protected virtual void AddEntity(Group collection, Entity entity, int index, IComponent component)
{
MapPositionComponent mapPositionComponent = null;
foreach (var c in entity.GetComponents())
{
if (c.GetType() == typeof(MapPositionComponent))
{
mapPositionComponent = (MapPositionComponent)c;
}
}
if (mapPositionComponent != null)
{
if (lookup.ContainsKey(mapPositionComponent.Position) && lookup[mapPositionComponent.Position] == entity)
{
return;
}
if (lookup.ContainsKey(mapPositionComponent.Position) && lookup[mapPositionComponent.Position] != entity)
{
throw new Exception("the key " + mapPositionComponent + " is not unique. Present on entity: " + entity.creationIndex + " and entity: " + lookup[mapPositionComponent.Position].creationIndex);
}
entity.Retain(this);
lookup[mapPositionComponent.Position] = entity;
}
}
public void Create()
{
_map.SetMap(5, 5, Tile.Grass);
Assert.AreEqual(Tile.Grass, _map.GetTile(4, 4));
var pos = new MapPositionComponent()
{
Value = new Position(4, 4)
};
Assert.AreEqual(Tile.Grass, _map.GetTile(pos));
}
public bool Equals(MapPositionComponent other)
{
return(x == other.x && y == other.y);
}
public int GetDistance(MapPositionComponent otherPosition)
{
return(Math.Abs(x - otherPosition.x) + Math.Abs(y - otherPosition.y));
}