Added NWN Dark Sun module contents

Added NWN Dark Sun module contents.

nwnds_module/ar_d0_nexthead.nss

@@ -0,0 +1,14 @@
+// Set this to the max #Of Heads.
+const int AR_MAX_HEAD_MODELS = 181;
+
+void main()
+{
+    // Find current Head model and increment by 1
+    int nModel = GetLocalInt(OBJECT_SELF, "AR_CURRENT_HEAD");
+    nModel = nModel + 1;
+    // Reset to 1 if past max
+    if(nModel > AR_MAX_HEAD_MODELS) nModel = 1;
+    SetLocalInt(OBJECT_SELF, "AR_CURRENT_HEAD", nModel);
+    SetCreatureBodyPart(CREATURE_PART_HEAD,nModel,OBJECT_SELF);
+
+}