]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - model_shared.h
implemented r_glsl_water cvar (refraction and reflection rendering)
[xonotic/darkplaces.git] / model_shared.h
index 95826bd0e73fd5cb0d45d12db06b9faa3888fea0..f179f7241f6044e10710baf9e0db73d37b5bcf19 100644 (file)
@@ -182,7 +182,188 @@ typedef struct shadowmesh_s
 }
 shadowmesh_t;
 
+// various flags from shaders, used for special effects not otherwise classified
+// TODO: support these features more directly
+#define Q3TEXTUREFLAG_TWOSIDED 1
+#define Q3TEXTUREFLAG_NOPICMIP 16
+#define Q3TEXTUREFLAG_POLYGONOFFSET 32
+
+#define Q3PATHLENGTH 64
 #define TEXTURE_MAXFRAMES 64
+#define Q3WAVEPARMS 4
+#define Q3DEFORM_MAXPARMS 3
+#define Q3SHADER_MAXLAYERS 8
+#define Q3RGBGEN_MAXPARMS 3
+#define Q3ALPHAGEN_MAXPARMS 1
+#define Q3TCGEN_MAXPARMS 6
+#define Q3TCMOD_MAXPARMS 6
+#define Q3MAXTCMODS 4
+#define Q3MAXDEFORMS 4
+
+typedef enum q3wavefunc_e
+{
+       Q3WAVEFUNC_NONE,
+       Q3WAVEFUNC_INVERSESAWTOOTH,
+       Q3WAVEFUNC_NOISE,
+       Q3WAVEFUNC_SAWTOOTH,
+       Q3WAVEFUNC_SIN,
+       Q3WAVEFUNC_SQUARE,
+       Q3WAVEFUNC_TRIANGLE,
+       Q3WAVEFUNC_COUNT
+}
+q3wavefunc_t;
+
+typedef enum q3deform_e
+{
+       Q3DEFORM_NONE,
+       Q3DEFORM_PROJECTIONSHADOW,
+       Q3DEFORM_AUTOSPRITE,
+       Q3DEFORM_AUTOSPRITE2,
+       Q3DEFORM_TEXT0,
+       Q3DEFORM_TEXT1,
+       Q3DEFORM_TEXT2,
+       Q3DEFORM_TEXT3,
+       Q3DEFORM_TEXT4,
+       Q3DEFORM_TEXT5,
+       Q3DEFORM_TEXT6,
+       Q3DEFORM_TEXT7,
+       Q3DEFORM_BULGE,
+       Q3DEFORM_WAVE,
+       Q3DEFORM_NORMAL,
+       Q3DEFORM_MOVE,
+       Q3DEFORM_COUNT
+}
+q3deform_t;
+
+typedef enum q3rgbgen_e
+{
+       Q3RGBGEN_IDENTITY,
+       Q3RGBGEN_CONST,
+       Q3RGBGEN_ENTITY,
+       Q3RGBGEN_EXACTVERTEX,
+       Q3RGBGEN_IDENTITYLIGHTING,
+       Q3RGBGEN_LIGHTINGDIFFUSE,
+       Q3RGBGEN_ONEMINUSENTITY,
+       Q3RGBGEN_ONEMINUSVERTEX,
+       Q3RGBGEN_VERTEX,
+       Q3RGBGEN_WAVE,
+       Q3RGBGEN_COUNT
+}
+q3rgbgen_t;
+
+typedef enum q3alphagen_e
+{
+       Q3ALPHAGEN_IDENTITY,
+       Q3ALPHAGEN_CONST,
+       Q3ALPHAGEN_ENTITY,
+       Q3ALPHAGEN_LIGHTINGSPECULAR,
+       Q3ALPHAGEN_ONEMINUSENTITY,
+       Q3ALPHAGEN_ONEMINUSVERTEX,
+       Q3ALPHAGEN_PORTAL,
+       Q3ALPHAGEN_VERTEX,
+       Q3ALPHAGEN_WAVE,
+       Q3ALPHAGEN_COUNT
+}
+q3alphagen_t;
+
+typedef enum q3tcgen_e
+{
+       Q3TCGEN_NONE,
+       Q3TCGEN_TEXTURE, // very common
+       Q3TCGEN_ENVIRONMENT, // common
+       Q3TCGEN_LIGHTMAP,
+       Q3TCGEN_VECTOR,
+       Q3TCGEN_COUNT
+}
+q3tcgen_t;
+
+typedef enum q3tcmod_e
+{
+       Q3TCMOD_NONE,
+       Q3TCMOD_ENTITYTRANSLATE,
+       Q3TCMOD_ROTATE,
+       Q3TCMOD_SCALE,
+       Q3TCMOD_SCROLL,
+       Q3TCMOD_STRETCH,
+       Q3TCMOD_TRANSFORM,
+       Q3TCMOD_TURBULENT,
+       Q3TCMOD_COUNT
+}
+q3tcmod_t;
+
+typedef struct q3shaderinfo_layer_rgbgen_s
+{
+       q3rgbgen_t rgbgen;
+       float parms[Q3RGBGEN_MAXPARMS];
+       q3wavefunc_t wavefunc;
+       float waveparms[Q3WAVEPARMS];
+}
+q3shaderinfo_layer_rgbgen_t;
+
+typedef struct q3shaderinfo_layer_alphagen_s
+{
+       q3alphagen_t alphagen;
+       float parms[Q3ALPHAGEN_MAXPARMS];
+       q3wavefunc_t wavefunc;
+       float waveparms[Q3WAVEPARMS];
+}
+q3shaderinfo_layer_alphagen_t;
+
+typedef struct q3shaderinfo_layer_tcgen_s
+{
+       q3tcgen_t tcgen;
+       float parms[Q3TCGEN_MAXPARMS];
+}
+q3shaderinfo_layer_tcgen_t;
+
+typedef struct q3shaderinfo_layer_tcmod_s
+{
+       q3tcmod_t tcmod;
+       float parms[Q3TCMOD_MAXPARMS];
+       q3wavefunc_t wavefunc;
+       float waveparms[Q3WAVEPARMS];
+}
+q3shaderinfo_layer_tcmod_t;
+
+typedef struct q3shaderinfo_layer_s
+{
+       int alphatest;
+       int clampmap;
+       float framerate;
+       int numframes;
+       char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
+       int blendfunc[2];
+       q3shaderinfo_layer_rgbgen_t rgbgen;
+       q3shaderinfo_layer_alphagen_t alphagen;
+       q3shaderinfo_layer_tcgen_t tcgen;
+       q3shaderinfo_layer_tcmod_t tcmods[Q3MAXTCMODS];
+}
+q3shaderinfo_layer_t;
+
+typedef struct q3shaderinfo_deform_s
+{
+       q3deform_t deform;
+       float parms[Q3DEFORM_MAXPARMS];
+       q3wavefunc_t wavefunc;
+       float waveparms[Q3WAVEPARMS];
+}
+q3shaderinfo_deform_t;
+
+typedef struct q3shaderinfo_s
+{
+       char name[Q3PATHLENGTH];
+       int surfaceparms;
+       int textureflags;
+       int numlayers;
+       qboolean lighting;
+       qboolean vertexalpha;
+       qboolean textureblendalpha;
+       q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
+       q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
+       char skyboxname[Q3PATHLENGTH];
+       q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
+}
+q3shaderinfo_t;
 
 typedef enum texturelayertype_e
 {
@@ -231,6 +412,12 @@ typedef struct texture_s
        // current material flags (updated each bmodel render)
        int currentmaterialflags;
 
+       // current PolygonOffset values for rendering this material
+       float currentpolygonfactor;
+       float currentpolygonoffset;
+       float basepolygonfactor;
+       float basepolygonoffset;
+
        // textures to use when rendering this material
        skinframe_t *currentskinframe;
        int numskinframes;
@@ -258,6 +445,13 @@ typedef struct texture_s
        // current texture transform matrix (used for water scrolling)
        matrix4x4_t currenttexmatrix;
 
+       // 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_deform_t deforms[Q3MAXDEFORMS];
+
        qboolean colormapping;
        rtexture_t *basetexture;
        rtexture_t *glosstexture;
@@ -265,6 +459,8 @@ typedef struct texture_s
        rtexture_t *backgroundglosstexture;
        float specularscale;
        float specularpower;
+       // color tint (colormod * currentalpha) used for rtlighting this material
+       float dlightcolor[3];
 
        // from q3 shaders
        int customblendfunc[2];
@@ -620,8 +816,12 @@ typedef struct model_s
        msurface_lightmapinfo_t *data_surfaces_lightmapinfo;
        // all surfaces belong to this mesh
        surfmesh_t              surfmesh;
+       // data type of model
+       const char              *modeldatatypestring;
        // draw the model's sky polygons (only used by brush models)
        void(*DrawSky)(struct entity_render_s *ent);
+       // draw refraction/reflection textures for the model's water polygons (only used by brush models)
+       void(*DrawAddWaterPlanes)(struct entity_render_s *ent);
        // draw the model using lightmap/dlight shading
        void(*Draw)(struct entity_render_s *ent);
        // draw the model to the depth buffer (no color rendering at all)
@@ -693,116 +893,6 @@ shadowmesh_t *Mod_ShadowMesh_Finish(mempool_t *mempool, shadowmesh_t *firstmesh,
 void Mod_ShadowMesh_CalcBBox(shadowmesh_t *firstmesh, vec3_t mins, vec3_t maxs, vec3_t center, float *radius);
 void Mod_ShadowMesh_Free(shadowmesh_t *mesh);
 
-#define Q3SHADER_MAXLAYERS 8
-#define Q3RGBGEN_MAXPARMS 3
-#define Q3ALPHAGEN_MAXPARMS 1
-#define Q3TCGEN_MAXPARMS 6
-#define Q3TCMOD_MAXPARMS 6
-
-typedef enum q3wavefunc_e
-{
-       Q3WAVEFUNC_NONE,
-       Q3WAVEFUNC_INVERSESAWTOOTH,
-       Q3WAVEFUNC_NOISE,
-       Q3WAVEFUNC_SAWTOOTH,
-       Q3WAVEFUNC_SIN,
-       Q3WAVEFUNC_SQUARE,
-       Q3WAVEFUNC_TRIANGLE,
-       Q3WAVEFUNC_COUNT
-}
-q3wavefunc_t;
-
-typedef enum q3rgbgen_e
-{
-       Q3RGBGEN_IDENTITY,
-       Q3RGBGEN_CONST,
-       Q3RGBGEN_ENTITY,
-       Q3RGBGEN_EXACTVERTEX,
-       Q3RGBGEN_IDENTITYLIGHTING,
-       Q3RGBGEN_LIGHTINGDIFFUSE,
-       Q3RGBGEN_ONEMINUSENTITY,
-       Q3RGBGEN_ONEMINUSVERTEX,
-       Q3RGBGEN_VERTEX,
-       Q3RGBGEN_WAVE,
-       Q3RGBGEN_COUNT
-}
-q3rgbgen_t;
-
-typedef enum q3alphagen_e
-{
-       Q3ALPHAGEN_IDENTITY,
-       Q3ALPHAGEN_CONST,
-       Q3ALPHAGEN_ENTITY,
-       Q3ALPHAGEN_LIGHTINGSPECULAR,
-       Q3ALPHAGEN_ONEMINUSENTITY,
-       Q3ALPHAGEN_ONEMINUSVERTEX,
-       Q3ALPHAGEN_PORTAL,
-       Q3ALPHAGEN_VERTEX,
-       Q3ALPHAGEN_WAVE,
-       Q3ALPHAGEN_COUNT
-}
-q3alphagen_t;
-
-typedef enum q3tcgen_e
-{
-       Q3TCGEN_NONE,
-       Q3TCGEN_TEXTURE, // very common
-       Q3TCGEN_ENVIRONMENT, // common
-       Q3TCGEN_LIGHTMAP,
-       Q3TCGEN_VECTOR,
-       Q3TCGEN_COUNT
-}
-q3tcgen_t;
-
-typedef enum q3tcmod_e
-{
-       Q3TCMOD_NONE,
-       Q3TCMOD_ENTITYTRANSLATE,
-       Q3TCMOD_ROTATE,
-       Q3TCMOD_SCALE,
-       Q3TCMOD_SCROLL,
-       Q3TCMOD_STRETCH,
-       Q3TCMOD_TRANSFORM,
-       Q3TCMOD_TURB,
-       Q3TCMOD_COUNT
-}
-q3tcmod_t;
-
-typedef struct q3shaderinfo_layer_s
-{
-       int alphatest;
-       int clampmap;
-       float framerate;
-       int numframes;
-       char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
-       int blendfunc[2];
-       q3rgbgen_t rgbgen;
-       q3alphagen_t alphagen;
-       q3tcgen_t tcgen;
-       q3tcmod_t tcmod;
-       float rgbgen_parms[Q3RGBGEN_MAXPARMS];
-       float alphagen_parms[Q3ALPHAGEN_MAXPARMS];
-       float tcgen_parms[Q3TCGEN_MAXPARMS];
-       float tcmod_parms[Q3TCMOD_MAXPARMS];
-       q3wavefunc_t tcmod_wavefunc;
-}
-q3shaderinfo_layer_t;
-
-typedef struct q3shaderinfo_s
-{
-       char name[Q3PATHLENGTH];
-       int surfaceparms;
-       int textureflags;
-       int numlayers;
-       qboolean lighting;
-       qboolean vertexalpha;
-       qboolean textureblendalpha;
-       q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
-       q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
-       char skyboxname[Q3PATHLENGTH];
-}
-q3shaderinfo_t;
-
 void Mod_LoadQ3Shaders(void);
 q3shaderinfo_t *Mod_LookupQ3Shader(const char *name);
 qboolean Mod_LoadTextureFromQ3Shader(texture_t *texture, const char *name, qboolean q1bsp, qboolean q3bsp, qboolean md3);
@@ -840,6 +930,7 @@ int Mod_Q1BSP_SuperContentsFromNativeContents(struct model_s *model, int nativec
 
 // a lot of model formats use the Q1BSP code, so here are the prototypes...
 struct entity_render_s;
+void R_Q1BSP_DrawAddWaterPlanes(struct entity_render_s *ent);
 void R_Q1BSP_DrawSky(struct entity_render_s *ent);
 void R_Q1BSP_Draw(struct entity_render_s *ent);
 void R_Q1BSP_DrawDepth(struct entity_render_s *ent);