massive coding has been done on shadow volumes (some scrapped code which will be...

[xonotic/darkplaces.git] / model_shared.h

diff --git a/model_shared.h b/model_shared.h
index c58b238366107190284b47069823af4f2e58e0f8..998e02844cfe82036806bd2eab785638f0527fbf 100644 (file)
--- a/model_shared.h
+++ b/model_shared.h
@@ -58,6 +58,17 @@ skinframe_t;
 
 #define MAX_SKINS 256
 
+typedef struct shadowmesh_s
+{
+       struct shadowmesh_s *next;
+       int numverts, maxverts;
+       int numtriangles, maxtriangles;
+       float *verts;
+       int *elements;
+       int *neighbors;
+}
+shadowmesh_t;
+
 
 #include "model_brush.h"
 #include "model_sprite.h"
@@ -176,6 +187,11 @@ typedef struct model_s
        int                             numlights;
        mlight_t                *lights;
 
+       // used only for casting dynamic shadow volumes
+       shadowmesh_t    *shadowmesh;
+       vec3_t                  shadowmesh_mins, shadowmesh_maxs, shadowmesh_center;
+       float                   shadowmesh_radius;
+
        // skin animation info
        animscene_t             *skinscenes; // [numskins]
        // skin frame info
@@ -202,6 +218,8 @@ typedef struct model_s
        void(*DrawSky)(struct entity_render_s *ent);
        // draw a fake shadow for the model
        void(*DrawFakeShadow)(struct entity_render_s *ent);
+       // draw a shadow volume for the model based on light source
+       void(*DrawShadowVolume)(struct entity_render_s *ent, vec3_t relativelightorigin, float lightradius, int visiblevolume);
 
        // memory pool for allocations
        mempool_t               *mempool;
@@ -241,5 +259,14 @@ extern char loadname[32];  // for hunk tags
 int Mod_FindTriangleWithEdge(int *elements, int numtriangles, int start, int end);
 void Mod_BuildTriangleNeighbors(int *neighbors, int *elements, int numtriangles);
 
+shadowmesh_t *Mod_ShadowMesh_Alloc(mempool_t *mempool, int maxverts);
+shadowmesh_t *Mod_ShadowMesh_ReAlloc(mempool_t *mempool, shadowmesh_t *oldmesh);
+int Mod_ShadowMesh_AddVertex(shadowmesh_t *mesh, float *v);
+void Mod_ShadowMesh_AddPolygon(mempool_t *mempool, shadowmesh_t *mesh, int numverts, float *verts);
+shadowmesh_t *Mod_ShadowMesh_Begin(mempool_t *mempool);
+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);
+
 #endif // __MODEL__