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Fence texture support on brush models, e.g. for rmqdemo2 e1m6rq.bsp. Based on Baker's implementation in Fitz Mark V. Consistent with Fitz Mark V, RMQEngine, FTEQW rendering. 

Not implemented for world polys (afaik it's useless for world polys) but could be added if needed.

git-svn-id: svn+ssh://svn.code.sf.net/p/quakespasm/code/trunk@970 af15c1b1-3010-417e-b628-4374ebc0bcbd
This commit is contained in:
ewasylishen 2014-08-19 02:20:12 +00:00
parent 3cb4226ddc
commit 1afac37661
4 changed files with 54 additions and 9 deletions
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22
quakespasm/Quake/gl_model.c
View File

@ -491,6 +491,14 @@ void Mod_LoadTextures (lump_t *l)
}
else //regular texture
{
// ericw -- fence textures
int extraflags;
extraflags = 0;
if (tx->name[0] == '{')
extraflags |= TEXPREF_ALPHA;
// ericw
//external textures -- first look in "textures/mapname/" then look in "textures/"
mark = Hunk_LowMark ();
COM_StripExtension (loadmodel->name + 5, mapname, sizeof(mapname));
@ -506,7 +514,7 @@ void Mod_LoadTextures (lump_t *l)
if (data) //load external image
{
tx->gltexture = TexMgr_LoadImage (loadmodel, filename, fwidth, fheight,
SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP);
SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP | extraflags );
//now try to load glow/luma image from the same place
Hunk_FreeToLowMark (mark);
@ -518,7 +526,7 @@ void Mod_LoadTextures (lump_t *l)
if (data)
tx->fullbright = TexMgr_LoadImage (loadmodel, filename2, fwidth, fheight,
SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP );
SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP | extraflags );
}
else //use the texture from the bsp file
{
@ -527,15 +535,15 @@ void Mod_LoadTextures (lump_t *l)
if (Mod_CheckFullbrights ((byte *)(tx+1), pixels))
{
tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height,
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_NOBRIGHT);
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_NOBRIGHT | extraflags);
q_snprintf (texturename, sizeof(texturename), "%s:%s_glow", loadmodel->name, tx->name);
tx->fullbright = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height,
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_FULLBRIGHT);
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_FULLBRIGHT | extraflags);
}
else
{
tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height,
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP);
SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | extraflags);
}
}
Hunk_FreeToLowMark (mark);
@ -1178,6 +1186,10 @@ void Mod_LoadFaces (lump_t *l, qboolean bsp2)
Mod_PolyForUnlitSurface (out);
GL_SubdivideSurface (out);
}
else if (out->texinfo->texture->name[0] == '{') // ericw -- fence textures
{
out->flags |= SURF_DRAWFENCE;
}
else if (out->texinfo->flags & TEX_MISSING) // texture is missing from bsp
{
if (out->samples) //lightmapped

1
quakespasm/Quake/gl_model.h
View File

@ -99,6 +99,7 @@ typedef struct texture_s
#define SURF_DRAWBACKGROUND 0x40
#define SURF_UNDERWATER 0x80
#define SURF_NOTEXTURE 0x100 //johnfitz
#define SURF_DRAWFENCE 0x200
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct

21
quakespasm/Quake/gl_texmgr.c
View File

@ -39,7 +39,9 @@ gltexture_t *notexture, *nulltexture;
unsigned int d_8to24table[256];
unsigned int d_8to24table_fbright[256];
unsigned int d_8to24table_fbright_fence[256];
unsigned int d_8to24table_nobright[256];
unsigned int d_8to24table_nobright_fence[256];
unsigned int d_8to24table_conchars[256];
unsigned int d_8to24table_shirt[256];
unsigned int d_8to24table_pants[256];
@ -491,6 +493,14 @@ void TexMgr_LoadPalette (void)
dst[2] = dst[1] = dst[0] = 0;
}
//fullbright palette, for fence textures
memcpy(d_8to24table_fbright_fence, d_8to24table_fbright, 256*4);
d_8to24table_fbright_fence[255] = 0; // Alpha of zero.
//nobright palette, for fence textures
memcpy(d_8to24table_nobright_fence, d_8to24table_nobright, 256*4);
d_8to24table_nobright_fence[255] = 0; // Alpha of zero.
//conchars palette, 0 and 255 are transparent
memcpy(d_8to24table_conchars, d_8to24table, 256*4);
((byte *) &d_8to24table_conchars[0]) [3] = 0;
@ -1072,12 +1082,19 @@ static void TexMgr_LoadImage8 (gltexture_t *glt, byte *data)
// choose palette and padbyte
if (glt->flags & TEXPREF_FULLBRIGHT)
{
usepal = d_8to24table_fbright;
if (glt->flags & TEXPREF_ALPHA)
usepal = d_8to24table_fbright_fence;
else
usepal = d_8to24table_fbright;
padbyte = 0;
}
else if (glt->flags & TEXPREF_NOBRIGHT && gl_fullbrights.value)
{
usepal = d_8to24table_nobright;
if (glt->flags & TEXPREF_ALPHA)
usepal = d_8to24table_nobright_fence;
else
usepal = d_8to24table_nobright;
padbyte = 0;
}
else if (glt->flags & TEXPREF_CONCHARS)

19
quakespasm/Quake/r_brush.c
View File

@ -181,9 +181,17 @@ void R_DrawSequentialPoly (msurface_t *s)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glColor4f(1, 1, 1, entalpha);
}
if (s->flags & SURF_DRAWFENCE)
glEnable (GL_ALPHA_TEST); // Flip on alpha test
GL_Bind (t->gltexture);
DrawGLPoly (s->polys);
rs_brushpasses++;
if (s->flags & SURF_DRAWFENCE)
glDisable (GL_ALPHA_TEST); // Flip alpha test back off
if (entalpha < 1)
{
glDepthMask(GL_TRUE);
@ -307,6 +315,10 @@ void R_DrawSequentialPoly (msurface_t *s)
}
else
glColor3f(1, 1, 1);
if (s->flags & SURF_DRAWFENCE)
glEnable (GL_ALPHA_TEST); // Flip on alpha test
if (gl_overbright.value)
{
if (gl_texture_env_combine && gl_mtexable) //case 1: texture and lightmap in one pass, overbright using texture combiners
@ -336,7 +348,7 @@ void R_DrawSequentialPoly (msurface_t *s)
GL_DisableMultitexture ();
rs_brushpasses++;
}
else if (entalpha < 1) //case 2: can't do multipass if entity has alpha, so just draw the texture
else if (entalpha < 1 || (s->flags & SURF_DRAWFENCE)) //case 2: can't do multipass if entity has alpha, so just draw the texture
{
GL_Bind (t->gltexture);
DrawGLPoly (s->polys);
@ -409,7 +421,7 @@ void R_DrawSequentialPoly (msurface_t *s)
GL_DisableMultitexture ();
rs_brushpasses++;
}
else if (entalpha < 1) //case 5: can't do multipass if entity has alpha, so just draw the texture
else if (entalpha < 1 || (s->flags & SURF_DRAWFENCE)) //case 5: can't do multipass if entity has alpha, so just draw the texture
{
GL_Bind (t->gltexture);
DrawGLPoly (s->polys);
@ -468,6 +480,9 @@ void R_DrawSequentialPoly (msurface_t *s)
glColor3f(1, 1, 1);
}
if (s->flags & SURF_DRAWFENCE)
glDisable (GL_ALPHA_TEST); // Flip alpha test back off
fullbrights:
return; // ericw - optimization: moved to a separate pass through the polys
// so we're not constantly thrashing the texture bound in TEXTURE0