128 lines
4.5 KiB (Stored with Git LFS)
C#
128 lines
4.5 KiB (Stored with Git LFS)
C#
// Copyright (c) Pixel Crushers. All rights reserved.
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using UnityEngine;
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using System.Collections;
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namespace PixelCrushers.DialogueSystem
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{
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/// <summary>
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/// This persistent data component keeps track of when the GameObject
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/// has been destroyed or disabled. The next time the level or game is loaded, if
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/// the GameObject has previously been destroyed/disabled, this script will
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/// destroy/deactivate it again.
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/// </summary>
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[AddComponentMenu("")] // Use wrapper.
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public class PersistentDestructible : MonoBehaviour
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{
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public enum RecordOn { Destroy, Disable }
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[Tooltip("Record destroyed on Destroy or Disable.")]
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public RecordOn recordOn = RecordOn.Destroy;
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/// <summary>
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/// Assign a Lua variable name to keep track of whether the GameObject
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/// has been destroyed. If this is blank, it uses the name of the
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/// GameObject for the variable name. If the variable is <c>true</c>,
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/// the GameObject has been destroyed.
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/// </summary>
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[Tooltip("Unique Dialogue System variable (Boolean) to record whether the GameObject has been destroyed/disabled.")]
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public string variableName = string.Empty;
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[Tooltip("Spawn an instance of this when destroyed.")]
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public GameObject spawnWhenDestroyed;
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protected string ActualVariableName
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{
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get { return string.IsNullOrEmpty(variableName) ? DialogueActor.GetPersistentDataName(transform) : variableName; }
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}
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protected bool listenForOnDestroy = false;
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/// <summary>
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/// Only listen for OnDestroy if the script has been enabled.
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/// </summary>
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protected virtual void OnEnable()
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{
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PersistentDataManager.RegisterPersistentData(gameObject);
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listenForOnDestroy = true;
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}
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/// <summary>
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/// When applying persistent data, check the variable. If it's <c>true</c>,
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/// the GameObject has been destroyed previously, so destroy it now.
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/// </summary>
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public void OnApplyPersistentData()
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{
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if (DialogueLua.GetVariable(ActualVariableName).asBool)
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{
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// Before destroying the object, make it think that the level is
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// being unloaded. This will disable any persistent data scripts
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// that use OnDestroy, since it's not really being destroyed
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// during gameplay in this case.
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gameObject.BroadcastMessage("OnLevelWillBeUnloaded", SendMessageOptions.DontRequireReceiver);
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switch (recordOn)
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{
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case RecordOn.Destroy:
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Destroy(gameObject);
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break;
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case RecordOn.Disable:
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gameObject.SetActive(false);
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break;
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}
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SpawnCorpse();
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}
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}
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/// <summary>
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/// If the level is being unloaded, this GameObject will be destroyed.
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/// We don't want to count this in the variable, so disable the script.
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/// </summary>
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public void OnLevelWillBeUnloaded()
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{
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listenForOnDestroy = false;
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}
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/// <summary>
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/// If the application is ending, don't listen, as this can log errors
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/// in the console.
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/// </summary>
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public void OnApplicationQuit()
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{
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listenForOnDestroy = false;
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}
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/// <summary>
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/// If the GameObject is destroyed, set its Lua variable <c>true</c>.
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/// </summary>
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public void OnDestroy()
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{
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if (!(listenForOnDestroy && (recordOn == RecordOn.Destroy))) return;
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MarkDestroyed();
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}
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private void MarkDestroyed()
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{
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if (!Application.isPlaying) return;
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if (DialogueManager.instance == null || DialogueManager.databaseManager == null || DialogueManager.masterDatabase == null) return;
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DialogueLua.SetVariable(ActualVariableName, true);
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SpawnCorpse();
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}
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public void OnDisable()
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{
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if (!(listenForOnDestroy && (recordOn == RecordOn.Disable))) return;
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MarkDestroyed();
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PersistentDataManager.UnregisterPersistentData(gameObject);
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}
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private void SpawnCorpse()
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{
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if (spawnWhenDestroyed == null) return;
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Instantiate(spawnWhenDestroyed, transform.position, transform.rotation);
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}
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}
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} |