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TIC-80-guile
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This commit is contained in:
František Jahoda 2017-12-01 21:37:36 +01:00
parent 0bc1022b67
commit 2af202e5ec
1 changed files with 11 additions and 8 deletions
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19
src/tic.c
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@ -258,6 +258,9 @@ static void drawRectBorder(tic_machine* machine, s32 x, s32 y, s32 width, s32 he
} \
})
#define REVERT(X) (TIC_SPRITESIZE - 1 - (X))
#define INDEX_XY(X, Y) ((Y) * TIC_SPRITESIZE + (X))
static void drawTile(tic_machine* machine, const tic_tile* buffer, s32 x, s32 y, u8* colors, s32 count, s32 scale, tic_flip flip, tic_rotate rotate)
{
static u8 mapping[TIC_PALETTE_SIZE];
@ -280,14 +283,14 @@ static void drawTile(tic_machine* machine, const tic_tile* buffer, s32 x, s32 y,
ex = machine->state.clip.r - x; if (ex > TIC_SPRITESIZE) ex = TIC_SPRITESIZE;
ey = machine->state.clip.b - y; if (ey > TIC_SPRITESIZE) ey = TIC_SPRITESIZE;
switch (orientation) {
case 0b100: DRAW_TILE_BODY(px * TIC_SPRITESIZE + py); break;
case 0b110: DRAW_TILE_BODY(px * TIC_SPRITESIZE + TIC_SPRITESIZE - py - 1); break;
case 0b101: DRAW_TILE_BODY((TIC_SPRITESIZE - px - 1) * TIC_SPRITESIZE + py); break;
case 0b111: DRAW_TILE_BODY((TIC_SPRITESIZE - px) * TIC_SPRITESIZE - py - 1); break;
case 0b000: DRAW_TILE_BODY(py * TIC_SPRITESIZE + px); break;
case 0b010: DRAW_TILE_BODY((TIC_SPRITESIZE - py - 1) * TIC_SPRITESIZE + px); break;
case 0b001: DRAW_TILE_BODY(py * TIC_SPRITESIZE + TIC_SPRITESIZE - px - 1); break;
case 0b011: DRAW_TILE_BODY((TIC_SPRITESIZE - py) * TIC_SPRITESIZE - px - 1); break;
case 0b100: DRAW_TILE_BODY(INDEX_XY(py, px)); break;
case 0b110: DRAW_TILE_BODY(INDEX_XY(REVERT(py), px)); break;
case 0b101: DRAW_TILE_BODY(INDEX_XY(py, REVERT(px))); break;
case 0b111: DRAW_TILE_BODY(INDEX_XY(REVERT(py), REVERT(px))); break;
case 0b000: DRAW_TILE_BODY(INDEX_XY(px, py)); break;
case 0b010: DRAW_TILE_BODY(INDEX_XY(px, REVERT(py))); break;
case 0b001: DRAW_TILE_BODY(INDEX_XY(REVERT(px), py)); break;
case 0b011: DRAW_TILE_BODY(INDEX_XY(REVERT(px), REVERT(py))); break;
default: assert(!"Unknown value of orientation in drawTile");
}
return;