You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
+#include <stdlib.h>
#include <string.h>
#include "gbaregs.h"
#include "timer.h"
#include "keyb.h"
#include "intr.h"
#include "gfx.h"
+#include "xgl.h"
+#include "polyfill.h"
+#include "debug.h"
+#include "meshdata.h"
+
+#define MENU_HEIGHT 17
+#define TRACK_HEIGHT 18
+#define VP_HEIGHT (160 - MENU_HEIGHT - TRACK_HEIGHT)
static void handle_keys(void);
extern struct { unsigned char r, g, b; } bgimg_cmap[];
extern unsigned char bgimg_pixels[];
+static int32_t cam_theta = 0x10000, cam_phi = -0x8000;
+
int main(void)
{
int i;
+ unsigned int nframes = 0, backbuf;
uint16_t *cptr;
unsigned char r, g, b;
+ unsigned char *fbptr[2], *fb;
intr_init();
reset_msec_timer();
/* mode 4: 240x160 8bpp */
REG_DISPCNT = DISPCNT_BG2 | 4;
+ fbptr[0] = (unsigned char*)VRAM_LFB_FB0_ADDR;
+ fbptr[1] = (unsigned char*)VRAM_LFB_FB1_ADDR;
+
+ set_bg_color(0xff, 31, 31, 31);
+
cptr = (uint16_t*)CRAM_BG_ADDR;
for(i=0; i<128; i++) {
r = bgimg_cmap[i].r >> 3;
b = bgimg_cmap[i].b >> 3;
*cptr++ = r | (g << 5) | (b << 10);
}
- memcpy((void*)VRAM_LFB_FB0_ADDR, bgimg_pixels, 240 * 160);
- memcpy((void*)VRAM_LFB_FB1_ADDR, bgimg_pixels, 240 * 160);
+ for(i=0; i<128; i++) {
+ r = i / 5 + 6;
+ *cptr++ = r | (r << 5) | (r << 10);
+ }
+ memcpy(fbptr[0], bgimg_pixels, 240 * 160);
+ memcpy(fbptr[1], bgimg_pixels, 240 * 160);
- /*key_repeat(500, 75, KEY_LEFT | KEY_RIGHT | KEY_DOWN | KEY_UP);*/
+ xgl_init();
+ xgl_viewport(0, 0, 240, VP_HEIGHT);
+ xgl_enable(XGL_LIGHTING);
+
+ key_repeat(75, 75, KEY_LEFT | KEY_RIGHT | KEY_DOWN | KEY_UP);
for(;;) {
+ handle_keys();
+
+ backbuf = ++nframes & 1;
+
+ fb = fbptr[backbuf] + 240 * MENU_HEIGHT;
+ polyfill_framebuffer(fb, 240, VP_HEIGHT);
+ memset(fb, 14, 240 * VP_HEIGHT);
+
+ xgl_load_identity();
+ xgl_translate(0, 0, 8 << 16);
+ xgl_rotate_x(cam_phi);
+ xgl_rotate_y(cam_theta);
+// xgl_draw(XGL_QUADS, cube, sizeof cube / sizeof *cube);
+ xgl_draw(XGL_TRIANGLES, suzanne, sizeof suzanne / sizeof *suzanne);
+
wait_vblank();
- swap_buffers();
+ present(backbuf);
}
return 0;
update_keyb();
if(KEYPRESS(KEY_UP)) {
+ cam_phi += 0x2000;
+ if(cam_phi > X_HPI) cam_phi = X_HPI;
}
if(KEYPRESS(KEY_DOWN)) {
+ cam_phi -= 0x2000;
+ if(cam_phi < -X_HPI) cam_phi = -X_HPI;
}
if(KEYPRESS(KEY_LEFT)) {
+ cam_theta += 0x2000;
}
if(KEYPRESS(KEY_RIGHT)) {
+ cam_theta -= 0x2000;
}
}