implemented r_glsl_water cvar (refraction and reflection rendering)

[xonotic/darkplaces.git] / model_shared.h

diff --git a/model_shared.h b/model_shared.h
index 59fe7424737dce92e6b80b2219c8d1d611fbfe43..f179f7241f6044e10710baf9e0db73d37b5bcf19 100644 (file)
--- a/model_shared.h
+++ b/model_shared.h
@@ -182,14 +182,23 @@ 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
 {
@@ -204,6 +213,28 @@ typedef enum q3wavefunc_e
 }
 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,
@@ -260,6 +291,40 @@ typedef enum q3tcmod_e
 }
 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;
@@ -268,20 +333,22 @@ typedef struct q3shaderinfo_layer_s
        int numframes;
        char texturename[TEXTURE_MAXFRAMES][Q3PATHLENGTH];
        int blendfunc[2];
-       q3rgbgen_t rgbgen;
-       q3alphagen_t alphagen;
-       q3tcgen_t tcgen;
-       q3tcmod_t tcmod[Q3MAXTCMODS];
-       float rgbgen_parms[Q3RGBGEN_MAXPARMS];
-       q3wavefunc_t rgbgen_wavefunc;
-       float alphagen_parms[Q3ALPHAGEN_MAXPARMS];
-       q3wavefunc_t alphagen_wavefunc;
-       float tcgen_parms[Q3TCGEN_MAXPARMS];
-       float tcmod_parms[Q3MAXTCMODS][Q3TCMOD_MAXPARMS];
-       q3wavefunc_t tcmod_wavefunc[Q3MAXTCMODS];
+       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];
@@ -294,6 +361,7 @@ typedef struct q3shaderinfo_s
        q3shaderinfo_layer_t *primarylayer, *backgroundlayer;
        q3shaderinfo_layer_t layers[Q3SHADER_MAXLAYERS];
        char skyboxname[Q3PATHLENGTH];
+       q3shaderinfo_deform_t deforms[Q3MAXDEFORMS];
 }
 q3shaderinfo_t;
 
@@ -344,6 +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;
@@ -372,17 +446,11 @@ typedef struct texture_s
        matrix4x4_t currenttexmatrix;
 
        // various q3 shader features
-       q3rgbgen_t rgbgen;
-       q3alphagen_t alphagen;
-       q3tcgen_t tcgen;
-       q3tcmod_t tcmod[Q3MAXTCMODS];
-       float rgbgen_parms[Q3RGBGEN_MAXPARMS];
-       q3wavefunc_t rgbgen_wavefunc;
-       float alphagen_parms[Q3ALPHAGEN_MAXPARMS];
-       q3wavefunc_t alphagen_wavefunc;
-       float tcgen_parms[Q3TCGEN_MAXPARMS];
-       float tcmod_parms[Q3MAXTCMODS][Q3TCMOD_MAXPARMS];
-       q3wavefunc_t tcmod_wavefunc[Q3MAXTCMODS];
+       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;
@@ -391,6 +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];
@@ -746,8 +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)
@@ -856,6 +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);