Add a simple to use script that make use of NPC dialog

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@7930 282e977c-c81d-0410-88c4-b93c2d0d6712

python/CFDialog.py

@@ -160,6 +160,7 @@ class Dialog:
                     self.__speaker.Say(rule.getMessage())
                     self.setConditions(rule)
                     return 0
+        return 1
     def isAnswer(self,msg, keyword):
         if keyword=="*":
             return 1

python/misc/npc_dialog.py

@@ -0,0 +1,70 @@
+# npc_dialog.py - Dialog helper class
+#
+# Copyright (C) 2007 David Delbecq
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#
+# This is a simple script that make use of CFDialog.py and receive it's
+# parameters from a JSON inside the event message
+# exemple
+#{
+#  "location" : "test_grandpa_01",
+#  "rules": [
+#  {
+#    "match" : "hello|hi",
+#    "pre" : [["hello","0"]],
+#    "post" : [["hello","1"]],
+#    "msg" : ["Hello, lad!","Hi, young fellow!","Howdy!"]
+#  },
+#  {
+#    "match": "hello|hi",
+#    "pre" :[["hello","1"]],
+#    "post" :[["hello", "*"]],
+#    "msg" : ["I've heard, you know, I'm not deaf *grmbl*"]
+#  },
+#  {
+#    "match" : "*",
+#    "pre" : [["hello","*"]],
+#    "post" : [["hello", "*"]],
+#    "msg" : ["What ?", "Huh ?", "What do you want ?"]
+#  }
+#]}
+# The pre and post in rule are variable to test and set depending on that dialog rule.
+# For example, first rule applie if "hello" is set to "0"  (default) and immediatly 
+# sets it to "1" when rule is used.
+# the Double [ around pre and post are needed. The pre and post are
+# arrays of arrays. Each item in pre and post is an array of [variable,value]
+# The match is the rule to apply to what user says
+
+import Crossfire
+
+from CFDialog import DialogRule, Dialog
+
+import cjson
+event = Crossfire.WhatIsEvent()
+player = Crossfire.WhoIsActivator()
+npc = Crossfire.WhoAmI()
+parameters = cjson.decode(event.Message)
+location = parameters["location"];
+speech = Dialog(player, npc, location)
+index=0;
+
+for jsonRule in parameters["rules"]:
+    speech.addRule(DialogRule(jsonRule["match"], jsonRule["pre"], jsonRule["msg"], jsonRule["post"]),index)
+    index=index+1
+        
+if speech.speak(Crossfire.WhatIsMessage()) == 0:
+    Crossfire.SetReturnValue(1)