git.mutantstargoat.com Git - andemo/blob - src/demo.c

   1 #include <stdio.h>
   2 #include "demo.h"
   3 #include "opengl.h"
   4 #include "sanegl.h"
   5 #include "assman.h"
   6 #include "demosys.h"
   7
   8 static unsigned int sdr_foo;
   9 static unsigned int tex_logo;
  10
  11 int demo_init(void)
  12 {
  13         if(init_opengl() == -1) {
  14                 return -1;
  15         }
  16
  17         if(!(sdr_foo = get_sdrprog("sdr/foo.v.glsl", "sdr/foo.p.glsl"))) {
  18                 return -1;
  19         }
  20         if(!(tex_logo = get_tex2d("data/ml_logo_old.png"))) {
  21                 return -1;
  22         }
  23         glBindTexture(GL_TEXTURE_2D, tex_logo);
  24         glUseProgram(sdr_foo);
  25         gl_begin(GL_QUADS);
  26         gl_texcoord2f(0, 1);
  27         gl_vertex2f(-1, -1);
  28         gl_texcoord2f(1, 1);
  29         gl_vertex2f(1, -1);
  30         gl_texcoord2f(1, 0);
  31         gl_vertex2f(1, 1);
  32         gl_texcoord2f(0, 0);
  33         gl_vertex2f(-1, 1);
  34         gl_end();
  35         swap_buffers();
  36
  37         if(dsys_init("data/demoscript") == -1) {
  38                 return -1;
  39         }
  40
  41         return 0;
  42 }
  43
  44 void demo_cleanup(void)
  45 {
  46         dsys_destroy();
  47 }
  48
  49 void demo_display(void)
  50 {
  51         dsys_update();
  52
  53         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  54         dsys_draw();
  55 }
  56
  57 void demo_reshape(int x, int y)
  58 {
  59         int i;
  60
  61         glViewport(0, 0, x, y);
  62
  63         for(i=0; i<dsys.num_screens; i++) {
  64                 if(dsys.screens[i]->reshape) {
  65                         dsys.screens[i]->reshape(x, y);
  66                 }
  67         }
  68 }
  69
  70 void demo_keyboard(int key, int pressed)
  71 {
  72         if(!pressed) return;
  73
  74         switch(key) {
  75         case ' ':
  76                 if(dsys.running) {
  77                         dsys_stop();
  78                 } else {
  79                         dsys_run();
  80                 }
  81                 break;
  82
  83         case '\b':
  84                 dsys_seek_abs(0);
  85                 break;
  86
  87         default:
  88                 if(key >= '0' && key <= '9') {
  89                         dsys_seek_rel((float)(key - '0') / 9.0f);
  90
  91                 } else if(key >= KEY_F1 && key <= KEY_F12) {
  92                         int idx = key - KEY_F1;
  93                         if(idx < dsys.num_screens) {
  94                                 dsys_run_screen(dsys.screens[idx]);
  95                         }
  96
  97                 } else {
  98                         int i;
  99                         for(i=0; i<dsys.num_act; i++) {
 100                                 struct demoscreen *scr = dsys.act[i];
 101                                 if(scr->keyboard) scr->keyboard(key, pressed);
 102                         }
 103                 }
 104         }
 105 }
 106
 107 void demo_mouse(int bn, int pressed, int x, int y)
 108 {
 109         int i;
 110         for(i=0; i<dsys.num_act; i++) {
 111                 struct demoscreen *scr = dsys.act[i];
 112                 if(scr->mouse) scr->mouse(bn, pressed, x, y);
 113         }
 114 }
 115
 116 void demo_motion(int x, int y)
 117 {
 118         int i;
 119         for(i=0; i<dsys.num_act; i++) {
 120                 struct demoscreen *scr = dsys.act[i];
 121                 if(scr->motion) scr->motion(x, y);
 122         }
 123 }