18 uint16_t *fb_pixels, *vmem_back, *vmem_front;
19 unsigned long time_msec;
21 unsigned int mouse_bmask;
23 float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
25 static unsigned long nframes;
27 int demo_init(int argc, char **argv)
32 if(load_config("demo.cfg") == -1) {
35 if((env = getenv("START_SCR"))) {
38 if(parse_args(argc, argv) == -1) {
44 if(g3d_init() == -1) {
47 g3d_framebuffer(fb_width, fb_height, fb_pixels);
50 if(music_open("data/test.mod") == -1) {
55 if(scr_init() == -1) {
59 scr = scr_lookup(opt.start_scr);
64 if(!scr || scr_change(scr, 4000) == -1) {
65 fprintf(stderr, "screen %s not found\n", opt.start_scr ? opt.start_scr : "0");
69 /* clear the framebuffer at least once */
70 memset(fb_pixels, 0, fb_width * fb_height * fb_bpp / CHAR_BIT);
78 void demo_cleanup(void)
87 float fps = (float)nframes / ((float)time_msec / 1000.0f);
88 printf("average framerate: %.1f\n", fps);
103 static void change_screen(int idx)
105 printf("change screen %d\n", idx);
106 scr_change(scr_screen(idx), 4000);
110 #define CBUF_MASK (CBUF_SIZE - 1)
111 void demo_keyboard(int key, int press)
113 static char cbuf[CBUF_SIZE];
115 char inp[CBUF_SIZE + 1], *dptr;
129 rd = (rd + 1) & CBUF_MASK;
133 printf("trying to match: %s\n", inp);
134 nscr = scr_num_screens();
135 for(i=0; i<nscr; i++) {
136 if(strstr(scr_screen(i)->name, inp)) {
145 if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
146 change_screen(key - '1');
147 } else if(key == '0' && scr_num_screens() >= 10) {
151 if(key < 256 && isprint(key)) {
153 wr = (wr + 1) & CBUF_MASK;
154 if(wr == rd) { /* overflow */
155 rd = (rd + 1) & CBUF_MASK;
164 void mouse_orbit_update(float *theta, float *phi, float *dist)
166 static int prev_mx, prev_my;
167 static unsigned int prev_bmask;
170 if((mouse_bmask ^ prev_bmask) == 0) {
171 int dx = mouse_x - prev_mx;
172 int dy = mouse_y - prev_my;
175 if(mouse_bmask & 1) {
184 if(mouse_bmask & 4) {
187 if(*dist < 0) *dist = 0;
194 prev_bmask = mouse_bmask;