1 | #include <stdlib.h> |
1 | #include <stdlib.h> |
2 | #include <stdio.h> |
2 | #include <stdio.h> |
3 | #include <string.h> |
3 | #include <string.h> |
4 | #include <math.h> |
4 | #include <math.h> |
5 | |
5 | |
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6 | #include "opengl.h" |
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7 | |
6 | #include "SDL.h" |
8 | #include "SDL.h" |
7 | |
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8 | #include "SDL_opengl.h" |
9 | #include "SDL_opengl.h" |
9 | |
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10 | /* Undefine this if you want a flat cube instead of a rainbow cube */ |
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11 | #define SHADED_CUBE |
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12 | |
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13 | /* Define this to be the name of the logo image to use with -logo */ |
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14 | #define LOGO_FILE "icon.bmp" |
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15 | |
10 | |
16 | static SDL_Surface *global_image = NULL; |
11 | static SDL_Surface *global_image = NULL; |
17 | static GLuint global_texture = 0; |
12 | static GLuint global_texture = 0; |
18 | |
13 | |
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14 | #include "util.h" |
19 | #include "entity.h" |
15 | #include "entity.h" |
20 | |
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21 | #include "txtprt_import.h" |
16 | #include "txtprt_import.h" |
22 | |
17 | |
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18 | #include "shader.h" |
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19 | |
23 | /**********************************************************************/ |
20 | /**********************************************************************/ |
24 | |
21 | |
25 | view camera; |
22 | view camera; |
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23 | vec3 camera_velocity; |
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24 | float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2; |
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25 | float camera_velocity_factor = 80; |
26 | |
26 | |
27 | void |
27 | void |
28 | HotKey_ToggleFullScreen (void) |
28 | HotKey_ToggleFullScreen (void) |
29 | { |
29 | { |
30 | SDL_Surface *screen; |
30 | SDL_Surface *screen; |
31 | |
31 | |
32 | screen = SDL_GetVideoSurface (); |
32 | screen = SDL_GetVideoSurface (); |
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33 | |
33 | if (SDL_WM_ToggleFullScreen (screen)) |
34 | if (SDL_WM_ToggleFullScreen (screen)) |
34 | printf ("Toggled fullscreen mode - now %s\n", |
35 | printf ("Toggled fullscreen mode - now %s\n", |
35 | (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
36 | (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
36 | else |
37 | else |
37 | printf ("Unable to toggle fullscreen mode\n"); |
38 | printf ("Unable to toggle fullscreen mode\n"); |
… | |
… | |
42 | { |
43 | { |
43 | SDL_GrabMode mode; |
44 | SDL_GrabMode mode; |
44 | |
45 | |
45 | printf ("Ctrl-G: toggling input grab!\n"); |
46 | printf ("Ctrl-G: toggling input grab!\n"); |
46 | mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); |
47 | mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); |
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48 | |
47 | if (mode == SDL_GRAB_ON) |
49 | if (mode == SDL_GRAB_ON) |
48 | printf ("Grab was on\n"); |
50 | printf ("Grab was on\n"); |
49 | else |
51 | else |
50 | printf ("Grab was off\n"); |
52 | printf ("Grab was off\n"); |
51 | |
53 | |
52 | mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
54 | mode = SDL_WM_GrabInput (mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
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55 | |
53 | if (mode == SDL_GRAB_ON) |
56 | if (mode == SDL_GRAB_ON) |
54 | printf ("Grab is now on\n"); |
57 | printf ("Grab is now on\n"); |
55 | else |
58 | else |
56 | printf ("Grab is now off\n"); |
59 | printf ("Grab is now off\n"); |
57 | } |
60 | } |
… | |
… | |
67 | HandleEvent (SDL_Event * event) |
70 | HandleEvent (SDL_Event * event) |
68 | { |
71 | { |
69 | int done; |
72 | int done; |
70 | |
73 | |
71 | done = 0; |
74 | done = 0; |
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75 | |
72 | switch (event->type) |
76 | switch (event->type) |
73 | { |
77 | { |
74 | case SDL_ACTIVEEVENT: |
78 | case SDL_ACTIVEEVENT: |
75 | /* See what happened */ |
79 | /* See what happened */ |
76 | printf ("app %s ", event->active.gain ? "gained" : "lost"); |
80 | printf ("app %s ", event->active.gain ? "gained" : "lost"); |
77 | if (event->active.state & SDL_APPACTIVE) |
81 | if (event->active.state & SDL_APPACTIVE) |
78 | { |
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79 | printf ("active "); |
82 | printf ("active "); |
80 | } |
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81 | else if (event->active.state & SDL_APPMOUSEFOCUS) |
83 | else if (event->active.state & SDL_APPMOUSEFOCUS) |
82 | { |
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83 | printf ("mouse "); |
84 | printf ("mouse "); |
84 | } |
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85 | else if (event->active.state & SDL_APPINPUTFOCUS) |
85 | else if (event->active.state & SDL_APPINPUTFOCUS) |
86 | { |
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87 | printf ("input "); |
86 | printf ("input "); |
88 | } |
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89 | |
87 | |
90 | printf ("focus\n"); |
88 | printf ("focus\n"); |
91 | break; |
89 | break; |
92 | |
90 | |
93 | case SDL_KEYDOWN: |
91 | case SDL_KEYDOWN: |
94 | |
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95 | if (event->key.keysym.sym == SDLK_UP) |
92 | if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--; |
96 | camera.p.z -= 1; |
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97 | if (event->key.keysym.sym == SDLK_DOWN) |
93 | if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++; |
98 | camera.p.z += 1; |
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99 | if (event->key.keysym.sym == SDLK_LEFT) |
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100 | camera.p.x -= 1; |
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101 | if (event->key.keysym.sym == SDLK_RIGHT) |
94 | if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++; |
102 | camera.p.x += 1; |
95 | if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--; |
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96 | if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++; |
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97 | if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--; |
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98 | if (event->key.keysym.sym == SDLK_e) camera_velocity.y--; |
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99 | if (event->key.keysym.sym == SDLK_q) camera_velocity.y++; |
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100 | if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5; |
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101 | if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5; |
103 | |
102 | |
104 | if (event->key.keysym.sym == SDLK_ESCAPE) |
103 | if (event->key.keysym.sym == SDLK_ESCAPE) |
105 | done = 1; |
104 | done = 1; |
106 | |
105 | |
107 | if ((event->key.keysym.sym == SDLK_g) && |
106 | if ((event->key.keysym.sym == SDLK_g) && |
… | |
… | |
116 | (event->key.keysym.mod & KMOD_ALT)) |
115 | (event->key.keysym.mod & KMOD_ALT)) |
117 | HotKey_ToggleFullScreen (); |
116 | HotKey_ToggleFullScreen (); |
118 | |
117 | |
119 | break; |
118 | break; |
120 | |
119 | |
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120 | case SDL_KEYUP: |
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121 | if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++; |
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122 | if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--; |
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123 | if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++; |
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124 | if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--; |
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125 | if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--; |
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126 | if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++; |
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127 | if (event->key.keysym.sym == SDLK_e) camera_velocity.y++; |
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128 | if (event->key.keysym.sym == SDLK_q) camera_velocity.y--; |
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129 | break; |
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130 | |
121 | case SDL_QUIT: |
131 | case SDL_QUIT: |
122 | done = 1; |
132 | done = 1; |
123 | break; |
133 | break; |
124 | } |
134 | } |
125 | |
135 | |
126 | return (done); |
136 | return (done); |
127 | } |
137 | } |
128 | |
138 | |
129 | /* Quick utility function for texture creation */ |
139 | void draw_floor (int size, int dx, int dy, int dz) |
130 | static int |
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131 | power_of_two (int input) |
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132 | { |
140 | { |
133 | int value = 1; |
141 | int x, z, ry; |
134 | |
142 | |
135 | while (value < input) |
143 | for (x = 0; x < 10; x++) |
136 | { |
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137 | value <<= 1; |
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138 | } |
144 | { |
139 | return value; |
145 | for (z = 0; z < 10; z++) |
140 | } |
146 | { |
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147 | vector<vertex_t2f_n3f_v3f> pts; |
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148 | pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0))); |
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149 | pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1))); |
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150 | pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1))); |
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151 | pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0))); |
141 | |
152 | |
142 | GLuint |
153 | geometry_quads *q = new geometry_quads; |
143 | SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord) |
154 | //q->m = new simple_material; |
144 | { |
155 | q->set (pts); |
145 | GLuint texture; |
156 | entity *e = new entity (q); |
146 | int w, h; |
157 | e->move (vec3 (dx + x * size, dy, dz + z * size)); |
147 | SDL_Surface *image; |
158 | e->show (); |
148 | SDL_Rect area; |
159 | } |
149 | Uint32 saved_flags; |
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150 | Uint8 saved_alpha; |
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151 | |
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152 | /* Use the surface width and height expanded to powers of 2 */ |
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153 | w = power_of_two (surface->w); |
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154 | h = power_of_two (surface->h); |
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155 | texcoord[0] = 0.0f; /* Min X */ |
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156 | texcoord[1] = 0.0f; /* Min Y */ |
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157 | texcoord[2] = (GLfloat) surface->w / w; /* Max X */ |
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158 | texcoord[3] = (GLfloat) surface->h / h; /* Max Y */ |
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159 | |
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160 | image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32, |
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161 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */ |
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162 | 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000 |
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163 | #else |
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164 | 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF |
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165 | #endif |
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166 | ); |
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167 | if (image == NULL) |
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168 | { |
160 | } |
169 | return 0; |
161 | } |
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162 | |
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163 | void draw_test_nurb () |
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164 | { |
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165 | geometry_nurbs *q = new geometry_nurbs; |
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166 | q->set (); |
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167 | entity *e = new entity (q); |
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168 | e->move (vec3 (10, 3, -4)); |
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169 | e->show (); |
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170 | } |
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171 | |
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172 | void fisch (vec3 center, GLfloat radius, int depth) |
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173 | { |
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174 | entity *planet = new entity (new geometry_sphere (testmat, radius)); |
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175 | planet->move (center); |
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176 | planet->show (); |
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177 | |
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178 | if (--depth) |
170 | } |
179 | { |
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180 | GLfloat r2 = radius * .1F; |
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181 | GLfloat r3 = radius + r2; |
171 | |
182 | |
172 | /* Save the alpha blending attributes */ |
183 | fisch (center + vec3 (r3, 0, 0), r2, depth); |
173 | saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
184 | fisch (center + vec3 (0, 0, r3), r2, depth); |
174 | saved_alpha = surface->format->alpha; |
185 | fisch (center + vec3 (-r3, 0, 0), r2, depth); |
175 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
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176 | { |
186 | } |
177 | SDL_SetAlpha (surface, 0, 0); |
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178 | } |
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179 | |
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180 | /* Copy the surface into the GL texture image */ |
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181 | area.x = 0; |
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182 | area.y = 0; |
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183 | area.w = surface->w; |
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184 | area.h = surface->h; |
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185 | SDL_BlitSurface (surface, &area, image, &area); |
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186 | |
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187 | /* Restore the alpha blending attributes */ |
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188 | if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) |
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189 | { |
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190 | SDL_SetAlpha (surface, saved_flags, saved_alpha); |
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191 | } |
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192 | |
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193 | /* Create an OpenGL texture for the image */ |
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194 | glGenTextures (1, &texture); |
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195 | glBindTexture (GL_TEXTURE_2D, texture); |
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196 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); |
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197 | glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
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198 | glTexImage2D (GL_TEXTURE_2D, |
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199 | 0, |
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200 | GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels); |
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201 | SDL_FreeSurface (image); /* No longer needed */ |
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202 | |
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203 | return texture; |
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204 | } |
187 | } |
205 | |
188 | |
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189 | extern void draw_level (); |
206 | int |
190 | int |
207 | RunGLTest (int argc, char *argv[], |
191 | RunGLTest (int argc, char *argv[], |
208 | int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) |
192 | int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) |
209 | { |
193 | { |
210 | int i; |
194 | int i; |
211 | int rgb_size[3]; |
195 | int rgb_size[3]; |
212 | int w = 640; |
196 | int w = 640; |
213 | int h = 480; |
197 | int h = 480; |
214 | int done = 0; |
198 | int done = 0; |
215 | int frames; |
199 | int frames; |
216 | Uint32 start_time, this_time; |
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217 | Uint32 video_flags; |
200 | Uint32 video_flags; |
218 | int value; |
201 | int value; |
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202 | GLenum gl_error; |
219 | |
203 | |
220 | if (SDL_Init (SDL_INIT_VIDEO) < 0) |
204 | if (SDL_Init (SDL_INIT_VIDEO) < 0) |
221 | { |
205 | { |
222 | fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); |
206 | fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); |
223 | exit (1); |
207 | exit (1); |
… | |
… | |
261 | rgb_size[0] = 8; |
245 | rgb_size[0] = 8; |
262 | rgb_size[1] = 8; |
246 | rgb_size[1] = 8; |
263 | rgb_size[2] = 8; |
247 | rgb_size[2] = 8; |
264 | break; |
248 | break; |
265 | } |
249 | } |
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250 | |
266 | SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); |
251 | SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); |
267 | SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); |
252 | SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); |
268 | SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); |
253 | SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); |
269 | SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); |
254 | SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24); |
270 | SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); |
255 | SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); |
271 | |
256 | |
272 | if (fsaa) |
257 | if (fsaa) |
273 | { |
258 | { |
274 | SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); |
259 | SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); |
… | |
… | |
280 | fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); |
265 | fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); |
281 | SDL_Quit (); |
266 | SDL_Quit (); |
282 | exit (1); |
267 | exit (1); |
283 | } |
268 | } |
284 | |
269 | |
285 | printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); |
270 | //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); |
286 | printf ("\n"); |
271 | //printf ("\n"); |
287 | printf ("Vendor : %s\n", glGetString (GL_VENDOR)); |
272 | //printf ("Vendor : %s\n", glGetString (GL_VENDOR)); |
288 | printf ("Renderer : %s\n", glGetString (GL_RENDERER)); |
273 | //printf ("Renderer : %s\n", glGetString (GL_RENDERER)); |
289 | printf ("Version : %s\n", glGetString (GL_VERSION)); |
274 | //printf ("Version : %s\n", glGetString (GL_VERSION)); |
290 | printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); |
275 | //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); |
291 | printf ("\n"); |
276 | printf ("\n"); |
292 | |
277 | |
293 | SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); |
278 | SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); |
294 | printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value); |
279 | printf ("SDL_GL_RED_SIZE: requested %d, got %d\n", rgb_size[0], value); |
295 | SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); |
280 | SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); |
… | |
… | |
315 | |
300 | |
316 | /* Set the gamma for the window */ |
301 | /* Set the gamma for the window */ |
317 | if (gamma != 0.0) |
302 | if (gamma != 0.0) |
318 | SDL_SetGamma (gamma, gamma, gamma); |
303 | SDL_SetGamma (gamma, gamma, gamma); |
319 | |
304 | |
320 | // load a entity |
305 | testmat = new test_material; |
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306 | |
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307 | entity *planet = new entity (new geometry_sphere (testmat, 10)); |
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308 | planet->move (vec3 (0, 0, -20)); |
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309 | planet->show (); |
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310 | |
321 | for (int i = 0; i < 7; i++) |
311 | for (int i = 0; i < 20; i++) |
322 | { |
312 | { |
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313 | // load a entity |
323 | txtprt_parser p; |
314 | txtprt_parser p; |
324 | entity_anim *f = new entity_anim; |
315 | geometry *g; |
325 | entity *e; |
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326 | try |
316 | try |
327 | { |
317 | { |
328 | e = p.read ("test.blasc"); |
318 | g = p.read ("test.blasc"); |
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319 | } |
329 | } catch (txtprt_i_exception & e) |
320 | catch (txtprt_i_exception & e) |
330 | { |
321 | { |
331 | cout << "ERR: " << e.msg << endl; |
322 | cout << "ERR: " << e.msg << endl; |
332 | } |
323 | } |
333 | f->set (e); |
324 | |
334 | f->m.translate (vec3 (i, -1, 0)); |
325 | entity *e = new entity (g); |
335 | f->vx = 0; |
326 | e->move (vec3 (i*5, -3, -i*10)); |
336 | f->vy = 0; |
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337 | f->vz = 0; |
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338 | f->show (); |
327 | e->show (); |
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328 | } |
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329 | |
339 | } |
330 | { |
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331 | fisch (vec3 (0, 0, -2e9), 1e9, 8); |
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332 | //entity *planet = new entity (new geometry_sphere (1e9)); |
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333 | //planet->move (vec3 (0, 0, -1.5e9)); |
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334 | //planet->show (); |
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335 | } |
340 | |
336 | |
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337 | { |
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338 | entity *planet = new entity (new geometry_sphere (testmat, 4e15)); |
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339 | planet->move (vec3 (0, 0, 1e17)); |
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340 | planet->show (); |
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341 | } |
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342 | |
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343 | //draw_floor (10, -500, -10, -1000); |
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344 | draw_level (); |
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345 | |
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346 | |
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347 | { |
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348 | geometry_heightfield *hf = new geometry_heightfield (100000., 100000.); |
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349 | entity *e = new entity (hf); |
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350 | e->move (vec3 (-100000, -100000 * 0.01, -100000)); |
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351 | e->show (); |
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352 | } |
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353 | |
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354 | //draw_test_nurb (); |
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355 | |
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356 | //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368; |
341 | camera.orig.x = camera.orig.y = camera.orig.z = 0; |
357 | camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0; |
342 | camera.p = point (0, 0, 10); |
358 | camera.p = point (0, 0, 10); |
343 | camera.d = vec3 (0, 0, -1); |
359 | camera.d = vec3 (0, 0, -1); |
344 | camera.u = vec3 (0, 1, 0); |
360 | camera.u = vec3 (0, 1, 0); |
345 | camera.w = w; camera.h = h; |
361 | camera.w = w; camera.h = h; |
346 | camera.fov = 90; |
362 | camera.fov = 40.; |
347 | |
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348 | glMatrixMode (GL_MODELVIEW); |
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349 | glLoadIdentity (); |
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350 | |
363 | |
351 | glEnable (GL_CULL_FACE); |
364 | glEnable (GL_CULL_FACE); |
352 | glEnable (GL_DEPTH_TEST); |
365 | glDisable (GL_ALPHA_TEST); |
353 | glShadeModel (GL_SMOOTH); |
366 | glDisable (GL_BLEND); |
354 | |
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355 | glEnable (GL_LIGHTING); |
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356 | //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 }; |
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357 | //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION); |
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358 | //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc); |
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359 | glEnable (GL_LIGHT0); |
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360 | |
367 | |
361 | /* Loop until done. */ |
368 | /* Loop until done. */ |
362 | start_time = SDL_GetTicks (); |
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363 | frames = 0; |
369 | frames = 0; |
364 | |
370 | |
365 | draw_context c (camera); |
371 | linear_light mylight; |
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372 | mylight.radius = 100000; |
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373 | mylight.c = colour (1., 1, 1, 1.); |
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374 | mylight.intensity = 1.F; |
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375 | |
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376 | pass pass_light (&mylight); |
366 | |
377 | |
367 | while (!done) |
378 | while (!done) |
368 | { |
379 | { |
369 | GLenum gl_error; |
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370 | char *sdl_error; |
380 | char *sdl_error; |
371 | SDL_Event event; |
381 | SDL_Event event; |
372 | |
382 | |
373 | /* Do our drawing, too. */ |
383 | camera_angle += 180 * camera_velocity_angle * timer.diff; |
374 | glClearColor (0.0, 0.0, 0.0, 1.0); |
384 | camera_angle2 += 180 * camera_velocity_angle2 * timer.diff; |
375 | glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
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376 | |
385 | |
377 | GLfloat lightp[4]; |
386 | vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1); |
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387 | vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus; |
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388 | |
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389 | camera.d = matrix::rotation (camera_angle2, right) * geradeaus; |
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390 | camera.u = cross (camera.d, right); |
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391 | |
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392 | camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
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393 | camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
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394 | |
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395 | mylight.orig = camera.orig; |
378 | lightp[0] = camera.p.x; |
396 | mylight.p = camera.p; |
379 | lightp[1] = camera.p.y; |
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380 | lightp[2] = camera.p.z; |
|
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381 | lightp[3] = 1; |
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382 | glLightfv (GL_LIGHT0, GL_POSITION, lightp); |
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383 | |
397 | |
384 | #if 0 |
398 | //mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F); |
385 | static GLfloat ry; |
399 | |
386 | ry += 0.001; |
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387 | camera.d.x = cos (ry); |
|
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388 | camera.d.z = sin (ry); |
400 | camera.begin (); |
389 | //camera.d.y = sin (ry * 0.1); |
401 | camera.render (view::DEPTH, pass_depth); |
390 | #endif |
402 | camera.render (view::POSTDEPTH, pass_depth); |
391 | |
403 | camera.render (view::LIGHTED, pass_light); |
392 | c.mode = draw_context::DEPTH; |
|
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393 | camera.draw (c); |
404 | camera.end (); |
394 | c.drawn.clear (); |
|
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395 | c.mode = draw_context::LIGHTED; |
|
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396 | camera.draw (c); |
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397 | |
405 | |
398 | SDL_GL_SwapBuffers (); |
406 | SDL_GL_SwapBuffers (); |
399 | timer.frame (); |
407 | timer.frame (); |
400 | |
408 | |
|
|
409 | #if 0 |
401 | /* Check for error conditions. */ |
410 | /* Check for error conditions. */ |
402 | gl_error = glGetError (); |
411 | gl_error = glGetError (); |
403 | |
412 | |
404 | if (gl_error != GL_NO_ERROR) |
|
|
405 | fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); |
413 | if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); |
406 | |
414 | |
407 | sdl_error = SDL_GetError (); |
415 | sdl_error = SDL_GetError (); |
408 | |
416 | |
409 | if (sdl_error[0] != '\0') |
417 | if (sdl_error[0] != '\0') |
410 | { |
418 | { |
411 | fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); |
419 | fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); |
412 | SDL_ClearError (); |
420 | SDL_ClearError (); |
413 | } |
421 | } |
414 | |
422 | |
415 | /* Allow the user to see what's happening */ |
423 | /* Allow the user to see what's happening */ |
416 | //SDL_Delay (20); |
424 | //SDL_Delay (40); |
|
|
425 | #endif |
417 | |
426 | |
418 | /* Check if there's a pending event. */ |
427 | /* Check if there's a pending event. */ |
419 | while (SDL_PollEvent (&event)) |
428 | while (SDL_PollEvent (&event)) |
420 | { |
|
|
421 | done = HandleEvent (&event); |
429 | done = HandleEvent (&event); |
422 | } |
430 | |
423 | ++frames; |
431 | ++frames; |
424 | } |
|
|
425 | |
|
|
426 | /* Print out the frames per second */ |
|
|
427 | this_time = SDL_GetTicks (); |
|
|
428 | if (this_time != start_time) |
|
|
429 | { |
|
|
430 | printf ("%2.2f FPS\n", |
|
|
431 | ((float) frames / (this_time - start_time)) * 1000.0); |
|
|
432 | } |
432 | } |
433 | |
433 | |
434 | if (global_image) |
434 | if (global_image) |
435 | { |
435 | { |
436 | SDL_FreeSurface (global_image); |
436 | SDL_FreeSurface (global_image); |
437 | global_image = NULL; |
437 | global_image = NULL; |
438 | } |
438 | } |
|
|
439 | |
439 | if (global_texture) |
440 | if (global_texture) |
440 | { |
441 | { |
441 | glDeleteTextures (1, &global_texture); |
442 | glDeleteTextures (1, &global_texture); |
442 | global_texture = 0; |
443 | global_texture = 0; |
443 | } |
444 | } |
444 | |
445 | |
445 | /* Destroy our GL context, etc. */ |
446 | /* Destroy our GL context, etc. */ |
446 | SDL_Quit (); |
447 | SDL_Quit (); |
447 | return (0); |
448 | return (0); |
448 | } |
449 | } |
449 | |
|
|
450 | int |
450 | int |
451 | main (int argc, char *argv[]) |
451 | main (int argc, char *argv[]) |
452 | { |
452 | { |
453 | int i, logo; |
453 | int i, logo; |
454 | int numtests; |
454 | int numtests; |