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 "guiFurnaceMenu.h"
  29 #include "materials.h"
  30 #include "config.h"
  31 #include "clouds.h"
  32 #include "keycode.h"
  33
  34 /*
  35         Setting this to 1 enables a special camera mode that forces
  36         the renderers to think that the camera statically points from
  37         the starting place to a static direction.
  38
  39         This allows one to move around with the player and see what
  40         is actually drawn behind solid things and behind the player.
  41 */
  42 #define FIELD_OF_VIEW_TEST 0
  43
  44
  45 MapDrawControl draw_control;
  46
  47 // Chat data
  48 struct ChatLine
  49 {
  50         ChatLine():
  51                 age(0.0)
  52         {
  53         }
  54         ChatLine(const std::wstring &a_text):
  55                 age(0.0),
  56                 text(a_text)
  57         {
  58         }
  59         float age;
  60         std::wstring text;
  61 };
  62
  63 /*
  64         Inventory stuff
  65 */
  66
  67 // Inventory actions from the menu are buffered here before sending
  68 Queue<InventoryAction*> inventory_action_queue;
  69 // This is a copy of the inventory that the client's environment has
  70 Inventory local_inventory;
  71
  72 u16 g_selected_item = 0;
  73
  74 /*
  75         Text input system
  76 */
  77
  78 struct TextDestSign : public TextDest
  79 {
  80         TextDestSign(v3s16 blockpos, s16 id, Client *client)
  81         {
  82                 m_blockpos = blockpos;
  83                 m_id = id;
  84                 m_client = client;
  85         }
  86         void gotText(std::wstring text)
  87         {
  88                 std::string ntext = wide_to_narrow(text);
  89                 dstream<<"Changing text of a sign object: "
  90                                 <<ntext<<std::endl;
  91                 m_client->sendSignText(m_blockpos, m_id, ntext);
  92         }
  93
  94         v3s16 m_blockpos;
  95         s16 m_id;
  96         Client *m_client;
  97 };
  98
  99 struct TextDestChat : public TextDest
 100 {
 101         TextDestChat(Client *client)
 102         {
 103                 m_client = client;
 104         }
 105         void gotText(std::wstring text)
 106         {
 107                 // Discard empty line
 108                 if(text == L"")
 109                         return;
 110
 111                 // Parse command (server command starts with "/#")
 112                 if(text[0] == L'/' && text[1] != L'#')
 113                 {
 114                         std::wstring reply = L"Local: ";
 115
 116                         reply += L"Local commands not yet supported. "
 117                                         L"Server prefix is \"/#\".";
 118
 119                         m_client->addChatMessage(reply);
 120                         return;
 121                 }
 122
 123                 // Send to others
 124                 m_client->sendChatMessage(text);
 125                 // Show locally
 126                 m_client->addChatMessage(text);
 127         }
 128
 129         Client *m_client;
 130 };
 131
 132 struct TextDestSignNode : public TextDest
 133 {
 134         TextDestSignNode(v3s16 p, Client *client)
 135         {
 136                 m_p = p;
 137                 m_client = client;
 138         }
 139         void gotText(std::wstring text)
 140         {
 141                 std::string ntext = wide_to_narrow(text);
 142                 dstream<<"Changing text of a sign node: "
 143                                 <<ntext<<std::endl;
 144                 m_client->sendSignNodeText(m_p, ntext);
 145         }
 146
 147         v3s16 m_p;
 148         Client *m_client;
 149 };
 150
 151 /*
 152         Render distance feedback loop
 153 */
 154 void updateViewingRange(f32 frametime_in, Client *client)
 155 {
 156         if(draw_control.range_all == true)
 157                 return;
 158
 159         static f32 added_frametime = 0;
 160         static s16 added_frames = 0;
 161
 162         added_frametime += frametime_in;
 163         added_frames += 1;
 164
 165         // Actually this counter kind of sucks because frametime is busytime
 166         static f32 counter = 0;
 167         counter -= frametime_in;
 168         if(counter > 0)
 169                 return;
 170         //counter = 0.1;
 171         counter = 0.2;
 172
 173         /*dstream<<__FUNCTION_NAME
 174                         <<": Collected "<<added_frames<<" frames, total of "
 175                         <<added_frametime<<"s."<<std::endl;*/
 176
 177         /*dstream<<"draw_control.blocks_drawn="
 178                         <<draw_control.blocks_drawn
 179                         <<", draw_control.blocks_would_have_drawn="
 180                         <<draw_control.blocks_would_have_drawn
 181                         <<std::endl;*/
 182
 183         float range_min = g_settings.getS16("viewing_range_nodes_min");
 184         float range_max = g_settings.getS16("viewing_range_nodes_max");
 185
 186         // Limit minimum to keep the feedback loop stable
 187         if(range_min < 5)
 188                 range_min = 5;
 189
 190         draw_control.wanted_min_range = range_min;
 191         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
 192         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
 193         if(draw_control.wanted_max_blocks < 10)
 194                 draw_control.wanted_max_blocks = 10;
 195
 196         float block_draw_ratio = 1.0;
 197         if(draw_control.blocks_would_have_drawn != 0)
 198         {
 199                 block_draw_ratio = (float)draw_control.blocks_drawn
 200                         / (float)draw_control.blocks_would_have_drawn;
 201         }
 202
 203         // Calculate the average frametime in the case that all wanted
 204         // blocks had been drawn
 205         f32 frametime = added_frametime / added_frames / block_draw_ratio;
 206
 207         added_frametime = 0.0;
 208         added_frames = 0;
 209
 210         float wanted_fps = g_settings.getFloat("wanted_fps");
 211         float wanted_frametime = 1.0 / wanted_fps;
 212
 213         f32 wanted_frametime_change = wanted_frametime - frametime;
 214         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
 215
 216         // If needed frametime change is small, just return
 217         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
 218         {
 219                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
 220                 return;
 221         }
 222
 223         float range = draw_control.wanted_range;
 224         float new_range = range;
 225
 226         static s16 range_old = 0;
 227         static f32 frametime_old = 0;
 228
 229         float d_range = range - range_old;
 230         f32 d_frametime = frametime - frametime_old;
 231         // A sane default of 30ms per 50 nodes of range
 232         static f32 time_per_range = 30. / 50;
 233         if(d_range != 0)
 234         {
 235                 time_per_range = d_frametime / d_range;
 236         }
 237
 238         // The minimum allowed calculated frametime-range derivative:
 239         // Practically this sets the maximum speed of changing the range.
 240         // The lower this value, the higher the maximum changing speed.
 241         // A low value here results in wobbly range (0.001)
 242         // A high value here results in slow changing range (0.0025)
 243         // SUGG: This could be dynamically adjusted so that when
 244         //       the camera is turning, this is lower
 245         //float min_time_per_range = 0.0015;
 246         float min_time_per_range = 0.0010;
 247         //float min_time_per_range = 0.05 / range;
 248         if(time_per_range < min_time_per_range)
 249         {
 250                 time_per_range = min_time_per_range;
 251                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
 252         }
 253         else
 254         {
 255                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
 256         }
 257
 258         f32 wanted_range_change = wanted_frametime_change / time_per_range;
 259         // Dampen the change a bit to kill oscillations
 260         //wanted_range_change *= 0.9;
 261         //wanted_range_change *= 0.75;
 262         wanted_range_change *= 0.5;
 263         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
 264
 265         // If needed range change is very small, just return
 266         if(fabs(wanted_range_change) < 0.001)
 267         {
 268                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
 269                 return;
 270         }
 271
 272         new_range += wanted_range_change;
 273
 274         //float new_range_unclamped = new_range;
 275         if(new_range < range_min)
 276                 new_range = range_min;
 277         if(new_range > range_max)
 278                 new_range = range_max;
 279
 280         /*dstream<<"new_range="<<new_range_unclamped
 281                         <<", clamped to "<<new_range<<std::endl;*/
 282
 283         draw_control.wanted_range = new_range;
 284
 285         range_old = new_range;
 286         frametime_old = frametime;
 287 }
 288
 289 /*
 290         Hotbar draw routine
 291 */
 292 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 293                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 294                 Inventory *inventory, s32 halfheartcount)
 295 {
 296         InventoryList *mainlist = inventory->getList("main");
 297         if(mainlist == NULL)
 298         {
 299                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
 300                 return;
 301         }
 302
 303         s32 padding = imgsize/12;
 304         //s32 height = imgsize + padding*2;
 305         s32 width = itemcount*(imgsize+padding*2);
 306
 307         // Position of upper left corner of bar
 308         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 309
 310         // Draw background color
 311         /*core::rect<s32> barrect(0,0,width,height);
 312         barrect += pos;
 313         video::SColor bgcolor(255,128,128,128);
 314         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 315
 316         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 317
 318         for(s32 i=0; i<itemcount; i++)
 319         {
 320                 InventoryItem *item = mainlist->getItem(i);
 321
 322                 core::rect<s32> rect = imgrect + pos
 323                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 324
 325                 if(g_selected_item == i)
 326                 {
 327                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 328                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
 329                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
 330                                         NULL);
 331                 }
 332                 else
 333                 {
 334                         video::SColor bgcolor2(128,0,0,0);
 335                         driver->draw2DRectangle(bgcolor2, rect, NULL);
 336                 }
 337
 338                 if(item != NULL)
 339                 {
 340                         drawInventoryItem(driver, font, item, rect, NULL);
 341                 }
 342         }
 343
 344         /*
 345                 Draw hearts
 346         */
 347         {
 348                 video::ITexture *heart_texture =
 349                                 driver->getTexture(getTexturePath("heart.png").c_str());
 350                 v2s32 p = pos + v2s32(0, -20);
 351                 for(s32 i=0; i<halfheartcount/2; i++)
 352                 {
 353                         const video::SColor color(255,255,255,255);
 354                         const video::SColor colors[] = {color,color,color,color};
 355                         core::rect<s32> rect(0,0,16,16);
 356                         rect += p;
 357                         driver->draw2DImage(heart_texture, rect,
 358                                 core::rect<s32>(core::position2d<s32>(0,0),
 359                                 core::dimension2di(heart_texture->getOriginalSize())),
 360                                 NULL, colors, true);
 361                         p += v2s32(20,0);
 362                 }
 363                 if(halfheartcount % 2 == 1)
 364                 {
 365                         const video::SColor color(255,255,255,255);
 366                         const video::SColor colors[] = {color,color,color,color};
 367                         core::rect<s32> rect(0,0,16/2,16);
 368                         rect += p;
 369                         core::dimension2di srcd(heart_texture->getOriginalSize());
 370                         srcd.Width /= 2;
 371                         driver->draw2DImage(heart_texture, rect,
 372                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 373                                 NULL, colors, true);
 374                         p += v2s32(20,0);
 375                 }
 376         }
 377 }
 378
 379 /*
 380         Find what the player is pointing at
 381 */
 382 void getPointedNode(Client *client, v3f player_position,
 383                 v3f camera_direction, v3f camera_position,
 384                 bool &nodefound, core::line3d<f32> shootline,
 385                 v3s16 &nodepos, v3s16 &neighbourpos,
 386                 core::aabbox3d<f32> &nodehilightbox,
 387                 f32 d)
 388 {
 389         f32 mindistance = BS * 1001;
 390
 391         v3s16 pos_i = floatToInt(player_position, BS);
 392
 393         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 394                         <<std::endl;*/
 395
 396         s16 a = d;
 397         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 398         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 399         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 400         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 401         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 402         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 403
 404         for(s16 y = ystart; y <= yend; y++)
 405         for(s16 z = zstart; z <= zend; z++)
 406         for(s16 x = xstart; x <= xend; x++)
 407         {
 408                 MapNode n;
 409                 try
 410                 {
 411                         n = client->getNode(v3s16(x,y,z));
 412                         if(content_pointable(n.d) == false)
 413                                 continue;
 414                 }
 415                 catch(InvalidPositionException &e)
 416                 {
 417                         continue;
 418                 }
 419
 420                 v3s16 np(x,y,z);
 421                 v3f npf = intToFloat(np, BS);
 422
 423                 f32 d = 0.01;
 424
 425                 v3s16 dirs[6] = {
 426                         v3s16(0,0,1), // back
 427                         v3s16(0,1,0), // top
 428                         v3s16(1,0,0), // right
 429                         v3s16(0,0,-1), // front
 430                         v3s16(0,-1,0), // bottom
 431                         v3s16(-1,0,0), // left
 432                 };
 433
 434                 /*
 435                         Meta-objects
 436                 */
 437                 if(n.d == CONTENT_TORCH)
 438                 {
 439                         v3s16 dir = unpackDir(n.dir);
 440                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 441                         dir_f *= BS/2 - BS/6 - BS/20;
 442                         v3f cpf = npf + dir_f;
 443                         f32 distance = (cpf - camera_position).getLength();
 444
 445                         core::aabbox3d<f32> box;
 446
 447                         // bottom
 448                         if(dir == v3s16(0,-1,0))
 449                         {
 450                                 box = core::aabbox3d<f32>(
 451                                         npf - v3f(BS/6, BS/2, BS/6),
 452                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
 453                                 );
 454                         }
 455                         // top
 456                         else if(dir == v3s16(0,1,0))
 457                         {
 458                                 box = core::aabbox3d<f32>(
 459                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
 460                                         npf + v3f(BS/6, BS/2, BS/6)
 461                                 );
 462                         }
 463                         // side
 464                         else
 465                         {
 466                                 box = core::aabbox3d<f32>(
 467                                         cpf - v3f(BS/6, BS/3, BS/6),
 468                                         cpf + v3f(BS/6, BS/3, BS/6)
 469                                 );
 470                         }
 471
 472                         if(distance < mindistance)
 473                         {
 474                                 if(box.intersectsWithLine(shootline))
 475                                 {
 476                                         nodefound = true;
 477                                         nodepos = np;
 478                                         neighbourpos = np;
 479                                         mindistance = distance;
 480                                         nodehilightbox = box;
 481                                 }
 482                         }
 483                 }
 484                 else if(n.d == CONTENT_SIGN_WALL)
 485                 {
 486                         v3s16 dir = unpackDir(n.dir);
 487                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 488                         dir_f *= BS/2 - BS/6 - BS/20;
 489                         v3f cpf = npf + dir_f;
 490                         f32 distance = (cpf - camera_position).getLength();
 491
 492                         v3f vertices[4] =
 493                         {
 494                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 495                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 496                         };
 497
 498                         for(s32 i=0; i<2; i++)
 499                         {
 500                                 if(dir == v3s16(1,0,0))
 501                                         vertices[i].rotateXZBy(0);
 502                                 if(dir == v3s16(-1,0,0))
 503                                         vertices[i].rotateXZBy(180);
 504                                 if(dir == v3s16(0,0,1))
 505                                         vertices[i].rotateXZBy(90);
 506                                 if(dir == v3s16(0,0,-1))
 507                                         vertices[i].rotateXZBy(-90);
 508                                 if(dir == v3s16(0,-1,0))
 509                                         vertices[i].rotateXYBy(-90);
 510                                 if(dir == v3s16(0,1,0))
 511                                         vertices[i].rotateXYBy(90);
 512
 513                                 vertices[i] += npf;
 514                         }
 515
 516                         core::aabbox3d<f32> box;
 517
 518                         box = core::aabbox3d<f32>(vertices[0]);
 519                         box.addInternalPoint(vertices[1]);
 520
 521                         if(distance < mindistance)
 522                         {
 523                                 if(box.intersectsWithLine(shootline))
 524                                 {
 525                                         nodefound = true;
 526                                         nodepos = np;
 527                                         neighbourpos = np;
 528                                         mindistance = distance;
 529                                         nodehilightbox = box;
 530                                 }
 531                         }
 532                 }
 533                 else if(n.d == CONTENT_RAIL)
 534                 {
 535                         v3s16 dir = unpackDir(n.dir);
 536                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 537                         dir_f *= BS/2 - BS/6 - BS/20;
 538                         v3f cpf = npf + dir_f;
 539                         f32 distance = (cpf - camera_position).getLength();
 540
 541                         float d = (float)BS/16;
 542                         v3f vertices[4] =
 543                         {
 544                                 v3f(BS/2, -BS/2+d, -BS/2),
 545                                 v3f(-BS/2, -BS/2, BS/2),
 546                         };
 547
 548                         for(s32 i=0; i<2; i++)
 549                         {
 550                                 vertices[i] += npf;
 551                         }
 552
 553                         core::aabbox3d<f32> box;
 554
 555                         box = core::aabbox3d<f32>(vertices[0]);
 556                         box.addInternalPoint(vertices[1]);
 557
 558                         if(distance < mindistance)
 559                         {
 560                                 if(box.intersectsWithLine(shootline))
 561                                 {
 562                                         nodefound = true;
 563                                         nodepos = np;
 564                                         neighbourpos = np;
 565                                         mindistance = distance;
 566                                         nodehilightbox = box;
 567                                 }
 568                         }
 569                 }
 570                 /*
 571                         Regular blocks
 572                 */
 573                 else
 574                 {
 575                         for(u16 i=0; i<6; i++)
 576                         {
 577                                 v3f dir_f = v3f(dirs[i].X,
 578                                                 dirs[i].Y, dirs[i].Z);
 579                                 v3f centerpoint = npf + dir_f * BS/2;
 580                                 f32 distance =
 581                                                 (centerpoint - camera_position).getLength();
 582
 583                                 if(distance < mindistance)
 584                                 {
 585                                         core::CMatrix4<f32> m;
 586                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 587
 588                                         // This is the back face
 589                                         v3f corners[2] = {
 590                                                 v3f(BS/2, BS/2, BS/2),
 591                                                 v3f(-BS/2, -BS/2, BS/2+d)
 592                                         };
 593
 594                                         for(u16 j=0; j<2; j++)
 595                                         {
 596                                                 m.rotateVect(corners[j]);
 597                                                 corners[j] += npf;
 598                                         }
 599
 600                                         core::aabbox3d<f32> facebox(corners[0]);
 601                                         facebox.addInternalPoint(corners[1]);
 602
 603                                         if(facebox.intersectsWithLine(shootline))
 604                                         {
 605                                                 nodefound = true;
 606                                                 nodepos = np;
 607                                                 neighbourpos = np + dirs[i];
 608                                                 mindistance = distance;
 609
 610                                                 //nodehilightbox = facebox;
 611
 612                                                 const float d = 0.502;
 613                                                 core::aabbox3d<f32> nodebox
 614                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 615                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 616                                                 nodebox.MinEdge += nodepos_f;
 617                                                 nodebox.MaxEdge += nodepos_f;
 618                                                 nodehilightbox = nodebox;
 619                                         }
 620                                 } // if distance < mindistance
 621                         } // for dirs
 622                 } // regular block
 623         } // for coords
 624 }
 625
 626 void update_skybox(video::IVideoDriver* driver,
 627                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 628                 float brightness)
 629 {
 630         if(skybox)
 631         {
 632                 skybox->remove();
 633         }
 634
 635         if(brightness >= 0.5)
 636         {
 637                 skybox = smgr->addSkyBoxSceneNode(
 638                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 639                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 640                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 641                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 642                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 643                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 644         }
 645         else if(brightness >= 0.2)
 646         {
 647                 skybox = smgr->addSkyBoxSceneNode(
 648                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 649                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 650                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 651                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 652                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 653                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 654         }
 655         else
 656         {
 657                 skybox = smgr->addSkyBoxSceneNode(
 658                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 659                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 660                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 661                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 662                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 663                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 664         }
 665 }
 666
 667 void the_game(
 668         bool &kill,
 669         bool random_input,
 670         InputHandler *input,
 671         IrrlichtDevice *device,
 672         gui::IGUIFont* font,
 673         std::string map_dir,
 674         std::string playername,
 675         std::string password,
 676         std::string address,
 677         u16 port,
 678         std::wstring &error_message
 679 )
 680 {
 681         video::IVideoDriver* driver = device->getVideoDriver();
 682         scene::ISceneManager* smgr = device->getSceneManager();
 683
 684         v2u32 screensize(0,0);
 685         v2u32 last_screensize(0,0);
 686         screensize = driver->getScreenSize();
 687
 688         const s32 hotbar_itemcount = 8;
 689         const s32 hotbar_imagesize = 36;
 690
 691         // The color of the sky
 692
 693         //video::SColor skycolor = video::SColor(255,140,186,250);
 694
 695         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 696
 697         /*
 698                 Draw "Loading" screen
 699         */
 700         const wchar_t *loadingtext = L"Loading and connecting...";
 701         u32 text_height = font->getDimension(loadingtext).Height;
 702         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 703         core::vector2d<s32> textsize(300, text_height);
 704         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 705
 706         gui::IGUIStaticText *gui_loadingtext = guienv->addStaticText(
 707                         loadingtext, textrect, false, false);
 708         gui_loadingtext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 709
 710         driver->beginScene(true, true, video::SColor(255,0,0,0));
 711         guienv->drawAll();
 712         driver->endScene();
 713
 714
 715         /*
 716                 Create server.
 717                 SharedPtr will delete it when it goes out of scope.
 718         */
 719         SharedPtr<Server> server;
 720         if(address == ""){
 721                 std::cout<<DTIME<<"Creating server"<<std::endl;
 722                 server = new Server(map_dir);
 723                 server->start(port);
 724         }
 725
 726         /*
 727                 Create client
 728         */
 729
 730         std::cout<<DTIME<<"Creating client"<<std::endl;
 731         Client client(device, playername.c_str(), password, draw_control);
 732
 733         Address connect_address(0,0,0,0, port);
 734         try{
 735                 if(address == "")
 736                         //connect_address.Resolve("localhost");
 737                         connect_address.setAddress(127,0,0,1);
 738                 else
 739                         connect_address.Resolve(address.c_str());
 740         }
 741         catch(ResolveError &e)
 742         {
 743                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 744                 //return 0;
 745                 error_message = L"Couldn't resolve address";
 746                 gui_loadingtext->remove();
 747                 return;
 748         }
 749
 750         /*
 751                 Attempt to connect to the server
 752         */
 753
 754         dstream<<DTIME<<"Connecting to server at ";
 755         connect_address.print(&dstream);
 756         dstream<<std::endl;
 757         client.connect(connect_address);
 758
 759         bool could_connect = false;
 760
 761         try{
 762                 float time_counter = 0.0;
 763                 for(;;)
 764                 {
 765                         if(client.connectedAndInitialized())
 766                         {
 767                                 could_connect = true;
 768                                 break;
 769                         }
 770                         if(client.accessDenied())
 771                         {
 772                                 break;
 773                         }
 774                         // Wait for 10 seconds
 775                         if(time_counter >= 10.0)
 776                         {
 777                                 break;
 778                         }
 779
 780                         // Update screen
 781                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 782                         guienv->drawAll();
 783                         driver->endScene();
 784
 785                         // Update client and server
 786
 787                         client.step(0.1);
 788
 789                         if(server != NULL)
 790                                 server->step(0.1);
 791
 792                         // Delay a bit
 793                         sleep_ms(100);
 794                         time_counter += 0.1;
 795                 }
 796         }
 797         catch(con::PeerNotFoundException &e)
 798         {}
 799
 800         if(could_connect == false)
 801         {
 802                 if(client.accessDenied())
 803                 {
 804                         error_message = L"Access denied. Check your password and try again.";
 805                         std::cout<<DTIME<<"Access denied."<<std::endl;
 806                 }
 807                 else
 808                 {
 809                         error_message = L"Connection timed out.";
 810                         std::cout<<DTIME<<"Timed out."<<std::endl;
 811                 }
 812                 gui_loadingtext->remove();
 813                 return;
 814         }
 815
 816         /*
 817                 Create skybox
 818         */
 819         float old_brightness = 1.0;
 820         scene::ISceneNode* skybox = NULL;
 821         update_skybox(driver, smgr, skybox, 1.0);
 822
 823         /*
 824                 Create the camera node
 825         */
 826
 827         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 828                 0, // Camera parent
 829                 v3f(BS*100, BS*2, BS*100), // Look from
 830                 v3f(BS*100+1, BS*2, BS*100), // Look to
 831                 -1 // Camera ID
 832         );
 833
 834         if(camera == NULL)
 835         {
 836                 error_message = L"Failed to create the camera node";
 837                 return;
 838         }
 839
 840         camera->setFOV(FOV_ANGLE);
 841
 842         // Just so big a value that everything rendered is visible
 843         camera->setFarValue(100000*BS);
 844
 845         f32 camera_yaw = 0; // "right/left"
 846         f32 camera_pitch = 0; // "up/down"
 847
 848         /*
 849                 Clouds
 850         */
 851
 852         float cloud_height = BS*100;
 853         Clouds *clouds = NULL;
 854         clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 855                         cloud_height, time(0));
 856
 857         /*
 858                 Move into game
 859         */
 860
 861         gui_loadingtext->remove();
 862
 863         /*
 864                 Add some gui stuff
 865         */
 866
 867         // First line of debug text
 868         gui::IGUIStaticText *guitext = guienv->addStaticText(
 869                         L"Minetest-c55",
 870                         core::rect<s32>(5, 5, 795, 5+text_height),
 871                         false, false);
 872         // Second line of debug text
 873         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
 874                         L"",
 875                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
 876                         false, false);
 877
 878         // At the middle of the screen
 879         // Object infos are shown in this
 880         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 881                         L"",
 882                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
 883                         false, false);
 884
 885         // Chat text
 886         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
 887                         L"",
 888                         core::rect<s32>(0,0,0,0),
 889                         false, false); // Disable word wrap as of now
 890                         //false, true);
 891         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
 892         core::list<ChatLine> chat_lines;
 893
 894         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 895                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
 896         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 897                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
 898
 899         // Test the text input system
 900         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
 901                         NULL))->drop();*/
 902         /*GUIMessageMenu *menu =
 903                         new GUIMessageMenu(guienv, guiroot, -1,
 904                                 &g_menumgr,
 905                                 L"Asd");
 906         menu->drop();*/
 907
 908         // Launch pause menu
 909         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
 910                         &g_menumgr))->drop();
 911
 912         // Enable texts
 913         /*guitext2->setVisible(true);
 914         guitext_info->setVisible(true);
 915         guitext_chat->setVisible(true);*/
 916
 917         //s32 guitext_chat_pad_bottom = 70;
 918
 919         /*
 920                 Some statistics are collected in these
 921         */
 922         u32 drawtime = 0;
 923         u32 beginscenetime = 0;
 924         u32 scenetime = 0;
 925         u32 endscenetime = 0;
 926
 927         // A test
 928         //throw con::PeerNotFoundException("lol");
 929
 930         core::list<float> frametime_log;
 931
 932         float damage_flash_timer = 0;
 933
 934         /*
 935                 Main loop
 936         */
 937
 938         bool first_loop_after_window_activation = true;
 939
 940         // Time is in milliseconds
 941         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
 942         // NOTE: So we have to use getTime() and call run()s between them
 943         u32 lasttime = device->getTimer()->getTime();
 944
 945         while(device->run() && kill == false)
 946         {
 947                 if(g_gamecallback->disconnect_requested)
 948                 {
 949                         g_gamecallback->disconnect_requested = false;
 950                         break;
 951                 }
 952
 953                 if(g_gamecallback->changepassword_requested)
 954                 {
 955                         (new GUIPasswordChange(guienv, guiroot, -1,
 956                                 &g_menumgr, &client))->drop();
 957                         g_gamecallback->changepassword_requested = false;
 958                 }
 959
 960                 /*
 961                         Process TextureSource's queue
 962                 */
 963                 ((TextureSource*)g_texturesource)->processQueue();
 964
 965                 /*
 966                         Random calculations
 967                 */
 968                 last_screensize = screensize;
 969                 screensize = driver->getScreenSize();
 970                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
 971                 //bool screensize_changed = screensize != last_screensize;
 972
 973                 // Hilight boxes collected during the loop and displayed
 974                 core::list< core::aabbox3d<f32> > hilightboxes;
 975
 976                 // Info text
 977                 std::wstring infotext;
 978
 979                 // When screen size changes, update positions and sizes of stuff
 980                 /*if(screensize_changed)
 981                 {
 982                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
 983                         quick_inventory->updatePosition(pos);
 984                 }*/
 985
 986                 //TimeTaker //timer1("//timer1");
 987
 988                 // Time of frame without fps limit
 989                 float busytime;
 990                 u32 busytime_u32;
 991                 {
 992                         // not using getRealTime is necessary for wine
 993                         u32 time = device->getTimer()->getTime();
 994                         if(time > lasttime)
 995                                 busytime_u32 = time - lasttime;
 996                         else
 997                                 busytime_u32 = 0;
 998                         busytime = busytime_u32 / 1000.0;
 999                 }
1000
1001                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1002
1003                 // Necessary for device->getTimer()->getTime()
1004                 device->run();
1005
1006                 /*
1007                         Viewing range
1008                 */
1009
1010                 updateViewingRange(busytime, &client);
1011
1012                 /*
1013                         FPS limiter
1014                 */
1015
1016                 {
1017                         float fps_max = g_settings.getFloat("fps_max");
1018                         u32 frametime_min = 1000./fps_max;
1019
1020                         if(busytime_u32 < frametime_min)
1021                         {
1022                                 u32 sleeptime = frametime_min - busytime_u32;
1023                                 device->sleep(sleeptime);
1024                         }
1025                 }
1026
1027                 // Necessary for device->getTimer()->getTime()
1028                 device->run();
1029
1030                 /*
1031                         Time difference calculation
1032                 */
1033                 f32 dtime; // in seconds
1034
1035                 u32 time = device->getTimer()->getTime();
1036                 if(time > lasttime)
1037                         dtime = (time - lasttime) / 1000.0;
1038                 else
1039                         dtime = 0;
1040                 lasttime = time;
1041
1042                 /*
1043                         Log frametime for visualization
1044                 */
1045                 frametime_log.push_back(dtime);
1046                 if(frametime_log.size() > 100)
1047                 {
1048                         core::list<float>::Iterator i = frametime_log.begin();
1049                         frametime_log.erase(i);
1050                 }
1051
1052                 /*
1053                         Visualize frametime in terminal
1054                 */
1055                 /*for(u32 i=0; i<dtime*400; i++)
1056                         std::cout<<"X";
1057                 std::cout<<std::endl;*/
1058
1059                 /*
1060                         Time average and jitter calculation
1061                 */
1062
1063                 static f32 dtime_avg1 = 0.0;
1064                 dtime_avg1 = dtime_avg1 * 0.98 + dtime * 0.02;
1065                 f32 dtime_jitter1 = dtime - dtime_avg1;
1066
1067                 static f32 dtime_jitter1_max_sample = 0.0;
1068                 static f32 dtime_jitter1_max_fraction = 0.0;
1069                 {
1070                         static f32 jitter1_max = 0.0;
1071                         static f32 counter = 0.0;
1072                         if(dtime_jitter1 > jitter1_max)
1073                                 jitter1_max = dtime_jitter1;
1074                         counter += dtime;
1075                         if(counter > 0.0)
1076                         {
1077                                 counter -= 3.0;
1078                                 dtime_jitter1_max_sample = jitter1_max;
1079                                 dtime_jitter1_max_fraction
1080                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1081                                 jitter1_max = 0.0;
1082                         }
1083                 }
1084
1085                 /*
1086                         Busytime average and jitter calculation
1087                 */
1088
1089                 static f32 busytime_avg1 = 0.0;
1090                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1091                 f32 busytime_jitter1 = busytime - busytime_avg1;
1092
1093                 static f32 busytime_jitter1_max_sample = 0.0;
1094                 static f32 busytime_jitter1_min_sample = 0.0;
1095                 {
1096                         static f32 jitter1_max = 0.0;
1097                         static f32 jitter1_min = 0.0;
1098                         static f32 counter = 0.0;
1099                         if(busytime_jitter1 > jitter1_max)
1100                                 jitter1_max = busytime_jitter1;
1101                         if(busytime_jitter1 < jitter1_min)
1102                                 jitter1_min = busytime_jitter1;
1103                         counter += dtime;
1104                         if(counter > 0.0){
1105                                 counter -= 3.0;
1106                                 busytime_jitter1_max_sample = jitter1_max;
1107                                 busytime_jitter1_min_sample = jitter1_min;
1108                                 jitter1_max = 0.0;
1109                                 jitter1_min = 0.0;
1110                         }
1111                 }
1112
1113                 /*
1114                         Debug info for client
1115                 */
1116                 {
1117                         static float counter = 0.0;
1118                         counter -= dtime;
1119                         if(counter < 0)
1120                         {
1121                                 counter = 30.0;
1122                                 client.printDebugInfo(std::cout);
1123                         }
1124                 }
1125
1126                 /*
1127                         Direct handling of user input
1128                 */
1129
1130                 // Reset input if window not active or some menu is active
1131                 if(device->isWindowActive() == false || noMenuActive() == false)
1132                 {
1133                         input->clear();
1134                 }
1135
1136                 // Input handler step() (used by the random input generator)
1137                 input->step(dtime);
1138
1139                 /*
1140                         Launch menus according to keys
1141                 */
1142                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1143                 {
1144                         dstream<<DTIME<<"the_game: "
1145                                         <<"Launching inventory"<<std::endl;
1146
1147                         GUIInventoryMenu *menu =
1148                                 new GUIInventoryMenu(guienv, guiroot, -1,
1149                                         &g_menumgr, v2s16(8,7),
1150                                         client.getInventoryContext(),
1151                                         &client);
1152
1153                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1154                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1155                                         "list", "current_player", "main",
1156                                         v2s32(0, 3), v2s32(8, 4)));
1157                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1158                                         "list", "current_player", "craft",
1159                                         v2s32(3, 0), v2s32(3, 3)));
1160                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1161                                         "list", "current_player", "craftresult",
1162                                         v2s32(7, 1), v2s32(1, 1)));
1163
1164                         menu->setDrawSpec(draw_spec);
1165
1166                         menu->drop();
1167                 }
1168                 else if(input->wasKeyDown(KEY_ESCAPE))
1169                 {
1170                         dstream<<DTIME<<"the_game: "
1171                                         <<"Launching pause menu"<<std::endl;
1172                         // It will delete itself by itself
1173                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1174                                         &g_menumgr))->drop();
1175
1176                         // Move mouse cursor on top of the disconnect button
1177                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1178                 }
1179                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1180                 {
1181                         TextDest *dest = new TextDestChat(&client);
1182
1183                         (new GUITextInputMenu(guienv, guiroot, -1,
1184                                         &g_menumgr, dest,
1185                                         L""))->drop();
1186                 }
1187                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1188                 {
1189                         if(g_settings.getBool("free_move"))
1190                         {
1191                                 g_settings.set("free_move","false");
1192                         }
1193                         else
1194                         {
1195                                 g_settings.set("free_move","true");
1196                         }
1197                 }
1198                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1199                 {
1200                         if(g_settings.getBool("fast_move"))
1201                         {
1202                                 g_settings.set("fast_move","false");
1203                         }
1204                         else
1205                         {
1206                                 g_settings.set("fast_move","true");
1207                         }
1208                 }
1209
1210                 // Item selection with mouse wheel
1211                 {
1212                         s32 wheel = input->getMouseWheel();
1213                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1214                                         hotbar_itemcount-1);
1215
1216                         if(wheel < 0)
1217                         {
1218                                 if(g_selected_item < max_item)
1219                                         g_selected_item++;
1220                                 else
1221                                         g_selected_item = 0;
1222                         }
1223                         else if(wheel > 0)
1224                         {
1225                                 if(g_selected_item > 0)
1226                                         g_selected_item--;
1227                                 else
1228                                         g_selected_item = max_item;
1229                         }
1230                 }
1231
1232                 // Item selection
1233                 for(u16 i=0; i<10; i++)
1234                 {
1235                         s32 keycode = irr::KEY_KEY_1 + i;
1236                         if(i == 9)
1237                                 keycode = irr::KEY_KEY_0;
1238                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1239                         {
1240                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1241                                 {
1242                                         g_selected_item = i;
1243
1244                                         dstream<<DTIME<<"Selected item: "
1245                                                         <<g_selected_item<<std::endl;
1246                                 }
1247                         }
1248                 }
1249
1250                 // Viewing range selection
1251                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1252                 {
1253                         if(draw_control.range_all)
1254                         {
1255                                 draw_control.range_all = false;
1256                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1257                         }
1258                         else
1259                         {
1260                                 draw_control.range_all = true;
1261                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1262                         }
1263                 }
1264
1265                 // Print debug stacks
1266                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1267                 {
1268                         dstream<<"-----------------------------------------"
1269                                         <<std::endl;
1270                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1271                         dstream<<"-----------------------------------------"
1272                                         <<std::endl;
1273                         debug_stacks_print();
1274                 }
1275
1276                 /*
1277                         Player speed control
1278                         TODO: Cache the keycodes from getKeySetting
1279                 */
1280
1281                 {
1282                         /*bool a_up,
1283                         bool a_down,
1284                         bool a_left,
1285                         bool a_right,
1286                         bool a_jump,
1287                         bool a_superspeed,
1288                         bool a_sneak,
1289                         float a_pitch,
1290                         float a_yaw*/
1291                         PlayerControl control(
1292                                 input->isKeyDown(getKeySetting("keymap_forward")),
1293                                 input->isKeyDown(getKeySetting("keymap_backward")),
1294                                 input->isKeyDown(getKeySetting("keymap_left")),
1295                                 input->isKeyDown(getKeySetting("keymap_right")),
1296                                 input->isKeyDown(getKeySetting("keymap_jump")),
1297                                 input->isKeyDown(getKeySetting("keymap_special1")),
1298                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1299                                 camera_pitch,
1300                                 camera_yaw
1301                         );
1302                         client.setPlayerControl(control);
1303                 }
1304
1305                 /*
1306                         Run server
1307                 */
1308
1309                 if(server != NULL)
1310                 {
1311                         //TimeTaker timer("server->step(dtime)");
1312                         server->step(dtime);
1313                 }
1314
1315                 /*
1316                         Process environment
1317                 */
1318
1319                 {
1320                         //TimeTaker timer("client.step(dtime)");
1321                         client.step(dtime);
1322                         //client.step(dtime_avg1);
1323                 }
1324
1325                 // Read client events
1326                 for(;;)
1327                 {
1328                         ClientEvent event = client.getClientEvent();
1329                         if(event.type == CE_NONE)
1330                         {
1331                                 break;
1332                         }
1333                         else if(event.type == CE_PLAYER_DAMAGE)
1334                         {
1335                                 //u16 damage = event.player_damage.amount;
1336                                 //dstream<<"Player damage: "<<damage<<std::endl;
1337                                 damage_flash_timer = 0.05;
1338                         }
1339                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1340                         {
1341                                 camera_yaw = event.player_force_move.yaw;
1342                                 camera_pitch = event.player_force_move.pitch;
1343                         }
1344                 }
1345
1346                 // Get player position
1347                 v3f player_position = client.getPlayerPosition();
1348
1349                 //TimeTaker //timer2("//timer2");
1350
1351                 /*
1352                         Mouse and camera control
1353                 */
1354
1355                 if((device->isWindowActive() && noMenuActive()) || random_input)
1356                 {
1357                         if(!random_input)
1358                                 device->getCursorControl()->setVisible(false);
1359
1360                         if(first_loop_after_window_activation){
1361                                 //std::cout<<"window active, first loop"<<std::endl;
1362                                 first_loop_after_window_activation = false;
1363                         }
1364                         else{
1365                                 s32 dx = input->getMousePos().X - displaycenter.X;
1366                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1367                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1368
1369                                 /*const float keyspeed = 500;
1370                                 if(input->isKeyDown(irr::KEY_UP))
1371                                         dy -= dtime * keyspeed;
1372                                 if(input->isKeyDown(irr::KEY_DOWN))
1373                                         dy += dtime * keyspeed;
1374                                 if(input->isKeyDown(irr::KEY_LEFT))
1375                                         dx -= dtime * keyspeed;
1376                                 if(input->isKeyDown(irr::KEY_RIGHT))
1377                                         dx += dtime * keyspeed;*/
1378
1379                                 camera_yaw -= dx*0.2;
1380                                 camera_pitch += dy*0.2;
1381                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1382                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1383                         }
1384                         input->setMousePos(displaycenter.X, displaycenter.Y);
1385                 }
1386                 else{
1387                         device->getCursorControl()->setVisible(true);
1388
1389                         //std::cout<<"window inactive"<<std::endl;
1390                         first_loop_after_window_activation = true;
1391                 }
1392
1393                 camera_yaw = wrapDegrees(camera_yaw);
1394                 camera_pitch = wrapDegrees(camera_pitch);
1395
1396                 v3f camera_direction = v3f(0,0,1);
1397                 camera_direction.rotateYZBy(camera_pitch);
1398                 camera_direction.rotateXZBy(camera_yaw);
1399
1400                 // This is at the height of the eyes of the current figure
1401                 //v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
1402                 // This is more like in minecraft
1403                 v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
1404
1405                 camera->setPosition(camera_position);
1406                 // *100.0 helps in large map coordinates
1407                 camera->setTarget(camera_position + camera_direction * 100.0);
1408
1409                 if(FIELD_OF_VIEW_TEST){
1410                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1411                 }
1412                 else{
1413                         //TimeTaker timer("client.updateCamera");
1414                         client.updateCamera(camera_position, camera_direction);
1415                 }
1416
1417                 //timer2.stop();
1418                 //TimeTaker //timer3("//timer3");
1419
1420                 /*
1421                         Calculate what block is the crosshair pointing to
1422                 */
1423
1424                 //u32 t1 = device->getTimer()->getRealTime();
1425
1426                 //f32 d = 4; // max. distance
1427                 f32 d = 4; // max. distance
1428                 core::line3d<f32> shootline(camera_position,
1429                                 camera_position + camera_direction * BS * (d+1));
1430
1431                 MapBlockObject *selected_object = client.getSelectedObject
1432                                 (d*BS, camera_position, shootline);
1433
1434                 ClientActiveObject *selected_active_object
1435                                 = client.getSelectedActiveObject
1436                                         (d*BS, camera_position, shootline);
1437
1438                 if(selected_object != NULL)
1439                 {
1440                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1441
1442                         core::aabbox3d<f32> box_on_map
1443                                         = selected_object->getSelectionBoxOnMap();
1444
1445                         hilightboxes.push_back(box_on_map);
1446
1447                         infotext = narrow_to_wide(selected_object->infoText());
1448
1449                         if(input->getLeftClicked())
1450                         {
1451                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1452                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1453                                                 selected_object->getId(), g_selected_item);
1454                         }
1455                         else if(input->getRightClicked())
1456                         {
1457                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1458                                 /*
1459                                         Check if we want to modify the object ourselves
1460                                 */
1461                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1462                                 {
1463                                         dstream<<"Sign object right-clicked"<<std::endl;
1464
1465                                         if(random_input == false)
1466                                         {
1467                                                 // Get a new text for it
1468
1469                                                 TextDest *dest = new TextDestSign(
1470                                                                 selected_object->getBlock()->getPos(),
1471                                                                 selected_object->getId(),
1472                                                                 &client);
1473
1474                                                 SignObject *sign_object = (SignObject*)selected_object;
1475
1476                                                 std::wstring wtext =
1477                                                                 narrow_to_wide(sign_object->getText());
1478
1479                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1480                                                                 &g_menumgr, dest,
1481                                                                 wtext))->drop();
1482                                         }
1483                                 }
1484                                 /*
1485                                         Otherwise pass the event to the server as-is
1486                                 */
1487                                 else
1488                                 {
1489                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1490                                                         selected_object->getId(), g_selected_item);
1491                                 }
1492                         }
1493                 }
1494                 else if(selected_active_object != NULL)
1495                 {
1496                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1497
1498                         core::aabbox3d<f32> *selection_box
1499                                         = selected_active_object->getSelectionBox();
1500                         // Box should exist because object was returned in the
1501                         // first place
1502                         assert(selection_box);
1503
1504                         v3f pos = selected_active_object->getPosition();
1505
1506                         core::aabbox3d<f32> box_on_map(
1507                                         selection_box->MinEdge + pos,
1508                                         selection_box->MaxEdge + pos
1509                         );
1510
1511                         hilightboxes.push_back(box_on_map);
1512
1513                         //infotext = narrow_to_wide("A ClientActiveObject");
1514                         infotext = narrow_to_wide(selected_active_object->infoText());
1515
1516                         if(input->getLeftClicked())
1517                         {
1518                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1519                                 client.clickActiveObject(0,
1520                                                 selected_active_object->getId(), g_selected_item);
1521                         }
1522                         else if(input->getRightClicked())
1523                         {
1524                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1525                         }
1526                 }
1527                 else // selected_object == NULL
1528                 {
1529
1530                 /*
1531                         Find out which node we are pointing at
1532                 */
1533
1534                 bool nodefound = false;
1535                 v3s16 nodepos;
1536                 v3s16 neighbourpos;
1537                 core::aabbox3d<f32> nodehilightbox;
1538
1539                 getPointedNode(&client, player_position,
1540                                 camera_direction, camera_position,
1541                                 nodefound, shootline,
1542                                 nodepos, neighbourpos,
1543                                 nodehilightbox, d);
1544
1545                 static float nodig_delay_counter = 0.0;
1546
1547                 if(nodefound)
1548                 {
1549                         static v3s16 nodepos_old(-32768,-32768,-32768);
1550
1551                         static float dig_time = 0.0;
1552                         static u16 dig_index = 0;
1553
1554                         /*
1555                                 Visualize selection
1556                         */
1557
1558                         hilightboxes.push_back(nodehilightbox);
1559
1560                         /*
1561                                 Check information text of node
1562                         */
1563
1564                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1565                         if(meta)
1566                         {
1567                                 infotext = narrow_to_wide(meta->infoText());
1568                         }
1569
1570                         //MapNode node = client.getNode(nodepos);
1571
1572                         /*
1573                                 Handle digging
1574                         */
1575
1576                         if(input->getLeftReleased())
1577                         {
1578                                 client.clearTempMod(nodepos);
1579                                 dig_time = 0.0;
1580                         }
1581
1582                         if(nodig_delay_counter > 0.0)
1583                         {
1584                                 nodig_delay_counter -= dtime;
1585                         }
1586                         else
1587                         {
1588                                 if(nodepos != nodepos_old)
1589                                 {
1590                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1591                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1592
1593                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1594                                         {
1595                                                 client.clearTempMod(nodepos_old);
1596                                                 dig_time = 0.0;
1597                                         }
1598                                 }
1599
1600                                 if(input->getLeftClicked() ||
1601                                                 (input->getLeftState() && nodepos != nodepos_old))
1602                                 {
1603                                         dstream<<DTIME<<"Started digging"<<std::endl;
1604                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1605                                 }
1606                                 if(input->getLeftClicked())
1607                                 {
1608                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1609                                 }
1610                                 if(input->getLeftState())
1611                                 {
1612                                         MapNode n = client.getNode(nodepos);
1613
1614                                         // Get tool name. Default is "" = bare hands
1615                                         std::string toolname = "";
1616                                         InventoryList *mlist = local_inventory.getList("main");
1617                                         if(mlist != NULL)
1618                                         {
1619                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1620                                                 if(item && (std::string)item->getName() == "ToolItem")
1621                                                 {
1622                                                         ToolItem *titem = (ToolItem*)item;
1623                                                         toolname = titem->getToolName();
1624                                                 }
1625                                         }
1626
1627                                         // Get digging properties for material and tool
1628                                         u8 material = n.d;
1629                                         DiggingProperties prop =
1630                                                         getDiggingProperties(material, toolname);
1631
1632                                         float dig_time_complete = 0.0;
1633
1634                                         if(prop.diggable == false)
1635                                         {
1636                                                 /*dstream<<"Material "<<(int)material
1637                                                                 <<" not diggable with \""
1638                                                                 <<toolname<<"\""<<std::endl;*/
1639                                                 // I guess nobody will wait for this long
1640                                                 dig_time_complete = 10000000.0;
1641                                         }
1642                                         else
1643                                         {
1644                                                 dig_time_complete = prop.time;
1645                                         }
1646
1647                                         if(dig_time_complete >= 0.001)
1648                                         {
1649                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1650                                                                 * dig_time/dig_time_complete);
1651                                         }
1652                                         // This is for torches
1653                                         else
1654                                         {
1655                                                 dig_index = CRACK_ANIMATION_LENGTH;
1656                                         }
1657
1658                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1659                                         {
1660                                                 //TimeTaker timer("client.setTempMod");
1661                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1662                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1663                                         }
1664                                         else
1665                                         {
1666                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1667                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1668                                                 client.clearTempMod(nodepos);
1669                                                 client.removeNode(nodepos);
1670
1671                                                 dig_time = 0;
1672
1673                                                 nodig_delay_counter = dig_time_complete
1674                                                                 / (float)CRACK_ANIMATION_LENGTH;
1675
1676                                                 // We don't want a corresponding delay to
1677                                                 // very time consuming nodes
1678                                                 if(nodig_delay_counter > 0.5)
1679                                                 {
1680                                                         nodig_delay_counter = 0.5;
1681                                                 }
1682                                                 // We want a slight delay to very little
1683                                                 // time consuming nodes
1684                                                 float mindelay = 0.15;
1685                                                 if(nodig_delay_counter < mindelay)
1686                                                 {
1687                                                         nodig_delay_counter = mindelay;
1688                                                 }
1689                                         }
1690
1691                                         dig_time += dtime;
1692                                 }
1693                         }
1694
1695                         if(input->getRightClicked())
1696                         {
1697                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1698
1699                                 if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1700                                 {
1701                                         dstream<<"Sign node right-clicked"<<std::endl;
1702
1703                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1704
1705                                         // Get a new text for it
1706
1707                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1708
1709                                         std::wstring wtext =
1710                                                         narrow_to_wide(signmeta->getText());
1711
1712                                         (new GUITextInputMenu(guienv, guiroot, -1,
1713                                                         &g_menumgr, dest,
1714                                                         wtext))->drop();
1715                                 }
1716                                 else if(meta && meta->typeId() == CONTENT_CHEST && !random_input)
1717                                 {
1718                                         dstream<<"Chest node right-clicked"<<std::endl;
1719
1720                                         //ChestNodeMetadata *chestmeta = (ChestNodeMetadata*)meta;
1721
1722                                         std::string chest_inv_id;
1723                                         chest_inv_id += "nodemeta:";
1724                                         chest_inv_id += itos(nodepos.X);
1725                                         chest_inv_id += ",";
1726                                         chest_inv_id += itos(nodepos.Y);
1727                                         chest_inv_id += ",";
1728                                         chest_inv_id += itos(nodepos.Z);
1729
1730                                         GUIInventoryMenu *menu =
1731                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1732                                                         &g_menumgr, v2s16(8,9),
1733                                                         client.getInventoryContext(),
1734                                                         &client);
1735
1736                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1737
1738                                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1739                                                         "list", chest_inv_id, "0",
1740                                                         v2s32(0, 0), v2s32(8, 4)));
1741                                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1742                                                         "list", "current_player", "main",
1743                                                         v2s32(0, 5), v2s32(8, 4)));
1744
1745                                         menu->setDrawSpec(draw_spec);
1746
1747                                         menu->drop();
1748
1749                                 }
1750                                 else if(meta && meta->typeId() == CONTENT_FURNACE && !random_input)
1751                                 {
1752                                         dstream<<"Furnace node right-clicked"<<std::endl;
1753
1754                                         GUIFurnaceMenu *menu =
1755                                                 new GUIFurnaceMenu(guienv, guiroot, -1,
1756                                                         &g_menumgr, nodepos, &client);
1757
1758                                         menu->drop();
1759
1760                                 }
1761                                 else
1762                                 {
1763                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1764                                 }
1765                         }
1766
1767                         nodepos_old = nodepos;
1768                 }
1769                 else{
1770                 }
1771
1772                 } // selected_object == NULL
1773
1774                 input->resetLeftClicked();
1775                 input->resetRightClicked();
1776
1777                 if(input->getLeftReleased())
1778                 {
1779                         std::cout<<DTIME<<"Left button released (stopped digging)"
1780                                         <<std::endl;
1781                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1782                 }
1783                 if(input->getRightReleased())
1784                 {
1785                         //std::cout<<DTIME<<"Right released"<<std::endl;
1786                         // Nothing here
1787                 }
1788
1789                 input->resetLeftReleased();
1790                 input->resetRightReleased();
1791
1792                 /*
1793                         Calculate stuff for drawing
1794                 */
1795
1796                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1797
1798                 u32 daynight_ratio = client.getDayNightRatio();
1799                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1800                 video::SColor bgcolor = video::SColor(
1801                                 255,
1802                                 bgcolor_bright.getRed() * l / 255,
1803                                 bgcolor_bright.getGreen() * l / 255,
1804                                 bgcolor_bright.getBlue() * l / 255);
1805                                 /*skycolor.getRed() * l / 255,
1806                                 skycolor.getGreen() * l / 255,
1807                                 skycolor.getBlue() * l / 255);*/
1808
1809                 float brightness = (float)l/255.0;
1810
1811                 /*
1812                         Update skybox
1813                 */
1814                 if(fabs(brightness - old_brightness) > 0.01)
1815                         update_skybox(driver, smgr, skybox, brightness);
1816
1817                 /*
1818                         Update coulds
1819                 */
1820                 if(clouds)
1821                 {
1822                         clouds->step(dtime);
1823                         clouds->update(v2f(player_position.X, player_position.Z),
1824                                         0.05+brightness*0.95);
1825                 }
1826
1827                 // Store brightness value
1828                 old_brightness = brightness;
1829
1830                 /*
1831                         Fog
1832                 */
1833
1834                 if(g_settings.getBool("enable_fog") == true)
1835                 {
1836                         f32 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
1837                         if(draw_control.range_all)
1838                                 range = 100000*BS;
1839                         if(range < 50*BS)
1840                                 range = range * 0.5 + 25*BS;
1841
1842                         driver->setFog(
1843                                 bgcolor,
1844                                 video::EFT_FOG_LINEAR,
1845                                 range*0.4,
1846                                 range*1.0,
1847                                 0.01,
1848                                 false, // pixel fog
1849                                 false // range fog
1850                         );
1851                 }
1852                 else
1853                 {
1854                         driver->setFog(
1855                                 bgcolor,
1856                                 video::EFT_FOG_LINEAR,
1857                                 100000*BS,
1858                                 110000*BS,
1859                                 0.01,
1860                                 false, // pixel fog
1861                                 false // range fog
1862                         );
1863                 }
1864
1865
1866                 /*
1867                         Update gui stuff (0ms)
1868                 */
1869
1870                 //TimeTaker guiupdatetimer("Gui updating");
1871
1872                 {
1873                         static float drawtime_avg = 0;
1874                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
1875                         static float beginscenetime_avg = 0;
1876                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
1877                         static float scenetime_avg = 0;
1878                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
1879                         static float endscenetime_avg = 0;
1880                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
1881
1882                         char temptext[300];
1883                         snprintf(temptext, 300, "Minetest-c55 %s ("
1884                                         "R: range_all=%i"
1885                                         ")"
1886                                         " drawtime=%.0f, beginscenetime=%.0f"
1887                                         ", scenetime=%.0f, endscenetime=%.0f",
1888                                         VERSION_STRING,
1889                                         draw_control.range_all,
1890                                         drawtime_avg,
1891                                         beginscenetime_avg,
1892                                         scenetime_avg,
1893                                         endscenetime_avg
1894                                         );
1895
1896                         guitext->setText(narrow_to_wide(temptext).c_str());
1897                 }
1898
1899                 {
1900                         char temptext[300];
1901                         snprintf(temptext, 300,
1902                                         "(% .1f, % .1f, % .1f)"
1903                                         " (% .3f < btime_jitter < % .3f"
1904                                         ", dtime_jitter = % .1f %%"
1905                                         ", v_range = %.1f)",
1906                                         player_position.X/BS,
1907                                         player_position.Y/BS,
1908                                         player_position.Z/BS,
1909                                         busytime_jitter1_min_sample,
1910                                         busytime_jitter1_max_sample,
1911                                         dtime_jitter1_max_fraction * 100.0,
1912                                         draw_control.wanted_range
1913                                         );
1914
1915                         guitext2->setText(narrow_to_wide(temptext).c_str());
1916                 }
1917
1918                 {
1919                         guitext_info->setText(infotext.c_str());
1920                 }
1921
1922                 /*
1923                         Get chat messages from client
1924                 */
1925                 {
1926                         // Get new messages
1927                         std::wstring message;
1928                         while(client.getChatMessage(message))
1929                         {
1930                                 chat_lines.push_back(ChatLine(message));
1931                                 /*if(chat_lines.size() > 6)
1932                                 {
1933                                         core::list<ChatLine>::Iterator
1934                                                         i = chat_lines.begin();
1935                                         chat_lines.erase(i);
1936                                 }*/
1937                         }
1938                         // Append them to form the whole static text and throw
1939                         // it to the gui element
1940                         std::wstring whole;
1941                         // This will correspond to the line number counted from
1942                         // top to bottom, from size-1 to 0
1943                         s16 line_number = chat_lines.size();
1944                         // Count of messages to be removed from the top
1945                         u16 to_be_removed_count = 0;
1946                         for(core::list<ChatLine>::Iterator
1947                                         i = chat_lines.begin();
1948                                         i != chat_lines.end(); i++)
1949                         {
1950                                 // After this, line number is valid for this loop
1951                                 line_number--;
1952                                 // Increment age
1953                                 (*i).age += dtime;
1954                                 /*
1955                                         This results in a maximum age of 60*6 to the
1956                                         lowermost line and a maximum of 6 lines
1957                                 */
1958                                 float allowed_age = (6-line_number) * 60.0;
1959
1960                                 if((*i).age > allowed_age)
1961                                 {
1962                                         to_be_removed_count++;
1963                                         continue;
1964                                 }
1965                                 whole += (*i).text + L'\n';
1966                         }
1967                         for(u16 i=0; i<to_be_removed_count; i++)
1968                         {
1969                                 core::list<ChatLine>::Iterator
1970                                                 it = chat_lines.begin();
1971                                 chat_lines.erase(it);
1972                         }
1973                         guitext_chat->setText(whole.c_str());
1974
1975                         // Update gui element size and position
1976
1977                         /*core::rect<s32> rect(
1978                                         10,
1979                                         screensize.Y - guitext_chat_pad_bottom
1980                                                         - text_height*chat_lines.size(),
1981                                         screensize.X - 10,
1982                                         screensize.Y - guitext_chat_pad_bottom
1983                         );*/
1984                         core::rect<s32> rect(
1985                                         10,
1986                                         50,
1987                                         screensize.X - 10,
1988                                         50 + text_height*chat_lines.size()
1989                         );
1990
1991                         guitext_chat->setRelativePosition(rect);
1992
1993                         if(chat_lines.size() == 0)
1994                                 guitext_chat->setVisible(false);
1995                         else
1996                                 guitext_chat->setVisible(true);
1997                 }
1998
1999                 /*
2000                         Inventory
2001                 */
2002
2003                 static u16 old_selected_item = 65535;
2004                 if(client.getLocalInventoryUpdated()
2005                                 || g_selected_item != old_selected_item)
2006                 {
2007                         old_selected_item = g_selected_item;
2008                         //std::cout<<"Updating local inventory"<<std::endl;
2009                         client.getLocalInventory(local_inventory);
2010                 }
2011
2012                 /*
2013                         Send actions returned by the inventory menu
2014                 */
2015                 while(inventory_action_queue.size() != 0)
2016                 {
2017                         InventoryAction *a = inventory_action_queue.pop_front();
2018
2019                         client.sendInventoryAction(a);
2020                         // Eat it
2021                         delete a;
2022                 }
2023
2024                 /*
2025                         Drawing begins
2026                 */
2027
2028                 TimeTaker drawtimer("Drawing");
2029
2030
2031                 {
2032                         TimeTaker timer("beginScene");
2033                         driver->beginScene(true, true, bgcolor);
2034                         //driver->beginScene(false, true, bgcolor);
2035                         beginscenetime = timer.stop(true);
2036                 }
2037
2038                 //timer3.stop();
2039
2040                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2041
2042                 {
2043                         TimeTaker timer("smgr");
2044                         smgr->drawAll();
2045                         scenetime = timer.stop(true);
2046                 }
2047
2048                 {
2049                 //TimeTaker timer9("auxiliary drawings");
2050                 // 0ms
2051
2052                 //timer9.stop();
2053                 //TimeTaker //timer10("//timer10");
2054
2055                 video::SMaterial m;
2056                 //m.Thickness = 10;
2057                 m.Thickness = 3;
2058                 m.Lighting = false;
2059                 driver->setMaterial(m);
2060
2061                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2062
2063                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2064                                 i != hilightboxes.end(); i++)
2065                 {
2066                         /*std::cout<<"hilightbox min="
2067                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2068                                         <<" max="
2069                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2070                                         <<std::endl;*/
2071                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2072                 }
2073
2074                 /*
2075                         Frametime log
2076                 */
2077                 if(g_settings.getBool("frametime_graph") == true)
2078                 {
2079                         s32 x = 10;
2080                         for(core::list<float>::Iterator
2081                                         i = frametime_log.begin();
2082                                         i != frametime_log.end();
2083                                         i++)
2084                         {
2085                                 driver->draw2DLine(v2s32(x,50),
2086                                                 v2s32(x,50+(*i)*1000),
2087                                                 video::SColor(255,255,255,255));
2088                                 x++;
2089                         }
2090                 }
2091
2092                 /*
2093                         Draw crosshair
2094                 */
2095                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2096                                 displaycenter + core::vector2d<s32>(10,0),
2097                                 video::SColor(255,255,255,255));
2098                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2099                                 displaycenter + core::vector2d<s32>(0,10),
2100                                 video::SColor(255,255,255,255));
2101
2102                 } // timer
2103
2104                 //timer10.stop();
2105                 //TimeTaker //timer11("//timer11");
2106
2107                 /*
2108                         Draw gui
2109                 */
2110                 // 0-1ms
2111                 guienv->drawAll();
2112
2113                 /*
2114                         Draw hotbar
2115                 */
2116                 {
2117                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2118                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2119                                         client.getHP());
2120                 }
2121
2122                 /*
2123                         Damage flash
2124                 */
2125                 if(damage_flash_timer > 0.0)
2126                 {
2127                         damage_flash_timer -= dtime;
2128
2129                         video::SColor color(128,255,0,0);
2130                         driver->draw2DRectangle(color,
2131                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2132                                         NULL);
2133                 }
2134
2135                 /*
2136                         End scene
2137                 */
2138                 {
2139                         TimeTaker timer("endScene");
2140                         endSceneX(driver);
2141                         endscenetime = timer.stop(true);
2142                 }
2143
2144                 drawtime = drawtimer.stop(true);
2145
2146                 /*
2147                         End of drawing
2148                 */
2149
2150                 static s16 lastFPS = 0;
2151                 //u16 fps = driver->getFPS();
2152                 u16 fps = (1.0/dtime_avg1);
2153
2154                 if (lastFPS != fps)
2155                 {
2156                         core::stringw str = L"Minetest [";
2157                         str += driver->getName();
2158                         str += "] FPS=";
2159                         str += fps;
2160
2161                         device->setWindowCaption(str.c_str());
2162                         lastFPS = fps;
2163                 }
2164         }
2165
2166         /*
2167                 Drop stuff
2168         */
2169         clouds->drop();
2170
2171         /*
2172                 Draw a "shutting down" screen, which will be shown while the map
2173                 generator and other stuff quits
2174         */
2175         {
2176                 const wchar_t *shuttingdowntext = L"Shutting down stuff...";
2177                 gui::IGUIStaticText *gui_shuttingdowntext = guienv->addStaticText(
2178                                 shuttingdowntext, textrect, false, false);
2179                 gui_shuttingdowntext->setTextAlignment(gui::EGUIA_CENTER,
2180                                 gui::EGUIA_UPPERLEFT);
2181                 driver->beginScene(true, true, video::SColor(255,0,0,0));
2182                 guienv->drawAll();
2183                 driver->endScene();
2184                 gui_shuttingdowntext->remove();
2185         }
2186 }
2187
2188