Overhauled quake3 shader loading such that it now produces shader passes that could...

[xonotic/darkplaces.git] / model_shared.h

diff --git a/model_shared.h b/model_shared.h
index b687b1f0481b116884243cdc3fbb2cc66e1e36db..834ac4d2906d39ceadb07dc586979ea1cf9d18dd 100644 (file)
--- a/model_shared.h
+++ b/model_shared.h
@@ -263,7 +263,7 @@ shadowmesh_t;
 #define TEXTURE_MAXFRAMES 64
 #define Q3WAVEPARMS 4
 #define Q3DEFORM_MAXPARMS 3
-#define Q3SHADER_MAXLAYERS 2 // FIXME support more than that (currently only two are used, so why keep more in RAM?)
+#define Q3SHADER_MAXLAYERS 8
 #define Q3RGBGEN_MAXPARMS 3
 #define Q3ALPHAGEN_MAXPARMS 1
 #define Q3TCGEN_MAXPARMS 6
@@ -451,7 +451,6 @@ typedef struct q3shaderinfo_s
        qboolean lighting;
        qboolean vertexalpha;
        qboolean textureblendalpha;
-       int primarylayer, backgroundlayer;
        q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
        char skyboxname[Q3PATHLENGTH];
        q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
@@ -503,6 +502,20 @@ typedef struct q3shaderinfo_s
 }
 q3shaderinfo_t;
 
+typedef struct texture_shaderpass_s
+{
+       qboolean alphatest; // FIXME: handle alphafunc properly
+       float framerate;
+       int numframes;
+       skinframe_t *skinframes[TEXTURE_MAXFRAMES];
+       int blendfunc[2];
+       q3shaderinfo_layer_rgbgen_t rgbgen;
+       q3shaderinfo_layer_alphagen_t alphagen;
+       q3shaderinfo_layer_tcgen_t tcgen;
+       q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
+}
+texture_shaderpass_t;
+
 typedef enum texturelayertype_e
 {
        TEXTURELAYERTYPE_INVALID,
@@ -546,16 +559,10 @@ typedef struct texture_s
        float biaspolygonfactor;
        float biaspolygonoffset;
 
-       // textures to use when rendering this material
+       // textures to use when rendering this material (derived from materialshaderpass)
        skinframe_t *currentskinframe;
-       int numskinframes;
-       float skinframerate;
-       skinframe_t *skinframes[TEXTURE_MAXFRAMES];
-       // background layer (for terrain texture blending)
+       // textures to use for terrain texture blending (derived from backgroundshaderpass)
        skinframe_t *backgroundcurrentskinframe;
-       int backgroundnumskinframes;
-       float backgroundskinframerate;
-       skinframe_t *backgroundskinframes[TEXTURE_MAXFRAMES];
 
        // total frames in sequence and alternate sequence
        int anim_total[2];
@@ -578,12 +585,14 @@ typedef struct texture_s
        matrix4x4_t currentbackgroundtexmatrix;
 
        // various q3 shader features
-       q3shaderinfo_layer_rgbgen_t rgbgen;
-       q3shaderinfo_layer_alphagen_t alphagen;
-       q3shaderinfo_layer_tcgen_t tcgen;
-       q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
-       q3shaderinfo_layer_tcmod_t backgroundtcmods[Q3MAXTCMODS];
        q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
+       texture_shaderpass_t *shaderpasses[Q3SHADER_MAXLAYERS]; // all shader passes in one array
+       texture_shaderpass_t *materialshaderpass; // equal to one of shaderpasses[] or NULL
+       texture_shaderpass_t *backgroundshaderpass; // equal to one of shaderpasses[] or NULL
+       unsigned char startpreshaderpass; // range within shaderpasses[]
+       unsigned char endpreshaderpass; // number of preshaderpasses
+       unsigned char startpostshaderpass; // range within shaderpasses[]
+       unsigned char endpostshaderpass; // number of postshaderpasses
 
        qboolean colormapping;
        rtexture_t *basetexture; // original texture without pants/shirt/glow
@@ -1146,6 +1155,8 @@ void Mod_FreeQ3Shaders(void);
 void Mod_LoadQ3Shaders(void);
 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean warnmissing, qboolean fallback, int defaulttexflags);
+texture_shaderpass_t *Mod_CreateShaderPass(skinframe_t *skinframe);
+texture_shaderpass_t *Mod_CreateShaderPassFromQ3ShaderLayer(q3shaderinfo_layer_t *layer, int layerindex, int texflags, const char *texturename);
 
 extern cvar_t r_mipskins;
 extern cvar_t r_mipnormalmaps;