src/game.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "common_irrlicht.h"
  21 #include "game.h"
  22 #include "client.h"
  23 #include "server.h"
  24 #include "guiPauseMenu.h"
  25 #include "guiPasswordChange.h"
  26 #include "guiInventoryMenu.h"
  27 #include "guiTextInputMenu.h"
  28 #include "materials.h"
  29 #include "config.h"
  30 #include "clouds.h"
  31 #include "farmesh.h"
  32 #include "mapblock.h"
  33
  34 /*
  35         TODO: Move content-aware stuff to separate file by adding properties
  36               and virtual interfaces
  37 */
  38 #include "content_mapnode.h"
  39 #include "content_nodemeta.h"
  40
  41 /*
  42         Setting this to 1 enables a special camera mode that forces
  43         the renderers to think that the camera statically points from
  44         the starting place to a static direction.
  45
  46         This allows one to move around with the player and see what
  47         is actually drawn behind solid things and behind the player.
  48 */
  49 #define FIELD_OF_VIEW_TEST 0
  50
  51
  52 MapDrawControl draw_control;
  53
  54 // Chat data
  55 struct ChatLine
  56 {
  57         ChatLine():
  58                 age(0.0)
  59         {
  60         }
  61         ChatLine(const std::wstring &a_text):
  62                 age(0.0),
  63                 text(a_text)
  64         {
  65         }
  66         float age;
  67         std::wstring text;
  68 };
  69
  70 /*
  71         Inventory stuff
  72 */
  73
  74 // Inventory actions from the menu are buffered here before sending
  75 Queue<InventoryAction*> inventory_action_queue;
  76 // This is a copy of the inventory that the client's environment has
  77 Inventory local_inventory;
  78
  79 u16 g_selected_item = 0;
  80
  81 /*
  82         Text input system
  83 */
  84
  85 struct TextDestSign : public TextDest
  86 {
  87         TextDestSign(v3s16 blockpos, s16 id, Client *client)
  88         {
  89                 m_blockpos = blockpos;
  90                 m_id = id;
  91                 m_client = client;
  92         }
  93         void gotText(std::wstring text)
  94         {
  95                 std::string ntext = wide_to_narrow(text);
  96                 dstream<<"Changing text of a sign object: "
  97                                 <<ntext<<std::endl;
  98                 m_client->sendSignText(m_blockpos, m_id, ntext);
  99         }
 100
 101         v3s16 m_blockpos;
 102         s16 m_id;
 103         Client *m_client;
 104 };
 105
 106 struct TextDestChat : public TextDest
 107 {
 108         TextDestChat(Client *client)
 109         {
 110                 m_client = client;
 111         }
 112         void gotText(std::wstring text)
 113         {
 114                 // Discard empty line
 115                 if(text == L"")
 116                         return;
 117
 118                 // Send to others
 119                 m_client->sendChatMessage(text);
 120                 // Show locally
 121                 m_client->addChatMessage(text);
 122         }
 123
 124         Client *m_client;
 125 };
 126
 127 struct TextDestSignNode : public TextDest
 128 {
 129         TextDestSignNode(v3s16 p, Client *client)
 130         {
 131                 m_p = p;
 132                 m_client = client;
 133         }
 134         void gotText(std::wstring text)
 135         {
 136                 std::string ntext = wide_to_narrow(text);
 137                 dstream<<"Changing text of a sign node: "
 138                                 <<ntext<<std::endl;
 139                 m_client->sendSignNodeText(m_p, ntext);
 140         }
 141
 142         v3s16 m_p;
 143         Client *m_client;
 144 };
 145
 146 /*
 147         Render distance feedback loop
 148 */
 149 void updateViewingRange(f32 frametime_in, Client *client)
 150 {
 151         if(draw_control.range_all == true)
 152                 return;
 153
 154         static f32 added_frametime = 0;
 155         static s16 added_frames = 0;
 156
 157         added_frametime += frametime_in;
 158         added_frames += 1;
 159
 160         // Actually this counter kind of sucks because frametime is busytime
 161         static f32 counter = 0;
 162         counter -= frametime_in;
 163         if(counter > 0)
 164                 return;
 165         //counter = 0.1;
 166         counter = 0.2;
 167
 168         /*dstream<<__FUNCTION_NAME
 169                         <<": Collected "<<added_frames<<" frames, total of "
 170                         <<added_frametime<<"s."<<std::endl;*/
 171
 172         /*dstream<<"draw_control.blocks_drawn="
 173                         <<draw_control.blocks_drawn
 174                         <<", draw_control.blocks_would_have_drawn="
 175                         <<draw_control.blocks_would_have_drawn
 176                         <<std::endl;*/
 177
 178         float range_min = g_settings.getS16("viewing_range_nodes_min");
 179         float range_max = g_settings.getS16("viewing_range_nodes_max");
 180
 181         // Limit minimum to keep the feedback loop stable
 182         if(range_min < 5)
 183                 range_min = 5;
 184
 185         draw_control.wanted_min_range = range_min;
 186         //draw_control.wanted_max_blocks = (1.5*draw_control.blocks_drawn)+1;
 187         draw_control.wanted_max_blocks = (1.5*draw_control.blocks_would_have_drawn)+1;
 188         if(draw_control.wanted_max_blocks < 10)
 189                 draw_control.wanted_max_blocks = 10;
 190
 191         float block_draw_ratio = 1.0;
 192         if(draw_control.blocks_would_have_drawn != 0)
 193         {
 194                 block_draw_ratio = (float)draw_control.blocks_drawn
 195                         / (float)draw_control.blocks_would_have_drawn;
 196         }
 197
 198         // Calculate the average frametime in the case that all wanted
 199         // blocks had been drawn
 200         f32 frametime = added_frametime / added_frames / block_draw_ratio;
 201
 202         added_frametime = 0.0;
 203         added_frames = 0;
 204
 205         float wanted_fps = g_settings.getFloat("wanted_fps");
 206         float wanted_frametime = 1.0 / wanted_fps;
 207
 208         f32 wanted_frametime_change = wanted_frametime - frametime;
 209         //dstream<<"wanted_frametime_change="<<wanted_frametime_change<<std::endl;
 210
 211         // If needed frametime change is small, just return
 212         if(fabs(wanted_frametime_change) < wanted_frametime*0.4)
 213         {
 214                 //dstream<<"ignoring small wanted_frametime_change"<<std::endl;
 215                 return;
 216         }
 217
 218         float range = draw_control.wanted_range;
 219         float new_range = range;
 220
 221         static s16 range_old = 0;
 222         static f32 frametime_old = 0;
 223
 224         float d_range = range - range_old;
 225         f32 d_frametime = frametime - frametime_old;
 226         // A sane default of 30ms per 50 nodes of range
 227         static f32 time_per_range = 30. / 50;
 228         if(d_range != 0)
 229         {
 230                 time_per_range = d_frametime / d_range;
 231         }
 232
 233         // The minimum allowed calculated frametime-range derivative:
 234         // Practically this sets the maximum speed of changing the range.
 235         // The lower this value, the higher the maximum changing speed.
 236         // A low value here results in wobbly range (0.001)
 237         // A high value here results in slow changing range (0.0025)
 238         // SUGG: This could be dynamically adjusted so that when
 239         //       the camera is turning, this is lower
 240         //float min_time_per_range = 0.0015;
 241         float min_time_per_range = 0.0010;
 242         //float min_time_per_range = 0.05 / range;
 243         if(time_per_range < min_time_per_range)
 244         {
 245                 time_per_range = min_time_per_range;
 246                 //dstream<<"time_per_range="<<time_per_range<<" (min)"<<std::endl;
 247         }
 248         else
 249         {
 250                 //dstream<<"time_per_range="<<time_per_range<<std::endl;
 251         }
 252
 253         f32 wanted_range_change = wanted_frametime_change / time_per_range;
 254         // Dampen the change a bit to kill oscillations
 255         //wanted_range_change *= 0.9;
 256         //wanted_range_change *= 0.75;
 257         wanted_range_change *= 0.5;
 258         //dstream<<"wanted_range_change="<<wanted_range_change<<std::endl;
 259
 260         // If needed range change is very small, just return
 261         if(fabs(wanted_range_change) < 0.001)
 262         {
 263                 //dstream<<"ignoring small wanted_range_change"<<std::endl;
 264                 return;
 265         }
 266
 267         new_range += wanted_range_change;
 268
 269         //float new_range_unclamped = new_range;
 270         if(new_range < range_min)
 271                 new_range = range_min;
 272         if(new_range > range_max)
 273                 new_range = range_max;
 274
 275         /*dstream<<"new_range="<<new_range_unclamped
 276                         <<", clamped to "<<new_range<<std::endl;*/
 277
 278         draw_control.wanted_range = new_range;
 279
 280         range_old = new_range;
 281         frametime_old = frametime;
 282 }
 283
 284 /*
 285         Hotbar draw routine
 286 */
 287 void draw_hotbar(video::IVideoDriver *driver, gui::IGUIFont *font,
 288                 v2s32 centerlowerpos, s32 imgsize, s32 itemcount,
 289                 Inventory *inventory, s32 halfheartcount)
 290 {
 291         InventoryList *mainlist = inventory->getList("main");
 292         if(mainlist == NULL)
 293         {
 294                 dstream<<"WARNING: draw_hotbar(): mainlist == NULL"<<std::endl;
 295                 return;
 296         }
 297
 298         s32 padding = imgsize/12;
 299         //s32 height = imgsize + padding*2;
 300         s32 width = itemcount*(imgsize+padding*2);
 301
 302         // Position of upper left corner of bar
 303         v2s32 pos = centerlowerpos - v2s32(width/2, imgsize+padding*2);
 304
 305         // Draw background color
 306         /*core::rect<s32> barrect(0,0,width,height);
 307         barrect += pos;
 308         video::SColor bgcolor(255,128,128,128);
 309         driver->draw2DRectangle(bgcolor, barrect, NULL);*/
 310
 311         core::rect<s32> imgrect(0,0,imgsize,imgsize);
 312
 313         for(s32 i=0; i<itemcount; i++)
 314         {
 315                 InventoryItem *item = mainlist->getItem(i);
 316
 317                 core::rect<s32> rect = imgrect + pos
 318                                 + v2s32(padding+i*(imgsize+padding*2), padding);
 319
 320                 if(g_selected_item == i)
 321                 {
 322                         video::SColor c_outside(255,255,0,0);
 323                         //video::SColor c_outside(255,0,0,0);
 324                         //video::SColor c_inside(255,192,192,192);
 325                         s32 x1 = rect.UpperLeftCorner.X;
 326                         s32 y1 = rect.UpperLeftCorner.Y;
 327                         s32 x2 = rect.LowerRightCorner.X;
 328                         s32 y2 = rect.LowerRightCorner.Y;
 329                         // Black base borders
 330                         driver->draw2DRectangle(c_outside,
 331                                         core::rect<s32>(
 332                                                 v2s32(x1 - padding, y1 - padding),
 333                                                 v2s32(x2 + padding, y1)
 334                                         ), NULL);
 335                         driver->draw2DRectangle(c_outside,
 336                                         core::rect<s32>(
 337                                                 v2s32(x1 - padding, y2),
 338                                                 v2s32(x2 + padding, y2 + padding)
 339                                         ), NULL);
 340                         driver->draw2DRectangle(c_outside,
 341                                         core::rect<s32>(
 342                                                 v2s32(x1 - padding, y1),
 343                                                 v2s32(x1, y2)
 344                                         ), NULL);
 345                         driver->draw2DRectangle(c_outside,
 346                                         core::rect<s32>(
 347                                                 v2s32(x2, y1),
 348                                                 v2s32(x2 + padding, y2)
 349                                         ), NULL);
 350                         /*// Light inside borders
 351                         driver->draw2DRectangle(c_inside,
 352                                         core::rect<s32>(
 353                                                 v2s32(x1 - padding/2, y1 - padding/2),
 354                                                 v2s32(x2 + padding/2, y1)
 355                                         ), NULL);
 356                         driver->draw2DRectangle(c_inside,
 357                                         core::rect<s32>(
 358                                                 v2s32(x1 - padding/2, y2),
 359                                                 v2s32(x2 + padding/2, y2 + padding/2)
 360                                         ), NULL);
 361                         driver->draw2DRectangle(c_inside,
 362                                         core::rect<s32>(
 363                                                 v2s32(x1 - padding/2, y1),
 364                                                 v2s32(x1, y2)
 365                                         ), NULL);
 366                         driver->draw2DRectangle(c_inside,
 367                                         core::rect<s32>(
 368                                                 v2s32(x2, y1),
 369                                                 v2s32(x2 + padding/2, y2)
 370                                         ), NULL);
 371                         */
 372                 }
 373
 374                 video::SColor bgcolor2(128,0,0,0);
 375                 driver->draw2DRectangle(bgcolor2, rect, NULL);
 376
 377                 if(item != NULL)
 378                 {
 379                         drawInventoryItem(driver, font, item, rect, NULL);
 380                 }
 381         }
 382
 383         /*
 384                 Draw hearts
 385         */
 386         {
 387                 video::ITexture *heart_texture =
 388                                 driver->getTexture(getTexturePath("heart.png").c_str());
 389                 v2s32 p = pos + v2s32(0, -20);
 390                 for(s32 i=0; i<halfheartcount/2; i++)
 391                 {
 392                         const video::SColor color(255,255,255,255);
 393                         const video::SColor colors[] = {color,color,color,color};
 394                         core::rect<s32> rect(0,0,16,16);
 395                         rect += p;
 396                         driver->draw2DImage(heart_texture, rect,
 397                                 core::rect<s32>(core::position2d<s32>(0,0),
 398                                 core::dimension2di(heart_texture->getOriginalSize())),
 399                                 NULL, colors, true);
 400                         p += v2s32(16,0);
 401                 }
 402                 if(halfheartcount % 2 == 1)
 403                 {
 404                         const video::SColor color(255,255,255,255);
 405                         const video::SColor colors[] = {color,color,color,color};
 406                         core::rect<s32> rect(0,0,16/2,16);
 407                         rect += p;
 408                         core::dimension2di srcd(heart_texture->getOriginalSize());
 409                         srcd.Width /= 2;
 410                         driver->draw2DImage(heart_texture, rect,
 411                                 core::rect<s32>(core::position2d<s32>(0,0), srcd),
 412                                 NULL, colors, true);
 413                         p += v2s32(16,0);
 414                 }
 415         }
 416 }
 417
 418 /*
 419         Find what the player is pointing at
 420 */
 421 void getPointedNode(Client *client, v3f player_position,
 422                 v3f camera_direction, v3f camera_position,
 423                 bool &nodefound, core::line3d<f32> shootline,
 424                 v3s16 &nodepos, v3s16 &neighbourpos,
 425                 core::aabbox3d<f32> &nodehilightbox,
 426                 f32 d)
 427 {
 428         f32 mindistance = BS * 1001;
 429
 430         v3s16 pos_i = floatToInt(player_position, BS);
 431
 432         /*std::cout<<"pos_i=("<<pos_i.X<<","<<pos_i.Y<<","<<pos_i.Z<<")"
 433                         <<std::endl;*/
 434
 435         s16 a = d;
 436         s16 ystart = pos_i.Y + 0 - (camera_direction.Y<0 ? a : 1);
 437         s16 zstart = pos_i.Z - (camera_direction.Z<0 ? a : 1);
 438         s16 xstart = pos_i.X - (camera_direction.X<0 ? a : 1);
 439         s16 yend = pos_i.Y + 1 + (camera_direction.Y>0 ? a : 1);
 440         s16 zend = pos_i.Z + (camera_direction.Z>0 ? a : 1);
 441         s16 xend = pos_i.X + (camera_direction.X>0 ? a : 1);
 442
 443         for(s16 y = ystart; y <= yend; y++)
 444         for(s16 z = zstart; z <= zend; z++)
 445         for(s16 x = xstart; x <= xend; x++)
 446         {
 447                 MapNode n;
 448                 try
 449                 {
 450                         n = client->getNode(v3s16(x,y,z));
 451                         if(content_pointable(n.getContent()) == false)
 452                                 continue;
 453                 }
 454                 catch(InvalidPositionException &e)
 455                 {
 456                         continue;
 457                 }
 458
 459                 v3s16 np(x,y,z);
 460                 v3f npf = intToFloat(np, BS);
 461
 462                 f32 d = 0.01;
 463
 464                 v3s16 dirs[6] = {
 465                         v3s16(0,0,1), // back
 466                         v3s16(0,1,0), // top
 467                         v3s16(1,0,0), // right
 468                         v3s16(0,0,-1), // front
 469                         v3s16(0,-1,0), // bottom
 470                         v3s16(-1,0,0), // left
 471                 };
 472
 473                 /*
 474                         Meta-objects
 475                 */
 476                 if(n.getContent() == CONTENT_TORCH)
 477                 {
 478                         v3s16 dir = unpackDir(n.param2);
 479                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 480                         dir_f *= BS/2 - BS/6 - BS/20;
 481                         v3f cpf = npf + dir_f;
 482                         f32 distance = (cpf - camera_position).getLength();
 483
 484                         core::aabbox3d<f32> box;
 485
 486                         // bottom
 487                         if(dir == v3s16(0,-1,0))
 488                         {
 489                                 box = core::aabbox3d<f32>(
 490                                         npf - v3f(BS/6, BS/2, BS/6),
 491                                         npf + v3f(BS/6, -BS/2+BS/3*2, BS/6)
 492                                 );
 493                         }
 494                         // top
 495                         else if(dir == v3s16(0,1,0))
 496                         {
 497                                 box = core::aabbox3d<f32>(
 498                                         npf - v3f(BS/6, -BS/2+BS/3*2, BS/6),
 499                                         npf + v3f(BS/6, BS/2, BS/6)
 500                                 );
 501                         }
 502                         // side
 503                         else
 504                         {
 505                                 box = core::aabbox3d<f32>(
 506                                         cpf - v3f(BS/6, BS/3, BS/6),
 507                                         cpf + v3f(BS/6, BS/3, BS/6)
 508                                 );
 509                         }
 510
 511                         if(distance < mindistance)
 512                         {
 513                                 if(box.intersectsWithLine(shootline))
 514                                 {
 515                                         nodefound = true;
 516                                         nodepos = np;
 517                                         neighbourpos = np;
 518                                         mindistance = distance;
 519                                         nodehilightbox = box;
 520                                 }
 521                         }
 522                 }
 523                 else if(n.getContent() == CONTENT_SIGN_WALL)
 524                 {
 525                         v3s16 dir = unpackDir(n.param2);
 526                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 527                         dir_f *= BS/2 - BS/6 - BS/20;
 528                         v3f cpf = npf + dir_f;
 529                         f32 distance = (cpf - camera_position).getLength();
 530
 531                         v3f vertices[4] =
 532                         {
 533                                 v3f(BS*0.42,-BS*0.35,-BS*0.4),
 534                                 v3f(BS*0.49, BS*0.35, BS*0.4),
 535                         };
 536
 537                         for(s32 i=0; i<2; i++)
 538                         {
 539                                 if(dir == v3s16(1,0,0))
 540                                         vertices[i].rotateXZBy(0);
 541                                 if(dir == v3s16(-1,0,0))
 542                                         vertices[i].rotateXZBy(180);
 543                                 if(dir == v3s16(0,0,1))
 544                                         vertices[i].rotateXZBy(90);
 545                                 if(dir == v3s16(0,0,-1))
 546                                         vertices[i].rotateXZBy(-90);
 547                                 if(dir == v3s16(0,-1,0))
 548                                         vertices[i].rotateXYBy(-90);
 549                                 if(dir == v3s16(0,1,0))
 550                                         vertices[i].rotateXYBy(90);
 551
 552                                 vertices[i] += npf;
 553                         }
 554
 555                         core::aabbox3d<f32> box;
 556
 557                         box = core::aabbox3d<f32>(vertices[0]);
 558                         box.addInternalPoint(vertices[1]);
 559
 560                         if(distance < mindistance)
 561                         {
 562                                 if(box.intersectsWithLine(shootline))
 563                                 {
 564                                         nodefound = true;
 565                                         nodepos = np;
 566                                         neighbourpos = np;
 567                                         mindistance = distance;
 568                                         nodehilightbox = box;
 569                                 }
 570                         }
 571                 }
 572
 573                 else if(n.getContent() == CONTENT_LADDER)
 574                 {
 575                         v3s16 dir = unpackDir(n.param2);
 576                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 577                         dir_f *= BS/2 - BS/6 - BS/20;
 578                         v3f cpf = npf + dir_f;
 579                         f32 distance = (cpf - camera_position).getLength();
 580
 581                         v3f vertices[4] =
 582                         {
 583                                 v3f(BS*0.42,-BS/2,-BS/2),
 584                                 v3f(BS*0.49, BS/2, BS/2),
 585                         };
 586
 587                         for(s32 i=0; i<2; i++)
 588                         {
 589                                 if(dir == v3s16(1,0,0))
 590                                         vertices[i].rotateXZBy(0);
 591                                 if(dir == v3s16(-1,0,0))
 592                                         vertices[i].rotateXZBy(180);
 593                                 if(dir == v3s16(0,0,1))
 594                                         vertices[i].rotateXZBy(90);
 595                                 if(dir == v3s16(0,0,-1))
 596                                         vertices[i].rotateXZBy(-90);
 597                                 if(dir == v3s16(0,-1,0))
 598                                         vertices[i].rotateXYBy(-90);
 599                                 if(dir == v3s16(0,1,0))
 600                                         vertices[i].rotateXYBy(90);
 601
 602                                 vertices[i] += npf;
 603                         }
 604
 605                         core::aabbox3d<f32> box;
 606
 607                         box = core::aabbox3d<f32>(vertices[0]);
 608                         box.addInternalPoint(vertices[1]);
 609
 610                         if(distance < mindistance)
 611                         {
 612                                 if(box.intersectsWithLine(shootline))
 613                                 {
 614                                         nodefound = true;
 615                                         nodepos = np;
 616                                         neighbourpos = np;
 617                                         mindistance = distance;
 618                                         nodehilightbox = box;
 619                                 }
 620                         }
 621                 }
 622                 else if(n.getContent() == CONTENT_RAIL)
 623                 {
 624                         v3s16 dir = unpackDir(n.param0);
 625                         v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 626                         dir_f *= BS/2 - BS/6 - BS/20;
 627                         v3f cpf = npf + dir_f;
 628                         f32 distance = (cpf - camera_position).getLength();
 629
 630                         float d = (float)BS/16;
 631                         v3f vertices[4] =
 632                         {
 633                                 v3f(BS/2, -BS/2+d, -BS/2),
 634                                 v3f(-BS/2, -BS/2, BS/2),
 635                         };
 636
 637                         for(s32 i=0; i<2; i++)
 638                         {
 639                                 vertices[i] += npf;
 640                         }
 641
 642                         core::aabbox3d<f32> box;
 643
 644                         box = core::aabbox3d<f32>(vertices[0]);
 645                         box.addInternalPoint(vertices[1]);
 646
 647                         if(distance < mindistance)
 648                         {
 649                                 if(box.intersectsWithLine(shootline))
 650                                 {
 651                                         nodefound = true;
 652                                         nodepos = np;
 653                                         neighbourpos = np;
 654                                         mindistance = distance;
 655                                         nodehilightbox = box;
 656                                 }
 657                         }
 658                 }
 659                 /*
 660                         Regular blocks
 661                 */
 662                 else
 663                 {
 664                         for(u16 i=0; i<6; i++)
 665                         {
 666                                 v3f dir_f = v3f(dirs[i].X,
 667                                                 dirs[i].Y, dirs[i].Z);
 668                                 v3f centerpoint = npf + dir_f * BS/2;
 669                                 f32 distance =
 670                                                 (centerpoint - camera_position).getLength();
 671
 672                                 if(distance < mindistance)
 673                                 {
 674                                         core::CMatrix4<f32> m;
 675                                         m.buildRotateFromTo(v3f(0,0,1), dir_f);
 676
 677                                         // This is the back face
 678                                         v3f corners[2] = {
 679                                                 v3f(BS/2, BS/2, BS/2),
 680                                                 v3f(-BS/2, -BS/2, BS/2+d)
 681                                         };
 682
 683                                         for(u16 j=0; j<2; j++)
 684                                         {
 685                                                 m.rotateVect(corners[j]);
 686                                                 corners[j] += npf;
 687                                         }
 688
 689                                         core::aabbox3d<f32> facebox(corners[0]);
 690                                         facebox.addInternalPoint(corners[1]);
 691
 692                                         if(facebox.intersectsWithLine(shootline))
 693                                         {
 694                                                 nodefound = true;
 695                                                 nodepos = np;
 696                                                 neighbourpos = np + dirs[i];
 697                                                 mindistance = distance;
 698
 699                                                 //nodehilightbox = facebox;
 700
 701                                                 const float d = 0.502;
 702                                                 core::aabbox3d<f32> nodebox
 703                                                                 (-BS*d, -BS*d, -BS*d, BS*d, BS*d, BS*d);
 704                                                 v3f nodepos_f = intToFloat(nodepos, BS);
 705                                                 nodebox.MinEdge += nodepos_f;
 706                                                 nodebox.MaxEdge += nodepos_f;
 707                                                 nodehilightbox = nodebox;
 708                                         }
 709                                 } // if distance < mindistance
 710                         } // for dirs
 711                 } // regular block
 712         } // for coords
 713 }
 714
 715 void update_skybox(video::IVideoDriver* driver,
 716                 scene::ISceneManager* smgr, scene::ISceneNode* &skybox,
 717                 float brightness)
 718 {
 719         if(skybox)
 720         {
 721                 skybox->remove();
 722         }
 723
 724         /*// Disable skybox if FarMesh is enabled
 725         if(g_settings.getBool("enable_farmesh"))
 726                 return;*/
 727
 728         if(brightness >= 0.5)
 729         {
 730                 skybox = smgr->addSkyBoxSceneNode(
 731                         driver->getTexture(getTexturePath("skybox2.png").c_str()),
 732                         driver->getTexture(getTexturePath("skybox3.png").c_str()),
 733                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 734                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 735                         driver->getTexture(getTexturePath("skybox1.png").c_str()),
 736                         driver->getTexture(getTexturePath("skybox1.png").c_str()));
 737         }
 738         else if(brightness >= 0.2)
 739         {
 740                 skybox = smgr->addSkyBoxSceneNode(
 741                         driver->getTexture(getTexturePath("skybox2_dawn.png").c_str()),
 742                         driver->getTexture(getTexturePath("skybox3_dawn.png").c_str()),
 743                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 744                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 745                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()),
 746                         driver->getTexture(getTexturePath("skybox1_dawn.png").c_str()));
 747         }
 748         else
 749         {
 750                 skybox = smgr->addSkyBoxSceneNode(
 751                         driver->getTexture(getTexturePath("skybox2_night.png").c_str()),
 752                         driver->getTexture(getTexturePath("skybox3_night.png").c_str()),
 753                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 754                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 755                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()),
 756                         driver->getTexture(getTexturePath("skybox1_night.png").c_str()));
 757         }
 758 }
 759
 760 /*
 761         Draws a screen with a single text on it.
 762         Text will be removed when the screen is drawn the next time.
 763 */
 764 /*gui::IGUIStaticText **/
 765 void draw_load_screen(const std::wstring &text,
 766                 video::IVideoDriver* driver, gui::IGUIFont* font)
 767 {
 768         v2u32 screensize = driver->getScreenSize();
 769         const wchar_t *loadingtext = text.c_str();
 770         core::vector2d<u32> textsize_u = font->getDimension(loadingtext);
 771         core::vector2d<s32> textsize(textsize_u.X,textsize_u.Y);
 772         core::vector2d<s32> center(screensize.X/2, screensize.Y/2);
 773         core::rect<s32> textrect(center - textsize/2, center + textsize/2);
 774
 775         gui::IGUIStaticText *guitext = guienv->addStaticText(
 776                         loadingtext, textrect, false, false);
 777         guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
 778
 779         driver->beginScene(true, true, video::SColor(255,0,0,0));
 780         guienv->drawAll();
 781         driver->endScene();
 782
 783         guitext->remove();
 784
 785         //return guitext;
 786 }
 787
 788 void the_game(
 789         bool &kill,
 790         bool random_input,
 791         InputHandler *input,
 792         IrrlichtDevice *device,
 793         gui::IGUIFont* font,
 794         std::string map_dir,
 795         std::string playername,
 796         std::string password,
 797         std::string address,
 798         u16 port,
 799         std::wstring &error_message,
 800     std::string configpath
 801 )
 802 {
 803         video::IVideoDriver* driver = device->getVideoDriver();
 804         scene::ISceneManager* smgr = device->getSceneManager();
 805
 806         // Calculate text height using the font
 807         u32 text_height = font->getDimension(L"Random test string").Height;
 808
 809         v2u32 screensize(0,0);
 810         v2u32 last_screensize(0,0);
 811         screensize = driver->getScreenSize();
 812
 813         const s32 hotbar_itemcount = 8;
 814         //const s32 hotbar_imagesize = 36;
 815         //const s32 hotbar_imagesize = 64;
 816         s32 hotbar_imagesize = 48;
 817
 818         // The color of the sky
 819
 820         //video::SColor skycolor = video::SColor(255,140,186,250);
 821
 822         video::SColor bgcolor_bright = video::SColor(255,170,200,230);
 823
 824         /*
 825                 Draw "Loading" screen
 826         */
 827         /*gui::IGUIStaticText *gui_loadingtext = */
 828         //draw_load_screen(L"Loading and connecting...", driver, font);
 829
 830         draw_load_screen(L"Loading...", driver, font);
 831
 832         /*
 833                 Create server.
 834                 SharedPtr will delete it when it goes out of scope.
 835         */
 836         SharedPtr<Server> server;
 837         if(address == ""){
 838                 draw_load_screen(L"Creating server...", driver, font);
 839                 std::cout<<DTIME<<"Creating server"<<std::endl;
 840                 server = new Server(map_dir, configpath);
 841                 server->start(port);
 842         }
 843
 844         /*
 845                 Create client
 846         */
 847
 848         draw_load_screen(L"Creating client...", driver, font);
 849         std::cout<<DTIME<<"Creating client"<<std::endl;
 850         Client client(device, playername.c_str(), password, draw_control);
 851
 852         draw_load_screen(L"Resolving address...", driver, font);
 853         Address connect_address(0,0,0,0, port);
 854         try{
 855                 if(address == "")
 856                         //connect_address.Resolve("localhost");
 857                         connect_address.setAddress(127,0,0,1);
 858                 else
 859                         connect_address.Resolve(address.c_str());
 860         }
 861         catch(ResolveError &e)
 862         {
 863                 std::cout<<DTIME<<"Couldn't resolve address"<<std::endl;
 864                 //return 0;
 865                 error_message = L"Couldn't resolve address";
 866                 //gui_loadingtext->remove();
 867                 return;
 868         }
 869
 870         /*
 871                 Attempt to connect to the server
 872         */
 873
 874         dstream<<DTIME<<"Connecting to server at ";
 875         connect_address.print(&dstream);
 876         dstream<<std::endl;
 877         client.connect(connect_address);
 878
 879         bool could_connect = false;
 880
 881         try{
 882                 float time_counter = 0.0;
 883                 for(;;)
 884                 {
 885                         if(client.connectedAndInitialized())
 886                         {
 887                                 could_connect = true;
 888                                 break;
 889                         }
 890                         if(client.accessDenied())
 891                         {
 892                                 break;
 893                         }
 894                         // Wait for 10 seconds
 895                         if(time_counter >= 10.0)
 896                         {
 897                                 break;
 898                         }
 899
 900                         std::wostringstream ss;
 901                         ss<<L"Connecting to server... (timeout in ";
 902                         ss<<(int)(10.0 - time_counter + 1.0);
 903                         ss<<L" seconds)";
 904                         draw_load_screen(ss.str(), driver, font);
 905
 906                         /*// Update screen
 907                         driver->beginScene(true, true, video::SColor(255,0,0,0));
 908                         guienv->drawAll();
 909                         driver->endScene();*/
 910
 911                         // Update client and server
 912
 913                         client.step(0.1);
 914
 915                         if(server != NULL)
 916                                 server->step(0.1);
 917
 918                         // Delay a bit
 919                         sleep_ms(100);
 920                         time_counter += 0.1;
 921                 }
 922         }
 923         catch(con::PeerNotFoundException &e)
 924         {}
 925
 926         if(could_connect == false)
 927         {
 928                 if(client.accessDenied())
 929                 {
 930                         error_message = L"Access denied. Reason: "
 931                                         +client.accessDeniedReason();
 932                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
 933                 }
 934                 else
 935                 {
 936                         error_message = L"Connection timed out.";
 937                         std::cout<<DTIME<<"Timed out."<<std::endl;
 938                 }
 939                 //gui_loadingtext->remove();
 940                 return;
 941         }
 942
 943         /*
 944                 Create skybox
 945         */
 946         float old_brightness = 1.0;
 947         scene::ISceneNode* skybox = NULL;
 948         update_skybox(driver, smgr, skybox, 1.0);
 949
 950         /*
 951                 Create the camera node
 952         */
 953
 954         scene::ICameraSceneNode* camera = smgr->addCameraSceneNode(
 955                 0, // Camera parent
 956                 v3f(BS*100, BS*2, BS*100), // Look from
 957                 v3f(BS*100+1, BS*2, BS*100), // Look to
 958                 -1 // Camera ID
 959         );
 960
 961         if(camera == NULL)
 962         {
 963                 error_message = L"Failed to create the camera node";
 964                 return;
 965         }
 966
 967         camera->setFOV(FOV_ANGLE);
 968
 969         // Just so big a value that everything rendered is visible
 970         camera->setFarValue(100000*BS);
 971
 972         f32 camera_yaw = 0; // "right/left"
 973         f32 camera_pitch = 0; // "up/down"
 974
 975         /*
 976                 Clouds
 977         */
 978
 979         float cloud_height = BS*100;
 980         Clouds *clouds = NULL;
 981         if(g_settings.getBool("enable_clouds"))
 982         {
 983                 clouds = new Clouds(smgr->getRootSceneNode(), smgr, -1,
 984                                 cloud_height, time(0));
 985         }
 986
 987         /*
 988                 FarMesh
 989         */
 990
 991         FarMesh *farmesh = NULL;
 992         if(g_settings.getBool("enable_farmesh"))
 993         {
 994                 farmesh = new FarMesh(smgr->getRootSceneNode(), smgr, -1, client.getMapSeed(), &client);
 995         }
 996
 997         /*
 998                 Move into game
 999         */
1000
1001         //gui_loadingtext->remove();
1002
1003         /*
1004                 Add some gui stuff
1005         */
1006
1007         // First line of debug text
1008         gui::IGUIStaticText *guitext = guienv->addStaticText(
1009                         L"Minetest-c55",
1010                         core::rect<s32>(5, 5, 795, 5+text_height),
1011                         false, false);
1012         // Second line of debug text
1013         gui::IGUIStaticText *guitext2 = guienv->addStaticText(
1014                         L"",
1015                         core::rect<s32>(5, 5+(text_height+5)*1, 795, (5+text_height)*2),
1016                         false, false);
1017
1018         // At the middle of the screen
1019         // Object infos are shown in this
1020         gui::IGUIStaticText *guitext_info = guienv->addStaticText(
1021                         L"",
1022                         core::rect<s32>(0,0,400,text_height+5) + v2s32(100,200),
1023                         false, false);
1024
1025         // Chat text
1026         gui::IGUIStaticText *guitext_chat = guienv->addStaticText(
1027                         L"",
1028                         core::rect<s32>(0,0,0,0),
1029                         //false, false); // Disable word wrap as of now
1030                         false, true);
1031         //guitext_chat->setBackgroundColor(video::SColor(96,0,0,0));
1032         core::list<ChatLine> chat_lines;
1033
1034         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
1035                         (guienv, NULL, v2s32(10, 70), 5, &local_inventory);*/
1036         /*GUIQuickInventory *quick_inventory = new GUIQuickInventory
1037                         (guienv, NULL, v2s32(0, 0), quickinv_itemcount, &local_inventory);*/
1038
1039         // Test the text input system
1040         /*(new GUITextInputMenu(guienv, guiroot, -1, &g_menumgr,
1041                         NULL))->drop();*/
1042         /*GUIMessageMenu *menu =
1043                         new GUIMessageMenu(guienv, guiroot, -1,
1044                                 &g_menumgr,
1045                                 L"Asd");
1046         menu->drop();*/
1047
1048         // Launch pause menu
1049         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1050                         &g_menumgr))->drop();
1051
1052         // Enable texts
1053         /*guitext2->setVisible(true);
1054         guitext_info->setVisible(true);
1055         guitext_chat->setVisible(true);*/
1056
1057         //s32 guitext_chat_pad_bottom = 70;
1058
1059         /*
1060                 Some statistics are collected in these
1061         */
1062         u32 drawtime = 0;
1063         u32 beginscenetime = 0;
1064         u32 scenetime = 0;
1065         u32 endscenetime = 0;
1066
1067         // A test
1068         //throw con::PeerNotFoundException("lol");
1069
1070         core::list<float> frametime_log;
1071
1072         float damage_flash_timer = 0;
1073         s16 farmesh_range = 20*MAP_BLOCKSIZE;
1074
1075         bool invert_mouse = g_settings.getBool("invert_mouse");
1076
1077         /*
1078                 Main loop
1079         */
1080
1081         bool first_loop_after_window_activation = true;
1082
1083         // TODO: Convert the static interval timers to these
1084         // Interval limiter for profiler
1085         IntervalLimiter m_profiler_interval;
1086
1087         // Time is in milliseconds
1088         // NOTE: getRealTime() causes strange problems in wine (imprecision?)
1089         // NOTE: So we have to use getTime() and call run()s between them
1090         u32 lasttime = device->getTimer()->getTime();
1091
1092         while(device->run() && kill == false)
1093         {
1094                 //std::cerr<<"frame"<<std::endl;
1095
1096                 if(client.accessDenied())
1097                 {
1098                         error_message = L"Access denied. Reason: "
1099                                         +client.accessDeniedReason();
1100                         std::cout<<DTIME<<wide_to_narrow(error_message)<<std::endl;
1101                         break;
1102                 }
1103
1104                 if(g_gamecallback->disconnect_requested)
1105                 {
1106                         g_gamecallback->disconnect_requested = false;
1107                         break;
1108                 }
1109
1110                 if(g_gamecallback->changepassword_requested)
1111                 {
1112                         (new GUIPasswordChange(guienv, guiroot, -1,
1113                                 &g_menumgr, &client))->drop();
1114                         g_gamecallback->changepassword_requested = false;
1115                 }
1116
1117                 /*
1118                         Process TextureSource's queue
1119                 */
1120                 ((TextureSource*)g_texturesource)->processQueue();
1121
1122                 /*
1123                         Random calculations
1124                 */
1125                 last_screensize = screensize;
1126                 screensize = driver->getScreenSize();
1127                 v2s32 displaycenter(screensize.X/2,screensize.Y/2);
1128                 //bool screensize_changed = screensize != last_screensize;
1129
1130                 // Resize hotbar
1131                 if(screensize.Y <= 800)
1132                         hotbar_imagesize = 32;
1133                 else if(screensize.Y <= 1280)
1134                         hotbar_imagesize = 48;
1135                 else
1136                         hotbar_imagesize = 64;
1137
1138                 // Hilight boxes collected during the loop and displayed
1139                 core::list< core::aabbox3d<f32> > hilightboxes;
1140
1141                 // Info text
1142                 std::wstring infotext;
1143
1144                 // When screen size changes, update positions and sizes of stuff
1145                 /*if(screensize_changed)
1146                 {
1147                         v2s32 pos(displaycenter.X-((quickinv_itemcount-1)*quickinv_spacing+quickinv_size)/2, screensize.Y-quickinv_spacing);
1148                         quick_inventory->updatePosition(pos);
1149                 }*/
1150
1151                 //TimeTaker //timer1("//timer1");
1152
1153                 // Time of frame without fps limit
1154                 float busytime;
1155                 u32 busytime_u32;
1156                 {
1157                         // not using getRealTime is necessary for wine
1158                         u32 time = device->getTimer()->getTime();
1159                         if(time > lasttime)
1160                                 busytime_u32 = time - lasttime;
1161                         else
1162                                 busytime_u32 = 0;
1163                         busytime = busytime_u32 / 1000.0;
1164                 }
1165
1166                 //std::cout<<"busytime_u32="<<busytime_u32<<std::endl;
1167
1168                 // Necessary for device->getTimer()->getTime()
1169                 device->run();
1170
1171                 /*
1172                         Viewing range
1173                 */
1174
1175                 updateViewingRange(busytime, &client);
1176
1177                 /*
1178                         FPS limiter
1179                 */
1180
1181                 {
1182                         float fps_max = g_settings.getFloat("fps_max");
1183                         u32 frametime_min = 1000./fps_max;
1184
1185                         if(busytime_u32 < frametime_min)
1186                         {
1187                                 u32 sleeptime = frametime_min - busytime_u32;
1188                                 device->sleep(sleeptime);
1189                         }
1190                 }
1191
1192                 // Necessary for device->getTimer()->getTime()
1193                 device->run();
1194
1195                 /*
1196                         Time difference calculation
1197                 */
1198                 f32 dtime; // in seconds
1199
1200                 u32 time = device->getTimer()->getTime();
1201                 if(time > lasttime)
1202                         dtime = (time - lasttime) / 1000.0;
1203                 else
1204                         dtime = 0;
1205                 lasttime = time;
1206
1207                 /*
1208                         Log frametime for visualization
1209                 */
1210                 frametime_log.push_back(dtime);
1211                 if(frametime_log.size() > 100)
1212                 {
1213                         core::list<float>::Iterator i = frametime_log.begin();
1214                         frametime_log.erase(i);
1215                 }
1216
1217                 /*
1218                         Visualize frametime in terminal
1219                 */
1220                 /*for(u32 i=0; i<dtime*400; i++)
1221                         std::cout<<"X";
1222                 std::cout<<std::endl;*/
1223
1224                 /*
1225                         Time average and jitter calculation
1226                 */
1227
1228                 static f32 dtime_avg1 = 0.0;
1229                 dtime_avg1 = dtime_avg1 * 0.96 + dtime * 0.04;
1230                 f32 dtime_jitter1 = dtime - dtime_avg1;
1231
1232                 static f32 dtime_jitter1_max_sample = 0.0;
1233                 static f32 dtime_jitter1_max_fraction = 0.0;
1234                 {
1235                         static f32 jitter1_max = 0.0;
1236                         static f32 counter = 0.0;
1237                         if(dtime_jitter1 > jitter1_max)
1238                                 jitter1_max = dtime_jitter1;
1239                         counter += dtime;
1240                         if(counter > 0.0)
1241                         {
1242                                 counter -= 3.0;
1243                                 dtime_jitter1_max_sample = jitter1_max;
1244                                 dtime_jitter1_max_fraction
1245                                                 = dtime_jitter1_max_sample / (dtime_avg1+0.001);
1246                                 jitter1_max = 0.0;
1247                         }
1248                 }
1249
1250                 /*
1251                         Busytime average and jitter calculation
1252                 */
1253
1254                 static f32 busytime_avg1 = 0.0;
1255                 busytime_avg1 = busytime_avg1 * 0.98 + busytime * 0.02;
1256                 f32 busytime_jitter1 = busytime - busytime_avg1;
1257
1258                 static f32 busytime_jitter1_max_sample = 0.0;
1259                 static f32 busytime_jitter1_min_sample = 0.0;
1260                 {
1261                         static f32 jitter1_max = 0.0;
1262                         static f32 jitter1_min = 0.0;
1263                         static f32 counter = 0.0;
1264                         if(busytime_jitter1 > jitter1_max)
1265                                 jitter1_max = busytime_jitter1;
1266                         if(busytime_jitter1 < jitter1_min)
1267                                 jitter1_min = busytime_jitter1;
1268                         counter += dtime;
1269                         if(counter > 0.0){
1270                                 counter -= 3.0;
1271                                 busytime_jitter1_max_sample = jitter1_max;
1272                                 busytime_jitter1_min_sample = jitter1_min;
1273                                 jitter1_max = 0.0;
1274                                 jitter1_min = 0.0;
1275                         }
1276                 }
1277
1278                 /*
1279                         Debug info for client
1280                 */
1281                 {
1282                         static float counter = 0.0;
1283                         counter -= dtime;
1284                         if(counter < 0)
1285                         {
1286                                 counter = 30.0;
1287                                 client.printDebugInfo(std::cout);
1288                         }
1289                 }
1290
1291                 /*
1292                         Profiler
1293                 */
1294                 float profiler_print_interval =
1295                                 g_settings.getFloat("profiler_print_interval");
1296                 if(profiler_print_interval != 0)
1297                 {
1298                         if(m_profiler_interval.step(0.030, profiler_print_interval))
1299                         {
1300                                 dstream<<"Profiler:"<<std::endl;
1301                                 g_profiler.print(dstream);
1302                                 g_profiler.clear();
1303                         }
1304                 }
1305
1306                 /*
1307                         Direct handling of user input
1308                 */
1309
1310                 // Reset input if window not active or some menu is active
1311                 if(device->isWindowActive() == false || noMenuActive() == false)
1312                 {
1313                         input->clear();
1314                 }
1315
1316                 // Input handler step() (used by the random input generator)
1317                 input->step(dtime);
1318
1319                 /*
1320                         Launch menus according to keys
1321                 */
1322                 if(input->wasKeyDown(getKeySetting("keymap_inventory")))
1323                 {
1324                         dstream<<DTIME<<"the_game: "
1325                                         <<"Launching inventory"<<std::endl;
1326
1327                         GUIInventoryMenu *menu =
1328                                 new GUIInventoryMenu(guienv, guiroot, -1,
1329                                         &g_menumgr, v2s16(8,7),
1330                                         client.getInventoryContext(),
1331                                         &client);
1332
1333                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1334                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1335                                         "list", "current_player", "main",
1336                                         v2s32(0, 3), v2s32(8, 4)));
1337                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1338                                         "list", "current_player", "craft",
1339                                         v2s32(3, 0), v2s32(3, 3)));
1340                         draw_spec.push_back(GUIInventoryMenu::DrawSpec(
1341                                         "list", "current_player", "craftresult",
1342                                         v2s32(7, 1), v2s32(1, 1)));
1343
1344                         menu->setDrawSpec(draw_spec);
1345
1346                         menu->drop();
1347                 }
1348                 else if(input->wasKeyDown(EscapeKey))
1349                 {
1350                         dstream<<DTIME<<"the_game: "
1351                                         <<"Launching pause menu"<<std::endl;
1352                         // It will delete itself by itself
1353                         (new GUIPauseMenu(guienv, guiroot, -1, g_gamecallback,
1354                                         &g_menumgr))->drop();
1355
1356                         // Move mouse cursor on top of the disconnect button
1357                         input->setMousePos(displaycenter.X, displaycenter.Y+25);
1358                 }
1359                 else if(input->wasKeyDown(getKeySetting("keymap_chat")))
1360                 {
1361                         TextDest *dest = new TextDestChat(&client);
1362
1363                         (new GUITextInputMenu(guienv, guiroot, -1,
1364                                         &g_menumgr, dest,
1365                                         L""))->drop();
1366                 }
1367                 else if(input->wasKeyDown(getKeySetting("keymap_cmd")))
1368                 {
1369                         TextDest *dest = new TextDestChat(&client);
1370
1371                         (new GUITextInputMenu(guienv, guiroot, -1,
1372                                         &g_menumgr, dest,
1373                                         L"/"))->drop();
1374                 }
1375                 else if(input->wasKeyDown(getKeySetting("keymap_freemove")))
1376                 {
1377                         if(g_settings.getBool("free_move"))
1378                         {
1379                                 g_settings.set("free_move","false");
1380                                 chat_lines.push_back(ChatLine(L"free_move disabled"));
1381                         }
1382                         else
1383                         {
1384                                 g_settings.set("free_move","true");
1385                                 chat_lines.push_back(ChatLine(L"free_move enabled"));
1386                         }
1387                 }
1388                 else if(input->wasKeyDown(getKeySetting("keymap_fastmove")))
1389                 {
1390                         if(g_settings.getBool("fast_move"))
1391                         {
1392                                 g_settings.set("fast_move","false");
1393                                 chat_lines.push_back(ChatLine(L"fast_move disabled"));
1394                         }
1395                         else
1396                         {
1397                                 g_settings.set("fast_move","true");
1398                                 chat_lines.push_back(ChatLine(L"fast_move enabled"));
1399                         }
1400                 }
1401                 else if(input->wasKeyDown(getKeySetting("keymap_frametime_graph")))
1402                 {
1403                         if(g_settings.getBool("frametime_graph"))
1404                         {
1405                                 g_settings.set("frametime_graph","false");
1406                                 chat_lines.push_back(ChatLine(L"frametime_graph disabled"));
1407                         }
1408                         else
1409                         {
1410                                 g_settings.set("frametime_graph","true");
1411                                 chat_lines.push_back(ChatLine(L"frametime_graph enabled"));
1412                         }
1413                 }
1414                 else if(input->wasKeyDown(getKeySetting("keymap_screenshot")))
1415                 {
1416                         irr::video::IImage* const image = driver->createScreenShot();
1417                         if (image) {
1418                                 irr::c8 filename[256];
1419                                 snprintf(filename, 256, "%s/screenshot_%u.png",
1420                                                  g_settings.get("screenshot_path").c_str(),
1421                                                  device->getTimer()->getRealTime());
1422                                 if (driver->writeImageToFile(image, filename)) {
1423                                         std::wstringstream sstr;
1424                                         sstr<<"Saved screenshot to '"<<filename<<"'";
1425                                         dstream<<"Saved screenshot to '"<<filename<<"'"<<std::endl;
1426                                         chat_lines.push_back(ChatLine(sstr.str()));
1427                                 } else{
1428                                         dstream<<"Failed to save screenshot '"<<filename<<"'"<<std::endl;
1429                                 }
1430                                 image->drop();
1431                         }
1432                 }
1433
1434                 // Item selection with mouse wheel
1435                 {
1436                         s32 wheel = input->getMouseWheel();
1437                         u16 max_item = MYMIN(PLAYER_INVENTORY_SIZE-1,
1438                                         hotbar_itemcount-1);
1439
1440                         if(wheel < 0)
1441                         {
1442                                 if(g_selected_item < max_item)
1443                                         g_selected_item++;
1444                                 else
1445                                         g_selected_item = 0;
1446                         }
1447                         else if(wheel > 0)
1448                         {
1449                                 if(g_selected_item > 0)
1450                                         g_selected_item--;
1451                                 else
1452                                         g_selected_item = max_item;
1453                         }
1454                 }
1455
1456                 // Item selection
1457                 for(u16 i=0; i<10; i++)
1458                 {
1459                         const KeyPress *kp = NumberKey + (i + 1) % 10;
1460                         if(input->wasKeyDown(*kp))
1461                         {
1462                                 if(i < PLAYER_INVENTORY_SIZE && i < hotbar_itemcount)
1463                                 {
1464                                         g_selected_item = i;
1465
1466                                         dstream<<DTIME<<"Selected item: "
1467                                                         <<g_selected_item<<std::endl;
1468                                 }
1469                         }
1470                 }
1471
1472                 // Viewing range selection
1473                 if(input->wasKeyDown(getKeySetting("keymap_rangeselect")))
1474                 {
1475                         if(draw_control.range_all)
1476                         {
1477                                 draw_control.range_all = false;
1478                                 dstream<<DTIME<<"Disabled full viewing range"<<std::endl;
1479                         }
1480                         else
1481                         {
1482                                 draw_control.range_all = true;
1483                                 dstream<<DTIME<<"Enabled full viewing range"<<std::endl;
1484                         }
1485                 }
1486
1487                 // Print debug stacks
1488                 if(input->wasKeyDown(getKeySetting("keymap_print_debug_stacks")))
1489                 {
1490                         dstream<<"-----------------------------------------"
1491                                         <<std::endl;
1492                         dstream<<DTIME<<"Printing debug stacks:"<<std::endl;
1493                         dstream<<"-----------------------------------------"
1494                                         <<std::endl;
1495                         debug_stacks_print();
1496                 }
1497
1498                 /*
1499                         Player speed control
1500                         TODO: Cache the keycodes from getKeySetting
1501                 */
1502
1503                 {
1504                         /*bool a_up,
1505                         bool a_down,
1506                         bool a_left,
1507                         bool a_right,
1508                         bool a_jump,
1509                         bool a_superspeed,
1510                         bool a_sneak,
1511                         float a_pitch,
1512                         float a_yaw*/
1513                         PlayerControl control(
1514                                 input->isKeyDown(getKeySetting("keymap_forward")),
1515                                 input->isKeyDown(getKeySetting("keymap_backward")),
1516                                 input->isKeyDown(getKeySetting("keymap_left")),
1517                                 input->isKeyDown(getKeySetting("keymap_right")),
1518                                 input->isKeyDown(getKeySetting("keymap_jump")),
1519                                 input->isKeyDown(getKeySetting("keymap_special1")),
1520                                 input->isKeyDown(getKeySetting("keymap_sneak")),
1521                                 camera_pitch,
1522                                 camera_yaw
1523                         );
1524                         client.setPlayerControl(control);
1525                 }
1526
1527                 /*
1528                         Run server
1529                 */
1530
1531                 if(server != NULL)
1532                 {
1533                         //TimeTaker timer("server->step(dtime)");
1534                         server->step(dtime);
1535                 }
1536
1537                 /*
1538                         Process environment
1539                 */
1540
1541                 {
1542                         //TimeTaker timer("client.step(dtime)");
1543                         client.step(dtime);
1544                         //client.step(dtime_avg1);
1545                 }
1546
1547                 // Read client events
1548                 for(;;)
1549                 {
1550                         ClientEvent event = client.getClientEvent();
1551                         if(event.type == CE_NONE)
1552                         {
1553                                 break;
1554                         }
1555                         else if(event.type == CE_PLAYER_DAMAGE)
1556                         {
1557                                 //u16 damage = event.player_damage.amount;
1558                                 //dstream<<"Player damage: "<<damage<<std::endl;
1559                                 damage_flash_timer = 0.05;
1560                         }
1561                         else if(event.type == CE_PLAYER_FORCE_MOVE)
1562                         {
1563                                 camera_yaw = event.player_force_move.yaw;
1564                                 camera_pitch = event.player_force_move.pitch;
1565                         }
1566                 }
1567
1568                 // Get player position
1569                 v3f camera_position;
1570                 v3f player_position = client.getPlayerPosition(&camera_position);
1571
1572                 //TimeTaker //timer2("//timer2");
1573
1574                 /*
1575                         Mouse and camera control
1576                 */
1577
1578                 if((device->isWindowActive() && noMenuActive()) || random_input)
1579                 {
1580                         if(!random_input)
1581                         {
1582                                 // Mac OSX gets upset if this is set every frame
1583                                 if(device->getCursorControl()->isVisible())
1584                                         device->getCursorControl()->setVisible(false);
1585                         }
1586
1587                         if(first_loop_after_window_activation){
1588                                 //std::cout<<"window active, first loop"<<std::endl;
1589                                 first_loop_after_window_activation = false;
1590                         }
1591                         else{
1592                                 s32 dx = input->getMousePos().X - displaycenter.X;
1593                                 s32 dy = input->getMousePos().Y - displaycenter.Y;
1594                                 if(invert_mouse)
1595                                         dy = -dy;
1596                                 //std::cout<<"window active, pos difference "<<dx<<","<<dy<<std::endl;
1597
1598                                 /*const float keyspeed = 500;
1599                                 if(input->isKeyDown(irr::KEY_UP))
1600                                         dy -= dtime * keyspeed;
1601                                 if(input->isKeyDown(irr::KEY_DOWN))
1602                                         dy += dtime * keyspeed;
1603                                 if(input->isKeyDown(irr::KEY_LEFT))
1604                                         dx -= dtime * keyspeed;
1605                                 if(input->isKeyDown(irr::KEY_RIGHT))
1606                                         dx += dtime * keyspeed;*/
1607
1608                                 camera_yaw -= dx*0.2;
1609                                 camera_pitch += dy*0.2;
1610                                 if(camera_pitch < -89.5) camera_pitch = -89.5;
1611                                 if(camera_pitch > 89.5) camera_pitch = 89.5;
1612                         }
1613                         input->setMousePos(displaycenter.X, displaycenter.Y);
1614                 }
1615                 else{
1616                         // Mac OSX gets upset if this is set every frame
1617                         if(device->getCursorControl()->isVisible() == false)
1618                                 device->getCursorControl()->setVisible(true);
1619
1620                         //std::cout<<"window inactive"<<std::endl;
1621                         first_loop_after_window_activation = true;
1622                 }
1623
1624                 camera_yaw = wrapDegrees(camera_yaw);
1625                 camera_pitch = wrapDegrees(camera_pitch);
1626
1627                 v3f camera_direction = v3f(0,0,1);
1628                 camera_direction.rotateYZBy(camera_pitch);
1629                 camera_direction.rotateXZBy(camera_yaw);
1630
1631                 camera->setPosition(camera_position);
1632                 // *100.0 helps in large map coordinates
1633                 camera->setTarget(camera_position + camera_direction * 100.0);
1634
1635                 if(FIELD_OF_VIEW_TEST){
1636                         client.updateCamera(v3f(0,0,0), v3f(0,0,1));
1637                 }
1638                 else{
1639                         //TimeTaker timer("client.updateCamera");
1640                         client.updateCamera(camera_position, camera_direction);
1641                 }
1642
1643                 //timer2.stop();
1644                 //TimeTaker //timer3("//timer3");
1645
1646                 /*
1647                         Calculate what block is the crosshair pointing to
1648                 */
1649
1650                 //u32 t1 = device->getTimer()->getRealTime();
1651
1652                 //f32 d = 4; // max. distance
1653                 f32 d = 4; // max. distance
1654                 core::line3d<f32> shootline(camera_position,
1655                                 camera_position + camera_direction * BS * (d+1));
1656
1657                 MapBlockObject *selected_object = client.getSelectedObject
1658                                 (d*BS, camera_position, shootline);
1659
1660                 ClientActiveObject *selected_active_object
1661                                 = client.getSelectedActiveObject
1662                                         (d*BS, camera_position, shootline);
1663
1664                 if(selected_object != NULL)
1665                 {
1666                         //dstream<<"Client returned selected_object != NULL"<<std::endl;
1667
1668                         core::aabbox3d<f32> box_on_map
1669                                         = selected_object->getSelectionBoxOnMap();
1670
1671                         hilightboxes.push_back(box_on_map);
1672
1673                         infotext = narrow_to_wide(selected_object->infoText());
1674
1675                         if(input->getLeftClicked())
1676                         {
1677                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1678                                 client.clickObject(0, selected_object->getBlock()->getPos(),
1679                                                 selected_object->getId(), g_selected_item);
1680                         }
1681                         else if(input->getRightClicked())
1682                         {
1683                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1684                                 /*
1685                                         Check if we want to modify the object ourselves
1686                                 */
1687                                 if(selected_object->getTypeId() == MAPBLOCKOBJECT_TYPE_SIGN)
1688                                 {
1689                                         dstream<<"Sign object right-clicked"<<std::endl;
1690
1691                                         if(random_input == false)
1692                                         {
1693                                                 // Get a new text for it
1694
1695                                                 TextDest *dest = new TextDestSign(
1696                                                                 selected_object->getBlock()->getPos(),
1697                                                                 selected_object->getId(),
1698                                                                 &client);
1699
1700                                                 SignObject *sign_object = (SignObject*)selected_object;
1701
1702                                                 std::wstring wtext =
1703                                                                 narrow_to_wide(sign_object->getText());
1704
1705                                                 (new GUITextInputMenu(guienv, guiroot, -1,
1706                                                                 &g_menumgr, dest,
1707                                                                 wtext))->drop();
1708                                         }
1709                                 }
1710                                 /*
1711                                         Otherwise pass the event to the server as-is
1712                                 */
1713                                 else
1714                                 {
1715                                         client.clickObject(1, selected_object->getBlock()->getPos(),
1716                                                         selected_object->getId(), g_selected_item);
1717                                 }
1718                         }
1719                 }
1720                 else if(selected_active_object != NULL)
1721                 {
1722                         //dstream<<"Client returned selected_active_object != NULL"<<std::endl;
1723
1724                         core::aabbox3d<f32> *selection_box
1725                                         = selected_active_object->getSelectionBox();
1726                         // Box should exist because object was returned in the
1727                         // first place
1728                         assert(selection_box);
1729
1730                         v3f pos = selected_active_object->getPosition();
1731
1732                         core::aabbox3d<f32> box_on_map(
1733                                         selection_box->MinEdge + pos,
1734                                         selection_box->MaxEdge + pos
1735                         );
1736
1737                         hilightboxes.push_back(box_on_map);
1738
1739                         //infotext = narrow_to_wide("A ClientActiveObject");
1740                         infotext = narrow_to_wide(selected_active_object->infoText());
1741
1742                         if(input->getLeftClicked())
1743                         {
1744                                 std::cout<<DTIME<<"Left-clicked object"<<std::endl;
1745                                 client.clickActiveObject(0,
1746                                                 selected_active_object->getId(), g_selected_item);
1747                         }
1748                         else if(input->getRightClicked())
1749                         {
1750                                 std::cout<<DTIME<<"Right-clicked object"<<std::endl;
1751                                 client.clickActiveObject(1,
1752                                                 selected_active_object->getId(), g_selected_item);
1753                         }
1754                 }
1755                 else // selected_object == NULL
1756                 {
1757
1758                 /*
1759                         Find out which node we are pointing at
1760                 */
1761
1762                 bool nodefound = false;
1763                 v3s16 nodepos;
1764                 v3s16 neighbourpos;
1765                 core::aabbox3d<f32> nodehilightbox;
1766
1767                 getPointedNode(&client, player_position,
1768                                 camera_direction, camera_position,
1769                                 nodefound, shootline,
1770                                 nodepos, neighbourpos,
1771                                 nodehilightbox, d);
1772
1773                 static float nodig_delay_counter = 0.0;
1774
1775                 if(nodefound)
1776                 {
1777                         static v3s16 nodepos_old(-32768,-32768,-32768);
1778
1779                         static float dig_time = 0.0;
1780                         static u16 dig_index = 0;
1781
1782                         /*
1783                                 Visualize selection
1784                         */
1785
1786                         hilightboxes.push_back(nodehilightbox);
1787
1788                         /*
1789                                 Check information text of node
1790                         */
1791
1792                         NodeMetadata *meta = client.getNodeMetadata(nodepos);
1793                         if(meta)
1794                         {
1795                                 infotext = narrow_to_wide(meta->infoText());
1796                         }
1797
1798                         //MapNode node = client.getNode(nodepos);
1799
1800                         /*
1801                                 Handle digging
1802                         */
1803
1804                         if(input->getLeftReleased())
1805                         {
1806                                 client.clearTempMod(nodepos);
1807                                 dig_time = 0.0;
1808                         }
1809
1810                         if(nodig_delay_counter > 0.0)
1811                         {
1812                                 nodig_delay_counter -= dtime;
1813                         }
1814                         else
1815                         {
1816                                 if(nodepos != nodepos_old)
1817                                 {
1818                                         std::cout<<DTIME<<"Pointing at ("<<nodepos.X<<","
1819                                                         <<nodepos.Y<<","<<nodepos.Z<<")"<<std::endl;
1820
1821                                         if(nodepos_old != v3s16(-32768,-32768,-32768))
1822                                         {
1823                                                 client.clearTempMod(nodepos_old);
1824                                                 dig_time = 0.0;
1825                                         }
1826                                 }
1827
1828                                 if(input->getLeftClicked() ||
1829                                                 (input->getLeftState() && nodepos != nodepos_old))
1830                                 {
1831                                         dstream<<DTIME<<"Started digging"<<std::endl;
1832                                         client.groundAction(0, nodepos, neighbourpos, g_selected_item);
1833                                 }
1834                                 if(input->getLeftClicked())
1835                                 {
1836                                         client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, 0));
1837                                 }
1838                                 if(input->getLeftState())
1839                                 {
1840                                         MapNode n = client.getNode(nodepos);
1841
1842                                         // Get tool name. Default is "" = bare hands
1843                                         std::string toolname = "";
1844                                         InventoryList *mlist = local_inventory.getList("main");
1845                                         if(mlist != NULL)
1846                                         {
1847                                                 InventoryItem *item = mlist->getItem(g_selected_item);
1848                                                 if(item && (std::string)item->getName() == "ToolItem")
1849                                                 {
1850                                                         ToolItem *titem = (ToolItem*)item;
1851                                                         toolname = titem->getToolName();
1852                                                 }
1853                                         }
1854
1855                                         // Get digging properties for material and tool
1856                                         content_t material = n.getContent();
1857                                         DiggingProperties prop =
1858                                                         getDiggingProperties(material, toolname);
1859
1860                                         float dig_time_complete = 0.0;
1861
1862                                         if(prop.diggable == false)
1863                                         {
1864                                                 /*dstream<<"Material "<<(int)material
1865                                                                 <<" not diggable with \""
1866                                                                 <<toolname<<"\""<<std::endl;*/
1867                                                 // I guess nobody will wait for this long
1868                                                 dig_time_complete = 10000000.0;
1869                                         }
1870                                         else
1871                                         {
1872                                                 dig_time_complete = prop.time;
1873                                         }
1874
1875                                         if(dig_time_complete >= 0.001)
1876                                         {
1877                                                 dig_index = (u16)((float)CRACK_ANIMATION_LENGTH
1878                                                                 * dig_time/dig_time_complete);
1879                                         }
1880                                         // This is for torches
1881                                         else
1882                                         {
1883                                                 dig_index = CRACK_ANIMATION_LENGTH;
1884                                         }
1885
1886                                         if(dig_index < CRACK_ANIMATION_LENGTH)
1887                                         {
1888                                                 //TimeTaker timer("client.setTempMod");
1889                                                 //dstream<<"dig_index="<<dig_index<<std::endl;
1890                                                 client.setTempMod(nodepos, NodeMod(NODEMOD_CRACK, dig_index));
1891                                         }
1892                                         else
1893                                         {
1894                                                 dstream<<DTIME<<"Digging completed"<<std::endl;
1895                                                 client.groundAction(3, nodepos, neighbourpos, g_selected_item);
1896                                                 client.clearTempMod(nodepos);
1897                                                 client.removeNode(nodepos);
1898
1899                                                 dig_time = 0;
1900
1901                                                 nodig_delay_counter = dig_time_complete
1902                                                                 / (float)CRACK_ANIMATION_LENGTH;
1903
1904                                                 // We don't want a corresponding delay to
1905                                                 // very time consuming nodes
1906                                                 if(nodig_delay_counter > 0.5)
1907                                                 {
1908                                                         nodig_delay_counter = 0.5;
1909                                                 }
1910                                                 // We want a slight delay to very little
1911                                                 // time consuming nodes
1912                                                 float mindelay = 0.15;
1913                                                 if(nodig_delay_counter < mindelay)
1914                                                 {
1915                                                         nodig_delay_counter = mindelay;
1916                                                 }
1917                                         }
1918
1919                                         dig_time += dtime;
1920                                 }
1921                         }
1922
1923                         if(input->getRightClicked())
1924                         {
1925                                 std::cout<<DTIME<<"Ground right-clicked"<<std::endl;
1926
1927                                 // If metadata provides an inventory view, activate it
1928                                 if(meta && meta->getInventoryDrawSpecString() != "" && !random_input)
1929                                 {
1930                                         dstream<<DTIME<<"Launching custom inventory view"<<std::endl;
1931                                         /*
1932                                                 Construct the unique identification string of the node
1933                                         */
1934                                         std::string current_name;
1935                                         current_name += "nodemeta:";
1936                                         current_name += itos(nodepos.X);
1937                                         current_name += ",";
1938                                         current_name += itos(nodepos.Y);
1939                                         current_name += ",";
1940                                         current_name += itos(nodepos.Z);
1941
1942                                         /*
1943                                                 Create menu
1944                                         */
1945
1946                                         core::array<GUIInventoryMenu::DrawSpec> draw_spec;
1947                                         v2s16 invsize =
1948                                                 GUIInventoryMenu::makeDrawSpecArrayFromString(
1949                                                         draw_spec,
1950                                                         meta->getInventoryDrawSpecString(),
1951                                                         current_name);
1952
1953                                         GUIInventoryMenu *menu =
1954                                                 new GUIInventoryMenu(guienv, guiroot, -1,
1955                                                         &g_menumgr, invsize,
1956                                                         client.getInventoryContext(),
1957                                                         &client);
1958                                         menu->setDrawSpec(draw_spec);
1959                                         menu->drop();
1960                                 }
1961                                 else if(meta && meta->typeId() == CONTENT_SIGN_WALL && !random_input)
1962                                 {
1963                                         dstream<<"Sign node right-clicked"<<std::endl;
1964
1965                                         SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
1966
1967                                         // Get a new text for it
1968
1969                                         TextDest *dest = new TextDestSignNode(nodepos, &client);
1970
1971                                         std::wstring wtext =
1972                                                         narrow_to_wide(signmeta->getText());
1973
1974                                         (new GUITextInputMenu(guienv, guiroot, -1,
1975                                                         &g_menumgr, dest,
1976                                                         wtext))->drop();
1977                                 }
1978                                 else
1979                                 {
1980                                         client.groundAction(1, nodepos, neighbourpos, g_selected_item);
1981                                 }
1982                         }
1983
1984                         nodepos_old = nodepos;
1985                 }
1986                 else{
1987                 }
1988
1989                 } // selected_object == NULL
1990
1991                 input->resetLeftClicked();
1992                 input->resetRightClicked();
1993
1994                 if(input->getLeftReleased())
1995                 {
1996                         std::cout<<DTIME<<"Left button released (stopped digging)"
1997                                         <<std::endl;
1998                         client.groundAction(2, v3s16(0,0,0), v3s16(0,0,0), 0);
1999                 }
2000                 if(input->getRightReleased())
2001                 {
2002                         //std::cout<<DTIME<<"Right released"<<std::endl;
2003                         // Nothing here
2004                 }
2005
2006                 input->resetLeftReleased();
2007                 input->resetRightReleased();
2008
2009                 /*
2010                         Calculate stuff for drawing
2011                 */
2012
2013                 camera->setAspectRatio((f32)screensize.X / (f32)screensize.Y);
2014
2015                 u32 daynight_ratio = client.getDayNightRatio();
2016                 u8 l = decode_light((daynight_ratio * LIGHT_SUN) / 1000);
2017                 video::SColor bgcolor = video::SColor(
2018                                 255,
2019                                 bgcolor_bright.getRed() * l / 255,
2020                                 bgcolor_bright.getGreen() * l / 255,
2021                                 bgcolor_bright.getBlue() * l / 255);
2022                                 /*skycolor.getRed() * l / 255,
2023                                 skycolor.getGreen() * l / 255,
2024                                 skycolor.getBlue() * l / 255);*/
2025
2026                 float brightness = (float)l/255.0;
2027
2028                 /*
2029                         Update skybox
2030                 */
2031                 if(fabs(brightness - old_brightness) > 0.01)
2032                         update_skybox(driver, smgr, skybox, brightness);
2033
2034                 /*
2035                         Update coulds
2036                 */
2037                 if(clouds)
2038                 {
2039                         clouds->step(dtime);
2040                         clouds->update(v2f(player_position.X, player_position.Z),
2041                                         0.05+brightness*0.95);
2042                 }
2043
2044                 /*
2045                         Update farmesh
2046                 */
2047                 if(farmesh)
2048                 {
2049                         farmesh_range = draw_control.wanted_range * 10;
2050                         if(draw_control.range_all && farmesh_range < 500)
2051                                 farmesh_range = 500;
2052                         if(farmesh_range > 1000)
2053                                 farmesh_range = 1000;
2054
2055                         farmesh->step(dtime);
2056                         farmesh->update(v2f(player_position.X, player_position.Z),
2057                                         0.05+brightness*0.95, farmesh_range);
2058                 }
2059
2060                 // Store brightness value
2061                 old_brightness = brightness;
2062
2063                 /*
2064                         Fog
2065                 */
2066
2067                 if(g_settings.getBool("enable_fog") == true)
2068                 {
2069                         f32 range;
2070                         if(farmesh)
2071                         {
2072                                 range = BS*farmesh_range;
2073                         }
2074                         else
2075                         {
2076                                 range = draw_control.wanted_range*BS + MAP_BLOCKSIZE*BS*1.5;
2077                                 if(draw_control.range_all)
2078                                         range = 100000*BS;
2079                                 if(range < 50*BS)
2080                                         range = range * 0.5 + 25*BS;
2081                         }
2082
2083                         driver->setFog(
2084                                 bgcolor,
2085                                 video::EFT_FOG_LINEAR,
2086                                 range*0.4,
2087                                 range*1.0,
2088                                 0.01,
2089                                 false, // pixel fog
2090                                 false // range fog
2091                         );
2092                 }
2093                 else
2094                 {
2095                         driver->setFog(
2096                                 bgcolor,
2097                                 video::EFT_FOG_LINEAR,
2098                                 100000*BS,
2099                                 110000*BS,
2100                                 0.01,
2101                                 false, // pixel fog
2102                                 false // range fog
2103                         );
2104                 }
2105
2106
2107                 /*
2108                         Update gui stuff (0ms)
2109                 */
2110
2111                 //TimeTaker guiupdatetimer("Gui updating");
2112
2113                 {
2114                         static float drawtime_avg = 0;
2115                         drawtime_avg = drawtime_avg * 0.95 + (float)drawtime*0.05;
2116                         static float beginscenetime_avg = 0;
2117                         beginscenetime_avg = beginscenetime_avg * 0.95 + (float)beginscenetime*0.05;
2118                         static float scenetime_avg = 0;
2119                         scenetime_avg = scenetime_avg * 0.95 + (float)scenetime*0.05;
2120                         static float endscenetime_avg = 0;
2121                         endscenetime_avg = endscenetime_avg * 0.95 + (float)endscenetime*0.05;
2122
2123                         char temptext[300];
2124                         snprintf(temptext, 300, "Minetest-c55 %s ("
2125                                         "R: range_all=%i"
2126                                         ")"
2127                                         " drawtime=%.0f, beginscenetime=%.0f"
2128                                         ", scenetime=%.0f, endscenetime=%.0f",
2129                                         VERSION_STRING,
2130                                         draw_control.range_all,
2131                                         drawtime_avg,
2132                                         beginscenetime_avg,
2133                                         scenetime_avg,
2134                                         endscenetime_avg
2135                                         );
2136
2137                         guitext->setText(narrow_to_wide(temptext).c_str());
2138                 }
2139
2140                 {
2141                         char temptext[300];
2142                         snprintf(temptext, 300,
2143                                         "(% .1f, % .1f, % .1f)"
2144                                         " (% .3f < btime_jitter < % .3f"
2145                                         ", dtime_jitter = % .1f %%"
2146                                         ", v_range = %.1f)",
2147                                         player_position.X/BS,
2148                                         player_position.Y/BS,
2149                                         player_position.Z/BS,
2150                                         busytime_jitter1_min_sample,
2151                                         busytime_jitter1_max_sample,
2152                                         dtime_jitter1_max_fraction * 100.0,
2153                                         draw_control.wanted_range
2154                                         );
2155
2156                         guitext2->setText(narrow_to_wide(temptext).c_str());
2157                 }
2158
2159                 {
2160                         guitext_info->setText(infotext.c_str());
2161                 }
2162
2163                 /*
2164                         Get chat messages from client
2165                 */
2166                 {
2167                         // Get new messages
2168                         std::wstring message;
2169                         while(client.getChatMessage(message))
2170                         {
2171                                 chat_lines.push_back(ChatLine(message));
2172                                 /*if(chat_lines.size() > 6)
2173                                 {
2174                                         core::list<ChatLine>::Iterator
2175                                                         i = chat_lines.begin();
2176                                         chat_lines.erase(i);
2177                                 }*/
2178                         }
2179                         // Append them to form the whole static text and throw
2180                         // it to the gui element
2181                         std::wstring whole;
2182                         // This will correspond to the line number counted from
2183                         // top to bottom, from size-1 to 0
2184                         s16 line_number = chat_lines.size();
2185                         // Count of messages to be removed from the top
2186                         u16 to_be_removed_count = 0;
2187                         for(core::list<ChatLine>::Iterator
2188                                         i = chat_lines.begin();
2189                                         i != chat_lines.end(); i++)
2190                         {
2191                                 // After this, line number is valid for this loop
2192                                 line_number--;
2193                                 // Increment age
2194                                 (*i).age += dtime;
2195                                 /*
2196                                         This results in a maximum age of 60*6 to the
2197                                         lowermost line and a maximum of 6 lines
2198                                 */
2199                                 float allowed_age = (6-line_number) * 60.0;
2200
2201                                 if((*i).age > allowed_age)
2202                                 {
2203                                         to_be_removed_count++;
2204                                         continue;
2205                                 }
2206                                 whole += (*i).text + L'\n';
2207                         }
2208                         for(u16 i=0; i<to_be_removed_count; i++)
2209                         {
2210                                 core::list<ChatLine>::Iterator
2211                                                 it = chat_lines.begin();
2212                                 chat_lines.erase(it);
2213                         }
2214                         guitext_chat->setText(whole.c_str());
2215
2216                         // Update gui element size and position
2217
2218                         /*core::rect<s32> rect(
2219                                         10,
2220                                         screensize.Y - guitext_chat_pad_bottom
2221                                                         - text_height*chat_lines.size(),
2222                                         screensize.X - 10,
2223                                         screensize.Y - guitext_chat_pad_bottom
2224                         );*/
2225                         core::rect<s32> rect(
2226                                         10,
2227                                         50,
2228                                         screensize.X - 10,
2229                                         50 + guitext_chat->getTextHeight()
2230                         );
2231
2232                         guitext_chat->setRelativePosition(rect);
2233
2234                         if(chat_lines.size() == 0)
2235                                 guitext_chat->setVisible(false);
2236                         else
2237                                 guitext_chat->setVisible(true);
2238                 }
2239
2240                 /*
2241                         Inventory
2242                 */
2243
2244                 static u16 old_selected_item = 65535;
2245                 if(client.getLocalInventoryUpdated()
2246                                 || g_selected_item != old_selected_item)
2247                 {
2248                         client.selectPlayerItem(g_selected_item);
2249                         old_selected_item = g_selected_item;
2250                         //std::cout<<"Updating local inventory"<<std::endl;
2251                         client.getLocalInventory(local_inventory);
2252                 }
2253
2254                 /*
2255                         Send actions returned by the inventory menu
2256                 */
2257                 while(inventory_action_queue.size() != 0)
2258                 {
2259                         InventoryAction *a = inventory_action_queue.pop_front();
2260
2261                         client.sendInventoryAction(a);
2262                         // Eat it
2263                         delete a;
2264                 }
2265
2266                 /*
2267                         Drawing begins
2268                 */
2269
2270                 TimeTaker drawtimer("Drawing");
2271
2272
2273                 {
2274                         TimeTaker timer("beginScene");
2275                         driver->beginScene(true, true, bgcolor);
2276                         //driver->beginScene(false, true, bgcolor);
2277                         beginscenetime = timer.stop(true);
2278                 }
2279
2280                 //timer3.stop();
2281
2282                 //std::cout<<DTIME<<"smgr->drawAll()"<<std::endl;
2283
2284                 {
2285                         TimeTaker timer("smgr");
2286                         smgr->drawAll();
2287                         scenetime = timer.stop(true);
2288                 }
2289
2290                 {
2291                 //TimeTaker timer9("auxiliary drawings");
2292                 // 0ms
2293
2294                 //timer9.stop();
2295                 //TimeTaker //timer10("//timer10");
2296
2297                 video::SMaterial m;
2298                 //m.Thickness = 10;
2299                 m.Thickness = 3;
2300                 m.Lighting = false;
2301                 driver->setMaterial(m);
2302
2303                 driver->setTransform(video::ETS_WORLD, core::IdentityMatrix);
2304
2305                 for(core::list< core::aabbox3d<f32> >::Iterator i=hilightboxes.begin();
2306                                 i != hilightboxes.end(); i++)
2307                 {
2308                         /*std::cout<<"hilightbox min="
2309                                         <<"("<<i->MinEdge.X<<","<<i->MinEdge.Y<<","<<i->MinEdge.Z<<")"
2310                                         <<" max="
2311                                         <<"("<<i->MaxEdge.X<<","<<i->MaxEdge.Y<<","<<i->MaxEdge.Z<<")"
2312                                         <<std::endl;*/
2313                         driver->draw3DBox(*i, video::SColor(255,0,0,0));
2314                 }
2315
2316                 /*
2317                         Frametime log
2318                 */
2319                 if(g_settings.getBool("frametime_graph") == true)
2320                 {
2321                         s32 x = 10;
2322                         for(core::list<float>::Iterator
2323                                         i = frametime_log.begin();
2324                                         i != frametime_log.end();
2325                                         i++)
2326                         {
2327                                 driver->draw2DLine(v2s32(x,50),
2328                                                 v2s32(x,50+(*i)*1000),
2329                                                 video::SColor(255,255,255,255));
2330                                 x++;
2331                         }
2332                 }
2333
2334                 /*
2335                         Draw crosshair
2336                 */
2337                 driver->draw2DLine(displaycenter - core::vector2d<s32>(10,0),
2338                                 displaycenter + core::vector2d<s32>(10,0),
2339                                 video::SColor(255,255,255,255));
2340                 driver->draw2DLine(displaycenter - core::vector2d<s32>(0,10),
2341                                 displaycenter + core::vector2d<s32>(0,10),
2342                                 video::SColor(255,255,255,255));
2343
2344                 } // timer
2345
2346                 //timer10.stop();
2347                 //TimeTaker //timer11("//timer11");
2348
2349                 /*
2350                         Draw gui
2351                 */
2352                 // 0-1ms
2353                 guienv->drawAll();
2354
2355                 /*
2356                         Environment post fx
2357                 */
2358                 {
2359                         client.getEnv()->drawPostFx(driver, camera_position);
2360                 }
2361
2362                 /*
2363                         Draw hotbar
2364                 */
2365                 {
2366                         draw_hotbar(driver, font, v2s32(displaycenter.X, screensize.Y),
2367                                         hotbar_imagesize, hotbar_itemcount, &local_inventory,
2368                                         client.getHP());
2369                 }
2370
2371                 /*
2372                         Damage flash
2373                 */
2374                 if(damage_flash_timer > 0.0)
2375                 {
2376                         damage_flash_timer -= dtime;
2377
2378                         video::SColor color(128,255,0,0);
2379                         driver->draw2DRectangle(color,
2380                                         core::rect<s32>(0,0,screensize.X,screensize.Y),
2381                                         NULL);
2382                 }
2383
2384                 /*
2385                         End scene
2386                 */
2387                 {
2388                         TimeTaker timer("endScene");
2389                         endSceneX(driver);
2390                         endscenetime = timer.stop(true);
2391                 }
2392
2393                 drawtime = drawtimer.stop(true);
2394
2395                 /*
2396                         End of drawing
2397                 */
2398
2399                 static s16 lastFPS = 0;
2400                 //u16 fps = driver->getFPS();
2401                 u16 fps = (1.0/dtime_avg1);
2402
2403                 if (lastFPS != fps)
2404                 {
2405                         core::stringw str = L"Minetest [";
2406                         str += driver->getName();
2407                         str += "] FPS=";
2408                         str += fps;
2409
2410                         device->setWindowCaption(str.c_str());
2411                         lastFPS = fps;
2412                 }
2413         }
2414
2415         /*
2416                 Drop stuff
2417         */
2418         if(clouds)
2419                 clouds->drop();
2420
2421         /*
2422                 Draw a "shutting down" screen, which will be shown while the map
2423                 generator and other stuff quits
2424         */
2425         {
2426                 /*gui::IGUIStaticText *gui_shuttingdowntext = */
2427                 draw_load_screen(L"Shutting down stuff...", driver, font);
2428                 /*driver->beginScene(true, true, video::SColor(255,0,0,0));
2429                 guienv->drawAll();
2430                 driver->endScene();
2431                 gui_shuttingdowntext->remove();*/
2432         }
2433 }
2434
2435