From e7bd09b8b0a779b42cdcc0d580a03e52057854b1 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Fri, 4 May 2018 17:53:54 +1000
Subject: [PATCH] Fix crashing when /tp ing to extremely large positions
 (Thanks cybertoon)

---
 ClassicalSharp/2D/Utils/TextAtlas.cs | 2 +-
 ClassicalSharp/Utils/StringBuffer.cs | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/ClassicalSharp/2D/Utils/TextAtlas.cs b/ClassicalSharp/2D/Utils/TextAtlas.cs
index 327359bc0..39849c546 100644
--- a/ClassicalSharp/2D/Utils/TextAtlas.cs
+++ b/ClassicalSharp/2D/Utils/TextAtlas.cs
@@ -67,7 +67,7 @@ namespace ClassicalSharp {
 			}
 
 			char[] digits = StringBuffer.numBuffer;
-			int count = StringBuffer.MakeNum(value);
+			int count = StringBuffer.MakeNum((uint)value);
 			for (int i = count - 1; i >= 0; i--) {
 				Add(digits[i] - '0', vertices, ref index);
 			}
diff --git a/ClassicalSharp/Utils/StringBuffer.cs b/ClassicalSharp/Utils/StringBuffer.cs
index 6c6a7bf56..229954d23 100644
--- a/ClassicalSharp/Utils/StringBuffer.cs
+++ b/ClassicalSharp/Utils/StringBuffer.cs
@@ -37,7 +37,7 @@ namespace ClassicalSharp {
 		}
 		
 		internal static char[] numBuffer = new char[20];
-		internal static int MakeNum(int num) {
+		internal static int MakeNum(uint num) {
 			int len = 0;
 			do {
 				numBuffer[len] = (char)('0' + (num % 10));
@@ -47,7 +47,8 @@ namespace ClassicalSharp {
 		}
 		
 		public StringBuffer AppendNum(int num) {
-			int numLen = MakeNum(num);
+			if (num < 0) { Append('-'); num = -num; }
+			int numLen = MakeNum((uint)num);
 			for (int i = numLen - 1; i >= 0; i--)
 				value[Length++] = numBuffer[i];
 			return this;
@@ -56,7 +57,7 @@ namespace ClassicalSharp {
 		public StringBuffer AppendPaddedNum(int minDigits, int num) {
 			for (int i = 0; i < minDigits; i++)
 				numBuffer[i] = '0';
-			int numLen = Math.Max(minDigits, MakeNum(num));
+			int numLen = Math.Max(minDigits, MakeNum((uint)num));
 			for (int i = numLen - 1; i >= 0; i--)
 				value[Length++] = numBuffer[i];
 			return this;