370 {
4371         // Extended resource accounting
4372         infostream << "Irrlicht resources after cleanup:" << std::endl;
4373         infostream << "\tRemaining meshes   : "
4374                    << device->getSceneManager()->getMeshCache()->getMeshCount() << std::endl;
4375         infostream << "\tRemaining textures : "
4376                    << driver->getTextureCount() << std::endl;
4377
4378         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4379                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4380                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4381                            << std::endl;
4382         }
4383
4384         clearTextureNameCache();
4385         infostream << "\tRemaining materials: "
4386                << driver-> getMaterialRendererCount()
4387                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4388 }
4389
4390
4391 /****************************************************************************/
4392 /****************************************************************************
4393  extern function for launching the game
4394  ****************************************************************************/
4395 /****************************************************************************/
4396
4397 void the_game(bool *kill,
4398                 bool random_input,
4399                 InputHandler *input,
4400                 IrrlichtDevice *device,
4401
4402                 const std::string &map_dir,
4403                 const std::string &playername,
4404                 const std::string &password,
4405                 const std::string &address,         // If empty local server is created
4406                 u16 port,
4407
4408                 std::string &error_message,
4409                 ChatBackend &chat_backend,
4410                 bool *reconnect_requested,
4411                 const SubgameSpec &gamespec,        // Used for local game
4412                 bool simple_singleplayer_mode)
4413 {
4414         Game game;
4415
4416         /* Make a copy of the server address because if a local singleplayer server
4417          * is created then this is updated and we don't want to change the value
4418          * passed to us by the calling function
4419          */
4420         std::string server_address = address;
4421
4422         try {
4423
4424                 if (game.startup(kill, random_input, input, device, map_dir,
4425                                 playername, password, &server_address, port, error_message,
4426                                 reconnect_requested, &chat_backend, gamespec,
4427                                 simple_singleplayer_mode)) {
4428                         game.run();
4429                         game.shutdown();
4430                 }
4431
4432         } catch (SerializationError &e) {
4433                 error_message = std::string("A serialization error occurred:\n")
4434                                 + e.what() + "\n\nThe server is probably "
4435                                 " running a different version of " PROJECT_NAME_C ".";
4436                 errorstream << error_message << std::endl;
4437         } catch (ServerError &e) {
4438                 error_message = e.what();
4439                 errorstream << "ServerError: " << error_message << std::endl;
4440         } catch (ModError &e) {
4441                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4442                 errorstream << "ModError: " << error_message << std::endl;
4443         }
4444 }