int main(void)
{
libgba_init();
int selection = 0;
bool needs_init = true;
// this is how the demo selection will be laid out on screen
const demo demos[NUM_DEMOS] =
{
demo1_main, demo2_main,
demo3_main, demo4_main,
demo5_main, demo6_main,
demo7_main, demo8_main
};
for (;;) // main loop; loop forever
{
if (needs_init)
{
main_init();
needs_init = false;
}
u16 key_state = get_curr_keys();
int tribool_horz = tribool_dpad_horz(key_state);
int tribool_vert = tribool_dpad_vert(key_state);
int horz = (selection + tribool_horz) & 1;
int vert = (((selection >> 1) + tribool_vert) << 1) & (NUM_DEMOS - 1);
selection = horz + vert;
if (key_state & KEY_A)
{
demos[selection]();
needs_init = true;
}
VBlankIntrWait();
}
// never actually get here; behavior after main returns is undefined on GBA
return 0;
}
int key_just_pressed(int key) {
return get_curr_keys()[key] && !get_last_keys()[key];
}
int key_pressed(int key) {
return get_curr_keys()[key];
}
void update_keys() {
memcpy(get_last_keys(), get_curr_keys(), GLFW_KEY_LAST+1);
}
void GLFWCALL set_key(int key, int state) {
get_curr_keys()[key] = (state == GLFW_PRESS);
}