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Comparing libgender/test.C (file contents):
Revision 1.31 by root, Tue Oct 5 08:28:39 2004 UTC vs.
Revision 1.53 by root, Sun Oct 10 00:00:52 2004 UTC

… …
14#include "txtprt_import.h" 14#include "txtprt_import.h"
15 15
16CGcontext cgc; 16CGcontext cgc;
17CGprogram vsh, fsh; 17CGprogram vsh, fsh;
18CGparameter mv, mvp, lightpos; 18CGparameter mv, mvp, lightpos;
19CGprofile vsh_profile, fsh_profile;
19 20
20static void CheckCgError(void) 21static void CheckCgError (void)
21{ 22{
22 CGerror err = cgGetError(); 23 CGerror err = cgGetError ();
23 24
24 if (err != CG_NO_ERROR) 25 if (err != CG_NO_ERROR)
25 { 26 {
26 printf("CG error: %s\n", cgGetErrorString(err)); 27 printf("CG error: %s\n", cgGetErrorString (err));
27 exit(1); 28 exit(1);
28 } 29 }
29} 30}
30 31
31/**********************************************************************/ 32/**********************************************************************/
32 33
33view camera; 34view camera;
34vec3 camera_velocity; 35vec3 camera_velocity;
36float camera_angle, camera_angle2, camera_velocity_angle, camera_velocity_angle2;
35float camera_velocity_factor = 10; 37float camera_velocity_factor = 80;
36 38
37void 39void
38HotKey_ToggleFullScreen (void) 40HotKey_ToggleFullScreen (void)
39{ 41{
40 SDL_Surface *screen; 42 SDL_Surface *screen;
… …
98 } 100 }
99 101
100 printf ("focus\n"); 102 printf ("focus\n");
101 break; 103 break;
102 104
103#define VELOCITY 10
104 case SDL_KEYDOWN: 105 case SDL_KEYDOWN:
105 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--; 106 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z--;
106 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z++; 107 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++; 108 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle++;
109 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle--;
110 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2++;
111 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2--;
109 if (event->key.keysym.sym == SDLK_a) camera_velocity.y--; 112 if (event->key.keysym.sym == SDLK_e) camera_velocity.y--;
110 if (event->key.keysym.sym == SDLK_s) camera_velocity.y++; 113 if (event->key.keysym.sym == SDLK_q) camera_velocity.y++;
111 if (event->key.keysym.sym == SDLK_v) camera_velocity_factor *= 1.5; 114 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; 115 if (event->key.keysym.sym == SDLK_b) camera_velocity_factor /= 1.5;
113 116
114 if (event->key.keysym.sym == SDLK_ESCAPE) 117 if (event->key.keysym.sym == SDLK_ESCAPE)
115 done = 1; 118 done = 1;
116 119
117 if ((event->key.keysym.sym == SDLK_g) && 120 if ((event->key.keysym.sym == SDLK_g) &&
… …
129 break; 132 break;
130 133
131 case SDL_KEYUP: 134 case SDL_KEYUP:
132 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++; 135 if (event->key.keysym.sym == SDLK_UP) camera_velocity.z++;
133 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--; 136 if (event->key.keysym.sym == SDLK_DOWN) camera_velocity.z--;
134 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity.x++; 137 if (event->key.keysym.sym == SDLK_LEFT) camera_velocity_angle++;
135 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity.x--; 138 if (event->key.keysym.sym == SDLK_RIGHT) camera_velocity_angle--;
139 if (event->key.keysym.sym == SDLK_PAGEUP) camera_velocity_angle2--;
140 if (event->key.keysym.sym == SDLK_PAGEDOWN) camera_velocity_angle2++;
136 if (event->key.keysym.sym == SDLK_a) camera_velocity.y++; 141 if (event->key.keysym.sym == SDLK_e) camera_velocity.y++;
137 if (event->key.keysym.sym == SDLK_s) camera_velocity.y--; 142 if (event->key.keysym.sym == SDLK_q) camera_velocity.y--;
138 break; 143 break;
139 144
140 case SDL_QUIT: 145 case SDL_QUIT:
141 done = 1; 146 done = 1;
142 break; 147 break;
143 } 148 }
144 149
145 return (done); 150 return (done);
146} 151}
147 152
148/* Quick utility function for texture creation */ 153void draw_floor (int size, int dx, int dy, int dz)
149static int
150power_of_two (int input)
151{ 154{
152 int value = 1; 155 int x, z, ry;
153 156
154 while (value < input) 157 for (x = 0; x < 100; x++)
155 {
156 value <<= 1;
157 } 158 {
158 return value; 159 for (z = 0; z < 100; z++)
159} 160 {
161 vector<vertex2d> pts;
162 pts.push_back (vertex2d (point ( 0, 0, 0), vec3 (0, 1, 0), texc (0, 0)));
163 pts.push_back (vertex2d (point ( 0, 0, size), vec3 (0, 1, 0), texc (0, 1)));
164 pts.push_back (vertex2d (point (size, 0, size), vec3 (0, 1, 0), texc (1, 1)));
165 pts.push_back (vertex2d (point (size, 0, 0), vec3 (0, 1, 0), texc (1, 0)));
160 166
161GLuint 167 geometry_quads *q = new geometry_quads;
162SDL_GL_LoadTexture (SDL_Surface * surface, GLfloat * texcoord) 168 q->set (pts);
163{ 169 entity *e = new entity (q);
164 GLuint texture; 170 e->move (vec3 (dx + x * size, dy, dz + z * size));
165 int w, h; 171 e->show ();
166 SDL_Surface *image; 172 }
167 SDL_Rect area;
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 { 173 }
188 return 0; 174}
189 }
190 175
191 /* Save the alpha blending attributes */ 176void draw_test_nurb ()
192 saved_flags = surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK); 177{
193 saved_alpha = surface->format->alpha; 178 geometry_nurbs *q = new geometry_nurbs;
194 if ((saved_flags & SDL_SRCALPHA) == SDL_SRCALPHA) 179 q->set ();
195 { 180 entity *e = new entity (q);
196 SDL_SetAlpha (surface, 0, 0); 181 e->move (vec3 (10, 3, -4));
197 } 182 e->show ();
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} 183}
224 184
225int 185int
226RunGLTest (int argc, char *argv[], 186RunGLTest (int argc, char *argv[],
227 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa) 187 int logo, int slowly, int bpp, float gamma, int noframe, int fsaa)
… …
233 int done = 0; 193 int done = 0;
234 int frames; 194 int frames;
235 Uint32 start_time, this_time; 195 Uint32 start_time, this_time;
236 Uint32 video_flags; 196 Uint32 video_flags;
237 int value; 197 int value;
198 GLenum gl_error;
238 199
239 if (SDL_Init (SDL_INIT_VIDEO) < 0) 200 if (SDL_Init (SDL_INIT_VIDEO) < 0)
240 { 201 {
241 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ()); 202 fprintf (stderr, "Couldn't initialize SDL: %s\n", SDL_GetError ());
242 exit (1); 203 exit (1);
… …
335 296
336 /* Set the gamma for the window */ 297 /* Set the gamma for the window */
337 if (gamma != 0.0) 298 if (gamma != 0.0)
338 SDL_SetGamma (gamma, gamma, gamma); 299 SDL_SetGamma (gamma, gamma, gamma);
339 300
340 // load a entity
341 for (int i = 0; i < 7; i++) 301 for (int i = 0; i < 1; i++)
342 { 302 {
303 // load a entity
343 txtprt_parser p; 304 txtprt_parser p;
344 entity_transform *f = new entity_transform; 305 geometry *g;
345 entity *e;
346 try 306 try
347 { 307 {
348 e = p.read ("test.blasc"); 308 g = p.read ("test.blasc");
309 }
349 } catch (txtprt_i_exception & e) 310 catch (txtprt_i_exception & e)
350 { 311 {
351 cout << "ERR: " << e.msg << endl; 312 cout << "ERR: " << e.msg << endl;
352 } 313 }
353 f->set (e); 314
354 f->update (matrix::translation (vec3 (0, -1, -i*5))); 315 entity *e = new entity (g);
316 e->move (vec3 (i*5, -3, -i*10));
355 f->show (); 317 e->show ();
356 } 318 }
319
320 draw_floor (10, -500, -10, -1000);
321 //draw_test_nurb ();
357 322
358 camera.orig.x = camera.orig.y = camera.orig.z = 0; 323 camera.orig.x = camera.orig.y = camera.orig.z = 0;
359 camera.p = point (0, 0, 10); 324 camera.p = point (0, 0, 10);
360 camera.d = vec3 (0, 0, -1); 325 camera.d = vec3 (0, 0, -1);
361 camera.u = vec3 (0, 1, 0); 326 camera.u = vec3 (0, 1, 0);
362 camera.w = w; camera.h = h; 327 camera.w = w; camera.h = h;
363 camera.fov = 90; 328 camera.fov = 35;
329 camera.z_near = 1.;
364 330
365 glMatrixMode (GL_MODELVIEW); 331 glMatrixMode (GL_MODELVIEW);
366 glLoadIdentity (); 332 glLoadIdentity ();
367 333
368 glEnable (GL_CULL_FACE); 334 glEnable (GL_CULL_FACE);
369 glEnable (GL_DEPTH_TEST); 335 glEnable (GL_DEPTH_TEST);
370 336
371 glShadeModel (GL_SMOOTH); 337 glShadeModel (GL_SMOOTH);
372 338
373 glEnable (GL_LIGHTING); 339 glEnable (GL_LIGHTING);
374 //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 };
375 //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION);
376 //glLightfv (GL_LIGHT0, GL_DIFFUSE, lightc);
377 glEnable (GL_LIGHT0); 340 glEnable (GL_LIGHT0);
378 341
379 cgc = cgCreateContext (); 342 cgc = cgCreateContext ();
343
344 vsh_profile = CG_PROFILE_ARBVP1;
345 //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30;
346 //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40;
347 fsh_profile = CG_PROFILE_ARBFP1;
348 //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30;
349 //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40;
350
380 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", CG_PROFILE_ARBVP1, 0, 0); 351 vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0);
381 CheckCgError (); 352 CheckCgError ();
382 cgGLLoadProgram (vsh); 353 cgGLLoadProgram (vsh);
383 CheckCgError (); 354 CheckCgError ();
384 mv = cgGetNamedParameter (vsh, "WorldProj"); 355 mv = cgGetNamedParameter (vsh, "WorldProj");
385 mvp = cgGetNamedParameter (vsh, "WorldViewProj"); 356 mvp = cgGetNamedParameter (vsh, "WorldViewProj");
386 lightpos = cgGetNamedParameter (vsh, "LightPos"); 357 lightpos = cgGetNamedParameter (vsh, "LightPos");
387 CheckCgError (); 358 CheckCgError ();
388 359
360 CGparameter g_Texture; // the texture parameter
361
362
389 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", CG_PROFILE_ARBFP1, 0, 0); 363 fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0);
364 Texture t("o.jpg");
365 g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;)
366 cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture
390 CheckCgError (); 367 CheckCgError ();
391 cgGLLoadProgram (fsh); 368 cgGLLoadProgram (fsh);
392 CheckCgError (); 369 CheckCgError ();
393 370
394 cgGLBindProgram (vsh); 371 cgGLBindProgram (vsh);
… …
398 375
399 /* Loop until done. */ 376 /* Loop until done. */
400 start_time = SDL_GetTicks (); 377 start_time = SDL_GetTicks ();
401 frames = 0; 378 frames = 0;
402 379
403 draw_context c (camera);
404
405 while (!done) 380 while (!done)
406 { 381 {
407 GLenum gl_error;
408 char *sdl_error; 382 char *sdl_error;
409 SDL_Event event; 383 SDL_Event event;
410 384
411 glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); 385 camera_angle += 180 * camera_velocity_angle * timer.diff;
386 camera_angle2 += 180 * camera_velocity_angle2 * timer.diff;
412 387
413 camera.p.x += (camera_velocity_factor * camera_velocity.x) * timer.diff; 388 vec3 geradeaus = matrix::rotation (-camera_angle, vec3 (0, 1, 0)) * vec3 (0, 0, -1);
414 camera.p.y += (camera_velocity_factor * camera_velocity.y) * timer.diff; 389 vec3 right = matrix::rotation (90., vec3 (0, 1, 0)) * geradeaus;
415 camera.p.z += (camera_velocity_factor * camera_velocity.z) * timer.diff; 390
391 camera.d = matrix::rotation (camera_angle2, right) * geradeaus;
392 camera.u = cross (camera.d, right);
393
394 camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z;
395 camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y;
416 396
417 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); 397 cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1);
398
399 glBindTexture (GL_TEXTURE_2D, t.texture);
400 cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter
418 401
419#if 0 402#if 0
420 static GLfloat ry; 403 static GLfloat ry;
421 ry += 0.001; 404 ry += 0.001;
422 camera.d.x = cos (ry); 405 camera.d.x = cos (ry);
423 camera.d.z = sin (ry); 406 camera.d.z = sin (ry);
424 //camera.d.y = sin (ry * 0.1); 407 //camera.d.y = sin (ry * 0.1);
425#endif 408#endif
426 409
427 c.mode = draw_context::DEPTH; 410 camera.begin ();
411 camera.pass (view::DEPTH);
412 camera.pass (view::LIGHTED);
428 camera.draw (c); 413 camera.end ();
429 c.mode = draw_context::LIGHTED;
430 camera.draw (c);
431 414
432 SDL_GL_SwapBuffers (); 415 SDL_GL_SwapBuffers ();
433 timer.frame (); 416 timer.frame ();
434 417
435 /* Check for error conditions. */ 418 /* Check for error conditions. */
436 gl_error = glGetError (); 419 gl_error = glGetError ();
437 420
438 if (gl_error != GL_NO_ERROR)
439 fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error); 421 if (gl_error != GL_NO_ERROR) fprintf (stderr, "testgl: OpenGL error: %d\n", gl_error);
440 422
441 sdl_error = SDL_GetError (); 423 sdl_error = SDL_GetError ();
442 424
443 if (sdl_error[0] != '\0') 425 if (sdl_error[0] != '\0')
444 { 426 {
445 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error); 427 fprintf (stderr, "testgl: SDL error '%s'\n", sdl_error);
446 SDL_ClearError (); 428 SDL_ClearError ();
447 } 429 }
448 430
449 /* Allow the user to see what's happening */ 431 /* Allow the user to see what's happening */
450 //SDL_Delay (20); 432 //SDL_Delay (40);
451 433
452 /* Check if there's a pending event. */ 434 /* Check if there's a pending event. */
453 while (SDL_PollEvent (&event)) 435 while (SDL_PollEvent (&event))
454 done = HandleEvent (&event); 436 done = HandleEvent (&event);
455 437

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