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Comparing libgender/test.C (file contents):
Revision 1.29 by root, Tue Oct 5 07:09:17 2004 UTC vs.
Revision 1.64 by root, Sun Oct 17 17:19:55 2004 UTC

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
6#include "opengl.h"
7
6#include "SDL.h" 8#include "SDL.h"
7#include "SDL_opengl.h" 9#include "SDL_opengl.h"
8 10
9static SDL_Surface *global_image = NULL; 11static SDL_Surface *global_image = NULL;
10static GLuint global_texture = 0; 12static 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
16CGcontext cgc;
17CGprogram vsh, fsh;
18CGparameter mv, mvp;
19
20static void CheckCgError(void)
21{
22 CGerror err = cgGetError();
23
24 if (err != CG_NO_ERROR)
25 {
26 printf("CG error: %s\n", cgGetErrorString(err));
27 exit(1);
28 }
29}
30
31/**********************************************************************/ 18/**********************************************************************/
32 19
33view camera; 20view camera;
34vec3 camera_velocity; 21vec3 camera_velocity;
22float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
35float camera_velocity_factor = 10; 23float camera_velocity_factor = 80;
36 24
37void 25void
38HotKey_ToggleFullScreen (void) 26HotKey_ToggleFullScreen (void)
39{ 27{
40 SDL_Surface *screen; 28 SDL_Surface *screen;
… …
83 { 71 {
84 case SDL_ACTIVEEVENT: 72 case SDL_ACTIVEEVENT:
85 /* See what happened */ 73 /* See what happened */
86 printf ("app %s ", event->active.gain ? "gained" : "lost"); 74 printf ("app %s ", event->active.gain ? "gained" : "lost");
87 if (event->active.state & SDL_APPACTIVE) 75 if (event->active.state & SDL_APPACTIVE)
88 {
89 printf ("active "); 76 printf ("active ");
90 }
91 else if (event->active.state & SDL_APPMOUSEFOCUS) 77 else if (event->active.state & SDL_APPMOUSEFOCUS)
92 {
93 printf ("mouse "); 78 printf ("mouse ");
94 }
95 else if (event->active.state & SDL_APPINPUTFOCUS) 79 else if (event->active.state & SDL_APPINPUTFOCUS)
96 {
97 printf ("input "); 80 printf ("input ");
98 }
99 81
100 printf ("focus\n"); 82 printf ("focus\n");
101 break; 83 break;
102 84
103#define VELOCITY 10
104 case SDL_KEYDOWN: 85 case SDL_KEYDOWN:
105 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--; 86 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
106 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++; 87 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++;
107 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x--;
108 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x++; 88 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
89 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
90 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
91 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
109 if (event->key.keysym.sym == SDLK_a) camera_velocity.y--; 92 if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
110 if (event->key.keysym.sym == SDLK_s) camera_velocity.y++; 93 if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
111 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5; 94 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5;
112 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5; 95 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
113 96
114 if (event->key.keysym.sym == SDLK_ESCAPE) 97 if (event->key.keysym.sym == SDLK_ESCAPE)
115 done = 1; 98 done = 1;
116 99
117 if ((event->key.keysym.sym == SDLK_g) && 100 if ((event->key.keysym.sym == SDLK_g) &&
… …
129 break; 112 break;
130 113
131 case SDL_KEYUP: 114 case SDL_KEYUP:
132 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++; 115 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
133 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--; 116 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
134 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++; 117 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
135 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--; 118 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
119 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
120 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
136 if (event->key.keysym.sym == SDLK_a) camera_velocity.y++; 121 if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
137 if (event->key.keysym.sym == SDLK_s) camera_velocity.y--; 122 if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
138 break; 123 break;
139 124
140 case SDL_QUIT: 125 case SDL_QUIT:
141 done = 1; 126 done = 1;
142 break; 127 break;
143 } 128 }
144 129
145 return (done); 130 return (done);
146} 131}
147 132
148/* Quick utility function for texture creation */ 133void draw_floor (int size, int dx, int dy, int dz)
149static int
150power_of_two (int input)
151{ 134{
152 int value = 1; 135 int x, z, ry;
153 136
154 while (value < input) 137 for (x = 0; x < 10; x++)
155 {
156 value <<= 1;
157 } 138 {
158 return value; 139 for (z = 0; z < 10; z++)
159} 140 {
141 vector<vertex_t2f_n3f_v3f> pts;
142 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, 0), vec3 (0, 1, 0), tex2 (0, 0)));
143 pts.push_back (vertex_t2f_n3f_v3f (point ( 0, 0, size), vec3 (0, 1, 0), tex2 (0, 1)));
144 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, size), vec3 (0, 1, 0), tex2 (1, 1)));
145 pts.push_back (vertex_t2f_n3f_v3f (point (size, 0, 0), vec3 (0, 1, 0), tex2 (1, 0)));
160 146
161GLuint 147 geometry_quads *q = new geometry_quads;
162SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord) 148 q->m = new simple_material;
163{ 149 q->set (pts);
164 GLuint texture; 150 entity *e = new entity (q);
165 int w, h; 151 e->move (vec3 (dx + x * size, dy, dz + z * size));
166 SDL_Surface *image; 152 e->show ();
167 SDL_Rect area; 153 }
168 Uint32 saved_flags;
169 Uint8 saved_alpha;
170
171 /* Use the surface width and height expanded to powers of 2 */
172 w = power_of_two (surface->w);
173 h = power_of_two (surface->h);
174 texcoord[0] = 0.0f; /* Min X */
175 texcoord[1] = 0.0f; /* Min Y */
176 texcoord[2] = (GLfloat) surface->w / w; /* Max X */
177 texcoord[3] = (GLfloat) surface->h / h; /* Max Y */
178
179 image = SDL_CreateRGBSurface (SDL_SWSURFACE, w, h, 32,
180#if SDL_BYTEORDER == SDL_LIL_ENDIAN /* OpenGL RGBA masks */
181 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
182#else
183 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
184#endif
185 );
186 if (image == NULL)
187 { 154 }
188 return 0;
189 }
190
191 /* Save the alpha blending attributes */
192 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
193 saved_alpha = surface->format->alpha;
194 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
195 {
196 SDL_SetAlpha (surface, 0, 0);
197 }
198
199 /* Copy the surface into the GL texture image */
200 area.x = 0;
201 area.y = 0;
202 area.w = surface->w;
203 area.h = surface->h;
204 SDL_BlitSurface (surface, &area, image, &area);
205
206 /* Restore the alpha blending attributes */
207 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA)
208 {
209 SDL_SetAlpha (surface, saved_flags, saved_alpha);
210 }
211
212 /* Create an OpenGL texture for the image */
213 glGenTextures (1, &texture);
214 glBindTexture (GL_TEXTURE_2D, texture);
215 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
216 glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
217 glTexImage2D (GL_TEXTURE_2D,
218 0,
219 GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);
220 SDL_FreeSurface (image); /* No longer needed */
221
222 return texture;
223} 155}
224 156
157void draw_test_nurb ()
158{
159 geometry_nurbs *q = new geometry_nurbs;
160 q->set ();
161 entity *e = new entity (q);
162 e->move (vec3 (10, 3, -4));
163 e->show ();
164}
165
166extern void draw_level ();
225int 167int
226RunGLTest (int argc, char *argv[], 168RunGLTest (int argc, char *argv[],
227 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 169 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
228{ 170{
229 int i; 171 int i;
230 int rgb_size[3]; 172 int rgb_size[3];
231 int w = 640; 173 int w = 640;
232 int h = 480; 174 int h = 480;
233 int done = 0; 175 int done = 0;
234 int frames; 176 int frames;
235 Uint32 start_time, this_time;
236 Uint32 video_flags; 177 Uint32 video_flags;
237 int value; 178 int value;
179 GLenum gl_error;
238 180
239 if (SDL_Init (SDL_INIT_VIDEO) < 0) 181 if (SDL_Init (SDL_INIT_VIDEO) < 0)
240 { 182 {
241 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 183 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
242 exit (1); 184 exit (1);
… …
335 277
336 /* Set the gamma for the window */ 278 /* Set the gamma for the window */
337 if (gamma != 0.0) 279 if (gamma != 0.0)
338 SDL_SetGamma (gamma, gamma, gamma); 280 SDL_SetGamma (gamma, gamma, gamma);
339 281
340 // load a entity 282 entity *planet = new entity (new geometry_sphere (10));
283 planet->move (vec3 (0, 0, -20));
284 planet->show ();
285
286#if 1
341 for (int i = 0; i < 7; i++) 287 for (int i = 0; i < 20; i++)
342 { 288 {
289 // load a entity
343 txtprt_parser p; 290 txtprt_parser p;
344 entity_transform *f = new entity_transform; 291 geometry *g;
345 entity *e;
346 try 292 try
347 { 293 {
348 e = p.read ("test.blasc"); 294 g = p.read ("test.blasc");
295 }
349 } catch (txtprt_i_exception & e) 296 catch (txtprt_i_exception & e)
350 { 297 {
351 cout << "ERR: " << e.msg << endl; 298 cout << "ERR: " << e.msg << endl;
352 } 299 }
353 f->set (e); 300
354 f->update (matrix::translation (vec3 (0, -1, -i*5))); 301 entity *e = new entity (g);
302 e->move (vec3 (i*5, -3, -i*10));
355 f->show (); 303 e->show ();
304 }
305
356 } 306 {
307 entity *planet = new entity (new geometry_sphere (1e9));
308 planet->move (vec3 (0, 0, -1.5e9));
309 planet->show ();
310 }
357 311
312 {
313 entity *planet = new entity (new geometry_sphere (4e15));
314 planet->move (vec3 (0, 0, 1e17));
315 planet->show ();
316 }
317
318 draw_floor (10, -500, -10, -1000);
319 draw_level ();
320 //draw_test_nurb ();
321#endif
322
323 //camera.orig.x = 108; camera.orig.y = 0; camera.orig.z = -368;
358 camera.orig.x = camera.orig.y = camera.orig.z = 0; 324 camera.orig.x = 0; camera.orig.y = 0; camera.orig.z = 0;
359 camera.p = point (0, 0, 10); 325 camera.p = point (0, 0, 10);
360 camera.d = vec3 (0, 0, -1); 326 camera.d = vec3 (0, 0, -1);
361 camera.u = vec3 (0, 1, 0); 327 camera.u = vec3 (0, 1, 0);
362 camera.w = w; camera.h = h; 328 camera.w = w; camera.h = h;
363 camera.fov = 90; 329 camera.fov = 35;
364 330 camera.z_near = 1.;
365 glMatrixMode (GL_MODELVIEW);
366 glLoadIdentity ();
367 331
368 glEnable (GL_CULL_FACE); 332 glEnable (GL_CULL_FACE);
369 glEnable (GL_DEPTH_TEST);
370 //glEnable(GL_VERTEX_PROGRAM_ARB);
371 //glEnable(GL_FRAGMENT_PROGRAM_ARB);
372 333
373 glShadeModel (GL_SMOOTH); 334 init_shaders ();
374 335
375 glEnable (GL_LIGHTING); 336 osama_material osa_mat;
376 //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
377 //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
378 //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
379 glEnable (GL_LIGHT0);
380
381 cgc = cgCreateContext ();
382 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", CG_PROFILE_ARBVP1, 0, 0);
383 CheckCgError ();
384 cgGLLoadProgram (vsh);
385 CheckCgError ();
386 mv = cgGetNamedParameter (vsh, "WorldProj");
387 CheckCgError ();
388 mvp = cgGetNamedParameter (vsh, "WorldViewProj");
389 CheckCgError ();
390 cgGLEnableProfile (CG_PROFILE_ARBVP1);
391 CheckCgError ();
392
393 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", CG_PROFILE_ARBFP1, 0, 0);
394 cgGLLoadProgram (fsh);
395 cgGLEnableProfile (CG_PROFILE_ARBFP1);
396
397 cgGLBindProgram (vsh);
398 cgGLBindProgram (fsh);
399 337
400 /* Loop until done. */ 338 /* Loop until done. */
401 start_time = SDL_GetTicks ();
402 frames = 0; 339 frames = 0;
403 340
404 draw_context c (camera);
405
406 while (!done) 341 while (!done)
407 { 342 {
408 GLenum gl_error;
409 char *sdl_error; 343 char *sdl_error;
410 SDL_Event event; 344 SDL_Event event;
411 345
412 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 346 camera_angle += 180 * camera_velocity_angle * timer.diff;
347 camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
413 348
414 camera.p.x += (camera_velocity_factor * camera_velocity.x) * timer.diff; 349 vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
415 camera.p.y += (camera_velocity_factor * camera_velocity.y) * timer.diff; 350 vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
416 camera.p.z += (camera_velocity_factor * camera_velocity.z) * timer.diff;
417 351
418 GLfloat lightp[4]; 352 camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
419 lightp[0] = camera.p.x; 353 camera.u = cross (camera.d, right);
420 lightp[1] = camera.p.y;
421 lightp[2] = camera.p.z;
422 lightp[3] = 1;
423 glLightfv (GL_LIGHT0, GL_POSITION, lightp);
424 354
425#if 0 355 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
426 static GLfloat ry; 356 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
427 ry += 0.001; 357
428 camera.d.x = cos (ry); 358 osa_mat.begin ();
359
429 camera.d.z = sin (ry); 360 camera.begin ();
430 //camera.d.y = sin (ry * 0.1); 361 camera.render (view::DEPTH);
431#endif 362 camera.render (view::POSTDEPTH);
432 363 camera.render (view::LIGHTED);
433 c.mode = draw_context::DEPTH;
434 camera.draw (c); 364 camera.end ();
435 c.mode = draw_context::LIGHTED;
436 camera.draw (c);
437 365
438 SDL_GL_SwapBuffers (); 366 SDL_GL_SwapBuffers ();
439 timer.frame (); 367 timer.frame ();
440 368
369 osa_mat.end ();
370
371#if 0
441 /* Check for error conditions. */ 372 /* Check for error conditions. */
442 gl_error = glGetError (); 373 gl_error = glGetError ();
443 374
444 if (gl_error != GL_NO_ERROR)
445 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 375 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
446 376
447 sdl_error = SDL_GetError (); 377 sdl_error = SDL_GetError ();
448 378
449 if (sdl_error[0] != '\0') 379 if (sdl_error[0] != '\0')
450 { 380 {
451 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 381 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
452 SDL_ClearError (); 382 SDL_ClearError ();
453 } 383 }
454 384
455 /* Allow the user to see what's happening */ 385 /* Allow the user to see what's happening */
456 //SDL_Delay (20); 386 //SDL_Delay (40);
387#endif
457 388
458 /* Check if there's a pending event. */ 389 /* Check if there's a pending event. */
459 while (SDL_PollEvent (&event)) 390 while (SDL_PollEvent (&event))
460 done = HandleEvent (&event); 391 done = HandleEvent (&event);
461 392
462 393
463 ++frames; 394 ++frames;
464 } 395 }
465 396
466 /* Print out the frames per second */
467 this_time = SDL_GetTicks ();
468 if (this_time != start_time)
469 {
470 printf ("%2.2f FPS\n",
471 ((float) frames / (this_time - start_time)) * 1000.0);
472 }
473
474 if (global_image) 397 if (global_image)
475 { 398 {
476 SDL_FreeSurface (global_image); 399 SDL_FreeSurface (global_image);
477 global_image = NULL; 400 global_image = NULL;
478 } 401 }
… …
484 407
485 /* Destroy our GL context, etc. */ 408 /* Destroy our GL context, etc. */
486 SDL_Quit (); 409 SDL_Quit ();
487 return (0); 410 return (0);
488} 411}
489
490int 412int
491main (int argc, char *argv[]) 413main (int argc, char *argv[])
492{ 414{
493 int i, logo; 415 int i, logo;
494 int numtests; 416 int numtests;

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