Add random_range_float; make random_range consistent with YS3's behav…

…iour.

Fixes #389.

CHANGELOG.md

@@ -10,6 +10,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Changed
 
+- `random_range(min, max)` now returns a random integer between `min` and `max`, inclusive. (Previously, it returned a float.)
+- Added a new function, `random_range_float` now returns a random float between `min` and `max`, inclusive. (This is the previous behaviour of `random_range`.)
+
 ### Removed
 
 ## [2.4.2] 2024-02-24

YarnSpinner/Dialogue.cs

@@ -1142,7 +1142,12 @@ public StandardLibrary()
                     return Random.NextDouble();
                 });
 
-                this.RegisterFunction("random_range", delegate (float minInclusive, float maxInclusive)
+                this.RegisterFunction("random_range", (float min, float max) =>
+               {
+                   return Random.Next((int)max - (int)min + 1) + min;
+               });
+
+                this.RegisterFunction("random_range_float", delegate (float minInclusive, float maxInclusive)
                 {
                     var t = Random.NextDouble();
                     return minInclusive + t * (maxInclusive - minInclusive);