1 files changed, 132 insertions, 0 deletions
diff --git a/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/CustomTexture2DArrayInspector.cs b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/CustomTexture2DArrayInspector.cs
new file mode 100644
index 00000000..b43ee4e2
--- /dev/null
+++ b/Assets/ThirdParty/AmplifyShaderEditor/Plugins/Editor/Utils/CustomTexture2DArrayInspector.cs
@@ -0,0 +1,132 @@
+#if !UNITY_2019_1_OR_NEWER
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEditor;
+
+namespace AmplifyShaderEditor
+{
+	[CustomEditor( typeof( Texture2DArray ) )]
+	public class CustomTexture2DArrayInspector : Editor
+	{
+		Texture2DArray m_target;
+		[SerializeField]
+		float m_index;
+		Shader m_textureArrayPreview;
+		Material m_previewMaterial;
+		GUIStyle slider = null;
+		GUIStyle thumb = null;
+		GUIContent m_allButton = null;
+		[SerializeField]
+		bool m_seeAll;
+		void OnEnable()
+		{
+			m_target = ( target as Texture2DArray );
+			m_textureArrayPreview = AssetDatabase.LoadAssetAtPath<Shader>( AssetDatabase.GUIDToAssetPath( "610c24aad350fba4583068c6c22fa428" ) );
+			m_previewMaterial = new Material( m_textureArrayPreview );
+			slider = null;
+			thumb = null;
+		}
+
+		public override void OnPreviewGUI( Rect r, GUIStyle background )
+		{
+			base.OnPreviewGUI( r, background );
+			m_previewMaterial.SetTexture( "_MainTex", m_target );
+			m_previewMaterial.SetFloat( "_Index", m_index );
+			EditorGUI.DrawPreviewTexture( r, m_target, m_previewMaterial, ScaleMode.ScaleToFit, 1f );
+		}
+
+		private void OnDisable()
+		{
+			DestroyImmediate( m_previewMaterial );
+			m_previewMaterial = null;
+		}
+
+		public override void OnInspectorGUI()
+		{
+			if( slider == null )
+				slider = "preSlider";
+
+			if( thumb == null )
+				thumb = "preSliderThumb";
+
+			if( m_allButton == null )
+				m_allButton = EditorGUIUtility.IconContent( "PreTextureMipMapLow" );
+
+			base.OnInspectorGUI();
+		}
+
+		public override bool HasPreviewGUI()
+		{
+			return true;
+		}
+
+		public override void OnPreviewSettings()
+		{
+			base.OnPreviewSettings();
+			m_seeAll = GUILayout.Toggle( m_seeAll, m_allButton, "preButton" );
+			EditorGUI.BeginDisabledGroup( m_seeAll );
+			m_index = Mathf.Round( GUILayout.HorizontalSlider( m_index, 0, m_target.depth - 1, slider, thumb ) );
+			EditorGUI.EndDisabledGroup();
+		}
+
+		public override void OnInteractivePreviewGUI( Rect r, GUIStyle background )
+		{
+			//base.OnInteractivePreviewGUI( r, background );
+			if( m_seeAll )
+			{
+				int columns = Mathf.CeilToInt( Mathf.Sqrt( m_target.depth ) );
+				float sizeX = r.width / columns - 20;
+				float centerY = ( columns * columns ) - m_target.depth;
+				int rows = columns;
+				if( centerY >= columns )
+					rows--;
+				float sizeY = ( r.height - 16 ) / rows - 15;
+
+				if( centerY >= columns )
+					centerY = sizeY * 0.5f;
+				else
+					centerY = 0;
+
+				Rect smallRect = r;
+				if( rows > 1 )
+					smallRect.y += ( 15 / ( rows - 1 ) );
+				else
+					smallRect.y += 15;
+				smallRect.x = r.x + 10;
+				smallRect.width = sizeX;
+				smallRect.height = sizeY;
+
+				for( int i = 0; i < m_target.depth; i++ )
+				{
+					m_previewMaterial.SetTexture( "_MainTex", m_target );
+					m_previewMaterial.SetFloat( "_Index", i );
+					EditorGUI.DrawPreviewTexture( smallRect, m_target, m_previewMaterial, ScaleMode.ScaleToFit, 1 );
+					Rect dropRect = smallRect;
+
+					float diff = smallRect.height - smallRect.width;
+					if( diff > 0 )
+						dropRect.y -= diff * 0.5f;
+					dropRect.y += 16;
+					EditorGUI.DropShadowLabel( dropRect, "[" + i + "]" );
+
+					smallRect.x += sizeX + 20;
+					if( ( ( i + 1 ) % ( columns ) ) == 0 )
+					{
+						smallRect.x = r.x + 10;
+						smallRect.height = sizeY;
+						smallRect.y += sizeY + 30;
+					}
+				}
+			}
+			else
+			{
+				m_previewMaterial.SetTexture( "_MainTex", m_target );
+				m_previewMaterial.SetFloat( "_Index", m_index );
+				EditorGUI.DrawPreviewTexture( r, m_target, m_previewMaterial, ScaleMode.ScaleToFit, 1f );
+				EditorGUI.DropShadowLabel( r, "[" + m_index + "]" );
+			}
+		}
+	}
+}
+#endif