diff --git a/NewHorizons/Builder/Body/ProcGenBuilder.cs b/NewHorizons/Builder/Body/ProcGenBuilder.cs
index 754252dc..913ea72c 100644
--- a/NewHorizons/Builder/Body/ProcGenBuilder.cs
+++ b/NewHorizons/Builder/Body/ProcGenBuilder.cs
@@ -62,14 +62,23 @@ namespace NewHorizons.Builder.Body
                 material.name = planetGO.name;
                 if (module.material == ProcGenModule.Material.Default)
                 {
-                    if (!string.IsNullOrEmpty(module.texturePath))
+                    if (!string.IsNullOrEmpty(module.texture))
                     {
-                        material.SetTexture($"_BaseTileAlbedo", ImageUtilities.GetTexture(mod, module.texturePath, wrap: true));
+                        material.SetTexture($"_BaseTileAlbedo", ImageUtilities.GetTexture(mod, module.texture, wrap: true));
                     }
                     else
                     {
                         material.mainTexture = ImageUtilities.MakeSolidColorTexture(1, 1, module.color?.ToColor() ?? Color.white);
                     }
+                    if (!string.IsNullOrEmpty(module.smoothnessMap))
+                    {
+                        material.SetTexture($"_BaseTileSmoothnessMap", ImageUtilities.GetTexture(mod, module.smoothnessMap, wrap: true));
+                    }
+                    if (!string.IsNullOrEmpty(module.normalMap))
+                    {
+                        material.SetFloat($"_BaseTileBumpStrength", module.normalStrength);
+                        material.SetTexture($"_BaseTileBumpMap", ImageUtilities.GetTexture(mod, module.normalMap, wrap: true));
+                    }
                 }
                 else
                 {
@@ -94,8 +103,8 @@ namespace NewHorizons.Builder.Body
                     }
                 }
 
-                material.SetFloat("_Smoothness", 0.1f);
-                material.SetFloat("_Metallic", 0.1f);
+                material.SetFloat("_Smoothness", module.smoothness);
+                material.SetFloat("_Metallic", module.metallic);
 
                 _materialCache[module] = material;
             }
diff --git a/NewHorizons/External/Modules/ProcGenModule.cs b/NewHorizons/External/Modules/ProcGenModule.cs
index f96e632a..273005df 100644
--- a/NewHorizons/External/Modules/ProcGenModule.cs
+++ b/NewHorizons/External/Modules/ProcGenModule.cs
@@ -1,3 +1,4 @@
+using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
 using System.Runtime.Serialization;
 using NewHorizons.External.SerializableData;
@@ -20,14 +21,47 @@ namespace NewHorizons.External.Modules
         public MColor color;
 
         /// <summary>
-        /// Can pick a preset material with a texture from the base game. Does not work with color.
+        /// Can pick a preset material with a texture from the base game. Does not work with color or any textures.
         /// </summary>
         public Material material;
 
         /// <summary>
         /// Can use a custom texture. Does not work with material or color.
         /// </summary>
-        public string texturePath;
+        public string texture;
+
+        /// <summary>
+        /// Relative filepath to the texture used for the terrain's smoothness and metallic, which are controlled by the texture's alpha and red channels respectively. Optional.
+        /// Typically black with variable transparency, when metallic isn't wanted.
+        /// </summary>
+        public string smoothnessMap;
+
+        /// <summary>
+        /// How "glossy" the surface is, where 0 is diffuse, and 1 is like a mirror.
+        /// Multiplies with the alpha of the smoothness map if using one.
+        /// </summary>
+        [Range(0f, 1f)]
+        [DefaultValue(0f)]
+        public float smoothness = 0f;
+
+        /// <summary>
+        /// How metallic the surface is, from 0 to 1.
+        /// Multiplies with the red of the smoothness map if using one.
+        /// </summary>
+        [Range(0f, 1f)]
+        [DefaultValue(0f)]
+        public float metallic = 0f;
+
+        /// <summary>
+        /// Relative filepath to the texture used for the normal (aka bump) map. Optional.
+        /// </summary>
+        public string normalMap;
+
+        /// <summary>
+        /// Strength of the normal map. Usually 0-1, but can go above, or negative to invert the map.
+        /// </summary>
+        [DefaultValue(1f)]
+        public float normalStrength = 1f;
 
         [JsonConverter(typeof(StringEnumConverter))]
         public enum Material