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soft: preshift values in lightmap

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This commit is contained in:
Denis Pauk 2022-03-22 22:49:13 +02:00
parent 020ce27109
commit e650eff100
2 changed files with 8 additions and 5 deletions
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11
src/client/refresh/soft/sw_image.c
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@ -363,10 +363,13 @@ R_ApplyLight(pixel_t pix, const light3_t light)
b_g = vid_lightmap[light_masked[1] + b_g];
b_b = vid_lightmap[light_masked[2] + b_b];
/* convert back to indexed color */
b_r = ( b_r >> 3 ) & 31;
b_g = ( b_g >> 2 ) & 63;
b_b = ( b_b >> 3 ) & 31;
/*
* convert back to indexed color (value reshifted >> 2)
* look to R_Convert32To8bit
*/
b_r = ( b_r >> 1 ); // & 31;
b_g = ( b_g >> 0 ); // & 63;
b_b = ( b_b >> 1 ); // & 31;
i_c = b_r | ( b_g << 5 ) | ( b_b << 11 );

2
src/client/refresh/soft/sw_main.c
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@ -1811,7 +1811,7 @@ Draw_GetPalette (void)
vid_lightthreshold = i * 256;
for(j=0; j < 256; j++)
vid_lightmap[i * 256 + j] = (j * scale) / 255;
vid_lightmap[i * 256 + j] = ((j * scale / 255) >> 2) & 63;
}
}