src/map.cpp

   1 /*
   2 Copyright (C) 2004-2011 Parallel Realities
   3 Copyright (C) 2011-2015 Perpendicular Dimensions
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (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.
  13
  14 See the GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 */
  21
  22 #include "map.h"
  23
  24 void drawMap()
  25 {
  26         SDL_Rect r;
  27
  28         int offsetX = (int)(engine.playerPosX);
  29         int offsetY = (int)(engine.playerPosY);
  30
  31         map.offsetX = offsetX;
  32         map.offsetY = offsetY;
  33
  34         Math::limitInt(&offsetX, 0, ((MAPWIDTH - 40) * BRICKSIZE));
  35         Math::limitInt(&offsetY, 0, ((MAPHEIGHT - 30) * BRICKSIZE));
  36
  37         int mapx = offsetX >> BRICKSHIFT;
  38         int mapy = offsetY >> BRICKSHIFT;
  39         int brick = 0;
  40
  41         for (int x = 0 ; x < 21 ; x++)
  42         {
  43                 for (int y = 0 ; y < 16 ; y++)
  44                 {
  45                         brick = map.data[mapx + x][mapy + y];
  46
  47                         r.x = ((x * BRICKSIZE) - (offsetX & (BRICKSIZE - 1)));
  48                         r.y = ((y * BRICKSIZE) - (offsetY & (BRICKSIZE - 1)));
  49                         r.w = r.h = BRICKSIZE;
  50
  51                         if ((brick >= MAP_BREAKABLE) && (brick < MAP_WATERANIM))
  52                         {
  53                                 graphics.blit(graphics.tile[brick], r.x, r.y, graphics.screen, false);
  54
  55                                 #if DEBUG
  56                                 if ((brick >= MAP_NORESET) && (brick < MAP_DECORATION))
  57                                 {
  58                                         graphics.drawRect(r.x, r.y, 32, 4, graphics.yellow, graphics.screen);
  59                                 }
  60                                 #endif
  61                         }
  62                 }
  63         }
  64 }
  65
  66 void drawMapTopLayer()
  67 {
  68         SDL_Rect r;
  69
  70         int offsetX = map.offsetX;
  71         int offsetY = map.offsetY;
  72
  73         Math::limitInt(&offsetX, 0, ((MAPWIDTH - 40) * BRICKSIZE));
  74         Math::limitInt(&offsetY, 0, ((MAPHEIGHT - 30) * BRICKSIZE));
  75
  76         int mapx = offsetX >> BRICKSHIFT;
  77         int mapy = offsetY >> BRICKSHIFT;
  78
  79         int brick;
  80
  81         for (int x = 0 ; x < 21 ; x++)
  82         {
  83                 for (int y = 0 ; y < 16 ; y++)
  84                 {
  85                         r.x = ((x * BRICKSIZE) - (offsetX & (BRICKSIZE - 1)));
  86                         r.y = ((y * BRICKSIZE) - (offsetY & (BRICKSIZE - 1)));
  87                         r.w = r.h = BRICKSIZE;
  88
  89                         brick = map.data[mapx + x][mapy + y];
  90
  91                         if (brick == 0)
  92                         {
  93                                 continue;
  94                         }
  95
  96                         if ((brick < MAP_BREAKABLE) || (brick >= MAP_WATERANIM))
  97                         {
  98                                 if (brick == MAP_WATER)
  99                                 {
 100                                         if (map.data[mapx + x][mapy + y + 1] >= MAP_BREAKABLE)
 101                                         {
 102                                                 addBubble((mapx + x) * BRICKSIZE, (mapy + y) * BRICKSIZE);
 103                                         }
 104                                 }
 105
 106                                 if (brick == MAP_WATERANIM)
 107                                 {
 108                                         brick = graphics.getWaterAnim();
 109                                 }
 110                                 else if (brick == MAP_SLIME)
 111                                 {
 112                                         brick = graphics.getSlimeAnim();
 113                                 }
 114                                 else if ((brick >= MAP_LAVAANIM) && (brick < MAP_TOPLAYER))
 115                                 {
 116                                         map.data[mapx + x][mapy + y] = graphics.getLavaAnim(brick);
 117                                         brick = map.data[mapx + x][mapy + y];
 118                                 }
 119
 120                                 graphics.blit(graphics.tile[brick], r.x, r.y, graphics.screen, false);
 121                         }
 122                 }
 123         }
 124 }
 125
 126 void addBlips(List *blipList, int mapX, int mapY, int type)
 127 {
 128         Sprite *blipType;
 129         Entity *ent;
 130
 131         switch (type)
 132         {
 133                 case 1:
 134                         blipType = graphics.getSprite("MIAArrow", true);
 135                         ent = (Entity*)map.miaList.getHead();
 136                         break;
 137                 case 2:
 138                         blipType = graphics.getSprite("ItemArrow", true);
 139                         ent = (Entity*)map.itemList.getHead();
 140                         break;
 141                 case 3:
 142                         blipType = graphics.getSprite("EnemyArrow", true);
 143                         ent = (Entity*)map.enemyList.getHead();
 144                         break;
 145                 default:
 146                         return;
 147         }
 148
 149         RadarBlip *blip;
 150         int x, y;
 151
 152         while (ent->next != NULL)
 153         {
 154                 ent = (Entity*)ent->next;
 155
 156                 if (ent->health <= 0)
 157                         continue;
 158
 159                 if (type == 3)
 160                 {
 161                         if (!requiredEnemy(ent->name))
 162                         {
 163                                 continue;
 164                         }
 165                 }
 166
 167                 // Items
 168                 if (type == 2)
 169                 {
 170                         if ((ent->id < ITEM_MISC) || (ent->id == ITEM_MISC_INVISIBLE))
 171                         {
 172                                 continue;
 173                         }
 174                 }
 175
 176                 x = (int)(ent->x + ent->width) >> BRICKSHIFT;
 177                 y = (int)(ent->y + ent->height) >> BRICKSHIFT;
 178
 179                 x -= mapX;
 180                 y -= mapY;
 181
 182                 x = (160) + (x * 5);
 183                 y = (120) + (y * 5);
 184
 185                 if ((x >= 165) && (y >= 125) && (x <= 475) && (y <= 355))
 186                 {
 187                         blip = new RadarBlip();
 188                         blip->set(x, y, type);
 189                         blipList->add (blip);
 190                 }
 191                 else
 192                 {
 193                         if (y < 125)
 194                                 graphics.blit(blipType->image[0], 220 + (type * 50), 100, graphics.screen, true);
 195                         if (x > 475)
 196                                 graphics.blit(blipType->image[1], 510, 140 + (type * 50), graphics.screen, true);
 197                         if (y > 355)
 198                                 graphics.blit(blipType->image[2], 220 + (type * 50), 380, graphics.screen, true);
 199                         if (x < 165)
 200                                 graphics.blit(blipType->image[3], 125, 140 + (type * 50), graphics.screen, true);
 201                 }
 202         }
 203 }
 204
 205 void addMiniMapDoors(SDL_Surface *panel, int mapX, int mapY)
 206 {
 207         Train *train = (Train*)map.trainList.getHead();
 208
 209         int x, y;
 210         int width, height, color;
 211
 212         while (train->next != NULL)
 213         {
 214                 train = (Train*)train->next;
 215
 216                 width = 5;
 217                 height = 5;
 218                 color = graphics.white;
 219
 220                 x = (int)train->x >> BRICKSHIFT;
 221
 222                 y = (int)train->y >> BRICKSHIFT;
 223
 224                 if ((x >= mapX) && (x <= mapX + 64) && (y >= mapY) && (y <= mapY + 48))
 225                 {
 226                         x -= mapX;
 227                         y -= mapY;
 228
 229                         if (train->type == TR_TRAIN)
 230                         {
 231                                 width = 10;
 232                         }
 233                         else if ((train->type >= TR_SLIDEDOOR) && (train->type <= TR_BRONZE_SLIDEDOOR))
 234                         {
 235                                 width = 10;
 236                         }
 237                         else
 238                         {
 239                                 height = 10;
 240                         }
 241
 242                         switch (train->type)
 243                         {
 244                                 case TR_GOLD_DOOR:
 245                                 case TR_GOLD_SLIDEDOOR:
 246                                         color = graphics.yellow;
 247                                         break;
 248
 249                                 case TR_SILVER_DOOR:
 250                                 case TR_SILVER_SLIDEDOOR:
 251                                         color = graphics.grey;
 252                                         break;
 253
 254                                 case TR_BRONZE_DOOR:
 255                                 case TR_BRONZE_SLIDEDOOR:
 256                                         color = SDL_MapRGB(graphics.screen->format, 0xff, 0x99, 0x00);
 257                                         break;
 258
 259                                 case TR_DOOR:
 260                                 case TR_LOCKED_DOOR:
 261                                 case TR_LOCKED_SLIDEDOOR:
 262                                         color = SDL_MapRGB(graphics.screen->format, 0xff, 0x00, 0xff);
 263                                         break;
 264                         }
 265
 266                         graphics.drawRect(x * 5, y * 5, width, height, color, panel);
 267                 }
 268         }
 269 }
 270
 271 void showMap(int centerX, int centerY)
 272 {
 273         char string[100];
 274         int x1, y1, x2, y2;
 275
 276         x1 = centerX - 32;
 277         x2 = centerX + 32;
 278         y1 = centerY - 24;
 279         y2 = centerY + 24;
 280
 281         int minX = (map.limitLeft >> BRICKSHIFT);
 282         int maxX = (map.limitRight >> BRICKSHIFT) - 44;
 283         int minY = (map.limitUp >> BRICKSHIFT);
 284         int maxY = (map.limitDown >> BRICKSHIFT) - 33;
 285
 286         Math::limitInt(&x1, minX, maxX);
 287         Math::limitInt(&x2, minX, maxX);
 288         Math::limitInt(&y1, minY, maxY);
 289         Math::limitInt(&y2, minY, maxY);
 290
 291         SDL_FillRect(graphics.screen, NULL, graphics.black);
 292         graphics.updateScreen();
 293         SDL_Delay(500);
 294
 295         SDL_Surface *panel = graphics.createSurface(320, 240);
 296         SDL_Surface *background = graphics.loadImage("gfx/main/mapBackground.png");
 297         SDL_SetAlpha(background, 130);
 298
 299         graphics.blit(background, 0, 0, panel, false);
 300
 301         int color = graphics.black;
 302
 303         for (int y = 0 ; y < 48 ; y++)
 304         {
 305                 for (int x = 0 ; x < 64 ; x++)
 306                 {
 307                         if (map.data[x1 + x][y1 + y] == MAP_WATER)
 308                         {
 309                                 graphics.drawRect(x * 5, y * 5, 5, 5, graphics.blue, panel);
 310                         }
 311                 }
 312         }
 313
 314         addMiniMapDoors(panel, x1, y1);
 315
 316         for (int y = 0 ; y < 48 ; y++)
 317         {
 318                 for (int x = 0 ; x < 64 ; x++)
 319                 {
 320                         color = graphics.black;
 321
 322                         if (map.data[x1 + x][y1 + y] == MAP_AIR)
 323                         {
 324                                 color = graphics.black;
 325                         }
 326                         else if (map.data[x1 + x][y1 + y] == MAP_WATER)
 327                         {
 328                                 color = graphics.black;
 329                         }
 330                         else if (map.data[x1 + x][y1 + y] == MAP_SLIME)
 331                         {
 332                                 color = graphics.green;
 333                         }
 334                         else if (map.data[x1 + x][y1 + y] == MAP_LAVA)
 335                         {
 336                                 color = graphics.red;
 337                         }
 338                         else if (map.data[x1 + x][y1 + y] >= MAP_DECORATION)
 339                         {
 340                                 color = graphics.black;
 341
 342                                 if (map.data[x1 + x][y1 + y - 1] == MAP_WATER)
 343                                 {
 344                                         color = graphics.blue;
 345                                 }
 346                                 else if (map.data[x1 + x][y1 + y + 1] == MAP_WATER)
 347                                 {
 348                                         color = graphics.blue;
 349                                 }
 350                         }
 351                         else if (map.data[x1 + x][y1 + y] < MAP_WATERANIM)
 352                         {
 353                                 color = graphics.darkGreen;
 354                         }
 355
 356                         if (color != graphics.black)
 357                         {
 358                                 graphics.drawRect(x * 5, y * 5, 5, 5, color, panel);
 359                         }
 360                 }
 361         }
 362
 363         graphics.blit(background, 0, 0, graphics.screen, false);
 364         SDL_FreeSurface(background);
 365
 366         List blipList;
 367
 368         RadarBlip *blip = new RadarBlip();
 369         blip->set(160 + ((centerX - x1) * 5), 120 + ((centerY - y1) * 5), 0);
 370         blipList.add(blip);
 371
 372         addBlips(&blipList, x1, y1, 1);
 373         addBlips(&blipList, x1, y1, 2);
 374         addBlips(&blipList, x1, y1, 3);
 375
 376         Sprite *enemySignal = graphics.getSprite("EnemySignal", true);
 377         Sprite *miaSignal = graphics.getSprite("MIASignal", true);
 378         Sprite *bobSignal = graphics.getSprite("BobSignal", true);
 379         Sprite *itemSignal = graphics.getSprite("ItemSignal", true);
 380
 381         graphics.setFontColor(0xff, 0xff, 0xff, 0x00, 0x00, 0x00);
 382         graphics.setFontSize(3);
 383         graphics.drawString(_(game.stageName), 320, 30, TXT_CENTERED, graphics.screen);
 384
 385         graphics.setFontSize(0);
 386
 387         graphics.drawRect(160, 414, 7, 7, graphics.yellow, graphics.white, graphics.screen);
 388         graphics.drawString(_("MIAs"), 175, 410, TXT_LEFT, graphics.screen);
 389
 390         graphics.drawRect(290, 414, 7, 7, graphics.blue, graphics.white, graphics.screen);
 391         graphics.drawString(_("Items"), 305, 410, TXT_LEFT, graphics.screen);
 392
 393         graphics.drawRect(415, 414, 7, 7, graphics.red, graphics.white, graphics.screen);
 394         graphics.drawString(_("Enemies"), 430, 410, TXT_LEFT, graphics.screen);
 395
 396         graphics.setFontSize(1);
 397         snprintf(string, sizeof string, "%s - %.2d:%.2d:%.2d", _("Mission Time"), game.currentMissionHours, game.currentMissionMinutes, game.currentMissionSeconds);
 398         graphics.drawString(string, 320, 60, TXT_CENTERED, graphics.screen);
 399         graphics.drawString(_("Press Button to Continue..."), 320, 450, TXT_CENTERED, graphics.screen);
 400
 401         engine.flushInput();
 402         engine.clearInput();
 403
 404         doMusicInfo(-1);
 405
 406         while (true)
 407         {
 408                 engine.getInput();
 409                 config.populate();
 410                 graphics.updateScreen();
 411                 graphics.animateSprites();
 412
 413                 graphics.drawRect(160, 120, 320, 240, graphics.black, graphics.white, graphics.screen);
 414                 graphics.blit(panel, 160, 120, graphics.screen, false);
 415
 416                 if ((config.isControl(CONTROL::MAP)) || (config.isControl(CONTROL::PAUSE)) || (engine.keyState[SDL_SCANCODE_ESCAPE]))
 417                 {
 418                         break;
 419                 }
 420
 421                 blip = (RadarBlip*)blipList.getHead();
 422
 423                 while (blip->next != NULL)
 424                 {
 425                         blip = (RadarBlip*)blip->next;
 426
 427                         switch (blip->type)
 428                         {
 429                                 case 0:
 430                                         graphics.blit(bobSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 431                                         break;
 432                                 case 1:
 433                                         graphics.blit(miaSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 434                                         break;
 435                                 case 2:
 436                                         graphics.blit(itemSignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 437                                         break;
 438                                 case 3:
 439                                         graphics.blit(enemySignal->getCurrentFrame(), blip->x, blip->y, graphics.screen, true);
 440                                         break;
 441                         }
 442                 }
 443
 444                 SDL_Delay(16);
 445         }
 446
 447         blipList.clear();
 448
 449         SDL_FillRect(graphics.screen, NULL, graphics.black);
 450         graphics.updateScreen();
 451         SDL_Delay(500);
 452
 453         engine.flushInput();
 454         engine.clearInput();
 455 }
 456
 457 void evaluateMapAttribute(Entity *ent, int mapAttribute)
 458 {
 459         switch (mapAttribute)
 460         {
 461                 case MAP_AIR_WALL_1:
 462                 case MAP_AIR_WALL_2:
 463                 case MAP_AIR_WALL_3:
 464                 case MAP_AIR_CEILING_1:
 465                         mapAttribute = MAP_AIR;
 466                         break;
 467                 case MAP_AIR_WALL_4:
 468                         if (map.isCavesTileset)
 469                         {
 470                                 mapAttribute = MAP_AIR;
 471                         }
 472                         break;
 473                 case MAP_AIR_CEILING_2:
 474                         if (map.isGrasslandsTileset)
 475                         {
 476                                 mapAttribute = MAP_AIR;
 477                         }
 478                         else if (map.isCavesTileset)
 479                         {
 480                                 mapAttribute = MAP_WATER;
 481                         }
 482                         break;
 483                 case MAP_WATER_WALL:
 484                         if (map.isCavesTileset)
 485                         {
 486                                 mapAttribute = MAP_WATER;
 487                         }
 488                         break;
 489         }
 490
 491         switch (mapAttribute)
 492         {
 493                 case MAP_AIR:
 494                         if ((ent->environment != ENV_AIR) && (!(ent->flags & ENT_INANIMATE)))
 495                         {
 496                                 if (!(ent->flags & ENT_SWIMS))
 497                                 {
 498                                         if (ent->dy < 0)
 499                                         {
 500                                                 ent->dy = PLAYER_JUMP_SPEED;
 501                                         }
 502
 503                                         if (ent == &player)
 504                                         {
 505                                                 if ((ent == &player) && ((game.hasAquaLung) || (engine.cheatExtras)))
 506                                                 {
 507                                                         player.setSprites(graphics.getSprite("BobRight", true), graphics.getSprite("BobLeft", true), graphics.getSprite("BobSpin", true));
 508                                                 }
 509                                         }
 510
 511                                         ent->environment = ENV_AIR;
 512
 513                                         if (ent->dy < 0)
 514                                         {
 515                                                 audio.playSound(SND_WATEROUT, CH_TOUCH, ent->x);
 516                                         }
 517
 518                                         ent->checkEnvironment();
 519                                 }
 520                         }
 521                         ent->falling = true;
 522                 case MAP_SOLID:
 523                         break;
 524                 case MAP_WATER:
 525                 case MAP_SLIME:
 526                 case MAP_LAVA:
 527
 528                         ent->falling = false;
 529
 530                         if (ent->environment == ENV_AIR)
 531                         {
 532                                 audio.playSound(SND_WATERIN, CH_TOUCH, ent->x);
 533                                 if ((mapAttribute == MAP_SLIME) || (mapAttribute == MAP_LAVA))
 534                                         ent->thinktime = 1;
 535                         }
 536
 537                         // On ice levels water is harmful (because it's very very cold!)
 538                         if ((map.isIceLevel) && (mapAttribute == MAP_WATER))
 539                         {
 540                                 mapAttribute = MAP_LAVA;
 541                                 ent->thinktime = 1;
 542                         }
 543
 544                         if (mapAttribute == MAP_WATER)
 545                         {
 546                                 ent->environment = ENV_WATER;
 547                                 if ((ent == &player) && ((game.hasAquaLung) || (engine.cheatExtras)))
 548                                 {
 549                                         player.setSprites(graphics.getSprite("AquaBobRight", true), graphics.getSprite("AquaBobLeft", true), graphics.getSprite("AquaBobSpin", true));
 550                                 }
 551                         }
 552                         else if (mapAttribute == MAP_SLIME)
 553                         {
 554                                 ent->environment = ENV_SLIME;
 555                         }
 556                         else if (mapAttribute == MAP_LAVA)
 557                         {
 558                                 ent->environment = ENV_LAVA;
 559                         }
 560                         break;
 561         }
 562 }
 563
 564 void raiseWaterLevel()
 565 {
 566         if (map.waterLevel == map.requiredWaterLevel)
 567         {
 568                 return;
 569         }
 570
 571         int y = (int)map.waterLevel;
 572
 573         if ((int)map.waterLevel != map.requiredWaterLevel)
 574         {
 575                 for (int x = 0 ; x < MAPWIDTH ; x++)
 576                 {
 577                         if ((map.data[x][y] == MAP_AIR) || (map.isLiquid(x, y)))
 578                         {
 579                                 map.data[x][y] = MAP_WATER;
 580                         }
 581
 582                         if ((map.data[x][y] >= MAP_DECORATION) && (map.data[x][y] <= MAP_WATERANIM))
 583                         {
 584                                 map.data[x][y] = MAP_WATER;
 585                         }
 586
 587                         if (map.data[x][y] >= MAP_TOPLAYER)
 588                         {
 589                                 map.data[x][y] = MAP_WATER;
 590                         }
 591
 592                         if (map.data[x][y - 1] >= MAP_TOPLAYER)
 593                         {
 594                                 map.data[x][y] = MAP_WATER;
 595                         }
 596
 597                         if ((map.data[x][y - 1] == MAP_AIR) || (map.isLiquid(x, y - 1)))
 598                         {
 599                                 map.data[x][y - 1] = MAP_WATERANIM;
 600                         }
 601
 602                         if ((map.data[x][y - 1] >= MAP_DECORATION) && (map.data[x][y - 1] <= MAP_WATERANIM))
 603                         {
 604                                 map.data[x][y - 1] = MAP_WATERANIM;
 605                         }
 606                 }
 607
 608                 map.waterLevel -= 0.1;
 609
 610                 int x = (int)(player.x + player.dx) >> BRICKSHIFT;
 611                 int y = (int)(player.y + player.height - 1) >> BRICKSHIFT;
 612
 613                 int mapAttribute = map.data[x][y];
 614
 615                 if ((mapAttribute == MAP_WATER) && (player.environment == MAP_AIR))
 616                 {
 617                         evaluateMapAttribute(&player, mapAttribute);
 618                 }
 619         }
 620 }
 621
 622 void doWind()
 623 {
 624         map.windChangeTime--;
 625
 626         if (map.windChangeTime <= 0)
 627         {
 628                 map.windPower = 0;
 629
 630                 if (Math::rrand(0, 1) == 0)
 631                         map.windPower = Math::rrand(-3, 3);
 632
 633                 // change wind time
 634                 map.windChangeTime = Math::rrand(60, 600);
 635         }
 636
 637         addWindParticles();
 638 }
 639
 640 void parseMapDataLine(const char *line, int y)
 641 {
 642         int tileIndex = 0;
 643         int x = 0;
 644
 645         while (true)
 646         {
 647                 sscanf(line, "%d", &tileIndex);
 648
 649                 map.data[x][y] = tileIndex;
 650
 651                 while (true)
 652                 {
 653                         line++;
 654
 655                         if (*line == ' ')
 656                                 break;
 657                 }
 658
 659                 x++;
 660
 661                 if (x == MAPWIDTH)
 662                         break;
 663         }
 664 }
 665
 666 bool loadMapData(const char *filename)
 667 {
 668         map.clear();
 669
 670         if (!engine.loadData(filename))
 671                 graphics.showErrorAndExit("The requested map '%s' was not found.", filename);
 672
 673         char *token = strtok((char*)engine.dataBuffer, "\n");
 674         parseMapDataLine(token, 0);
 675
 676         int y = 1;
 677
 678         while (true)
 679         {
 680                 token = strtok(NULL, "\n");
 681
 682                 parseMapDataLine(token, y);
 683
 684                 y++;
 685                 if (y == MAPHEIGHT)
 686                         break;
 687         }
 688
 689         getMapTokens();
 690
 691         adjustObjectives();
 692         initMIAPhrases();
 693
 694         return true;
 695 }