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Code Issues Releases Wiki Activity

fixed possible crash when drawing empty textures

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Zeno Rogue
2019-11-09 11:20:30 +01:00
parent 374d52bb58
commit f1532591d4
1 changed files with 5 additions and 1 deletions
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6
drawing.cpp
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@@ -460,7 +460,11 @@ void drawTexturedTriangle(SDL_Surface *s, int *px, int *py, glvertex *tv, color_
int tw = texture::config.data.twidth; int tw = texture::config.data.twidth;
int x = int(ht[0] * tw) & (tw-1); int x = int(ht[0] * tw) & (tw-1);
int y = int(ht[1] * tw) & (tw-1); int y = int(ht[1] * tw) & (tw-1);
color_t c = texture::config.data.texture_pixels[y * tw + x]; color_t c;
if(texture::config.data.texture_pixels.size() == 0)
c = 0xFFFFFFFF;
else
c = texture::config.data.texture_pixels[y * tw + x];
auto& pix = qpixel(s, mx, my); auto& pix = qpixel(s, mx, my);
for(int p=0; p<3; p++) { for(int p=0; p<3; p++) {
int alpha = part(c, 3) * part(col, 0); int alpha = part(c, 3) * part(col, 0);