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