rev |
line source |
nuclear@0
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1 #include <stdio.h>
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nuclear@0
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2 #include <stdlib.h>
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nuclear@4
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3 #include <float.h>
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nuclear@0
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4 #include <assert.h>
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nuclear@0
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5 #include <errno.h>
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nuclear@0
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6 #include <unistd.h>
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nuclear@0
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7 #include <sys/select.h>
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nuclear@0
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8 #include <GL/glew.h>
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nuclear@0
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9 #include <X11/Xlib.h>
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nuclear@0
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10 #include <GL/glx.h>
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nuclear@1
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11 #include "dev.h"
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nuclear@4
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12 #include "scene.h"
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nuclear@7
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13 #include "timer.h"
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nuclear@7
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14 #include "fblur.h"
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nuclear@7
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15
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nuclear@7
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16
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nuclear@7
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17 enum {
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nuclear@7
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18 REGULAR_PASS,
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nuclear@7
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19 GLOW_PASS
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nuclear@7
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20 };
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nuclear@0
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21
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nuclear@0
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22 static bool init();
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nuclear@0
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23 static void cleanup();
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nuclear@0
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24 static void display();
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nuclear@7
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25 static void draw_scene(int pass = REGULAR_PASS);
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nuclear@7
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26 static void post_glow(void);
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nuclear@0
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27 static void keyb(int key, bool pressed);
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nuclear@0
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28 static void mouse(int bn, bool pressed, int x, int y);
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nuclear@0
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29 static void motion(int x, int y);
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nuclear@4
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30 static Ray calc_pick_ray(int x, int y);
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nuclear@7
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31 static int next_pow2(int x);
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nuclear@0
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32
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nuclear@0
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33 static Window create_window(const char *title, int xsz, int ysz);
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nuclear@0
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34 static void process_events();
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nuclear@0
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35 static int translate_keysym(KeySym sym);
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nuclear@0
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36
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nuclear@2
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37 static int proc_args(int argc, char **argv);
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nuclear@2
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38
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nuclear@0
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39 static Display *dpy;
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nuclear@0
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40 static Window win;
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nuclear@0
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41 static GLXContext ctx;
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nuclear@0
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42 static Atom xa_wm_prot, xa_wm_del_win;
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nuclear@0
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43
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nuclear@0
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44 static int win_width, win_height;
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nuclear@0
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45
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nuclear@4
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46 static bool draw_pending;
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nuclear@0
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47 static bool win_mapped;
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nuclear@0
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48
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nuclear@2
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49 static int fakefd = -1;
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nuclear@2
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50 static char *fake_devpath;
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nuclear@2
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51
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nuclear@4
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52 static float cam_theta, cam_phi, cam_dist = 140;
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nuclear@4
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53 static Scene *scn;
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nuclear@4
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54
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nuclear@4
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55 enum { BN_TICKET, BN_NEXT, NUM_BUTTONS };
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nuclear@6
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56 static const char *button_names[] = { "button1", "button2" };
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nuclear@4
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57 static Object *button_obj[NUM_BUTTONS];
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nuclear@6
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58 static Object *disp_obj[2];
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nuclear@6
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59 static Object *led_obj[2];
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nuclear@6
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60 static Vector3 led_on_emissive;
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nuclear@4
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61
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nuclear@7
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62 static bool opt_use_glow = true;
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nuclear@7
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63 #define GLOW_SZ_DIV 3
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nuclear@7
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64 static unsigned int glow_tex;
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nuclear@7
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65 static int glow_tex_xsz, glow_tex_ysz, glow_xsz, glow_ysz;
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nuclear@7
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66 static int glow_iter = 1;
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nuclear@7
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67 static int blur_size = 5;
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nuclear@7
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68 unsigned char *glow_framebuf;
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nuclear@7
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69
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nuclear@7
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70
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nuclear@2
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71 int main(int argc, char **argv)
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nuclear@0
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72 {
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nuclear@2
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73 if(proc_args(argc, argv) == -1) {
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nuclear@2
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74 return 1;
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nuclear@2
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75 }
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nuclear@0
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76 if(!init()) {
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nuclear@0
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77 return 1;
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nuclear@0
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78 }
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nuclear@0
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79 atexit(cleanup);
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nuclear@0
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80
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nuclear@0
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81 int xfd = ConnectionNumber(dpy);
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nuclear@0
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82
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nuclear@4
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83 // run once through pending events before going into the select loop
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nuclear@4
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84 process_events();
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nuclear@4
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85
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nuclear@0
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86 for(;;) {
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nuclear@0
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87 fd_set rd;
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nuclear@0
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88 FD_ZERO(&rd);
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nuclear@0
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89
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nuclear@0
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90 FD_SET(xfd, &rd);
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nuclear@2
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91 FD_SET(fakefd, &rd);
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nuclear@0
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92
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nuclear@4
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93 struct timeval noblock = {0, 0};
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nuclear@2
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94 int maxfd = xfd > fakefd ? xfd : fakefd;
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nuclear@9
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95 while(!XPending(dpy) && select(maxfd + 1, &rd, 0, 0, draw_pending ? &noblock : 0) == -1 && errno == EINTR);
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nuclear@0
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96
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nuclear@9
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97 if(XPending(dpy) || FD_ISSET(xfd, &rd)) {
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nuclear@0
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98 process_events();
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nuclear@0
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99 }
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nuclear@2
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100 if(FD_ISSET(fakefd, &rd)) {
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nuclear@2
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101 proc_dev_input();
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nuclear@2
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102 }
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nuclear@0
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103
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nuclear@4
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104 if(draw_pending) {
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nuclear@7
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105 draw_pending = false;
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nuclear@0
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106 display();
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nuclear@0
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107 }
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nuclear@0
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108 }
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nuclear@0
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109 return 0;
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nuclear@0
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110 }
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nuclear@0
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111
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nuclear@0
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112 static bool init()
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nuclear@0
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113 {
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nuclear@2
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114 if(fake_devpath) {
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nuclear@2
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115 if((fakefd = start_dev(fake_devpath)) == -1) {
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nuclear@2
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116 return false;
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nuclear@2
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117 }
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nuclear@2
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118 }
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nuclear@1
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119
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nuclear@0
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120 if(!(dpy = XOpenDisplay(0))) {
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nuclear@0
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121 fprintf(stderr, "failed to connect to the X server!\n");
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nuclear@0
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122 return false;
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nuclear@0
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123 }
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nuclear@0
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124
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nuclear@7
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125 if(!(win = create_window("equeue device emulator", 512, 512))) {
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nuclear@0
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126 return false;
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nuclear@0
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127 }
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nuclear@0
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128
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nuclear@4
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129 glewInit();
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nuclear@4
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130
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nuclear@4
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131 scn = new Scene;
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nuclear@4
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132 if(!scn->load("data/device.obj")) {
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nuclear@4
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133 fprintf(stderr, "failed to load device 3D model\n");
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nuclear@4
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134 return false;
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nuclear@4
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135 }
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nuclear@4
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136
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nuclear@4
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137 for(int i=0; i<NUM_BUTTONS; i++) {
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nuclear@4
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138 button_obj[i] = scn->get_object(button_names[i]);
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nuclear@4
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139 if(!button_obj[i]) {
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nuclear@4
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140 fprintf(stderr, "invalid 3D model\n");
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nuclear@4
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141 return false;
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nuclear@4
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142 }
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nuclear@4
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143 BSphere &bs = button_obj[i]->get_mesh()->get_bounds();
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nuclear@4
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144 bs.set_radius(bs.get_radius() * 1.5);
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nuclear@4
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145 }
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nuclear@4
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146
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nuclear@6
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147 disp_obj[0] = scn->get_object("7seg0");
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nuclear@6
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148 disp_obj[1] = scn->get_object("7seg1");
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nuclear@6
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149 if(!disp_obj[0] || !disp_obj[1]) {
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nuclear@6
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150 fprintf(stderr, "invalid 3D model\n");
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nuclear@6
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151 return false;
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nuclear@6
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152 }
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nuclear@6
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153 scn->remove_object(disp_obj[0]);
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nuclear@6
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154 scn->remove_object(disp_obj[1]);
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nuclear@6
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155
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nuclear@6
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156 led_obj[0] = scn->get_object("led1");
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nuclear@6
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157 led_obj[1] = scn->get_object("led2");
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nuclear@6
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158 if(!led_obj[0] || !led_obj[1]) {
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nuclear@6
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159 fprintf(stderr, "invalid 3D model\n");
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nuclear@6
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160 return false;
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nuclear@6
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161 }
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nuclear@6
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162 scn->remove_object(led_obj[0]);
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nuclear@6
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163 scn->remove_object(led_obj[1]);
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nuclear@6
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164 led_on_emissive = led_obj[0]->mtl.emissive;
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nuclear@6
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165
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nuclear@7
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166 // create the glow texture
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nuclear@7
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167 glGenTextures(1, &glow_tex);
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nuclear@7
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168 glBindTexture(GL_TEXTURE_2D, glow_tex);
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nuclear@7
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169 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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nuclear@7
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170 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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nuclear@7
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171 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
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nuclear@7
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172
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nuclear@4
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173 glEnable(GL_DEPTH_TEST);
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nuclear@4
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174 glEnable(GL_CULL_FACE);
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nuclear@4
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175 glEnable(GL_LIGHTING);
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nuclear@4
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176 glEnable(GL_LIGHT0);
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nuclear@4
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177
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nuclear@4
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178 glClearColor(0.1, 0.1, 0.1, 1);
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nuclear@4
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179
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nuclear@0
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180 return true;
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nuclear@0
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181 }
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nuclear@0
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182
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nuclear@0
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183 static void cleanup()
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nuclear@0
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184 {
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nuclear@4
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185 delete scn;
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nuclear@4
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186
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nuclear@1
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187 stop_dev();
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nuclear@1
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188
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nuclear@0
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189 if(!dpy) return;
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nuclear@0
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190
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nuclear@0
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191 if(win) {
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nuclear@0
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192 XDestroyWindow(dpy, win);
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nuclear@0
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193 }
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nuclear@0
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194 XCloseDisplay(dpy);
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nuclear@0
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195 }
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nuclear@0
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196
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nuclear@6
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197 #define DIGIT_USZ (1.0 / 11.0)
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nuclear@7
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198 #define MIN_REDRAW_INTERVAL (1000 / 40) /* 40fps */
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nuclear@6
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199
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nuclear@0
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200 static void display()
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nuclear@0
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201 {
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nuclear@0
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202 glMatrixMode(GL_MODELVIEW);
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nuclear@0
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203 glLoadIdentity();
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nuclear@4
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204 glTranslatef(0, 0, -cam_dist);
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nuclear@4
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205 glRotatef(cam_phi, 1, 0, 0);
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nuclear@4
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206 glRotatef(cam_theta, 0, 1, 0);
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nuclear@4
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207
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nuclear@4
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208 float lpos[] = {-7, 5, 10, 0};
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nuclear@4
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209 glLightfv(GL_LIGHT0, GL_POSITION, lpos);
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nuclear@4
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210
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nuclear@7
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211 if(opt_use_glow) {
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nuclear@7
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212 glViewport(0, 0, glow_xsz, glow_ysz);
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nuclear@7
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213
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nuclear@7
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214 glClearColor(0, 0, 0, 1);
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nuclear@7
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215 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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nuclear@7
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216
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nuclear@7
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217 draw_scene(GLOW_PASS);
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nuclear@7
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218
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nuclear@7
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219 glReadPixels(0, 0, glow_xsz, glow_ysz, GL_RGBA, GL_UNSIGNED_BYTE, glow_framebuf);
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nuclear@7
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220 glViewport(0, 0, win_width, win_height);
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nuclear@7
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221 }
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nuclear@7
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222
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nuclear@7
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223 glClearColor(0.05, 0.05, 0.05, 1);
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nuclear@7
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224 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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nuclear@7
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225
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nuclear@7
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226 draw_scene();
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nuclear@7
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227
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nuclear@7
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228 if(opt_use_glow) {
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nuclear@7
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229 for(int i=0; i<glow_iter; i++) {
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nuclear@7
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230 fast_blur(BLUR_BOTH, blur_size, (uint32_t*)glow_framebuf, glow_xsz, glow_ysz);
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nuclear@7
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231 glBindTexture(GL_TEXTURE_2D, glow_tex);
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nuclear@7
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232 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, glow_xsz, glow_ysz, GL_RGBA, GL_UNSIGNED_BYTE, glow_framebuf);
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nuclear@7
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233
|
nuclear@7
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234 post_glow();
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nuclear@7
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235 }
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nuclear@7
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236 }
|
nuclear@7
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237
|
nuclear@9
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238 if(get_led_state(0)) {
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nuclear@7
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239 // continuously redraw until the left LED times out
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nuclear@7
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240 draw_pending = true;
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nuclear@9
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241 }
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nuclear@7
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242
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nuclear@7
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243 glXSwapBuffers(dpy, win);
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nuclear@7
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244 assert(glGetError() == GL_NO_ERROR);
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nuclear@7
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245
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nuclear@9
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246 static long prev_msec;
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nuclear@7
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247 long msec = get_msec();
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nuclear@7
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248 long dt = msec - prev_msec;
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nuclear@7
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249
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nuclear@7
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250 if(dt < MIN_REDRAW_INTERVAL) {
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nuclear@7
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251 wait_for(MIN_REDRAW_INTERVAL - dt);
|
nuclear@7
|
252 }
|
nuclear@9
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253 prev_msec = get_msec();
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nuclear@7
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254 }
|
nuclear@7
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255
|
nuclear@7
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256 static void draw_scene(int pass)
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nuclear@7
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257 {
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nuclear@7
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258 if(pass != GLOW_PASS) {
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nuclear@7
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259 scn->render();
|
nuclear@7
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260 }
|
nuclear@0
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261
|
nuclear@6
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262 // shift the textures and modify the materials to make the display match our state
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nuclear@6
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263 for(int i=0; i<2; i++) {
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nuclear@7
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264 // 7seg
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nuclear@6
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265 int digit = get_display_number();
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nuclear@6
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266 for(int j=0; j<i; j++) {
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nuclear@6
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267 digit /= 10;
|
nuclear@6
|
268 }
|
nuclear@6
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269 digit %= 10;
|
nuclear@6
|
270
|
nuclear@6
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271 float uoffs = DIGIT_USZ + DIGIT_USZ * digit;
|
nuclear@6
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272
|
nuclear@6
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273 disp_obj[i]->mtl.tex_offset[TEX_DIFFUSE] = Vector2(uoffs, 0);
|
nuclear@6
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274 disp_obj[i]->render();
|
nuclear@6
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275
|
nuclear@6
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276 // LEDs
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nuclear@6
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277 if(get_led_state(i)) {
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nuclear@6
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278 led_obj[i]->mtl.emissive = led_on_emissive;
|
nuclear@6
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279 } else {
|
nuclear@6
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280 led_obj[i]->mtl.emissive = Vector3(0, 0, 0);
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nuclear@6
|
281 }
|
nuclear@6
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282 led_obj[i]->render();
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nuclear@6
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283 }
|
nuclear@7
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284 }
|
nuclear@6
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285
|
nuclear@7
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286 static void post_glow(void)
|
nuclear@7
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287 {
|
nuclear@7
|
288 float max_s = (float)glow_xsz / (float)glow_tex_xsz;
|
nuclear@7
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289 float max_t = (float)glow_ysz / (float)glow_tex_ysz;
|
nuclear@7
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290
|
nuclear@7
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291 glPushAttrib(GL_ENABLE_BIT);
|
nuclear@7
|
292
|
nuclear@7
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293 glBlendFunc(GL_ONE, GL_ONE);
|
nuclear@7
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294 glEnable(GL_BLEND);
|
nuclear@7
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295 glDisable(GL_CULL_FACE);
|
nuclear@7
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296 glDisable(GL_LIGHTING);
|
nuclear@7
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297 glDisable(GL_DEPTH_TEST);
|
nuclear@7
|
298
|
nuclear@7
|
299 glMatrixMode(GL_MODELVIEW);
|
nuclear@7
|
300 glPushMatrix();
|
nuclear@7
|
301 glLoadIdentity();
|
nuclear@7
|
302 glMatrixMode(GL_PROJECTION);
|
nuclear@7
|
303 glPushMatrix();
|
nuclear@7
|
304 glLoadIdentity();
|
nuclear@7
|
305
|
nuclear@7
|
306 glEnable(GL_TEXTURE_2D);
|
nuclear@7
|
307 glBindTexture(GL_TEXTURE_2D, glow_tex);
|
nuclear@7
|
308
|
nuclear@7
|
309 glBegin(GL_QUADS);
|
nuclear@7
|
310 glColor4f(1, 1, 1, 1);
|
nuclear@7
|
311 glTexCoord2f(0, 0);
|
nuclear@7
|
312 glVertex2f(-1, -1);
|
nuclear@7
|
313 glTexCoord2f(max_s, 0);
|
nuclear@7
|
314 glVertex2f(1, -1);
|
nuclear@7
|
315 glTexCoord2f(max_s, max_t);
|
nuclear@7
|
316 glVertex2f(1, 1);
|
nuclear@7
|
317 glTexCoord2f(0, max_t);
|
nuclear@7
|
318 glVertex2f(-1, 1);
|
nuclear@7
|
319 glEnd();
|
nuclear@7
|
320
|
nuclear@7
|
321 glPopMatrix();
|
nuclear@7
|
322 glMatrixMode(GL_MODELVIEW);
|
nuclear@7
|
323 glPopMatrix();
|
nuclear@7
|
324
|
nuclear@7
|
325 glPopAttrib();
|
nuclear@0
|
326 }
|
nuclear@0
|
327
|
nuclear@7
|
328
|
nuclear@0
|
329 static void reshape(int x, int y)
|
nuclear@0
|
330 {
|
nuclear@0
|
331 glViewport(0, 0, x, y);
|
nuclear@0
|
332
|
nuclear@0
|
333 glMatrixMode(GL_PROJECTION);
|
nuclear@0
|
334 glLoadIdentity();
|
nuclear@4
|
335 gluPerspective(50.0, (float)x / (float)y, 1.0, 1000.0);
|
nuclear@4
|
336
|
nuclear@4
|
337 win_width = x;
|
nuclear@4
|
338 win_height = y;
|
nuclear@7
|
339
|
nuclear@7
|
340 if(opt_use_glow) {
|
nuclear@7
|
341 glow_xsz = x / GLOW_SZ_DIV;
|
nuclear@7
|
342 glow_ysz = y / GLOW_SZ_DIV;
|
nuclear@7
|
343 printf("glow image size: %dx%d\n", glow_xsz, glow_ysz);
|
nuclear@7
|
344
|
nuclear@7
|
345 delete [] glow_framebuf;
|
nuclear@7
|
346 glow_framebuf = new unsigned char[glow_xsz * glow_ysz * 4];
|
nuclear@7
|
347
|
nuclear@7
|
348 glow_tex_xsz = next_pow2(glow_xsz);
|
nuclear@7
|
349 glow_tex_ysz = next_pow2(glow_ysz);
|
nuclear@7
|
350 glBindTexture(GL_TEXTURE_2D, glow_tex);
|
nuclear@7
|
351 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, glow_tex_xsz, glow_tex_ysz, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
|
nuclear@7
|
352 }
|
nuclear@0
|
353 }
|
nuclear@0
|
354
|
nuclear@0
|
355 static void keyb(int key, bool pressed)
|
nuclear@0
|
356 {
|
nuclear@0
|
357 if(pressed) {
|
nuclear@0
|
358 switch(key) {
|
nuclear@0
|
359 case 27:
|
nuclear@0
|
360 exit(0);
|
nuclear@0
|
361 }
|
nuclear@0
|
362 }
|
nuclear@0
|
363 }
|
nuclear@0
|
364
|
nuclear@4
|
365 static bool bnstate[32];
|
nuclear@4
|
366 static int prev_x, prev_y;
|
nuclear@4
|
367
|
nuclear@0
|
368 static void mouse(int bn, bool pressed, int x, int y)
|
nuclear@0
|
369 {
|
nuclear@4
|
370 bnstate[bn] = pressed;
|
nuclear@4
|
371 prev_x = x;
|
nuclear@4
|
372 prev_y = y;
|
nuclear@4
|
373
|
nuclear@4
|
374 if(bn == 0 && pressed) {
|
nuclear@4
|
375 // do picking
|
nuclear@4
|
376 Ray ray = calc_pick_ray(x, win_height - y);
|
nuclear@4
|
377
|
nuclear@4
|
378 HitPoint minhit;
|
nuclear@4
|
379 minhit.t = FLT_MAX;
|
nuclear@4
|
380 int hit_found = -1;
|
nuclear@4
|
381
|
nuclear@4
|
382 for(int i=0; i<NUM_BUTTONS; i++) {
|
nuclear@4
|
383 HitPoint hit;
|
nuclear@4
|
384 if(button_obj[i]->get_mesh()->get_bounds().intersect(ray, &hit) && hit.t < minhit.t) {
|
nuclear@4
|
385 minhit = hit;
|
nuclear@4
|
386 hit_found = i;
|
nuclear@4
|
387 }
|
nuclear@4
|
388 }
|
nuclear@4
|
389
|
nuclear@4
|
390 if(hit_found != -1) {
|
nuclear@4
|
391 switch(hit_found) {
|
nuclear@4
|
392 case BN_TICKET:
|
nuclear@4
|
393 issue_ticket();
|
nuclear@4
|
394 printf("issue ticket\n");
|
nuclear@4
|
395 break;
|
nuclear@4
|
396
|
nuclear@4
|
397 case BN_NEXT:
|
nuclear@4
|
398 next_customer();
|
nuclear@4
|
399 printf("next customer\n");
|
nuclear@4
|
400 break;
|
nuclear@4
|
401 }
|
nuclear@4
|
402 draw_pending = true;
|
nuclear@4
|
403 }
|
nuclear@4
|
404 }
|
nuclear@0
|
405 }
|
nuclear@0
|
406
|
nuclear@0
|
407 static void motion(int x, int y)
|
nuclear@0
|
408 {
|
nuclear@4
|
409 int dx = x - prev_x;
|
nuclear@4
|
410 int dy = y - prev_y;
|
nuclear@4
|
411 prev_x = x;
|
nuclear@4
|
412 prev_y = y;
|
nuclear@4
|
413
|
nuclear@4
|
414 if(bnstate[0]) {
|
nuclear@4
|
415 cam_theta += dx * 0.5;
|
nuclear@4
|
416 cam_phi += dy * 0.5;
|
nuclear@4
|
417 if(cam_phi < -90) cam_phi = -90;
|
nuclear@4
|
418 if(cam_phi > 90) cam_phi = 90;
|
nuclear@6
|
419
|
nuclear@6
|
420 } else if(bnstate[2]) {
|
nuclear@4
|
421 cam_dist += dy * 0.5;
|
nuclear@4
|
422 if(cam_dist < 0.0) cam_dist = 0.0;
|
nuclear@6
|
423
|
nuclear@6
|
424 } else {
|
nuclear@6
|
425 float xoffs = 2.0 * x / win_width - 1.0;
|
nuclear@6
|
426 float yoffs = 2.0 * y / win_height - 1.0;
|
nuclear@6
|
427 cam_theta = -xoffs * 15.0 * (win_width / win_height);
|
nuclear@6
|
428 cam_phi = -yoffs * 15.0;
|
nuclear@4
|
429 }
|
nuclear@6
|
430 draw_pending = true;
|
nuclear@4
|
431 }
|
nuclear@4
|
432
|
nuclear@4
|
433 static Ray calc_pick_ray(int x, int y)
|
nuclear@4
|
434 {
|
nuclear@4
|
435 double mv[16], proj[16];
|
nuclear@4
|
436 int vp[4];
|
nuclear@4
|
437 double resx, resy, resz;
|
nuclear@4
|
438 Ray ray;
|
nuclear@4
|
439
|
nuclear@4
|
440 glGetDoublev(GL_MODELVIEW_MATRIX, mv);
|
nuclear@4
|
441 glGetDoublev(GL_PROJECTION_MATRIX, proj);
|
nuclear@4
|
442 glGetIntegerv(GL_VIEWPORT, vp);
|
nuclear@4
|
443
|
nuclear@4
|
444 gluUnProject(x, y, 0, mv, proj, vp, &resx, &resy, &resz);
|
nuclear@4
|
445 ray.origin = Vector3(resx, resy, resz);
|
nuclear@4
|
446
|
nuclear@4
|
447 gluUnProject(x, y, 1, mv, proj, vp, &resx, &resy, &resz);
|
nuclear@4
|
448 ray.dir = normalize(Vector3(resx, resy, resz) - ray.origin);
|
nuclear@4
|
449
|
nuclear@4
|
450 return ray;
|
nuclear@0
|
451 }
|
nuclear@0
|
452
|
nuclear@7
|
453 static int next_pow2(int x)
|
nuclear@7
|
454 {
|
nuclear@7
|
455 x--;
|
nuclear@7
|
456 x = (x >> 1) | x;
|
nuclear@7
|
457 x = (x >> 2) | x;
|
nuclear@7
|
458 x = (x >> 4) | x;
|
nuclear@7
|
459 x = (x >> 8) | x;
|
nuclear@7
|
460 x = (x >> 16) | x;
|
nuclear@7
|
461 return x + 1;
|
nuclear@7
|
462 }
|
nuclear@7
|
463
|
nuclear@0
|
464 static Window create_window(const char *title, int xsz, int ysz)
|
nuclear@0
|
465 {
|
nuclear@0
|
466 int scr = DefaultScreen(dpy);
|
nuclear@0
|
467 Window root = RootWindow(dpy, scr);
|
nuclear@0
|
468
|
nuclear@0
|
469 int glxattr[] = {
|
nuclear@0
|
470 GLX_RGBA,
|
nuclear@0
|
471 GLX_RED_SIZE, 8,
|
nuclear@0
|
472 GLX_GREEN_SIZE, 8,
|
nuclear@0
|
473 GLX_BLUE_SIZE, 8,
|
nuclear@0
|
474 GLX_DEPTH_SIZE, 24,
|
nuclear@0
|
475 GLX_DOUBLEBUFFER,
|
nuclear@0
|
476 #if defined(GLX_VERSION_1_4) || defined(GLX_ARB_multisample)
|
nuclear@0
|
477 GLX_SAMPLE_BUFFERS_ARB, 1,
|
nuclear@0
|
478 GLX_SAMPLES_ARB, 1,
|
nuclear@0
|
479 #endif
|
nuclear@0
|
480 None
|
nuclear@0
|
481 };
|
nuclear@0
|
482
|
nuclear@0
|
483 XVisualInfo *vis = glXChooseVisual(dpy, scr, glxattr);
|
nuclear@0
|
484 if(!vis) {
|
nuclear@0
|
485 fprintf(stderr, "failed to find a suitable visual\n");
|
nuclear@0
|
486 return 0;
|
nuclear@0
|
487 }
|
nuclear@0
|
488
|
nuclear@0
|
489 if(!(ctx = glXCreateContext(dpy, vis, 0, True))) {
|
nuclear@0
|
490 fprintf(stderr, "failed to create OpenGL context\n");
|
nuclear@0
|
491 XFree(vis);
|
nuclear@0
|
492 return -1;
|
nuclear@0
|
493 }
|
nuclear@0
|
494
|
nuclear@0
|
495 XSetWindowAttributes xattr;
|
nuclear@0
|
496 xattr.background_pixel = xattr.border_pixel = BlackPixel(dpy, scr);
|
nuclear@0
|
497 xattr.colormap = XCreateColormap(dpy, root, vis->visual, AllocNone);
|
nuclear@0
|
498 unsigned int xattr_mask = CWColormap | CWBackPixel | CWBorderPixel;
|
nuclear@0
|
499
|
nuclear@0
|
500 Window win = XCreateWindow(dpy, root, 0, 0, xsz, ysz, 0, vis->depth, InputOutput,
|
nuclear@0
|
501 vis->visual, xattr_mask, &xattr);
|
nuclear@0
|
502 if(!win) {
|
nuclear@0
|
503 fprintf(stderr, "failed to create window\n");
|
nuclear@0
|
504 glXDestroyContext(dpy, ctx);
|
nuclear@0
|
505 XFree(vis);
|
nuclear@0
|
506 return -1;
|
nuclear@0
|
507 }
|
nuclear@0
|
508 XFree(vis);
|
nuclear@0
|
509
|
nuclear@0
|
510 unsigned int evmask = StructureNotifyMask | VisibilityChangeMask | ExposureMask |
|
nuclear@0
|
511 KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask |
|
nuclear@6
|
512 PointerMotionMask;
|
nuclear@0
|
513 XSelectInput(dpy, win, evmask);
|
nuclear@0
|
514
|
nuclear@0
|
515 xa_wm_prot = XInternAtom(dpy, "WM_PROTOCOLS", False);
|
nuclear@0
|
516 xa_wm_del_win = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
|
nuclear@0
|
517 XSetWMProtocols(dpy, win, &xa_wm_del_win, 1);
|
nuclear@0
|
518
|
nuclear@0
|
519 XClassHint hint;
|
nuclear@0
|
520 hint.res_name = hint.res_class = (char*)"equeue_win";
|
nuclear@0
|
521 XSetClassHint(dpy, win, &hint);
|
nuclear@0
|
522
|
nuclear@0
|
523 XTextProperty wm_name;
|
nuclear@0
|
524 XStringListToTextProperty((char**)&title, 1, &wm_name);
|
nuclear@0
|
525 XSetWMName(dpy, win, &wm_name);
|
nuclear@0
|
526 XSetWMIconName(dpy, win, &wm_name);
|
nuclear@0
|
527 XFree(wm_name.value);
|
nuclear@0
|
528
|
nuclear@0
|
529 XMapWindow(dpy, win);
|
nuclear@0
|
530 glXMakeCurrent(dpy, win, ctx);
|
nuclear@0
|
531
|
nuclear@0
|
532 return win;
|
nuclear@0
|
533 }
|
nuclear@0
|
534
|
nuclear@0
|
535 static void process_events()
|
nuclear@0
|
536 {
|
nuclear@0
|
537 XEvent ev;
|
nuclear@0
|
538
|
nuclear@0
|
539 while(XPending(dpy)) {
|
nuclear@0
|
540 XNextEvent(dpy, &ev);
|
nuclear@0
|
541 switch(ev.type) {
|
nuclear@0
|
542 case MapNotify:
|
nuclear@0
|
543 win_mapped = true;
|
nuclear@0
|
544 break;
|
nuclear@0
|
545
|
nuclear@0
|
546 case UnmapNotify:
|
nuclear@0
|
547 win_mapped = false;
|
nuclear@0
|
548 break;
|
nuclear@0
|
549
|
nuclear@0
|
550 case Expose:
|
nuclear@0
|
551 if(win_mapped && ev.xexpose.count == 0) {
|
nuclear@6
|
552 draw_pending = true;
|
nuclear@0
|
553 }
|
nuclear@0
|
554 break;
|
nuclear@0
|
555
|
nuclear@0
|
556 case MotionNotify:
|
nuclear@0
|
557 motion(ev.xmotion.x, ev.xmotion.y);
|
nuclear@0
|
558 break;
|
nuclear@0
|
559
|
nuclear@0
|
560 case ButtonPress:
|
nuclear@0
|
561 mouse(ev.xbutton.button - 1, true, ev.xbutton.x, ev.xbutton.y);
|
nuclear@0
|
562 break;
|
nuclear@0
|
563
|
nuclear@0
|
564 case ButtonRelease:
|
nuclear@0
|
565 mouse(ev.xbutton.button - 1, false, ev.xbutton.x, ev.xbutton.y);
|
nuclear@0
|
566 break;
|
nuclear@0
|
567
|
nuclear@0
|
568 case KeyPress:
|
nuclear@0
|
569 {
|
nuclear@0
|
570 KeySym sym = XLookupKeysym(&ev.xkey, 0);
|
nuclear@0
|
571 keyb(translate_keysym(sym), true);
|
nuclear@0
|
572 }
|
nuclear@0
|
573 break;
|
nuclear@0
|
574
|
nuclear@0
|
575 case KeyRelease:
|
nuclear@0
|
576 {
|
nuclear@0
|
577 KeySym sym = XLookupKeysym(&ev.xkey, 0);
|
nuclear@0
|
578 keyb(translate_keysym(sym), false);
|
nuclear@0
|
579 }
|
nuclear@0
|
580 break;
|
nuclear@0
|
581
|
nuclear@0
|
582 case ConfigureNotify:
|
nuclear@0
|
583 {
|
nuclear@0
|
584 int xsz = ev.xconfigure.width;
|
nuclear@0
|
585 int ysz = ev.xconfigure.height;
|
nuclear@0
|
586
|
nuclear@0
|
587 if(xsz != win_width || ysz != win_height) {
|
nuclear@0
|
588 win_width = xsz;
|
nuclear@0
|
589 win_height = ysz;
|
nuclear@0
|
590 reshape(xsz, ysz);
|
nuclear@0
|
591 }
|
nuclear@0
|
592 }
|
nuclear@0
|
593 break;
|
nuclear@0
|
594
|
nuclear@0
|
595 case ClientMessage:
|
nuclear@0
|
596 if(ev.xclient.message_type == xa_wm_prot) {
|
nuclear@0
|
597 if((Atom)ev.xclient.data.l[0] == xa_wm_del_win) {
|
nuclear@0
|
598 exit(0);
|
nuclear@0
|
599 }
|
nuclear@0
|
600 }
|
nuclear@0
|
601 break;
|
nuclear@0
|
602
|
nuclear@0
|
603 default:
|
nuclear@0
|
604 break;
|
nuclear@0
|
605 }
|
nuclear@0
|
606
|
nuclear@0
|
607 }
|
nuclear@0
|
608 }
|
nuclear@0
|
609
|
nuclear@0
|
610 static int translate_keysym(KeySym sym)
|
nuclear@0
|
611 {
|
nuclear@0
|
612 switch(sym) {
|
nuclear@0
|
613 case XK_BackSpace:
|
nuclear@0
|
614 return '\b';
|
nuclear@0
|
615 case XK_Tab:
|
nuclear@0
|
616 return '\t';
|
nuclear@0
|
617 case XK_Linefeed:
|
nuclear@0
|
618 return '\r';
|
nuclear@0
|
619 case XK_Return:
|
nuclear@0
|
620 return '\n';
|
nuclear@0
|
621 case XK_Escape:
|
nuclear@0
|
622 return 27;
|
nuclear@0
|
623 default:
|
nuclear@0
|
624 break;
|
nuclear@0
|
625 }
|
nuclear@0
|
626 return (int)sym;
|
nuclear@0
|
627 }
|
nuclear@2
|
628
|
nuclear@2
|
629 static int proc_args(int argc, char **argv)
|
nuclear@2
|
630 {
|
nuclear@2
|
631 for(int i=1; i<argc; i++) {
|
nuclear@2
|
632 if(argv[i][0] == '-') {
|
nuclear@2
|
633 fprintf(stderr, "unexpected option: %s\n", argv[i]);
|
nuclear@2
|
634 return -1;
|
nuclear@2
|
635
|
nuclear@2
|
636 } else {
|
nuclear@2
|
637 if(fake_devpath) {
|
nuclear@2
|
638 fprintf(stderr, "unexpected argument: %s\n", argv[i]);
|
nuclear@2
|
639 return -1;
|
nuclear@2
|
640 }
|
nuclear@2
|
641 fake_devpath = argv[i];
|
nuclear@2
|
642 }
|
nuclear@2
|
643 }
|
nuclear@2
|
644 if(!fake_devpath) {
|
nuclear@2
|
645 fprintf(stderr, "no device path specified, running standalone\n");
|
nuclear@2
|
646 }
|
nuclear@2
|
647 return 0;
|
nuclear@2
|
648 }
|