Script to check if a player knows (through the knowledge system) something or not.

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@13369 282e977c-c81d-0410-88c4-b93c2d0d6712

python/dialog/pre/knowledgeknown.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+#knowledgeknown.py
+# This is one of the files that can be called by an npc_dialog,
+# The following code runs when a dialog has a pre rule of 'knowledgeknown'
+# The syntax is ["knowledgeknown", "knowledge"]
+# To deliver a True verdict, the player must have the knowledge represented
+# by "knowledge" (specific format depending on the format).
+#
+## DIALOGCHECK
+## MINARGS 1
+## MAXARGS 1
+## .*
+## \*
+## ENDDIALOGCHECK
+
+knowledge = args[0]
+if not character.KnowledgeKnown(knowledge):
+    verdict = False