stjr/Kart-Public
0
0
Fork 0
mirror of https://git.do.srb2.org/KartKrew/Kart-Public.git synced 2024-12-26 20:31:30 +00:00
Code Issues Projects Releases Packages Wiki Activity

Reimplement png warning

Browse source
This commit is contained in:
TehRealSalt 2018-11-29 11:16:40 -05:00
parent d9654bcc1a
commit 4cfaf746bb
1 changed files with 37 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

37
src/w_wad.c
View file

@ -1175,6 +1175,29 @@ void zerr(int ret)
}
#endif
#define NO_PNG_LUMPS
#ifdef NO_PNG_LUMPS
static void ErrorIfPNG(void *d, size_t s, char *f, char *l)
{
if (s < 67) // http://garethrees.org/2007/11/14/pngcrush/
return;
#define sigcheck ((UINT8 *)d)
if (sigcheck[0] == 0x89
&& sigcheck[1] == 0x50
&& sigcheck[2] == 0x4e
&& sigcheck[3] == 0x47
&& sigcheck[4] == 0x0d
&& sigcheck[5] == 0x0a
&& sigcheck[6] == 0x1a
&& sigcheck[7] == 0x0a)
{
I_Error("W_Wad: Lump \"%s\" in file \"%s\" is a .PNG - please convert to either Doom or Flat (raw) image format.", l, f);
}
#undef sigcheck
}
#endif
/** Reads bytes from the head of a lump.
* Note: If the lump is compressed, the whole thing has to be read anyway.
*
@ -1214,7 +1237,15 @@ size_t W_ReadLumpHeaderPwad(UINT16 wad, UINT16 lump, void *dest, size_t size, si
switch(wadfiles[wad]->lumpinfo[lump].compression)
{
case CM_NOCOMPRESSION: // If it's uncompressed, we directly write the data into our destination, and return the bytes read.
#ifdef NO_PNG_LUMPS
{
size_t bytesread = fread(dest, 1, size, handle);
ErrorIfPNG(dest, bytesread, wadfiles[wad]->filename, l->name2);
return bytesread;
}
#else
return fread(dest, 1, size, handle);
#endif
case CM_LZF: // Is it LZF compressed? Used by ZWADs.
{
#ifdef ZWAD
@ -1249,6 +1280,9 @@ size_t W_ReadLumpHeaderPwad(UINT16 wad, UINT16 lump, void *dest, size_t size, si
M_Memcpy(dest, decData + offset, size);
Z_Free(rawData);
Z_Free(decData);
#ifdef NO_PNG_LUMPS
ErrorIfPNG(dest, size, wadfiles[wad]->filename, l->name2);
#endif
return size;
#else
//I_Error("ZWAD files not supported on this platform.");
@ -1307,6 +1341,9 @@ size_t W_ReadLumpHeaderPwad(UINT16 wad, UINT16 lump, void *dest, size_t size, si
Z_Free(rawData);
Z_Free(decData);
#ifdef NO_PNG_LUMPS
ErrorIfPNG(dest, size, wadfiles[wad]->filename, l->name2);
#endif
return size;
}
#endif