- case EL_EMPTY: return -1;
- case EL_GRID_STEEL_00: return GFX_GRID_STEEL_00;
- case EL_GRID_STEEL_01: return GFX_GRID_STEEL_01;
- case EL_GRID_STEEL_02: return GFX_GRID_STEEL_02;
- case EL_GRID_STEEL_03: return GFX_GRID_STEEL_03;
- case EL_MCDUFFIN_RIGHT: return GFX_MCDUFFIN_RIGHT;
- case EL_MCDUFFIN_UP: return GFX_MCDUFFIN_UP;
- case EL_MCDUFFIN_LEFT: return GFX_MCDUFFIN_LEFT;
- case EL_MCDUFFIN_DOWN: return GFX_MCDUFFIN_DOWN;
- case EL_EXIT_CLOSED: return GFX_EXIT_CLOSED;
- case EL_EXIT_OPENING_1: return GFX_EXIT_OPENING_1;
- case EL_EXIT_OPENING_2: return GFX_EXIT_OPENING_2;
- case EL_EXIT_OPEN: return GFX_EXIT_OPEN;
- case EL_KETTLE: return GFX_KETTLE;
- case EL_BOMB: return GFX_BOMB;
- case EL_PRISM: return GFX_PRISM;
- case EL_BLOCK_WOOD: return GFX_BLOCK_WOOD;
- case EL_BALL_GRAY: return GFX_BALL_GRAY;
- case EL_FUSE_ON: return GFX_FUSE_ON;
- case EL_PACMAN_RIGHT: return GFX_PACMAN_RIGHT;
- case EL_PACMAN_UP: return GFX_PACMAN_UP;
- case EL_PACMAN_LEFT: return GFX_PACMAN_LEFT;
- case EL_PACMAN_DOWN: return GFX_PACMAN_DOWN;
- case EL_POLAR_CROSS_00: return GFX_POLAR_CROSS_00;
- case EL_POLAR_CROSS_01: return GFX_POLAR_CROSS_01;
- case EL_POLAR_CROSS_02: return GFX_POLAR_CROSS_02;
- case EL_POLAR_CROSS_03: return GFX_POLAR_CROSS_03;
- case EL_MIRROR_FIXED_00: return GFX_MIRROR_FIXED_00;
- case EL_MIRROR_FIXED_01: return GFX_MIRROR_FIXED_01;
- case EL_MIRROR_FIXED_02: return GFX_MIRROR_FIXED_02;
- case EL_MIRROR_FIXED_03: return GFX_MIRROR_FIXED_03;
- case EL_GATE_STONE: return GFX_GATE_STONE;
- case EL_KEY: return GFX_KEY;
- case EL_LIGHTBULB_ON: return GFX_LIGHTBULB_ON;
- case EL_LIGHTBULB_OFF: return GFX_LIGHTBULB_OFF;
- case EL_LIGHTBALL: return GFX_BALL_RED + RND(3);;
- case EL_BLOCK_STONE: return GFX_BLOCK_STONE;
- case EL_GATE_WOOD: return GFX_GATE_WOOD;
- case EL_FUEL_FULL: return GFX_FUEL_FULL;
- case EL_GRID_WOOD_00: return GFX_GRID_WOOD_00;
- case EL_GRID_WOOD_01: return GFX_GRID_WOOD_01;
- case EL_GRID_WOOD_02: return GFX_GRID_WOOD_02;
- case EL_GRID_WOOD_03: return GFX_GRID_WOOD_03;
- case EL_FUEL_EMPTY: return GFX_FUEL_EMPTY;
- case EL_FUSE_OFF: return GFX_FUSE_OFF;
- case EL_PACMAN: return GFX_PACMAN;
- case EL_REFRACTOR: return GFX_REFRACTOR;
- case EL_CELL: return GFX_CELL;
- case EL_MINE: return GFX_MINE;
-
- /* pseudo-graphics; will be mapped to other graphics */
- case EL_WALL_STEEL: return GFX_WALL_STEEL;
- case EL_WALL_WOOD: return GFX_WALL_WOOD;
- case EL_WALL_ICE: return GFX_WALL_ICE;
- case EL_WALL_AMOEBA: return GFX_WALL_AMOEBA;
- case EL_DF_WALL_STEEL: return GFX_DF_WALL_STEEL;
- case EL_DF_WALL_WOOD: return GFX_DF_WALL_WOOD;