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 handlePointingAtNothing(GameRunData *runData, const ItemStack &playerItem);
1529         void handlePointingAtNode(GameRunData *runData,
1530                         const PointedThing &pointed, const ItemDefinition &playeritem_def,
1531                         const ToolCapabilities &playeritem_toolcap, f32 dtime);
1532         void handlePointingAtObject(GameRunData *runData,
1533                         const PointedThing &pointed, const ItemStack &playeritem,
1534                         const v3f &player_position, bool show_debug);
1535         void handleDigging(GameRunData *runData, const PointedThing &pointed,
1536                         const v3s16 &nodepos, const ToolCapabilities &playeritem_toolcap,
1537                         f32 dtime);
1538         void updateFrame(std::vector<aabb3f> &highlight_boxes, ProfilerGraph *graph,
1539                         RunStats *stats, GameRunData *runData,
1540                         f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam);
1541         void updateGui(float *statustext_time, const RunStats &stats,
1542                         const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
1543                         const CameraOrientation &cam);
1544         void updateProfilerGraphs(ProfilerGraph *graph);
1545
1546         // Misc
1547         void limitFps(FpsControl *fps_timings, f32 *dtime);
1548
1549         void showOverlayMessage(const wchar_t *msg, float dtime, int percent,
1550                         bool draw_clouds = true);
1551
1552         static void settingChangedCallback(const std::string &setting_name, void *data);
1553         void readSettings();
1554
1555 private:
1556         InputHandler *input;
1557
1558         Client *client;
1559         Server *server;
1560
1561         IWritableTextureSource *texture_src;
1562         IWritableShaderSource *shader_src;
1563
1564         // When created, these will be filled with data received from the server
1565         IWritableItemDefManager *itemdef_manager;
1566         IWritableNodeDefManager *nodedef_manager;
1567
1568         GameOnDemandSoundFetcher soundfetcher; // useful when testing
1569         ISoundManager *sound;
1570         bool sound_is_dummy;
1571         SoundMaker *soundmaker;
1572
1573         ChatBackend *chat_backend;
1574
1575         GUIFormSpecMenu *current_formspec;
1576
1577         EventManager *eventmgr;
1578         QuicktuneShortcutter *quicktune;
1579
1580         GUIChatConsole *gui_chat_console; // Free using ->Drop()
1581         MapDrawControl *draw_control;
1582         Camera *camera;
1583         Clouds *clouds;                   // Free using ->Drop()
1584         Sky *sky;                         // Free using ->Drop()
1585         Inventory *local_inventory;
1586         Hud *hud;
1587         Mapper *mapper;
1588
1589         /* 'cache'
1590            This class does take ownership/responsibily for cleaning up etc of any of
1591            these items (e.g. device)
1592         */
1593         IrrlichtDevice *device;
1594         video::IVideoDriver *driver;
1595         scene::ISceneManager *smgr;
1596         bool *kill;
1597         std::string *error_message;
1598         bool *reconnect_requested;
1599         IGameDef *gamedef;                     // Convenience (same as *client)
1600         scene::ISceneNode *skybox;
1601
1602         bool random_input;
1603         bool simple_singleplayer_mode;
1604         /* End 'cache' */
1605
1606         /* Pre-calculated values
1607          */
1608         int crack_animation_length;
1609
1610         /* GUI stuff
1611          */
1612         gui::IGUIStaticText *guitext;          // First line of debug text
1613         gui::IGUIStaticText *guitext2;         // Second line of debug text
1614         gui::IGUIStaticText *guitext_info;     // At the middle of the screen
1615         gui::IGUIStaticText *guitext_status;
1616         gui::IGUIStaticText *guitext_chat;         // Chat text
1617         gui::IGUIStaticText *guitext_profiler; // Profiler text
1618
1619         std::wstring infotext;
1620         std::wstring statustext;
1621
1622         KeyCache keycache;
1623
1624         IntervalLimiter profiler_interval;
1625
1626         /*
1627          * TODO: Local caching of settings is not optimal and should at some stage
1628          *       be updated to use a global settings object for getting thse values
1629          *       (as opposed to the this local caching). This can be addressed in
1630          *       a later release.
1631          */
1632         bool m_cache_doubletap_jump;
1633         bool m_cache_enable_node_highlighting;
1634         bool m_cache_enable_clouds;
1635         bool m_cache_enable_particles;
1636         bool m_cache_enable_fog;
1637         f32  m_cache_mouse_sensitivity;
1638         f32  m_repeat_right_click_time;
1639
1640 #ifdef __ANDROID__
1641         bool m_cache_hold_aux1;
1642 #endif
1643
1644 };
1645
1646 Game::Game() :
1647         client(NULL),
1648         server(NULL),
1649         texture_src(NULL),
1650         shader_src(NULL),
1651         itemdef_manager(NULL),
1652         nodedef_manager(NULL),
1653         sound(NULL),
1654         sound_is_dummy(false),
1655         soundmaker(NULL),
1656         chat_backend(NULL),
1657         current_formspec(NULL),
1658         eventmgr(NULL),
1659         quicktune(NULL),
1660         gui_chat_console(NULL),
1661         draw_control(NULL),
1662         camera(NULL),
1663         clouds(NULL),
1664         sky(NULL),
1665         local_inventory(NULL),
1666         hud(NULL),
1667         mapper(NULL)
1668 {
1669         g_settings->registerChangedCallback("doubletap_jump",
1670                 &settingChangedCallback, this);
1671         g_settings->registerChangedCallback("enable_node_highlighting",
1672                 &settingChangedCallback, this);
1673         g_settings->registerChangedCallback("enable_clouds",
1674                 &settingChangedCallback, this);
1675         g_settings->registerChangedCallback("enable_particles",
1676                 &settingChangedCallback, this);
1677         g_settings->registerChangedCallback("enable_fog",
1678                 &settingChangedCallback, this);
1679         g_settings->registerChangedCallback("mouse_sensitivity",
1680                 &settingChangedCallback, this);
1681         g_settings->registerChangedCallback("repeat_rightclick_time",
1682                 &settingChangedCallback, this);
1683
1684         readSettings();
1685
1686 #ifdef __ANDROID__
1687         m_cache_hold_aux1 = false;      // This is initialised properly later
1688 #endif
1689
1690 }
1691
1692
1693
1694 /****************************************************************************
1695  MinetestApp Public
1696  ****************************************************************************/
1697
1698 Game::~Game()
1699 {
1700         delete client;
1701         delete soundmaker;
1702         if (!sound_is_dummy)
1703                 delete sound;
1704
1705         delete server; // deleted first to stop all server threads
1706
1707         delete hud;
1708         delete local_inventory;
1709         delete camera;
1710         delete quicktune;
1711         delete eventmgr;
1712         delete texture_src;
1713         delete shader_src;
1714         delete nodedef_manager;
1715         delete itemdef_manager;
1716         delete draw_control;
1717
1718         extendedResourceCleanup();
1719
1720         g_settings->deregisterChangedCallback("doubletap_jump",
1721                 &settingChangedCallback, this);
1722         g_settings->deregisterChangedCallback("enable_node_highlighting",
1723                 &settingChangedCallback, this);
1724         g_settings->deregisterChangedCallback("enable_clouds",
1725                 &settingChangedCallback, this);
1726         g_settings->deregisterChangedCallback("enable_particles",
1727                 &settingChangedCallback, this);
1728         g_settings->deregisterChangedCallback("enable_fog",
1729                 &settingChangedCallback, this);
1730         g_settings->deregisterChangedCallback("mouse_sensitivity",
1731                 &settingChangedCallback, this);
1732         g_settings->deregisterChangedCallback("repeat_rightclick_time",
1733                 &settingChangedCallback, this);
1734 }
1735
1736 bool Game::startup(bool *kill,
1737                 bool random_input,
1738                 InputHandler *input,
1739                 IrrlichtDevice *device,
1740                 const std::string &map_dir,
1741                 const std::string &playername,
1742                 const std::string &password,
1743                 std::string *address,     // can change if simple_singleplayer_mode
1744                 u16 port,
1745                 std::string &error_message,
1746                 bool *reconnect,
1747                 ChatBackend *chat_backend,
1748                 const SubgameSpec &gamespec,
1749                 bool simple_singleplayer_mode)
1750 {
1751         // "cache"
1752         this->device              = device;
1753         this->kill                = kill;
1754         this->error_message       = &error_message;
1755         this->reconnect_requested = reconnect;
1756         this->random_input        = random_input;
1757         this->input               = input;
1758         this->chat_backend        = chat_backend;
1759         this->simple_singleplayer_mode = simple_singleplayer_mode;
1760
1761         driver              = device->getVideoDriver();
1762         smgr                = device->getSceneManager();
1763
1764         smgr->getParameters()->setAttribute(scene::OBJ_LOADER_IGNORE_MATERIAL_FILES, true);
1765
1766         if (!init(map_dir, address, port, gamespec))
1767                 return false;
1768
1769         if (!createClient(playername, password, address, port))
1770                 return false;
1771
1772         return true;
1773 }
1774
1775
1776 void Game::run()
1777 {
1778         ProfilerGraph graph;
1779         RunStats stats              = { 0 };
1780         CameraOrientation cam_view_target  = { 0 };
1781         CameraOrientation cam_view  = { 0 };
1782         GameRunData runData         = { 0 };
1783         FpsControl draw_times       = { 0 };
1784         VolatileRunFlags flags      = { 0 };
1785         f32 dtime; // in seconds
1786
1787         runData.time_from_last_punch  = 10.0;
1788         runData.profiler_max_page = 3;
1789         runData.update_wielded_item_trigger = true;
1790
1791         flags.show_chat = true;
1792         flags.show_hud = true;
1793         flags.show_minimap = g_settings->getBool("enable_minimap");
1794         flags.show_debug = g_settings->getBool("show_debug");
1795         flags.invert_mouse = g_settings->getBool("invert_mouse");
1796         flags.first_loop_after_window_activation = true;
1797
1798         /* Clear the profiler */
1799         Profiler::GraphValues dummyvalues;
1800         g_profiler->graphGet(dummyvalues);
1801
1802         draw_times.last_time = device->getTimer()->getTime();
1803
1804         shader_src->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1805                         sky,
1806                         &flags.force_fog_off,
1807                         &runData.fog_range,
1808                         client));
1809
1810         std::vector<aabb3f> highlight_boxes;
1811
1812         set_light_table(g_settings->getFloat("display_gamma"));
1813
1814 #ifdef __ANDROID__
1815         m_cache_hold_aux1 = g_settings->getBool("fast_move")
1816                         && client->checkPrivilege("fast");
1817 #endif
1818
1819         while (device->run() && !(*kill || g_gamecallback->shutdown_requested)) {
1820
1821                 /* Must be called immediately after a device->run() call because it
1822                  * uses device->getTimer()->getTime()
1823                  */
1824                 limitFps(&draw_times, &dtime);
1825
1826                 updateStats(&stats, draw_times, dtime);
1827                 updateInteractTimers(&runData, dtime);
1828
1829                 if (!checkConnection())
1830                         break;
1831                 if (!handleCallbacks())
1832                         break;
1833
1834                 processQueues();
1835
1836                 infotext = L"";
1837                 hud->resizeHotbar();
1838
1839                 updateProfilers(runData, stats, draw_times, dtime);
1840                 processUserInput(&flags, &runData, dtime);
1841                 // Update camera before player movement to avoid camera lag of one frame
1842                 updateCameraDirection(&cam_view_target, &flags);
1843                 float cam_smoothing = 0;
1844                 if (g_settings->getBool("cinematic"))
1845                         cam_smoothing = 1 - g_settings->getFloat("cinematic_camera_smoothing");
1846                 else
1847                         cam_smoothing = 1 - g_settings->getFloat("camera_smoothing");
1848                 cam_smoothing = rangelim(cam_smoothing, 0.01f, 1.0f);
1849                 cam_view.camera_yaw += (cam_view_target.camera_yaw -
1850                                 cam_view.camera_yaw) * cam_smoothing;
1851                 cam_view.camera_pitch += (cam_view_target.camera_pitch -
1852                                 cam_view.camera_pitch) * cam_smoothing;
1853                 updatePlayerControl(cam_view);
1854                 step(&dtime);
1855                 processClientEvents(&cam_view_target, &runData.damage_flash);
1856                 updateCamera(&flags, draw_times.busy_time, dtime,
1857                                 runData.time_from_last_punch);
1858                 updateSound(dtime);
1859                 processPlayerInteraction(highlight_boxes, &runData, dtime,
1860                                 flags.show_hud, flags.show_debug);
1861                 updateFrame(highlight_boxes, &graph, &stats, &runData, dtime,
1862                                 flags, cam_view);
1863                 updateProfilerGraphs(&graph);
1864
1865                 // Update if minimap has been disabled by the server
1866                 flags.show_minimap &= !client->isMinimapDisabledByServer();
1867         }
1868 }
1869
1870
1871 void Game::shutdown()
1872 {
1873         showOverlayMessage(wgettext("Shutting down..."), 0, 0, false);
1874
1875         if (clouds)
1876                 clouds->drop();
1877
1878         if (gui_chat_console)
1879                 gui_chat_console->drop();
1880
1881         if (sky)
1882                 sky->drop();
1883
1884         /* cleanup menus */
1885         while (g_menumgr.menuCount() > 0) {
1886                 g_menumgr.m_stack.front()->setVisible(false);
1887                 g_menumgr.deletingMenu(g_menumgr.m_stack.front());
1888         }
1889
1890         if (current_formspec) {
1891                 current_formspec->drop();
1892                 current_formspec = NULL;
1893         }
1894
1895         chat_backend->addMessage(L"", L"# Disconnected.");
1896         chat_backend->addMessage(L"", L"");
1897
1898         if (client) {
1899                 client->Stop();
1900                 while (!client->isShutdown()) {
1901                         assert(texture_src != NULL);
1902                         assert(shader_src != NULL);
1903                         texture_src->processQueue();
1904                         shader_src->processQueue();
1905                         sleep_ms(100);
1906                 }
1907         }
1908 }
1909
1910
1911 /****************************************************************************/
1912 /****************************************************************************
1913  Startup
1914  ****************************************************************************/
1915 /****************************************************************************/
1916
1917 bool Game::init(
1918                 const std::string &map_dir,
1919                 std::string *address,
1920                 u16 port,
1921                 const SubgameSpec &gamespec)
1922 {
1923         showOverlayMessage(wgettext("Loading..."), 0, 0);
1924
1925         texture_src = createTextureSource(device);
1926         shader_src = createShaderSource(device);
1927
1928         itemdef_manager = createItemDefManager();
1929         nodedef_manager = createNodeDefManager();
1930
1931         eventmgr = new EventManager();
1932         quicktune = new QuicktuneShortcutter();
1933
1934         if (!(texture_src && shader_src && itemdef_manager && nodedef_manager
1935                         && eventmgr && quicktune))
1936                 return false;
1937
1938         if (!initSound())
1939                 return false;
1940
1941         // Create a server if not connecting to an existing one
1942         if (*address == "") {
1943                 if (!createSingleplayerServer(map_dir, gamespec, port, address))
1944                         return false;
1945         }
1946
1947         return true;
1948 }
1949
1950 bool Game::initSound()
1951 {
1952 #if USE_SOUND
1953         if (g_settings->getBool("enable_sound")) {
1954                 infostream << "Attempting to use OpenAL audio" << std::endl;
1955                 sound = createOpenALSoundManager(&soundfetcher);
1956                 if (!sound)
1957                         infostream << "Failed to initialize OpenAL audio" << std::endl;
1958         } else
1959                 infostream << "Sound disabled." << std::endl;
1960 #endif
1961
1962         if (!sound) {
1963                 infostream << "Using dummy audio." << std::endl;
1964                 sound = &dummySoundManager;
1965                 sound_is_dummy = true;
1966         }
1967
1968         soundmaker = new SoundMaker(sound, nodedef_manager);
1969         if (!soundmaker)
1970                 return false;
1971
1972         soundmaker->registerReceiver(eventmgr);
1973
1974         return true;
1975 }
1976
1977 bool Game::createSingleplayerServer(const std::string map_dir,
1978                 const SubgameSpec &gamespec, u16 port, std::string *address)
1979 {
1980         showOverlayMessage(wgettext("Creating server..."), 0, 5);
1981
1982         std::string bind_str = g_settings->get("bind_address");
1983         Address bind_addr(0, 0, 0, 0, port);
1984
1985         if (g_settings->getBool("ipv6_server")) {
1986                 bind_addr.setAddress((IPv6AddressBytes *) NULL);
1987         }
1988
1989         try {
1990                 bind_addr.Resolve(bind_str.c_str());
1991         } catch (ResolveError &e) {
1992                 infostream << "Resolving bind address \"" << bind_str
1993                            << "\" failed: " << e.what()
1994                            << " -- Listening on all addresses." << std::endl;
1995         }
1996
1997         if (bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1998                 *error_message = "Unable to listen on " +
1999                                 bind_addr.serializeString() +
2000                                 " because IPv6 is disabled";
2001                 errorstream << *error_message << std::endl;
2002                 return false;
2003         }
2004
2005         server = new Server(map_dir, gamespec, simple_singleplayer_mode,
2006                             bind_addr.isIPv6());
2007
2008         server->start(bind_addr);
2009
2010         return true;
2011 }
2012
2013 bool Game::createClient(const std::string &playername,
2014                 const std::string &password, std::string *address, u16 port)
2015 {
2016         showOverlayMessage(wgettext("Creating client..."), 0, 10);
2017
2018         draw_control = new MapDrawControl;
2019         if (!draw_control)
2020                 return false;
2021
2022         bool could_connect, connect_aborted;
2023
2024         if (!connectToServer(playername, password, address, port,
2025                         &could_connect, &connect_aborted))
2026                 return false;
2027
2028         if (!could_connect) {
2029                 if (error_message->empty() && !connect_aborted) {
2030                         // Should not happen if error messages are set properly
2031                         *error_message = "Connection failed for unknown reason";
2032                         errorstream << *error_message << std::endl;
2033                 }
2034                 return false;
2035         }
2036
2037         if (!getServerContent(&connect_aborted)) {
2038                 if (error_message->empty() && !connect_aborted) {
2039                         // Should not happen if error messages are set properly
2040                         *error_message = "Connection failed for unknown reason";
2041                         errorstream << *error_message << std::endl;
2042                 }
2043                 return false;
2044         }
2045
2046         // Update cached textures, meshes and materials
2047         client->afterContentReceived(device);
2048
2049         /* Camera
2050          */
2051         camera = new Camera(smgr, *draw_control, gamedef);
2052         if (!camera || !camera->successfullyCreated(*error_message))
2053                 return false;
2054
2055         /* Clouds
2056          */
2057         if (m_cache_enable_clouds) {
2058                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
2059                 if (!clouds) {
2060                         *error_message = "Memory allocation error (clouds)";
2061                         errorstream << *error_message << std::endl;
2062                         return false;
2063                 }
2064         }
2065
2066         /* Skybox
2067          */
2068         sky = new Sky(smgr->getRootSceneNode(), smgr, -1, texture_src);
2069         skybox = NULL;  // This is used/set later on in the main run loop
2070
2071         local_inventory = new Inventory(itemdef_manager);
2072
2073         if (!(sky && local_inventory)) {
2074                 *error_message = "Memory allocation error (sky or local inventory)";
2075                 errorstream << *error_message << std::endl;
2076                 return false;
2077         }
2078
2079         /* Pre-calculated values
2080          */
2081         video::ITexture *t = texture_src->getTexture("crack_anylength.png");
2082         if (t) {
2083                 v2u32 size = t->getOriginalSize();
2084                 crack_animation_length = size.Y / size.X;
2085         } else {
2086                 crack_animation_length = 5;
2087         }
2088
2089         if (!initGui())
2090                 return false;
2091
2092         /* Set window caption
2093          */
2094         std::wstring str = utf8_to_wide(PROJECT_NAME_C);
2095         str += L" [";
2096         str += driver->getName();
2097         str += L"]";
2098         device->setWindowCaption(str.c_str());
2099
2100         LocalPlayer *player = client->getEnv().getLocalPlayer();
2101         player->hurt_tilt_timer = 0;
2102         player->hurt_tilt_strength = 0;
2103
2104         hud = new Hud(driver, smgr, guienv, gamedef, player, local_inventory);
2105
2106         if (!hud) {
2107                 *error_message = "Memory error: could not create HUD";
2108                 errorstream << *error_message << std::endl;
2109                 return false;
2110         }
2111
2112         mapper = client->getMapper();
2113         mapper->setMinimapMode(MINIMAP_MODE_OFF);
2114
2115         return true;
2116 }
2117
2118 bool Game::initGui()
2119 {
2120         // First line of debug text
2121         guitext = guienv->addStaticText(
2122                         utf8_to_wide(PROJECT_NAME_C).c_str(),
2123                         core::rect<s32>(0, 0, 0, 0),
2124                         false, false, guiroot);
2125
2126         // Second line of debug text
2127         guitext2 = guienv->addStaticText(
2128                         L"",
2129                         core::rect<s32>(0, 0, 0, 0),
2130                         false, false, guiroot);
2131
2132         // At the middle of the screen
2133         // Object infos are shown in this
2134         guitext_info = guienv->addStaticText(
2135                         L"",
2136                         core::rect<s32>(0, 0, 400, g_fontengine->getTextHeight() * 5 + 5) + v2s32(100, 200),
2137                         false, true, guiroot);
2138
2139         // Status text (displays info when showing and hiding GUI stuff, etc.)
2140         guitext_status = guienv->addStaticText(
2141                         L"<Status>",
2142                         core::rect<s32>(0, 0, 0, 0),
2143                         false, false, guiroot);
2144         guitext_status->setVisible(false);
2145
2146         // Chat text
2147         guitext_chat = guienv->addStaticText(
2148                         L"",
2149                         core::rect<s32>(0, 0, 0, 0),
2150                         //false, false); // Disable word wrap as of now
2151                         false, true, guiroot);
2152         // Remove stale "recent" chat messages from previous connections
2153         chat_backend->clearRecentChat();
2154
2155         // Chat backend and console
2156         gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(),
2157                         -1, chat_backend, client);
2158         if (!gui_chat_console) {
2159                 *error_message = "Could not allocate memory for chat console";
2160                 errorstream << *error_message << std::endl;
2161                 return false;
2162         }
2163
2164         // Profiler text (size is updated when text is updated)
2165         guitext_profiler = guienv->addStaticText(
2166                         L"<Profiler>",
2167                         core::rect<s32>(0, 0, 0, 0),
2168                         false, false, guiroot);
2169         guitext_profiler->setBackgroundColor(video::SColor(120, 0, 0, 0));
2170         guitext_profiler->setVisible(false);
2171         guitext_profiler->setWordWrap(true);
2172
2173 #ifdef HAVE_TOUCHSCREENGUI
2174
2175         if (g_touchscreengui)
2176                 g_touchscreengui->init(texture_src, porting::getDisplayDensity());
2177
2178 #endif
2179
2180         return true;
2181 }
2182
2183 bool Game::connectToServer(const std::string &playername,
2184                 const std::string &password, std::string *address, u16 port,
2185                 bool *connect_ok, bool *aborted)
2186 {
2187         *connect_ok = false;    // Let's not be overly optimistic
2188         *aborted = false;
2189         bool local_server_mode = false;
2190
2191         showOverlayMessage(wgettext("Resolving address..."), 0, 15);
2192
2193         Address connect_address(0, 0, 0, 0, port);
2194
2195         try {
2196                 connect_address.Resolve(address->c_str());
2197
2198                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
2199                         //connect_address.Resolve("localhost");
2200                         if (connect_address.isIPv6()) {
2201                                 IPv6AddressBytes addr_bytes;
2202                                 addr_bytes.bytes[15] = 1;
2203                                 connect_address.setAddress(&addr_bytes);
2204                         } else {
2205                                 connect_address.setAddress(127, 0, 0, 1);
2206                         }
2207                         local_server_mode = true;
2208                 }
2209         } catch (ResolveError &e) {
2210                 *error_message = std::string("Couldn't resolve address: ") + e.what();
2211                 errorstream << *error_message << std::endl;
2212                 return false;
2213         }
2214
2215         if (connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
2216                 *error_message = "Unable to connect to " +
2217                                 connect_address.serializeString() +
2218                                 " because IPv6 is disabled";
2219                 errorstream << *error_message << std::endl;
2220                 return false;
2221         }
2222
2223         client = new Client(device,
2224                         playername.c_str(), password,
2225                         *draw_control, texture_src, shader_src,
2226                         itemdef_manager, nodedef_manager, sound, eventmgr,
2227                         connect_address.isIPv6());
2228
2229         if (!client)
2230                 return false;
2231
2232         gamedef = client;       // Client acts as our GameDef
2233
2234         infostream << "Connecting to server at ";
2235         connect_address.print(&infostream);
2236         infostream << std::endl;
2237
2238         client->connect(connect_address, *address,
2239                 simple_singleplayer_mode || local_server_mode);
2240
2241         /*
2242                 Wait for server to accept connection
2243         */
2244
2245         try {
2246                 input->clear();
2247
2248                 FpsControl fps_control = { 0 };
2249                 f32 dtime;
2250                 f32 wait_time = 0; // in seconds
2251
2252                 fps_control.last_time = device->getTimer()->getTime();
2253
2254                 while (device->run()) {
2255
2256                         limitFps(&fps_control, &dtime);
2257
2258                         // Update client and server
2259                         client->step(dtime);
2260
2261                         if (server != NULL)
2262                                 server->step(dtime);
2263
2264                         // End condition
2265                         if (client->getState() == LC_Init) {
2266                                 *connect_ok = true;
2267                                 break;
2268                         }
2269
2270                         // Break conditions
2271                         if (client->accessDenied()) {
2272                                 *error_message = "Access denied. Reason: "
2273                                                 + client->accessDeniedReason();
2274                                 *reconnect_requested = client->reconnectRequested();
2275                                 errorstream << *error_message << std::endl;
2276                                 break;
2277                         }
2278
2279                         if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2280                                 *aborted = true;
2281                                 infostream << "Connect aborted [Escape]" << std::endl;
2282                                 break;
2283                         }
2284
2285                         wait_time += dtime;
2286                         // Only time out if we aren't waiting for the server we started
2287                         if ((*address != "") && (wait_time > 10)) {
2288                                 *error_message = "Connection timed out.";
2289                                 errorstream << *error_message << std::endl;
2290                                 break;
2291                         }
2292
2293                         // Update status
2294                         showOverlayMessage(wgettext("Connecting to server..."), dtime, 20);
2295                 }
2296         } catch (con::PeerNotFoundException &e) {
2297                 // TODO: Should something be done here? At least an info/error
2298                 // message?
2299                 return false;
2300         }
2301
2302         return true;
2303 }
2304
2305 bool Game::getServerContent(bool *aborted)
2306 {
2307         input->clear();
2308
2309         FpsControl fps_control = { 0 };
2310         f32 dtime; // in seconds
2311
2312         fps_control.last_time = device->getTimer()->getTime();
2313
2314         while (device->run()) {
2315
2316                 limitFps(&fps_control, &dtime);
2317
2318                 // Update client and server
2319                 client->step(dtime);
2320
2321                 if (server != NULL)
2322                         server->step(dtime);
2323
2324                 // End condition
2325                 if (client->mediaReceived() && client->itemdefReceived() &&
2326                                 client->nodedefReceived()) {
2327                         break;
2328                 }
2329
2330                 // Error conditions
2331                 if (!checkConnection())
2332                         return false;
2333
2334                 if (client->getState() < LC_Init) {
2335                         *error_message = "Client disconnected";
2336                         errorstream << *error_message << std::endl;
2337                         return false;
2338                 }
2339
2340                 if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2341                         *aborted = true;
2342                         infostream << "Connect aborted [Escape]" << std::endl;
2343                         return false;
2344                 }
2345
2346                 // Display status
2347                 int progress = 25;
2348
2349                 if (!client->itemdefReceived()) {
2350                         const wchar_t *text = wgettext("Item definitions...");
2351                         progress = 25;
2352                         draw_load_screen(text, device, guienv, dtime, progress);
2353                         delete[] text;
2354                 } else if (!client->nodedefReceived()) {
2355                         const wchar_t *text = wgettext("Node definitions...");
2356                         progress = 30;
2357                         draw_load_screen(text, device, guienv, dtime, progress);
2358                         delete[] text;
2359                 } else {
2360                         std::stringstream message;
2361                         message.precision(3);
2362                         message << gettext("Media...");
2363
2364                         if ((USE_CURL == 0) ||
2365                                         (!g_settings->getBool("enable_remote_media_server"))) {
2366                                 float cur = client->getCurRate();
2367                                 std::string cur_unit = gettext("KiB/s");
2368
2369                                 if (cur > 900) {
2370                                         cur /= 1024.0;
2371                                         cur_unit = gettext("MiB/s");
2372                                 }
2373
2374                                 message << " (" << cur << ' ' << cur_unit << ")";
2375                         }
2376
2377                         progress = 30 + client->mediaReceiveProgress() * 35 + 0.5;
2378                         draw_load_screen(utf8_to_wide(message.str()), device,
2379                                         guienv, dtime, progress);
2380                 }
2381         }
2382
2383         return true;
2384 }
2385
2386
2387 /****************************************************************************/
2388 /****************************************************************************
2389  Run
2390  ****************************************************************************/
2391 /****************************************************************************/
2392
2393 inline void Game::updateInteractTimers(GameRunData *runData, f32 dtime)
2394 {
2395         if (runData->nodig_delay_timer >= 0)
2396                 runData->nodig_delay_timer -= dtime;
2397
2398         if (runData->object_hit_delay_timer >= 0)
2399                 runData->object_hit_delay_timer -= dtime;
2400
2401         runData->time_from_last_punch += dtime;
2402 }
2403
2404
2405 /* returns false if game should exit, otherwise true
2406  */
2407 inline bool Game::checkConnection()
2408 {
2409         if (client->accessDenied()) {
2410                 *error_message = "Access denied. Reason: "
2411                                 + client->accessDeniedReason();
2412                 *reconnect_requested = client->reconnectRequested();
2413                 errorstream << *error_message << std::endl;
2414                 return false;
2415         }
2416
2417         return true;
2418 }
2419
2420
2421 /* returns false if game should exit, otherwise true
2422  */
2423 inline bool Game::handleCallbacks()
2424 {
2425         if (g_gamecallback->disconnect_requested) {
2426                 g_gamecallback->disconnect_requested = false;
2427                 return false;
2428         }
2429
2430         if (g_gamecallback->changepassword_requested) {
2431                 (new GUIPasswordChange(guienv, guiroot, -1,
2432                                        &g_menumgr, client))->drop();
2433                 g_gamecallback->changepassword_requested = false;
2434         }
2435
2436         if (g_gamecallback->changevolume_requested) {
2437                 (new GUIVolumeChange(guienv, guiroot, -1,
2438                                      &g_menumgr, client))->drop();
2439                 g_gamecallback->changevolume_requested = false;
2440         }
2441
2442         if (g_gamecallback->keyconfig_requested) {
2443                 (new GUIKeyChangeMenu(guienv, guiroot, -1,
2444                                       &g_menumgr))->drop();
2445                 g_gamecallback->keyconfig_requested = false;
2446         }
2447
2448         if (g_gamecallback->keyconfig_changed) {
2449                 keycache.populate(); // update the cache with new settings
2450                 g_gamecallback->keyconfig_changed = false;
2451         }
2452
2453         return true;
2454 }
2455
2456
2457 void Game::processQueues()
2458 {
2459         texture_src->processQueue();
2460         itemdef_manager->processQueue(gamedef);
2461         shader_src->processQueue();
2462 }
2463
2464
2465 void Game::updateProfilers(const GameRunData &runData, const RunStats &stats,
2466                 const FpsControl &draw_times, f32 dtime)
2467 {
2468         float profiler_print_interval =
2469                         g_settings->getFloat("profiler_print_interval");
2470         bool print_to_log = true;
2471
2472         if (profiler_print_interval == 0) {
2473                 print_to_log = false;
2474                 profiler_print_interval = 5;
2475         }
2476
2477         if (profiler_interval.step(dtime, profiler_print_interval)) {
2478                 if (print_to_log) {
2479                         infostream << "Profiler:" << std::endl;
2480                         g_profiler->print(infostream);
2481                 }
2482
2483                 update_profiler_gui(guitext_profiler, g_fontengine,
2484                                 runData.profiler_current_page, runData.profiler_max_page,
2485                                 driver->getScreenSize().Height);
2486
2487                 g_profiler->clear();
2488         }
2489
2490         addProfilerGraphs(stats, draw_times, dtime);
2491 }
2492
2493
2494 void Game::addProfilerGraphs(const RunStats &stats,
2495                 const FpsControl &draw_times, f32 dtime)
2496 {
2497         g_profiler->graphAdd("mainloop_other",
2498                         draw_times.busy_time / 1000.0f - stats.drawtime / 1000.0f);
2499
2500         if (draw_times.sleep_time != 0)
2501                 g_profiler->graphAdd("mainloop_sleep", draw_times.sleep_time / 1000.0f);
2502         g_profiler->graphAdd("mainloop_dtime", dtime);
2503
2504         g_profiler->add("Elapsed time", dtime);
2505         g_profiler->avg("FPS", 1. / dtime);
2506 }
2507
2508
2509 void Game::updateStats(RunStats *stats, const FpsControl &draw_times,
2510                 f32 dtime)
2511 {
2512
2513         f32 jitter;
2514         Jitter *jp;
2515
2516         /* Time average and jitter calculation
2517          */
2518         jp = &stats->dtime_jitter;
2519         jp->avg = jp->avg * 0.96 + dtime * 0.04;
2520
2521         jitter = dtime - jp->avg;
2522
2523         if (jitter > jp->max)
2524                 jp->max = jitter;
2525
2526         jp->counter += dtime;
2527
2528         if (jp->counter > 0.0) {
2529                 jp->counter -= 3.0;
2530                 jp->max_sample = jp->max;
2531                 jp->max_fraction = jp->max_sample / (jp->avg + 0.001);
2532                 jp->max = 0.0;
2533         }
2534
2535         /* Busytime average and jitter calculation
2536          */
2537         jp = &stats->busy_time_jitter;
2538         jp->avg = jp->avg + draw_times.busy_time * 0.02;
2539
2540         jitter = draw_times.busy_time - jp->avg;
2541
2542         if (jitter > jp->max)
2543                 jp->max = jitter;
2544         if (jitter < jp->min)
2545                 jp->min = jitter;
2546
2547         jp->counter += dtime;
2548
2549         if (jp->counter > 0.0) {
2550                 jp->counter -= 3.0;
2551                 jp->max_sample = jp->max;
2552                 jp->min_sample = jp->min;
2553                 jp->max = 0.0;
2554                 jp->min = 0.0;
2555         }
2556 }
2557
2558
2559
2560 /****************************************************************************
2561  Input handling
2562  ****************************************************************************/
2563
2564 void Game::processUserInput(VolatileRunFlags *flags,
2565                 GameRunData *runData, f32 dtime)
2566 {
2567         // Reset input if window not active or some menu is active
2568         if (device->isWindowActive() == false
2569                         || noMenuActive() == false
2570                         || guienv->hasFocus(gui_chat_console)) {
2571                 input->clear();
2572         }
2573
2574         if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen()) {
2575                 gui_chat_console->closeConsoleAtOnce();
2576         }
2577
2578         // Input handler step() (used by the random input generator)
2579         input->step(dtime);
2580
2581 #ifdef HAVE_TOUCHSCREENGUI
2582
2583         if (g_touchscreengui) {
2584                 g_touchscreengui->step(dtime);
2585         }
2586
2587 #endif
2588 #ifdef __ANDROID__
2589
2590         if (current_formspec != 0)
2591                 current_formspec->getAndroidUIInput();
2592
2593 #endif
2594
2595         // Increase timer for double tap of "keymap_jump"
2596         if (m_cache_doubletap_jump && runData->jump_timer <= 0.2)
2597                 runData->jump_timer += dtime;
2598
2599         processKeyboardInput(
2600                         flags,
2601                         &runData->statustext_time,
2602                         &runData->jump_timer,
2603                         &runData->reset_jump_timer,
2604                         &runData->profiler_current_page,
2605                         runData->profiler_max_page);
2606
2607         processItemSelection(&runData->new_playeritem);
2608 }
2609
2610
2611 void Game::processKeyboardInput(VolatileRunFlags *flags,
2612                 float *statustext_time,
2613                 float *jump_timer,
2614                 bool *reset_jump_timer,
2615                 u32 *profiler_current_page,
2616                 u32 profiler_max_page)
2617 {
2618
2619         //TimeTaker tt("process kybd input", NULL, PRECISION_NANO);
2620
2621         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DROP])) {
2622                 dropSelectedItem();
2623         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_AUTORUN])) {
2624                 toggleAutorun(statustext_time);
2625         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INVENTORY])) {
2626                 openInventory();
2627         } else if (input->wasKeyDown(EscapeKey) || input->wasKeyDown(CancelKey)) {
2628                 show_pause_menu(&current_formspec, client, gamedef, texture_src, device,
2629                                 simple_singleplayer_mode);
2630         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CHAT])) {
2631                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2632                                 client, "");
2633         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CMD])) {
2634                 show_chat_menu(&current_formspec, client, gamedef, texture_src, device,
2635                                 client, "/");
2636         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CONSOLE])) {
2637                 openConsole();
2638         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FREEMOVE])) {
2639                 toggleFreeMove(statustext_time);
2640         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])) {
2641                 toggleFreeMoveAlt(statustext_time, jump_timer);
2642                 *reset_jump_timer = true;
2643         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_FASTMOVE])) {
2644                 toggleFast(statustext_time);
2645         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_NOCLIP])) {
2646                 toggleNoClip(statustext_time);
2647         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CINEMATIC])) {
2648                 toggleCinematic(statustext_time);
2649         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_SCREENSHOT])) {
2650                 client->makeScreenshot(device);
2651         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_HUD])) {
2652                 toggleHud(statustext_time, &flags->show_hud);
2653         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_MINIMAP])) {
2654                 toggleMinimap(statustext_time, &flags->show_minimap, flags->show_hud,
2655                         input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]));
2656         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_CHAT])) {
2657                 toggleChat(statustext_time, &flags->show_chat);
2658         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_FORCE_FOG_OFF])) {
2659                 toggleFog(statustext_time, &flags->force_fog_off);
2660         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_UPDATE_CAMERA])) {
2661                 toggleUpdateCamera(statustext_time, &flags->disable_camera_update);
2662         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_DEBUG])) {
2663                 toggleDebug(statustext_time, &flags->show_debug, &flags->show_profiler_graph);
2664         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_TOGGLE_PROFILER])) {
2665                 toggleProfiler(statustext_time, profiler_current_page, profiler_max_page);
2666         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_INCREASE_VIEWING_RANGE])) {
2667                 increaseViewRange(statustext_time);
2668         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DECREASE_VIEWING_RANGE])) {
2669                 decreaseViewRange(statustext_time);
2670         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_RANGESELECT])) {
2671                 toggleFullViewRange(statustext_time);
2672         } else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_NEXT]))
2673                 quicktune->next();
2674         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_PREV]))
2675                 quicktune->prev();
2676         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_INC]))
2677                 quicktune->inc();
2678         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_QUICKTUNE_DEC]))
2679                 quicktune->dec();
2680         else if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_DEBUG_STACKS])) {
2681                 // Print debug stacks
2682                 dstream << "-----------------------------------------"
2683                         << std::endl;
2684                 dstream << "Printing debug stacks:" << std::endl;
2685                 dstream << "-----------------------------------------"
2686                         << std::endl;
2687                 debug_stacks_print();
2688         }
2689
2690         if (!input->isKeyDown(getKeySetting("keymap_jump")) && *reset_jump_timer) {
2691                 *reset_jump_timer = false;
2692                 *jump_timer = 0.0;
2693         }
2694
2695         //tt.stop();
2696
2697         if (quicktune->hasMessage()) {
2698                 std::string msg = quicktune->getMessage();
2699                 statustext = utf8_to_wide(msg);
2700                 *statustext_time = 0;
2701         }
2702 }
2703
2704
2705 void Game::processItemSelection(u16 *new_playeritem)
2706 {
2707         LocalPlayer *player = client->getEnv().getLocalPlayer();
2708
2709         /* Item selection using mouse wheel
2710          */
2711         *new_playeritem = client->getPlayerItem();
2712
2713         s32 wheel = input->getMouseWheel();
2714         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE - 1,
2715                                  player->hud_hotbar_itemcount - 1);
2716
2717         if (wheel < 0)
2718                 *new_playeritem = *new_playeritem < max_item ? *new_playeritem + 1 : 0;
2719         else if (wheel > 0)
2720                 *new_playeritem = *new_playeritem > 0 ? *new_playeritem - 1 : max_item;
2721         // else wheel == 0
2722
2723
2724         /* Item selection using keyboard
2725          */
2726         for (u16 i = 0; i < 10; i++) {
2727                 static const KeyPress *item_keys[10] = {
2728                         NumberKey + 1, NumberKey + 2, NumberKey + 3, NumberKey + 4,
2729                         NumberKey + 5, NumberKey + 6, NumberKey + 7, NumberKey + 8,
2730                         NumberKey + 9, NumberKey + 0,
2731                 };
2732
2733                 if (input->wasKeyDown(*item_keys[i])) {
2734                         if (i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount) {
2735                                 *new_playeritem = i;
2736                                 infostream << "Selected item: " << new_playeritem << std::endl;
2737                         }
2738                         break;
2739                 }
2740         }
2741 }
2742
2743
2744 void Game::dropSelectedItem()
2745 {
2746         IDropAction *a = new IDropAction();
2747         a->count = 0;
2748         a->from_inv.setCurrentPlayer();
2749         a->from_list = "main";
2750         a->from_i = client->getPlayerItem();
2751         client->inventoryAction(a);
2752 }
2753
2754
2755 void Game::openInventory()
2756 {
2757         /*
2758          * Don't permit to open inventory is CAO or player doesn't exists.
2759          * This prevent showing an empty inventory at player load
2760          */
2761
2762         LocalPlayer *player = client->getEnv().getLocalPlayer();
2763         if (player == NULL || player->getCAO() == NULL)
2764                 return;
2765
2766         infostream << "the_game: " << "Launching inventory" << std::endl;
2767
2768         PlayerInventoryFormSource *fs_src = new PlayerInventoryFormSource(client);
2769         TextDest *txt_dst = new TextDestPlayerInventory(client);
2770
2771         create_formspec_menu(&current_formspec, client, gamedef, texture_src,
2772                         device, fs_src, txt_dst, client);
2773
2774         InventoryLocation inventoryloc;
2775         inventoryloc.setCurrentPlayer();
2776         current_formspec->setFormSpec(fs_src->getForm(), inventoryloc);
2777 }
2778
2779
2780 void Game::openConsole()
2781 {
2782         if (!gui_chat_console->isOpenInhibited()) {
2783                 // Open up to over half of the screen
2784                 gui_chat_console->openConsole(0.6);
2785                 guienv->setFocus(gui_chat_console);
2786         }
2787 }
2788
2789
2790 void Game::toggleFreeMove(float *statustext_time)
2791 {
2792         static const wchar_t *msg[] = { L"free_move disabled", L"free_move enabled" };
2793
2794         bool free_move = !g_settings->getBool("free_move");
2795         g_settings->set("free_move", bool_to_cstr(free_move));
2796
2797         *statustext_time = 0;
2798         statustext = msg[free_move];
2799         if (free_move && !client->checkPrivilege("fly"))
2800                 statustext += L" (note: no 'fly' privilege)";
2801 }
2802
2803
2804 void Game::toggleFreeMoveAlt(float *statustext_time, float *jump_timer)
2805 {
2806         if (m_cache_doubletap_jump && *jump_timer < 0.2f)
2807                 toggleFreeMove(statustext_time);
2808 }
2809
2810
2811 void Game::toggleFast(float *statustext_time)
2812 {
2813         static const wchar_t *msg[] = { L"fast_move disabled", L"fast_move enabled" };
2814         bool fast_move = !g_settings->getBool("fast_move");
2815         g_settings->set("fast_move", bool_to_cstr(fast_move));
2816
2817         *statustext_time = 0;
2818         statustext = msg[fast_move];
2819
2820         bool has_fast_privs = client->checkPrivilege("fast");
2821
2822         if (fast_move && !has_fast_privs)
2823                 statustext += L" (note: no 'fast' privilege)";
2824
2825 #ifdef __ANDROID__
2826         m_cache_hold_aux1 = fast_move && has_fast_privs;
2827 #endif
2828 }
2829
2830
2831 void Game::toggleNoClip(float *statustext_time)
2832 {
2833         static const wchar_t *msg[] = { L"noclip disabled", L"noclip enabled" };
2834         bool noclip = !g_settings->getBool("noclip");
2835         g_settings->set("noclip", bool_to_cstr(noclip));
2836
2837         *statustext_time = 0;
2838         statustext = msg[noclip];
2839
2840         if (noclip && !client->checkPrivilege("noclip"))
2841                 statustext += L" (note: no 'noclip' privilege)";
2842 }
2843
2844 void Game::toggleCinematic(float *statustext_time)
2845 {
2846         static const wchar_t *msg[] = { L"cinematic disabled", L"cinematic enabled" };
2847         bool cinematic = !g_settings->getBool("cinematic");
2848         g_settings->set("cinematic", bool_to_cstr(cinematic));
2849
2850         *statustext_time = 0;
2851         statustext = msg[cinematic];
2852 }
2853
2854 // Add WoW-style autorun by toggling continuous forward.
2855 void Game::toggleAutorun(float *statustext_time)
2856 {
2857         static const wchar_t *msg[] = { L"autorun disabled", L"autorun enabled" };
2858         bool autorun_enabled = !g_settings->getBool("continuous_forward");
2859         g_settings->set("continuous_forward", bool_to_cstr(autorun_enabled));
2860
2861         *statustext_time = 0;
2862         statustext = msg[autorun_enabled ? 1 : 0];
2863 }
2864
2865 void Game::toggleChat(float *statustext_time, bool *flag)
2866 {
2867         static const wchar_t *msg[] = { L"Chat hidden", L"Chat shown" };
2868
2869         *flag = !*flag;
2870         *statustext_time = 0;
2871         statustext = msg[*flag];
2872 }
2873
2874
2875 void Game::toggleHud(float *statustext_time, bool *flag)
2876 {
2877         static const wchar_t *msg[] = { L"HUD hidden", L"HUD shown" };
2878
2879         *flag = !*flag;
2880         *statustext_time = 0;
2881         statustext = msg[*flag];
2882         if (g_settings->getBool("enable_node_highlighting"))
2883                 client->setHighlighted(client->getHighlighted(), *flag);
2884 }
2885
2886 void Game::toggleMinimap(float *statustext_time, bool *flag,
2887         bool show_hud, bool shift_pressed)
2888 {
2889         if (!show_hud || !g_settings->getBool("enable_minimap"))
2890                 return;
2891
2892         if (shift_pressed) {
2893                 mapper->toggleMinimapShape();
2894                 return;
2895         }
2896
2897         u32 hud_flags = client->getEnv().getLocalPlayer()->hud_flags;
2898
2899         MinimapMode mode = MINIMAP_MODE_OFF;
2900         if (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) {
2901                 mode = mapper->getMinimapMode();
2902                 mode = (MinimapMode)((int)mode + 1);
2903         }
2904
2905         *flag = true;
2906         switch (mode) {
2907                 case MINIMAP_MODE_SURFACEx1:
2908                         statustext = L"Minimap in surface mode, Zoom x1";
2909                         break;
2910                 case MINIMAP_MODE_SURFACEx2:
2911                         statustext = L"Minimap in surface mode, Zoom x2";
2912                         break;
2913                 case MINIMAP_MODE_SURFACEx4:
2914                         statustext = L"Minimap in surface mode, Zoom x4";
2915                         break;
2916                 case MINIMAP_MODE_RADARx1:
2917                         statustext = L"Minimap in radar mode, Zoom x1";
2918                         break;
2919                 case MINIMAP_MODE_RADARx2:
2920                         statustext = L"Minimap in radar mode, Zoom x2";
2921                         break;
2922                 case MINIMAP_MODE_RADARx4:
2923                         statustext = L"Minimap in radar mode, Zoom x4";
2924                         break;
2925                 default:
2926                         mode = MINIMAP_MODE_OFF;
2927                         *flag = false;
2928                         statustext = (hud_flags & HUD_FLAG_MINIMAP_VISIBLE) ?
2929                                 L"Minimap hidden" : L"Minimap disabled by server";
2930         }
2931
2932         *statustext_time = 0;
2933         mapper->setMinimapMode(mode);
2934 }
2935
2936 void Game::toggleFog(float *statustext_time, bool *flag)
2937 {
2938         static const wchar_t *msg[] = { L"Fog enabled", L"Fog disabled" };
2939
2940         *flag = !*flag;
2941         *statustext_time = 0;
2942         statustext = msg[*flag];
2943 }
2944
2945
2946 void Game::toggleDebug(float *statustext_time, bool *show_debug,
2947                 bool *show_profiler_graph)
2948 {
2949         // Initial / 3x toggle: Chat only
2950         // 1x toggle: Debug text with chat
2951         // 2x toggle: Debug text with profiler graph
2952         if (!*show_debug) {
2953                 *show_debug = true;
2954                 *show_profiler_graph = false;
2955                 statustext = L"Debug info shown";
2956         } else if (*show_profiler_graph) {
2957                 *show_debug = false;
2958                 *show_profiler_graph = false;
2959                 statustext = L"Debug info and profiler graph hidden";
2960         } else {
2961                 *show_profiler_graph = true;
2962                 statustext = L"Profiler graph shown";
2963         }
2964         *statustext_time = 0;
2965 }
2966
2967
2968 void Game::toggleUpdateCamera(float *statustext_time, bool *flag)
2969 {
2970         static const wchar_t *msg[] = {
2971                 L"Camera update enabled",
2972                 L"Camera update disabled"
2973         };
2974
2975         *flag = !*flag;
2976         *statustext_time = 0;
2977         statustext = msg[*flag];
2978 }
2979
2980
2981 void Game::toggleProfiler(float *statustext_time, u32 *profiler_current_page,
2982                 u32 profiler_max_page)
2983 {
2984         *profiler_current_page = (*profiler_current_page + 1) % (profiler_max_page + 1);
2985
2986         // FIXME: This updates the profiler with incomplete values
2987         update_profiler_gui(guitext_profiler, g_fontengine, *profiler_current_page,
2988                         profiler_max_page, driver->getScreenSize().Height);
2989
2990         if (*profiler_current_page != 0) {
2991                 std::wstringstream sstr;
2992                 sstr << "Profiler shown (page " << *profiler_current_page
2993                      << " of " << profiler_max_page << ")";
2994                 statustext = sstr.str();
2995         } else {
2996                 statustext = L"Profiler hidden";
2997         }
2998         *statustext_time = 0;
2999 }
3000
3001
3002 void Game::increaseViewRange(float *statustext_time)
3003 {
3004         s16 range = g_settings->getS16("viewing_range_nodes_min");
3005         s16 range_new = range + 10;
3006         g_settings->set("viewing_range_nodes_min", itos(range_new));
3007         statustext = utf8_to_wide("Minimum viewing range changed to "
3008                         + itos(range_new));
3009         *statustext_time = 0;
3010 }
3011
3012
3013 void Game::decreaseViewRange(float *statustext_time)
3014 {
3015         s16 range = g_settings->getS16("viewing_range_nodes_min");
3016         s16 range_new = range - 10;
3017
3018         if (range_new < 0)
3019                 range_new = range;
3020
3021         g_settings->set("viewing_range_nodes_min", itos(range_new));
3022         statustext = utf8_to_wide("Minimum viewing range changed to "
3023                         + itos(range_new));
3024         *statustext_time = 0;
3025 }
3026
3027
3028 void Game::toggleFullViewRange(float *statustext_time)
3029 {
3030         static const wchar_t *msg[] = {
3031                 L"Disabled full viewing range",
3032                 L"Enabled full viewing range"
3033         };
3034
3035         draw_control->range_all = !draw_control->range_all;
3036         infostream << msg[draw_control->range_all] << std::endl;
3037         statustext = msg[draw_control->range_all];
3038         *statustext_time = 0;
3039 }
3040
3041
3042 void Game::updateCameraDirection(CameraOrientation *cam,
3043                 VolatileRunFlags *flags)
3044 {
3045         if ((device->isWindowActive() && noMenuActive()) || random_input) {
3046
3047 #ifndef __ANDROID__
3048                 if (!random_input) {
3049                         // Mac OSX gets upset if this is set every frame
3050                         if (device->getCursorControl()->isVisible())
3051                                 device->getCursorControl()->setVisible(false);
3052                 }
3053 #endif
3054
3055                 if (flags->first_loop_after_window_activation)
3056                         flags->first_loop_after_window_activation = false;
3057                 else
3058                         updateCameraOrientation(cam, *flags);
3059
3060                 input->setMousePos((driver->getScreenSize().Width / 2),
3061                                 (driver->getScreenSize().Height / 2));
3062         } else {
3063
3064 #ifndef ANDROID
3065                 // Mac OSX gets upset if this is set every frame
3066                 if (device->getCursorControl()->isVisible() == false)
3067                         device->getCursorControl()->setVisible(true);
3068 #endif
3069
3070                 if (!flags->first_loop_after_window_activation)
3071                         flags->first_loop_after_window_activation = true;
3072
3073         }
3074 }
3075
3076
3077 void Game::updateCameraOrientation(CameraOrientation *cam,
3078                 const VolatileRunFlags &flags)
3079 {
3080 #ifdef HAVE_TOUCHSCREENGUI
3081         if (g_touchscreengui) {
3082                 cam->camera_yaw   = g_touchscreengui->getYaw();
3083                 cam->camera_pitch = g_touchscreengui->getPitch();
3084         } else {
3085 #endif
3086                 s32 dx = input->getMousePos().X - (driver->getScreenSize().Width / 2);
3087                 s32 dy = input->getMousePos().Y - (driver->getScreenSize().Height / 2);
3088
3089                 if (flags.invert_mouse
3090                                 || camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT) {
3091                         dy = -dy;
3092                 }
3093
3094                 cam->camera_yaw   -= dx * m_cache_mouse_sensitivity;
3095                 cam->camera_pitch += dy * m_cache_mouse_sensitivity;
3096
3097 #ifdef HAVE_TOUCHSCREENGUI
3098         }
3099 #endif
3100
3101         cam->camera_pitch = rangelim(cam->camera_pitch, -89.5, 89.5);
3102 }
3103
3104
3105 void Game::updatePlayerControl(const CameraOrientation &cam)
3106 {
3107         //TimeTaker tt("update player control", NULL, PRECISION_NANO);
3108
3109         PlayerControl control(
3110                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD]),
3111                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]),
3112                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT]),
3113                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT]),
3114                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP]),
3115                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]),
3116                 input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK]),
3117                 input->getLeftState(),
3118                 input->getRightState(),
3119                 cam.camera_pitch,
3120                 cam.camera_yaw
3121         );
3122
3123         u32 keypress_bits =
3124                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_FORWARD])  & 0x1) << 0) |
3125                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_BACKWARD]) & 0x1) << 1) |
3126                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_LEFT])     & 0x1) << 2) |
3127                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_RIGHT])    & 0x1) << 3) |
3128                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_JUMP])     & 0x1) << 4) |
3129                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SPECIAL1]) & 0x1) << 5) |
3130                         ( (u32)(input->isKeyDown(keycache.key[KeyCache::KEYMAP_ID_SNEAK])    & 0x1) << 6) |
3131                         ( (u32)(input->getLeftState()                                        & 0x1) << 7) |
3132                         ( (u32)(input->getRightState()                                       & 0x1) << 8
3133                 );
3134
3135 #ifdef ANDROID
3136         /* For Android, simulate holding down AUX1 (fast move) if the user has
3137          * the fast_move setting toggled on. If there is an aux1 key defined for
3138          * Android then its meaning is inverted (i.e. holding aux1 means walk and
3139          * not fast)
3140          */
3141         if (m_cache_hold_aux1) {
3142                 control.aux1 = control.aux1 ^ true;
3143                 keypress_bits ^= ((u32)(1U << 5));
3144         }
3145 #endif
3146
3147         client->setPlayerControl(control);
3148         LocalPlayer *player = client->getEnv().getLocalPlayer();
3149         player->keyPressed = keypress_bits;
3150
3151         //tt.stop();
3152 }
3153
3154
3155 inline void Game::step(f32 *dtime)
3156 {
3157         bool can_be_and_is_paused =
3158                         (simple_singleplayer_mode && g_menumgr.pausesGame());
3159
3160         if (can_be_and_is_paused) {     // This is for a singleplayer server
3161                 *dtime = 0;             // No time passes
3162         } else {
3163                 if (server != NULL) {
3164                         //TimeTaker timer("server->step(dtime)");
3165                         server->step(*dtime);
3166                 }
3167
3168                 //TimeTaker timer("client.step(dtime)");
3169                 client->step(*dtime);
3170         }
3171 }
3172
3173
3174 void Game::processClientEvents(CameraOrientation *cam, float *damage_flash)
3175 {
3176         ClientEvent event = client->getClientEvent();
3177
3178         LocalPlayer *player = client->getEnv().getLocalPlayer();
3179
3180         for ( ; event.type != CE_NONE; event = client->getClientEvent()) {
3181
3182                 if (event.type == CE_PLAYER_DAMAGE &&
3183                                 client->getHP() != 0) {
3184                         //u16 damage = event.player_damage.amount;
3185                         //infostream<<"Player damage: "<<damage<<std::endl;
3186
3187                         *damage_flash += 100.0;
3188                         *damage_flash += 8.0 * event.player_damage.amount;
3189
3190                         player->hurt_tilt_timer = 1.5;
3191                         player->hurt_tilt_strength = event.player_damage.amount / 4;
3192                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 1.0, 4.0);
3193
3194                         MtEvent *e = new SimpleTriggerEvent("PlayerDamage");
3195                         gamedef->event()->put(e);
3196                 } else if (event.type == CE_PLAYER_FORCE_MOVE) {
3197                         cam->camera_yaw = event.player_force_move.yaw;
3198                         cam->camera_pitch = event.player_force_move.pitch;
3199                 } else if (event.type == CE_DEATHSCREEN) {
3200                         show_deathscreen(&current_formspec, client, gamedef, texture_src,
3201                                          device, client);
3202
3203                         chat_backend->addMessage(L"", L"You died.");
3204
3205                         /* Handle visualization */
3206                         *damage_flash = 0;
3207                         player->hurt_tilt_timer = 0;
3208                         player->hurt_tilt_strength = 0;
3209
3210                 } else if (event.type == CE_SHOW_FORMSPEC) {
3211                         FormspecFormSource *fs_src =
3212                                 new FormspecFormSource(*(event.show_formspec.formspec));
3213                         TextDestPlayerInventory *txt_dst =
3214                                 new TextDestPlayerInventory(client, *(event.show_formspec.formname));
3215
3216                         create_formspec_menu(&current_formspec, client, gamedef,
3217                                              texture_src, device, fs_src, txt_dst, client);
3218
3219                         delete(event.show_formspec.formspec);
3220                         delete(event.show_formspec.formname);
3221                 } else if ((event.type == CE_SPAWN_PARTICLE) ||
3222                                 (event.type == CE_ADD_PARTICLESPAWNER) ||
3223                                 (event.type == CE_DELETE_PARTICLESPAWNER)) {
3224                         client->getParticleManager()->handleParticleEvent(&event, gamedef,
3225                                         smgr, player);
3226                 } else if (event.type == CE_HUDADD) {
3227                         u32 id = event.hudadd.id;
3228
3229                         LocalPlayer *player = client->getEnv().getLocalPlayer();
3230                         HudElement *e = player->getHud(id);
3231
3232                         if (e != NULL) {
3233                                 delete event.hudadd.pos;
3234                                 delete event.hudadd.name;
3235                                 delete event.hudadd.scale;
3236                                 delete event.hudadd.text;
3237                                 delete event.hudadd.align;
3238                                 delete event.hudadd.offset;
3239                                 delete event.hudadd.world_pos;
3240                                 delete event.hudadd.size;
3241                                 continue;
3242                         }
3243
3244                         e = new HudElement;
3245                         e->type   = (HudElementType)event.hudadd.type;
3246                         e->pos    = *event.hudadd.pos;
3247                         e->name   = *event.hudadd.name;
3248                         e->scale  = *event.hudadd.scale;
3249                         e->text   = *event.hudadd.text;
3250                         e->number = event.hudadd.number;
3251                         e->item   = event.hudadd.item;
3252                         e->dir    = event.hudadd.dir;
3253                         e->align  = *event.hudadd.align;
3254                         e->offset = *event.hudadd.offset;
3255                         e->world_pos = *event.hudadd.world_pos;
3256                         e->size = *event.hudadd.size;
3257
3258                         u32 new_id = player->addHud(e);
3259                         //if this isn't true our huds aren't consistent
3260                         sanity_check(new_id == id);
3261
3262                         delete event.hudadd.pos;
3263                         delete event.hudadd.name;
3264                         delete event.hudadd.scale;
3265                         delete event.hudadd.text;
3266                         delete event.hudadd.align;
3267                         delete event.hudadd.offset;
3268                         delete event.hudadd.world_pos;
3269                         delete event.hudadd.size;
3270                 } else if (event.type == CE_HUDRM) {
3271                         HudElement *e = player->removeHud(event.hudrm.id);
3272
3273                         if (e != NULL)
3274                                 delete(e);
3275                 } else if (event.type == CE_HUDCHANGE) {
3276                         u32 id = event.hudchange.id;
3277                         HudElement *e = player->getHud(id);
3278
3279                         if (e == NULL) {
3280                                 delete event.hudchange.v3fdata;
3281                                 delete event.hudchange.v2fdata;
3282                                 delete event.hudchange.sdata;
3283                                 delete event.hudchange.v2s32data;
3284                                 continue;
3285                         }
3286
3287                         switch (event.hudchange.stat) {
3288                         case HUD_STAT_POS:
3289                                 e->pos = *event.hudchange.v2fdata;
3290                                 break;
3291
3292                         case HUD_STAT_NAME:
3293                                 e->name = *event.hudchange.sdata;
3294                                 break;
3295
3296                         case HUD_STAT_SCALE:
3297                                 e->scale = *event.hudchange.v2fdata;
3298                                 break;
3299
3300                         case HUD_STAT_TEXT:
3301                                 e->text = *event.hudchange.sdata;
3302                                 break;
3303
3304                         case HUD_STAT_NUMBER:
3305                                 e->number = event.hudchange.data;
3306                                 break;
3307
3308                         case HUD_STAT_ITEM:
3309                                 e->item = event.hudchange.data;
3310                                 break;
3311
3312                         case HUD_STAT_DIR:
3313                                 e->dir = event.hudchange.data;
3314                                 break;
3315
3316                         case HUD_STAT_ALIGN:
3317                                 e->align = *event.hudchange.v2fdata;
3318                                 break;
3319
3320                         case HUD_STAT_OFFSET:
3321                                 e->offset = *event.hudchange.v2fdata;
3322                                 break;
3323
3324                         case HUD_STAT_WORLD_POS:
3325                                 e->world_pos = *event.hudchange.v3fdata;
3326                                 break;
3327
3328                         case HUD_STAT_SIZE:
3329                                 e->size = *event.hudchange.v2s32data;
3330                                 break;
3331                         }
3332
3333                         delete event.hudchange.v3fdata;
3334                         delete event.hudchange.v2fdata;
3335                         delete event.hudchange.sdata;
3336                         delete event.hudchange.v2s32data;
3337                 } else if (event.type == CE_SET_SKY) {
3338                         sky->setVisible(false);
3339
3340                         if (skybox) {
3341                                 skybox->remove();
3342                                 skybox = NULL;
3343                         }
3344
3345                         // Handle according to type
3346                         if (*event.set_sky.type == "regular") {
3347                                 sky->setVisible(true);
3348                         } else if (*event.set_sky.type == "skybox" &&
3349                                         event.set_sky.params->size() == 6) {
3350                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3351                                 skybox = smgr->addSkyBoxSceneNode(
3352                                                  texture_src->getTextureForMesh((*event.set_sky.params)[0]),
3353                                                  texture_src->getTextureForMesh((*event.set_sky.params)[1]),
3354                                                  texture_src->getTextureForMesh((*event.set_sky.params)[2]),
3355                                                  texture_src->getTextureForMesh((*event.set_sky.params)[3]),
3356                                                  texture_src->getTextureForMesh((*event.set_sky.params)[4]),
3357                                                  texture_src->getTextureForMesh((*event.set_sky.params)[5]));
3358                         }
3359                         // Handle everything else as plain color
3360                         else {
3361                                 if (*event.set_sky.type != "plain")
3362                                         infostream << "Unknown sky type: "
3363                                                    << (*event.set_sky.type) << std::endl;
3364
3365                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
3366                         }
3367
3368                         delete event.set_sky.bgcolor;
3369                         delete event.set_sky.type;
3370                         delete event.set_sky.params;
3371                 } else if (event.type == CE_OVERRIDE_DAY_NIGHT_RATIO) {
3372                         bool enable = event.override_day_night_ratio.do_override;
3373                         u32 value = event.override_day_night_ratio.ratio_f * 1000;
3374                         client->getEnv().setDayNightRatioOverride(enable, value);
3375                 }
3376         }
3377 }
3378
3379
3380 void Game::updateCamera(VolatileRunFlags *flags, u32 busy_time,
3381                 f32 dtime, float time_from_last_punch)
3382 {
3383         LocalPlayer *player = client->getEnv().getLocalPlayer();
3384
3385         /*
3386                 For interaction purposes, get info about the held item
3387                 - What item is it?
3388                 - Is it a usable item?
3389                 - Can it point to liquids?
3390         */
3391         ItemStack playeritem;
3392         {
3393                 InventoryList *mlist = local_inventory->getList("main");
3394
3395                 if (mlist && client->getPlayerItem() < mlist->getSize())
3396                         playeritem = mlist->getItem(client->getPlayerItem());
3397         }
3398
3399         ToolCapabilities playeritem_toolcap =
3400                 playeritem.getToolCapabilities(itemdef_manager);
3401
3402         v3s16 old_camera_offset = camera->getOffset();
3403
3404         if (input->wasKeyDown(keycache.key[KeyCache::KEYMAP_ID_CAMERA_MODE])) {
3405                 GenericCAO *playercao = player->getCAO();
3406
3407                 // If playercao not loaded, don't change camera
3408                 if (playercao == NULL)
3409                         return;
3410
3411                 camera->toggleCameraMode();
3412
3413                 playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3414                 playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
3415         }
3416
3417         float full_punch_interval = playeritem_toolcap.full_punch_interval;
3418         float tool_reload_ratio = time_from_last_punch / full_punch_interval;
3419
3420         tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
3421         camera->update(player, dtime, busy_time / 1000.0f, tool_reload_ratio,
3422                       client->getEnv());
3423         camera->step(dtime);
3424
3425         v3f camera_position = camera->getPosition();
3426         v3f camera_direction = camera->getDirection();
3427         f32 camera_fov = camera->getFovMax();
3428         v3s16 camera_offset = camera->getOffset();
3429
3430         flags->camera_offset_changed = (camera_offset != old_camera_offset);
3431
3432         if (!flags->disable_camera_update) {
3433                 client->getEnv().getClientMap().updateCamera(camera_position,
3434                                 camera_direction, camera_fov, camera_offset);
3435
3436                 if (flags->camera_offset_changed) {
3437                         client->updateCameraOffset(camera_offset);
3438                         client->getEnv().updateCameraOffset(camera_offset);
3439
3440                         if (clouds)
3441                                 clouds->updateCameraOffset(camera_offset);
3442                 }
3443         }
3444 }
3445
3446
3447 void Game::updateSound(f32 dtime)
3448 {
3449         // Update sound listener
3450         v3s16 camera_offset = camera->getOffset();
3451         sound->updateListener(camera->getCameraNode()->getPosition() + intToFloat(camera_offset, BS),
3452                               v3f(0, 0, 0), // velocity
3453                               camera->getDirection(),
3454                               camera->getCameraNode()->getUpVector());
3455         sound->setListenerGain(g_settings->getFloat("sound_volume"));
3456
3457
3458         //      Update sound maker
3459         soundmaker->step(dtime);
3460
3461         LocalPlayer *player = client->getEnv().getLocalPlayer();
3462
3463         ClientMap &map = client->getEnv().getClientMap();
3464         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
3465         soundmaker->m_player_step_sound = nodedef_manager->get(n).sound_footstep;
3466 }
3467
3468
3469 void Game::processPlayerInteraction(std::vector<aabb3f> &highlight_boxes,
3470                 GameRunData *runData, f32 dtime, bool show_hud, bool show_debug)
3471 {
3472         LocalPlayer *player = client->getEnv().getLocalPlayer();
3473
3474         ItemStack playeritem;
3475         {
3476                 InventoryList *mlist = local_inventory->getList("main");
3477
3478                 if (mlist && client->getPlayerItem() < mlist->getSize())
3479                         playeritem = mlist->getItem(client->getPlayerItem());
3480         }
3481
3482         const ItemDefinition &playeritem_def =
3483                         playeritem.getDefinition(itemdef_manager);
3484
3485         v3f player_position  = player->getPosition();
3486         v3f camera_position  = camera->getPosition();
3487         v3f camera_direction = camera->getDirection();
3488         v3s16 camera_offset  = camera->getOffset();
3489
3490
3491         /*
3492                 Calculate what block is the crosshair pointing to
3493         */
3494
3495         f32 d = playeritem_def.range; // max. distance
3496         f32 d_hand = itemdef_manager->get("").range;
3497
3498         if (d < 0 && d_hand >= 0)
3499                 d = d_hand;
3500         else if (d < 0)
3501                 d = 4.0;
3502
3503         core::line3d<f32> shootline;
3504
3505         if (camera->getCameraMode() != CAMERA_MODE_THIRD_FRONT) {
3506
3507                 shootline = core::line3d<f32>(camera_position,
3508                                                 camera_position + camera_direction * BS * (d + 1));
3509
3510         } else {
3511             // prevent player pointing anything in front-view
3512                 if (camera->getCameraMode() == CAMERA_MODE_THIRD_FRONT)
3513                         shootline = core::line3d<f32>(0, 0, 0, 0, 0, 0);
3514         }
3515
3516 #ifdef HAVE_TOUCHSCREENGUI
3517
3518         if ((g_settings->getBool("touchtarget")) && (g_touchscreengui)) {
3519                 shootline = g_touchscreengui->getShootline();
3520                 shootline.start += intToFloat(camera_offset, BS);
3521                 shootline.end += intToFloat(camera_offset, BS);
3522         }
3523
3524 #endif
3525
3526         PointedThing pointed = getPointedThing(
3527                         // input
3528                         client, player_position, camera_direction,
3529                         camera_position, shootline, d,
3530                         playeritem_def.liquids_pointable,
3531                         !runData->ldown_for_dig,
3532                         camera_offset,
3533                         // output
3534                         highlight_boxes,
3535                         runData->selected_object);
3536
3537         if (pointed != runData->pointed_old) {
3538                 infostream << "Pointing at " << pointed.dump() << std::endl;
3539
3540                 if (m_cache_enable_node_highlighting) {
3541                         if (pointed.type == POINTEDTHING_NODE) {
3542                                 client->setHighlighted(pointed.node_undersurface, show_hud);
3543                         } else {
3544                                 client->setHighlighted(pointed.node_undersurface, false);
3545                         }
3546                 }
3547         }
3548
3549         /*
3550                 Stop digging when
3551                 - releasing left mouse button
3552                 - pointing away from node
3553         */
3554         if (runData->digging) {
3555                 if (input->getLeftReleased()) {
3556                         infostream << "Left button released"
3557                                    << " (stopped digging)" << std::endl;
3558                         runData->digging = false;
3559                 } else if (pointed != runData->pointed_old) {
3560                         if (pointed.type == POINTEDTHING_NODE
3561                                         && runData->pointed_old.type == POINTEDTHING_NODE
3562                                         && pointed.node_undersurface
3563                                                         == runData->pointed_old.node_undersurface) {
3564                                 // Still pointing to the same node, but a different face.
3565                                 // Don't reset.
3566                         } else {
3567                                 infostream << "Pointing away from node"
3568                                            << " (stopped digging)" << std::endl;
3569                                 runData->digging = false;
3570                         }
3571                 }
3572
3573                 if (!runData->digging) {
3574                         client->interact(1, runData->pointed_old);
3575                         client->setCrack(-1, v3s16(0, 0, 0));
3576                         runData->dig_time = 0.0;
3577                 }
3578         }
3579
3580         if (!runData->digging && runData->ldown_for_dig && !input->getLeftState()) {
3581                 runData->ldown_for_dig = false;
3582         }
3583
3584         runData->left_punch = false;
3585
3586         soundmaker->m_player_leftpunch_sound.name = "";
3587
3588         if (input->getRightState())
3589                 runData->repeat_rightclick_timer += dtime;
3590         else
3591                 runData->repeat_rightclick_timer = 0;
3592
3593         if (playeritem_def.usable && input->getLeftState()) {
3594                 if (input->getLeftClicked())
3595                         client->interact(4, pointed);
3596         } else if (pointed.type == POINTEDTHING_NODE) {
3597                 ToolCapabilities playeritem_toolcap =
3598                                 playeritem.getToolCapabilities(itemdef_manager);
3599                 handlePointingAtNode(runData, pointed, playeritem_def,
3600                                 playeritem_toolcap, dtime);
3601         } else if (pointed.type == POINTEDTHING_OBJECT) {
3602                 handlePointingAtObject(runData, pointed, playeritem,
3603                                 player_position, show_debug);
3604         } else if (input->getLeftState()) {
3605                 // When button is held down in air, show continuous animation
3606                 runData->left_punch = true;
3607         } else if (input->getRightClicked()) {
3608                 handlePointingAtNothing(runData, playeritem);
3609         }
3610
3611         runData->pointed_old = pointed;
3612
3613         if (runData->left_punch || input->getLeftClicked())
3614                 camera->setDigging(0); // left click animation
3615
3616         input->resetLeftClicked();
3617         input->resetRightClicked();
3618
3619         input->resetLeftReleased();
3620         input->resetRightReleased();
3621 }
3622
3623
3624 void Game::handlePointingAtNothing(GameRunData *runData, const ItemStack &playerItem)
3625 {
3626         infostream << "Right Clicked in Air" << std::endl;
3627         PointedThing fauxPointed;
3628         fauxPointed.type = POINTEDTHING_NOTHING;
3629         client->interact(5, fauxPointed);
3630 }
3631
3632
3633 void Game::handlePointingAtNode(GameRunData *runData,
3634                 const PointedThing &pointed, const ItemDefinition &playeritem_def,
3635                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3636 {
3637         v3s16 nodepos = pointed.node_undersurface;
3638         v3s16 neighbourpos = pointed.node_abovesurface;
3639
3640         /*
3641                 Check information text of node
3642         */
3643
3644         ClientMap &map = client->getEnv().getClientMap();
3645         NodeMetadata *meta = map.getNodeMetadata(nodepos);
3646
3647         if (meta) {
3648                 infotext = utf8_to_wide(meta->getString("infotext"));
3649         } else {
3650                 MapNode n = map.getNodeNoEx(nodepos);
3651
3652                 if (nodedef_manager->get(n).tiledef[0].name == "unknown_node.png") {
3653                         infotext = L"Unknown node: ";
3654                         infotext += utf8_to_wide(nodedef_manager->get(n).name);
3655                 }
3656         }
3657
3658         if (runData->nodig_delay_timer <= 0.0 && input->getLeftState()
3659                         && client->checkPrivilege("interact")) {
3660                 handleDigging(runData, pointed, nodepos, playeritem_toolcap, dtime);
3661         }
3662
3663         if ((input->getRightClicked() ||
3664                         runData->repeat_rightclick_timer >= m_repeat_right_click_time) &&
3665                         client->checkPrivilege("interact")) {
3666                 runData->repeat_rightclick_timer = 0;
3667                 infostream << "Ground right-clicked" << std::endl;
3668
3669                 if (meta && meta->getString("formspec") != "" && !random_input
3670                                 && !input->isKeyDown(getKeySetting("keymap_sneak"))) {
3671                         infostream << "Launching custom inventory view" << std::endl;
3672
3673                         InventoryLocation inventoryloc;
3674                         inventoryloc.setNodeMeta(nodepos);
3675
3676                         NodeMetadataFormSource *fs_src = new NodeMetadataFormSource(
3677                                 &client->getEnv().getClientMap(), nodepos);
3678                         TextDest *txt_dst = new TextDestNodeMetadata(nodepos, client);
3679
3680                         create_formspec_menu(&current_formspec, client, gamedef,
3681                                              texture_src, device, fs_src, txt_dst, client);
3682
3683                         current_formspec->setFormSpec(meta->getString("formspec"), inventoryloc);
3684                 } else {
3685                         // Report right click to server
3686
3687                         camera->setDigging(1);  // right click animation (always shown for feedback)
3688
3689                         // If the wielded item has node placement prediction,
3690                         // make that happen
3691                         bool placed = nodePlacementPrediction(*client,
3692                                         playeritem_def,
3693                                         nodepos, neighbourpos);
3694
3695                         if (placed) {
3696                                 // Report to server
3697                                 client->interact(3, pointed);
3698                                 // Read the sound
3699                                 soundmaker->m_player_rightpunch_sound =
3700                                                 playeritem_def.sound_place;
3701                         } else {
3702                                 soundmaker->m_player_rightpunch_sound =
3703                                                 SimpleSoundSpec();
3704
3705                                 if (playeritem_def.node_placement_prediction == "" ||
3706                                                 nodedef_manager->get(map.getNodeNoEx(nodepos)).rightclickable) {
3707                                         client->interact(3, pointed); // Report to server
3708                                 } else {
3709                                         soundmaker->m_player_rightpunch_sound =
3710                                                 playeritem_def.sound_place_failed;
3711                                 }
3712                         }
3713                 }
3714         }
3715 }
3716
3717
3718 void Game::handlePointingAtObject(GameRunData *runData,
3719                 const PointedThing &pointed,
3720                 const ItemStack &playeritem,
3721                 const v3f &player_position,
3722                 bool show_debug)
3723 {
3724         infotext = utf8_to_wide(runData->selected_object->infoText());
3725
3726         if (infotext == L"" && show_debug) {
3727                 infotext = utf8_to_wide(runData->selected_object->debugInfoText());
3728         }
3729
3730         if (input->getLeftState()) {
3731                 bool do_punch = false;
3732                 bool do_punch_damage = false;
3733
3734                 if (runData->object_hit_delay_timer <= 0.0) {
3735                         do_punch = true;
3736                         do_punch_damage = true;
3737                         runData->object_hit_delay_timer = object_hit_delay;
3738                 }
3739
3740                 if (input->getLeftClicked())
3741                         do_punch = true;
3742
3743                 if (do_punch) {
3744                         infostream << "Left-clicked object" << std::endl;
3745                         runData->left_punch = true;
3746                 }
3747
3748                 if (do_punch_damage) {
3749                         // Report direct punch
3750                         v3f objpos = runData->selected_object->getPosition();
3751                         v3f dir = (objpos - player_position).normalize();
3752
3753                         bool disable_send = runData->selected_object->directReportPunch(
3754                                         dir, &playeritem, runData->time_from_last_punch);
3755                         runData->time_from_last_punch = 0;
3756
3757                         if (!disable_send)
3758                                 client->interact(0, pointed);
3759                 }
3760         } else if (input->getRightClicked()) {
3761                 infostream << "Right-clicked object" << std::endl;
3762                 client->interact(3, pointed);  // place
3763         }
3764 }
3765
3766
3767 void Game::handleDigging(GameRunData *runData,
3768                 const PointedThing &pointed, const v3s16 &nodepos,
3769                 const ToolCapabilities &playeritem_toolcap, f32 dtime)
3770 {
3771         if (!runData->digging) {
3772                 infostream << "Started digging" << std::endl;
3773                 client->interact(0, pointed);
3774                 runData->digging = true;
3775                 runData->ldown_for_dig = true;
3776         }
3777
3778         LocalPlayer *player = client->getEnv().getLocalPlayer();
3779         ClientMap &map = client->getEnv().getClientMap();
3780         MapNode n = client->getEnv().getClientMap().getNodeNoEx(nodepos);
3781
3782         // NOTE: Similar piece of code exists on the server side for
3783         // cheat detection.
3784         // Get digging parameters
3785         DigParams params = getDigParams(nodedef_manager->get(n).groups,
3786                         &playeritem_toolcap);
3787
3788         // If can't dig, try hand
3789         if (!params.diggable) {
3790                 const ItemDefinition &hand = itemdef_manager->get("");
3791                 const ToolCapabilities *tp = hand.tool_capabilities;
3792
3793                 if (tp)
3794                         params = getDigParams(nodedef_manager->get(n).groups, tp);
3795         }
3796
3797         if (params.diggable == false) {
3798                 // I guess nobody will wait for this long
3799                 runData->dig_time_complete = 10000000.0;
3800         } else {
3801                 runData->dig_time_complete = params.time;
3802
3803                 if (m_cache_enable_particles) {
3804                         const ContentFeatures &features =
3805                                         client->getNodeDefManager()->get(n);
3806                         client->getParticleManager()->addPunchingParticles(gamedef, smgr,
3807                                         player, nodepos, features.tiles);
3808                 }
3809         }
3810
3811         if (runData->dig_time_complete >= 0.001) {
3812                 runData->dig_index = (float)crack_animation_length
3813                                 * runData->dig_time
3814                                 / runData->dig_time_complete;
3815         } else {
3816                 // This is for torches
3817                 runData->dig_index = crack_animation_length;
3818         }
3819
3820         SimpleSoundSpec sound_dig = nodedef_manager->get(n).sound_dig;
3821
3822         if (sound_dig.exists() && params.diggable) {
3823                 if (sound_dig.name == "__group") {
3824                         if (params.main_group != "") {
3825                                 soundmaker->m_player_leftpunch_sound.gain = 0.5;
3826                                 soundmaker->m_player_leftpunch_sound.name =
3827                                                 std::string("default_dig_") +
3828                                                 params.main_group;
3829                         }
3830                 } else {
3831                         soundmaker->m_player_leftpunch_sound = sound_dig;
3832                 }
3833         }
3834
3835         // Don't show cracks if not diggable
3836         if (runData->dig_time_complete >= 100000.0) {
3837         } else if (runData->dig_index < crack_animation_length) {
3838                 //TimeTaker timer("client.setTempMod");
3839                 //infostream<<"dig_index="<<dig_index<<std::endl;
3840                 client->setCrack(runData->dig_index, nodepos);
3841         } else {
3842                 infostream << "Digging completed" << std::endl;
3843                 client->interact(2, pointed);
3844                 client->setCrack(-1, v3s16(0, 0, 0));
3845                 bool is_valid_position;
3846                 MapNode wasnode = map.getNodeNoEx(nodepos, &is_valid_position);
3847                 if (is_valid_position)
3848                         client->removeNode(nodepos);
3849
3850                 if (m_cache_enable_particles) {
3851                         const ContentFeatures &features =
3852                                 client->getNodeDefManager()->get(wasnode);
3853                         client->getParticleManager()->addDiggingParticles(gamedef, smgr,
3854                                         player, nodepos, features.tiles);
3855                 }
3856
3857                 runData->dig_time = 0;
3858                 runData->digging = false;
3859
3860                 runData->nodig_delay_timer =
3861                                 runData->dig_time_complete / (float)crack_animation_length;
3862
3863                 // We don't want a corresponding delay to
3864                 // very time consuming nodes
3865                 if (runData->nodig_delay_timer > 0.3)
3866                         runData->nodig_delay_timer = 0.3;
3867
3868                 // We want a slight delay to very little
3869                 // time consuming nodes
3870                 const float mindelay = 0.15;
3871
3872                 if (runData->nodig_delay_timer < mindelay)
3873                         runData->nodig_delay_timer = mindelay;
3874
3875                 // Send event to trigger sound
3876                 MtEvent *e = new NodeDugEvent(nodepos, wasnode);
3877                 gamedef->event()->put(e);
3878         }
3879
3880         if (runData->dig_time_complete < 100000.0) {
3881                 runData->dig_time += dtime;
3882         } else {
3883                 runData->dig_time = 0;
3884                 client->setCrack(-1, nodepos);
3885         }
3886
3887         camera->setDigging(0);  // left click animation
3888 }
3889
3890
3891 void Game::updateFrame(std::vector<aabb3f> &highlight_boxes,
3892                 ProfilerGraph *graph, RunStats *stats, GameRunData *runData,
3893                 f32 dtime, const VolatileRunFlags &flags, const CameraOrientation &cam)
3894 {
3895         LocalPlayer *player = client->getEnv().getLocalPlayer();
3896
3897         /*
3898                 Fog range
3899         */
3900
3901         if (draw_control->range_all) {
3902                 runData->fog_range = 100000 * BS;
3903         } else {
3904                 runData->fog_range = draw_control->wanted_range * BS
3905                                 + 0.0 * MAP_BLOCKSIZE * BS;
3906                 runData->fog_range = MYMIN(
3907                                 runData->fog_range,
3908                                 (draw_control->farthest_drawn + 20) * BS);
3909                 runData->fog_range *= 0.9;
3910         }
3911
3912         /*
3913                 Calculate general brightness
3914         */
3915         u32 daynight_ratio = client->getEnv().getDayNightRatio();
3916         float time_brightness = decode_light_f((float)daynight_ratio / 1000.0);
3917         float direct_brightness;
3918         bool sunlight_seen;
3919
3920         if (g_settings->getBool("free_move")) {
3921                 direct_brightness = time_brightness;
3922                 sunlight_seen = true;
3923         } else {
3924                 ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
3925                 float old_brightness = sky->getBrightness();
3926                 direct_brightness = client->getEnv().getClientMap()
3927                                 .getBackgroundBrightness(MYMIN(runData->fog_range * 1.2, 60 * BS),
3928                                         daynight_ratio, (int)(old_brightness * 255.5), &sunlight_seen)
3929                                     / 255.0;
3930         }
3931
3932         float time_of_day = runData->time_of_day;
3933         float time_of_day_smooth = runData->time_of_day_smooth;
3934
3935         time_of_day = client->getEnv().getTimeOfDayF();
3936
3937         const float maxsm = 0.05;
3938         const float todsm = 0.05;
3939
3940         if (fabs(time_of_day - time_of_day_smooth) > maxsm &&
3941                         fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3942                         fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3943                 time_of_day_smooth = time_of_day;
3944
3945         if (time_of_day_smooth > 0.8 && time_of_day < 0.2)
3946                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3947                                 + (time_of_day + 1.0) * todsm;
3948         else
3949                 time_of_day_smooth = time_of_day_smooth * (1.0 - todsm)
3950                                 + time_of_day * todsm;
3951
3952         runData->time_of_day = time_of_day;
3953         runData->time_of_day_smooth = time_of_day_smooth;
3954
3955         sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3956                         sunlight_seen, camera->getCameraMode(), player->getYaw(),
3957                         player->getPitch());
3958
3959         /*
3960                 Update clouds
3961         */
3962         if (clouds) {
3963                 v3f player_position = player->getPosition();
3964                 if (sky->getCloudsVisible()) {
3965                         clouds->setVisible(true);
3966                         clouds->step(dtime);
3967                         clouds->update(v2f(player_position.X, player_position.Z),
3968                                        sky->getCloudColor());
3969                 } else {
3970                         clouds->setVisible(false);
3971                 }
3972         }
3973
3974         /*
3975                 Update particles
3976         */
3977         client->getParticleManager()->step(dtime);
3978
3979         /*
3980                 Fog
3981         */
3982
3983         if (m_cache_enable_fog && !flags.force_fog_off) {
3984                 driver->setFog(
3985                                 sky->getBgColor(),
3986                                 video::EFT_FOG_LINEAR,
3987                                 runData->fog_range * 0.4,
3988                                 runData->fog_range * 1.0,
3989                                 0.01,
3990                                 false, // pixel fog
3991                                 false // range fog
3992                 );
3993         } else {
3994                 driver->setFog(
3995                                 sky->getBgColor(),
3996                                 video::EFT_FOG_LINEAR,
3997                                 100000 * BS,
3998                                 110000 * BS,
3999                                 0.01,
4000                                 false, // pixel fog
4001                                 false // range fog
4002                 );
4003         }
4004
4005         /*
4006                 Get chat messages from client
4007         */
4008
4009         v2u32 screensize = driver->getScreenSize();
4010
4011         updateChat(*client, dtime, flags.show_debug, screensize,
4012                         flags.show_chat, runData->profiler_current_page,
4013                         *chat_backend, guitext_chat);
4014
4015         /*
4016                 Inventory
4017         */
4018
4019         if (client->getPlayerItem() != runData->new_playeritem)
4020                 client->selectPlayerItem(runData->new_playeritem);
4021
4022         // Update local inventory if it has changed
4023         if (client->getLocalInventoryUpdated()) {
4024                 //infostream<<"Updating local inventory"<<std::endl;
4025                 client->getLocalInventory(*local_inventory);
4026                 runData->update_wielded_item_trigger = true;
4027         }
4028
4029         if (runData->update_wielded_item_trigger) {
4030                 // Update wielded tool
4031                 InventoryList *mlist = local_inventory->getList("main");
4032
4033                 if (mlist && (client->getPlayerItem() < mlist->getSize())) {
4034                         ItemStack item = mlist->getItem(client->getPlayerItem());
4035                         camera->wield(item);
4036                 }
4037                 runData->update_wielded_item_trigger = false;
4038         }
4039
4040         /*
4041                 Update block draw list every 200ms or when camera direction has
4042                 changed much
4043         */
4044         runData->update_draw_list_timer += dtime;
4045
4046         v3f camera_direction = camera->getDirection();
4047         if (runData->update_draw_list_timer >= 0.2
4048                         || runData->update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2
4049                         || flags.camera_offset_changed) {
4050                 runData->update_draw_list_timer = 0;
4051                 client->getEnv().getClientMap().updateDrawList(driver);
4052                 runData->update_draw_list_last_cam_dir = camera_direction;
4053         }
4054
4055         updateGui(&runData->statustext_time, *stats, *runData, dtime, flags, cam);
4056
4057         /*
4058            make sure menu is on top
4059            1. Delete formspec menu reference if menu was removed
4060            2. Else, make sure formspec menu is on top
4061         */
4062         if (current_formspec) {
4063                 if (current_formspec->getReferenceCount() == 1) {
4064                         current_formspec->drop();
4065                         current_formspec = NULL;
4066                 } else if (!noMenuActive()) {
4067                         guiroot->bringToFront(current_formspec);
4068                 }
4069         }
4070
4071         /*
4072                 Drawing begins
4073         */
4074
4075         video::SColor skycolor = sky->getSkyColor();
4076
4077         TimeTaker tt_draw("mainloop: draw");
4078         {
4079                 TimeTaker timer("beginScene");
4080                 driver->beginScene(true, true, skycolor);
4081                 stats->beginscenetime = timer.stop(true);
4082         }
4083
4084         draw_scene(driver, smgr, *camera, *client, player, *hud, *mapper,
4085                         guienv, highlight_boxes, screensize, skycolor, flags.show_hud,
4086                         flags.show_minimap);
4087
4088         /*
4089                 Profiler graph
4090         */
4091         if (flags.show_profiler_graph)
4092                 graph->draw(10, screensize.Y - 10, driver, g_fontengine->getFont());
4093
4094         /*
4095                 Damage flash
4096         */
4097         if (runData->damage_flash > 0.0) {
4098                 video::SColor color(std::min(runData->damage_flash, 180.0f),
4099                                 180,
4100                                 0,
4101                                 0);
4102                 driver->draw2DRectangle(color,
4103                                         core::rect<s32>(0, 0, screensize.X, screensize.Y),
4104                                         NULL);
4105
4106                 runData->damage_flash -= 100.0 * dtime;
4107         }
4108
4109         /*
4110                 Damage camera tilt
4111         */
4112         if (player->hurt_tilt_timer > 0.0) {
4113                 player->hurt_tilt_timer -= dtime * 5;
4114
4115                 if (player->hurt_tilt_timer < 0)
4116                         player->hurt_tilt_strength = 0;
4117         }
4118
4119         /*
4120                 Update minimap pos and rotation
4121         */
4122         if (flags.show_minimap && flags.show_hud) {
4123                 mapper->setPos(floatToInt(player->getPosition(), BS));
4124                 mapper->setAngle(player->getYaw());
4125         }
4126
4127         /*
4128                 End scene
4129         */
4130         {
4131                 TimeTaker timer("endScene");
4132                 driver->endScene();
4133                 stats->endscenetime = timer.stop(true);
4134         }
4135
4136         stats->drawtime = tt_draw.stop(true);
4137         g_profiler->graphAdd("mainloop_draw", stats->drawtime / 1000.0f);
4138 }
4139
4140
4141 inline static const char *yawToDirectionString(int yaw)
4142 {
4143         // NOTE: TODO: This can be done mathematically without the else/else-if
4144         // cascade.
4145
4146         const char *player_direction;
4147
4148         yaw = wrapDegrees_0_360(yaw);
4149
4150         if (yaw >= 45 && yaw < 135)
4151                 player_direction = "West [-X]";
4152         else if (yaw >= 135 && yaw < 225)
4153                 player_direction = "South [-Z]";
4154         else if (yaw >= 225 && yaw < 315)
4155                 player_direction = "East [+X]";
4156         else
4157                 player_direction = "North [+Z]";
4158
4159         return player_direction;
4160 }
4161
4162
4163 void Game::updateGui(float *statustext_time, const RunStats &stats,
4164                 const GameRunData& runData, f32 dtime, const VolatileRunFlags &flags,
4165                 const CameraOrientation &cam)
4166 {
4167         v2u32 screensize = driver->getScreenSize();
4168         LocalPlayer *player = client->getEnv().getLocalPlayer();
4169         v3f player_position = player->getPosition();
4170
4171         if (flags.show_debug) {
4172                 static float drawtime_avg = 0;
4173                 drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
4174
4175                 u16 fps = 1.0 / stats.dtime_jitter.avg;
4176                 //s32 fps = driver->getFPS();
4177
4178                 std::ostringstream os(std::ios_base::binary);
4179                 os << std::fixed
4180                    << PROJECT_NAME_C " " << g_version_hash
4181                    << " FPS = " << fps
4182                    << " (R: range_all=" << draw_control->range_all << ")"
4183                    << std::setprecision(0)
4184                    << " drawtime = " << drawtime_avg
4185                    << std::setprecision(1)
4186                    << ", dtime_jitter = "
4187                    << (stats.dtime_jitter.max_fraction * 100.0) << " %"
4188                    << std::setprecision(1)
4189                    << ", v_range = " << draw_control->wanted_range
4190                    << std::setprecision(3)
4191                    << ", RTT = " << client->getRTT();
4192                 guitext->setText(utf8_to_wide(os.str()).c_str());
4193                 guitext->setVisible(true);
4194         } else if (flags.show_hud || flags.show_chat) {
4195                 std::ostringstream os(std::ios_base::binary);
4196                 os << PROJECT_NAME_C " " << g_version_hash;
4197                 guitext->setText(utf8_to_wide(os.str()).c_str());
4198                 guitext->setVisible(true);
4199         } else {
4200                 guitext->setVisible(false);
4201         }
4202
4203         if (guitext->isVisible()) {
4204                 core::rect<s32> rect(
4205                                 5,              5,
4206                                 screensize.X,   5 + g_fontengine->getTextHeight()
4207                 );
4208                 guitext->setRelativePosition(rect);
4209         }
4210
4211         if (flags.show_debug) {
4212                 std::ostringstream os(std::ios_base::binary);
4213                 os << std::setprecision(1) << std::fixed
4214                    << "(" << (player_position.X / BS)
4215                    << ", " << (player_position.Y / BS)
4216                    << ", " << (player_position.Z / BS)
4217                    << ") (yaw=" << (wrapDegrees_0_360(cam.camera_yaw))
4218                    << " " << yawToDirectionString(cam.camera_yaw)
4219                    << ") (seed = " << ((u64)client->getMapSeed())
4220                    << ")";
4221
4222                 if (runData.pointed_old.type == POINTEDTHING_NODE) {
4223                         ClientMap &map = client->getEnv().getClientMap();
4224                         const INodeDefManager *nodedef = client->getNodeDefManager();
4225                         MapNode n = map.getNodeNoEx(runData.pointed_old.node_undersurface);
4226                         if (n.getContent() != CONTENT_IGNORE && nodedef->get(n).name != "unknown") {
4227                                 const ContentFeatures &features = nodedef->get(n);
4228                                 os << " (pointing_at = " << nodedef->get(n).name
4229                                    << " - " << features.tiledef[0].name.c_str()
4230                                    << ")";
4231                         }
4232                 }
4233
4234                 guitext2->setText(utf8_to_wide(os.str()).c_str());
4235                 guitext2->setVisible(true);
4236
4237                 core::rect<s32> rect(
4238                                 5,             5 + g_fontengine->getTextHeight(),
4239                                 screensize.X,  5 + g_fontengine->getTextHeight() * 2
4240                 );
4241                 guitext2->setRelativePosition(rect);
4242         } else {
4243                 guitext2->setVisible(false);
4244         }
4245
4246         guitext_info->setText(infotext.c_str());
4247         guitext_info->setVisible(flags.show_hud && g_menumgr.menuCount() == 0);
4248
4249         float statustext_time_max = 1.5;
4250
4251         if (!statustext.empty()) {
4252                 *statustext_time += dtime;
4253
4254                 if (*statustext_time >= statustext_time_max) {
4255                         statustext = L"";
4256                         *statustext_time = 0;
4257                 }
4258         }
4259
4260         guitext_status->setText(statustext.c_str());
4261         guitext_status->setVisible(!statustext.empty());
4262
4263         if (!statustext.empty()) {
4264                 s32 status_width  = guitext_status->getTextWidth();
4265                 s32 status_height = guitext_status->getTextHeight();
4266                 s32 status_y = screensize.Y - 150;
4267                 s32 status_x = (screensize.X - status_width) / 2;
4268                 core::rect<s32> rect(
4269                                 status_x , status_y - status_height,
4270                                 status_x + status_width, status_y
4271                 );
4272                 guitext_status->setRelativePosition(rect);
4273
4274                 // Fade out
4275                 video::SColor initial_color(255, 0, 0, 0);
4276
4277                 if (guienv->getSkin())
4278                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
4279
4280                 video::SColor final_color = initial_color;
4281                 final_color.setAlpha(0);
4282                 video::SColor fade_color = initial_color.getInterpolated_quadratic(
4283                                 initial_color, final_color,
4284                                 pow(*statustext_time / statustext_time_max, 2.0f));
4285                 guitext_status->setOverrideColor(fade_color);
4286                 guitext_status->enableOverrideColor(true);
4287         }
4288 }
4289
4290
4291 /* Log times and stuff for visualization */
4292 inline void Game::updateProfilerGraphs(ProfilerGraph *graph)
4293 {
4294         Profiler::GraphValues values;
4295         g_profiler->graphGet(values);
4296         graph->put(values);
4297 }
4298
4299
4300
4301 /****************************************************************************
4302  Misc
4303  ****************************************************************************/
4304
4305 /* On some computers framerate doesn't seem to be automatically limited
4306  */
4307 inline void Game::limitFps(FpsControl *fps_timings, f32 *dtime)
4308 {
4309         // not using getRealTime is necessary for wine
4310         device->getTimer()->tick(); // Maker sure device time is up-to-date
4311         u32 time = device->getTimer()->getTime();
4312         u32 last_time = fps_timings->last_time;
4313
4314         if (time > last_time)  // Make sure time hasn't overflowed
4315                 fps_timings->busy_time = time - last_time;
4316         else
4317                 fps_timings->busy_time = 0;
4318
4319         u32 frametime_min = 1000 / (g_menumgr.pausesGame()
4320                         ? g_settings->getFloat("pause_fps_max")
4321                         : g_settings->getFloat("fps_max"));
4322
4323         if (fps_timings->busy_time < frametime_min) {
4324                 fps_timings->sleep_time = frametime_min - fps_timings->busy_time;
4325                 device->sleep(fps_timings->sleep_time);
4326         } else {
4327                 fps_timings->sleep_time = 0;
4328         }
4329
4330         /* Get the new value of the device timer. Note that device->sleep() may
4331          * not sleep for the entire requested time as sleep may be interrupted and
4332          * therefore it is arguably more accurate to get the new time from the
4333          * device rather than calculating it by adding sleep_time to time.
4334          */
4335
4336         device->getTimer()->tick(); // Update device timer
4337         time = device->getTimer()->getTime();
4338
4339         if (time > last_time)  // Make sure last_time hasn't overflowed
4340                 *dtime = (time - last_time) / 1000.0;
4341         else
4342                 *dtime = 0;
4343
4344         fps_timings->last_time = time;
4345 }
4346
4347 // Note: This will free (using delete[])! \p msg. If you want to use it later,
4348 // pass a copy of it to this function
4349 // Note: \p msg must be allocated using new (not malloc())
4350 void Game::showOverlayMessage(const wchar_t *msg, float dtime,
4351                 int percent, bool draw_clouds)
4352 {
4353         draw_load_screen(msg, device, guienv, dtime, percent, draw_clouds);
4354         delete[] msg;
4355 }
4356
4357 void Game::settingChangedCallback(const std::string &setting_name, void *data)
4358 {
4359         ((Game *)data)->readSettings();
4360 }
4361
4362 void Game::readSettings()
4363 {
4364         m_cache_doubletap_jump            = g_settings->getBool("doubletap_jump");
4365         m_cache_enable_node_highlighting  = g_settings->getBool("enable_node_highlighting");
4366         m_cache_enable_clouds             = g_settings->getBool("enable_clouds");
4367         m_cache_enable_particles          = g_settings->getBool("enable_particles");
4368         m_cache_enable_fog                = g_settings->getBool("enable_fog");
4369         m_cache_mouse_sensitivity         = g_settings->getFloat("mouse_sensitivity");
4370         m_repeat_right_click_time         = g_settings->getFloat("repeat_rightclick_time");
4371
4372         m_cache_mouse_sensitivity = rangelim(m_cache_mouse_sensitivity, 0.001, 100.0);
4373 }
4374
4375 /****************************************************************************/
4376 /****************************************************************************
4377  Shutdown / cleanup
4378  ****************************************************************************/
4379 /****************************************************************************/
4380
4381 void Game::extendedResourceCleanup()
4382 {
4383         // Extended resource accounting
4384         infostream << "Irrlicht resources after cleanup:" << std::endl;
4385         infostream << "\tRemaining meshes   : "
4386                    << device->getSceneManager()->getMeshCache()->getMeshCount() << std::endl;
4387         infostream << "\tRemaining textures : "
4388                    << driver->getTextureCount() << std::endl;
4389
4390         for (unsigned int i = 0; i < driver->getTextureCount(); i++) {
4391                 irr::video::ITexture *texture = driver->getTextureByIndex(i);
4392                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
4393                            << std::endl;
4394         }
4395
4396         clearTextureNameCache();
4397         infostream << "\tRemaining materials: "
4398                << driver-> getMaterialRendererCount()
4399                        << " (note: irrlicht doesn't support removing renderers)" << std::endl;
4400 }
4401
4402
4403 /****************************************************************************/
4404 /****************************************************************************
4405  extern function for launching the game
4406  ****************************************************************************/
4407 /****************************************************************************/
4408
4409 void the_game(bool *kill,
4410                 bool random_input,
4411                 InputHandler *input,
4412                 IrrlichtDevice *device,
4413
4414                 const std::string &map_dir,
4415                 const std::string &playername,
4416                 const std::string &password,
4417                 const std::string &address,         // If empty local server is created
4418                 u16 port,
4419
4420                 std::string &error_message,
4421                 ChatBackend &chat_backend,
4422                 bool *reconnect_requested,
4423                 const SubgameSpec &gamespec,        // Used for local game
4424                 bool simple_singleplayer_mode)
4425 {
4426         Game game;
4427
4428         /* Make a copy of the server address because if a local singleplayer server
4429          * is created then this is updated and we don't want to change the value
4430          * passed to us by the calling function
4431          */
4432         std::string server_address = address;
4433
4434         try {
4435
4436                 if (game.startup(kill, random_input, input, device, map_dir,
4437                                 playername, password, &server_address, port, error_message,
4438                                 reconnect_requested, &chat_backend, gamespec,
4439                                 simple_singleplayer_mode)) {
4440                         game.run();
4441                         game.shutdown();
4442                 }
4443
4444         } catch (SerializationError &e) {
4445                 error_message = std::string("A serialization error occurred:\n")
4446                                 + e.what() + "\n\nThe server is probably "
4447                                 " running a different version of " PROJECT_NAME_C ".";
4448                 errorstream << error_message << std::endl;
4449         } catch (ServerError &e) {
4450                 error_message = e.what();
4451                 errorstream << "ServerError: " << error_message << std::endl;
4452         } catch (ModError &e) {
4453                 error_message = e.what() + strgettext("\nCheck debug.txt for details.");
4454                 errorstream << "ModError: " << error_message << std::endl;
4455         }
4456 }