nuclear@6: #ifndef MESH_H_
nuclear@6: #define MESH_H_
nuclear@6: 
nuclear@23: #include <stdio.h>
nuclear@6: #include <vector>
nuclear@24: #include <list>
nuclear@6: 
nuclear@6: struct Vertex {
nuclear@9: 	float pos[4];
nuclear@9: 	float normal[4];
nuclear@12: 	float tex[4];
nuclear@12: 	float padding[4];
nuclear@6: };
nuclear@6: 
nuclear@6: struct Face {
nuclear@6: 	Vertex v[3];
nuclear@9: 	float normal[4];
nuclear@6: 	int matid;
nuclear@12: 	int padding[3];
John@15: 
John@15: 	bool operator ==(const Face &f) const;
nuclear@6: };
nuclear@6: 
nuclear@6: struct Material {
nuclear@9: 	float kd[4], ks[4];
nuclear@6: 	float kr, kt;
nuclear@6: 	float spow;
nuclear@12: 	float padding;
nuclear@6: };
nuclear@6: 
nuclear@6: struct Mesh {
nuclear@6: 	std::vector<Face> faces;
nuclear@6: 	int matid;
nuclear@6: };
nuclear@6: 
nuclear@25: class AABBox {
nuclear@25: public:
nuclear@25: 	float min[4], max[4];
nuclear@25: 
nuclear@25: 	float calc_surface_area() const;
nuclear@25: };
nuclear@25: 
nuclear@23: enum {
nuclear@22: 	KDAXIS_X,
nuclear@22: 	KDAXIS_Y,
nuclear@22: 	KDAXIS_Z
nuclear@22: };
nuclear@22: 
nuclear@22: #define KDCLEAR(node)	((node)->axis = -1)
nuclear@22: #define KDUSED(node)	((node)->axis >= 0)
nuclear@22: #define KDPARENT(x)		((x) >> 1)
nuclear@22: #define KDLEFT(x)		((x) << 1)
nuclear@22: #define KDRIGHT(x)		(((x) << 1) + 1)
nuclear@22: 
nuclear@22: struct KDNode {
nuclear@22: 	int axis;
nuclear@22: 	float pt;
nuclear@25: 	AABBox aabb;
nuclear@24: 
nuclear@24: 	KDNode *left, *right;
nuclear@25: 	std::list<const Face*> faces;
nuclear@23: };
nuclear@22: 
nuclear@24: struct KDNodeGPU {
nuclear@24: 	int axis;
nuclear@24: 	float pt;
nuclear@24: };
nuclear@24: 
nuclear@24: 
nuclear@6: class Scene {
nuclear@24: private:
nuclear@24: 	mutable Face *facebuf;
nuclear@24: 	mutable int num_faces;
nuclear@24: 
nuclear@6: public:
nuclear@6: 	std::vector<Mesh*> meshes;
nuclear@6: 	std::vector<Material> matlib;
nuclear@24: 
nuclear@24: 	KDNode *kdtree;
nuclear@24: 	std::vector<KDNode> kdtree_gpu;
nuclear@24: 
nuclear@24: 	Scene();
nuclear@24: 	~Scene();
nuclear@6: 
nuclear@13: 	bool add_mesh(Mesh *m);
John@14: 	int get_num_meshes() const;
John@14: 	int get_num_materials() const;
John@14: 	int get_num_faces() const;
nuclear@13: 
John@14: 	Material *get_materials();
John@14: 	const Material *get_materials() const;
nuclear@13: 
nuclear@6: 	bool load(const char *fname);
nuclear@6: 	bool load(FILE *fp);
nuclear@22: 
nuclear@24: 	const Face *get_face_buffer() const;
nuclear@23: 	void build_kdtree();
nuclear@6: };
nuclear@6: 
nuclear@6: #endif	/* MESH_H_ */