dan/TIC-80-guile
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Crash fix

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reject triangles that can crash
XYUV's switched to Floats. for textri ( this is important )
This commit is contained in:
MonstersGoBoom
2017-10-30 12:12:53 -04:00
parent df67bb1f8b
commit 1f6897ca64
4 changed files with 6 additions and 5 deletions
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src/tic.c
+2 -1
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@@ -846,6 +846,7 @@ static void ticTexLine(tic_mem* memory, TexVert *v0, TexVert *v1)
float dy = bot->y - top->y;
if ((s32)dy == 0) return;
if ((s32)dy > TIC80_HEIGHT) return; // reject large polys
float step_x = (bot->x - top->x) / dy;
float step_u = (bot->u - top->u) / dy;
@@ -864,7 +865,7 @@ static void ticTexLine(tic_mem* memory, TexVert *v0, TexVert *v1)
}
}
static void api_textri(tic_mem* memory, s32 x1, s32 y1, s32 x2, s32 y2, s32 x3, s32 y3, s32 u1, s32 v1, s32 u2, s32 v2, s32 u3, s32 v3,bool use_map,u8 chroma)
static void api_textri(tic_mem* memory, float x1, float y1, float x2, float y2, float x3, float y3, float u1, float v1, float u2, float v2, float u3, float v3, bool use_map, u8 chroma)
{
tic_machine* machine = (tic_machine*)memory;
TexVert V0, V1, V2;