public void TrySelectTarget(PointerInfo info)
{
if (state != State.Normal)
{
throw new InvalidOperationException("Trying to select towers outside of Normal state");
}
UIPointer uiPointer = WrapPointer(info);
if (uiPointer.overUI)
{
return;
}
RaycastHit hit;
if (Physics.Raycast(uiPointer.ray, out hit, float.MaxValue))
{
switch (hit.collider.tag)
{
case "Tower":
case "Enemy":
XEventBus.Instance.Post(EventId.UserClick, new XEventArgs(hit.collider.gameObject));
TowerAgent tower = hit.collider.GetComponent <TowerAgent>();
if (tower != null)
{
SelectTarget(tower);
}
break;
}
}
}
//根据Ghost放置Target
public void TryPlaceTarget(PointerInfo pointerInfo)
{
UIPointer pointer = WrapPointer(pointerInfo);
// Do nothing if we're over UI
if (pointer.overUI)
{
return;
}
BuyTarget(pointer);
}
//移动Ghost
public void TryMoveGhost(PointerInfo pointerInfo, bool hideWhenInvalid = false)
{
if (m_CurrentGhost == null)
{
throw new InvalidOperationException("Trying to move the Target ghost when we don't have one");
}
UIPointer pointer = WrapPointer(pointerInfo);
// Do nothing if we're over UI
if (pointer.overUI && hideWhenInvalid)
{
m_CurrentGhost.Hide();
return;
}
MoveGhost(pointer, hideWhenInvalid);
}
protected void MoveGhost(UIPointer pointer, bool hideWhenInvalid = false)
{
if (m_CurrentGhost == null || !isBuilding)
{
throw new InvalidOperationException(
"Trying to position a Target ghost while the UI is not currently in the building state.");
}
PlacementAreaRaycast(ref pointer);
if (pointer.raycast != null)
{
MoveGhostWithRaycastHit(pointer.raycast.Value);
}
else
{
MoveGhostOntoWorld(pointer.ray, hideWhenInvalid);
}
}
public void BuyTarget(UIPointer pointer)
{
if (!isBuilding)
{
throw new InvalidOperationException("Trying to buy towers when not in a Build Mode");
}
if (m_CurrentGhost == null)
{
return;
}
PlacementAreaRaycast(ref pointer);
if (!pointer.raycast.HasValue || pointer.raycast.Value.collider == null)
{
CancelGhostPlacement();
return;
}
PlaceTargetGhost(pointer);
}
protected void PlacementAreaRaycast(ref UIPointer pointer)
{
pointer.raycast = null;
if (pointer.overUI)
{
return;
}
//RaycastHit2D hit = Physics2D.Raycast(pointer.ray.origin, Vector2.zero, float.MaxValue, placementAreaMask);
//if (hit)
//{
// pointer.raycast = hit;
//}
RaycastHit hit;
if (Physics.Raycast(pointer.ray, out hit, float.MaxValue, placementAreaMask))
{
pointer.raycast = hit;
}
}
protected void PlaceTargetGhost(UIPointer pointer)
{
if (m_CurrentGhost == null || !isBuilding)
{
throw new InvalidOperationException(
"Trying to position a Target ghost while the UI is not currently in a building state.");
}
MoveGhost(pointer);
if (m_CurrentArea != null)
{
bool isFits = IsGhostAtValidPosition();
if (isFits)
{
if (currentSelectedTarget)
{
currentSelectedTarget.UpdateTargetPos(m_CurrentArea, m_GridPosition);
currentSelectedTarget.Show();
CancelGhostPlacement();
}
else
{
int cost = m_CurrentGhost.defaultLevel.Cost;
bool successfulPurchase = BattleField.instance.currency.TryPurchase(cost);
if (successfulPurchase)
{
GameObject createdTarget = Instantiate(Resources.Load <GameObject>("Prefab/Game/Tower"), m_CurrentArea.transform);
TowerAgent tower = createdTarget.GetComponent <TowerAgent>();
object[] myObjArray = { m_CurrentArea, m_GridPosition };
tower.Initialize(m_CurrentGhost.towerId, myObjArray);
CancelGhostPlacement();
}
else
{
KindlyReminderUI.instance.ShowTip(new ShowTipParams {
msg = "金币不足"
});
CancelGhostPlacement();
}
}
}
else
{
if (!currentSelectedTarget)
{
return;
}
currentSelectedTarget.UpdateTargetPos(m_CurrentArea, m_GridPosition);
currentSelectedTarget.Show();
CancelGhostPlacement();
Tower target = m_CurrentArea.GetController().GetComponent <Tower>();
if (target != currentSelectedTarget)
{
if (target.currentLevel == currentSelectedTarget.currentLevel)
{
if (!target.isAtMaxLevel)
{
int upgradeCost = target.GetCostForNextLevel();
bool successfulUpgrade = BattleField.instance.currency.TryPurchase(upgradeCost);
if (successfulUpgrade)
{
target.UpgradeTarget();
CancelGhostPlacement(true);
}
else
{
KindlyReminderUI.instance.ShowTip(new ShowTipParams {
msg = "没钱升什么级"
});
CancelGhostPlacement();
}
}
else
{
KindlyReminderUI.instance.ShowTip(new ShowTipParams {
msg = "炮台已经是最高等级了"
});
}
}
else
{
CancelGhostPlacement();
KindlyReminderUI.instance.ShowTip(new ShowTipParams {
msg = "不是同一级别的炮台"
});
}
}
else
{
CancelGhostPlacement();
}
}
}
}