345 lines
12 KiB
C#
345 lines
12 KiB
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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/// Adds and removes extra dialogue databases.
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/// </summary>
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[AddComponentMenu("")] // Use wrapper.
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public class ExtraDatabases : MonoBehaviour
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{
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/// <summary>
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/// Add the databases when this trigger occurs.
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/// </summary>
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public DialogueTriggerEvent addTrigger = DialogueTriggerEvent.OnStart;
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/// <summary>
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/// Remove the databases when this trigger occurs.
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/// </summary>
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public DialogueTriggerEvent removeTrigger = DialogueTriggerEvent.None;
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/// <summary>
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/// The databases to add/remove.
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/// </summary>
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public DialogueDatabase[] databases = new DialogueDatabase[0];
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/// <summary>
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/// The condition that must be true for the trigger to fire.
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/// </summary>
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public Condition condition = new Condition();
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/// <summary>
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/// As soon as one event (add or remove) has occurred, destroy this component.
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/// </summary>
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[Tooltip("As soon as one event (add or remove) has occurred, destroy this component.")]
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public bool once = false;
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/// <summary>
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/// Add/remove one database per frame instead of adding them all at the same time.
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/// Useful to avoid stutter when adding several databases.
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/// </summary>
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[Tooltip("Add/remove one database per frame instead of adding them all at the same time. Useful to avoid stutter when adding several databases.")]
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public bool onePerFrame = false;
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/// <summary>
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/// This event is called after ExtraDatabases has finished adding its list of databases
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/// to the DialogueManager's MasterDatabase.
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/// </summary>
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public static event System.Action addedDatabases = delegate { };
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/// <summary>
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/// This event is called after ExtraDatabases has finished removing its list of databases
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/// from the DialogueManager's MasterDatabase.
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/// </summary>
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public static event System.Action removedDatabases = delegate { };
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#if UNITY_2019_3_OR_NEWER && UNITY_EDITOR
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[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
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static void InitStaticVariables()
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{
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addedDatabases = delegate { };
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removedDatabases = delegate { };
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}
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#endif
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protected bool m_trying = false;
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protected Coroutine m_destroyCoroutine = null;
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protected int m_numActiveCoroutines = 0;
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protected DialogueDatabase[] databaseInstances = null;
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protected virtual void TryAddDatabases(Transform interactor, bool onePerFrame)
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{
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if (DialogueManager.instance == null) return;
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if (!m_trying)
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{
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m_trying = true;
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try
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{
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if ((condition == null) || condition.IsTrue(interactor))
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{
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AddDatabases(onePerFrame);
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}
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}
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finally
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{
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m_trying = false;
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}
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}
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}
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public virtual void AddDatabases(bool onePerFrame)
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{
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if (DialogueManager.instance.instantiateDatabase)
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{
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if (databaseInstances != null && databaseInstances.Length != databases.Length)
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{
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foreach (var instance in databaseInstances)
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{
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Destroy(instance);
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}
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databaseInstances = null;
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}
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if (databaseInstances == null)
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{
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databaseInstances = new DialogueDatabase[databases.Length];
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for (int i = 0; i < databases.Length; i++)
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{
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databaseInstances[i] = Instantiate(databases[i]);
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}
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}
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}
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if (onePerFrame)
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{
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StartCoroutine(AddDatabasesCoroutine());
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}
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else if (gameObject.activeInHierarchy && enabled)
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{
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AddDatabasesImmediate();
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}
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}
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protected virtual void AddDatabasesImmediate()
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{
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for (int i = 0; i < databases.Length; i++)
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{
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if (DialogueManager.instance.instantiateDatabase)
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{
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AddDatabase(databaseInstances[i]);
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}
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else
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{
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AddDatabase(databases[i]);
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}
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}
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addedDatabases();
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if (once) Destroy(this);
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}
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protected virtual IEnumerator AddDatabasesCoroutine()
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{
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m_numActiveCoroutines++;
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if (once && m_destroyCoroutine == null) m_destroyCoroutine = StartCoroutine(DestroyCoroutine());
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for (int i = 0; i < databases.Length; i++)
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{
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if (DialogueManager.instance.instantiateDatabase)
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{
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AddDatabase(databaseInstances[i]);
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}
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else
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{
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AddDatabase(databases[i]);
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}
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yield return null;
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}
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addedDatabases();
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m_numActiveCoroutines--;
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}
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protected virtual void AddDatabase(DialogueDatabase database)
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{
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if (database != null)
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{
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if (DialogueDebug.logInfo) Debug.Log("Dialogue System: Adding database " + database.name, this);
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DialogueManager.AddDatabase(database);
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}
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}
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protected virtual void TryRemoveDatabases(Transform interactor, bool onePerFrame)
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{
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if (DialogueManager.instance == null) return;
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if (!m_trying)
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{
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m_trying = true;
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try
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{
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if ((condition == null) || condition.IsTrue(interactor))
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{
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RemoveDatabases(onePerFrame);
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}
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}
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finally
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{
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m_trying = false;
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}
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}
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}
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public virtual void RemoveDatabases(bool onePerFrame)
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{
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if (onePerFrame)
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{
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StartCoroutine(RemoveDatabasesCoroutine());
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}
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else if (gameObject.activeInHierarchy && enabled)
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{
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RemoveDatabasesImmediate();
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}
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}
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protected virtual void RemoveDatabasesImmediate()
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{
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foreach (var database in databases)
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{
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RemoveDatabase(database);
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}
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removedDatabases();
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if (once) Destroy(this);
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}
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protected virtual IEnumerator RemoveDatabasesCoroutine()
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{
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m_numActiveCoroutines++;
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if (once && m_destroyCoroutine == null) m_destroyCoroutine = StartCoroutine(DestroyCoroutine());
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foreach (var database in databases)
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{
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RemoveDatabase(database);
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yield return null;
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}
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removedDatabases();
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m_numActiveCoroutines--;
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}
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protected virtual void RemoveDatabase(DialogueDatabase database)
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{
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if (database != null)
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{
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if (DialogueDebug.logInfo) Debug.Log("Dialogue System: Removing database " + database.name, this);
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DialogueManager.RemoveDatabase(database);
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}
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}
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protected virtual IEnumerator DestroyCoroutine()
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{
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// If Once is ticked and component both adds & removes databases, we need to wait for both to finish:
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while (m_numActiveCoroutines > 0)
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{
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yield return null;
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}
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m_destroyCoroutine = null;
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Destroy(this);
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}
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public virtual void Start()
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{
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if (addTrigger == DialogueTriggerEvent.OnStart || removeTrigger == DialogueTriggerEvent.OnStart)
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{
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StartCoroutine(StartEndOfFrame());
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}
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}
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protected virtual IEnumerator StartEndOfFrame()
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{
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yield return CoroutineUtility.endOfFrame;
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if (addTrigger == DialogueTriggerEvent.OnStart) TryAddDatabases(null, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnStart) TryRemoveDatabases(null, onePerFrame);
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}
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public virtual void OnEnable()
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{
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if (addTrigger == DialogueTriggerEvent.OnEnable) TryAddDatabases(null, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnEnable) TryRemoveDatabases(null, onePerFrame);
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}
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public virtual void OnDisable()
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{
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if (addTrigger == DialogueTriggerEvent.OnDisable) TryAddDatabases(null, false); // Can't run coroutine when disabled.
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if (removeTrigger == DialogueTriggerEvent.OnDisable) TryRemoveDatabases(null, false);
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}
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public virtual void OnDestroy()
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{
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if (addTrigger == DialogueTriggerEvent.OnDestroy) TryAddDatabases(null, false); // Can't run coroutine when destroyed.
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if (removeTrigger == DialogueTriggerEvent.OnDestroy) TryRemoveDatabases(null, false);
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if (databaseInstances != null)
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{
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foreach (var databaseInstance in databaseInstances)
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{
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Destroy(databaseInstance);
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}
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}
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}
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public virtual void OnUse(Transform actor)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnUse) TryAddDatabases(actor, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnUse) TryRemoveDatabases(actor, onePerFrame);
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}
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public virtual void OnUse(string message)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnUse) TryAddDatabases(null, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnUse) TryRemoveDatabases(null, onePerFrame);
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}
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public virtual void OnUse()
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnUse) TryAddDatabases(null, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnUse) TryRemoveDatabases(null, onePerFrame);
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}
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public virtual void OnTriggerEnter(Collider other)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnTriggerEnter) TryAddDatabases(other.transform, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnTriggerEnter) TryRemoveDatabases(other.transform, onePerFrame);
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}
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public virtual void OnTriggerExit(Collider other)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnTriggerExit) TryAddDatabases(other.transform, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnTriggerExit) TryRemoveDatabases(other.transform, onePerFrame);
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}
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#if USE_PHYSICS2D || !UNITY_2018_1_OR_NEWER
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public virtual void OnTriggerEnter2D(Collider2D other)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnTriggerEnter) TryAddDatabases(other.transform, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnTriggerEnter) TryRemoveDatabases(other.transform, onePerFrame);
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}
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public virtual void OnTriggerExit2D(Collider2D other)
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{
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if (!enabled) return;
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if (addTrigger == DialogueTriggerEvent.OnTriggerExit) TryAddDatabases(other.transform, onePerFrame);
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if (removeTrigger == DialogueTriggerEvent.OnTriggerExit) TryRemoveDatabases(other.transform, onePerFrame);
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}
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#endif
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}
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} |