feat: add asset update system from v4 to v5

.editorconfig

@@ -25,7 +25,6 @@ indent_size = 4
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-csharp_style_namespace_declarations = block_scoped
 csharp_style_implicit_object_creation_when_type_is_apparent = false
 resharper_object_creation_when_type_evident = explicitly_typed
 
@@ -87,9 +86,6 @@ csharp_style_var_elsewhere = true:suggestion
 dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
 dotnet_style_predefined_type_for_member_access = true:suggestion
 
-# 
-resharper_keep_existing_embedded_arrangement = true
-
 # Arguments
 csharp_arguments_literal = named:suggestion
 csharp_arguments_string_literal = named:suggestion
@@ -138,7 +134,7 @@ dotnet_naming_style._camel_case.capitalization = camel_case
 
 # Code style defaults
 dotnet_sort_system_directives_first = true
-csharp_preserve_single_line_statements = false
+csharp_preserve_single_line_statements = false:none
 csharp_prefer_static_local_function = true:suggestion
 csharp_prefer_simple_using_statement = false:none
 csharp_style_prefer_switch_expression = true:suggestion
@@ -190,7 +186,7 @@ csharp_space_after_dot = false
 csharp_space_after_keywords_in_control_flow_statements = true
 csharp_space_after_semicolon_in_for_statement = true
 csharp_space_around_binary_operators = before_and_after
-csharp_space_around_declaration_statements = false
+csharp_space_around_declaration_statements = do_not_ignore
 csharp_space_before_colon_in_inheritance_clause = true
 csharp_space_before_comma = false
 csharp_space_before_dot = false

.github/workflows/release.yml

@@ -4,9 +4,8 @@ on:
   workflow_dispatch:
   push:
     branches:
+      - preview
       - release
-      - release-preview
-      - release-v4
     tags-ignore:
       - "**"
 
@@ -23,8 +22,7 @@ jobs:
       released: ${{ steps.release.outputs.new_release_published }}
       tag: ${{ steps.release.outputs.new_release_git_tag }}
       version: ${{ steps.release.outputs.new_release_version }}
-      merge_to: ${{ steps.summary.outputs.merge_to }}
+      notes: ${{ steps.release.outputs.new_release_notes }}
-      split_to: ${{ steps.summary.outputs.split_to }}
     steps:
       - name: 🚚 Checkout (${{ github.ref_name }})
         uses: actions/checkout@v4
@@ -40,51 +38,37 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ github.token }}
 
-      - id: summary
+      - run: |
-        run: |
           echo "🔖 New release published: '${{ steps.release.outputs.new_release_published }}'" | tee -a $GITHUB_STEP_SUMMARY
           echo "🔖 New release version: '${{ steps.release.outputs.new_release_version }}'" | tee -a $GITHUB_STEP_SUMMARY
           echo "🔖 New release channel: '${{ steps.release.outputs.new_release_channel }}'" | tee -a $GITHUB_STEP_SUMMARY
           echo "🔖 New release git tag: '${{ steps.release.outputs.new_release_git_tag }}'" | tee -a $GITHUB_STEP_SUMMARY
-          
-          if [ '${{ steps.release.outputs.new_release_published }}' = 'false' ]; then
-            echo "No new release published." | tee -a $GITHUB_STEP_SUMMARY
-          elif [ '${{ github.ref_name }}' = 'release' ]; then
-            echo "merge_to=develop" | tee -a $GITHUB_OUTPUT
-            echo "split_to=main" | tee -a $GITHUB_OUTPUT
-          elif [ '${{ github.ref_name }}' = 'release-preview' ]; then
-            echo "merge_to=develop-preview" | tee -a $GITHUB_OUTPUT
-            echo "split_to=preview" | tee -a $GITHUB_OUTPUT
-          elif [ '${{ github.ref_name }}' = 'release-4.x' ]; then
-            echo "merge_to=develop-4.x" | tee -a $GITHUB_OUTPUT
-            echo "split_to=4.x" | tee -a $GITHUB_OUTPUT
-          fi
 
-  merge-to:
+  merge-to-develop:
-    if: needs.release.outputs.merge_to != ''
+    if: needs.release.outputs.released == 'true'
     needs: release
-    name: 🔀 Merge to ${{ needs.release.outputs.merge_to }}
+    name: 🔀 Merge to develop
     runs-on: ubuntu-latest
     permissions:
       contents: write
     steps:
-      - name: 🚚 Checkout (${{ needs.release.outputs.merge_to }})
+      - name: 🚚 Checkout (develop)
         uses: actions/checkout@v4
         with:
-          ref: ${{ needs.release.outputs.merge_to }}
+          ref: develop
           fetch-depth: 0
-      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into '${{ needs.release.outputs.merge_to }}'
+      - name: 🔀 Merge '${{ needs.release.outputs.tag }}' into 'develop'
         run: |
           git config --local user.email "github-actions[bot]@users.noreply.github.com"
           git config --local user.name "github-actions[bot]"
           
           git merge ${{ needs.release.outputs.tag }}
-          git push origin ${{ needs.release.outputs.merge_to }}
+          git push origin develop
 
-  split-to:
+  split-to-main:
-    if: needs.release.outputs.split_to != ''
+    if: needs.release.outputs.released == 'true'
     needs: release
-    name: 🔀 Split package to ${{ needs.release.outputs.split_to }}
+    name: 🔀 Split package
     runs-on: ubuntu-latest
     permissions:
       contents: write
@@ -94,10 +78,9 @@ jobs:
         with:
           ref: ${{ needs.release.outputs.tag }}
           fetch-depth: 0
-      - name: 🔀 Split subtree 'Packages/src' to '${{ needs.release.outputs.split_to }}'
+      - name: 🔀 Split subtree 'Packages/src' to 'main'
         run: |
-          split_to=${{ needs.release.outputs.split_to }}
+          git branch main origin/main
-          git branch $split_to origin/$split_to
+          git subtree split --prefix=Packages/src --branch main
-          git subtree split --prefix=Packages/src --branch $split_to
+          git tag ${{ needs.release.outputs.version }} main
-          git tag ${{ needs.release.outputs.version }} $split_to
+          git push origin ${{ needs.release.outputs.version }} main:main
-          git push origin ${{ needs.release.outputs.version }} $split_to:$split_to

.github/workflows/test.yml

@@ -15,8 +15,7 @@ on:
   push:
     branches:
       - develop
-      - develop-preview
+      - develop_v5
-      - develop-4.x
     tags:
       - "!*"
     paths-ignore:

.gitignore

@@ -28,4 +28,3 @@ Assets/Plugins/
 obj/
 bin/
 UserSettings/
-*.app

Assets/Demo/CustomView/UI-Cloud.mat

@@ -1,42 +0,0 @@
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-    - _StencilOp: 0
-    - _StencilReadMask: 255
-    - _StencilWriteMask: 255
-    - _UseUIAlphaClip: 0
-    m_Colors:
-    - _Color: {r: 1, g: 1, b: 1, a: 1}
-  m_BuildTextureStacks: []

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Assets/Demo/CustomView/UI-Color.shader

@@ -1,177 +0,0 @@
-Shader "UI/Color"
-{
-    Properties
-    {
-        _MainTex ("Main Texture", 2D) = "white" {}
-        _Color ("Tint", Color) = (1,1,1,1)
-        [KeywordEnum(Multipry, Additive, Subtract, Fill)] _ColorMode ("Color Mode", Int) = 0
-        [Enum(UnityEngine.Rendering.BlendMode)] _SrcBlend ("Src Blend Mode", Int) = 1
-        [Enum(UnityEngine.Rendering.BlendMode)] _DstBlend ("Dst Blend Mode", Int) = 10
-
-        _StencilComp ("Stencil Comparison", Float) = 8
-        _Stencil ("Stencil ID", Float) = 0
-        _StencilOp ("Stencil Operation", Float) = 0
-        _StencilWriteMask ("Stencil Write Mask", Float) = 255
-        _StencilReadMask ("Stencil Read Mask", Float) = 255
-
-        _ColorMask ("Color Mask", Float) = 15
-
-        [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
-    }
-
-    SubShader
-    {
-        Tags
-        {
-            "Queue"="Transparent"
-            "IgnoreProjector"="True"
-            "RenderType"="Transparent"
-            "PreviewType"="Plane"
-            "CanUseSpriteAtlas"="True"
-        }
-
-        Stencil
-        {
-            Ref [_Stencil]
-            Comp [_StencilComp]
-            Pass [_StencilOp]
-            ReadMask [_StencilReadMask]
-            WriteMask [_StencilWriteMask]
-        }
-
-        Cull Off
-        Lighting Off
-        ZWrite Off
-        ZTest [unity_GUIZTestMode]
-        Blend [_SrcBlend] [_DstBlend]
-        ColorMask [_ColorMask]
-
-        Pass
-        {
-            Name "Default"
-            CGPROGRAM
-            #pragma vertex vert
-            #pragma fragment frag
-            #pragma target 2.0
-
-            #include "UnityCG.cginc"
-            #include "UnityUI.cginc"
-
-            #pragma multi_compile_local _ UNITY_UI_CLIP_RECT
-            #pragma multi_compile_local _ UNITY_UI_ALPHACLIP
-
-            sampler2D _MainTex;
-            fixed4 _Color;
-            fixed4 _TextureSampleAdd;
-            float4 _ClipRect;
-            float4 _MainTex_ST;
-            float _UIMaskSoftnessX;
-            float _UIMaskSoftnessY;
-            int _UIVertexColorAlwaysGammaSpace;
-            int _ColorMode;
-
-            struct appdata_t
-            {
-                float4 vertex : POSITION;
-                float4 color : COLOR;
-                float2 texcoord : TEXCOORD0;
-                UNITY_VERTEX_INPUT_INSTANCE_ID
-            };
-
-            struct v2f
-            {
-                float4 vertex : SV_POSITION;
-                fixed4 color : COLOR;
-                float2 texcoord : TEXCOORD0;
-                float4 worldPosition : TEXCOORD1;
-                float4 mask : TEXCOORD2;
-                UNITY_VERTEX_OUTPUT_STEREO
-            };
-
-            v2f vert(appdata_t v)
-            {
-                v2f OUT;
-                UNITY_SETUP_INSTANCE_ID(v);
-                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
-                float4 vPosition = UnityObjectToClipPos(v.vertex);
-                OUT.worldPosition = v.vertex;
-                OUT.vertex = vPosition;
-
-                float2 pixelSize = vPosition.w;
-                pixelSize /= float2(1, 1) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
-
-                float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
-                float2 maskUV = (v.vertex.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
-                OUT.texcoord = TRANSFORM_TEX(v.texcoord.xy, _MainTex);
-                OUT.mask = float4(v.vertex.xy * 2 - clampedRect.xy - clampedRect.zw,
-                                  0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
-
-                if (_UIVertexColorAlwaysGammaSpace)
-                {
-                    if (!IsGammaSpace())
-                    {
-                        v.color.rgb = GammaToLinearSpace(v.color.rgb);
-                    }
-                }
-
-                OUT.color = v.color * _Color;
-                return OUT;
-            }
-
-            half4 apply_color(half4 color, const half4 factor, const int mode)
-            {
-                const half3 c = factor.rgb * color.a;
-                // Mode 1: Additive
-                if (mode == 1)
-                {
-                    color.rgb += c;
-                }
-                // Mode 2: Subtract
-                else if (mode == 2)
-                {
-                    color.rgb -= c;
-                }
-                // Mode 3: Replace
-                else if (mode == 3)
-                {
-                    color.rgb = c;
-                }
-                // Default: Multiply
-                else
-                {
-                    color.rgb *= c;
-                }
-
-                return color * factor.a;
-            }
-
-            fixed4 frag(v2f IN) : SV_Target
-            {
-                //Round up the alpha color coming from the interpolator (to 1.0/256.0 steps)
-                //The incoming alpha could have numerical instability, which makes it very sensible to
-                //HDR color transparency blend, when it blends with the world's texture.
-                const half alphaPrecision = half(0xff);
-                const half invAlphaPrecision = half(1.0 / alphaPrecision);
-                float2 uv = IN.texcoord;
-
-                IN.color.a = round(IN.color.a * alphaPrecision) * invAlphaPrecision;
-                half4 color = tex2D(_MainTex, uv) + _TextureSampleAdd;
-
-                #if UNITY_UI_CLIP_RECT
-                half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
-                color.a *= m.x * m.y;
-                #endif
-
-                #if UNITY_UI_ALPHACLIP
-                clip (color.a - 0.001);
-                #endif
-
-                // Apply color mode.
-                color = apply_color(color, IN.color, _ColorMode);
-
-                return color;
-            }
-            ENDCG
-        }
-    }
-}

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-  spritePackingTag: 
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Assets/Demo/CustomView/UI-StretchTrait.mat

@@ -1,42 +0,0 @@
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-  m_Shader: {fileID: 4800000, guid: 6b5e4f608f0684d10a4673a7e1cee0f3, type: 3}
-  m_ValidKeywords: []
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-  stringTagMap: {}
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-    m_TexEnvs:
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-        m_Scale: {x: 1, y: 1}
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-    m_Ints: []
-    m_Floats:
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-    - _StencilComp: 8
-    - _StencilOp: 0
-    - _StencilReadMask: 255
-    - _StencilWriteMask: 255
-    - _UseUIAlphaClip: 0
-    m_Colors:
-    - _Color: {r: 1, g: 1, b: 1, a: 1}
-  m_BuildTextureStacks: []

Assets/Demo/CustomView/UI-StretchTrait.mat.meta

@@ -1,8 +0,0 @@
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-guid: bce3318d54bae4f99a2cb35bd8c456b0
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 2100000
-  userData: 
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Assets/Demo/CustomView/UI-StretchTrait.png.meta

@@ -1,147 +0,0 @@
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-guid: 7d5844d14c31c4ca88cf5653c09ec1f3
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Assets/ProjectSettings/UIParticle.asset

@@ -1,15 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: f22a23b9d98e440478697f4adf30e61c, type: 3}
-  m_Name: UIParticle
-  m_EditorClassIdentifier: 
-  m_LinearToGamma: 1

Assets/ProjectSettings/UIParticle.asset.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: e8e7744b163af4869b07b8f192c810ed
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 11400000
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Packages/manifest.json

@@ -1,8 +1,9 @@
 {
   "dependencies": {
-    "com.unity.ide.rider": "3.0.31",
+    "com.unity.ide.rider": "3.0.27",
     "com.coffee.development": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/Development",
     "com.coffee.nano-monitor": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
+    "com.coffee.simple-scene-navigator": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/SceneNavigator",
     "com.coffee.sub-asset-editor": "https://github.com/mob-sakai/SubAssetEditor.git",
     "com.unity.test-framework": "1.1.33",
     "com.unity.modules.animation": "1.0.0",

Packages/packages-lock.json

@@ -5,7 +5,7 @@
       "depth": 0,
       "source": "git",
       "dependencies": {},
-      "hash": "7a8e5603ab8e9241c8e0f9d29da3a56dbf76ea85"
+      "hash": "41a1b604af8769b600d9c75db02ff35ec30611dc"
     },
     "com.coffee.nano-monitor": {
       "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/NanoMonitor",
@@ -14,7 +14,16 @@
       "dependencies": {
         "com.unity.ugui": "1.0.0"
       },
-      "hash": "7a8e5603ab8e9241c8e0f9d29da3a56dbf76ea85"
+      "hash": "41a1b604af8769b600d9c75db02ff35ec30611dc"
+    },
+    "com.coffee.simple-scene-navigator": {
+      "version": "https://github.com/mob-sakai/Coffee.Internal.git?path=Packages/SceneNavigator",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {
+        "com.unity.ugui": "1.0.0"
+      },
+      "hash": "41a1b604af8769b600d9c75db02ff35ec30611dc"
     },
     "com.coffee.sub-asset-editor": {
       "version": "https://github.com/mob-sakai/SubAssetEditor.git",
@@ -40,7 +49,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.ide.rider": {
-      "version": "3.0.31",
+      "version": "3.0.27",
       "depth": 0,
       "source": "registry",
       "dependencies": {

Packages/src/.releaserc.json

@@ -1,10 +1,9 @@
 {
   "branches": [
     "release",
-    "release-4.x",
     {
-      "name": "release-preview",
+      "name": "preview",
-      "prerelease": "preview"
+      "prerelease": true
     }
   ],
   "plugins": [

Packages/src/CHANGELOG.md

@@ -1,72 +1,3 @@
-# [5.0.0-preview.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.3...v5.0.0-preview.4) (2024-06-27)
-
-
-### Bug Fixes
-
-* generated baking-camera object remains in the prefab or scene (again) ([5babd6d](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/5babd6d07b2ac17341a29964baf552785cefd90e))
-* SetParticleSystemInstance/Prefab APIs destroy generated objects ([4b30c16](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4b30c16b9a48531873f9be91eec2a573370d17a1))
-
-
-### Features
-
-* add 'custom view' option. ([4252f11](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/4252f1199b8a7038a6fb447989534c512ec40283))
-* restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` (again) ([04232b6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/04232b67491e4506dbf84ce77c1dee7127936a3a))
-* the rendering order list in inspector is now more compact ([9212eaa](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/9212eaa84c85524c00f9228ff8ba887e028838dc))
-
-# [5.0.0-preview.3](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.2...v5.0.0-preview.3) (2024-06-21)
-
-
-### Bug Fixes
-
-* generated baking-camera object remains in the prefab or scene ([fd66928](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fd66928efe584aeb4f6347b9a9dca97d9512eb88))
-
-# [5.0.0-preview.2](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v5.0.0-preview.1...v5.0.0-preview.2) (2024-06-20)
-
-
-### Bug Fixes
-
-* 'Resource ID out of range in GetResource' error in overlay rendering mode ([ff78b6f](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/ff78b6fe32ceed8ddad50e63dcb7a202eab95266)), closes [#308](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/308)
-* `UIParticle.transform.localScale` does not scale particles ([491ee7b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/491ee7b0c3e528e1e577ae5ff2588d7c3bd8ecdb)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
-* despite not using the size module, particles become smaller based on their z position ([c96ddf2](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c96ddf293e855f7ebccaaaf3b112092955545e61)), closes [#316](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/316)
-* the ParticleSystem's localPosition drifts at certain scales due to floating-point precision issues ([a9c2b19](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/a9c2b19edf00e1c86c928ef23405906952ede852)), closes [#299](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/299) [#312](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/312)
-* UIParticle is scaled by canvas size even when `AutoScalingMode.None` and `ScalingMode.Local` ([63b24d8](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/63b24d8a8b478b3165733ece3eec524e88b28855)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
-* UIParticle is scaled incorrectly with nested canvases ([c95d8c6](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/c95d8c6b1774396ff252d13121ad32a3cab0fe5c)), closes [#313](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/313)
-
-
-### Features
-
-* remove overlay window (editor) ([fc3fbdd](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/fc3fbdd230595ad3471875ec6fec384a3dad0d17))
-* reset previous position on start play for world space simulation ([e741584](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/e7415845074143abae23e3ae7eedc767a01d020d)), closes [#303](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/303)
-* restore `Transform.localScale` when setting `autoScalingMode` to something other than `Transform` ([dfb94f4](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/dfb94f4badfb3035a4374579c53293460b4fd946))
-
-# [5.0.0-preview.1](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.6...v5.0.0-preview.1) (2024-05-23)
-
-
-### Features
-
-* add project settings for UIParticle ([b6e6185](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6e6185c521fef0f118f61cfdfdac07b87555c01))
-* change the default value of `UIParticle.scale` from `10` to `1` ([1b3c0f9](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/1b3c0f92dcc6a1974d1ea074821e5264200e9711)), closes [#310](https://github.com/mob-sakai/ParticleEffectForUGUI/issues/310)
-* UIParticle no longer inherits from MaskableGraphic ([b6d921b](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/b6d921b3e47f749b5028d22b0e89b6eb3a1af7de))
-
-
-### BREAKING CHANGES
-
-* Some members inherited from MaskableGraphic will no longer be available.
-
-## [4.6.6](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.5...v4.6.6) (2024-05-23)
-
-
-### Bug Fixes
-
-* fix release workflow ([30b0076](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/30b00762f6da166c043587798b1552f27b4cc604))
-
-## [4.6.5](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.4...v4.6.5) (2024-05-23)
-
-
-### Bug Fixes
-
-* update workflows (for preview and v4) ([3eab097](https://github.com/mob-sakai/ParticleEffectForUGUI/commit/3eab0979b9b85919b804442ab05735b7120eade5))
-
 ## [4.6.4](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v4.6.3...v4.6.4) (2024-05-22)
 
 

Packages/src/Editor/AnimatablePropertyEditor.cs

@@ -31,35 +31,35 @@ namespace Coffee.UIExtensions
             }
             else
             {
-                result.Aggregate(s_Sb, (a, b) =>
+                result.Aggregate(s_Sb, (a, b) => s_Sb.AppendFormat("{0}, ", b));
-                {
-                    s_Sb.Append(b);
-                    return s_Sb.Append(", ");
-                });
                 s_Sb.Length -= 2;
             }
 
             return s_Sb.ToString();
         }
 
-        public static void Draw(SerializedProperty sp, List<Material> mats)
+        public static void Draw(SerializedProperty sp, Material[] mats)
         {
-            var pos = EditorGUILayout.GetControlRect(true);
+            bool isClicked;
-            var label = new GUIContent(sp.displayName, sp.tooltip);
+            using (new EditorGUILayout.HorizontalScope(GUILayout.ExpandWidth(false)))
-            var rect = EditorGUI.PrefixLabel(pos, label);
+            {
-            var text = sp.hasMultipleDifferentValues
+                var pos = EditorGUILayout.GetControlRect(true);
-                ? "-"
+                var label = new GUIContent(sp.displayName, sp.tooltip);
-                : CollectActiveNames(sp, s_ActiveNames);
+                var rect = EditorGUI.PrefixLabel(pos, label);
+                var text = sp.hasMultipleDifferentValues
+                    ? "-"
+                    : CollectActiveNames(sp, s_ActiveNames);
+                isClicked = GUI.Button(rect, text, EditorStyles.popup);
+            }
 
-            if (!GUI.Button(rect, text, EditorStyles.popup)) return;
+            if (!isClicked) return;
 
             var gm = new GenericMenu();
-            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, x =>
+            gm.AddItem(s_ContentNothing, s_ActiveNames.Count == 0, () =>
             {
-                var current = (SerializedProperty)x;
+                sp.ClearArray();
-                current.ClearArray();
+                sp.serializedObject.ApplyModifiedProperties();
-                current.serializedObject.ApplyModifiedProperties();
+            });
-            }, sp);
 
             if (!sp.hasMultipleDifferentValues)
             {
@@ -73,7 +73,7 @@ namespace Coffee.UIExtensions
             }
 
             s_Names.Clear();
-            for (var j = 0; j < mats.Count; j++)
+            for (var j = 0; j < mats.Length; j++)
             {
                 var mat = mats[j];
                 if (!mat || !mat.shader) continue;
@@ -82,7 +82,8 @@ namespace Coffee.UIExtensions
                 {
                     var name = ShaderUtil.GetPropertyName(mat.shader, i);
                     var type = (AnimatableProperty.ShaderPropertyType)ShaderUtil.GetPropertyType(mat.shader, i);
-                    if (!s_Names.Add(name)) continue;
+                    if (s_Names.Contains(name)) continue;
+                    s_Names.Add(name);
 
                     AddMenu(gm, sp, new ShaderProperty(name, type), true);
 

Packages/src/Editor/AssetModification.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 1006234332be4f329fc1830319b31aaa
+timeCreated: 1704502465

Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs

@@ -0,0 +1,31 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_AbsoluteMode : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_AbsoluteMode) return false;
+
+            uip.m_AbsoluteMode = false;
+            uip.positionMode = UIParticle.PositionMode.Absolute;
+
+            if (!dryRun)
+            {
+                EditorUtility.SetDirty(uip);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticle.absoluteMode is obsolete. Use UIParticle.positionMode instead.\n";
+        }
+    }
+}

Packages/src/Editor/AssetModification/UIParticleComponentModifier_AbsoluteMode.cs.meta

@@ -1,5 +1,5 @@
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-guid: f22a23b9d98e440478697f4adf30e61c
+guid: d3378b5e701274218b04cb5588b8a3bd
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2

Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs

@@ -0,0 +1,36 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_AutoScaling : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_AutoScaling) return false;
+
+            uip.m_AutoScaling = false;
+            uip.autoScalingMode = UIParticle.AutoScalingMode.Transform;
+            uip.transform.localScale = Vector3.one;
+
+            if (!dryRun)
+            {
+                EditorUtility.SetDirty(uip);
+                EditorUtility.SetDirty(uip.transform);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return
+                "  -> UIParticle.ignoreCanvasScaler and UIParticle.autoScaling are obsolete." +
+                " Use UIParticle.autoScalingMode instead.\n";
+        }
+    }
+}

Packages/src/Editor/AssetModification/UIParticleComponentModifier_AutoScaling.cs.meta

@@ -0,0 +1,11 @@
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+guid: 3d6d0ca7ae8c641aa98b66fd91c05264
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Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs

@@ -0,0 +1,31 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+#pragma warning disable CS0612 // Type or member is obsolete
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleComponentModifier_IsTrail : ComponentModifier<UIParticle>
+    {
+        protected override bool ModifyComponent(UIParticle uip, bool dryRun)
+        {
+            if (!uip.m_IsTrail) return false;
+
+            if (!dryRun)
+            {
+                var go = uip.gameObject;
+                Object.DestroyImmediate(uip);
+                EditorUtility.SetDirty(go);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticle for trail is no longer needed. Removed.";
+        }
+    }
+}

Packages/src/Editor/AssetModification/UIParticleComponentModifier_IsTrail.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleModifierRunner : Runner
+    {
+        public UIParticleModifierRunner()
+            : base("UIParticle v5", new List<(string, Func<string, Modifier>)>
+            {
+                (".unity", x => new SceneModifier
+                {
+                    path = x,
+                    componentModifiers = new IComponentModifier[]
+                    {
+                        new UIParticleRendererComponentModifier(),
+                        new UIParticleComponentModifier_AutoScaling(),
+                        new UIParticleComponentModifier_AbsoluteMode(),
+                        new UIParticleComponentModifier_IsTrail()
+                    }
+                }),
+                (".prefab", x => new PrefabModifier
+                {
+                    path = x,
+                    componentModifiers = new IComponentModifier[]
+                    {
+                        new UIParticleRendererComponentModifier(),
+                        new UIParticleComponentModifier_AutoScaling(),
+                        new UIParticleComponentModifier_AbsoluteMode(),
+                        new UIParticleComponentModifier_IsTrail()
+                    }
+                })
+            })
+        {
+        }
+
+        [MenuItem("UIParticleModifierRunner/Run")]
+        private static void Run()
+        {
+            new UIParticleModifierRunner().RunIfUserWantsTo();
+        }
+    }
+}

Packages/src/Editor/AssetModification/UIParticleModifierRunner.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: edd678db452e49869caeca7e7d269e5d
+timeCreated: 1704502476

Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs

@@ -0,0 +1,29 @@
+using Coffee.UIExtensions;
+using Coffee.UIParticleInternal.AssetModification;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal
+{
+    internal class UIParticleRendererComponentModifier : ComponentModifier<UIParticleRenderer>
+    {
+        protected override bool ModifyComponent(UIParticleRenderer c, bool dryRun)
+        {
+            if (c.hideFlags.HasFlag(HideFlags.DontSave | HideFlags.NotEditable)) return false;
+
+            if (!dryRun)
+            {
+                var go = c.gameObject;
+                Object.DestroyImmediate(c);
+                EditorUtility.SetDirty(go);
+            }
+
+            return true;
+        }
+
+        public override string Report()
+        {
+            return "  -> UIParticleRenderer component is now auto-generated object. Remove them.\n";
+        }
+    }
+}

Packages/src/Editor/AssetModification/UIParticleRendererComponentModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal.meta

@@ -1,5 +1,5 @@
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Packages/src/Editor/Internal/AssetModification.meta

@@ -1,5 +1,6 @@
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Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class ComponentModifier<T> : IComponentModifier where T : Component
+    {
+        private static readonly List<T> s_Components = new List<T>();
+
+        public bool isModified { get; private set; }
+
+        public bool ModifyComponent(GameObject root, bool dryRun)
+        {
+            root.GetComponentsInChildren(true, s_Components);
+            foreach (var c in s_Components)
+            {
+                if (PrefabUtility.IsPartOfAnyPrefab(c.gameObject)) continue;
+
+                if (ModifyComponent(c, dryRun))
+                {
+                    isModified = true;
+                }
+            }
+
+            return isModified;
+        }
+
+        public abstract string Report();
+
+        protected abstract bool ModifyComponent(T component, bool dryRun);
+    }
+}

Packages/src/Editor/Internal/AssetModification/ComponentModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs

@@ -0,0 +1,43 @@
+using System.Linq;
+using System.Text;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class GameObjectModifier : Modifier
+    {
+        private static readonly StringBuilder s_ReportLog = new StringBuilder();
+        public IComponentModifier[] componentModifiers;
+
+        protected bool ModifyGameObject(GameObject root, bool dryRun)
+        {
+            foreach (var modifier in componentModifiers)
+            {
+                modifier.ModifyComponent(root, dryRun);
+            }
+
+            return componentModifiers.Any(x => x.isModified);
+        }
+
+        protected override string ModificationReport()
+        {
+            if (!hasUpgraded) return string.Empty;
+
+            s_ReportLog.Length = 0;
+            foreach (var componentModifier in componentModifiers)
+            {
+                if (componentModifier.isModified)
+                {
+                    s_ReportLog.Append(componentModifier.Report());
+                }
+            }
+
+            if (0 < s_ReportLog.Length)
+            {
+                s_ReportLog.Length--;
+            }
+
+            return s_ReportLog.ToString();
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/GameObjectModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs

@@ -0,0 +1,11 @@
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal interface IComponentModifier
+    {
+        bool isModified { get; }
+        bool ModifyComponent(GameObject root, bool dryRun);
+        string Report();
+    }
+}

Packages/src/Editor/Internal/AssetModification/IComponentModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/ITextModifier.cs

@@ -0,0 +1,9 @@
+using System.Text;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal interface ITextModifier
+    {
+        bool ModifyText(StringBuilder sb, string text);
+    }
+}

Packages/src/Editor/Internal/AssetModification/ITextModifier.cs.meta

@@ -0,0 +1,11 @@
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+guid: 2ad967b4f039b4deba09ed0c1401cf83
+MonoImporter:
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Packages/src/Editor/Internal/AssetModification/Modifier.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal abstract class Modifier
+    {
+        private string _error;
+        public string path;
+
+        protected abstract string id { get; }
+        protected bool hasUpgraded { private set; get; }
+
+        public void Modify(bool dryRun)
+        {
+            try
+            {
+                hasUpgraded = RunModify(dryRun);
+            }
+            catch (Exception e)
+            {
+                _error = e.Message;
+            }
+        }
+
+        public string GetModificationReport()
+        {
+            return !string.IsNullOrEmpty(_error)
+                ? $"<b><color=red>[{id} (Error)]</color> {path}</b> {_error}\n"
+                : hasUpgraded
+                    ? $"<b><color=green>[{id}]</color> {path}</b> {ModificationReport()}\n"
+                    : string.Empty;
+        }
+
+        protected abstract bool RunModify(bool dryRun);
+
+        protected virtual string ModificationReport()
+        {
+            return string.Empty;
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/Modifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs

@@ -0,0 +1,48 @@
+using System;
+using UnityEditor;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class PrefabModifier : GameObjectModifier
+    {
+        protected override string id => "Prefab";
+
+        protected override bool RunModify(bool dryRun)
+        {
+            using (var scope = new EditScope(path))
+            {
+                var changed = ModifyGameObject(scope.root, dryRun);
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            private readonly string _path;
+            public readonly GameObject root;
+
+            public EditScope(string path)
+            {
+                _path = path;
+                root = PrefabUtility.LoadPrefabContents(path);
+            }
+
+            public void Dispose()
+            {
+                PrefabUtility.UnloadPrefabContents(root);
+            }
+
+            public void Save()
+            {
+                PrefabUtility.SaveAsPrefabAsset(root, _path);
+            }
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/PrefabModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/Runner.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using UnityEditor;
+using UnityEditor.SceneManagement;
+using UnityEngine;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class Runner
+    {
+        private readonly List<(string ext, Func<string, Modifier> create)> _factory;
+        private readonly string _name;
+
+        protected Runner(string name, List<(string ext, Func<string, Modifier> create)> factory)
+        {
+            _name = name;
+            _factory = factory;
+        }
+
+        private Modifier CreateFromPath(string assetPath)
+        {
+            var ext = Path.GetExtension(assetPath);
+            return _factory
+                .FirstOrDefault(x => x.ext == ext)
+                .create?.Invoke(assetPath);
+        }
+
+        private Modifier[] GetModifiers(string[] assetPaths)
+        {
+            return assetPaths
+                .Where(x => x.StartsWith("Assets/", StringComparison.Ordinal))
+                .Select(CreateFromPath)
+                .Where(x => x != null)
+                .OrderBy(x => Path.GetExtension(x.path))
+                .ToArray();
+        }
+
+        public void RunIfUserWantsTo()
+        {
+            var select = EditorUtility.DisplayDialogComplex($"Upgrade {_name}",
+                "Upgrade all assets in this project?\n\n" +
+                "'Go Ahead': Upgrades all assets in this project using the old APIs. You should make a backup before proceeding.\n\n" +
+                "'Dry Run': Outputs the upgrade summary to the console without changing.", "I Made a Backup. Go Ahead!",
+                "No Thanks", "Dry Run");
+            if (select == 1) return;
+
+            if (!EditorSceneManager.SaveCurrentModifiedScenesIfUserWantsTo()) return;
+
+            var assetPaths = AssetDatabase.GetAllAssetPaths();
+            var dryRun = select == 2;
+            Run(assetPaths, dryRun);
+        }
+
+        public void Run(string[] assetPaths, bool dryRun)
+        {
+            var modifiers = GetModifiers(assetPaths);
+            var canceled = false;
+
+            try
+            {
+                AssetDatabase.StartAssetEditing();
+                EditorSceneManager.NewScene(NewSceneSetup.EmptyScene, NewSceneMode.Single);
+
+                for (var i = 0; i < modifiers.Length; i++)
+                {
+                    var percentage = (float)i / modifiers.Length;
+                    var m = modifiers[i];
+                    if (EditorUtility.DisplayCancelableProgressBar("Upgrading...", m.path, percentage))
+                    {
+                        canceled = true;
+                        break;
+                    }
+
+                    m.Modify(dryRun);
+                }
+            }
+            catch (Exception e)
+            {
+                Debug.LogException(e);
+            }
+            finally
+            {
+                var sb = new StringBuilder();
+                sb.Append(dryRun ? "<b>[DryRun]</b> " : "");
+                sb.AppendLine($"<b>Modify '{_name}' is {(canceled ? "canceled" : "completed")}.</b>");
+                sb.AppendLine("==== Modifications ====");
+                Debug.Log(modifiers.Aggregate(sb, (x, m) => x.Append(m.GetModificationReport())));
+                EditorUtility.ClearProgressBar();
+                AssetDatabase.StopAssetEditing();
+                AssetDatabase.Refresh();
+            }
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/Runner.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/SceneModifier.cs

@@ -0,0 +1,53 @@
+using System;
+using UnityEditor.SceneManagement;
+using UnityEngine.SceneManagement;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class SceneModifier : GameObjectModifier
+    {
+        protected override string id => "Scene";
+
+        protected override bool RunModify(bool dryRun)
+        {
+            using (var scope = new EditScope(path))
+            {
+                var changed = false;
+                foreach (var root in scope.scene.GetRootGameObjects())
+                {
+                    if (ModifyGameObject(root, dryRun))
+                    {
+                        changed = true;
+                    }
+                }
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            public readonly Scene scene;
+
+            public EditScope(string path)
+            {
+                scene = EditorSceneManager.OpenScene(path, OpenSceneMode.Additive);
+            }
+
+            public void Dispose()
+            {
+                EditorSceneManager.CloseScene(scene, true);
+            }
+
+            public void Save()
+            {
+                EditorSceneManager.SaveScene(scene);
+            }
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/SceneModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class TextAssetModifier : Modifier
+    {
+        public ITextModifier[] textModifiers;
+        protected override string id => "Text";
+        protected virtual string savePath => path;
+
+        protected override bool RunModify(bool dryRun)
+        {
+            var changed = false;
+            using (var scope = new EditScope(path, savePath))
+            {
+                foreach (var line in scope.lines)
+                {
+                    if (ModifyLine(scope.sb, line))
+                    {
+                        changed = true;
+                    }
+                    else
+                    {
+                        scope.sb.AppendLine(line);
+                    }
+                }
+
+                if (!dryRun && changed)
+                {
+                    scope.Save();
+                }
+
+                return changed;
+            }
+        }
+
+        private bool ModifyLine(StringBuilder sb, string line)
+        {
+            foreach (var modifier in textModifiers)
+            {
+                if (modifier.ModifyText(sb, line))
+                {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        private readonly struct EditScope : IDisposable
+        {
+            private static readonly StringBuilder s_File = new StringBuilder();
+            private readonly string _path;
+            private readonly string _savePath;
+            public IEnumerable<string> lines => File.ReadLines(_path);
+            public StringBuilder sb => s_File;
+
+            public EditScope(string path, string savePath)
+            {
+                s_File.Length = 0;
+                _path = path;
+                _savePath = savePath;
+            }
+
+            public void Dispose()
+            {
+            }
+
+            public void Save()
+            {
+                File.WriteAllText(_savePath, sb.ToString());
+            }
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/TextAssetModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs

@@ -0,0 +1,25 @@
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace Coffee.UIParticleInternal.AssetModification
+{
+    internal class TextReplaceModifier : ITextModifier
+    {
+        private readonly Regex _pattern;
+        private readonly string _replace;
+
+        public TextReplaceModifier(string pattern, string replace)
+        {
+            _pattern = new Regex(pattern);
+            _replace = replace;
+        }
+
+        public bool ModifyText(StringBuilder sb, string text)
+        {
+            if (!_pattern.IsMatch(text)) return false;
+
+            sb.AppendLine(_pattern.Replace(text, _replace));
+            return true;
+        }
+    }
+}

Packages/src/Editor/Internal/AssetModification/TextReplaceModifier.cs.meta

@@ -0,0 +1,11 @@
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Packages/src/Editor/UIParticleEditor.cs

@@ -2,23 +2,19 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text.RegularExpressions;
 using UnityEditor;
+using UnityEditor.UI;
 using UnityEditorInternal;
 using UnityEngine;
-using UnityEngine.Profiling;
 using UnityEngine.UI;
-
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.Overlays;
 #else
 using System;
 using System.Reflection;
-using Coffee.UIParticleInternal;
 using Object = UnityEngine.Object;
 #endif
-
 #if UNITY_2021_2_OR_NEWER
 using UnityEditor.SceneManagement;
-
 #elif UNITY_2018_3_OR_NEWER
 using UnityEditor.Experimental.SceneManagement;
 #endif
@@ -27,26 +23,43 @@ namespace Coffee.UIExtensions
 {
     [CustomEditor(typeof(UIParticle))]
     [CanEditMultipleObjects]
-    internal class UIParticleEditor : Editor
+    internal class UIParticleEditor : GraphicEditor
     {
+#if UNITY_2021_2_OR_NEWER
+#if UNITY_2022_1_OR_NEWER
+        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true,
+            defaultDockPosition = DockPosition.Bottom,
+            defaultDockZone = DockZone.Floating,
+            defaultLayout = Layout.Panel)]
+#else
+        [Overlay(typeof(SceneView), "Scene View/UI Particles", "UI Particles", true)]
+#endif
+        private class UIParticleOverlay : IMGUIOverlay, ITransientOverlay
+        {
+            public bool visible => s_SerializedObject != null;
+
+            public override void OnGUI()
+            {
+                if (visible)
+                {
+                    WindowFunction();
+                }
+            }
+        }
+#endif
+
         //################################
         // Constant or Static Members.
         //################################
-        private static readonly GUIContent[] s_ContentMaterials = new[]
-        {
-            new GUIContent("Material"),
-            new GUIContent("Trail Material")
-        };
-
         private static readonly GUIContent s_ContentRenderingOrder = new GUIContent("Rendering Order");
         private static readonly GUIContent s_ContentRefresh = new GUIContent("Refresh");
         private static readonly GUIContent s_ContentFix = new GUIContent("Fix");
+        private static readonly GUIContent s_ContentMaterial = new GUIContent("Material");
+        private static readonly GUIContent s_ContentTrailMaterial = new GUIContent("Trail Material");
         private static readonly GUIContent s_Content3D = new GUIContent("3D");
         private static readonly GUIContent s_ContentRandom = new GUIContent("Random");
         private static readonly GUIContent s_ContentScale = new GUIContent("Scale");
-        private static readonly GUIContent s_ContentPrimary = new GUIContent("Primary");
+        private static SerializedObject s_SerializedObject;
-        private static readonly Regex s_RegexBuiltInGuid = new Regex(@"^0{16}.0{15}$", RegexOptions.Compiled);
-        private static readonly List<Material> s_TempMaterials = new List<Material>();
         private static bool s_XYZMode;
 
         private SerializedProperty _maskable;
@@ -57,8 +70,6 @@ namespace Coffee.UIExtensions
         private SerializedProperty _groupMaxId;
         private SerializedProperty _positionMode;
         private SerializedProperty _autoScalingMode;
-        private SerializedProperty _useCustomView;
-        private SerializedProperty _customViewSize;
         private ReorderableList _ro;
         private bool _showMax;
 
@@ -76,14 +87,66 @@ namespace Coffee.UIExtensions
             "_ColorMask"
         };
 
+        [InitializeOnLoadMethod]
+        private static void Init()
+        {
+#if !UNITY_2021_2_OR_NEWER
+            var miSceneViewOverlayWindow = Type.GetType("UnityEditor.SceneViewOverlay, UnityEditor")
+                ?.GetMethods(BindingFlags.Public | BindingFlags.Static)
+                .First(x => x.Name == "Window" && 5 <= x.GetParameters().Length);
+            var windowFunction = (Action<Object, SceneView>)WindowFunction;
+            var windowFunctionType = Type.GetType("UnityEditor.SceneViewOverlay+WindowFunction, UnityEditor");
+            var windowFunctionDelegate = Delegate.CreateDelegate(windowFunctionType, windowFunction.Method);
+            var windowTitle = new GUIContent(ObjectNames.NicifyVariableName(nameof(UIParticle)));
+#if UNITY_2019_2_OR_NEWER
+            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option, EditorWindow window = null)
+            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2, null };
+#else
+            //public static void Window(GUIContent title, WindowFunction sceneViewFunc, int order, Object target, WindowDisplayOption option)
+            var sceneViewArgs = new object[] { windowTitle, windowFunctionDelegate, 599, null, 2 };
+#endif
+
+#if UNITY_2019_1_OR_NEWER
+            SceneView.duringSceneGui += _ =>
+#else
+            SceneView.onSceneGUIDelegate += _ =>
+#endif
+            {
+                if (s_SerializedObject != null)
+                {
+                    miSceneViewOverlayWindow.Invoke(null, sceneViewArgs);
+                }
+            };
+#endif
+
+            SerializedObject CreateSerializeObject()
+            {
+                var uiParticles = Selection.gameObjects.Select(x => x.GetComponent<ParticleSystem>())
+                    .Where(x => x)
+                    .Select(x => x.GetComponentInParent<UIParticle>(true))
+                    .Where(x => x && x.canvas)
+                    .Concat(Selection.gameObjects.Select(x => x.GetComponent<UIParticle>())
+                        .Where(x => x && x.canvas))
+                    .Distinct()
+                    .OfType<Object>()
+                    .ToArray();
+                return 0 < uiParticles.Length ? new SerializedObject(uiParticles) : null;
+            }
+
+            s_SerializedObject = CreateSerializeObject();
+            Selection.selectionChanged += () => s_SerializedObject = CreateSerializeObject();
+        }
+
         //################################
         // Public/Protected Members.
         //################################
         /// <summary>
         /// This function is called when the object becomes enabled and active.
         /// </summary>
-        private void OnEnable()
+        protected override void OnEnable()
         {
+            base.OnEnable();
+
             _maskable = serializedObject.FindProperty("m_Maskable");
             _scale3D = serializedObject.FindProperty("m_Scale3D");
             _animatableProperties = serializedObject.FindProperty("m_AnimatableProperties");
@@ -92,43 +155,31 @@ namespace Coffee.UIExtensions
             _groupMaxId = serializedObject.FindProperty("m_GroupMaxId");
             _positionMode = serializedObject.FindProperty("m_PositionMode");
             _autoScalingMode = serializedObject.FindProperty("m_AutoScalingMode");
-            _useCustomView = serializedObject.FindProperty("m_UseCustomView");
-            _customViewSize = serializedObject.FindProperty("m_CustomViewSize");
 
             var sp = serializedObject.FindProperty("m_Particles");
             _ro = new ReorderableList(sp.serializedObject, sp, true, true, true, true)
             {
-                elementHeightCallback = index =>
+                elementHeight = EditorGUIUtility.singleLineHeight * 3 + 4,
-                {
+                elementHeightCallback = _ => 3 * (EditorGUIUtility.singleLineHeight + 2),
-                    var ps = sp.GetArrayElementAtIndex(index).objectReferenceValue as ParticleSystem;
-                    var materialCount = 0;
-                    if (ps && ps.TryGetComponent<ParticleSystemRenderer>(out var psr))
-                    {
-                        materialCount = psr.sharedMaterials.Length;
-                    }
-
-                    return (materialCount + 1) * (EditorGUIUtility.singleLineHeight + 2);
-                },
                 drawElementCallback = (rect, index, _, __) =>
                 {
-                    rect.y += 2;
+                    EditorGUI.BeginDisabledGroup(sp.hasMultipleDifferentValues);
+                    rect.y += 1;
                     rect.height = EditorGUIUtility.singleLineHeight;
                     var p = sp.GetArrayElementAtIndex(index);
                     EditorGUI.ObjectField(rect, p, GUIContent.none);
-                    var ps = p.objectReferenceValue as ParticleSystem;
-                    if (!ps || !ps.TryGetComponent<ParticleSystemRenderer>(out var psr)) return;
-
                     rect.x += 15;
                     rect.width -= 15;
-                    var materials = new SerializedObject(psr).FindProperty("m_Materials");
+                    var ps = p.objectReferenceValue as ParticleSystem;
-                    var count = Mathf.Min(materials.arraySize, 2);
+                    var materials = ps
-                    for (var i = 0; i < count; i++)
+                        ? new SerializedObject(ps.GetComponent<ParticleSystemRenderer>()).FindProperty("m_Materials")
-                    {
+                        : null;
-                        rect.y += rect.height + 2;
+                    rect.y += rect.height + 1;
-                        EditorGUI.PropertyField(rect, materials.GetArrayElementAtIndex(i), s_ContentMaterials[i]);
+                    MaterialField(rect, s_ContentMaterial, materials, 0);
-                    }
+                    rect.y += rect.height + 1;
-
+                    MaterialField(rect, s_ContentTrailMaterial, materials, 1);
-                    if (materials.serializedObject.hasModifiedProperties)
+                    EditorGUI.EndDisabledGroup();
+                    if (materials != null && materials.serializedObject.hasModifiedProperties)
                     {
                         materials.serializedObject.ApplyModifiedProperties();
                     }
@@ -164,6 +215,20 @@ namespace Coffee.UIExtensions
             }
         }
 
+        private static void MaterialField(Rect rect, GUIContent label, SerializedProperty sp, int index)
+        {
+            if (sp == null || sp.arraySize <= index)
+            {
+                EditorGUI.BeginDisabledGroup(true);
+                EditorGUI.ObjectField(rect, label, null, typeof(Material), true);
+                EditorGUI.EndDisabledGroup();
+            }
+            else
+            {
+                EditorGUI.PropertyField(rect, sp.GetArrayElementAtIndex(index), label);
+            }
+        }
+
         /// <summary>
         /// Implement this function to make a custom inspector.
         /// </summary>
@@ -172,7 +237,6 @@ namespace Coffee.UIExtensions
             var current = target as UIParticle;
             if (!current) return;
 
-            Profiler.BeginSample("(UIP:E) OnInspectorGUI");
             serializedObject.Update();
 
             // Maskable
@@ -184,8 +248,13 @@ namespace Coffee.UIExtensions
             EditorGUI.EndDisabledGroup();
 
             // AnimatableProperties
-            current.GetMaterials(s_TempMaterials);
+            var mats = current.particles
-            AnimatablePropertyEditor.Draw(_animatableProperties, s_TempMaterials);
+                .Where(x => x)
+                .Select(x => x.GetComponent<ParticleSystemRenderer>().sharedMaterial)
+                .Where(x => x)
+                .ToArray();
+
+            AnimatablePropertyEditor.Draw(_animatableProperties, mats);
 
             // Mesh sharing
             EditorGUI.BeginChangeCheck();
@@ -193,12 +262,9 @@ namespace Coffee.UIExtensions
             if (EditorGUI.EndChangeCheck())
             {
                 serializedObject.ApplyModifiedProperties();
-                foreach (var t in targets)
+                foreach (var uip in targets.OfType<UIParticle>())
                 {
-                    if (t is UIParticle uip)
+                    uip.ResetGroupId();
-                    {
-                        uip.ResetGroupId();
-                    }
                 }
             }
 
@@ -206,29 +272,16 @@ namespace Coffee.UIExtensions
             EditorGUILayout.PropertyField(_positionMode);
 
             // Auto Scaling
-            EditorGUILayout.PropertyField(_autoScalingMode);
+            DrawAutoScaling(_autoScalingMode, targets.OfType<UIParticle>());
-
-            // Custom View Size
-            EditorGUILayout.PropertyField(_useCustomView);
-            EditorGUI.BeginChangeCheck();
-            EditorGUI.BeginDisabledGroup(!_useCustomView.boolValue);
-            EditorGUI.indentLevel++;
-            EditorGUILayout.PropertyField(_customViewSize);
-            EditorGUI.indentLevel--;
-            EditorGUI.EndDisabledGroup();
-            if (EditorGUI.EndChangeCheck())
-            {
-                _customViewSize.floatValue = Mathf.Max(0.1f, _customViewSize.floatValue);
-            }
 
             // Target ParticleSystems.
             EditorGUI.BeginChangeCheck();
+            EditorGUI.BeginDisabledGroup(targets.OfType<UIParticle>().Any(x => !x.canvas));
             _ro.DoLayoutList();
+            EditorGUI.EndDisabledGroup();
             serializedObject.ApplyModifiedProperties();
-
             if (EditorGUI.EndChangeCheck())
             {
-                EditorApplication.QueuePlayerLoopUpdate();
                 foreach (var uip in targets.OfType<UIParticle>())
                 {
                     uip.RefreshParticles(uip.particles);
@@ -236,8 +289,7 @@ namespace Coffee.UIExtensions
             }
 
             // Non-UI built-in shader is not supported.
-            Profiler.BeginSample("(UIP:E) Non-UI built-in shader is not supported.");
+            foreach (var mat in current.materials)
-            foreach (var mat in s_TempMaterials)
             {
                 if (!mat || !mat.shader) continue;
                 var shader = mat.shader;
@@ -250,18 +302,15 @@ namespace Coffee.UIExtensions
                 }
             }
 
-            Profiler.EndSample();
-
             // Does the shader support UI masks?
-            Profiler.BeginSample("(UIP:E) Does the shader support UI masks?");
             if (current.maskable && current.GetComponentInParent<Mask>(false))
             {
-                foreach (var mat in s_TempMaterials)
+                foreach (var mat in current.materials)
                 {
                     if (!mat || !mat.shader) continue;
                     var shader = mat.shader;
-                    if (!s_Shaders.Add(shader)) continue;
+                    if (s_Shaders.Contains(shader)) continue;
-
+                    s_Shaders.Add(shader);
                     foreach (var propName in s_MaskablePropertyNames)
                     {
                         if (mat.HasProperty(propName)) continue;
@@ -275,9 +324,7 @@ namespace Coffee.UIExtensions
                 }
             }
 
-            s_TempMaterials.Clear();
             s_Shaders.Clear();
-            Profiler.EndSample();
 
             // UIParticle for trail should be removed.
             var label = "This UIParticle component should be removed. The UIParticle for trails is no longer needed.";
@@ -316,15 +363,12 @@ namespace Coffee.UIExtensions
                 }
             }
 #endif
-            Profiler.EndSample();
-            EditorApplication.delayCall += () => Profiler.enabled = false;
         }
 
-        private static bool IsBuiltInObject(Object obj)
+        private bool IsBuiltInObject(Object obj)
         {
-            return AssetDatabase.IsMainAsset(obj)
+            return AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
-                   && AssetDatabase.TryGetGUIDAndLocalFileIdentifier(obj, out var guid, out long _)
+                   && Regex.IsMatch(guid, "^0{16}.0{15}$", RegexOptions.Compiled);
-                   && s_RegexBuiltInGuid.IsMatch(guid);
         }
 
 #if UNITY_2018 || UNITY_2019
@@ -418,7 +462,7 @@ namespace Coffee.UIExtensions
             {
                 EditorGUI.BeginDisabledGroup(true);
                 var obj = UIParticleUpdater.GetPrimary(spGroupId.intValue);
-                EditorGUILayout.ObjectField(s_ContentPrimary, obj, typeof(UIParticle), false);
+                EditorGUILayout.ObjectField("Primary", obj, typeof(UIParticle), false);
                 EditorGUI.EndDisabledGroup();
             }
 
@@ -428,16 +472,63 @@ namespace Coffee.UIExtensions
             return showMax;
         }
 
-        private static void DrawAutoScaling(SerializedProperty prop)
+        private static void DrawAutoScaling(SerializedProperty prop, IEnumerable<UIParticle> uiParticles)
         {
+            var isTransformMode = prop.intValue == (int)UIParticle.AutoScalingMode.Transform;
+            EditorGUI.BeginChangeCheck();
             EditorGUILayout.PropertyField(prop);
+            if (!EditorGUI.EndChangeCheck() || !isTransformMode) return;
+
+            // on changed true->false, reset scale.
+            EditorApplication.delayCall += () =>
+            {
+                foreach (var uip in uiParticles)
+                {
+                    if (!uip) continue;
+                    uip.transform.localScale = Vector3.one;
+                }
+            };
+        }
+
+#if UNITY_2021_2_OR_NEWER
+        private static void WindowFunction()
+#else
+        private static void WindowFunction(Object _, SceneView __)
+#endif
+        {
+            try
+            {
+                if (s_SerializedObject == null || !s_SerializedObject.targetObject) return;
+                var uiParticles = s_SerializedObject.targetObjects.OfType<UIParticle>().ToArray();
+                if (uiParticles.Any(x => !x || !x.canvas)) return;
+
+                s_SerializedObject.Update();
+                using (new EditorGUILayout.VerticalScope(GUILayout.Width(220f)))
+                {
+                    var labelWidth = EditorGUIUtility.labelWidth;
+                    EditorGUIUtility.labelWidth = 100;
+                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_Enabled"));
+                    s_XYZMode = DrawFloatOrVector3Field(s_SerializedObject.FindProperty("m_Scale3D"), s_XYZMode);
+                    EditorGUILayout.PropertyField(s_SerializedObject.FindProperty("m_PositionMode"));
+                    DrawAutoScaling(s_SerializedObject.FindProperty("m_AutoScalingMode"), uiParticles);
+                    EditorGUIUtility.labelWidth = labelWidth;
+                }
+
+                s_SerializedObject.ApplyModifiedProperties();
+            }
+            catch
+            {
+                // ignored
+            }
         }
 
         private void DestroyUIParticle(UIParticle p, bool ignoreCurrent = false)
         {
             if (!p || (ignoreCurrent && target == p)) return;
 
+            var cr = p.canvasRenderer;
             DestroyImmediate(p);
+            DestroyImmediate(cr);
 
 #if UNITY_2018_3_OR_NEWER
             var stage = PrefabStageUtility.GetCurrentPrefabStage();

Packages/src/LICENSE.md

@@ -1,4 +1,4 @@
-Copyright 2018-2024 mob-sakai
+Copyright 2018-2023 mob-sakai
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

Packages/src/README.md

@@ -1,4 +1,4 @@
-# <img alt="UIParticleIcon" src="https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/d76e105e-a840-4f61-a1f6-8cf311c0812d" width="26"/> Particle Effect For UGUI (UI Particle)
+# Particle Effect For UGUI (UI Particle)
 
 This package provides a component to render particle effects for uGUI in Unity 2018.2 or later.  
 The particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.
@@ -17,36 +17,45 @@ The particle rendering is maskable and sortable, without the need for an extra C
 
 ## 📝 Description
 
-![Demo](https://user-images.githubusercontent.com/12690315/41771577-8da4b968-7650-11e8-9524-cd162c422d9d.gif)
+![](https://user-images.githubusercontent.com/12690315/41771577-8da4b968-7650-11e8-9524-cd162c422d9d.gif)
 
-This package uses the new APIs `MeshBake/MeshTrailBake` (introduced in Unity 2018.2) to render particles through CanvasRenderer.  
+This package utilizes the new APIs `MeshBake/MashTrailBake` (introduced with Unity 2018.2) to render particles through
-You can render, mask, and sort your ParticleSystems for UI without the need for an additional Camera, RenderTexture, or Canvas.
+CanvasRenderer.  
+You can render, mask, and sort your ParticleSystems for UI without the necessity of an additional Camera, RenderTexture,
+or Canvas.
 
-### Key Features
+### Features
 
-* **Easy to use:** The package is ready to use out of the box.
+* Easy to use: The package is ready to use out of the box.
-* **Sortable:** Sort particle effects and other UI elements by sibling index.
+* Sort particle effects and other UI by sibling index.
-* **Maskable:** Supports `Mask` or `RectMask2D`.
+* No extra Camera, RenderTexture, or Canvas required.
-* **No extra components required:** No need for an additional `Camera`, `RenderTexture`, or `Canvas`.
+* Masking options for Mask or RectMask2D.
-* **Trail module support:** Fully supports the Trail module.
+* Support for the Trail module.
-* **CanvasGroup alpha support:** Integrates with `CanvasGroup` alpha.
+* Support for CanvasGroup alpha.
-* **No allocations:** Efficiently renders particles without allocations.
+* No allocations needed to render particles.
-* **Any canvas render mode support:** Works with overlay, camera space, and world space.
+* Compatibility with overlay, camera space, and world space.
-* **Any Render pipeline support:** Compatible with Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP).
+* Support for Universal Render Pipeline (URP) and High Definition Render Pipeline (HDRP).
-* **Disabling domain reload support:** Supports disabling `Enter Play Mode Options > Reload Domain`.
+* Support for disabling `Enter Play Mode Options > Reload Domain`.
-* **Animatable material properties:** Supports changing material properties with AnimationClip (AnimatableProperty).  
+* Support for changing material property with AnimationClip (AnimatableProperty).  
-  ![AnimatableProperty.gif](https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif)
+  ![AnimatableProperty.gif][AnimatableProperty.gif]
-* **Multiple materials:** Supports 8+ materials.
+* [4.0.0+] Support for 8+ materials.
-* **Correct positioning:** Adjusts world space particle positions correctly when changing window size for standalone platforms (Windows, MacOSX, and Linux).
+* [4.0.0+] Correct world space particle position adjustment when changing window size for standalone platforms (Windows,
-* **Adaptive scaling:** Provides adaptive scaling for UI (AutoScalingMode).
+  MacOSX, and Linux).
-* **Performance optimization:** Mesh sharing group to improve performance.  
+* [4.0.0+] Adaptive scaling for UI.
-  <img alt="MeshSharing.gif" src="https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif" width="450"/>
+* [4.0.0+] Mesh sharing group to improve performance.  
-* **Particle attractor:** Includes a particle attractor component.  
+  ![MeshSharing.gif][MeshSharing.gif]
-  <img alt="ParticleAttractor.gif" src="https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif" width="450"/>
+* [4.0.0+] Particle attractor component.  
-* **Emission position mode:** Supports relative/absolute particle emission position modes.  
+  ![ParticleAttractor.gif][ParticleAttractor.gif]
-  <img alt="AbsolutePosition.gif" src="https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif" width="450"/>
+* [4.1.0+] Relative/Absolute particle position mode.  
-* **Custom view size:** Fixes min/max particle size mismatch.  
+  ![AbsolutePosition.gif][AbsolutePosition.gif]
-  ![CustomViewSize.gif](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/dd929959-1a37-420b-b13d-e849022b9c9d)
+
+[AnimatableProperty.gif]: https://user-images.githubusercontent.com/12690315/53286323-2d94a980-37b0-11e9-8afb-c4a207805ff2.gif
+
+[MeshSharing.gif]: https://user-images.githubusercontent.com/12690315/174311048-c882df81-6c34-4eba-b0aa-5645457692f1.gif
+
+[ParticleAttractor.gif]: https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif
+
+[AbsolutePosition.gif]: https://user-images.githubusercontent.com/12690315/175751579-5a2357e8-2ecf-4afd-83c8-66e9771bde39.gif
 
 <br><br>
 
@@ -67,66 +76,44 @@ You can render, mask, and sort your ParticleSystems for UI without the need for
 
 [JMO]: https://assetstore.unity.com/publishers/1669
 
+
 <br><br>
 
 ## ⚙ Installation
 
-_This package requires **Unity 2018.3 or later**._
+_This package requires Unity 2018.3 or later._
 
 #### Install via OpenUPM
 
-- This package is available on [OpenUPM](https://openupm.com) package registry.
+This package is available on [OpenUPM](https://openupm.com) package registry.
-- This is the preferred method of installation, as you can easily receive updates as they're released.
+This is the preferred method of installation, as you can easily receive updates as they're released.
-- If you have [openupm-cli](https://github.com/openupm/openupm-cli) installed, then run the following command in your project's directory:
-  ```
-  openupm add com.coffee.ui-particle
-  ```
-- To update the package, use Package Manager UI (`Window > Package Manager`) or run the following command with `@{version}`:
-  ```
-  openupm add com.coffee.ui-particle@4.8.0
-  ```
 
-#### Install via UPM (with Package Manager UI)
+If you have [openupm-cli](https://github.com/openupm/openupm-cli) installed, then run the following command in your
+project's directory:
 
-- Click `Window > Package Manager` to open Package Manager UI.
+```sh
-- Click `+ > Add package from git URL...` and input the repository URL: `https://github.com/mob-sakai/ParticleEffectForUGUI.git`  
+openupm add com.coffee.ui-particle
-  ![](https://gist.github.com/assets/12690315/24af63ed-8a2e-483d-9023-7aa53d913330)
+```
-- To update the package, change suffix `#{version}` to the target version.
-  - e.g. `https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.8.0`
 
-#### Install via UPM (Manually)
+#### Install via UPM (using Git URL)
 
-- Open the `Packages/manifest.json` file in your project. Then add this package somewhere in the `dependencies` block:
+Navigate to your project's Packages folder and open the `manifest.json` file. Then add this package somewhere in
-  ```json
+the `dependencies` block:
-  {
+
-    "dependencies": {
+```json
-      "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
+{
-      ...
+  "dependencies": {
-    }
+    "com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git",
+    ...
   }
-  ```
+}
+```
 
-- To update the package, change suffix `#{version}` to the target version.
+To update the package, change suffix `#{version}` to the target version.
-  - e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.8.0",`
 
-#### Install as Embedded Package
+* e.g. `"com.coffee.ui-particle": "https://github.com/mob-sakai/ParticleEffectForUGUI.git#4.6.0",`
 
-1. Download a source code zip file from [Releases](https://github.com/mob-sakai/ParticleEffectForUGUI.git/releases) and extract it.
+Or, use [UpmGitExtension](https://github.com/mob-sakai/UpmGitExtension) to install and update the package.
-2. Place it in your project's `Packages` directory.  
-   ![](https://github.com/mob-sakai/mob-sakai/assets/12690315/0b7484b4-5fca-43b0-a9ef-e5dbd99bcdb4)
-- If you want to fix bugs or add features, install it as an embedded package.
-- To update the package, you need to re-download it and replace the contents.
-
-<br><br>
-
-## ⚙ Upgrading from 3.x/4.x to 5.x
-
-### Breaking Changes
-
-- The default value of `UIParticle.scale` has been changed from `10` to `1`.
-- `UIParticle` no longer inherits from `MaskableGraphic`.
-- Add project settings for UIParticle
-  - enableLinearToGamma: Enables LinearToGamma during mesh baking
 
 <br><br>
 
@@ -136,28 +123,19 @@ _This package requires **Unity 2018.3 or later**._
 
 `UIParticle` controls the ParticleSystems that are attached to its own game objects and child game objects.
 
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/1cf5753b-33fc-4cef-91c3-413c515a954f)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/3559df45-63e7-4c4c-9233-f455779efa29)
 
-- **Maskable**: Does this graphic allow maskable.
+- **Maskable**: Does this graphic allow masking.
-- **Scale**: Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
+- **Scale**: Scale the rendering. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.
 - **Animatable Properties**: If you want to update material properties (e.g., `_MainTex_ST`, `_Color`) in AnimationClip,
-  use this to mark as animatable.
+  use this to mark the changes.
 - **Mesh Sharing**: Particle simulation results are shared within the same group. A large number of the same effects can
   be displayed with a small load. When the `Random` toggle is enabled, it will be grouped randomly.
-  - **None:** Disable mesh sharing.
-  - **Auto:** Automatically select Primary/Replica.
-  - **Primary:** Provides particle simulation results to the same group.
-  - **Primary Simulator:** Primary, but do not render the particle (simulation only).
-  - **Replica:** Render simulation results provided by the primary.
 - **Position Mode**: Emission position mode.
-  - **Absolute:** The particles will be emitted from the world position.
+    - **Absolute:** Emit from the world position of the `ParticleSystem`.
-  - **Relative:** The particles will be emitted from the scaled position.
+    - **Relative:** Emit from the scaled position of the `ParticleSystem`.
-- **Auto Scaling Mode**: How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.
+- **Auto Scaling**: `Transform.lossyScale` (=world scale) will be set to `(1, 1, 1)` on update. It prevents the
-  - **None:** Do nothing.
+  root-Canvas scale from affecting the hierarchy-scaled `ParticleSystem`.
-  - **Transform:** Transform.lossyScale (=world scale) will be set to (1, 1, 1).
-  - **UIParticle:** UIParticle.scale will be adjusted.
-- **Use Custom View:** Use this if the particles are not displayed correctly due to min/max particle size.
-  - **Custom view size:** Change the bake view size.
 - **Rendering Order**: The ParticleSystem list to be rendered. You can change the order and the materials.
 
 **NOTE:** Press the `Refresh` button to reconstruct the rendering order based on children ParticleSystem's sorting order
@@ -198,10 +176,9 @@ section.
 ### Script usage
 
 ```cs
-// Instantiate ParticleSystem prefab with UIParticle on runtime.
+// Instant ParticleSystem prefab with UIParticle on runtime.
 var go = GameObject.Instantiate(prefab);
 var uiParticle = go.AddComponent<UIParticle>();
-uiParticle.scale = 100;
 
 // Control by ParticleSystem.
 particleSystem.Play();
@@ -218,7 +195,7 @@ uiParticle.Stop();
 
 `UIParticleAttractor` attracts particles generated by the specified ParticleSystem.
 
-![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/5c20ad73-4b9a-4f38-9cdc-119df5cce077)
+![](https://github.com/mob-sakai/ParticleEffectForUGUI/assets/12690315/ea6ae0ed-f9a8-437c-8baa-47526303391e)  
 ![](https://user-images.githubusercontent.com/12690315/174311027-462929a4-13f0-4ec4-86ea-9c832f2eecf1.gif)
 
 - **Particle System**: Attracts particles generated by the specified particle system.

Packages/src/Runtime/Internal/Extensions/ComponentExtensions.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using UnityEditor;
 using UnityEngine;
 using UnityEngine.Profiling;
@@ -12,48 +11,6 @@ namespace Coffee.UIParticleInternal
     /// </summary>
     internal static class ComponentExtensions
     {
-        /// <summary>
-        /// Get components in children of a specific type in the hierarchy of a GameObject.
-        /// </summary>
-        public static T[] GetComponentsInChildren<T>(this Component self, int depth)
-            where T : Component
-        {
-            var results = ListPool<T>.Rent();
-            self.GetComponentsInChildren_Internal(results, depth);
-            var array = results.ToArray();
-            ListPool<T>.Return(ref results);
-            return array;
-        }
-
-        /// <summary>
-        /// Get components in children of a specific type in the hierarchy of a GameObject.
-        /// </summary>
-        public static void GetComponentsInChildren<T>(this Component self, List<T> results, int depth)
-            where T : Component
-        {
-            results.Clear();
-            self.GetComponentsInChildren_Internal(results, depth);
-        }
-
-        private static void GetComponentsInChildren_Internal<T>(this Component self, List<T> results, int depth)
-            where T : Component
-        {
-            if (!self || results == null || depth < 0) return;
-
-            var tr = self.transform;
-            if (tr.TryGetComponent<T>(out var t))
-            {
-                results.Add(t);
-            }
-
-            if (depth - 1 < 0) return;
-            var childCount = tr.childCount;
-            for (var i = 0; i < childCount; i++)
-            {
-                tr.GetChild(i).GetComponentsInChildren_Internal(results, depth - 1);
-            }
-        }
-
         /// <summary>
         /// Get or add a component of a specific type to a GameObject.
         /// </summary>

Packages/src/Runtime/Internal/Utilities/FastAction.cs

@@ -20,7 +20,6 @@ namespace Coffee.UIParticleInternal
         /// </summary>
         public void Add(T rhs)
         {
-            if (rhs == null) return;
             Profiler.BeginSample("(COF)[FastAction] Add Action");
             var node = s_NodePool.Rent();
             node.Value = rhs;
@@ -33,7 +32,6 @@ namespace Coffee.UIParticleInternal
         /// </summary>
         public void Remove(T rhs)
         {
-            if (rhs == null) return;
             Profiler.BeginSample("(COF)[FastAction] Remove Action");
             var node = _delegates.Find(rhs);
             if (node != null)
@@ -65,11 +63,6 @@ namespace Coffee.UIParticleInternal
                 node = node.Next;
             }
         }
-
-        public void Clear()
-        {
-            _delegates.Clear();
-        }
     }
 
     /// <summary>

Packages/src/Runtime/Internal/Utilities/Logging.cs

@@ -1,12 +1,11 @@
 using System;
 using System.Text;
 using UnityEngine;
+using Conditional = System.Diagnostics.ConditionalAttribute;
 using Object = UnityEngine.Object;
 #if ENABLE_COFFEE_LOGGER
 using System.Reflection;
 using System.Collections.Generic;
-#else
-using Conditional = System.Diagnostics.ConditionalAttribute;
 #endif
 
 namespace Coffee.UIParticleInternal

Packages/src/Runtime/Internal/Utilities/MaterialRepository.cs

@@ -42,34 +42,6 @@ namespace Coffee.UIParticleInternal
             Profiler.EndSample();
         }
 
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get(Hash128 hash, ref Material material, string shaderName)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x))
-            {
-                hideFlags = HideFlags.DontSave | HideFlags.NotEditable
-            }, shaderName);
-            Profiler.EndSample();
-        }
-
-
-        /// <summary>
-        /// Adds or retrieves a cached material based on the hash.
-        /// </summary>
-        public static void Get(Hash128 hash, ref Material material, string shaderName, string[] keywords)
-        {
-            Profiler.BeginSample("(COF)[MaterialRepository] Get");
-            s_Repository.Get(hash, ref material, x => new Material(Shader.Find(x.shaderName))
-            {
-                hideFlags = HideFlags.DontSave | HideFlags.NotEditable,
-                shaderKeywords = x.keywords
-            }, (shaderName, keywords));
-            Profiler.EndSample();
-        }
-
         /// <summary>
         /// Adds or retrieves a cached material based on the hash.
         /// </summary>

Packages/src/Runtime/Internal/Utilities/UIExtraCallbacks.cs

@@ -64,12 +64,11 @@ namespace Coffee.UIParticleInternal
 
 #if UNITY_EDITOR
         [InitializeOnLoadMethod]
-#endif
+#else
         [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
+#endif
         private static void InitializeOnLoad()
         {
-            Canvas.willRenderCanvases -= OnAfterCanvasRebuild;
-            s_IsInitializedAfterCanvasRebuild = false;
         }
 
         /// <summary>

Packages/src/Runtime/UIParticle.cs

@@ -6,6 +6,7 @@ using UnityEngine;
 using UnityEngine.EventSystems;
 using UnityEngine.Rendering;
 using UnityEngine.Serialization;
+using UnityEngine.UI;
 using Random = UnityEngine.Random;
 
 [assembly: InternalsVisibleTo("Coffee.UIParticle.Editor")]
@@ -18,7 +19,7 @@ namespace Coffee.UIExtensions
     [ExecuteAlways]
     [RequireComponent(typeof(RectTransform))]
     [RequireComponent(typeof(CanvasRenderer))]
-    public class UIParticle : UIBehaviour, ISerializationCallbackReceiver
+    public class UIParticle : MaskableGraphic, ISerializationCallbackReceiver
     {
         public enum AutoScalingMode
         {
@@ -44,26 +45,23 @@ namespace Coffee.UIExtensions
 
         [HideInInspector]
         [SerializeField]
-        [Obsolete]
         internal bool m_IsTrail;
 
         [HideInInspector]
         [FormerlySerializedAs("m_IgnoreParent")]
         [SerializeField]
-        [Obsolete]
         private bool m_IgnoreCanvasScaler;
 
         [HideInInspector]
         [SerializeField]
-        [Obsolete]
+        private bool m_AbsoluteMode;
-        internal bool m_AbsoluteMode;
 
-        [Tooltip("Scale the rendering particles. When the `3D` toggle is enabled, 3D scale (x, y, z) is supported.")]
+        [Tooltip("Particle effect scale")]
         [SerializeField]
-        private Vector3 m_Scale3D = new Vector3(1, 1, 1);
+        private Vector3 m_Scale3D = new Vector3(10, 10, 10);
 
-        [Tooltip("If you want to update material properties (e.g. _MainTex_ST, _Color) in AnimationClip, " +
+        [Tooltip("Animatable material properties.\n" +
-                 "use this to mark as animatable.")]
+                 "If you want to change the material properties of the ParticleSystem in Animation, enable it.")]
         [SerializeField]
         internal AnimatableProperty[] m_AnimatableProperties = new AnimatableProperty[0];
 
@@ -71,13 +69,12 @@ namespace Coffee.UIExtensions
         [SerializeField]
         private List<ParticleSystem> m_Particles = new List<ParticleSystem>();
 
-        [Tooltip("Particle simulation results are shared within the same group. " +
+        [Tooltip("Mesh sharing.\n" +
-                 "A large number of the same effects can be displayed with a small load.\n" +
+                 "None: disable mesh sharing.\n" +
-                 "None: Disable mesh sharing.\n" +
+                 "Auto: automatically select Primary/Replica.\n" +
-                 "Auto: Automatically select Primary/Replica.\n" +
+                 "Primary: provides particle simulation results to the same group.\n" +
-                 "Primary: Provides particle simulation results to the same group.\n" +
                  "Primary Simulator: Primary, but do not render the particle (simulation only).\n" +
-                 "Replica: Render simulation results provided by the primary.")]
+                 "Replica: render simulation results provided by the primary.")]
         [SerializeField]
         private MeshSharing m_MeshSharing = MeshSharing.None;
 
@@ -89,81 +86,36 @@ namespace Coffee.UIExtensions
         [SerializeField]
         private int m_GroupMaxId;
 
-        [Tooltip("Emission position mode.\n" +
+        [Tooltip("Relative: The particles will be emitted from the scaled position of ParticleSystem.\n" +
-                 "Relative: The particles will be emitted from the scaled position.\n" +
+                 "Absolute: The particles will be emitted from the world position of ParticleSystem.")]
-                 "Absolute: The particles will be emitted from the world position.")]
         [SerializeField]
         private PositionMode m_PositionMode = PositionMode.Relative;
 
         [SerializeField]
-        [Obsolete]
+        [Tooltip("Prevent the root-Canvas scale from affecting the hierarchy-scaled ParticleSystem.")]
-        internal bool m_AutoScaling;
+        private bool m_AutoScaling = true;
 
         [SerializeField]
-        [Tooltip(
+        [Tooltip("Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1)." +
-            "How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.\n" +
+                 "UIParticle: UIParticle.scale will be adjusted.")]
-            "None: Do nothing.\n" +
-            "Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1).\n" +
-            "UIParticle: UIParticle.scale will be adjusted.")]
         private AutoScalingMode m_AutoScalingMode = AutoScalingMode.Transform;
 
-        [SerializeField]
-        [Tooltip("Use a custom view.\n" +
-                 "Use this if the particles are not displayed correctly due to min/max particle size.")]
-        private bool m_UseCustomView;
-
-        [SerializeField]
-        [Tooltip("Custom view size.\n" +
-                 "Change the bake view size.")]
-        private float m_CustomViewSize = 10;
-
-        [SerializeField]
-        private bool m_Maskable = true;
-
         private readonly List<UIParticleRenderer> _renderers = new List<UIParticleRenderer>();
-        private Camera _bakeCamera;
-        private Canvas _canvas;
         private int _groupId;
-        private bool _isScaleStored;
+        private Camera _orthoCamera;
-        private Vector3 _storedScale;
         private DrivenRectTransformTracker _tracker;
 
-        public RectTransform rectTransform => transform as RectTransform;
-
-        public Canvas canvas
-        {
-            get
-            {
-                if (_canvas) return _canvas;
-
-                var tr = transform;
-                while (tr && !_canvas)
-                {
-                    if (tr.TryGetComponent(out _canvas)) return _canvas;
-                    tr = tr.parent;
-                }
-
-                return null;
-            }
-        }
-
         /// <summary>
-        /// Does this graphic allow masking.
+        /// Should this graphic be considered a target for ray-casting?
         /// </summary>
-        public bool maskable
+        public override bool raycastTarget
         {
-            get => m_Maskable;
+            get => false;
-            set
+            set { }
-            {
-                if (value == m_Maskable) return;
-                m_Maskable = value;
-                UpdateRendererMaterial();
-            }
         }
 
         /// <summary>
-        /// Particle simulation results are shared within the same group.
+        /// Mesh sharing.
-        /// A large number of the same effects can be displayed with a small load.
         /// None: disable mesh sharing.
         /// Auto: automatically select Primary/Replica.
         /// Primary: provides particle simulation results to the same group.
@@ -206,9 +158,9 @@ namespace Coffee.UIExtensions
         }
 
         /// <summary>
-        /// Emission position mode.
+        /// Particle position mode.
-        /// Relative: The particles will be emitted from the scaled position.
+        /// Relative: The particles will be emitted from the scaled position of the ParticleSystem.
-        /// Absolute: The particles will be emitted from the world position.
+        /// Absolute: The particles will be emitted from the world position of the ParticleSystem.
         /// </summary>
         public PositionMode positionMode
         {
@@ -221,7 +173,6 @@ namespace Coffee.UIExtensions
         /// Relative: The particles will be emitted from the scaled position of the ParticleSystem.
         /// Absolute: The particles will be emitted from the world position of the ParticleSystem.
         /// </summary>
-        [Obsolete("The absoluteMode is now obsolete. Please use the autoScalingMode instead.", false)]
         public bool absoluteMode
         {
             get => m_PositionMode == PositionMode.Absolute;
@@ -239,12 +190,8 @@ namespace Coffee.UIExtensions
         }
 
         /// <summary>
-        /// How to automatically adjust when the Canvas scale is changed by the screen size or reference resolution.
+        /// Auto scaling mode.
-        /// <para/>
-        /// None: Do nothing.
-        /// <para/>
         /// Transform: Transform.lossyScale (=world scale) will be set to (1, 1, 1).
-        /// <para/>
         /// UIParticle: UIParticle.scale will be adjusted.
         /// </summary>
         public AutoScalingMode autoScalingMode
@@ -254,35 +201,10 @@ namespace Coffee.UIExtensions
             {
                 if (m_AutoScalingMode == value) return;
                 m_AutoScalingMode = value;
-
+                UpdateTracker();
-                if (autoScalingMode != AutoScalingMode.Transform && _isScaleStored)
-                {
-                    transform.localScale = _storedScale;
-                    _isScaleStored = false;
-                }
             }
         }
 
-        /// <summary>
-        /// Use a custom view.
-        /// Use this if the particles are not displayed correctly due to min/max particle size.
-        /// </summary>
-        public bool useCustomView
-        {
-            get => m_UseCustomView;
-            set => m_UseCustomView = value;
-        }
-
-        /// <summary>
-        /// Custom view size.
-        /// Change the bake view size.
-        /// </summary>
-        public float customViewSize
-        {
-            get => m_CustomViewSize;
-            set => m_CustomViewSize = Mathf.Max(0.1f, value);
-        }
-
         internal bool useMeshSharing => m_MeshSharing != MeshSharing.None;
 
         internal bool isPrimary =>
@@ -322,12 +244,30 @@ namespace Coffee.UIExtensions
         /// <summary>
         /// Particle effect scale.
         /// </summary>
-        public Vector3 scale3DForCalc => autoScalingMode == AutoScalingMode.Transform
+        public Vector3 scale3DForCalc => autoScalingMode == AutoScalingMode.UIParticle
-            ? m_Scale3D
+            ? m_Scale3D.GetScaled(canvasScale)
-            : m_Scale3D.GetScaled(canvasScale, transform.localScale);
+            : m_Scale3D;
 
         public List<ParticleSystem> particles => m_Particles;
 
+        /// <summary>
+        /// Get all base materials to render.
+        /// </summary>
+        public IEnumerable<Material> materials
+        {
+            get
+            {
+                for (var i = 0; i < _renderers.Count; i++)
+                {
+                    var r = _renderers[i];
+                    if (!r || !r.material) continue;
+                    yield return r.material;
+                }
+            }
+        }
+
+        public override Material materialForRendering => null;
+
         /// <summary>
         /// Paused.
         /// </summary>
@@ -335,15 +275,15 @@ namespace Coffee.UIExtensions
 
         public Vector3 parentScale { get; private set; }
 
-        private Vector3 canvasScale { get; set; }
+        public Vector3 canvasScale { get; private set; }
 
         protected override void OnEnable()
         {
-            _isScaleStored = false;
             ResetGroupId();
+            UpdateTracker();
             UIParticleUpdater.Register(this);
+            RegisterDirtyMaterialCallback(UpdateRendererMaterial);
 
-            //
             if (0 < particles.Count)
             {
                 RefreshParticles(particles);
@@ -353,7 +293,7 @@ namespace Coffee.UIExtensions
                 RefreshParticles();
             }
 
-            UpdateRendererMaterial();
+            base.OnEnable();
         }
 
         /// <summary>
@@ -361,24 +301,12 @@ namespace Coffee.UIExtensions
         /// </summary>
         protected override void OnDisable()
         {
-            _tracker.Clear();
+            UpdateTracker();
-            if (autoScalingMode == AutoScalingMode.Transform && _isScaleStored)
-            {
-                transform.localScale = _storedScale;
-            }
-
-            _isScaleStored = false;
             UIParticleUpdater.Unregister(this);
             _renderers.ForEach(r => r.Reset());
-            _canvas = null;
+            UnregisterDirtyMaterialCallback(UpdateRendererMaterial);
-        }
 
-        /// <summary>
+            base.OnDisable();
-        /// Called when the state of the parent Canvas is changed.
-        /// </summary>
-        protected override void OnCanvasHierarchyChanged()
-        {
-            _canvas = null;
         }
 
         /// <summary>
@@ -388,13 +316,13 @@ namespace Coffee.UIExtensions
         {
         }
 
-        /// <summary>
+#if UNITY_EDITOR
-        /// This function is called when a direct or indirect parent of the transform of the GameObject has changed.
+        protected override void OnValidate()
-        /// </summary>
-        protected override void OnTransformParentChanged()
         {
-            _canvas = null;
+            base.OnValidate();
+            UpdateTracker();
         }
+#endif
 
         void ISerializationCallbackReceiver.OnBeforeSerialize()
         {
@@ -402,7 +330,6 @@ namespace Coffee.UIExtensions
 
         void ISerializationCallbackReceiver.OnAfterDeserialize()
         {
-#pragma warning disable CS0612 // Type or member is obsolete
             if (m_IgnoreCanvasScaler || m_AutoScaling)
             {
                 m_IgnoreCanvasScaler = false;
@@ -415,47 +342,31 @@ namespace Coffee.UIExtensions
                 m_AbsoluteMode = false;
                 m_PositionMode = PositionMode.Absolute;
             }
-#pragma warning restore CS0612 // Type or member is obsolete
         }
 
-        /// <summary>
-        /// Play the ParticleSystems.
-        /// </summary>
         public void Play()
         {
             particles.Exec(p => p.Simulate(0, false, true));
             isPaused = false;
         }
 
-        /// <summary>
-        /// Pause the ParticleSystems.
-        /// </summary>
         public void Pause()
         {
             particles.Exec(p => p.Pause());
             isPaused = true;
         }
 
-        /// <summary>
-        /// Unpause the ParticleSystems.
-        /// </summary>
         public void Resume()
         {
             isPaused = false;
         }
 
-        /// <summary>
-        /// Stop the ParticleSystems.
-        /// </summary>
         public void Stop()
         {
             particles.Exec(p => p.Stop());
             isPaused = true;
         }
 
-        /// <summary>
-        /// Start emission of the ParticleSystems.
-        /// </summary>
         public void StartEmission()
         {
             particles.Exec(p =>
@@ -465,9 +376,6 @@ namespace Coffee.UIExtensions
             });
         }
 
-        /// <summary>
-        /// Stop emission of the ParticleSystems.
-        /// </summary>
         public void StopEmission()
         {
             particles.Exec(p =>
@@ -477,52 +385,24 @@ namespace Coffee.UIExtensions
             });
         }
 
-        /// <summary>
-        /// Clear the particles of the ParticleSystems.
-        /// </summary>
         public void Clear()
         {
             particles.Exec(p => p.Clear());
             isPaused = true;
         }
 
-        /// <summary>
-        /// Get all base materials to render.
-        /// </summary>
-        public void GetMaterials(List<Material> result)
-        {
-            if (result == null) return;
-
-            for (var i = 0; i < _renderers.Count; i++)
-            {
-                var r = _renderers[i];
-                if (!r || !r.material) continue;
-                result.Add(r.material);
-            }
-        }
-
-        /// <summary>
-        /// Refresh UIParticle using the ParticleSystem instance.
-        /// </summary>
         public void SetParticleSystemInstance(GameObject instance)
         {
             SetParticleSystemInstance(instance, true);
         }
 
-        /// <summary>
-        /// Refresh UIParticle using the ParticleSystem instance.
-        /// </summary>
         public void SetParticleSystemInstance(GameObject instance, bool destroyOldParticles)
         {
             if (!instance) return;
 
-            var childCount = transform.childCount;
+            foreach (Transform child in transform)
-            for (var i = 0; i < childCount; i++)
             {
-                var go = transform.GetChild(i).gameObject;
+                var go = child.gameObject;
-                if (go.TryGetComponent<Camera>(out var cam) && cam == _bakeCamera) continue;
-                if (go.TryGetComponent<UIParticleRenderer>(out var _)) continue;
-
                 go.SetActive(false);
                 if (destroyOldParticles)
                 {
@@ -537,10 +417,6 @@ namespace Coffee.UIExtensions
             RefreshParticles(instance);
         }
 
-        /// <summary>
-        /// Refresh UIParticle using the prefab.
-        /// The prefab is automatically instantiated.
-        /// </summary>
         public void SetParticleSystemPrefab(GameObject prefab)
         {
             if (!prefab) return;
@@ -548,31 +424,16 @@ namespace Coffee.UIExtensions
             SetParticleSystemInstance(Instantiate(prefab.gameObject), true);
         }
 
-        /// <summary>
-        /// Refresh UIParticle.
-        /// Collect ParticleSystems under the GameObject and refresh the UIParticle.
-        /// </summary>
         public void RefreshParticles()
         {
             RefreshParticles(gameObject);
         }
 
-        /// <summary>
-        /// Refresh UIParticle.
-        /// Collect ParticleSystems under the GameObject and refresh the UIParticle.
-        /// </summary>
         private void RefreshParticles(GameObject root)
         {
             if (!root) return;
             root.GetComponentsInChildren(true, particles);
-            for (var i = particles.Count - 1; 0 <= i; i--)
+            particles.RemoveAll(x => x.GetComponentInParent<UIParticle>(true) != this);
-            {
-                var ps = particles[i];
-                if (!ps || ps.GetComponentInParent<UIParticle>(true) != this)
-                {
-                    particles.RemoveAt(i);
-                }
-            }
 
             for (var i = 0; i < particles.Count; i++)
             {
@@ -587,39 +448,31 @@ namespace Coffee.UIExtensions
             RefreshParticles(particles);
         }
 
-        /// <summary>
+        public void RefreshParticles(List<ParticleSystem> particles)
-        /// Refresh UIParticle using a list of ParticleSystems.
-        /// </summary>
-        public void RefreshParticles(List<ParticleSystem> particleSystems)
         {
-            // Collect children UIParticleRenderer components.
             // #246: Nullptr exceptions when using nested UIParticle components in hierarchy
             _renderers.Clear();
-            var childCount = transform.childCount;
+            foreach (Transform child in transform)
-            for (var i = 0; i < childCount; i++)
             {
-                var child = transform.GetChild(i);
+                var uiParticleRenderer = child.GetComponent<UIParticleRenderer>();
-                if (child.TryGetComponent(out UIParticleRenderer uiParticleRenderer))
+
+                if (uiParticleRenderer != null)
                 {
                     _renderers.Add(uiParticleRenderer);
                 }
             }
 
-            // Reset the UIParticleRenderer components.
             for (var i = 0; i < _renderers.Count; i++)
             {
                 _renderers[i].Reset(i);
             }
 
-            // Set the ParticleSystem to the UIParticleRenderer. If the trail is enabled, set it additionally.
             var j = 0;
-            for (var i = 0; i < particleSystems.Count; i++)
+            for (var i = 0; i < particles.Count; i++)
             {
-                var ps = particleSystems[i];
+                var ps = particles[i];
                 if (!ps) continue;
                 GetRenderer(j++).Set(this, ps, false);
-
-                // If the trail is enabled, set it additionally.
                 if (ps.trails.enabled)
                 {
                     GetRenderer(j++).Set(this, ps, true);
@@ -629,30 +482,12 @@ namespace Coffee.UIExtensions
 
         internal void UpdateTransformScale()
         {
-            _tracker.Clear();
             canvasScale = canvas.rootCanvas.transform.localScale.Inverse();
             parentScale = transform.parent.lossyScale;
-            if (autoScalingMode != AutoScalingMode.Transform)
+            if (autoScalingMode != AutoScalingMode.Transform) return;
-            {
-                if (_isScaleStored)
-                {
-                    transform.localScale = _storedScale;
-                }
 
-                _isScaleStored = false;
-                return;
-            }
-
-            var currentScale = transform.localScale;
-            if (!_isScaleStored)
-            {
-                _storedScale = currentScale.IsVisible() ? currentScale : Vector3.one;
-                _isScaleStored = true;
-            }
-
-            _tracker.Add(this, rectTransform, DrivenTransformProperties.Scale);
             var newScale = parentScale.Inverse();
-            if (currentScale != newScale)
+            if (transform.localScale != newScale)
             {
                 transform.localScale = newScale;
             }
@@ -665,10 +500,11 @@ namespace Coffee.UIExtensions
             for (var i = 0; i < _renderers.Count; i++)
             {
                 var r = _renderers[i];
-                if (r) continue;
+                if (!r)
-
+                {
-                RefreshParticles(particles);
+                    RefreshParticles(particles);
-                break;
+                    break;
+                }
             }
 
             var bakeCamera = GetBakeCamera();
@@ -676,7 +512,6 @@ namespace Coffee.UIExtensions
             {
                 var r = _renderers[i];
                 if (!r) continue;
-
                 r.UpdateMesh(bakeCamera);
             }
         }
@@ -688,6 +523,17 @@ namespace Coffee.UIExtensions
                 : Random.Range(m_GroupId, m_GroupMaxId + 1);
         }
 
+        protected override void UpdateMaterial()
+        {
+        }
+
+        /// <summary>
+        /// Call to update the geometry of the Graphic onto the CanvasRenderer.
+        /// </summary>
+        protected override void UpdateGeometry()
+        {
+        }
+
         private void UpdateRendererMaterial()
         {
             for (var i = 0; i < _renderers.Count; i++)
@@ -717,55 +563,64 @@ namespace Coffee.UIExtensions
         private Camera GetBakeCamera()
         {
             if (!canvas) return Camera.main;
-            if (!useCustomView && canvas.renderMode != RenderMode.ScreenSpaceOverlay && canvas.rootCanvas.worldCamera)
+
+            // When render mode is ScreenSpaceCamera or WorldSpace, use world camera.
+            var root = canvas.rootCanvas;
+            if (root.renderMode != RenderMode.ScreenSpaceOverlay)
             {
-                return canvas.rootCanvas.worldCamera;
+                return root.worldCamera ? root.worldCamera : Camera.main;
             }
 
-            if (_bakeCamera)
+            // When render mode is ScreenSpaceOverlay, use ortho-camera.
+            if (!_orthoCamera)
             {
-                _bakeCamera.orthographicSize = useCustomView ? customViewSize : 10;
+                // Find existing ortho-camera.
-                return _bakeCamera;
+                foreach (Transform child in transform)
-            }
-
-            // Find existing baking camera.
-            var childCount = transform.childCount;
-            for (var i = 0; i < childCount; i++)
-            {
-                if (transform.GetChild(i).TryGetComponent<Camera>(out var cam)
-                    && cam.name == "[generated] UIParticle BakingCamera")
                 {
-                    _bakeCamera = cam;
+                    var cam = child.GetComponent<Camera>();
-                    break;
+                    if (cam && cam.name == "[generated] UIParticleOverlayCamera")
+                    {
+                        _orthoCamera = cam;
+                        break;
+                    }
+                }
+
+                // Create ortho-camera.
+                if (!_orthoCamera)
+                {
+                    var go = new GameObject("[generated] UIParticleOverlayCamera")
+                    {
+                        hideFlags = HideFlags.HideAndDontSave
+                    };
+                    go.SetActive(false);
+                    go.transform.SetParent(transform, false);
+                    _orthoCamera = go.AddComponent<Camera>();
+                    _orthoCamera.enabled = false;
                 }
             }
 
-            // Create baking camera.
+            //
-            if (!_bakeCamera)
+            var size = ((RectTransform)root.transform).rect.size;
+            _orthoCamera.orthographicSize = Mathf.Max(size.x, size.y) * root.scaleFactor;
+            _orthoCamera.transform.SetPositionAndRotation(new Vector3(0, 0, -1000), Quaternion.identity);
+            _orthoCamera.orthographic = true;
+            _orthoCamera.farClipPlane = 2000f;
+
+            return _orthoCamera;
+        }
+
+        private void UpdateTracker()
+        {
+#pragma warning disable CS0618 // Type or member is obsolete
+            if (!enabled || !autoScaling || autoScalingMode != AutoScalingMode.Transform)
+#pragma warning restore CS0618 // Type or member is obsolete
             {
-                var go = new GameObject("[generated] UIParticle BakingCamera");
+                _tracker.Clear();
-                go.SetActive(false);
+            }
-                go.transform.SetParent(transform, false);
+            else
-                _bakeCamera = go.AddComponent<Camera>();
+            {
+                _tracker.Add(this, rectTransform, DrivenTransformProperties.Scale);
             }
-
-            // Setup baking camera.
-            _bakeCamera.enabled = false;
-            _bakeCamera.orthographicSize = useCustomView ? customViewSize : 10;
-            _bakeCamera.transform.SetPositionAndRotation(new Vector3(0, 0, -1000), Quaternion.identity);
-            _bakeCamera.orthographic = true;
-            _bakeCamera.farClipPlane = 2000f;
-            _bakeCamera.clearFlags = CameraClearFlags.Nothing;
-            _bakeCamera.cullingMask = 0; // Nothing
-            _bakeCamera.allowHDR = false;
-            _bakeCamera.allowMSAA = false;
-            _bakeCamera.renderingPath = RenderingPath.Forward;
-            _bakeCamera.useOcclusionCulling = false;
-
-            _bakeCamera.gameObject.SetActive(false);
-            _bakeCamera.gameObject.hideFlags = HideFlags.HideAndDontSave;
-
-            return _bakeCamera;
         }
     }
 }

Packages/src/Runtime/UIParticleProjectSettings.cs

@@ -1,28 +0,0 @@
-#pragma warning disable CS0414
-using Coffee.UIParticleInternal;
-using UnityEditor;
-using UnityEngine;
-
-namespace Coffee.UIExtensions
-{
-    public class UIParticleProjectSettings : PreloadedProjectSettings<UIParticleProjectSettings>
-    {
-        [Header("Setting")]
-        [SerializeField]
-        internal bool m_EnableLinearToGamma = true;
-
-        public static bool enableLinearToGamma
-        {
-            get => instance.m_EnableLinearToGamma;
-            set => instance.m_EnableLinearToGamma = value;
-        }
-
-#if UNITY_EDITOR
-        [SettingsProvider]
-        private static SettingsProvider CreateSettingsProvider()
-        {
-            return new PreloadedProjectSettingsProvider("Project/UI/UI Particle");
-        }
-#endif
-    }
-}

Packages/src/Runtime/UIParticleRenderer.cs

@@ -22,16 +22,17 @@ namespace Coffee.UIExtensions
     [AddComponentMenu("")]
     internal class UIParticleRenderer : MaskableGraphic
     {
+        private static readonly List<Component> s_Components = new List<Component>();
         private static readonly CombineInstance[] s_CombineInstances = { new CombineInstance() };
         private static readonly List<Material> s_Materials = new List<Material>(2);
         private static MaterialPropertyBlock s_Mpb;
+        private static readonly List<UIParticleRenderer> s_Renderers = new List<UIParticleRenderer>();
+        private static readonly List<Color32> s_Colors = new List<Color32>();
         private static readonly Vector3[] s_Corners = new Vector3[4];
         private bool _delay;
         private int _index;
-        private bool _isPrevStored;
         private bool _isTrail;
         private Bounds _lastBounds;
-        private Material _materialForRendering;
         private Material _modifiedMaterial;
         private UIParticle _parent;
         private ParticleSystem _particleSystem;
@@ -39,7 +40,7 @@ namespace Coffee.UIExtensions
         private Vector3 _prevPsPos;
         private Vector3 _prevScale;
         private Vector2Int _prevScreenSize;
-        private bool _preWarm;
+        private bool _prewarm;
         private ParticleSystemRenderer _renderer;
 
         public override Texture mainTexture => _isTrail ? null : _particleSystem.GetTextureForSprite();
@@ -90,19 +91,6 @@ namespace Coffee.UIExtensions
             }
         }
 
-        public override Material materialForRendering
-        {
-            get
-            {
-                if (!_materialForRendering)
-                {
-                    _materialForRendering = base.materialForRendering;
-                }
-
-                return _materialForRendering;
-            }
-        }
-
         public void Reset(int index = -1)
         {
             if (_renderer)
@@ -122,7 +110,8 @@ namespace Coffee.UIExtensions
             if (this && isActiveAndEnabled)
             {
                 material = null;
-                canvasRenderer.Clear();
+                workerMesh.Clear();
+                canvasRenderer.SetMesh(workerMesh);
                 _lastBounds = new Bounds();
                 enabled = false;
             }
@@ -153,7 +142,6 @@ namespace Coffee.UIExtensions
 
             MaterialRepository.Release(ref _modifiedMaterial);
             _materialForRendering = null;
-            _isPrevStored = false;
         }
 
         public static UIParticleRenderer AddRenderer(UIParticle parent, int index)
@@ -214,11 +202,10 @@ namespace Coffee.UIExtensions
             );
             if (!MaterialRepository.Valid(hash, _modifiedMaterial))
             {
-                MaterialRepository.Get(hash, ref _modifiedMaterial, x => new Material(x.mat)
+                MaterialRepository.Get(hash, ref _modifiedMaterial, () => new Material(modifiedMaterial)
                 {
-                    hideFlags = HideFlags.HideAndDontSave,
+                    hideFlags = HideFlags.HideAndDontSave
-                    mainTexture = x.texture ? x.texture : x.mat.mainTexture
+                });
-                }, (mat: modifiedMaterial, texture));
             }
 
             return _modifiedMaterial;
@@ -232,20 +219,20 @@ namespace Coffee.UIExtensions
             gameObject.layer = parent.gameObject.layer;
 
             _particleSystem = ps;
-            _preWarm = _particleSystem.main.prewarm;
+            _prewarm = _particleSystem.main.prewarm;
 
 #if UNITY_EDITOR
             if (Application.isPlaying)
 #endif
             {
-                if (_particleSystem.isPlaying || _preWarm)
+                if (_particleSystem.isPlaying || _prewarm)
                 {
                     _particleSystem.Clear();
                     _particleSystem.Pause();
                 }
             }
 
-            ps.TryGetComponent(out _renderer);
+            _renderer = ps.GetComponent<ParticleSystemRenderer>();
             _renderer.enabled = false;
 
             //_emitter = emitter;
@@ -417,7 +404,7 @@ namespace Coffee.UIExtensions
                 _lastBounds = bounds;
 
                 // Convert linear color to gamma color.
-                if (UIParticleProjectSettings.enableLinearToGamma && canvas.ShouldGammaToLinearInMesh())
+                if (canvas.ShouldGammaToLinearInMesh())
                 {
                     workerMesh.LinearToGamma();
                 }
@@ -437,48 +424,64 @@ namespace Coffee.UIExtensions
 
             Profiler.EndSample();
 
-            // Update animatable material properties.
-            Profiler.BeginSample("[UIParticleRenderer] Update Animatable Material Properties");
-            UpdateMaterialProperties();
-            Profiler.EndSample();
 
             // Get grouped renderers.
-            Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
+            s_Renderers.Clear();
-            var renderers = ListPool<UIParticleRenderer>.Rent();
             if (_parent.useMeshSharing)
             {
-                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, renderers);
+                UIParticleUpdater.GetGroupedRenderers(_parent.groupId, _index, s_Renderers);
             }
 
-            for (var i = 0; i < renderers.Count; i++)
+            // Set mesh to the CanvasRenderer.
+            Profiler.BeginSample("[UIParticleRenderer] Set Mesh");
+            for (var i = 0; i < s_Renderers.Count; i++)
             {
-                var r = renderers[i];
+                if (s_Renderers[i] == this) continue;
-                if (r == this) continue;
+                s_Renderers[i].canvasRenderer.SetMesh(workerMesh);
-
+                s_Renderers[i]._lastBounds = _lastBounds;
-                r.canvasRenderer.SetMesh(workerMesh);
-                r._lastBounds = _lastBounds;
-                r.canvasRenderer.materialCount = 1;
-                r.canvasRenderer.SetMaterial(materialForRendering, 0);
             }
 
-            ListPool<UIParticleRenderer>.Return(ref renderers);
+            if (!_parent.canRender)
-
-            if (_parent.canRender)
-            {
-                canvasRenderer.SetMesh(workerMesh);
-            }
-            else
             {
                 workerMesh.Clear();
             }
 
+            canvasRenderer.SetMesh(workerMesh);
             Profiler.EndSample();
-        }
 
-        public override void SetMaterialDirty()
+            // Update animatable material properties.
-        {
+            Profiler.BeginSample("[UIParticleRenderer] Update Animatable Material Properties");
-            _materialForRendering = null;
+
-            base.SetMaterialDirty();
+#if UNITY_EDITOR
+            if (_modifiedMaterial != material)
+            {
+                _renderer.GetSharedMaterials(s_Materials);
+                material = s_Materials[_isTrail ? 1 : 0];
+                s_Materials.Clear();
+                SetMaterialDirty();
+            }
+#endif
+
+            UpdateMaterialProperties();
+            if (_parent.useMeshSharing)
+            {
+                if (!_currentMaterialForRendering)
+                {
+                    _currentMaterialForRendering = materialForRendering;
+                }
+
+                for (var i = 0; i < s_Renderers.Count; i++)
+                {
+                    if (s_Renderers[i] == this) continue;
+
+                    s_Renderers[i].canvasRenderer.materialCount = 1;
+                    s_Renderers[i].canvasRenderer.SetMaterial(_currentMaterialForRendering, 0);
+                }
+            }
+
+            Profiler.EndSample();
+
+            s_Renderers.Clear();
         }
 
         /// <summary>
@@ -510,7 +513,7 @@ namespace Coffee.UIExtensions
                 && _particleSystem.main.scalingMode == ParticleSystemScalingMode.Local
                 && _parent.canvas)
             {
-                scale = scale.GetScaled(_parent.canvas.rootCanvas.transform.localScale);
+                scale = scale.GetScaled(_parent.canvas.transform.localScale);
             }
 
             Profiler.EndSample();
@@ -547,7 +550,10 @@ namespace Coffee.UIExtensions
                     return Matrix4x4.Scale(scale);
                 case ParticleSystemSimulationSpace.Custom:
                     return Matrix4x4.Translate(_particleSystem.main.customSimulationSpace.position.GetScaled(scale))
-                           * Matrix4x4.Scale(scale);
+                           //* Matrix4x4.Translate(wpos)
+                           * Matrix4x4.Scale(scale)
+                        //* Matrix4x4.Translate(-wpos)
+                        ;
                 default:
                     throw new NotSupportedException();
             }
@@ -563,16 +569,15 @@ namespace Coffee.UIExtensions
             var screenSize = new Vector2Int(Screen.width, Screen.height);
             var isWorldSpace = _particleSystem.IsWorldSpace();
             var canvasScale = _parent.canvas ? _parent.canvas.scaleFactor : 1f;
-            var resolutionChanged = _prevScreenSize != screenSize
+            var resolutionChanged = _prevScreenSize != screenSize || _prevCanvasScale != canvasScale;
-                                    || !Mathf.Approximately(_prevCanvasScale, canvasScale);
+            if (resolutionChanged && isWorldSpace)
-            if (resolutionChanged && isWorldSpace && _isPrevStored)
             {
                 // Update particle array size and get particles.
                 var size = _particleSystem.particleCount;
                 var particles = ParticleSystemExtensions.GetParticleArray(size);
                 _particleSystem.GetParticles(particles, size);
 
-                // Resolution resolver:
+                // Resolusion resolver:
                 // (psPos / scale) / (prevPsPos / prevScale) -> psPos * scale.inv * prevPsPos.inv * prevScale
                 var modifier = psPos.GetScaled(
                     scale.Inverse(),
@@ -591,7 +596,6 @@ namespace Coffee.UIExtensions
                 _delay = true;
                 _prevScale = scale;
                 _prevPsPos = psPos;
-                _isPrevStored = true;
             }
 
             _prevCanvasScale = canvas ? canvas.scaleFactor : 1f;
@@ -607,25 +611,23 @@ namespace Coffee.UIExtensions
                     ? Time.unscaledDeltaTime
                     : Time.deltaTime;
 
-            // Pre-warm:
+            // Prewarm:
-            if (0 < deltaTime && _preWarm)
+            if (0 < deltaTime && _prewarm)
             {
                 deltaTime += main.duration;
-                _preWarm = false;
+                _prewarm = false;
             }
 
             // get world position.
             var isLocalSpace = _particleSystem.IsLocalSpace();
             var psTransform = _particleSystem.transform;
-            var originLocalPosition = psTransform.localPosition;
-            var originLocalRotation = psTransform.localRotation;
             var originWorldPosition = psTransform.position;
             var originWorldRotation = psTransform.rotation;
             var emission = _particleSystem.emission;
             var rateOverDistance = emission.enabled
                                    && 0 < emission.rateOverDistance.constant
                                    && 0 < emission.rateOverDistanceMultiplier;
-            if (rateOverDistance && !paused && _isPrevStored)
+            if (rateOverDistance && !paused)
             {
                 // (For rate-over-distance emission,) Move to previous scaled position, simulate (delta = 0).
                 var prevScaledPos = isLocalSpace
@@ -641,8 +643,7 @@ namespace Coffee.UIExtensions
                 : originWorldPosition.GetScaled(scale.Inverse());
             psTransform.SetPositionAndRotation(scaledPos, originWorldRotation);
             _particleSystem.Simulate(deltaTime, false, false, false);
-            psTransform.localPosition = originLocalPosition;
+            psTransform.SetPositionAndRotation(originWorldPosition, originWorldRotation);
-            psTransform.localRotation = originLocalRotation;
         }
 
 #if UNITY_EDITOR
@@ -686,12 +687,12 @@ namespace Coffee.UIExtensions
             if (s_Mpb.isEmpty) return;
 
             // #41: Copy the value from MaterialPropertyBlock to CanvasRenderer
-            if (!materialForRendering) return;
+            if (!_modifiedMaterial) return;
 
             for (var i = 0; i < _parent.m_AnimatableProperties.Length; i++)
             {
                 var ap = _parent.m_AnimatableProperties[i];
-                ap.UpdateMaterialProperties(materialForRendering, s_Mpb);
+                ap.UpdateMaterialProperties(_modifiedMaterial, s_Mpb);
             }
 
             s_Mpb.Clear();

Packages/src/Runtime/UIParticleUpdater.cs

@@ -58,8 +58,9 @@ namespace Coffee.UIExtensions
             for (var i = 0; i < s_ActiveParticles.Count; i++)
             {
                 var uip = s_ActiveParticles[i];
-                if (!uip || !uip.canvas || !uip.isPrimary || !s_UpdatedGroupIds.Add(uip.groupId)) continue;
+                if (!uip || !uip.canvas || !uip.isPrimary || s_UpdatedGroupIds.Contains(uip.groupId)) continue;
 
+                s_UpdatedGroupIds.Add(uip.groupId);
                 uip.UpdateTransformScale();
                 uip.UpdateRenderers();
             }
@@ -76,8 +77,9 @@ namespace Coffee.UIExtensions
                 {
                     uip.UpdateRenderers();
                 }
-                else if (s_UpdatedGroupIds.Add(uip.groupId))
+                else if (!s_UpdatedGroupIds.Contains(uip.groupId))
                 {
+                    s_UpdatedGroupIds.Add(uip.groupId);
                     uip.UpdateRenderers();
                 }
             }

Packages/src/Samples~/Demo/UIParticle_Demo.unity

@@ -14461,7 +14461,7 @@ Canvas:
   m_GameObject: {fileID: 1074082869}
   m_Enabled: 1
   serializedVersion: 3
-  m_RenderMode: 1
+  m_RenderMode: 0
   m_Camera: {fileID: 1023393581}
   m_PlaneDistance: 100
   m_PixelPerfect: 0

Packages/src/package.json

@@ -2,7 +2,7 @@
   "name": "com.coffee.ui-particle",
   "displayName": "UI Particle",
   "description": "This package provides a component to render particle effects for uGUI.\nThe particle rendering is maskable and sortable, without the need for an extra Camera, RenderTexture, or Canvas.",
-  "version": "5.0.0-preview.4",
+  "version": "4.6.4",
   "unity": "2018.2",
   "license": "MIT",
   "repository": {