Better normal map handling for parts with no normals

Source/ConformalDecals/MaterialModifiers/MaterialPropertyCollection.cs

@@ -7,15 +7,25 @@ using UnityEngine.Rendering;
 
 namespace ConformalDecals.MaterialModifiers {
     public class MaterialPropertyCollection : ScriptableObject, ISerializationCallbackReceiver {
+        public int RenderQueue {
+            get => _renderQueue;
+            set {
+                _renderQueue = value;
+                if (_decalMaterial != null) _decalMaterial.renderQueue = value;
+            }
+        }
+
         [SerializeField] private Shader                  _shader;
         [SerializeField] private MaterialTextureProperty _mainTexture;
         [SerializeField] private string[]                _serializedNames;
         [SerializeField] private MaterialProperty[]      _serializedProperties;
 
+
         private Dictionary<string, MaterialProperty> _materialProperties;
 
         private Material _decalMaterial;
         private Material _previewMaterial;
+        private int      _renderQueue = 2100;
 
         public Shader DecalShader => _shader;
 
@@ -25,6 +35,7 @@ namespace ConformalDecals.MaterialModifiers {
                     _decalMaterial = new Material(_shader);
 
                     _decalMaterial.SetInt(DecalPropertyIDs._Cull, (int) CullMode.Off);
+                    _decalMaterial.renderQueue = RenderQueue;
                 }
 
                 return _decalMaterial;
@@ -185,10 +196,6 @@ namespace ConformalDecals.MaterialModifiers {
             _previewMaterial = null;
         }
 
-        public void SetRenderQueue(int queue) {
-            DecalMaterial.renderQueue = queue;
-        }
-
         public void UpdateScale(Vector2 scale) {
             foreach (var entry in _materialProperties) {
                 if (entry.Value is MaterialTextureProperty textureProperty && textureProperty.autoScale) {

Source/ConformalDecals/ModuleConformalDecal.cs

@@ -250,6 +250,10 @@ namespace ConformalDecals {
 
             UpdateMaterials();
 
+            if (HighLogic.LoadedSceneIsEditor) {
+                UpdateTweakables();
+            }
+
             if (HighLogic.LoadedSceneIsGame) {
                 UpdateScale();
             }
@@ -278,7 +282,7 @@ namespace ConformalDecals {
                 UpdateTweakables();
             }
 
-            materialProperties.SetRenderQueue(DecalQueue);
+            materialProperties.RenderQueue = DecalQueue;
 
             UpdateMaterials();
 

Source/ConformalDecals/ProjectionTarget.cs

@@ -34,19 +34,16 @@ namespace ConformalDecals {
             _decalMPB.SetVector(DecalPropertyIDs._DecalNormal, decalNormal);
             _decalMPB.SetVector(DecalPropertyIDs._DecalTangent, decalTangent);
 
-            if (useBaseNormal) {
+            if (useBaseNormal && targetMaterial.HasProperty(DecalPropertyIDs._BumpMap)) {
-                if (targetMaterial.HasProperty(DecalPropertyIDs._BumpMap)) {
+                _decalMPB.SetTexture(DecalPropertyIDs._BumpMap, targetMaterial.GetTexture(DecalPropertyIDs._BumpMap));
-                    _decalMPB.SetTexture(DecalPropertyIDs._BumpMap, targetMaterial.GetTexture(DecalPropertyIDs._BumpMap));
 
-                    var normalScale = targetMaterial.GetTextureScale(DecalPropertyIDs._BumpMap);
+                var normalScale = targetMaterial.GetTextureScale(DecalPropertyIDs._BumpMap);
-                    var normalOffset = targetMaterial.GetTextureOffset(DecalPropertyIDs._BumpMap);
+                var normalOffset = targetMaterial.GetTextureOffset(DecalPropertyIDs._BumpMap);
 
-                    _decalMPB.SetVector(DecalPropertyIDs._BumpMap_ST, new Vector4(normalScale.x, normalScale.y, normalOffset.x, normalOffset.y));
+                _decalMPB.SetVector(DecalPropertyIDs._BumpMap_ST, new Vector4(normalScale.x, normalScale.y, normalOffset.x, normalOffset.y));
-                }
+            }
-                else {
+            else {
-                    Debug.Log("Using blank normal");
+                _decalMPB.SetTexture(DecalPropertyIDs._BumpMap, DecalConfig.BlankNormal);
-                    _decalMPB.SetTexture(DecalPropertyIDs._BumpMap, DecalConfig.BlankNormal);
-                }
             }
         }