Brush editing

Assets/Editor/BrushLister.cs

@@ -29,6 +29,41 @@ public class BrushLister : MonoBehaviour
         private static TiltBrushManifest brushManifest;
         private static TiltBrushManifest brushManifestX;
 
+
+        [MenuItem("Tilt/Info/Check Brush Textures")]
+        static void CheckBrushTextures()
+        {
+            Object[] defaultBrushes = Resources.LoadAll("Brushes", typeof(BrushDescriptor)).ToArray();
+            var experimentalBrushes = Resources.LoadAll("X/Brushes", typeof(BrushDescriptor)).ToArray();
+            var allBrushes = defaultBrushes.Concat(experimentalBrushes);
+
+            var checkedMaterials = new HashSet<Material>();
+
+            foreach (BrushDescriptor brush in allBrushes)
+            {
+                if (brush.Material == null) continue;
+                Debug.Log($"Checking {brush.Material.name}");
+                if (!checkedMaterials.Contains(brush.Material))
+                {
+                    var textureProps = brush.Material.GetTexturePropertyNames();
+                    foreach (var textureProp in textureProps)
+                    {
+                        var texture = brush.Material.GetTexture(textureProp);
+                        if (texture != null && !texture.isReadable)
+                        {
+                            Debug.LogWarning($"{brush.Material.name} {textureProp} needs read/write enabled");
+                        }
+                        else
+                        {
+                            Debug.Log($"{textureProp} checked");
+                        }
+                    }
+                    checkedMaterials.Add(brush.Material);
+                }
+            }
+        }
+
+
         [MenuItem("Open Brush/Info/Brush Lister")]
         static void ListBrushes()
         {

Assets/Editor/GlTF_EditorExporter.cs

@@ -284,6 +284,11 @@ private static Dictionary<Guid, BrushDescriptor> GetBrushes()
                 cat[desc.m_Guid] = desc;
             }
 
+            foreach (BrushDescriptor desc in BrushCatalog.m_Instance.AllBrushes.Where(x => x.UserVariantBrush != null))
+            {
+                cat.Add(desc.m_Guid, desc);
+            }
+
             return cat;
         }
 

Assets/Materials/LibraryIcon.mat

@@ -0,0 +1,80 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: LibraryIcon
+  m_Shader: {fileID: 4800000, guid: 44e8ab88637a620428771faaf58665b8, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 5
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _BumpMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailAlbedoMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailMask:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailNormalMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _EmissionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 2800000, guid: 32738d93ad8ff8b4782d6f80de9962cb, type: 3}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MetallicGlossMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _OcclusionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ParallaxMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _BumpScale: 1
+    - _Cutoff: 0.061
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _Glossiness: 0.5
+    - _InvFade: 1
+    - _Metallic: 0
+    - _Mode: 0
+    - _OcclusionStrength: 1
+    - _Parallax: 0.02
+    - _Saturation: 1
+    - _Shininess: 0.7
+    - _SrcBlend: 1
+    - _UVSec: 0
+    - _ZWrite: 1
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _Emission: {r: 0, g: 0, b: 0, a: 0}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _SpecColor: {r: 1, g: 1, b: 1, a: 0}
+    - _Tint: {r: 1, g: 1, b: 1, a: 1}
+    - _TintColor: {r: 0.5, g: 0.5, b: 0.5, a: 0.5}