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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "common_irrlicht.h"
  22 #include <IGUICheckBox.h>
  23 #include <IGUIEditBox.h>
  24 #include <IGUIButton.h>
  25 #include <IGUIStaticText.h>
  26 #include <IGUIFont.h>
  27 #include "client.h"
  28 #include "server.h"
  29 #include "guiPauseMenu.h"
  30 #include "guiPasswordChange.h"
  31 #include "guiInventoryMenu.h"
  32 #include "guiTextInputMenu.h"
  33 #include "guiDeathScreen.h"
  34 #include "tool.h"
  35 #include "guiChatConsole.h"
  36 #include "config.h"
  37 #include "clouds.h"
  38 #include "camera.h"
  39 #include "farmesh.h"
  40 #include "mapblock.h"
  41 #include "settings.h"
  42 #include "profiler.h"
  43 #include "mainmenumanager.h"
  44 #include "gettext.h"
  45 #include "log.h"
  46 #include "filesys.h"
  47 // Needed for determining pointing to nodes
  48 #include "nodedef.h"
  49 #include "nodemetadata.h"
  50 #include "main.h" // For g_settings
  51 #include "itemdef.h"
  52 #include "tile.h" // For TextureSource
  53 #include "logoutputbuffer.h"
  54 #include "subgame.h"
  55 #include "quicktune_shortcutter.h"
  56 #include "clientmap.h"
  57 #include "sky.h"
  58 #include "sound.h"
  59 #if USE_SOUND
  60         #include "sound_openal.h"
  61 #endif
  62 #include "event_manager.h"
  63 #include <list>
  64
  65 /*
  66         Setting this to 1 enables a special camera mode that forces
  67         the renderers to think that the camera statically points from
  68         the starting place to a static direction.
  69
  70         This allows one to move around with the player and see what
  71         is actually drawn behind solid things and behind the player.
  72 */
  73 #define FIELD_OF_VIEW_TEST 0
  74
  75
  76 /*
  77         Text input system
  78 */
  79
  80 struct TextDestChat : public TextDest
  81 {
  82         TextDestChat(Client *client)
  83         {
  84                 m_client = client;
  85         }
  86         void gotText(std::wstring text)
  87         {
  88                 m_client->typeChatMessage(text);
  89         }
  90
  91         Client *m_client;
  92 };
  93
  94 struct TextDestNodeMetadata : public TextDest
  95 {
  96         TextDestNodeMetadata(v3s16 p, Client *client)
  97         {
  98                 m_p = p;
  99                 m_client = client;
 100         }
 101         void gotText(std::wstring text)
 102         {
 103                 std::string ntext = wide_to_narrow(text);
 104                 infostream<<"Changing text of a sign node: "
 105                                 <<ntext<<std::endl;
 106                 m_client->sendSignNodeText(m_p, ntext);
 107         }
 108
 109         v3s16 m_p;
 110         Client *m_client;
 111 };
 112
 113 /* Respawn menu callback */
 114
 115 class MainRespawnInitiator: public IRespawnInitiator
 116 {
 117 public:
 118         MainRespawnInitiator(bool *active, Client *client):
 119                 m_active(active), m_client(client)
 120         {
 121                 *m_active = true;
 122         }
 123         void respawn()
 124         {
 125                 *m_active = false;
 126                 m_client->sendRespawn();
 127         }
 128 private:
 129         bool *m_active;
 130         Client *m_client;
 131 };
 132
 133 /*
 134         Hotbar draw routine
 135 */
 136 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 137                 IGameDef *gamedef,
 138                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 139                 Inventory *inventory, s32 halfheartcount, u16 playeritem)
 140 {
 141         InventoryList *mainlist = inventory->getList("main");
 142         if(mainlist == NULL)
 143         {
 144                 errorstream<<"draw_hotbar(): mainlist == NULL"<<std::endl;
 145                 return;
 146         }
 147
 148         s32 padding = imgsize/12;
 149         //s32 height = imgsize + padding*2;
 150         s32 width = itemcount*(imgsize+padding*2);
 151
 152         // Position of upper left corner of bar
 153         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 154
 155         // Draw background color
 156         /*core::rect<s32> barrect(0,0,width,height);
 157         barrect += pos;
 158         video::SColor bgcolor(255,128,128,128);
 159         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 160
 161         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 162
 163         for(s32 i=0; i<itemcount; i++)
 164         {
 165                 const ItemStack &item = mainlist->getItem(i);
 166
 167                 core::rect<s32> rect = imgrect + pos
 168                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 169
 170                 if(playeritem == i)
 171                 {
 172                         video::SColor c_outside(255,255,0,0);
 173                         //video::SColor c_outside(255,0,0,0);
 174                         //video::SColor c_inside(255,192,192,192);
 175                         s32 x1 = rect.UpperLeftCorner.X;
 176                         s32 y1 = rect.UpperLeftCorner.Y;
 177                         s32 x2 = rect.LowerRightCorner.X;
 178                         s32 y2 = rect.LowerRightCorner.Y;
 179                         // Black base borders
 180                         driver->draw2DRectangle(c_outside,
 181                                         core::rect<s32>(
 182                                                 v2s32(x1 - padding, y1 - padding),
 183                                                 v2s32(x2 + padding, y1)
 184                                         ), NULL);
 185                         driver->draw2DRectangle(c_outside,
 186                                         core::rect<s32>(
 187                                                 v2s32(x1 - padding, y2),
 188                                                 v2s32(x2 + padding, y2 + padding)
 189                                         ), NULL);
 190                         driver->draw2DRectangle(c_outside,
 191                                         core::rect<s32>(
 192                                                 v2s32(x1 - padding, y1),
 193                                                 v2s32(x1, y2)
 194                                         ), NULL);
 195                         driver->draw2DRectangle(c_outside,
 196                                         core::rect<s32>(
 197                                                 v2s32(x2, y1),
 198                                                 v2s32(x2 + padding, y2)
 199                                         ), NULL);
 200                         /*// Light inside borders
 201                         driver->draw2DRectangle(c_inside,
 202                                         core::rect<s32>(
 203                                                 v2s32(x1 - padding/2, y1 - padding/2),
 204                                                 v2s32(x2 + padding/2, y1)
 205                                         ), NULL);
 206                         driver->draw2DRectangle(c_inside,
 207                                         core::rect<s32>(
 208                                                 v2s32(x1 - padding/2, y2),
 209                                                 v2s32(x2 + padding/2, y2 + padding/2)
 210                                         ), NULL);
 211                         driver->draw2DRectangle(c_inside,
 212                                         core::rect<s32>(
 213                                                 v2s32(x1 - padding/2, y1),
 214                                                 v2s32(x1, y2)
 215                                         ), NULL);
 216                         driver->draw2DRectangle(c_inside,
 217                                         core::rect<s32>(
 218                                                 v2s32(x2, y1),
 219                                                 v2s32(x2 + padding/2, y2)
 220                                         ), NULL);
 221                         */
 222                 }
 223
 224                 video::SColor bgcolor2(128,0,0,0);
 225                 driver->draw2DRectangle(bgcolor2, rect, NULL);
 226                 drawItemStack(driver, font, item, rect, NULL, gamedef);
 227         }
 228
 229         /*
 230                 Draw hearts
 231         */
 232         video::ITexture *heart_texture =
 233                 gamedef->getTextureSource()->getTextureRaw("heart.png");
 234         if(heart_texture)
 235         {
 236                 v2s32 p = pos + v2s32(0, -20);
 237                 for(s32 i=0; i<halfheartcount/2; i++)
 238                 {
 239                         const video::SColor color(255,255,255,255);
 240                         const video::SColor colors[] = {color,color,color,color};
 241                         core::rect<s32> rect(0,0,16,16);
 242                         rect += p;
 243                         driver->draw2DImage(heart_texture, rect,
 244                                 core::rect<s32>(core::position2d<s32>(0,0),
 245                                 core::dimension2di(heart_texture->getOriginalSize())),
 246                                 NULL, colors, true);
 247                         p += v2s32(16,0);
 248                 }
 249                 if(halfheartcount % 2 == 1)
 250                 {
 251                         const video::SColor color(255,255,255,255);
 252                         const video::SColor colors[] = {color,color,color,color};
 253                         core::rect<s32> rect(0,0,16/2,16);
 254                         rect += p;
 255                         core::dimension2di srcd(heart_texture->getOriginalSize());
 256                         srcd.Width /= 2;
 257                         driver->draw2DImage(heart_texture, rect,
 258                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 259                                 NULL, colors, true);
 260                         p += v2s32(16,0);
 261                 }
 262         }
 263 }
 264
 265 /*
 266         Check if a node is pointable
 267 */
 268 inline bool isPointableNode(const MapNode& n,
 269                 Client *client, bool liquids_pointable)
 270 {
 271         const ContentFeatures &features = client->getNodeDefManager()->get(n);
 272         return features.pointable ||
 273                 (liquids_pointable && features.isLiquid());
 274 }
 275
 276 /*
 277         Find what the player is pointing at
 278 */
 279 PointedThing getPointedThing(Client *client, v3f player_position,
 280                 v3f camera_direction, v3f camera_position,
 281                 core::line3d<f32> shootline, f32 d,
 282                 bool liquids_pointable,
 283                 bool look_for_object,
 284                 core::aabbox3d<f32> &hilightbox,
 285                 bool &should_show_hilightbox,
 286                 ClientActiveObject *&selected_object)
 287 {
 288         PointedThing result;
 289
 290         hilightbox = core::aabbox3d<f32>(0,0,0,0,0,0);
 291         should_show_hilightbox = false;
 292         selected_object = NULL;
 293
 294         INodeDefManager *nodedef = client->getNodeDefManager();
 295         ClientMap &map = client->getEnv().getClientMap();
 296
 297         // First try to find a pointed at active object
 298         if(look_for_object)
 299         {
 300                 selected_object = client->getSelectedActiveObject(d*BS,
 301                                 camera_position, shootline);
 302         }
 303         if(selected_object != NULL)
 304         {
 305                 core::aabbox3d<f32> *selection_box
 306                         = selected_object->getSelectionBox();
 307                 // Box should exist because object was returned in the
 308                 // first place
 309                 assert(selection_box);
 310
 311                 v3f pos = selected_object->getPosition();
 312
 313                 hilightbox = core::aabbox3d<f32>(
 314                                 selection_box->MinEdge + pos,
 315                                 selection_box->MaxEdge + pos
 316                 );
 317
 318                 should_show_hilightbox = selected_object->doShowSelectionBox();
 319
 320                 result.type = POINTEDTHING_OBJECT;
 321                 result.object_id = selected_object->getId();
 322                 return result;
 323         }
 324
 325         // That didn't work, try to find a pointed at node
 326
 327         f32 mindistance = BS * 1001;
 328
 329         v3s16 pos_i = floatToInt(player_position, BS);
 330
 331         /*infostream<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 332                         <<std::endl;*/
 333
 334         s16 a = d;
 335         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 336         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 337         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 338         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 339         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 340         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 341
 342         for(s16 y = ystart; y <= yend; y++)
 343         for(s16 z = zstart; z <= zend; z++)
 344         for(s16 x = xstart; x <= xend; x++)
 345         {
 346                 MapNode n;
 347                 try
 348                 {
 349                         n = map.getNode(v3s16(x,y,z));
 350                 }
 351                 catch(InvalidPositionException &e)
 352                 {
 353                         continue;
 354                 }
 355                 if(!isPointableNode(n, client, liquids_pointable))
 356                         continue;
 357
 358                 v3s16 np(x,y,z);
 359                 v3f npf = intToFloat(np, BS);
 360
 361                 f32 d = 0.01;
 362
 363                 v3s16 dirs[6] = {
 364                         v3s16(0,0,1), // back
 365                         v3s16(0,1,0), // top
 366                         v3s16(1,0,0), // right
 367                         v3s16(0,0,-1), // front
 368                         v3s16(0,-1,0), // bottom
 369                         v3s16(-1,0,0), // left
 370                 };
 371
 372                 const ContentFeatures &f = nodedef->get(n);
 373
 374                 if(f.selection_box.type == NODEBOX_FIXED)
 375                 {
 376                         core::aabbox3d<f32> box = f.selection_box.fixed;
 377                         box.MinEdge += npf;
 378                         box.MaxEdge += npf;
 379
 380                         v3s16 facedirs[6] = {
 381                                 v3s16(-1,0,0),
 382                                 v3s16(1,0,0),
 383                                 v3s16(0,-1,0),
 384                                 v3s16(0,1,0),
 385                                 v3s16(0,0,-1),
 386                                 v3s16(0,0,1),
 387                         };
 388
 389                         core::aabbox3d<f32> faceboxes[6] = {
 390                                 // X-
 391                                 core::aabbox3d<f32>(
 392                                         box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
 393                                         box.MinEdge.X+d, box.MaxEdge.Y, box.MaxEdge.Z
 394                                 ),
 395                                 // X+
 396                                 core::aabbox3d<f32>(
 397                                         box.MaxEdge.X-d, box.MinEdge.Y, box.MinEdge.Z,
 398                                         box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
 399                                 ),
 400                                 // Y-
 401                                 core::aabbox3d<f32>(
 402                                         box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
 403                                         box.MaxEdge.X, box.MinEdge.Y+d, box.MaxEdge.Z
 404                                 ),
 405                                 // Y+
 406                                 core::aabbox3d<f32>(
 407                                         box.MinEdge.X, box.MaxEdge.Y-d, box.MinEdge.Z,
 408                                         box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
 409                                 ),
 410                                 // Z-
 411                                 core::aabbox3d<f32>(
 412                                         box.MinEdge.X, box.MinEdge.Y, box.MinEdge.Z,
 413                                         box.MaxEdge.X, box.MaxEdge.Y, box.MinEdge.Z+d
 414                                 ),
 415                                 // Z+
 416                                 core::aabbox3d<f32>(
 417                                         box.MinEdge.X, box.MinEdge.Y, box.MaxEdge.Z-d,
 418                                         box.MaxEdge.X, box.MaxEdge.Y, box.MaxEdge.Z
 419                                 ),
 420                         };
 421
 422                         for(u16 i=0; i<6; i++)
 423                         {
 424                                 v3f facedir_f(facedirs[i].X, facedirs[i].Y, facedirs[i].Z);
 425                                 v3f centerpoint = npf + facedir_f * BS/2;
 426                                 f32 distance = (centerpoint - camera_position).getLength();
 427                                 if(distance >= mindistance)
 428                                         continue;
 429                                 if(!faceboxes[i].intersectsWithLine(shootline))
 430                                         continue;
 431                                 result.type = POINTEDTHING_NODE;
 432                                 result.node_undersurface = np;
 433                                 result.node_abovesurface = np+facedirs[i];
 434                                 mindistance = distance;
 435                                 hilightbox = box;
 436                                 should_show_hilightbox = true;
 437                         }
 438                 }
 439                 else if(f.selection_box.type == NODEBOX_WALLMOUNTED)
 440                 {
 441                         v3s16 dir = n.getWallMountedDir(nodedef);
 442                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 443                         dir_f *= BS/2 - BS/6 - BS/20;
 444                         v3f cpf = npf + dir_f;
 445                         f32 distance = (cpf - camera_position).getLength();
 446
 447                         core::aabbox3d<f32> box;
 448
 449                         // top
 450                         if(dir == v3s16(0,1,0)){
 451                                 box = f.selection_box.wall_top;
 452                         }
 453                         // bottom
 454                         else if(dir == v3s16(0,-1,0)){
 455                                 box = f.selection_box.wall_bottom;
 456                         }
 457                         // side
 458                         else{
 459                                 v3f vertices[2] =
 460                                 {
 461                                         f.selection_box.wall_side.MinEdge,
 462                                         f.selection_box.wall_side.MaxEdge
 463                                 };
 464
 465                                 for(s32 i=0; i<2; i++)
 466                                 {
 467                                         if(dir == v3s16(-1,0,0))
 468                                                 vertices[i].rotateXZBy(0);
 469                                         if(dir == v3s16(1,0,0))
 470                                                 vertices[i].rotateXZBy(180);
 471                                         if(dir == v3s16(0,0,-1))
 472                                                 vertices[i].rotateXZBy(90);
 473                                         if(dir == v3s16(0,0,1))
 474                                                 vertices[i].rotateXZBy(-90);
 475                                 }
 476
 477                                 box = core::aabbox3d<f32>(vertices[0]);
 478                                 box.addInternalPoint(vertices[1]);
 479                         }
 480
 481                         box.MinEdge += npf;
 482                         box.MaxEdge += npf;
 483
 484                         if(distance < mindistance)
 485                         {
 486                                 if(box.intersectsWithLine(shootline))
 487                                 {
 488                                         result.type = POINTEDTHING_NODE;
 489                                         result.node_undersurface = np;
 490                                         result.node_abovesurface = np;
 491                                         mindistance = distance;
 492                                         hilightbox = box;
 493                                         should_show_hilightbox = true;
 494                                 }
 495                         }
 496                 }
 497                 else // NODEBOX_REGULAR
 498                 {
 499                         for(u16 i=0; i<6; i++)
 500                         {
 501                                 v3f dir_f = v3f(dirs[i].X,
 502                                                 dirs[i].Y, dirs[i].Z);
 503                                 v3f centerpoint = npf + dir_f * BS/2;
 504                                 f32 distance =
 505                                                 (centerpoint - camera_position).getLength();
 506
 507                                 if(distance < mindistance)
 508                                 {
 509                                         core::CMatrix4<f32> m;
 510                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 511
 512                                         // This is the back face
 513                                         v3f corners[2] = {
 514                                                 v3f(BS/2, BS/2, BS/2),
 515                                                 v3f(-BS/2, -BS/2, BS/2+d)
 516                                         };
 517
 518                                         for(u16 j=0; j<2; j++)
 519                                         {
 520                                                 m.rotateVect(corners[j]);
 521                                                 corners[j] += npf;
 522                                         }
 523
 524                                         core::aabbox3d<f32> facebox(corners[0]);
 525                                         facebox.addInternalPoint(corners[1]);
 526
 527                                         if(facebox.intersectsWithLine(shootline))
 528                                         {
 529                                                 result.type = POINTEDTHING_NODE;
 530                                                 result.node_undersurface = np;
 531                                                 result.node_abovesurface = np + dirs[i];
 532                                                 mindistance = distance;
 533
 534                                                 //hilightbox = facebox;
 535
 536                                                 const float d = 0.502;
 537                                                 core::aabbox3d<f32> nodebox
 538                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 539                                                 v3f nodepos_f = intToFloat(np, BS);
 540                                                 nodebox.MinEdge += nodepos_f;
 541                                                 nodebox.MaxEdge += nodepos_f;
 542                                                 hilightbox = nodebox;
 543                                                 should_show_hilightbox = true;
 544                                         }
 545                                 } // if distance < mindistance
 546                         } // for dirs
 547                 } // regular block
 548         } // for coords
 549
 550         return result;
 551 }
 552
 553 /*
 554         Draws a screen with a single text on it.
 555         Text will be removed when the screen is drawn the next time.
 556 */
 557 /*gui::IGUIStaticText **/
 558 void draw_load_screen(const std::wstring &text,
 559                 video::IVideoDriver* driver, gui::IGUIFont* font)
 560 {
 561         v2u32 screensize = driver->getScreenSize();
 562         const wchar_t *loadingtext = text.c_str();
 563         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 564         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 565         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 566         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 567
 568         gui::IGUIStaticText *guitext = guienv->addStaticText(
 569                         loadingtext, textrect, false, false);
 570         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 571
 572         driver->beginScene(true, true, video::SColor(255,0,0,0));
 573         guienv->drawAll();
 574         driver->endScene();
 575
 576         guitext->remove();
 577
 578         //return guitext;
 579 }
 580
 581 /* Profiler display */
 582
 583 void update_profiler_gui(gui::IGUIStaticText *guitext_profiler,
 584                 gui::IGUIFont *font, u32 text_height,
 585                 u32 show_profiler, u32 show_profiler_max)
 586 {
 587         if(show_profiler == 0)
 588         {
 589                 guitext_profiler->setVisible(false);
 590         }
 591         else
 592         {
 593
 594                 std::ostringstream os(std::ios_base::binary);
 595                 g_profiler->printPage(os, show_profiler, show_profiler_max);
 596                 std::wstring text = narrow_to_wide(os.str());
 597                 guitext_profiler->setText(text.c_str());
 598                 guitext_profiler->setVisible(true);
 599
 600                 s32 w = font->getDimension(text.c_str()).Width;
 601                 if(w < 400)
 602                         w = 400;
 603                 core::rect<s32> rect(6, 4+(text_height+5)*2, 12+w,
 604                                 8+(text_height+5)*2 +
 605                                 font->getDimension(text.c_str()).Height);
 606                 guitext_profiler->setRelativePosition(rect);
 607                 guitext_profiler->setVisible(true);
 608         }
 609 }
 610
 611 class ProfilerGraph
 612 {
 613 private:
 614         struct Piece{
 615                 Profiler::GraphValues values;
 616         };
 617         struct Meta{
 618                 float min;
 619                 float max;
 620                 video::SColor color;
 621                 Meta(float initial=0, video::SColor color=
 622                                 video::SColor(255,255,255,255)):
 623                         min(initial),
 624                         max(initial),
 625                         color(color)
 626                 {}
 627         };
 628         std::list<Piece> m_log;
 629 public:
 630         u32 m_log_max_size;
 631
 632         ProfilerGraph():
 633                 m_log_max_size(200)
 634         {}
 635
 636         void put(const Profiler::GraphValues &values)
 637         {
 638                 Piece piece;
 639                 piece.values = values;
 640                 m_log.push_back(piece);
 641                 while(m_log.size() > m_log_max_size)
 642                         m_log.erase(m_log.begin());
 643         }
 644
 645         void draw(s32 x_left, s32 y_bottom, video::IVideoDriver *driver,
 646                         gui::IGUIFont* font) const
 647         {
 648                 std::map<std::string, Meta> m_meta;
 649                 for(std::list<Piece>::const_iterator k = m_log.begin();
 650                                 k != m_log.end(); k++)
 651                 {
 652                         const Piece &piece = *k;
 653                         for(Profiler::GraphValues::const_iterator i = piece.values.begin();
 654                                         i != piece.values.end(); i++){
 655                                 const std::string &id = i->first;
 656                                 const float &value = i->second;
 657                                 std::map<std::string, Meta>::iterator j =
 658                                                 m_meta.find(id);
 659                                 if(j == m_meta.end()){
 660                                         m_meta[id] = Meta(value);
 661                                         continue;
 662                                 }
 663                                 if(value < j->second.min)
 664                                         j->second.min = value;
 665                                 if(value > j->second.max)
 666                                         j->second.max = value;
 667                         }
 668                 }
 669
 670                 // Assign colors
 671                 static const video::SColor usable_colors[] = {
 672                         video::SColor(255,255,100,100),
 673                         video::SColor(255,90,225,90),
 674                         video::SColor(255,100,100,255),
 675                         video::SColor(255,255,150,50),
 676                         video::SColor(255,220,220,100)
 677                 };
 678                 static const u32 usable_colors_count =
 679                                 sizeof(usable_colors) / sizeof(*usable_colors);
 680                 u32 next_color_i = 0;
 681                 for(std::map<std::string, Meta>::iterator i = m_meta.begin();
 682                                 i != m_meta.end(); i++){
 683                         Meta &meta = i->second;
 684                         video::SColor color(255,200,200,200);
 685                         if(next_color_i < usable_colors_count)
 686                                 color = usable_colors[next_color_i++];
 687                         meta.color = color;
 688                 }
 689
 690                 s32 graphh = 50;
 691                 s32 textx = x_left + m_log_max_size + 15;
 692                 s32 textx2 = textx + 200 - 15;
 693
 694                 // Draw background
 695                 /*{
 696                         u32 num_graphs = m_meta.size();
 697                         core::rect<s32> rect(x_left, y_bottom - num_graphs*graphh,
 698                                         textx2, y_bottom);
 699                         video::SColor bgcolor(120,0,0,0);
 700                         driver->draw2DRectangle(bgcolor, rect, NULL);
 701                 }*/
 702
 703                 s32 meta_i = 0;
 704                 for(std::map<std::string, Meta>::const_iterator i = m_meta.begin();
 705                                 i != m_meta.end(); i++){
 706                         const std::string &id = i->first;
 707                         const Meta &meta = i->second;
 708                         s32 x = x_left;
 709                         s32 y = y_bottom - meta_i * 50;
 710                         float show_min = meta.min;
 711                         float show_max = meta.max;
 712                         if(show_min >= -0.0001 && show_max >= -0.0001){
 713                                 if(show_min <= show_max * 0.5)
 714                                         show_min = 0;
 715                         }
 716                         s32 texth = 15;
 717                         char buf[10];
 718                         snprintf(buf, 10, "%.3g", show_max);
 719                         font->draw(narrow_to_wide(buf).c_str(),
 720                                         core::rect<s32>(textx, y - graphh,
 721                                         textx2, y - graphh + texth),
 722                                         meta.color);
 723                         snprintf(buf, 10, "%.3g", show_min);
 724                         font->draw(narrow_to_wide(buf).c_str(),
 725                                         core::rect<s32>(textx, y - texth,
 726                                         textx2, y),
 727                                         meta.color);
 728                         font->draw(narrow_to_wide(id).c_str(),
 729                                         core::rect<s32>(textx, y - graphh/2 - texth/2,
 730                                         textx2, y - graphh/2 + texth/2),
 731                                         meta.color);
 732                         s32 graph1y = y;
 733                         s32 graph1h = graphh;
 734                         bool relativegraph = (show_min != 0 && show_min != show_max);
 735                         float lastscaledvalue = 0.0;
 736                         bool lastscaledvalue_exists = false;
 737                         for(std::list<Piece>::const_iterator j = m_log.begin();
 738                                         j != m_log.end(); j++)
 739                         {
 740                                 const Piece &piece = *j;
 741                                 float value = 0;
 742                                 bool value_exists = false;
 743                                 Profiler::GraphValues::const_iterator k =
 744                                                 piece.values.find(id);
 745                                 if(k != piece.values.end()){
 746                                         value = k->second;
 747                                         value_exists = true;
 748                                 }
 749                                 if(!value_exists){
 750                                         x++;
 751                                         lastscaledvalue_exists = false;
 752                                         continue;
 753                                 }
 754                                 float scaledvalue = 1.0;
 755                                 if(show_max != show_min)
 756                                         scaledvalue = (value - show_min) / (show_max - show_min);
 757                                 if(scaledvalue == 1.0 && value == 0){
 758                                         x++;
 759                                         lastscaledvalue_exists = false;
 760                                         continue;
 761                                 }
 762                                 if(relativegraph){
 763                                         if(lastscaledvalue_exists){
 764                                                 s32 ivalue1 = lastscaledvalue * graph1h;
 765                                                 s32 ivalue2 = scaledvalue * graph1h;
 766                                                 driver->draw2DLine(v2s32(x-1, graph1y - ivalue1),
 767                                                                 v2s32(x, graph1y - ivalue2), meta.color);
 768                                         }
 769                                         lastscaledvalue = scaledvalue;
 770                                         lastscaledvalue_exists = true;
 771                                 } else{
 772                                         s32 ivalue = scaledvalue * graph1h;
 773                                         driver->draw2DLine(v2s32(x, graph1y),
 774                                                         v2s32(x, graph1y - ivalue), meta.color);
 775                                 }
 776                                 x++;
 777                         }
 778                         meta_i++;
 779                 }
 780         }
 781 };
 782
 783 class NodeDugEvent: public MtEvent
 784 {
 785 public:
 786         v3s16 p;
 787         MapNode n;
 788
 789         NodeDugEvent(v3s16 p, MapNode n):
 790                 p(p),
 791                 n(n)
 792         {}
 793         const char* getType() const
 794         {return "NodeDug";}
 795 };
 796
 797 class SoundMaker
 798 {
 799         ISoundManager *m_sound;
 800         INodeDefManager *m_ndef;
 801 public:
 802         float m_player_step_timer;
 803
 804         SimpleSoundSpec m_player_step_sound;
 805         SimpleSoundSpec m_player_leftpunch_sound;
 806         SimpleSoundSpec m_player_rightpunch_sound;
 807
 808         SoundMaker(ISoundManager *sound, INodeDefManager *ndef):
 809                 m_sound(sound),
 810                 m_ndef(ndef),
 811                 m_player_step_timer(0)
 812         {
 813         }
 814
 815         void playPlayerStep()
 816         {
 817                 if(m_player_step_timer <= 0 && m_player_step_sound.exists()){
 818                         m_player_step_timer = 0.03;
 819                         m_sound->playSound(m_player_step_sound, false);
 820                 }
 821         }
 822
 823         static void viewBobbingStep(MtEvent *e, void *data)
 824         {
 825                 SoundMaker *sm = (SoundMaker*)data;
 826                 sm->playPlayerStep();
 827         }
 828
 829         static void playerRegainGround(MtEvent *e, void *data)
 830         {
 831                 SoundMaker *sm = (SoundMaker*)data;
 832                 sm->playPlayerStep();
 833         }
 834
 835         static void playerJump(MtEvent *e, void *data)
 836         {
 837                 //SoundMaker *sm = (SoundMaker*)data;
 838         }
 839
 840         static void cameraPunchLeft(MtEvent *e, void *data)
 841         {
 842                 SoundMaker *sm = (SoundMaker*)data;
 843                 sm->m_sound->playSound(sm->m_player_leftpunch_sound, false);
 844         }
 845
 846         static void cameraPunchRight(MtEvent *e, void *data)
 847         {
 848                 SoundMaker *sm = (SoundMaker*)data;
 849                 sm->m_sound->playSound(sm->m_player_rightpunch_sound, false);
 850         }
 851
 852         static void nodeDug(MtEvent *e, void *data)
 853         {
 854                 SoundMaker *sm = (SoundMaker*)data;
 855                 NodeDugEvent *nde = (NodeDugEvent*)e;
 856                 sm->m_sound->playSound(sm->m_ndef->get(nde->n).sound_dug, false);
 857         }
 858
 859         void registerReceiver(MtEventManager *mgr)
 860         {
 861                 mgr->reg("ViewBobbingStep", SoundMaker::viewBobbingStep, this);
 862                 mgr->reg("PlayerRegainGround", SoundMaker::playerRegainGround, this);
 863                 mgr->reg("PlayerJump", SoundMaker::playerJump, this);
 864                 mgr->reg("CameraPunchLeft", SoundMaker::cameraPunchLeft, this);
 865                 mgr->reg("CameraPunchRight", SoundMaker::cameraPunchRight, this);
 866                 mgr->reg("NodeDug", SoundMaker::nodeDug, this);
 867         }
 868
 869         void step(float dtime)
 870         {
 871                 m_player_step_timer -= dtime;
 872         }
 873 };
 874
 875 // Locally stored sounds don't need to be preloaded because of this
 876 class GameOnDemandSoundFetcher: public OnDemandSoundFetcher
 877 {
 878         std::set<std::string> m_fetched;
 879 public:
 880
 881         void fetchSounds(const std::string &name,
 882                         std::set<std::string> &dst_paths,
 883                         std::set<std::string> &dst_datas)
 884         {
 885                 if(m_fetched.count(name))
 886                         return;
 887                 m_fetched.insert(name);
 888                 std::string base = porting::path_share + DIR_DELIM + "testsounds";
 889                 dst_paths.insert(base + DIR_DELIM + name + ".ogg");
 890                 dst_paths.insert(base + DIR_DELIM + name + "1.ogg");
 891                 dst_paths.insert(base + DIR_DELIM + name + "2.ogg");
 892                 dst_paths.insert(base + DIR_DELIM + name + "3.ogg");
 893                 dst_paths.insert(base + DIR_DELIM + name + "4.ogg");
 894                 dst_paths.insert(base + DIR_DELIM + name + "5.ogg");
 895                 dst_paths.insert(base + DIR_DELIM + name + "6.ogg");
 896                 dst_paths.insert(base + DIR_DELIM + name + "7.ogg");
 897                 dst_paths.insert(base + DIR_DELIM + name + "8.ogg");
 898                 dst_paths.insert(base + DIR_DELIM + name + "9.ogg");
 899         }
 900 };
 901
 902 void the_game(
 903         bool &kill,
 904         bool random_input,
 905         InputHandler *input,
 906         IrrlichtDevice *device,
 907         gui::IGUIFont* font,
 908         std::string map_dir,
 909         std::string playername,
 910         std::string password,
 911         std::string address, // If "", local server is used
 912         u16 port,
 913         std::wstring &error_message,
 914         std::string configpath,
 915         ChatBackend &chat_backend,
 916         const SubgameSpec &gamespec, // Used for local game,
 917         bool simple_singleplayer_mode
 918 )
 919 {
 920         video::IVideoDriver* driver = device->getVideoDriver();
 921         scene::ISceneManager* smgr = device->getSceneManager();
 922
 923         // Calculate text height using the font
 924         u32 text_height = font->getDimension(L"Random test string").Height;
 925
 926         v2u32 screensize(0,0);
 927         v2u32 last_screensize(0,0);
 928         screensize = driver->getScreenSize();
 929
 930         const s32 hotbar_itemcount = 8;
 931         //const s32 hotbar_imagesize = 36;
 932         //const s32 hotbar_imagesize = 64;
 933         s32 hotbar_imagesize = 48;
 934
 935         /*
 936                 Draw "Loading" screen
 937         */
 938
 939         draw_load_screen(L"Loading...", driver, font);
 940
 941         // Create texture source
 942         IWritableTextureSource *tsrc = createTextureSource(device);
 943
 944         // These will be filled by data received from the server
 945         // Create item definition manager
 946         IWritableItemDefManager *itemdef = createItemDefManager();
 947         // Create node definition manager
 948         IWritableNodeDefManager *nodedef = createNodeDefManager();
 949
 950         // Sound fetcher (useful when testing)
 951         GameOnDemandSoundFetcher soundfetcher;
 952
 953         // Sound manager
 954         ISoundManager *sound = NULL;
 955         bool sound_is_dummy = false;
 956 #if USE_SOUND
 957         infostream<<"Attempting to use OpenAL audio"<<std::endl;
 958         sound = createOpenALSoundManager(&soundfetcher);
 959         if(!sound)
 960                 infostream<<"Failed to initialize OpenAL audio"<<std::endl;
 961 #endif
 962         if(!sound){
 963                 infostream<<"Using dummy audio."<<std::endl;
 964                 sound = &dummySoundManager;
 965                 sound_is_dummy = true;
 966         }
 967
 968         // Event manager
 969         EventManager eventmgr;
 970
 971         // Sound maker
 972         SoundMaker soundmaker(sound, nodedef);
 973         soundmaker.registerReceiver(&eventmgr);
 974
 975         // Preload sounds
 976 #if 0
 977         sound->loadSound("default_grass_footstep", porting::path_share + DIR_DELIM
 978                         + "sounds" + DIR_DELIM + "default_grass_walk1.ogg");
 979         sound->loadSound("default_grass_footstep", porting::path_share + DIR_DELIM
 980                         + "sounds" + DIR_DELIM + "default_grass_walk2.ogg");
 981         sound->loadSound("default_grass_footstep", porting::path_share + DIR_DELIM
 982                         + "sounds" + DIR_DELIM + "default_grass_walk3.ogg");
 983
 984         sound->loadSound("default_dig_crumbly", porting::path_share + DIR_DELIM
 985                         + "sounds" + DIR_DELIM + "default_dig_crumbly1.ogg");
 986         sound->loadSound("default_dig_crumbly", porting::path_share + DIR_DELIM
 987                         + "sounds" + DIR_DELIM + "default_dig_crumbly2.ogg");
 988
 989         sound->loadSound("default_dig_cracky", porting::path_share + DIR_DELIM
 990                         + "sounds" + DIR_DELIM + "default_dig_cracky1.ogg");
 991
 992         sound->loadSound("default_place_node", porting::path_share + DIR_DELIM
 993                         + "sounds" + DIR_DELIM + "default_place_node1.ogg");
 994         sound->loadSound("default_place_node", porting::path_share + DIR_DELIM
 995                         + "sounds" + DIR_DELIM + "default_place_node2.ogg");
 996         sound->loadSound("default_place_node", porting::path_share + DIR_DELIM
 997                         + "sounds" + DIR_DELIM + "default_place_node3.ogg");
 998 #endif
 999
1000         // Add chat log output for errors to be shown in chat
1001         LogOutputBuffer chat_log_error_buf(LMT_ERROR);
1002
1003         // Create UI for modifying quicktune values
1004         QuicktuneShortcutter quicktune;
1005
1006         /*
1007                 Create server.
1008                 SharedPtr will delete it when it goes out of scope.
1009         */
1010         SharedPtr<Server> server;
1011         if(address == ""){
1012                 draw_load_screen(L"Creating server...", driver, font);
1013                 infostream<<"Creating server"<<std::endl;
1014                 server = new Server(map_dir, configpath, gamespec,
1015                                 simple_singleplayer_mode);
1016                 server->start(port);
1017         }
1018
1019         do{ // Client scope (breakable do-while(0))
1020
1021         /*
1022                 Create client
1023         */
1024
1025         draw_load_screen(L"Creating client...", driver, font);
1026         infostream<<"Creating client"<<std::endl;
1027
1028         MapDrawControl draw_control;
1029
1030         Client client(device, playername.c_str(), password, draw_control,
1031                         tsrc, itemdef, nodedef, sound, &eventmgr);
1032
1033         // Client acts as our GameDef
1034         IGameDef *gamedef = &client;
1035
1036         draw_load_screen(L"Resolving address...", driver, font);
1037         Address connect_address(0,0,0,0, port);
1038         try{
1039                 if(address == "")
1040                         //connect_address.Resolve("localhost");
1041                         connect_address.setAddress(127,0,0,1);
1042                 else
1043                         connect_address.Resolve(address.c_str());
1044         }
1045         catch(ResolveError &e)
1046         {
1047                 error_message = L"Couldn't resolve address";
1048                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1049                 // Break out of client scope
1050                 break;
1051         }
1052
1053         /*
1054                 Attempt to connect to the server
1055         */
1056
1057         infostream<<"Connecting to server at ";
1058         connect_address.print(&infostream);
1059         infostream<<std::endl;
1060         client.connect(connect_address);
1061
1062         /*
1063                 Wait for server to accept connection
1064         */
1065         bool could_connect = false;
1066         bool connect_aborted = false;
1067         try{
1068                 float frametime = 0.033;
1069                 float time_counter = 0.0;
1070                 input->clear();
1071                 while(device->run())
1072                 {
1073                         // Update client and server
1074                         client.step(frametime);
1075                         if(server != NULL)
1076                                 server->step(frametime);
1077
1078                         // End condition
1079                         if(client.connectedAndInitialized()){
1080                                 could_connect = true;
1081                                 break;
1082                         }
1083                         // Break conditions
1084                         if(client.accessDenied()){
1085                                 error_message = L"Access denied. Reason: "
1086                                                 +client.accessDeniedReason();
1087                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1088                                 break;
1089                         }
1090                         if(input->wasKeyDown(EscapeKey)){
1091                                 connect_aborted = true;
1092                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1093                                 break;
1094                         }
1095
1096                         // Display status
1097                         std::wostringstream ss;
1098                         ss<<L"Connecting to server... (press Escape to cancel)\n";
1099                         std::wstring animation = L"/-\\|";
1100                         ss<<animation[(int)(time_counter/0.2)%4];
1101                         draw_load_screen(ss.str(), driver, font);
1102
1103                         // Delay a bit
1104                         sleep_ms(1000*frametime);
1105                         time_counter += frametime;
1106                 }
1107         }
1108         catch(con::PeerNotFoundException &e)
1109         {}
1110
1111         /*
1112                 Handle failure to connect
1113         */
1114         if(!could_connect){
1115                 if(error_message == L"" && !connect_aborted){
1116                         error_message = L"Connection failed";
1117                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1118                 }
1119                 // Break out of client scope
1120                 break;
1121         }
1122
1123         /*
1124                 Wait until content has been received
1125         */
1126         bool got_content = false;
1127         bool content_aborted = false;
1128         {
1129                 float frametime = 0.033;
1130                 float time_counter = 0.0;
1131                 input->clear();
1132                 while(device->run())
1133                 {
1134                         // Update client and server
1135                         client.step(frametime);
1136                         if(server != NULL)
1137                                 server->step(frametime);
1138
1139                         // End condition
1140                         if(client.texturesReceived() &&
1141                                         client.itemdefReceived() &&
1142                                         client.nodedefReceived()){
1143                                 got_content = true;
1144                                 break;
1145                         }
1146                         // Break conditions
1147                         if(!client.connectedAndInitialized()){
1148                                 error_message = L"Client disconnected";
1149                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1150                                 break;
1151                         }
1152                         if(input->wasKeyDown(EscapeKey)){
1153                                 content_aborted = true;
1154                                 infostream<<"Connect aborted [Escape]"<<std::endl;
1155                                 break;
1156                         }
1157
1158                         // Display status
1159                         std::wostringstream ss;
1160                         ss<<L"Waiting content... (press Escape to cancel)\n";
1161
1162                         ss<<(client.itemdefReceived()?L"[X]":L"[  ]");
1163                         ss<<L" Item definitions\n";
1164                         ss<<(client.nodedefReceived()?L"[X]":L"[  ]");
1165                         ss<<L" Node definitions\n";
1166                         ss<<L"["<<(int)(client.mediaReceiveProgress()*100+0.5)<<L"%] ";
1167                         ss<<L" Media\n";
1168
1169                         draw_load_screen(ss.str(), driver, font);
1170
1171                         // Delay a bit
1172                         sleep_ms(1000*frametime);
1173                         time_counter += frametime;
1174                 }
1175         }
1176
1177         if(!got_content){
1178                 if(error_message == L"" && !content_aborted){
1179                         error_message = L"Something failed";
1180                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1181                 }
1182                 // Break out of client scope
1183                 break;
1184         }
1185
1186         /*
1187                 After all content has been received:
1188                 Update cached textures, meshes and materials
1189         */
1190         client.afterContentReceived();
1191
1192         /*
1193                 Create the camera node
1194         */
1195         Camera camera(smgr, draw_control, gamedef);
1196         if (!camera.successfullyCreated(error_message))
1197                 return;
1198
1199         f32 camera_yaw = 0; // "right/left"
1200         f32 camera_pitch = 0; // "up/down"
1201
1202         /*
1203                 Clouds
1204         */
1205
1206         Clouds *clouds = NULL;
1207         if(g_settings->getBool("enable_clouds"))
1208         {
1209                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1, time(0));
1210         }
1211
1212         /*
1213                 Skybox thingy
1214         */
1215
1216         Sky *sky = NULL;
1217         sky = new Sky(smgr->getRootSceneNode(), smgr, -1);
1218
1219         /*
1220                 FarMesh
1221         */
1222
1223         FarMesh *farmesh = NULL;
1224         if(g_settings->getBool("enable_farmesh"))
1225         {
1226                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
1227         }
1228
1229         /*
1230                 A copy of the local inventory
1231         */
1232         Inventory local_inventory(itemdef);
1233
1234         /*
1235                 Add some gui stuff
1236         */
1237
1238         // First line of debug text
1239         gui::IGUIStaticText *guitext = guienv->addStaticText(
1240                         L"Minetest-c55",
1241                         core::rect<s32>(5, 5, 795, 5+text_height),
1242                         false, false);
1243         // Second line of debug text
1244         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
1245                         L"",
1246                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
1247                         false, false);
1248         // At the middle of the screen
1249         // Object infos are shown in this
1250         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
1251                         L"",
1252                         core::rect<s32>(0,0,400,text_height*5+5) + v2s32(100,200),
1253                         false, false);
1254
1255         // Status text (displays info when showing and hiding GUI stuff, etc.)
1256         gui::IGUIStaticText *guitext_status = guienv->addStaticText(
1257                         L"<Status>",
1258                         core::rect<s32>(0,0,0,0),
1259                         false, false);
1260         guitext_status->setVisible(false);
1261
1262         std::wstring statustext;
1263         float statustext_time = 0;
1264
1265         // Chat text
1266         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
1267                         L"",
1268                         core::rect<s32>(0,0,0,0),
1269                         //false, false); // Disable word wrap as of now
1270                         false, true);
1271         // Remove stale "recent" chat messages from previous connections
1272         chat_backend.clearRecentChat();
1273         // Chat backend and console
1274         GUIChatConsole *gui_chat_console = new GUIChatConsole(guienv, guienv->getRootGUIElement(), -1, &chat_backend, &client);
1275
1276         // Profiler text (size is updated when text is updated)
1277         gui::IGUIStaticText *guitext_profiler = guienv->addStaticText(
1278                         L"<Profiler>",
1279                         core::rect<s32>(0,0,0,0),
1280                         false, false);
1281         guitext_profiler->setBackgroundColor(video::SColor(120,0,0,0));
1282         guitext_profiler->setVisible(false);
1283
1284         /*
1285                 Some statistics are collected in these
1286         */
1287         u32 drawtime = 0;
1288         u32 beginscenetime = 0;
1289         u32 scenetime = 0;
1290         u32 endscenetime = 0;
1291
1292         float recent_turn_speed = 0.0;
1293
1294         ProfilerGraph graph;
1295         // Initially clear the profiler
1296         Profiler::GraphValues dummyvalues;
1297         g_profiler->graphGet(dummyvalues);
1298
1299         float nodig_delay_timer = 0.0;
1300         float dig_time = 0.0;
1301         u16 dig_index = 0;
1302         PointedThing pointed_old;
1303         bool digging = false;
1304         bool ldown_for_dig = false;
1305
1306         float damage_flash_timer = 0;
1307         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1308
1309         const float object_hit_delay = 0.2;
1310         float object_hit_delay_timer = 0.0;
1311         float time_from_last_punch = 10;
1312
1313         bool invert_mouse = g_settings->getBool("invert_mouse");
1314
1315         bool respawn_menu_active = false;
1316         bool update_wielded_item_trigger = false;
1317
1318         bool show_hud = true;
1319         bool show_chat = true;
1320         bool force_fog_off = false;
1321         bool disable_camera_update = false;
1322         bool show_debug = g_settings->getBool("show_debug");
1323         bool show_profiler_graph = false;
1324         u32 show_profiler = 0;
1325         u32 show_profiler_max = 3;  // Number of pages
1326
1327         float time_of_day = 0;
1328         float time_of_day_smooth = 0;
1329
1330         /*
1331                 Main loop
1332         */
1333
1334         bool first_loop_after_window_activation = true;
1335
1336         // TODO: Convert the static interval timers to these
1337         // Interval limiter for profiler
1338         IntervalLimiter m_profiler_interval;
1339
1340         // Time is in milliseconds
1341         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1342         // NOTE: So we have to use getTime() and call run()s between them
1343         u32 lasttime = device->getTimer()->getTime();
1344
1345         for(;;)
1346         {
1347                 if(device->run() == false || kill == true)
1348                         break;
1349
1350                 // Time of frame without fps limit
1351                 float busytime;
1352                 u32 busytime_u32;
1353                 {
1354                         // not using getRealTime is necessary for wine
1355                         u32 time = device->getTimer()->getTime();
1356                         if(time > lasttime)
1357                                 busytime_u32 = time - lasttime;
1358                         else
1359                                 busytime_u32 = 0;
1360                         busytime = busytime_u32 / 1000.0;
1361                 }
1362
1363                 g_profiler->graphAdd("mainloop_other", busytime - (float)drawtime/1000.0f);
1364
1365                 // Necessary for device->getTimer()->getTime()
1366                 device->run();
1367
1368                 /*
1369                         FPS limiter
1370                 */
1371
1372                 {
1373                         float fps_max = g_settings->getFloat("fps_max");
1374                         u32 frametime_min = 1000./fps_max;
1375
1376                         if(busytime_u32 < frametime_min)
1377                         {
1378                                 u32 sleeptime = frametime_min - busytime_u32;
1379                                 device->sleep(sleeptime);
1380                                 g_profiler->graphAdd("mainloop_sleep", (float)sleeptime/1000.0f);
1381                         }
1382                 }
1383
1384                 // Necessary for device->getTimer()->getTime()
1385                 device->run();
1386
1387                 /*
1388                         Time difference calculation
1389                 */
1390                 f32 dtime; // in seconds
1391
1392                 u32 time = device->getTimer()->getTime();
1393                 if(time > lasttime)
1394                         dtime = (time - lasttime) / 1000.0;
1395                 else
1396                         dtime = 0;
1397                 lasttime = time;
1398
1399                 g_profiler->graphAdd("mainloop_dtime", dtime);
1400
1401                 /* Run timers */
1402
1403                 if(nodig_delay_timer >= 0)
1404                         nodig_delay_timer -= dtime;
1405                 if(object_hit_delay_timer >= 0)
1406                         object_hit_delay_timer -= dtime;
1407                 time_from_last_punch += dtime;
1408
1409                 g_profiler->add("Elapsed time", dtime);
1410                 g_profiler->avg("FPS", 1./dtime);
1411
1412                 /*
1413                         Time average and jitter calculation
1414                 */
1415
1416                 static f32 dtime_avg1 = 0.0;
1417                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1418                 f32 dtime_jitter1 = dtime - dtime_avg1;
1419
1420                 static f32 dtime_jitter1_max_sample = 0.0;
1421                 static f32 dtime_jitter1_max_fraction = 0.0;
1422                 {
1423                         static f32 jitter1_max = 0.0;
1424                         static f32 counter = 0.0;
1425                         if(dtime_jitter1 > jitter1_max)
1426                                 jitter1_max = dtime_jitter1;
1427                         counter += dtime;
1428                         if(counter > 0.0)
1429                         {
1430                                 counter -= 3.0;
1431                                 dtime_jitter1_max_sample = jitter1_max;
1432                                 dtime_jitter1_max_fraction
1433                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1434                                 jitter1_max = 0.0;
1435                         }
1436                 }
1437
1438                 /*
1439                         Busytime average and jitter calculation
1440                 */
1441
1442                 static f32 busytime_avg1 = 0.0;
1443                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1444                 f32 busytime_jitter1 = busytime - busytime_avg1;
1445
1446                 static f32 busytime_jitter1_max_sample = 0.0;
1447                 static f32 busytime_jitter1_min_sample = 0.0;
1448                 {
1449                         static f32 jitter1_max = 0.0;
1450                         static f32 jitter1_min = 0.0;
1451                         static f32 counter = 0.0;
1452                         if(busytime_jitter1 > jitter1_max)
1453                                 jitter1_max = busytime_jitter1;
1454                         if(busytime_jitter1 < jitter1_min)
1455                                 jitter1_min = busytime_jitter1;
1456                         counter += dtime;
1457                         if(counter > 0.0){
1458                                 counter -= 3.0;
1459                                 busytime_jitter1_max_sample = jitter1_max;
1460                                 busytime_jitter1_min_sample = jitter1_min;
1461                                 jitter1_max = 0.0;
1462                                 jitter1_min = 0.0;
1463                         }
1464                 }
1465
1466                 /*
1467                         Handle miscellaneous stuff
1468                 */
1469
1470                 if(client.accessDenied())
1471                 {
1472                         error_message = L"Access denied. Reason: "
1473                                         +client.accessDeniedReason();
1474                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1475                         break;
1476                 }
1477
1478                 if(g_gamecallback->disconnect_requested)
1479                 {
1480                         g_gamecallback->disconnect_requested = false;
1481                         break;
1482                 }
1483
1484                 if(g_gamecallback->changepassword_requested)
1485                 {
1486                         (new GUIPasswordChange(guienv, guiroot, -1,
1487                                 &g_menumgr, &client))->drop();
1488                         g_gamecallback->changepassword_requested = false;
1489                 }
1490
1491                 /*
1492                         Process TextureSource's queue
1493                 */
1494                 tsrc->processQueue();
1495
1496                 /*
1497                         Random calculations
1498                 */
1499                 last_screensize = screensize;
1500                 screensize = driver->getScreenSize();
1501                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1502                 //bool screensize_changed = screensize != last_screensize;
1503
1504                 // Resize hotbar
1505                 if(screensize.Y <= 800)
1506                         hotbar_imagesize = 32;
1507                 else if(screensize.Y <= 1280)
1508                         hotbar_imagesize = 48;
1509                 else
1510                         hotbar_imagesize = 64;
1511
1512                 // Hilight boxes collected during the loop and displayed
1513                 core::list< core::aabbox3d<f32> > hilightboxes;
1514
1515                 // Info text
1516                 std::wstring infotext;
1517
1518                 /*
1519                         Debug info for client
1520                 */
1521                 {
1522                         static float counter = 0.0;
1523                         counter -= dtime;
1524                         if(counter < 0)
1525                         {
1526                                 counter = 30.0;
1527                                 client.printDebugInfo(infostream);
1528                         }
1529                 }
1530
1531                 /*
1532                         Profiler
1533                 */
1534                 float profiler_print_interval =
1535                                 g_settings->getFloat("profiler_print_interval");
1536                 bool print_to_log = true;
1537                 if(profiler_print_interval == 0){
1538                         print_to_log = false;
1539                         profiler_print_interval = 5;
1540                 }
1541                 if(m_profiler_interval.step(dtime, profiler_print_interval))
1542                 {
1543                         if(print_to_log){
1544                                 infostream<<"Profiler:"<<std::endl;
1545                                 g_profiler->print(infostream);
1546                         }
1547
1548                         update_profiler_gui(guitext_profiler, font, text_height,
1549                                         show_profiler, show_profiler_max);
1550
1551                         g_profiler->clear();
1552                 }
1553
1554                 /*
1555                         Direct handling of user input
1556                 */
1557
1558                 // Reset input if window not active or some menu is active
1559                 if(device->isWindowActive() == false
1560                                 || noMenuActive() == false
1561                                 || guienv->hasFocus(gui_chat_console))
1562                 {
1563                         input->clear();
1564                 }
1565
1566                 // Input handler step() (used by the random input generator)
1567                 input->step(dtime);
1568
1569                 /*
1570                         Launch menus and trigger stuff according to keys
1571                 */
1572                 if(input->wasKeyDown(getKeySetting("keymap_drop")))
1573                 {
1574                         // drop selected item
1575                         IDropAction *a = new IDropAction();
1576                         a->count = 0;
1577                         a->from_inv.setCurrentPlayer();
1578                         a->from_list = "main";
1579                         a->from_i = client.getPlayerItem();
1580                         client.inventoryAction(a);
1581                 }
1582                 else if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1583                 {
1584                         infostream<<"the_game: "
1585                                         <<"Launching inventory"<<std::endl;
1586
1587                         GUIInventoryMenu *menu =
1588                                 new GUIInventoryMenu(guienv, guiroot, -1,
1589                                         &g_menumgr, v2s16(8,7),
1590                                         &client, gamedef);
1591
1592                         InventoryLocation inventoryloc;
1593                         inventoryloc.setCurrentPlayer();
1594
1595                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1596                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1597                                         "list", inventoryloc, "main",
1598                                         v2s32(0, 3), v2s32(8, 4)));
1599                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1600                                         "list", inventoryloc, "craft",
1601                                         v2s32(3, 0), v2s32(3, 3)));
1602                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1603                                         "list", inventoryloc, "craftpreview",
1604                                         v2s32(7, 1), v2s32(1, 1)));
1605
1606                         menu->setDrawSpec(draw_spec);
1607
1608                         menu->drop();
1609                 }
1610                 else if(input->wasKeyDown(EscapeKey))
1611                 {
1612                         infostream<<"the_game: "
1613                                         <<"Launching pause menu"<<std::endl;
1614                         // It will delete itself by itself
1615                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1616                                         &g_menumgr, simple_singleplayer_mode))->drop();
1617
1618                         // Move mouse cursor on top of the disconnect button
1619                         if(simple_singleplayer_mode)
1620                                 input->setMousePos(displaycenter.X, displaycenter.Y+0);
1621                         else
1622                                 input->setMousePos(displaycenter.X, displaycenter.Y+25);
1623                 }
1624                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1625                 {
1626                         TextDest *dest = new TextDestChat(&client);
1627
1628                         (new GUITextInputMenu(guienv, guiroot, -1,
1629                                         &g_menumgr, dest,
1630                                         L""))->drop();
1631                 }
1632                 else if(input->wasKeyDown(getKeySetting("keymap_cmd")))
1633                 {
1634                         TextDest *dest = new TextDestChat(&client);
1635
1636                         (new GUITextInputMenu(guienv, guiroot, -1,
1637                                         &g_menumgr, dest,
1638                                         L"/"))->drop();
1639                 }
1640                 else if(input->wasKeyDown(getKeySetting("keymap_console")))
1641                 {
1642                         if (!gui_chat_console->isOpenInhibited())
1643                         {
1644                                 // Open up to over half of the screen
1645                                 gui_chat_console->openConsole(0.6);
1646                                 guienv->setFocus(gui_chat_console);
1647                         }
1648                 }
1649                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1650                 {
1651                         if(g_settings->getBool("free_move"))
1652                         {
1653                                 g_settings->set("free_move","false");
1654                                 statustext = L"free_move disabled";
1655                                 statustext_time = 0;
1656                         }
1657                         else
1658                         {
1659                                 g_settings->set("free_move","true");
1660                                 statustext = L"free_move enabled";
1661                                 statustext_time = 0;
1662                         }
1663                 }
1664                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1665                 {
1666                         if(g_settings->getBool("fast_move"))
1667                         {
1668                                 g_settings->set("fast_move","false");
1669                                 statustext = L"fast_move disabled";
1670                                 statustext_time = 0;
1671                         }
1672                         else
1673                         {
1674                                 g_settings->set("fast_move","true");
1675                                 statustext = L"fast_move enabled";
1676                                 statustext_time = 0;
1677                         }
1678                 }
1679                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1680                 {
1681                         irr::video::IImage* const image = driver->createScreenShot();
1682                         if (image) {
1683                                 irr::c8 filename[256];
1684                                 snprintf(filename, 256, "%s" DIR_DELIM "screenshot_%u.png",
1685                                                  g_settings->get("screenshot_path").c_str(),
1686                                                  device->getTimer()->getRealTime());
1687                                 if (driver->writeImageToFile(image, filename)) {
1688                                         std::wstringstream sstr;
1689                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1690                                         infostream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1691                                         statustext = sstr.str();
1692                                         statustext_time = 0;
1693                                 } else{
1694                                         infostream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1695                                 }
1696                                 image->drop();
1697                         }
1698                 }
1699                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_hud")))
1700                 {
1701                         show_hud = !show_hud;
1702                         if(show_hud)
1703                                 statustext = L"HUD shown";
1704                         else
1705                                 statustext = L"HUD hidden";
1706                         statustext_time = 0;
1707                 }
1708                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_chat")))
1709                 {
1710                         show_chat = !show_chat;
1711                         if(show_chat)
1712                                 statustext = L"Chat shown";
1713                         else
1714                                 statustext = L"Chat hidden";
1715                         statustext_time = 0;
1716                 }
1717                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_force_fog_off")))
1718                 {
1719                         force_fog_off = !force_fog_off;
1720                         if(force_fog_off)
1721                                 statustext = L"Fog disabled";
1722                         else
1723                                 statustext = L"Fog enabled";
1724                         statustext_time = 0;
1725                 }
1726                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_update_camera")))
1727                 {
1728                         disable_camera_update = !disable_camera_update;
1729                         if(disable_camera_update)
1730                                 statustext = L"Camera update disabled";
1731                         else
1732                                 statustext = L"Camera update enabled";
1733                         statustext_time = 0;
1734                 }
1735                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_debug")))
1736                 {
1737                         // Initial / 3x toggle: Chat only
1738                         // 1x toggle: Debug text with chat
1739                         // 2x toggle: Debug text with profiler graph
1740                         if(!show_debug)
1741                         {
1742                                 show_debug = true;
1743                                 show_profiler_graph = false;
1744                                 statustext = L"Debug info shown";
1745                                 statustext_time = 0;
1746                         }
1747                         else if(show_profiler_graph)
1748                         {
1749                                 show_debug = false;
1750                                 show_profiler_graph = false;
1751                                 statustext = L"Debug info and profiler graph hidden";
1752                                 statustext_time = 0;
1753                         }
1754                         else
1755                         {
1756                                 show_profiler_graph = true;
1757                                 statustext = L"Profiler graph shown";
1758                                 statustext_time = 0;
1759                         }
1760                 }
1761                 else if(input->wasKeyDown(getKeySetting("keymap_toggle_profiler")))
1762                 {
1763                         show_profiler = (show_profiler + 1) % (show_profiler_max + 1);
1764
1765                         // FIXME: This updates the profiler with incomplete values
1766                         update_profiler_gui(guitext_profiler, font, text_height,
1767                                         show_profiler, show_profiler_max);
1768
1769                         if(show_profiler != 0)
1770                         {
1771                                 std::wstringstream sstr;
1772                                 sstr<<"Profiler shown (page "<<show_profiler
1773                                         <<" of "<<show_profiler_max<<")";
1774                                 statustext = sstr.str();
1775                                 statustext_time = 0;
1776                         }
1777                         else
1778                         {
1779                                 statustext = L"Profiler hidden";
1780                                 statustext_time = 0;
1781                         }
1782                 }
1783                 else if(input->wasKeyDown(getKeySetting("keymap_increase_viewing_range_min")))
1784                 {
1785                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1786                         s16 range_new = range + 10;
1787                         g_settings->set("viewing_range_nodes_min", itos(range_new));
1788                         statustext = narrow_to_wide(
1789                                         "Minimum viewing range changed to "
1790                                         + itos(range_new));
1791                         statustext_time = 0;
1792                 }
1793                 else if(input->wasKeyDown(getKeySetting("keymap_decrease_viewing_range_min")))
1794                 {
1795                         s16 range = g_settings->getS16("viewing_range_nodes_min");
1796                         s16 range_new = range - 10;
1797                         if(range_new < 0)
1798                                 range_new = range;
1799                         g_settings->set("viewing_range_nodes_min",
1800                                         itos(range_new));
1801                         statustext = narrow_to_wide(
1802                                         "Minimum viewing range changed to "
1803                                         + itos(range_new));
1804                         statustext_time = 0;
1805                 }
1806
1807                 // Handle QuicktuneShortcutter
1808                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_next")))
1809                         quicktune.next();
1810                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_prev")))
1811                         quicktune.prev();
1812                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_inc")))
1813                         quicktune.inc();
1814                 if(input->wasKeyDown(getKeySetting("keymap_quicktune_dec")))
1815                         quicktune.dec();
1816                 {
1817                         std::string msg = quicktune.getMessage();
1818                         if(msg != ""){
1819                                 statustext = narrow_to_wide(msg);
1820                                 statustext_time = 0;
1821                         }
1822                 }
1823
1824                 // Item selection with mouse wheel
1825                 u16 new_playeritem = client.getPlayerItem();
1826                 {
1827                         s32 wheel = input->getMouseWheel();
1828                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1829                                         hotbar_itemcount-1);
1830
1831                         if(wheel < 0)
1832                         {
1833                                 if(new_playeritem < max_item)
1834                                         new_playeritem++;
1835                                 else
1836                                         new_playeritem = 0;
1837                         }
1838                         else if(wheel > 0)
1839                         {
1840                                 if(new_playeritem > 0)
1841                                         new_playeritem--;
1842                                 else
1843                                         new_playeritem = max_item;
1844                         }
1845                 }
1846
1847                 // Item selection
1848                 for(u16 i=0; i<10; i++)
1849                 {
1850                         const KeyPress *kp = NumberKey + (i + 1) % 10;
1851                         if(input->wasKeyDown(*kp))
1852                         {
1853                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1854                                 {
1855                                         new_playeritem = i;
1856
1857                                         infostream<<"Selected item: "
1858                                                         <<new_playeritem<<std::endl;
1859                                 }
1860                         }
1861                 }
1862
1863                 // Viewing range selection
1864                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1865                 {
1866                         draw_control.range_all = !draw_control.range_all;
1867                         if(draw_control.range_all)
1868                         {
1869                                 infostream<<"Enabled full viewing range"<<std::endl;
1870                                 statustext = L"Enabled full viewing range";
1871                                 statustext_time = 0;
1872                         }
1873                         else
1874                         {
1875                                 infostream<<"Disabled full viewing range"<<std::endl;
1876                                 statustext = L"Disabled full viewing range";
1877                                 statustext_time = 0;
1878                         }
1879                 }
1880
1881                 // Print debug stacks
1882                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1883                 {
1884                         dstream<<"-----------------------------------------"
1885                                         <<std::endl;
1886                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1887                         dstream<<"-----------------------------------------"
1888                                         <<std::endl;
1889                         debug_stacks_print();
1890                 }
1891
1892                 /*
1893                         Mouse and camera control
1894                         NOTE: Do this before client.setPlayerControl() to not cause a camera lag of one frame
1895                 */
1896
1897                 float turn_amount = 0;
1898                 if((device->isWindowActive() && noMenuActive()) || random_input)
1899                 {
1900                         if(!random_input)
1901                         {
1902                                 // Mac OSX gets upset if this is set every frame
1903                                 if(device->getCursorControl()->isVisible())
1904                                         device->getCursorControl()->setVisible(false);
1905                         }
1906
1907                         if(first_loop_after_window_activation){
1908                                 //infostream<<"window active, first loop"<<std::endl;
1909                                 first_loop_after_window_activation = false;
1910                         }
1911                         else{
1912                                 s32 dx = input->getMousePos().X - displaycenter.X;
1913                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1914                                 if(invert_mouse)
1915                                         dy = -dy;
1916                                 //infostream<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1917
1918                                 /*const float keyspeed = 500;
1919                                 if(input->isKeyDown(irr::KEY_UP))
1920                                         dy -= dtime * keyspeed;
1921                                 if(input->isKeyDown(irr::KEY_DOWN))
1922                                         dy += dtime * keyspeed;
1923                                 if(input->isKeyDown(irr::KEY_LEFT))
1924                                         dx -= dtime * keyspeed;
1925                                 if(input->isKeyDown(irr::KEY_RIGHT))
1926                                         dx += dtime * keyspeed;*/
1927
1928                                 float d = 0.2;
1929                                 camera_yaw -= dx*d;
1930                                 camera_pitch += dy*d;
1931                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1932                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1933
1934                                 turn_amount = v2f(dx, dy).getLength() * d;
1935                         }
1936                         input->setMousePos(displaycenter.X, displaycenter.Y);
1937                 }
1938                 else{
1939                         // Mac OSX gets upset if this is set every frame
1940                         if(device->getCursorControl()->isVisible() == false)
1941                                 device->getCursorControl()->setVisible(true);
1942
1943                         //infostream<<"window inactive"<<std::endl;
1944                         first_loop_after_window_activation = true;
1945                 }
1946                 recent_turn_speed = recent_turn_speed * 0.9 + turn_amount * 0.1;
1947                 //std::cerr<<"recent_turn_speed = "<<recent_turn_speed<<std::endl;
1948
1949                 /*
1950                         Player speed control
1951                 */
1952                 {
1953                         /*bool a_up,
1954                         bool a_down,
1955                         bool a_left,
1956                         bool a_right,
1957                         bool a_jump,
1958                         bool a_superspeed,
1959                         bool a_sneak,
1960                         float a_pitch,
1961                         float a_yaw*/
1962                         PlayerControl control(
1963                                 input->isKeyDown(getKeySetting("keymap_forward")),
1964                                 input->isKeyDown(getKeySetting("keymap_backward")),
1965                                 input->isKeyDown(getKeySetting("keymap_left")),
1966                                 input->isKeyDown(getKeySetting("keymap_right")),
1967                                 input->isKeyDown(getKeySetting("keymap_jump")),
1968                                 input->isKeyDown(getKeySetting("keymap_special1")),
1969                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1970                                 camera_pitch,
1971                                 camera_yaw
1972                         );
1973                         client.setPlayerControl(control);
1974                 }
1975
1976                 /*
1977                         Run server
1978                 */
1979
1980                 if(server != NULL)
1981                 {
1982                         //TimeTaker timer("server->step(dtime)");
1983                         server->step(dtime);
1984                 }
1985
1986                 /*
1987                         Process environment
1988                 */
1989
1990                 {
1991                         //TimeTaker timer("client.step(dtime)");
1992                         client.step(dtime);
1993                         //client.step(dtime_avg1);
1994                 }
1995
1996                 {
1997                         // Read client events
1998                         for(;;)
1999                         {
2000                                 ClientEvent event = client.getClientEvent();
2001                                 if(event.type == CE_NONE)
2002                                 {
2003                                         break;
2004                                 }
2005                                 else if(event.type == CE_PLAYER_DAMAGE)
2006                                 {
2007                                         //u16 damage = event.player_damage.amount;
2008                                         //infostream<<"Player damage: "<<damage<<std::endl;
2009                                         damage_flash_timer = 0.05;
2010                                         if(event.player_damage.amount >= 2){
2011                                                 damage_flash_timer += 0.05 * event.player_damage.amount;
2012                                         }
2013                                 }
2014                                 else if(event.type == CE_PLAYER_FORCE_MOVE)
2015                                 {
2016                                         camera_yaw = event.player_force_move.yaw;
2017                                         camera_pitch = event.player_force_move.pitch;
2018                                 }
2019                                 else if(event.type == CE_DEATHSCREEN)
2020                                 {
2021                                         if(respawn_menu_active)
2022                                                 continue;
2023
2024                                         /*bool set_camera_point_target =
2025                                                         event.deathscreen.set_camera_point_target;
2026                                         v3f camera_point_target;
2027                                         camera_point_target.X = event.deathscreen.camera_point_target_x;
2028                                         camera_point_target.Y = event.deathscreen.camera_point_target_y;
2029                                         camera_point_target.Z = event.deathscreen.camera_point_target_z;*/
2030                                         MainRespawnInitiator *respawner =
2031                                                         new MainRespawnInitiator(
2032                                                                         &respawn_menu_active, &client);
2033                                         GUIDeathScreen *menu =
2034                                                         new GUIDeathScreen(guienv, guiroot, -1,
2035                                                                 &g_menumgr, respawner);
2036                                         menu->drop();
2037
2038                                         chat_backend.addMessage(L"", L"You died.");
2039
2040                                         /* Handle visualization */
2041
2042                                         damage_flash_timer = 0;
2043
2044                                         /*LocalPlayer* player = client.getLocalPlayer();
2045                                         player->setPosition(player->getPosition() + v3f(0,-BS,0));
2046                                         camera.update(player, busytime, screensize);*/
2047                                 }
2048                                 else if(event.type == CE_TEXTURES_UPDATED)
2049                                 {
2050                                         update_wielded_item_trigger = true;
2051                                 }
2052                         }
2053                 }
2054
2055                 //TimeTaker //timer2("//timer2");
2056
2057                 /*
2058                         For interaction purposes, get info about the held item
2059                         - What item is it?
2060                         - Is it a usable item?
2061                         - Can it point to liquids?
2062                 */
2063                 ItemStack playeritem;
2064                 bool playeritem_usable = false;
2065                 bool playeritem_liquids_pointable = false;
2066                 {
2067                         InventoryList *mlist = local_inventory.getList("main");
2068                         if(mlist != NULL)
2069                         {
2070                                 playeritem = mlist->getItem(client.getPlayerItem());
2071                                 playeritem_usable = playeritem.getDefinition(itemdef).usable;
2072                                 playeritem_liquids_pointable = playeritem.getDefinition(itemdef).liquids_pointable;
2073                         }
2074                 }
2075                 ToolCapabilities playeritem_toolcap =
2076                                 playeritem.getToolCapabilities(itemdef);
2077
2078                 /*
2079                         Update camera
2080                 */
2081
2082                 LocalPlayer* player = client.getEnv().getLocalPlayer();
2083                 float full_punch_interval = playeritem_toolcap.full_punch_interval;
2084                 float tool_reload_ratio = time_from_last_punch / full_punch_interval;
2085                 tool_reload_ratio = MYMIN(tool_reload_ratio, 1.0);
2086                 camera.update(player, busytime, screensize, tool_reload_ratio);
2087                 camera.step(dtime);
2088
2089                 v3f player_position = player->getPosition();
2090                 v3f camera_position = camera.getPosition();
2091                 v3f camera_direction = camera.getDirection();
2092                 f32 camera_fov = camera.getFovMax();
2093
2094                 if(!disable_camera_update){
2095                         client.getEnv().getClientMap().updateCamera(camera_position,
2096                                 camera_direction, camera_fov);
2097                 }
2098
2099                 // Update sound listener
2100                 sound->updateListener(camera.getCameraNode()->getPosition(),
2101                                 v3f(0,0,0), // velocity
2102                                 camera.getCameraNode()->getTarget(),
2103                                 camera.getCameraNode()->getUpVector());
2104
2105                 /*
2106                         Update sound maker
2107                 */
2108                 {
2109                         soundmaker.step(dtime);
2110
2111                         ClientMap &map = client.getEnv().getClientMap();
2112                         MapNode n = map.getNodeNoEx(player->getStandingNodePos());
2113                         soundmaker.m_player_step_sound = nodedef->get(n).sound_footstep;
2114                 }
2115
2116                 /*
2117                         Calculate what block is the crosshair pointing to
2118                 */
2119
2120                 //u32 t1 = device->getTimer()->getRealTime();
2121
2122                 f32 d = 4; // max. distance
2123                 core::line3d<f32> shootline(camera_position,
2124                                 camera_position + camera_direction * BS * (d+1));
2125
2126                 core::aabbox3d<f32> hilightbox;
2127                 bool should_show_hilightbox = false;
2128                 ClientActiveObject *selected_object = NULL;
2129
2130                 PointedThing pointed = getPointedThing(
2131                                 // input
2132                                 &client, player_position, camera_direction,
2133                                 camera_position, shootline, d,
2134                                 playeritem_liquids_pointable, !ldown_for_dig,
2135                                 // output
2136                                 hilightbox, should_show_hilightbox,
2137                                 selected_object);
2138
2139                 if(pointed != pointed_old)
2140                 {
2141                         infostream<<"Pointing at "<<pointed.dump()<<std::endl;
2142                         //dstream<<"Pointing at "<<pointed.dump()<<std::endl;
2143                 }
2144
2145                 /*
2146                         Visualize selection
2147                 */
2148                 if(should_show_hilightbox)
2149                         hilightboxes.push_back(hilightbox);
2150
2151                 /*
2152                         Stop digging when
2153                         - releasing left mouse button
2154                         - pointing away from node
2155                 */
2156                 if(digging)
2157                 {
2158                         if(input->getLeftReleased())
2159                         {
2160                                 infostream<<"Left button released"
2161                                         <<" (stopped digging)"<<std::endl;
2162                                 digging = false;
2163                         }
2164                         else if(pointed != pointed_old)
2165                         {
2166                                 if (pointed.type == POINTEDTHING_NODE
2167                                         && pointed_old.type == POINTEDTHING_NODE
2168                                         && pointed.node_undersurface == pointed_old.node_undersurface)
2169                                 {
2170                                         // Still pointing to the same node,
2171                                         // but a different face. Don't reset.
2172                                 }
2173                                 else
2174                                 {
2175                                         infostream<<"Pointing away from node"
2176                                                 <<" (stopped digging)"<<std::endl;
2177                                         digging = false;
2178                                 }
2179                         }
2180                         if(!digging)
2181                         {
2182                                 client.interact(1, pointed_old);
2183                                 client.setCrack(-1, v3s16(0,0,0));
2184                                 dig_time = 0.0;
2185                         }
2186                 }
2187                 if(!digging && ldown_for_dig && !input->getLeftState())
2188                 {
2189                         ldown_for_dig = false;
2190                 }
2191
2192                 bool left_punch = false;
2193                 soundmaker.m_player_leftpunch_sound.name = "";
2194
2195                 if(playeritem_usable && input->getLeftState())
2196                 {
2197                         if(input->getLeftClicked())
2198                                 client.interact(4, pointed);
2199                 }
2200                 else if(pointed.type == POINTEDTHING_NODE)
2201                 {
2202                         v3s16 nodepos = pointed.node_undersurface;
2203                         v3s16 neighbourpos = pointed.node_abovesurface;
2204
2205                         /*
2206                                 Check information text of node
2207                         */
2208
2209                         ClientMap &map = client.getEnv().getClientMap();
2210                         NodeMetadata *meta = map.getNodeMetadata(nodepos);
2211                         if(meta){
2212                                 infotext = narrow_to_wide(meta->infoText());
2213                         } else {
2214                                 MapNode n = map.getNode(nodepos);
2215                                 if(nodedef->get(n).tname_tiles[0] == "unknown_block.png"){
2216                                         infotext = L"Unknown node: ";
2217                                         infotext += narrow_to_wide(nodedef->get(n).name);
2218                                 }
2219                         }
2220
2221                         // We can't actually know, but assume the sound of right-clicking
2222                         // to be the sound of placing a node
2223                         soundmaker.m_player_rightpunch_sound.gain = 0.5;
2224                         soundmaker.m_player_rightpunch_sound.name = "default_place_node";
2225
2226                         /*
2227                                 Handle digging
2228                         */
2229
2230                         if(nodig_delay_timer <= 0.0 && input->getLeftState())
2231                         {
2232                                 if(!digging)
2233                                 {
2234                                         infostream<<"Started digging"<<std::endl;
2235                                         client.interact(0, pointed);
2236                                         digging = true;
2237                                         ldown_for_dig = true;
2238                                 }
2239                                 MapNode n = client.getEnv().getClientMap().getNode(nodepos);
2240
2241                                 // Get digging parameters
2242                                 DigParams params = getDigParams(nodedef->get(n).groups,
2243                                                 &playeritem_toolcap);
2244                                 // If can't dig, try hand
2245                                 if(!params.diggable){
2246                                         const ItemDefinition &hand = itemdef->get("");
2247                                         const ToolCapabilities *tp = hand.tool_capabilities;
2248                                         if(tp)
2249                                                 params = getDigParams(nodedef->get(n).groups, tp);
2250                                 }
2251
2252                                 SimpleSoundSpec sound_dig = nodedef->get(n).sound_dig;
2253                                 if(sound_dig.exists()){
2254                                         if(sound_dig.name == "__group"){
2255                                                 if(params.main_group != ""){
2256                                                         soundmaker.m_player_leftpunch_sound.gain = 0.5;
2257                                                         soundmaker.m_player_leftpunch_sound.name =
2258                                                                         std::string("default_dig_") +
2259                                                                                         params.main_group;
2260                                                 }
2261                                         } else{
2262                                                 soundmaker.m_player_leftpunch_sound = sound_dig;
2263                                         }
2264                                 }
2265
2266                                 float dig_time_complete = 0.0;
2267
2268                                 if(params.diggable == false)
2269                                 {
2270                                         // I guess nobody will wait for this long
2271                                         dig_time_complete = 10000000.0;
2272                                 }
2273                                 else
2274                                 {
2275                                         dig_time_complete = params.time;
2276                                 }
2277
2278                                 if(dig_time_complete >= 0.001)
2279                                 {
2280                                         dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
2281                                                         * dig_time/dig_time_complete);
2282                                 }
2283                                 // This is for torches
2284                                 else
2285                                 {
2286                                         dig_index = CRACK_ANIMATION_LENGTH;
2287                                 }
2288
2289                                 // Don't show cracks if not diggable
2290                                 if(dig_time_complete >= 100000.0)
2291                                 {
2292                                 }
2293                                 else if(dig_index < CRACK_ANIMATION_LENGTH)
2294                                 {
2295                                         //TimeTaker timer("client.setTempMod");
2296                                         //infostream<<"dig_index="<<dig_index<<std::endl;
2297                                         client.setCrack(dig_index, nodepos);
2298                                 }
2299                                 else
2300                                 {
2301                                         infostream<<"Digging completed"<<std::endl;
2302                                         client.interact(2, pointed);
2303                                         client.setCrack(-1, v3s16(0,0,0));
2304                                         MapNode wasnode = map.getNode(nodepos);
2305                                         client.removeNode(nodepos);
2306
2307                                         dig_time = 0;
2308                                         digging = false;
2309
2310                                         nodig_delay_timer = dig_time_complete
2311                                                         / (float)CRACK_ANIMATION_LENGTH;
2312
2313                                         // We don't want a corresponding delay to
2314                                         // very time consuming nodes
2315                                         if(nodig_delay_timer > 0.3)
2316                                                 nodig_delay_timer = 0.3;
2317                                         // We want a slight delay to very little
2318                                         // time consuming nodes
2319                                         float mindelay = 0.15;
2320                                         if(nodig_delay_timer < mindelay)
2321                                                 nodig_delay_timer = mindelay;
2322
2323                                         // Send event to trigger sound
2324                                         MtEvent *e = new NodeDugEvent(nodepos, wasnode);
2325                                         gamedef->event()->put(e);
2326                                 }
2327
2328                                 dig_time += dtime;
2329
2330                                 camera.setDigging(0);  // left click animation
2331                         }
2332
2333                         if(input->getRightClicked())
2334                         {
2335                                 infostream<<"Ground right-clicked"<<std::endl;
2336
2337                                 // If metadata provides an inventory view, activate it
2338                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
2339                                 {
2340                                         infostream<<"Launching custom inventory view"<<std::endl;
2341
2342                                         InventoryLocation inventoryloc;
2343                                         inventoryloc.setNodeMeta(nodepos);
2344
2345
2346                                         /*
2347                                                 Create menu
2348                                         */
2349
2350                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
2351                                         v2s16 invsize =
2352                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
2353                                                         draw_spec,
2354                                                         meta->getInventoryDrawSpecString(),
2355                                                         inventoryloc);
2356
2357                                         GUIInventoryMenu *menu =
2358                                                 new GUIInventoryMenu(guienv, guiroot, -1,
2359                                                         &g_menumgr, invsize,
2360                                                         &client, gamedef);
2361                                         menu->setDrawSpec(draw_spec);
2362                                         menu->drop();
2363                                 }
2364                                 // If metadata provides text input, activate text input
2365                                 else if(meta && meta->allowsTextInput() && !random_input)
2366                                 {
2367                                         infostream<<"Launching metadata text input"<<std::endl;
2368
2369                                         // Get a new text for it
2370
2371                                         TextDest *dest = new TextDestNodeMetadata(nodepos, &client);
2372
2373                                         std::wstring wtext = narrow_to_wide(meta->getText());
2374
2375                                         (new GUITextInputMenu(guienv, guiroot, -1,
2376                                                         &g_menumgr, dest,
2377                                                         wtext))->drop();
2378                                 }
2379                                 // Otherwise report right click to server
2380                                 else
2381                                 {
2382                                         client.interact(3, pointed);
2383                                         camera.setDigging(1);  // right click animation
2384                                 }
2385                         }
2386                 }
2387                 else if(pointed.type == POINTEDTHING_OBJECT)
2388                 {
2389                         infotext = narrow_to_wide(selected_object->infoText());
2390
2391                         if(infotext == L"" && show_debug){
2392                                 infotext = narrow_to_wide(selected_object->debugInfoText());
2393                         }
2394
2395                         //if(input->getLeftClicked())
2396                         if(input->getLeftState())
2397                         {
2398                                 bool do_punch = false;
2399                                 bool do_punch_damage = false;
2400                                 if(object_hit_delay_timer <= 0.0){
2401                                         do_punch = true;
2402                                         do_punch_damage = true;
2403                                         object_hit_delay_timer = object_hit_delay;
2404                                 }
2405                                 if(input->getLeftClicked()){
2406                                         do_punch = true;
2407                                 }
2408                                 if(do_punch){
2409                                         infostream<<"Left-clicked object"<<std::endl;
2410                                         left_punch = true;
2411                                 }
2412                                 if(do_punch_damage){
2413                                         // Report direct punch
2414                                         v3f objpos = selected_object->getPosition();
2415                                         v3f dir = (objpos - player_position).normalize();
2416
2417                                         bool disable_send = selected_object->directReportPunch(
2418                                                         dir, &playeritem, time_from_last_punch);
2419                                         time_from_last_punch = 0;
2420                                         if(!disable_send)
2421                                                 client.interact(0, pointed);
2422                                 }
2423                         }
2424                         else if(input->getRightClicked())
2425                         {
2426                                 infostream<<"Right-clicked object"<<std::endl;
2427                                 client.interact(3, pointed);  // place
2428                         }
2429                 }
2430                 else if(input->getLeftState())
2431                 {
2432                         // When button is held down in air, show continuous animation
2433                         left_punch = true;
2434                 }
2435
2436                 pointed_old = pointed;
2437
2438                 if(left_punch || input->getLeftClicked())
2439                 {
2440                         camera.setDigging(0); // left click animation
2441                 }
2442
2443                 input->resetLeftClicked();
2444                 input->resetRightClicked();
2445
2446                 input->resetLeftReleased();
2447                 input->resetRightReleased();
2448
2449                 /*
2450                         Calculate stuff for drawing
2451                 */
2452
2453                 /*
2454                         Fog range
2455                 */
2456
2457                 f32 fog_range;
2458                 if(farmesh)
2459                 {
2460                         fog_range = BS*farmesh_range;
2461                 }
2462                 else
2463                 {
2464                         fog_range = draw_control.wanted_range*BS + 0.0*MAP_BLOCKSIZE*BS;
2465                         fog_range *= 0.9;
2466                         if(draw_control.range_all)
2467                                 fog_range = 100000*BS;
2468                 }
2469
2470                 /*
2471                         Calculate general brightness
2472                 */
2473                 u32 daynight_ratio = client.getEnv().getDayNightRatio();
2474                 float time_brightness = (float)decode_light(
2475                                 (daynight_ratio * LIGHT_SUN) / 1000) / 255.0;
2476                 float direct_brightness = 0;
2477                 bool sunlight_seen = false;
2478                 if(g_settings->getBool("free_move")){
2479                         direct_brightness = time_brightness;
2480                         sunlight_seen = true;
2481                 } else {
2482                         ScopeProfiler sp(g_profiler, "Detecting background light", SPT_AVG);
2483                         float old_brightness = sky->getBrightness();
2484                         direct_brightness = (float)client.getEnv().getClientMap()
2485                                         .getBackgroundBrightness(MYMIN(fog_range*1.2, 60*BS),
2486                                         daynight_ratio, (int)(old_brightness*255.5), &sunlight_seen)
2487                                         / 255.0;
2488                 }
2489
2490                 time_of_day = client.getEnv().getTimeOfDayF();
2491                 float maxsm = 0.05;
2492                 if(fabs(time_of_day - time_of_day_smooth) > maxsm &&
2493                                 fabs(time_of_day - time_of_day_smooth + 1.0) > maxsm &&
2494                                 fabs(time_of_day - time_of_day_smooth - 1.0) > maxsm)
2495                         time_of_day_smooth = time_of_day;
2496                 float todsm = 0.05;
2497                 if(time_of_day_smooth > 0.8 && time_of_day < 0.2)
2498                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2499                                         + (time_of_day+1.0) * todsm;
2500                 else
2501                         time_of_day_smooth = time_of_day_smooth * (1.0-todsm)
2502                                         + time_of_day * todsm;
2503
2504                 sky->update(time_of_day_smooth, time_brightness, direct_brightness,
2505                                 sunlight_seen);
2506
2507                 float brightness = sky->getBrightness();
2508                 video::SColor bgcolor = sky->getBgColor();
2509                 video::SColor skycolor = sky->getSkyColor();
2510
2511                 /*
2512                         Update clouds
2513                 */
2514                 if(clouds){
2515                         if(sky->getCloudsVisible()){
2516                                 clouds->setVisible(true);
2517                                 clouds->step(dtime);
2518                                 clouds->update(v2f(player_position.X, player_position.Z),
2519                                                 sky->getCloudColor());
2520                         } else{
2521                                 clouds->setVisible(false);
2522                         }
2523                 }
2524
2525                 /*
2526                         Update farmesh
2527                 */
2528                 if(farmesh)
2529                 {
2530                         farmesh_range = draw_control.wanted_range * 10;
2531                         if(draw_control.range_all && farmesh_range < 500)
2532                                 farmesh_range = 500;
2533                         if(farmesh_range > 1000)
2534                                 farmesh_range = 1000;
2535
2536                         farmesh->step(dtime);
2537                         farmesh->update(v2f(player_position.X, player_position.Z),
2538                                         brightness, farmesh_range);
2539                 }
2540
2541                 /*
2542                         Fog
2543                 */
2544
2545                 if(g_settings->getBool("enable_fog") == true && !force_fog_off)
2546                 {
2547                         driver->setFog(
2548                                 bgcolor,
2549                                 video::EFT_FOG_LINEAR,
2550                                 fog_range*0.4,
2551                                 fog_range*1.0,
2552                                 0.01,
2553                                 false, // pixel fog
2554                                 false // range fog
2555                         );
2556                 }
2557                 else
2558                 {
2559                         driver->setFog(
2560                                 bgcolor,
2561                                 video::EFT_FOG_LINEAR,
2562                                 100000*BS,
2563                                 110000*BS,
2564                                 0.01,
2565                                 false, // pixel fog
2566                                 false // range fog
2567                         );
2568                 }
2569
2570                 /*
2571                         Update gui stuff (0ms)
2572                 */
2573
2574                 //TimeTaker guiupdatetimer("Gui updating");
2575
2576                 const char program_name_and_version[] =
2577                         "Minetest-c55 " VERSION_STRING;
2578
2579                 if(show_debug)
2580                 {
2581                         static float drawtime_avg = 0;
2582                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2583                         /*static float beginscenetime_avg = 0;
2584                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2585                         static float scenetime_avg = 0;
2586                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2587                         static float endscenetime_avg = 0;
2588                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;*/
2589
2590                         char temptext[300];
2591                         snprintf(temptext, 300, "%s ("
2592                                         "R: range_all=%i"
2593                                         ")"
2594                                         " drawtime=%.0f, dtime_jitter = % .1f %%"
2595                                         ", v_range = %.1f, RTT = %.3f",
2596                                         program_name_and_version,
2597                                         draw_control.range_all,
2598                                         drawtime_avg,
2599                                         dtime_jitter1_max_fraction * 100.0,
2600                                         draw_control.wanted_range,
2601                                         client.getRTT()
2602                                         );
2603
2604                         guitext->setText(narrow_to_wide(temptext).c_str());
2605                         guitext->setVisible(true);
2606                 }
2607                 else if(show_hud || show_chat)
2608                 {
2609                         guitext->setText(narrow_to_wide(program_name_and_version).c_str());
2610                         guitext->setVisible(true);
2611                 }
2612                 else
2613                 {
2614                         guitext->setVisible(false);
2615                 }
2616
2617                 if(show_debug)
2618                 {
2619                         char temptext[300];
2620                         snprintf(temptext, 300,
2621                                         "(% .1f, % .1f, % .1f)"
2622                                         " (yaw = %.1f)",
2623                                         player_position.X/BS,
2624                                         player_position.Y/BS,
2625                                         player_position.Z/BS,
2626                                         wrapDegrees_0_360(camera_yaw));
2627
2628                         guitext2->setText(narrow_to_wide(temptext).c_str());
2629                         guitext2->setVisible(true);
2630                 }
2631                 else
2632                 {
2633                         guitext2->setVisible(false);
2634                 }
2635
2636                 {
2637                         guitext_info->setText(infotext.c_str());
2638                         guitext_info->setVisible(show_hud && g_menumgr.menuCount() == 0);
2639                 }
2640
2641                 {
2642                         float statustext_time_max = 1.5;
2643                         if(!statustext.empty())
2644                         {
2645                                 statustext_time += dtime;
2646                                 if(statustext_time >= statustext_time_max)
2647                                 {
2648                                         statustext = L"";
2649                                         statustext_time = 0;
2650                                 }
2651                         }
2652                         guitext_status->setText(statustext.c_str());
2653                         guitext_status->setVisible(!statustext.empty());
2654
2655                         if(!statustext.empty())
2656                         {
2657                                 s32 status_y = screensize.Y - 130;
2658                                 core::rect<s32> rect(
2659                                                 10,
2660                                                 status_y - guitext_status->getTextHeight(),
2661                                                 screensize.X - 10,
2662                                                 status_y
2663                                 );
2664                                 guitext_status->setRelativePosition(rect);
2665
2666                                 // Fade out
2667                                 video::SColor initial_color(255,0,0,0);
2668                                 if(guienv->getSkin())
2669                                         initial_color = guienv->getSkin()->getColor(gui::EGDC_BUTTON_TEXT);
2670                                 video::SColor final_color = initial_color;
2671                                 final_color.setAlpha(0);
2672                                 video::SColor fade_color =
2673                                         initial_color.getInterpolated_quadratic(
2674                                                 initial_color,
2675                                                 final_color,
2676                                                 pow(statustext_time / (float)statustext_time_max, 2.0f));
2677                                 guitext_status->setOverrideColor(fade_color);
2678                                 guitext_status->enableOverrideColor(true);
2679                         }
2680                 }
2681
2682                 /*
2683                         Get chat messages from client
2684                 */
2685                 {
2686                         // Get new messages from error log buffer
2687                         while(!chat_log_error_buf.empty())
2688                         {
2689                                 chat_backend.addMessage(L"", narrow_to_wide(
2690                                                 chat_log_error_buf.get()));
2691                         }
2692                         // Get new messages from client
2693                         std::wstring message;
2694                         while(client.getChatMessage(message))
2695                         {
2696                                 chat_backend.addUnparsedMessage(message);
2697                         }
2698                         // Remove old messages
2699                         chat_backend.step(dtime);
2700
2701                         // Display all messages in a static text element
2702                         u32 recent_chat_count = chat_backend.getRecentBuffer().getLineCount();
2703                         std::wstring recent_chat = chat_backend.getRecentChat();
2704                         guitext_chat->setText(recent_chat.c_str());
2705
2706                         // Update gui element size and position
2707                         s32 chat_y = 5+(text_height+5);
2708                         if(show_debug)
2709                                 chat_y += (text_height+5);
2710                         core::rect<s32> rect(
2711                                 10,
2712                                 chat_y,
2713                                 screensize.X - 10,
2714                                 chat_y + guitext_chat->getTextHeight()
2715                         );
2716                         guitext_chat->setRelativePosition(rect);
2717
2718                         // Don't show chat if disabled or empty or profiler is enabled
2719                         guitext_chat->setVisible(show_chat && recent_chat_count != 0
2720                                         && !show_profiler);
2721                 }
2722
2723                 /*
2724                         Inventory
2725                 */
2726
2727                 if(client.getPlayerItem() != new_playeritem)
2728                 {
2729                         client.selectPlayerItem(new_playeritem);
2730                 }
2731                 if(client.getLocalInventoryUpdated())
2732                 {
2733                         //infostream<<"Updating local inventory"<<std::endl;
2734                         client.getLocalInventory(local_inventory);
2735
2736                         update_wielded_item_trigger = true;
2737                 }
2738                 if(update_wielded_item_trigger)
2739                 {
2740                         update_wielded_item_trigger = false;
2741                         // Update wielded tool
2742                         InventoryList *mlist = local_inventory.getList("main");
2743                         ItemStack item;
2744                         if(mlist != NULL)
2745                                 item = mlist->getItem(client.getPlayerItem());
2746                         camera.wield(item);
2747                 }
2748
2749                 /*
2750                         Drawing begins
2751                 */
2752
2753                 TimeTaker tt_draw("mainloop: draw");
2754
2755
2756                 {
2757                         TimeTaker timer("beginScene");
2758                         //driver->beginScene(false, true, bgcolor);
2759                         //driver->beginScene(true, true, bgcolor);
2760                         driver->beginScene(true, true, skycolor);
2761                         beginscenetime = timer.stop(true);
2762                 }
2763
2764                 //timer3.stop();
2765
2766                 //infostream<<"smgr->drawAll()"<<std::endl;
2767                 {
2768                         TimeTaker timer("smgr");
2769                         smgr->drawAll();
2770                         scenetime = timer.stop(true);
2771                 }
2772
2773                 {
2774                 //TimeTaker timer9("auxiliary drawings");
2775                 // 0ms
2776
2777                 //timer9.stop();
2778                 //TimeTaker //timer10("//timer10");
2779
2780                 video::SMaterial m;
2781                 //m.Thickness = 10;
2782                 m.Thickness = 3;
2783                 m.Lighting = false;
2784                 driver->setMaterial(m);
2785
2786                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2787
2788                 if(show_hud)
2789                 {
2790                         for(core::list<aabb3f>::Iterator i=hilightboxes.begin();
2791                                         i != hilightboxes.end(); i++)
2792                         {
2793                                 /*infostream<<"hilightbox min="
2794                                                 <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2795                                                 <<" max="
2796                                                 <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2797                                                 <<std::endl;*/
2798                                 driver->draw3DBox(*i, video::SColor(255,0,0,0));
2799                         }
2800                 }
2801
2802                 /*
2803                         Wielded tool
2804                 */
2805                 if(show_hud)
2806                 {
2807                         // Warning: This clears the Z buffer.
2808                         camera.drawWieldedTool();
2809                 }
2810
2811                 /*
2812                         Post effects
2813                 */
2814                 {
2815                         client.getEnv().getClientMap().renderPostFx();
2816                 }
2817
2818                 /*
2819                         Profiler graph
2820                 */
2821                 if(show_profiler_graph)
2822                 {
2823                         graph.draw(10, screensize.Y - 10, driver, font);
2824                 }
2825
2826                 /*
2827                         Draw crosshair
2828                 */
2829                 if(show_hud)
2830                 {
2831                         driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2832                                         displaycenter + core::vector2d<s32>(10,0),
2833                                         video::SColor(255,255,255,255));
2834                         driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2835                                         displaycenter + core::vector2d<s32>(0,10),
2836                                         video::SColor(255,255,255,255));
2837                 }
2838
2839                 } // timer
2840
2841                 //timer10.stop();
2842                 //TimeTaker //timer11("//timer11");
2843
2844                 /*
2845                         Draw gui
2846                 */
2847                 // 0-1ms
2848                 guienv->drawAll();
2849
2850                 /*
2851                         Draw hotbar
2852                 */
2853                 if(show_hud)
2854                 {
2855                         draw_hotbar(driver, font, gamedef,
2856                                         v2s32(displaycenter.X, screensize.Y),
2857                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2858                                         client.getHP(), client.getPlayerItem());
2859                 }
2860
2861                 /*
2862                         Damage flash
2863                 */
2864                 if(damage_flash_timer > 0.0)
2865                 {
2866                         damage_flash_timer -= dtime;
2867
2868                         video::SColor color(128,255,0,0);
2869                         driver->draw2DRectangle(color,
2870                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2871                                         NULL);
2872                 }
2873
2874                 /*
2875                         End scene
2876                 */
2877                 {
2878                         TimeTaker timer("endScene");
2879                         endSceneX(driver);
2880                         endscenetime = timer.stop(true);
2881                 }
2882
2883                 drawtime = tt_draw.stop(true);
2884                 g_profiler->graphAdd("mainloop_draw", (float)drawtime/1000.0f);
2885
2886                 /*
2887                         End of drawing
2888                 */
2889
2890                 static s16 lastFPS = 0;
2891                 //u16 fps = driver->getFPS();
2892                 u16 fps = (1.0/dtime_avg1);
2893
2894                 if (lastFPS != fps)
2895                 {
2896                         core::stringw str = L"Minetest [";
2897                         str += driver->getName();
2898                         str += "] FPS=";
2899                         str += fps;
2900
2901                         device->setWindowCaption(str.c_str());
2902                         lastFPS = fps;
2903                 }
2904
2905                 /*
2906                         Log times and stuff for visualization
2907                 */
2908                 Profiler::GraphValues values;
2909                 g_profiler->graphGet(values);
2910                 graph.put(values);
2911         }
2912
2913         /*
2914                 Drop stuff
2915         */
2916         if(clouds)
2917                 clouds->drop();
2918         if(gui_chat_console)
2919                 gui_chat_console->drop();
2920
2921         /*
2922                 Draw a "shutting down" screen, which will be shown while the map
2923                 generator and other stuff quits
2924         */
2925         {
2926                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2927                 draw_load_screen(L"Shutting down stuff...", driver, font);
2928                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2929                 guienv->drawAll();
2930                 driver->endScene();
2931                 gui_shuttingdowntext->remove();*/
2932         }
2933
2934         chat_backend.addMessage(L"", L"# Disconnected.");
2935         chat_backend.addMessage(L"", L"");
2936
2937         // Client scope (client is destructed before destructing *def and tsrc)
2938         }while(0);
2939
2940         if(!sound_is_dummy)
2941                 delete sound;
2942         delete nodedef;
2943         delete itemdef;
2944         delete tsrc;
2945 }
2946
2947