private Vector3Int GetOffset(Template template)
{
var size = template.boundingBox.size;
switch (template.strategy)
{
case Template.PlacementStrategy.Castle:
return(new Vector3Int(-size.x / 2, -size.y / 2, 0));
case Template.PlacementStrategy.Graveyard:
Vector2Int placementDimensions = usableMapDimensions - size;
Vector3Int rawPos = RandomPositionOnPerimeter(placementDimensions);
return(rawPos + bottomLeftCorner.To3D());
default:
Vector3Int pos;
RectInt usedSpace;
do
{
pos = new Vector3Int(
Random.Range(bottomLeftCorner.x, upperRightCorner.x - size.x),
Random.Range(bottomLeftCorner.y, upperRightCorner.y - size.y),
0
);
usedSpace = new RectInt(pos.x, pos.y, size.x, size.y);
} while (usedSpaces.AnyOverlap(usedSpace));
return(pos);
}
}