clray
annotate src/scene.h @ 25:58642a8316b7
continuing with the kdtree
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 14 Aug 2010 07:00:04 +0100 |
| parents | 13091c00d7ca |
| children | c740ae431d51 |
| rev | line source |
|---|---|
| nuclear@6 | 1 #ifndef MESH_H_ |
| nuclear@6 | 2 #define MESH_H_ |
| nuclear@6 | 3 |
| nuclear@23 | 4 #include <stdio.h> |
| nuclear@6 | 5 #include <vector> |
| nuclear@24 | 6 #include <list> |
| nuclear@6 | 7 |
| nuclear@6 | 8 struct Vertex { |
| nuclear@9 | 9 float pos[4]; |
| nuclear@9 | 10 float normal[4]; |
| nuclear@12 | 11 float tex[4]; |
| nuclear@12 | 12 float padding[4]; |
| nuclear@6 | 13 }; |
| nuclear@6 | 14 |
| nuclear@6 | 15 struct Face { |
| nuclear@6 | 16 Vertex v[3]; |
| nuclear@9 | 17 float normal[4]; |
| nuclear@6 | 18 int matid; |
| nuclear@12 | 19 int padding[3]; |
| John@15 | 20 |
| John@15 | 21 bool operator ==(const Face &f) const; |
| nuclear@6 | 22 }; |
| nuclear@6 | 23 |
| nuclear@6 | 24 struct Material { |
| nuclear@9 | 25 float kd[4], ks[4]; |
| nuclear@6 | 26 float kr, kt; |
| nuclear@6 | 27 float spow; |
| nuclear@12 | 28 float padding; |
| nuclear@6 | 29 }; |
| nuclear@6 | 30 |
| nuclear@6 | 31 struct Mesh { |
| nuclear@6 | 32 std::vector<Face> faces; |
| nuclear@6 | 33 int matid; |
| nuclear@6 | 34 }; |
| nuclear@6 | 35 |
| nuclear@25 | 36 class AABBox { |
| nuclear@25 | 37 public: |
| nuclear@25 | 38 float min[4], max[4]; |
| nuclear@25 | 39 |
| nuclear@25 | 40 float calc_surface_area() const; |
| nuclear@25 | 41 }; |
| nuclear@25 | 42 |
| nuclear@23 | 43 enum { |
| nuclear@22 | 44 KDAXIS_X, |
| nuclear@22 | 45 KDAXIS_Y, |
| nuclear@22 | 46 KDAXIS_Z |
| nuclear@22 | 47 }; |
| nuclear@22 | 48 |
| nuclear@22 | 49 #define KDCLEAR(node) ((node)->axis = -1) |
| nuclear@22 | 50 #define KDUSED(node) ((node)->axis >= 0) |
| nuclear@22 | 51 #define KDPARENT(x) ((x) >> 1) |
| nuclear@22 | 52 #define KDLEFT(x) ((x) << 1) |
| nuclear@22 | 53 #define KDRIGHT(x) (((x) << 1) + 1) |
| nuclear@22 | 54 |
| nuclear@22 | 55 struct KDNode { |
| nuclear@22 | 56 int axis; |
| nuclear@22 | 57 float pt; |
| nuclear@25 | 58 AABBox aabb; |
| nuclear@24 | 59 |
| nuclear@24 | 60 KDNode *left, *right; |
| nuclear@25 | 61 std::list<const Face*> faces; |
| nuclear@23 | 62 }; |
| nuclear@22 | 63 |
| nuclear@24 | 64 struct KDNodeGPU { |
| nuclear@24 | 65 int axis; |
| nuclear@24 | 66 float pt; |
| nuclear@24 | 67 }; |
| nuclear@24 | 68 |
| nuclear@24 | 69 |
| nuclear@6 | 70 class Scene { |
| nuclear@24 | 71 private: |
| nuclear@24 | 72 mutable Face *facebuf; |
| nuclear@24 | 73 mutable int num_faces; |
| nuclear@24 | 74 |
| nuclear@6 | 75 public: |
| nuclear@6 | 76 std::vector<Mesh*> meshes; |
| nuclear@6 | 77 std::vector<Material> matlib; |
| nuclear@24 | 78 |
| nuclear@24 | 79 KDNode *kdtree; |
| nuclear@24 | 80 std::vector<KDNode> kdtree_gpu; |
| nuclear@24 | 81 |
| nuclear@24 | 82 Scene(); |
| nuclear@24 | 83 ~Scene(); |
| nuclear@6 | 84 |
| nuclear@13 | 85 bool add_mesh(Mesh *m); |
| John@14 | 86 int get_num_meshes() const; |
| John@14 | 87 int get_num_materials() const; |
| John@14 | 88 int get_num_faces() const; |
| nuclear@13 | 89 |
| John@14 | 90 Material *get_materials(); |
| John@14 | 91 const Material *get_materials() const; |
| nuclear@13 | 92 |
| nuclear@6 | 93 bool load(const char *fname); |
| nuclear@6 | 94 bool load(FILE *fp); |
| nuclear@22 | 95 |
| nuclear@24 | 96 const Face *get_face_buffer() const; |
| nuclear@23 | 97 void build_kdtree(); |
| nuclear@6 | 98 }; |
| nuclear@6 | 99 |
| nuclear@6 | 100 #endif /* MESH_H_ */ |