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         glUseProgram(sdr_foo);
  24         gl_begin(GL_QUADS);
  25         gl_texcoord2f(0, 1);
  26         gl_vertex2f(-1, -1);
  27         gl_texcoord2f(1, 1);
  28         gl_vertex2f(1, -1);
  29         gl_texcoord2f(1, 0);
  30         gl_vertex2f(1, 1);
  31         gl_texcoord2f(0, 0);
  32         gl_vertex2f(-1, 1);
  33         gl_end();
  34         swap_buffers();
  35
  36         if(dsys_init("data/demoscript") == -1) {
  37                 return -1;
  38         }
  39
  40         return 0;
  41 }
  42
  43 void demo_cleanup(void)
  44 {
  45         dsys_destroy();
  46 }
  47
  48 void demo_display(void)
  49 {
  50         struct demoscreen *scr;
  51
  52         glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  53
  54         scr = dsys_act_scr;
  55         while(scr) {
  56                 if(scr->update) {
  57                         scr->update(dsys_time);
  58                 }
  59                 scr->draw();
  60                 scr = scr->next;
  61         }
  62 }
  63
  64 void demo_reshape(int x, int y)
  65 {
  66         int i;
  67
  68         glViewport(0, 0, x, y);
  69
  70         for(i=0; i<dsys_num_screens; i++) {
  71                 if(dsys_screens[i]->reshape) {
  72                         dsys_screens[i]->reshape(x, y);
  73                 }
  74         }
  75 }
  76
  77 void demo_keyboard(int key, int pressed)
  78 {
  79         if(!pressed) return;
  80
  81         switch(key) {
  82         case ' ':
  83                 if(dsys_running) {
  84                         dsys_stop();
  85                 } else {
  86                         dsys_run();
  87                 }
  88                 break;
  89
  90         case '\b':
  91                 dsys_seek_abs(0);
  92                 break;
  93
  94         default:
  95                 if(key >= '0' && key <= '9') {
  96                         dsys_seek_rel((float)(key - '0') / 9.0f);
  97
  98                 } else if(key >= KEY_F1 && key <= KEY_F12) {
  99                         int idx = key - KEY_F1;
 100                         if(idx < dsys_num_screens) {
 101                                 dsys_run_screen(dsys_screens[idx]);
 102                         }
 103
 104                 } else {
 105                         struct demoscreen *scr = dsys_act_scr;
 106                         while(scr) {
 107                                 if(scr->keyboard) {
 108                                         scr->keyboard(key, pressed);
 109                                 }
 110                                 scr = scr->next;
 111                         }
 112                 }
 113         }
 114 }
 115
 116 void demo_mouse(int bn, int pressed, int x, int y)
 117 {
 118         struct demoscreen *scr = dsys_act_scr;
 119         while(scr) {
 120                 if(scr->mouse) {
 121                         scr->mouse(bn, pressed, x, y);
 122                 }
 123                 scr = scr->next;
 124         }
 125 }
 126
 127 void demo_motion(int x, int y)
 128 {
 129         struct demoscreen *scr = dsys_act_scr;
 130         while(scr) {
 131                 if(scr->motion) {
 132                         scr->motion(x, y);
 133                 }
 134                 scr = scr->next;
 135         }
 136 }