Make colours in extended text widget nicer and more extensible, in preparation for CustomTextColours.

ClassicalSharp/2D/Widgets/Chat/AltTextInputWidget.Types.cs

@@ -9,7 +9,7 @@ namespace ClassicalSharp {
 		
 		void InitData() {
 			elements = new Element[] {
-				new Element( "Colours", 8 * 3, 3, "&0█&1█&2█&3█&4█&5█&6█&7█&8█&9█&a█&b█&c█&d█&e█&f█" ),
+				new Element( "Colours", 10, 4, GetColourString() ),
 				new Element( "Math", 16, 1, "ƒ½¼αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°√ⁿ²" ),
 				new Element( "Line/Box", 17, 1, "░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀■" ),
 				new Element( "Letters", 17, 1, "ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜáíóúñÑ" ),
@@ -17,6 +17,25 @@ namespace ClassicalSharp {
 			};
 		}
 		
+		string GetColourString() {
+			int count = 0;
+			for( int i = 0; i < game.Drawer2D.Colours.Length; i++ ) {
+				if( i >= 'A' && i <= 'F' ) continue;
+				if( game.Drawer2D.Colours[i].A > 0 ) count++;
+			}
+			
+			StringBuffer buffer = new StringBuffer( count * 4 );
+			int index = 0;
+			for( int i = 0; i < game.Drawer2D.Colours.Length; i++ ) {
+				if( i >= 'A' && i <= 'F' ) continue;
+				if( game.Drawer2D.Colours[i].A == 0 ) continue;
+				
+				buffer.Append( ref index, '&' ).Append( ref index, (char)i )
+					.Append( ref index, '%' ).Append( ref index, (char)i );
+			}
+			return buffer.ToString();
+		}
+		
 		struct Element {
 			public string Title;
 			public Size TitleSize;
@@ -47,15 +66,14 @@ namespace ClassicalSharp {
 		}
 		
 		unsafe Size CalculateContentSize( Element e, Size* sizes, out Size elemSize ) {
-			int wrap = e.ItemsPerRow / e.CharsPerItem;
 			elemSize = Size.Empty;
 			for( int i = 0; i < e.Contents.Length; i += e.CharsPerItem )
 				elemSize.Width = Math.Max( elemSize.Width, sizes[i / e.CharsPerItem].Width );
 			
 			elemSize.Width += contentSpacing;
 			elemSize.Height = sizes[0].Height + contentSpacing;
-			int rows = Utils.CeilDiv( e.Contents.Length / e.CharsPerItem, wrap );
-			return new Size( elemSize.Width * wrap, elemSize.Height * rows );
+			int rows = Utils.CeilDiv( e.Contents.Length / e.CharsPerItem, e.ItemsPerRow );
+			return new Size( elemSize.Width * e.ItemsPerRow, elemSize.Height * rows );
 		}
 		
 		const int titleSpacing = 10, contentSpacing = 5;

ClassicalSharp/2D/Widgets/Chat/AltTextInputWidget.cs

@@ -12,8 +12,11 @@ namespace ClassicalSharp {
 			this.font = font;
 			this.parent = parent;
 			Active = false;
+			game.Events.ColourCodesChanged += ColourCodesChanged;
 		}
 
+		void ColourCodesChanged( object sender, EventArgs e ) { Redraw(); }
+		
 		public Texture texture;
 		readonly Font font;
 		TextInputWidget parent;
@@ -66,6 +69,7 @@ namespace ClassicalSharp {
 			mouseX -= X; mouseY -= Y;
 			if( IntersectsHeader( mouseX, mouseY ) ) {
 				Dispose();
+				game.Events.ColourCodesChanged += ColourCodesChanged;
 				Redraw();
 			} else {
 				IntersectsBody( mouseX, mouseY );
@@ -105,6 +109,7 @@ namespace ClassicalSharp {
 
 		public override void Dispose() {
 			graphicsApi.DeleteTexture( ref texture );
+			game.Events.ColourCodesChanged -= ColourCodesChanged;
 		}
 	}
 }

ClassicalSharp/Events/Events.cs

@@ -39,6 +39,10 @@ namespace ClassicalSharp {
 		public event EventHandler HackPermissionsChanged;
 		internal void RaiseHackPermissionsChanged() { Raise( HackPermissionsChanged ); }
 		
+		/// <summary> Raised when the colour codes usable by the player changes. </summary>
+		public event EventHandler ColourCodesChanged;
+		internal void RaiseColourCodesChanged() { Raise( ColourCodesChanged ); }
+	
 		ChatEventArgs chatArgs = new ChatEventArgs();		
 		protected void Raise( EventHandler handler ) {
 			if( handler != null )

ClassicalSharp/Network/NetworkProcessor.CPE.cs

@@ -536,6 +536,7 @@ namespace ClassicalSharp {
 			if( (code >= '0' && code <= '9') || (code >= 'a' && code <= 'f') 
 			   || (code >= 'A' && code <= 'F') ) return; // Standard chars cannot be used.
 			game.Drawer2D.Colours[code] = col;
+			game.Events.RaiseColourCodesChanged();
 		}
 		
 		static SoundType[] stepSnds, breakSnds;

ClassicalSharp/Singleplayer/Server.cs

@@ -39,10 +39,9 @@ namespace ClassicalSharp.Singleplayer {
 		}
 		
 		public override void SendChat( string text, bool partial ) {
-			if( !String.IsNullOrEmpty( text ) ) {
-				text = text.TrimEnd();
-				game.Chat.Add( text, MessageType.Normal );
-			}
+			if( String.IsNullOrEmpty( text ) ) return;
+			text = text.TrimEnd().Replace( '%', '&' );
+			game.Chat.Add( text, MessageType.Normal );
 		}
 		
 		public override void SendPosition( Vector3 pos, float yaw, float pitch ) {