| 1 | #include <cmath> |
1 | #include <cmath> |
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2 | |
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3 | #include <GL/gl.h> |
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4 | #include <GL/glext.h> |
| 2 | |
5 | |
| 3 | #include "oct.h" |
6 | #include "oct.h" |
| 4 | #include "view.h" |
7 | #include "view.h" |
| 5 | |
8 | |
| 6 | view::view () |
9 | view::view () |
| 7 | : mode(LIGHTED) |
10 | : gamma(1.0) |
| 8 | { |
11 | { |
| 9 | } |
12 | } |
| 10 | |
13 | |
| 11 | view::~view () |
14 | view::~view () |
| 12 | { |
15 | { |
| … | |
… | |
| 19 | |
22 | |
| 20 | drawn.insert (e); |
23 | drawn.insert (e); |
| 21 | return true; |
24 | return true; |
| 22 | } |
25 | } |
| 23 | |
26 | |
| 24 | void view::draw () |
27 | void view::reset_projection () |
| 25 | { |
28 | { |
| 26 | // check occlusion queries here |
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| 27 | |
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| 28 | generation++; |
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| 29 | |
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| 30 | renormalize (orig, p); |
29 | renormalize (orig, p); |
| 31 | |
30 | |
| 32 | glDisable (GL_ALPHA_TEST); |
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| 33 | glDisable (GL_BLEND); |
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| 34 | |
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| 35 | if (mode == view::DEPTH) |
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| 36 | { |
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| 37 | glEnable (GL_POLYGON_OFFSET_FILL); |
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| 38 | glPolygonOffset (0, 1); |
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| 39 | glDepthFunc (GL_LESS); |
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| 40 | glDisable (GL_LIGHTING); |
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| 41 | glColorMask (0, 0, 0, 0); |
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| 42 | //cgGLDisableProfile (CG_PROFILE_ARBVP1); |
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| 43 | cgGLDisableProfile (CG_PROFILE_ARBFP1); |
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| 44 | } |
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| 45 | else |
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| 46 | { |
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| 47 | glEnable (GL_MINMAX); |
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| 48 | glDisable (GL_POLYGON_OFFSET_FILL); |
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| 49 | glDepthFunc (GL_LESS); |
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| 50 | glDepthMask (0); |
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| 51 | cgGLEnableProfile (CG_PROFILE_ARBVP1); |
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| 52 | cgGLEnableProfile (CG_PROFILE_ARBFP1); |
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| 53 | } |
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| 54 | |
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| 55 | glViewport (0, 0, w, h); |
31 | glViewport (0, 0, w, h); |
| 56 | |
32 | |
| 57 | glMatrixMode (GL_PROJECTION); |
33 | glMatrixMode (GL_PROJECTION); |
| 58 | glLoadIdentity (); |
34 | glLoadIdentity (); |
| 59 | |
35 | |
| … | |
… | |
| 88 | frustum.f = plane ( m(3,0) - m(2,0), m(3,1) - m(2,1), m(3,2) - m(2,2), m(3,3) - m(2,3) ); |
64 | frustum.f = plane ( m(3,0) - m(2,0), m(3,1) - m(2,1), m(3,2) - m(2,2), m(3,3) - m(2,3) ); |
| 89 | |
65 | |
| 90 | glMatrixMode (GL_MODELVIEW); |
66 | glMatrixMode (GL_MODELVIEW); |
| 91 | glLoadIdentity (); |
67 | glLoadIdentity (); |
| 92 | glTranslatef (-p.x, -p.y, -p.z); |
68 | glTranslatef (-p.x, -p.y, -p.z); |
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69 | } |
| 93 | |
70 | |
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71 | void view::begin () |
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72 | { |
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73 | glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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74 | glDepthRange (0, 1. - (1. / pow (2., 16.))); |
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75 | |
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76 | vismap.clear (); |
| 94 | vislist.clear (); |
77 | vislist.clear (); |
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78 | |
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79 | generation++; |
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80 | |
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81 | reset_projection (); |
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82 | |
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83 | // check occlusion queries here |
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84 | #if 0 |
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85 | for (vector<octant *>::iterator i = checklist.begin (); i != checklist.end (); ++i) |
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86 | //printf ("%p %d\n", *i, occ_query_result ((*i)->occ_query)); |
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87 | occ_query_result ((*i)->occ_query); |
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88 | |
| 95 | checklist.clear (); |
89 | checklist.clear (); |
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90 | #endif |
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91 | |
| 96 | world.detect_visibility (*this); |
92 | world.detect_visibility (*this); |
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93 | } |
| 97 | |
94 | |
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95 | void view::end () |
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96 | { |
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97 | vismap.clear (); |
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98 | } |
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99 | |
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100 | void view::pass (enum mode m) |
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101 | { |
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102 | mode = m; |
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103 | |
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104 | glDisable (GL_ALPHA_TEST); |
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105 | glDisable (GL_BLEND); |
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106 | |
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107 | if (mode == view::DEPTH) |
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108 | { |
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109 | glEnable (GL_POLYGON_OFFSET_FILL); |
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110 | glPolygonOffset (0, 1); |
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111 | glDepthFunc (GL_LESS); |
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112 | glDisable (GL_LIGHTING); |
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113 | glColorMask (0, 0, 0, 0); |
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114 | cgGLEnableProfile (vsh_profile);// z-fighting?? |
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115 | cgGLDisableProfile (fsh_profile); |
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116 | } |
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117 | else |
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118 | { |
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119 | glEnable (GL_MINMAX); |
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120 | glDisable (GL_POLYGON_OFFSET_FILL); |
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121 | glDepthFunc (GL_LESS); |
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122 | glDepthMask (0); |
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123 | cgGLEnableProfile (vsh_profile); |
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124 | cgGLEnableProfile (fsh_profile); |
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125 | } |
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126 | |
| 98 | for (vector<octant *>::iterator i = vislist.begin (); i != vislist.end (); ++i) |
127 | for (vector<octant *>::iterator i = vislist.begin (); i != vislist.end (); ++i) |
| 99 | (*i)->display (*this); |
128 | (*i)->display (*this); |
| 100 | |
129 | |
| 101 | drawn.clear (); |
130 | drawn.clear (); |
| 102 | |
131 | |
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132 | if (mode == view::LIGHTED) |
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133 | { |
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134 | glEnable (GL_DEPTH_CLAMP_NV); |
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135 | glDepthFunc (GL_LESS); |
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136 | glEnable (GL_COLOR_MATERIAL); |
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137 | glDisable (GL_LIGHTING); |
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138 | #if 1 |
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139 | cgGLDisableProfile (vsh_profile); |
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140 | cgGLDisableProfile (fsh_profile); |
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141 | #endif |
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142 | glShadeModel (GL_FLAT); |
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143 | |
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144 | static int count; count++; |
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145 | if (farlist.size ()) |
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146 | printf ("%d: size %d\n", count, farlist.size ()); |
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147 | |
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148 | for (vector<octant *>::iterator i = farlist.begin (); i != farlist.end (); ++i) |
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149 | { |
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150 | glColor3f (1 / (GLfloat)(i - farlist.begin()), 1, 1 / (GLfloat)(i - farlist.begin())); |
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151 | (*i)->draw_bbox (*this); |
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152 | } |
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153 | |
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154 | farlist.clear (); |
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155 | |
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156 | glEnable (GL_DEPTH_TEST); |
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157 | glDisable (GL_DEPTH_CLAMP_NV); |
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158 | glShadeModel (GL_SMOOTH); |
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159 | } |
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160 | |
| 103 | glColorMask (1, 1, 1, 0); |
161 | glColorMask (1, 1, 1, 0); |
| 104 | glDepthMask (1); |
162 | glDepthMask (1); |
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163 | |
| 105 | } |
164 | } |
| 106 | |
165 | |
| 107 | |
166 | |
