src/game.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "common_irrlicht.h"
  21 #include "game.h"
  22 #include "client.h"
  23 #include "server.h"
  24 #include "guiPauseMenu.h"
  25 #include "guiPasswordChange.h"
  26 #include "guiInventoryMenu.h"
  27 #include "guiTextInputMenu.h"
  28 #include "materials.h"
  29 #include "config.h"
  30 #include "clouds.h"
  31 #include "keycode.h"
  32 #include "farmesh.h"
  33 #include "mapblock.h"
  34
  35 /*
  36         TODO: Move content-aware stuff to separate file by adding properties
  37               and virtual interfaces
  38 */
  39 #include "content_mapnode.h"
  40 #include "content_nodemeta.h"
  41
  42 /*
  43         Setting this to 1 enables a special camera mode that forces
  44         the renderers to think that the camera statically points from
  45         the starting place to a static direction.
  46
  47         This allows one to move around with the player and see what
  48         is actually drawn behind solid things and behind the player.
  49 */
  50 #define FIELD_OF_VIEW_TEST 0
  51
  52
  53 MapDrawControl draw_control;
  54
  55 // Chat data
  56 struct ChatLine
  57 {
  58         ChatLine():
  59                 age(0.0)
  60         {
  61         }
  62         ChatLine(const std::wstring &a_text):
  63                 age(0.0),
  64                 text(a_text)
  65         {
  66         }
  67         float age;
  68         std::wstring text;
  69 };
  70
  71 /*
  72         Inventory stuff
  73 */
  74
  75 // Inventory actions from the menu are buffered here before sending
  76 Queue<InventoryAction*> inventory_action_queue;
  77 // This is a copy of the inventory that the client's environment has
  78 Inventory local_inventory;
  79
  80 u16 g_selected_item = 0;
  81
  82 /*
  83         Text input system
  84 */
  85
  86 struct TextDestSign : public TextDest
  87 {
  88         TextDestSign(v3s16 blockpos, s16 id, Client *client)
  89         {
  90                 m_blockpos = blockpos;
  91                 m_id = id;
  92                 m_client = client;
  93         }
  94         void gotText(std::wstring text)
  95         {
  96                 std::string ntext = wide_to_narrow(text);
  97                 dstream<<"Changing text of a sign object: "
  98                                 <<ntext<<std::endl;
  99                 m_client->sendSignText(m_blockpos, m_id, ntext);
 100         }
 101
 102         v3s16 m_blockpos;
 103         s16 m_id;
 104         Client *m_client;
 105 };
 106
 107 struct TextDestChat : public TextDest
 108 {
 109         TextDestChat(Client *client)
 110         {
 111                 m_client = client;
 112         }
 113         void gotText(std::wstring text)
 114         {
 115                 // Discard empty line
 116                 if(text == L"")
 117                         return;
 118
 119                 // Parse command (server command starts with "/#")
 120                 if(text[0] == L'/' && text[1] != L'#')
 121                 {
 122                         std::wstring reply = L"Local: ";
 123
 124                         reply += L"Local commands not yet supported. "
 125                                         L"Server prefix is \"/#\".";
 126
 127                         m_client->addChatMessage(reply);
 128                         return;
 129                 }
 130
 131                 // Send to others
 132                 m_client->sendChatMessage(text);
 133                 // Show locally
 134                 m_client->addChatMessage(text);
 135         }
 136
 137         Client *m_client;
 138 };
 139
 140 struct TextDestSignNode : public TextDest
 141 {
 142         TextDestSignNode(v3s16 p, Client *client)
 143         {
 144                 m_p = p;
 145                 m_client = client;
 146         }
 147         void gotText(std::wstring text)
 148         {
 149                 std::string ntext = wide_to_narrow(text);
 150                 dstream<<"Changing text of a sign node: "
 151                                 <<ntext<<std::endl;
 152                 m_client->sendSignNodeText(m_p, ntext);
 153         }
 154
 155         v3s16 m_p;
 156         Client *m_client;
 157 };
 158
 159 /*
 160         Render distance feedback loop
 161 */
 162 void updateViewingRange(f32 frametime_in, Client *client)
 163 {
 164         if(draw_control.range_all == true)
 165                 return;
 166
 167         static f32 added_frametime = 0;
 168         static s16 added_frames = 0;
 169
 170         added_frametime += frametime_in;
 171         added_frames += 1;
 172
 173         // Actually this counter kind of sucks because frametime is busytime
 174         static f32 counter = 0;
 175         counter -= frametime_in;
 176         if(counter > 0)
 177                 return;
 178         //counter = 0.1;
 179         counter = 0.2;
 180
 181         /*dstream<<__FUNCTION_NAME
 182                         <<": Collected "<<added_frames<<" frames, total of "
 183                         <<added_frametime<<"s."<<std::endl;*/
 184
 185         /*dstream<<"draw_control.blocks_drawn="
 186                         <<draw_control.blocks_drawn
 187                         <<", draw_control.blocks_would_have_drawn="
 188                         <<draw_control.blocks_would_have_drawn
 189                         <<std::endl;*/
 190
 191         float range_min = g_settings.getS16("viewing_range_nodes_min");
 192         float range_max = g_settings.getS16("viewing_range_nodes_max");
 193
 194         // Limit minimum to keep the feedback loop stable
 195         if(range_min < 5)
 196                 range_min = 5;
 197
 198         draw_control.wanted_min_range = range_min;
 199         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
 200         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
 201         if(draw_control.wanted_max_blocks < 10)
 202                 draw_control.wanted_max_blocks = 10;
 203
 204         float block_draw_ratio = 1.0;
 205         if(draw_control.blocks_would_have_drawn != 0)
 206         {
 207                 block_draw_ratio = (float)draw_control.blocks_drawn
 208                         / (float)draw_control.blocks_would_have_drawn;
 209         }
 210
 211         // Calculate the average frametime in the case that all wanted
 212         // blocks had been drawn
 213         f32 frametime = added_frametime / added_frames / block_draw_ratio;
 214
 215         added_frametime = 0.0;
 216         added_frames = 0;
 217
 218         float wanted_fps = g_settings.getFloat("wanted_fps");
 219         float wanted_frametime = 1.0 / wanted_fps;
 220
 221         f32 wanted_frametime_change = wanted_frametime - frametime;
 222         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
 223
 224         // If needed frametime change is small, just return
 225         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
 226         {
 227                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
 228                 return;
 229         }
 230
 231         float range = draw_control.wanted_range;
 232         float new_range = range;
 233
 234         static s16 range_old = 0;
 235         static f32 frametime_old = 0;
 236
 237         float d_range = range - range_old;
 238         f32 d_frametime = frametime - frametime_old;
 239         // A sane default of 30ms per 50 nodes of range
 240         static f32 time_per_range = 30. / 50;
 241         if(d_range != 0)
 242         {
 243                 time_per_range = d_frametime / d_range;
 244         }
 245
 246         // The minimum allowed calculated frametime-range derivative:
 247         // Practically this sets the maximum speed of changing the range.
 248         // The lower this value, the higher the maximum changing speed.
 249         // A low value here results in wobbly range (0.001)
 250         // A high value here results in slow changing range (0.0025)
 251         // SUGG: This could be dynamically adjusted so that when
 252         //       the camera is turning, this is lower
 253         //float min_time_per_range = 0.0015;
 254         float min_time_per_range = 0.0010;
 255         //float min_time_per_range = 0.05 / range;
 256         if(time_per_range < min_time_per_range)
 257         {
 258                 time_per_range = min_time_per_range;
 259                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
 260         }
 261         else
 262         {
 263                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
 264         }
 265
 266         f32 wanted_range_change = wanted_frametime_change / time_per_range;
 267         // Dampen the change a bit to kill oscillations
 268         //wanted_range_change *= 0.9;
 269         //wanted_range_change *= 0.75;
 270         wanted_range_change *= 0.5;
 271         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
 272
 273         // If needed range change is very small, just return
 274         if(fabs(wanted_range_change) < 0.001)
 275         {
 276                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
 277                 return;
 278         }
 279
 280         new_range += wanted_range_change;
 281
 282         //float new_range_unclamped = new_range;
 283         if(new_range < range_min)
 284                 new_range = range_min;
 285         if(new_range > range_max)
 286                 new_range = range_max;
 287
 288         /*dstream<<"new_range="<<new_range_unclamped
 289                         <<", clamped to "<<new_range<<std::endl;*/
 290
 291         draw_control.wanted_range = new_range;
 292
 293         range_old = new_range;
 294         frametime_old = frametime;
 295 }
 296
 297 /*
 298         Hotbar draw routine
 299 */
 300 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 301                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 302                 Inventory *inventory, s32 halfheartcount)
 303 {
 304         InventoryList *mainlist = inventory->getList("main");
 305         if(mainlist == NULL)
 306         {
 307                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
 308                 return;
 309         }
 310
 311         s32 padding = imgsize/12;
 312         //s32 height = imgsize + padding*2;
 313         s32 width = itemcount*(imgsize+padding*2);
 314
 315         // Position of upper left corner of bar
 316         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 317
 318         // Draw background color
 319         /*core::rect<s32> barrect(0,0,width,height);
 320         barrect += pos;
 321         video::SColor bgcolor(255,128,128,128);
 322         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 323
 324         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 325
 326         for(s32 i=0; i<itemcount; i++)
 327         {
 328                 InventoryItem *item = mainlist->getItem(i);
 329
 330                 core::rect<s32> rect = imgrect + pos
 331                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 332
 333                 if(g_selected_item == i)
 334                 {
 335                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 336                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
 337                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
 338                                         NULL);
 339                 }
 340                 else
 341                 {
 342                         video::SColor bgcolor2(128,0,0,0);
 343                         driver->draw2DRectangle(bgcolor2, rect, NULL);
 344                 }
 345
 346                 if(item != NULL)
 347                 {
 348                         drawInventoryItem(driver, font, item, rect, NULL);
 349                 }
 350         }
 351
 352         /*
 353                 Draw hearts
 354         */
 355         {
 356                 video::ITexture *heart_texture =
 357                                 driver->getTexture(getTexturePath("heart.png").c_str());
 358                 v2s32 p = pos + v2s32(0, -20);
 359                 for(s32 i=0; i<halfheartcount/2; i++)
 360                 {
 361                         const video::SColor color(255,255,255,255);
 362                         const video::SColor colors[] = {color,color,color,color};
 363                         core::rect<s32> rect(0,0,16,16);
 364                         rect += p;
 365                         driver->draw2DImage(heart_texture, rect,
 366                                 core::rect<s32>(core::position2d<s32>(0,0),
 367                                 core::dimension2di(heart_texture->getOriginalSize())),
 368                                 NULL, colors, true);
 369                         p += v2s32(16,0);
 370                 }
 371                 if(halfheartcount % 2 == 1)
 372                 {
 373                         const video::SColor color(255,255,255,255);
 374                         const video::SColor colors[] = {color,color,color,color};
 375                         core::rect<s32> rect(0,0,16/2,16);
 376                         rect += p;
 377                         core::dimension2di srcd(heart_texture->getOriginalSize());
 378                         srcd.Width /= 2;
 379                         driver->draw2DImage(heart_texture, rect,
 380                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 381                                 NULL, colors, true);
 382                         p += v2s32(16,0);
 383                 }
 384         }
 385 }
 386
 387 /*
 388         Find what the player is pointing at
 389 */
 390 void getPointedNode(Client *client, v3f player_position,
 391                 v3f camera_direction, v3f camera_position,
 392                 bool &nodefound, core::line3d<f32> shootline,
 393                 v3s16 &nodepos, v3s16 &neighbourpos,
 394                 core::aabbox3d<f32> &nodehilightbox,
 395                 f32 d)
 396 {
 397         f32 mindistance = BS * 1001;
 398
 399         v3s16 pos_i = floatToInt(player_position, BS);
 400
 401         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 402                         <<std::endl;*/
 403
 404         s16 a = d;
 405         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 406         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 407         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 408         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 409         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 410         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 411
 412         for(s16 y = ystart; y <= yend; y++)
 413         for(s16 z = zstart; z <= zend; z++)
 414         for(s16 x = xstart; x <= xend; x++)
 415         {
 416                 MapNode n;
 417                 try
 418                 {
 419                         n = client->getNode(v3s16(x,y,z));
 420                         if(content_pointable(n.getContent()) == false)
 421                                 continue;
 422                 }
 423                 catch(InvalidPositionException &e)
 424                 {
 425                         continue;
 426                 }
 427
 428                 v3s16 np(x,y,z);
 429                 v3f npf = intToFloat(np, BS);
 430
 431                 f32 d = 0.01;
 432
 433                 v3s16 dirs[6] = {
 434                         v3s16(0,0,1), // back
 435                         v3s16(0,1,0), // top
 436                         v3s16(1,0,0), // right
 437                         v3s16(0,0,-1), // front
 438                         v3s16(0,-1,0), // bottom
 439                         v3s16(-1,0,0), // left
 440                 };
 441
 442                 /*
 443                         Meta-objects
 444                 */
 445                 if(n.getContent() == CONTENT_TORCH)
 446                 {
 447                         v3s16 dir = unpackDir(n.param2);
 448                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 449                         dir_f *= BS/2 - BS/6 - BS/20;
 450                         v3f cpf = npf + dir_f;
 451                         f32 distance = (cpf - camera_position).getLength();
 452
 453                         core::aabbox3d<f32> box;
 454
 455                         // bottom
 456                         if(dir == v3s16(0,-1,0))
 457                         {
 458                                 box = core::aabbox3d<f32>(
 459                                         npf - v3f(BS/6, BS/2, BS/6),
 460                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
 461                                 );
 462                         }
 463                         // top
 464                         else if(dir == v3s16(0,1,0))
 465                         {
 466                                 box = core::aabbox3d<f32>(
 467                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
 468                                         npf + v3f(BS/6, BS/2, BS/6)
 469                                 );
 470                         }
 471                         // side
 472                         else
 473                         {
 474                                 box = core::aabbox3d<f32>(
 475                                         cpf - v3f(BS/6, BS/3, BS/6),
 476                                         cpf + v3f(BS/6, BS/3, BS/6)
 477                                 );
 478                         }
 479
 480                         if(distance < mindistance)
 481                         {
 482                                 if(box.intersectsWithLine(shootline))
 483                                 {
 484                                         nodefound = true;
 485                                         nodepos = np;
 486                                         neighbourpos = np;
 487                                         mindistance = distance;
 488                                         nodehilightbox = box;
 489                                 }
 490                         }
 491                 }
 492                 else if(n.getContent() == CONTENT_SIGN_WALL)
 493                 {
 494                         v3s16 dir = unpackDir(n.param2);
 495                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 496                         dir_f *= BS/2 - BS/6 - BS/20;
 497                         v3f cpf = npf + dir_f;
 498                         f32 distance = (cpf - camera_position).getLength();
 499
 500                         v3f vertices[4] =
 501                         {
 502                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 503                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 504                         };
 505
 506                         for(s32 i=0; i<2; i++)
 507                         {
 508                                 if(dir == v3s16(1,0,0))
 509                                         vertices[i].rotateXZBy(0);
 510                                 if(dir == v3s16(-1,0,0))
 511                                         vertices[i].rotateXZBy(180);
 512                                 if(dir == v3s16(0,0,1))
 513                                         vertices[i].rotateXZBy(90);
 514                                 if(dir == v3s16(0,0,-1))
 515                                         vertices[i].rotateXZBy(-90);
 516                                 if(dir == v3s16(0,-1,0))
 517                                         vertices[i].rotateXYBy(-90);
 518                                 if(dir == v3s16(0,1,0))
 519                                         vertices[i].rotateXYBy(90);
 520
 521                                 vertices[i] += npf;
 522                         }
 523
 524                         core::aabbox3d<f32> box;
 525
 526                         box = core::aabbox3d<f32>(vertices[0]);
 527                         box.addInternalPoint(vertices[1]);
 528
 529                         if(distance < mindistance)
 530                         {
 531                                 if(box.intersectsWithLine(shootline))
 532                                 {
 533                                         nodefound = true;
 534                                         nodepos = np;
 535                                         neighbourpos = np;
 536                                         mindistance = distance;
 537                                         nodehilightbox = box;
 538                                 }
 539                         }
 540                 }
 541                 else if(n.getContent() == CONTENT_RAIL)
 542                 {
 543                         v3s16 dir = unpackDir(n.param0);
 544                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 545                         dir_f *= BS/2 - BS/6 - BS/20;
 546                         v3f cpf = npf + dir_f;
 547                         f32 distance = (cpf - camera_position).getLength();
 548
 549                         float d = (float)BS/16;
 550                         v3f vertices[4] =
 551                         {
 552                                 v3f(BS/2, -BS/2+d, -BS/2),
 553                                 v3f(-BS/2, -BS/2, BS/2),
 554                         };
 555
 556                         for(s32 i=0; i<2; i++)
 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                 /*
 579                         Regular blocks
 580                 */
 581                 else
 582                 {
 583                         for(u16 i=0; i<6; i++)
 584                         {
 585                                 v3f dir_f = v3f(dirs[i].X,
 586                                                 dirs[i].Y, dirs[i].Z);
 587                                 v3f centerpoint = npf + dir_f * BS/2;
 588                                 f32 distance =
 589                                                 (centerpoint - camera_position).getLength();
 590
 591                                 if(distance < mindistance)
 592                                 {
 593                                         core::CMatrix4<f32> m;
 594                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 595
 596                                         // This is the back face
 597                                         v3f corners[2] = {
 598                                                 v3f(BS/2, BS/2, BS/2),
 599                                                 v3f(-BS/2, -BS/2, BS/2+d)
 600                                         };
 601
 602                                         for(u16 j=0; j<2; j++)
 603                                         {
 604                                                 m.rotateVect(corners[j]);
 605                                                 corners[j] += npf;
 606                                         }
 607
 608                                         core::aabbox3d<f32> facebox(corners[0]);
 609                                         facebox.addInternalPoint(corners[1]);
 610
 611                                         if(facebox.intersectsWithLine(shootline))
 612                                         {
 613                                                 nodefound = true;
 614                                                 nodepos = np;
 615                                                 neighbourpos = np + dirs[i];
 616                                                 mindistance = distance;
 617
 618                                                 //nodehilightbox = facebox;
 619
 620                                                 const float d = 0.502;
 621                                                 core::aabbox3d<f32> nodebox
 622                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 623                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 624                                                 nodebox.MinEdge += nodepos_f;
 625                                                 nodebox.MaxEdge += nodepos_f;
 626                                                 nodehilightbox = nodebox;
 627                                         }
 628                                 } // if distance < mindistance
 629                         } // for dirs
 630                 } // regular block
 631         } // for coords
 632 }
 633
 634 void update_skybox(video::IVideoDriver* driver,
 635                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 636                 float brightness)
 637 {
 638         if(skybox)
 639         {
 640                 skybox->remove();
 641         }
 642
 643         /*// Disable skybox if FarMesh is enabled
 644         if(g_settings.getBool("enable_farmesh"))
 645                 return;*/
 646
 647         if(brightness >= 0.5)
 648         {
 649                 skybox = smgr->addSkyBoxSceneNode(
 650                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 651                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 652                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 653                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 654                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 655                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 656         }
 657         else if(brightness >= 0.2)
 658         {
 659                 skybox = smgr->addSkyBoxSceneNode(
 660                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 661                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 662                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 663                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 664                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 665                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 666         }
 667         else
 668         {
 669                 skybox = smgr->addSkyBoxSceneNode(
 670                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 671                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 672                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 673                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 674                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 675                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 676         }
 677 }
 678
 679 /*
 680         Draws a screen with a single text on it.
 681         Text will be removed when the screen is drawn the next time.
 682 */
 683 /*gui::IGUIStaticText **/
 684 void draw_load_screen(const std::wstring &text,
 685                 video::IVideoDriver* driver, gui::IGUIFont* font)
 686 {
 687         v2u32 screensize = driver->getScreenSize();
 688         const wchar_t *loadingtext = text.c_str();
 689         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 690         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 691         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 692         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 693
 694         gui::IGUIStaticText *guitext = guienv->addStaticText(
 695                         loadingtext, textrect, false, false);
 696         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 697
 698         driver->beginScene(true, true, video::SColor(255,0,0,0));
 699         guienv->drawAll();
 700         driver->endScene();
 701
 702         guitext->remove();
 703
 704         //return guitext;
 705 }
 706
 707 void the_game(
 708         bool &kill,
 709         bool random_input,
 710         InputHandler *input,
 711         IrrlichtDevice *device,
 712         gui::IGUIFont* font,
 713         std::string map_dir,
 714         std::string playername,
 715         std::string password,
 716         std::string address,
 717         u16 port,
 718         std::wstring &error_message,
 719     std::string configpath
 720 )
 721 {
 722         video::IVideoDriver* driver = device->getVideoDriver();
 723         scene::ISceneManager* smgr = device->getSceneManager();
 724
 725         // Calculate text height using the font
 726         u32 text_height = font->getDimension(L"Random test string").Height;
 727
 728         v2u32 screensize(0,0);
 729         v2u32 last_screensize(0,0);
 730         screensize = driver->getScreenSize();
 731
 732         const s32 hotbar_itemcount = 8;
 733         //const s32 hotbar_imagesize = 36;
 734         //const s32 hotbar_imagesize = 64;
 735         s32 hotbar_imagesize = 48;
 736
 737         // The color of the sky
 738
 739         //video::SColor skycolor = video::SColor(255,140,186,250);
 740
 741         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 742
 743         /*
 744                 Draw "Loading" screen
 745         */
 746         /*gui::IGUIStaticText *gui_loadingtext = */
 747         //draw_load_screen(L"Loading and connecting...", driver, font);
 748
 749         draw_load_screen(L"Loading...", driver, font);
 750
 751         /*
 752                 Create server.
 753                 SharedPtr will delete it when it goes out of scope.
 754         */
 755         SharedPtr<Server> server;
 756         if(address == ""){
 757                 draw_load_screen(L"Creating server...", driver, font);
 758                 std::cout<<DTIME<<"Creating server"<<std::endl;
 759                 server = new Server(map_dir, configpath);
 760                 server->start(port);
 761         }
 762
 763         /*
 764                 Create client
 765         */
 766
 767         draw_load_screen(L"Creating client...", driver, font);
 768         std::cout<<DTIME<<"Creating client"<<std::endl;
 769         Client client(device, playername.c_str(), password, draw_control);
 770
 771         draw_load_screen(L"Resolving address...", driver, font);
 772         Address connect_address(0,0,0,0, port);
 773         try{
 774                 if(address == "")
 775                         //connect_address.Resolve("localhost");
 776                         connect_address.setAddress(127,0,0,1);
 777                 else
 778                         connect_address.Resolve(address.c_str());
 779         }
 780         catch(ResolveError &e)
 781         {
 782                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 783                 //return 0;
 784                 error_message = L"Couldn't resolve address";
 785                 //gui_loadingtext->remove();
 786                 return;
 787         }
 788
 789         /*
 790                 Attempt to connect to the server
 791         */
 792
 793         dstream<<DTIME<<"Connecting to server at ";
 794         connect_address.print(&dstream);
 795         dstream<<std::endl;
 796         client.connect(connect_address);
 797
 798         bool could_connect = false;
 799
 800         try{
 801                 float time_counter = 0.0;
 802                 for(;;)
 803                 {
 804                         if(client.connectedAndInitialized())
 805                         {
 806                                 could_connect = true;
 807                                 break;
 808                         }
 809                         if(client.accessDenied())
 810                         {
 811                                 break;
 812                         }
 813                         // Wait for 10 seconds
 814                         if(time_counter >= 10.0)
 815                         {
 816                                 break;
 817                         }
 818
 819                         std::wostringstream ss;
 820                         ss<<L"Connecting to server... (timeout in ";
 821                         ss<<(int)(10.0 - time_counter + 1.0);
 822                         ss<<L" seconds)";
 823                         draw_load_screen(ss.str(), driver, font);
 824
 825                         /*// Update screen
 826                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 827                         guienv->drawAll();
 828                         driver->endScene();*/
 829
 830                         // Update client and server
 831
 832                         client.step(0.1);
 833
 834                         if(server != NULL)
 835                                 server->step(0.1);
 836
 837                         // Delay a bit
 838                         sleep_ms(100);
 839                         time_counter += 0.1;
 840                 }
 841         }
 842         catch(con::PeerNotFoundException &e)
 843         {}
 844
 845         if(could_connect == false)
 846         {
 847                 if(client.accessDenied())
 848                 {
 849                         error_message = L"Access denied. Reason: "
 850                                         +client.accessDeniedReason();
 851                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
 852                 }
 853                 else
 854                 {
 855                         error_message = L"Connection timed out.";
 856                         std::cout<<DTIME<<"Timed out."<<std::endl;
 857                 }
 858                 //gui_loadingtext->remove();
 859                 return;
 860         }
 861
 862         /*
 863                 Create skybox
 864         */
 865         float old_brightness = 1.0;
 866         scene::ISceneNode* skybox = NULL;
 867         update_skybox(driver, smgr, skybox, 1.0);
 868
 869         /*
 870                 Create the camera node
 871         */
 872
 873         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 874                 0, // Camera parent
 875                 v3f(BS*100, BS*2, BS*100), // Look from
 876                 v3f(BS*100+1, BS*2, BS*100), // Look to
 877                 -1 // Camera ID
 878         );
 879
 880         if(camera == NULL)
 881         {
 882                 error_message = L"Failed to create the camera node";
 883                 return;
 884         }
 885
 886         camera->setFOV(FOV_ANGLE);
 887
 888         // Just so big a value that everything rendered is visible
 889         camera->setFarValue(100000*BS);
 890
 891         f32 camera_yaw = 0; // "right/left"
 892         f32 camera_pitch = 0; // "up/down"
 893
 894         /*
 895                 Clouds
 896         */
 897
 898         float cloud_height = BS*100;
 899         Clouds *clouds = NULL;
 900         if(g_settings.getBool("enable_clouds"))
 901         {
 902                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 903                                 cloud_height, time(0));
 904         }
 905
 906         /*
 907                 FarMesh
 908         */
 909
 910         FarMesh *farmesh = NULL;
 911         if(g_settings.getBool("enable_farmesh"))
 912         {
 913                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 914         }
 915
 916         /*
 917                 Move into game
 918         */
 919
 920         //gui_loadingtext->remove();
 921
 922         /*
 923                 Add some gui stuff
 924         */
 925
 926         // First line of debug text
 927         gui::IGUIStaticText *guitext = guienv->addStaticText(
 928                         L"Minetest-c55",
 929                         core::rect<s32>(5, 5, 795, 5+text_height),
 930                         false, false);
 931         // Second line of debug text
 932         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
 933                         L"",
 934                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
 935                         false, false);
 936
 937         // At the middle of the screen
 938         // Object infos are shown in this
 939         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 940                         L"",
 941                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
 942                         false, false);
 943
 944         // Chat text
 945         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
 946                         L"",
 947                         core::rect<s32>(0,0,0,0),
 948                         //false, false); // Disable word wrap as of now
 949                         false, true);
 950         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
 951         core::list<ChatLine> chat_lines;
 952
 953         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 954                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
 955         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 956                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
 957
 958         // Test the text input system
 959         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
 960                         NULL))->drop();*/
 961         /*GUIMessageMenu *menu =
 962                         new GUIMessageMenu(guienv, guiroot, -1,
 963                                 &g_menumgr,
 964                                 L"Asd");
 965         menu->drop();*/
 966
 967         // Launch pause menu
 968         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
 969                         &g_menumgr))->drop();
 970
 971         // Enable texts
 972         /*guitext2->setVisible(true);
 973         guitext_info->setVisible(true);
 974         guitext_chat->setVisible(true);*/
 975
 976         //s32 guitext_chat_pad_bottom = 70;
 977
 978         /*
 979                 Some statistics are collected in these
 980         */
 981         u32 drawtime = 0;
 982         u32 beginscenetime = 0;
 983         u32 scenetime = 0;
 984         u32 endscenetime = 0;
 985
 986         // A test
 987         //throw con::PeerNotFoundException("lol");
 988
 989         core::list<float> frametime_log;
 990
 991         float damage_flash_timer = 0;
 992         s16 farmesh_range = 20*MAP_BLOCKSIZE;
 993
 994         bool invert_mouse = g_settings.getBool("invert_mouse");
 995
 996         /*
 997                 Main loop
 998         */
 999
1000         bool first_loop_after_window_activation = true;
1001
1002         // TODO: Convert the static interval timers to these
1003         // Interval limiter for profiler
1004         IntervalLimiter m_profiler_interval;
1005
1006         // Time is in milliseconds
1007         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1008         // NOTE: So we have to use getTime() and call run()s between them
1009         u32 lasttime = device->getTimer()->getTime();
1010
1011         while(device->run() && kill == false)
1012         {
1013                 //std::cerr<<"frame"<<std::endl;
1014
1015                 if(g_gamecallback->disconnect_requested)
1016                 {
1017                         g_gamecallback->disconnect_requested = false;
1018                         break;
1019                 }
1020
1021                 if(g_gamecallback->changepassword_requested)
1022                 {
1023                         (new GUIPasswordChange(guienv, guiroot, -1,
1024                                 &g_menumgr, &client))->drop();
1025                         g_gamecallback->changepassword_requested = false;
1026                 }
1027
1028                 /*
1029                         Process TextureSource's queue
1030                 */
1031                 ((TextureSource*)g_texturesource)->processQueue();
1032
1033                 /*
1034                         Random calculations
1035                 */
1036                 last_screensize = screensize;
1037                 screensize = driver->getScreenSize();
1038                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1039                 //bool screensize_changed = screensize != last_screensize;
1040
1041                 // Resize hotbar
1042                 if(screensize.Y <= 800)
1043                         hotbar_imagesize = 32;
1044                 else if(screensize.Y <= 1280)
1045                         hotbar_imagesize = 48;
1046                 else
1047                         hotbar_imagesize = 64;
1048
1049                 // Hilight boxes collected during the loop and displayed
1050                 core::list< core::aabbox3d<f32> > hilightboxes;
1051
1052                 // Info text
1053                 std::wstring infotext;
1054
1055                 // When screen size changes, update positions and sizes of stuff
1056                 /*if(screensize_changed)
1057                 {
1058                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1059                         quick_inventory->updatePosition(pos);
1060                 }*/
1061
1062                 //TimeTaker //timer1("//timer1");
1063
1064                 // Time of frame without fps limit
1065                 float busytime;
1066                 u32 busytime_u32;
1067                 {
1068                         // not using getRealTime is necessary for wine
1069                         u32 time = device->getTimer()->getTime();
1070                         if(time > lasttime)
1071                                 busytime_u32 = time - lasttime;
1072                         else
1073                                 busytime_u32 = 0;
1074                         busytime = busytime_u32 / 1000.0;
1075                 }
1076
1077                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1078
1079                 // Necessary for device->getTimer()->getTime()
1080                 device->run();
1081
1082                 /*
1083                         Viewing range
1084                 */
1085
1086                 updateViewingRange(busytime, &client);
1087
1088                 /*
1089                         FPS limiter
1090                 */
1091
1092                 {
1093                         float fps_max = g_settings.getFloat("fps_max");
1094                         u32 frametime_min = 1000./fps_max;
1095
1096                         if(busytime_u32 < frametime_min)
1097                         {
1098                                 u32 sleeptime = frametime_min - busytime_u32;
1099                                 device->sleep(sleeptime);
1100                         }
1101                 }
1102
1103                 // Necessary for device->getTimer()->getTime()
1104                 device->run();
1105
1106                 /*
1107                         Time difference calculation
1108                 */
1109                 f32 dtime; // in seconds
1110
1111                 u32 time = device->getTimer()->getTime();
1112                 if(time > lasttime)
1113                         dtime = (time - lasttime) / 1000.0;
1114                 else
1115                         dtime = 0;
1116                 lasttime = time;
1117
1118                 /*
1119                         Log frametime for visualization
1120                 */
1121                 frametime_log.push_back(dtime);
1122                 if(frametime_log.size() > 100)
1123                 {
1124                         core::list<float>::Iterator i = frametime_log.begin();
1125                         frametime_log.erase(i);
1126                 }
1127
1128                 /*
1129                         Visualize frametime in terminal
1130                 */
1131                 /*for(u32 i=0; i<dtime*400; i++)
1132                         std::cout<<"X";
1133                 std::cout<<std::endl;*/
1134
1135                 /*
1136                         Time average and jitter calculation
1137                 */
1138
1139                 static f32 dtime_avg1 = 0.0;
1140                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1141                 f32 dtime_jitter1 = dtime - dtime_avg1;
1142
1143                 static f32 dtime_jitter1_max_sample = 0.0;
1144                 static f32 dtime_jitter1_max_fraction = 0.0;
1145                 {
1146                         static f32 jitter1_max = 0.0;
1147                         static f32 counter = 0.0;
1148                         if(dtime_jitter1 > jitter1_max)
1149                                 jitter1_max = dtime_jitter1;
1150                         counter += dtime;
1151                         if(counter > 0.0)
1152                         {
1153                                 counter -= 3.0;
1154                                 dtime_jitter1_max_sample = jitter1_max;
1155                                 dtime_jitter1_max_fraction
1156                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1157                                 jitter1_max = 0.0;
1158                         }
1159                 }
1160
1161                 /*
1162                         Busytime average and jitter calculation
1163                 */
1164
1165                 static f32 busytime_avg1 = 0.0;
1166                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1167                 f32 busytime_jitter1 = busytime - busytime_avg1;
1168
1169                 static f32 busytime_jitter1_max_sample = 0.0;
1170                 static f32 busytime_jitter1_min_sample = 0.0;
1171                 {
1172                         static f32 jitter1_max = 0.0;
1173                         static f32 jitter1_min = 0.0;
1174                         static f32 counter = 0.0;
1175                         if(busytime_jitter1 > jitter1_max)
1176                                 jitter1_max = busytime_jitter1;
1177                         if(busytime_jitter1 < jitter1_min)
1178                                 jitter1_min = busytime_jitter1;
1179                         counter += dtime;
1180                         if(counter > 0.0){
1181                                 counter -= 3.0;
1182                                 busytime_jitter1_max_sample = jitter1_max;
1183                                 busytime_jitter1_min_sample = jitter1_min;
1184                                 jitter1_max = 0.0;
1185                                 jitter1_min = 0.0;
1186                         }
1187                 }
1188
1189                 /*
1190                         Debug info for client
1191                 */
1192                 {
1193                         static float counter = 0.0;
1194                         counter -= dtime;
1195                         if(counter < 0)
1196                         {
1197                                 counter = 30.0;
1198                                 client.printDebugInfo(std::cout);
1199                         }
1200                 }
1201
1202                 /*
1203                         Profiler
1204                 */
1205                 float profiler_print_interval =
1206                                 g_settings.getFloat("profiler_print_interval");
1207                 if(profiler_print_interval != 0)
1208                 {
1209                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1210                         {
1211                                 dstream<<"Profiler:"<<std::endl;
1212                                 g_profiler.print(dstream);
1213                                 g_profiler.clear();
1214                         }
1215                 }
1216
1217                 /*
1218                         Direct handling of user input
1219                 */
1220
1221                 // Reset input if window not active or some menu is active
1222                 if(device->isWindowActive() == false || noMenuActive() == false)
1223                 {
1224                         input->clear();
1225                 }
1226
1227                 // Input handler step() (used by the random input generator)
1228                 input->step(dtime);
1229
1230                 /*
1231                         Launch menus according to keys
1232                 */
1233                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1234                 {
1235                         dstream<<DTIME<<"the_game: "
1236                                         <<"Launching inventory"<<std::endl;
1237
1238                         GUIInventoryMenu *menu =
1239                                 new GUIInventoryMenu(guienv, guiroot, -1,
1240                                         &g_menumgr, v2s16(8,7),
1241                                         client.getInventoryContext(),
1242                                         &client);
1243
1244                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1245                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1246                                         "list", "current_player", "main",
1247                                         v2s32(0, 3), v2s32(8, 4)));
1248                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1249                                         "list", "current_player", "craft",
1250                                         v2s32(3, 0), v2s32(3, 3)));
1251                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1252                                         "list", "current_player", "craftresult",
1253                                         v2s32(7, 1), v2s32(1, 1)));
1254
1255                         menu->setDrawSpec(draw_spec);
1256
1257                         menu->drop();
1258                 }
1259                 else if(input->wasKeyDown(KEY_ESCAPE))
1260                 {
1261                         dstream<<DTIME<<"the_game: "
1262                                         <<"Launching pause menu"<<std::endl;
1263                         // It will delete itself by itself
1264                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1265                                         &g_menumgr))->drop();
1266
1267                         // Move mouse cursor on top of the disconnect button
1268                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1269                 }
1270                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1271                 {
1272                         TextDest *dest = new TextDestChat(&client);
1273
1274                         (new GUITextInputMenu(guienv, guiroot, -1,
1275                                         &g_menumgr, dest,
1276                                         L""))->drop();
1277                 }
1278                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1279                 {
1280                         if(g_settings.getBool("free_move"))
1281                         {
1282                                 g_settings.set("free_move","false");
1283                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1284                         }
1285                         else
1286                         {
1287                                 g_settings.set("free_move","true");
1288                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1289                         }
1290                 }
1291                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1292                 {
1293                         if(g_settings.getBool("fast_move"))
1294                         {
1295                                 g_settings.set("fast_move","false");
1296                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1297                         }
1298                         else
1299                         {
1300                                 g_settings.set("fast_move","true");
1301                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1302                         }
1303                 }
1304                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1305                 {
1306                         if(g_settings.getBool("frametime_graph"))
1307                         {
1308                                 g_settings.set("frametime_graph","false");
1309                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1310                         }
1311                         else
1312                         {
1313                                 g_settings.set("frametime_graph","true");
1314                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1315                         }
1316                 }
1317                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1318                 {
1319                         irr::video::IImage* const image = driver->createScreenShot();
1320                         if (image) {
1321                                 irr::c8 filename[256];
1322                                 snprintf(filename, 256, "%s/screenshot_%u.png",
1323                                                  g_settings.get("screenshot_path").c_str(),
1324                                                  device->getTimer()->getRealTime());
1325                                 if (driver->writeImageToFile(image, filename)) {
1326                                         std::wstringstream sstr;
1327                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1328                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1329                                         chat_lines.push_back(ChatLine(sstr.str()));
1330                                 } else{
1331                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1332                                 }
1333                                 image->drop();
1334                         }
1335                 }
1336
1337                 // Item selection with mouse wheel
1338                 {
1339                         s32 wheel = input->getMouseWheel();
1340                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1341                                         hotbar_itemcount-1);
1342
1343                         if(wheel < 0)
1344                         {
1345                                 if(g_selected_item < max_item)
1346                                         g_selected_item++;
1347                                 else
1348                                         g_selected_item = 0;
1349                         }
1350                         else if(wheel > 0)
1351                         {
1352                                 if(g_selected_item > 0)
1353                                         g_selected_item--;
1354                                 else
1355                                         g_selected_item = max_item;
1356                         }
1357                 }
1358
1359                 // Item selection
1360                 for(u16 i=0; i<10; i++)
1361                 {
1362                         s32 keycode = irr::KEY_KEY_1 + i;
1363                         if(i == 9)
1364                                 keycode = irr::KEY_KEY_0;
1365                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1366                         {
1367                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1368                                 {
1369                                         g_selected_item = i;
1370
1371                                         dstream<<DTIME<<"Selected item: "
1372                                                         <<g_selected_item<<std::endl;
1373                                 }
1374                         }
1375                 }
1376
1377                 // Viewing range selection
1378                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1379                 {
1380                         if(draw_control.range_all)
1381                         {
1382                                 draw_control.range_all = false;
1383                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1384                         }
1385                         else
1386                         {
1387                                 draw_control.range_all = true;
1388                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1389                         }
1390                 }
1391
1392                 // Print debug stacks
1393                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1394                 {
1395                         dstream<<"-----------------------------------------"
1396                                         <<std::endl;
1397                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1398                         dstream<<"-----------------------------------------"
1399                                         <<std::endl;
1400                         debug_stacks_print();
1401                 }
1402
1403                 /*
1404                         Player speed control
1405                         TODO: Cache the keycodes from getKeySetting
1406                 */
1407
1408                 {
1409                         /*bool a_up,
1410                         bool a_down,
1411                         bool a_left,
1412                         bool a_right,
1413                         bool a_jump,
1414                         bool a_superspeed,
1415                         bool a_sneak,
1416                         float a_pitch,
1417                         float a_yaw*/
1418                         PlayerControl control(
1419                                 input->isKeyDown(getKeySetting("keymap_forward")),
1420                                 input->isKeyDown(getKeySetting("keymap_backward")),
1421                                 input->isKeyDown(getKeySetting("keymap_left")),
1422                                 input->isKeyDown(getKeySetting("keymap_right")),
1423                                 input->isKeyDown(getKeySetting("keymap_jump")),
1424                                 input->isKeyDown(getKeySetting("keymap_special1")),
1425                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1426                                 camera_pitch,
1427                                 camera_yaw
1428                         );
1429                         client.setPlayerControl(control);
1430                 }
1431
1432                 /*
1433                         Run server
1434                 */
1435
1436                 if(server != NULL)
1437                 {
1438                         //TimeTaker timer("server->step(dtime)");
1439                         server->step(dtime);
1440                 }
1441
1442                 /*
1443                         Process environment
1444                 */
1445
1446                 {
1447                         //TimeTaker timer("client.step(dtime)");
1448                         client.step(dtime);
1449                         //client.step(dtime_avg1);
1450                 }
1451
1452                 // Read client events
1453                 for(;;)
1454                 {
1455                         ClientEvent event = client.getClientEvent();
1456                         if(event.type == CE_NONE)
1457                         {
1458                                 break;
1459                         }
1460                         else if(event.type == CE_PLAYER_DAMAGE)
1461                         {
1462                                 //u16 damage = event.player_damage.amount;
1463                                 //dstream<<"Player damage: "<<damage<<std::endl;
1464                                 damage_flash_timer = 0.05;
1465                         }
1466                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1467                         {
1468                                 camera_yaw = event.player_force_move.yaw;
1469                                 camera_pitch = event.player_force_move.pitch;
1470                         }
1471                 }
1472
1473                 // Get player position
1474                 v3f player_position = client.getPlayerPosition();
1475
1476                 //TimeTaker //timer2("//timer2");
1477
1478                 /*
1479                         Mouse and camera control
1480                 */
1481
1482                 if((device->isWindowActive() && noMenuActive()) || random_input)
1483                 {
1484                         if(!random_input)
1485                         {
1486                                 // Mac OSX gets upset if this is set every frame
1487                                 if(device->getCursorControl()->isVisible())
1488                                         device->getCursorControl()->setVisible(false);
1489                         }
1490
1491                         if(first_loop_after_window_activation){
1492                                 //std::cout<<"window active, first loop"<<std::endl;
1493                                 first_loop_after_window_activation = false;
1494                         }
1495                         else{
1496                                 s32 dx = input->getMousePos().X - displaycenter.X;
1497                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1498                                 if(invert_mouse)
1499                                         dy = -dy;
1500                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1501
1502                                 /*const float keyspeed = 500;
1503                                 if(input->isKeyDown(irr::KEY_UP))
1504                                         dy -= dtime * keyspeed;
1505                                 if(input->isKeyDown(irr::KEY_DOWN))
1506                                         dy += dtime * keyspeed;
1507                                 if(input->isKeyDown(irr::KEY_LEFT))
1508                                         dx -= dtime * keyspeed;
1509                                 if(input->isKeyDown(irr::KEY_RIGHT))
1510                                         dx += dtime * keyspeed;*/
1511
1512                                 camera_yaw -= dx*0.2;
1513                                 camera_pitch += dy*0.2;
1514                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1515                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1516                         }
1517                         input->setMousePos(displaycenter.X, displaycenter.Y);
1518                 }
1519                 else{
1520                         // Mac OSX gets upset if this is set every frame
1521                         if(device->getCursorControl()->isVisible() == false)
1522                                 device->getCursorControl()->setVisible(true);
1523
1524                         //std::cout<<"window inactive"<<std::endl;
1525                         first_loop_after_window_activation = true;
1526                 }
1527
1528                 camera_yaw = wrapDegrees(camera_yaw);
1529                 camera_pitch = wrapDegrees(camera_pitch);
1530
1531                 v3f camera_direction = v3f(0,0,1);
1532                 camera_direction.rotateYZBy(camera_pitch);
1533                 camera_direction.rotateXZBy(camera_yaw);
1534
1535                 // This is at the height of the eyes of the current figure
1536                 //v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
1537                 // This is more like in minecraft
1538                 v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
1539
1540                 camera->setPosition(camera_position);
1541                 // *100.0 helps in large map coordinates
1542                 camera->setTarget(camera_position + camera_direction * 100.0);
1543
1544                 if(FIELD_OF_VIEW_TEST){
1545                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1546                 }
1547                 else{
1548                         //TimeTaker timer("client.updateCamera");
1549                         client.updateCamera(camera_position, camera_direction);
1550                 }
1551
1552                 //timer2.stop();
1553                 //TimeTaker //timer3("//timer3");
1554
1555                 /*
1556                         Calculate what block is the crosshair pointing to
1557                 */
1558
1559                 //u32 t1 = device->getTimer()->getRealTime();
1560
1561                 //f32 d = 4; // max. distance
1562                 f32 d = 4; // max. distance
1563                 core::line3d<f32> shootline(camera_position,
1564                                 camera_position + camera_direction * BS * (d+1));
1565
1566                 MapBlockObject *selected_object = client.getSelectedObject
1567                                 (d*BS, camera_position, shootline);
1568
1569                 ClientActiveObject *selected_active_object
1570                                 = client.getSelectedActiveObject
1571                                         (d*BS, camera_position, shootline);
1572
1573                 if(selected_object != NULL)
1574                 {
1575                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1576
1577                         core::aabbox3d<f32> box_on_map
1578                                         = selected_object->getSelectionBoxOnMap();
1579
1580                         hilightboxes.push_back(box_on_map);
1581
1582                         infotext = narrow_to_wide(selected_object->infoText());
1583
1584                         if(input->getLeftClicked())
1585                         {
1586                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1587                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1588                                                 selected_object->getId(), g_selected_item);
1589                         }
1590                         else if(input->getRightClicked())
1591                         {
1592                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1593                                 /*
1594                                         Check if we want to modify the object ourselves
1595                                 */
1596                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1597                                 {
1598                                         dstream<<"Sign object right-clicked"<<std::endl;
1599
1600                                         if(random_input == false)
1601                                         {
1602                                                 // Get a new text for it
1603
1604                                                 TextDest *dest = new TextDestSign(
1605                                                                 selected_object->getBlock()->getPos(),
1606                                                                 selected_object->getId(),
1607                                                                 &client);
1608
1609                                                 SignObject *sign_object = (SignObject*)selected_object;
1610
1611                                                 std::wstring wtext =
1612                                                                 narrow_to_wide(sign_object->getText());
1613
1614                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1615                                                                 &g_menumgr, dest,
1616                                                                 wtext))->drop();
1617                                         }
1618                                 }
1619                                 /*
1620                                         Otherwise pass the event to the server as-is
1621                                 */
1622                                 else
1623                                 {
1624                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1625                                                         selected_object->getId(), g_selected_item);
1626                                 }
1627                         }
1628                 }
1629                 else if(selected_active_object != NULL)
1630                 {
1631                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1632
1633                         core::aabbox3d<f32> *selection_box
1634                                         = selected_active_object->getSelectionBox();
1635                         // Box should exist because object was returned in the
1636                         // first place
1637                         assert(selection_box);
1638
1639                         v3f pos = selected_active_object->getPosition();
1640
1641                         core::aabbox3d<f32> box_on_map(
1642                                         selection_box->MinEdge + pos,
1643                                         selection_box->MaxEdge + pos
1644                         );
1645
1646                         hilightboxes.push_back(box_on_map);
1647
1648                         //infotext = narrow_to_wide("A ClientActiveObject");
1649                         infotext = narrow_to_wide(selected_active_object->infoText());
1650
1651                         if(input->getLeftClicked())
1652                         {
1653                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1654                                 client.clickActiveObject(0,
1655                                                 selected_active_object->getId(), g_selected_item);
1656                         }
1657                         else if(input->getRightClicked())
1658                         {
1659                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1660                                 client.clickActiveObject(1,
1661                                                 selected_active_object->getId(), g_selected_item);
1662                         }
1663                 }
1664                 else // selected_object == NULL
1665                 {
1666
1667                 /*
1668                         Find out which node we are pointing at
1669                 */
1670
1671                 bool nodefound = false;
1672                 v3s16 nodepos;
1673                 v3s16 neighbourpos;
1674                 core::aabbox3d<f32> nodehilightbox;
1675
1676                 getPointedNode(&client, player_position,
1677                                 camera_direction, camera_position,
1678                                 nodefound, shootline,
1679                                 nodepos, neighbourpos,
1680                                 nodehilightbox, d);
1681
1682                 static float nodig_delay_counter = 0.0;
1683
1684                 if(nodefound)
1685                 {
1686                         static v3s16 nodepos_old(-32768,-32768,-32768);
1687
1688                         static float dig_time = 0.0;
1689                         static u16 dig_index = 0;
1690
1691                         /*
1692                                 Visualize selection
1693                         */
1694
1695                         hilightboxes.push_back(nodehilightbox);
1696
1697                         /*
1698                                 Check information text of node
1699                         */
1700
1701                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1702                         if(meta)
1703                         {
1704                                 infotext = narrow_to_wide(meta->infoText());
1705                         }
1706
1707                         //MapNode node = client.getNode(nodepos);
1708
1709                         /*
1710                                 Handle digging
1711                         */
1712
1713                         if(input->getLeftReleased())
1714                         {
1715                                 client.clearTempMod(nodepos);
1716                                 dig_time = 0.0;
1717                         }
1718
1719                         if(nodig_delay_counter > 0.0)
1720                         {
1721                                 nodig_delay_counter -= dtime;
1722                         }
1723                         else
1724                         {
1725                                 if(nodepos != nodepos_old)
1726                                 {
1727                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1728                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1729
1730                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1731                                         {
1732                                                 client.clearTempMod(nodepos_old);
1733                                                 dig_time = 0.0;
1734                                         }
1735                                 }
1736
1737                                 if(input->getLeftClicked() ||
1738                                                 (input->getLeftState() && nodepos != nodepos_old))
1739                                 {
1740                                         dstream<<DTIME<<"Started digging"<<std::endl;
1741                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1742                                 }
1743                                 if(input->getLeftClicked())
1744                                 {
1745                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1746                                 }
1747                                 if(input->getLeftState())
1748                                 {
1749                                         MapNode n = client.getNode(nodepos);
1750
1751                                         // Get tool name. Default is "" = bare hands
1752                                         std::string toolname = "";
1753                                         InventoryList *mlist = local_inventory.getList("main");
1754                                         if(mlist != NULL)
1755                                         {
1756                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1757                                                 if(item && (std::string)item->getName() == "ToolItem")
1758                                                 {
1759                                                         ToolItem *titem = (ToolItem*)item;
1760                                                         toolname = titem->getToolName();
1761                                                 }
1762                                         }
1763
1764                                         // Get digging properties for material and tool
1765                                         content_t material = n.getContent();
1766                                         DiggingProperties prop =
1767                                                         getDiggingProperties(material, toolname);
1768
1769                                         float dig_time_complete = 0.0;
1770
1771                                         if(prop.diggable == false)
1772                                         {
1773                                                 /*dstream<<"Material "<<(int)material
1774                                                                 <<" not diggable with \""
1775                                                                 <<toolname<<"\""<<std::endl;*/
1776                                                 // I guess nobody will wait for this long
1777                                                 dig_time_complete = 10000000.0;
1778                                         }
1779                                         else
1780                                         {
1781                                                 dig_time_complete = prop.time;
1782                                         }
1783
1784                                         if(dig_time_complete >= 0.001)
1785                                         {
1786                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1787                                                                 * dig_time/dig_time_complete);
1788                                         }
1789                                         // This is for torches
1790                                         else
1791                                         {
1792                                                 dig_index = CRACK_ANIMATION_LENGTH;
1793                                         }
1794
1795                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1796                                         {
1797                                                 //TimeTaker timer("client.setTempMod");
1798                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1799                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1800                                         }
1801                                         else
1802                                         {
1803                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1804                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1805                                                 client.clearTempMod(nodepos);
1806                                                 client.removeNode(nodepos);
1807
1808                                                 dig_time = 0;
1809
1810                                                 nodig_delay_counter = dig_time_complete
1811                                                                 / (float)CRACK_ANIMATION_LENGTH;
1812
1813                                                 // We don't want a corresponding delay to
1814                                                 // very time consuming nodes
1815                                                 if(nodig_delay_counter > 0.5)
1816                                                 {
1817                                                         nodig_delay_counter = 0.5;
1818                                                 }
1819                                                 // We want a slight delay to very little
1820                                                 // time consuming nodes
1821                                                 float mindelay = 0.15;
1822                                                 if(nodig_delay_counter < mindelay)
1823                                                 {
1824                                                         nodig_delay_counter = mindelay;
1825                                                 }
1826                                         }
1827
1828                                         dig_time += dtime;
1829                                 }
1830                         }
1831
1832                         if(input->getRightClicked())
1833                         {
1834                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1835
1836                                 // If metadata provides an inventory view, activate it
1837                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1838                                 {
1839                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1840                                         /*
1841                                                 Construct the unique identification string of the node
1842                                         */
1843                                         std::string current_name;
1844                                         current_name += "nodemeta:";
1845                                         current_name += itos(nodepos.X);
1846                                         current_name += ",";
1847                                         current_name += itos(nodepos.Y);
1848                                         current_name += ",";
1849                                         current_name += itos(nodepos.Z);
1850
1851                                         /*
1852                                                 Create menu
1853                                         */
1854
1855                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1856                                         v2s16 invsize =
1857                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1858                                                         draw_spec,
1859                                                         meta->getInventoryDrawSpecString(),
1860                                                         current_name);
1861
1862                                         GUIInventoryMenu *menu =
1863                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1864                                                         &g_menumgr, invsize,
1865                                                         client.getInventoryContext(),
1866                                                         &client);
1867                                         menu->setDrawSpec(draw_spec);
1868                                         menu->drop();
1869                                 }
1870                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1871                                 {
1872                                         dstream<<"Sign node right-clicked"<<std::endl;
1873
1874                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1875
1876                                         // Get a new text for it
1877
1878                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1879
1880                                         std::wstring wtext =
1881                                                         narrow_to_wide(signmeta->getText());
1882
1883                                         (new GUITextInputMenu(guienv, guiroot, -1,
1884                                                         &g_menumgr, dest,
1885                                                         wtext))->drop();
1886                                 }
1887                                 else
1888                                 {
1889                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1890                                 }
1891                         }
1892
1893                         nodepos_old = nodepos;
1894                 }
1895                 else{
1896                 }
1897
1898                 } // selected_object == NULL
1899
1900                 input->resetLeftClicked();
1901                 input->resetRightClicked();
1902
1903                 if(input->getLeftReleased())
1904                 {
1905                         std::cout<<DTIME<<"Left button released (stopped digging)"
1906                                         <<std::endl;
1907                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1908                 }
1909                 if(input->getRightReleased())
1910                 {
1911                         //std::cout<<DTIME<<"Right released"<<std::endl;
1912                         // Nothing here
1913                 }
1914
1915                 input->resetLeftReleased();
1916                 input->resetRightReleased();
1917
1918                 /*
1919                         Calculate stuff for drawing
1920                 */
1921
1922                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1923
1924                 u32 daynight_ratio = client.getDayNightRatio();
1925                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1926                 video::SColor bgcolor = video::SColor(
1927                                 255,
1928                                 bgcolor_bright.getRed() * l / 255,
1929                                 bgcolor_bright.getGreen() * l / 255,
1930                                 bgcolor_bright.getBlue() * l / 255);
1931                                 /*skycolor.getRed() * l / 255,
1932                                 skycolor.getGreen() * l / 255,
1933                                 skycolor.getBlue() * l / 255);*/
1934
1935                 float brightness = (float)l/255.0;
1936
1937                 /*
1938                         Update skybox
1939                 */
1940                 if(fabs(brightness - old_brightness) > 0.01)
1941                         update_skybox(driver, smgr, skybox, brightness);
1942
1943                 /*
1944                         Update coulds
1945                 */
1946                 if(clouds)
1947                 {
1948                         clouds->step(dtime);
1949                         clouds->update(v2f(player_position.X, player_position.Z),
1950                                         0.05+brightness*0.95);
1951                 }
1952
1953                 /*
1954                         Update farmesh
1955                 */
1956                 if(farmesh)
1957                 {
1958                         farmesh->step(dtime);
1959                         farmesh->update(v2f(player_position.X, player_position.Z),
1960                                         0.05+brightness*0.95);
1961                 }
1962
1963                 // Store brightness value
1964                 old_brightness = brightness;
1965
1966                 /*
1967                         Fog
1968                 */
1969
1970                 if(g_settings.getBool("enable_fog") == true)
1971                 {
1972                         f32 range;
1973                         if(farmesh)
1974                         {
1975                                 range = BS*farmesh_range;
1976                         }
1977                         else
1978                         {
1979                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
1980                                 if(draw_control.range_all)
1981                                         range = 100000*BS;
1982                                 if(range < 50*BS)
1983                                         range = range * 0.5 + 25*BS;
1984                         }
1985
1986                         driver->setFog(
1987                                 bgcolor,
1988                                 video::EFT_FOG_LINEAR,
1989                                 range*0.4,
1990                                 range*1.0,
1991                                 0.01,
1992                                 false, // pixel fog
1993                                 false // range fog
1994                         );
1995                 }
1996                 else
1997                 {
1998                         driver->setFog(
1999                                 bgcolor,
2000                                 video::EFT_FOG_LINEAR,
2001                                 100000*BS,
2002                                 110000*BS,
2003                                 0.01,
2004                                 false, // pixel fog
2005                                 false // range fog
2006                         );
2007                 }
2008
2009
2010                 /*
2011                         Update gui stuff (0ms)
2012                 */
2013
2014                 //TimeTaker guiupdatetimer("Gui updating");
2015
2016                 {
2017                         static float drawtime_avg = 0;
2018                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2019                         static float beginscenetime_avg = 0;
2020                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2021                         static float scenetime_avg = 0;
2022                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2023                         static float endscenetime_avg = 0;
2024                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
2025
2026                         char temptext[300];
2027                         snprintf(temptext, 300, "Minetest-c55 %s ("
2028                                         "R: range_all=%i"
2029                                         ")"
2030                                         " drawtime=%.0f, beginscenetime=%.0f"
2031                                         ", scenetime=%.0f, endscenetime=%.0f",
2032                                         VERSION_STRING,
2033                                         draw_control.range_all,
2034                                         drawtime_avg,
2035                                         beginscenetime_avg,
2036                                         scenetime_avg,
2037                                         endscenetime_avg
2038                                         );
2039
2040                         guitext->setText(narrow_to_wide(temptext).c_str());
2041                 }
2042
2043                 {
2044                         char temptext[300];
2045                         snprintf(temptext, 300,
2046                                         "(% .1f, % .1f, % .1f)"
2047                                         " (% .3f < btime_jitter < % .3f"
2048                                         ", dtime_jitter = % .1f %%"
2049                                         ", v_range = %.1f)",
2050                                         player_position.X/BS,
2051                                         player_position.Y/BS,
2052                                         player_position.Z/BS,
2053                                         busytime_jitter1_min_sample,
2054                                         busytime_jitter1_max_sample,
2055                                         dtime_jitter1_max_fraction * 100.0,
2056                                         draw_control.wanted_range
2057                                         );
2058
2059                         guitext2->setText(narrow_to_wide(temptext).c_str());
2060                 }
2061
2062                 {
2063                         guitext_info->setText(infotext.c_str());
2064                 }
2065
2066                 /*
2067                         Get chat messages from client
2068                 */
2069                 {
2070                         // Get new messages
2071                         std::wstring message;
2072                         while(client.getChatMessage(message))
2073                         {
2074                                 chat_lines.push_back(ChatLine(message));
2075                                 /*if(chat_lines.size() > 6)
2076                                 {
2077                                         core::list<ChatLine>::Iterator
2078                                                         i = chat_lines.begin();
2079                                         chat_lines.erase(i);
2080                                 }*/
2081                         }
2082                         // Append them to form the whole static text and throw
2083                         // it to the gui element
2084                         std::wstring whole;
2085                         // This will correspond to the line number counted from
2086                         // top to bottom, from size-1 to 0
2087                         s16 line_number = chat_lines.size();
2088                         // Count of messages to be removed from the top
2089                         u16 to_be_removed_count = 0;
2090                         for(core::list<ChatLine>::Iterator
2091                                         i = chat_lines.begin();
2092                                         i != chat_lines.end(); i++)
2093                         {
2094                                 // After this, line number is valid for this loop
2095                                 line_number--;
2096                                 // Increment age
2097                                 (*i).age += dtime;
2098                                 /*
2099                                         This results in a maximum age of 60*6 to the
2100                                         lowermost line and a maximum of 6 lines
2101                                 */
2102                                 float allowed_age = (6-line_number) * 60.0;
2103
2104                                 if((*i).age > allowed_age)
2105                                 {
2106                                         to_be_removed_count++;
2107                                         continue;
2108                                 }
2109                                 whole += (*i).text + L'\n';
2110                         }
2111                         for(u16 i=0; i<to_be_removed_count; i++)
2112                         {
2113                                 core::list<ChatLine>::Iterator
2114                                                 it = chat_lines.begin();
2115                                 chat_lines.erase(it);
2116                         }
2117                         guitext_chat->setText(whole.c_str());
2118
2119                         // Update gui element size and position
2120
2121                         /*core::rect<s32> rect(
2122                                         10,
2123                                         screensize.Y - guitext_chat_pad_bottom
2124                                                         - text_height*chat_lines.size(),
2125                                         screensize.X - 10,
2126                                         screensize.Y - guitext_chat_pad_bottom
2127                         );*/
2128                         core::rect<s32> rect(
2129                                         10,
2130                                         50,
2131                                         screensize.X - 10,
2132                                         50 + guitext_chat->getTextHeight()
2133                         );
2134
2135                         guitext_chat->setRelativePosition(rect);
2136
2137                         if(chat_lines.size() == 0)
2138                                 guitext_chat->setVisible(false);
2139                         else
2140                                 guitext_chat->setVisible(true);
2141                 }
2142
2143                 /*
2144                         Inventory
2145                 */
2146
2147                 static u16 old_selected_item = 65535;
2148                 if(client.getLocalInventoryUpdated()
2149                                 || g_selected_item != old_selected_item)
2150                 {
2151                         old_selected_item = g_selected_item;
2152                         //std::cout<<"Updating local inventory"<<std::endl;
2153                         client.getLocalInventory(local_inventory);
2154                 }
2155
2156                 /*
2157                         Send actions returned by the inventory menu
2158                 */
2159                 while(inventory_action_queue.size() != 0)
2160                 {
2161                         InventoryAction *a = inventory_action_queue.pop_front();
2162
2163                         client.sendInventoryAction(a);
2164                         // Eat it
2165                         delete a;
2166                 }
2167
2168                 /*
2169                         Drawing begins
2170                 */
2171
2172                 TimeTaker drawtimer("Drawing");
2173
2174
2175                 {
2176                         TimeTaker timer("beginScene");
2177                         driver->beginScene(true, true, bgcolor);
2178                         //driver->beginScene(false, true, bgcolor);
2179                         beginscenetime = timer.stop(true);
2180                 }
2181
2182                 //timer3.stop();
2183
2184                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2185
2186                 {
2187                         TimeTaker timer("smgr");
2188                         smgr->drawAll();
2189                         scenetime = timer.stop(true);
2190                 }
2191
2192                 {
2193                 //TimeTaker timer9("auxiliary drawings");
2194                 // 0ms
2195
2196                 //timer9.stop();
2197                 //TimeTaker //timer10("//timer10");
2198
2199                 video::SMaterial m;
2200                 //m.Thickness = 10;
2201                 m.Thickness = 3;
2202                 m.Lighting = false;
2203                 driver->setMaterial(m);
2204
2205                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2206
2207                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2208                                 i != hilightboxes.end(); i++)
2209                 {
2210                         /*std::cout<<"hilightbox min="
2211                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2212                                         <<" max="
2213                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2214                                         <<std::endl;*/
2215                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2216                 }
2217
2218                 /*
2219                         Frametime log
2220                 */
2221                 if(g_settings.getBool("frametime_graph") == true)
2222                 {
2223                         s32 x = 10;
2224                         for(core::list<float>::Iterator
2225                                         i = frametime_log.begin();
2226                                         i != frametime_log.end();
2227                                         i++)
2228                         {
2229                                 driver->draw2DLine(v2s32(x,50),
2230                                                 v2s32(x,50+(*i)*1000),
2231                                                 video::SColor(255,255,255,255));
2232                                 x++;
2233                         }
2234                 }
2235
2236                 /*
2237                         Draw crosshair
2238                 */
2239                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2240                                 displaycenter + core::vector2d<s32>(10,0),
2241                                 video::SColor(255,255,255,255));
2242                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2243                                 displaycenter + core::vector2d<s32>(0,10),
2244                                 video::SColor(255,255,255,255));
2245
2246                 } // timer
2247
2248                 //timer10.stop();
2249                 //TimeTaker //timer11("//timer11");
2250
2251                 /*
2252                         Draw gui
2253                 */
2254                 // 0-1ms
2255                 guienv->drawAll();
2256
2257                 /*
2258                         Draw hotbar
2259                 */
2260                 {
2261                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2262                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2263                                         client.getHP());
2264                 }
2265
2266                 /*
2267                         Damage flash
2268                 */
2269                 if(damage_flash_timer > 0.0)
2270                 {
2271                         damage_flash_timer -= dtime;
2272
2273                         video::SColor color(128,255,0,0);
2274                         driver->draw2DRectangle(color,
2275                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2276                                         NULL);
2277                 }
2278
2279                 /*
2280                         Environment post fx
2281                 */
2282                 {
2283                         client.getEnv()->drawPostFx(driver, camera_position);
2284                 }
2285
2286                 /*
2287                         End scene
2288                 */
2289                 {
2290                         TimeTaker timer("endScene");
2291                         endSceneX(driver);
2292                         endscenetime = timer.stop(true);
2293                 }
2294
2295                 drawtime = drawtimer.stop(true);
2296
2297                 /*
2298                         End of drawing
2299                 */
2300
2301                 static s16 lastFPS = 0;
2302                 //u16 fps = driver->getFPS();
2303                 u16 fps = (1.0/dtime_avg1);
2304
2305                 if (lastFPS != fps)
2306                 {
2307                         core::stringw str = L"Minetest [";
2308                         str += driver->getName();
2309                         str += "] FPS=";
2310                         str += fps;
2311
2312                         device->setWindowCaption(str.c_str());
2313                         lastFPS = fps;
2314                 }
2315         }
2316
2317         /*
2318                 Drop stuff
2319         */
2320         if(clouds)
2321                 clouds->drop();
2322
2323         /*
2324                 Draw a "shutting down" screen, which will be shown while the map
2325                 generator and other stuff quits
2326         */
2327         {
2328                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2329                 draw_load_screen(L"Shutting down stuff...", driver, font);
2330                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2331                 guienv->drawAll();
2332                 driver->endScene();
2333                 gui_shuttingdowntext->remove();*/
2334         }
2335 }
2336
2337