src/game.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "common_irrlicht.h"
  21 #include "game.h"
  22 #include "client.h"
  23 #include "server.h"
  24 #include "guiPauseMenu.h"
  25 #include "guiPasswordChange.h"
  26 #include "guiInventoryMenu.h"
  27 #include "guiTextInputMenu.h"
  28 #include "materials.h"
  29 #include "config.h"
  30 #include "clouds.h"
  31 #include "keycode.h"
  32 #include "farmesh.h"
  33 #include "mapblock.h"
  34
  35 /*
  36         TODO: Move content-aware stuff to separate file by adding properties
  37               and virtual interfaces
  38 */
  39 #include "content_mapnode.h"
  40 #include "content_nodemeta.h"
  41
  42 /*
  43         Setting this to 1 enables a special camera mode that forces
  44         the renderers to think that the camera statically points from
  45         the starting place to a static direction.
  46
  47         This allows one to move around with the player and see what
  48         is actually drawn behind solid things and behind the player.
  49 */
  50 #define FIELD_OF_VIEW_TEST 0
  51
  52
  53 MapDrawControl draw_control;
  54
  55 // Chat data
  56 struct ChatLine
  57 {
  58         ChatLine():
  59                 age(0.0)
  60         {
  61         }
  62         ChatLine(const std::wstring &a_text):
  63                 age(0.0),
  64                 text(a_text)
  65         {
  66         }
  67         float age;
  68         std::wstring text;
  69 };
  70
  71 /*
  72         Inventory stuff
  73 */
  74
  75 // Inventory actions from the menu are buffered here before sending
  76 Queue<InventoryAction*> inventory_action_queue;
  77 // This is a copy of the inventory that the client's environment has
  78 Inventory local_inventory;
  79
  80 u16 g_selected_item = 0;
  81
  82 /*
  83         Text input system
  84 */
  85
  86 struct TextDestSign : public TextDest
  87 {
  88         TextDestSign(v3s16 blockpos, s16 id, Client *client)
  89         {
  90                 m_blockpos = blockpos;
  91                 m_id = id;
  92                 m_client = client;
  93         }
  94         void gotText(std::wstring text)
  95         {
  96                 std::string ntext = wide_to_narrow(text);
  97                 dstream<<"Changing text of a sign object: "
  98                                 <<ntext<<std::endl;
  99                 m_client->sendSignText(m_blockpos, m_id, ntext);
 100         }
 101
 102         v3s16 m_blockpos;
 103         s16 m_id;
 104         Client *m_client;
 105 };
 106
 107 struct TextDestChat : public TextDest
 108 {
 109         TextDestChat(Client *client)
 110         {
 111                 m_client = client;
 112         }
 113         void gotText(std::wstring text)
 114         {
 115                 // Discard empty line
 116                 if(text == L"")
 117                         return;
 118
 119                 // Parse command (server command starts with "/#")
 120                 if(text[0] == L'/' && text[1] != L'#')
 121                 {
 122                         std::wstring reply = L"Local: ";
 123
 124                         reply += L"Local commands not yet supported. "
 125                                         L"Server prefix is \"/#\".";
 126
 127                         m_client->addChatMessage(reply);
 128                         return;
 129                 }
 130
 131                 // Send to others
 132                 m_client->sendChatMessage(text);
 133                 // Show locally
 134                 m_client->addChatMessage(text);
 135         }
 136
 137         Client *m_client;
 138 };
 139
 140 struct TextDestSignNode : public TextDest
 141 {
 142         TextDestSignNode(v3s16 p, Client *client)
 143         {
 144                 m_p = p;
 145                 m_client = client;
 146         }
 147         void gotText(std::wstring text)
 148         {
 149                 std::string ntext = wide_to_narrow(text);
 150                 dstream<<"Changing text of a sign node: "
 151                                 <<ntext<<std::endl;
 152                 m_client->sendSignNodeText(m_p, ntext);
 153         }
 154
 155         v3s16 m_p;
 156         Client *m_client;
 157 };
 158
 159 /*
 160         Render distance feedback loop
 161 */
 162 void updateViewingRange(f32 frametime_in, Client *client)
 163 {
 164         if(draw_control.range_all == true)
 165                 return;
 166
 167         static f32 added_frametime = 0;
 168         static s16 added_frames = 0;
 169
 170         added_frametime += frametime_in;
 171         added_frames += 1;
 172
 173         // Actually this counter kind of sucks because frametime is busytime
 174         static f32 counter = 0;
 175         counter -= frametime_in;
 176         if(counter > 0)
 177                 return;
 178         //counter = 0.1;
 179         counter = 0.2;
 180
 181         /*dstream<<__FUNCTION_NAME
 182                         <<": Collected "<<added_frames<<" frames, total of "
 183                         <<added_frametime<<"s."<<std::endl;*/
 184
 185         /*dstream<<"draw_control.blocks_drawn="
 186                         <<draw_control.blocks_drawn
 187                         <<", draw_control.blocks_would_have_drawn="
 188                         <<draw_control.blocks_would_have_drawn
 189                         <<std::endl;*/
 190
 191         float range_min = g_settings.getS16("viewing_range_nodes_min");
 192         float range_max = g_settings.getS16("viewing_range_nodes_max");
 193
 194         // Limit minimum to keep the feedback loop stable
 195         if(range_min < 5)
 196                 range_min = 5;
 197
 198         draw_control.wanted_min_range = range_min;
 199         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
 200         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
 201         if(draw_control.wanted_max_blocks < 10)
 202                 draw_control.wanted_max_blocks = 10;
 203
 204         float block_draw_ratio = 1.0;
 205         if(draw_control.blocks_would_have_drawn != 0)
 206         {
 207                 block_draw_ratio = (float)draw_control.blocks_drawn
 208                         / (float)draw_control.blocks_would_have_drawn;
 209         }
 210
 211         // Calculate the average frametime in the case that all wanted
 212         // blocks had been drawn
 213         f32 frametime = added_frametime / added_frames / block_draw_ratio;
 214
 215         added_frametime = 0.0;
 216         added_frames = 0;
 217
 218         float wanted_fps = g_settings.getFloat("wanted_fps");
 219         float wanted_frametime = 1.0 / wanted_fps;
 220
 221         f32 wanted_frametime_change = wanted_frametime - frametime;
 222         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
 223
 224         // If needed frametime change is small, just return
 225         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
 226         {
 227                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
 228                 return;
 229         }
 230
 231         float range = draw_control.wanted_range;
 232         float new_range = range;
 233
 234         static s16 range_old = 0;
 235         static f32 frametime_old = 0;
 236
 237         float d_range = range - range_old;
 238         f32 d_frametime = frametime - frametime_old;
 239         // A sane default of 30ms per 50 nodes of range
 240         static f32 time_per_range = 30. / 50;
 241         if(d_range != 0)
 242         {
 243                 time_per_range = d_frametime / d_range;
 244         }
 245
 246         // The minimum allowed calculated frametime-range derivative:
 247         // Practically this sets the maximum speed of changing the range.
 248         // The lower this value, the higher the maximum changing speed.
 249         // A low value here results in wobbly range (0.001)
 250         // A high value here results in slow changing range (0.0025)
 251         // SUGG: This could be dynamically adjusted so that when
 252         //       the camera is turning, this is lower
 253         //float min_time_per_range = 0.0015;
 254         float min_time_per_range = 0.0010;
 255         //float min_time_per_range = 0.05 / range;
 256         if(time_per_range < min_time_per_range)
 257         {
 258                 time_per_range = min_time_per_range;
 259                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
 260         }
 261         else
 262         {
 263                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
 264         }
 265
 266         f32 wanted_range_change = wanted_frametime_change / time_per_range;
 267         // Dampen the change a bit to kill oscillations
 268         //wanted_range_change *= 0.9;
 269         //wanted_range_change *= 0.75;
 270         wanted_range_change *= 0.5;
 271         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
 272
 273         // If needed range change is very small, just return
 274         if(fabs(wanted_range_change) < 0.001)
 275         {
 276                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
 277                 return;
 278         }
 279
 280         new_range += wanted_range_change;
 281
 282         //float new_range_unclamped = new_range;
 283         if(new_range < range_min)
 284                 new_range = range_min;
 285         if(new_range > range_max)
 286                 new_range = range_max;
 287
 288         /*dstream<<"new_range="<<new_range_unclamped
 289                         <<", clamped to "<<new_range<<std::endl;*/
 290
 291         draw_control.wanted_range = new_range;
 292
 293         range_old = new_range;
 294         frametime_old = frametime;
 295 }
 296
 297 /*
 298         Hotbar draw routine
 299 */
 300 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 301                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 302                 Inventory *inventory, s32 halfheartcount)
 303 {
 304         InventoryList *mainlist = inventory->getList("main");
 305         if(mainlist == NULL)
 306         {
 307                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
 308                 return;
 309         }
 310
 311         s32 padding = imgsize/12;
 312         //s32 height = imgsize + padding*2;
 313         s32 width = itemcount*(imgsize+padding*2);
 314
 315         // Position of upper left corner of bar
 316         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 317
 318         // Draw background color
 319         /*core::rect<s32> barrect(0,0,width,height);
 320         barrect += pos;
 321         video::SColor bgcolor(255,128,128,128);
 322         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 323
 324         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 325
 326         for(s32 i=0; i<itemcount; i++)
 327         {
 328                 InventoryItem *item = mainlist->getItem(i);
 329
 330                 core::rect<s32> rect = imgrect + pos
 331                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 332
 333                 if(g_selected_item == i)
 334                 {
 335                         driver->draw2DRectangle(video::SColor(255,255,0,0),
 336                                         core::rect<s32>(rect.UpperLeftCorner - v2s32(1,1)*padding,
 337                                                         rect.LowerRightCorner + v2s32(1,1)*padding),
 338                                         NULL);
 339                 }
 340                 else
 341                 {
 342                         video::SColor bgcolor2(128,0,0,0);
 343                         driver->draw2DRectangle(bgcolor2, rect, NULL);
 344                 }
 345
 346                 if(item != NULL)
 347                 {
 348                         drawInventoryItem(driver, font, item, rect, NULL);
 349                 }
 350         }
 351
 352         /*
 353                 Draw hearts
 354         */
 355         {
 356                 video::ITexture *heart_texture =
 357                                 driver->getTexture(getTexturePath("heart.png").c_str());
 358                 v2s32 p = pos + v2s32(0, -20);
 359                 for(s32 i=0; i<halfheartcount/2; i++)
 360                 {
 361                         const video::SColor color(255,255,255,255);
 362                         const video::SColor colors[] = {color,color,color,color};
 363                         core::rect<s32> rect(0,0,16,16);
 364                         rect += p;
 365                         driver->draw2DImage(heart_texture, rect,
 366                                 core::rect<s32>(core::position2d<s32>(0,0),
 367                                 core::dimension2di(heart_texture->getOriginalSize())),
 368                                 NULL, colors, true);
 369                         p += v2s32(16,0);
 370                 }
 371                 if(halfheartcount % 2 == 1)
 372                 {
 373                         const video::SColor color(255,255,255,255);
 374                         const video::SColor colors[] = {color,color,color,color};
 375                         core::rect<s32> rect(0,0,16/2,16);
 376                         rect += p;
 377                         core::dimension2di srcd(heart_texture->getOriginalSize());
 378                         srcd.Width /= 2;
 379                         driver->draw2DImage(heart_texture, rect,
 380                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 381                                 NULL, colors, true);
 382                         p += v2s32(16,0);
 383                 }
 384         }
 385 }
 386
 387 /*
 388         Find what the player is pointing at
 389 */
 390 void getPointedNode(Client *client, v3f player_position,
 391                 v3f camera_direction, v3f camera_position,
 392                 bool &nodefound, core::line3d<f32> shootline,
 393                 v3s16 &nodepos, v3s16 &neighbourpos,
 394                 core::aabbox3d<f32> &nodehilightbox,
 395                 f32 d)
 396 {
 397         f32 mindistance = BS * 1001;
 398
 399         v3s16 pos_i = floatToInt(player_position, BS);
 400
 401         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 402                         <<std::endl;*/
 403
 404         s16 a = d;
 405         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 406         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 407         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 408         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 409         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 410         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 411
 412         for(s16 y = ystart; y <= yend; y++)
 413         for(s16 z = zstart; z <= zend; z++)
 414         for(s16 x = xstart; x <= xend; x++)
 415         {
 416                 MapNode n;
 417                 try
 418                 {
 419                         n = client->getNode(v3s16(x,y,z));
 420                         if(content_pointable(n.getContent()) == false)
 421                                 continue;
 422                 }
 423                 catch(InvalidPositionException &e)
 424                 {
 425                         continue;
 426                 }
 427
 428                 v3s16 np(x,y,z);
 429                 v3f npf = intToFloat(np, BS);
 430
 431                 f32 d = 0.01;
 432
 433                 v3s16 dirs[6] = {
 434                         v3s16(0,0,1), // back
 435                         v3s16(0,1,0), // top
 436                         v3s16(1,0,0), // right
 437                         v3s16(0,0,-1), // front
 438                         v3s16(0,-1,0), // bottom
 439                         v3s16(-1,0,0), // left
 440                 };
 441
 442                 /*
 443                         Meta-objects
 444                 */
 445                 if(n.getContent() == CONTENT_TORCH)
 446                 {
 447                         v3s16 dir = unpackDir(n.param2);
 448                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 449                         dir_f *= BS/2 - BS/6 - BS/20;
 450                         v3f cpf = npf + dir_f;
 451                         f32 distance = (cpf - camera_position).getLength();
 452
 453                         core::aabbox3d<f32> box;
 454
 455                         // bottom
 456                         if(dir == v3s16(0,-1,0))
 457                         {
 458                                 box = core::aabbox3d<f32>(
 459                                         npf - v3f(BS/6, BS/2, BS/6),
 460                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
 461                                 );
 462                         }
 463                         // top
 464                         else if(dir == v3s16(0,1,0))
 465                         {
 466                                 box = core::aabbox3d<f32>(
 467                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
 468                                         npf + v3f(BS/6, BS/2, BS/6)
 469                                 );
 470                         }
 471                         // side
 472                         else
 473                         {
 474                                 box = core::aabbox3d<f32>(
 475                                         cpf - v3f(BS/6, BS/3, BS/6),
 476                                         cpf + v3f(BS/6, BS/3, BS/6)
 477                                 );
 478                         }
 479
 480                         if(distance < mindistance)
 481                         {
 482                                 if(box.intersectsWithLine(shootline))
 483                                 {
 484                                         nodefound = true;
 485                                         nodepos = np;
 486                                         neighbourpos = np;
 487                                         mindistance = distance;
 488                                         nodehilightbox = box;
 489                                 }
 490                         }
 491                 }
 492                 else if(n.getContent() == CONTENT_SIGN_WALL)
 493                 {
 494                         v3s16 dir = unpackDir(n.param2);
 495                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 496                         dir_f *= BS/2 - BS/6 - BS/20;
 497                         v3f cpf = npf + dir_f;
 498                         f32 distance = (cpf - camera_position).getLength();
 499
 500                         v3f vertices[4] =
 501                         {
 502                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 503                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 504                         };
 505
 506                         for(s32 i=0; i<2; i++)
 507                         {
 508                                 if(dir == v3s16(1,0,0))
 509                                         vertices[i].rotateXZBy(0);
 510                                 if(dir == v3s16(-1,0,0))
 511                                         vertices[i].rotateXZBy(180);
 512                                 if(dir == v3s16(0,0,1))
 513                                         vertices[i].rotateXZBy(90);
 514                                 if(dir == v3s16(0,0,-1))
 515                                         vertices[i].rotateXZBy(-90);
 516                                 if(dir == v3s16(0,-1,0))
 517                                         vertices[i].rotateXYBy(-90);
 518                                 if(dir == v3s16(0,1,0))
 519                                         vertices[i].rotateXYBy(90);
 520
 521                                 vertices[i] += npf;
 522                         }
 523
 524                         core::aabbox3d<f32> box;
 525
 526                         box = core::aabbox3d<f32>(vertices[0]);
 527                         box.addInternalPoint(vertices[1]);
 528
 529                         if(distance < mindistance)
 530                         {
 531                                 if(box.intersectsWithLine(shootline))
 532                                 {
 533                                         nodefound = true;
 534                                         nodepos = np;
 535                                         neighbourpos = np;
 536                                         mindistance = distance;
 537                                         nodehilightbox = box;
 538                                 }
 539                         }
 540                 }
 541                 else if(n.getContent() == CONTENT_RAIL)
 542                 {
 543                         v3s16 dir = unpackDir(n.param0);
 544                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 545                         dir_f *= BS/2 - BS/6 - BS/20;
 546                         v3f cpf = npf + dir_f;
 547                         f32 distance = (cpf - camera_position).getLength();
 548
 549                         float d = (float)BS/16;
 550                         v3f vertices[4] =
 551                         {
 552                                 v3f(BS/2, -BS/2+d, -BS/2),
 553                                 v3f(-BS/2, -BS/2, BS/2),
 554                         };
 555
 556                         for(s32 i=0; i<2; i++)
 557                         {
 558                                 vertices[i] += npf;
 559                         }
 560
 561                         core::aabbox3d<f32> box;
 562
 563                         box = core::aabbox3d<f32>(vertices[0]);
 564                         box.addInternalPoint(vertices[1]);
 565
 566                         if(distance < mindistance)
 567                         {
 568                                 if(box.intersectsWithLine(shootline))
 569                                 {
 570                                         nodefound = true;
 571                                         nodepos = np;
 572                                         neighbourpos = np;
 573                                         mindistance = distance;
 574                                         nodehilightbox = box;
 575                                 }
 576                         }
 577                 }
 578                 /*
 579                         Regular blocks
 580                 */
 581                 else
 582                 {
 583                         for(u16 i=0; i<6; i++)
 584                         {
 585                                 v3f dir_f = v3f(dirs[i].X,
 586                                                 dirs[i].Y, dirs[i].Z);
 587                                 v3f centerpoint = npf + dir_f * BS/2;
 588                                 f32 distance =
 589                                                 (centerpoint - camera_position).getLength();
 590
 591                                 if(distance < mindistance)
 592                                 {
 593                                         core::CMatrix4<f32> m;
 594                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 595
 596                                         // This is the back face
 597                                         v3f corners[2] = {
 598                                                 v3f(BS/2, BS/2, BS/2),
 599                                                 v3f(-BS/2, -BS/2, BS/2+d)
 600                                         };
 601
 602                                         for(u16 j=0; j<2; j++)
 603                                         {
 604                                                 m.rotateVect(corners[j]);
 605                                                 corners[j] += npf;
 606                                         }
 607
 608                                         core::aabbox3d<f32> facebox(corners[0]);
 609                                         facebox.addInternalPoint(corners[1]);
 610
 611                                         if(facebox.intersectsWithLine(shootline))
 612                                         {
 613                                                 nodefound = true;
 614                                                 nodepos = np;
 615                                                 neighbourpos = np + dirs[i];
 616                                                 mindistance = distance;
 617
 618                                                 //nodehilightbox = facebox;
 619
 620                                                 const float d = 0.502;
 621                                                 core::aabbox3d<f32> nodebox
 622                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 623                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 624                                                 nodebox.MinEdge += nodepos_f;
 625                                                 nodebox.MaxEdge += nodepos_f;
 626                                                 nodehilightbox = nodebox;
 627                                         }
 628                                 } // if distance < mindistance
 629                         } // for dirs
 630                 } // regular block
 631         } // for coords
 632 }
 633
 634 void update_skybox(video::IVideoDriver* driver,
 635                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 636                 float brightness)
 637 {
 638         if(skybox)
 639         {
 640                 skybox->remove();
 641         }
 642
 643         /*// Disable skybox if FarMesh is enabled
 644         if(g_settings.getBool("enable_farmesh"))
 645                 return;*/
 646
 647         if(brightness >= 0.5)
 648         {
 649                 skybox = smgr->addSkyBoxSceneNode(
 650                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 651                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 652                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 653                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 654                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 655                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 656         }
 657         else if(brightness >= 0.2)
 658         {
 659                 skybox = smgr->addSkyBoxSceneNode(
 660                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 661                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 662                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 663                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 664                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 665                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 666         }
 667         else
 668         {
 669                 skybox = smgr->addSkyBoxSceneNode(
 670                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 671                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 672                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 673                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 674                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 675                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 676         }
 677 }
 678
 679 /*
 680         Draws a screen with a single text on it.
 681         Text will be removed when the screen is drawn the next time.
 682 */
 683 /*gui::IGUIStaticText **/
 684 void draw_load_screen(const std::wstring &text,
 685                 video::IVideoDriver* driver, gui::IGUIFont* font)
 686 {
 687         v2u32 screensize = driver->getScreenSize();
 688         const wchar_t *loadingtext = text.c_str();
 689         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 690         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 691         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 692         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 693
 694         gui::IGUIStaticText *guitext = guienv->addStaticText(
 695                         loadingtext, textrect, false, false);
 696         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 697
 698         driver->beginScene(true, true, video::SColor(255,0,0,0));
 699         guienv->drawAll();
 700         driver->endScene();
 701
 702         guitext->remove();
 703
 704         //return guitext;
 705 }
 706
 707 void the_game(
 708         bool &kill,
 709         bool random_input,
 710         InputHandler *input,
 711         IrrlichtDevice *device,
 712         gui::IGUIFont* font,
 713         std::string map_dir,
 714         std::string playername,
 715         std::string password,
 716         std::string address,
 717         u16 port,
 718         std::wstring &error_message
 719 )
 720 {
 721         video::IVideoDriver* driver = device->getVideoDriver();
 722         scene::ISceneManager* smgr = device->getSceneManager();
 723
 724         // Calculate text height using the font
 725         u32 text_height = font->getDimension(L"Random test string").Height;
 726
 727         v2u32 screensize(0,0);
 728         v2u32 last_screensize(0,0);
 729         screensize = driver->getScreenSize();
 730
 731         const s32 hotbar_itemcount = 8;
 732         //const s32 hotbar_imagesize = 36;
 733         //const s32 hotbar_imagesize = 64;
 734         s32 hotbar_imagesize = 48;
 735
 736         // The color of the sky
 737
 738         //video::SColor skycolor = video::SColor(255,140,186,250);
 739
 740         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 741
 742         /*
 743                 Draw "Loading" screen
 744         */
 745         /*gui::IGUIStaticText *gui_loadingtext = */
 746         //draw_load_screen(L"Loading and connecting...", driver, font);
 747
 748         draw_load_screen(L"Loading...", driver, font);
 749
 750         /*
 751                 Create server.
 752                 SharedPtr will delete it when it goes out of scope.
 753         */
 754         SharedPtr<Server> server;
 755         if(address == ""){
 756                 draw_load_screen(L"Creating server...", driver, font);
 757                 std::cout<<DTIME<<"Creating server"<<std::endl;
 758                 server = new Server(map_dir);
 759                 server->start(port);
 760         }
 761
 762         /*
 763                 Create client
 764         */
 765
 766         draw_load_screen(L"Creating client...", driver, font);
 767         std::cout<<DTIME<<"Creating client"<<std::endl;
 768         Client client(device, playername.c_str(), password, draw_control);
 769
 770         draw_load_screen(L"Resolving address...", driver, font);
 771         Address connect_address(0,0,0,0, port);
 772         try{
 773                 if(address == "")
 774                         //connect_address.Resolve("localhost");
 775                         connect_address.setAddress(127,0,0,1);
 776                 else
 777                         connect_address.Resolve(address.c_str());
 778         }
 779         catch(ResolveError &e)
 780         {
 781                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 782                 //return 0;
 783                 error_message = L"Couldn't resolve address";
 784                 //gui_loadingtext->remove();
 785                 return;
 786         }
 787
 788         /*
 789                 Attempt to connect to the server
 790         */
 791
 792         dstream<<DTIME<<"Connecting to server at ";
 793         connect_address.print(&dstream);
 794         dstream<<std::endl;
 795         client.connect(connect_address);
 796
 797         bool could_connect = false;
 798
 799         try{
 800                 float time_counter = 0.0;
 801                 for(;;)
 802                 {
 803                         if(client.connectedAndInitialized())
 804                         {
 805                                 could_connect = true;
 806                                 break;
 807                         }
 808                         if(client.accessDenied())
 809                         {
 810                                 break;
 811                         }
 812                         // Wait for 10 seconds
 813                         if(time_counter >= 10.0)
 814                         {
 815                                 break;
 816                         }
 817
 818                         std::wostringstream ss;
 819                         ss<<L"Connecting to server... (timeout in ";
 820                         ss<<(int)(10.0 - time_counter + 1.0);
 821                         ss<<L" seconds)";
 822                         draw_load_screen(ss.str(), driver, font);
 823
 824                         /*// Update screen
 825                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 826                         guienv->drawAll();
 827                         driver->endScene();*/
 828
 829                         // Update client and server
 830
 831                         client.step(0.1);
 832
 833                         if(server != NULL)
 834                                 server->step(0.1);
 835
 836                         // Delay a bit
 837                         sleep_ms(100);
 838                         time_counter += 0.1;
 839                 }
 840         }
 841         catch(con::PeerNotFoundException &e)
 842         {}
 843
 844         if(could_connect == false)
 845         {
 846                 if(client.accessDenied())
 847                 {
 848                         error_message = L"Access denied. Reason: "
 849                                         +client.accessDeniedReason();
 850                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
 851                 }
 852                 else
 853                 {
 854                         error_message = L"Connection timed out.";
 855                         std::cout<<DTIME<<"Timed out."<<std::endl;
 856                 }
 857                 //gui_loadingtext->remove();
 858                 return;
 859         }
 860
 861         /*
 862                 Create skybox
 863         */
 864         float old_brightness = 1.0;
 865         scene::ISceneNode* skybox = NULL;
 866         update_skybox(driver, smgr, skybox, 1.0);
 867
 868         /*
 869                 Create the camera node
 870         */
 871
 872         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 873                 0, // Camera parent
 874                 v3f(BS*100, BS*2, BS*100), // Look from
 875                 v3f(BS*100+1, BS*2, BS*100), // Look to
 876                 -1 // Camera ID
 877         );
 878
 879         if(camera == NULL)
 880         {
 881                 error_message = L"Failed to create the camera node";
 882                 return;
 883         }
 884
 885         camera->setFOV(FOV_ANGLE);
 886
 887         // Just so big a value that everything rendered is visible
 888         camera->setFarValue(100000*BS);
 889
 890         f32 camera_yaw = 0; // "right/left"
 891         f32 camera_pitch = 0; // "up/down"
 892
 893         /*
 894                 Clouds
 895         */
 896
 897         float cloud_height = BS*100;
 898         Clouds *clouds = NULL;
 899         if(g_settings.getBool("enable_clouds"))
 900         {
 901                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 902                                 cloud_height, time(0));
 903         }
 904
 905         /*
 906                 FarMesh
 907         */
 908
 909         FarMesh *farmesh = NULL;
 910         if(g_settings.getBool("enable_farmesh"))
 911         {
 912                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 913         }
 914
 915         /*
 916                 Move into game
 917         */
 918
 919         //gui_loadingtext->remove();
 920
 921         /*
 922                 Add some gui stuff
 923         */
 924
 925         // First line of debug text
 926         gui::IGUIStaticText *guitext = guienv->addStaticText(
 927                         L"Minetest-c55",
 928                         core::rect<s32>(5, 5, 795, 5+text_height),
 929                         false, false);
 930         // Second line of debug text
 931         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
 932                         L"",
 933                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
 934                         false, false);
 935
 936         // At the middle of the screen
 937         // Object infos are shown in this
 938         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
 939                         L"",
 940                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
 941                         false, false);
 942
 943         // Chat text
 944         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
 945                         L"",
 946                         core::rect<s32>(0,0,0,0),
 947                         //false, false); // Disable word wrap as of now
 948                         false, true);
 949         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
 950         core::list<ChatLine> chat_lines;
 951
 952         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 953                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
 954         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
 955                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
 956
 957         // Test the text input system
 958         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
 959                         NULL))->drop();*/
 960         /*GUIMessageMenu *menu =
 961                         new GUIMessageMenu(guienv, guiroot, -1,
 962                                 &g_menumgr,
 963                                 L"Asd");
 964         menu->drop();*/
 965
 966         // Launch pause menu
 967         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
 968                         &g_menumgr))->drop();
 969
 970         // Enable texts
 971         /*guitext2->setVisible(true);
 972         guitext_info->setVisible(true);
 973         guitext_chat->setVisible(true);*/
 974
 975         //s32 guitext_chat_pad_bottom = 70;
 976
 977         /*
 978                 Some statistics are collected in these
 979         */
 980         u32 drawtime = 0;
 981         u32 beginscenetime = 0;
 982         u32 scenetime = 0;
 983         u32 endscenetime = 0;
 984
 985         // A test
 986         //throw con::PeerNotFoundException("lol");
 987
 988         core::list<float> frametime_log;
 989
 990         float damage_flash_timer = 0;
 991         s16 farmesh_range = 20*MAP_BLOCKSIZE;
 992
 993         bool invert_mouse = g_settings.getBool("invert_mouse");
 994
 995         /*
 996                 Main loop
 997         */
 998
 999         bool first_loop_after_window_activation = true;
1000
1001         // TODO: Convert the static interval timers to these
1002         // Interval limiter for profiler
1003         IntervalLimiter m_profiler_interval;
1004
1005         // Time is in milliseconds
1006         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1007         // NOTE: So we have to use getTime() and call run()s between them
1008         u32 lasttime = device->getTimer()->getTime();
1009
1010         while(device->run() && kill == false)
1011         {
1012                 //std::cerr<<"frame"<<std::endl;
1013
1014                 if(g_gamecallback->disconnect_requested)
1015                 {
1016                         g_gamecallback->disconnect_requested = false;
1017                         break;
1018                 }
1019
1020                 if(g_gamecallback->changepassword_requested)
1021                 {
1022                         (new GUIPasswordChange(guienv, guiroot, -1,
1023                                 &g_menumgr, &client))->drop();
1024                         g_gamecallback->changepassword_requested = false;
1025                 }
1026
1027                 /*
1028                         Process TextureSource's queue
1029                 */
1030                 ((TextureSource*)g_texturesource)->processQueue();
1031
1032                 /*
1033                         Random calculations
1034                 */
1035                 last_screensize = screensize;
1036                 screensize = driver->getScreenSize();
1037                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1038                 //bool screensize_changed = screensize != last_screensize;
1039
1040                 // Resize hotbar
1041                 if(screensize.Y <= 800)
1042                         hotbar_imagesize = 32;
1043                 else if(screensize.Y <= 1280)
1044                         hotbar_imagesize = 48;
1045                 else
1046                         hotbar_imagesize = 64;
1047
1048                 // Hilight boxes collected during the loop and displayed
1049                 core::list< core::aabbox3d<f32> > hilightboxes;
1050
1051                 // Info text
1052                 std::wstring infotext;
1053
1054                 // When screen size changes, update positions and sizes of stuff
1055                 /*if(screensize_changed)
1056                 {
1057                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1058                         quick_inventory->updatePosition(pos);
1059                 }*/
1060
1061                 //TimeTaker //timer1("//timer1");
1062
1063                 // Time of frame without fps limit
1064                 float busytime;
1065                 u32 busytime_u32;
1066                 {
1067                         // not using getRealTime is necessary for wine
1068                         u32 time = device->getTimer()->getTime();
1069                         if(time > lasttime)
1070                                 busytime_u32 = time - lasttime;
1071                         else
1072                                 busytime_u32 = 0;
1073                         busytime = busytime_u32 / 1000.0;
1074                 }
1075
1076                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1077
1078                 // Necessary for device->getTimer()->getTime()
1079                 device->run();
1080
1081                 /*
1082                         Viewing range
1083                 */
1084
1085                 updateViewingRange(busytime, &client);
1086
1087                 /*
1088                         FPS limiter
1089                 */
1090
1091                 {
1092                         float fps_max = g_settings.getFloat("fps_max");
1093                         u32 frametime_min = 1000./fps_max;
1094
1095                         if(busytime_u32 < frametime_min)
1096                         {
1097                                 u32 sleeptime = frametime_min - busytime_u32;
1098                                 device->sleep(sleeptime);
1099                         }
1100                 }
1101
1102                 // Necessary for device->getTimer()->getTime()
1103                 device->run();
1104
1105                 /*
1106                         Time difference calculation
1107                 */
1108                 f32 dtime; // in seconds
1109
1110                 u32 time = device->getTimer()->getTime();
1111                 if(time > lasttime)
1112                         dtime = (time - lasttime) / 1000.0;
1113                 else
1114                         dtime = 0;
1115                 lasttime = time;
1116
1117                 /*
1118                         Log frametime for visualization
1119                 */
1120                 frametime_log.push_back(dtime);
1121                 if(frametime_log.size() > 100)
1122                 {
1123                         core::list<float>::Iterator i = frametime_log.begin();
1124                         frametime_log.erase(i);
1125                 }
1126
1127                 /*
1128                         Visualize frametime in terminal
1129                 */
1130                 /*for(u32 i=0; i<dtime*400; i++)
1131                         std::cout<<"X";
1132                 std::cout<<std::endl;*/
1133
1134                 /*
1135                         Time average and jitter calculation
1136                 */
1137
1138                 static f32 dtime_avg1 = 0.0;
1139                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1140                 f32 dtime_jitter1 = dtime - dtime_avg1;
1141
1142                 static f32 dtime_jitter1_max_sample = 0.0;
1143                 static f32 dtime_jitter1_max_fraction = 0.0;
1144                 {
1145                         static f32 jitter1_max = 0.0;
1146                         static f32 counter = 0.0;
1147                         if(dtime_jitter1 > jitter1_max)
1148                                 jitter1_max = dtime_jitter1;
1149                         counter += dtime;
1150                         if(counter > 0.0)
1151                         {
1152                                 counter -= 3.0;
1153                                 dtime_jitter1_max_sample = jitter1_max;
1154                                 dtime_jitter1_max_fraction
1155                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1156                                 jitter1_max = 0.0;
1157                         }
1158                 }
1159
1160                 /*
1161                         Busytime average and jitter calculation
1162                 */
1163
1164                 static f32 busytime_avg1 = 0.0;
1165                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1166                 f32 busytime_jitter1 = busytime - busytime_avg1;
1167
1168                 static f32 busytime_jitter1_max_sample = 0.0;
1169                 static f32 busytime_jitter1_min_sample = 0.0;
1170                 {
1171                         static f32 jitter1_max = 0.0;
1172                         static f32 jitter1_min = 0.0;
1173                         static f32 counter = 0.0;
1174                         if(busytime_jitter1 > jitter1_max)
1175                                 jitter1_max = busytime_jitter1;
1176                         if(busytime_jitter1 < jitter1_min)
1177                                 jitter1_min = busytime_jitter1;
1178                         counter += dtime;
1179                         if(counter > 0.0){
1180                                 counter -= 3.0;
1181                                 busytime_jitter1_max_sample = jitter1_max;
1182                                 busytime_jitter1_min_sample = jitter1_min;
1183                                 jitter1_max = 0.0;
1184                                 jitter1_min = 0.0;
1185                         }
1186                 }
1187
1188                 /*
1189                         Debug info for client
1190                 */
1191                 {
1192                         static float counter = 0.0;
1193                         counter -= dtime;
1194                         if(counter < 0)
1195                         {
1196                                 counter = 30.0;
1197                                 client.printDebugInfo(std::cout);
1198                         }
1199                 }
1200
1201                 /*
1202                         Profiler
1203                 */
1204                 float profiler_print_interval =
1205                                 g_settings.getFloat("profiler_print_interval");
1206                 if(profiler_print_interval != 0)
1207                 {
1208                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1209                         {
1210                                 dstream<<"Profiler:"<<std::endl;
1211                                 g_profiler.print(dstream);
1212                                 g_profiler.clear();
1213                         }
1214                 }
1215
1216                 /*
1217                         Direct handling of user input
1218                 */
1219
1220                 // Reset input if window not active or some menu is active
1221                 if(device->isWindowActive() == false || noMenuActive() == false)
1222                 {
1223                         input->clear();
1224                 }
1225
1226                 // Input handler step() (used by the random input generator)
1227                 input->step(dtime);
1228
1229                 /*
1230                         Launch menus according to keys
1231                 */
1232                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1233                 {
1234                         dstream<<DTIME<<"the_game: "
1235                                         <<"Launching inventory"<<std::endl;
1236
1237                         GUIInventoryMenu *menu =
1238                                 new GUIInventoryMenu(guienv, guiroot, -1,
1239                                         &g_menumgr, v2s16(8,7),
1240                                         client.getInventoryContext(),
1241                                         &client);
1242
1243                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1244                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1245                                         "list", "current_player", "main",
1246                                         v2s32(0, 3), v2s32(8, 4)));
1247                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1248                                         "list", "current_player", "craft",
1249                                         v2s32(3, 0), v2s32(3, 3)));
1250                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1251                                         "list", "current_player", "craftresult",
1252                                         v2s32(7, 1), v2s32(1, 1)));
1253
1254                         menu->setDrawSpec(draw_spec);
1255
1256                         menu->drop();
1257                 }
1258                 else if(input->wasKeyDown(KEY_ESCAPE))
1259                 {
1260                         dstream<<DTIME<<"the_game: "
1261                                         <<"Launching pause menu"<<std::endl;
1262                         // It will delete itself by itself
1263                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1264                                         &g_menumgr))->drop();
1265
1266                         // Move mouse cursor on top of the disconnect button
1267                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1268                 }
1269                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1270                 {
1271                         TextDest *dest = new TextDestChat(&client);
1272
1273                         (new GUITextInputMenu(guienv, guiroot, -1,
1274                                         &g_menumgr, dest,
1275                                         L""))->drop();
1276                 }
1277                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1278                 {
1279                         if(g_settings.getBool("free_move"))
1280                         {
1281                                 g_settings.set("free_move","false");
1282                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1283                         }
1284                         else
1285                         {
1286                                 g_settings.set("free_move","true");
1287                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1288                         }
1289                 }
1290                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1291                 {
1292                         if(g_settings.getBool("fast_move"))
1293                         {
1294                                 g_settings.set("fast_move","false");
1295                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1296                         }
1297                         else
1298                         {
1299                                 g_settings.set("fast_move","true");
1300                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1301                         }
1302                 }
1303                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1304                 {
1305                         if(g_settings.getBool("frametime_graph"))
1306                         {
1307                                 g_settings.set("frametime_graph","false");
1308                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1309                         }
1310                         else
1311                         {
1312                                 g_settings.set("frametime_graph","true");
1313                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1314                         }
1315                 }
1316                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1317                 {
1318                         irr::video::IImage* const image = driver->createScreenShot();
1319                         if (image) {
1320                                 irr::c8 filename[256];
1321                                 snprintf(filename, 256, "%s/screenshot_%u.png",
1322                                                  g_settings.get("screenshot_path").c_str(),
1323                                                  device->getTimer()->getRealTime());
1324                                 if (driver->writeImageToFile(image, filename)) {
1325                                         std::wstringstream sstr;
1326                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1327                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1328                                         chat_lines.push_back(ChatLine(sstr.str()));
1329                                 } else{
1330                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1331                                 }
1332                                 image->drop();
1333                         }
1334                 }
1335
1336                 // Item selection with mouse wheel
1337                 {
1338                         s32 wheel = input->getMouseWheel();
1339                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1340                                         hotbar_itemcount-1);
1341
1342                         if(wheel < 0)
1343                         {
1344                                 if(g_selected_item < max_item)
1345                                         g_selected_item++;
1346                                 else
1347                                         g_selected_item = 0;
1348                         }
1349                         else if(wheel > 0)
1350                         {
1351                                 if(g_selected_item > 0)
1352                                         g_selected_item--;
1353                                 else
1354                                         g_selected_item = max_item;
1355                         }
1356                 }
1357
1358                 // Item selection
1359                 for(u16 i=0; i<10; i++)
1360                 {
1361                         s32 keycode = irr::KEY_KEY_1 + i;
1362                         if(i == 9)
1363                                 keycode = irr::KEY_KEY_0;
1364                         if(input->wasKeyDown((irr::EKEY_CODE)keycode))
1365                         {
1366                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1367                                 {
1368                                         g_selected_item = i;
1369
1370                                         dstream<<DTIME<<"Selected item: "
1371                                                         <<g_selected_item<<std::endl;
1372                                 }
1373                         }
1374                 }
1375
1376                 // Viewing range selection
1377                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1378                 {
1379                         if(draw_control.range_all)
1380                         {
1381                                 draw_control.range_all = false;
1382                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1383                         }
1384                         else
1385                         {
1386                                 draw_control.range_all = true;
1387                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1388                         }
1389                 }
1390
1391                 // Print debug stacks
1392                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1393                 {
1394                         dstream<<"-----------------------------------------"
1395                                         <<std::endl;
1396                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1397                         dstream<<"-----------------------------------------"
1398                                         <<std::endl;
1399                         debug_stacks_print();
1400                 }
1401
1402                 /*
1403                         Player speed control
1404                         TODO: Cache the keycodes from getKeySetting
1405                 */
1406
1407                 {
1408                         /*bool a_up,
1409                         bool a_down,
1410                         bool a_left,
1411                         bool a_right,
1412                         bool a_jump,
1413                         bool a_superspeed,
1414                         bool a_sneak,
1415                         float a_pitch,
1416                         float a_yaw*/
1417                         PlayerControl control(
1418                                 input->isKeyDown(getKeySetting("keymap_forward")),
1419                                 input->isKeyDown(getKeySetting("keymap_backward")),
1420                                 input->isKeyDown(getKeySetting("keymap_left")),
1421                                 input->isKeyDown(getKeySetting("keymap_right")),
1422                                 input->isKeyDown(getKeySetting("keymap_jump")),
1423                                 input->isKeyDown(getKeySetting("keymap_special1")),
1424                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1425                                 camera_pitch,
1426                                 camera_yaw
1427                         );
1428                         client.setPlayerControl(control);
1429                 }
1430
1431                 /*
1432                         Run server
1433                 */
1434
1435                 if(server != NULL)
1436                 {
1437                         //TimeTaker timer("server->step(dtime)");
1438                         server->step(dtime);
1439                 }
1440
1441                 /*
1442                         Process environment
1443                 */
1444
1445                 {
1446                         //TimeTaker timer("client.step(dtime)");
1447                         client.step(dtime);
1448                         //client.step(dtime_avg1);
1449                 }
1450
1451                 // Read client events
1452                 for(;;)
1453                 {
1454                         ClientEvent event = client.getClientEvent();
1455                         if(event.type == CE_NONE)
1456                         {
1457                                 break;
1458                         }
1459                         else if(event.type == CE_PLAYER_DAMAGE)
1460                         {
1461                                 //u16 damage = event.player_damage.amount;
1462                                 //dstream<<"Player damage: "<<damage<<std::endl;
1463                                 damage_flash_timer = 0.05;
1464                         }
1465                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1466                         {
1467                                 camera_yaw = event.player_force_move.yaw;
1468                                 camera_pitch = event.player_force_move.pitch;
1469                         }
1470                 }
1471
1472                 // Get player position
1473                 v3f player_position = client.getPlayerPosition();
1474
1475                 //TimeTaker //timer2("//timer2");
1476
1477                 /*
1478                         Mouse and camera control
1479                 */
1480
1481                 if((device->isWindowActive() && noMenuActive()) || random_input)
1482                 {
1483                         if(!random_input)
1484                         {
1485                                 // Mac OSX gets upset if this is set every frame
1486                                 if(device->getCursorControl()->isVisible())
1487                                         device->getCursorControl()->setVisible(false);
1488                         }
1489
1490                         if(first_loop_after_window_activation){
1491                                 //std::cout<<"window active, first loop"<<std::endl;
1492                                 first_loop_after_window_activation = false;
1493                         }
1494                         else{
1495                                 s32 dx = input->getMousePos().X - displaycenter.X;
1496                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1497                                 if(invert_mouse)
1498                                         dy = -dy;
1499                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1500
1501                                 /*const float keyspeed = 500;
1502                                 if(input->isKeyDown(irr::KEY_UP))
1503                                         dy -= dtime * keyspeed;
1504                                 if(input->isKeyDown(irr::KEY_DOWN))
1505                                         dy += dtime * keyspeed;
1506                                 if(input->isKeyDown(irr::KEY_LEFT))
1507                                         dx -= dtime * keyspeed;
1508                                 if(input->isKeyDown(irr::KEY_RIGHT))
1509                                         dx += dtime * keyspeed;*/
1510
1511                                 camera_yaw -= dx*0.2;
1512                                 camera_pitch += dy*0.2;
1513                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1514                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1515                         }
1516                         input->setMousePos(displaycenter.X, displaycenter.Y);
1517                 }
1518                 else{
1519                         // Mac OSX gets upset if this is set every frame
1520                         if(device->getCursorControl()->isVisible() == false)
1521                                 device->getCursorControl()->setVisible(true);
1522
1523                         //std::cout<<"window inactive"<<std::endl;
1524                         first_loop_after_window_activation = true;
1525                 }
1526
1527                 camera_yaw = wrapDegrees(camera_yaw);
1528                 camera_pitch = wrapDegrees(camera_pitch);
1529
1530                 v3f camera_direction = v3f(0,0,1);
1531                 camera_direction.rotateYZBy(camera_pitch);
1532                 camera_direction.rotateXZBy(camera_yaw);
1533
1534                 // This is at the height of the eyes of the current figure
1535                 //v3f camera_position = player_position + v3f(0, BS+BS/2, 0);
1536                 // This is more like in minecraft
1537                 v3f camera_position = player_position + v3f(0, BS+BS*0.625, 0);
1538
1539                 camera->setPosition(camera_position);
1540                 // *100.0 helps in large map coordinates
1541                 camera->setTarget(camera_position + camera_direction * 100.0);
1542
1543                 if(FIELD_OF_VIEW_TEST){
1544                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1545                 }
1546                 else{
1547                         //TimeTaker timer("client.updateCamera");
1548                         client.updateCamera(camera_position, camera_direction);
1549                 }
1550
1551                 //timer2.stop();
1552                 //TimeTaker //timer3("//timer3");
1553
1554                 /*
1555                         Calculate what block is the crosshair pointing to
1556                 */
1557
1558                 //u32 t1 = device->getTimer()->getRealTime();
1559
1560                 //f32 d = 4; // max. distance
1561                 f32 d = 4; // max. distance
1562                 core::line3d<f32> shootline(camera_position,
1563                                 camera_position + camera_direction * BS * (d+1));
1564
1565                 MapBlockObject *selected_object = client.getSelectedObject
1566                                 (d*BS, camera_position, shootline);
1567
1568                 ClientActiveObject *selected_active_object
1569                                 = client.getSelectedActiveObject
1570                                         (d*BS, camera_position, shootline);
1571
1572                 if(selected_object != NULL)
1573                 {
1574                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1575
1576                         core::aabbox3d<f32> box_on_map
1577                                         = selected_object->getSelectionBoxOnMap();
1578
1579                         hilightboxes.push_back(box_on_map);
1580
1581                         infotext = narrow_to_wide(selected_object->infoText());
1582
1583                         if(input->getLeftClicked())
1584                         {
1585                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1586                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1587                                                 selected_object->getId(), g_selected_item);
1588                         }
1589                         else if(input->getRightClicked())
1590                         {
1591                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1592                                 /*
1593                                         Check if we want to modify the object ourselves
1594                                 */
1595                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1596                                 {
1597                                         dstream<<"Sign object right-clicked"<<std::endl;
1598
1599                                         if(random_input == false)
1600                                         {
1601                                                 // Get a new text for it
1602
1603                                                 TextDest *dest = new TextDestSign(
1604                                                                 selected_object->getBlock()->getPos(),
1605                                                                 selected_object->getId(),
1606                                                                 &client);
1607
1608                                                 SignObject *sign_object = (SignObject*)selected_object;
1609
1610                                                 std::wstring wtext =
1611                                                                 narrow_to_wide(sign_object->getText());
1612
1613                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1614                                                                 &g_menumgr, dest,
1615                                                                 wtext))->drop();
1616                                         }
1617                                 }
1618                                 /*
1619                                         Otherwise pass the event to the server as-is
1620                                 */
1621                                 else
1622                                 {
1623                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1624                                                         selected_object->getId(), g_selected_item);
1625                                 }
1626                         }
1627                 }
1628                 else if(selected_active_object != NULL)
1629                 {
1630                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1631
1632                         core::aabbox3d<f32> *selection_box
1633                                         = selected_active_object->getSelectionBox();
1634                         // Box should exist because object was returned in the
1635                         // first place
1636                         assert(selection_box);
1637
1638                         v3f pos = selected_active_object->getPosition();
1639
1640                         core::aabbox3d<f32> box_on_map(
1641                                         selection_box->MinEdge + pos,
1642                                         selection_box->MaxEdge + pos
1643                         );
1644
1645                         hilightboxes.push_back(box_on_map);
1646
1647                         //infotext = narrow_to_wide("A ClientActiveObject");
1648                         infotext = narrow_to_wide(selected_active_object->infoText());
1649
1650                         if(input->getLeftClicked())
1651                         {
1652                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1653                                 client.clickActiveObject(0,
1654                                                 selected_active_object->getId(), g_selected_item);
1655                         }
1656                         else if(input->getRightClicked())
1657                         {
1658                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1659                         }
1660                 }
1661                 else // selected_object == NULL
1662                 {
1663
1664                 /*
1665                         Find out which node we are pointing at
1666                 */
1667
1668                 bool nodefound = false;
1669                 v3s16 nodepos;
1670                 v3s16 neighbourpos;
1671                 core::aabbox3d<f32> nodehilightbox;
1672
1673                 getPointedNode(&client, player_position,
1674                                 camera_direction, camera_position,
1675                                 nodefound, shootline,
1676                                 nodepos, neighbourpos,
1677                                 nodehilightbox, d);
1678
1679                 static float nodig_delay_counter = 0.0;
1680
1681                 if(nodefound)
1682                 {
1683                         static v3s16 nodepos_old(-32768,-32768,-32768);
1684
1685                         static float dig_time = 0.0;
1686                         static u16 dig_index = 0;
1687
1688                         /*
1689                                 Visualize selection
1690                         */
1691
1692                         hilightboxes.push_back(nodehilightbox);
1693
1694                         /*
1695                                 Check information text of node
1696                         */
1697
1698                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1699                         if(meta)
1700                         {
1701                                 infotext = narrow_to_wide(meta->infoText());
1702                         }
1703
1704                         //MapNode node = client.getNode(nodepos);
1705
1706                         /*
1707                                 Handle digging
1708                         */
1709
1710                         if(input->getLeftReleased())
1711                         {
1712                                 client.clearTempMod(nodepos);
1713                                 dig_time = 0.0;
1714                         }
1715
1716                         if(nodig_delay_counter > 0.0)
1717                         {
1718                                 nodig_delay_counter -= dtime;
1719                         }
1720                         else
1721                         {
1722                                 if(nodepos != nodepos_old)
1723                                 {
1724                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1725                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1726
1727                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1728                                         {
1729                                                 client.clearTempMod(nodepos_old);
1730                                                 dig_time = 0.0;
1731                                         }
1732                                 }
1733
1734                                 if(input->getLeftClicked() ||
1735                                                 (input->getLeftState() && nodepos != nodepos_old))
1736                                 {
1737                                         dstream<<DTIME<<"Started digging"<<std::endl;
1738                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1739                                 }
1740                                 if(input->getLeftClicked())
1741                                 {
1742                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1743                                 }
1744                                 if(input->getLeftState())
1745                                 {
1746                                         MapNode n = client.getNode(nodepos);
1747
1748                                         // Get tool name. Default is "" = bare hands
1749                                         std::string toolname = "";
1750                                         InventoryList *mlist = local_inventory.getList("main");
1751                                         if(mlist != NULL)
1752                                         {
1753                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1754                                                 if(item && (std::string)item->getName() == "ToolItem")
1755                                                 {
1756                                                         ToolItem *titem = (ToolItem*)item;
1757                                                         toolname = titem->getToolName();
1758                                                 }
1759                                         }
1760
1761                                         // Get digging properties for material and tool
1762                                         content_t material = n.getContent();
1763                                         DiggingProperties prop =
1764                                                         getDiggingProperties(material, toolname);
1765
1766                                         float dig_time_complete = 0.0;
1767
1768                                         if(prop.diggable == false)
1769                                         {
1770                                                 /*dstream<<"Material "<<(int)material
1771                                                                 <<" not diggable with \""
1772                                                                 <<toolname<<"\""<<std::endl;*/
1773                                                 // I guess nobody will wait for this long
1774                                                 dig_time_complete = 10000000.0;
1775                                         }
1776                                         else
1777                                         {
1778                                                 dig_time_complete = prop.time;
1779                                         }
1780
1781                                         if(dig_time_complete >= 0.001)
1782                                         {
1783                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1784                                                                 * dig_time/dig_time_complete);
1785                                         }
1786                                         // This is for torches
1787                                         else
1788                                         {
1789                                                 dig_index = CRACK_ANIMATION_LENGTH;
1790                                         }
1791
1792                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1793                                         {
1794                                                 //TimeTaker timer("client.setTempMod");
1795                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1796                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1797                                         }
1798                                         else
1799                                         {
1800                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1801                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1802                                                 client.clearTempMod(nodepos);
1803                                                 client.removeNode(nodepos);
1804
1805                                                 dig_time = 0;
1806
1807                                                 nodig_delay_counter = dig_time_complete
1808                                                                 / (float)CRACK_ANIMATION_LENGTH;
1809
1810                                                 // We don't want a corresponding delay to
1811                                                 // very time consuming nodes
1812                                                 if(nodig_delay_counter > 0.5)
1813                                                 {
1814                                                         nodig_delay_counter = 0.5;
1815                                                 }
1816                                                 // We want a slight delay to very little
1817                                                 // time consuming nodes
1818                                                 float mindelay = 0.15;
1819                                                 if(nodig_delay_counter < mindelay)
1820                                                 {
1821                                                         nodig_delay_counter = mindelay;
1822                                                 }
1823                                         }
1824
1825                                         dig_time += dtime;
1826                                 }
1827                         }
1828
1829                         if(input->getRightClicked())
1830                         {
1831                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1832
1833                                 // If metadata provides an inventory view, activate it
1834                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1835                                 {
1836                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1837                                         /*
1838                                                 Construct the unique identification string of the node
1839                                         */
1840                                         std::string current_name;
1841                                         current_name += "nodemeta:";
1842                                         current_name += itos(nodepos.X);
1843                                         current_name += ",";
1844                                         current_name += itos(nodepos.Y);
1845                                         current_name += ",";
1846                                         current_name += itos(nodepos.Z);
1847
1848                                         /*
1849                                                 Create menu
1850                                         */
1851
1852                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1853                                         v2s16 invsize =
1854                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1855                                                         draw_spec,
1856                                                         meta->getInventoryDrawSpecString(),
1857                                                         current_name);
1858
1859                                         GUIInventoryMenu *menu =
1860                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1861                                                         &g_menumgr, invsize,
1862                                                         client.getInventoryContext(),
1863                                                         &client);
1864                                         menu->setDrawSpec(draw_spec);
1865                                         menu->drop();
1866                                 }
1867                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1868                                 {
1869                                         dstream<<"Sign node right-clicked"<<std::endl;
1870
1871                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1872
1873                                         // Get a new text for it
1874
1875                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1876
1877                                         std::wstring wtext =
1878                                                         narrow_to_wide(signmeta->getText());
1879
1880                                         (new GUITextInputMenu(guienv, guiroot, -1,
1881                                                         &g_menumgr, dest,
1882                                                         wtext))->drop();
1883                                 }
1884                                 else
1885                                 {
1886                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1887                                 }
1888                         }
1889
1890                         nodepos_old = nodepos;
1891                 }
1892                 else{
1893                 }
1894
1895                 } // selected_object == NULL
1896
1897                 input->resetLeftClicked();
1898                 input->resetRightClicked();
1899
1900                 if(input->getLeftReleased())
1901                 {
1902                         std::cout<<DTIME<<"Left button released (stopped digging)"
1903                                         <<std::endl;
1904                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1905                 }
1906                 if(input->getRightReleased())
1907                 {
1908                         //std::cout<<DTIME<<"Right released"<<std::endl;
1909                         // Nothing here
1910                 }
1911
1912                 input->resetLeftReleased();
1913                 input->resetRightReleased();
1914
1915                 /*
1916                         Calculate stuff for drawing
1917                 */
1918
1919                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
1920
1921                 u32 daynight_ratio = client.getDayNightRatio();
1922                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
1923                 video::SColor bgcolor = video::SColor(
1924                                 255,
1925                                 bgcolor_bright.getRed() * l / 255,
1926                                 bgcolor_bright.getGreen() * l / 255,
1927                                 bgcolor_bright.getBlue() * l / 255);
1928                                 /*skycolor.getRed() * l / 255,
1929                                 skycolor.getGreen() * l / 255,
1930                                 skycolor.getBlue() * l / 255);*/
1931
1932                 float brightness = (float)l/255.0;
1933
1934                 /*
1935                         Update skybox
1936                 */
1937                 if(fabs(brightness - old_brightness) > 0.01)
1938                         update_skybox(driver, smgr, skybox, brightness);
1939
1940                 /*
1941                         Update coulds
1942                 */
1943                 if(clouds)
1944                 {
1945                         clouds->step(dtime);
1946                         clouds->update(v2f(player_position.X, player_position.Z),
1947                                         0.05+brightness*0.95);
1948                 }
1949
1950                 /*
1951                         Update farmesh
1952                 */
1953                 if(farmesh)
1954                 {
1955                         farmesh->step(dtime);
1956                         farmesh->update(v2f(player_position.X, player_position.Z),
1957                                         0.05+brightness*0.95);
1958                 }
1959
1960                 // Store brightness value
1961                 old_brightness = brightness;
1962
1963                 /*
1964                         Fog
1965                 */
1966
1967                 if(g_settings.getBool("enable_fog") == true)
1968                 {
1969                         f32 range;
1970                         if(farmesh)
1971                         {
1972                                 range = BS*farmesh_range;
1973                         }
1974                         else
1975                         {
1976                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
1977                                 if(draw_control.range_all)
1978                                         range = 100000*BS;
1979                                 if(range < 50*BS)
1980                                         range = range * 0.5 + 25*BS;
1981                         }
1982
1983                         driver->setFog(
1984                                 bgcolor,
1985                                 video::EFT_FOG_LINEAR,
1986                                 range*0.4,
1987                                 range*1.0,
1988                                 0.01,
1989                                 false, // pixel fog
1990                                 false // range fog
1991                         );
1992                 }
1993                 else
1994                 {
1995                         driver->setFog(
1996                                 bgcolor,
1997                                 video::EFT_FOG_LINEAR,
1998                                 100000*BS,
1999                                 110000*BS,
2000                                 0.01,
2001                                 false, // pixel fog
2002                                 false // range fog
2003                         );
2004                 }
2005
2006
2007                 /*
2008                         Update gui stuff (0ms)
2009                 */
2010
2011                 //TimeTaker guiupdatetimer("Gui updating");
2012
2013                 {
2014                         static float drawtime_avg = 0;
2015                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2016                         static float beginscenetime_avg = 0;
2017                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2018                         static float scenetime_avg = 0;
2019                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2020                         static float endscenetime_avg = 0;
2021                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
2022
2023                         char temptext[300];
2024                         snprintf(temptext, 300, "Minetest-delta %s ("
2025                                         "R: range_all=%i"
2026                                         ")"
2027                                         " drawtime=%.0f, beginscenetime=%.0f"
2028                                         ", scenetime=%.0f, endscenetime=%.0f",
2029                                         VERSION_STRING,
2030                                         draw_control.range_all,
2031                                         drawtime_avg,
2032                                         beginscenetime_avg,
2033                                         scenetime_avg,
2034                                         endscenetime_avg
2035                                         );
2036
2037                         guitext->setText(narrow_to_wide(temptext).c_str());
2038                 }
2039
2040                 {
2041                         char temptext[300];
2042                         snprintf(temptext, 300,
2043                                         "(% .1f, % .1f, % .1f)"
2044                                         " (% .3f < btime_jitter < % .3f"
2045                                         ", dtime_jitter = % .1f %%"
2046                                         ", v_range = %.1f)",
2047                                         player_position.X/BS,
2048                                         player_position.Y/BS,
2049                                         player_position.Z/BS,
2050                                         busytime_jitter1_min_sample,
2051                                         busytime_jitter1_max_sample,
2052                                         dtime_jitter1_max_fraction * 100.0,
2053                                         draw_control.wanted_range
2054                                         );
2055
2056                         guitext2->setText(narrow_to_wide(temptext).c_str());
2057                 }
2058
2059                 {
2060                         guitext_info->setText(infotext.c_str());
2061                 }
2062
2063                 /*
2064                         Get chat messages from client
2065                 */
2066                 {
2067                         // Get new messages
2068                         std::wstring message;
2069                         while(client.getChatMessage(message))
2070                         {
2071                                 chat_lines.push_back(ChatLine(message));
2072                                 /*if(chat_lines.size() > 6)
2073                                 {
2074                                         core::list<ChatLine>::Iterator
2075                                                         i = chat_lines.begin();
2076                                         chat_lines.erase(i);
2077                                 }*/
2078                         }
2079                         // Append them to form the whole static text and throw
2080                         // it to the gui element
2081                         std::wstring whole;
2082                         // This will correspond to the line number counted from
2083                         // top to bottom, from size-1 to 0
2084                         s16 line_number = chat_lines.size();
2085                         // Count of messages to be removed from the top
2086                         u16 to_be_removed_count = 0;
2087                         for(core::list<ChatLine>::Iterator
2088                                         i = chat_lines.begin();
2089                                         i != chat_lines.end(); i++)
2090                         {
2091                                 // After this, line number is valid for this loop
2092                                 line_number--;
2093                                 // Increment age
2094                                 (*i).age += dtime;
2095                                 /*
2096                                         This results in a maximum age of 60*6 to the
2097                                         lowermost line and a maximum of 6 lines
2098                                 */
2099                                 float allowed_age = (6-line_number) * 60.0;
2100
2101                                 if((*i).age > allowed_age)
2102                                 {
2103                                         to_be_removed_count++;
2104                                         continue;
2105                                 }
2106                                 whole += (*i).text + L'\n';
2107                         }
2108                         for(u16 i=0; i<to_be_removed_count; i++)
2109                         {
2110                                 core::list<ChatLine>::Iterator
2111                                                 it = chat_lines.begin();
2112                                 chat_lines.erase(it);
2113                         }
2114                         guitext_chat->setText(whole.c_str());
2115
2116                         // Update gui element size and position
2117
2118                         /*core::rect<s32> rect(
2119                                         10,
2120                                         screensize.Y - guitext_chat_pad_bottom
2121                                                         - text_height*chat_lines.size(),
2122                                         screensize.X - 10,
2123                                         screensize.Y - guitext_chat_pad_bottom
2124                         );*/
2125                         core::rect<s32> rect(
2126                                         10,
2127                                         50,
2128                                         screensize.X - 10,
2129                                         50 + guitext_chat->getTextHeight()
2130                         );
2131
2132                         guitext_chat->setRelativePosition(rect);
2133
2134                         if(chat_lines.size() == 0)
2135                                 guitext_chat->setVisible(false);
2136                         else
2137                                 guitext_chat->setVisible(true);
2138                 }
2139
2140                 /*
2141                         Inventory
2142                 */
2143
2144                 static u16 old_selected_item = 65535;
2145                 if(client.getLocalInventoryUpdated()
2146                                 || g_selected_item != old_selected_item)
2147                 {
2148                         old_selected_item = g_selected_item;
2149                         //std::cout<<"Updating local inventory"<<std::endl;
2150                         client.getLocalInventory(local_inventory);
2151                 }
2152
2153                 /*
2154                         Send actions returned by the inventory menu
2155                 */
2156                 while(inventory_action_queue.size() != 0)
2157                 {
2158                         InventoryAction *a = inventory_action_queue.pop_front();
2159
2160                         client.sendInventoryAction(a);
2161                         // Eat it
2162                         delete a;
2163                 }
2164
2165                 /*
2166                         Drawing begins
2167                 */
2168
2169                 TimeTaker drawtimer("Drawing");
2170
2171
2172                 {
2173                         TimeTaker timer("beginScene");
2174                         driver->beginScene(true, true, bgcolor);
2175                         //driver->beginScene(false, true, bgcolor);
2176                         beginscenetime = timer.stop(true);
2177                 }
2178
2179                 //timer3.stop();
2180
2181                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2182
2183                 {
2184                         TimeTaker timer("smgr");
2185                         smgr->drawAll();
2186                         scenetime = timer.stop(true);
2187                 }
2188
2189                 {
2190                 //TimeTaker timer9("auxiliary drawings");
2191                 // 0ms
2192
2193                 //timer9.stop();
2194                 //TimeTaker //timer10("//timer10");
2195
2196                 video::SMaterial m;
2197                 //m.Thickness = 10;
2198                 m.Thickness = 3;
2199                 m.Lighting = false;
2200                 driver->setMaterial(m);
2201
2202                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2203
2204                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2205                                 i != hilightboxes.end(); i++)
2206                 {
2207                         /*std::cout<<"hilightbox min="
2208                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2209                                         <<" max="
2210                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2211                                         <<std::endl;*/
2212                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2213                 }
2214
2215                 /*
2216                         Frametime log
2217                 */
2218                 if(g_settings.getBool("frametime_graph") == true)
2219                 {
2220                         s32 x = 10;
2221                         for(core::list<float>::Iterator
2222                                         i = frametime_log.begin();
2223                                         i != frametime_log.end();
2224                                         i++)
2225                         {
2226                                 driver->draw2DLine(v2s32(x,50),
2227                                                 v2s32(x,50+(*i)*1000),
2228                                                 video::SColor(255,255,255,255));
2229                                 x++;
2230                         }
2231                 }
2232
2233                 /*
2234                         Draw crosshair
2235                 */
2236                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2237                                 displaycenter + core::vector2d<s32>(10,0),
2238                                 video::SColor(255,255,255,255));
2239                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2240                                 displaycenter + core::vector2d<s32>(0,10),
2241                                 video::SColor(255,255,255,255));
2242
2243                 } // timer
2244
2245                 //timer10.stop();
2246                 //TimeTaker //timer11("//timer11");
2247
2248                 /*
2249                         Draw gui
2250                 */
2251                 // 0-1ms
2252                 guienv->drawAll();
2253
2254                 /*
2255                         Draw hotbar
2256                 */
2257                 {
2258                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2259                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2260                                         client.getHP());
2261                 }
2262
2263                 /*
2264                         Damage flash
2265                 */
2266                 if(damage_flash_timer > 0.0)
2267                 {
2268                         damage_flash_timer -= dtime;
2269
2270                         video::SColor color(128,255,0,0);
2271                         driver->draw2DRectangle(color,
2272                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2273                                         NULL);
2274                 }
2275
2276                 /*
2277                         Environment post fx
2278                 */
2279                 {
2280                         client.getEnv()->drawPostFx(driver, camera_position);
2281                 }
2282
2283                 /*
2284                         End scene
2285                 */
2286                 {
2287                         TimeTaker timer("endScene");
2288                         endSceneX(driver);
2289                         endscenetime = timer.stop(true);
2290                 }
2291
2292                 drawtime = drawtimer.stop(true);
2293
2294                 /*
2295                         End of drawing
2296                 */
2297
2298                 static s16 lastFPS = 0;
2299                 //u16 fps = driver->getFPS();
2300                 u16 fps = (1.0/dtime_avg1);
2301
2302                 if (lastFPS != fps)
2303                 {
2304                         core::stringw str = L"Minetest [";
2305                         str += driver->getName();
2306                         str += "] FPS=";
2307                         str += fps;
2308
2309                         device->setWindowCaption(str.c_str());
2310                         lastFPS = fps;
2311                 }
2312         }
2313
2314         /*
2315                 Drop stuff
2316         */
2317         if(clouds)
2318                 clouds->drop();
2319
2320         /*
2321                 Draw a "shutting down" screen, which will be shown while the map
2322                 generator and other stuff quits
2323         */
2324         {
2325                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2326                 draw_load_screen(L"Shutting down stuff...", driver, font);
2327                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2328                 guienv->drawAll();
2329                 driver->endScene();
2330                 gui_shuttingdowntext->remove();*/
2331         }
2332 }
2333
2334