Modified code to compile on Linux

Subsurface/Source/EventInput/KeyboardDispatcher.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Threading;
+#if WINDOWS
 using System.Windows;
+#endif
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Input;
 
@@ -42,12 +44,14 @@ namespace EventInput
                 //ctrl-v
                 if (e.Character == 0x16)
                 {
+#if WINDOWS
                     //XNA runs in Multiple Thread Apartment state, which cannot recieve clipboard
                     Thread thread = new Thread(PasteThread);
                     thread.SetApartmentState(ApartmentState.STA);
                     thread.Start();
                     thread.Join();
                     _subscriber.ReceiveTextInput(_pasteResult);
+#endif
                 }
                 else
                 {
@@ -74,6 +78,7 @@ namespace EventInput
             }
         }
 
+#if WINDOWS
         //Thread has to be in Single Thread Apartment state in order to receive clipboard
         string _pasteResult = "";
         [STAThread]
@@ -81,5 +86,7 @@ namespace EventInput
         {
             _pasteResult = Clipboard.ContainsText() ? Clipboard.GetText() : "";
         }
+#endif
+
     }
 }

Subsurface/Source/GUI/GUI.cs

@@ -274,7 +274,7 @@ namespace Subsurface
 
             bool clicked = false;
 
-            if (rect.Contains(PlayerInput.GetMouseState.Position))
+            if (rect.Contains(PlayerInput.MousePosition))
             {
                 clicked = (PlayerInput.GetMouseState.LeftButton == ButtonState.Pressed);
 

Subsurface/Source/GUI/GUIButton.cs

@@ -60,7 +60,7 @@ namespace Subsurface
         
         public override void Draw(SpriteBatch spriteBatch)
         {
-            if (rect.Contains(PlayerInput.GetMouseState.Position) && Enabled && (MouseOn == null || MouseOn == this || IsParentOf(MouseOn)))
+            if (rect.Contains(PlayerInput.MousePosition) && Enabled && (MouseOn == null || MouseOn == this || IsParentOf(MouseOn)))
             {
                 state = ComponentState.Hover;
                 if (PlayerInput.GetMouseState.LeftButton == ButtonState.Pressed)

Subsurface/Source/GUI/GUIListBox.cs

@@ -284,7 +284,7 @@ namespace Subsurface
                         if (CheckSelected() != selected.UserData) selected = null;
                     }
                 }
-                else if (enabled && (MouseOn == this || (MouseOn != null && this.IsParentOf(MouseOn))) && child.Rect.Contains(PlayerInput.GetMouseState.Position))
+                else if (enabled && (MouseOn == this || (MouseOn != null && this.IsParentOf(MouseOn))) && child.Rect.Contains(PlayerInput.MousePosition))
                 {
                     child.State = ComponentState.Hover;
                     if (PlayerInput.LeftButtonClicked())

Subsurface/Source/GUI/GUIScrollBar.cs

@@ -155,14 +155,14 @@ namespace Subsurface
             int moveAmount;
             if (isHorizontal)
             {
-                moveAmount = PlayerInput.GetMouseState.Position.X - PlayerInput.GetOldMouseState.Position.X;
+                moveAmount = (int)PlayerInput.MouseSpeed.X;
                 newX = Math.Min(Math.Max(newX + moveAmount, 0), frame.Rect.Width - bar.Rect.Width);
 
                 barScroll = (float)newX / ((float)frame.Rect.Width - (float)bar.Rect.Width);
             }
             else
             {
-                moveAmount = PlayerInput.GetMouseState.Position.Y - PlayerInput.GetOldMouseState.Position.Y;
+                moveAmount = (int)PlayerInput.MouseSpeed.Y;
                 newY = Math.Min(Math.Max(newY+moveAmount, 0), frame.Rect.Height - bar.Rect.Height);
 
                 barScroll = (float)newY / ((float)frame.Rect.Height - (float)bar.Rect.Height);

Subsurface/Source/GUI/GUITextBox.cs

@@ -158,7 +158,7 @@ namespace Subsurface
             caretTimer += deltaTime;
             caretVisible = ((caretTimer*1000.0f) % 1000) < 500;
             
-            if (rect.Contains(PlayerInput.GetMouseState.Position))
+            if (rect.Contains(PlayerInput.MousePosition))
             {
                 state = ComponentState.Hover;
                 if (PlayerInput.LeftButtonClicked()) Select();                

Subsurface/Source/GUI/GUITickBox.cs

@@ -56,7 +56,7 @@ namespace Subsurface
 
             if (!Enabled) return;
 
-            if (box.Rect.Contains(PlayerInput.GetMouseState.Position))
+            if (box.Rect.Contains(PlayerInput.MousePosition))
             {
 
 

Subsurface/Source/Game1.cs

@@ -10,6 +10,7 @@ using Subsurface.Particles;
 using System.Collections;
 using System.Collections.Generic;
 using Microsoft.Xna.Framework.Input;
+using System.Xml;
 
 namespace Subsurface
 {
@@ -119,8 +120,8 @@ namespace Subsurface
             //TargetElapsedTime = new TimeSpan(0, 0, 0, 0, 55);
 
             World = new World(new Vector2(0, -9.82f));
-            Settings.VelocityIterations = 2;
+            FarseerPhysics.Settings.VelocityIterations = 2;
-            Settings.PositionIterations = 1;
+            FarseerPhysics.Settings.PositionIterations = 1;
         }
 
         /// <summary>
@@ -324,4 +325,4 @@ namespace Subsurface
         }
 
     }
-}
+}

Subsurface/Source/Map/Hull.cs

@@ -156,7 +156,7 @@ namespace Subsurface
         public int GetWaveIndex(Vector2 position)
         {
             int index = (int)(position.X - rect.X) / WaveWidth;
-            index = MathHelper.Clamp(index, 0, waveY.Length-1);
+            index = (int)MathHelper.Clamp(index, 0, waveY.Length-1);
             return index;
         }
 

Subsurface/Source/Map/Lights/ConvexHull.cs

@@ -245,7 +245,10 @@ namespace Subsurface.Lights
                     * Matrix.CreateOrthographic(Game1.GraphicsWidth, Game1.GraphicsHeight, -1, 1) * 0.5f;
                 shadowEffect.CurrentTechnique.Passes[0].Apply();
 
-                graphicsDevice.DrawUserPrimitives<VertexPositionTexture>(PrimitiveType.TriangleList, penumbraVertices, 0, 2, VertexPositionTexture.VertexDeclaration);
+#if WINDOWS
+    graphicsDevice.DrawUserPrimitives<VertexPositionTexture>(PrimitiveType.TriangleList, penumbraVertices, 0, 2, VertexPositionTexture.VertexDeclaration);
+            
+#endif
             }
         }
 

Subsurface/Source/Map/WaterRenderer.cs

@@ -109,7 +109,12 @@ namespace Subsurface
             {
                 pass.Apply();
 
-                graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, verts, 0, verts.Length / 3, WaterVertex.VertexDeclaration);
+#if WINDOWS
+    graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, verts, 0, verts.Length / 3, WaterVertex.VertexDeclaration);            
+#endif
+#if LINUX
+				//graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, verts, 0, verts.Length / 3, WaterVertex.VertexDeclaration, );  
+#endif
             }
         }
 
@@ -130,7 +135,9 @@ namespace Subsurface
             {
                 pass.Apply();
 
-                graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, vertices, 0, vertices.Length / 3, WaterVertex.VertexDeclaration);
+#if WINDOWS
+				graphicsDevice.DrawUserPrimitives(PrimitiveType.TriangleList, vertices, 0, vertices.Length / 3, WaterVertex.VertexDeclaration);
+#endif
             }
         }
 

Subsurface/Source/Networking/GameServer.cs

@@ -710,7 +710,6 @@ namespace Subsurface.Networking
             {
                 spriteBatch.DrawString(GUI.SmallFont, c.name + ":", new Vector2(x + 10, y), Color.White);
                 spriteBatch.DrawString(GUI.SmallFont, "- avg roundtrip " + c.Connection.AverageRoundtripTime+" s", new Vector2(x + 20, y + 15), Color.White);
-                spriteBatch.DrawString(GUI.SmallFont, "- current MTU " + c.Connection.CurrentMTU, new Vector2(x + 20, y + 30), Color.White);
                 y += 50;
             
             }

Subsurface/Source/PlayerInput.cs

@@ -69,7 +69,12 @@ namespace Subsurface
 
         public static Vector2 MousePosition
         {
+#if WINDOWS
             get { return new Vector2(mouseState.Position.X, mouseState.Position.Y); }
+#endif
+#if LINUX
+            get { return new Vector2(mouseState.Y, mouseState.X); }
+#endif
         }
 
         public static MouseState GetMouseState
@@ -85,8 +90,12 @@ namespace Subsurface
         {
             get 
             { 
-                Point speed = mouseState.Position - oldMouseState.Position; 
+#if WINDOWS
-                return new Vector2(speed.X, speed.Y); 
+				return mouseState.Position - oldMouseState.Position; 
+#endif
+#if LINUX
+				return MousePosition - new Vector2(oldMouseState.X, oldMouseState.Y); 
+#endif
             }
         }
 

Subsurface/Source/Properties.cs

@@ -5,6 +5,7 @@ using System.Globalization;
 using System.Linq;
 using System.Xml.Linq;
 
+
 namespace Subsurface
 {
     [AttributeUsage(AttributeTargets.Property)]

Subsurface/Source/Screens/GameScreen.cs

@@ -146,7 +146,7 @@ namespace Subsurface
             graphics.Clear(new Color(11, 18, 26, 255));
 
 
-            spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.LinearWrap);
+            spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.Opaque, SamplerState.LinearWrap, DepthStencilState.Default, RasterizerState.CullNone);
 
             Vector2 backgroundPos = cam.Position;
             if (Level.Loaded != null) backgroundPos -= Level.Loaded.Position;

Subsurface/Source/Screens/MainMenu.cs

@@ -191,7 +191,7 @@ namespace Subsurface
             int currMaxPlayers = 10;
 
             int.TryParse(maxPlayersBox.Text, out currMaxPlayers);
-            currMaxPlayers = MathHelper.Clamp(currMaxPlayers+(int)button.UserData, 1, 10);
+            currMaxPlayers = (int)MathHelper.Clamp(currMaxPlayers+(int)button.UserData, 1, 10);
 
             maxPlayersBox.Text = currMaxPlayers.ToString();
 

Subsurface/Source/Sounds/SoundManager.cs

@@ -1,8 +1,11 @@
 using System.Collections.Generic;
 using System.Diagnostics;
 using Microsoft.Xna.Framework;
-using OpenTK.Audio;
+#if WINDOWS
 using OpenTK.Audio.OpenAL;
+#endif
+using OpenTK.Audio;
+
 using System;
 
 namespace Subsurface.Sounds
@@ -34,14 +37,14 @@ namespace Subsurface.Sounds
 
             for (int i = 0 ; i < DefaultSourceCount; i++)
             {
-                alSources.Add(AL.GenSource());
+                alSources.Add(OpenTK.Audio.OpenAL.AL.GenSource());
             }
 
             if (ALHelper.Efx.IsInitialized)
             {
                 lowpassFilterId = ALHelper.Efx.GenFilter();
                 //alFilters.Add(alFilterId);
-                ALHelper.Efx.Filter(lowpassFilterId, EfxFilteri.FilterType, (int)EfxFilterType.Lowpass);
+                ALHelper.Efx.Filter(lowpassFilterId, OpenTK.Audio.OpenAL.EfxFilteri.FilterType, (int)OpenTK.Audio.OpenAL.EfxFilterType.Lowpass);
                                 
                 //LowPassHFGain = 1;
             }
@@ -129,29 +132,29 @@ namespace Subsurface.Sounds
             for (int i = 1; i < DefaultSourceCount; i++)
             {
                 //find a source that's free to use (not playing or paused)
-                if (AL.GetSourceState(alSources[i]) == ALSourceState.Playing
+                if (OpenTK.Audio.OpenAL.AL.GetSourceState(alSources[i]) == OpenTK.Audio.OpenAL.ALSourceState.Playing
-                    || AL.GetSourceState(alSources[i]) == ALSourceState.Paused) continue;
+                    || OpenTK.Audio.OpenAL.AL.GetSourceState(alSources[i]) == OpenTK.Audio.OpenAL.ALSourceState.Paused) continue;
 
                 //if (position!=Vector2.Zero)
                 //    position /= 1000.0f;
 
                 alBuffers[i] = sound.AlBufferId;
-                AL.Source(alSources[i], ALSourceb.Looping, false);
+                OpenTK.Audio.OpenAL.AL.Source(alSources[i], OpenTK.Audio.OpenAL.ALSourceb.Looping, false);
 
                 position /= 1000.0f;
 
                 //System.Diagnostics.Debug.WriteLine("updatesoundpos: "+offset);
-                AL.Source(alSources[i], ALSourcef.Gain, volume);
+                OpenTK.Audio.OpenAL.AL.Source(alSources[i], OpenTK.Audio.OpenAL.ALSourcef.Gain, volume);
-                AL.Source(alSources[i], ALSource3f.Position, position.X, position.Y, 0.0f);
+                OpenTK.Audio.OpenAL.AL.Source(alSources[i], OpenTK.Audio.OpenAL.ALSource3f.Position, position.X, position.Y, 0.0f);
 
-                AL.Source(alSources[i], ALSourcei.Buffer, sound.AlBufferId);
+                OpenTK.Audio.OpenAL.AL.Source(alSources[i], OpenTK.Audio.OpenAL.ALSourcei.Buffer, sound.AlBufferId);
 
-                ALHelper.Efx.Filter(lowpassFilterId, EfxFilterf.LowpassGainHF, lowPassHfGain = Math.Min(lowPassGain, overrideLowPassGain));
+                ALHelper.Efx.Filter(lowpassFilterId, OpenTK.Audio.OpenAL.EfxFilterf.LowpassGainHF, lowPassHfGain = Math.Min(lowPassGain, overrideLowPassGain));
                 ALHelper.Efx.BindFilterToSource(alSources[i], lowpassFilterId);
                 ALHelper.Check();
 
                 //AL.Source(alSources[i], ALSource3f.Position, position.X, position.Y, 0.0f);
-                AL.SourcePlay(alSources[i]);
+                OpenTK.Audio.OpenAL.AL.SourcePlay(alSources[i]);
 
                 //sound.sourceIndex = i;
 
@@ -261,10 +264,10 @@ namespace Subsurface.Sounds
                     for (int i = 0; i < DefaultSourceCount; i++)
                     {
                         //find a source that's free to use (not playing or paused)
-                        if (AL.GetSourceState(alSources[i]) != ALSourceState.Playing
+                        if (OpenTK.Audio.OpenAL.AL.GetSourceState(alSources[i]) != OpenTK.Audio.OpenAL.ALSourceState.Playing
-                            && AL.GetSourceState(alSources[i])!= ALSourceState.Paused) continue;
+                            && OpenTK.Audio.OpenAL.AL.GetSourceState(alSources[i])!= OpenTK.Audio.OpenAL.ALSourceState.Paused) continue;
 
-                        ALHelper.Efx.Filter(lowpassFilterId, EfxFilterf.LowpassGainHF, lowPassHfGain = value);                        
+                        ALHelper.Efx.Filter(lowpassFilterId, OpenTK.Audio.OpenAL.EfxFilterf.LowpassGainHF, lowPassHfGain = value);                        
                         ALHelper.Efx.BindFilterToSource(alSources[i], lowpassFilterId);
                         ALHelper.Check();
                     }
@@ -293,10 +296,10 @@ namespace Subsurface.Sounds
             position/= 1000.0f;
             
             //System.Diagnostics.Debug.WriteLine("updatesoundpos: "+offset);
-            AL.Source(alSources[sourceIndex], ALSourcef.Gain, baseVolume);
+            OpenTK.Audio.OpenAL.AL.Source(alSources[sourceIndex], OpenTK.Audio.OpenAL.ALSourcef.Gain, baseVolume);
-            AL.Source(alSources[sourceIndex], ALSource3f.Position, position.X, position.Y, 0.0f);
+            OpenTK.Audio.OpenAL.AL.Source(alSources[sourceIndex], OpenTK.Audio.OpenAL.ALSource3f.Position, position.X, position.Y, 0.0f);
 
-            ALHelper.Efx.Filter(lowpassFilterId, EfxFilterf.LowpassGainHF, lowPassHfGain = Math.Min(lowPassGain, overrideLowPassGain));
+            ALHelper.Efx.Filter(lowpassFilterId, OpenTK.Audio.OpenAL.EfxFilterf.LowpassGainHF, lowPassHfGain = Math.Min(lowPassGain, overrideLowPassGain));
             ALHelper.Efx.BindFilterToSource(alSources[sourceIndex], lowpassFilterId);
             ALHelper.Check();
         }
@@ -328,7 +331,7 @@ namespace Subsurface.Sounds
             { 
                 if (alBuffers[i] == bufferId)
                 {
-                    AL.Source(alSources[i], ALSourcei.Buffer, 0);
+                    OpenTK.Audio.OpenAL.AL.Source(alSources[i], OpenTK.Audio.OpenAL.ALSourcei.Buffer, 0);
                 }
             }
 
@@ -343,11 +346,11 @@ namespace Subsurface.Sounds
 
             for (int i = 0; i < DefaultSourceCount; i++)
             {
-                var state = AL.GetSourceState(alSources[i]);
+                var state = OpenTK.Audio.OpenAL.AL.GetSourceState(alSources[i]);
-                if (state == ALSourceState.Playing || state == ALSourceState.Paused)
+                if (state == OpenTK.Audio.OpenAL.ALSourceState.Playing || state == OpenTK.Audio.OpenAL.ALSourceState.Paused)
                     Stop(i);
 
-                AL.DeleteSource(alSources[i]);
+                OpenTK.Audio.OpenAL.AL.DeleteSource(alSources[i]);
                 
                 ALHelper.Check();
             }

Subsurface/Source/Utils/TextureLoader.cs

@@ -4,6 +4,7 @@ using System.IO;
 using Microsoft.Xna.Framework.Graphics;
 using Color = Microsoft.Xna.Framework.Color;
 using System;
+using Microsoft.Xna.Framework;
 
 namespace Subsurface
 {
@@ -44,8 +45,15 @@ namespace Subsurface
         {
             try
             {
+#if WINDOWS
                 using (Stream fileStream = File.OpenRead(path))
                     return FromStream(fileStream, preMultiplyAlpha);
+#endif
+#if LINUX
+			    using (Stream fileStream = File.OpenRead(path))
+					return Texture2D.FromFile(_graphicsDevice, fileStream);// .FromStream(fileStream, preMultiplyAlpha);
+#endif
+
             }
             catch (Exception e)
             {
@@ -55,7 +63,8 @@ namespace Subsurface
 
         }
 
-        public Texture2D FromStream(Stream stream, bool preMultiplyAlpha = true)
+#if WINDOWS
+ private Texture2D FromStream(Stream stream, bool preMultiplyAlpha = true)
         {
             Texture2D texture;
 
@@ -114,6 +123,8 @@ namespace Subsurface
 
             return texture;
         }
+#endif
+       
         
         private static readonly BlendState BlendColorBlendState;
         private static readonly BlendState BlendAlphaBlendState;