Fix decals not projecting when loading prefabs

• Add support for regex shader blacklisting
• Re-allow projecting onto transparentFX

CHANGELOG.md

@@ -8,6 +8,22 @@ All notable changes to this project will be documented in this file
 | website | https://forum.kerbalspaceprogram.com/index.php?/topic/194802-18-111-conformal-decals |
 | author  | Andrew Cassidy                                                                       |
 
+## Unreleased
+
+### Fixed
+
+- Fixed decals not projecting on loading prefabs
+
+### Changed
+
+- Re-enabled projecting onto TransparentFX layer
+
+### Added
+
+- Allowed for regular expressions to be used when blacklisting shaders
+- Added all Waterfall shaders to the shader blacklist when Waterfall is present
+
+
 ## 0.2.9 - 2022-03-12
 
 ### Fixed

GameData/ConformalDecals/Patches/Waterfall.cfg

@@ -0,0 +1,7 @@
+// Prevent projection onto Waterfall plumes
+
+CONFORMALDECALS:NEEDS[Waterfall] {
+  SHADERBLACKLIST {
+    shaderRegex = Waterfall/.*
+  }
+}

GameData/ConformalDecals/Resources/ConformalDecals.cfg

@@ -4,21 +4,13 @@ CONFORMALDECALS {
 
   SHADERBLACKLIST {
     shader = DepthMask
-    shader = KSP/Alpha/Cutoff
-    shader = KSP/Alpha/Cutoff Bumped
-    shader = KSP/Alpha/Translucent
-    shader = KSP/Alpha/Translucent Additive
-    shader = KSP/Alpha/Translucent Specular
-    shader = KSP/Alpha/Unlit Transparent
     shader = KSP/Bumped Specular (Transparent)
     shader = KSP/FX/ScrollingUnlit
-    shader = KSP/Particles/Additive
-    shader = KSP/Particles/Additive (Soft)
-    shader = KSP/Particles/Alpha Blended
-    shader = KSP/Particles/Alpha Blended Emissive Cutout
     shader = KSP/Specular (Cutoff)
     shader = KSP/Specular (Transparent)
     shader = Solid Color (Alpha)
+    shaderRegex = KSP/Alpha/.*
+    shaderRegex = KSP/Particles/.*
   }
 
   FONT {

Source/ConformalDecals/DecalConfig.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text.RegularExpressions;
 using ConformalDecals.Text;
 using ConformalDecals.Util;
 using TMPro;
@@ -10,6 +11,7 @@ namespace ConformalDecals {
     public static class DecalConfig {
         private static Texture2D                     _blankNormal;
         private static List<string>                  _shaderBlacklist;
+        private static List<Regex>                   _shaderRegexBlacklist;
         private static Dictionary<string, DecalFont> _fontList;
         private static int                           _decalLayer = 31;
         private static bool                          _selectableInFlight;
@@ -51,14 +53,22 @@ namespace ConformalDecals {
 
         public static IEnumerable<DecalFont> Fonts => _fontList.Values;
 
-        public static DecalFont FallbackFont { get; private set; }
-
         public static bool IsBlacklisted(Shader shader) {
             return IsBlacklisted(shader.name);
         }
 
         public static bool IsBlacklisted(string shaderName) {
-            return _shaderBlacklist.Contains(shaderName);
+            if (_shaderBlacklist.Contains(shaderName)) return true;
+
+            foreach (var regex in _shaderRegexBlacklist) {
+                if (regex.IsMatch(shaderName)) {
+                    _shaderBlacklist.Add(shaderName);
+                    Logging.Log($"Caching blacklisted shader name '{shaderName}' which matches '{regex}'");
+                    return true;
+                }
+            }
+
+            return false;
         }
 
         public static bool IsLegacy(string shaderName, out string newShader, out string[] keywords) {
@@ -91,6 +101,10 @@ namespace ConformalDecals {
                 foreach (var shaderName in blacklist.GetValuesList("shader")) {
                     _shaderBlacklist.Add(shaderName);
                 }
+
+                foreach (var shaderRegex in blacklist.GetValuesList("shaderRegex")) {
+                    _shaderRegexBlacklist.Add(new Regex(shaderRegex));
+                }
             }
 
             var allFonts = Resources.FindObjectsOfTypeAll<TMP_FontAsset>();
@@ -128,13 +142,14 @@ namespace ConformalDecals {
         // ReSharper disable once UnusedMember.Global
         public static void ModuleManagerPostLoad() {
             _shaderBlacklist = new List<string>();
+            _shaderRegexBlacklist = new List<Regex>();
             _fontList = new Dictionary<string, DecalFont>();
 
             var configs = GameDatabase.Instance.GetConfigs("CONFORMALDECALS");
 
             if (configs.Length > 0) {
-                Logging.Log("loading config");
                 foreach (var config in configs) {
+                    Logging.Log($"loading config file '{config.url}'");
                     ParseConfig(config.config);
                 }
             }

Source/ConformalDecals/ModuleConformalDecal.cs

@@ -482,9 +482,6 @@ namespace ConformalDecals {
                 // skip disabled renderers
                 if (renderer.gameObject.activeInHierarchy == false) continue;
                 
-                // skip transparentFX layer, which causes issues with Waterfall
-                if (renderer.gameObject.layer == 1) continue;
-
                 // skip blacklisted shaders
                 if (DecalConfig.IsBlacklisted(renderer.material.shader)) continue;