From 2e8a8244a39ffd2cb0f7c0219d9060cb99e07da1 Mon Sep 17 00:00:00 2001
From: Ellpeck <me@ellpeck.de>
Date: Sat, 7 Jan 2023 20:01:22 +0100
Subject: [PATCH] Added RandomExtensions.NextSingle with minimum and maximum
 values

---
 CHANGELOG.md                        |  1 +
 MLEM/Extensions/RandomExtensions.cs | 32 +++++++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5d48cc..b0baded 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@ Additions
 - Added SingleRandom and SeedSource
 - Added TokenizedString.GetArea
 - Added InputHandler.WasPressedForLess and related methods as well as InputHandler.IsPressedIgnoreRepeats
+- Added RandomExtensions.NextSingle with minimum and maximum values
 - **Added the ability to find paths to one of multiple goals using AStar**
 
 Improvements
diff --git a/MLEM/Extensions/RandomExtensions.cs b/MLEM/Extensions/RandomExtensions.cs
index 0741046..0a5871d 100644
--- a/MLEM/Extensions/RandomExtensions.cs
+++ b/MLEM/Extensions/RandomExtensions.cs
@@ -55,5 +55,37 @@ namespace MLEM.Extensions {
             throw new IndexOutOfRangeException();
         }
 
+        /// <summary>
+        /// Returns a random floating-point number that is greater than or equal to 0, and less than <paramref name="maxValue"/>.
+        /// </summary>
+        /// <param name="random">The random.</param>
+        /// <param name="maxValue">The (exclusive) maximum value.</param>
+        /// <returns>A single-precision floating point number that is greater than or equal to 0, and less than <paramref name="maxValue"/>.</returns>
+        public static float NextSingle(this Random random, float maxValue) {
+            return maxValue * random.NextSingle();
+        }
+
+        /// <summary>
+        /// Returns a random floating-point number that is greater than or equal to <paramref name="minValue"/>, and less than <paramref name="maxValue"/>.
+        /// </summary>
+        /// <param name="random">The random.</param>
+        /// <param name="minValue">The (inclusive) minimum value.</param>
+        /// <param name="maxValue">The (exclusive) maximum value.</param>
+        /// <returns>A single-precision floating point number that is greater than or equal to <paramref name="minValue"/>, and less than <paramref name="maxValue"/>.</returns>
+        public static float NextSingle(this Random random, float minValue, float maxValue) {
+            return (maxValue - minValue) * random.NextSingle() + minValue;
+        }
+
+#if !NET6_0_OR_GREATER
+        /// <summary>
+        /// Returns a random floating-point number that is greater than or equal to 0, and less than 1.
+        /// </summary>
+        /// <param name="random">The random.</param>
+        /// <returns>A single-precision floating point number that is greater than or equal to 0, and less than 1.</returns>
+        public static float NextSingle(this Random random) {
+            return (float) random.NextDouble();
+        }
+#endif
+
     }
 }