From 96da756918fef8acf1031a4b8793d2e6b8d853ac Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Thu, 11 Feb 2016 07:47:38 +1100
Subject: [PATCH] Fix singleplayer maps always being generated with seed 0.
 (Thanks McBean56545)

---
 ClassicalSharp/2D/Screens/Menu/GenLevelScreen.cs     | 11 ++++++++++-
 ClassicalSharp/2D/Widgets/Menu/MenuInputValidator.cs |  2 +-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/ClassicalSharp/2D/Screens/Menu/GenLevelScreen.cs b/ClassicalSharp/2D/Screens/Menu/GenLevelScreen.cs
index 2d3d92d32..c91767b0b 100644
--- a/ClassicalSharp/2D/Screens/Menu/GenLevelScreen.cs
+++ b/ClassicalSharp/2D/Screens/Menu/GenLevelScreen.cs
@@ -135,7 +135,7 @@ namespace ClassicalSharp {
 		void GenerateMap( IMapGenerator gen ) {
 			SinglePlayerServer server = (SinglePlayerServer)game.Network;
 			int width = GetInt( 0 ), height = GetInt( 1 );
-			int length = GetInt( 2 ), seed = GetInt( 3 );
+			int length = GetInt( 2 ), seed = GetSeedInt( 3 );
 			
 			long volume = (long)width * height * length;
 			if( volume > 800 * 800 * 800 ) {
@@ -153,5 +153,14 @@ namespace ClassicalSharp {
 				return 0;
 			return text == "" ? 0 : Int32.Parse( text );
 		}
+		
+		int GetSeedInt( int index ) {
+			string text = inputs[index].GetText();
+			if( text == "" ) return new Random().Next();
+			
+			if( !inputs[index].Validator.IsValidValue( text ) )
+				return 0;
+			return text == "" ? 0 : Int32.Parse( text );
+		}
 	}
 }
\ No newline at end of file
diff --git a/ClassicalSharp/2D/Widgets/Menu/MenuInputValidator.cs b/ClassicalSharp/2D/Widgets/Menu/MenuInputValidator.cs
index 0300359b9..3ae7c2d3b 100644
--- a/ClassicalSharp/2D/Widgets/Menu/MenuInputValidator.cs
+++ b/ClassicalSharp/2D/Widgets/Menu/MenuInputValidator.cs
@@ -72,7 +72,7 @@ namespace ClassicalSharp {
 	
 	public sealed class SeedValidator : IntegerValidator {
 		
-		public SeedValidator() : base( 0, 0 ) { }
+		public SeedValidator() : base( int.MinValue, int.MaxValue ) { }
 		
 		protected override void SetRange() {
 			Range = "&7(an integer)";