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 "guiFormSpecMenu.h"
  34 #include "guiTextInputMenu.h"
  35 #include "guiDeathScreen.h"
  36 #include "tool.h"
  37 #include "guiChatConsole.h"
  38 #include "config.h"
  39 #include "version.h"
  40 #include "clouds.h"
  41 #include "particles.h"
  42 #include "camera.h"
  43 #include "mapblock.h"
  44 #include "settings.h"
  45 #include "profiler.h"
  46 #include "mainmenumanager.h"
  47 #include "gettext.h"
  48 #include "log.h"
  49 #include "filesys.h"
  50 // Needed for determining pointing to nodes
  51 #include "nodedef.h"
  52 #include "nodemetadata.h"
  53 #include "main.h" // For g_settings
  54 #include "itemdef.h"
  55 #include "tile.h" // For TextureSource
  56 #include "shader.h" // For ShaderSource
  57 #include "logoutputbuffer.h"
  58 #include "subgame.h"
  59 #include "quicktune_shortcutter.h"
  60 #include "clientmap.h"
  61 #include "hud.h"
  62 #include "sky.h"
  63 #include "sound.h"
  64 #if USE_SOUND
  65         #include "sound_openal.h"
  66 #endif
  67 #include "event_manager.h"
  68 #include <iomanip>
  69 #include <list>
  70 #include "util/directiontables.h"
  71 #include "util/pointedthing.h"
  72
  73 /*
  74         Text input system
  75 */
  76
  77 struct TextDestNodeMetadata : public TextDest
  78 {
  79         TextDestNodeMetadata(v3s16 p, Client *client)
  80         {
  81                 m_p = p;
  82                 m_client = client;
  83         }
  84         // This is deprecated I guess? -celeron55
  85         void gotText(std::wstring text)
  86         {
  87                 std::string ntext = wide_to_narrow(text);
  88                 infostream<<"Submitting 'text' field of node at ("<<m_p.X<<","
  89                                 <<m_p.Y<<","<<m_p.Z<<"): "<<ntext<<std::endl;
  90                 std::map<std::string, std::string> fields;
  91                 fields["text"] = ntext;
  92                 m_client->sendNodemetaFields(m_p, "", fields);
  93         }
  94         void gotText(std::map<std::string, std::string> fields)
  95         {
  96                 m_client->sendNodemetaFields(m_p, "", fields);
  97         }
  98
  99         v3s16 m_p;
 100         Client *m_client;
 101 };
 102
 103 struct TextDestPlayerInventory : public TextDest
 104 {
 105         TextDestPlayerInventory(Client *client)
 106         {
 107                 m_client = client;
 108                 m_formname = "";
 109         }
 110         TextDestPlayerInventory(Client *client, std::string formname)
 111         {
 112                 m_client = client;
 113                 m_formname = formname;
 114         }
 115         void gotText(std::map<std::string, std::string> fields)
 116         {
 117                 m_client->sendInventoryFields(m_formname, fields);
 118         }
 119
 120         Client *m_client;
 121 };
 122
 123 struct LocalFormspecHandler : public TextDest
 124 {
 125         LocalFormspecHandler();
 126         LocalFormspecHandler(std::string formname) {
 127                 m_formname = formname;
 128         }
 129
 130         LocalFormspecHandler(std::string formname,Client *client) {
 131                 m_formname = formname;
 132                 m_client = client;
 133         }
 134
 135         void gotText(std::string message) {
 136                 errorstream << "LocalFormspecHandler::gotText old style message received" << std::endl;
 137         }
 138
 139         void gotText(std::map<std::string, std::string> fields)
 140         {
 141                 if (m_formname == "MT_PAUSE_MENU") {
 142                         if (fields.find("btn_sound") != fields.end()) {
 143                                 g_gamecallback->changeVolume();
 144                                 return;
 145                         }
 146
 147                         if (fields.find("btn_exit_menu") != fields.end()) {
 148                                 g_gamecallback->disconnect();
 149                                 return;
 150                         }
 151
 152                         if (fields.find("btn_exit_os") != fields.end()) {
 153                                 g_gamecallback->exitToOS();
 154                                 return;
 155                         }
 156
 157                         if (fields.find("btn_change_password") != fields.end()) {
 158                                 g_gamecallback->changePassword();
 159                                 return;
 160                         }
 161
 162                         if (fields.find("quit") != fields.end()) {
 163                                 return;
 164                         }
 165
 166                         if (fields.find("btn_continue") != fields.end()) {
 167                                 return;
 168                         }
 169                 }
 170                 if (m_formname == "MT_CHAT_MENU") {
 171                         if ((fields.find("btn_send") != fields.end()) ||
 172                                         (fields.find("quit") != fields.end())) {
 173                                 if (fields.find("f_text") != fields.end()) {
 174                                         if (m_client != 0) {
 175                                                 m_client->typeChatMessage(narrow_to_wide(fields["f_text"]));
 176                                         }
 177                                         else {
 178                                                 errorstream << "LocalFormspecHandler::gotText received chat message but m_client is NULL" << std::endl;
 179                                         }
 180                                 }
 181                                 return;
 182                         }
 183                 }
 184
 185                 errorstream << "LocalFormspecHandler::gotText unhandled >" << m_formname << "< event" << std::endl;
 186                 int i = 0;
 187                 for (std::map<std::string,std::string>::iterator iter = fields.begin();
 188                                 iter != fields.end(); iter++) {
 189                         errorstream << "\t"<< i << ": " << iter->first << "=" << iter->second << std::endl;
 190                         i++;
 191                 }
 192         }
 193
 194         Client *m_client;
 195 };
 196
 197 /* Respawn menu callback */
 198
 199 class MainRespawnInitiator: public IRespawnInitiator
 200 {
 201 public:
 202         MainRespawnInitiator(bool *active, Client *client):
 203                 m_active(active), m_client(client)
 204         {
 205                 *m_active = true;
 206         }
 207         void respawn()
 208         {
 209                 *m_active = false;
 210                 m_client->sendRespawn();
 211         }
 212 private:
 213         bool *m_active;
 214         Client *m_client;
 215 };
 216
 217 /* Form update callback */
 218
 219 class NodeMetadataFormSource: public IFormSource
 220 {
 221 public:
 222         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 223                 m_map(map),
 224                 m_p(p)
 225         {
 226         }
 227         std::string getForm()
 228         {
 229                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 230                 if(!meta)
 231                         return "";
 232                 return meta->getString("formspec");
 233         }
 234         std::string resolveText(std::string str)
 235         {
 236                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 237                 if(!meta)
 238                         return str;
 239                 return meta->resolveString(str);
 240         }
 241
 242         ClientMap *m_map;
 243         v3s16 m_p;
 244 };
 245
 246 class PlayerInventoryFormSource: public IFormSource
 247 {
 248 public:
 249         PlayerInventoryFormSource(Client *client):
 250                 m_client(client)
 251         {
 252         }
 253         std::string getForm()
 254         {
 255                 LocalPlayer* player = m_client->getEnv().getLocalPlayer();
 256                 return player->inventory_formspec;
 257         }
 258
 259         Client *m_client;
 260 };
 261
 262 /*
 263         Check if a node is pointable
 264 */
 265 inline bool isPointableNode(const MapNode& n,
 266                 Client *client, bool liquids_pointable)
 267 {
 268         const ContentFeatures &features = client->getNodeDefManager()->get(n);
 269         return features.pointable ||
 270                 (liquids_pointable && features.isLiquid());
 271 }
 272
 273 /*
 274         Find what the player is pointing at
 275 */
 276 PointedThing getPointedThing(Client *client, v3f player_position,
 277                 v3f camera_direction, v3f camera_position, core::line3d<f32> shootline,
 278                 f32 d, bool liquids_pointable, bool look_for_object, v3s16 camera_offset,
 279                 std::vector<aabb3f> &hilightboxes, ClientActiveObject *&selected_object)
 280 {
 281         PointedThing result;
 282
 283         hilightboxes.clear();
 284         selected_object = NULL;
 285
 286         INodeDefManager *nodedef = client->getNodeDefManager();
 287         ClientMap &map = client->getEnv().getClientMap();
 288
 289         f32 mindistance = BS * 1001;
 290
 291         // First try to find a pointed at active object
 292         if(look_for_object)
 293         {
 294                 selected_object = client->getSelectedActiveObject(d*BS,
 295                                 camera_position, shootline);
 296
 297                 if(selected_object != NULL)
 298                 {
 299                         if(selected_object->doShowSelectionBox())
 300                         {
 301                                 aabb3f *selection_box = selected_object->getSelectionBox();
 302                                 // Box should exist because object was
 303                                 // returned in the first place
 304                                 assert(selection_box);
 305
 306                                 v3f pos = selected_object->getPosition();
 307                                 hilightboxes.push_back(aabb3f(
 308                                                 selection_box->MinEdge + pos - intToFloat(camera_offset, BS),
 309                                                 selection_box->MaxEdge + pos - intToFloat(camera_offset, BS)));
 310                         }
 311
 312                         mindistance = (selected_object->getPosition() - camera_position).getLength();
 313
 314                         result.type = POINTEDTHING_OBJECT;
 315                         result.object_id = selected_object->getId();
 316                 }
 317         }
 318
 319         // That didn't work, try to find a pointed at node
 320
 321
 322         v3s16 pos_i = floatToInt(player_position, BS);
 323
 324         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 325                         <<std::endl;*/
 326
 327         s16 a = d;
 328         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 329         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 330         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 331         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 332         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 333         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 334
 335         // Prevent signed number overflow
 336         if(yend==32767)
 337                 yend=32766;
 338         if(zend==32767)
 339                 zend=32766;
 340         if(xend==32767)
 341                 xend=32766;
 342
 343         for(s16 y = ystart; y <= yend; y++)
 344         for(s16 z = zstart; z <= zend; z++)
 345         for(s16 x = xstart; x <= xend; x++)
 346         {
 347                 MapNode n;
 348                 try
 349                 {
 350                         n = map.getNode(v3s16(x,y,z));
 351                 }
 352                 catch(InvalidPositionException &e)
 353                 {
 354                         continue;
 355                 }
 356                 if(!isPointableNode(n, client, liquids_pointable))
 357                         continue;
 358
 359                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
 360
 361                 v3s16 np(x,y,z);
 362                 v3f npf = intToFloat(np, BS);
 363
 364                 for(std::vector<aabb3f>::const_iterator
 365                                 i = boxes.begin();
 366                                 i != boxes.end(); i++)
 367                 {
 368                         aabb3f box = *i;
 369                         box.MinEdge += npf;
 370                         box.MaxEdge += npf;
 371
 372                         for(u16 j=0; j<6; j++)
 373                         {
 374                                 v3s16 facedir = g_6dirs[j];
 375                                 aabb3f facebox = box;
 376
 377                                 f32 d = 0.001*BS;
 378                                 if(facedir.X > 0)
 379                                         facebox.MinEdge.X = facebox.MaxEdge.X-d;
 380                                 else if(facedir.X < 0)
 381                                         facebox.MaxEdge.X = facebox.MinEdge.X+d;
 382                                 else if(facedir.Y > 0)
 383                                         facebox.MinEdge.Y = facebox.MaxEdge.Y-d;
 384                                 else if(facedir.Y < 0)
 385                                         facebox.MaxEdge.Y = facebox.MinEdge.Y+d;
 386                                 else if(facedir.Z > 0)
 387                                         facebox.MinEdge.Z = facebox.MaxEdge.Z-d;
 388                                 else if(facedir.Z < 0)
 389                                         facebox.MaxEdge.Z = facebox.MinEdge.Z+d;
 390
 391                                 v3f centerpoint = facebox.getCenter();
 392                                 f32 distance = (centerpoint - camera_position).getLength();
 393                                 if(distance >= mindistance)
 394                                         continue;
 395                                 if(!facebox.intersectsWithLine(shootline))
 396                                         continue;
 397
 398                                 v3s16 np_above = np + facedir;
 399
 400                                 result.type = POINTEDTHING_NODE;
 401                                 result.node_undersurface = np;
 402                                 result.node_abovesurface = np_above;
 403                                 mindistance = distance;
 404
 405                                 hilightboxes.clear();
 406                                 for(std::vector<aabb3f>::const_iterator
 407                                                 i2 = boxes.begin();
 408                                                 i2 != boxes.end(); i2++)
 409                                 {
 410                                         aabb3f box = *i2;
 411                                         box.MinEdge += npf + v3f(-d,-d,-d) - intToFloat(camera_offset, BS);
 412                                         box.MaxEdge += npf + v3f(d,d,d) - intToFloat(camera_offset, BS);
 413                                         hilightboxes.push_back(box);
 414                                 }
 415                         }
 416                 }
 417         } // for coords
 418
 419         return result;
 420 }
 421
 422 /*
 423         Draws a screen with a single text on it.
 424         Text will be removed when the screen is drawn the next time.
 425         Additionally, a progressbar can be drawn when percent is set between 0 and 100.
 426 */
 427 /*gui::IGUIStaticText **/
 428 void draw_load_screen(const std::wstring &text, IrrlichtDevice* device,
 429                 gui::IGUIFont* font, float dtime=0 ,int percent=0, bool clouds=true)
 430 {
 431         video::IVideoDriver* driver = device->getVideoDriver();
 432         v2u32 screensize = driver->getScreenSize();
 433         const wchar_t *loadingtext = text.c_str();
 434         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 435         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 436         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 437         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 438
 439         gui::IGUIStaticText *guitext = guienv->addStaticText(
 440                         loadingtext, textrect, false, false);
 441         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 442
 443         bool cloud_menu_background = clouds && g_settings->getBool("menu_clouds");
 444         if (cloud_menu_background)
 445         {
 446                 g_menuclouds->step(dtime*3);
 447                 g_menuclouds->render();
 448                 driver->beginScene(true, true, video::SColor(255,140,186,250));
 449                 g_menucloudsmgr->drawAll();
 450         }
 451         else
 452                 driver->beginScene(true, true, video::SColor(255,0,0,0));
 453         if (percent >= 0 && percent <= 100) // draw progress bar
 454         {
 455                 core::vector2d<s32> barsize(256,32);
 456                 core::rect<s32> barrect(center-barsize/2, center+barsize/2);
 457                 driver->draw2DRectangle(video::SColor(255,255,255,255),barrect, NULL); // border
 458                 driver->draw2DRectangle(video::SColor(255,64,64,64), core::rect<s32> (
 459                                 barrect.UpperLeftCorner+1,
 460                                 barrect.LowerRightCorner-1), NULL); // black inside the bar
 461                 driver->draw2DRectangle(video::SColor(255,128,128,128), core::rect<s32> (
 462                                 barrect.UpperLeftCorner+1,
 463                                 core::vector2d<s32>(
 464                                         barrect.LowerRightCorner.X-(barsize.X-1)+percent*(barsize.X-2)/100,
 465                                         barrect.LowerRightCorner.Y-1)), NULL); // the actual progress
 466         }
 467         guienv->drawAll();
 468         driver->endScene();
 469
 470         guitext->remove();
 471
 472         //return guitext;
 473 }
 474
 475 /* Profiler display */
 476
 477 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler,
 478                 gui::IGUIFont *font, u32 text_height, u32 show_profiler,
 479                 u32 show_profiler_max)
 480 {
 481         if(show_profiler == 0)
 482         {
 483                 guitext_profiler->setVisible(false);
 484         }
 485         else
 486         {
 487
 488                 std::ostringstream os(std::ios_base::binary);
 489                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 490                 std::wstring text = narrow_to_wide(os.str());
 491                 guitext_profiler->setText(text.c_str());
 492                 guitext_profiler->setVisible(true);
 493
 494                 s32 w = font->getDimension(text.c_str()).Width;
 495                 if(w < 400)
 496                         w = 400;
 497                 core::rect<s32> rect(6, 4+(text_height+5)*2, 12+w,
 498                                 8+(text_height+5)*2 +
 499                                 font->getDimension(text.c_str()).Height);
 500                 guitext_profiler->setRelativePosition(rect);
 501                 guitext_profiler->setVisible(true);
 502         }
 503 }
 504
 505 class ProfilerGraph
 506 {
 507 private:
 508         struct Piece{
 509                 Profiler::GraphValues values;
 510         };
 511         struct Meta{
 512                 float min;
 513                 float max;
 514                 video::SColor color;
 515                 Meta(float initial=0, video::SColor color=
 516                                 video::SColor(255,255,255,255)):
 517                         min(initial),
 518                         max(initial),
 519                         color(color)
 520                 {}
 521         };
 522         std::list<Piece> m_log;
 523 public:
 524         u32 m_log_max_size;
 525
 526         ProfilerGraph():
 527                 m_log_max_size(200)
 528         {}
 529
 530         void put(const Profiler::GraphValues &values)
 531         {
 532                 Piece piece;
 533                 piece.values = values;
 534                 m_log.push_back(piece);
 535                 while(m_log.size() > m_log_max_size)
 536                         m_log.erase(m_log.begin());
 537         }
 538
 539         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 540                         gui::IGUIFont* font) const
 541         {
 542                 std::map<std::string, Meta> m_meta;
 543                 for(std::list<Piece>::const_iterator k = m_log.begin();
 544                                 k != m_log.end(); k++)
 545                 {
 546                         const Piece &piece = *k;
 547                         for(Profiler::GraphValues::const_iterator i = piece.values.begin();
 548                                         i != piece.values.end(); i++){
 549                                 const std::string &id = i->first;
 550                                 const float &value = i->second;
 551                                 std::map<std::string, Meta>::iterator j =
 552                                                 m_meta.find(id);
 553                                 if(j == m_meta.end()){
 554                                         m_meta[id] = Meta(value);
 555                                         continue;
 556                                 }
 557                                 if(value < j->second.min)
 558                                         j->second.min = value;
 559                                 if(value > j->second.max)
 560                                         j->second.max = value;
 561                         }
 562                 }
 563
 564                 // Assign colors
 565                 static const video::SColor usable_colors[] = {
 566                         video::SColor(255,255,100,100),
 567                         video::SColor(255,90,225,90),
 568                         video::SColor(255,100,100,255),
 569                         video::SColor(255,255,150,50),
 570                         video::SColor(255,220,220,100)
 571                 };
 572                 static const u32 usable_colors_count =
 573                                 sizeof(usable_colors) / sizeof(*usable_colors);
 574                 u32 next_color_i = 0;
 575                 for(std::map<std::string, Meta>::iterator i = m_meta.begin();
 576                                 i != m_meta.end(); i++){
 577                         Meta &meta = i->second;
 578                         video::SColor color(255,200,200,200);
 579                         if(next_color_i < usable_colors_count)
 580                                 color = usable_colors[next_color_i++];
 581                         meta.color = color;
 582                 }
 583
 584                 s32 graphh = 50;
 585                 s32 textx = x_left + m_log_max_size + 15;
 586                 s32 textx2 = textx + 200 - 15;
 587
 588                 // Draw background
 589                 /*{
 590                         u32 num_graphs = m_meta.size();
 591                         core::rect<s32> rect(x_left, y_bottom - num_graphs*graphh,
 592                                         textx2, y_bottom);
 593                         video::SColor bgcolor(120,0,0,0);
 594                         driver->draw2DRectangle(bgcolor, rect, NULL);
 595                 }*/
 596
 597                 s32 meta_i = 0;
 598                 for(std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 599                                 i != m_meta.end(); i++){
 600                         const std::string &id = i->first;
 601                         const Meta &meta = i->second;
 602                         s32 x = x_left;
 603                         s32 y = y_bottom - meta_i * 50;
 604                         float show_min = meta.min;
 605                         float show_max = meta.max;
 606                         if(show_min >= -0.0001 && show_max >= -0.0001){
 607                                 if(show_min <= show_max * 0.5)
 608                                         show_min = 0;
 609                         }
 610                         s32 texth = 15;
 611                         char buf[10];
 612                         snprintf(buf, 10, "%.3g", show_max);
 613                         font->draw(narrow_to_wide(buf).c_str(),
 614                                         core::rect<s32>(textx, y - graphh,
 615                                         textx2, y - graphh + texth),
 616                                         meta.color);
 617                         snprintf(buf, 10, "%.3g", show_min);
 618                         font->draw(narrow_to_wide(buf).c_str(),
 619                                         core::rect<s32>(textx, y - texth,
 620                                         textx2, y),
 621                                         meta.color);
 622                         font->draw(narrow_to_wide(id).c_str(),
 623                                         core::rect<s32>(textx, y - graphh/2 - texth/2,
 624                                         textx2, y - graphh/2 + texth/2),
 625                                         meta.color);
 626                         s32 graph1y = y;
 627                         s32 graph1h = graphh;
 628                         bool relativegraph = (show_min != 0 && show_min != show_max);
 629                         float lastscaledvalue = 0.0;
 630                         bool lastscaledvalue_exists = false;
 631                         for(std::list<Piece>::const_iterator j = m_log.begin();
 632                                         j != m_log.end(); j++)
 633                         {
 634                                 const Piece &piece = *j;
 635                                 float value = 0;
 636                                 bool value_exists = false;
 637                                 Profiler::GraphValues::const_iterator k =
 638                                                 piece.values.find(id);
 639                                 if(k != piece.values.end()){
 640                                         value = k->second;
 641                                         value_exists = true;
 642                                 }
 643                                 if(!value_exists){
 644                                         x++;
 645                                         lastscaledvalue_exists = false;
 646                                         continue;
 647                                 }
 648                                 float scaledvalue = 1.0;
 649                                 if(show_max != show_min)
 650                                         scaledvalue = (value - show_min) / (show_max - show_min);
 651                                 if(scaledvalue == 1.0 && value == 0){
 652                                         x++;
 653                                         lastscaledvalue_exists = false;
 654                                         continue;
 655                                 }
 656                                 if(relativegraph){
 657                                         if(lastscaledvalue_exists){
 658                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 659                                                 s32 ivalue2 = scaledvalue * graph1h;
 660                                                 driver->draw2DLine(v2s32(x-1, graph1y - ivalue1),
 661                                                                 v2s32(x, graph1y - ivalue2), meta.color);
 662                                         }
 663                                         lastscaledvalue = scaledvalue;
 664                                         lastscaledvalue_exists = true;
 665                                 } else{
 666                                         s32 ivalue = scaledvalue * graph1h;
 667                                         driver->draw2DLine(v2s32(x, graph1y),
 668                                                         v2s32(x, graph1y - ivalue), meta.color);
 669                                 }
 670                                 x++;
 671                         }
 672                         meta_i++;
 673                 }
 674         }
 675 };
 676
 677 class NodeDugEvent: public MtEvent
 678 {
 679 public:
 680         v3s16 p;
 681         MapNode n;
 682
 683         NodeDugEvent(v3s16 p, MapNode n):
 684                 p(p),
 685                 n(n)
 686         {}
 687         const char* getType() const
 688         {return "NodeDug";}
 689 };
 690
 691 class SoundMaker
 692 {
 693         ISoundManager *m_sound;
 694         INodeDefManager *m_ndef;
 695 public:
 696         float m_player_step_timer;
 697
 698         SimpleSoundSpec m_player_step_sound;
 699         SimpleSoundSpec m_player_leftpunch_sound;
 700         SimpleSoundSpec m_player_rightpunch_sound;
 701
 702         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 703                 m_sound(sound),
 704                 m_ndef(ndef),
 705                 m_player_step_timer(0)
 706         {
 707         }
 708
 709         void playPlayerStep()
 710         {
 711                 if(m_player_step_timer <= 0 && m_player_step_sound.exists()){
 712                         m_player_step_timer = 0.03;
 713                         m_sound->playSound(m_player_step_sound, false);
 714                 }
 715         }
 716
 717         static void viewBobbingStep(MtEvent *e, void *data)
 718         {
 719                 SoundMaker *sm = (SoundMaker*)data;
 720                 sm->playPlayerStep();
 721         }
 722
 723         static void playerRegainGround(MtEvent *e, void *data)
 724         {
 725                 SoundMaker *sm = (SoundMaker*)data;
 726                 sm->playPlayerStep();
 727         }
 728
 729         static void playerJump(MtEvent *e, void *data)
 730         {
 731                 //SoundMaker *sm = (SoundMaker*)data;
 732         }
 733
 734         static void cameraPunchLeft(MtEvent *e, void *data)
 735         {
 736                 SoundMaker *sm = (SoundMaker*)data;
 737                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 738         }
 739
 740         static void cameraPunchRight(MtEvent *e, void *data)
 741         {
 742                 SoundMaker *sm = (SoundMaker*)data;
 743                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 744         }
 745
 746         static void nodeDug(MtEvent *e, void *data)
 747         {
 748                 SoundMaker *sm = (SoundMaker*)data;
 749                 NodeDugEvent *nde = (NodeDugEvent*)e;
 750                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 751         }
 752
 753         static void playerDamage(MtEvent *e, void *data)
 754         {
 755                 SoundMaker *sm = (SoundMaker*)data;
 756                 sm->m_sound->playSound(SimpleSoundSpec("player_damage", 0.5), false);
 757         }
 758
 759         static void playerFallingDamage(MtEvent *e, void *data)
 760         {
 761                 SoundMaker *sm = (SoundMaker*)data;
 762                 sm->m_sound->playSound(SimpleSoundSpec("player_falling_damage", 0.5), false);
 763         }
 764
 765         void registerReceiver(MtEventManager *mgr)
 766         {
 767                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 768                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 769                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 770                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 771                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 772                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 773                 mgr->reg("PlayerDamage", SoundMaker::playerDamage, this);
 774                 mgr->reg("PlayerFallingDamage", SoundMaker::playerFallingDamage, this);
 775         }
 776
 777         void step(float dtime)
 778         {
 779                 m_player_step_timer -= dtime;
 780         }
 781 };
 782
 783 // Locally stored sounds don't need to be preloaded because of this
 784 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 785 {
 786         std::set<std::string> m_fetched;
 787 public:
 788
 789         void fetchSounds(const std::string &name,
 790                         std::set<std::string> &dst_paths,
 791                         std::set<std::string> &dst_datas)
 792         {
 793                 if(m_fetched.count(name))
 794                         return;
 795                 m_fetched.insert(name);
 796                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
 797                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
 798                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
 799                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
 800                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
 801                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
 802                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
 803                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
 804                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
 805                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
 806                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
 807                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
 808         }
 809 };
 810
 811 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 812 {
 813         Sky *m_sky;
 814         bool *m_force_fog_off;
 815         f32 *m_fog_range;
 816         Client *m_client;
 817
 818 public:
 819         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 820                         f32 *fog_range, Client *client):
 821                 m_sky(sky),
 822                 m_force_fog_off(force_fog_off),
 823                 m_fog_range(fog_range),
 824                 m_client(client)
 825         {}
 826         ~GameGlobalShaderConstantSetter() {}
 827
 828         virtual void onSetConstants(video::IMaterialRendererServices *services,
 829                         bool is_highlevel)
 830         {
 831                 if(!is_highlevel)
 832                         return;
 833
 834                 // Background color
 835                 video::SColor bgcolor = m_sky->getBgColor();
 836                 video::SColorf bgcolorf(bgcolor);
 837                 float bgcolorfa[4] = {
 838                         bgcolorf.r,
 839                         bgcolorf.g,
 840                         bgcolorf.b,
 841                         bgcolorf.a,
 842                 };
 843                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
 844
 845                 // Fog distance
 846                 float fog_distance = 10000*BS;
 847                 if(g_settings->getBool("enable_fog") && !*m_force_fog_off)
 848                         fog_distance = *m_fog_range;
 849                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
 850
 851                 // Day-night ratio
 852                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
 853                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
 854                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
 855
 856                 u32 animation_timer = porting::getTimeMs() % 100000;
 857                 float animation_timer_f = (float)animation_timer / 100000.0;
 858                 services->setPixelShaderConstant("animationTimer", &animation_timer_f, 1);
 859                 services->setVertexShaderConstant("animationTimer", &animation_timer_f, 1);
 860
 861                 LocalPlayer* player = m_client->getEnv().getLocalPlayer();
 862                 v3f eye_position = player->getEyePosition();
 863                 services->setPixelShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
 864                 services->setVertexShaderConstant("eyePosition", (irr::f32*)&eye_position, 3);
 865
 866                 // Uniform sampler layers
 867                 int layer0 = 0;
 868                 int layer1 = 1;
 869                 int layer2 = 2;
 870                 // before 1.8 there isn't a "integer interface", only float
 871 #if (IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 8)
 872                 services->setPixelShaderConstant("baseTexture" , (irr::f32*)&layer0, 1);
 873                 services->setPixelShaderConstant("normalTexture" , (irr::f32*)&layer1, 1);
 874                 services->setPixelShaderConstant("useNormalmap" , (irr::f32*)&layer2, 1);
 875 #else
 876                 services->setPixelShaderConstant("baseTexture" , (irr::s32*)&layer0, 1);
 877                 services->setPixelShaderConstant("normalTexture" , (irr::s32*)&layer1, 1);
 878                 services->setPixelShaderConstant("useNormalmap" , (irr::s32*)&layer2, 1);
 879 #endif
 880         }
 881 };
 882
 883 bool nodePlacementPrediction(Client &client,
 884                 const ItemDefinition &playeritem_def, v3s16 nodepos, v3s16 neighbourpos)
 885 {
 886         std::string prediction = playeritem_def.node_placement_prediction;
 887         INodeDefManager *nodedef = client.ndef();
 888         ClientMap &map = client.getEnv().getClientMap();
 889
 890         if(prediction != "" && !nodedef->get(map.getNode(nodepos)).rightclickable)
 891         {
 892                 verbosestream<<"Node placement prediction for "
 893                                 <<playeritem_def.name<<" is "
 894                                 <<prediction<<std::endl;
 895                 v3s16 p = neighbourpos;
 896                 // Place inside node itself if buildable_to
 897                 try{
 898                         MapNode n_under = map.getNode(nodepos);
 899                         if(nodedef->get(n_under).buildable_to)
 900                                 p = nodepos;
 901                         else if (!nodedef->get(map.getNode(p)).buildable_to)
 902                                 return false;
 903                 }catch(InvalidPositionException &e){}
 904                 // Find id of predicted node
 905                 content_t id;
 906                 bool found = nodedef->getId(prediction, id);
 907                 if(!found){
 908                         errorstream<<"Node placement prediction failed for "
 909                                         <<playeritem_def.name<<" (places "
 910                                         <<prediction
 911                                         <<") - Name not known"<<std::endl;
 912                         return false;
 913                 }
 914                 // Predict param2 for facedir and wallmounted nodes
 915                 u8 param2 = 0;
 916                 if(nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED){
 917                         v3s16 dir = nodepos - neighbourpos;
 918                         if(abs(dir.Y) > MYMAX(abs(dir.X), abs(dir.Z))){
 919                                 param2 = dir.Y < 0 ? 1 : 0;
 920                         } else if(abs(dir.X) > abs(dir.Z)){
 921                                 param2 = dir.X < 0 ? 3 : 2;
 922                         } else {
 923                                 param2 = dir.Z < 0 ? 5 : 4;
 924                         }
 925                 }
 926                 if(nodedef->get(id).param_type_2 == CPT2_FACEDIR){
 927                         v3s16 dir = nodepos - floatToInt(client.getEnv().getLocalPlayer()->getPosition(), BS);
 928                         if(abs(dir.X) > abs(dir.Z)){
 929                                 param2 = dir.X < 0 ? 3 : 1;
 930                         } else {
 931                                 param2 = dir.Z < 0 ? 2 : 0;
 932                         }
 933                 }
 934                 assert(param2 >= 0 && param2 <= 5);
 935                 //Check attachment if node is in group attached_node
 936                 if(((ItemGroupList) nodedef->get(id).groups)["attached_node"] != 0){
 937                         static v3s16 wallmounted_dirs[8] = {
 938                                 v3s16(0,1,0),
 939                                 v3s16(0,-1,0),
 940                                 v3s16(1,0,0),
 941                                 v3s16(-1,0,0),
 942                                 v3s16(0,0,1),
 943                                 v3s16(0,0,-1),
 944                         };
 945                         v3s16 pp;
 946                         if(nodedef->get(id).param_type_2 == CPT2_WALLMOUNTED)
 947                                 pp = p + wallmounted_dirs[param2];
 948                         else
 949                                 pp = p + v3s16(0,-1,0);
 950                         if(!nodedef->get(map.getNode(pp)).walkable)
 951                                 return false;
 952                 }
 953                 // Add node to client map
 954                 MapNode n(id, 0, param2);
 955                 try{
 956                         LocalPlayer* player = client.getEnv().getLocalPlayer();
 957
 958                         // Dont place node when player would be inside new node
 959                         // NOTE: This is to be eventually implemented by a mod as client-side Lua
 960                         if (!nodedef->get(n).walkable ||
 961                                 (client.checkPrivilege("noclip") && g_settings->getBool("noclip")) ||
 962                                 (nodedef->get(n).walkable &&
 963                                 neighbourpos != player->getStandingNodePos() + v3s16(0,1,0) &&
 964                                 neighbourpos != player->getStandingNodePos() + v3s16(0,2,0))) {
 965
 966                                         // This triggers the required mesh update too
 967                                         client.addNode(p, n);
 968                                         return true;
 969                                 }
 970                 }catch(InvalidPositionException &e){
 971                         errorstream<<"Node placement prediction failed for "
 972                                         <<playeritem_def.name<<" (places "
 973                                         <<prediction
 974                                         <<") - Position not loaded"<<std::endl;
 975                 }
 976         }
 977         return false;
 978 }
 979
 980 static void show_chat_menu(FormspecFormSource* current_formspec,
 981                 TextDest* current_textdest, IWritableTextureSource* tsrc,
 982                 IrrlichtDevice * device, Client* client, std::string text)
 983 {
 984         std::string formspec =
 985                 "size[11,5.5,true]"
 986                 "field[3,2.35;6,0.5;f_text;;" + text + "]"
 987                 "button_exit[4,3;3,0.5;btn_send;"  + wide_to_narrow(wstrgettext("Proceed")) + "]"
 988                 ;
 989
 990         /* Create menu */
 991         /* Note: FormspecFormSource and LocalFormspecHandler
 992          * are deleted by guiFormSpecMenu                     */
 993         current_formspec = new FormspecFormSource(formspec,&current_formspec);
 994         current_textdest = new LocalFormspecHandler("MT_CHAT_MENU",client);
 995         GUIFormSpecMenu *menu =
 996                         new GUIFormSpecMenu(device, guiroot, -1,
 997                                         &g_menumgr,
 998                                         NULL, NULL, tsrc);
 999         menu->doPause = false;
1000         menu->setFormSource(current_formspec);
1001         menu->setTextDest(current_textdest);
1002         menu->drop();
1003 }
1004
1005 /******************************************************************************/
1006 static void show_pause_menu(FormspecFormSource* current_formspec,
1007                 TextDest* current_textdest, IWritableTextureSource* tsrc,
1008                 IrrlichtDevice * device, bool singleplayermode)
1009 {
1010
1011         std::string control_text = wide_to_narrow(wstrgettext("Default Controls:\n"
1012                         "- WASD: move\n"
1013                         "- Space: jump/climb\n"
1014                         "- Shift: sneak/go down\n"
1015                         "- Q: drop item\n"
1016                         "- I: inventory\n"
1017                         "- Mouse: turn/look\n"
1018                         "- Mouse left: dig/punch\n"
1019                         "- Mouse right: place/use\n"
1020                         "- Mouse wheel: select item\n"
1021                         "- T: chat\n"
1022                         ));
1023
1024         float ypos = singleplayermode ? 1.0 : 0.5;
1025         std::ostringstream os;
1026
1027         os << "size[11,5.5,true]"
1028                         << "button_exit[4," << (ypos++) << ";3,0.5;btn_continue;"
1029                                         << wide_to_narrow(wstrgettext("Continue"))     << "]";
1030
1031         if (!singleplayermode) {
1032                 os << "button_exit[4," << (ypos++) << ";3,0.5;btn_change_password;"
1033                                         << wide_to_narrow(wstrgettext("Change Password")) << "]";
1034                 }
1035
1036         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_sound;"
1037                                         << wide_to_narrow(wstrgettext("Sound Volume")) << "]";
1038         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_menu;"
1039                                         << wide_to_narrow(wstrgettext("Exit to Menu")) << "]";
1040         os              << "button_exit[4," << (ypos++) << ";3,0.5;btn_exit_os;"
1041                                         << wide_to_narrow(wstrgettext("Exit to OS"))   << "]"
1042                         << "textarea[7.5,0.25;3.75,6;;" << control_text << ";]"
1043                         << "textarea[0.4,0.25;3.5,6;;" << "Minetest\n"
1044                         << minetest_build_info << "\n"
1045                         << "path_user = " << wrap_rows(porting::path_user, 20)
1046                         << "\n;]";
1047
1048         /* Create menu */
1049         /* Note: FormspecFormSource and LocalFormspecHandler  *
1050          * are deleted by guiFormSpecMenu                     */
1051         current_formspec = new FormspecFormSource(os.str(),&current_formspec);
1052         current_textdest = new LocalFormspecHandler("MT_PAUSE_MENU");
1053         GUIFormSpecMenu *menu =
1054                 new GUIFormSpecMenu(device, guiroot, -1, &g_menumgr, NULL, NULL, tsrc);
1055         menu->doPause = true;
1056         menu->setFormSource(current_formspec);
1057         menu->setTextDest(current_textdest);
1058         menu->drop();
1059 }
1060
1061 /******************************************************************************/
1062 void the_game(bool &kill, bool random_input, InputHandler *input,
1063         IrrlichtDevice *device, gui::IGUIFont* font, std::string map_dir,
1064         std::string playername, std::string password,
1065         std::string address /* If "", local server is used */,
1066         u16 port, std::wstring &error_message, ChatBackend &chat_backend,
1067         const SubgameSpec &gamespec /* Used for local game */,
1068         bool simple_singleplayer_mode)
1069 {
1070         FormspecFormSource* current_formspec = 0;
1071         TextDest* current_textdest = 0;
1072         video::IVideoDriver* driver = device->getVideoDriver();
1073         scene::ISceneManager* smgr = device->getSceneManager();
1074
1075         // Calculate text height using the font
1076         u32 text_height = font->getDimension(L"Random test string").Height;
1077
1078         v2u32 last_screensize(0,0);
1079         v2u32 screensize = driver->getScreenSize();
1080
1081         /*
1082                 Draw "Loading" screen
1083         */
1084
1085         {
1086                 wchar_t* text = wgettext("Loading...");
1087                 draw_load_screen(text, device, font,0,0);
1088                 delete[] text;
1089         }
1090
1091         // Create texture source
1092         IWritableTextureSource *tsrc = createTextureSource(device);
1093
1094         // Create shader source
1095         IWritableShaderSource *shsrc = createShaderSource(device);
1096
1097         // These will be filled by data received from the server
1098         // Create item definition manager
1099         IWritableItemDefManager *itemdef = createItemDefManager();
1100         // Create node definition manager
1101         IWritableNodeDefManager *nodedef = createNodeDefManager();
1102
1103         // Sound fetcher (useful when testing)
1104         GameOnDemandSoundFetcher soundfetcher;
1105
1106         // Sound manager
1107         ISoundManager *sound = NULL;
1108         bool sound_is_dummy = false;
1109 #if USE_SOUND
1110         if(g_settings->getBool("enable_sound")){
1111                 infostream<<"Attempting to use OpenAL audio"<<std::endl;
1112                 sound = createOpenALSoundManager(&soundfetcher);
1113                 if(!sound)
1114                         infostream<<"Failed to initialize OpenAL audio"<<std::endl;
1115         } else {
1116                 infostream<<"Sound disabled."<<std::endl;
1117         }
1118 #endif
1119         if(!sound){
1120                 infostream<<"Using dummy audio."<<std::endl;
1121                 sound = &dummySoundManager;
1122                 sound_is_dummy = true;
1123         }
1124
1125         Server *server = NULL;
1126
1127         try{
1128         // Event manager
1129         EventManager eventmgr;
1130
1131         // Sound maker
1132         SoundMaker soundmaker(sound, nodedef);
1133         soundmaker.registerReceiver(&eventmgr);
1134
1135         // Add chat log output for errors to be shown in chat
1136         LogOutputBuffer chat_log_error_buf(LMT_ERROR);
1137
1138         // Create UI for modifying quicktune values
1139         QuicktuneShortcutter quicktune;
1140
1141         /*
1142                 Create server.
1143         */
1144
1145         if(address == ""){
1146                 wchar_t* text = wgettext("Creating server....");
1147                 draw_load_screen(text, device, font,0,25);
1148                 delete[] text;
1149                 infostream<<"Creating server"<<std::endl;
1150
1151                 std::string bind_str = g_settings->get("bind_address");
1152                 Address bind_addr(0,0,0,0, port);
1153
1154                 if (g_settings->getBool("ipv6_server")) {
1155                         bind_addr.setAddress((IPv6AddressBytes*) NULL);
1156                 }
1157                 try {
1158                         bind_addr.Resolve(bind_str.c_str());
1159                         address = bind_str;
1160                 } catch (ResolveError &e) {
1161                         infostream << "Resolving bind address \"" << bind_str
1162                                            << "\" failed: " << e.what()
1163                                            << " -- Listening on all addresses." << std::endl;
1164                 }
1165
1166                 if(bind_addr.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1167                         error_message = L"Unable to listen on " +
1168                                 narrow_to_wide(bind_addr.serializeString()) +
1169                                 L" because IPv6 is disabled";
1170                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1171                         // Break out of client scope
1172                         return;
1173                 }
1174
1175                 server = new Server(map_dir, gamespec,
1176                                 simple_singleplayer_mode,
1177                                 bind_addr.isIPv6());
1178
1179                 server->start(bind_addr);
1180         }
1181
1182         do{ // Client scope (breakable do-while(0))
1183
1184         /*
1185                 Create client
1186         */
1187
1188         {
1189                 wchar_t* text = wgettext("Creating client...");
1190                 draw_load_screen(text, device, font,0,50);
1191                 delete[] text;
1192         }
1193         infostream<<"Creating client"<<std::endl;
1194
1195         MapDrawControl draw_control;
1196
1197         {
1198                 wchar_t* text = wgettext("Resolving address...");
1199                 draw_load_screen(text, device, font,0,75);
1200                 delete[] text;
1201         }
1202         Address connect_address(0,0,0,0, port);
1203         try {
1204                 connect_address.Resolve(address.c_str());
1205                 if (connect_address.isZero()) { // i.e. INADDR_ANY, IN6ADDR_ANY
1206                         //connect_address.Resolve("localhost");
1207                         if (connect_address.isIPv6()) {
1208                                 IPv6AddressBytes addr_bytes;
1209                                 addr_bytes.bytes[15] = 1;
1210                                 connect_address.setAddress(&addr_bytes);
1211                         } else {
1212                                 connect_address.setAddress(127,0,0,1);
1213                         }
1214                 }
1215         }
1216         catch(ResolveError &e) {
1217                 error_message = L"Couldn't resolve address: " + narrow_to_wide(e.what());
1218                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1219                 // Break out of client scope
1220                 break;
1221         }
1222         if(connect_address.isIPv6() && !g_settings->getBool("enable_ipv6")) {
1223                 error_message = L"Unable to connect to " +
1224                         narrow_to_wide(connect_address.serializeString()) +
1225                         L" because IPv6 is disabled";
1226                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1227                 // Break out of client scope
1228                 break;
1229         }
1230
1231         /*
1232                 Create client
1233         */
1234         Client client(device, playername.c_str(), password, draw_control,
1235                 tsrc, shsrc, itemdef, nodedef, sound, &eventmgr,
1236                 connect_address.isIPv6());
1237
1238         // Client acts as our GameDef
1239         IGameDef *gamedef = &client;
1240
1241         /*
1242                 Attempt to connect to the server
1243         */
1244
1245         infostream<<"Connecting to server at ";
1246         connect_address.print(&infostream);
1247         infostream<<std::endl;
1248         client.connect(connect_address);
1249
1250         /*
1251                 Wait for server to accept connection
1252         */
1253         bool could_connect = false;
1254         bool connect_aborted = false;
1255         try{
1256                 float time_counter = 0.0;
1257                 input->clear();
1258                 float fps_max = g_settings->getFloat("fps_max");
1259                 bool cloud_menu_background = g_settings->getBool("menu_clouds");
1260                 u32 lasttime = device->getTimer()->getTime();
1261                 while(device->run())
1262                 {
1263                         f32 dtime = 0.033; // in seconds
1264                         if (cloud_menu_background) {
1265                                 u32 time = device->getTimer()->getTime();
1266                                 if(time > lasttime)
1267                                         dtime = (time - lasttime) / 1000.0;
1268                                 else
1269                                         dtime = 0;
1270                                 lasttime = time;
1271                         }
1272                         // Update client and server
1273                         client.step(dtime);
1274                         if(server != NULL)
1275                                 server->step(dtime);
1276
1277                         // End condition
1278                         if(client.getState() == LC_Init){
1279                                 could_connect = true;
1280                                 break;
1281                         }
1282                         // Break conditions
1283                         if(client.accessDenied()){
1284                                 error_message = L"Access denied. Reason: "
1285                                                 +client.accessDeniedReason();
1286                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1287                                 break;
1288                         }
1289                         if(input->wasKeyDown(EscapeKey)){
1290                                 connect_aborted = true;
1291                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1292                                 break;
1293                         }
1294
1295                         // Display status
1296                         {
1297                                 wchar_t* text = wgettext("Connecting to server...");
1298                                 draw_load_screen(text, device, font, dtime, 100);
1299                                 delete[] text;
1300                         }
1301
1302                         // On some computers framerate doesn't seem to be
1303                         // automatically limited
1304                         if (cloud_menu_background) {
1305                                 // Time of frame without fps limit
1306                                 float busytime;
1307                                 u32 busytime_u32;
1308                                 // not using getRealTime is necessary for wine
1309                                 u32 time = device->getTimer()->getTime();
1310                                 if(time > lasttime)
1311                                         busytime_u32 = time - lasttime;
1312                                 else
1313                                         busytime_u32 = 0;
1314                                 busytime = busytime_u32 / 1000.0;
1315
1316                                 // FPS limiter
1317                                 u32 frametime_min = 1000./fps_max;
1318
1319                                 if(busytime_u32 < frametime_min) {
1320                                         u32 sleeptime = frametime_min - busytime_u32;
1321                                         device->sleep(sleeptime);
1322                                 }
1323                         } else {
1324                                 sleep_ms(25);
1325                         }
1326                         time_counter += dtime;
1327                 }
1328         }
1329         catch(con::PeerNotFoundException &e)
1330         {}
1331
1332         /*
1333                 Handle failure to connect
1334         */
1335         if(!could_connect){
1336                 if(error_message == L"" && !connect_aborted){
1337                         error_message = L"Connection failed";
1338                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1339                 }
1340                 // Break out of client scope
1341                 break;
1342         }
1343
1344         /*
1345                 Wait until content has been received
1346         */
1347         bool got_content = false;
1348         bool content_aborted = false;
1349         {
1350                 float time_counter = 0.0;
1351                 input->clear();
1352                 float fps_max = g_settings->getFloat("fps_max");
1353                 bool cloud_menu_background = g_settings->getBool("menu_clouds");
1354                 u32 lasttime = device->getTimer()->getTime();
1355                 while(device->run())
1356                 {
1357                         f32 dtime = 0.033; // in seconds
1358                         if (cloud_menu_background) {
1359                                 u32 time = device->getTimer()->getTime();
1360                                 if(time > lasttime)
1361                                         dtime = (time - lasttime) / 1000.0;
1362                                 else
1363                                         dtime = 0;
1364                                 lasttime = time;
1365                         }
1366                         // Update client and server
1367                         client.step(dtime);
1368                         if(server != NULL)
1369                                 server->step(dtime);
1370
1371                         // End condition
1372                         if(client.mediaReceived() &&
1373                                         client.itemdefReceived() &&
1374                                         client.nodedefReceived()){
1375                                 got_content = true;
1376                                 break;
1377                         }
1378                         // Break conditions
1379                         if(client.accessDenied()){
1380                                 error_message = L"Access denied. Reason: "
1381                                                 +client.accessDeniedReason();
1382                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1383                                 break;
1384                         }
1385                         if(client.getState() < LC_Init){
1386                                 error_message = L"Client disconnected";
1387                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1388                                 break;
1389                         }
1390                         if(input->wasKeyDown(EscapeKey)){
1391                                 content_aborted = true;
1392                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1393                                 break;
1394                         }
1395
1396                         // Display status
1397                         int progress=0;
1398                         if (!client.itemdefReceived())
1399                         {
1400                                 wchar_t* text = wgettext("Item definitions...");
1401                                 progress = 0;
1402                                 draw_load_screen(text, device, font, dtime, progress);
1403                                 delete[] text;
1404                         }
1405                         else if (!client.nodedefReceived())
1406                         {
1407                                 wchar_t* text = wgettext("Node definitions...");
1408                                 progress = 25;
1409                                 draw_load_screen(text, device, font, dtime, progress);
1410                                 delete[] text;
1411                         }
1412                         else
1413                         {
1414                                 wchar_t* text = wgettext("Media...");
1415                                 progress = 50+client.mediaReceiveProgress()*50+0.5;
1416                                 draw_load_screen(text, device, font, dtime, progress);
1417                                 delete[] text;
1418                         }
1419
1420                         // On some computers framerate doesn't seem to be
1421                         // automatically limited
1422                         if (cloud_menu_background) {
1423                                 // Time of frame without fps limit
1424                                 float busytime;
1425                                 u32 busytime_u32;
1426                                 // not using getRealTime is necessary for wine
1427                                 u32 time = device->getTimer()->getTime();
1428                                 if(time > lasttime)
1429                                         busytime_u32 = time - lasttime;
1430                                 else
1431                                         busytime_u32 = 0;
1432                                 busytime = busytime_u32 / 1000.0;
1433
1434                                 // FPS limiter
1435                                 u32 frametime_min = 1000./fps_max;
1436
1437                                 if(busytime_u32 < frametime_min) {
1438                                         u32 sleeptime = frametime_min - busytime_u32;
1439                                         device->sleep(sleeptime);
1440                                 }
1441                         } else {
1442                                 sleep_ms(25);
1443                         }
1444                         time_counter += dtime;
1445                 }
1446         }
1447
1448         if(!got_content){
1449                 if(error_message == L"" && !content_aborted){
1450                         error_message = L"Something failed";
1451                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1452                 }
1453                 // Break out of client scope
1454                 break;
1455         }
1456
1457         /*
1458                 After all content has been received:
1459                 Update cached textures, meshes and materials
1460         */
1461         client.afterContentReceived(device,font);
1462
1463         /*
1464                 Create the camera node
1465         */
1466         Camera camera(smgr, draw_control, gamedef);
1467         if (!camera.successfullyCreated(error_message))
1468                 return;
1469
1470         f32 camera_yaw = 0; // "right/left"
1471         f32 camera_pitch = 0; // "up/down"
1472
1473         int current_camera_mode = CAMERA_MODE_FIRST; // start in first-person view
1474
1475         /*
1476                 Clouds
1477         */
1478
1479         Clouds *clouds = NULL;
1480         if(g_settings->getBool("enable_clouds"))
1481         {
1482                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
1483         }
1484
1485         /*
1486                 Skybox thingy
1487         */
1488
1489         Sky *sky = NULL;
1490         sky = new Sky(smgr->getRootSceneNode(), smgr, -1, client.getEnv().getLocalPlayer());
1491
1492         scene::ISceneNode* skybox = NULL;
1493
1494         /*
1495                 A copy of the local inventory
1496         */
1497         Inventory local_inventory(itemdef);
1498
1499         /*
1500                 Find out size of crack animation
1501         */
1502         int crack_animation_length = 5;
1503         {
1504                 video::ITexture *t = tsrc->getTexture("crack_anylength.png");
1505                 v2u32 size = t->getOriginalSize();
1506                 crack_animation_length = size.Y / size.X;
1507         }
1508
1509         /*
1510                 Add some gui stuff
1511         */
1512
1513         // First line of debug text
1514         gui::IGUIStaticText *guitext = guienv->addStaticText(
1515                         L"Minetest",
1516                         core::rect<s32>(5, 5, 795, 5+text_height),
1517                         false, false);
1518         // Second line of debug text
1519         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
1520                         L"",
1521                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
1522                         false, false);
1523         // At the middle of the screen
1524         // Object infos are shown in this
1525         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
1526                         L"",
1527                         core::rect<s32>(0,0,400,text_height*5+5) + v2s32(100,200),
1528                         false, true);
1529
1530         // Status text (displays info when showing and hiding GUI stuff, etc.)
1531         gui::IGUIStaticText *guitext_status = guienv->addStaticText(
1532                         L"<Status>",
1533                         core::rect<s32>(0,0,0,0),
1534                         false, false);
1535         guitext_status->setVisible(false);
1536
1537         std::wstring statustext;
1538         float statustext_time = 0;
1539
1540         // Chat text
1541         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
1542                         L"",
1543                         core::rect<s32>(0,0,0,0),
1544                         //false, false); // Disable word wrap as of now
1545                         false, true);
1546         // Remove stale "recent" chat messages from previous connections
1547         chat_backend.clearRecentChat();
1548         // Chat backend and console
1549         GUIChatConsole *gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(), -1, &chat_backend, &client);
1550
1551         // Profiler text (size is updated when text is updated)
1552         gui::IGUIStaticText *guitext_profiler = guienv->addStaticText(
1553                         L"<Profiler>",
1554                         core::rect<s32>(0,0,0,0),
1555                         false, false);
1556         guitext_profiler->setBackgroundColor(video::SColor(120,0,0,0));
1557         guitext_profiler->setVisible(false);
1558         guitext_profiler->setWordWrap(true);
1559
1560         /*
1561                 Some statistics are collected in these
1562         */
1563         u32 drawtime = 0;
1564         u32 beginscenetime = 0;
1565         u32 scenetime = 0;
1566         u32 endscenetime = 0;
1567
1568         float recent_turn_speed = 0.0;
1569
1570         ProfilerGraph graph;
1571         // Initially clear the profiler
1572         Profiler::GraphValues dummyvalues;
1573         g_profiler->graphGet(dummyvalues);
1574
1575         float nodig_delay_timer = 0.0;
1576         float dig_time = 0.0;
1577         u16 dig_index = 0;
1578         PointedThing pointed_old;
1579         bool digging = false;
1580         bool ldown_for_dig = false;
1581
1582         float damage_flash = 0;
1583
1584         float jump_timer = 0;
1585         bool reset_jump_timer = false;
1586
1587         const float object_hit_delay = 0.2;
1588         float object_hit_delay_timer = 0.0;
1589         float time_from_last_punch = 10;
1590
1591         float update_draw_list_timer = 0.0;
1592         v3f update_draw_list_last_cam_dir;
1593
1594         bool invert_mouse = g_settings->getBool("invert_mouse");
1595
1596         bool respawn_menu_active = false;
1597         bool update_wielded_item_trigger = true;
1598
1599         bool show_hud = true;
1600         bool show_chat = true;
1601         bool force_fog_off = false;
1602         f32 fog_range = 100*BS;
1603         bool disable_camera_update = false;
1604         bool show_debug = g_settings->getBool("show_debug");
1605         bool show_profiler_graph = false;
1606         u32 show_profiler = 0;
1607         u32 show_profiler_max = 3;  // Number of pages
1608
1609         float time_of_day = 0;
1610         float time_of_day_smooth = 0;
1611
1612         float repeat_rightclick_timer = 0;
1613
1614         /*
1615                 Shader constants
1616         */
1617         shsrc->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1618                         sky, &force_fog_off, &fog_range, &client));
1619
1620         /*
1621                 Main loop
1622         */
1623
1624         bool first_loop_after_window_activation = true;
1625
1626         // TODO: Convert the static interval timers to these
1627         // Interval limiter for profiler
1628         IntervalLimiter m_profiler_interval;
1629
1630         // Time is in milliseconds
1631         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1632         // NOTE: So we have to use getTime() and call run()s between them
1633         u32 lasttime = device->getTimer()->getTime();
1634
1635         LocalPlayer* player = client.getEnv().getLocalPlayer();
1636         player->hurt_tilt_timer = 0;
1637         player->hurt_tilt_strength = 0;
1638
1639         /*
1640                 HUD object
1641         */
1642         Hud hud(driver, smgr, guienv, font, text_height,
1643                         gamedef, player, &local_inventory);
1644
1645         bool use_weather = g_settings->getBool("weather");
1646
1647         core::stringw str = L"Minetest [";
1648         str += driver->getName();
1649         str += "]";
1650         device->setWindowCaption(str.c_str());
1651
1652         // Info text
1653         std::wstring infotext;
1654
1655         for(;;)
1656         {
1657                 if(device->run() == false || kill == true)
1658                         break;
1659
1660                 // Time of frame without fps limit
1661                 float busytime;
1662                 u32 busytime_u32;
1663                 {
1664                         // not using getRealTime is necessary for wine
1665                         u32 time = device->getTimer()->getTime();
1666                         if(time > lasttime)
1667                                 busytime_u32 = time - lasttime;
1668                         else
1669                                 busytime_u32 = 0;
1670                         busytime = busytime_u32 / 1000.0;
1671                 }
1672
1673                 g_profiler->graphAdd("mainloop_other", busytime - (float)drawtime/1000.0f);
1674
1675                 // Necessary for device->getTimer()->getTime()
1676                 device->run();
1677
1678                 /*
1679                         FPS limiter
1680                 */
1681
1682                 {
1683                         float fps_max = g_menumgr.pausesGame() ?
1684                                         g_settings->getFloat("pause_fps_max") :
1685                                         g_settings->getFloat("fps_max");
1686                         u32 frametime_min = 1000./fps_max;
1687
1688                         if(busytime_u32 < frametime_min)
1689                         {
1690                                 u32 sleeptime = frametime_min - busytime_u32;
1691                                 device->sleep(sleeptime);
1692                                 g_profiler->graphAdd("mainloop_sleep", (float)sleeptime/1000.0f);
1693                         }
1694                 }
1695
1696                 // Necessary for device->getTimer()->getTime()
1697                 device->run();
1698
1699                 /*
1700                         Time difference calculation
1701                 */
1702                 f32 dtime; // in seconds
1703
1704                 u32 time = device->getTimer()->getTime();
1705                 if(time > lasttime)
1706                         dtime = (time - lasttime) / 1000.0;
1707                 else
1708                         dtime = 0;
1709                 lasttime = time;
1710
1711                 g_profiler->graphAdd("mainloop_dtime", dtime);
1712
1713                 /* Run timers */
1714
1715                 if(nodig_delay_timer >= 0)
1716                         nodig_delay_timer -= dtime;
1717                 if(object_hit_delay_timer >= 0)
1718                         object_hit_delay_timer -= dtime;
1719                 time_from_last_punch += dtime;
1720
1721                 g_profiler->add("Elapsed time", dtime);
1722                 g_profiler->avg("FPS", 1./dtime);
1723
1724                 /*
1725                         Time average and jitter calculation
1726                 */
1727
1728                 static f32 dtime_avg1 = 0.0;
1729                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1730                 f32 dtime_jitter1 = dtime - dtime_avg1;
1731
1732                 static f32 dtime_jitter1_max_sample = 0.0;
1733                 static f32 dtime_jitter1_max_fraction = 0.0;
1734                 {
1735                         static f32 jitter1_max = 0.0;
1736                         static f32 counter = 0.0;
1737                         if(dtime_jitter1 > jitter1_max)
1738                                 jitter1_max = dtime_jitter1;
1739                         counter += dtime;
1740                         if(counter > 0.0)
1741                         {
1742                                 counter -= 3.0;
1743                                 dtime_jitter1_max_sample = jitter1_max;
1744                                 dtime_jitter1_max_fraction
1745                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1746                                 jitter1_max = 0.0;
1747                         }
1748                 }
1749
1750                 /*
1751                         Busytime average and jitter calculation
1752                 */
1753
1754                 static f32 busytime_avg1 = 0.0;
1755                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1756                 f32 busytime_jitter1 = busytime - busytime_avg1;
1757
1758                 static f32 busytime_jitter1_max_sample = 0.0;
1759                 static f32 busytime_jitter1_min_sample = 0.0;
1760                 {
1761                         static f32 jitter1_max = 0.0;
1762                         static f32 jitter1_min = 0.0;
1763                         static f32 counter = 0.0;
1764                         if(busytime_jitter1 > jitter1_max)
1765                                 jitter1_max = busytime_jitter1;
1766                         if(busytime_jitter1 < jitter1_min)
1767                                 jitter1_min = busytime_jitter1;
1768                         counter += dtime;
1769                         if(counter > 0.0){
1770                                 counter -= 3.0;
1771                                 busytime_jitter1_max_sample = jitter1_max;
1772                                 busytime_jitter1_min_sample = jitter1_min;
1773                                 jitter1_max = 0.0;
1774                                 jitter1_min = 0.0;
1775                         }
1776                 }
1777
1778                 /*
1779                         Handle miscellaneous stuff
1780                 */
1781
1782                 if(client.accessDenied())
1783                 {
1784                         error_message = L"Access denied. Reason: "
1785                                         +client.accessDeniedReason();
1786                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1787                         break;
1788                 }
1789
1790                 if(g_gamecallback->disconnect_requested)
1791                 {
1792                         g_gamecallback->disconnect_requested = false;
1793                         break;
1794                 }
1795
1796                 if(g_gamecallback->changepassword_requested)
1797                 {
1798                         (new GUIPasswordChange(guienv, guiroot, -1,
1799                                 &g_menumgr, &client))->drop();
1800                         g_gamecallback->changepassword_requested = false;
1801                 }
1802
1803                 if(g_gamecallback->changevolume_requested)
1804                 {
1805                         (new GUIVolumeChange(guienv, guiroot, -1,
1806                                 &g_menumgr, &client))->drop();
1807                         g_gamecallback->changevolume_requested = false;
1808                 }
1809
1810                 /* Process TextureSource's queue */
1811                 tsrc->processQueue();
1812
1813                 /* Process ItemDefManager's queue */
1814                 itemdef->processQueue(gamedef);
1815
1816                 /*
1817                         Process ShaderSource's queue
1818                 */
1819                 shsrc->processQueue();
1820
1821                 /*
1822                         Random calculations
1823                 */
1824                 last_screensize = screensize;
1825                 screensize = driver->getScreenSize();
1826                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1827                 //bool screensize_changed = screensize != last_screensize;
1828
1829
1830                 // Update HUD values
1831                 hud.screensize    = screensize;
1832                 hud.displaycenter = displaycenter;
1833                 hud.resizeHotbar();
1834
1835                 // Hilight boxes collected during the loop and displayed
1836                 std::vector<aabb3f> hilightboxes;
1837
1838                 /* reset infotext */
1839                 infotext = L"";
1840                 /*
1841                         Profiler
1842                 */
1843                 float profiler_print_interval =
1844                                 g_settings->getFloat("profiler_print_interval");
1845                 bool print_to_log = true;
1846                 if(profiler_print_interval == 0){
1847                         print_to_log = false;
1848                         profiler_print_interval = 5;
1849                 }
1850                 if(m_profiler_interval.step(dtime, profiler_print_interval))
1851                 {
1852                         if(print_to_log){
1853                                 infostream<<"Profiler:"<<std::endl;
1854                                 g_profiler->print(infostream);
1855                         }
1856
1857                         update_profiler_gui(guitext_profiler, font, text_height,
1858                                         show_profiler, show_profiler_max);
1859
1860                         g_profiler->clear();
1861                 }
1862
1863                 /*
1864                         Direct handling of user input
1865                 */
1866
1867                 // Reset input if window not active or some menu is active
1868                 if(device->isWindowActive() == false
1869                                 || noMenuActive() == false
1870                                 || guienv->hasFocus(gui_chat_console))
1871                 {
1872                         input->clear();
1873                 }
1874                 if (!guienv->hasFocus(gui_chat_console) && gui_chat_console->isOpen())
1875                 {
1876                         gui_chat_console->closeConsoleAtOnce();
1877                 }
1878
1879                 // Input handler step() (used by the random input generator)
1880                 input->step(dtime);
1881
1882                 // Increase timer for doubleclick of "jump"
1883                 if(g_settings->getBool("doubletap_jump") && jump_timer <= 0.2)
1884                         jump_timer += dtime;
1885
1886                 /*
1887                         Launch menus and trigger stuff according to keys
1888                 */
1889                 if(input->wasKeyDown(getKeySetting("keymap_drop")))
1890                 {
1891                         // drop selected item
1892                         IDropAction *a = new IDropAction();
1893                         a->count = 0;
1894                         a->from_inv.setCurrentPlayer();
1895                         a->from_list = "main";
1896                         a->from_i = client.getPlayerItem();
1897                         client.inventoryAction(a);
1898                 }
1899                 else if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1900                 {
1901                         infostream<<"the_game: "
1902                                         <<"Launching inventory"<<std::endl;
1903
1904                         GUIFormSpecMenu *menu =
1905                                 new GUIFormSpecMenu(device, guiroot, -1,
1906                                         &g_menumgr,
1907                                         &client, gamedef, tsrc);
1908
1909                         InventoryLocation inventoryloc;
1910                         inventoryloc.setCurrentPlayer();
1911
1912                         PlayerInventoryFormSource *src = new PlayerInventoryFormSource(&client);
1913                         assert(src);
1914                         menu->doPause = false;
1915                         menu->setFormSpec(src->getForm(), inventoryloc);
1916                         menu->setFormSource(src);
1917                         menu->setTextDest(new TextDestPlayerInventory(&client));
1918                         menu->drop();
1919                 }
1920                 else if(input->wasKeyDown(EscapeKey))
1921                 {
1922                         show_pause_menu(current_formspec, current_textdest, tsrc, device,
1923                                         simple_singleplayer_mode);
1924                 }
1925                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1926                 {
1927                         show_chat_menu(current_formspec, current_textdest, tsrc, device, &client,"");
1928                 }
1929                 else if(input->wasKeyDown(getKeySetting("keymap_cmd")))
1930                 {
1931                         show_chat_menu(current_formspec, current_textdest, tsrc, device, &client,"/");
1932                 }
1933                 else if(input->wasKeyDown(getKeySetting("keymap_console")))
1934                 {
1935                         if (!gui_chat_console->isOpenInhibited())
1936                         {
1937                                 // Open up to over half of the screen
1938                                 gui_chat_console->openConsole(0.6);
1939                                 guienv->setFocus(gui_chat_console);
1940                         }
1941                 }
1942                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1943                 {
1944                         if(g_settings->getBool("free_move"))
1945                         {
1946                                 g_settings->set("free_move","false");
1947                                 statustext = L"free_move disabled";
1948                                 statustext_time = 0;
1949                         }
1950                         else
1951                         {
1952                                 g_settings->set("free_move","true");
1953                                 statustext = L"free_move enabled";
1954                                 statustext_time = 0;
1955                                 if(!client.checkPrivilege("fly"))
1956                                         statustext += L" (note: no 'fly' privilege)";
1957                         }
1958                 }
1959                 else if(input->wasKeyDown(getKeySetting("keymap_jump")))
1960                 {
1961                         if(g_settings->getBool("doubletap_jump") && jump_timer < 0.2)
1962                         {
1963                                 if(g_settings->getBool("free_move"))
1964                                 {
1965                                         g_settings->set("free_move","false");
1966                                         statustext = L"free_move disabled";
1967                                         statustext_time = 0;
1968                                 }
1969                                 else
1970                                 {
1971                                         g_settings->set("free_move","true");
1972                                         statustext = L"free_move enabled";
1973                                         statustext_time = 0;
1974                                         if(!client.checkPrivilege("fly"))
1975                                                 statustext += L" (note: no 'fly' privilege)";
1976                                 }
1977                         }
1978                         reset_jump_timer = true;
1979                 }
1980                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1981                 {
1982                         if(g_settings->getBool("fast_move"))
1983                         {
1984                                 g_settings->set("fast_move","false");
1985                                 statustext = L"fast_move disabled";
1986                                 statustext_time = 0;
1987                         }
1988                         else
1989                         {
1990                                 g_settings->set("fast_move","true");
1991                                 statustext = L"fast_move enabled";
1992                                 statustext_time = 0;
1993                                 if(!client.checkPrivilege("fast"))
1994                                         statustext += L" (note: no 'fast' privilege)";
1995                         }
1996                 }
1997                 else if(input->wasKeyDown(getKeySetting("keymap_noclip")))
1998                 {
1999                         if(g_settings->getBool("noclip"))
2000                         {
2001                                 g_settings->set("noclip","false");
2002                                 statustext = L"noclip disabled";
2003                                 statustext_time = 0;
2004                         }
2005                         else
2006                         {
2007                                 g_settings->set("noclip","true");
2008                                 statustext = L"noclip enabled";
2009                                 statustext_time = 0;
2010                                 if(!client.checkPrivilege("noclip"))
2011                                         statustext += L" (note: no 'noclip' privilege)";
2012                         }
2013                 }
2014                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
2015                 {
2016                         irr::video::IImage* const image = driver->createScreenShot();
2017                         if (image) {
2018                                 irr::c8 filename[256];
2019                                 snprintf(filename, 256, "%s" DIR_DELIM "screenshot_%u.png",
2020                                                  g_settings->get("screenshot_path").c_str(),
2021                                                  device->getTimer()->getRealTime());
2022                                 if (driver->writeImageToFile(image, filename)) {
2023                                         std::wstringstream sstr;
2024                                         sstr<<"Saved screenshot to '"<<filename<<"'";
2025                                         infostream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
2026                                         statustext = sstr.str();
2027                                         statustext_time = 0;
2028                                 } else{
2029                                         infostream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
2030                                 }
2031                                 image->drop();
2032                         }
2033                 }
2034                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_hud")))
2035                 {
2036                         show_hud = !show_hud;
2037                         if(show_hud)
2038                                 statustext = L"HUD shown";
2039                         else
2040                                 statustext = L"HUD hidden";
2041                         statustext_time = 0;
2042                 }
2043                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_chat")))
2044                 {
2045                         show_chat = !show_chat;
2046                         if(show_chat)
2047                                 statustext = L"Chat shown";
2048                         else
2049                                 statustext = L"Chat hidden";
2050                         statustext_time = 0;
2051                 }
2052                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_force_fog_off")))
2053                 {
2054                         force_fog_off = !force_fog_off;
2055                         if(force_fog_off)
2056                                 statustext = L"Fog disabled";
2057                         else
2058                                 statustext = L"Fog enabled";
2059                         statustext_time = 0;
2060                 }
2061                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_update_camera")))
2062                 {
2063                         disable_camera_update = !disable_camera_update;
2064                         if(disable_camera_update)
2065                                 statustext = L"Camera update disabled";
2066                         else
2067                                 statustext = L"Camera update enabled";
2068                         statustext_time = 0;
2069                 }
2070                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_debug")))
2071                 {
2072                         // Initial / 3x toggle: Chat only
2073                         // 1x toggle: Debug text with chat
2074                         // 2x toggle: Debug text with profiler graph
2075                         if(!show_debug)
2076                         {
2077                                 show_debug = true;
2078                                 show_profiler_graph = false;
2079                                 statustext = L"Debug info shown";
2080                                 statustext_time = 0;
2081                         }
2082                         else if(show_profiler_graph)
2083                         {
2084                                 show_debug = false;
2085                                 show_profiler_graph = false;
2086                                 statustext = L"Debug info and profiler graph hidden";
2087                                 statustext_time = 0;
2088                         }
2089                         else
2090                         {
2091                                 show_profiler_graph = true;
2092                                 statustext = L"Profiler graph shown";
2093                                 statustext_time = 0;
2094                         }
2095                 }
2096                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_profiler")))
2097                 {
2098                         show_profiler = (show_profiler + 1) % (show_profiler_max + 1);
2099
2100                         // FIXME: This updates the profiler with incomplete values
2101                         update_profiler_gui(guitext_profiler, font, text_height,
2102                                         show_profiler, show_profiler_max);
2103
2104                         if(show_profiler != 0)
2105                         {
2106                                 std::wstringstream sstr;
2107                                 sstr<<"Profiler shown (page "<<show_profiler
2108                                         <<" of "<<show_profiler_max<<")";
2109                                 statustext = sstr.str();
2110                                 statustext_time = 0;
2111                         }
2112                         else
2113                         {
2114                                 statustext = L"Profiler hidden";
2115                                 statustext_time = 0;
2116                         }
2117                 }
2118                 else if(input->wasKeyDown(getKeySetting("keymap_increase_viewing_range_min")))
2119                 {
2120                         s16 range = g_settings->getS16("viewing_range_nodes_min");
2121                         s16 range_new = range + 10;
2122                         g_settings->set("viewing_range_nodes_min", itos(range_new));
2123                         statustext = narrow_to_wide(
2124                                         "Minimum viewing range changed to "
2125                                         + itos(range_new));
2126                         statustext_time = 0;
2127                 }
2128                 else if(input->wasKeyDown(getKeySetting("keymap_decrease_viewing_range_min")))
2129                 {
2130                         s16 range = g_settings->getS16("viewing_range_nodes_min");
2131                         s16 range_new = range - 10;
2132                         if(range_new < 0)
2133                                 range_new = range;
2134                         g_settings->set("viewing_range_nodes_min",
2135                                         itos(range_new));
2136                         statustext = narrow_to_wide(
2137                                         "Minimum viewing range changed to "
2138                                         + itos(range_new));
2139                         statustext_time = 0;
2140                 }
2141
2142                 // Reset jump_timer
2143                 if(!input->isKeyDown(getKeySetting("keymap_jump")) && reset_jump_timer)
2144                 {
2145                         reset_jump_timer = false;
2146                         jump_timer = 0.0;
2147                 }
2148
2149                 // Handle QuicktuneShortcutter
2150                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_next")))
2151                         quicktune.next();
2152                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_prev")))
2153                         quicktune.prev();
2154                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_inc")))
2155                         quicktune.inc();
2156                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_dec")))
2157                         quicktune.dec();
2158                 {
2159                         std::string msg = quicktune.getMessage();
2160                         if(msg != ""){
2161                                 statustext = narrow_to_wide(msg);
2162                                 statustext_time = 0;
2163                         }
2164                 }
2165
2166                 // Item selection with mouse wheel
2167                 u16 new_playeritem = client.getPlayerItem();
2168                 {
2169                         s32 wheel = input->getMouseWheel();
2170                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
2171                                         player->hud_hotbar_itemcount-1);
2172
2173                         if(wheel < 0)
2174                         {
2175                                 if(new_playeritem < max_item)
2176                                         new_playeritem++;
2177                                 else
2178                                         new_playeritem = 0;
2179                         }
2180                         else if(wheel > 0)
2181                         {
2182                                 if(new_playeritem > 0)
2183                                         new_playeritem--;
2184                                 else
2185                                         new_playeritem = max_item;
2186                         }
2187                 }
2188
2189                 // Item selection
2190                 for(u16 i=0; i<10; i++)
2191                 {
2192                         const KeyPress *kp = NumberKey + (i + 1) % 10;
2193                         if(input->wasKeyDown(*kp))
2194                         {
2195                                 if(i < PLAYER_INVENTORY_SIZE && i < player->hud_hotbar_itemcount)
2196                                 {
2197                                         new_playeritem = i;
2198
2199                                         infostream<<"Selected item: "
2200                                                         <<new_playeritem<<std::endl;
2201                                 }
2202                         }
2203                 }
2204
2205                 // Viewing range selection
2206                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
2207                 {
2208                         draw_control.range_all = !draw_control.range_all;
2209                         if(draw_control.range_all)
2210                         {
2211                                 infostream<<"Enabled full viewing range"<<std::endl;
2212                                 statustext = L"Enabled full viewing range";
2213                                 statustext_time = 0;
2214                         }
2215                         else
2216                         {
2217                                 infostream<<"Disabled full viewing range"<<std::endl;
2218                                 statustext = L"Disabled full viewing range";
2219                                 statustext_time = 0;
2220                         }
2221                 }
2222
2223                 // Print debug stacks
2224                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
2225                 {
2226                         dstream<<"-----------------------------------------"
2227                                         <<std::endl;
2228                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
2229                         dstream<<"-----------------------------------------"
2230                                         <<std::endl;
2231                         debug_stacks_print();
2232                 }
2233
2234                 /*
2235                         Mouse and camera control
2236                         NOTE: Do this before client.setPlayerControl() to not cause a camera lag of one frame
2237                 */
2238
2239                 float turn_amount = 0;
2240                 if((device->isWindowActive() && noMenuActive()) || random_input)
2241                 {
2242                         if(!random_input)
2243                         {
2244                                 // Mac OSX gets upset if this is set every frame
2245                                 if(device->getCursorControl()->isVisible())
2246                                         device->getCursorControl()->setVisible(false);
2247                         }
2248
2249                         if(first_loop_after_window_activation){
2250                                 //infostream<<"window active, first loop"<<std::endl;
2251                                 first_loop_after_window_activation = false;
2252                         }
2253                         else{
2254                                 s32 dx = input->getMousePos().X - displaycenter.X;
2255                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
2256                                 if(invert_mouse || player->camera_mode == CAMERA_MODE_THIRD_FRONT)
2257                                         dy = -dy;
2258                                 //infostream<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
2259
2260                                 /*const float keyspeed = 500;
2261                                 if(input->isKeyDown(irr::KEY_UP))
2262                                         dy -= dtime * keyspeed;
2263                                 if(input->isKeyDown(irr::KEY_DOWN))
2264                                         dy += dtime * keyspeed;
2265                                 if(input->isKeyDown(irr::KEY_LEFT))
2266                                         dx -= dtime * keyspeed;
2267                                 if(input->isKeyDown(irr::KEY_RIGHT))
2268                                         dx += dtime * keyspeed;*/
2269
2270                                 float d = g_settings->getFloat("mouse_sensitivity");
2271                                 d = rangelim(d, 0.01, 100.0);
2272                                 camera_yaw -= dx*d;
2273                                 camera_pitch += dy*d;
2274                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
2275                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
2276
2277                                 turn_amount = v2f(dx, dy).getLength() * d;
2278                         }
2279                         input->setMousePos(displaycenter.X, displaycenter.Y);
2280                 }
2281                 else{
2282                         // Mac OSX gets upset if this is set every frame
2283                         if(device->getCursorControl()->isVisible() == false)
2284                                 device->getCursorControl()->setVisible(true);
2285
2286                         //infostream<<"window inactive"<<std::endl;
2287                         first_loop_after_window_activation = true;
2288                 }
2289                 recent_turn_speed = recent_turn_speed * 0.9 + turn_amount * 0.1;
2290                 //std::cerr<<"recent_turn_speed = "<<recent_turn_speed<<std::endl;
2291
2292                 /*
2293                         Player speed control
2294                 */
2295                 {
2296                         /*bool a_up,
2297                         bool a_down,
2298                         bool a_left,
2299                         bool a_right,
2300                         bool a_jump,
2301                         bool a_superspeed,
2302                         bool a_sneak,
2303                         bool a_LMB,
2304                         bool a_RMB,
2305                         float a_pitch,
2306                         float a_yaw*/
2307                         PlayerControl control(
2308                                 input->isKeyDown(getKeySetting("keymap_forward")),
2309                                 input->isKeyDown(getKeySetting("keymap_backward")),
2310                                 input->isKeyDown(getKeySetting("keymap_left")),
2311                                 input->isKeyDown(getKeySetting("keymap_right")),
2312                                 input->isKeyDown(getKeySetting("keymap_jump")),
2313                                 input->isKeyDown(getKeySetting("keymap_special1")),
2314                                 input->isKeyDown(getKeySetting("keymap_sneak")),
2315                                 input->getLeftState(),
2316                                 input->getRightState(),
2317                                 camera_pitch,
2318                                 camera_yaw
2319                         );
2320                         client.setPlayerControl(control);
2321                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2322                         player->keyPressed=
2323                         (((int)input->isKeyDown(getKeySetting("keymap_forward"))  & 0x1) << 0) |
2324                         (((int)input->isKeyDown(getKeySetting("keymap_backward")) & 0x1) << 1) |
2325                         (((int)input->isKeyDown(getKeySetting("keymap_left"))     & 0x1) << 2) |
2326                         (((int)input->isKeyDown(getKeySetting("keymap_right"))    & 0x1) << 3) |
2327                         (((int)input->isKeyDown(getKeySetting("keymap_jump"))     & 0x1) << 4) |
2328                         (((int)input->isKeyDown(getKeySetting("keymap_special1")) & 0x1) << 5) |
2329                         (((int)input->isKeyDown(getKeySetting("keymap_sneak"))    & 0x1) << 6) |
2330                         (((int)input->getLeftState()  & 0x1) << 7) |
2331                         (((int)input->getRightState() & 0x1) << 8);
2332                 }
2333
2334                 /*
2335                         Run server, client (and process environments)
2336                 */
2337                 bool can_be_and_is_paused =
2338                                 (simple_singleplayer_mode && g_menumgr.pausesGame());
2339                 if(can_be_and_is_paused)
2340                 {
2341                         // No time passes
2342                         dtime = 0;
2343                 }
2344                 else
2345                 {
2346                         if(server != NULL)
2347                         {
2348                                 //TimeTaker timer("server->step(dtime)");
2349                                 server->step(dtime);
2350                         }
2351                         {
2352                                 //TimeTaker timer("client.step(dtime)");
2353                                 client.step(dtime);
2354                         }
2355                 }
2356
2357                 {
2358                         // Read client events
2359                         for(;;)
2360                         {
2361                                 ClientEvent event = client.getClientEvent();
2362                                 if(event.type == CE_NONE)
2363                                 {
2364                                         break;
2365                                 }
2366                                 else if(event.type == CE_PLAYER_DAMAGE &&
2367                                                 client.getHP() != 0)
2368                                 {
2369                                         //u16 damage = event.player_damage.amount;
2370                                         //infostream<<"Player damage: "<<damage<<std::endl;
2371
2372                                         damage_flash += 100.0;
2373                                         damage_flash += 8.0 * event.player_damage.amount;
2374
2375                                         player->hurt_tilt_timer = 1.5;
2376                                         player->hurt_tilt_strength = event.player_damage.amount/2;
2377                                         player->hurt_tilt_strength = rangelim(player->hurt_tilt_strength, 2.0, 10.0);
2378
2379                                         MtEvent *e = new SimpleTriggerEvent("PlayerDamage");
2380                                         gamedef->event()->put(e);
2381                                 }
2382                                 else if(event.type == CE_PLAYER_FORCE_MOVE)
2383                                 {
2384                                         camera_yaw = event.player_force_move.yaw;
2385                                         camera_pitch = event.player_force_move.pitch;
2386                                 }
2387                                 else if(event.type == CE_DEATHSCREEN)
2388                                 {
2389                                         if(respawn_menu_active)
2390                                                 continue;
2391
2392                                         /*bool set_camera_point_target =
2393                                                         event.deathscreen.set_camera_point_target;
2394                                         v3f camera_point_target;
2395                                         camera_point_target.X = event.deathscreen.camera_point_target_x;
2396                                         camera_point_target.Y = event.deathscreen.camera_point_target_y;
2397                                         camera_point_target.Z = event.deathscreen.camera_point_target_z;*/
2398                                         MainRespawnInitiator *respawner =
2399                                                         new MainRespawnInitiator(
2400                                                                         &respawn_menu_active, &client);
2401                                         GUIDeathScreen *menu =
2402                                                         new GUIDeathScreen(guienv, guiroot, -1,
2403                                                                 &g_menumgr, respawner);
2404                                         menu->drop();
2405
2406                                         chat_backend.addMessage(L"", L"You died.");
2407
2408                                         /* Handle visualization */
2409
2410                                         damage_flash = 0;
2411
2412                                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2413                                         player->hurt_tilt_timer = 0;
2414                                         player->hurt_tilt_strength = 0;
2415
2416                                         /*LocalPlayer* player = client.getLocalPlayer();
2417                                         player->setPosition(player->getPosition() + v3f(0,-BS,0));
2418                                         camera.update(player, busytime, screensize);*/
2419                                 }
2420                                 else if (event.type == CE_SHOW_FORMSPEC)
2421                                 {
2422                                         if (current_formspec == 0)
2423                                         {
2424                                                 /* Create menu */
2425                                                 /* Note: FormspecFormSource and TextDestPlayerInventory
2426                                                  * are deleted by guiFormSpecMenu                     */
2427                                                 current_formspec = new FormspecFormSource(*(event.show_formspec.formspec),&current_formspec);
2428                                                 current_textdest = new TextDestPlayerInventory(&client,*(event.show_formspec.formname));
2429                                                 GUIFormSpecMenu *menu =
2430                                                                 new GUIFormSpecMenu(device, guiroot, -1,
2431                                                                                 &g_menumgr,
2432                                                                                 &client, gamedef, tsrc);
2433                                                 menu->doPause = false;
2434                                                 menu->setFormSource(current_formspec);
2435                                                 menu->setTextDest(current_textdest);
2436                                                 menu->drop();
2437                                         }
2438                                         else
2439                                         {
2440                                                 assert(current_textdest != 0);
2441                                                 /* update menu */
2442                                                 current_textdest->setFormName(*(event.show_formspec.formname));
2443                                                 current_formspec->setForm(*(event.show_formspec.formspec));
2444                                         }
2445                                         delete(event.show_formspec.formspec);
2446                                         delete(event.show_formspec.formname);
2447                                 }
2448                                 else if(event.type == CE_SPAWN_PARTICLE)
2449                                 {
2450                                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2451                                         video::ITexture *texture =
2452                                                 gamedef->tsrc()->getTexture(*(event.spawn_particle.texture));
2453
2454                                         new Particle(gamedef, smgr, player, client.getEnv(),
2455                                                 *event.spawn_particle.pos,
2456                                                 *event.spawn_particle.vel,
2457                                                 *event.spawn_particle.acc,
2458                                                  event.spawn_particle.expirationtime,
2459                                                  event.spawn_particle.size,
2460                                                  event.spawn_particle.collisiondetection,
2461                                                  event.spawn_particle.vertical,
2462                                                  texture,
2463                                                  v2f(0.0, 0.0),
2464                                                  v2f(1.0, 1.0));
2465                                 }
2466                                 else if(event.type == CE_ADD_PARTICLESPAWNER)
2467                                 {
2468                                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2469                                         video::ITexture *texture =
2470                                                 gamedef->tsrc()->getTexture(*(event.add_particlespawner.texture));
2471
2472                                         new ParticleSpawner(gamedef, smgr, player,
2473                                                  event.add_particlespawner.amount,
2474                                                  event.add_particlespawner.spawntime,
2475                                                 *event.add_particlespawner.minpos,
2476                                                 *event.add_particlespawner.maxpos,
2477                                                 *event.add_particlespawner.minvel,
2478                                                 *event.add_particlespawner.maxvel,
2479                                                 *event.add_particlespawner.minacc,
2480                                                 *event.add_particlespawner.maxacc,
2481                                                  event.add_particlespawner.minexptime,
2482                                                  event.add_particlespawner.maxexptime,
2483                                                  event.add_particlespawner.minsize,
2484                                                  event.add_particlespawner.maxsize,
2485                                                  event.add_particlespawner.collisiondetection,
2486                                                  event.add_particlespawner.vertical,
2487                                                  texture,
2488                                                  event.add_particlespawner.id);
2489                                 }
2490                                 else if(event.type == CE_DELETE_PARTICLESPAWNER)
2491                                 {
2492                                         delete_particlespawner (event.delete_particlespawner.id);
2493                                 }
2494                                 else if (event.type == CE_HUDADD)
2495                                 {
2496                                         u32 id = event.hudadd.id;
2497                                         size_t nhudelem = player->hud.size();
2498                                         if (id > nhudelem || (id < nhudelem && player->hud[id])) {
2499                                                 delete event.hudadd.pos;
2500                                                 delete event.hudadd.name;
2501                                                 delete event.hudadd.scale;
2502                                                 delete event.hudadd.text;
2503                                                 delete event.hudadd.align;
2504                                                 delete event.hudadd.offset;
2505                                                 delete event.hudadd.world_pos;
2506                                                 continue;
2507                                         }
2508
2509                                         HudElement *e = new HudElement;
2510                                         e->type   = (HudElementType)event.hudadd.type;
2511                                         e->pos    = *event.hudadd.pos;
2512                                         e->name   = *event.hudadd.name;
2513                                         e->scale  = *event.hudadd.scale;
2514                                         e->text   = *event.hudadd.text;
2515                                         e->number = event.hudadd.number;
2516                                         e->item   = event.hudadd.item;
2517                                         e->dir    = event.hudadd.dir;
2518                                         e->align  = *event.hudadd.align;
2519                                         e->offset = *event.hudadd.offset;
2520                                         e->world_pos = *event.hudadd.world_pos;
2521
2522                                         if (id == nhudelem)
2523                                                 player->hud.push_back(e);
2524                                         else
2525                                                 player->hud[id] = e;
2526
2527                                         delete event.hudadd.pos;
2528                                         delete event.hudadd.name;
2529                                         delete event.hudadd.scale;
2530                                         delete event.hudadd.text;
2531                                         delete event.hudadd.align;
2532                                         delete event.hudadd.offset;
2533                                         delete event.hudadd.world_pos;
2534                                 }
2535                                 else if (event.type == CE_HUDRM)
2536                                 {
2537                                         u32 id = event.hudrm.id;
2538                                         if (id < player->hud.size() && player->hud[id]) {
2539                                                 delete player->hud[id];
2540                                                 player->hud[id] = NULL;
2541                                         }
2542                                 }
2543                                 else if (event.type == CE_HUDCHANGE)
2544                                 {
2545                                         u32 id = event.hudchange.id;
2546                                         if (id >= player->hud.size() || !player->hud[id]) {
2547                                                 delete event.hudchange.v3fdata;
2548                                                 delete event.hudchange.v2fdata;
2549                                                 delete event.hudchange.sdata;
2550                                                 continue;
2551                                         }
2552
2553                                         HudElement* e = player->hud[id];
2554                                         switch (event.hudchange.stat) {
2555                                                 case HUD_STAT_POS:
2556                                                         e->pos = *event.hudchange.v2fdata;
2557                                                         break;
2558                                                 case HUD_STAT_NAME:
2559                                                         e->name = *event.hudchange.sdata;
2560                                                         break;
2561                                                 case HUD_STAT_SCALE:
2562                                                         e->scale = *event.hudchange.v2fdata;
2563                                                         break;
2564                                                 case HUD_STAT_TEXT:
2565                                                         e->text = *event.hudchange.sdata;
2566                                                         break;
2567                                                 case HUD_STAT_NUMBER:
2568                                                         e->number = event.hudchange.data;
2569                                                         break;
2570                                                 case HUD_STAT_ITEM:
2571                                                         e->item = event.hudchange.data;
2572                                                         break;
2573                                                 case HUD_STAT_DIR:
2574                                                         e->dir = event.hudchange.data;
2575                                                         break;
2576                                                 case HUD_STAT_ALIGN:
2577                                                         e->align = *event.hudchange.v2fdata;
2578                                                         break;
2579                                                 case HUD_STAT_OFFSET:
2580                                                         e->offset = *event.hudchange.v2fdata;
2581                                                         break;
2582                                                 case HUD_STAT_WORLD_POS:
2583                                                         e->world_pos = *event.hudchange.v3fdata;
2584                                                         break;
2585                                         }
2586
2587                                         delete event.hudchange.v3fdata;
2588                                         delete event.hudchange.v2fdata;
2589                                         delete event.hudchange.sdata;
2590                                 }
2591                                 else if (event.type == CE_SET_SKY)
2592                                 {
2593                                         sky->setVisible(false);
2594                                         if(skybox){
2595                                                 skybox->drop();
2596                                                 skybox = NULL;
2597                                         }
2598                                         // Handle according to type
2599                                         if(*event.set_sky.type == "regular"){
2600                                                 sky->setVisible(true);
2601                                         }
2602                                         else if(*event.set_sky.type == "skybox" &&
2603                                                         event.set_sky.params->size() == 6){
2604                                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
2605                                                 skybox = smgr->addSkyBoxSceneNode(
2606                                                                 tsrc->getTexture((*event.set_sky.params)[0]),
2607                                                                 tsrc->getTexture((*event.set_sky.params)[1]),
2608                                                                 tsrc->getTexture((*event.set_sky.params)[2]),
2609                                                                 tsrc->getTexture((*event.set_sky.params)[3]),
2610                                                                 tsrc->getTexture((*event.set_sky.params)[4]),
2611                                                                 tsrc->getTexture((*event.set_sky.params)[5]));
2612                                         }
2613                                         // Handle everything else as plain color
2614                                         else {
2615                                                 if(*event.set_sky.type != "plain")
2616                                                         infostream<<"Unknown sky type: "
2617                                                                         <<(*event.set_sky.type)<<std::endl;
2618                                                 sky->setFallbackBgColor(*event.set_sky.bgcolor);
2619                                         }
2620
2621                                         delete event.set_sky.bgcolor;
2622                                         delete event.set_sky.type;
2623                                         delete event.set_sky.params;
2624                                 }
2625                                 else if (event.type == CE_OVERRIDE_DAY_NIGHT_RATIO)
2626                                 {
2627                                         bool enable = event.override_day_night_ratio.do_override;
2628                                         u32 value = event.override_day_night_ratio.ratio_f * 1000;
2629                                         client.getEnv().setDayNightRatioOverride(enable, value);
2630                                 }
2631                         }
2632                 }
2633
2634                 //TimeTaker //timer2("//timer2");
2635
2636                 /*
2637                         For interaction purposes, get info about the held item
2638                         - What item is it?
2639                         - Is it a usable item?
2640                         - Can it point to liquids?
2641                 */
2642                 ItemStack playeritem;
2643                 {
2644                         InventoryList *mlist = local_inventory.getList("main");
2645                         if(mlist != NULL)
2646                         {
2647                                 playeritem = mlist->getItem(client.getPlayerItem());
2648                         }
2649                 }
2650                 const ItemDefinition &playeritem_def =
2651                                 playeritem.getDefinition(itemdef);
2652                 ToolCapabilities playeritem_toolcap =
2653                                 playeritem.getToolCapabilities(itemdef);
2654
2655                 /*
2656                         Update camera
2657                 */
2658
2659                 v3s16 old_camera_offset = camera.getOffset();
2660
2661                 LocalPlayer* player = client.getEnv().getLocalPlayer();
2662                 float full_punch_interval = playeritem_toolcap.full_punch_interval;
2663                 float tool_reload_ratio = time_from_last_punch / full_punch_interval;
2664
2665                 if(input->wasKeyDown(getKeySetting("keymap_camera_mode"))) {
2666
2667                         if (current_camera_mode == CAMERA_MODE_FIRST)
2668                                 current_camera_mode = CAMERA_MODE_THIRD;
2669                         else if (current_camera_mode == CAMERA_MODE_THIRD)
2670                                 current_camera_mode = CAMERA_MODE_THIRD_FRONT;
2671                         else
2672                                 current_camera_mode = CAMERA_MODE_FIRST;
2673
2674                 }
2675                 player->camera_mode = current_camera_mode;
2676                 tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
2677                 camera.update(player, dtime, busytime, screensize, tool_reload_ratio,
2678                                 current_camera_mode, client.getEnv());
2679                 camera.step(dtime);
2680
2681                 v3f player_position = player->getPosition();
2682                 v3s16 pos_i = floatToInt(player_position, BS);
2683                 v3f camera_position = camera.getPosition();
2684                 v3f camera_direction = camera.getDirection();
2685                 f32 camera_fov = camera.getFovMax();
2686                 v3s16 camera_offset = camera.getOffset();
2687
2688                 bool camera_offset_changed = (camera_offset != old_camera_offset);
2689
2690                 if(!disable_camera_update){
2691                         client.getEnv().getClientMap().updateCamera(camera_position,
2692                                 camera_direction, camera_fov, camera_offset);
2693                         if (camera_offset_changed){
2694                                 client.updateCameraOffset(camera_offset);
2695                                 client.getEnv().updateCameraOffset(camera_offset);
2696                                 if (clouds)
2697                                         clouds->updateCameraOffset(camera_offset);
2698                         }
2699                 }
2700
2701                 // Update sound listener
2702                 sound->updateListener(camera.getCameraNode()->getPosition()+intToFloat(camera_offset, BS),
2703                                 v3f(0,0,0), // velocity
2704                                 camera.getDirection(),
2705                                 camera.getCameraNode()->getUpVector());
2706                 sound->setListenerGain(g_settings->getFloat("sound_volume"));
2707
2708                 /*
2709                         Update sound maker
2710                 */
2711                 {
2712                         soundmaker.step(dtime);
2713
2714                         ClientMap &map = client.getEnv().getClientMap();
2715                         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
2716                         soundmaker.m_player_step_sound = nodedef->get(n).sound_footstep;
2717                 }
2718
2719                 /*
2720                         Calculate what block is the crosshair pointing to
2721                 */
2722
2723                 //u32 t1 = device->getTimer()->getRealTime();
2724
2725                 f32 d = playeritem_def.range; // max. distance
2726                 f32 d_hand = itemdef->get("").range;
2727                 if(d < 0 && d_hand >= 0)
2728                         d = d_hand;
2729                 else if(d < 0)
2730                         d = 4.0;
2731                 core::line3d<f32> shootline(camera_position,
2732                                 camera_position + camera_direction * BS * (d+1));
2733
2734                 // prevent player pointing anything in front-view
2735                 if (current_camera_mode == CAMERA_MODE_THIRD_FRONT)
2736                         shootline = core::line3d<f32>(0,0,0,0,0,0);
2737
2738                 ClientActiveObject *selected_object = NULL;
2739
2740                 PointedThing pointed = getPointedThing(
2741                                 // input
2742                                 &client, player_position, camera_direction,
2743                                 camera_position, shootline, d,
2744                                 playeritem_def.liquids_pointable, !ldown_for_dig,
2745                                 camera_offset,
2746                                 // output
2747                                 hilightboxes,
2748                                 selected_object);
2749
2750                 if(pointed != pointed_old)
2751                 {
2752                         infostream<<"Pointing at "<<pointed.dump()<<std::endl;
2753                         //dstream<<"Pointing at "<<pointed.dump()<<std::endl;
2754                 }
2755
2756                 /*
2757                         Stop digging when
2758                         - releasing left mouse button
2759                         - pointing away from node
2760                 */
2761                 if(digging)
2762                 {
2763                         if(input->getLeftReleased())
2764                         {
2765                                 infostream<<"Left button released"
2766                                         <<" (stopped digging)"<<std::endl;
2767                                 digging = false;
2768                         }
2769                         else if(pointed != pointed_old)
2770                         {
2771                                 if (pointed.type == POINTEDTHING_NODE
2772                                         && pointed_old.type == POINTEDTHING_NODE
2773                                         && pointed.node_undersurface == pointed_old.node_undersurface)
2774                                 {
2775                                         // Still pointing to the same node,
2776                                         // but a different face. Don't reset.
2777                                 }
2778                                 else
2779                                 {
2780                                         infostream<<"Pointing away from node"
2781                                                 <<" (stopped digging)"<<std::endl;
2782                                         digging = false;
2783                                 }
2784                         }
2785                         if(!digging)
2786                         {
2787                                 client.interact(1, pointed_old);
2788                                 client.setCrack(-1, v3s16(0,0,0));
2789                                 dig_time = 0.0;
2790                         }
2791                 }
2792                 if(!digging && ldown_for_dig && !input->getLeftState())
2793                 {
2794                         ldown_for_dig = false;
2795                 }
2796
2797                 bool left_punch = false;
2798                 soundmaker.m_player_leftpunch_sound.name = "";
2799
2800                 if(input->getRightState())
2801                         repeat_rightclick_timer += dtime;
2802                 else
2803                         repeat_rightclick_timer = 0;
2804
2805                 if(playeritem_def.usable && input->getLeftState())
2806                 {
2807                         if(input->getLeftClicked())
2808                                 client.interact(4, pointed);
2809                 }
2810                 else if(pointed.type == POINTEDTHING_NODE)
2811                 {
2812                         v3s16 nodepos = pointed.node_undersurface;
2813                         v3s16 neighbourpos = pointed.node_abovesurface;
2814
2815                         /*
2816                                 Check information text of node
2817                         */
2818
2819                         ClientMap &map = client.getEnv().getClientMap();
2820                         NodeMetadata *meta = map.getNodeMetadata(nodepos);
2821                         if(meta){
2822                                 infotext = narrow_to_wide(meta->getString("infotext"));
2823                         } else {
2824                                 MapNode n = map.getNode(nodepos);
2825                                 if(nodedef->get(n).tiledef[0].name == "unknown_node.png"){
2826                                         infotext = L"Unknown node: ";
2827                                         infotext += narrow_to_wide(nodedef->get(n).name);
2828                                 }
2829                         }
2830
2831                         /*
2832                                 Handle digging
2833                         */
2834
2835                         if(nodig_delay_timer <= 0.0 && input->getLeftState()
2836                                         && client.checkPrivilege("interact"))
2837                         {
2838                                 if(!digging)
2839                                 {
2840                                         infostream<<"Started digging"<<std::endl;
2841                                         client.interact(0, pointed);
2842                                         digging = true;
2843                                         ldown_for_dig = true;
2844                                 }
2845                                 MapNode n = client.getEnv().getClientMap().getNode(nodepos);
2846
2847                                 // NOTE: Similar piece of code exists on the server side for
2848                                 // cheat detection.
2849                                 // Get digging parameters
2850                                 DigParams params = getDigParams(nodedef->get(n).groups,
2851                                                 &playeritem_toolcap);
2852                                 // If can't dig, try hand
2853                                 if(!params.diggable){
2854                                         const ItemDefinition &hand = itemdef->get("");
2855                                         const ToolCapabilities *tp = hand.tool_capabilities;
2856                                         if(tp)
2857                                                 params = getDigParams(nodedef->get(n).groups, tp);
2858                                 }
2859
2860                                 float dig_time_complete = 0.0;
2861
2862                                 if(params.diggable == false)
2863                                 {
2864                                         // I guess nobody will wait for this long
2865                                         dig_time_complete = 10000000.0;
2866                                 }
2867                                 else
2868                                 {
2869                                         dig_time_complete = params.time;
2870                                         if (g_settings->getBool("enable_particles"))
2871                                         {
2872                                                 const ContentFeatures &features =
2873                                                         client.getNodeDefManager()->get(n);
2874                                                 addPunchingParticles
2875                                                         (gamedef, smgr, player, client.getEnv(),
2876                                                          nodepos, features.tiles);
2877                                         }
2878                                 }
2879
2880                                 if(dig_time_complete >= 0.001)
2881                                 {
2882                                         dig_index = (u16)((float)crack_animation_length
2883                                                         * dig_time/dig_time_complete);
2884                                 }
2885                                 // This is for torches
2886                                 else
2887                                 {
2888                                         dig_index = crack_animation_length;
2889                                 }
2890
2891                                 SimpleSoundSpec sound_dig = nodedef->get(n).sound_dig;
2892                                 if(sound_dig.exists() && params.diggable){
2893                                         if(sound_dig.name == "__group"){
2894                                                 if(params.main_group != ""){
2895                                                         soundmaker.m_player_leftpunch_sound.gain = 0.5;
2896                                                         soundmaker.m_player_leftpunch_sound.name =
2897                                                                         std::string("default_dig_") +
2898                                                                                         params.main_group;
2899                                                 }
2900                                         } else{
2901                                                 soundmaker.m_player_leftpunch_sound = sound_dig;
2902                                         }
2903                                 }
2904
2905                                 // Don't show cracks if not diggable
2906                                 if(dig_time_complete >= 100000.0)
2907                                 {
2908                                 }
2909                                 else if(dig_index < crack_animation_length)
2910                                 {
2911                                         //TimeTaker timer("client.setTempMod");
2912                                         //infostream<<"dig_index="<<dig_index<<std::endl;
2913                                         client.setCrack(dig_index, nodepos);
2914                                 }
2915                                 else
2916                                 {
2917                                         infostream<<"Digging completed"<<std::endl;
2918                                         client.interact(2, pointed);
2919                                         client.setCrack(-1, v3s16(0,0,0));
2920                                         MapNode wasnode = map.getNode(nodepos);
2921                                         client.removeNode(nodepos);
2922
2923                                         if (g_settings->getBool("enable_particles"))
2924                                         {
2925                                                 const ContentFeatures &features =
2926                                                         client.getNodeDefManager()->get(wasnode);
2927                                                 addDiggingParticles
2928                                                         (gamedef, smgr, player, client.getEnv(),
2929                                                          nodepos, features.tiles);
2930                                         }
2931
2932                                         dig_time = 0;
2933                                         digging = false;
2934
2935                                         nodig_delay_timer = dig_time_complete
2936                                                         / (float)crack_animation_length;
2937
2938                                         // We don't want a corresponding delay to
2939                                         // very time consuming nodes
2940                                         if(nodig_delay_timer > 0.3)
2941                                                 nodig_delay_timer = 0.3;
2942                                         // We want a slight delay to very little
2943                                         // time consuming nodes
2944                                         float mindelay = 0.15;
2945                                         if(nodig_delay_timer < mindelay)
2946                                                 nodig_delay_timer = mindelay;
2947
2948                                         // Send event to trigger sound
2949                                         MtEvent *e = new NodeDugEvent(nodepos, wasnode);
2950                                         gamedef->event()->put(e);
2951                                 }
2952
2953                                 if(dig_time_complete < 100000.0)
2954                                         dig_time += dtime;
2955                                 else {
2956                                         dig_time = 0;
2957                                         client.setCrack(-1, nodepos);
2958                                 }
2959
2960                                 camera.setDigging(0);  // left click animation
2961                         }
2962
2963                         if((input->getRightClicked() ||
2964                                         repeat_rightclick_timer >=
2965                                                 g_settings->getFloat("repeat_rightclick_time")) &&
2966                                         client.checkPrivilege("interact"))
2967                         {
2968                                 repeat_rightclick_timer = 0;
2969                                 infostream<<"Ground right-clicked"<<std::endl;
2970
2971                                 // Sign special case, at least until formspec is properly implemented.
2972                                 // Deprecated?
2973                                 if(meta && meta->getString("formspec") == "hack:sign_text_input"
2974                                                 && !random_input
2975                                                 && !input->isKeyDown(getKeySetting("keymap_sneak")))
2976                                 {
2977                                         infostream<<"Launching metadata text input"<<std::endl;
2978
2979                                         // Get a new text for it
2980
2981                                         TextDest *dest = new TextDestNodeMetadata(nodepos, &client);
2982
2983                                         std::wstring wtext = narrow_to_wide(meta->getString("text"));
2984
2985                                         (new GUITextInputMenu(guienv, guiroot, -1,
2986                                                         &g_menumgr, dest,
2987                                                         wtext))->drop();
2988                                 }
2989                                 // If metadata provides an inventory view, activate it
2990                                 else if(meta && meta->getString("formspec") != "" && !random_input
2991                                                 && !input->isKeyDown(getKeySetting("keymap_sneak")))
2992                                 {
2993                                         infostream<<"Launching custom inventory view"<<std::endl;
2994
2995                                         InventoryLocation inventoryloc;
2996                                         inventoryloc.setNodeMeta(nodepos);
2997
2998                                         /* Create menu */
2999
3000                                         GUIFormSpecMenu *menu =
3001                                                 new GUIFormSpecMenu(device, guiroot, -1,
3002                                                         &g_menumgr,
3003                                                         &client, gamedef, tsrc);
3004                                         menu->doPause = false;
3005                                         menu->setFormSpec(meta->getString("formspec"),
3006                                                         inventoryloc);
3007                                         menu->setFormSource(new NodeMetadataFormSource(
3008                                                         &client.getEnv().getClientMap(), nodepos));
3009                                         menu->setTextDest(new TextDestNodeMetadata(nodepos, &client));
3010                                         menu->drop();
3011                                 }
3012                                 // Otherwise report right click to server
3013                                 else
3014                                 {
3015                                         camera.setDigging(1);  // right click animation (always shown for feedback)
3016
3017                                         // If the wielded item has node placement prediction,
3018                                         // make that happen
3019                                         bool placed = nodePlacementPrediction(client,
3020                                                 playeritem_def,
3021                                                 nodepos, neighbourpos);
3022
3023                                         if(placed) {
3024                                                 // Report to server
3025                                                 client.interact(3, pointed);
3026                                                 // Read the sound
3027                                                 soundmaker.m_player_rightpunch_sound =
3028                                                         playeritem_def.sound_place;
3029                                         } else {
3030                                                 soundmaker.m_player_rightpunch_sound =
3031                                                         SimpleSoundSpec();
3032                                         }
3033
3034                                         if (playeritem_def.node_placement_prediction == "" ||
3035                                                 nodedef->get(map.getNode(nodepos)).rightclickable)
3036                                                 client.interact(3, pointed); // Report to server
3037                                 }
3038                         }
3039                 }
3040                 else if(pointed.type == POINTEDTHING_OBJECT)
3041                 {
3042                         infotext = narrow_to_wide(selected_object->infoText());
3043
3044                         if(infotext == L"" && show_debug){
3045                                 infotext = narrow_to_wide(selected_object->debugInfoText());
3046                         }
3047
3048                         //if(input->getLeftClicked())
3049                         if(input->getLeftState())
3050                         {
3051                                 bool do_punch = false;
3052                                 bool do_punch_damage = false;
3053                                 if(object_hit_delay_timer <= 0.0){
3054                                         do_punch = true;
3055                                         do_punch_damage = true;
3056                                         object_hit_delay_timer = object_hit_delay;
3057                                 }
3058                                 if(input->getLeftClicked()){
3059                                         do_punch = true;
3060                                 }
3061                                 if(do_punch){
3062                                         infostream<<"Left-clicked object"<<std::endl;
3063                                         left_punch = true;
3064                                 }
3065                                 if(do_punch_damage){
3066                                         // Report direct punch
3067                                         v3f objpos = selected_object->getPosition();
3068                                         v3f dir = (objpos - player_position).normalize();
3069
3070                                         bool disable_send = selected_object->directReportPunch(
3071                                                         dir, &playeritem, time_from_last_punch);
3072                                         time_from_last_punch = 0;
3073                                         if(!disable_send)
3074                                                 client.interact(0, pointed);
3075                                 }
3076                         }
3077                         else if(input->getRightClicked())
3078                         {
3079                                 infostream<<"Right-clicked object"<<std::endl;
3080                                 client.interact(3, pointed);  // place
3081                         }
3082                 }
3083                 else if(input->getLeftState())
3084                 {
3085                         // When button is held down in air, show continuous animation
3086                         left_punch = true;
3087                 }
3088
3089                 pointed_old = pointed;
3090
3091                 if(left_punch || input->getLeftClicked())
3092                 {
3093                         camera.setDigging(0); // left click animation
3094                 }
3095
3096                 input->resetLeftClicked();
3097                 input->resetRightClicked();
3098
3099                 input->resetLeftReleased();
3100                 input->resetRightReleased();
3101
3102                 /*
3103                         Calculate stuff for drawing
3104                 */
3105
3106                 /*
3107                         Fog range
3108                 */
3109
3110                 if(draw_control.range_all)
3111                         fog_range = 100000*BS;
3112                 else {
3113                         fog_range = draw_control.wanted_range*BS + 0.0*MAP_BLOCKSIZE*BS;
3114                         if(use_weather)
3115                                 fog_range *= (1.5 - 1.4*(float)client.getEnv().getClientMap().getHumidity(pos_i)/100);
3116                         fog_range = MYMIN(fog_range, (draw_control.farthest_drawn+20)*BS);
3117                         fog_range *= 0.9;
3118                 }
3119
3120                 /*
3121                         Calculate general brightness
3122                 */
3123                 u32 daynight_ratio = client.getEnv().getDayNightRatio();
3124                 float time_brightness = decode_light_f((float)daynight_ratio/1000.0);
3125                 float direct_brightness = 0;
3126                 bool sunlight_seen = false;
3127                 if(g_settings->getBool("free_move")){
3128                         direct_brightness = time_brightness;
3129                         sunlight_seen = true;
3130                 } else {
3131                         ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
3132                         float old_brightness = sky->getBrightness();
3133                         direct_brightness = (float)client.getEnv().getClientMap()
3134                                         .getBackgroundBrightness(MYMIN(fog_range*1.2, 60*BS),
3135                                         daynight_ratio, (int)(old_brightness*255.5), &sunlight_seen)
3136                                         / 255.0;
3137                 }
3138
3139                 time_of_day = client.getEnv().getTimeOfDayF();
3140                 float maxsm = 0.05;
3141                 if(fabs(time_of_day - time_of_day_smooth) > maxsm &&
3142                                 fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
3143                                 fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
3144                         time_of_day_smooth = time_of_day;
3145                 float todsm = 0.05;
3146                 if(time_of_day_smooth > 0.8 && time_of_day < 0.2)
3147                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
3148                                         + (time_of_day+1.0) * todsm;
3149                 else
3150                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
3151                                         + time_of_day * todsm;
3152
3153                 sky->update(time_of_day_smooth, time_brightness, direct_brightness,
3154                                 sunlight_seen);
3155
3156                 video::SColor bgcolor = sky->getBgColor();
3157                 video::SColor skycolor = sky->getSkyColor();
3158
3159                 /*
3160                         Update clouds
3161                 */
3162                 if(clouds){
3163                         if(sky->getCloudsVisible()){
3164                                 clouds->setVisible(true);
3165                                 clouds->step(dtime);
3166                                 clouds->update(v2f(player_position.X, player_position.Z),
3167                                                 sky->getCloudColor());
3168                         } else{
3169                                 clouds->setVisible(false);
3170                         }
3171                 }
3172
3173                 /*
3174                         Update particles
3175                 */
3176
3177                 allparticles_step(dtime);
3178                 allparticlespawners_step(dtime, client.getEnv());
3179
3180                 /*
3181                         Fog
3182                 */
3183
3184                 if(g_settings->getBool("enable_fog") && !force_fog_off)
3185                 {
3186                         driver->setFog(
3187                                 bgcolor,
3188                                 video::EFT_FOG_LINEAR,
3189                                 fog_range*0.4,
3190                                 fog_range*1.0,
3191                                 0.01,
3192                                 false, // pixel fog
3193                                 false // range fog
3194                         );
3195                 }
3196                 else
3197                 {
3198                         driver->setFog(
3199                                 bgcolor,
3200                                 video::EFT_FOG_LINEAR,
3201                                 100000*BS,
3202                                 110000*BS,
3203                                 0.01,
3204                                 false, // pixel fog
3205                                 false // range fog
3206                         );
3207                 }
3208
3209                 /*
3210                         Update gui stuff (0ms)
3211                 */
3212
3213                 //TimeTaker guiupdatetimer("Gui updating");
3214
3215                 if(show_debug)
3216                 {
3217                         static float drawtime_avg = 0;
3218                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
3219                         /*static float beginscenetime_avg = 0;
3220                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
3221                         static float scenetime_avg = 0;
3222                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
3223                         static float endscenetime_avg = 0;
3224                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;*/
3225
3226                         u16 fps = (1.0/dtime_avg1);
3227
3228                         std::ostringstream os(std::ios_base::binary);
3229                         os<<std::fixed
3230                                 <<"Minetest "<<minetest_version_hash
3231                                 <<" FPS = "<<fps
3232                                 <<" (R: range_all="<<draw_control.range_all<<")"
3233                                 <<std::setprecision(0)
3234                                 <<" drawtime = "<<drawtime_avg
3235                                 <<std::setprecision(1)
3236                                 <<", dtime_jitter = "
3237                                 <<(dtime_jitter1_max_fraction * 100.0)<<" %"
3238                                 <<std::setprecision(1)
3239                                 <<", v_range = "<<draw_control.wanted_range
3240                                 <<std::setprecision(3)
3241                                 <<", RTT = "<<client.getRTT();
3242                         guitext->setText(narrow_to_wide(os.str()).c_str());
3243                         guitext->setVisible(true);
3244                 }
3245                 else if(show_hud || show_chat)
3246                 {
3247                         std::ostringstream os(std::ios_base::binary);
3248                         os<<"Minetest "<<minetest_version_hash;
3249                         guitext->setText(narrow_to_wide(os.str()).c_str());
3250                         guitext->setVisible(true);
3251                 }
3252                 else
3253                 {
3254                         guitext->setVisible(false);
3255                 }
3256
3257                 if(show_debug)
3258                 {
3259                         std::ostringstream os(std::ios_base::binary);
3260                         os<<std::setprecision(1)<<std::fixed
3261                                 <<"(" <<(player_position.X/BS)
3262                                 <<", "<<(player_position.Y/BS)
3263                                 <<", "<<(player_position.Z/BS)
3264                                 <<") (yaw="<<(wrapDegrees_0_360(camera_yaw))
3265                                 <<") (t="<<client.getEnv().getClientMap().getHeat(pos_i)
3266                                 <<"C, h="<<client.getEnv().getClientMap().getHumidity(pos_i)
3267                                 <<"%) (seed = "<<((u64)client.getMapSeed())
3268                                 <<")";
3269                         guitext2->setText(narrow_to_wide(os.str()).c_str());
3270                         guitext2->setVisible(true);
3271                 }
3272                 else
3273                 {
3274                         guitext2->setVisible(false);
3275                 }
3276
3277                 {
3278                         guitext_info->setText(infotext.c_str());
3279                         guitext_info->setVisible(show_hud && g_menumgr.menuCount() == 0);
3280                 }
3281
3282                 {
3283                         float statustext_time_max = 1.5;
3284                         if(!statustext.empty())
3285                         {
3286                                 statustext_time += dtime;
3287                                 if(statustext_time >= statustext_time_max)
3288                                 {
3289                                         statustext = L"";
3290                                         statustext_time = 0;
3291                                 }
3292                         }
3293                         guitext_status->setText(statustext.c_str());
3294                         guitext_status->setVisible(!statustext.empty());
3295
3296                         if(!statustext.empty())
3297                         {
3298                                 s32 status_y = screensize.Y - 130;
3299                                 core::rect<s32> rect(
3300                                                 10,
3301                                                 status_y - guitext_status->getTextHeight(),
3302                                                 screensize.X - 10,
3303                                                 status_y
3304                                 );
3305                                 guitext_status->setRelativePosition(rect);
3306
3307                                 // Fade out
3308                                 video::SColor initial_color(255,0,0,0);
3309                                 if(guienv->getSkin())
3310                                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
3311                                 video::SColor final_color = initial_color;
3312                                 final_color.setAlpha(0);
3313                                 video::SColor fade_color =
3314                                         initial_color.getInterpolated_quadratic(
3315                                                 initial_color,
3316                                                 final_color,
3317                                                 pow(statustext_time / (float)statustext_time_max, 2.0f));
3318                                 guitext_status->setOverrideColor(fade_color);
3319                                 guitext_status->enableOverrideColor(true);
3320                         }
3321                 }
3322
3323                 /*
3324                         Get chat messages from client
3325                 */
3326                 {
3327                         // Get new messages from error log buffer
3328                         while(!chat_log_error_buf.empty())
3329                         {
3330                                 chat_backend.addMessage(L"", narrow_to_wide(
3331                                                 chat_log_error_buf.get()));
3332                         }
3333                         // Get new messages from client
3334                         std::wstring message;
3335                         while(client.getChatMessage(message))
3336                         {
3337                                 chat_backend.addUnparsedMessage(message);
3338                         }
3339                         // Remove old messages
3340                         chat_backend.step(dtime);
3341
3342                         // Display all messages in a static text element
3343                         u32 recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
3344                         std::wstring recent_chat = chat_backend.getRecentChat();
3345                         guitext_chat->setText(recent_chat.c_str());
3346
3347                         // Update gui element size and position
3348                         s32 chat_y = 5+(text_height+5);
3349                         if(show_debug)
3350                                 chat_y += (text_height+5);
3351                         core::rect<s32> rect(
3352                                 10,
3353                                 chat_y,
3354                                 screensize.X - 10,
3355                                 chat_y + guitext_chat->getTextHeight()
3356                         );
3357                         guitext_chat->setRelativePosition(rect);
3358
3359                         // Don't show chat if disabled or empty or profiler is enabled
3360                         guitext_chat->setVisible(show_chat && recent_chat_count != 0
3361                                         && !show_profiler);
3362                 }
3363
3364                 /*
3365                         Inventory
3366                 */
3367
3368                 if(client.getPlayerItem() != new_playeritem)
3369                 {
3370                         client.selectPlayerItem(new_playeritem);
3371                 }
3372                 if(client.getLocalInventoryUpdated())
3373                 {
3374                         //infostream<<"Updating local inventory"<<std::endl;
3375                         client.getLocalInventory(local_inventory);
3376
3377                         update_wielded_item_trigger = true;
3378                 }
3379                 if(update_wielded_item_trigger)
3380                 {
3381                         update_wielded_item_trigger = false;
3382                         // Update wielded tool
3383                         InventoryList *mlist = local_inventory.getList("main");
3384                         ItemStack item;
3385                         if(mlist != NULL)
3386                                 item = mlist->getItem(client.getPlayerItem());
3387                         camera.wield(item, client.getPlayerItem());
3388                 }
3389
3390                 /*
3391                         Update block draw list every 200ms or when camera direction has
3392                         changed much
3393                 */
3394                 update_draw_list_timer += dtime;
3395                 if(update_draw_list_timer >= 0.2 ||
3396                                 update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2 ||
3397                                 camera_offset_changed){
3398                         update_draw_list_timer = 0;
3399                         client.getEnv().getClientMap().updateDrawList(driver);
3400                         update_draw_list_last_cam_dir = camera_direction;
3401                 }
3402
3403                 /*
3404                         Drawing begins
3405                 */
3406
3407                 TimeTaker tt_draw("mainloop: draw");
3408
3409                 {
3410                         TimeTaker timer("beginScene");
3411                         //driver->beginScene(false, true, bgcolor);
3412                         //driver->beginScene(true, true, bgcolor);
3413                         driver->beginScene(true, true, skycolor);
3414                         beginscenetime = timer.stop(true);
3415                 }
3416
3417                 //timer3.stop();
3418
3419                 //infostream<<"smgr->drawAll()"<<std::endl;
3420                 {
3421                         TimeTaker timer("smgr");
3422                         smgr->drawAll();
3423
3424                         if(g_settings->getBool("anaglyph"))
3425                         {
3426                                 irr::core::vector3df oldPosition = camera.getCameraNode()->getPosition();
3427                                 irr::core::vector3df oldTarget   = camera.getCameraNode()->getTarget();
3428
3429                                 irr::core::matrix4 startMatrix   = camera.getCameraNode()->getAbsoluteTransformation();
3430
3431                                 irr::core::vector3df focusPoint  = (camera.getCameraNode()->getTarget() -
3432                                                                                  camera.getCameraNode()->getAbsolutePosition()).setLength(1) +
3433                                                                                  camera.getCameraNode()->getAbsolutePosition() ;
3434
3435                                 //Left eye...
3436                                 irr::core::vector3df leftEye;
3437                                 irr::core::matrix4   leftMove;
3438
3439                                 leftMove.setTranslation( irr::core::vector3df(-g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
3440                                 leftEye=(startMatrix*leftMove).getTranslation();
3441
3442                                 //clear the depth buffer, and color
3443                                 driver->beginScene( true, true, irr::video::SColor(0,200,200,255) );
3444
3445                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_RED;
3446                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
3447                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
3448                                                                                                                          irr::scene::ESNRP_SOLID +
3449                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
3450                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
3451                                                                                                                          irr::scene::ESNRP_SHADOW;
3452
3453                                 camera.getCameraNode()->setPosition( leftEye );
3454                                 camera.getCameraNode()->setTarget( focusPoint );
3455
3456                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
3457
3458                                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
3459
3460                                 if (show_hud)
3461                                         hud.drawSelectionBoxes(hilightboxes);
3462
3463
3464                                 //Right eye...
3465                                 irr::core::vector3df rightEye;
3466                                 irr::core::matrix4   rightMove;
3467
3468                                 rightMove.setTranslation( irr::core::vector3df(g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
3469                                 rightEye=(startMatrix*rightMove).getTranslation();
3470
3471                                 //clear the depth buffer
3472                                 driver->clearZBuffer();
3473
3474                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_GREEN + irr::video::ECP_BLUE;
3475                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
3476                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
3477                                                                                                                          irr::scene::ESNRP_SOLID +
3478                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
3479                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
3480                                                                                                                          irr::scene::ESNRP_SHADOW;
3481
3482                                 camera.getCameraNode()->setPosition( rightEye );
3483                                 camera.getCameraNode()->setTarget( focusPoint );
3484
3485                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
3486
3487                                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
3488
3489                                 if (show_hud)
3490                                         hud.drawSelectionBoxes(hilightboxes);
3491
3492
3493                                 //driver->endScene();
3494
3495                                 driver->getOverrideMaterial().Material.ColorMask=irr::video::ECP_ALL;
3496                                 driver->getOverrideMaterial().EnableFlags=0;
3497                                 driver->getOverrideMaterial().EnablePasses=0;
3498
3499                                 camera.getCameraNode()->setPosition( oldPosition );
3500                                 camera.getCameraNode()->setTarget( oldTarget );
3501                         }
3502
3503                         scenetime = timer.stop(true);
3504                 }
3505
3506                 {
3507                 //TimeTaker timer9("auxiliary drawings");
3508                 // 0ms
3509
3510                 //timer9.stop();
3511                 //TimeTaker //timer10("//timer10");
3512
3513                 video::SMaterial m;
3514                 //m.Thickness = 10;
3515                 m.Thickness = 3;
3516                 m.Lighting = false;
3517                 driver->setMaterial(m);
3518
3519                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
3520                 if((!g_settings->getBool("anaglyph")) && (show_hud))
3521                 {
3522                         hud.drawSelectionBoxes(hilightboxes);
3523                 }
3524
3525                 /*
3526                         Wielded tool
3527                 */
3528                 if(show_hud &&
3529                         (player->hud_flags & HUD_FLAG_WIELDITEM_VISIBLE) &&
3530                         current_camera_mode < CAMERA_MODE_THIRD)
3531                 {
3532                         // Warning: This clears the Z buffer.
3533                         camera.drawWieldedTool();
3534                 }
3535
3536                 /*
3537                         Post effects
3538                 */
3539                 {
3540                         client.getEnv().getClientMap().renderPostFx();
3541                 }
3542
3543                 /*
3544                         Profiler graph
3545                 */
3546                 if(show_profiler_graph)
3547                 {
3548                         graph.draw(10, screensize.Y - 10, driver, font);
3549                 }
3550
3551                 /*
3552                         Draw crosshair
3553                 */
3554                 if (show_hud)
3555                         hud.drawCrosshair();
3556
3557                 } // timer
3558
3559                 //timer10.stop();
3560                 //TimeTaker //timer11("//timer11");
3561
3562
3563                 /*
3564                         Draw hotbar
3565                 */
3566                 if (show_hud)
3567                 {
3568                         hud.drawHotbar(v2s32(displaycenter.X, screensize.Y),
3569                                         client.getHP(), client.getPlayerItem(), client.getBreath());
3570                 }
3571
3572                 /*
3573                         Damage flash
3574                 */
3575                 if(damage_flash > 0.0)
3576                 {
3577                         video::SColor color(std::min(damage_flash, 180.0f),180,0,0);
3578                         driver->draw2DRectangle(color,
3579                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
3580                                         NULL);
3581
3582                         damage_flash -= 100.0*dtime;
3583                 }
3584
3585                 /*
3586                         Damage camera tilt
3587                 */
3588                 if(player->hurt_tilt_timer > 0.0)
3589                 {
3590                         player->hurt_tilt_timer -= dtime*5;
3591                         if(player->hurt_tilt_timer < 0)
3592                                 player->hurt_tilt_strength = 0;
3593                 }
3594
3595                 /*
3596                         Draw lua hud items
3597                 */
3598                 if (show_hud)
3599                         hud.drawLuaElements();
3600
3601                 /*
3602                         Draw gui
3603                 */
3604                 // 0-1ms
3605                 guienv->drawAll();
3606
3607                 /*
3608                         End scene
3609                 */
3610                 {
3611                         TimeTaker timer("endScene");
3612                         driver->endScene();
3613                         endscenetime = timer.stop(true);
3614                 }
3615
3616                 drawtime = tt_draw.stop(true);
3617                 g_profiler->graphAdd("mainloop_draw", (float)drawtime/1000.0f);
3618
3619                 /*
3620                         End of drawing
3621                 */
3622
3623                 /*
3624                         Log times and stuff for visualization
3625                 */
3626                 Profiler::GraphValues values;
3627                 g_profiler->graphGet(values);
3628                 graph.put(values);
3629         }
3630
3631         /*
3632                 Drop stuff
3633         */
3634         if (clouds)
3635                 clouds->drop();
3636         if (gui_chat_console)
3637                 gui_chat_console->drop();
3638         if (sky)
3639                 sky->drop();
3640         clear_particles();
3641
3642         /*
3643                 Draw a "shutting down" screen, which will be shown while the map
3644                 generator and other stuff quits
3645         */
3646         {
3647                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
3648                 wchar_t* text = wgettext("Shutting down stuff...");
3649                 draw_load_screen(text, device, font, 0, -1, false);
3650                 delete[] text;
3651                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
3652                 guienv->drawAll();
3653                 driver->endScene();
3654                 gui_shuttingdowntext->remove();*/
3655         }
3656
3657         chat_backend.addMessage(L"", L"# Disconnected.");
3658         chat_backend.addMessage(L"", L"");
3659
3660         client.Stop();
3661
3662         //force answer all texture and shader jobs (TODO return empty values)
3663
3664         while(!client.isShutdown()) {
3665                 tsrc->processQueue();
3666                 shsrc->processQueue();
3667                 sleep_ms(100);
3668         }
3669
3670         // Client scope (client is destructed before destructing *def and tsrc)
3671         }while(0);
3672         } // try-catch
3673         catch(SerializationError &e)
3674         {
3675                 error_message = L"A serialization error occurred:\n"
3676                                 + narrow_to_wide(e.what()) + L"\n\nThe server is probably "
3677                                 L" running a different version of Minetest.";
3678                 errorstream<<wide_to_narrow(error_message)<<std::endl;
3679         }
3680         catch(ServerError &e) {
3681                 error_message = narrow_to_wide(e.what());
3682                 errorstream << "ServerError: " << e.what() << std::endl;
3683         }
3684         catch(ModError &e) {
3685                 errorstream << "ModError: " << e.what() << std::endl;
3686                 error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
3687         }
3688
3689
3690
3691         if(!sound_is_dummy)
3692                 delete sound;
3693
3694         //has to be deleted first to stop all server threads
3695         delete server;
3696
3697         delete tsrc;
3698         delete shsrc;
3699         delete nodedef;
3700         delete itemdef;
3701
3702         //extended resource accounting
3703         infostream << "Irrlicht resources after cleanup:" << std::endl;
3704         infostream << "\tRemaining meshes   : "
3705                 << device->getSceneManager()->getMeshCache()->getMeshCount() << std::endl;
3706         infostream << "\tRemaining textures : "
3707                 << driver->getTextureCount() << std::endl;
3708         for (unsigned int i = 0; i < driver->getTextureCount(); i++ ) {
3709                 irr::video::ITexture* texture = driver->getTextureByIndex(i);
3710                 infostream << "\t\t" << i << ":" << texture->getName().getPath().c_str()
3711                                 << std::endl;
3712         }
3713         clearTextureNameCache();
3714         infostream << "\tRemaining materials: "
3715                 << driver-> getMaterialRendererCount ()
3716                 << " (note: irrlicht doesn't support removing renderers)"<< std::endl;
3717 }
3718
3719