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- split out the span generation from most texture classes

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Until now each subclass of FTexture had to implement the entire span generation itself, presumably so that a few classes can use simpler structures.
This does not work if a texture can have more than one pixel buffer as is needed for alpha textures.
Even though it means that some classes will allocate more data now, it's the only way to do it properly.
In addition this removes a significant amount of mostly redundant code from the texture classes.

- added alpha texture processing to all converted classes

As of now this is not active and not tested.
Note that as part of the conversion even those textures that were working as alphatextures will not look correct until the higher level code gets adjusted.
This commit is contained in:
Christoph Oelckers 2018-03-18 12:36:14 +01:00
commit 7e169eb76f
21 changed files with 484 additions and 1416 deletions
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75
src/r_data/models/models_voxel.cpp
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@ -53,23 +53,17 @@
//
//===========================================================================
class FVoxelTexture : public FTexture
class FVoxelTexture : public FWorldTexture
{
public:
FVoxelTexture(FVoxel *voxel);
~FVoxelTexture();
const uint8_t *GetColumn (unsigned int column, const Span **spans_out);
const uint8_t *GetPixels ();
void Unload ();
int CopyTrueColorPixels(FBitmap *bmp, int x, int y, int rotate, FCopyInfo *inf);
bool UseBasePalette() { return false; }
int CopyTrueColorPixels(FBitmap *bmp, int x, int y, int rotate, FCopyInfo *inf) override;
bool UseBasePalette() override { return false; }
uint8_t *MakeTexture(FRenderStyle style) override;
protected:
FVoxel *SourceVox;
uint8_t *Pixels;
};
//===========================================================================
@ -86,7 +80,6 @@ FVoxelTexture::FVoxelTexture(FVoxel *vox)
WidthBits = 4;
HeightBits = 4;
WidthMask = 15;
Pixels = NULL;
gl_info.bNoFilter = true;
gl_info.bNoCompress = true;
}
@ -97,54 +90,32 @@ FVoxelTexture::FVoxelTexture(FVoxel *vox)
//
//===========================================================================
FVoxelTexture::~FVoxelTexture()
{
}
const uint8_t *FVoxelTexture::GetColumn (unsigned int column, const Span **spans_out)
{
// not needed
return NULL;
}
const uint8_t *FVoxelTexture::GetPixels ()
uint8_t *FVoxelTexture::MakeTexture (FRenderStyle style)
{
// GetPixels gets called when a translated palette is used so we still need to implement it here.
if (Pixels == NULL)
auto Pixels = new uint8_t[256];
uint8_t *pp = SourceVox->Palette;
if(pp != NULL)
{
Pixels = new uint8_t[256];
uint8_t *pp = SourceVox->Palette;
if(pp != NULL)
for(int i=0;i<256;i++, pp+=3)
{
for(int i=0;i<256;i++, pp+=3)
{
PalEntry pe;
pe.r = (pp[0] << 2) | (pp[0] >> 4);
pe.g = (pp[1] << 2) | (pp[1] >> 4);
pe.b = (pp[2] << 2) | (pp[2] >> 4);
Pixels[i] = ColorMatcher.Pick(pe);
}
PalEntry pe;
pe.r = (pp[0] << 2) | (pp[0] >> 4);
pe.g = (pp[1] << 2) | (pp[1] >> 4);
pe.b = (pp[2] << 2) | (pp[2] >> 4);
// Alphatexture handling is just for completeness, but rather unlikely to be used ever.
Pixels[i] = (style.Flags & STYLEF_RedIsAlpha)? pe.r : ColorMatcher.Pick(pe);
}
else
{
for(int i=0;i<256;i++, pp+=3)
{
Pixels[i] = (uint8_t)i;
}
}
}
return Pixels;
}
void FVoxelTexture::Unload ()
{
if (Pixels != NULL)
else
{
delete[] Pixels;
Pixels = NULL;
}
for(int i=0;i<256;i++, pp+=3)
{
Pixels[i] = (uint8_t)i;
}
}
return Pixels;
}
//===========================================================================