1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
render/model.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_MODEL_H__
#define __INCLUDED_CORE_MODEL_H__
namespace core
{
class Model;
}
#include <vector>
#include <map>
#include <list>
#include "math/mathlib.h"
#include "math/plane3f.h"
#include "core/entity.h"
namespace core
{
/// size of the global vertex array - 32M
const size_t VERTEXARRAYSIZE=65536*512;
const int SPHERESEGMENTS=33;
/// global vertex array
class VertexArray
{
public:
/// model vertices
static float vertex[VERTEXARRAYSIZE];
static float vertex_color[VERTEXARRAYSIZE];
static float vertex_normal[VERTEXARRAYSIZE];
static size_t vertex_index;
static void clear();
static void add_vertex(math::Vector3f const &v, math::Vector3f const &n, math::Color const &color);
private:
static void add_sphere();
};
/// a model triangle
class Triangle
{
public:
/// a new triangle with 3 vertices, a normal, color and a detail flag
Triangle(math::Vector3f const &v0, math::Vector3f const &v1, math::Vector3f const &v2, math::Vector3f const &n,
math::Color *color=0, bool detail=false);
~Triangle();
/// normal of the triangle
inline math::Vector3f const & normal() const { return triangle_normal; }
/// color of the triangle
inline math::Color const & color() const { return triangle_color;}
/// indidcates if this triangle was generated from a detail brush
inline bool detail() const { return triangle_detail; }
/// triangle vertex 0
math::Vector3f triangle_v0;
/// triangle vertex 1
math::Vector3f triangle_v1;
/// triangle vertex 2
math::Vector3f triangle_v2;
private:
math::Vector3f triangle_normal;
math::Color triangle_color;
bool triangle_detail;
};
/// a spacecraft engine
class Engine
{
public:
Engine(math::Vector3f const & location);
~Engine();
inline math::Vector3f const & location() const
{
return engine_location;
}
math::Vector3f engine_location;
};
/// an exterior light
class Light
{
public:
Light(math::Vector3f const & location, math::Color const & color, bool strobe=false);
~Light();
inline math::Vector3f const & location() const { return light_location; }
inline math::Color const & color() const { return light_color; };
inline bool strobe() const { return light_strobe; }
math::Vector3f light_location;
math::Color light_color;
bool light_strobe;
};
/// a 3D model contains a list of faces
class Model
{
public:
/// load a model from disk
Model(std::string const & name);
~Model();
/// the name of the model
inline std::string const & name() const
{
return model_name;
}
/// maximum values of the bounding box
inline math::Vector3f const & maxbbox() const { return model_maxbbox; }
/// minimum values of the bounding box
inline math::Vector3f const & minbbox() const { return model_minbbox; }
/// first vertex in the global VertexArray
inline size_t first_vertex() const { return model_first_vertex; }
/// number of structural vertices in this model
inline size_t vertex_structural() const { return model_vertex_count; }
/// number of detail vertices
inline size_t vertex_detail() const { return model_vertex_countdetail; }
/// first vertex in the global VertexArray
inline size_t first_evertex() const { return model_first_evertex; }
/// number of structural evertices in this model
inline size_t evertex_structural() const { return model_evertex_count; }
/// number of detail evertices in this model
inline size_t evertex_detail() const { return model_evertex_countdetail; }
/// total number of triangles in this model
size_t tris() const;
/// number of detail triangles in this model
size_t details() const;
/// radius
inline float radius() const { return model_radius; }
/// the Model registry
static std::map<std::string, Model*> registry;
/* ---- static functions for the Model registry -------------------- */
/// get name model, returns 0 if not found
static Model *find(std::string const & name);
/// get named model from the registry and load it if necessary
static Model *get(std::string const & name);
/// clear the model registry
static void clear();
/// list the content of the model registry
static void list();
/// list of Engines
std::list<Engine *> model_engine;
/// list of Lights
std::list<Light *> model_light;
private:
void make_face(math::Plane3f *face, std::vector<math::Plane3f *> & planes, bool detail);
void add_engine(Engine *engine);
void add_light(Light *light);
std::string model_name;
float model_radius;
float model_scale;
bool model_valid;
math::Vector3f model_maxbbox;
math::Vector3f model_minbbox;
// tmp lists with triangles
std::list<Triangle *> model_tris;
std::list<Triangle *> model_etris;
size_t model_first_vertex;
size_t model_vertex_count;
size_t model_vertex_countdetail;
size_t model_first_evertex;
size_t model_evertex_count;
size_t model_evertex_countdetail;
};
}
#endif // __INCLUDED_RENDER_MODEL_H__
|
