Fix: ImageDrawer cannot parse relative paths

Fix: Sample Shaders

Author: JasonMa0012

Editor/LWGUI.asmdef

@@ -4,7 +4,8 @@
     "references": [
         "LWGUI.Runtime",
         "LWGUI.Timeline",
-        "Unity.InternalAPIEditorBridge.020"
+        "Unity.InternalAPIEditorBridge.020",
+        "LWGUI.Runtime.Timeline"
     ],
     "includePlatforms": [
         "Editor"

Editor/ShaderDrawer.cs

@@ -1702,25 +1702,71 @@ public ImageDrawer(string group)
 
 		public override void BuildStaticMetaData(Shader inShader, MaterialProperty inProp, MaterialProperty[] inProps, PropertyStaticData inoutPropertyStaticData)
 		{
-			var imagePath = Application.dataPath.Substring(0, Application.dataPath.Length - 6) + inProp.displayName;
-			if (File.Exists(imagePath))
+			var inputPath = (inProp.displayName ?? string.Empty).Replace('/', Path.DirectorySeparatorChar).Replace('\\', Path.DirectorySeparatorChar);
+			var projectRoot = Helper.ProjectPath;
+			string imagePath = null;
+
+			try
 			{
-				var fileData = File.ReadAllBytes(imagePath);
-				Texture2D texture = new Texture2D(2, 2);
+				// If the display path already starts with Assets (project-relative), resolve from project root
+				if (inputPath.StartsWith("Assets"))
+				{
+					imagePath = Path.Combine(projectRoot, inputPath);
+				}
+				// If it's an absolute path, use it directly
+				else if (Path.IsPathRooted(inputPath))
+				{
+					imagePath = inputPath;
+				}
+				else
+				{
+					// Try resolving relative to the shader file location
+					var shaderAssetPath = AssetDatabase.GetAssetPath(inShader);
+					if (!string.IsNullOrEmpty(shaderAssetPath))
+					{
+						var shaderFullPath = Path.Combine(projectRoot, shaderAssetPath);
+						var shaderDir = Path.GetDirectoryName(shaderFullPath);
+						if (!string.IsNullOrEmpty(shaderDir))
+						{
+							// Combine and normalize to resolve ../ segments
+							var candidate = Path.GetFullPath(Path.Combine(shaderDir, inputPath));
+							if (File.Exists(candidate))
+							{
+								imagePath = candidate;
+							}
+						}
+					}
+					// Fallback: try project-root relative resolution
+					if (imagePath == null)
+					{
+						var candidate2 = Path.Combine(projectRoot, inputPath);
+						if (File.Exists(candidate2)) imagePath = candidate2;
+					}
+				}
 
-				// LoadImage will auto-resize the texture dimensions
-				if (texture.LoadImage(fileData))
+				if (!string.IsNullOrEmpty(imagePath) && File.Exists(imagePath))
 				{
-					inoutPropertyStaticData.image = texture;
+					var fileData = File.ReadAllBytes(imagePath);
+					Texture2D texture = new Texture2D(2, 2);
+
+					// LoadImage will auto-resize the texture dimensions
+					if (texture.LoadImage(fileData))
+					{
+						inoutPropertyStaticData.image = texture;
+					}
+					else
+					{
+						Debug.LogError($"LWGUI: Failed to load image data into texture: { imagePath }");
+					}
 				}
 				else
 				{
-					Debug.LogError($"LWGUI: Failed to load image data into texture: { imagePath }");
+					Debug.LogError($"LWGUI: Image path not found: { inputPath }");
 				}
 			}
-			else
+			catch (Exception ex)
 			{
-				Debug.LogError($"LWGUI: Image path not found: { imagePath }");
+				Debug.LogError($"LWGUI: Exception while resolving image path '{inputPath}': {ex.Message}");
 			}
 		}
 

Editor/Timeline/Editor/LWGUI.Timeline.Editor.asmdef

@@ -6,7 +6,9 @@
         "LWGUI.Timeline",
         "LWGUI.Runtime.Timeline",
         "Unity.Timeline",
-        "Unity.Timeline.Editor"
+        "Unity.Timeline.Editor",
+        "LWGUI.Runtime",
+        "Unity.InternalAPIEditorBridge.020"
     ],
     "includePlatforms": [
         "Editor"

Test/LWGUI_RampAtlas.tga.meta

@@ -60,8 +60,8 @@
 		[SubToggle(Preset)] _ZWrite ("ZWrite ", Float) = 1
 		[SubEnum(Preset, UnityEngine.Rendering.CompareFunction)] _ZTest ("ZTest", Float) = 4 // 4 is LEqual
 		[SubEnum(Preset, RGBA, 15, RGB, 14)] _ColorMask ("ColorMask", Float) = 15 // 15 is RGBA (binary 1111)
-		[BitMask(Preset)] _Stencil ("Stencil", Integer) = 0
-		[BitMask(Preset, Left, Bit6, Bit5, Bit4, Description, Bit2, Bit1, Right)] _StencilWithDescription ("Stencil With Description", Integer) = 0
+		[BitMask(Preset)] _Stencil ("Stencil", Int) = 0
+		[BitMask(Preset, Left, Bit6, Bit5, Bit4, Description, Bit2, Bit1, Right)] _StencilWithDescription ("Stencil With Description", Int) = 0
 
 	}
 

Test/SampleDrawerA.shader

@@ -37,7 +37,7 @@
 		[Advanced][Tex(Group2, _AdvancedColor0)] _AdvancedTex1 ("Advanced Tex 1", 2D) = "white" { }
 		[Advanced][HideInInspector] _AdvancedColor0 ("Advanced Color 0", Color) = (1, 1, 1, 1)
 		[AdvancedHeaderProperty][Sub(Group2)] _AdvancedFloat ("Advanced Image", float) = 0
-		[Advanced][Image(Group2)] _AdvancedImage ("../image-20220828003810353.png", float) = 0
+		[Advanced][Image(Group2)] _AdvancedImage ("../assets~/809c4a1c-ce80-48b1-b415-7e8d4bea716e-16616214059841.png", float) = 0
 
 		[Title(Channel Samples)]
 		[Channel] _textureChannelMask ("Texture Channel Mask (Default G)", Vector) = (0, 1, 0, 0)

Test/SampleDrawerB.shader

@@ -1,6 +1,6 @@
 {
   "name": "com.jasonma.lwgui",
-  "version": "1.27.1",
+  "version": "1.27.2",
   "displayName": "LWGUI",
   "description": "A Lightweight, Flexible, Powerful Shader GUI System for Unity.",
   "keywords": [