[Crossfire-wiki] [Crossfire DokuWiki] page changed: user:cavesomething:guide_to_quest_dialogs

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Date        : 2010/03/25 12:18
User        : cavehippo
Edit Summary: Add some general advice

@@ -545,8 +545,34 @@
  
  if the player were not at either step 0 or 1 in this example, then nothing would happen when the event triggered.
  
  NB: Be careful about binding to event_pickup for items that are not taken away as part of a quest soon afterwards, especially for restartable quests, an event_pickup will return 
+ 
+ ===== General Principles =====
+ 
+   * If you have a 'takeitem' instruction in a dialog's post block, you should always have a matching 'item' check in the 'pre' block. - possible exception, if you want to take '0' (ie, all) of an item, whether the player has it or not.
+ 
+   * "takeitem", "money", "0" will work, but don't expect it to win you friends.
+ 
+   * if you are updating a quest as part of a dialog, and you want to only make a quest go forward, not backwards, then you can 'shield' the quest advance rule by putting a similar rule just above it. ie:
+ 
+ <code>
+ {
+   "match" : ["cookie"],
+   "pre" : [["quest", "cookiequest", "30"]],
+   "post" : [],
+   "msg" : ["I already gave you a cookie."]
+   },{
+   "match" : ["cookie"],
+   "pre" : [["quest", "cookiequest", "20"]],
+   "post" : [["quest", "cookiequest", "30"], ["giveitem", "cookie"]],
+   "msg" : ["Well done, have a cookie."]
+   }
+ </code>
+ 
+ This will only give the player one cookie when they do the quest (with more possible later if it is a restartable quest.
+ 
+   * If you have a quest item that the player is given and which they will need later in the quest, then attach the script "python/dialog/questessentialuntil.py" to an event_drop for the object. This will make the player unable to drop the item while they are early on in the quest, and if they pass a stage where it is no longer needed, it will disappear when they drop it. You probably shouldn't use this for a quest reward.
  
  ===== How Do I? =====
  
  The following are common things to want to do, and how to go about doing them.


IP-Address  : 81.141.60.247
Old Revision: http://wiki.metalforge.net/doku.php/user:cavesomething:guide_to_quest_dialogs?rev=1269535272
New Revision: http://wiki.metalforge.net/doku.php/user:cavesomething:guide_to_quest_dialogs

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