public void AddMappableObject(string id, MappableObject obj)
{
lock (this)
{
if (!_playfield_objects.ContainsKey(id))
{
_playfield_objects.Add(id, obj);
_stacking_order.AddFirst(id);
ObjectAddedUpdate(obj);
}
}
}
public bool SelectSingle(float xpos, float ypos)
{
lock (this)
{
// If more than one selection exists, remove the last selection so only
// one exists.
if (_select_buffer.Count > 1)
{
_select_buffer.RemoveRange(1, _select_buffer.Count - 1);
//return true;
}
LinkedListNode <string> current_node = _stacking_order.Last;
while (current_node != null)
{
MappableObject p = _playfield_objects[current_node.Value];
if (p.HitTest(xpos, ypos) && p.CanSelect)
{
switch (_select_buffer.Contains(p.ID))
{
case true:
_select_buffer.Clear();
_stacking_order.Remove(current_node);
_stacking_order.AddFirst(current_node);
return(SelectSingle(xpos, ypos));
case false:
_select_buffer.Clear();
_select_buffer.Add(p.ID);
_stacking_order.Remove(current_node);
_stacking_order.AddLast(current_node);
return(true);
}
}
current_node = current_node.Previous;
}
}
return(false);
}
public bool RightClickSelect(float xpos, float ypos)
{
lock (this)
{
LinkedListNode <string> current_node = _stacking_order.Last;
while (current_node != null)
{
MappableObject p = _playfield_objects[current_node.Value];
if (p.HitTest(xpos, ypos) && p.CanSelect)
{
switch (_select_buffer.Contains(p.ID))
{
case true:
// If we already have a p.id and its not the primary selection, then remove it.
if ((_select_buffer.Count > 1) && (_select_buffer[0] != p.ID))
{
_select_buffer.Remove(p.ID);
}
break;
case false:
// If we have 2 selections overwrite the second one, otherwise assume 1 already selected, add another.
if (_select_buffer.Count == MAX_SELECTIONS)
{
_select_buffer[1] = p.ID;
}
else
{
_select_buffer.Add(p.ID);
}
break;
}
return(true);
}
current_node = current_node.Previous;
}
}
return(false);
}
public bool SelectionExists(float xpos, float ypos)
{
lock (this)
{
LinkedListNode <string> current_node = _stacking_order.Last;
while (current_node != null)
{
MappableObject p = _playfield_objects[current_node.Value];
if (p.HitTest(xpos, ypos) && p.CanSelect)
{
return(true);
}
current_node = current_node.Previous;
}
}
return(false);
}
public override void ObjectAddedUpdate(MappableObject obj)
{
}
public virtual void ObjectAddedUpdate(MappableObject obj)
{
}
public void AddMappableObject(string id, MappableObject obj)
{
lock (this)
{
if (!_playfield_objects.ContainsKey(id))
{
_playfield_objects.Add(id, obj);
_stacking_order.AddFirst(id);
ObjectAddedUpdate(obj);
}
}
}
public virtual void ObjectAddedUpdate(MappableObject obj)
{
}