src/bz/gfx/tilemap.c

   1 #include <bz/gfx/tilemap_internal.h>
   2
   3 #include <bz/game/tilemap_internal.h>
   4 #include <bz/gfx/gfx_internal.h>
   5 #include <bz/math/math.h>
   6
   7 void bzGfxMap(BZTilemapID tilemap, int tx, int ty, int x, int y, int mw, int mh, uint32_t mask) {
   8         size_t mapFromX = bzMax(0, tx);
   9         size_t mapToX = bzMin(tilemap->width, tx + mw);
  10
  11         size_t mapFromY = bzMax(0, ty);
  12         size_t mapToY = bzMin(tilemap->height, ty + mh);
  13
  14         size_t tilesX = mapToX - mapFromX;
  15         size_t tilesY = mapToY - mapFromY;
  16
  17         for (size_t mty = 0; mty < tilesY; ++mty) {
  18                 for (size_t mtx = 0; mtx < tilesX; ++mtx) {
  19                         size_t mx = mapFromX + mtx;
  20                         size_t my = mapFromY + mty;
  21
  22                         size_t idx = my * tilemap->width + mx;
  23                         BZTilemapTile *tile = &tilemap->tiles[idx];
  24                         BZTilemapTileDefinition *tileDefinition = &tilemap->tileDefinitions[tile->tileDefinitionIdx];
  25
  26                         //uint8_t tileIdx = tile->spriteIdx;
  27                         //if (tileIdx == 0) {
  28                         //      tileIdx = tileDefinition->spriteIdx;
  29                         //}
  30
  31                         if (mask == 0 || (tileDefinition->tagsFlag & mask) > 0) {
  32                                 uint8_t spriteIdx = bzGameGetTilemapSprite(tilemap, mx, my);
  33
  34                         //if (tileIdx > 0) {
  35                                 //Tile *tile = &tiles[tileIdx];
  36
  37                                 //bool flagsSet = ignoreMask;
  38
  39                                 //if (flagsSet == false) {
  40                                 //      uint8_t flags = tile->flags;// | mapTile->flags;
  41                                 //      flagsSet = (flags & userFlagMask) == userFlagValues;
  42                                 //}
  43
  44                                 //if (flagsSet) {
  45                                         /*if (mapTile->replaceSprite) {
  46                                                 spriteIdx = mapTile->spriteIdx;
  47                                         } else if (tile->replaceSprite) {
  48                                                 spriteIdx = tile->spriteIdx;
  49                                         }*/
  50
  51                                         if (spriteIdx > 0) {
  52                                                 int height = bzMax(tileDefinition->height, 1);
  53                                                 for (int i = 0; i < height; ++i) {
  54                                                         bzSpr(spriteIdx - i * 16, x + mtx * 8, y + mty * 8 - i * 8); // Fixme, just sspr it.
  55                                                 }
  56                                         }
  57                                 //}
  58                         }
  59                 }
  60         }
  61 }