| 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 | #include <sh/sh.hpp> |
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| 6 | |
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| 7 | using namespace SH; |
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| 8 | |
5 | |
| 9 | #include "SDL.h" |
6 | #include "SDL.h" |
| 10 | |
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| 11 | #include "SDL_opengl.h" |
7 | #include "SDL_opengl.h" |
| 12 | |
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| 13 | /* Undefine this if you want a flat cube instead of a rainbow cube */ |
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| 14 | #define SHADED_CUBE |
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| 15 | |
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| 16 | /* Define this to be the name of the logo image to use with -logo */ |
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| 17 | #define LOGO_FILE "icon.bmp" |
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| 18 | |
8 | |
| 19 | static SDL_Surface *global_image = NULL; |
9 | static SDL_Surface *global_image = NULL; |
| 20 | static GLuint global_texture = 0; |
10 | static GLuint global_texture = 0; |
| 21 | |
11 | |
| 22 | #include "entity.h" |
12 | #include "entity.h" |
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| 26 | /**********************************************************************/ |
16 | /**********************************************************************/ |
| 27 | |
17 | |
| 28 | view camera; |
18 | view camera; |
| 29 | vec3 camera_velocity; |
19 | vec3 camera_velocity; |
| 30 | float camera_velocity_factor = 10; |
20 | float camera_velocity_factor = 10; |
| 31 | |
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| 32 | ShColor3f color = ShColor3f(.5, 0.9, 0.2); |
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| 33 | ShPoint3f lightPos = ShPoint3f(0.0, 0.0, 10.0); |
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| 34 | ShMatrix4x4f mvp; |
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| 35 | ShProgram vsh, fsh; |
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| 36 | |
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| 37 | void |
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| 38 | init_shaders () |
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| 39 | { |
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| 40 | { |
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| 41 | vsh = SH_BEGIN_PROGRAM ("gpu:vertex") |
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| 42 | ShInputNormal3f normal; |
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| 43 | ShInputPosition4f p; |
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| 44 | |
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| 45 | ShOutputPoint4f ov; |
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| 46 | ShOutputNormal3f on; |
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| 47 | ShOutputVector3f lvv; |
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| 48 | ShOutputPosition4f opd; |
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| 49 | |
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| 50 | opd = mvp | p; |
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| 51 | on = normalize (mvp | normal); |
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| 52 | ov = -normalize (mvp | p); |
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| 53 | lvv = normalize (lightPos - (mvp | p) (0, 1, 2)); |
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| 54 | SH_END; |
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| 55 | } |
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| 56 | |
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| 57 | // declare and initialize diffuse color |
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| 58 | ShColor3f kd = ShColor3f (0.5, 0.7, 0.9); |
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| 59 | |
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| 60 | { |
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| 61 | fsh = SH_BEGIN_PROGRAM ("gpu:fragment") |
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| 62 | ShInputVector4f v; |
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| 63 | ShInputNormal3f n; |
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| 64 | ShInputVector3f lvv; |
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| 65 | ShInputPosition4f p; |
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| 66 | |
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| 67 | ShOutputColor3f out; |
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| 68 | out (0, 1, 2) = color * dot (normalize (n), normalize (lvv)); |
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| 69 | SH_END; |
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| 70 | } |
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| 71 | } |
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| 72 | |
21 | |
| 73 | void |
22 | void |
| 74 | HotKey_ToggleFullScreen (void) |
23 | HotKey_ToggleFullScreen (void) |
| 75 | { |
24 | { |
| 76 | SDL_Surface *screen; |
25 | SDL_Surface *screen; |
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| 401 | glMatrixMode (GL_MODELVIEW); |
350 | glMatrixMode (GL_MODELVIEW); |
| 402 | glLoadIdentity (); |
351 | glLoadIdentity (); |
| 403 | |
352 | |
| 404 | glEnable (GL_CULL_FACE); |
353 | glEnable (GL_CULL_FACE); |
| 405 | glEnable (GL_DEPTH_TEST); |
354 | glEnable (GL_DEPTH_TEST); |
| 406 | shInit(); |
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| 407 | shSetBackend("arb"); |
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| 408 | glEnable(GL_VERTEX_PROGRAM_ARB); |
355 | glEnable(GL_VERTEX_PROGRAM_ARB); |
| 409 | glEnable(GL_FRAGMENT_PROGRAM_ARB); |
356 | glEnable(GL_FRAGMENT_PROGRAM_ARB); |
| 410 | |
357 | |
| 411 | init_shaders(); |
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| 412 | shBind(vsh); |
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| 413 | shBind(fsh); |
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| 414 | glShadeModel (GL_SMOOTH); |
358 | glShadeModel (GL_SMOOTH); |
| 415 | |
359 | |
| 416 | glEnable (GL_LIGHTING); |
360 | glEnable (GL_LIGHTING); |
| 417 | //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 }; |
361 | //GLfloat lightc[4] = { 1, 0.1, 0.1, 1 }; |
| 418 | //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION); |
362 | //glLightf (GL_LIGHT0, GL_QUADRATIC_ATTENUATION); |
