1 | #ifndef ENTITY_H |
1 | #ifndef ENTITY_H |
2 | #define ENTITY_H |
2 | #define ENTITY_H |
3 | |
3 | |
4 | #include <GL/gl.h> |
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5 | |
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6 | #include <vector> |
4 | #include <vector> |
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5 | |
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6 | #include <iostream> |
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7 | #include "opengl.h" |
7 | |
8 | |
8 | #include "util.h" |
9 | #include "util.h" |
9 | #include "oct.h" |
10 | #include "oct.h" |
10 | #include "view.h" |
11 | #include "view.h" |
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12 | #include "material.h" |
11 | |
13 | |
12 | using namespace std; |
14 | using namespace std; |
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15 | using namespace gl; |
13 | |
16 | |
14 | struct entity_base { |
17 | struct geometry |
15 | struct entity_base *parent; |
18 | { |
16 | sector orig; |
19 | geometry *parent; |
17 | vector<octant *> o; |
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18 | box bbox; |
20 | box bbox; |
19 | |
21 | |
20 | virtual void update (); |
22 | virtual void update () |
21 | virtual void show () { world.add (this); }; |
23 | { |
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24 | if (parent) |
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25 | parent->update (); |
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26 | } |
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27 | |
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28 | virtual void draw (view &ctx) = 0; |
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29 | geometry (geometry *parent = 0) : parent(parent) { }; |
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30 | virtual ~geometry (); |
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31 | }; |
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32 | |
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33 | struct geometry_opengl : geometry |
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34 | { |
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35 | GLuint list; // TODO: dynamic caching |
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36 | |
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37 | geometry_opengl (); |
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38 | ~geometry_opengl (); |
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39 | }; |
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40 | |
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41 | template<GLenum type> |
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42 | struct geometry_opengl1d : geometry_opengl, vector<vertex_v3f> |
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43 | { |
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44 | void set (const vector<vertex_v3f> &v); |
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45 | void draw (view &ctx); |
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46 | }; |
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47 | |
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48 | template<GLenum type> |
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49 | struct geometry_opengl2d : geometry_opengl |
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50 | { |
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51 | material *m; |
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52 | |
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53 | geometry_opengl2d () : m(0) { }; |
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54 | |
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55 | void set (const vector<vertex_t2f_n3f_v3f> &v); |
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56 | void draw (view &ctx); |
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57 | }; |
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58 | |
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59 | typedef geometry_opengl1d<GL_POINTS> geometry_points; |
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60 | typedef geometry_opengl1d<GL_LINES> geometry_lines; |
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61 | typedef geometry_opengl1d<GL_LINE_STRIP> geometry_line_strip; |
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62 | typedef geometry_opengl1d<GL_LINE_LOOP> geometry_line_loop; |
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63 | typedef geometry_opengl2d<GL_TRIANGLES> geometry_triangles; |
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64 | typedef geometry_opengl2d<GL_TRIANGLE_STRIP> geometry_triangle_strip; |
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65 | typedef geometry_opengl2d<GL_TRIANGLE_FAN> geometry_triangle_fan; |
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66 | typedef geometry_opengl2d<GL_QUADS> geometry_quads; |
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67 | typedef geometry_opengl2d<GL_QUAD_STRIP> geometry_quad_strip; |
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68 | typedef geometry_opengl2d<GL_POLYGON> geometry_polygon; |
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69 | |
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70 | struct geometry_nurbs : geometry, vector<vertex_t2f_n3f_v3f> |
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71 | { |
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72 | GLUnurbsObj *nurb; |
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73 | GLUtesselator *tess; |
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74 | GLfloat ctlpoints[4][4][3]; |
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75 | |
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76 | geometry_nurbs() : tess(0), nurb(0) { } |
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77 | virtual void draw (view &ctx); |
22 | void hide (); |
78 | void set (); |
23 | void display (draw_context &ctx); |
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24 | virtual void draw (draw_context &ctx) = 0; |
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25 | |
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26 | entity_base (); |
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27 | virtual ~entity_base (); |
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28 | }; |
79 | }; |
29 | |
80 | |
30 | struct entity_container : entity_base, protected vector<entity_base *> { |
81 | struct geometry_sphere : geometry |
31 | void add (entity_base *e) |
82 | { |
32 | { |
83 | material *m; |
33 | push_back (e); |
84 | GLfloat radius; |
34 | e->parent = this; |
85 | |
35 | update (); |
86 | void update (); |
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87 | void draw (view &ctx); |
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88 | geometry_sphere (material *m, GLfloat radius) : m(m), radius(radius) { update (); }; |
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89 | }; |
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90 | |
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91 | struct geometry_indexed_2d : geometry |
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92 | { |
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93 | material *m; |
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94 | |
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95 | GLenum type; |
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96 | |
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97 | vertex_buffer vb; |
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98 | index_buffer ib; |
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99 | |
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100 | void draw (view &ctx); |
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101 | |
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102 | template <typename vertex, typename index> |
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103 | geometry_indexed_2d (material *m, GLenum type, const vector<vertex> &v, const vector<index> &i) |
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104 | : m(m), type(type) |
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105 | { |
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106 | vb.set (v); |
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107 | ib.set (i); |
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108 | |
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109 | bbox.reset (); |
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110 | for (typename vector<vertex>::const_iterator i = v.begin () ; i != v.end (); ++i) |
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111 | bbox.add (i->v); |
36 | } |
112 | } |
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113 | |
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114 | }; |
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115 | |
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116 | ///////////////////////////////////////////////////////////////////////////// |
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117 | |
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118 | struct geometry_filter : geometry |
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119 | { |
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120 | protected: |
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121 | geometry *g; |
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122 | public: |
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123 | |
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124 | void set (geometry *g); |
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125 | |
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126 | geometry *content () { return g; }; |
37 | |
127 | |
38 | void update (); |
128 | void update (); |
39 | void show (); |
129 | void show (); |
40 | void draw (draw_context &ctx); |
130 | void draw (view &ctx); |
41 | ~entity_container (); |
131 | geometry_filter (geometry *g = 0) { set (g); } |
42 | }; |
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43 | |
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44 | struct entity_filter : entity_base { |
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45 | protected: |
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46 | entity_base *e; |
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47 | public: |
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48 | |
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49 | void set (entity_base *e) |
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50 | { |
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51 | this->e = e; |
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52 | e->parent = this; |
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53 | update (); |
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54 | } |
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55 | |
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56 | void remove () |
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57 | { |
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58 | this->e->parent = 0; |
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59 | this->e = 0; |
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60 | } |
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61 | |
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62 | entity_base *content () { return e; }; |
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63 | |
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64 | void update (); |
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65 | void show (); |
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66 | void draw (draw_context &ctx); |
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67 | ~entity_filter (); |
132 | ~geometry_filter (); |
68 | }; |
133 | }; |
69 | |
134 | |
70 | struct entity : entity_filter { |
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71 | }; |
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72 | |
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73 | struct vertex1d { |
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74 | colour c; // colour |
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75 | point p; // vertex |
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76 | }; |
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77 | |
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78 | struct vertex2d { |
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79 | point p; // vertex |
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80 | vec3 n; // normal |
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81 | texc t; // texture |
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82 | |
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83 | vertex2d () { }; |
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84 | vertex2d (point p, vec3 n, texc t = texc()) : p(p), n(n), t(t) { }; |
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85 | }; |
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86 | |
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87 | struct entity_opengl : entity_base { |
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88 | GLuint list; |
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89 | |
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90 | entity_opengl (); |
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91 | ~entity_opengl (); |
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92 | }; |
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93 | |
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94 | template<GLenum type> |
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95 | struct entity_opengl1d : entity_opengl, vector<vertex1d> { |
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96 | void update (); |
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97 | void draw (draw_context &ctx); |
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98 | }; |
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99 | |
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100 | template<GLenum type> |
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101 | struct entity_opengl2d : entity_opengl { |
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102 | material m; |
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103 | |
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104 | void set (const vector<vertex2d> &v); |
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105 | void draw (draw_context &ctx); |
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106 | }; |
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107 | |
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108 | typedef entity_opengl1d<GL_POINTS> entity_points; |
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109 | typedef entity_opengl1d<GL_LINES> entity_lines; |
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110 | typedef entity_opengl1d<GL_LINE_STRIP> entity_line_strip; |
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111 | typedef entity_opengl1d<GL_LINE_LOOP> entity_line_loop; |
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112 | typedef entity_opengl2d<GL_TRIANGLES> entity_triangles; |
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113 | typedef entity_opengl2d<GL_TRIANGLE_STRIP> entity_triangle_strip; |
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114 | typedef entity_opengl2d<GL_TRIANGLE_FAN> entity_triangle_fan; |
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115 | typedef entity_opengl2d<GL_QUADS> entity_quads; |
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116 | typedef entity_opengl2d<GL_QUAD_STRIP> entity_quad_strip; |
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117 | typedef entity_opengl2d<GL_POLYGON> entity_polygon; |
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118 | |
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119 | struct entity_transform : entity_filter { |
135 | struct geometry_transform : geometry_filter |
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136 | { |
120 | protected: |
137 | protected: |
121 | matrix m; |
138 | matrix m; |
122 | void renormalize (); |
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123 | public: |
139 | public: |
124 | |
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125 | entity_transform (); |
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126 | |
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127 | void update (); |
140 | void update (); |
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141 | |
128 | void show (); |
142 | void show (); |
129 | void draw (draw_context &ctx); |
143 | void draw (view &ctx); |
130 | void set_matrix (const matrix &xfrm); |
144 | void set_matrix (const matrix &xfrm); |
131 | void update (const matrix &xfrm); |
145 | void update (const matrix &xfrm); |
132 | }; |
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133 | |
146 | |
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147 | geometry_transform (geometry *g) : geometry_filter(g), m(1) { }; |
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148 | geometry_transform () : geometry_filter(0), m(1) { }; |
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149 | }; |
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150 | |
134 | struct entity_anim : entity_transform { |
151 | struct geometry_anim : geometry_transform |
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152 | { |
135 | GLfloat vx, vy, vz; |
153 | GLfloat vx, vy, vz; |
136 | void draw (draw_context &ctx); |
154 | void draw (view &ctx); |
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155 | }; |
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156 | |
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157 | struct geometry_container : geometry, protected vector<geometry *> |
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158 | { |
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159 | void update (); |
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160 | |
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161 | void add (geometry *g); |
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162 | void draw (view &ctx); |
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163 | ~geometry_container (); |
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164 | }; |
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165 | |
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166 | ///////////////////////////////////////////////////////////////////////////// |
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167 | |
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168 | struct entity_visibility : visibility_base { |
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169 | entity *e; |
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170 | double next; // time of next check |
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171 | int occ_res; |
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172 | |
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173 | void clear () |
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174 | { |
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175 | next = 0.; |
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176 | occ_res = -1; |
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177 | } |
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178 | |
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179 | entity_visibility (entity &e) |
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180 | : e(&e) |
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181 | { |
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182 | clear (); |
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183 | } |
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184 | }; |
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185 | |
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186 | struct entity : geometry_filter, visible |
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187 | { |
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188 | sector orig; |
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189 | point p; |
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190 | sector a, b; // bounding box corners |
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191 | |
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192 | vector<octant *> o; |
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193 | |
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194 | void update (); |
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195 | void draw (view &ctx); |
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196 | |
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197 | void move (const vec3 &v); |
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198 | |
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199 | virtual void show (); |
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200 | virtual void hide (); |
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201 | |
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202 | visibility_base *new_visibility (); |
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203 | void clear_visibility (visibility_base *vs); |
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204 | |
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205 | entity (geometry *g = 0); |
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206 | ~entity (); |
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207 | }; |
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208 | |
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209 | struct entity_moveable : entity |
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210 | { |
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211 | vec3 v; |
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212 | entity_moveable (geometry *g = 0) : entity (g) { } |
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213 | |
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214 | void perform_step (double t); |
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215 | }; |
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216 | |
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217 | struct entity_light : entity |
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218 | { |
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219 | light *lview; |
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220 | }; |
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221 | |
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222 | ///////////////////////////////////////////////////////////////////////////// |
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223 | // not the final API(!) |
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224 | |
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225 | struct skybox |
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226 | { |
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227 | texture *tex[6]; |
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228 | |
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229 | skybox ( |
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230 | const char *left, |
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231 | const char *front, |
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232 | const char *right, |
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233 | const char *back, |
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234 | const char *top, |
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235 | const char *bottom |
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236 | ); |
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237 | |
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238 | ~skybox (); |
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239 | |
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240 | void draw (view &ctx); |
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241 | }; |
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242 | |
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243 | ///////////////////////////////////////////////////////////////////////////// |
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244 | // |
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245 | // VERY EXPERIMENTAL HEIGHTMAP |
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246 | |
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247 | struct geometry_heightfield : geometry |
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248 | { |
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249 | struct node; |
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250 | |
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251 | node *tree; |
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252 | |
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253 | GLfloat sx, sy, sm; |
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254 | |
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255 | void update (); |
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256 | void draw (view &ctx); |
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257 | geometry_heightfield (GLfloat sx, GLfloat sy); |
137 | }; |
258 | }; |
138 | |
259 | |
139 | #endif |
260 | #endif |
140 | |
261 | |
141 | |
262 | |