invalid ID constants

Author: itsneufox

omp_npc.inc

@@ -46,6 +46,24 @@
 const INVALID_NPC_ID                           = -1;
 #define INVALID_NPC_ID                         (-1)
 
+/**
+ * <library>omp_npc</library>
+ */
+const INVALID_PATH_ID                          = -1;
+#define INVALID_PATH_ID                        (-1)
+
+/**
+ * <library>omp_npc</library>
+ */
+const INVALID_NODE_ID                          = -1;
+#define INVALID_NODE_ID                        (-1)
+
+/**
+ * <library>omp_npc</library>
+ */
+const INVALID_RECORD_ID                        = -1;
+#define INVALID_RECORD_ID                      (-1)
+
 /**
  * <library>omp_npc</library>
  */