From 8c27b1488a93ef3c3fdcaf019931d0e6c4c64e70 Mon Sep 17 00:00:00 2001
From: Reid <reidyaro@gmail.com>
Date: Mon, 11 Apr 2016 04:00:13 +0200
Subject: Add compareandsetq function, it compares a given quest variable's
 value with the current one, if both vals are equals, it sets the variable
 with a new value.

---
 npc/functions/main.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'npc/functions/main.txt')

diff --git a/npc/functions/main.txt b/npc/functions/main.txt
index f2dad770..420f2b79 100644
--- a/npc/functions/main.txt
+++ b/npc/functions/main.txt
@@ -172,3 +172,16 @@ function	script	askyesno	{
     return select (menuaction(l("Yes")),
         menuaction(l("No")));
 }
+
+// Argument:
+//  0 Quest variable
+//  1 Current value
+//  2 Next value
+function	script	compareandsetq	{
+    if (getq (getarg(0)) == getarg(1))
+    {
+        setq getarg(0), getarg(2);
+        return true;
+    }
+    return false;
+}
-- 
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