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annotate src/scene.h @ 54:6a30f27fa1e6

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separated the OpenGL visualization and added a CPU raytracing mode
author John Tsiombikas <nuclear@member.fsf.org>
date Fri, 10 Sep 2010 16:47:00 +0100
parents 8047637961a2
children 8c858e1a89e8
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@45 7 #include "common.h"
nuclear@6 8
nuclear@6 9 struct Vertex {
nuclear@9 10 float pos[4];
nuclear@9 11 float normal[4];
nuclear@12 12 float tex[4];
nuclear@12 13 float padding[4];
nuclear@6 14 };
nuclear@6 15
nuclear@6 16 struct Face {
nuclear@6 17 Vertex v[3];
nuclear@9 18 float normal[4];
nuclear@6 19 int matid;
nuclear@12 20 int padding[3];
John@15 21
John@15 22 bool operator ==(const Face &f) const;
nuclear@6 23 };
nuclear@6 24
nuclear@6 25 struct Material {
nuclear@9 26 float kd[4], ks[4];
nuclear@6 27 float kr, kt;
nuclear@6 28 float spow;
nuclear@12 29 float padding;
nuclear@6 30 };
nuclear@6 31
nuclear@6 32 struct Mesh {
nuclear@6 33 std::vector<Face> faces;
nuclear@6 34 int matid;
nuclear@6 35 };
nuclear@6 36
nuclear@54 37 struct Light {
nuclear@54 38 float pos[4], color[4];
nuclear@54 39 };
nuclear@54 40
nuclear@25 41 class AABBox {
nuclear@25 42 public:
nuclear@25 43 float min[4], max[4];
nuclear@25 44
nuclear@25 45 float calc_surface_area() const;
nuclear@25 46 };
nuclear@25 47
nuclear@22 48 struct KDNode {
nuclear@37 49 int axis;
nuclear@25 50 AABBox aabb;
nuclear@26 51 float cost;
nuclear@24 52
nuclear@24 53 KDNode *left, *right;
nuclear@32 54 std::vector<int> face_idx;
nuclear@26 55
nuclear@26 56 KDNode();
nuclear@23 57 };
nuclear@22 58
nuclear@24 59 struct KDNodeGPU {
nuclear@28 60 AABBox aabb;
nuclear@43 61 int face_idx[MAX_NODE_FACES];
nuclear@28 62 int num_faces;
nuclear@35 63 int left, right;
nuclear@35 64 int padding;
nuclear@24 65 };
nuclear@24 66
nuclear@24 67
nuclear@6 68 class Scene {
nuclear@24 69 private:
nuclear@24 70 mutable Face *facebuf;
nuclear@24 71 mutable int num_faces;
nuclear@24 72
nuclear@28 73 mutable KDNodeGPU *kdbuf;
nuclear@28 74
nuclear@6 75 public:
nuclear@6 76 std::vector<Mesh*> meshes;
nuclear@54 77 std::vector<Light> lights;
nuclear@6 78 std::vector<Material> matlib;
nuclear@24 79 KDNode *kdtree;
nuclear@24 80
nuclear@24 81 Scene();
nuclear@24 82 ~Scene();
nuclear@6 83
nuclear@13 84 bool add_mesh(Mesh *m);
nuclear@54 85 bool add_light(const Light &lt);
nuclear@54 86
John@14 87 int get_num_meshes() const;
nuclear@54 88 int get_num_lights() const;
nuclear@35 89 int get_num_faces() const;
John@14 90 int get_num_materials() const;
nuclear@35 91 int get_num_kdnodes() const;
nuclear@13 92
nuclear@54 93 Mesh **get_meshes();
nuclear@54 94 const Mesh * const *get_meshes() const;
nuclear@54 95
nuclear@54 96 Light *get_lights();
nuclear@54 97 const Light *get_lights() const;
nuclear@54 98
John@14 99 Material *get_materials();
John@14 100 const Material *get_materials() const;
nuclear@13 101
nuclear@6 102 bool load(const char *fname);
nuclear@6 103 bool load(FILE *fp);
nuclear@22 104
nuclear@24 105 const Face *get_face_buffer() const;
nuclear@28 106 const KDNodeGPU *get_kdtree_buffer() const;
nuclear@27 107
nuclear@27 108 void draw_kdtree() const;
nuclear@27 109 bool build_kdtree();
nuclear@6 110 };
nuclear@6 111
nuclear@26 112 enum {
nuclear@26 113 ACCEL_PARAM_MAX_TREE_DEPTH,
nuclear@26 114 ACCEL_PARAM_MAX_NODE_ITEMS,
nuclear@26 115 ACCEL_PARAM_COST_TRAVERSE,
nuclear@26 116 ACCEL_PARAM_COST_INTERSECT,
nuclear@26 117
nuclear@26 118 NUM_ACCEL_PARAMS
nuclear@26 119 };
nuclear@26 120
nuclear@26 121 void set_accel_param(int p, int v);
nuclear@26 122
nuclear@28 123 int kdtree_depth(const KDNode *tree);
nuclear@28 124 int kdtree_nodes(const KDNode *tree);
nuclear@28 125
nuclear@32 126 bool kdtree_dump(const KDNode *tree, const char *fname);
nuclear@32 127 KDNode *kdtree_restore(const char *fname);
nuclear@32 128
nuclear@6 129 #endif /* MESH_H_ */