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FINALLY, COLORCUBIUM

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This commit is contained in:
Jaime Passos 2019-12-12 23:18:39 -03:00
parent 228b29e23b
commit 4e814cd424
3 changed files with 54 additions and 34 deletions
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12
src/hardware/hw_md2.c
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@ -373,6 +373,9 @@ static void md2_loadTexture(md2_t *model)
if (!grpatch->mipmap->downloaded && !grpatch->mipmap->grInfo.data)
{
int w = 0, h = 0;
UINT32 size;
RGBA_t *image;
#ifdef HAVE_PNG
grpatch->mipmap->grInfo.format = PNG_Load(filename, &w, &h, grpatch);
if (grpatch->mipmap->grInfo.format == 0)
@ -389,6 +392,15 @@ static void md2_loadTexture(md2_t *model)
grpatch->mipmap->width = (UINT16)w;
grpatch->mipmap->height = (UINT16)h;
// Lactozilla: Apply colour cube
image = grpatch->mipmap->grInfo.data;
size = w*h;
while (size--)
{
V_CubeApply(&image->s.red, &image->s.green, &image->s.blue);
image++;
}
#ifdef GLIDE_API_COMPATIBILITY
// not correct!
grpatch->mipmap->grInfo.smallLodLog2 = GR_LOD_LOG2_256;

28
src/v_video.c
View file

@ -95,6 +95,7 @@ Please check it out if you're trying to maintain this.
toast 18/04/17
*/
float Cubepal[2][2][2][3];
boolean Cubeapply = false;
// returns whether to apply cube, selectively avoiding expensive operations
static boolean InitCube(void)
@ -310,7 +311,7 @@ const UINT8 correctiontable[256] =
// keep a copy of the palette so that we can get the RGB value for a color index at any time.
static void LoadPalette(const char *lumpname)
{
boolean cube = InitCube();
Cubeapply = InitCube();
lumpnum_t lumpnum = W_GetNumForName(lumpname);
size_t i, palsize = W_LumpLength(lumpnum)/3;
UINT8 *pal;
@ -336,13 +337,20 @@ static void LoadPalette(const char *lumpname)
pMasterPalette[i].s.alpha = pLocalPalette[i].s.alpha = 0xFF;
// lerp of colour cubing! if you want, make it smoother yourself
if (cube)
{
V_CubeApply(&pLocalPalette[i].s.red, &pLocalPalette[i].s.green, &pLocalPalette[i].s.blue);
}
}
void V_CubeApply(UINT8 *red, UINT8 *green, UINT8 *blue)
{
float working[4][3];
float linear;
UINT8 q;
linear = (pLocalPalette[i].s.red/255.0);
if (!Cubeapply)
return;
linear = (*red/255.0);
#define dolerp(e1, e2) ((1 - linear)*e1 + linear*e2)
for (q = 0; q < 3; q++)
{
@ -351,13 +359,13 @@ static void LoadPalette(const char *lumpname)
working[2][q] = dolerp(Cubepal[0][0][1][q], Cubepal[1][0][1][q]);
working[3][q] = dolerp(Cubepal[0][1][1][q], Cubepal[1][1][1][q]);
}
linear = (pLocalPalette[i].s.green/255.0);
linear = (*green/255.0);
for (q = 0; q < 3; q++)
{
working[0][q] = dolerp(working[0][q], working[1][q]);
working[1][q] = dolerp(working[2][q], working[3][q]);
}
linear = (pLocalPalette[i].s.blue/255.0);
linear = (*blue/255.0);
for (q = 0; q < 3; q++)
{
working[0][q] = 255*dolerp(working[0][q], working[1][q]);
@ -368,11 +376,9 @@ static void LoadPalette(const char *lumpname)
}
#undef dolerp
pLocalPalette[i].s.red = (UINT8)(working[0][0]);
pLocalPalette[i].s.green = (UINT8)(working[0][1]);
pLocalPalette[i].s.blue = (UINT8)(working[0][2]);
}
}
*red = (UINT8)(working[0][0]);
*green = (UINT8)(working[0][1]);
*blue = (UINT8)(working[0][2]);
}
const char *R_GetPalname(UINT16 num)

2
src/v_video.h
View file

@ -48,6 +48,8 @@ const char *GetPalette(void);
extern RGBA_t *pLocalPalette;
extern RGBA_t *pMasterPalette;
void V_CubeApply(UINT8 *red, UINT8 *green, UINT8 *blue);
// Retrieve the ARGB value from a palette color index
#define V_GetColor(color) (pLocalPalette[color&0xFF])