void _vm_init(void)
{
kprintf("\nHAL: _vm_init()");
heapinit(krnl_heap, sizeof(krnl_heap));
}
main() {
bool flat = false;
//int *low, *high;
vector_t light;
surface_t screen;
// this is a vector buffer, for the transformations
// our only object have 5 vertexes, but we'll make space for 32 anyway
vector_t *pbuffer;
// off-screen surface buffer
//u_char* sbuffer = (u_char*)malloc(MODE2_MAX);
// our solid :)
object_t triangle;
heapinit (HPSIZE);
pbuffer = newa(vector_t, 32);
triangle.mesh = build_mesh();
triangle.rot_x = triangle.rot_y = triangle.rot_z = 0;
triangle.trans_x = triangle.trans_y = 0;
triangle.trans_z = i2f(30); // remember: we are using fixed-point numbers
screen.data.ram = sbuffer;
// polygon rendering buffers
//low = newa(int, MODE2_HEIGHT);
//high = newa(int, MODE2_HEIGHT);
// light source
light.x = light.y = light.z = i2f(1);
vector_normalize(&light, &light);
printf("spinning solid demo\n\n");
printf("instructions:\n press [UP] to toggle flat shading\n\n");
printf("creating look-up tables, please wait\n");
create_lookup_tables();
// set screen to graphic mode
set_color(15, 1, 1);
set_mode(mode_2);
fill(MODE2_ATTR, 0xF1, MODE2_MAX);
//surface_line(&screen, 0, 0, 0, 0); // FIXME: won't compile without this crap
while (!get_trigger(0)) {
if (get_stick(0) == 1)
flat = !flat;
// rotate a bit
triangle.rot_y += 2;
triangle.rot_x += 3;
triangle.rot_z += 1;
// clear the off-screen buffer
memset(sbuffer, 0, MODE2_MAX); // [*]
//surface_line(screen, 0, 0, 10, 10);
// render the object
if (flat)
//object_render_flatshading(&screen, &triangle, pbuffer, low, high, &light);
object_render_flatshading(&screen, &triangle, pbuffer, stencil, &light);
else
object_render_wireframe(&screen, &triangle, pbuffer);
// show the off-screen buffer
//vwrite(screen.data.ram, 0, MODE2_MAX); // [*]
msx_vwrite_direct(screen.data.ram, 0, MODE2_MAX);
// [*] FIXME: there will be better ways of doing this (soon)
}
// go back to text mode
set_mode(mode_0);
// deallocate stuff
mesh_delete(triangle.mesh);
//free(sbuffer);
//free(low);
//free(high);
//destroy_lookup_tables();
}
