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