75 lines
2.8 KiB
C#
75 lines
2.8 KiB
C#
using UnityEngine;
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using System;
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using UnityEditor;
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namespace Cinemachine.Editor
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{
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/// <summary>
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/// This class contains setting for the Impulse system. Specifically, it holds
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/// the Impulse Channel definitions. These work like Unity Layers, you can
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/// define and name them, and create masks to filter only the layers you want.
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/// </summary>
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[Serializable]
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public class CinemachineImpulseChannels : ScriptableObject
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{
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static CinemachineImpulseChannels sInstance = null;
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private static bool alreadySearched = false;
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/// <summary>Get the singleton instance of this object, or null if it doesn't exist</summary>
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public static CinemachineImpulseChannels InstanceIfExists
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{
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get
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{
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if (!alreadySearched)
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{
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alreadySearched = true;
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var guids = AssetDatabase.FindAssets("t:CinemachineImpulseChannels");
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for (int i = 0; i < guids.Length && sInstance == null; ++i)
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sInstance = AssetDatabase.LoadAssetAtPath<CinemachineImpulseChannels>(
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AssetDatabase.GUIDToAssetPath(guids[i]));
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}
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if (sInstance != null)
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sInstance.EnsureDefaultLayer();
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return sInstance;
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}
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}
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/// <summary>Get the singleton instance of this object. Creates asset if nonexistant</summary>
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public static CinemachineImpulseChannels Instance
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{
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get
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{
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if (InstanceIfExists == null)
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{
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string newAssetPath = EditorUtility.SaveFilePanelInProject(
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"Create Impulse Channel Definition asset", "CinemachineImpulseChannels", "asset",
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"This editor-only file will contain the Impulse channels for this project");
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if (!string.IsNullOrEmpty(newAssetPath))
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{
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sInstance = CreateInstance<CinemachineImpulseChannels>();
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AssetDatabase.CreateAsset(sInstance, newAssetPath);
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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}
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}
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if (sInstance != null)
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{
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sInstance.EnsureDefaultLayer();
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}
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return sInstance;
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}
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}
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// Make sure it has at least one layer in it
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void EnsureDefaultLayer()
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{
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if (ImpulseChannels == null || ImpulseChannels.Length == 0)
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ImpulseChannels = new string[] { "default" };
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}
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/// <summary>The currently-defined Impulse channel names</summary>
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public string[] ImpulseChannels;
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}
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}
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