public bool AddData(IEntityData data)
{
// Get collision modes of the attachment
List <EntityAttachmentCollisionMode> collisionModes = data.GetAttachmentCollisionModes();
// Initialize collision booleans
bool collidesWithSelf = collisionModes.Contains(EntityAttachmentCollisionMode.Self),
collidesWithInherited = collisionModes.Contains(EntityAttachmentCollisionMode.Inherited);
Type t = data.GetType();
// Check if the new attachment collides with any existing attachments
if (collidesWithSelf && _typedData.GetValueOrDefault(t, new List <IEntityData> ()).Count > 0)
{
return(false);
}
if (collidesWithInherited && _inheritedTypedData.GetValueOrDefault(t, new List <IEntityData> ()).Count > 0)
{
return(false);
}
// Remove from previous entity
IEntity previous = data.GetPossessingEntity();
previous.RemoveData(data);
// Add and initialize
_data.Add(data);
_typedData.Initialize(t, new List <IEntityData> ());
_typedData[t].Add(data);
Type cur = t;
while (cur.BaseType != null)
{
cur = cur.BaseType;
_inheritedTypedData.Initialize(cur, new List <IEntityData> ());
_inheritedTypedData[cur].Add(data);
}
data.AttachTo(this);
return(true);
}
public bool RemoveData(IEntityData data)
{
if (!_data.Contains(data))
{
return(false);
}
_data.Remove(data);
Type t = data.GetType();
_typedData.Initialize(t, new List <IEntityData> ());
_typedData[t].Remove(data);
while (t.BaseType != null)
{
t = t.BaseType;
_inheritedTypedData.Initialize(t, new List <IEntityData> ());
_inheritedTypedData[t].Remove(data);
}
return(true);
}