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.d) == 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.d == CONTENT_TORCH)
 446                 {
 447                         v3s16 dir = unpackDir(n.dir);
 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.d == CONTENT_SIGN_WALL)
 493                 {
 494                         v3s16 dir = unpackDir(n.dir);
 495                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 496                         dir_f *= BS/2 - BS/6 - BS/20;
 497                         v3f cpf = npf + dir_f;
 498                         f32 distance = (cpf - camera_position).getLength();
 499
 500                         v3f vertices[4] =
 501                         {
 502                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 503                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 504                         };
 505
 506                         for(s32 i=0; i<2; i++)
 507                         {
 508                                 if(dir == v3s16(1,0,0))
 509                                         vertices[i].rotateXZBy(0);
 510                                 if(dir == v3s16(-1,0,0))
 511                                         vertices[i].rotateXZBy(180);
 512                                 if(dir == v3s16(0,0,1))
 513                                         vertices[i].rotateXZBy(90);
 514                                 if(dir == v3s16(0,0,-1))
 515                                         vertices[i].rotateXZBy(-90);
 516                                 if(dir == v3s16(0,-1,0))
 517                                         vertices[i].rotateXYBy(-90);
 518                                 if(dir == v3s16(0,1,0))
 519                                         vertices[i].rotateXYBy(90);
 520
 521                                 vertices[i] += npf;
 522                         }
 523
 524                         core::aabbox3d<f32> box;
 525
 526                         box = core::aabbox3d<f32>(vertices[0]);
 527                         box.addInternalPoint(vertices[1]);
 528
 529                         if(distance < mindistance)
 530                         {
 531                                 if(box.intersectsWithLine(shootline))
 532                                 {
 533                                         nodefound = true;
 534                                         nodepos = np;
 535                                         neighbourpos = np;
 536                                         mindistance = distance;
 537                                         nodehilightbox = box;
 538                                 }
 539                         }
 540                 }
 541                 /*
 542                         Regular blocks
 543                 */
 544                 else
 545                 {
 546                         for(u16 i=0; i<6; i++)
 547                         {
 548                                 v3f dir_f = v3f(dirs[i].X,
 549                                                 dirs[i].Y, dirs[i].Z);
 550                                 v3f centerpoint = npf + dir_f * BS/2;
 551                                 f32 distance =
 552                                                 (centerpoint - camera_position).getLength();
 553
 554                                 if(distance < mindistance)
 555                                 {
 556                                         core::CMatrix4<f32> m;
 557                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 558
 559                                         // This is the back face
 560                                         v3f corners[2] = {
 561                                                 v3f(BS/2, BS/2, BS/2),
 562                                                 v3f(-BS/2, -BS/2, BS/2+d)
 563                                         };
 564
 565                                         for(u16 j=0; j<2; j++)
 566                                         {
 567                                                 m.rotateVect(corners[j]);
 568                                                 corners[j] += npf;
 569                                         }
 570
 571                                         core::aabbox3d<f32> facebox(corners[0]);
 572                                         facebox.addInternalPoint(corners[1]);
 573
 574                                         if(facebox.intersectsWithLine(shootline))
 575                                         {
 576                                                 nodefound = true;
 577                                                 nodepos = np;
 578                                                 neighbourpos = np + dirs[i];
 579                                                 mindistance = distance;
 580
 581                                                 //nodehilightbox = facebox;
 582
 583                                                 const float d = 0.502;
 584                                                 core::aabbox3d<f32> nodebox
 585                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 586                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 587                                                 nodebox.MinEdge += nodepos_f;
 588                                                 nodebox.MaxEdge += nodepos_f;
 589                                                 nodehilightbox = nodebox;
 590                                         }
 591                                 } // if distance < mindistance
 592                         } // for dirs
 593                 } // regular block
 594         } // for coords
 595 }
 596
 597 void update_skybox(video::IVideoDriver* driver,
 598                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 599                 float brightness)
 600 {
 601         if(skybox)
 602         {
 603                 skybox->remove();
 604         }
 605
 606         /*// Disable skybox if FarMesh is enabled
 607         if(g_settings.getBool("enable_farmesh"))
 608                 return;*/
 609
 610         if(brightness >= 0.5)
 611         {
 612                 skybox = smgr->addSkyBoxSceneNode(
 613                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 614                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 615                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 616                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 617                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 618                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 619         }
 620         else if(brightness >= 0.2)
 621         {
 622                 skybox = smgr->addSkyBoxSceneNode(
 623                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 624                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 625                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 626                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 627                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 628                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 629         }
 630         else
 631         {
 632                 skybox = smgr->addSkyBoxSceneNode(
 633                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 634                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 635                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 636                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 637                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 638                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 639         }
 640 }
 641
 642 /*
 643         Draws a screen with a single text on it.
 644         Text will be removed when the screen is drawn the next time.
 645 */
 646 /*gui::IGUIStaticText **/
 647 void draw_load_screen(const std::wstring &text,
 648                 video::IVideoDriver* driver, gui::IGUIFont* font)
 649 {
 650         v2u32 screensize = driver->getScreenSize();
 651         const wchar_t *loadingtext = text.c_str();
 652         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 653         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 654         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 655         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 656
 657         gui::IGUIStaticText *guitext = guienv->addStaticText(
 658                         loadingtext, textrect, false, false);
 659         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 660
 661         driver->beginScene(true, true, video::SColor(255,0,0,0));
 662         guienv->drawAll();
 663         driver->endScene();
 664
 665         guitext->remove();
 666
 667         //return guitext;
 668 }
 669
 670 void the_game(
 671         bool &kill,
 672         bool random_input,
 673         InputHandler *input,
 674         IrrlichtDevice *device,
 675         gui::IGUIFont* font,
 676         std::string map_dir,
 677         std::string playername,
 678         std::string password,
 679         std::string address,
 680         u16 port,
 681         std::wstring &error_message
 682 )
 683 {
 684         video::IVideoDriver* driver = device->getVideoDriver();
 685         scene::ISceneManager* smgr = device->getSceneManager();
 686
 687         // Calculate text height using the font
 688         u32 text_height = font->getDimension(L"Random test string").Height;
 689
 690         v2u32 screensize(0,0);
 691         v2u32 last_screensize(0,0);
 692         screensize = driver->getScreenSize();
 693
 694         const s32 hotbar_itemcount = 8;
 695         //const s32 hotbar_imagesize = 36;
 696         //const s32 hotbar_imagesize = 64;
 697         s32 hotbar_imagesize = 48;
 698
 699         // The color of the sky
 700
 701         //video::SColor skycolor = video::SColor(255,140,186,250);
 702
 703         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 704
 705         /*
 706                 Draw "Loading" screen
 707         */
 708         /*gui::IGUIStaticText *gui_loadingtext = */
 709         //draw_load_screen(L"Loading and connecting...", driver, font);
 710
 711         draw_load_screen(L"Loading...", driver, font);
 712
 713         /*
 714                 Create server.
 715                 SharedPtr will delete it when it goes out of scope.
 716         */
 717         SharedPtr<Server> server;
 718         if(address == ""){
 719                 draw_load_screen(L"Creating server...", driver, font);
 720                 std::cout<<DTIME<<"Creating server"<<std::endl;
 721                 server = new Server(map_dir);
 722                 server->start(port);
 723         }
 724
 725         /*
 726                 Create client
 727         */
 728
 729         draw_load_screen(L"Creating client...", driver, font);
 730         std::cout<<DTIME<<"Creating client"<<std::endl;
 731         Client client(device, playername.c_str(), password, draw_control);
 732
 733         draw_load_screen(L"Resolving address...", driver, font);
 734         Address connect_address(0,0,0,0, port);
 735         try{
 736                 if(address == "")
 737                         //connect_address.Resolve("localhost");
 738                         connect_address.setAddress(127,0,0,1);
 739                 else
 740                         connect_address.Resolve(address.c_str());
 741         }
 742         catch(ResolveError &e)
 743         {
 744                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 745                 //return 0;
 746                 error_message = L"Couldn't resolve address";
 747                 //gui_loadingtext->remove();
 748                 return;
 749         }
 750
 751         /*
 752                 Attempt to connect to the server
 753         */
 754
 755         dstream<<DTIME<<"Connecting to server at ";
 756         connect_address.print(&dstream);
 757         dstream<<std::endl;
 758         client.connect(connect_address);
 759
 760         bool could_connect = false;
 761
 762         try{
 763                 float time_counter = 0.0;
 764                 for(;;)
 765                 {
 766                         if(client.connectedAndInitialized())
 767                         {
 768                                 could_connect = true;
 769                                 break;
 770                         }
 771                         if(client.accessDenied())
 772                         {
 773                                 break;
 774                         }
 775                         // Wait for 10 seconds
 776                         if(time_counter >= 10.0)
 777                         {
 778                                 break;
 779                         }
 780
 781                         std::wostringstream ss;
 782                         ss<<L"Connecting to server... (timeout in ";
 783                         ss<<(int)(10.0 - time_counter + 1.0);
 784                         ss<<L" seconds)";
 785                         draw_load_screen(ss.str(), driver, font);
 786
 787                         /*// Update screen
 788                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 789                         guienv->drawAll();
 790                         driver->endScene();*/
 791
 792                         // Update client and server
 793
 794                         client.step(0.1);
 795
 796                         if(server != NULL)
 797                                 server->step(0.1);
 798
 799                         // Delay a bit
 800                         sleep_ms(100);
 801                         time_counter += 0.1;
 802                 }
 803         }
 804         catch(con::PeerNotFoundException &e)
 805         {}
 806
 807         if(could_connect == false)
 808         {
 809                 if(client.accessDenied())
 810                 {
 811                         error_message = L"Access denied. Reason: "
 812                                         +client.accessDeniedReason();
 813                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
 814                 }
 815                 else
 816                 {
 817                         error_message = L"Connection timed out.";
 818                         std::cout<<DTIME<<"Timed out."<<std::endl;
 819                 }
 820                 //gui_loadingtext->remove();
 821                 return;
 822         }
 823
 824         /*
 825                 Create skybox
 826         */
 827         float old_brightness = 1.0;
 828         scene::ISceneNode* skybox = NULL;
 829         update_skybox(driver, smgr, skybox, 1.0);
 830
 831         /*
 832                 Create the camera node
 833         */
 834
 835         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 836                 0, // Camera parent
 837                 v3f(BS*100, BS*2, BS*100), // Look from
 838                 v3f(BS*100+1, BS*2, BS*100), // Look to
 839                 -1 // Camera ID
 840         );
 841
 842         if(camera == NULL)
 843         {
 844                 error_message = L"Failed to create the camera node";
 845                 return;
 846         }
 847
 848         camera->setFOV(FOV_ANGLE);
 849
 850         // Just so big a value that everything rendered is visible
 851         camera->setFarValue(100000*BS);
 852
 853         f32 camera_yaw = 0; // "right/left"
 854         f32 camera_pitch = 0; // "up/down"
 855
 856         /*
 857                 Clouds
 858         */
 859
 860         float cloud_height = BS*100;
 861         Clouds *clouds = NULL;
 862         if(g_settings.getBool("enable_clouds"))
 863         {
 864                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 865                                 cloud_height, time(0));
 866         }
 867
 868         /*
 869                 FarMesh
 870         */
 871
 872         FarMesh *farmesh = NULL;
 873         if(g_settings.getBool("enable_farmesh"))
 874         {
 875                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 876         }
 877
 878         /*
 879                 Move into game
 880         */
 881
 882         //gui_loadingtext->remove();
 883
 884         /*
 885                 Add some gui stuff
 886         */
 887
 888         // First line of debug text
 889         gui::IGUIStaticText *guitext = guienv->addStaticText(
 890                         L"Minetest-c55",
 891                         core::rect<s32>(5, 5, 795, 5+text_height),
 892                         false, false);
 893         // Second line of debug text
 894         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
 895                         L"",
 896                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
 897                         false, false);
 898
 899         // At the middle of the screen
 900         // Object infos are shown in this
 901         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 902                         L"",
 903                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
 904                         false, false);
 905
 906         // Chat text
 907         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
 908                         L"",
 909                         core::rect<s32>(0,0,0,0),
 910                         //false, false); // Disable word wrap as of now
 911                         false, true);
 912         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
 913         core::list<ChatLine> chat_lines;
 914
 915         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 916                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
 917         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 918                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
 919
 920         // Test the text input system
 921         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
 922                         NULL))->drop();*/
 923         /*GUIMessageMenu *menu =
 924                         new GUIMessageMenu(guienv, guiroot, -1,
 925                                 &g_menumgr,
 926                                 L"Asd");
 927         menu->drop();*/
 928
 929         // Launch pause menu
 930         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
 931                         &g_menumgr))->drop();
 932
 933         // Enable texts
 934         /*guitext2->setVisible(true);
 935         guitext_info->setVisible(true);
 936         guitext_chat->setVisible(true);*/
 937
 938         //s32 guitext_chat_pad_bottom = 70;
 939
 940         /*
 941                 Some statistics are collected in these
 942         */
 943         u32 drawtime = 0;
 944         u32 beginscenetime = 0;
 945         u32 scenetime = 0;
 946         u32 endscenetime = 0;
 947
 948         // A test
 949         //throw con::PeerNotFoundException("lol");
 950
 951         core::list<float> frametime_log;
 952
 953         float damage_flash_timer = 0;
 954         s16 farmesh_range = 20*MAP_BLOCKSIZE;
 955
 956         bool invert_mouse = g_settings.getBool("invert_mouse");
 957
 958         /*
 959                 Main loop
 960         */
 961
 962         bool first_loop_after_window_activation = true;
 963
 964         // TODO: Convert the static interval timers to these
 965         // Interval limiter for profiler
 966         IntervalLimiter m_profiler_interval;
 967
 968         // Time is in milliseconds
 969         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
 970         // NOTE: So we have to use getTime() and call run()s between them
 971         u32 lasttime = device->getTimer()->getTime();
 972
 973         while(device->run() && kill == false)
 974         {
 975                 //std::cerr<<"frame"<<std::endl;
 976
 977                 if(g_gamecallback->disconnect_requested)
 978                 {
 979                         g_gamecallback->disconnect_requested = false;
 980                         break;
 981                 }
 982
 983                 if(g_gamecallback->changepassword_requested)
 984                 {
 985                         (new GUIPasswordChange(guienv, guiroot, -1,
 986                                 &g_menumgr, &client))->drop();
 987                         g_gamecallback->changepassword_requested = false;
 988                 }
 989
 990                 /*
 991                         Process TextureSource's queue
 992                 */
 993                 ((TextureSource*)g_texturesource)->processQueue();
 994
 995                 /*
 996                         Random calculations
 997                 */
 998                 last_screensize = screensize;
 999                 screensize = driver->getScreenSize();
1000                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1001                 //bool screensize_changed = screensize != last_screensize;
1002
1003                 // Resize hotbar
1004                 if(screensize.Y <= 600)
1005                         hotbar_imagesize = 32;
1006                 else if(screensize.Y <= 1024)
1007                         hotbar_imagesize = 48;
1008                 else
1009                         hotbar_imagesize = 64;
1010
1011                 // Hilight boxes collected during the loop and displayed
1012                 core::list< core::aabbox3d<f32> > hilightboxes;
1013
1014                 // Info text
1015                 std::wstring infotext;
1016
1017                 // When screen size changes, update positions and sizes of stuff
1018                 /*if(screensize_changed)
1019                 {
1020                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1021                         quick_inventory->updatePosition(pos);
1022                 }*/
1023
1024                 //TimeTaker //timer1("//timer1");
1025
1026                 // Time of frame without fps limit
1027                 float busytime;
1028                 u32 busytime_u32;
1029                 {
1030                         // not using getRealTime is necessary for wine
1031                         u32 time = device->getTimer()->getTime();
1032                         if(time > lasttime)
1033                                 busytime_u32 = time - lasttime;
1034                         else
1035                                 busytime_u32 = 0;
1036                         busytime = busytime_u32 / 1000.0;
1037                 }
1038
1039                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1040
1041                 // Necessary for device->getTimer()->getTime()
1042                 device->run();
1043
1044                 /*
1045                         Viewing range
1046                 */
1047
1048                 updateViewingRange(busytime, &client);
1049
1050                 /*
1051                         FPS limiter
1052                 */
1053
1054                 {
1055                         float fps_max = g_settings.getFloat("fps_max");
1056                         u32 frametime_min = 1000./fps_max;
1057
1058                         if(busytime_u32 < frametime_min)
1059                         {
1060                                 u32 sleeptime = frametime_min - busytime_u32;
1061                                 device->sleep(sleeptime);
1062                         }
1063                 }
1064
1065                 // Necessary for device->getTimer()->getTime()
1066                 device->run();
1067
1068                 /*
1069                         Time difference calculation
1070                 */
1071                 f32 dtime; // in seconds
1072
1073                 u32 time = device->getTimer()->getTime();
1074                 if(time > lasttime)
1075                         dtime = (time - lasttime) / 1000.0;
1076                 else
1077                         dtime = 0;
1078                 lasttime = time;
1079
1080                 /*
1081                         Log frametime for visualization
1082                 */
1083                 frametime_log.push_back(dtime);
1084                 if(frametime_log.size() > 100)
1085                 {
1086                         core::list<float>::Iterator i = frametime_log.begin();
1087                         frametime_log.erase(i);
1088                 }
1089
1090                 /*
1091                         Visualize frametime in terminal
1092                 */
1093                 /*for(u32 i=0; i<dtime*400; i++)
1094                         std::cout<<"X";
1095                 std::cout<<std::endl;*/
1096
1097                 /*
1098                         Time average and jitter calculation
1099                 */
1100
1101                 static f32 dtime_avg1 = 0.0;
1102                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1103                 f32 dtime_jitter1 = dtime - dtime_avg1;
1104
1105                 static f32 dtime_jitter1_max_sample = 0.0;
1106                 static f32 dtime_jitter1_max_fraction = 0.0;
1107                 {
1108                         static f32 jitter1_max = 0.0;
1109                         static f32 counter = 0.0;
1110                         if(dtime_jitter1 > jitter1_max)
1111                                 jitter1_max = dtime_jitter1;
1112                         counter += dtime;
1113                         if(counter > 0.0)
1114                         {
1115                                 counter -= 3.0;
1116                                 dtime_jitter1_max_sample = jitter1_max;
1117                                 dtime_jitter1_max_fraction
1118                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1119                                 jitter1_max = 0.0;
1120                         }
1121                 }
1122
1123                 /*
1124                         Busytime average and jitter calculation
1125                 */
1126
1127                 static f32 busytime_avg1 = 0.0;
1128                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1129                 f32 busytime_jitter1 = busytime - busytime_avg1;
1130
1131                 static f32 busytime_jitter1_max_sample = 0.0;
1132                 static f32 busytime_jitter1_min_sample = 0.0;
1133                 {
1134                         static f32 jitter1_max = 0.0;
1135                         static f32 jitter1_min = 0.0;
1136                         static f32 counter = 0.0;
1137                         if(busytime_jitter1 > jitter1_max)
1138                                 jitter1_max = busytime_jitter1;
1139                         if(busytime_jitter1 < jitter1_min)
1140                                 jitter1_min = busytime_jitter1;
1141                         counter += dtime;
1142                         if(counter > 0.0){
1143                                 counter -= 3.0;
1144                                 busytime_jitter1_max_sample = jitter1_max;
1145                                 busytime_jitter1_min_sample = jitter1_min;
1146                                 jitter1_max = 0.0;
1147                                 jitter1_min = 0.0;
1148                         }
1149                 }
1150
1151                 /*
1152                         Debug info for client
1153                 */
1154                 {
1155                         static float counter = 0.0;
1156                         counter -= dtime;
1157                         if(counter < 0)
1158                         {
1159                                 counter = 30.0;
1160                                 client.printDebugInfo(std::cout);
1161                         }
1162                 }
1163
1164                 /*
1165                         Profiler
1166                 */
1167                 float profiler_print_interval =
1168                                 g_settings.getFloat("profiler_print_interval");
1169                 if(profiler_print_interval != 0)
1170                 {
1171                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1172                         {
1173                                 dstream<<"Profiler:"<<std::endl;
1174                                 g_profiler.print(dstream);
1175                                 g_profiler.clear();
1176                         }
1177                 }
1178
1179                 /*
1180                         Direct handling of user input
1181                 */
1182
1183                 // Reset input if window not active or some menu is active
1184                 if(device->isWindowActive() == false || noMenuActive() == false)
1185                 {
1186                         input->clear();
1187                 }
1188
1189                 // Input handler step() (used by the random input generator)
1190                 input->step(dtime);
1191
1192                 /*
1193                         Launch menus according to keys
1194                 */
1195                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1196                 {
1197                         dstream<<DTIME<<"the_game: "
1198                                         <<"Launching inventory"<<std::endl;
1199
1200                         GUIInventoryMenu *menu =
1201                                 new GUIInventoryMenu(guienv, guiroot, -1,
1202                                         &g_menumgr, v2s16(8,7),
1203                                         client.getInventoryContext(),
1204                                         &client);
1205
1206                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1207                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1208                                         "list", "current_player", "main",
1209                                         v2s32(0, 3), v2s32(8, 4)));
1210                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1211                                         "list", "current_player", "craft",
1212                                         v2s32(3, 0), v2s32(3, 3)));
1213                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1214                                         "list", "current_player", "craftresult",
1215                                         v2s32(7, 1), v2s32(1, 1)));
1216
1217                         menu->setDrawSpec(draw_spec);
1218
1219                         menu->drop();
1220                 }
1221                 else if(input->wasKeyDown(KEY_ESCAPE))
1222                 {
1223                         dstream<<DTIME<<"the_game: "
1224                                         <<"Launching pause menu"<<std::endl;
1225                         // It will delete itself by itself
1226                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1227                                         &g_menumgr))->drop();
1228
1229                         // Move mouse cursor on top of the disconnect button
1230                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1231                 }
1232                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1233                 {
1234                         TextDest *dest = new TextDestChat(&client);
1235
1236                         (new GUITextInputMenu(guienv, guiroot, -1,
1237                                         &g_menumgr, dest,
1238                                         L""))->drop();
1239                 }
1240                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1241                 {
1242                         if(g_settings.getBool("free_move"))
1243                         {
1244                                 g_settings.set("free_move","false");
1245                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1246                         }
1247                         else
1248                         {
1249                                 g_settings.set("free_move","true");
1250                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1251                         }
1252                 }
1253                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1254                 {
1255                         if(g_settings.getBool("fast_move"))
1256                         {
1257                                 g_settings.set("fast_move","false");
1258                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1259                         }
1260                         else
1261                         {
1262                                 g_settings.set("fast_move","true");
1263                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1264                         }
1265                 }
1266                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1267                 {
1268                         if(g_settings.getBool("frametime_graph"))
1269                         {
1270                                 g_settings.set("frametime_graph","false");
1271                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1272                         }
1273                         else
1274                         {
1275                                 g_settings.set("frametime_graph","true");
1276                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1277                         }
1278                 }
1279                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1280                 {
1281                         irr::video::IImage* const image = driver->createScreenShot();
1282                         if (image) {
1283                                 irr::c8 filename[256];
1284                                 snprintf(filename, 256, "%s/screenshot_%u.png",
1285                                                  g_settings.get("screenshot_path").c_str(),
1286                                                  device->getTimer()->getRealTime());
1287                                 if (driver->writeImageToFile(image, filename)) {
1288                                         std::wstringstream sstr;
1289                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1290                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1291                                         chat_lines.push_back(ChatLine(sstr.str()));
1292                                 } else{
1293                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1294                                 }
1295                                 image->drop();
1296                         }
1297                 }
1298
1299                 // Item selection with mouse wheel
1300                 {
1301                         s32 wheel = input->getMouseWheel();
1302                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1303                                         hotbar_itemcount-1);
1304
1305                         if(wheel < 0)
1306                         {
1307                                 if(g_selected_item < max_item)
1308                                         g_selected_item++;
1309                                 else
1310                                         g_selected_item = 0;
1311                         }
1312                         else if(wheel > 0)
1313                         {
1314                                 if(g_selected_item > 0)
1315                                         g_selected_item--;
1316                                 else
1317                                         g_selected_item = max_item;
1318                         }
1319                 }
1320
1321                 // Item selection
1322                 for(u16 i=0; i<10; i++)
1323                 {
1324                         s32 keycode = irr::KEY_KEY_1 + i;
1325                         if(i == 9)
1326                                 keycode = irr::KEY_KEY_0;
1327                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1328                         {
1329                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1330                                 {
1331                                         g_selected_item = i;
1332
1333                                         dstream<<DTIME<<"Selected item: "
1334                                                         <<g_selected_item<<std::endl;
1335                                 }
1336                         }
1337                 }
1338
1339                 // Viewing range selection
1340                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1341                 {
1342                         if(draw_control.range_all)
1343                         {
1344                                 draw_control.range_all = false;
1345                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1346                         }
1347                         else
1348                         {
1349                                 draw_control.range_all = true;
1350                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1351                         }
1352                 }
1353
1354                 // Print debug stacks
1355                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1356                 {
1357                         dstream<<"-----------------------------------------"
1358                                         <<std::endl;
1359                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1360                         dstream<<"-----------------------------------------"
1361                                         <<std::endl;
1362                         debug_stacks_print();
1363                 }
1364
1365                 /*
1366                         Player speed control
1367                         TODO: Cache the keycodes from getKeySetting
1368                 */
1369
1370                 {
1371                         /*bool a_up,
1372                         bool a_down,
1373                         bool a_left,
1374                         bool a_right,
1375                         bool a_jump,
1376                         bool a_superspeed,
1377                         bool a_sneak,
1378                         float a_pitch,
1379                         float a_yaw*/
1380                         PlayerControl control(
1381                                 input->isKeyDown(getKeySetting("keymap_forward")),
1382                                 input->isKeyDown(getKeySetting("keymap_backward")),
1383                                 input->isKeyDown(getKeySetting("keymap_left")),
1384                                 input->isKeyDown(getKeySetting("keymap_right")),
1385                                 input->isKeyDown(getKeySetting("keymap_jump")),
1386                                 input->isKeyDown(getKeySetting("keymap_special1")),
1387                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1388                                 camera_pitch,
1389                                 camera_yaw
1390                         );
1391                         client.setPlayerControl(control);
1392                 }
1393
1394                 /*
1395                         Run server
1396                 */
1397
1398                 if(server != NULL)
1399                 {
1400                         //TimeTaker timer("server->step(dtime)");
1401                         server->step(dtime);
1402                 }
1403
1404                 /*
1405                         Process environment
1406                 */
1407
1408                 {
1409                         //TimeTaker timer("client.step(dtime)");
1410                         client.step(dtime);
1411                         //client.step(dtime_avg1);
1412                 }
1413
1414                 // Read client events
1415                 for(;;)
1416                 {
1417                         ClientEvent event = client.getClientEvent();
1418                         if(event.type == CE_NONE)
1419                         {
1420                                 break;
1421                         }
1422                         else if(event.type == CE_PLAYER_DAMAGE)
1423                         {
1424                                 //u16 damage = event.player_damage.amount;
1425                                 //dstream<<"Player damage: "<<damage<<std::endl;
1426                                 damage_flash_timer = 0.05;
1427                         }
1428                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1429                         {
1430                                 camera_yaw = event.player_force_move.yaw;
1431                                 camera_pitch = event.player_force_move.pitch;
1432                         }
1433                 }
1434
1435                 // Get player position
1436                 v3f player_position = client.getPlayerPosition();
1437
1438                 //TimeTaker //timer2("//timer2");
1439
1440                 /*
1441                         Mouse and camera control
1442                 */
1443
1444                 if((device->isWindowActive() && noMenuActive()) || random_input)
1445                 {
1446                         if(!random_input)
1447                         {
1448                                 // Mac OSX gets upset if this is set every frame
1449                                 if(device->getCursorControl()->isVisible())
1450                                         device->getCursorControl()->setVisible(false);
1451                         }
1452
1453                         if(first_loop_after_window_activation){
1454                                 //std::cout<<"window active, first loop"<<std::endl;
1455                                 first_loop_after_window_activation = false;
1456                         }
1457                         else{
1458                                 s32 dx = input->getMousePos().X - displaycenter.X;
1459                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1460                                 if(invert_mouse)
1461                                         dy = -dy;
1462                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1463
1464                                 /*const float keyspeed = 500;
1465                                 if(input->isKeyDown(irr::KEY_UP))
1466                                         dy -= dtime * keyspeed;
1467                                 if(input->isKeyDown(irr::KEY_DOWN))
1468                                         dy += dtime * keyspeed;
1469                                 if(input->isKeyDown(irr::KEY_LEFT))
1470                                         dx -= dtime * keyspeed;
1471                                 if(input->isKeyDown(irr::KEY_RIGHT))
1472                                         dx += dtime * keyspeed;*/
1473
1474                                 camera_yaw -= dx*0.2;
1475                                 camera_pitch += dy*0.2;
1476                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1477                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1478                         }
1479                         input->setMousePos(displaycenter.X, displaycenter.Y);
1480                 }
1481                 else{
1482                         // Mac OSX gets upset if this is set every frame
1483                         if(device->getCursorControl()->isVisible() == false)
1484                                 device->getCursorControl()->setVisible(true);
1485
1486                         //std::cout<<"window inactive"<<std::endl;
1487                         first_loop_after_window_activation = true;
1488                 }
1489
1490                 camera_yaw = wrapDegrees(camera_yaw);
1491                 camera_pitch = wrapDegrees(camera_pitch);
1492
1493                 v3f camera_direction = v3f(0,0,1);
1494                 camera_direction.rotateYZBy(camera_pitch);
1495                 camera_direction.rotateXZBy(camera_yaw);
1496
1497                 // This is at the height of the eyes of the current figure
1498                 //v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
1499                 // This is more like in minecraft
1500                 v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
1501
1502                 camera->setPosition(camera_position);
1503                 // *100.0 helps in large map coordinates
1504                 camera->setTarget(camera_position + camera_direction * 100.0);
1505
1506                 if(FIELD_OF_VIEW_TEST){
1507                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1508                 }
1509                 else{
1510                         //TimeTaker timer("client.updateCamera");
1511                         client.updateCamera(camera_position, camera_direction);
1512                 }
1513
1514                 //timer2.stop();
1515                 //TimeTaker //timer3("//timer3");
1516
1517                 /*
1518                         Calculate what block is the crosshair pointing to
1519                 */
1520
1521                 //u32 t1 = device->getTimer()->getRealTime();
1522
1523                 //f32 d = 4; // max. distance
1524                 f32 d = 4; // max. distance
1525                 core::line3d<f32> shootline(camera_position,
1526                                 camera_position + camera_direction * BS * (d+1));
1527
1528                 MapBlockObject *selected_object = client.getSelectedObject
1529                                 (d*BS, camera_position, shootline);
1530
1531                 ClientActiveObject *selected_active_object
1532                                 = client.getSelectedActiveObject
1533                                         (d*BS, camera_position, shootline);
1534
1535                 if(selected_object != NULL)
1536                 {
1537                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1538
1539                         core::aabbox3d<f32> box_on_map
1540                                         = selected_object->getSelectionBoxOnMap();
1541
1542                         hilightboxes.push_back(box_on_map);
1543
1544                         infotext = narrow_to_wide(selected_object->infoText());
1545
1546                         if(input->getLeftClicked())
1547                         {
1548                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1549                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1550                                                 selected_object->getId(), g_selected_item);
1551                         }
1552                         else if(input->getRightClicked())
1553                         {
1554                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1555                                 /*
1556                                         Check if we want to modify the object ourselves
1557                                 */
1558                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1559                                 {
1560                                         dstream<<"Sign object right-clicked"<<std::endl;
1561
1562                                         if(random_input == false)
1563                                         {
1564                                                 // Get a new text for it
1565
1566                                                 TextDest *dest = new TextDestSign(
1567                                                                 selected_object->getBlock()->getPos(),
1568                                                                 selected_object->getId(),
1569                                                                 &client);
1570
1571                                                 SignObject *sign_object = (SignObject*)selected_object;
1572
1573                                                 std::wstring wtext =
1574                                                                 narrow_to_wide(sign_object->getText());
1575
1576                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1577                                                                 &g_menumgr, dest,
1578                                                                 wtext))->drop();
1579                                         }
1580                                 }
1581                                 /*
1582                                         Otherwise pass the event to the server as-is
1583                                 */
1584                                 else
1585                                 {
1586                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1587                                                         selected_object->getId(), g_selected_item);
1588                                 }
1589                         }
1590                 }
1591                 else if(selected_active_object != NULL)
1592                 {
1593                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1594
1595                         core::aabbox3d<f32> *selection_box
1596                                         = selected_active_object->getSelectionBox();
1597                         // Box should exist because object was returned in the
1598                         // first place
1599                         assert(selection_box);
1600
1601                         v3f pos = selected_active_object->getPosition();
1602
1603                         core::aabbox3d<f32> box_on_map(
1604                                         selection_box->MinEdge + pos,
1605                                         selection_box->MaxEdge + pos
1606                         );
1607
1608                         hilightboxes.push_back(box_on_map);
1609
1610                         //infotext = narrow_to_wide("A ClientActiveObject");
1611                         infotext = narrow_to_wide(selected_active_object->infoText());
1612
1613                         if(input->getLeftClicked())
1614                         {
1615                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1616                                 client.clickActiveObject(0,
1617                                                 selected_active_object->getId(), g_selected_item);
1618                         }
1619                         else if(input->getRightClicked())
1620                         {
1621                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1622                         }
1623                 }
1624                 else // selected_object == NULL
1625                 {
1626
1627                 /*
1628                         Find out which node we are pointing at
1629                 */
1630
1631                 bool nodefound = false;
1632                 v3s16 nodepos;
1633                 v3s16 neighbourpos;
1634                 core::aabbox3d<f32> nodehilightbox;
1635
1636                 getPointedNode(&client, player_position,
1637                                 camera_direction, camera_position,
1638                                 nodefound, shootline,
1639                                 nodepos, neighbourpos,
1640                                 nodehilightbox, d);
1641
1642                 static float nodig_delay_counter = 0.0;
1643
1644                 if(nodefound)
1645                 {
1646                         static v3s16 nodepos_old(-32768,-32768,-32768);
1647
1648                         static float dig_time = 0.0;
1649                         static u16 dig_index = 0;
1650
1651                         /*
1652                                 Visualize selection
1653                         */
1654
1655                         hilightboxes.push_back(nodehilightbox);
1656
1657                         /*
1658                                 Check information text of node
1659                         */
1660
1661                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1662                         if(meta)
1663                         {
1664                                 infotext = narrow_to_wide(meta->infoText());
1665                         }
1666
1667                         //MapNode node = client.getNode(nodepos);
1668
1669                         /*
1670                                 Handle digging
1671                         */
1672
1673                         if(input->getLeftReleased())
1674                         {
1675                                 client.clearTempMod(nodepos);
1676                                 dig_time = 0.0;
1677                         }
1678
1679                         if(nodig_delay_counter > 0.0)
1680                         {
1681                                 nodig_delay_counter -= dtime;
1682                         }
1683                         else
1684                         {
1685                                 if(nodepos != nodepos_old)
1686                                 {
1687                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1688                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1689
1690                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1691                                         {
1692                                                 client.clearTempMod(nodepos_old);
1693                                                 dig_time = 0.0;
1694                                         }
1695                                 }
1696
1697                                 if(input->getLeftClicked() ||
1698                                                 (input->getLeftState() && nodepos != nodepos_old))
1699                                 {
1700                                         dstream<<DTIME<<"Started digging"<<std::endl;
1701                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1702                                 }
1703                                 if(input->getLeftClicked())
1704                                 {
1705                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1706                                 }
1707                                 if(input->getLeftState())
1708                                 {
1709                                         MapNode n = client.getNode(nodepos);
1710
1711                                         // Get tool name. Default is "" = bare hands
1712                                         std::string toolname = "";
1713                                         InventoryList *mlist = local_inventory.getList("main");
1714                                         if(mlist != NULL)
1715                                         {
1716                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1717                                                 if(item && (std::string)item->getName() == "ToolItem")
1718                                                 {
1719                                                         ToolItem *titem = (ToolItem*)item;
1720                                                         toolname = titem->getToolName();
1721                                                 }
1722                                         }
1723
1724                                         // Get digging properties for material and tool
1725                                         u8 material = n.d;
1726                                         DiggingProperties prop =
1727                                                         getDiggingProperties(material, toolname);
1728
1729                                         float dig_time_complete = 0.0;
1730
1731                                         if(prop.diggable == false)
1732                                         {
1733                                                 /*dstream<<"Material "<<(int)material
1734                                                                 <<" not diggable with \""
1735                                                                 <<toolname<<"\""<<std::endl;*/
1736                                                 // I guess nobody will wait for this long
1737                                                 dig_time_complete = 10000000.0;
1738                                         }
1739                                         else
1740                                         {
1741                                                 dig_time_complete = prop.time;
1742                                         }
1743
1744                                         if(dig_time_complete >= 0.001)
1745                                         {
1746                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1747                                                                 * dig_time/dig_time_complete);
1748                                         }
1749                                         // This is for torches
1750                                         else
1751                                         {
1752                                                 dig_index = CRACK_ANIMATION_LENGTH;
1753                                         }
1754
1755                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1756                                         {
1757                                                 //TimeTaker timer("client.setTempMod");
1758                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1759                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1760                                         }
1761                                         else
1762                                         {
1763                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1764                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1765                                                 client.clearTempMod(nodepos);
1766                                                 client.removeNode(nodepos);
1767
1768                                                 dig_time = 0;
1769
1770                                                 nodig_delay_counter = dig_time_complete
1771                                                                 / (float)CRACK_ANIMATION_LENGTH;
1772
1773                                                 // We don't want a corresponding delay to
1774                                                 // very time consuming nodes
1775                                                 if(nodig_delay_counter > 0.5)
1776                                                 {
1777                                                         nodig_delay_counter = 0.5;
1778                                                 }
1779                                                 // We want a slight delay to very little
1780                                                 // time consuming nodes
1781                                                 float mindelay = 0.15;
1782                                                 if(nodig_delay_counter < mindelay)
1783                                                 {
1784                                                         nodig_delay_counter = mindelay;
1785                                                 }
1786                                         }
1787
1788                                         dig_time += dtime;
1789                                 }
1790                         }
1791
1792                         if(input->getRightClicked())
1793                         {
1794                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1795
1796                                 // If metadata provides an inventory view, activate it
1797                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1798                                 {
1799                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1800                                         /*
1801                                                 Construct the unique identification string of the node
1802                                         */
1803                                         std::string current_name;
1804                                         current_name += "nodemeta:";
1805                                         current_name += itos(nodepos.X);
1806                                         current_name += ",";
1807                                         current_name += itos(nodepos.Y);
1808                                         current_name += ",";
1809                                         current_name += itos(nodepos.Z);
1810
1811                                         /*
1812                                                 Create menu
1813                                         */
1814
1815                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1816                                         v2s16 invsize =
1817                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1818                                                         draw_spec,
1819                                                         meta->getInventoryDrawSpecString(),
1820                                                         current_name);
1821
1822                                         GUIInventoryMenu *menu =
1823                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1824                                                         &g_menumgr, invsize,
1825                                                         client.getInventoryContext(),
1826                                                         &client);
1827                                         menu->setDrawSpec(draw_spec);
1828                                         menu->drop();
1829                                 }
1830                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1831                                 {
1832                                         dstream<<"Sign node right-clicked"<<std::endl;
1833
1834                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1835
1836                                         // Get a new text for it
1837
1838                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1839
1840                                         std::wstring wtext =
1841                                                         narrow_to_wide(signmeta->getText());
1842
1843                                         (new GUITextInputMenu(guienv, guiroot, -1,
1844                                                         &g_menumgr, dest,
1845                                                         wtext))->drop();
1846                                 }
1847                                 else
1848                                 {
1849                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1850                                 }
1851                         }
1852
1853                         nodepos_old = nodepos;
1854                 }
1855                 else{
1856                 }
1857
1858                 } // selected_object == NULL
1859
1860                 input->resetLeftClicked();
1861                 input->resetRightClicked();
1862
1863                 if(input->getLeftReleased())
1864                 {
1865                         std::cout<<DTIME<<"Left button released (stopped digging)"
1866                                         <<std::endl;
1867                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1868                 }
1869                 if(input->getRightReleased())
1870                 {
1871                         //std::cout<<DTIME<<"Right released"<<std::endl;
1872                         // Nothing here
1873                 }
1874
1875                 input->resetLeftReleased();
1876                 input->resetRightReleased();
1877
1878                 /*
1879                         Calculate stuff for drawing
1880                 */
1881
1882                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1883
1884                 u32 daynight_ratio = client.getDayNightRatio();
1885                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1886                 video::SColor bgcolor = video::SColor(
1887                                 255,
1888                                 bgcolor_bright.getRed() * l / 255,
1889                                 bgcolor_bright.getGreen() * l / 255,
1890                                 bgcolor_bright.getBlue() * l / 255);
1891                                 /*skycolor.getRed() * l / 255,
1892                                 skycolor.getGreen() * l / 255,
1893                                 skycolor.getBlue() * l / 255);*/
1894
1895                 float brightness = (float)l/255.0;
1896
1897                 /*
1898                         Update skybox
1899                 */
1900                 if(fabs(brightness - old_brightness) > 0.01)
1901                         update_skybox(driver, smgr, skybox, brightness);
1902
1903                 /*
1904                         Update coulds
1905                 */
1906                 if(clouds)
1907                 {
1908                         clouds->step(dtime);
1909                         clouds->update(v2f(player_position.X, player_position.Z),
1910                                         0.05+brightness*0.95);
1911                 }
1912
1913                 /*
1914                         Update farmesh
1915                 */
1916                 if(farmesh)
1917                 {
1918                         farmesh_range = draw_control.wanted_range * 10;
1919                         if(draw_control.range_all && farmesh_range < 500)
1920                                 farmesh_range = 500;
1921                         if(farmesh_range > 1000)
1922                                 farmesh_range = 1000;
1923
1924                         farmesh->step(dtime);
1925                         farmesh->update(v2f(player_position.X, player_position.Z),
1926                                         0.05+brightness*0.95, farmesh_range);
1927                 }
1928
1929                 // Store brightness value
1930                 old_brightness = brightness;
1931
1932                 /*
1933                         Fog
1934                 */
1935
1936                 if(g_settings.getBool("enable_fog") == true)
1937                 {
1938                         f32 range;
1939                         if(farmesh)
1940                         {
1941                                 range = BS*farmesh_range;
1942                         }
1943                         else
1944                         {
1945                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
1946                                 if(draw_control.range_all)
1947                                         range = 100000*BS;
1948                                 if(range < 50*BS)
1949                                         range = range * 0.5 + 25*BS;
1950                         }
1951
1952                         driver->setFog(
1953                                 bgcolor,
1954                                 video::EFT_FOG_LINEAR,
1955                                 range*0.4,
1956                                 range*1.0,
1957                                 0.01,
1958                                 false, // pixel fog
1959                                 false // range fog
1960                         );
1961                 }
1962                 else
1963                 {
1964                         driver->setFog(
1965                                 bgcolor,
1966                                 video::EFT_FOG_LINEAR,
1967                                 100000*BS,
1968                                 110000*BS,
1969                                 0.01,
1970                                 false, // pixel fog
1971                                 false // range fog
1972                         );
1973                 }
1974
1975
1976                 /*
1977                         Update gui stuff (0ms)
1978                 */
1979
1980                 //TimeTaker guiupdatetimer("Gui updating");
1981
1982                 {
1983                         static float drawtime_avg = 0;
1984                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
1985                         static float beginscenetime_avg = 0;
1986                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
1987                         static float scenetime_avg = 0;
1988                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
1989                         static float endscenetime_avg = 0;
1990                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
1991
1992                         char temptext[300];
1993                         snprintf(temptext, 300, "Minetest-c55 %s ("
1994                                         "R: range_all=%i"
1995                                         ")"
1996                                         " drawtime=%.0f, beginscenetime=%.0f"
1997                                         ", scenetime=%.0f, endscenetime=%.0f",
1998                                         VERSION_STRING,
1999                                         draw_control.range_all,
2000                                         drawtime_avg,
2001                                         beginscenetime_avg,
2002                                         scenetime_avg,
2003                                         endscenetime_avg
2004                                         );
2005
2006                         guitext->setText(narrow_to_wide(temptext).c_str());
2007                 }
2008
2009                 {
2010                         char temptext[300];
2011                         snprintf(temptext, 300,
2012                                         "(% .1f, % .1f, % .1f)"
2013                                         " (% .3f < btime_jitter < % .3f"
2014                                         ", dtime_jitter = % .1f %%"
2015                                         ", v_range = %.1f)",
2016                                         player_position.X/BS,
2017                                         player_position.Y/BS,
2018                                         player_position.Z/BS,
2019                                         busytime_jitter1_min_sample,
2020                                         busytime_jitter1_max_sample,
2021                                         dtime_jitter1_max_fraction * 100.0,
2022                                         draw_control.wanted_range
2023                                         );
2024
2025                         guitext2->setText(narrow_to_wide(temptext).c_str());
2026                 }
2027
2028                 {
2029                         guitext_info->setText(infotext.c_str());
2030                 }
2031
2032                 /*
2033                         Get chat messages from client
2034                 */
2035                 {
2036                         // Get new messages
2037                         std::wstring message;
2038                         while(client.getChatMessage(message))
2039                         {
2040                                 chat_lines.push_back(ChatLine(message));
2041                                 /*if(chat_lines.size() > 6)
2042                                 {
2043                                         core::list<ChatLine>::Iterator
2044                                                         i = chat_lines.begin();
2045                                         chat_lines.erase(i);
2046                                 }*/
2047                         }
2048                         // Append them to form the whole static text and throw
2049                         // it to the gui element
2050                         std::wstring whole;
2051                         // This will correspond to the line number counted from
2052                         // top to bottom, from size-1 to 0
2053                         s16 line_number = chat_lines.size();
2054                         // Count of messages to be removed from the top
2055                         u16 to_be_removed_count = 0;
2056                         for(core::list<ChatLine>::Iterator
2057                                         i = chat_lines.begin();
2058                                         i != chat_lines.end(); i++)
2059                         {
2060                                 // After this, line number is valid for this loop
2061                                 line_number--;
2062                                 // Increment age
2063                                 (*i).age += dtime;
2064                                 /*
2065                                         This results in a maximum age of 60*6 to the
2066                                         lowermost line and a maximum of 6 lines
2067                                 */
2068                                 float allowed_age = (6-line_number) * 60.0;
2069
2070                                 if((*i).age > allowed_age)
2071                                 {
2072                                         to_be_removed_count++;
2073                                         continue;
2074                                 }
2075                                 whole += (*i).text + L'\n';
2076                         }
2077                         for(u16 i=0; i<to_be_removed_count; i++)
2078                         {
2079                                 core::list<ChatLine>::Iterator
2080                                                 it = chat_lines.begin();
2081                                 chat_lines.erase(it);
2082                         }
2083                         guitext_chat->setText(whole.c_str());
2084
2085                         // Update gui element size and position
2086
2087                         /*core::rect<s32> rect(
2088                                         10,
2089                                         screensize.Y - guitext_chat_pad_bottom
2090                                                         - text_height*chat_lines.size(),
2091                                         screensize.X - 10,
2092                                         screensize.Y - guitext_chat_pad_bottom
2093                         );*/
2094                         core::rect<s32> rect(
2095                                         10,
2096                                         50,
2097                                         screensize.X - 10,
2098                                         50 + guitext_chat->getTextHeight()
2099                         );
2100
2101                         guitext_chat->setRelativePosition(rect);
2102
2103                         if(chat_lines.size() == 0)
2104                                 guitext_chat->setVisible(false);
2105                         else
2106                                 guitext_chat->setVisible(true);
2107                 }
2108
2109                 /*
2110                         Inventory
2111                 */
2112
2113                 static u16 old_selected_item = 65535;
2114                 if(client.getLocalInventoryUpdated()
2115                                 || g_selected_item != old_selected_item)
2116                 {
2117                         old_selected_item = g_selected_item;
2118                         //std::cout<<"Updating local inventory"<<std::endl;
2119                         client.getLocalInventory(local_inventory);
2120                 }
2121
2122                 /*
2123                         Send actions returned by the inventory menu
2124                 */
2125                 while(inventory_action_queue.size() != 0)
2126                 {
2127                         InventoryAction *a = inventory_action_queue.pop_front();
2128
2129                         client.sendInventoryAction(a);
2130                         // Eat it
2131                         delete a;
2132                 }
2133
2134                 /*
2135                         Drawing begins
2136                 */
2137
2138                 TimeTaker drawtimer("Drawing");
2139
2140
2141                 {
2142                         TimeTaker timer("beginScene");
2143                         driver->beginScene(true, true, bgcolor);
2144                         //driver->beginScene(false, true, bgcolor);
2145                         beginscenetime = timer.stop(true);
2146                 }
2147
2148                 //timer3.stop();
2149
2150                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2151
2152                 {
2153                         TimeTaker timer("smgr");
2154                         smgr->drawAll();
2155                         scenetime = timer.stop(true);
2156                 }
2157
2158                 {
2159                 //TimeTaker timer9("auxiliary drawings");
2160                 // 0ms
2161
2162                 //timer9.stop();
2163                 //TimeTaker //timer10("//timer10");
2164
2165                 video::SMaterial m;
2166                 //m.Thickness = 10;
2167                 m.Thickness = 3;
2168                 m.Lighting = false;
2169                 driver->setMaterial(m);
2170
2171                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2172
2173                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2174                                 i != hilightboxes.end(); i++)
2175                 {
2176                         /*std::cout<<"hilightbox min="
2177                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2178                                         <<" max="
2179                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2180                                         <<std::endl;*/
2181                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2182                 }
2183
2184                 /*
2185                         Frametime log
2186                 */
2187                 if(g_settings.getBool("frametime_graph") == true)
2188                 {
2189                         s32 x = 10;
2190                         for(core::list<float>::Iterator
2191                                         i = frametime_log.begin();
2192                                         i != frametime_log.end();
2193                                         i++)
2194                         {
2195                                 driver->draw2DLine(v2s32(x,50),
2196                                                 v2s32(x,50+(*i)*1000),
2197                                                 video::SColor(255,255,255,255));
2198                                 x++;
2199                         }
2200                 }
2201
2202                 /*
2203                         Draw crosshair
2204                 */
2205                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2206                                 displaycenter + core::vector2d<s32>(10,0),
2207                                 video::SColor(255,255,255,255));
2208                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2209                                 displaycenter + core::vector2d<s32>(0,10),
2210                                 video::SColor(255,255,255,255));
2211
2212                 } // timer
2213
2214                 //timer10.stop();
2215                 //TimeTaker //timer11("//timer11");
2216
2217                 /*
2218                         Draw gui
2219                 */
2220                 // 0-1ms
2221                 guienv->drawAll();
2222
2223                 /*
2224                         Draw hotbar
2225                 */
2226                 {
2227                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2228                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2229                                         client.getHP());
2230                 }
2231
2232                 /*
2233                         Damage flash
2234                 */
2235                 if(damage_flash_timer > 0.0)
2236                 {
2237                         damage_flash_timer -= dtime;
2238
2239                         video::SColor color(128,255,0,0);
2240                         driver->draw2DRectangle(color,
2241                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2242                                         NULL);
2243                 }
2244
2245                 /*
2246                         End scene
2247                 */
2248                 {
2249                         TimeTaker timer("endScene");
2250                         endSceneX(driver);
2251                         endscenetime = timer.stop(true);
2252                 }
2253
2254                 drawtime = drawtimer.stop(true);
2255
2256                 /*
2257                         End of drawing
2258                 */
2259
2260                 static s16 lastFPS = 0;
2261                 //u16 fps = driver->getFPS();
2262                 u16 fps = (1.0/dtime_avg1);
2263
2264                 if (lastFPS != fps)
2265                 {
2266                         core::stringw str = L"Minetest [";
2267                         str += driver->getName();
2268                         str += "] FPS=";
2269                         str += fps;
2270
2271                         device->setWindowCaption(str.c_str());
2272                         lastFPS = fps;
2273                 }
2274         }
2275
2276         /*
2277                 Drop stuff
2278         */
2279         if(clouds)
2280                 clouds->drop();
2281
2282         /*
2283                 Draw a "shutting down" screen, which will be shown while the map
2284                 generator and other stuff quits
2285         */
2286         {
2287                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2288                 draw_load_screen(L"Shutting down stuff...", driver, font);
2289                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2290                 guienv->drawAll();
2291                 driver->endScene();
2292                 gui_shuttingdowntext->remove();*/
2293         }
2294 }
2295
2296