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q64 sky texture now display correctly

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see https://github.com/Novum/vkQuake/pull/358
This commit is contained in:
Guillaume Plourde 2021-09-03 01:37:50 -04:00 committed by Ozkan Sezer
parent f13887e8a5
commit 0fc09fd95d
3 changed files with 65 additions and 9 deletions
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11
Quake/gl_model.c
View file

@ -457,8 +457,6 @@ void Mod_LoadTextures (lump_t *l)
extern byte *hunk_base;
//johnfitz
miptex64_t *mt64; //Quake64
//johnfitz -- don't return early if no textures; still need to create dummy texture
if (!l->filelen)
{
@ -526,7 +524,7 @@ void Mod_LoadTextures (lump_t *l)
}
else
{ // Q64 bsp
mt64 = (miptex64_t *)mt;
miptex64_t *mt64 = (miptex64_t *)mt;
tx->shift = LittleLong (mt64->shift);
memcpy ( tx+1, mt64+1, pixels);
}
@ -535,7 +533,12 @@ void Mod_LoadTextures (lump_t *l)
if (!isDedicated) //no texture uploading for dedicated server
{
if (!q_strncasecmp(tx->name,"sky",3)) //sky texture //also note -- was Q_strncmp, changed to match qbsp
{
if (loadmodel->bspversion == BSPVERSION_QUAKE64)
Sky_LoadTextureQ64 (tx);
else
Sky_LoadTexture (tx);
}
else if (tx->name[0] == '*') //warping texture
{
//external textures -- first look in "textures/mapname/" then look in "textures/"
@ -1284,7 +1287,7 @@ void Mod_LoadFaces (lump_t *l, qboolean bsp2)
// lighting info
if (loadmodel->bspversion == BSPVERSION_QUAKE64)
lofs /= 2; // Q64 lightdata is 2 bytes per samples {Tone, color}?
lofs /= 2; // Q64 samples are 16bits instead 8 in normal Quake
if (lofs == -1)
out->samples = NULL;

53
Quake/gl_sky.c
View file

@ -143,6 +143,59 @@ void Sky_LoadTexture (texture_t *mt)
skyflatcolor[2] = (float)b/(count*255);
}
/*
=============
Sky_LoadTextureQ64
Quake64 sky textures are 32*64
==============
*/
void Sky_LoadTextureQ64 (texture_t *mt)
{
char texturename[64];
int i, p, r, g, b, count;
byte *front, *back, *front_rgba;
unsigned *rgba;
// pointers to both layer textures
front = (byte *)(mt+1);
back = (byte *)(mt+1) + (32*32);
front_rgba = (byte *) Hunk_Alloc(4*(32*32));
// Normal indexed texture for the back layer
q_snprintf(texturename, sizeof(texturename), "%s:%s_back", loadmodel->name, mt->name);
solidskytexture = TexMgr_LoadImage (loadmodel, texturename, 32, 32, SRC_INDEXED, back, "", (src_offset_t)back, TEXPREF_NONE);
// front layer, convert to RGBA and upload
p = r = g = b = count = 0;
for (i=0 ; i < (32*32) ; i++)
{
rgba = &d_8to24table[*front++];
// RGB
front_rgba[p++] = ((byte*)rgba)[0];
front_rgba[p++] = ((byte*)rgba)[1];
front_rgba[p++] = ((byte*)rgba)[2];
// Alpha
front_rgba[p++] = 128; // this look ok to me!
// Fast sky
r += ((byte *)rgba)[0];
g += ((byte *)rgba)[1];
b += ((byte *)rgba)[2];
count++;
}
q_snprintf(texturename, sizeof(texturename), "%s:%s_front", loadmodel->name, mt->name);
alphaskytexture = TexMgr_LoadImage (loadmodel, texturename, 32, 32, SRC_RGBA, front_rgba, "", (src_offset_t)front_rgba, TEXPREF_NONE);
// calculate r_fastsky color based on average of all opaque foreground colors
skyflatcolor[0] = (float)r/(count*255);
skyflatcolor[1] = (float)g/(count*255);
skyflatcolor[2] = (float)b/(count*255);
}
/*
==================
Sky_LoadSkyBox

8
Quake/glquake.h
View file

@ -21,8 +21,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GLQUAKE_H
#define __GLQUAKE_H
#ifndef GLQUAKE_H
#define GLQUAKE_H
void GL_BeginRendering (int *x, int *y, int *width, int *height);
void GL_EndRendering (void);
@ -400,6 +400,7 @@ void Sky_ClearAll (void);
void Sky_DrawSky (void);
void Sky_NewMap (void);
void Sky_LoadTexture (texture_t *mt);
void Sky_LoadTextureQ64 (texture_t *mt);
void Sky_LoadSkyBox (const char *name);
void TexMgr_RecalcWarpImageSize (void);
@ -419,5 +420,4 @@ void R_ScaleView_DeleteTexture (void);
float GL_WaterAlphaForSurface (msurface_t *fa);
#endif /* __GLQUAKE_H */
#endif /* GLQUAKE_H */