using Core.Input;
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using TowerDefense.UI.HUD;
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using State = TowerDefense.UI.HUD.EndlessGameUI.State;
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namespace TowerDefense.UI
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{
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/// <summary>
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/// TD Specific input switcher that also disables controls when the game is paused
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/// PVE 无尽模式使用
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/// </summary>
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public class EndlessTowerDefenseInputSchemeSwitcher : InputSchemeSwitcher
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{
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/// <summary>
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/// Gets whether the game is in a paused state
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/// </summary>
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public bool isPaused
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{
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get { return EndlessGameUI.instance.state == State.Paused; }
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}
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/// <summary>
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/// Register GameUI's stateChanged event
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/// </summary>
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protected virtual void Start()
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{
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if (EndlessGameUI.instanceExists)
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EndlessGameUI.instance.stateChanged += OnUIStateChanged;
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}
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/// <summary>
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/// Do nothing when game is paused
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/// </summary>
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protected override void Update()
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{
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if (isPaused)
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return;
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base.Update();
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}
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/// <summary>
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/// Unregister from GameUI's stateChanged event
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/// </summary>
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protected virtual void OnDestroy()
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{
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if (EndlessGameUI.instanceExists)
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EndlessGameUI.instance.stateChanged -= OnUIStateChanged;
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}
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/// <summary>
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/// Activate or deactivate the current input scheme when the game pauses/unpauses
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/// </summary>
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void OnUIStateChanged(State oldState, State newState)
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{
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if (m_CurrentScheme == null)
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return;
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if (newState == State.Paused)
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m_CurrentScheme.Deactivate(null);
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else
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m_CurrentScheme.Activate(null);
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}
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}
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}
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