Improve Valve Texture File (.vtf) support, still disabled by default.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5547 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2019-09-22 03:25:09 +00:00
parent 131a6be4bc
commit 2498024a77
1 changed files with 95 additions and 58 deletions

View File

@ -4953,73 +4953,106 @@ static struct pendingtextureinfo *Image_ReadVTFFile(unsigned int flags, const ch
return NULL;
version = (vtf->major<<16)|vtf->minor;
if (version >= 0x00070003)
return NULL; //we don't support the whole resources thing.
if (version > 0x00070005)
{
Con_Printf("%s: VTF version %i.%i is not supported\n", fname, vtf->major, vtf->minor);
return NULL;
}
lrfmt = (vtf->lowresfmt_misaligned[0]<<0)|(vtf->lowresfmt_misaligned[1]<<16)|(vtf->lowresfmt_misaligned[2]<<16)|(vtf->lowresfmt_misaligned[3]<<24);
vmffmt = vtf->imgformat;
if (vtf->lowreswidth && vtf->lowresheight)
Image_BlockSizeForEncoding(ImageVTF_VtfToFTE(lrfmt), &bb, &bw, &bh);
else
bb=bw=bh=1;
datasize = ((vtf->lowreswidth+bw-1)/bw) * ((vtf->lowresheight+bh-1)/bh) * bb;
mips = Z_Malloc(sizeof(*mips));
mips->type = (vtf->flags & 0x4000)?PTI_CUBEMAP:PTI_2D;
mips->extrafree = filedata;
filedata += vtf->headersize; //skip the header
filedata += datasize; //and skip the low-res image too.
mips->encoding = ImageVTF_VtfToFTE(vmffmt);
Image_BlockSizeForEncoding(mips->encoding, &bb, &bw, &bh);
miplevels = vtf->mipmapcount;
frames = 1;//vtf->numframes;
faces = ((mips->type==PTI_CUBEMAP)?6:1); //no cubemaps yet.
mips->mipcount = miplevels * frames * faces;
while (mips->mipcount > countof(mips->mip))
mips = NULL;
if (version >= 0x00070003)
{
if (miplevels > 1)
miplevels--;
else
frames--;
mips->mipcount = miplevels * frames * faces;
}
if (!mips->mipcount)
{
Z_Free(mips);
return NULL;
}
for (miplevel = vtf->mipmapcount; miplevel-- > 0;)
{ //smallest to largest, which is awkward.
w = vtf->width>>miplevel;
h = vtf->height>>miplevel;
if (!w)
w = 1;
if (!h)
h = 1;
datasize = ((w+bw-1)/bw) * ((h+bh-1)/bh) * bb;
for (frame = 0; frame < vtf->numframes; frame++)
int i;
struct
{
for (face = 0; face < faces; face++)
unsigned int rtype;
unsigned int rdata; //usually an offset.
} *restable = (void*)(filedata+sizeof(*vtf));
for (i = 0; i < vtf->numresources; i++, restable++)
{
if ((restable->rtype & 0x00ffffff) == 0x30)
{
if (miplevel < miplevels && face < faces)
mips = Z_Malloc(sizeof(*mips));
mips->extrafree = filedata;
filedata += restable->rdata;
break;
}
//other unknown resource types.
}
}
if (!mips)
{
mips = Z_Malloc(sizeof(*mips));
mips->extrafree = filedata;
//skip the header
filedata += vtf->headersize;
//and skip the low-res image too.
if (vtf->lowreswidth && vtf->lowresheight)
Image_BlockSizeForEncoding(ImageVTF_VtfToFTE(lrfmt), &bb, &bw, &bh);
else
bb=bw=bh=1;
datasize = ((vtf->lowreswidth+bw-1)/bw) * ((vtf->lowresheight+bh-1)/bh) * bb;
filedata += datasize;
}
//now handle the high-res image
if (mips)
{
mips->type = (vtf->flags & 0x4000)?PTI_CUBEMAP:PTI_2D;
mips->encoding = ImageVTF_VtfToFTE(vmffmt);
Image_BlockSizeForEncoding(mips->encoding, &bb, &bw, &bh);
miplevels = vtf->mipmapcount;
frames = 1;//vtf->numframes;
faces = ((mips->type==PTI_CUBEMAP)?6:1); //no cubemaps yet.
mips->mipcount = miplevels * frames * faces;
while (mips->mipcount > countof(mips->mip))
{
if (miplevels > 1)
miplevels--;
else
frames--;
mips->mipcount = miplevels * frames * faces;
}
if (!mips->mipcount)
{
Z_Free(mips);
return NULL;
}
for (miplevel = vtf->mipmapcount; miplevel-- > 0;)
{ //smallest to largest, which is awkward.
w = vtf->width>>miplevel;
h = vtf->height>>miplevel;
if (!w)
w = 1;
if (!h)
h = 1;
datasize = ((w+bw-1)/bw) * ((h+bh-1)/bh) * bb;
for (frame = 0; frame < vtf->numframes; frame++)
{
for (face = 0; face < faces; face++)
{
img = face+miplevel*faces + frame*miplevels*faces;
if (img >= countof(mips->mip))
break; //erk?
if (filedata + datasize > end)
break; //no more data here...
mips->mip[img].width = w;
mips->mip[img].height = h;
mips->mip[img].depth = 1;
mips->mip[img].data = filedata;
mips->mip[img].datasize = datasize;
if (miplevel < miplevels && face < faces)
{
img = face+miplevel*faces + frame*miplevels*faces;
if (img >= countof(mips->mip))
break; //erk?
if (filedata + datasize > end)
break; //no more data here...
mips->mip[img].width = w;
mips->mip[img].height = h;
mips->mip[img].depth = 1;
mips->mip[img].data = filedata;
mips->mip[img].datasize = datasize;
}
filedata += datasize;
}
filedata += datasize;
}
}
}
@ -10063,6 +10096,10 @@ static void Image_LoadHiResTextureWorker(void *ctx, void *data, size_t a, size_t
#ifdef IMAGEFMT_DDS
if (!mips)
mips = Image_ReadDDSFile(tex->flags, altname, buf, fsize);
#endif
#ifdef IMAGEFMT_VTF
if (!mips)
mips = Image_ReadVTFFile(tex->flags, altname, buf, fsize);
#endif
if (!mips)
BZ_Free(buf);