// 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 will drop on toTower
void ShowToShadow(Transform toTower)
{
Transform fromTower = MouseActionTrigger.towerBeingDragged;
if (toTower != fromTower)
{
Transform fromBlock = fromTower.GetComponent <TowerStack> ().GetTopBlock();
if (fromBlock)
{
// find toTower slot and place toShadow block inside it
TowerStack toTowerStack = toTower.GetComponent <TowerStack> ();
Transform toSlot = toTowerStack.GetTopSlot();
this.toShadow.transform.SetParent(toSlot);
this.toShadow.SetActive(true);
// Decide color of shadow block based on validity of fromTower's topBlock move
Color shadowColor;
if (toTowerStack.CanSupportNewTopBlock(fromBlock))
{
shadowColor = new Color(0f, 1f, 0f, 0.6f); // Green for valid
}
else
{
shadowColor = new Color(1f, 0f, 0f, 0.6f); // Red for invalid
}
// Adjust shadow's size and color
Block toShadowData = this.toShadow.GetComponent <Block> ();
toShadowData.ResetPosition();
toShadowData.SetColor(shadowColor);
int blockNum = fromBlock.GetComponent <Block> ().blockNum;
toShadowData.SetBlockNum(blockNum);
}
}
}
void Start()
{
// initialize tower components
this.eventBus = this.towerBindedTo.GetComponent <EventBus> ();
this.towerStack = this.towerBindedTo.GetComponent <TowerStack> ();
// subscribe best girl checking to whenever tower gains a new block
this.eventBus.TopBlockGainEvent += this.CheckIfBestGirl;
}
void Start()
{
this.mainCamera = Camera.main;
this.mainCanvas = this.transform.parent.GetComponent <Canvas> ().rootCanvas;
this.towerStack = this.GetComponent <TowerStack>();
// subscribe methods to event bus
this.eventBus = this.GetComponent <EventBus>();
this.eventBus.LeftDragEvent += this.MoveTopBlockToMouse;
this.eventBus.LeftReleaseEvent += this.ResetTopBlockPosition;
}
// 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);
}
}
