src/game.cpp

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