19 uint16_t *fb_pixels, *vmem_back, *vmem_front;
20 unsigned long time_msec;
22 unsigned int mouse_bmask;
24 float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
26 static unsigned long nframes;
27 static int console_active;
29 int demo_init(int argc, char **argv)
34 if(load_config("demo.cfg") == -1) {
37 if((env = getenv("START_SCR"))) {
40 if(parse_args(argc, argv) == -1) {
46 if(g3d_init() == -1) {
49 g3d_framebuffer(fb_width, fb_height, fb_pixels);
52 if(music_open("data/test.mod") == -1) {
57 if(scr_init() == -1) {
61 scr = scr_lookup(opt.start_scr);
66 if(!scr || scr_change(scr, 4000) == -1) {
67 fprintf(stderr, "screen %s not found\n", opt.start_scr ? opt.start_scr : "0");
71 /* clear the framebuffer at least once */
72 memset(fb_pixels, 0, fb_width * fb_height * fb_bpp / CHAR_BIT);
80 void demo_cleanup(void)
89 float fps = (float)nframes / ((float)time_msec / 1000.0f);
90 printf("average framerate: %.1f\n", fps);
105 static void change_screen(int idx)
107 printf("change screen %d\n", idx);
108 scr_change(scr_screen(idx), 4000);
112 #define CBUF_MASK (CBUF_SIZE - 1)
113 void demo_keyboard(int key, int press)
115 static char cbuf[CBUF_SIZE];
117 char inp[CBUF_SIZE + 1], *dptr;
131 console_active = !console_active;
145 wr = (wr + CBUF_SIZE - 1) & CBUF_MASK;
157 rd = (rd + 1) & CBUF_MASK;
161 printf("\ntrying to match: %s\n", inp);
162 nscr = scr_num_screens();
163 for(i=0; i<nscr; i++) {
164 if(strstr(scr_screen(i)->name, inp)) {
176 if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
177 change_screen(key - '1');
178 } else if(key == '0' && scr_num_screens() >= 10) {
183 if(key < 256 && isprint(key)) {
188 wr = (wr + 1) & CBUF_MASK;
189 if(wr == rd) { /* overflow */
190 rd = (rd + 1) & CBUF_MASK;
203 void mouse_orbit_update(float *theta, float *phi, float *dist)
205 static int prev_mx, prev_my;
206 static unsigned int prev_bmask;
209 if((mouse_bmask ^ prev_bmask) == 0) {
210 int dx = mouse_x - prev_mx;
211 int dy = mouse_y - prev_my;
214 if(mouse_bmask & 1) {
223 if(mouse_bmask & 4) {
226 if(*dist < 0) *dist = 0;
233 prev_bmask = mouse_bmask;