src/game.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 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 "client.h"
  29 #include "server.h"
  30 #include "guiPauseMenu.h"
  31 #include "guiPasswordChange.h"
  32 #include "guiFormSpecMenu.h"
  33 #include "guiTextInputMenu.h"
  34 #include "guiDeathScreen.h"
  35 #include "tool.h"
  36 #include "guiChatConsole.h"
  37 #include "config.h"
  38 #include "clouds.h"
  39 #include "camera.h"
  40 #include "farmesh.h"
  41 #include "mapblock.h"
  42 #include "settings.h"
  43 #include "profiler.h"
  44 #include "mainmenumanager.h"
  45 #include "gettext.h"
  46 #include "log.h"
  47 #include "filesys.h"
  48 // Needed for determining pointing to nodes
  49 #include "nodedef.h"
  50 #include "nodemetadata.h"
  51 #include "main.h" // For g_settings
  52 #include "itemdef.h"
  53 #include "tile.h" // For TextureSource
  54 #include "shader.h" // For ShaderSource
  55 #include "logoutputbuffer.h"
  56 #include "subgame.h"
  57 #include "quicktune_shortcutter.h"
  58 #include "clientmap.h"
  59 #include "sky.h"
  60 #include "sound.h"
  61 #if USE_SOUND
  62         #include "sound_openal.h"
  63 #endif
  64 #include "event_manager.h"
  65 #include <list>
  66 #include "util/directiontables.h"
  67
  68 /*
  69         Text input system
  70 */
  71
  72 struct TextDestChat : public TextDest
  73 {
  74         TextDestChat(Client *client)
  75         {
  76                 m_client = client;
  77         }
  78         void gotText(std::wstring text)
  79         {
  80                 m_client->typeChatMessage(text);
  81         }
  82         void gotText(std::map<std::string, std::string> fields)
  83         {
  84                 m_client->typeChatMessage(narrow_to_wide(fields["text"]));
  85         }
  86
  87         Client *m_client;
  88 };
  89
  90 struct TextDestNodeMetadata : public TextDest
  91 {
  92         TextDestNodeMetadata(v3s16 p, Client *client)
  93         {
  94                 m_p = p;
  95                 m_client = client;
  96         }
  97         // This is deprecated I guess? -celeron55
  98         void gotText(std::wstring text)
  99         {
 100                 std::string ntext = wide_to_narrow(text);
 101                 infostream<<"Submitting 'text' field of node at ("<<m_p.X<<","
 102                                 <<m_p.Y<<","<<m_p.Z<<"): "<<ntext<<std::endl;
 103                 std::map<std::string, std::string> fields;
 104                 fields["text"] = ntext;
 105                 m_client->sendNodemetaFields(m_p, "", fields);
 106         }
 107         void gotText(std::map<std::string, std::string> fields)
 108         {
 109                 m_client->sendNodemetaFields(m_p, "", fields);
 110         }
 111
 112         v3s16 m_p;
 113         Client *m_client;
 114 };
 115
 116 struct TextDestPlayerInventory : public TextDest
 117 {
 118         TextDestPlayerInventory(Client *client)
 119         {
 120                 m_client = client;
 121         }
 122         void gotText(std::map<std::string, std::string> fields)
 123         {
 124                 m_client->sendInventoryFields("", fields);
 125         }
 126
 127         Client *m_client;
 128 };
 129
 130 /* Respawn menu callback */
 131
 132 class MainRespawnInitiator: public IRespawnInitiator
 133 {
 134 public:
 135         MainRespawnInitiator(bool *active, Client *client):
 136                 m_active(active), m_client(client)
 137         {
 138                 *m_active = true;
 139         }
 140         void respawn()
 141         {
 142                 *m_active = false;
 143                 m_client->sendRespawn();
 144         }
 145 private:
 146         bool *m_active;
 147         Client *m_client;
 148 };
 149
 150 /* Form update callback */
 151
 152 class NodeMetadataFormSource: public IFormSource
 153 {
 154 public:
 155         NodeMetadataFormSource(ClientMap *map, v3s16 p):
 156                 m_map(map),
 157                 m_p(p)
 158         {
 159         }
 160         std::string getForm()
 161         {
 162                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 163                 if(!meta)
 164                         return "";
 165                 return meta->getString("formspec");
 166         }
 167         std::string resolveText(std::string str)
 168         {
 169                 NodeMetadata *meta = m_map->getNodeMetadata(m_p);
 170                 if(!meta)
 171                         return str;
 172                 return meta->resolveString(str);
 173         }
 174
 175         ClientMap *m_map;
 176         v3s16 m_p;
 177 };
 178
 179 class PlayerInventoryFormSource: public IFormSource
 180 {
 181 public:
 182         PlayerInventoryFormSource(Client *client):
 183                 m_client(client)
 184         {
 185         }
 186         std::string getForm()
 187         {
 188                 LocalPlayer* player = m_client->getEnv().getLocalPlayer();
 189                 return player->inventory_formspec;
 190         }
 191
 192         Client *m_client;
 193 };
 194
 195 class FormspecFormSource: public IFormSource
 196 {
 197 public:
 198         FormspecFormSource(std::string formspec,FormspecFormSource** game_formspec)
 199         {
 200                 m_formspec = formspec;
 201                 m_game_formspec = game_formspec;
 202         }
 203
 204         ~FormspecFormSource()
 205         {
 206                 *m_game_formspec = 0;
 207         }
 208
 209         void setForm(std::string formspec) {
 210                 m_formspec = formspec;
 211         }
 212
 213         std::string getForm()
 214         {
 215                 return m_formspec;
 216         }
 217
 218         std::string m_formspec;
 219         FormspecFormSource** m_game_formspec;
 220 };
 221 /*
 222         Hotbar draw routine
 223 */
 224 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 225                 IGameDef *gamedef,
 226                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 227                 Inventory *inventory, s32 halfheartcount, u16 playeritem)
 228 {
 229         InventoryList *mainlist = inventory->getList("main");
 230         if(mainlist == NULL)
 231         {
 232                 errorstream<<"draw_hotbar(): mainlist == NULL"<<std::endl;
 233                 return;
 234         }
 235
 236         s32 padding = imgsize/12;
 237         //s32 height = imgsize + padding*2;
 238         s32 width = itemcount*(imgsize+padding*2);
 239
 240         // Position of upper left corner of bar
 241         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 242
 243         // Draw background color
 244         /*core::rect<s32> barrect(0,0,width,height);
 245         barrect += pos;
 246         video::SColor bgcolor(255,128,128,128);
 247         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 248
 249         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 250
 251         for(s32 i=0; i<itemcount; i++)
 252         {
 253                 const ItemStack &item = mainlist->getItem(i);
 254
 255                 core::rect<s32> rect = imgrect + pos
 256                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 257
 258                 if(playeritem == i)
 259                 {
 260                         video::SColor c_outside(255,255,0,0);
 261                         //video::SColor c_outside(255,0,0,0);
 262                         //video::SColor c_inside(255,192,192,192);
 263                         s32 x1 = rect.UpperLeftCorner.X;
 264                         s32 y1 = rect.UpperLeftCorner.Y;
 265                         s32 x2 = rect.LowerRightCorner.X;
 266                         s32 y2 = rect.LowerRightCorner.Y;
 267                         // Black base borders
 268                         driver->draw2DRectangle(c_outside,
 269                                         core::rect<s32>(
 270                                                 v2s32(x1 - padding, y1 - padding),
 271                                                 v2s32(x2 + padding, y1)
 272                                         ), NULL);
 273                         driver->draw2DRectangle(c_outside,
 274                                         core::rect<s32>(
 275                                                 v2s32(x1 - padding, y2),
 276                                                 v2s32(x2 + padding, y2 + padding)
 277                                         ), NULL);
 278                         driver->draw2DRectangle(c_outside,
 279                                         core::rect<s32>(
 280                                                 v2s32(x1 - padding, y1),
 281                                                 v2s32(x1, y2)
 282                                         ), NULL);
 283                         driver->draw2DRectangle(c_outside,
 284                                         core::rect<s32>(
 285                                                 v2s32(x2, y1),
 286                                                 v2s32(x2 + padding, y2)
 287                                         ), NULL);
 288                         /*// Light inside borders
 289                         driver->draw2DRectangle(c_inside,
 290                                         core::rect<s32>(
 291                                                 v2s32(x1 - padding/2, y1 - padding/2),
 292                                                 v2s32(x2 + padding/2, y1)
 293                                         ), NULL);
 294                         driver->draw2DRectangle(c_inside,
 295                                         core::rect<s32>(
 296                                                 v2s32(x1 - padding/2, y2),
 297                                                 v2s32(x2 + padding/2, y2 + padding/2)
 298                                         ), NULL);
 299                         driver->draw2DRectangle(c_inside,
 300                                         core::rect<s32>(
 301                                                 v2s32(x1 - padding/2, y1),
 302                                                 v2s32(x1, y2)
 303                                         ), NULL);
 304                         driver->draw2DRectangle(c_inside,
 305                                         core::rect<s32>(
 306                                                 v2s32(x2, y1),
 307                                                 v2s32(x2 + padding/2, y2)
 308                                         ), NULL);
 309                         */
 310                 }
 311
 312                 video::SColor bgcolor2(128,0,0,0);
 313                 driver->draw2DRectangle(bgcolor2, rect, NULL);
 314                 drawItemStack(driver, font, item, rect, NULL, gamedef);
 315         }
 316
 317         /*
 318                 Draw hearts
 319         */
 320         video::ITexture *heart_texture =
 321                 gamedef->getTextureSource()->getTextureRaw("heart.png");
 322         if(heart_texture)
 323         {
 324                 v2s32 p = pos + v2s32(0, -20);
 325                 for(s32 i=0; i<halfheartcount/2; i++)
 326                 {
 327                         const video::SColor color(255,255,255,255);
 328                         const video::SColor colors[] = {color,color,color,color};
 329                         core::rect<s32> rect(0,0,16,16);
 330                         rect += p;
 331                         driver->draw2DImage(heart_texture, rect,
 332                                 core::rect<s32>(core::position2d<s32>(0,0),
 333                                 core::dimension2di(heart_texture->getOriginalSize())),
 334                                 NULL, colors, true);
 335                         p += v2s32(16,0);
 336                 }
 337                 if(halfheartcount % 2 == 1)
 338                 {
 339                         const video::SColor color(255,255,255,255);
 340                         const video::SColor colors[] = {color,color,color,color};
 341                         core::rect<s32> rect(0,0,16/2,16);
 342                         rect += p;
 343                         core::dimension2di srcd(heart_texture->getOriginalSize());
 344                         srcd.Width /= 2;
 345                         driver->draw2DImage(heart_texture, rect,
 346                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 347                                 NULL, colors, true);
 348                         p += v2s32(16,0);
 349                 }
 350         }
 351 }
 352
 353 /*
 354         Check if a node is pointable
 355 */
 356 inline bool isPointableNode(const MapNode& n,
 357                 Client *client, bool liquids_pointable)
 358 {
 359         const ContentFeatures &features = client->getNodeDefManager()->get(n);
 360         return features.pointable ||
 361                 (liquids_pointable && features.isLiquid());
 362 }
 363
 364 /*
 365         Find what the player is pointing at
 366 */
 367 PointedThing getPointedThing(Client *client, v3f player_position,
 368                 v3f camera_direction, v3f camera_position,
 369                 core::line3d<f32> shootline, f32 d,
 370                 bool liquids_pointable,
 371                 bool look_for_object,
 372                 std::vector<aabb3f> &hilightboxes,
 373                 ClientActiveObject *&selected_object)
 374 {
 375         PointedThing result;
 376
 377         hilightboxes.clear();
 378         selected_object = NULL;
 379
 380         INodeDefManager *nodedef = client->getNodeDefManager();
 381         ClientMap &map = client->getEnv().getClientMap();
 382
 383         // First try to find a pointed at active object
 384         if(look_for_object)
 385         {
 386                 selected_object = client->getSelectedActiveObject(d*BS,
 387                                 camera_position, shootline);
 388
 389                 if(selected_object != NULL)
 390                 {
 391                         if(selected_object->doShowSelectionBox())
 392                         {
 393                                 aabb3f *selection_box = selected_object->getSelectionBox();
 394                                 // Box should exist because object was
 395                                 // returned in the first place
 396                                 assert(selection_box);
 397
 398                                 v3f pos = selected_object->getPosition();
 399                                 hilightboxes.push_back(aabb3f(
 400                                                 selection_box->MinEdge + pos,
 401                                                 selection_box->MaxEdge + pos));
 402                         }
 403
 404
 405                         result.type = POINTEDTHING_OBJECT;
 406                         result.object_id = selected_object->getId();
 407                         return result;
 408                 }
 409         }
 410
 411         // That didn't work, try to find a pointed at node
 412
 413         f32 mindistance = BS * 1001;
 414
 415         v3s16 pos_i = floatToInt(player_position, BS);
 416
 417         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 418                         <<std::endl;*/
 419
 420         s16 a = d;
 421         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 422         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 423         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 424         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 425         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 426         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 427
 428         // Prevent signed number overflow
 429         if(yend==32767)
 430                 yend=32766;
 431         if(zend==32767)
 432                 zend=32766;
 433         if(xend==32767)
 434                 xend=32766;
 435
 436         for(s16 y = ystart; y <= yend; y++)
 437         for(s16 z = zstart; z <= zend; z++)
 438         for(s16 x = xstart; x <= xend; x++)
 439         {
 440                 MapNode n;
 441                 try
 442                 {
 443                         n = map.getNode(v3s16(x,y,z));
 444                 }
 445                 catch(InvalidPositionException &e)
 446                 {
 447                         continue;
 448                 }
 449                 if(!isPointableNode(n, client, liquids_pointable))
 450                         continue;
 451
 452                 std::vector<aabb3f> boxes = n.getSelectionBoxes(nodedef);
 453
 454                 v3s16 np(x,y,z);
 455                 v3f npf = intToFloat(np, BS);
 456
 457                 for(std::vector<aabb3f>::const_iterator
 458                                 i = boxes.begin();
 459                                 i != boxes.end(); i++)
 460                 {
 461                         aabb3f box = *i;
 462                         box.MinEdge += npf;
 463                         box.MaxEdge += npf;
 464
 465                         for(u16 j=0; j<6; j++)
 466                         {
 467                                 v3s16 facedir = g_6dirs[j];
 468                                 aabb3f facebox = box;
 469
 470                                 f32 d = 0.001*BS;
 471                                 if(facedir.X > 0)
 472                                         facebox.MinEdge.X = facebox.MaxEdge.X-d;
 473                                 else if(facedir.X < 0)
 474                                         facebox.MaxEdge.X = facebox.MinEdge.X+d;
 475                                 else if(facedir.Y > 0)
 476                                         facebox.MinEdge.Y = facebox.MaxEdge.Y-d;
 477                                 else if(facedir.Y < 0)
 478                                         facebox.MaxEdge.Y = facebox.MinEdge.Y+d;
 479                                 else if(facedir.Z > 0)
 480                                         facebox.MinEdge.Z = facebox.MaxEdge.Z-d;
 481                                 else if(facedir.Z < 0)
 482                                         facebox.MaxEdge.Z = facebox.MinEdge.Z+d;
 483
 484                                 v3f centerpoint = facebox.getCenter();
 485                                 f32 distance = (centerpoint - camera_position).getLength();
 486                                 if(distance >= mindistance)
 487                                         continue;
 488                                 if(!facebox.intersectsWithLine(shootline))
 489                                         continue;
 490
 491                                 v3s16 np_above = np + facedir;
 492
 493                                 result.type = POINTEDTHING_NODE;
 494                                 result.node_undersurface = np;
 495                                 result.node_abovesurface = np_above;
 496                                 mindistance = distance;
 497
 498                                 hilightboxes.clear();
 499                                 for(std::vector<aabb3f>::const_iterator
 500                                                 i2 = boxes.begin();
 501                                                 i2 != boxes.end(); i2++)
 502                                 {
 503                                         aabb3f box = *i2;
 504                                         box.MinEdge += npf + v3f(-d,-d,-d);
 505                                         box.MaxEdge += npf + v3f(d,d,d);
 506                                         hilightboxes.push_back(box);
 507                                 }
 508                         }
 509                 }
 510         } // for coords
 511
 512         return result;
 513 }
 514
 515 /*
 516         Draws a screen with a single text on it.
 517         Text will be removed when the screen is drawn the next time.
 518 */
 519 /*gui::IGUIStaticText **/
 520 void draw_load_screen(const std::wstring &text,
 521                 video::IVideoDriver* driver, gui::IGUIFont* font)
 522 {
 523         v2u32 screensize = driver->getScreenSize();
 524         const wchar_t *loadingtext = text.c_str();
 525         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 526         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 527         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 528         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 529
 530         gui::IGUIStaticText *guitext = guienv->addStaticText(
 531                         loadingtext, textrect, false, false);
 532         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 533
 534         driver->beginScene(true, true, video::SColor(255,0,0,0));
 535         guienv->drawAll();
 536         driver->endScene();
 537
 538         guitext->remove();
 539
 540         //return guitext;
 541 }
 542
 543 /* Profiler display */
 544
 545 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler,
 546                 gui::IGUIFont *font, u32 text_height,
 547                 u32 show_profiler, u32 show_profiler_max)
 548 {
 549         if(show_profiler == 0)
 550         {
 551                 guitext_profiler->setVisible(false);
 552         }
 553         else
 554         {
 555
 556                 std::ostringstream os(std::ios_base::binary);
 557                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 558                 std::wstring text = narrow_to_wide(os.str());
 559                 guitext_profiler->setText(text.c_str());
 560                 guitext_profiler->setVisible(true);
 561
 562                 s32 w = font->getDimension(text.c_str()).Width;
 563                 if(w < 400)
 564                         w = 400;
 565                 core::rect<s32> rect(6, 4+(text_height+5)*2, 12+w,
 566                                 8+(text_height+5)*2 +
 567                                 font->getDimension(text.c_str()).Height);
 568                 guitext_profiler->setRelativePosition(rect);
 569                 guitext_profiler->setVisible(true);
 570         }
 571 }
 572
 573 class ProfilerGraph
 574 {
 575 private:
 576         struct Piece{
 577                 Profiler::GraphValues values;
 578         };
 579         struct Meta{
 580                 float min;
 581                 float max;
 582                 video::SColor color;
 583                 Meta(float initial=0, video::SColor color=
 584                                 video::SColor(255,255,255,255)):
 585                         min(initial),
 586                         max(initial),
 587                         color(color)
 588                 {}
 589         };
 590         std::list<Piece> m_log;
 591 public:
 592         u32 m_log_max_size;
 593
 594         ProfilerGraph():
 595                 m_log_max_size(200)
 596         {}
 597
 598         void put(const Profiler::GraphValues &values)
 599         {
 600                 Piece piece;
 601                 piece.values = values;
 602                 m_log.push_back(piece);
 603                 while(m_log.size() > m_log_max_size)
 604                         m_log.erase(m_log.begin());
 605         }
 606
 607         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 608                         gui::IGUIFont* font) const
 609         {
 610                 std::map<std::string, Meta> m_meta;
 611                 for(std::list<Piece>::const_iterator k = m_log.begin();
 612                                 k != m_log.end(); k++)
 613                 {
 614                         const Piece &piece = *k;
 615                         for(Profiler::GraphValues::const_iterator i = piece.values.begin();
 616                                         i != piece.values.end(); i++){
 617                                 const std::string &id = i->first;
 618                                 const float &value = i->second;
 619                                 std::map<std::string, Meta>::iterator j =
 620                                                 m_meta.find(id);
 621                                 if(j == m_meta.end()){
 622                                         m_meta[id] = Meta(value);
 623                                         continue;
 624                                 }
 625                                 if(value < j->second.min)
 626                                         j->second.min = value;
 627                                 if(value > j->second.max)
 628                                         j->second.max = value;
 629                         }
 630                 }
 631
 632                 // Assign colors
 633                 static const video::SColor usable_colors[] = {
 634                         video::SColor(255,255,100,100),
 635                         video::SColor(255,90,225,90),
 636                         video::SColor(255,100,100,255),
 637                         video::SColor(255,255,150,50),
 638                         video::SColor(255,220,220,100)
 639                 };
 640                 static const u32 usable_colors_count =
 641                                 sizeof(usable_colors) / sizeof(*usable_colors);
 642                 u32 next_color_i = 0;
 643                 for(std::map<std::string, Meta>::iterator i = m_meta.begin();
 644                                 i != m_meta.end(); i++){
 645                         Meta &meta = i->second;
 646                         video::SColor color(255,200,200,200);
 647                         if(next_color_i < usable_colors_count)
 648                                 color = usable_colors[next_color_i++];
 649                         meta.color = color;
 650                 }
 651
 652                 s32 graphh = 50;
 653                 s32 textx = x_left + m_log_max_size + 15;
 654                 s32 textx2 = textx + 200 - 15;
 655
 656                 // Draw background
 657                 /*{
 658                         u32 num_graphs = m_meta.size();
 659                         core::rect<s32> rect(x_left, y_bottom - num_graphs*graphh,
 660                                         textx2, y_bottom);
 661                         video::SColor bgcolor(120,0,0,0);
 662                         driver->draw2DRectangle(bgcolor, rect, NULL);
 663                 }*/
 664
 665                 s32 meta_i = 0;
 666                 for(std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 667                                 i != m_meta.end(); i++){
 668                         const std::string &id = i->first;
 669                         const Meta &meta = i->second;
 670                         s32 x = x_left;
 671                         s32 y = y_bottom - meta_i * 50;
 672                         float show_min = meta.min;
 673                         float show_max = meta.max;
 674                         if(show_min >= -0.0001 && show_max >= -0.0001){
 675                                 if(show_min <= show_max * 0.5)
 676                                         show_min = 0;
 677                         }
 678                         s32 texth = 15;
 679                         char buf[10];
 680                         snprintf(buf, 10, "%.3g", show_max);
 681                         font->draw(narrow_to_wide(buf).c_str(),
 682                                         core::rect<s32>(textx, y - graphh,
 683                                         textx2, y - graphh + texth),
 684                                         meta.color);
 685                         snprintf(buf, 10, "%.3g", show_min);
 686                         font->draw(narrow_to_wide(buf).c_str(),
 687                                         core::rect<s32>(textx, y - texth,
 688                                         textx2, y),
 689                                         meta.color);
 690                         font->draw(narrow_to_wide(id).c_str(),
 691                                         core::rect<s32>(textx, y - graphh/2 - texth/2,
 692                                         textx2, y - graphh/2 + texth/2),
 693                                         meta.color);
 694                         s32 graph1y = y;
 695                         s32 graph1h = graphh;
 696                         bool relativegraph = (show_min != 0 && show_min != show_max);
 697                         float lastscaledvalue = 0.0;
 698                         bool lastscaledvalue_exists = false;
 699                         for(std::list<Piece>::const_iterator j = m_log.begin();
 700                                         j != m_log.end(); j++)
 701                         {
 702                                 const Piece &piece = *j;
 703                                 float value = 0;
 704                                 bool value_exists = false;
 705                                 Profiler::GraphValues::const_iterator k =
 706                                                 piece.values.find(id);
 707                                 if(k != piece.values.end()){
 708                                         value = k->second;
 709                                         value_exists = true;
 710                                 }
 711                                 if(!value_exists){
 712                                         x++;
 713                                         lastscaledvalue_exists = false;
 714                                         continue;
 715                                 }
 716                                 float scaledvalue = 1.0;
 717                                 if(show_max != show_min)
 718                                         scaledvalue = (value - show_min) / (show_max - show_min);
 719                                 if(scaledvalue == 1.0 && value == 0){
 720                                         x++;
 721                                         lastscaledvalue_exists = false;
 722                                         continue;
 723                                 }
 724                                 if(relativegraph){
 725                                         if(lastscaledvalue_exists){
 726                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 727                                                 s32 ivalue2 = scaledvalue * graph1h;
 728                                                 driver->draw2DLine(v2s32(x-1, graph1y - ivalue1),
 729                                                                 v2s32(x, graph1y - ivalue2), meta.color);
 730                                         }
 731                                         lastscaledvalue = scaledvalue;
 732                                         lastscaledvalue_exists = true;
 733                                 } else{
 734                                         s32 ivalue = scaledvalue * graph1h;
 735                                         driver->draw2DLine(v2s32(x, graph1y),
 736                                                         v2s32(x, graph1y - ivalue), meta.color);
 737                                 }
 738                                 x++;
 739                         }
 740                         meta_i++;
 741                 }
 742         }
 743 };
 744
 745 class NodeDugEvent: public MtEvent
 746 {
 747 public:
 748         v3s16 p;
 749         MapNode n;
 750
 751         NodeDugEvent(v3s16 p, MapNode n):
 752                 p(p),
 753                 n(n)
 754         {}
 755         const char* getType() const
 756         {return "NodeDug";}
 757 };
 758
 759 class SoundMaker
 760 {
 761         ISoundManager *m_sound;
 762         INodeDefManager *m_ndef;
 763 public:
 764         float m_player_step_timer;
 765
 766         SimpleSoundSpec m_player_step_sound;
 767         SimpleSoundSpec m_player_leftpunch_sound;
 768         SimpleSoundSpec m_player_rightpunch_sound;
 769
 770         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 771                 m_sound(sound),
 772                 m_ndef(ndef),
 773                 m_player_step_timer(0)
 774         {
 775         }
 776
 777         void playPlayerStep()
 778         {
 779                 if(m_player_step_timer <= 0 && m_player_step_sound.exists()){
 780                         m_player_step_timer = 0.03;
 781                         m_sound->playSound(m_player_step_sound, false);
 782                 }
 783         }
 784
 785         static void viewBobbingStep(MtEvent *e, void *data)
 786         {
 787                 SoundMaker *sm = (SoundMaker*)data;
 788                 sm->playPlayerStep();
 789         }
 790
 791         static void playerRegainGround(MtEvent *e, void *data)
 792         {
 793                 SoundMaker *sm = (SoundMaker*)data;
 794                 sm->playPlayerStep();
 795         }
 796
 797         static void playerJump(MtEvent *e, void *data)
 798         {
 799                 //SoundMaker *sm = (SoundMaker*)data;
 800         }
 801
 802         static void cameraPunchLeft(MtEvent *e, void *data)
 803         {
 804                 SoundMaker *sm = (SoundMaker*)data;
 805                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 806         }
 807
 808         static void cameraPunchRight(MtEvent *e, void *data)
 809         {
 810                 SoundMaker *sm = (SoundMaker*)data;
 811                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 812         }
 813
 814         static void nodeDug(MtEvent *e, void *data)
 815         {
 816                 SoundMaker *sm = (SoundMaker*)data;
 817                 NodeDugEvent *nde = (NodeDugEvent*)e;
 818                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 819         }
 820
 821         void registerReceiver(MtEventManager *mgr)
 822         {
 823                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 824                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 825                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 826                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 827                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 828                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 829         }
 830
 831         void step(float dtime)
 832         {
 833                 m_player_step_timer -= dtime;
 834         }
 835 };
 836
 837 // Locally stored sounds don't need to be preloaded because of this
 838 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 839 {
 840         std::set<std::string> m_fetched;
 841 public:
 842
 843         void fetchSounds(const std::string &name,
 844                         std::set<std::string> &dst_paths,
 845                         std::set<std::string> &dst_datas)
 846         {
 847                 if(m_fetched.count(name))
 848                         return;
 849                 m_fetched.insert(name);
 850                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
 851                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
 852                 dst_paths.insert(base + DIR_DELIM + name + ".0.ogg");
 853                 dst_paths.insert(base + DIR_DELIM + name + ".1.ogg");
 854                 dst_paths.insert(base + DIR_DELIM + name + ".2.ogg");
 855                 dst_paths.insert(base + DIR_DELIM + name + ".3.ogg");
 856                 dst_paths.insert(base + DIR_DELIM + name + ".4.ogg");
 857                 dst_paths.insert(base + DIR_DELIM + name + ".5.ogg");
 858                 dst_paths.insert(base + DIR_DELIM + name + ".6.ogg");
 859                 dst_paths.insert(base + DIR_DELIM + name + ".7.ogg");
 860                 dst_paths.insert(base + DIR_DELIM + name + ".8.ogg");
 861                 dst_paths.insert(base + DIR_DELIM + name + ".9.ogg");
 862         }
 863 };
 864
 865 class GameGlobalShaderConstantSetter : public IShaderConstantSetter
 866 {
 867         Sky *m_sky;
 868         bool *m_force_fog_off;
 869         f32 *m_fog_range;
 870         Client *m_client;
 871
 872 public:
 873         GameGlobalShaderConstantSetter(Sky *sky, bool *force_fog_off,
 874                         f32 *fog_range, Client *client):
 875                 m_sky(sky),
 876                 m_force_fog_off(force_fog_off),
 877                 m_fog_range(fog_range),
 878                 m_client(client)
 879         {}
 880         ~GameGlobalShaderConstantSetter() {}
 881
 882         virtual void onSetConstants(video::IMaterialRendererServices *services,
 883                         bool is_highlevel)
 884         {
 885                 if(!is_highlevel)
 886                         return;
 887
 888                 // Background color
 889                 video::SColor bgcolor = m_sky->getBgColor();
 890                 video::SColorf bgcolorf(bgcolor);
 891                 float bgcolorfa[4] = {
 892                         bgcolorf.r,
 893                         bgcolorf.g,
 894                         bgcolorf.b,
 895                         bgcolorf.a,
 896                 };
 897                 services->setPixelShaderConstant("skyBgColor", bgcolorfa, 4);
 898
 899                 // Fog distance
 900                 float fog_distance = *m_fog_range;
 901                 if(*m_force_fog_off)
 902                         fog_distance = 10000*BS;
 903                 services->setPixelShaderConstant("fogDistance", &fog_distance, 1);
 904
 905                 // Day-night ratio
 906                 u32 daynight_ratio = m_client->getEnv().getDayNightRatio();
 907                 float daynight_ratio_f = (float)daynight_ratio / 1000.0;
 908                 services->setPixelShaderConstant("dayNightRatio", &daynight_ratio_f, 1);
 909         }
 910 };
 911
 912 void the_game(
 913         bool &kill,
 914         bool random_input,
 915         InputHandler *input,
 916         IrrlichtDevice *device,
 917         gui::IGUIFont* font,
 918         std::string map_dir,
 919         std::string playername,
 920         std::string password,
 921         std::string address, // If "", local server is used
 922         u16 port,
 923         std::wstring &error_message,
 924         std::string configpath,
 925         ChatBackend &chat_backend,
 926         const SubgameSpec &gamespec, // Used for local game,
 927         bool simple_singleplayer_mode
 928 )
 929 {
 930         FormspecFormSource* current_formspec = 0;
 931         video::IVideoDriver* driver = device->getVideoDriver();
 932         scene::ISceneManager* smgr = device->getSceneManager();
 933
 934         // Calculate text height using the font
 935         u32 text_height = font->getDimension(L"Random test string").Height;
 936
 937         v2u32 screensize(0,0);
 938         v2u32 last_screensize(0,0);
 939         screensize = driver->getScreenSize();
 940
 941         const s32 hotbar_itemcount = 8;
 942         //const s32 hotbar_imagesize = 36;
 943         //const s32 hotbar_imagesize = 64;
 944         s32 hotbar_imagesize = 48;
 945
 946         /*
 947                 Draw "Loading" screen
 948         */
 949
 950         draw_load_screen(L"Loading...", driver, font);
 951
 952         // Create texture source
 953         IWritableTextureSource *tsrc = createTextureSource(device);
 954
 955         // Create shader source
 956         IWritableShaderSource *shsrc = createShaderSource(device);
 957
 958         // These will be filled by data received from the server
 959         // Create item definition manager
 960         IWritableItemDefManager *itemdef = createItemDefManager();
 961         // Create node definition manager
 962         IWritableNodeDefManager *nodedef = createNodeDefManager();
 963
 964         // Sound fetcher (useful when testing)
 965         GameOnDemandSoundFetcher soundfetcher;
 966
 967         // Sound manager
 968         ISoundManager *sound = NULL;
 969         bool sound_is_dummy = false;
 970 #if USE_SOUND
 971         if(g_settings->getBool("enable_sound")){
 972                 infostream<<"Attempting to use OpenAL audio"<<std::endl;
 973                 sound = createOpenALSoundManager(&soundfetcher);
 974                 if(!sound)
 975                         infostream<<"Failed to initialize OpenAL audio"<<std::endl;
 976         } else {
 977                 infostream<<"Sound disabled."<<std::endl;
 978         }
 979 #endif
 980         if(!sound){
 981                 infostream<<"Using dummy audio."<<std::endl;
 982                 sound = &dummySoundManager;
 983                 sound_is_dummy = true;
 984         }
 985
 986         // Event manager
 987         EventManager eventmgr;
 988
 989         // Sound maker
 990         SoundMaker soundmaker(sound, nodedef);
 991         soundmaker.registerReceiver(&eventmgr);
 992
 993         // Add chat log output for errors to be shown in chat
 994         LogOutputBuffer chat_log_error_buf(LMT_ERROR);
 995
 996         // Create UI for modifying quicktune values
 997         QuicktuneShortcutter quicktune;
 998
 999         /*
1000                 Create server.
1001                 SharedPtr will delete it when it goes out of scope.
1002         */
1003         SharedPtr<Server> server;
1004         if(address == ""){
1005                 draw_load_screen(L"Creating server...", driver, font);
1006                 infostream<<"Creating server"<<std::endl;
1007                 server = new Server(map_dir, configpath, gamespec,
1008                                 simple_singleplayer_mode);
1009                 server->start(port);
1010         }
1011
1012         try{
1013         do{ // Client scope (breakable do-while(0))
1014
1015         /*
1016                 Create client
1017         */
1018
1019         draw_load_screen(L"Creating client...", driver, font);
1020         infostream<<"Creating client"<<std::endl;
1021
1022         MapDrawControl draw_control;
1023
1024         Client client(device, playername.c_str(), password, draw_control,
1025                         tsrc, shsrc, itemdef, nodedef, sound, &eventmgr);
1026
1027         // Client acts as our GameDef
1028         IGameDef *gamedef = &client;
1029
1030         draw_load_screen(L"Resolving address...", driver, font);
1031         Address connect_address(0,0,0,0, port);
1032         try{
1033                 if(address == "")
1034                         //connect_address.Resolve("localhost");
1035                         connect_address.setAddress(127,0,0,1);
1036                 else
1037                         connect_address.Resolve(address.c_str());
1038         }
1039         catch(ResolveError &e)
1040         {
1041                 error_message = L"Couldn't resolve address";
1042                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1043                 // Break out of client scope
1044                 break;
1045         }
1046
1047         /*
1048                 Attempt to connect to the server
1049         */
1050
1051         infostream<<"Connecting to server at ";
1052         connect_address.print(&infostream);
1053         infostream<<std::endl;
1054         client.connect(connect_address);
1055
1056         /*
1057                 Wait for server to accept connection
1058         */
1059         bool could_connect = false;
1060         bool connect_aborted = false;
1061         try{
1062                 float frametime = 0.033;
1063                 float time_counter = 0.0;
1064                 input->clear();
1065                 while(device->run())
1066                 {
1067                         // Update client and server
1068                         client.step(frametime);
1069                         if(server != NULL)
1070                                 server->step(frametime);
1071
1072                         // End condition
1073                         if(client.connectedAndInitialized()){
1074                                 could_connect = true;
1075                                 break;
1076                         }
1077                         // Break conditions
1078                         if(client.accessDenied()){
1079                                 error_message = L"Access denied. Reason: "
1080                                                 +client.accessDeniedReason();
1081                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1082                                 break;
1083                         }
1084                         if(input->wasKeyDown(EscapeKey)){
1085                                 connect_aborted = true;
1086                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1087                                 break;
1088                         }
1089
1090                         // Display status
1091                         std::wostringstream ss;
1092                         ss<<L"Connecting to server... (press Escape to cancel)\n";
1093                         std::wstring animation = L"/-\\|";
1094                         ss<<animation[(int)(time_counter/0.2)%4];
1095                         draw_load_screen(ss.str(), driver, font);
1096
1097                         // Delay a bit
1098                         sleep_ms(1000*frametime);
1099                         time_counter += frametime;
1100                 }
1101         }
1102         catch(con::PeerNotFoundException &e)
1103         {}
1104
1105         /*
1106                 Handle failure to connect
1107         */
1108         if(!could_connect){
1109                 if(error_message == L"" && !connect_aborted){
1110                         error_message = L"Connection failed";
1111                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1112                 }
1113                 // Break out of client scope
1114                 break;
1115         }
1116
1117         /*
1118                 Wait until content has been received
1119         */
1120         bool got_content = false;
1121         bool content_aborted = false;
1122         {
1123                 float frametime = 0.033;
1124                 float time_counter = 0.0;
1125                 input->clear();
1126                 while(device->run())
1127                 {
1128                         // Update client and server
1129                         client.step(frametime);
1130                         if(server != NULL)
1131                                 server->step(frametime);
1132
1133                         // End condition
1134                         if(client.texturesReceived() &&
1135                                         client.itemdefReceived() &&
1136                                         client.nodedefReceived()){
1137                                 got_content = true;
1138                                 break;
1139                         }
1140                         // Break conditions
1141                         if(!client.connectedAndInitialized()){
1142                                 error_message = L"Client disconnected";
1143                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1144                                 break;
1145                         }
1146                         if(input->wasKeyDown(EscapeKey)){
1147                                 content_aborted = true;
1148                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1149                                 break;
1150                         }
1151
1152                         // Display status
1153                         std::wostringstream ss;
1154                         ss<<L"Waiting content... (press Escape to cancel)\n";
1155
1156                         ss<<(client.itemdefReceived()?L"[X]":L"[  ]");
1157                         ss<<L" Item definitions\n";
1158                         ss<<(client.nodedefReceived()?L"[X]":L"[  ]");
1159                         ss<<L" Node definitions\n";
1160                         ss<<L"["<<(int)(client.mediaReceiveProgress()*100+0.5)<<L"%] ";
1161                         ss<<L" Media\n";
1162
1163                         draw_load_screen(ss.str(), driver, font);
1164
1165                         // Delay a bit
1166                         sleep_ms(1000*frametime);
1167                         time_counter += frametime;
1168                 }
1169         }
1170
1171         if(!got_content){
1172                 if(error_message == L"" && !content_aborted){
1173                         error_message = L"Something failed";
1174                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1175                 }
1176                 // Break out of client scope
1177                 break;
1178         }
1179
1180         /*
1181                 After all content has been received:
1182                 Update cached textures, meshes and materials
1183         */
1184         client.afterContentReceived();
1185
1186         /*
1187                 Create the camera node
1188         */
1189         Camera camera(smgr, draw_control, gamedef);
1190         if (!camera.successfullyCreated(error_message))
1191                 return;
1192
1193         f32 camera_yaw = 0; // "right/left"
1194         f32 camera_pitch = 0; // "up/down"
1195
1196         /*
1197                 Clouds
1198         */
1199
1200         Clouds *clouds = NULL;
1201         if(g_settings->getBool("enable_clouds"))
1202         {
1203                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
1204         }
1205
1206         /*
1207                 Skybox thingy
1208         */
1209
1210         Sky *sky = NULL;
1211         sky = new Sky(smgr->getRootSceneNode(), smgr, -1);
1212
1213         /*
1214                 FarMesh
1215         */
1216
1217         FarMesh *farmesh = NULL;
1218         if(g_settings->getBool("enable_farmesh"))
1219         {
1220                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
1221         }
1222
1223         /*
1224                 A copy of the local inventory
1225         */
1226         Inventory local_inventory(itemdef);
1227
1228         /*
1229                 Find out size of crack animation
1230         */
1231         int crack_animation_length = 5;
1232         {
1233                 video::ITexture *t = tsrc->getTextureRaw("crack_anylength.png");
1234                 v2u32 size = t->getOriginalSize();
1235                 crack_animation_length = size.Y / size.X;
1236         }
1237
1238         /*
1239                 Add some gui stuff
1240         */
1241
1242         // First line of debug text
1243         gui::IGUIStaticText *guitext = guienv->addStaticText(
1244                         L"Minetest",
1245                         core::rect<s32>(5, 5, 795, 5+text_height),
1246                         false, false);
1247         // Second line of debug text
1248         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
1249                         L"",
1250                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
1251                         false, false);
1252         // At the middle of the screen
1253         // Object infos are shown in this
1254         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
1255                         L"",
1256                         core::rect<s32>(0,0,400,text_height*5+5) + v2s32(100,200),
1257                         false, false);
1258
1259         // Status text (displays info when showing and hiding GUI stuff, etc.)
1260         gui::IGUIStaticText *guitext_status = guienv->addStaticText(
1261                         L"<Status>",
1262                         core::rect<s32>(0,0,0,0),
1263                         false, false);
1264         guitext_status->setVisible(false);
1265
1266         std::wstring statustext;
1267         float statustext_time = 0;
1268
1269         // Chat text
1270         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
1271                         L"",
1272                         core::rect<s32>(0,0,0,0),
1273                         //false, false); // Disable word wrap as of now
1274                         false, true);
1275         // Remove stale "recent" chat messages from previous connections
1276         chat_backend.clearRecentChat();
1277         // Chat backend and console
1278         GUIChatConsole *gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(), -1, &chat_backend, &client);
1279
1280         // Profiler text (size is updated when text is updated)
1281         gui::IGUIStaticText *guitext_profiler = guienv->addStaticText(
1282                         L"<Profiler>",
1283                         core::rect<s32>(0,0,0,0),
1284                         false, false);
1285         guitext_profiler->setBackgroundColor(video::SColor(120,0,0,0));
1286         guitext_profiler->setVisible(false);
1287
1288         /*
1289                 Some statistics are collected in these
1290         */
1291         u32 drawtime = 0;
1292         u32 beginscenetime = 0;
1293         u32 scenetime = 0;
1294         u32 endscenetime = 0;
1295
1296         float recent_turn_speed = 0.0;
1297
1298         ProfilerGraph graph;
1299         // Initially clear the profiler
1300         Profiler::GraphValues dummyvalues;
1301         g_profiler->graphGet(dummyvalues);
1302
1303         float nodig_delay_timer = 0.0;
1304         float dig_time = 0.0;
1305         u16 dig_index = 0;
1306         PointedThing pointed_old;
1307         bool digging = false;
1308         bool ldown_for_dig = false;
1309
1310         float damage_flash = 0;
1311         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1312
1313         const float object_hit_delay = 0.2;
1314         float object_hit_delay_timer = 0.0;
1315         float time_from_last_punch = 10;
1316
1317         float update_draw_list_timer = 0.0;
1318         v3f update_draw_list_last_cam_dir;
1319
1320         bool invert_mouse = g_settings->getBool("invert_mouse");
1321
1322         bool respawn_menu_active = false;
1323         bool update_wielded_item_trigger = false;
1324
1325         bool show_hud = true;
1326         bool show_chat = true;
1327         bool force_fog_off = false;
1328         f32 fog_range = 100*BS;
1329         bool disable_camera_update = false;
1330         bool show_debug = g_settings->getBool("show_debug");
1331         bool show_profiler_graph = false;
1332         u32 show_profiler = 0;
1333         u32 show_profiler_max = 3;  // Number of pages
1334
1335         float time_of_day = 0;
1336         float time_of_day_smooth = 0;
1337
1338         /*
1339                 Shader constants
1340         */
1341         shsrc->addGlobalConstantSetter(new GameGlobalShaderConstantSetter(
1342                         sky, &force_fog_off, &fog_range, &client));
1343
1344         /*
1345                 Main loop
1346         */
1347
1348         bool first_loop_after_window_activation = true;
1349
1350         // TODO: Convert the static interval timers to these
1351         // Interval limiter for profiler
1352         IntervalLimiter m_profiler_interval;
1353
1354         // Time is in milliseconds
1355         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1356         // NOTE: So we have to use getTime() and call run()s between them
1357         u32 lasttime = device->getTimer()->getTime();
1358
1359         for(;;)
1360         {
1361                 if(device->run() == false || kill == true)
1362                         break;
1363
1364                 // Time of frame without fps limit
1365                 float busytime;
1366                 u32 busytime_u32;
1367                 {
1368                         // not using getRealTime is necessary for wine
1369                         u32 time = device->getTimer()->getTime();
1370                         if(time > lasttime)
1371                                 busytime_u32 = time - lasttime;
1372                         else
1373                                 busytime_u32 = 0;
1374                         busytime = busytime_u32 / 1000.0;
1375                 }
1376
1377                 g_profiler->graphAdd("mainloop_other", busytime - (float)drawtime/1000.0f);
1378
1379                 // Necessary for device->getTimer()->getTime()
1380                 device->run();
1381
1382                 /*
1383                         FPS limiter
1384                 */
1385
1386                 {
1387                         float fps_max = g_settings->getFloat("fps_max");
1388                         u32 frametime_min = 1000./fps_max;
1389
1390                         if(busytime_u32 < frametime_min)
1391                         {
1392                                 u32 sleeptime = frametime_min - busytime_u32;
1393                                 device->sleep(sleeptime);
1394                                 g_profiler->graphAdd("mainloop_sleep", (float)sleeptime/1000.0f);
1395                         }
1396                 }
1397
1398                 // Necessary for device->getTimer()->getTime()
1399                 device->run();
1400
1401                 /*
1402                         Time difference calculation
1403                 */
1404                 f32 dtime; // in seconds
1405
1406                 u32 time = device->getTimer()->getTime();
1407                 if(time > lasttime)
1408                         dtime = (time - lasttime) / 1000.0;
1409                 else
1410                         dtime = 0;
1411                 lasttime = time;
1412
1413                 g_profiler->graphAdd("mainloop_dtime", dtime);
1414
1415                 /* Run timers */
1416
1417                 if(nodig_delay_timer >= 0)
1418                         nodig_delay_timer -= dtime;
1419                 if(object_hit_delay_timer >= 0)
1420                         object_hit_delay_timer -= dtime;
1421                 time_from_last_punch += dtime;
1422
1423                 g_profiler->add("Elapsed time", dtime);
1424                 g_profiler->avg("FPS", 1./dtime);
1425
1426                 /*
1427                         Time average and jitter calculation
1428                 */
1429
1430                 static f32 dtime_avg1 = 0.0;
1431                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1432                 f32 dtime_jitter1 = dtime - dtime_avg1;
1433
1434                 static f32 dtime_jitter1_max_sample = 0.0;
1435                 static f32 dtime_jitter1_max_fraction = 0.0;
1436                 {
1437                         static f32 jitter1_max = 0.0;
1438                         static f32 counter = 0.0;
1439                         if(dtime_jitter1 > jitter1_max)
1440                                 jitter1_max = dtime_jitter1;
1441                         counter += dtime;
1442                         if(counter > 0.0)
1443                         {
1444                                 counter -= 3.0;
1445                                 dtime_jitter1_max_sample = jitter1_max;
1446                                 dtime_jitter1_max_fraction
1447                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1448                                 jitter1_max = 0.0;
1449                         }
1450                 }
1451
1452                 /*
1453                         Busytime average and jitter calculation
1454                 */
1455
1456                 static f32 busytime_avg1 = 0.0;
1457                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1458                 f32 busytime_jitter1 = busytime - busytime_avg1;
1459
1460                 static f32 busytime_jitter1_max_sample = 0.0;
1461                 static f32 busytime_jitter1_min_sample = 0.0;
1462                 {
1463                         static f32 jitter1_max = 0.0;
1464                         static f32 jitter1_min = 0.0;
1465                         static f32 counter = 0.0;
1466                         if(busytime_jitter1 > jitter1_max)
1467                                 jitter1_max = busytime_jitter1;
1468                         if(busytime_jitter1 < jitter1_min)
1469                                 jitter1_min = busytime_jitter1;
1470                         counter += dtime;
1471                         if(counter > 0.0){
1472                                 counter -= 3.0;
1473                                 busytime_jitter1_max_sample = jitter1_max;
1474                                 busytime_jitter1_min_sample = jitter1_min;
1475                                 jitter1_max = 0.0;
1476                                 jitter1_min = 0.0;
1477                         }
1478                 }
1479
1480                 /*
1481                         Handle miscellaneous stuff
1482                 */
1483
1484                 if(client.accessDenied())
1485                 {
1486                         error_message = L"Access denied. Reason: "
1487                                         +client.accessDeniedReason();
1488                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1489                         break;
1490                 }
1491
1492                 if(g_gamecallback->disconnect_requested)
1493                 {
1494                         g_gamecallback->disconnect_requested = false;
1495                         break;
1496                 }
1497
1498                 if(g_gamecallback->changepassword_requested)
1499                 {
1500                         (new GUIPasswordChange(guienv, guiroot, -1,
1501                                 &g_menumgr, &client))->drop();
1502                         g_gamecallback->changepassword_requested = false;
1503                 }
1504
1505                 /* Process TextureSource's queue */
1506                 tsrc->processQueue();
1507
1508                 /* Process ItemDefManager's queue */
1509                 itemdef->processQueue(gamedef);
1510
1511                 /*
1512                         Process ShaderSource's queue
1513                 */
1514                 shsrc->processQueue();
1515
1516                 /*
1517                         Random calculations
1518                 */
1519                 last_screensize = screensize;
1520                 screensize = driver->getScreenSize();
1521                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1522                 //bool screensize_changed = screensize != last_screensize;
1523
1524                 // Resize hotbar
1525                 if(screensize.Y <= 800)
1526                         hotbar_imagesize = 32;
1527                 else if(screensize.Y <= 1280)
1528                         hotbar_imagesize = 48;
1529                 else
1530                         hotbar_imagesize = 64;
1531
1532                 // Hilight boxes collected during the loop and displayed
1533                 std::vector<aabb3f> hilightboxes;
1534
1535                 // Info text
1536                 std::wstring infotext;
1537
1538                 /*
1539                         Debug info for client
1540                 */
1541                 {
1542                         static float counter = 0.0;
1543                         counter -= dtime;
1544                         if(counter < 0)
1545                         {
1546                                 counter = 30.0;
1547                                 client.printDebugInfo(infostream);
1548                         }
1549                 }
1550
1551                 /*
1552                         Profiler
1553                 */
1554                 float profiler_print_interval =
1555                                 g_settings->getFloat("profiler_print_interval");
1556                 bool print_to_log = true;
1557                 if(profiler_print_interval == 0){
1558                         print_to_log = false;
1559                         profiler_print_interval = 5;
1560                 }
1561                 if(m_profiler_interval.step(dtime, profiler_print_interval))
1562                 {
1563                         if(print_to_log){
1564                                 infostream<<"Profiler:"<<std::endl;
1565                                 g_profiler->print(infostream);
1566                         }
1567
1568                         update_profiler_gui(guitext_profiler, font, text_height,
1569                                         show_profiler, show_profiler_max);
1570
1571                         g_profiler->clear();
1572                 }
1573
1574                 /*
1575                         Direct handling of user input
1576                 */
1577
1578                 // Reset input if window not active or some menu is active
1579                 if(device->isWindowActive() == false
1580                                 || noMenuActive() == false
1581                                 || guienv->hasFocus(gui_chat_console))
1582                 {
1583                         input->clear();
1584                 }
1585
1586                 // Input handler step() (used by the random input generator)
1587                 input->step(dtime);
1588
1589                 /*
1590                         Launch menus and trigger stuff according to keys
1591                 */
1592                 if(input->wasKeyDown(getKeySetting("keymap_drop")))
1593                 {
1594                         // drop selected item
1595                         IDropAction *a = new IDropAction();
1596                         a->count = 0;
1597                         a->from_inv.setCurrentPlayer();
1598                         a->from_list = "main";
1599                         a->from_i = client.getPlayerItem();
1600                         client.inventoryAction(a);
1601                 }
1602                 else if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1603                 {
1604                         infostream<<"the_game: "
1605                                         <<"Launching inventory"<<std::endl;
1606
1607                         GUIFormSpecMenu *menu =
1608                                 new GUIFormSpecMenu(device, guiroot, -1,
1609                                         &g_menumgr,
1610                                         &client, gamedef);
1611
1612                         InventoryLocation inventoryloc;
1613                         inventoryloc.setCurrentPlayer();
1614
1615                         PlayerInventoryFormSource *src = new PlayerInventoryFormSource(&client);
1616                         assert(src);
1617                         menu->setFormSpec(src->getForm(), inventoryloc);
1618                         menu->setFormSource(src);
1619                         menu->setTextDest(new TextDestPlayerInventory(&client));
1620                         menu->drop();
1621                 }
1622                 else if(input->wasKeyDown(EscapeKey))
1623                 {
1624                         infostream<<"the_game: "
1625                                         <<"Launching pause menu"<<std::endl;
1626                         // It will delete itself by itself
1627                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1628                                         &g_menumgr, simple_singleplayer_mode))->drop();
1629
1630                         // Move mouse cursor on top of the disconnect button
1631                         if(simple_singleplayer_mode)
1632                                 input->setMousePos(displaycenter.X, displaycenter.Y+0);
1633                         else
1634                                 input->setMousePos(displaycenter.X, displaycenter.Y+25);
1635                 }
1636                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1637                 {
1638                         TextDest *dest = new TextDestChat(&client);
1639
1640                         (new GUITextInputMenu(guienv, guiroot, -1,
1641                                         &g_menumgr, dest,
1642                                         L""))->drop();
1643                 }
1644                 else if(input->wasKeyDown(getKeySetting("keymap_cmd")))
1645                 {
1646                         TextDest *dest = new TextDestChat(&client);
1647
1648                         (new GUITextInputMenu(guienv, guiroot, -1,
1649                                         &g_menumgr, dest,
1650                                         L"/"))->drop();
1651                 }
1652                 else if(input->wasKeyDown(getKeySetting("keymap_console")))
1653                 {
1654                         if (!gui_chat_console->isOpenInhibited())
1655                         {
1656                                 // Open up to over half of the screen
1657                                 gui_chat_console->openConsole(0.6);
1658                                 guienv->setFocus(gui_chat_console);
1659                         }
1660                 }
1661                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1662                 {
1663                         if(g_settings->getBool("free_move"))
1664                         {
1665                                 g_settings->set("free_move","false");
1666                                 statustext = L"free_move disabled";
1667                                 statustext_time = 0;
1668                         }
1669                         else
1670                         {
1671                                 g_settings->set("free_move","true");
1672                                 statustext = L"free_move enabled";
1673                                 statustext_time = 0;
1674                                 if(!client.checkPrivilege("fly"))
1675                                         statustext += L" (note: no 'fly' privilege)";
1676                         }
1677                 }
1678                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1679                 {
1680                         if(g_settings->getBool("fast_move"))
1681                         {
1682                                 g_settings->set("fast_move","false");
1683                                 statustext = L"fast_move disabled";
1684                                 statustext_time = 0;
1685                         }
1686                         else
1687                         {
1688                                 g_settings->set("fast_move","true");
1689                                 statustext = L"fast_move enabled";
1690                                 statustext_time = 0;
1691                                 if(!client.checkPrivilege("fast"))
1692                                         statustext += L" (note: no 'fast' privilege)";
1693                         }
1694                 }
1695                 else if(input->wasKeyDown(getKeySetting("keymap_noclip")))
1696                 {
1697                         if(g_settings->getBool("noclip"))
1698                         {
1699                                 g_settings->set("noclip","false");
1700                                 statustext = L"noclip disabled";
1701                                 statustext_time = 0;
1702                         }
1703                         else
1704                         {
1705                                 g_settings->set("noclip","true");
1706                                 statustext = L"noclip enabled";
1707                                 statustext_time = 0;
1708                                 if(!client.checkPrivilege("noclip"))
1709                                         statustext += L" (note: no 'noclip' privilege)";
1710                         }
1711                 }
1712                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1713                 {
1714                         irr::video::IImage* const image = driver->createScreenShot();
1715                         if (image) {
1716                                 irr::c8 filename[256];
1717                                 snprintf(filename, 256, "%s" DIR_DELIM "screenshot_%u.png",
1718                                                  g_settings->get("screenshot_path").c_str(),
1719                                                  device->getTimer()->getRealTime());
1720                                 if (driver->writeImageToFile(image, filename)) {
1721                                         std::wstringstream sstr;
1722                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1723                                         infostream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1724                                         statustext = sstr.str();
1725                                         statustext_time = 0;
1726                                 } else{
1727                                         infostream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1728                                 }
1729                                 image->drop();
1730                         }
1731                 }
1732                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_hud")))
1733                 {
1734                         show_hud = !show_hud;
1735                         if(show_hud)
1736                                 statustext = L"HUD shown";
1737                         else
1738                                 statustext = L"HUD hidden";
1739                         statustext_time = 0;
1740                 }
1741                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_chat")))
1742                 {
1743                         show_chat = !show_chat;
1744                         if(show_chat)
1745                                 statustext = L"Chat shown";
1746                         else
1747                                 statustext = L"Chat hidden";
1748                         statustext_time = 0;
1749                 }
1750                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_force_fog_off")))
1751                 {
1752                         force_fog_off = !force_fog_off;
1753                         if(force_fog_off)
1754                                 statustext = L"Fog disabled";
1755                         else
1756                                 statustext = L"Fog enabled";
1757                         statustext_time = 0;
1758                 }
1759                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_update_camera")))
1760                 {
1761                         disable_camera_update = !disable_camera_update;
1762                         if(disable_camera_update)
1763                                 statustext = L"Camera update disabled";
1764                         else
1765                                 statustext = L"Camera update enabled";
1766                         statustext_time = 0;
1767                 }
1768                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_debug")))
1769                 {
1770                         // Initial / 3x toggle: Chat only
1771                         // 1x toggle: Debug text with chat
1772                         // 2x toggle: Debug text with profiler graph
1773                         if(!show_debug)
1774                         {
1775                                 show_debug = true;
1776                                 show_profiler_graph = false;
1777                                 statustext = L"Debug info shown";
1778                                 statustext_time = 0;
1779                         }
1780                         else if(show_profiler_graph)
1781                         {
1782                                 show_debug = false;
1783                                 show_profiler_graph = false;
1784                                 statustext = L"Debug info and profiler graph hidden";
1785                                 statustext_time = 0;
1786                         }
1787                         else
1788                         {
1789                                 show_profiler_graph = true;
1790                                 statustext = L"Profiler graph shown";
1791                                 statustext_time = 0;
1792                         }
1793                 }
1794                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_profiler")))
1795                 {
1796                         show_profiler = (show_profiler + 1) % (show_profiler_max + 1);
1797
1798                         // FIXME: This updates the profiler with incomplete values
1799                         update_profiler_gui(guitext_profiler, font, text_height,
1800                                         show_profiler, show_profiler_max);
1801
1802                         if(show_profiler != 0)
1803                         {
1804                                 std::wstringstream sstr;
1805                                 sstr<<"Profiler shown (page "<<show_profiler
1806                                         <<" of "<<show_profiler_max<<")";
1807                                 statustext = sstr.str();
1808                                 statustext_time = 0;
1809                         }
1810                         else
1811                         {
1812                                 statustext = L"Profiler hidden";
1813                                 statustext_time = 0;
1814                         }
1815                 }
1816                 else if(input->wasKeyDown(getKeySetting("keymap_increase_viewing_range_min")))
1817                 {
1818                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1819                         s16 range_new = range + 10;
1820                         g_settings->set("viewing_range_nodes_min", itos(range_new));
1821                         statustext = narrow_to_wide(
1822                                         "Minimum viewing range changed to "
1823                                         + itos(range_new));
1824                         statustext_time = 0;
1825                 }
1826                 else if(input->wasKeyDown(getKeySetting("keymap_decrease_viewing_range_min")))
1827                 {
1828                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1829                         s16 range_new = range - 10;
1830                         if(range_new < 0)
1831                                 range_new = range;
1832                         g_settings->set("viewing_range_nodes_min",
1833                                         itos(range_new));
1834                         statustext = narrow_to_wide(
1835                                         "Minimum viewing range changed to "
1836                                         + itos(range_new));
1837                         statustext_time = 0;
1838                 }
1839
1840                 // Handle QuicktuneShortcutter
1841                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_next")))
1842                         quicktune.next();
1843                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_prev")))
1844                         quicktune.prev();
1845                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_inc")))
1846                         quicktune.inc();
1847                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_dec")))
1848                         quicktune.dec();
1849                 {
1850                         std::string msg = quicktune.getMessage();
1851                         if(msg != ""){
1852                                 statustext = narrow_to_wide(msg);
1853                                 statustext_time = 0;
1854                         }
1855                 }
1856
1857                 // Item selection with mouse wheel
1858                 u16 new_playeritem = client.getPlayerItem();
1859                 {
1860                         s32 wheel = input->getMouseWheel();
1861                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1862                                         hotbar_itemcount-1);
1863
1864                         if(wheel < 0)
1865                         {
1866                                 if(new_playeritem < max_item)
1867                                         new_playeritem++;
1868                                 else
1869                                         new_playeritem = 0;
1870                         }
1871                         else if(wheel > 0)
1872                         {
1873                                 if(new_playeritem > 0)
1874                                         new_playeritem--;
1875                                 else
1876                                         new_playeritem = max_item;
1877                         }
1878                 }
1879
1880                 // Item selection
1881                 for(u16 i=0; i<10; i++)
1882                 {
1883                         const KeyPress *kp = NumberKey + (i + 1) % 10;
1884                         if(input->wasKeyDown(*kp))
1885                         {
1886                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1887                                 {
1888                                         new_playeritem = i;
1889
1890                                         infostream<<"Selected item: "
1891                                                         <<new_playeritem<<std::endl;
1892                                 }
1893                         }
1894                 }
1895
1896                 // Viewing range selection
1897                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1898                 {
1899                         draw_control.range_all = !draw_control.range_all;
1900                         if(draw_control.range_all)
1901                         {
1902                                 infostream<<"Enabled full viewing range"<<std::endl;
1903                                 statustext = L"Enabled full viewing range";
1904                                 statustext_time = 0;
1905                         }
1906                         else
1907                         {
1908                                 infostream<<"Disabled full viewing range"<<std::endl;
1909                                 statustext = L"Disabled full viewing range";
1910                                 statustext_time = 0;
1911                         }
1912                 }
1913
1914                 // Print debug stacks
1915                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1916                 {
1917                         dstream<<"-----------------------------------------"
1918                                         <<std::endl;
1919                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1920                         dstream<<"-----------------------------------------"
1921                                         <<std::endl;
1922                         debug_stacks_print();
1923                 }
1924
1925                 /*
1926                         Mouse and camera control
1927                         NOTE: Do this before client.setPlayerControl() to not cause a camera lag of one frame
1928                 */
1929
1930                 float turn_amount = 0;
1931                 if((device->isWindowActive() && noMenuActive()) || random_input)
1932                 {
1933                         if(!random_input)
1934                         {
1935                                 // Mac OSX gets upset if this is set every frame
1936                                 if(device->getCursorControl()->isVisible())
1937                                         device->getCursorControl()->setVisible(false);
1938                         }
1939
1940                         if(first_loop_after_window_activation){
1941                                 //infostream<<"window active, first loop"<<std::endl;
1942                                 first_loop_after_window_activation = false;
1943                         }
1944                         else{
1945                                 s32 dx = input->getMousePos().X - displaycenter.X;
1946                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1947                                 if(invert_mouse)
1948                                         dy = -dy;
1949                                 //infostream<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1950
1951                                 /*const float keyspeed = 500;
1952                                 if(input->isKeyDown(irr::KEY_UP))
1953                                         dy -= dtime * keyspeed;
1954                                 if(input->isKeyDown(irr::KEY_DOWN))
1955                                         dy += dtime * keyspeed;
1956                                 if(input->isKeyDown(irr::KEY_LEFT))
1957                                         dx -= dtime * keyspeed;
1958                                 if(input->isKeyDown(irr::KEY_RIGHT))
1959                                         dx += dtime * keyspeed;*/
1960
1961                                 float d = 0.2;
1962                                 camera_yaw -= dx*d;
1963                                 camera_pitch += dy*d;
1964                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1965                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1966
1967                                 turn_amount = v2f(dx, dy).getLength() * d;
1968                         }
1969                         input->setMousePos(displaycenter.X, displaycenter.Y);
1970                 }
1971                 else{
1972                         // Mac OSX gets upset if this is set every frame
1973                         if(device->getCursorControl()->isVisible() == false)
1974                                 device->getCursorControl()->setVisible(true);
1975
1976                         //infostream<<"window inactive"<<std::endl;
1977                         first_loop_after_window_activation = true;
1978                 }
1979                 recent_turn_speed = recent_turn_speed * 0.9 + turn_amount * 0.1;
1980                 //std::cerr<<"recent_turn_speed = "<<recent_turn_speed<<std::endl;
1981
1982                 /*
1983                         Player speed control
1984                 */
1985                 {
1986                         /*bool a_up,
1987                         bool a_down,
1988                         bool a_left,
1989                         bool a_right,
1990                         bool a_jump,
1991                         bool a_superspeed,
1992                         bool a_sneak,
1993                         bool a_LMB,
1994                         bool a_RMB,
1995                         float a_pitch,
1996                         float a_yaw*/
1997                         PlayerControl control(
1998                                 input->isKeyDown(getKeySetting("keymap_forward")),
1999                                 input->isKeyDown(getKeySetting("keymap_backward")),
2000                                 input->isKeyDown(getKeySetting("keymap_left")),
2001                                 input->isKeyDown(getKeySetting("keymap_right")),
2002                                 input->isKeyDown(getKeySetting("keymap_jump")),
2003                                 input->isKeyDown(getKeySetting("keymap_special1")),
2004                                 input->isKeyDown(getKeySetting("keymap_sneak")),
2005                                 input->getLeftState(),
2006                                 input->getRightState(),
2007                                 camera_pitch,
2008                                 camera_yaw
2009                         );
2010                         client.setPlayerControl(control);
2011                         u32 keyPressed=
2012                         1*(int)input->isKeyDown(getKeySetting("keymap_forward"))+
2013                         2*(int)input->isKeyDown(getKeySetting("keymap_backward"))+
2014                         4*(int)input->isKeyDown(getKeySetting("keymap_left"))+
2015                         8*(int)input->isKeyDown(getKeySetting("keymap_right"))+
2016                         16*(int)input->isKeyDown(getKeySetting("keymap_jump"))+
2017                         32*(int)input->isKeyDown(getKeySetting("keymap_special1"))+
2018                         64*(int)input->isKeyDown(getKeySetting("keymap_sneak"))+
2019                         128*(int)input->getLeftState()+
2020                         256*(int)input->getRightState();
2021                         LocalPlayer* player = client.getEnv().getLocalPlayer();
2022                         player->keyPressed=keyPressed;
2023                 }
2024
2025                 /*
2026                         Run server
2027                 */
2028
2029                 if(server != NULL)
2030                 {
2031                         //TimeTaker timer("server->step(dtime)");
2032                         server->step(dtime);
2033                 }
2034
2035                 /*
2036                         Process environment
2037                 */
2038
2039                 {
2040                         //TimeTaker timer("client.step(dtime)");
2041                         client.step(dtime);
2042                         //client.step(dtime_avg1);
2043                 }
2044
2045                 {
2046                         // Read client events
2047                         for(;;)
2048                         {
2049                                 ClientEvent event = client.getClientEvent();
2050                                 if(event.type == CE_NONE)
2051                                 {
2052                                         break;
2053                                 }
2054                                 else if(event.type == CE_PLAYER_DAMAGE)
2055                                 {
2056                                         //u16 damage = event.player_damage.amount;
2057                                         //infostream<<"Player damage: "<<damage<<std::endl;
2058                                         damage_flash += 100.0;
2059                                         damage_flash += 8.0 * event.player_damage.amount;
2060                                 }
2061                                 else if(event.type == CE_PLAYER_FORCE_MOVE)
2062                                 {
2063                                         camera_yaw = event.player_force_move.yaw;
2064                                         camera_pitch = event.player_force_move.pitch;
2065                                 }
2066                                 else if(event.type == CE_DEATHSCREEN)
2067                                 {
2068                                         if(respawn_menu_active)
2069                                                 continue;
2070
2071                                         /*bool set_camera_point_target =
2072                                                         event.deathscreen.set_camera_point_target;
2073                                         v3f camera_point_target;
2074                                         camera_point_target.X = event.deathscreen.camera_point_target_x;
2075                                         camera_point_target.Y = event.deathscreen.camera_point_target_y;
2076                                         camera_point_target.Z = event.deathscreen.camera_point_target_z;*/
2077                                         MainRespawnInitiator *respawner =
2078                                                         new MainRespawnInitiator(
2079                                                                         &respawn_menu_active, &client);
2080                                         GUIDeathScreen *menu =
2081                                                         new GUIDeathScreen(guienv, guiroot, -1,
2082                                                                 &g_menumgr, respawner);
2083                                         menu->drop();
2084
2085                                         chat_backend.addMessage(L"", L"You died.");
2086
2087                                         /* Handle visualization */
2088
2089                                         damage_flash = 0;
2090
2091                                         /*LocalPlayer* player = client.getLocalPlayer();
2092                                         player->setPosition(player->getPosition() + v3f(0,-BS,0));
2093                                         camera.update(player, busytime, screensize);*/
2094                                 }
2095                                 else if (event.type == CE_SHOW_FORMSPEC)
2096                                 {
2097                                         if (current_formspec == 0)
2098                                         {
2099                                                 /* Create menu */
2100                                                 current_formspec = new FormspecFormSource(*(event.show_formspec.formspec),&current_formspec);
2101
2102                                                 GUIFormSpecMenu *menu =
2103                                                                 new GUIFormSpecMenu(device, guiroot, -1,
2104                                                                                 &g_menumgr,
2105                                                                                 &client, gamedef);
2106                                                 menu->setFormSource(current_formspec);
2107                                                 menu->drop();
2108                                         }
2109                                         else
2110                                         {
2111                                                 /* update menu */
2112                                                 current_formspec->setForm(*(event.show_formspec.formspec));
2113                                         }
2114                                         delete(event.show_formspec.formspec);
2115                                 }
2116                                 else if(event.type == CE_TEXTURES_UPDATED)
2117                                 {
2118                                         update_wielded_item_trigger = true;
2119                                 }
2120                         }
2121                 }
2122
2123                 //TimeTaker //timer2("//timer2");
2124
2125                 /*
2126                         For interaction purposes, get info about the held item
2127                         - What item is it?
2128                         - Is it a usable item?
2129                         - Can it point to liquids?
2130                 */
2131                 ItemStack playeritem;
2132                 bool playeritem_usable = false;
2133                 bool playeritem_liquids_pointable = false;
2134                 {
2135                         InventoryList *mlist = local_inventory.getList("main");
2136                         if(mlist != NULL)
2137                         {
2138                                 playeritem = mlist->getItem(client.getPlayerItem());
2139                                 playeritem_usable = playeritem.getDefinition(itemdef).usable;
2140                                 playeritem_liquids_pointable = playeritem.getDefinition(itemdef).liquids_pointable;
2141                         }
2142                 }
2143                 ToolCapabilities playeritem_toolcap =
2144                                 playeritem.getToolCapabilities(itemdef);
2145
2146                 /*
2147                         Update camera
2148                 */
2149
2150                 LocalPlayer* player = client.getEnv().getLocalPlayer();
2151                 float full_punch_interval = playeritem_toolcap.full_punch_interval;
2152                 float tool_reload_ratio = time_from_last_punch / full_punch_interval;
2153                 tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
2154                 camera.update(player, busytime, screensize, tool_reload_ratio);
2155                 camera.step(dtime);
2156
2157                 v3f player_position = player->getPosition();
2158                 v3f camera_position = camera.getPosition();
2159                 v3f camera_direction = camera.getDirection();
2160                 f32 camera_fov = camera.getFovMax();
2161
2162                 if(!disable_camera_update){
2163                         client.getEnv().getClientMap().updateCamera(camera_position,
2164                                 camera_direction, camera_fov);
2165                 }
2166
2167                 // Update sound listener
2168                 sound->updateListener(camera.getCameraNode()->getPosition(),
2169                                 v3f(0,0,0), // velocity
2170                                 camera.getDirection(),
2171                                 camera.getCameraNode()->getUpVector());
2172                 sound->setListenerGain(g_settings->getFloat("sound_volume"));
2173
2174                 /*
2175                         Update sound maker
2176                 */
2177                 {
2178                         soundmaker.step(dtime);
2179
2180                         ClientMap &map = client.getEnv().getClientMap();
2181                         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
2182                         soundmaker.m_player_step_sound = nodedef->get(n).sound_footstep;
2183                 }
2184
2185                 /*
2186                         Calculate what block is the crosshair pointing to
2187                 */
2188
2189                 //u32 t1 = device->getTimer()->getRealTime();
2190
2191                 f32 d = 4; // max. distance
2192                 core::line3d<f32> shootline(camera_position,
2193                                 camera_position + camera_direction * BS * (d+1));
2194
2195                 ClientActiveObject *selected_object = NULL;
2196
2197                 PointedThing pointed = getPointedThing(
2198                                 // input
2199                                 &client, player_position, camera_direction,
2200                                 camera_position, shootline, d,
2201                                 playeritem_liquids_pointable, !ldown_for_dig,
2202                                 // output
2203                                 hilightboxes,
2204                                 selected_object);
2205
2206                 if(pointed != pointed_old)
2207                 {
2208                         infostream<<"Pointing at "<<pointed.dump()<<std::endl;
2209                         //dstream<<"Pointing at "<<pointed.dump()<<std::endl;
2210                 }
2211
2212                 /*
2213                         Stop digging when
2214                         - releasing left mouse button
2215                         - pointing away from node
2216                 */
2217                 if(digging)
2218                 {
2219                         if(input->getLeftReleased())
2220                         {
2221                                 infostream<<"Left button released"
2222                                         <<" (stopped digging)"<<std::endl;
2223                                 digging = false;
2224                         }
2225                         else if(pointed != pointed_old)
2226                         {
2227                                 if (pointed.type == POINTEDTHING_NODE
2228                                         && pointed_old.type == POINTEDTHING_NODE
2229                                         && pointed.node_undersurface == pointed_old.node_undersurface)
2230                                 {
2231                                         // Still pointing to the same node,
2232                                         // but a different face. Don't reset.
2233                                 }
2234                                 else
2235                                 {
2236                                         infostream<<"Pointing away from node"
2237                                                 <<" (stopped digging)"<<std::endl;
2238                                         digging = false;
2239                                 }
2240                         }
2241                         if(!digging)
2242                         {
2243                                 client.interact(1, pointed_old);
2244                                 client.setCrack(-1, v3s16(0,0,0));
2245                                 dig_time = 0.0;
2246                         }
2247                 }
2248                 if(!digging && ldown_for_dig && !input->getLeftState())
2249                 {
2250                         ldown_for_dig = false;
2251                 }
2252
2253                 bool left_punch = false;
2254                 soundmaker.m_player_leftpunch_sound.name = "";
2255
2256                 if(playeritem_usable && input->getLeftState())
2257                 {
2258                         if(input->getLeftClicked())
2259                                 client.interact(4, pointed);
2260                 }
2261                 else if(pointed.type == POINTEDTHING_NODE)
2262                 {
2263                         v3s16 nodepos = pointed.node_undersurface;
2264                         v3s16 neighbourpos = pointed.node_abovesurface;
2265
2266                         /*
2267                                 Check information text of node
2268                         */
2269
2270                         ClientMap &map = client.getEnv().getClientMap();
2271                         NodeMetadata *meta = map.getNodeMetadata(nodepos);
2272                         if(meta){
2273                                 infotext = narrow_to_wide(meta->getString("infotext"));
2274                         } else {
2275                                 MapNode n = map.getNode(nodepos);
2276                                 if(nodedef->get(n).tiledef[0].name == "unknown_block.png"){
2277                                         infotext = L"Unknown node: ";
2278                                         infotext += narrow_to_wide(nodedef->get(n).name);
2279                                 }
2280                         }
2281
2282                         // We can't actually know, but assume the sound of right-clicking
2283                         // to be the sound of placing a node
2284                         soundmaker.m_player_rightpunch_sound.gain = 0.5;
2285                         soundmaker.m_player_rightpunch_sound.name = "default_place_node";
2286
2287                         /*
2288                                 Handle digging
2289                         */
2290
2291                         if(nodig_delay_timer <= 0.0 && input->getLeftState())
2292                         {
2293                                 if(!digging)
2294                                 {
2295                                         infostream<<"Started digging"<<std::endl;
2296                                         client.interact(0, pointed);
2297                                         digging = true;
2298                                         ldown_for_dig = true;
2299                                 }
2300                                 MapNode n = client.getEnv().getClientMap().getNode(nodepos);
2301
2302                                 // NOTE: Similar piece of code exists on the server side for
2303                                 // cheat detection.
2304                                 // Get digging parameters
2305                                 DigParams params = getDigParams(nodedef->get(n).groups,
2306                                                 &playeritem_toolcap);
2307                                 // If can't dig, try hand
2308                                 if(!params.diggable){
2309                                         const ItemDefinition &hand = itemdef->get("");
2310                                         const ToolCapabilities *tp = hand.tool_capabilities;
2311                                         if(tp)
2312                                                 params = getDigParams(nodedef->get(n).groups, tp);
2313                                 }
2314
2315                                 SimpleSoundSpec sound_dig = nodedef->get(n).sound_dig;
2316                                 if(sound_dig.exists()){
2317                                         if(sound_dig.name == "__group"){
2318                                                 if(params.main_group != ""){
2319                                                         soundmaker.m_player_leftpunch_sound.gain = 0.5;
2320                                                         soundmaker.m_player_leftpunch_sound.name =
2321                                                                         std::string("default_dig_") +
2322                                                                                         params.main_group;
2323                                                 }
2324                                         } else{
2325                                                 soundmaker.m_player_leftpunch_sound = sound_dig;
2326                                         }
2327                                 }
2328
2329                                 float dig_time_complete = 0.0;
2330
2331                                 if(params.diggable == false)
2332                                 {
2333                                         // I guess nobody will wait for this long
2334                                         dig_time_complete = 10000000.0;
2335                                 }
2336                                 else
2337                                 {
2338                                         dig_time_complete = params.time;
2339                                 }
2340
2341                                 if(dig_time_complete >= 0.001)
2342                                 {
2343                                         dig_index = (u16)((float)crack_animation_length
2344                                                         * dig_time/dig_time_complete);
2345                                 }
2346                                 // This is for torches
2347                                 else
2348                                 {
2349                                         dig_index = crack_animation_length;
2350                                 }
2351
2352                                 // Don't show cracks if not diggable
2353                                 if(dig_time_complete >= 100000.0)
2354                                 {
2355                                 }
2356                                 else if(dig_index < crack_animation_length)
2357                                 {
2358                                         //TimeTaker timer("client.setTempMod");
2359                                         //infostream<<"dig_index="<<dig_index<<std::endl;
2360                                         client.setCrack(dig_index, nodepos);
2361                                 }
2362                                 else
2363                                 {
2364                                         infostream<<"Digging completed"<<std::endl;
2365                                         client.interact(2, pointed);
2366                                         client.setCrack(-1, v3s16(0,0,0));
2367                                         MapNode wasnode = map.getNode(nodepos);
2368                                         client.removeNode(nodepos);
2369
2370                                         dig_time = 0;
2371                                         digging = false;
2372
2373                                         nodig_delay_timer = dig_time_complete
2374                                                         / (float)crack_animation_length;
2375
2376                                         // We don't want a corresponding delay to
2377                                         // very time consuming nodes
2378                                         if(nodig_delay_timer > 0.3)
2379                                                 nodig_delay_timer = 0.3;
2380                                         // We want a slight delay to very little
2381                                         // time consuming nodes
2382                                         float mindelay = 0.15;
2383                                         if(nodig_delay_timer < mindelay)
2384                                                 nodig_delay_timer = mindelay;
2385
2386                                         // Send event to trigger sound
2387                                         MtEvent *e = new NodeDugEvent(nodepos, wasnode);
2388                                         gamedef->event()->put(e);
2389                                 }
2390
2391                                 dig_time += dtime;
2392
2393                                 camera.setDigging(0);  // left click animation
2394                         }
2395
2396                         if(input->getRightClicked())
2397                         {
2398                                 infostream<<"Ground right-clicked"<<std::endl;
2399
2400                                 // Sign special case, at least until formspec is properly implemented.
2401                                 // Deprecated?
2402                                 if(meta && meta->getString("formspec") == "hack:sign_text_input" && !random_input)
2403                                 {
2404                                         infostream<<"Launching metadata text input"<<std::endl;
2405
2406                                         // Get a new text for it
2407
2408                                         TextDest *dest = new TextDestNodeMetadata(nodepos, &client);
2409
2410                                         std::wstring wtext = narrow_to_wide(meta->getString("text"));
2411
2412                                         (new GUITextInputMenu(guienv, guiroot, -1,
2413                                                         &g_menumgr, dest,
2414                                                         wtext))->drop();
2415                                 }
2416                                 // If metadata provides an inventory view, activate it
2417                                 else if(meta && meta->getString("formspec") != "" && !random_input)
2418                                 {
2419                                         infostream<<"Launching custom inventory view"<<std::endl;
2420
2421                                         InventoryLocation inventoryloc;
2422                                         inventoryloc.setNodeMeta(nodepos);
2423
2424                                         /* Create menu */
2425
2426                                         GUIFormSpecMenu *menu =
2427                                                 new GUIFormSpecMenu(device, guiroot, -1,
2428                                                         &g_menumgr,
2429                                                         &client, gamedef);
2430                                         menu->setFormSpec(meta->getString("formspec"),
2431                                                         inventoryloc);
2432                                         menu->setFormSource(new NodeMetadataFormSource(
2433                                                         &client.getEnv().getClientMap(), nodepos));
2434                                         menu->setTextDest(new TextDestNodeMetadata(nodepos, &client));
2435                                         menu->drop();
2436                                 }
2437                                 // Otherwise report right click to server
2438                                 else
2439                                 {
2440                                         // Report to server
2441                                         client.interact(3, pointed);
2442                                         camera.setDigging(1);  // right click animation
2443
2444                                         // If the wielded item has node placement prediction,
2445                                         // make that happen
2446                                         const ItemDefinition &def =
2447                                                         playeritem.getDefinition(itemdef);
2448                                         if(def.node_placement_prediction != "")
2449                                         do{ // breakable
2450                                                 verbosestream<<"Node placement prediction for "
2451                                                                 <<playeritem.name<<" is "
2452                                                                 <<def.node_placement_prediction<<std::endl;
2453                                                 v3s16 p = neighbourpos;
2454                                                 // Place inside node itself if buildable_to
2455                                                 try{
2456                                                         MapNode n_under = map.getNode(nodepos);
2457                                                         if(nodedef->get(n_under).buildable_to)
2458                                                                 p = nodepos;
2459                                                 }catch(InvalidPositionException &e){}
2460                                                 // Find id of predicted node
2461                                                 content_t id;
2462                                                 bool found =
2463                                                         nodedef->getId(def.node_placement_prediction, id);
2464                                                 if(!found){
2465                                                         errorstream<<"Node placement prediction failed for "
2466                                                                         <<playeritem.name<<" (places "
2467                                                                         <<def.node_placement_prediction
2468                                                                         <<") - Name not known"<<std::endl;
2469                                                         break;
2470                                                 }
2471                                                 MapNode n(id);
2472                                                 try{
2473                                                         // This triggers the required mesh update too
2474                                                         client.addNode(p, n);
2475                                                 }catch(InvalidPositionException &e){
2476                                                         errorstream<<"Node placement prediction failed for "
2477                                                                         <<playeritem.name<<" (places "
2478                                                                         <<def.node_placement_prediction
2479                                                                         <<") - Position not loaded"<<std::endl;
2480                                                 }
2481                                         }while(0);
2482                                 }
2483                         }
2484                 }
2485                 else if(pointed.type == POINTEDTHING_OBJECT)
2486                 {
2487                         infotext = narrow_to_wide(selected_object->infoText());
2488
2489                         if(infotext == L"" && show_debug){
2490                                 infotext = narrow_to_wide(selected_object->debugInfoText());
2491                         }
2492
2493                         //if(input->getLeftClicked())
2494                         if(input->getLeftState())
2495                         {
2496                                 bool do_punch = false;
2497                                 bool do_punch_damage = false;
2498                                 if(object_hit_delay_timer <= 0.0){
2499                                         do_punch = true;
2500                                         do_punch_damage = true;
2501                                         object_hit_delay_timer = object_hit_delay;
2502                                 }
2503                                 if(input->getLeftClicked()){
2504                                         do_punch = true;
2505                                 }
2506                                 if(do_punch){
2507                                         infostream<<"Left-clicked object"<<std::endl;
2508                                         left_punch = true;
2509                                 }
2510                                 if(do_punch_damage){
2511                                         // Report direct punch
2512                                         v3f objpos = selected_object->getPosition();
2513                                         v3f dir = (objpos - player_position).normalize();
2514
2515                                         bool disable_send = selected_object->directReportPunch(
2516                                                         dir, &playeritem, time_from_last_punch);
2517                                         time_from_last_punch = 0;
2518                                         if(!disable_send)
2519                                                 client.interact(0, pointed);
2520                                 }
2521                         }
2522                         else if(input->getRightClicked())
2523                         {
2524                                 infostream<<"Right-clicked object"<<std::endl;
2525                                 client.interact(3, pointed);  // place
2526                         }
2527                 }
2528                 else if(input->getLeftState())
2529                 {
2530                         // When button is held down in air, show continuous animation
2531                         left_punch = true;
2532                 }
2533
2534                 pointed_old = pointed;
2535
2536                 if(left_punch || input->getLeftClicked())
2537                 {
2538                         camera.setDigging(0); // left click animation
2539                 }
2540
2541                 input->resetLeftClicked();
2542                 input->resetRightClicked();
2543
2544                 input->resetLeftReleased();
2545                 input->resetRightReleased();
2546
2547                 /*
2548                         Calculate stuff for drawing
2549                 */
2550
2551                 /*
2552                         Fog range
2553                 */
2554
2555                 if(farmesh)
2556                 {
2557                         fog_range = BS*farmesh_range;
2558                 }
2559                 else
2560                 {
2561                         fog_range = draw_control.wanted_range*BS + 0.0*MAP_BLOCKSIZE*BS;
2562                         fog_range *= 0.9;
2563                         if(draw_control.range_all)
2564                                 fog_range = 100000*BS;
2565                 }
2566
2567                 /*
2568                         Calculate general brightness
2569                 */
2570                 u32 daynight_ratio = client.getEnv().getDayNightRatio();
2571                 float time_brightness = decode_light_f((float)daynight_ratio/1000.0);
2572                 float direct_brightness = 0;
2573                 bool sunlight_seen = false;
2574                 if(g_settings->getBool("free_move")){
2575                         direct_brightness = time_brightness;
2576                         sunlight_seen = true;
2577                 } else {
2578                         ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
2579                         float old_brightness = sky->getBrightness();
2580                         direct_brightness = (float)client.getEnv().getClientMap()
2581                                         .getBackgroundBrightness(MYMIN(fog_range*1.2, 60*BS),
2582                                         daynight_ratio, (int)(old_brightness*255.5), &sunlight_seen)
2583                                         / 255.0;
2584                 }
2585
2586                 time_of_day = client.getEnv().getTimeOfDayF();
2587                 float maxsm = 0.05;
2588                 if(fabs(time_of_day - time_of_day_smooth) > maxsm &&
2589                                 fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
2590                                 fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
2591                         time_of_day_smooth = time_of_day;
2592                 float todsm = 0.05;
2593                 if(time_of_day_smooth > 0.8 && time_of_day < 0.2)
2594                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2595                                         + (time_of_day+1.0) * todsm;
2596                 else
2597                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2598                                         + time_of_day * todsm;
2599
2600                 sky->update(time_of_day_smooth, time_brightness, direct_brightness,
2601                                 sunlight_seen);
2602
2603                 float brightness = sky->getBrightness();
2604                 video::SColor bgcolor = sky->getBgColor();
2605                 video::SColor skycolor = sky->getSkyColor();
2606
2607                 /*
2608                         Update clouds
2609                 */
2610                 if(clouds){
2611                         if(sky->getCloudsVisible()){
2612                                 clouds->setVisible(true);
2613                                 clouds->step(dtime);
2614                                 clouds->update(v2f(player_position.X, player_position.Z),
2615                                                 sky->getCloudColor());
2616                         } else{
2617                                 clouds->setVisible(false);
2618                         }
2619                 }
2620
2621                 /*
2622                         Update farmesh
2623                 */
2624                 if(farmesh)
2625                 {
2626                         farmesh_range = draw_control.wanted_range * 10;
2627                         if(draw_control.range_all && farmesh_range < 500)
2628                                 farmesh_range = 500;
2629                         if(farmesh_range > 1000)
2630                                 farmesh_range = 1000;
2631
2632                         farmesh->step(dtime);
2633                         farmesh->update(v2f(player_position.X, player_position.Z),
2634                                         brightness, farmesh_range);
2635                 }
2636
2637                 /*
2638                         Fog
2639                 */
2640
2641                 if(g_settings->getBool("enable_fog") == true && !force_fog_off)
2642                 {
2643                         driver->setFog(
2644                                 bgcolor,
2645                                 video::EFT_FOG_LINEAR,
2646                                 fog_range*0.4,
2647                                 fog_range*1.0,
2648                                 0.01,
2649                                 false, // pixel fog
2650                                 false // range fog
2651                         );
2652                 }
2653                 else
2654                 {
2655                         driver->setFog(
2656                                 bgcolor,
2657                                 video::EFT_FOG_LINEAR,
2658                                 100000*BS,
2659                                 110000*BS,
2660                                 0.01,
2661                                 false, // pixel fog
2662                                 false // range fog
2663                         );
2664                 }
2665
2666                 /*
2667                         Update gui stuff (0ms)
2668                 */
2669
2670                 //TimeTaker guiupdatetimer("Gui updating");
2671
2672                 const char program_name_and_version[] =
2673                         "Minetest " VERSION_STRING;
2674
2675                 if(show_debug)
2676                 {
2677                         static float drawtime_avg = 0;
2678                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2679                         /*static float beginscenetime_avg = 0;
2680                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2681                         static float scenetime_avg = 0;
2682                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2683                         static float endscenetime_avg = 0;
2684                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;*/
2685
2686                         char temptext[300];
2687                         snprintf(temptext, 300, "%s ("
2688                                         "R: range_all=%i"
2689                                         ")"
2690                                         " drawtime=%.0f, dtime_jitter = % .1f %%"
2691                                         ", v_range = %.1f, RTT = %.3f",
2692                                         program_name_and_version,
2693                                         draw_control.range_all,
2694                                         drawtime_avg,
2695                                         dtime_jitter1_max_fraction * 100.0,
2696                                         draw_control.wanted_range,
2697                                         client.getRTT()
2698                                         );
2699
2700                         guitext->setText(narrow_to_wide(temptext).c_str());
2701                         guitext->setVisible(true);
2702                 }
2703                 else if(show_hud || show_chat)
2704                 {
2705                         guitext->setText(narrow_to_wide(program_name_and_version).c_str());
2706                         guitext->setVisible(true);
2707                 }
2708                 else
2709                 {
2710                         guitext->setVisible(false);
2711                 }
2712
2713                 if(show_debug)
2714                 {
2715                         char temptext[300];
2716                         snprintf(temptext, 300,
2717                                         "(% .1f, % .1f, % .1f)"
2718                                         " (yaw = %.1f) (seed = %lli)",
2719                                         player_position.X/BS,
2720                                         player_position.Y/BS,
2721                                         player_position.Z/BS,
2722                                         wrapDegrees_0_360(camera_yaw),
2723                                         client.getMapSeed());
2724
2725                         guitext2->setText(narrow_to_wide(temptext).c_str());
2726                         guitext2->setVisible(true);
2727                 }
2728                 else
2729                 {
2730                         guitext2->setVisible(false);
2731                 }
2732
2733                 {
2734                         guitext_info->setText(infotext.c_str());
2735                         guitext_info->setVisible(show_hud && g_menumgr.menuCount() == 0);
2736                 }
2737
2738                 {
2739                         float statustext_time_max = 1.5;
2740                         if(!statustext.empty())
2741                         {
2742                                 statustext_time += dtime;
2743                                 if(statustext_time >= statustext_time_max)
2744                                 {
2745                                         statustext = L"";
2746                                         statustext_time = 0;
2747                                 }
2748                         }
2749                         guitext_status->setText(statustext.c_str());
2750                         guitext_status->setVisible(!statustext.empty());
2751
2752                         if(!statustext.empty())
2753                         {
2754                                 s32 status_y = screensize.Y - 130;
2755                                 core::rect<s32> rect(
2756                                                 10,
2757                                                 status_y - guitext_status->getTextHeight(),
2758                                                 screensize.X - 10,
2759                                                 status_y
2760                                 );
2761                                 guitext_status->setRelativePosition(rect);
2762
2763                                 // Fade out
2764                                 video::SColor initial_color(255,0,0,0);
2765                                 if(guienv->getSkin())
2766                                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
2767                                 video::SColor final_color = initial_color;
2768                                 final_color.setAlpha(0);
2769                                 video::SColor fade_color =
2770                                         initial_color.getInterpolated_quadratic(
2771                                                 initial_color,
2772                                                 final_color,
2773                                                 pow(statustext_time / (float)statustext_time_max, 2.0f));
2774                                 guitext_status->setOverrideColor(fade_color);
2775                                 guitext_status->enableOverrideColor(true);
2776                         }
2777                 }
2778
2779                 /*
2780                         Get chat messages from client
2781                 */
2782                 {
2783                         // Get new messages from error log buffer
2784                         while(!chat_log_error_buf.empty())
2785                         {
2786                                 chat_backend.addMessage(L"", narrow_to_wide(
2787                                                 chat_log_error_buf.get()));
2788                         }
2789                         // Get new messages from client
2790                         std::wstring message;
2791                         while(client.getChatMessage(message))
2792                         {
2793                                 chat_backend.addUnparsedMessage(message);
2794                         }
2795                         // Remove old messages
2796                         chat_backend.step(dtime);
2797
2798                         // Display all messages in a static text element
2799                         u32 recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
2800                         std::wstring recent_chat = chat_backend.getRecentChat();
2801                         guitext_chat->setText(recent_chat.c_str());
2802
2803                         // Update gui element size and position
2804                         s32 chat_y = 5+(text_height+5);
2805                         if(show_debug)
2806                                 chat_y += (text_height+5);
2807                         core::rect<s32> rect(
2808                                 10,
2809                                 chat_y,
2810                                 screensize.X - 10,
2811                                 chat_y + guitext_chat->getTextHeight()
2812                         );
2813                         guitext_chat->setRelativePosition(rect);
2814
2815                         // Don't show chat if disabled or empty or profiler is enabled
2816                         guitext_chat->setVisible(show_chat && recent_chat_count != 0
2817                                         && !show_profiler);
2818                 }
2819
2820                 /*
2821                         Inventory
2822                 */
2823
2824                 if(client.getPlayerItem() != new_playeritem)
2825                 {
2826                         client.selectPlayerItem(new_playeritem);
2827                 }
2828                 if(client.getLocalInventoryUpdated())
2829                 {
2830                         //infostream<<"Updating local inventory"<<std::endl;
2831                         client.getLocalInventory(local_inventory);
2832
2833                         update_wielded_item_trigger = true;
2834                 }
2835                 if(update_wielded_item_trigger)
2836                 {
2837                         update_wielded_item_trigger = false;
2838                         // Update wielded tool
2839                         InventoryList *mlist = local_inventory.getList("main");
2840                         ItemStack item;
2841                         if(mlist != NULL)
2842                                 item = mlist->getItem(client.getPlayerItem());
2843                         camera.wield(item);
2844                 }
2845
2846                 /*
2847                         Update block draw list every 200ms or when camera direction has
2848                         changed much
2849                 */
2850                 update_draw_list_timer += dtime;
2851                 if(update_draw_list_timer >= 0.2 ||
2852                                 update_draw_list_last_cam_dir.getDistanceFrom(camera_direction) > 0.2){
2853                         update_draw_list_timer = 0;
2854                         client.getEnv().getClientMap().updateDrawList(driver);
2855                         update_draw_list_last_cam_dir = camera_direction;
2856                 }
2857
2858                 /*
2859                         Drawing begins
2860                 */
2861
2862                 TimeTaker tt_draw("mainloop: draw");
2863
2864
2865                 {
2866                         TimeTaker timer("beginScene");
2867                         //driver->beginScene(false, true, bgcolor);
2868                         //driver->beginScene(true, true, bgcolor);
2869                         driver->beginScene(true, true, skycolor);
2870                         beginscenetime = timer.stop(true);
2871                 }
2872
2873                 //timer3.stop();
2874
2875                 //infostream<<"smgr->drawAll()"<<std::endl;
2876                 {
2877                         TimeTaker timer("smgr");
2878                         smgr->drawAll();
2879
2880                         if(g_settings->getBool("anaglyph"))
2881                         {
2882                                 irr::core::vector3df oldPosition = camera.getCameraNode()->getPosition();
2883                                 irr::core::vector3df oldTarget   = camera.getCameraNode()->getTarget();
2884
2885                                 irr::core::matrix4 startMatrix   = camera.getCameraNode()->getAbsoluteTransformation();
2886
2887                                 irr::core::vector3df focusPoint  = (camera.getCameraNode()->getTarget() -
2888                                                                                  camera.getCameraNode()->getAbsolutePosition()).setLength(1) +
2889                                                                                  camera.getCameraNode()->getAbsolutePosition() ;
2890
2891                                 //Left eye...
2892                                 irr::core::vector3df leftEye;
2893                                 irr::core::matrix4   leftMove;
2894
2895                                 leftMove.setTranslation( irr::core::vector3df(-g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
2896                                 leftEye=(startMatrix*leftMove).getTranslation();
2897
2898                                 //clear the depth buffer, and color
2899                                 driver->beginScene( true, true, irr::video::SColor(0,200,200,255) );
2900
2901                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_RED;
2902                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
2903                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
2904                                                                                                                          irr::scene::ESNRP_SOLID +
2905                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
2906                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
2907                                                                                                                          irr::scene::ESNRP_SHADOW;
2908
2909                                 camera.getCameraNode()->setPosition( leftEye );
2910                                 camera.getCameraNode()->setTarget( focusPoint );
2911
2912                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
2913
2914
2915                                 //Right eye...
2916                                 irr::core::vector3df rightEye;
2917                                 irr::core::matrix4   rightMove;
2918
2919                                 rightMove.setTranslation( irr::core::vector3df(g_settings->getFloat("anaglyph_strength"),0.0f,0.0f) );
2920                                 rightEye=(startMatrix*rightMove).getTranslation();
2921
2922                                 //clear the depth buffer
2923                                 driver->clearZBuffer();
2924
2925                                 driver->getOverrideMaterial().Material.ColorMask = irr::video::ECP_GREEN + irr::video::ECP_BLUE;
2926                                 driver->getOverrideMaterial().EnableFlags  = irr::video::EMF_COLOR_MASK;
2927                                 driver->getOverrideMaterial().EnablePasses = irr::scene::ESNRP_SKY_BOX +
2928                                                                                                                          irr::scene::ESNRP_SOLID +
2929                                                                                                                          irr::scene::ESNRP_TRANSPARENT +
2930                                                                                                                          irr::scene::ESNRP_TRANSPARENT_EFFECT +
2931                                                                                                                          irr::scene::ESNRP_SHADOW;
2932
2933                                 camera.getCameraNode()->setPosition( rightEye );
2934                                 camera.getCameraNode()->setTarget( focusPoint );
2935
2936                                 smgr->drawAll(); // 'smgr->drawAll();' may go here
2937
2938
2939                                 //driver->endScene();
2940
2941                                 driver->getOverrideMaterial().Material.ColorMask=irr::video::ECP_ALL;
2942                                 driver->getOverrideMaterial().EnableFlags=0;
2943                                 driver->getOverrideMaterial().EnablePasses=0;
2944
2945                                 camera.getCameraNode()->setPosition( oldPosition );
2946                                 camera.getCameraNode()->setTarget( oldTarget );
2947                         }
2948
2949                         scenetime = timer.stop(true);
2950                 }
2951
2952                 {
2953                 //TimeTaker timer9("auxiliary drawings");
2954                 // 0ms
2955
2956                 //timer9.stop();
2957                 //TimeTaker //timer10("//timer10");
2958
2959                 video::SMaterial m;
2960                 //m.Thickness = 10;
2961                 m.Thickness = 3;
2962                 m.Lighting = false;
2963                 driver->setMaterial(m);
2964
2965                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2966
2967                 if(show_hud)
2968                 {
2969                         v3f selectionbox_color = g_settings->getV3F("selectionbox_color");
2970                         u32 selectionbox_color_r = rangelim(myround(selectionbox_color.X), 0, 255);
2971                         u32 selectionbox_color_g = rangelim(myround(selectionbox_color.Y), 0, 255);
2972                         u32 selectionbox_color_b = rangelim(myround(selectionbox_color.Z), 0, 255);
2973
2974                         for(std::vector<aabb3f>::const_iterator
2975                                         i = hilightboxes.begin();
2976                                         i != hilightboxes.end(); i++)
2977                         {
2978                                 /*infostream<<"hilightbox min="
2979                                                 <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2980                                                 <<" max="
2981                                                 <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2982                                                 <<std::endl;*/
2983                                 driver->draw3DBox(*i, video::SColor(255,selectionbox_color_r,selectionbox_color_g,selectionbox_color_b));
2984                         }
2985                 }
2986
2987                 /*
2988                         Wielded tool
2989                 */
2990                 if(show_hud)
2991                 {
2992                         // Warning: This clears the Z buffer.
2993                         camera.drawWieldedTool();
2994                 }
2995
2996                 /*
2997                         Post effects
2998                 */
2999                 {
3000                         client.getEnv().getClientMap().renderPostFx();
3001                 }
3002
3003                 /*
3004                         Profiler graph
3005                 */
3006                 if(show_profiler_graph)
3007                 {
3008                         graph.draw(10, screensize.Y - 10, driver, font);
3009                 }
3010
3011                 /*
3012                         Draw crosshair
3013                 */
3014                 if(show_hud)
3015                 {
3016                         v3f crosshair_color = g_settings->getV3F("crosshair_color");
3017                         u32 crosshair_color_r = rangelim(myround(crosshair_color.X), 0, 255);
3018                         u32 crosshair_color_g = rangelim(myround(crosshair_color.Y), 0, 255);
3019                         u32 crosshair_color_b = rangelim(myround(crosshair_color.Z), 0, 255);
3020                         u32 crosshair_alpha = rangelim(g_settings->getS32("crosshair_alpha"), 0, 255);
3021
3022                         driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
3023                                         displaycenter + core::vector2d<s32>(10,0),
3024                                         video::SColor(crosshair_alpha,crosshair_color_r,crosshair_color_g,crosshair_color_b));
3025                         driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
3026                                         displaycenter + core::vector2d<s32>(0,10),
3027                                         video::SColor(crosshair_alpha,crosshair_color_r,crosshair_color_g,crosshair_color_b));
3028                 }
3029
3030                 } // timer
3031
3032                 //timer10.stop();
3033                 //TimeTaker //timer11("//timer11");
3034
3035
3036                 /*
3037                         Draw hotbar
3038                 */
3039                 if(show_hud)
3040                 {
3041                         draw_hotbar(driver, font, gamedef,
3042                                         v2s32(displaycenter.X, screensize.Y),
3043                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
3044                                         client.getHP(), client.getPlayerItem());
3045                 }
3046
3047                 /*
3048                         Damage flash
3049                 */
3050                 if(damage_flash > 0.0)
3051                 {
3052                         video::SColor color(std::min(damage_flash, 220.0f),180,0,0);
3053                         driver->draw2DRectangle(color,
3054                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
3055                                         NULL);
3056
3057                         damage_flash -= 100.0*dtime;
3058                 }
3059
3060                 /*
3061                         Draw gui
3062                 */
3063                 // 0-1ms
3064                 guienv->drawAll();
3065
3066                 /*
3067                         End scene
3068                 */
3069                 {
3070                         TimeTaker timer("endScene");
3071                         endSceneX(driver);
3072                         endscenetime = timer.stop(true);
3073                 }
3074
3075                 drawtime = tt_draw.stop(true);
3076                 g_profiler->graphAdd("mainloop_draw", (float)drawtime/1000.0f);
3077
3078                 /*
3079                         End of drawing
3080                 */
3081
3082                 static s16 lastFPS = 0;
3083                 //u16 fps = driver->getFPS();
3084                 u16 fps = (1.0/dtime_avg1);
3085
3086                 if (lastFPS != fps)
3087                 {
3088                         core::stringw str = L"Minetest [";
3089                         str += driver->getName();
3090                         str += "] FPS=";
3091                         str += fps;
3092
3093                         device->setWindowCaption(str.c_str());
3094                         lastFPS = fps;
3095                 }
3096
3097                 /*
3098                         Log times and stuff for visualization
3099                 */
3100                 Profiler::GraphValues values;
3101                 g_profiler->graphGet(values);
3102                 graph.put(values);
3103         }
3104
3105         /*
3106                 Drop stuff
3107         */
3108         if(clouds)
3109                 clouds->drop();
3110         if(gui_chat_console)
3111                 gui_chat_console->drop();
3112
3113         /*
3114                 Draw a "shutting down" screen, which will be shown while the map
3115                 generator and other stuff quits
3116         */
3117         {
3118                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
3119                 draw_load_screen(L"Shutting down stuff...", driver, font);
3120                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
3121                 guienv->drawAll();
3122                 driver->endScene();
3123                 gui_shuttingdowntext->remove();*/
3124         }
3125
3126         chat_backend.addMessage(L"", L"# Disconnected.");
3127         chat_backend.addMessage(L"", L"");
3128
3129         // Client scope (client is destructed before destructing *def and tsrc)
3130         }while(0);
3131         } // try-catch
3132         catch(SerializationError &e)
3133         {
3134                 error_message = L"A serialization error occurred:\n"
3135                                 + narrow_to_wide(e.what()) + L"\n\nThe server is probably "
3136                                 L" running a different version of Minetest.";
3137                 errorstream<<wide_to_narrow(error_message)<<std::endl;
3138         }
3139
3140         if(!sound_is_dummy)
3141                 delete sound;
3142
3143         delete tsrc;
3144         delete shsrc;
3145         delete nodedef;
3146         delete itemdef;
3147 }
3148
3149