omp_object.inc: Add MAX_OBJECT_MATERIAL_SLOTS define

Author: Northn

omp_object.inc

@@ -40,6 +40,21 @@
 	#define MAX_OBJECTS                        2000
 #endif
 
+/**
+ * <library>omp_object</library>
+ */
+#if defined MAX_OBJECT_MATERIAL_SLOTS
+	#if MAX_OBJECT_MATERIAL_SLOTS < 1 || MAX_OBJECT_MATERIAL_SLOTS > 16
+		#error MAX_OBJECT_MATERIAL_SLOTS must be >= 1 and <= 16
+	#endif
+
+	const __MAX_OBJECT_MATERIAL_SLOTS      	   = MAX_OBJECT_MATERIAL_SLOTS;
+	#define __MAX_OBJECT_MATERIAL_SLOTS
+#else
+	const MAX_OBJECT_MATERIAL_SLOTS            = 16;
+	#define MAX_OBJECT_MATERIAL_SLOTS          16
+#endif
+
 /**
  * <library>omp_object</library>
  */