internal bool RemoveComponent(QuadTreeGameComponent component)
{
if (_gameComponents.Contains(component))
{
_gameComponents.Remove(component);
component.qNode = null;
return true;
}
return false;
}
/// <summary>
/// Removes a QuadTreeGameComponent derived object from the QuadTree
/// </summary>
/// <param name="component">A QuadTreeGameComponent object previously added to the QuadTree</param>
public void RemoveComponent(QuadTreeGameComponent component)
{
if (component != null) {
if (component.quadTree != this) {
return; // wrong quadTree or never added
}
if (component.qNode != null) {
component.qNode.RemoveComponent(component);
}
component.qNode = null;
if (_gameComponents.Contains(component)) {
_gameComponents.Remove(component);
}
component.quadTree = null;
}
}
internal bool AddComponent(QuadTreeGameComponent component)
{
if (_gameComponents == null) {
return false;
}
if (!IsInThisNode(component.Position)) {
return false;
}
if (children != null) {
for (int i = 0; i < 4; i++) {
if (children[i] != null) {
if (children[i].AddComponent(component))
return true;
}
}
}
// up to us to store it
if (component.position.Y == 0) {
component.position.Y = GetHeightAt(component.Position.X, component.Position.Z);
}
component.qNode = this;
_gameComponents.Add(component);
return true;
}
public bool AddComponent(QuadTreeGameComponent component)
{
if (!_gameComponents.Contains(component))
_gameComponents.Add(component);
if (component.qNode != null && component.quadTree == this)
component.qNode.RemoveComponent(component);
component.qNode = null;
component.quadTree = this;
if (_valid && _root != null)
_root.AddComponent(component);
return true;
}