From 48819878dc7dd2c6a8972f0219c03b476f5c7ead Mon Sep 17 00:00:00 2001
From: drewcassidy <drewcassidy@me.com>
Date: Sun, 28 Jun 2020 18:18:04 -0700
Subject: [PATCH] Add shader keyword support

---
 .../MaterialKeywordProperty.cs                | 19 +++++++++++++++++++
 .../MaterialTextureProperty.cs                |  1 +
 2 files changed, 20 insertions(+)
 create mode 100644 Source/ConformalDecals/MaterialProperties/MaterialKeywordProperty.cs

diff --git a/Source/ConformalDecals/MaterialProperties/MaterialKeywordProperty.cs b/Source/ConformalDecals/MaterialProperties/MaterialKeywordProperty.cs
new file mode 100644
index 0000000..c9ee240
--- /dev/null
+++ b/Source/ConformalDecals/MaterialProperties/MaterialKeywordProperty.cs
@@ -0,0 +1,19 @@
+using ConformalDecals.Util;
+using UnityEngine;
+
+namespace ConformalDecals.MaterialProperties {
+    public class MaterialKeywordProperty : MaterialProperty {
+        [SerializeField] public bool value = true;
+        
+        public override void ParseNode(ConfigNode node) {
+            base.ParseNode(node);
+
+            ParseUtil.ParseBoolIndirect(ref value, node, "value");
+        }
+
+        public override void Modify(Material material) {
+            if (value) material.EnableKeyword(_propertyName);
+            else material.DisableKeyword(_propertyName);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Source/ConformalDecals/MaterialProperties/MaterialTextureProperty.cs b/Source/ConformalDecals/MaterialProperties/MaterialTextureProperty.cs
index fbbeacf..3299b0d 100644
--- a/Source/ConformalDecals/MaterialProperties/MaterialTextureProperty.cs
+++ b/Source/ConformalDecals/MaterialProperties/MaterialTextureProperty.cs
@@ -67,6 +67,7 @@ namespace ConformalDecals.MaterialProperties {
             material.SetTexture(_propertyID, _texture);
             material.SetTextureOffset(_propertyID, _textureOffset);
             material.SetTextureScale(_propertyID, _textureScale * _scale);
+            if (_propertyName != "_Decal") material.EnableKeyword("DECAL" + _propertyName.ToUpper());
         }
 
         public void SetScale(Vector2 scale) {