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- must reset file pointer before reading the size from a patch texture.

This commit is contained in:
Christoph Oelckers 2020-09-26 07:54:00 +02:00
parent 40a89fb26f
commit 8450369a22
1 changed files with 1 additions and 1 deletions
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2
source/common/textures/formats/patchtexture.cpp
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@ -127,6 +127,7 @@ FImageSource *PatchImage_TryCreate(FileReader & file, int lumpnum)
{
bool isalpha;
file.Seek(0, FileReader::SeekSet);
int width = file.ReadUInt16();
int height = file.ReadUInt16();
int leftoffset = file.ReadInt16();
@ -134,7 +135,6 @@ FImageSource *PatchImage_TryCreate(FileReader & file, int lumpnum)
// quickly reject any lump which cannot be a texture without reading in all the data.
if (height > 0 && height <= 2048 && width > 0 && width <= 2048 && width < file.GetLength() / 4 && abs(leftoffset) < 4096 && abs(topoffset) < 4096)
{
file.Seek(0, FileReader::SeekSet);
if (!CheckIfPatch(file, isalpha)) return NULL;
file.Seek(8, FileReader::SeekSet);
return new FPatchTexture(lumpnum, width, height, leftoffset, topoffset, isalpha);