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@45: #include "common.h"
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];
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@54: struct Light {
nuclear@54: 	float pos[4], color[4];
nuclear@54: };
nuclear@54: 
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@22: struct KDNode {
nuclear@37: 	int axis;
nuclear@25: 	AABBox aabb;
nuclear@26: 	float cost;
nuclear@24: 
nuclear@24: 	KDNode *left, *right;
nuclear@32: 	std::vector<int> face_idx;
nuclear@26: 
nuclear@26: 	KDNode();
nuclear@23: };
nuclear@22: 
nuclear@24: struct KDNodeGPU {
nuclear@28: 	AABBox aabb;
nuclear@43: 	int face_idx[MAX_NODE_FACES];
nuclear@28: 	int num_faces;
nuclear@35: 	int left, right;
nuclear@35: 	int padding;
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@28: 	mutable KDNodeGPU *kdbuf;
nuclear@28: 
nuclear@6: public:
nuclear@6: 	std::vector<Mesh*> meshes;
nuclear@54: 	std::vector<Light> lights;
nuclear@6: 	std::vector<Material> matlib;
nuclear@24: 	KDNode *kdtree;
nuclear@24: 
nuclear@24: 	Scene();
nuclear@24: 	~Scene();
nuclear@6: 
nuclear@13: 	bool add_mesh(Mesh *m);
nuclear@54: 	bool add_light(const Light &lt);
nuclear@54: 
John@14: 	int get_num_meshes() const;
nuclear@54: 	int get_num_lights() const;
nuclear@35: 	int get_num_faces() const;
John@14: 	int get_num_materials() const;
nuclear@35: 	int get_num_kdnodes() const;
nuclear@13: 
nuclear@54: 	Mesh **get_meshes();
nuclear@54: 	const Mesh * const *get_meshes() const;
nuclear@54: 
nuclear@54: 	Light *get_lights();
nuclear@54: 	const Light *get_lights() const;
nuclear@54: 
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@28: 	const KDNodeGPU *get_kdtree_buffer() const;
nuclear@27: 
nuclear@27: 	void draw_kdtree() const;
nuclear@27: 	bool build_kdtree();
nuclear@6: };
nuclear@6: 
nuclear@26: enum {
nuclear@26: 	ACCEL_PARAM_MAX_TREE_DEPTH,
nuclear@26: 	ACCEL_PARAM_MAX_NODE_ITEMS,
nuclear@26: 	ACCEL_PARAM_COST_TRAVERSE,
nuclear@26: 	ACCEL_PARAM_COST_INTERSECT,
nuclear@26: 
nuclear@26: 	NUM_ACCEL_PARAMS
nuclear@26: };
nuclear@26: 
nuclear@26: void set_accel_param(int p, int v);
nuclear@26: 
nuclear@28: int kdtree_depth(const KDNode *tree);
nuclear@28: int kdtree_nodes(const KDNode *tree);
nuclear@28: 
nuclear@32: bool kdtree_dump(const KDNode *tree, const char *fname);
nuclear@32: KDNode *kdtree_restore(const char *fname);
nuclear@32: 
nuclear@6: #endif	/* MESH_H_ */