void Window::drawHitbox(const Hitbox &box, sf::Color color) {
if(showHitbox) {
sf::Shape boxA = sf::Shape::Rectangle(
box.getMinX(), box.getMinY(), box.getMaxX(), box.getMaxY(),
sf::Color(0, 0, 0, 0), 1.0f, color);
app.Draw(boxA);
}
}
// Check for collision, correct position if necessary
// Colliding will stop the player and push them back.
void Player::collideWithTile(World *ptr, int id){
if(ptr->world.find(id) == ptr->world.end()) return; //No such field on map
Entity *entity = nullptr;
if(ptr->world[id].find(LayerType::LAYER_STONES) != ptr->world[id].end())
entity = ptr->world[id][LayerType::LAYER_STONES];
else if(ptr->world[id].find(LayerType::LAYER_BLOCKS) != ptr->world[id].end())
entity = ptr->world[id][LayerType::LAYER_BLOCKS];
else
return; //Field has no blocks and stones
Hitbox self = getHitbox();
Hitbox block = entity->getHitbox();
if(Hitbox::collide(self, block)) {
sf::Vector2f offset(0, 0);
// calculate where to push the player
if(goDown) offset.y = block.getMinY() - self.getMaxY() - 1; // Negative value -- push up and a little more
if(goUp) offset.y = block.getMaxY() - self.getMinY() + 1; // Positive value -- push down
if(goRight) offset.x = block.getMinX() - self.getMaxX() - 1; // push left
if(goLeft) offset.x = block.getMaxX() - self.getMinX() + 1; // push right
// Correct position and update player
position += offset;
update(0); // instant correction, no velocity
// TODO: Going towards a wall causes player's sprite to derp out -- find out why
// Lock further movement
if(goDown) goDown = lockChangeDirection = false;
if(goUp) goUp = lockChangeDirection = false;
if(goRight) goRight = lockChangeDirection = false;
if(goLeft) goLeft = lockChangeDirection = false;
}
}