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fixed textri() crash

This commit is contained in:
BADIM-PC\Vadim 2017-12-17 20:50:07 +03:00
parent e5bc8f2741
commit b35513b692
1 changed files with 3 additions and 0 deletions
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src/tic.c
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@ -1003,6 +1003,9 @@ static void api_textri(tic_mem* memory, float x1, float y1, float x2, float y2,
s32 iu = (s32)u % MapWidth; s32 iu = (s32)u % MapWidth;
s32 iv = (s32)v % MapHeight; s32 iv = (s32)v % MapHeight;
while (iu < 0) iu += MapWidth;
while (iv < 0) iv += MapHeight;
u8 tile = map[(iv>>3) * TIC_MAP_WIDTH + (iu>>3)]; u8 tile = map[(iv>>3) * TIC_MAP_WIDTH + (iu>>3)];
const u8 *buffer = &ptr[tile << 5]; const u8 *buffer = &ptr[tile << 5];
u8 color = tic_tool_peek4(buffer, (iu & 7) + ((iv & 7) << 3)); u8 color = tic_tool_peek4(buffer, (iu & 7) + ((iv & 7) << 3));