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ParticleEffectForUGUI
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fix #35; On prefab edit mode, unnecessary UIParticleOverlayCamera is generated in the scene

pull/77/head
mob-sakai 2019-01-15 15:49:39 +09:00
parent de3c3853a8
commit 9fe4cc7624
1 changed files with 44 additions and 0 deletions
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44
UIParticleOverlayCamera.cs
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@ -1,6 +1,9 @@
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
using PrefabStageUtility = UnityEditor.Experimental.SceneManagement.PrefabStageUtility;
#endif
namespace Coffee.UIExtensions
{
@ -20,6 +23,28 @@ namespace Coffee.UIExtensions
{
get
{
#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
// If current scene is prefab mode, create OverlayCamera for editor.
var prefabStage = PrefabStageUtility.GetCurrentPrefabStage ();
if (prefabStage != null && prefabStage.scene.isLoaded)
{
if (!s_InstanceForPrefabMode)
{
// This GameObject is not saved in prefab.
// This GameObject is not shown in the hierarchy view.
// When you exit prefab mode, this GameObject is destroyed automatically.
var go = new GameObject (typeof (UIParticleOverlayCamera).Name + "_ForEditor")
{
hideFlags = HideFlags.HideAndDontSave,
tag = "EditorOnly",
};
UnityEngine.SceneManagement.SceneManager.MoveGameObjectToScene (go, prefabStage.scene);
s_InstanceForPrefabMode = go.AddComponent<UIParticleOverlayCamera> ();
}
return s_InstanceForPrefabMode;
}
#endif
// Find instance in scene, or create new one.
if (object.ReferenceEquals (s_Instance, null))
{
@ -56,12 +81,24 @@ namespace Coffee.UIExtensions
Camera cameraForOvrelay { get { return m_Camera ? m_Camera : (m_Camera = GetComponent<Camera> ()) ? m_Camera : (m_Camera = gameObject.AddComponent<Camera> ()); } }
Camera m_Camera;
static UIParticleOverlayCamera s_Instance;
#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
static UIParticleOverlayCamera s_InstanceForPrefabMode;
#endif
/// <summary>
/// Awake is called when the script instance is being loaded.
/// </summary>
void Awake ()
{
#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
// OverlayCamera for editor.
if (hideFlags == HideFlags.HideAndDontSave || s_InstanceForPrefabMode == this)
{
s_InstanceForPrefabMode = GetComponent<UIParticleOverlayCamera> ();
return;
}
#endif
// Hold the instance.
if (s_Instance == null)
{
@ -100,6 +137,13 @@ namespace Coffee.UIExtensions
/// </summary>
void OnDestroy ()
{
#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
if (s_InstanceForPrefabMode == this)
{
s_InstanceForPrefabMode = null;
}
#endif
// Clear instance on destroy.
if (s_Instance == this)
{