Initial implementation of being able to switch between arial and default.png (only works for FPSscreen right now)

ClassicalSharp/2D/Drawing/GdiPlusDrawer2D.Text.cs

@@ -5,13 +5,14 @@ using ClassicalSharp.GraphicsAPI;
 
 namespace ClassicalSharp {
 
-	public sealed class GdiPlusDrawerFont : GdiPlusDrawer2D {
+	public sealed partial class GdiPlusDrawer2D {
 		
 		StringFormat format;
 		Bitmap measuringBmp;
 		Graphics measuringGraphics;
 		
-		public GdiPlusDrawerFont( IGraphicsApi graphics ) : base( graphics ) {
+		public GdiPlusDrawer2D( IGraphicsApi graphics ) {
+			this.graphics = graphics;
 			format = StringFormat.GenericTypographic;
 			format.FormatFlags |= StringFormatFlags.MeasureTrailingSpaces;
 			format.Trimming = StringTrimming.None;
@@ -62,7 +63,7 @@ namespace ClassicalSharp {
 			format.Trimming = StringTrimming.None;
 		}
 		
-		public override Size MeasureSize( ref DrawTextArgs args ) {			
+		public override Size MeasureSize( ref DrawTextArgs args ) {
 			GetTextParts( args.Text );
 			SizeF total = SizeF.Empty;
 			for( int i = 0; i < parts.Count; i++ ) {
@@ -77,8 +78,7 @@ namespace ClassicalSharp {
 			return Size.Ceiling( total );
 		}
 		
-		public override void DisposeInstance() {
+		void DisposeText() {
-			base.DisposeInstance();
 			measuringGraphics.Dispose();
 			measuringBmp.Dispose();
 		}

ClassicalSharp/2D/Drawing/GdiPlusDrawer2D.TextMC.cs

@@ -4,7 +4,7 @@ using ClassicalSharp.GraphicsAPI;
 
 namespace ClassicalSharp {
 
-	public unsafe sealed class GdiPlusDrawerMCFont : GdiPlusDrawer2D {
+	public unsafe sealed partial class GdiPlusDrawer2D {
 		
 		// NOTE: This drawer is still a big work in progress and not close to done
 		// TODO: italic and bold
@@ -13,10 +13,7 @@ namespace ClassicalSharp {
 		int boxSize;
 		const int italicSize = 8;
 		
-		public GdiPlusDrawerMCFont( IGraphicsApi graphics ) : base( graphics ) {	
+		public override void SetFontBitmap( Bitmap bmp ) {
-		}
-		
-		public void SetFontBitmap( Bitmap bmp ) {
 			fontBmp = bmp;
 			boxSize = fontBmp.Width / 16;
 			fontPixels = new FastBitmap( fontBmp, true );
@@ -45,7 +42,7 @@ namespace ClassicalSharp {
 			widths[i] = 0;
 		}
 		
-		public override void DrawText( ref DrawTextArgs args, int x, int y ) {
+		public override void DrawBitmappedText( ref DrawTextArgs args, int x, int y ) {
 			if( !args.SkipPartsCheck )
 				GetTextParts( args.Text );
 			
@@ -106,11 +103,7 @@ namespace ClassicalSharp {
 			}
 		}
 		
-		public override void DrawClippedText( ref DrawTextArgs args, int x, int y, float maxWidth, float maxHeight ) {
+		public override Size MeasureBitmappedSize( ref DrawTextArgs args ) {
-			throw new NotImplementedException( "Clipped text not implemented yet with minecraft font" );
-		}
-		
-		public override Size MeasureSize( ref DrawTextArgs args ) {
 			GetTextParts( args.Text );
 			float point = args.Font.Size;
 			Size total = new Size( 0, PtToPx( point, boxSize ) );
@@ -149,8 +142,7 @@ namespace ClassicalSharp {
 			return (int)Math.Ceiling( (value / boxSize) * point / 72f * 96f );
 		}
 		
-		public override void DisposeInstance() {
+		void DisposeBitmappedText() {
-			base.DisposeInstance();
 			fontPixels.Dispose();
 			fontBmp.Dispose();
 		}

ClassicalSharp/2D/Drawing/GdiPlusDrawer2D.cs

@@ -3,19 +3,14 @@ using System.Collections.Generic;
 using System.Drawing;
 using System.Drawing.Drawing2D;
 using System.Drawing.Text;
-using ClassicalSharp.GraphicsAPI;
 
 namespace ClassicalSharp {
 
-	public abstract class GdiPlusDrawer2D : IDrawer2D {
+	public sealed partial class GdiPlusDrawer2D : IDrawer2D {
 
-		Dictionary<int, SolidBrush> brushCache = new Dictionary<int, SolidBrush>( 16 );
+		Dictionary<int, SolidBrush> brushCache = new Dictionary<int, SolidBrush>( 16 );		
-		
+		Graphics g;
-		protected Graphics g;
+		Bitmap curBmp;
-		protected Bitmap curBmp;
-		public GdiPlusDrawer2D( IGraphicsApi graphics ) {
-			this.graphics = graphics;
-		}
 		
 		public override void SetBitmap( Bitmap bmp ) {
 			if( g != null ) {
@@ -87,17 +82,19 @@ namespace ClassicalSharp {
 		}
 		
 		public override void DisposeInstance() {
-			foreach( var pair in brushCache ) {
+			foreach( var pair in brushCache )
 				pair.Value.Dispose();
-			}
+			
+			DisposeText();
+			DisposeBitmappedText();
 		}
 		
-		protected SolidBrush GetOrCreateBrush( Color color ) {
+		SolidBrush GetOrCreateBrush( Color color ) {
 			int key = color.ToArgb();
 			SolidBrush brush;
-			if( brushCache.TryGetValue( key, out brush ) ) {
+			if( brushCache.TryGetValue( key, out brush ) )
 				return brush;
-			}
+			
 			brush = new SolidBrush( color );
 			brushCache[key] = brush;
 			return brush;

ClassicalSharp/2D/Drawing/IDrawer2D.cs

@@ -16,14 +16,6 @@ namespace ClassicalSharp {
 		/// <summary> Sets the underlying bitmap that drawing operations will be performed on. </summary>
 		public abstract void SetBitmap( Bitmap bmp );
 		
-		/// <summary> Draws a string using the specified arguments and fonts at the
-		/// specified coordinates in the currently bound bitmap. </summary>
-		public abstract void DrawText( ref DrawTextArgs args, int x, int y );
-		
-		/// <summary> Draws a string using the specified arguments and fonts at the
-		/// specified coordinates in the currently bound bitmap, clipping if necessary. </summary>
-		public abstract void DrawClippedText( ref DrawTextArgs args, int x, int y, float maxWidth, float maxHeight );
-		
 		/// <summary> Draws a 2D flat rectangle of the specified dimensions at the
 		/// specified coordinates in the currently bound bitmap. </summary>
 		public abstract void DrawRect( FastColour colour, int x, int y, int width, int height );
@@ -55,30 +47,85 @@ namespace ClassicalSharp {
 			src = newBmp;
 		}
 		
+		
+		/// <summary> Draws a string using the specified arguments and font at the
+		/// specified coordinates in the currently bound bitmap. </summary>
+		public abstract void DrawText( ref DrawTextArgs args, int x, int y );
+		
+		/// <summary> Draws a string using the specified arguments and fonts at the
+		/// specified coordinates in the currently bound bitmap, clipping if necessary. </summary>
+		public abstract void DrawClippedText( ref DrawTextArgs args, int x, int y, float maxWidth, float maxHeight );
+		
+		/// <summary> Draws a string using the specified arguments and the current bitmapped font at the
+		/// specified coordinates in the currently bound bitmap. </summary>
+		public abstract void DrawBitmappedText( ref DrawTextArgs args, int x, int y );
+		
+		/// <summary> Draws a string using the specified arguments, using the specified font or 
+		/// the current bitmapped font depending on the 'useFont' argument, at the
+		/// specified coordinates in the currently bound bitmap. </summary>
+		public void DrawChatText( bool useFont, ref DrawTextArgs args, int windowX, int windowY ) {
+			if( useFont )
+				DrawText( ref args, windowX, windowY );
+			else
+				DrawBitmappedText( ref args, windowX, windowY );
+		}
+		
 		/// <summary> Returns the size of a bitmap needed to contain the specified text with the given arguments. </summary>
 		public abstract Size MeasureSize( ref DrawTextArgs args );
 		
-		/// <summary> Disposes of all native resources used by this class. </summary>
+		/// <summary> Returns the size of a bitmap needed to contain the specified text with the given arguments,
-		/// <remarks> You will no longer be able to perform measuring or drawing calls after this. </remarks>
+		/// when drawn with the current bitmapped font. </summary>
-		public abstract void DisposeInstance();
+		public abstract Size MeasureBitmappedSize( ref DrawTextArgs args );
+		
+		/// <summary> Returns the size of a bitmap needed to contain the specified text with the given arguments,
+		/// when drawn with the specified font or the current bitmapped font depending on the 'useFont' argument. </summary>
+		public Size MeasureChatSize( bool useFont, ref DrawTextArgs args ) {
+			return useFont ? MeasureSize( ref args ) : 
+				MeasureBitmappedSize( ref args );
+		}
+		
+		/// <summary> Sets the bitmap that contains the bitmapped font characters as an atlas. </summary>
+		public abstract void SetFontBitmap( Bitmap bmp );
 		
 		/// <summary> Draws the specified string from the arguments into a new bitmap,
-		/// them creates a 2D texture with origin at the specified window coordinates. </summary>
+		/// then creates a 2D texture with origin at the specified window coordinates. </summary>
 		public Texture MakeTextTexture( ref DrawTextArgs args, int windowX, int windowY ) {
 			Size size = MeasureSize( ref args );
 			if( parts.Count == 0 )
 				return new Texture( -1, windowX, windowY, 0, 0, 1, 1 );
-			
+			return MakeTextureImpl( size, ref args, windowX, windowY, false );
+		}
+		
+		/// <summary> Draws the specified string from the arguments into a new bitmap,
+		/// using the current bitmap font, then creates a 2D texture with origin at the 
+		/// specified window coordinates. </summary>
+		public Texture MakeBitmappedTextTexture( ref DrawTextArgs args, int windowX, int windowY ) {
+			Size size = MeasureBitmappedSize( ref args );
+			if( parts.Count == 0 )
+				return new Texture( -1, windowX, windowY, 0, 0, 1, 1 );
+			return MakeTextureImpl( size, ref args, windowX, windowY, true );
+		}
+		
+		Texture MakeTextureImpl( Size size, ref DrawTextArgs args, 
+		                        int windowX, int windowY, bool bitmapped ) {
 			using( Bitmap bmp = CreatePow2Bitmap( size ) ) {
 				SetBitmap( bmp );
 				args.SkipPartsCheck = true;
 				
-				DrawText( ref args, 0, 0 );
+				if( !bitmapped )
+					DrawText( ref args, 0, 0 );
+				else
+					DrawBitmappedText( ref args, 0, 0 );
 				Dispose();
 				return Make2DTexture( bmp, size, windowX, windowY );
 			}
 		}
 		
+		
+		/// <summary> Disposes of all native resources used by this class. </summary>
+		/// <remarks> You will no longer be able to perform measuring or drawing calls after this. </remarks>
+		public abstract void DisposeInstance();
+		
 		/// <summary> Creates a 2D texture with origin at the specified window coordinates. </summary>
 		public Texture Make2DTexture( Bitmap bmp, Size used, int windowX, int windowY ) {
 			int texId = graphics.CreateTexture( bmp );

ClassicalSharp/2D/Screens/FpsScreen.cs

@@ -6,15 +6,13 @@ namespace ClassicalSharp {
 	
 	public class FpsScreen : Screen {
 		
-		readonly Font font, posFont;
+		Font font, posFont;
 		StringBuffer text;
 		
 		public FpsScreen( Game game ) : base( game ) {
-			font = new Font( "Arial", 13 );
-			posFont = new Font( "Arial", 12, FontStyle.Italic );
 			text = new StringBuffer( 96 );
 		}
-		
+
 		TextWidget fpsTextWidget, hackStatesWidget;
 		Texture posTexture;
 		public override void Render( double delta ) {
@@ -56,18 +54,22 @@ namespace ClassicalSharp {
 		}
 		
 		public override void Init() {
-			fpsTextWidget = new TextWidget( game, font );
+			font = new Font( "Arial", 13 );
+			posFont = new Font( "Arial", 12, FontStyle.Italic );
+			game.Events.ChatFontChanged += ChatFontChanged;
+			
+			fpsTextWidget = new ChatTextWidget( game, font );
 			fpsTextWidget.XOffset = 2;
 			fpsTextWidget.YOffset = 2;
 			fpsTextWidget.Init();
 			fpsTextWidget.SetText( "FPS: no data yet" );
 			MakePosTextWidget();
 			
-			hackStatesWidget = new TextWidget( game, posFont );
+			hackStatesWidget = new ChatTextWidget( game, posFont );
 			hackStatesWidget.XOffset = 2;
 			hackStatesWidget.YOffset = fpsTextWidget.Height + posHeight + 2;
 			hackStatesWidget.Init();
-			UpdateHackState( true );
+			UpdateHackState( true );		
 		}
 		
 		public override void Dispose() {
@@ -75,6 +77,12 @@ namespace ClassicalSharp {
 			posFont.Dispose();
 			fpsTextWidget.Dispose();
 			graphicsApi.DeleteTexture( ref posTexture );
+			game.Events.ChatFontChanged -= ChatFontChanged;
+		}
+		
+		void ChatFontChanged( object sender, EventArgs e ) {
+			Dispose();
+			Init();
 		}
 		
 		public override void OnResize( int oldWidth, int oldHeight, int width, int height ) {
@@ -122,23 +130,23 @@ namespace ClassicalSharp {
 			DrawTextArgs args = new DrawTextArgs( "", posFont, true );
 			for( int i = 0; i < possibleChars.Length; i++ ) {
 				args.Text = new String( possibleChars[i], 1 );
-				widths[i] = game.Drawer2D.MeasureSize( ref args ).Width;
+				widths[i] = game.Drawer2D.MeasureChatSize( game.UseArial, ref args ).Width;
 			}
 			
 			using( IDrawer2D drawer = game.Drawer2D ) {
 				args.Text = "Feet pos: ";
-				Size size = game.Drawer2D.MeasureSize( ref args );
+				Size size = game.Drawer2D.MeasureChatSize( game.UseArial, ref args );
 				baseWidth = size.Width;
 				size.Width += 16 * possibleChars.Length;
 				posHeight = size.Height;
 				
 				using( Bitmap bmp = IDrawer2D.CreatePow2Bitmap( size ) ) {
 					drawer.SetBitmap( bmp );
-					drawer.DrawText( ref args, 0, 0 );
+					drawer.DrawChatText( game.UseArial, ref args, 0, 0 );
 					
 					for( int i = 0; i < possibleChars.Length; i++ ) {
 						args.Text = new String( possibleChars[i], 1 );
-						drawer.DrawText( ref args, baseWidth + 16 * i, 0 );
+						drawer.DrawChatText( game.UseArial, ref args, baseWidth + 16 * i, 0 );
 					}
 					
 					int y = fpsTextWidget.Height + 2;
@@ -150,7 +158,6 @@ namespace ClassicalSharp {
 			}
 		}
 		
-		
 		void AddChar( int charIndex, ref int index ) {
 			int width = widths[charIndex];
 			TextureRec xy = new TextureRec( curX, posTexture.Y1, width, posTexture.Height );

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

@@ -0,0 +1,46 @@
+using System;
+using System.Drawing;
+
+namespace ClassicalSharp {
+	
+	/// <summary> Draws text to the screen, uses the given font when the user has specified 'use arial' in options,
+	/// otherwise draws text using the bitmapped font in default.png </summary>
+	public sealed class ChatTextWidget : TextWidget {
+		
+		public ChatTextWidget( Game game, Font font ) : base( game, font ) {
+		}
+		
+		public static ChatTextWidget Create( Game game, int x, int y, string text, Anchor horizontal, Anchor vertical, Font font ) {
+			ChatTextWidget widget = new ChatTextWidget( game, font );
+			widget.Init();
+			widget.HorizontalAnchor = horizontal; widget.VerticalAnchor = vertical;
+			widget.XOffset = x; widget.YOffset = y;
+			widget.SetText( text );
+			return widget;
+		}
+		
+		public override void Init() {
+			DrawTextArgs args = new DrawTextArgs( "I", font, true );
+			defaultHeight = game.Drawer2D.MeasureChatSize( game.UseArial, ref args ).Height;
+			Height = defaultHeight;
+		}
+		
+		public override void SetText( string text ) {
+			graphicsApi.DeleteTexture( ref texture );
+			if( String.IsNullOrEmpty( text ) ) {
+				texture = new Texture();
+				Height = defaultHeight;
+			} else {
+				DrawTextArgs args = new DrawTextArgs( text, font, true );
+				if( game.UseArial )
+					texture = game.Drawer2D.MakeTextTexture( ref args, 0, 0 );
+				else
+					texture = game.Drawer2D.MakeBitmappedTextTexture( ref args, 0, 0 );
+				X = texture.X1 = CalcOffset( game.Width, texture.Width, XOffset, HorizontalAnchor );
+				Y = texture.Y1 = CalcOffset( game.Height, texture.Height, YOffset, VerticalAnchor );
+				Height = texture.Height;
+			}
+			Width = texture.Width;
+		}
+	}
+}

ClassicalSharp/2D/Widgets/Menu/MenuInputWidget.cs

@@ -40,7 +40,7 @@ namespace ClassicalSharp {
 		public MenuInputValidator Validator;
 		
 		double accumulator;
-		public override void Render( double delta ) {		
+		public override void Render( double delta ) {
 			chatInputTexture.Render( graphicsApi );
 			if( (accumulator % 1) >= 0.5 )
 				chatCaretTexture.Render( graphicsApi );
@@ -57,7 +57,7 @@ namespace ClassicalSharp {
 			chatInputText.Append( 0, value );
 			DrawTextArgs args = new DrawTextArgs( value, font, false );
 			Size textSize = game.Drawer2D.MeasureSize( ref args );
-			Size size = new Size( Math.Max( textSize.Width, DesiredMaxWidth ), 
+			Size size = new Size( Math.Max( textSize.Width, DesiredMaxWidth ),
 			                     Math.Max( textSize.Height, DesiredMaxHeight ) );
 			
 			using( Bitmap bmp = IDrawer2D.CreatePow2Bitmap( size ) ) {
@@ -69,10 +69,12 @@ namespace ClassicalSharp {
 					
 					args.Text = Validator.Range;
 					args.SkipPartsCheck = false;
-					Size hintSize = drawer.MeasureSize( ref args );	
+					Size hintSize = drawer.MeasureSize( ref args );
 					
 					args.SkipPartsCheck = true;
-					drawer.DrawText( ref args, size.Width - hintSize.Width, 0 );
+					int hintX = size.Width - hintSize.Width;
+					if( textSize.Width < hintX )
+						drawer.DrawText( ref args, hintX, 0 );
 					chatInputTexture = drawer.Make2DTexture( bmp, size, 0, 0 );
 				}
 			}
@@ -114,7 +116,7 @@ namespace ClassicalSharp {
 		
 		public override bool HandlesKeyPress( char key ) {
 			if( chatInputText.Length < 64 && !IsInvalidChar( key ) ) {
-				if( !Validator.IsValidChar( key ) ) return true;		
+				if( !Validator.IsValidChar( key ) ) return true;
 				chatInputText.Append( chatInputText.Length, key );
 				
 				if( !Validator.IsValidString( chatInputText.GetString() ) ) {

ClassicalSharp/2D/Widgets/TextWidget.cs

@@ -1,10 +1,9 @@
-using System;
+using System;
-using System.Collections.Generic;
+using System.Drawing;
-using System.Drawing;
 
 namespace ClassicalSharp {
 	
-	public sealed class TextWidget : Widget {
+	public class TextWidget : Widget {
 		
 		public TextWidget( Game game, Font font ) : base( game ) {
 			this.font = font;
@@ -21,10 +20,10 @@ namespace ClassicalSharp {
 			return widget;
 		}
 		
-		Texture texture;
+		protected Texture texture;
 		public int XOffset = 0, YOffset = 0;
-		int defaultHeight;
+		protected int defaultHeight;
-		readonly Font font;
+		protected readonly Font font;
 		
 		public override void Init() {
 			DrawTextArgs args = new DrawTextArgs( "I", font, true );
@@ -32,7 +31,7 @@ namespace ClassicalSharp {
 			Height = defaultHeight;
 		}
 		
-		public void SetText( string text ) {
+		public virtual void SetText( string text ) {
 			graphicsApi.DeleteTexture( ref texture );
 			if( String.IsNullOrEmpty( text ) ) {
 				texture = new Texture();
@@ -48,9 +47,8 @@ namespace ClassicalSharp {
 		}
 		
 		public override void Render( double delta ) {
-			if( texture.IsValid ) {
+			if( texture.IsValid )
 				texture.Render( graphicsApi );
-			}
 		}
 		
 		public override void Dispose() {
@@ -58,12 +56,9 @@ namespace ClassicalSharp {
 		}
 		
 		public override void MoveTo( int newX, int newY ) {
-			int deltaX = newX - X;
+			int diffX = newX - X, diffY = newY - Y;
-			int deltaY = newY - Y;
+			texture.X1 += diffX; texture.Y1 += diffY;
-			texture.X1 += deltaX;
+			X = newX; Y = newY;
-			texture.Y1 += deltaY;
-			X = newX;
-			Y = newY;
 		}
 	}
 }

ClassicalSharp/Blocks/BlockInfo.Atlas.cs

@@ -2,6 +2,7 @@
 
 namespace ClassicalSharp {
 	
+	/// <summary> Stores various properties about the blocks in Minecraft Classic. </summary>
 	public partial class BlockInfo {
 		
 		internal int[] textures = new int[BlocksCount * TileSide.Sides];

ClassicalSharp/Blocks/BlockInfo.Culling.cs

@@ -2,6 +2,7 @@
 
 namespace ClassicalSharp {
 	
+	/// <summary> Stores various properties about the blocks in Minecraft Classic. </summary>
 	public partial class BlockInfo {
 		
 		bool[] hidden = new bool[BlocksCount * BlocksCount * TileSide.Sides];
@@ -34,6 +35,8 @@ namespace ClassicalSharp {
 			hidden[( tile * BlocksCount + block ) * TileSide.Sides + tileSide] = value;
 		}
 		
+		/// <summary> Returns whether the face at the given face of the tile 
+		/// should be drawn with the neighbour 'block' present on the other side of the face. </summary>
 		public bool IsFaceHidden( byte tile, byte block, int tileSide ) {
 			return hidden[( tile * BlocksCount + block ) * TileSide.Sides + tileSide];
 		}

ClassicalSharp/Blocks/BlockInfo.cs

@@ -32,10 +32,13 @@ namespace ClassicalSharp {
 		/// <summary> Gets whether the given block blocks sunlight. </summary>
 		public bool[] BlocksLight = new bool[BlocksCount];
 		
+		/// <summary> Gets whether the given block should draw all it faces with a full white colour component. </summary>
 		public bool[] FullBright = new bool[BlocksCount];
 		
 		public string[] Name = new string[BlocksCount];
 		
+		/// <summary> Gets the custom fog colour that should be used when the player is standing within this block. 
+		/// Note that this is only used for exponential fog mode. </summary>
 		public FastColour[] FogColour = new FastColour[BlocksCount];
 		
 		public float[] FogDensity = new float[BlocksCount];
@@ -83,18 +86,18 @@ namespace ClassicalSharp {
 			
 			SetBlockHeight( Block.Slab, 8/16f );
 			SetBlockHeight( Block.CobblestoneSlab, 8/16f );
-			SetBlockHeight( Block.Snow, 2/16f );			
+			SetBlockHeight( Block.Snow, 2/16f );
-			MarkTranslucent( Block.StillWater ); MarkTranslucent( Block.Water ); 
+			MarkTranslucent( Block.StillWater ); MarkTranslucent( Block.Water );
 			MarkTranslucent( Block.Ice );
-			MarkTransparent( Block.Glass, false ); MarkTransparent( Block.Leaves, false ); 
+			MarkTransparent( Block.Glass, false ); MarkTransparent( Block.Leaves, false );
-			MarkTransparent( Block.Slab, true ); MarkTransparent( Block.Snow, true ); 
+			MarkTransparent( Block.Slab, true ); MarkTransparent( Block.Snow, true );
 			MarkTransparent( Block.CobblestoneSlab, true );
-			MarkSprite( Block.Rose ); MarkSprite( Block.Sapling ); 
+			MarkSprite( Block.Rose ); MarkSprite( Block.Sapling );
-			MarkSprite( Block.Dandelion ); MarkSprite( Block.BrownMushroom ); 
+			MarkSprite( Block.Dandelion ); MarkSprite( Block.BrownMushroom );
-			MarkSprite( Block.RedMushroom ); MarkSprite( Block.Rope ); 
+			MarkSprite( Block.RedMushroom ); MarkSprite( Block.Rope );
 			MarkSprite( Block.Fire );
 			SetIsLiquid( Block.StillWater ); SetIsLiquid( Block.Water );
-			SetIsLiquid( Block.StillLava ); SetIsLiquid( Block.Lava );					
+			SetIsLiquid( Block.StillLava ); SetIsLiquid( Block.Lava );
 			SetFullBright( Block.Lava, true ); SetFullBright( Block.StillLava, true );
 			SetFullBright( Block.Magma, true ); SetFullBright( Block.Fire, true );
 			

ClassicalSharp/ClassicalSharp.csproj

@@ -75,8 +75,8 @@
     <Reference Include="System.Windows.Forms" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="2D\Drawing\GdiPlusDrawerFont.cs" />
+    <Compile Include="2D\Drawing\GdiPlusDrawer2D.Text.cs" />
-    <Compile Include="2D\Drawing\GdiPlusDrawerMCFont.cs" />
+    <Compile Include="2D\Drawing\GdiPlusDrawer2D.TextMC.cs" />
     <Compile Include="2D\GuiElement.cs" />
     <Compile Include="2D\IsometricBlockDrawer.cs" />
     <Compile Include="2D\Drawing\DrawTextArgs.cs" />
@@ -103,14 +103,15 @@
     <Compile Include="2D\Screens\Screen.cs" />
     <Compile Include="2D\Texture.cs" />
     <Compile Include="2D\Widgets\BlockHotbarWidget.cs" />
+    <Compile Include="2D\Widgets\Chat\ChatTextWidget.cs" />
+    <Compile Include="2D\Widgets\Chat\TextGroupWidget.cs" />
+    <Compile Include="2D\Widgets\Chat\TextInputWidget.cs" />
     <Compile Include="2D\Widgets\ExtPlayerListWidget.cs" />
     <Compile Include="2D\Widgets\Menu\MenuInputValidator.cs" />
     <Compile Include="2D\Widgets\Menu\MenuInputWidget.cs" />
     <Compile Include="2D\Widgets\NormalPlayerListWidget.cs" />
     <Compile Include="2D\Widgets\ButtonWidget.cs" />
     <Compile Include="2D\Widgets\PlayerListWidget.cs" />
-    <Compile Include="2D\Widgets\TextGroupWidget.cs" />
-    <Compile Include="2D\Widgets\TextInputWidget.cs" />
     <Compile Include="2D\Widgets\TextWidget.cs" />
     <Compile Include="2D\Widgets\Widget.cs" />
     <Compile Include="Blocks\Block.cs" />
@@ -230,6 +231,7 @@
     <Folder Include="2D\Screens\Menu" />
     <Folder Include="2D\Widgets" />
     <Folder Include="2D\Widgets\Menu" />
+    <Folder Include="2D\Widgets\Chat" />
     <Folder Include="Blocks" />
     <Folder Include="Entities\Particles" />
     <Folder Include="GraphicsAPI" />

ClassicalSharp/Entities/Player.cs

@@ -1,7 +1,7 @@
-using System;
+using System;
-using System.Drawing;
+using System.Drawing;
-using ClassicalSharp.Network;
+using ClassicalSharp.Network;
-using OpenTK;
+using OpenTK;
 
 namespace ClassicalSharp {
 

ClassicalSharp/Game/Events.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 
 namespace ClassicalSharp {
 
@@ -66,6 +66,11 @@ namespace ClassicalSharp {
 		public event EventHandler<ChatEventArgs> ChatReceived;	
 		internal void RaiseChatReceived( string text, CpeMessage type ) { chatArgs.Type = type; chatArgs.Text = text; Raise( ChatReceived, chatArgs ); }
 		
+		/// <summary> Raised when the user changes chat font to arial or back to bitmapped font,
+		/// also raised when the bitmapped font changes. </summary>
+		public event EventHandler<EventArgs> ChatFontChanged;
+		internal void RaiseChatFontChanged( bool arial ) { fontArgs.UseArial = arial; Raise( ChatFontChanged, fontArgs ); }
+		
 		
 	
 		// Cache event instances so we don't create needless new objects.
@@ -73,6 +78,7 @@ namespace ClassicalSharp {
 		MapLoadingEventArgs loadingArgs = new MapLoadingEventArgs();	
 		EnvVarEventArgs envArgs = new EnvVarEventArgs();
 		ChatEventArgs chatArgs = new ChatEventArgs();
+		ChatFontChangedEventArgs fontArgs = new ChatFontChangedEventArgs();
 				
 		void Raise( EventHandler handler ) {
 			if( handler != null ) {
@@ -94,21 +100,33 @@ namespace ClassicalSharp {
 	
 	public sealed class ChatEventArgs : EventArgs {
 		
+		/// <summary> Where this chat message should appear on the screen. </summary>
 		public CpeMessage Type;
 		
+		/// <summary> Raw text of the message (including colour codes), 
+		/// with code page 437 indices converted to their unicode representations. </summary>
 		public string Text;
 	}
 	
 	public sealed class MapLoadingEventArgs : EventArgs {
 		
+		/// <summary> Percentage of the map that has been fully decompressed by the client. </summary>
 		public int Progress;
 	}
 	
 	public sealed class EnvVarEventArgs : EventArgs {
 		
+		/// <summary> Map environment variable that was changed. </summary>
 		public EnvVar Var;
 	}
 	
+	public sealed class ChatFontChangedEventArgs : EventArgs {
+		
+		/// <summary> true if chat should be drawn using arial,
+		/// false if it should be drawn using the current bitmapped font. </summary>
+		public bool UseArial;
+	}
+	
 	public enum EnvVar {
 		SidesBlock,
 		EdgeBlock,

ClassicalSharp/Game/Game.cs

@@ -74,6 +74,7 @@ namespace ClassicalSharp {
 		internal int CloudsTextureId, RainTextureId, SnowTextureId;
 		internal bool screenshotRequested;
 		public Bitmap FontBitmap;
+		public bool UseArial = false;
 		
 		void LoadAtlas( Bitmap bmp ) {
 			TerrainAtlas1D.Dispose();
@@ -108,7 +109,7 @@ namespace ClassicalSharp {
 			ModelCache = new ModelCache( this );
 			ModelCache.InitCache();
 			AsyncDownloader = new AsyncDownloader( skinServer );
-			Drawer2D = new GdiPlusDrawerFont( Graphics );
+			Drawer2D = new GdiPlusDrawer2D( Graphics );
 			
 			TerrainAtlas1D = new TerrainAtlas1D( Graphics );
 			TerrainAtlas = new TerrainAtlas2D( Graphics, Drawer2D );

ClassicalSharp/Game/InputHandler.cs

@@ -268,6 +268,13 @@ namespace ClassicalSharp {
 			Key key = e.Key;
 			if( SimulateMouse( key, true ) ) return;
 			
+			// TODO: this is a temp debug statement
+			// NOTE: this is a temp debug statement
+			if( key == Key.F8 ) {
+				game.UseArial = !game.UseArial;
+				game.Events.RaiseChatFontChanged( game.UseArial );
+				return;
+			}
 			if( key == Key.F4 && (game.IsKeyDown( Key.AltLeft ) || game.IsKeyDown( Key.AltRight )) ) {
 				game.Exit();
 			} else if( key == Keys[KeyBinding.Screenshot] ) {

ClassicalSharp/TexturePack/TexturePackExtractor.cs

@@ -86,8 +86,10 @@ namespace ClassicalSharp.TexturePack {
 		
 		void SetFontBitmap( Game game, Stream stream ) {
 			game.FontBitmap = new Bitmap( stream );
-			if( game.Drawer2D is GdiPlusDrawerMCFont )
+			game.Drawer2D.SetFontBitmap( game.FontBitmap );
-				((GdiPlusDrawerMCFont)game.Drawer2D).SetFontBitmap( game.FontBitmap );
+			
+			if( !game.UseArial)
+				game.Events.RaiseChatFontChanged( false );
 		}
 		
 		void UpdateTexture( ref int texId, Stream stream, bool setSkinType ) {

Launcher2/LauncherWindow.cs

@@ -76,7 +76,7 @@ namespace Launcher2 {
 			Window = new NativeWindow( 480, 480, Program.AppName, 0,
 			                          GraphicsMode.Default, DisplayDevice.Default );
 			Window.Visible = true;
-			Drawer = new GdiPlusDrawerFont( null );
+			Drawer = new GdiPlusDrawer2D( null );
 			Init();
 			platformDrawer.Init( Window.WindowInfo );
 			

OpenTK/OpenTK.csproj

@@ -150,6 +150,12 @@
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\InteropPatcher\InteropPatcher.csproj">
+      <Project>{4A4110EE-21CA-4715-AF67-0C8B7CE0642F}</Project>
+      <Name>InteropPatcher</Name>
+    </ProjectReference>
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- This actually rewrites the calli and fixed code.-->
   <Target Name="AfterBuild">

OpenTK/SharpDX.Direct3D/Enumerations.cs

@@ -18,7 +18,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-using System;
+using System;
 
 namespace SharpDX.Direct3D9 {