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-rw-r--r--npc/functions/math.txt24
1 files changed, 24 insertions, 0 deletions
diff --git a/npc/functions/math.txt b/npc/functions/math.txt
index ebb9ee069..a07b46280 100644
--- a/npc/functions/math.txt
+++ b/npc/functions/math.txt
@@ -68,3 +68,27 @@ function script log2 {
return .@i;
}
+
+// result is: lower < target <= higher
+// is_between ( lower, higher, target)
+function script is_between {
+ .@val=getarg(2);
+ return (getarg(0) < .@val && getarg(1) >= .@val);
+}
+
+
+// result is the ponderate average.
+// ponderate_avg ( arg1, sub1, arg2, sub2)
+function script ponderate_avg {
+ .@a1=getarg(0);
+ .@s1=getarg(1);
+ .@a2=getarg(2);
+ .@s2=getarg(3);
+
+ .@h1=.@a1*.@s1;
+ .@h2=.@a1*.@s1;
+ .@dd=.@s1+.@s2;
+
+ return (.@h1+.@h2)/.@dd;
+}
+