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 | #include "SDL_opengl.h" |
9 | #include "SDL_opengl.h" |
8 | |
10 | |
9 | static SDL_Surface *global_image = NULL; |
11 | static SDL_Surface *global_image = NULL; |
10 | static GLuint global_texture = 0; |
12 | static GLuint global_texture = 0; |
11 | |
13 | |
12 | #include "util.h" |
14 | #include "util.h" |
13 | #include "entity.h" |
15 | #include "entity.h" |
14 | #include "txtprt_import.h" |
16 | #include "txtprt_import.h" |
15 | |
17 | |
16 | CGcontext cgc; |
18 | #include "shader.h" |
17 | CGprogram vsh, fsh; |
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18 | CGparameter mv, mvp, lightpos; |
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19 | CGprofile vsh_profile, fsh_profile; |
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20 | |
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21 | static void CheckCgError (void) |
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22 | { |
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23 | CGerror err = cgGetError (); |
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24 | |
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25 | if (err != CG_NO_ERROR) |
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26 | { |
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27 | printf("CG error: %s\n", cgGetErrorString (err)); |
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28 | exit(1); |
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29 | } |
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30 | } |
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31 | |
19 | |
32 | /**********************************************************************/ |
20 | /**********************************************************************/ |
33 | |
21 | |
34 | view camera; |
22 | view camera; |
35 | vec3 camera_velocity; |
23 | vec3 camera_velocity; |
… | |
… | |
40 | HotKey_ToggleFullScreen (void) |
28 | HotKey_ToggleFullScreen (void) |
41 | { |
29 | { |
42 | SDL_Surface *screen; |
30 | SDL_Surface *screen; |
43 | |
31 | |
44 | screen = SDL_GetVideoSurface (); |
32 | screen = SDL_GetVideoSurface (); |
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33 | |
45 | if (SDL_WM_ToggleFullScreen (screen)) |
34 | if (SDL_WM_ToggleFullScreen (screen)) |
46 | printf ("Toggled fullscreen mode - now %s\n", |
35 | printf ("Toggled fullscreen mode - now %s\n", |
47 | (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
36 | (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
48 | else |
37 | else |
49 | printf ("Unable to toggle fullscreen mode\n"); |
38 | printf ("Unable to toggle fullscreen mode\n"); |
… | |
… | |
54 | { |
43 | { |
55 | SDL_GrabMode mode; |
44 | SDL_GrabMode mode; |
56 | |
45 | |
57 | printf ("Ctrl-G: toggling input grab!\n"); |
46 | printf ("Ctrl-G: toggling input grab!\n"); |
58 | mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); |
47 | mode = SDL_WM_GrabInput (SDL_GRAB_QUERY); |
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48 | |
59 | if (mode == SDL_GRAB_ON) |
49 | if (mode == SDL_GRAB_ON) |
60 | printf ("Grab was on\n"); |
50 | printf ("Grab was on\n"); |
61 | else |
51 | else |
62 | printf ("Grab was off\n"); |
52 | printf ("Grab was off\n"); |
63 | |
53 | |
64 | 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 | |
65 | if (mode == SDL_GRAB_ON) |
56 | if (mode == SDL_GRAB_ON) |
66 | printf ("Grab is now on\n"); |
57 | printf ("Grab is now on\n"); |
67 | else |
58 | else |
68 | printf ("Grab is now off\n"); |
59 | printf ("Grab is now off\n"); |
69 | } |
60 | } |
… | |
… | |
79 | HandleEvent (SDL_Event * event) |
70 | HandleEvent (SDL_Event * event) |
80 | { |
71 | { |
81 | int done; |
72 | int done; |
82 | |
73 | |
83 | done = 0; |
74 | done = 0; |
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75 | |
84 | switch (event->type) |
76 | switch (event->type) |
85 | { |
77 | { |
86 | case SDL_ACTIVEEVENT: |
78 | case SDL_ACTIVEEVENT: |
87 | /* See what happened */ |
79 | /* See what happened */ |
88 | printf ("app %s ", event->active.gain ? "gained" : "lost"); |
80 | printf ("app %s ", event->active.gain ? "gained" : "lost"); |
89 | if (event->active.state & SDL_APPACTIVE) |
81 | if (event->active.state & SDL_APPACTIVE) |
90 | { |
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91 | printf ("active "); |
82 | printf ("active "); |
92 | } |
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93 | else if (event->active.state & SDL_APPMOUSEFOCUS) |
83 | else if (event->active.state & SDL_APPMOUSEFOCUS) |
94 | { |
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95 | printf ("mouse "); |
84 | printf ("mouse "); |
96 | } |
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97 | else if (event->active.state & SDL_APPINPUTFOCUS) |
85 | else if (event->active.state & SDL_APPINPUTFOCUS) |
98 | { |
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99 | printf ("input "); |
86 | printf ("input "); |
100 | } |
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101 | |
87 | |
102 | printf ("focus\n"); |
88 | printf ("focus\n"); |
103 | break; |
89 | break; |
104 | |
90 | |
105 | case SDL_KEYDOWN: |
91 | case SDL_KEYDOWN: |
… | |
… | |
152 | |
138 | |
153 | void draw_floor (int size, int dx, int dy, int dz) |
139 | void draw_floor (int size, int dx, int dy, int dz) |
154 | { |
140 | { |
155 | int x, z, ry; |
141 | int x, z, ry; |
156 | |
142 | |
157 | for (x = 0; x < 100; x++) |
143 | for (x = 0; x < 10; x++) |
158 | { |
144 | { |
159 | for (z = 0; z < 100; z++) |
145 | for (z = 0; z < 10; z++) |
160 | { |
146 | { |
161 | vector<vertex2d> pts; |
147 | vector<vertex_t2f_n3f_v3f> pts; |
162 | pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0))); |
148 | pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0))); |
163 | pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1))); |
149 | pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1))); |
164 | pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1))); |
150 | pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1))); |
165 | pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0))); |
151 | pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0))); |
166 | |
152 | |
167 | geometry_quads *q = new geometry_quads; |
153 | geometry_quads *q = new geometry_quads; |
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154 | //q->m = new simple_material; |
168 | q->set (pts); |
155 | q->set (pts); |
169 | entity *e = new entity (q); |
156 | entity *e = new entity (q); |
170 | e->move (vec3 (dx + x * size, dy, dz + z * size)); |
157 | e->move (vec3 (dx + x * size, dy, dz + z * size)); |
171 | e->show (); |
158 | e->show (); |
172 | } |
159 | } |
… | |
… | |
178 | geometry_nurbs *q = new geometry_nurbs; |
165 | geometry_nurbs *q = new geometry_nurbs; |
179 | q->set (); |
166 | q->set (); |
180 | entity *e = new entity (q); |
167 | entity *e = new entity (q); |
181 | e->move (vec3 (10, 3, -4)); |
168 | e->move (vec3 (10, 3, -4)); |
182 | e->show (); |
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) |
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179 | { |
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180 | GLfloat r2 = radius * .1F; |
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181 | GLfloat r3 = radius + r2; |
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182 | |
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183 | fisch (center + vec3 (r3, 0, 0), r2, depth); |
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184 | fisch (center + vec3 (0, 0, r3), r2, depth); |
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185 | fisch (center + vec3 (-r3, 0, 0), r2, depth); |
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186 | } |
183 | } |
187 | } |
184 | |
188 | |
185 | extern void draw_level (); |
189 | extern void draw_level (); |
186 | int |
190 | int |
187 | RunGLTest (int argc, char *argv[], |
191 | RunGLTest (int argc, char *argv[], |
… | |
… | |
191 | int rgb_size[3]; |
195 | int rgb_size[3]; |
192 | int w = 640; |
196 | int w = 640; |
193 | int h = 480; |
197 | int h = 480; |
194 | int done = 0; |
198 | int done = 0; |
195 | int frames; |
199 | int frames; |
196 | Uint32 start_time, this_time; |
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197 | Uint32 video_flags; |
200 | Uint32 video_flags; |
198 | int value; |
201 | int value; |
199 | GLenum gl_error; |
202 | GLenum gl_error; |
200 | |
203 | |
201 | if (SDL_Init (SDL_INIT_VIDEO) < 0) |
204 | if (SDL_Init (SDL_INIT_VIDEO) < 0) |
… | |
… | |
246 | } |
249 | } |
247 | |
250 | |
248 | SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); |
251 | SDL_GL_SetAttribute (SDL_GL_RED_SIZE, rgb_size[0]); |
249 | SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); |
252 | SDL_GL_SetAttribute (SDL_GL_GREEN_SIZE, rgb_size[1]); |
250 | SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); |
253 | SDL_GL_SetAttribute (SDL_GL_BLUE_SIZE, rgb_size[2]); |
251 | SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 16); |
254 | SDL_GL_SetAttribute (SDL_GL_DEPTH_SIZE, 24); |
252 | SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); |
255 | SDL_GL_SetAttribute (SDL_GL_DOUBLEBUFFER, 1); |
253 | |
256 | |
254 | if (fsaa) |
257 | if (fsaa) |
255 | { |
258 | { |
256 | SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); |
259 | SDL_GL_SetAttribute (SDL_GL_MULTISAMPLEBUFFERS, 1); |
… | |
… | |
262 | fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); |
265 | fprintf (stderr, "Couldn't set GL mode: %s\n", SDL_GetError ()); |
263 | SDL_Quit (); |
266 | SDL_Quit (); |
264 | exit (1); |
267 | exit (1); |
265 | } |
268 | } |
266 | |
269 | |
267 | printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); |
270 | //printf ("Screen BPP: %d\n", SDL_GetVideoSurface ()->format->BitsPerPixel); |
268 | printf ("\n"); |
271 | //printf ("\n"); |
269 | printf ("Vendor : %s\n", glGetString (GL_VENDOR)); |
272 | //printf ("Vendor : %s\n", glGetString (GL_VENDOR)); |
270 | printf ("Renderer : %s\n", glGetString (GL_RENDERER)); |
273 | //printf ("Renderer : %s\n", glGetString (GL_RENDERER)); |
271 | printf ("Version : %s\n", glGetString (GL_VERSION)); |
274 | //printf ("Version : %s\n", glGetString (GL_VERSION)); |
272 | printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); |
275 | //printf ("Extensions : %s\n", glGetString (GL_EXTENSIONS)); |
273 | printf ("\n"); |
276 | printf ("\n"); |
274 | |
277 | |
275 | SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); |
278 | SDL_GL_GetAttribute (SDL_GL_RED_SIZE, &value); |
276 | 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); |
277 | SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); |
280 | SDL_GL_GetAttribute (SDL_GL_GREEN_SIZE, &value); |
… | |
… | |
297 | |
300 | |
298 | /* Set the gamma for the window */ |
301 | /* Set the gamma for the window */ |
299 | if (gamma != 0.0) |
302 | if (gamma != 0.0) |
300 | SDL_SetGamma (gamma, gamma, gamma); |
303 | SDL_SetGamma (gamma, gamma, gamma); |
301 | |
304 | |
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305 | testmat = new test_material; |
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306 | |
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307 | #if 0 |
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308 | entity *planet = new entity (new geometry_sphere (10)); |
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309 | planet->move (vec3 (0, 0, -20)); |
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310 | planet->show (); |
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311 | #endif |
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312 | |
302 | for (int i = 0; i < 1; i++) |
313 | for (int i = 0; i < 20; i++) |
303 | { |
314 | { |
304 | // load a entity |
315 | // load a entity |
305 | txtprt_parser p; |
316 | txtprt_parser p; |
306 | geometry *g; |
317 | geometry *g; |
307 | try |
318 | try |
… | |
… | |
316 | entity *e = new entity (g); |
327 | entity *e = new entity (g); |
317 | e->move (vec3 (i*5, -3, -i*10)); |
328 | e->move (vec3 (i*5, -3, -i*10)); |
318 | e->show (); |
329 | e->show (); |
319 | } |
330 | } |
320 | |
331 | |
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332 | { |
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333 | fisch (vec3 (0, 0, -2e9), 1e9, 8); |
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334 | //entity *planet = new entity (new geometry_sphere (1e9)); |
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335 | //planet->move (vec3 (0, 0, -1.5e9)); |
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336 | //planet->show (); |
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337 | } |
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338 | |
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339 | { |
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340 | entity *planet = new entity (new geometry_sphere (testmat, 4e15)); |
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341 | planet->move (vec3 (0, 0, 1e17)); |
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342 | planet->show (); |
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343 | } |
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344 | |
321 | //draw_floor (10, -500, -10, -1000); |
345 | //draw_floor (10, -500, -10, -1000); |
322 | draw_level (); |
346 | draw_level (); |
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347 | |
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348 | |
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349 | #if 0 |
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350 | { |
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351 | geometry_heightfield *hf = new geometry_heightfield (100000., 100000.); |
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352 | entity *e = new entity (hf); |
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353 | e->move (vec3 (-100000, -100000 * 0.01, -100000)); |
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354 | e->show (); |
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355 | } |
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356 | |
323 | //draw_test_nurb (); |
357 | //draw_test_nurb (); |
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358 | #endif |
324 | |
359 | |
325 | //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368; |
360 | //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368; |
326 | camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0; |
361 | camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0; |
327 | camera.p = point (0, 0, 10); |
362 | camera.p = point (0, 0, 10); |
328 | camera.d = vec3 (0, 0, -1); |
363 | camera.d = vec3 (0, 0, -1); |
329 | camera.u = vec3 (0, 1, 0); |
364 | camera.u = vec3 (0, 1, 0); |
330 | camera.w = w; camera.h = h; |
365 | camera.w = w; camera.h = h; |
331 | camera.fov = 35; |
366 | camera.fov = 40.; |
332 | camera.z_near = 1.; |
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333 | |
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334 | glMatrixMode (GL_MODELVIEW); |
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335 | glLoadIdentity (); |
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336 | |
367 | |
337 | glEnable (GL_CULL_FACE); |
368 | glEnable (GL_CULL_FACE); |
338 | glEnable (GL_DEPTH_TEST); |
369 | glDisable (GL_ALPHA_TEST); |
339 | |
370 | glDisable (GL_BLEND); |
340 | glShadeModel (GL_SMOOTH); |
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341 | |
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342 | glEnable (GL_LIGHTING); |
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343 | glEnable (GL_LIGHT0); |
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344 | |
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345 | cgc = cgCreateContext (); |
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346 | |
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347 | vsh_profile = CG_PROFILE_ARBVP1; |
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348 | //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30; |
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349 | //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40; |
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350 | fsh_profile = CG_PROFILE_ARBFP1; |
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351 | //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30; |
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352 | //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40; |
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353 | |
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354 | vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0); |
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355 | CheckCgError (); |
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356 | cgGLLoadProgram (vsh); |
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357 | CheckCgError (); |
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358 | mv = cgGetNamedParameter (vsh, "WorldProj"); |
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359 | mvp = cgGetNamedParameter (vsh, "WorldViewProj"); |
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360 | lightpos = cgGetNamedParameter (vsh, "LightPos"); |
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361 | CheckCgError (); |
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362 | |
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363 | CGparameter g_Texture; // the texture parameter |
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364 | |
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365 | |
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366 | fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0); |
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367 | Texture t("o.jpg"); |
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368 | g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;) |
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369 | cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture |
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370 | CheckCgError (); |
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371 | cgGLLoadProgram (fsh); |
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372 | CheckCgError (); |
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373 | |
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374 | cgGLBindProgram (vsh); |
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375 | CheckCgError (); |
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376 | cgGLBindProgram (fsh); |
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377 | CheckCgError (); |
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378 | |
371 | |
379 | /* Loop until done. */ |
372 | /* Loop until done. */ |
380 | start_time = SDL_GetTicks (); |
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381 | frames = 0; |
373 | frames = 0; |
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374 | |
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375 | linear_light mylight; |
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376 | mylight.radius = 100000; |
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377 | mylight.c = colour (1., 1, 1, 1.); |
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378 | mylight.intensity = 1.F; |
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379 | |
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380 | pass pass_light (&mylight); |
382 | |
381 | |
383 | while (!done) |
382 | while (!done) |
384 | { |
383 | { |
385 | char *sdl_error; |
384 | char *sdl_error; |
386 | SDL_Event event; |
385 | SDL_Event event; |
… | |
… | |
395 | camera.u = cross (camera.d, right); |
394 | camera.u = cross (camera.d, right); |
396 | |
395 | |
397 | camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
396 | camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
398 | camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
397 | camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
399 | |
398 | |
400 | cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); |
399 | mylight.orig = camera.orig; |
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400 | mylight.p = camera.p; |
401 | |
401 | |
402 | glBindTexture (GL_TEXTURE_2D, t.texture); |
402 | //mylight.intensity = max (sinf (timer.now) + 1.2F, 0.2F); |
403 | cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter |
403 | |
404 | |
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405 | #if 0 |
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406 | static GLfloat ry; |
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407 | ry += 0.001; |
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408 | camera.d.x = cos (ry); |
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409 | camera.d.z = sin (ry); |
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410 | //camera.d.y = sin (ry * 0.1); |
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411 | #endif |
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412 | |
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413 | camera.begin (); |
404 | camera.begin (); |
414 | camera.pass (view::DEPTH); |
405 | camera.render (view::DEPTH, pass_depth); |
415 | camera.pass (view::LIGHTED); |
406 | camera.render (view::POSTDEPTH, pass_depth); |
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407 | camera.render (view::LIGHTED, pass_light); |
416 | camera.end (); |
408 | camera.end (); |
417 | |
409 | |
418 | SDL_GL_SwapBuffers (); |
410 | SDL_GL_SwapBuffers (); |
419 | timer.frame (); |
411 | timer.frame (); |
420 | |
412 | |
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|
413 | #if 0 |
421 | /* Check for error conditions. */ |
414 | /* Check for error conditions. */ |
422 | gl_error = glGetError (); |
415 | gl_error = glGetError (); |
423 | |
416 | |
424 | if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); |
417 | if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); |
425 | |
418 | |
… | |
… | |
431 | SDL_ClearError (); |
424 | SDL_ClearError (); |
432 | } |
425 | } |
433 | |
426 | |
434 | /* Allow the user to see what's happening */ |
427 | /* Allow the user to see what's happening */ |
435 | //SDL_Delay (40); |
428 | //SDL_Delay (40); |
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429 | #endif |
436 | |
430 | |
437 | /* Check if there's a pending event. */ |
431 | /* Check if there's a pending event. */ |
438 | while (SDL_PollEvent (&event)) |
432 | while (SDL_PollEvent (&event)) |
439 | done = HandleEvent (&event); |
433 | done = HandleEvent (&event); |
440 | |
434 | |
441 | |
|
|
442 | ++frames; |
435 | ++frames; |
443 | } |
|
|
444 | |
|
|
445 | /* Print out the frames per second */ |
|
|
446 | this_time = SDL_GetTicks (); |
|
|
447 | if (this_time != start_time) |
|
|
448 | { |
|
|
449 | printf ("%2.2f FPS\n", |
|
|
450 | ((float) frames / (this_time - start_time)) * 1000.0); |
|
|
451 | } |
436 | } |
452 | |
437 | |
453 | if (global_image) |
438 | if (global_image) |
454 | { |
439 | { |
455 | SDL_FreeSurface (global_image); |
440 | SDL_FreeSurface (global_image); |
456 | global_image = NULL; |
441 | global_image = NULL; |
457 | } |
442 | } |
|
|
443 | |
458 | if (global_texture) |
444 | if (global_texture) |
459 | { |
445 | { |
460 | glDeleteTextures (1, &global_texture); |
446 | glDeleteTextures (1, &global_texture); |
461 | global_texture = 0; |
447 | global_texture = 0; |
462 | } |
448 | } |