#include <stdlib.h>
#include <string.h>
#include <math.h>
+#include <ctype.h>
#include <errno.h>
+#include <limits.h>
#include "demo.h"
#include "screen.h"
+#include "3dgfx.h"
+#include "music.h"
+#include "cfgopt.h"
+#include "tinyfps.h"
+#include "util.h"
-int fb_width = 320;
-int fb_height = 240;
+#define FB_WIDTH 320
+#define FB_HEIGHT 240
+
+int fb_width = FB_WIDTH;
+int fb_height = FB_HEIGHT;
int fb_bpp = 16;
-void *fb_pixels;
+uint16_t *fb_pixels, *vmem;
unsigned long time_msec;
int mouse_x, mouse_y;
unsigned int mouse_bmask;
+float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
+
static unsigned long nframes;
-static const char *start_scr_name = "tunnel";
+static int console_active;
int demo_init(int argc, char **argv)
{
- if(argv[1]) {
- start_scr_name = argv[1];
+ struct screen *scr;
+ char *env;
+
+ if(load_config("demo.cfg") == -1) {
+ return -1;
+ }
+ if((env = getenv("START_SCR"))) {
+ opt.start_scr = env;
+ }
+ if(parse_args(argc, argv) == -1) {
+ return -1;
+ }
+
+ initFpsFonts();
+
+ if(g3d_init() == -1) {
+ return -1;
+ }
+ g3d_framebuffer(fb_width, fb_height, fb_pixels);
+
+ if(opt.music) {
+ if(music_open("data/test.mod") == -1) {
+ return -1;
+ }
}
if(scr_init() == -1) {
return -1;
}
- if(scr_change(scr_lookup(start_scr_name), 4000) == -1) {
- fprintf(stderr, "screen %s not found\n", start_scr_name);
+ if(opt.start_scr) {
+ scr = scr_lookup(opt.start_scr);
+ } else {
+ scr = scr_screen(0);
+ }
+
+ if(!scr || scr_change(scr, 4000) == -1) {
+ fprintf(stderr, "screen %s not found\n", opt.start_scr ? opt.start_scr : "0");
return -1;
}
+ /* clear the framebuffer at least once */
+ memset(fb_pixels, 0, fb_width * fb_height * fb_bpp / CHAR_BIT);
+
+ if(opt.music) {
+ music_play();
+ }
return 0;
}
void demo_cleanup(void)
{
+ if(opt.music) {
+ music_close();
+ }
scr_shutdown();
+ g3d_destroy();
if(time_msec) {
float fps = (float)nframes / ((float)time_msec / 1000.0f);
void demo_draw(void)
{
+ if(opt.music) {
+ music_update();
+ }
scr_update();
scr_draw();
+ draw_mouse_pointer(vmem);
+
++nframes;
}
-void demo_keyboard(int key, int state)
+
+
+#define DEST(x, y) dest[(y) * FB_WIDTH + (x)]
+void draw_mouse_pointer(uint16_t *fb)
{
- if(state) {
+ uint16_t *dest = fb + mouse_y * FB_WIDTH + mouse_x;
+ int ylines = FB_HEIGHT - mouse_y;
+
+ switch(ylines) {
+ default:
+ case 10:
+ DEST(0, 9) = 0xffff;
+ case 9:
+ DEST(0, 8) = 0xffff;
+ DEST(1, 8) = 0xffff;
+ case 8:
+ DEST(0, 7) = 0xffff;
+ DEST(2, 7) = 0xffff;
+ DEST(1, 7) = 0;
+ case 7:
+ DEST(6, 6) = 0xffff;
+ DEST(0, 6) = 0xffff;
+ DEST(3, 6) = 0xffff;
+ DEST(4, 6) = 0xffff;
+ DEST(5, 6) = 0xffff;
+ DEST(1, 6) = 0;
+ DEST(2, 6) = 0;
+ case 6:
+ DEST(5, 5) = 0xffff;
+ DEST(0, 5) = 0xffff;
+ DEST(1, 5) = 0;
+ DEST(2, 5) = 0;
+ DEST(3, 5) = 0;
+ DEST(4, 5) = 0;
+ case 5:
+ DEST(4, 4) = 0xffff;
+ DEST(0, 4) = 0xffff;
+ DEST(1, 4) = 0;
+ DEST(2, 4) = 0;
+ DEST(3, 4) = 0;
+ case 4:
+ DEST(3, 3) = 0xffff;
+ DEST(0, 3) = 0xffff;
+ DEST(1, 3) = 0;
+ DEST(2, 3) = 0;
+ case 3:
+ DEST(2, 2) = 0xffff;
+ DEST(0, 2) = 0xffff;
+ DEST(1, 2) = 0;
+ case 2:
+ DEST(1, 1) = 0xffff;
+ DEST(0, 1) = 0xffff;
+ case 1:
+ DEST(0, 0) = 0xffff;
+ }
+}
+
+static void change_screen(int idx)
+{
+ printf("change screen %d\n", idx);
+ scr_change(scr_screen(idx), 4000);
+}
+
+#define CBUF_SIZE 64
+#define CBUF_MASK (CBUF_SIZE - 1)
+void demo_keyboard(int key, int press)
+{
+ static char cbuf[CBUF_SIZE];
+ static int rd, wr;
+ char inp[CBUF_SIZE + 1], *dptr;
+ int i, nscr;
+
+ if(press) {
switch(key) {
case 27:
demo_quit();
+ return;
+
+ case 127:
+ debug_break();
+ return;
+
+ case '`':
+ console_active = !console_active;
+ if(console_active) {
+ printf("> ");
+ fflush(stdout);
+ } else {
+ putchar('\n');
+ }
+ return;
+
+ case '\b':
+ if(console_active) {
+ if(wr != rd) {
+ printf("\b \b");
+ fflush(stdout);
+ wr = (wr + CBUF_SIZE - 1) & CBUF_MASK;
+ }
+ return;
+ }
+ break;
+
+ case '\n':
+ case '\r':
+ if(console_active) {
+ dptr = inp;
+ while(rd != wr) {
+ *dptr++ = cbuf[rd];
+ rd = (rd + 1) & CBUF_MASK;
+ }
+ *dptr = 0;
+ if(inp[0]) {
+ printf("\ntrying to match: %s\n", inp);
+ nscr = scr_num_screens();
+ for(i=0; i<nscr; i++) {
+ if(strstr(scr_screen(i)->name, inp)) {
+ change_screen(i);
+ break;
+ }
+ }
+ }
+ console_active = 0;
+ return;
+ }
break;
default:
+ if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
+ change_screen(key - '1');
+ } else if(key == '0' && scr_num_screens() >= 10) {
+ change_screen(9);
+ }
+
+ if(console_active) {
+ if(key < 256 && isprint(key)) {
+ putchar(key);
+ fflush(stdout);
+
+ cbuf[wr] = key;
+ wr = (wr + 1) & CBUF_MASK;
+ if(wr == rd) { /* overflow */
+ rd = (rd + 1) & CBUF_MASK;
+ }
+ }
+ return;
+ }
break;
}
+
+ scr_keypress(key);
+ }
+}
+
+
+void mouse_orbit_update(float *theta, float *phi, float *dist)
+{
+ static int prev_mx, prev_my;
+ static unsigned int prev_bmask;
+
+ if(mouse_bmask) {
+ if((mouse_bmask ^ prev_bmask) == 0) {
+ int dx = mouse_x - prev_mx;
+ int dy = mouse_y - prev_my;
+
+ if(dx || dy) {
+ if(mouse_bmask & MOUSE_BN_LEFT) {
+ float p = *phi;
+ *theta += dx * 1.0;
+ p += dy * 1.0;
+
+ if(p < -90) p = -90;
+ if(p > 90) p = 90;
+ *phi = p;
+ }
+ if(mouse_bmask & MOUSE_BN_RIGHT) {
+ *dist += dy * 0.5;
+
+ if(*dist < 0) *dist = 0;
+ }
+ }
+ }
}
+
+ prev_mx = mouse_x;
+ prev_my = mouse_y;
+ prev_bmask = mouse_bmask;
}
projects / dosdemo / blobdiff