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| 10 | static GLuint global_texture = 0; |
10 | static GLuint global_texture = 0; |
| 11 | |
11 | |
| 12 | #include "util.h" |
12 | #include "util.h" |
| 13 | #include "entity.h" |
13 | #include "entity.h" |
| 14 | #include "txtprt_import.h" |
14 | #include "txtprt_import.h" |
| 15 | |
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| 16 | CGcontext cgc; |
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| 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 | |
15 | |
| 32 | /**********************************************************************/ |
16 | /**********************************************************************/ |
| 33 | |
17 | |
| 34 | view camera; |
18 | view camera; |
| 35 | vec3 camera_velocity; |
19 | vec3 camera_velocity; |
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| 341 | glShadeModel (GL_SMOOTH); |
325 | glShadeModel (GL_SMOOTH); |
| 342 | |
326 | |
| 343 | glEnable (GL_LIGHTING); |
327 | glEnable (GL_LIGHTING); |
| 344 | glEnable (GL_LIGHT0); |
328 | glEnable (GL_LIGHT0); |
| 345 | |
329 | |
| 346 | cgc = cgCreateContext (); |
330 | init_shaders (); |
| 347 | |
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| 348 | vsh_profile = CG_PROFILE_ARBVP1; |
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| 349 | //if (cgGLIsProfileSupported (CG_PROFILE_VP30)) vsh_profile = CG_PROFILE_VP30; |
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| 350 | //if (cgGLIsProfileSupported (CG_PROFILE_VP40)) vsh_profile = CG_PROFILE_VP40; |
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| 351 | fsh_profile = CG_PROFILE_ARBFP1; |
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| 352 | //if (cgGLIsProfileSupported (CG_PROFILE_FP30)) fsh_profile = CG_PROFILE_FP30; |
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| 353 | //if (cgGLIsProfileSupported (CG_PROFILE_FP40)) fsh_profile = CG_PROFILE_FP40; |
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| 354 | |
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| 355 | vsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "vsh.cg", vsh_profile, 0, 0); |
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| 356 | CheckCgError (); |
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| 357 | cgGLLoadProgram (vsh); |
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| 358 | CheckCgError (); |
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| 359 | mv = cgGetNamedParameter (vsh, "WorldProj"); |
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| 360 | mvp = cgGetNamedParameter (vsh, "WorldViewProj"); |
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| 361 | lightpos = cgGetNamedParameter (vsh, "LightPos"); |
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| 362 | CheckCgError (); |
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| 363 | |
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| 364 | CGparameter g_Texture; // the texture parameter |
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| 365 | |
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| 366 | |
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| 367 | fsh = cgCreateProgramFromFile (cgc, CG_SOURCE, "fsh.cg", fsh_profile, 0, 0); |
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| 368 | Texture t("o.jpg"); |
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| 369 | g_Texture = cgGetNamedParameter(fsh, "Texture"); // the texture cg-warper ;) |
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| 370 | cgGLSetTextureParameter(g_Texture, t.texture); // Bind the texture number 999 to g_Texture |
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| 371 | CheckCgError (); |
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| 372 | cgGLLoadProgram (fsh); |
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| 373 | CheckCgError (); |
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| 374 | |
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| 375 | cgGLBindProgram (vsh); |
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| 376 | CheckCgError (); |
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| 377 | cgGLBindProgram (fsh); |
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| 378 | CheckCgError (); |
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| 379 | |
331 | |
| 380 | /* Loop until done. */ |
332 | /* Loop until done. */ |
| 381 | start_time = SDL_GetTicks (); |
333 | start_time = SDL_GetTicks (); |
| 382 | frames = 0; |
334 | frames = 0; |
| 383 | |
335 | |
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| 396 | camera.u = cross (camera.d, right); |
348 | camera.u = cross (camera.d, right); |
| 397 | |
349 | |
| 398 | camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
350 | camera.p = camera.p - camera.d * (camera_velocity_factor * timer.diff) * camera_velocity.z; |
| 399 | camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
351 | camera.p = camera.p - camera.u * (camera_velocity_factor * timer.diff) * camera_velocity.y; |
| 400 | |
352 | |
| 401 | cgGLSetParameter4f (lightpos, camera.p.x, camera.p.y, camera.p.z, 1); |
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| 402 | |
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| 403 | glBindTexture (GL_TEXTURE_2D, t.texture); |
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| 404 | cgGLEnableTextureParameter (g_Texture); // Enable the texture parameter |
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| 405 | |
353 | |
| 406 | #if 0 |
354 | #if 0 |
| 407 | static GLfloat ry; |
355 | static GLfloat ry; |
| 408 | ry += 0.001; |
356 | ry += 0.001; |
| 409 | camera.d.x = cos (ry); |
357 | camera.d.x = cos (ry); |
