// examines top block from towerFrom parameter and transfers it to this tower's stack if move is valid
public void AttemptBlockTransferFrom(Transform towerFrom)
{
if (towerFrom)
{
if (towerFrom != this.transform)
{
TowerStack towerStackFrom = towerFrom.GetComponent <TowerStack> ();
Transform topBlock = towerStackFrom.GetTopBlock();
if (topBlock)
{
if (this.CanSupportNewTopBlock(topBlock))
{
// block transfer is valid; commence transfer procedure
topBlock = towerStackFrom.PopTopBlock();
this.PushTopBlock(topBlock);
}
else
{
towerFrom.GetComponent <EventBus> ().EmitTopBlockKeepEvent(towerFrom);
this.eventBus.EmitTopBlockMissEvent(this.transform);
}
}
}
else
{
towerFrom.GetComponent <EventBus> ().EmitTopBlockKeepEvent(towerFrom);
}
}
}
// show shadow of where block came from on fromTower
void ShowFromShadow(Transform fromTower)
{
// find toTower slot and place toShadow block inside it
TowerStack fromTowerStack = fromTower.GetComponent <TowerStack> ();
Transform fromBlock = fromTowerStack.GetTopBlock();
if (fromBlock)
{
Transform fromSlot = fromTowerStack.GetTopBlockSlot();
if (fromSlot)
{
this.fromShadow.transform.SetParent(fromSlot);
this.fromShadow.SetActive(true);
}
// Adjust shadow's size and color
Block fromShadowData = this.fromShadow.GetComponent <Block> ();
fromShadowData.ResetPosition();
fromShadowData.SetColor(new Color(0f, 0f, 0f, 0.6f)); //black shadow
int blockNum = fromBlock.GetComponent <Block> ().blockNum;
fromShadowData.SetBlockNum(blockNum);
}
}