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Fix patch conversion

This commit is contained in:
Jaime Passos 2020-01-06 20:39:38 -03:00
parent d5c44350c2
commit 218fdaeaf8
2 changed files with 17 additions and 8 deletions
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23
src/r_picformats.c
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@ -926,9 +926,15 @@ void *Picture_PNGConvert(
png_bytep *row_pointers = PNG_Read(png, w, h, topoffset, leftoffset, insize);
png_uint_32 width = *w, height = *h;
outbpp = Picture_FormatBPP(outformat);
if (!outbpp)
I_Error("Picture_PNGConvert: unknown output bits per pixel?!");
// Hack for patches because you'll want to preserve transparency.
if (Picture_IsPatchFormat(outformat))
outbpp = 16;
else
{
outbpp = Picture_FormatBPP(outformat);
if (!outbpp)
I_Error("Picture_PNGConvert: unknown output bits per pixel?!");
}
// Figure out the size
flatsize = (width * height) * (outbpp / 8);
@ -936,7 +942,9 @@ void *Picture_PNGConvert(
*outsize = flatsize;
// Convert the image
flat = Z_Malloc(flatsize, PU_STATIC, NULL);
flat = Z_Calloc(flatsize, PU_STATIC, NULL);
// Set transparency
if (outbpp == 8)
memset(flat, TRANSPARENTPIXEL, (width * height));
@ -980,7 +988,7 @@ void *Picture_PNGConvert(
}
}
// Free the row pointers that libpng allocated.
// Free the row pointers that we allocated for libpng.
free(row_pointers);
// But wait, there's more!
@ -990,7 +998,7 @@ void *Picture_PNGConvert(
pictureformat_t informat = PICFMT_NONE;
INT16 patleftoffset = 0, pattopoffset = 0;
// Figure out the input format, from the bitdepth of the input format
// Figure out the format of the flat, from the bit depth of the output format
switch (outbpp)
{
case 32:
@ -1000,7 +1008,7 @@ void *Picture_PNGConvert(
informat = PICFMT_FLAT16;
break;
default:
informat = PICFMT_FLAT; // Assumed 8bpp
informat = PICFMT_FLAT;
break;
}
@ -1016,6 +1024,7 @@ void *Picture_PNGConvert(
return converted;
}
// Return the converted flat!
return flat;
}

2
src/r_plane.c
View File

@ -824,7 +824,7 @@ static UINT8 *R_GetTextureFlat(levelflat_t *levelflat, boolean leveltexture, boo
{
INT32 pngwidth, pngheight;
levelflat->flatpatch = Picture_PNGConvert(ds_source, PICFMT_FLAT32, &pngwidth, &pngheight, NULL, NULL, W_LumpLength(levelflat->u.flat.lumpnum), NULL, 0);
levelflat->flatpatch = Picture_PNGConvert(ds_source, PICFMT_FLAT, &pngwidth, &pngheight, NULL, NULL, W_LumpLength(levelflat->u.flat.lumpnum), NULL, 0);
levelflat->topoffset = levelflat->leftoffset = 0;
levelflat->width = (UINT16)pngwidth;
levelflat->height = (UINT16)pngheight;