Omnibus PR with fixes for #333, #334, #335, and README updates (#340)

Author: kerfuffles

.gitignore

@@ -52,3 +52,9 @@ ProjectSettings/ProjectVersion\.txt
 *.lib
 
 Packages/com\.chisel\.core/Chisel/Core/API\.private/Native/Plugin/x64/Chisel\[TEST\]\.exp\.meta
+LICENSE.md.meta
+Icons.zip.meta
+README.md.meta
+Readme.meta
+Readme/Images.meta
+Readme/Images/house_view.png.meta

Icons.zip

@@ -1,8 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using UnityEditor;
 using UnityEngine;
 using InternalRealtimeCSG;
+using UnityEngine.Rendering;
+
 
 namespace RealtimeCSG
 {
@@ -93,10 +96,10 @@ internal static Material GenerateEditorMaterial(string shaderName, string textur
 			};
 			if (textureName != null)
 			{
-				string filename = "Assets/Plugins/RealtimeCSG/Editor/Resources/Textures/" + textureName + ".png";
-				material.mainTexture = AssetDatabase.LoadAssetAtPath<Texture2D>(filename);
+				//string filename = "Assets/Plugins/RealtimeCSG/Editor/Resources/Textures/" + textureName + ".png";
+                material.mainTexture = Resources.Load<Texture2D>( string.Format( "RealtimeCSG/Textures/{0}", textureName ) ); //AssetDatabase.LoadAssetAtPath<Texture2D>(filename);
 				if (!material.mainTexture)
-					Debug.LogWarning("Could not find internal texture: " + filename);
+					Debug.LogWarning("Could not find internal texture: " + textureName);
 			}
 			EditorMaterials.Add(name, material);
 			return material;
@@ -142,134 +145,161 @@ internal static bool EqualInternalMaterial(Material o, Material n)
 					o.name == n.name;
 		}
 
-		
-		const string DefaultMaterialPath = "Assets/Plugins/RealtimeCSG/Runtime/Materials/";
-		const string DefaultTexturePath = "Assets/Plugins/RealtimeCSG/Runtime/Textures/";
-		
-		internal static void CreateRenderPipelineVersionOfDefaultMaterial(Material defaultMaterial, string materialName)
-		{
-			if (!defaultMaterial)
-				return;
-			
-			var materialPath		= string.Format("{0}{1}/", DefaultMaterialPath, defaultMaterial.shader.name);
-			var materialFilename	= string.Format("{0}{1}.mat", materialPath, materialName);
+        private static string GetRenderPipelineType()
+        {
+            if( GraphicsSettings.renderPipelineAsset == null )
+                return string.Empty; // we are using built-in, so do nothing.
 
-			var material = AssetDatabase.LoadAssetAtPath<Material>(materialFilename);
-			if (material)
-				return;
+            string rpDefaultMatShader = GraphicsSettings.renderPipelineAsset.defaultMaterial.shader.name;
 
-			material = new Material(defaultMaterial);
+            if( rpDefaultMatShader.StartsWith( "HDRP" ) )
+                return "HDRP";
 
-			try
-			{
-				if (!System.IO.Directory.Exists(materialPath))
-					System.IO.Directory.CreateDirectory(materialPath);
-				// HDRenderPipeline will generate errors when creating it's own type of materials
-				AssetDatabase.CreateAsset(material, materialFilename);
-				material = AssetDatabase.LoadAssetAtPath<Material>(materialFilename);
-			}
-			catch (Exception ex)
-			{
-				Debug.LogException(ex);
-			}
+            if( rpDefaultMatShader.StartsWith( "LWRP" ) )
+                return "LWRP";
 
-			try
-			{
-				string destTexture = null;
-				if (material.HasProperty("_Diffuse")) destTexture = "_Diffuse";
-				else if (material.HasProperty("_Albedo")) destTexture = "_Albedo";
-				else if (material.HasProperty("_BaseColorMap")) destTexture = "_BaseColorMap";
-				else if	(material.HasProperty("_MainTex")) destTexture = "_MainTex";
-				if (destTexture != null)
-				{
-					var texturePath		= string.Format("{0}{1}.png", DefaultTexturePath, materialName);
-					var defaultTexture	= AssetDatabase.LoadAssetAtPath<Texture2D>(texturePath);
-					if (defaultTexture)
-					{
-						material.SetTexture(destTexture, defaultTexture);
-						material.mainTexture = defaultTexture;
-					} else
-					{
-						var regularMaterialPath = string.Format("{0}{1}.mat", DefaultMaterialPath, materialName);
-						var regularMaterial		= AssetDatabase.LoadAssetAtPath<Material>(regularMaterialPath);
-						if (regularMaterial)
-						{
-							material.SetTexture(destTexture, regularMaterial.mainTexture);
-							material.mainTexture = regularMaterial.mainTexture;
-						} else
-							Debug.LogWarning("couldn't find source texture for " + materialName);
-					}
-				}
-			}
-			catch(Exception ex)
-			{
-				Debug.LogException(ex);
-			}
-		}
+            if( rpDefaultMatShader.StartsWith( "URP" ) || rpDefaultMatShader.StartsWith(  "Universal Render Pipeline" ))
+                return "URP";
 
+            return string.Empty; // default rp, do nothing.
+        }
 
-		internal static void CreateRenderPipelineVersionOfDefaultMaterials(Material defaultMaterial)
-		{
-			if (!defaultMaterial)
-				return;
+        private static bool TryGetShaderMainTex( Material material, out string mainTexTag )
+        {
+            if( material.HasProperty( "_Diffuse" ) )
+            {
+                mainTexTag = "_Diffuse";
 
-			CreateRenderPipelineVersionOfDefaultMaterial(defaultMaterial, WallMaterialName);
-			CreateRenderPipelineVersionOfDefaultMaterial(defaultMaterial, FloorMaterialName);
-			CreateRenderPipelineVersionOfDefaultMaterial(defaultMaterial, WindowMaterialName);
-			CreateRenderPipelineVersionOfDefaultMaterial(defaultMaterial, MetalMaterialName);
-			
-			CSGSettings.Reload();
-			var currentMaterial = CSGSettings.DefaultMaterial;
-			if (!currentMaterial)
-				return;  
-			
-			var currentMaterialPath = AssetDatabase.GetAssetPath(currentMaterial);
-			if (!currentMaterialPath.StartsWith(DefaultMaterialPath))
-				return;
-			
-			var materialPath = string.Format("{0}{1}/", DefaultMaterialPath, defaultMaterial.shader.name);
-			if (currentMaterialPath.StartsWith(materialPath))
-				return;
-			
-			var newMaterialPath = currentMaterialPath.Replace(DefaultMaterialPath, materialPath);
-			currentMaterial =  AssetDatabase.LoadAssetAtPath<Material>(newMaterialPath);
-			if (currentMaterial)
-				CSGSettings.DefaultMaterial = currentMaterial;
-			CSGSettings.Save();
-		}
+                return true;
+            }
 
-		internal static Material GetRuntimeMaterial(string materialName)
-		{
-			Material defaultMaterial = null;
-			var renderPipelineAsset = UnityEngine.Rendering.GraphicsSettings.renderPipelineAsset;
-			if (renderPipelineAsset)
-				defaultMaterial = DefaultMaterial;
+            if( material.HasProperty( "_Albedo" ) )
+            {
+                mainTexTag = "_Albedo";
 
-			if (!defaultMaterial)
-			{
-				var defaultFilename	= string.Format("{0}{1}.mat", DefaultMaterialPath, materialName);
-				return AssetDatabase.LoadAssetAtPath<Material>(defaultFilename);
-			}
-			
-			var materialPath		= string.Format("{0}{1}/", DefaultMaterialPath, defaultMaterial.shader.name);
-			var materialFilename	= string.Format("{0}{1}.mat", materialPath, materialName);
+                return true;
+            }
 
-			var material = AssetDatabase.LoadAssetAtPath<Material>(materialFilename);
-			if (material)
-				return material;
-			
-			CreateRenderPipelineVersionOfDefaultMaterials(defaultMaterial);
-			
-			return AssetDatabase.LoadAssetAtPath<Material>(materialFilename);
-		}
+            if( material.HasProperty( "_BaseColorMap" ) )
+            {
+                mainTexTag = "_BaseColorMap";
 
+                return true;
+            }
 
-        internal static PhysicMaterial GetRuntimePhysicMaterial(string materialName)
+            if( material.HasProperty( "_MainTex" ) )
+            {
+                mainTexTag = "_MainTex";
+
+                return true;
+            }
+
+            mainTexTag = "";
+
+            return false;
+        }
+ private static bool TryGetMetallicProperty(Material material,  out string property )
         {
-            var defaultFilename = string.Format("{0}{1}.physicMaterial", DefaultMaterialPath, materialName);
-            return AssetDatabase.LoadAssetAtPath<PhysicMaterial>(defaultFilename);
+            if( material.HasProperty( "_Metallic" ) )
+            {
+                property = "_Metallic";
+
+                return true;
+            }
+
+            property = "_Metallic";
+            return false;
         }
 
+        /*
+         * 1: Check that we actually have the material were looking for
+         * 2: Find RP type, and then create any neccessary directories
+         * 3: If we arent on the built-in RP, then update the material to the default material shader for the current RP
+         *   3.1: Stop entirely if the default material shader doesnt have a compatible default main texture property
+         * 4: Save the changes to disk
+         */
+        private static void GenerateBuiltinPipelineMaterial( string name )
+        {
+            Material material = Resources.Load<Material>( string.Format( "{0}{1}", "RealtimeCSG/Materials/", name ) );
+
+            if( material == null )
+            {
+                Debug.LogWarningFormat( "Could not find material '{0}{1}.mat'. Not generating material '{0}{1}.mat' for the current render pipeline.", "RealtimeCSG/Materials/", name );
+
+                return;
+            }
+
+            string rpType = GetRenderPipelineType();
+
+            if( !string.IsNullOrEmpty( rpType ) ) // if we are using any RP
+            {
+                AssetDatabase.StartAssetEditing();
+
+                string pipelineShader = GraphicsSettings.renderPipelineAsset.defaultMaterial.shader.name;
+
+                material.shader = Shader.Find( pipelineShader );
+
+                string mainTexTag;
+
+                if( TryGetShaderMainTex( material, out mainTexTag ) )
+                {
+                    material.SetTexture( mainTexTag, Resources.Load<Texture2D>( string.Format( "RealtimeCSG/Textures/{0}", name ) ) );
+
+                    if( material.name.Equals( "Metal" ) )
+                    {
+                        // if the material is the built-in metal texture, then we'll set its metalness to 100%
+
+                        string metalnessTag;
+
+                        if( TryGetMetallicProperty( material, out metalnessTag ) )
+                        {
+                            material.SetFloat( metalnessTag, 1f );
+                            material.SetFloat( "_Smoothness", 1f );
+                            material.SetTexture( "_MetallicGlossMap", Resources.Load<Texture2D>( "RealtimeCSG/Textures/checker_m" ) );
+                        }
+
+                        if( material.HasProperty( "_DetailAlbedoMap" ) )
+                        {
+                            material.SetTexture( "_DetailAlbedoMap", Resources.Load<Texture2D>( "RealtimeCSG/Textures/checker" ) );
+                        }
+                    }
+                }
+                else // we failed to find any default RP shader, so we'll just abort early
+                {
+                    AssetDatabase.StopAssetEditing();
+
+                    Debug.LogErrorFormat( "Could not find a compatible default render pipeline shader. Shader '{0}' does not contain any properties named '_MainTex', '_Albedo', '_Diffuse', or '_BaseColorMap'." );
+
+                    return;
+                }
+
+                AssetDatabase.StopAssetEditing();
+
+                EditorUtility.SetDirty( material );
+                AssetDatabase.SaveAssetIfDirty( material );
+
+                AssetDatabase.Refresh( ImportAssetOptions.ForceUpdate );
+
+                Resources.UnloadUnusedAssets();
+            }
+
+            // using built-in, just dont do anything.
+        }
+
+        internal static Material GetRuntimeMaterial( string materialName )
+        {
+            GenerateBuiltinPipelineMaterial( WallMaterialName );
+            GenerateBuiltinPipelineMaterial( FloorMaterialName );
+            GenerateBuiltinPipelineMaterial( WindowMaterialName );
+            GenerateBuiltinPipelineMaterial( MetalMaterialName );
+
+            return Resources.Load<Material>( string.Format( "RealtimeCSG/Materials/{0}/{1}", GetRenderPipelineType(), materialName ) );
+        }
+
+        internal static PhysicMaterial GetRuntimePhysicMaterial(string materialName)
+        {
+            return Resources.Load<PhysicMaterial>( string.Format( "RealtimeCSG/Materials/{0}", materialName ) );
+        }
 
         private static Material _defaultMaterial;
 		public static Material DefaultMaterial