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 "common_irrlicht.h"
  21 #include "game.h"
  22 #include "client.h"
  23 #include "server.h"
  24 #include "guiPauseMenu.h"
  25 #include "guiPasswordChange.h"
  26 #include "guiInventoryMenu.h"
  27 #include "guiTextInputMenu.h"
  28 #include "materials.h"
  29 #include "config.h"
  30 #include "clouds.h"
  31 #include "keycode.h"
  32 #include "farmesh.h"
  33 #include "mapblock.h"
  34
  35 /*
  36         TODO: Move content-aware stuff to separate file by adding properties
  37               and virtual interfaces
  38 */
  39 #include "content_mapnode.h"
  40 #include "content_nodemeta.h"
  41
  42 /*
  43         Setting this to 1 enables a special camera mode that forces
  44         the renderers to think that the camera statically points from
  45         the starting place to a static direction.
  46
  47         This allows one to move around with the player and see what
  48         is actually drawn behind solid things and behind the player.
  49 */
  50 #define FIELD_OF_VIEW_TEST 0
  51
  52
  53 MapDrawControl draw_control;
  54
  55 // Chat data
  56 struct ChatLine
  57 {
  58         ChatLine():
  59                 age(0.0)
  60         {
  61         }
  62         ChatLine(const std::wstring &a_text):
  63                 age(0.0),
  64                 text(a_text)
  65         {
  66         }
  67         float age;
  68         std::wstring text;
  69 };
  70
  71 /*
  72         Inventory stuff
  73 */
  74
  75 // Inventory actions from the menu are buffered here before sending
  76 Queue<InventoryAction*> inventory_action_queue;
  77 // This is a copy of the inventory that the client's environment has
  78 Inventory local_inventory;
  79
  80 u16 g_selected_item = 0;
  81
  82 /*
  83         Text input system
  84 */
  85
  86 struct TextDestSign : public TextDest
  87 {
  88         TextDestSign(v3s16 blockpos, s16 id, Client *client)
  89         {
  90                 m_blockpos = blockpos;
  91                 m_id = id;
  92                 m_client = client;
  93         }
  94         void gotText(std::wstring text)
  95         {
  96                 std::string ntext = wide_to_narrow(text);
  97                 dstream<<"Changing text of a sign object: "
  98                                 <<ntext<<std::endl;
  99                 m_client->sendSignText(m_blockpos, m_id, ntext);
 100         }
 101
 102         v3s16 m_blockpos;
 103         s16 m_id;
 104         Client *m_client;
 105 };
 106
 107 struct TextDestChat : public TextDest
 108 {
 109         TextDestChat(Client *client)
 110         {
 111                 m_client = client;
 112         }
 113         void gotText(std::wstring text)
 114         {
 115                 // Discard empty line
 116                 if(text == L"")
 117                         return;
 118
 119                 // Parse command (server command starts with "/#")
 120                 if(text[0] == L'/' && text[1] != L'#')
 121                 {
 122                         std::wstring reply = L"Local: ";
 123
 124                         reply += L"Local commands not yet supported. "
 125                                         L"Server prefix is \"/#\".";
 126
 127                         m_client->addChatMessage(reply);
 128                         return;
 129                 }
 130
 131                 // Send to others
 132                 m_client->sendChatMessage(text);
 133                 // Show locally
 134                 m_client->addChatMessage(text);
 135         }
 136
 137         Client *m_client;
 138 };
 139
 140 struct TextDestSignNode : public TextDest
 141 {
 142         TextDestSignNode(v3s16 p, Client *client)
 143         {
 144                 m_p = p;
 145                 m_client = client;
 146         }
 147         void gotText(std::wstring text)
 148         {
 149                 std::string ntext = wide_to_narrow(text);
 150                 dstream<<"Changing text of a sign node: "
 151                                 <<ntext<<std::endl;
 152                 m_client->sendSignNodeText(m_p, ntext);
 153         }
 154
 155         v3s16 m_p;
 156         Client *m_client;
 157 };
 158
 159 /*
 160         Render distance feedback loop
 161 */
 162 void updateViewingRange(f32 frametime_in, Client *client)
 163 {
 164         if(draw_control.range_all == true)
 165                 return;
 166
 167         static f32 added_frametime = 0;
 168         static s16 added_frames = 0;
 169
 170         added_frametime += frametime_in;
 171         added_frames += 1;
 172
 173         // Actually this counter kind of sucks because frametime is busytime
 174         static f32 counter = 0;
 175         counter -= frametime_in;
 176         if(counter > 0)
 177                 return;
 178         //counter = 0.1;
 179         counter = 0.2;
 180
 181         /*dstream<<__FUNCTION_NAME
 182                         <<": Collected "<<added_frames<<" frames, total of "
 183                         <<added_frametime<<"s."<<std::endl;*/
 184
 185         /*dstream<<"draw_control.blocks_drawn="
 186                         <<draw_control.blocks_drawn
 187                         <<", draw_control.blocks_would_have_drawn="
 188                         <<draw_control.blocks_would_have_drawn
 189                         <<std::endl;*/
 190
 191         float range_min = g_settings.getS16("viewing_range_nodes_min");
 192         float range_max = g_settings.getS16("viewing_range_nodes_max");
 193
 194         // Limit minimum to keep the feedback loop stable
 195         if(range_min < 5)
 196                 range_min = 5;
 197
 198         draw_control.wanted_min_range = range_min;
 199         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
 200         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
 201         if(draw_control.wanted_max_blocks < 10)
 202                 draw_control.wanted_max_blocks = 10;
 203
 204         float block_draw_ratio = 1.0;
 205         if(draw_control.blocks_would_have_drawn != 0)
 206         {
 207                 block_draw_ratio = (float)draw_control.blocks_drawn
 208                         / (float)draw_control.blocks_would_have_drawn;
 209         }
 210
 211         // Calculate the average frametime in the case that all wanted
 212         // blocks had been drawn
 213         f32 frametime = added_frametime / added_frames / block_draw_ratio;
 214
 215         added_frametime = 0.0;
 216         added_frames = 0;
 217
 218         float wanted_fps = g_settings.getFloat("wanted_fps");
 219         float wanted_frametime = 1.0 / wanted_fps;
 220
 221         f32 wanted_frametime_change = wanted_frametime - frametime;
 222         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
 223
 224         // If needed frametime change is small, just return
 225         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
 226         {
 227                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
 228                 return;
 229         }
 230
 231         float range = draw_control.wanted_range;
 232         float new_range = range;
 233
 234         static s16 range_old = 0;
 235         static f32 frametime_old = 0;
 236
 237         float d_range = range - range_old;
 238         f32 d_frametime = frametime - frametime_old;
 239         // A sane default of 30ms per 50 nodes of range
 240         static f32 time_per_range = 30. / 50;
 241         if(d_range != 0)
 242         {
 243                 time_per_range = d_frametime / d_range;
 244         }
 245
 246         // The minimum allowed calculated frametime-range derivative:
 247         // Practically this sets the maximum speed of changing the range.
 248         // The lower this value, the higher the maximum changing speed.
 249         // A low value here results in wobbly range (0.001)
 250         // A high value here results in slow changing range (0.0025)
 251         // SUGG: This could be dynamically adjusted so that when
 252         //       the camera is turning, this is lower
 253         //float min_time_per_range = 0.0015;
 254         float min_time_per_range = 0.0010;
 255         //float min_time_per_range = 0.05 / range;
 256         if(time_per_range < min_time_per_range)
 257         {
 258                 time_per_range = min_time_per_range;
 259                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
 260         }
 261         else
 262         {
 263                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
 264         }
 265
 266         f32 wanted_range_change = wanted_frametime_change / time_per_range;
 267         // Dampen the change a bit to kill oscillations
 268         //wanted_range_change *= 0.9;
 269         //wanted_range_change *= 0.75;
 270         wanted_range_change *= 0.5;
 271         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
 272
 273         // If needed range change is very small, just return
 274         if(fabs(wanted_range_change) < 0.001)
 275         {
 276                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
 277                 return;
 278         }
 279
 280         new_range += wanted_range_change;
 281
 282         //float new_range_unclamped = new_range;
 283         if(new_range < range_min)
 284                 new_range = range_min;
 285         if(new_range > range_max)
 286                 new_range = range_max;
 287
 288         /*dstream<<"new_range="<<new_range_unclamped
 289                         <<", clamped to "<<new_range<<std::endl;*/
 290
 291         draw_control.wanted_range = new_range;
 292
 293         range_old = new_range;
 294         frametime_old = frametime;
 295 }
 296
 297 /*
 298         Hotbar draw routine
 299 */
 300 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 301                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 302                 Inventory *inventory, s32 halfheartcount)
 303 {
 304         InventoryList *mainlist = inventory->getList("main");
 305         if(mainlist == NULL)
 306         {
 307                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
 308                 return;
 309         }
 310
 311         s32 padding = imgsize/12;
 312         //s32 height = imgsize + padding*2;
 313         s32 width = itemcount*(imgsize+padding*2);
 314
 315         // Position of upper left corner of bar
 316         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 317
 318         // Draw background color
 319         /*core::rect<s32> barrect(0,0,width,height);
 320         barrect += pos;
 321         video::SColor bgcolor(255,128,128,128);
 322         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 323
 324         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 325
 326         for(s32 i=0; i<itemcount; i++)
 327         {
 328                 InventoryItem *item = mainlist->getItem(i);
 329
 330                 core::rect<s32> rect = imgrect + pos
 331                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 332
 333                 if(g_selected_item == i)
 334                 {
 335                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 336                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
 337                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
 338                                         NULL);
 339                 }
 340                 else
 341                 {
 342                         video::SColor bgcolor2(128,0,0,0);
 343                         driver->draw2DRectangle(bgcolor2, rect, NULL);
 344                 }
 345
 346                 if(item != NULL)
 347                 {
 348                         drawInventoryItem(driver, font, item, rect, NULL);
 349                 }
 350         }
 351
 352         /*
 353                 Draw hearts
 354         */
 355         {
 356                 video::ITexture *heart_texture =
 357                                 driver->getTexture(getTexturePath("heart.png").c_str());
 358                 v2s32 p = pos + v2s32(0, -20);
 359                 for(s32 i=0; i<halfheartcount/2; i++)
 360                 {
 361                         const video::SColor color(255,255,255,255);
 362                         const video::SColor colors[] = {color,color,color,color};
 363                         core::rect<s32> rect(0,0,16,16);
 364                         rect += p;
 365                         driver->draw2DImage(heart_texture, rect,
 366                                 core::rect<s32>(core::position2d<s32>(0,0),
 367                                 core::dimension2di(heart_texture->getOriginalSize())),
 368                                 NULL, colors, true);
 369                         p += v2s32(16,0);
 370                 }
 371                 if(halfheartcount % 2 == 1)
 372                 {
 373                         const video::SColor color(255,255,255,255);
 374                         const video::SColor colors[] = {color,color,color,color};
 375                         core::rect<s32> rect(0,0,16/2,16);
 376                         rect += p;
 377                         core::dimension2di srcd(heart_texture->getOriginalSize());
 378                         srcd.Width /= 2;
 379                         driver->draw2DImage(heart_texture, rect,
 380                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 381                                 NULL, colors, true);
 382                         p += v2s32(16,0);
 383                 }
 384         }
 385 }
 386
 387 /*
 388         Find what the player is pointing at
 389 */
 390 void getPointedNode(Client *client, v3f player_position,
 391                 v3f camera_direction, v3f camera_position,
 392                 bool &nodefound, core::line3d<f32> shootline,
 393                 v3s16 &nodepos, v3s16 &neighbourpos,
 394                 core::aabbox3d<f32> &nodehilightbox,
 395                 f32 d)
 396 {
 397         f32 mindistance = BS * 1001;
 398
 399         v3s16 pos_i = floatToInt(player_position, BS);
 400
 401         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 402                         <<std::endl;*/
 403
 404         s16 a = d;
 405         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 406         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 407         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 408         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 409         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 410         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 411
 412         for(s16 y = ystart; y <= yend; y++)
 413         for(s16 z = zstart; z <= zend; z++)
 414         for(s16 x = xstart; x <= xend; x++)
 415         {
 416                 MapNode n;
 417                 try
 418                 {
 419                         n = client->getNode(v3s16(x,y,z));
 420                         if(content_pointable(n.getContent()) == false)
 421                                 continue;
 422                 }
 423                 catch(InvalidPositionException &e)
 424                 {
 425                         continue;
 426                 }
 427
 428                 v3s16 np(x,y,z);
 429                 v3f npf = intToFloat(np, BS);
 430
 431                 f32 d = 0.01;
 432
 433                 v3s16 dirs[6] = {
 434                         v3s16(0,0,1), // back
 435                         v3s16(0,1,0), // top
 436                         v3s16(1,0,0), // right
 437                         v3s16(0,0,-1), // front
 438                         v3s16(0,-1,0), // bottom
 439                         v3s16(-1,0,0), // left
 440                 };
 441
 442                 /*
 443                         Meta-objects
 444                 */
 445                 if(n.getContent() == CONTENT_TORCH)
 446                 {
 447                         v3s16 dir = unpackDir(n.param2);
 448                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 449                         dir_f *= BS/2 - BS/6 - BS/20;
 450                         v3f cpf = npf + dir_f;
 451                         f32 distance = (cpf - camera_position).getLength();
 452
 453                         core::aabbox3d<f32> box;
 454
 455                         // bottom
 456                         if(dir == v3s16(0,-1,0))
 457                         {
 458                                 box = core::aabbox3d<f32>(
 459                                         npf - v3f(BS/6, BS/2, BS/6),
 460                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
 461                                 );
 462                         }
 463                         // top
 464                         else if(dir == v3s16(0,1,0))
 465                         {
 466                                 box = core::aabbox3d<f32>(
 467                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
 468                                         npf + v3f(BS/6, BS/2, BS/6)
 469                                 );
 470                         }
 471                         // side
 472                         else
 473                         {
 474                                 box = core::aabbox3d<f32>(
 475                                         cpf - v3f(BS/6, BS/3, BS/6),
 476                                         cpf + v3f(BS/6, BS/3, BS/6)
 477                                 );
 478                         }
 479
 480                         if(distance < mindistance)
 481                         {
 482                                 if(box.intersectsWithLine(shootline))
 483                                 {
 484                                         nodefound = true;
 485                                         nodepos = np;
 486                                         neighbourpos = np;
 487                                         mindistance = distance;
 488                                         nodehilightbox = box;
 489                                 }
 490                         }
 491                 }
 492                 else if(n.getContent() == CONTENT_SIGN_WALL)
 493                 {
 494                         v3s16 dir = unpackDir(n.param2);
 495                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 496                         dir_f *= BS/2 - BS/6 - BS/20;
 497                         v3f cpf = npf + dir_f;
 498                         f32 distance = (cpf - camera_position).getLength();
 499
 500                         v3f vertices[4] =
 501                         {
 502                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 503                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 504                         };
 505
 506                         for(s32 i=0; i<2; i++)
 507                         {
 508                                 if(dir == v3s16(1,0,0))
 509                                         vertices[i].rotateXZBy(0);
 510                                 if(dir == v3s16(-1,0,0))
 511                                         vertices[i].rotateXZBy(180);
 512                                 if(dir == v3s16(0,0,1))
 513                                         vertices[i].rotateXZBy(90);
 514                                 if(dir == v3s16(0,0,-1))
 515                                         vertices[i].rotateXZBy(-90);
 516                                 if(dir == v3s16(0,-1,0))
 517                                         vertices[i].rotateXYBy(-90);
 518                                 if(dir == v3s16(0,1,0))
 519                                         vertices[i].rotateXYBy(90);
 520
 521                                 vertices[i] += npf;
 522                         }
 523
 524                         core::aabbox3d<f32> box;
 525
 526                         box = core::aabbox3d<f32>(vertices[0]);
 527                         box.addInternalPoint(vertices[1]);
 528
 529                         if(distance < mindistance)
 530                         {
 531                                 if(box.intersectsWithLine(shootline))
 532                                 {
 533                                         nodefound = true;
 534                                         nodepos = np;
 535                                         neighbourpos = np;
 536                                         mindistance = distance;
 537                                         nodehilightbox = box;
 538                                 }
 539                         }
 540                 }
 541
 542                 else if(n.getContent() == CONTENT_LADDER)
 543                 {
 544                         v3s16 dir = unpackDir(n.param2);
 545                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 546                         dir_f *= BS/2 - BS/6 - BS/20;
 547                         v3f cpf = npf + dir_f;
 548                         f32 distance = (cpf - camera_position).getLength();
 549
 550                         v3f vertices[4] =
 551                         {
 552                                 v3f(BS*0.42,-BS/2,-BS/2),
 553                                 v3f(BS*0.49, BS/2, BS/2),
 554                         };
 555
 556                         for(s32 i=0; i<2; i++)
 557                         {
 558                                 if(dir == v3s16(1,0,0))
 559                                         vertices[i].rotateXZBy(0);
 560                                 if(dir == v3s16(-1,0,0))
 561                                         vertices[i].rotateXZBy(180);
 562                                 if(dir == v3s16(0,0,1))
 563                                         vertices[i].rotateXZBy(90);
 564                                 if(dir == v3s16(0,0,-1))
 565                                         vertices[i].rotateXZBy(-90);
 566                                 if(dir == v3s16(0,-1,0))
 567                                         vertices[i].rotateXYBy(-90);
 568                                 if(dir == v3s16(0,1,0))
 569                                         vertices[i].rotateXYBy(90);
 570
 571                                 vertices[i] += npf;
 572                         }
 573
 574                         core::aabbox3d<f32> box;
 575
 576                         box = core::aabbox3d<f32>(vertices[0]);
 577                         box.addInternalPoint(vertices[1]);
 578
 579                         if(distance < mindistance)
 580                         {
 581                                 if(box.intersectsWithLine(shootline))
 582                                 {
 583                                         nodefound = true;
 584                                         nodepos = np;
 585                                         neighbourpos = np;
 586                                         mindistance = distance;
 587                                         nodehilightbox = box;
 588                                 }
 589                         }
 590                 }
 591                 else if(n.getContent() == CONTENT_RAIL)
 592                 {
 593                         v3s16 dir = unpackDir(n.param0);
 594                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 595                         dir_f *= BS/2 - BS/6 - BS/20;
 596                         v3f cpf = npf + dir_f;
 597                         f32 distance = (cpf - camera_position).getLength();
 598
 599                         float d = (float)BS/16;
 600                         v3f vertices[4] =
 601                         {
 602                                 v3f(BS/2, -BS/2+d, -BS/2),
 603                                 v3f(-BS/2, -BS/2, BS/2),
 604                         };
 605
 606                         for(s32 i=0; i<2; i++)
 607                         {
 608                                 vertices[i] += npf;
 609                         }
 610
 611                         core::aabbox3d<f32> box;
 612
 613                         box = core::aabbox3d<f32>(vertices[0]);
 614                         box.addInternalPoint(vertices[1]);
 615
 616                         if(distance < mindistance)
 617                         {
 618                                 if(box.intersectsWithLine(shootline))
 619                                 {
 620                                         nodefound = true;
 621                                         nodepos = np;
 622                                         neighbourpos = np;
 623                                         mindistance = distance;
 624                                         nodehilightbox = box;
 625                                 }
 626                         }
 627                 }
 628                 /*
 629                         Regular blocks
 630                 */
 631                 else
 632                 {
 633                         for(u16 i=0; i<6; i++)
 634                         {
 635                                 v3f dir_f = v3f(dirs[i].X,
 636                                                 dirs[i].Y, dirs[i].Z);
 637                                 v3f centerpoint = npf + dir_f * BS/2;
 638                                 f32 distance =
 639                                                 (centerpoint - camera_position).getLength();
 640
 641                                 if(distance < mindistance)
 642                                 {
 643                                         core::CMatrix4<f32> m;
 644                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 645
 646                                         // This is the back face
 647                                         v3f corners[2] = {
 648                                                 v3f(BS/2, BS/2, BS/2),
 649                                                 v3f(-BS/2, -BS/2, BS/2+d)
 650                                         };
 651
 652                                         for(u16 j=0; j<2; j++)
 653                                         {
 654                                                 m.rotateVect(corners[j]);
 655                                                 corners[j] += npf;
 656                                         }
 657
 658                                         core::aabbox3d<f32> facebox(corners[0]);
 659                                         facebox.addInternalPoint(corners[1]);
 660
 661                                         if(facebox.intersectsWithLine(shootline))
 662                                         {
 663                                                 nodefound = true;
 664                                                 nodepos = np;
 665                                                 neighbourpos = np + dirs[i];
 666                                                 mindistance = distance;
 667
 668                                                 //nodehilightbox = facebox;
 669
 670                                                 const float d = 0.502;
 671                                                 core::aabbox3d<f32> nodebox
 672                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 673                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 674                                                 nodebox.MinEdge += nodepos_f;
 675                                                 nodebox.MaxEdge += nodepos_f;
 676                                                 nodehilightbox = nodebox;
 677                                         }
 678                                 } // if distance < mindistance
 679                         } // for dirs
 680                 } // regular block
 681         } // for coords
 682 }
 683
 684 void update_skybox(video::IVideoDriver* driver,
 685                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 686                 float brightness)
 687 {
 688         if(skybox)
 689         {
 690                 skybox->remove();
 691         }
 692
 693         /*// Disable skybox if FarMesh is enabled
 694         if(g_settings.getBool("enable_farmesh"))
 695                 return;*/
 696
 697         if(brightness >= 0.5)
 698         {
 699                 skybox = smgr->addSkyBoxSceneNode(
 700                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 701                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 702                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 703                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 704                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 705                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 706         }
 707         else if(brightness >= 0.2)
 708         {
 709                 skybox = smgr->addSkyBoxSceneNode(
 710                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 711                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 712                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 713                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 714                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 715                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 716         }
 717         else
 718         {
 719                 skybox = smgr->addSkyBoxSceneNode(
 720                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 721                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 722                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 723                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 724                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 725                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 726         }
 727 }
 728
 729 /*
 730         Draws a screen with a single text on it.
 731         Text will be removed when the screen is drawn the next time.
 732 */
 733 /*gui::IGUIStaticText **/
 734 void draw_load_screen(const std::wstring &text,
 735                 video::IVideoDriver* driver, gui::IGUIFont* font)
 736 {
 737         v2u32 screensize = driver->getScreenSize();
 738         const wchar_t *loadingtext = text.c_str();
 739         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 740         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 741         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 742         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 743
 744         gui::IGUIStaticText *guitext = guienv->addStaticText(
 745                         loadingtext, textrect, false, false);
 746         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 747
 748         driver->beginScene(true, true, video::SColor(255,0,0,0));
 749         guienv->drawAll();
 750         driver->endScene();
 751
 752         guitext->remove();
 753
 754         //return guitext;
 755 }
 756
 757 void the_game(
 758         bool &kill,
 759         bool random_input,
 760         InputHandler *input,
 761         IrrlichtDevice *device,
 762         gui::IGUIFont* font,
 763         std::string map_dir,
 764         std::string playername,
 765         std::string password,
 766         std::string address,
 767         u16 port,
 768         std::wstring &error_message,
 769     std::string configpath
 770 )
 771 {
 772         video::IVideoDriver* driver = device->getVideoDriver();
 773         scene::ISceneManager* smgr = device->getSceneManager();
 774
 775         // Calculate text height using the font
 776         u32 text_height = font->getDimension(L"Random test string").Height;
 777
 778         v2u32 screensize(0,0);
 779         v2u32 last_screensize(0,0);
 780         screensize = driver->getScreenSize();
 781
 782         const s32 hotbar_itemcount = 8;
 783         //const s32 hotbar_imagesize = 36;
 784         //const s32 hotbar_imagesize = 64;
 785         s32 hotbar_imagesize = 48;
 786
 787         // The color of the sky
 788
 789         //video::SColor skycolor = video::SColor(255,140,186,250);
 790
 791         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 792
 793         /*
 794                 Draw "Loading" screen
 795         */
 796         /*gui::IGUIStaticText *gui_loadingtext = */
 797         //draw_load_screen(L"Loading and connecting...", driver, font);
 798
 799         draw_load_screen(L"Loading...", driver, font);
 800
 801         /*
 802                 Create server.
 803                 SharedPtr will delete it when it goes out of scope.
 804         */
 805         SharedPtr<Server> server;
 806         if(address == ""){
 807                 draw_load_screen(L"Creating server...", driver, font);
 808                 std::cout<<DTIME<<"Creating server"<<std::endl;
 809                 server = new Server(map_dir, configpath);
 810                 server->start(port);
 811         }
 812
 813         /*
 814                 Create client
 815         */
 816
 817         draw_load_screen(L"Creating client...", driver, font);
 818         std::cout<<DTIME<<"Creating client"<<std::endl;
 819         Client client(device, playername.c_str(), password, draw_control);
 820
 821         draw_load_screen(L"Resolving address...", driver, font);
 822         Address connect_address(0,0,0,0, port);
 823         try{
 824                 if(address == "")
 825                         //connect_address.Resolve("localhost");
 826                         connect_address.setAddress(127,0,0,1);
 827                 else
 828                         connect_address.Resolve(address.c_str());
 829         }
 830         catch(ResolveError &e)
 831         {
 832                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 833                 //return 0;
 834                 error_message = L"Couldn't resolve address";
 835                 //gui_loadingtext->remove();
 836                 return;
 837         }
 838
 839         /*
 840                 Attempt to connect to the server
 841         */
 842
 843         dstream<<DTIME<<"Connecting to server at ";
 844         connect_address.print(&dstream);
 845         dstream<<std::endl;
 846         client.connect(connect_address);
 847
 848         bool could_connect = false;
 849
 850         try{
 851                 float time_counter = 0.0;
 852                 for(;;)
 853                 {
 854                         if(client.connectedAndInitialized())
 855                         {
 856                                 could_connect = true;
 857                                 break;
 858                         }
 859                         if(client.accessDenied())
 860                         {
 861                                 break;
 862                         }
 863                         // Wait for 10 seconds
 864                         if(time_counter >= 10.0)
 865                         {
 866                                 break;
 867                         }
 868
 869                         std::wostringstream ss;
 870                         ss<<L"Connecting to server... (timeout in ";
 871                         ss<<(int)(10.0 - time_counter + 1.0);
 872                         ss<<L" seconds)";
 873                         draw_load_screen(ss.str(), driver, font);
 874
 875                         /*// Update screen
 876                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 877                         guienv->drawAll();
 878                         driver->endScene();*/
 879
 880                         // Update client and server
 881
 882                         client.step(0.1);
 883
 884                         if(server != NULL)
 885                                 server->step(0.1);
 886
 887                         // Delay a bit
 888                         sleep_ms(100);
 889                         time_counter += 0.1;
 890                 }
 891         }
 892         catch(con::PeerNotFoundException &e)
 893         {}
 894
 895         if(could_connect == false)
 896         {
 897                 if(client.accessDenied())
 898                 {
 899                         error_message = L"Access denied. Reason: "
 900                                         +client.accessDeniedReason();
 901                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
 902                 }
 903                 else
 904                 {
 905                         error_message = L"Connection timed out.";
 906                         std::cout<<DTIME<<"Timed out."<<std::endl;
 907                 }
 908                 //gui_loadingtext->remove();
 909                 return;
 910         }
 911
 912         /*
 913                 Create skybox
 914         */
 915         float old_brightness = 1.0;
 916         scene::ISceneNode* skybox = NULL;
 917         update_skybox(driver, smgr, skybox, 1.0);
 918
 919         /*
 920                 Create the camera node
 921         */
 922
 923         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 924                 0, // Camera parent
 925                 v3f(BS*100, BS*2, BS*100), // Look from
 926                 v3f(BS*100+1, BS*2, BS*100), // Look to
 927                 -1 // Camera ID
 928         );
 929
 930         if(camera == NULL)
 931         {
 932                 error_message = L"Failed to create the camera node";
 933                 return;
 934         }
 935
 936         camera->setFOV(FOV_ANGLE);
 937
 938         // Just so big a value that everything rendered is visible
 939         camera->setFarValue(100000*BS);
 940
 941         f32 camera_yaw = 0; // "right/left"
 942         f32 camera_pitch = 0; // "up/down"
 943
 944         /*
 945                 Clouds
 946         */
 947
 948         float cloud_height = BS*100;
 949         Clouds *clouds = NULL;
 950         if(g_settings.getBool("enable_clouds"))
 951         {
 952                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 953                                 cloud_height, time(0));
 954         }
 955
 956         /*
 957                 FarMesh
 958         */
 959
 960         FarMesh *farmesh = NULL;
 961         if(g_settings.getBool("enable_farmesh"))
 962         {
 963                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 964         }
 965
 966         /*
 967                 Move into game
 968         */
 969
 970         //gui_loadingtext->remove();
 971
 972         /*
 973                 Add some gui stuff
 974         */
 975
 976         // First line of debug text
 977         gui::IGUIStaticText *guitext = guienv->addStaticText(
 978                         L"Minetest-c55",
 979                         core::rect<s32>(5, 5, 795, 5+text_height),
 980                         false, false);
 981         // Second line of debug text
 982         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
 983                         L"",
 984                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
 985                         false, false);
 986
 987         // At the middle of the screen
 988         // Object infos are shown in this
 989         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 990                         L"",
 991                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
 992                         false, false);
 993
 994         // Chat text
 995         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
 996                         L"",
 997                         core::rect<s32>(0,0,0,0),
 998                         //false, false); // Disable word wrap as of now
 999                         false, true);
1000         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
1001         core::list<ChatLine> chat_lines;
1002
1003         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
1004                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
1005         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
1006                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
1007
1008         // Test the text input system
1009         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
1010                         NULL))->drop();*/
1011         /*GUIMessageMenu *menu =
1012                         new GUIMessageMenu(guienv, guiroot, -1,
1013                                 &g_menumgr,
1014                                 L"Asd");
1015         menu->drop();*/
1016
1017         // Launch pause menu
1018         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1019                         &g_menumgr))->drop();
1020
1021         // Enable texts
1022         /*guitext2->setVisible(true);
1023         guitext_info->setVisible(true);
1024         guitext_chat->setVisible(true);*/
1025
1026         //s32 guitext_chat_pad_bottom = 70;
1027
1028         /*
1029                 Some statistics are collected in these
1030         */
1031         u32 drawtime = 0;
1032         u32 beginscenetime = 0;
1033         u32 scenetime = 0;
1034         u32 endscenetime = 0;
1035
1036         // A test
1037         //throw con::PeerNotFoundException("lol");
1038
1039         core::list<float> frametime_log;
1040
1041         float damage_flash_timer = 0;
1042         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1043
1044         bool invert_mouse = g_settings.getBool("invert_mouse");
1045
1046         /*
1047                 Main loop
1048         */
1049
1050         bool first_loop_after_window_activation = true;
1051
1052         // TODO: Convert the static interval timers to these
1053         // Interval limiter for profiler
1054         IntervalLimiter m_profiler_interval;
1055
1056         // Time is in milliseconds
1057         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1058         // NOTE: So we have to use getTime() and call run()s between them
1059         u32 lasttime = device->getTimer()->getTime();
1060
1061         while(device->run() && kill == false)
1062         {
1063                 //std::cerr<<"frame"<<std::endl;
1064
1065                 if(client.accessDenied())
1066                 {
1067                         error_message = L"Access denied. Reason: "
1068                                         +client.accessDeniedReason();
1069                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
1070                         break;
1071                 }
1072
1073                 if(g_gamecallback->disconnect_requested)
1074                 {
1075                         g_gamecallback->disconnect_requested = false;
1076                         break;
1077                 }
1078
1079                 if(g_gamecallback->changepassword_requested)
1080                 {
1081                         (new GUIPasswordChange(guienv, guiroot, -1,
1082                                 &g_menumgr, &client))->drop();
1083                         g_gamecallback->changepassword_requested = false;
1084                 }
1085
1086                 /*
1087                         Process TextureSource's queue
1088                 */
1089                 ((TextureSource*)g_texturesource)->processQueue();
1090
1091                 /*
1092                         Random calculations
1093                 */
1094                 last_screensize = screensize;
1095                 screensize = driver->getScreenSize();
1096                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1097                 //bool screensize_changed = screensize != last_screensize;
1098
1099                 // Resize hotbar
1100                 if(screensize.Y <= 800)
1101                         hotbar_imagesize = 32;
1102                 else if(screensize.Y <= 1280)
1103                         hotbar_imagesize = 48;
1104                 else
1105                         hotbar_imagesize = 64;
1106
1107                 // Hilight boxes collected during the loop and displayed
1108                 core::list< core::aabbox3d<f32> > hilightboxes;
1109
1110                 // Info text
1111                 std::wstring infotext;
1112
1113                 // When screen size changes, update positions and sizes of stuff
1114                 /*if(screensize_changed)
1115                 {
1116                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1117                         quick_inventory->updatePosition(pos);
1118                 }*/
1119
1120                 //TimeTaker //timer1("//timer1");
1121
1122                 // Time of frame without fps limit
1123                 float busytime;
1124                 u32 busytime_u32;
1125                 {
1126                         // not using getRealTime is necessary for wine
1127                         u32 time = device->getTimer()->getTime();
1128                         if(time > lasttime)
1129                                 busytime_u32 = time - lasttime;
1130                         else
1131                                 busytime_u32 = 0;
1132                         busytime = busytime_u32 / 1000.0;
1133                 }
1134
1135                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1136
1137                 // Necessary for device->getTimer()->getTime()
1138                 device->run();
1139
1140                 /*
1141                         Viewing range
1142                 */
1143
1144                 updateViewingRange(busytime, &client);
1145
1146                 /*
1147                         FPS limiter
1148                 */
1149
1150                 {
1151                         float fps_max = g_settings.getFloat("fps_max");
1152                         u32 frametime_min = 1000./fps_max;
1153
1154                         if(busytime_u32 < frametime_min)
1155                         {
1156                                 u32 sleeptime = frametime_min - busytime_u32;
1157                                 device->sleep(sleeptime);
1158                         }
1159                 }
1160
1161                 // Necessary for device->getTimer()->getTime()
1162                 device->run();
1163
1164                 /*
1165                         Time difference calculation
1166                 */
1167                 f32 dtime; // in seconds
1168
1169                 u32 time = device->getTimer()->getTime();
1170                 if(time > lasttime)
1171                         dtime = (time - lasttime) / 1000.0;
1172                 else
1173                         dtime = 0;
1174                 lasttime = time;
1175
1176                 /*
1177                         Log frametime for visualization
1178                 */
1179                 frametime_log.push_back(dtime);
1180                 if(frametime_log.size() > 100)
1181                 {
1182                         core::list<float>::Iterator i = frametime_log.begin();
1183                         frametime_log.erase(i);
1184                 }
1185
1186                 /*
1187                         Visualize frametime in terminal
1188                 */
1189                 /*for(u32 i=0; i<dtime*400; i++)
1190                         std::cout<<"X";
1191                 std::cout<<std::endl;*/
1192
1193                 /*
1194                         Time average and jitter calculation
1195                 */
1196
1197                 static f32 dtime_avg1 = 0.0;
1198                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1199                 f32 dtime_jitter1 = dtime - dtime_avg1;
1200
1201                 static f32 dtime_jitter1_max_sample = 0.0;
1202                 static f32 dtime_jitter1_max_fraction = 0.0;
1203                 {
1204                         static f32 jitter1_max = 0.0;
1205                         static f32 counter = 0.0;
1206                         if(dtime_jitter1 > jitter1_max)
1207                                 jitter1_max = dtime_jitter1;
1208                         counter += dtime;
1209                         if(counter > 0.0)
1210                         {
1211                                 counter -= 3.0;
1212                                 dtime_jitter1_max_sample = jitter1_max;
1213                                 dtime_jitter1_max_fraction
1214                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1215                                 jitter1_max = 0.0;
1216                         }
1217                 }
1218
1219                 /*
1220                         Busytime average and jitter calculation
1221                 */
1222
1223                 static f32 busytime_avg1 = 0.0;
1224                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1225                 f32 busytime_jitter1 = busytime - busytime_avg1;
1226
1227                 static f32 busytime_jitter1_max_sample = 0.0;
1228                 static f32 busytime_jitter1_min_sample = 0.0;
1229                 {
1230                         static f32 jitter1_max = 0.0;
1231                         static f32 jitter1_min = 0.0;
1232                         static f32 counter = 0.0;
1233                         if(busytime_jitter1 > jitter1_max)
1234                                 jitter1_max = busytime_jitter1;
1235                         if(busytime_jitter1 < jitter1_min)
1236                                 jitter1_min = busytime_jitter1;
1237                         counter += dtime;
1238                         if(counter > 0.0){
1239                                 counter -= 3.0;
1240                                 busytime_jitter1_max_sample = jitter1_max;
1241                                 busytime_jitter1_min_sample = jitter1_min;
1242                                 jitter1_max = 0.0;
1243                                 jitter1_min = 0.0;
1244                         }
1245                 }
1246
1247                 /*
1248                         Debug info for client
1249                 */
1250                 {
1251                         static float counter = 0.0;
1252                         counter -= dtime;
1253                         if(counter < 0)
1254                         {
1255                                 counter = 30.0;
1256                                 client.printDebugInfo(std::cout);
1257                         }
1258                 }
1259
1260                 /*
1261                         Profiler
1262                 */
1263                 float profiler_print_interval =
1264                                 g_settings.getFloat("profiler_print_interval");
1265                 if(profiler_print_interval != 0)
1266                 {
1267                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1268                         {
1269                                 dstream<<"Profiler:"<<std::endl;
1270                                 g_profiler.print(dstream);
1271                                 g_profiler.clear();
1272                         }
1273                 }
1274
1275                 /*
1276                         Direct handling of user input
1277                 */
1278
1279                 // Reset input if window not active or some menu is active
1280                 if(device->isWindowActive() == false || noMenuActive() == false)
1281                 {
1282                         input->clear();
1283                 }
1284
1285                 // Input handler step() (used by the random input generator)
1286                 input->step(dtime);
1287
1288                 /*
1289                         Launch menus according to keys
1290                 */
1291                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1292                 {
1293                         dstream<<DTIME<<"the_game: "
1294                                         <<"Launching inventory"<<std::endl;
1295
1296                         GUIInventoryMenu *menu =
1297                                 new GUIInventoryMenu(guienv, guiroot, -1,
1298                                         &g_menumgr, v2s16(8,7),
1299                                         client.getInventoryContext(),
1300                                         &client);
1301
1302                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1303                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1304                                         "list", "current_player", "main",
1305                                         v2s32(0, 3), v2s32(8, 4)));
1306                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1307                                         "list", "current_player", "craft",
1308                                         v2s32(3, 0), v2s32(3, 3)));
1309                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1310                                         "list", "current_player", "craftresult",
1311                                         v2s32(7, 1), v2s32(1, 1)));
1312
1313                         menu->setDrawSpec(draw_spec);
1314
1315                         menu->drop();
1316                 }
1317                 else if(input->wasKeyDown(KEY_ESCAPE))
1318                 {
1319                         dstream<<DTIME<<"the_game: "
1320                                         <<"Launching pause menu"<<std::endl;
1321                         // It will delete itself by itself
1322                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1323                                         &g_menumgr))->drop();
1324
1325                         // Move mouse cursor on top of the disconnect button
1326                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1327                 }
1328                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1329                 {
1330                         TextDest *dest = new TextDestChat(&client);
1331
1332                         (new GUITextInputMenu(guienv, guiroot, -1,
1333                                         &g_menumgr, dest,
1334                                         L""))->drop();
1335                 }
1336                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1337                 {
1338                         if(g_settings.getBool("free_move"))
1339                         {
1340                                 g_settings.set("free_move","false");
1341                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1342                         }
1343                         else
1344                         {
1345                                 g_settings.set("free_move","true");
1346                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1347                         }
1348                 }
1349                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1350                 {
1351                         if(g_settings.getBool("fast_move"))
1352                         {
1353                                 g_settings.set("fast_move","false");
1354                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1355                         }
1356                         else
1357                         {
1358                                 g_settings.set("fast_move","true");
1359                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1360                         }
1361                 }
1362                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1363                 {
1364                         if(g_settings.getBool("frametime_graph"))
1365                         {
1366                                 g_settings.set("frametime_graph","false");
1367                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1368                         }
1369                         else
1370                         {
1371                                 g_settings.set("frametime_graph","true");
1372                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1373                         }
1374                 }
1375                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1376                 {
1377                         irr::video::IImage* const image = driver->createScreenShot();
1378                         if (image) {
1379                                 irr::c8 filename[256];
1380                                 snprintf(filename, 256, "%s/screenshot_%u.png",
1381                                                  g_settings.get("screenshot_path").c_str(),
1382                                                  device->getTimer()->getRealTime());
1383                                 if (driver->writeImageToFile(image, filename)) {
1384                                         std::wstringstream sstr;
1385                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1386                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1387                                         chat_lines.push_back(ChatLine(sstr.str()));
1388                                 } else{
1389                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1390                                 }
1391                                 image->drop();
1392                         }
1393                 }
1394
1395                 // Item selection with mouse wheel
1396                 {
1397                         s32 wheel = input->getMouseWheel();
1398                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1399                                         hotbar_itemcount-1);
1400
1401                         if(wheel < 0)
1402                         {
1403                                 if(g_selected_item < max_item)
1404                                         g_selected_item++;
1405                                 else
1406                                         g_selected_item = 0;
1407                         }
1408                         else if(wheel > 0)
1409                         {
1410                                 if(g_selected_item > 0)
1411                                         g_selected_item--;
1412                                 else
1413                                         g_selected_item = max_item;
1414                         }
1415                 }
1416
1417                 // Item selection
1418                 for(u16 i=0; i<10; i++)
1419                 {
1420                         s32 keycode = irr::KEY_KEY_1 + i;
1421                         if(i == 9)
1422                                 keycode = irr::KEY_KEY_0;
1423                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1424                         {
1425                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1426                                 {
1427                                         g_selected_item = i;
1428
1429                                         dstream<<DTIME<<"Selected item: "
1430                                                         <<g_selected_item<<std::endl;
1431                                 }
1432                         }
1433                 }
1434
1435                 // Viewing range selection
1436                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1437                 {
1438                         if(draw_control.range_all)
1439                         {
1440                                 draw_control.range_all = false;
1441                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1442                         }
1443                         else
1444                         {
1445                                 draw_control.range_all = true;
1446                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1447                         }
1448                 }
1449
1450                 // Print debug stacks
1451                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1452                 {
1453                         dstream<<"-----------------------------------------"
1454                                         <<std::endl;
1455                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1456                         dstream<<"-----------------------------------------"
1457                                         <<std::endl;
1458                         debug_stacks_print();
1459                 }
1460
1461                 /*
1462                         Player speed control
1463                         TODO: Cache the keycodes from getKeySetting
1464                 */
1465
1466                 {
1467                         /*bool a_up,
1468                         bool a_down,
1469                         bool a_left,
1470                         bool a_right,
1471                         bool a_jump,
1472                         bool a_superspeed,
1473                         bool a_sneak,
1474                         float a_pitch,
1475                         float a_yaw*/
1476                         PlayerControl control(
1477                                 input->isKeyDown(getKeySetting("keymap_forward")),
1478                                 input->isKeyDown(getKeySetting("keymap_backward")),
1479                                 input->isKeyDown(getKeySetting("keymap_left")),
1480                                 input->isKeyDown(getKeySetting("keymap_right")),
1481                                 input->isKeyDown(getKeySetting("keymap_jump")),
1482                                 input->isKeyDown(getKeySetting("keymap_special1")),
1483                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1484                                 camera_pitch,
1485                                 camera_yaw
1486                         );
1487                         client.setPlayerControl(control);
1488                 }
1489
1490                 /*
1491                         Run server
1492                 */
1493
1494                 if(server != NULL)
1495                 {
1496                         //TimeTaker timer("server->step(dtime)");
1497                         server->step(dtime);
1498                 }
1499
1500                 /*
1501                         Process environment
1502                 */
1503
1504                 {
1505                         //TimeTaker timer("client.step(dtime)");
1506                         client.step(dtime);
1507                         //client.step(dtime_avg1);
1508                 }
1509
1510                 // Read client events
1511                 for(;;)
1512                 {
1513                         ClientEvent event = client.getClientEvent();
1514                         if(event.type == CE_NONE)
1515                         {
1516                                 break;
1517                         }
1518                         else if(event.type == CE_PLAYER_DAMAGE)
1519                         {
1520                                 //u16 damage = event.player_damage.amount;
1521                                 //dstream<<"Player damage: "<<damage<<std::endl;
1522                                 damage_flash_timer = 0.05;
1523                         }
1524                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1525                         {
1526                                 camera_yaw = event.player_force_move.yaw;
1527                                 camera_pitch = event.player_force_move.pitch;
1528                         }
1529                 }
1530
1531                 // Get player position
1532                 v3f camera_position;
1533                 v3f player_position = client.getPlayerPosition(&camera_position);
1534
1535                 //TimeTaker //timer2("//timer2");
1536
1537                 /*
1538                         Mouse and camera control
1539                 */
1540
1541                 if((device->isWindowActive() && noMenuActive()) || random_input)
1542                 {
1543                         if(!random_input)
1544                         {
1545                                 // Mac OSX gets upset if this is set every frame
1546                                 if(device->getCursorControl()->isVisible())
1547                                         device->getCursorControl()->setVisible(false);
1548                         }
1549
1550                         if(first_loop_after_window_activation){
1551                                 //std::cout<<"window active, first loop"<<std::endl;
1552                                 first_loop_after_window_activation = false;
1553                         }
1554                         else{
1555                                 s32 dx = input->getMousePos().X - displaycenter.X;
1556                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1557                                 if(invert_mouse)
1558                                         dy = -dy;
1559                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1560
1561                                 /*const float keyspeed = 500;
1562                                 if(input->isKeyDown(irr::KEY_UP))
1563                                         dy -= dtime * keyspeed;
1564                                 if(input->isKeyDown(irr::KEY_DOWN))
1565                                         dy += dtime * keyspeed;
1566                                 if(input->isKeyDown(irr::KEY_LEFT))
1567                                         dx -= dtime * keyspeed;
1568                                 if(input->isKeyDown(irr::KEY_RIGHT))
1569                                         dx += dtime * keyspeed;*/
1570
1571                                 camera_yaw -= dx*0.2;
1572                                 camera_pitch += dy*0.2;
1573                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1574                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1575                         }
1576                         input->setMousePos(displaycenter.X, displaycenter.Y);
1577                 }
1578                 else{
1579                         // Mac OSX gets upset if this is set every frame
1580                         if(device->getCursorControl()->isVisible() == false)
1581                                 device->getCursorControl()->setVisible(true);
1582
1583                         //std::cout<<"window inactive"<<std::endl;
1584                         first_loop_after_window_activation = true;
1585                 }
1586
1587                 camera_yaw = wrapDegrees(camera_yaw);
1588                 camera_pitch = wrapDegrees(camera_pitch);
1589
1590                 v3f camera_direction = v3f(0,0,1);
1591                 camera_direction.rotateYZBy(camera_pitch);
1592                 camera_direction.rotateXZBy(camera_yaw);
1593
1594                 camera->setPosition(camera_position);
1595                 // *100.0 helps in large map coordinates
1596                 camera->setTarget(camera_position + camera_direction * 100.0);
1597
1598                 if(FIELD_OF_VIEW_TEST){
1599                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1600                 }
1601                 else{
1602                         //TimeTaker timer("client.updateCamera");
1603                         client.updateCamera(camera_position, camera_direction);
1604                 }
1605
1606                 //timer2.stop();
1607                 //TimeTaker //timer3("//timer3");
1608
1609                 /*
1610                         Calculate what block is the crosshair pointing to
1611                 */
1612
1613                 //u32 t1 = device->getTimer()->getRealTime();
1614
1615                 //f32 d = 4; // max. distance
1616                 f32 d = 4; // max. distance
1617                 core::line3d<f32> shootline(camera_position,
1618                                 camera_position + camera_direction * BS * (d+1));
1619
1620                 MapBlockObject *selected_object = client.getSelectedObject
1621                                 (d*BS, camera_position, shootline);
1622
1623                 ClientActiveObject *selected_active_object
1624                                 = client.getSelectedActiveObject
1625                                         (d*BS, camera_position, shootline);
1626
1627                 if(selected_object != NULL)
1628                 {
1629                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1630
1631                         core::aabbox3d<f32> box_on_map
1632                                         = selected_object->getSelectionBoxOnMap();
1633
1634                         hilightboxes.push_back(box_on_map);
1635
1636                         infotext = narrow_to_wide(selected_object->infoText());
1637
1638                         if(input->getLeftClicked())
1639                         {
1640                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1641                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1642                                                 selected_object->getId(), g_selected_item);
1643                         }
1644                         else if(input->getRightClicked())
1645                         {
1646                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1647                                 /*
1648                                         Check if we want to modify the object ourselves
1649                                 */
1650                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1651                                 {
1652                                         dstream<<"Sign object right-clicked"<<std::endl;
1653
1654                                         if(random_input == false)
1655                                         {
1656                                                 // Get a new text for it
1657
1658                                                 TextDest *dest = new TextDestSign(
1659                                                                 selected_object->getBlock()->getPos(),
1660                                                                 selected_object->getId(),
1661                                                                 &client);
1662
1663                                                 SignObject *sign_object = (SignObject*)selected_object;
1664
1665                                                 std::wstring wtext =
1666                                                                 narrow_to_wide(sign_object->getText());
1667
1668                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1669                                                                 &g_menumgr, dest,
1670                                                                 wtext))->drop();
1671                                         }
1672                                 }
1673                                 /*
1674                                         Otherwise pass the event to the server as-is
1675                                 */
1676                                 else
1677                                 {
1678                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1679                                                         selected_object->getId(), g_selected_item);
1680                                 }
1681                         }
1682                 }
1683                 else if(selected_active_object != NULL)
1684                 {
1685                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1686
1687                         core::aabbox3d<f32> *selection_box
1688                                         = selected_active_object->getSelectionBox();
1689                         // Box should exist because object was returned in the
1690                         // first place
1691                         assert(selection_box);
1692
1693                         v3f pos = selected_active_object->getPosition();
1694
1695                         core::aabbox3d<f32> box_on_map(
1696                                         selection_box->MinEdge + pos,
1697                                         selection_box->MaxEdge + pos
1698                         );
1699
1700                         hilightboxes.push_back(box_on_map);
1701
1702                         //infotext = narrow_to_wide("A ClientActiveObject");
1703                         infotext = narrow_to_wide(selected_active_object->infoText());
1704
1705                         if(input->getLeftClicked())
1706                         {
1707                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1708                                 client.clickActiveObject(0,
1709                                                 selected_active_object->getId(), g_selected_item);
1710                         }
1711                         else if(input->getRightClicked())
1712                         {
1713                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1714                                 client.clickActiveObject(1,
1715                                                 selected_active_object->getId(), g_selected_item);
1716                         }
1717                 }
1718                 else // selected_object == NULL
1719                 {
1720
1721                 /*
1722                         Find out which node we are pointing at
1723                 */
1724
1725                 bool nodefound = false;
1726                 v3s16 nodepos;
1727                 v3s16 neighbourpos;
1728                 core::aabbox3d<f32> nodehilightbox;
1729
1730                 getPointedNode(&client, player_position,
1731                                 camera_direction, camera_position,
1732                                 nodefound, shootline,
1733                                 nodepos, neighbourpos,
1734                                 nodehilightbox, d);
1735
1736                 static float nodig_delay_counter = 0.0;
1737
1738                 if(nodefound)
1739                 {
1740                         static v3s16 nodepos_old(-32768,-32768,-32768);
1741
1742                         static float dig_time = 0.0;
1743                         static u16 dig_index = 0;
1744
1745                         /*
1746                                 Visualize selection
1747                         */
1748
1749                         hilightboxes.push_back(nodehilightbox);
1750
1751                         /*
1752                                 Check information text of node
1753                         */
1754
1755                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1756                         if(meta)
1757                         {
1758                                 infotext = narrow_to_wide(meta->infoText());
1759                         }
1760
1761                         //MapNode node = client.getNode(nodepos);
1762
1763                         /*
1764                                 Handle digging
1765                         */
1766
1767                         if(input->getLeftReleased())
1768                         {
1769                                 client.clearTempMod(nodepos);
1770                                 dig_time = 0.0;
1771                         }
1772
1773                         if(nodig_delay_counter > 0.0)
1774                         {
1775                                 nodig_delay_counter -= dtime;
1776                         }
1777                         else
1778                         {
1779                                 if(nodepos != nodepos_old)
1780                                 {
1781                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1782                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1783
1784                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1785                                         {
1786                                                 client.clearTempMod(nodepos_old);
1787                                                 dig_time = 0.0;
1788                                         }
1789                                 }
1790
1791                                 if(input->getLeftClicked() ||
1792                                                 (input->getLeftState() && nodepos != nodepos_old))
1793                                 {
1794                                         dstream<<DTIME<<"Started digging"<<std::endl;
1795                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1796                                 }
1797                                 if(input->getLeftClicked())
1798                                 {
1799                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1800                                 }
1801                                 if(input->getLeftState())
1802                                 {
1803                                         MapNode n = client.getNode(nodepos);
1804
1805                                         // Get tool name. Default is "" = bare hands
1806                                         std::string toolname = "";
1807                                         InventoryList *mlist = local_inventory.getList("main");
1808                                         if(mlist != NULL)
1809                                         {
1810                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1811                                                 if(item && (std::string)item->getName() == "ToolItem")
1812                                                 {
1813                                                         ToolItem *titem = (ToolItem*)item;
1814                                                         toolname = titem->getToolName();
1815                                                 }
1816                                         }
1817
1818                                         // Get digging properties for material and tool
1819                                         content_t material = n.getContent();
1820                                         DiggingProperties prop =
1821                                                         getDiggingProperties(material, toolname);
1822
1823                                         float dig_time_complete = 0.0;
1824
1825                                         if(prop.diggable == false)
1826                                         {
1827                                                 /*dstream<<"Material "<<(int)material
1828                                                                 <<" not diggable with \""
1829                                                                 <<toolname<<"\""<<std::endl;*/
1830                                                 // I guess nobody will wait for this long
1831                                                 dig_time_complete = 10000000.0;
1832                                         }
1833                                         else
1834                                         {
1835                                                 dig_time_complete = prop.time;
1836                                         }
1837
1838                                         if(dig_time_complete >= 0.001)
1839                                         {
1840                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1841                                                                 * dig_time/dig_time_complete);
1842                                         }
1843                                         // This is for torches
1844                                         else
1845                                         {
1846                                                 dig_index = CRACK_ANIMATION_LENGTH;
1847                                         }
1848
1849                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1850                                         {
1851                                                 //TimeTaker timer("client.setTempMod");
1852                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1853                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1854                                         }
1855                                         else
1856                                         {
1857                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1858                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1859                                                 client.clearTempMod(nodepos);
1860                                                 client.removeNode(nodepos);
1861
1862                                                 dig_time = 0;
1863
1864                                                 nodig_delay_counter = dig_time_complete
1865                                                                 / (float)CRACK_ANIMATION_LENGTH;
1866
1867                                                 // We don't want a corresponding delay to
1868                                                 // very time consuming nodes
1869                                                 if(nodig_delay_counter > 0.5)
1870                                                 {
1871                                                         nodig_delay_counter = 0.5;
1872                                                 }
1873                                                 // We want a slight delay to very little
1874                                                 // time consuming nodes
1875                                                 float mindelay = 0.15;
1876                                                 if(nodig_delay_counter < mindelay)
1877                                                 {
1878                                                         nodig_delay_counter = mindelay;
1879                                                 }
1880                                         }
1881
1882                                         dig_time += dtime;
1883                                 }
1884                         }
1885
1886                         if(input->getRightClicked())
1887                         {
1888                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1889
1890                                 // If metadata provides an inventory view, activate it
1891                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1892                                 {
1893                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1894                                         /*
1895                                                 Construct the unique identification string of the node
1896                                         */
1897                                         std::string current_name;
1898                                         current_name += "nodemeta:";
1899                                         current_name += itos(nodepos.X);
1900                                         current_name += ",";
1901                                         current_name += itos(nodepos.Y);
1902                                         current_name += ",";
1903                                         current_name += itos(nodepos.Z);
1904
1905                                         /*
1906                                                 Create menu
1907                                         */
1908
1909                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1910                                         v2s16 invsize =
1911                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1912                                                         draw_spec,
1913                                                         meta->getInventoryDrawSpecString(),
1914                                                         current_name);
1915
1916                                         GUIInventoryMenu *menu =
1917                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1918                                                         &g_menumgr, invsize,
1919                                                         client.getInventoryContext(),
1920                                                         &client);
1921                                         menu->setDrawSpec(draw_spec);
1922                                         menu->drop();
1923                                 }
1924                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1925                                 {
1926                                         dstream<<"Sign node right-clicked"<<std::endl;
1927
1928                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1929
1930                                         // Get a new text for it
1931
1932                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1933
1934                                         std::wstring wtext =
1935                                                         narrow_to_wide(signmeta->getText());
1936
1937                                         (new GUITextInputMenu(guienv, guiroot, -1,
1938                                                         &g_menumgr, dest,
1939                                                         wtext))->drop();
1940                                 }
1941                                 else
1942                                 {
1943                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1944                                 }
1945                         }
1946
1947                         nodepos_old = nodepos;
1948                 }
1949                 else{
1950                 }
1951
1952                 } // selected_object == NULL
1953
1954                 input->resetLeftClicked();
1955                 input->resetRightClicked();
1956
1957                 if(input->getLeftReleased())
1958                 {
1959                         std::cout<<DTIME<<"Left button released (stopped digging)"
1960                                         <<std::endl;
1961                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1962                 }
1963                 if(input->getRightReleased())
1964                 {
1965                         //std::cout<<DTIME<<"Right released"<<std::endl;
1966                         // Nothing here
1967                 }
1968
1969                 input->resetLeftReleased();
1970                 input->resetRightReleased();
1971
1972                 /*
1973                         Calculate stuff for drawing
1974                 */
1975
1976                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1977
1978                 u32 daynight_ratio = client.getDayNightRatio();
1979                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1980                 video::SColor bgcolor = video::SColor(
1981                                 255,
1982                                 bgcolor_bright.getRed() * l / 255,
1983                                 bgcolor_bright.getGreen() * l / 255,
1984                                 bgcolor_bright.getBlue() * l / 255);
1985                                 /*skycolor.getRed() * l / 255,
1986                                 skycolor.getGreen() * l / 255,
1987                                 skycolor.getBlue() * l / 255);*/
1988
1989                 float brightness = (float)l/255.0;
1990
1991                 /*
1992                         Update skybox
1993                 */
1994                 if(fabs(brightness - old_brightness) > 0.01)
1995                         update_skybox(driver, smgr, skybox, brightness);
1996
1997                 /*
1998                         Update coulds
1999                 */
2000                 if(clouds)
2001                 {
2002                         clouds->step(dtime);
2003                         clouds->update(v2f(player_position.X, player_position.Z),
2004                                         0.05+brightness*0.95);
2005                 }
2006
2007                 /*
2008                         Update farmesh
2009                 */
2010                 if(farmesh)
2011                 {
2012                         farmesh_range = draw_control.wanted_range * 10;
2013                         if(draw_control.range_all && farmesh_range < 500)
2014                                 farmesh_range = 500;
2015                         if(farmesh_range > 1000)
2016                                 farmesh_range = 1000;
2017
2018                         farmesh->step(dtime);
2019                         farmesh->update(v2f(player_position.X, player_position.Z),
2020                                         0.05+brightness*0.95, farmesh_range);
2021                 }
2022
2023                 // Store brightness value
2024                 old_brightness = brightness;
2025
2026                 /*
2027                         Fog
2028                 */
2029
2030                 if(g_settings.getBool("enable_fog") == true)
2031                 {
2032                         f32 range;
2033                         if(farmesh)
2034                         {
2035                                 range = BS*farmesh_range;
2036                         }
2037                         else
2038                         {
2039                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
2040                                 if(draw_control.range_all)
2041                                         range = 100000*BS;
2042                                 if(range < 50*BS)
2043                                         range = range * 0.5 + 25*BS;
2044                         }
2045
2046                         driver->setFog(
2047                                 bgcolor,
2048                                 video::EFT_FOG_LINEAR,
2049                                 range*0.4,
2050                                 range*1.0,
2051                                 0.01,
2052                                 false, // pixel fog
2053                                 false // range fog
2054                         );
2055                 }
2056                 else
2057                 {
2058                         driver->setFog(
2059                                 bgcolor,
2060                                 video::EFT_FOG_LINEAR,
2061                                 100000*BS,
2062                                 110000*BS,
2063                                 0.01,
2064                                 false, // pixel fog
2065                                 false // range fog
2066                         );
2067                 }
2068
2069
2070                 /*
2071                         Update gui stuff (0ms)
2072                 */
2073
2074                 //TimeTaker guiupdatetimer("Gui updating");
2075
2076                 {
2077                         static float drawtime_avg = 0;
2078                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2079                         static float beginscenetime_avg = 0;
2080                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2081                         static float scenetime_avg = 0;
2082                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2083                         static float endscenetime_avg = 0;
2084                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
2085
2086                         char temptext[300];
2087                         snprintf(temptext, 300, "Minetest-c55 %s ("
2088                                         "R: range_all=%i"
2089                                         ")"
2090                                         " drawtime=%.0f, beginscenetime=%.0f"
2091                                         ", scenetime=%.0f, endscenetime=%.0f",
2092                                         VERSION_STRING,
2093                                         draw_control.range_all,
2094                                         drawtime_avg,
2095                                         beginscenetime_avg,
2096                                         scenetime_avg,
2097                                         endscenetime_avg
2098                                         );
2099
2100                         guitext->setText(narrow_to_wide(temptext).c_str());
2101                 }
2102
2103                 {
2104                         char temptext[300];
2105                         snprintf(temptext, 300,
2106                                         "(% .1f, % .1f, % .1f)"
2107                                         " (% .3f < btime_jitter < % .3f"
2108                                         ", dtime_jitter = % .1f %%"
2109                                         ", v_range = %.1f)",
2110                                         player_position.X/BS,
2111                                         player_position.Y/BS,
2112                                         player_position.Z/BS,
2113                                         busytime_jitter1_min_sample,
2114                                         busytime_jitter1_max_sample,
2115                                         dtime_jitter1_max_fraction * 100.0,
2116                                         draw_control.wanted_range
2117                                         );
2118
2119                         guitext2->setText(narrow_to_wide(temptext).c_str());
2120                 }
2121
2122                 {
2123                         guitext_info->setText(infotext.c_str());
2124                 }
2125
2126                 /*
2127                         Get chat messages from client
2128                 */
2129                 {
2130                         // Get new messages
2131                         std::wstring message;
2132                         while(client.getChatMessage(message))
2133                         {
2134                                 chat_lines.push_back(ChatLine(message));
2135                                 /*if(chat_lines.size() > 6)
2136                                 {
2137                                         core::list<ChatLine>::Iterator
2138                                                         i = chat_lines.begin();
2139                                         chat_lines.erase(i);
2140                                 }*/
2141                         }
2142                         // Append them to form the whole static text and throw
2143                         // it to the gui element
2144                         std::wstring whole;
2145                         // This will correspond to the line number counted from
2146                         // top to bottom, from size-1 to 0
2147                         s16 line_number = chat_lines.size();
2148                         // Count of messages to be removed from the top
2149                         u16 to_be_removed_count = 0;
2150                         for(core::list<ChatLine>::Iterator
2151                                         i = chat_lines.begin();
2152                                         i != chat_lines.end(); i++)
2153                         {
2154                                 // After this, line number is valid for this loop
2155                                 line_number--;
2156                                 // Increment age
2157                                 (*i).age += dtime;
2158                                 /*
2159                                         This results in a maximum age of 60*6 to the
2160                                         lowermost line and a maximum of 6 lines
2161                                 */
2162                                 float allowed_age = (6-line_number) * 60.0;
2163
2164                                 if((*i).age > allowed_age)
2165                                 {
2166                                         to_be_removed_count++;
2167                                         continue;
2168                                 }
2169                                 whole += (*i).text + L'\n';
2170                         }
2171                         for(u16 i=0; i<to_be_removed_count; i++)
2172                         {
2173                                 core::list<ChatLine>::Iterator
2174                                                 it = chat_lines.begin();
2175                                 chat_lines.erase(it);
2176                         }
2177                         guitext_chat->setText(whole.c_str());
2178
2179                         // Update gui element size and position
2180
2181                         /*core::rect<s32> rect(
2182                                         10,
2183                                         screensize.Y - guitext_chat_pad_bottom
2184                                                         - text_height*chat_lines.size(),
2185                                         screensize.X - 10,
2186                                         screensize.Y - guitext_chat_pad_bottom
2187                         );*/
2188                         core::rect<s32> rect(
2189                                         10,
2190                                         50,
2191                                         screensize.X - 10,
2192                                         50 + guitext_chat->getTextHeight()
2193                         );
2194
2195                         guitext_chat->setRelativePosition(rect);
2196
2197                         if(chat_lines.size() == 0)
2198                                 guitext_chat->setVisible(false);
2199                         else
2200                                 guitext_chat->setVisible(true);
2201                 }
2202
2203                 /*
2204                         Inventory
2205                 */
2206
2207                 static u16 old_selected_item = 65535;
2208                 if(client.getLocalInventoryUpdated()
2209                                 || g_selected_item != old_selected_item)
2210                 {
2211                         client.selectPlayerItem(g_selected_item);
2212                         old_selected_item = g_selected_item;
2213                         //std::cout<<"Updating local inventory"<<std::endl;
2214                         client.getLocalInventory(local_inventory);
2215                 }
2216
2217                 /*
2218                         Send actions returned by the inventory menu
2219                 */
2220                 while(inventory_action_queue.size() != 0)
2221                 {
2222                         InventoryAction *a = inventory_action_queue.pop_front();
2223
2224                         client.sendInventoryAction(a);
2225                         // Eat it
2226                         delete a;
2227                 }
2228
2229                 /*
2230                         Drawing begins
2231                 */
2232
2233                 TimeTaker drawtimer("Drawing");
2234
2235
2236                 {
2237                         TimeTaker timer("beginScene");
2238                         driver->beginScene(true, true, bgcolor);
2239                         //driver->beginScene(false, true, bgcolor);
2240                         beginscenetime = timer.stop(true);
2241                 }
2242
2243                 //timer3.stop();
2244
2245                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2246
2247                 {
2248                         TimeTaker timer("smgr");
2249                         smgr->drawAll();
2250                         scenetime = timer.stop(true);
2251                 }
2252
2253                 {
2254                 //TimeTaker timer9("auxiliary drawings");
2255                 // 0ms
2256
2257                 //timer9.stop();
2258                 //TimeTaker //timer10("//timer10");
2259
2260                 video::SMaterial m;
2261                 //m.Thickness = 10;
2262                 m.Thickness = 3;
2263                 m.Lighting = false;
2264                 driver->setMaterial(m);
2265
2266                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2267
2268                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2269                                 i != hilightboxes.end(); i++)
2270                 {
2271                         /*std::cout<<"hilightbox min="
2272                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2273                                         <<" max="
2274                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2275                                         <<std::endl;*/
2276                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2277                 }
2278
2279                 /*
2280                         Frametime log
2281                 */
2282                 if(g_settings.getBool("frametime_graph") == true)
2283                 {
2284                         s32 x = 10;
2285                         for(core::list<float>::Iterator
2286                                         i = frametime_log.begin();
2287                                         i != frametime_log.end();
2288                                         i++)
2289                         {
2290                                 driver->draw2DLine(v2s32(x,50),
2291                                                 v2s32(x,50+(*i)*1000),
2292                                                 video::SColor(255,255,255,255));
2293                                 x++;
2294                         }
2295                 }
2296
2297                 /*
2298                         Draw crosshair
2299                 */
2300                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2301                                 displaycenter + core::vector2d<s32>(10,0),
2302                                 video::SColor(255,255,255,255));
2303                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2304                                 displaycenter + core::vector2d<s32>(0,10),
2305                                 video::SColor(255,255,255,255));
2306
2307                 } // timer
2308
2309                 //timer10.stop();
2310                 //TimeTaker //timer11("//timer11");
2311
2312                 /*
2313                         Draw gui
2314                 */
2315                 // 0-1ms
2316                 guienv->drawAll();
2317
2318                 /*
2319                         Environment post fx
2320                 */
2321                 {
2322                         client.getEnv()->drawPostFx(driver, camera_position);
2323                 }
2324
2325                 /*
2326                         Draw hotbar
2327                 */
2328                 {
2329                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2330                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2331                                         client.getHP());
2332                 }
2333
2334                 /*
2335                         Damage flash
2336                 */
2337                 if(damage_flash_timer > 0.0)
2338                 {
2339                         damage_flash_timer -= dtime;
2340
2341                         video::SColor color(128,255,0,0);
2342                         driver->draw2DRectangle(color,
2343                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2344                                         NULL);
2345                 }
2346
2347                 /*
2348                         End scene
2349                 */
2350                 {
2351                         TimeTaker timer("endScene");
2352                         endSceneX(driver);
2353                         endscenetime = timer.stop(true);
2354                 }
2355
2356                 drawtime = drawtimer.stop(true);
2357
2358                 /*
2359                         End of drawing
2360                 */
2361
2362                 static s16 lastFPS = 0;
2363                 //u16 fps = driver->getFPS();
2364                 u16 fps = (1.0/dtime_avg1);
2365
2366                 if (lastFPS != fps)
2367                 {
2368                         core::stringw str = L"Minetest [";
2369                         str += driver->getName();
2370                         str += "] FPS=";
2371                         str += fps;
2372
2373                         device->setWindowCaption(str.c_str());
2374                         lastFPS = fps;
2375                 }
2376         }
2377
2378         /*
2379                 Drop stuff
2380         */
2381         if(clouds)
2382                 clouds->drop();
2383
2384         /*
2385                 Draw a "shutting down" screen, which will be shown while the map
2386                 generator and other stuff quits
2387         */
2388         {
2389                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2390                 draw_load_screen(L"Shutting down stuff...", driver, font);
2391                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2392                 guienv->drawAll();
2393                 driver->endScene();
2394                 gui_shuttingdowntext->remove();*/
2395         }
2396 }
2397
2398