/*buddy_fill - Flag all buddy as unallocatable which belong subtree i.
* Used to initialize memory.
*/
static void buddy_fill(uint32_t i){
uint8_t o = idx2ord(i);
uint32_t k,j;
for(k = 0;k<o;k++,i<<=1)
for(j = 0;j < (1 << k); j++)
set_buddy(mem[i + j + (1 << k) - 1],o - k, 0, 0);
}
void create_game(ng::i_layout& aLayout)
{
auto spritePlane = std::make_shared<ng::sprite_plane>();
aLayout.add_item(spritePlane);
spritePlane->set_font(ng::font(spritePlane->font(), ng::font::Bold, 28));
spritePlane->set_background_colour(ng::colour::Black);
spritePlane->enable_z_sorting(true);
for (uint32_t i = 0; i < 1000; ++i)
spritePlane->add_shape(std::make_shared<ng::rectangle>(
*spritePlane,
ng::vec3{static_cast<ng::scalar>(std::rand() % 800), static_cast<ng::scalar>(std::rand() % 800), -(static_cast<ng::scalar>(std::rand() % 32))},
ng::size{static_cast<ng::scalar>(std::rand() % 64), static_cast<ng::scalar>(std::rand() % 64)},
ng::colour(std::rand() % 64, std::rand() % 64, std::rand() % 64)));
//spritePlane->set_uniform_gravity();
//spritePlane->set_gravitational_constant(0.0);
//spritePlane->create_earth();
auto& spaceshipSprite = spritePlane->create_sprite(ng::image(sSpaceshipImagePattern, { {0, ng::colour()}, {1, ng::colour::LightGoldenrod}, {2, ng::colour::DarkGoldenrod4} }));
spaceshipSprite.physics().set_mass(1.0);
spaceshipSprite.set_size(ng::size(36.0, 36.0));
spaceshipSprite.set_position_3D(ng::vec3(400.0, 18.0, 1.0));
auto shipInfo = std::make_shared<ng::text>(*spritePlane, ng::vec3{}, "", ng::font("SnareDrum One NBP", "Regular", 24.0), ng::colour::White);
shipInfo->set_border(1.0);
shipInfo->set_margins(ng::margins(2.0));
shipInfo->set_buddy(spaceshipSprite, ng::vec3{18.0, 18.0, 0.0});
spritePlane->add_shape(shipInfo);
spritePlane->sprites_painted([spritePlane](ng::graphics_context& aGraphicsContext)
{
aGraphicsContext.draw_text(ng::point(0.0, 0.0), "Hello, World!", spritePlane->font(), ng::colour::White);
});
spritePlane->physics_applied([spritePlane, &spaceshipSprite, shipInfo]()
{
const auto& keyboard = ng::app::instance().keyboard();
spaceshipSprite.physics().set_acceleration({
keyboard.is_key_pressed(ng::ScanCode_RIGHT) ? 16.0 : keyboard.is_key_pressed(ng::ScanCode_LEFT) ? -16.0 : 0.0,
keyboard.is_key_pressed(ng::ScanCode_UP) ? 16.0 : keyboard.is_key_pressed(ng::ScanCode_DOWN) ? -16.0 : 0.0
});
if (keyboard.is_key_pressed(ng::ScanCode_X))
spaceshipSprite.physics().set_spin_degrees(30.0);
else if (keyboard.is_key_pressed(ng::ScanCode_Z))
spaceshipSprite.physics().set_spin_degrees(-30.0);
else
spaceshipSprite.physics().set_spin_degrees(0.0);
if (keyboard.is_key_pressed(ng::ScanCode_SPACE))
spritePlane->add_sprite(std::make_shared<bullet>(spaceshipSprite));
std::ostringstream oss;
oss << "VELOCITY: " << spaceshipSprite.physics().velocity().magnitude() << " m/s" << "\n";
oss << "ACCELERATION: " << spaceshipSprite.physics().acceleration().magnitude() << " m/s/s";
shipInfo->set_value(oss.str());
});
}
/*buddy_init_memmap - Set the detected physical memory block allocable*/
static void buddy_init_memmap(struct Page* page, size_t n){
assert(n > 0);
if(!mem_init){
mem = page2kva(page);
uint32_t mem_sz = (shl(1, MAX_ORD-1)-1) * sizeof(Buddy);
uint32_t pgnum = ROUNDUP(mem_sz, PGSIZE) / PGSIZE;
page += pgnum;
n -= pgnum;
mem_init = 1;
buddy_fill(0);
}
struct Page *p = page;
nr_free += n;
uint32_t idx;
for (; p != page + n; p++) {
assert(PageReserved(p));
p->flags = p->property = 0;
idx = page2buddy(p, 2);
set_buddy(mem[idx], 2, 1, 1);
update(idx);
set_page_ref(p, 0);
}
}
