Lua stuffs is working :D

2012-10-17 01:52:58 +02:00
parent a6391527ec
commit 9f838a6d39
11 changed files with 578 additions and 349 deletions
@@ -2,26 +2,110 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using DepthsBelow.GUI;
+using Microsoft.Xna.Framework.Content;
 using Microsoft.Xna.Framework.Input;

 namespace DepthsBelow
 {
-	class Lua
+	// TODO: The frames created here must be disposed correctly when the Lua context is disposed
+	static class LuaGUI
 	{
+		public static GUI.Frame CreateFrame()
+		{
+			return new Frame();
+		}
+		public static GUI.Frame CreateFrame(GUI.Frame parent)
+		{
+			return new GUI.Frame(parent);
+		}
+
+		public static GUI.Button CreateButton()
+		{
+			return new Button();
+		}
+		public static GUI.Button CreateButton(GUI.Frame parent)
+		{
+			return new GUI.Button(parent);
+		}
+	}
+
+	public class Lua
+	{
+		private LuaInterface.Lua lua;
+
 		public Lua()
 		{
-			LuaInterface.Lua lua = new LuaInterface.Lua();
+			ResetContext();
+			ExposeLibraries();

-			lua.RegisterFunction("GetKeyboardState", null, typeof(DepthsBelow.Lua).GetMethod("GetKeyboardState"));
-			object[] ret = lua.DoString("return GetKeyboardState()");
-			Console.WriteLine(((KeyboardState)ret[0]).ToString());
+			/*lua.DoString(@"
+				local frame = CreateFrame('Frame');
+				frame.X = 100; 
+				local button = CreateFrame('Button', frame); 
+				button:SetTexture('images/Enter'); 
+				button.Width = 100; 
+				button.Height = 50; 
+				button.OnClick = function(clickPos) 
+					Console.WriteLine(clickPos.X .. ' ' .. clickPos.Y); 
+				end
+			");*/
 		}

-		public KeyboardState GetKeyboardState()
+		public void ExposeLibraries()
 		{
-			return Keyboard.GetState();
+			lua.NewTable("Console");
+			lua.RegisterFunction("Console.Write", null, typeof(System.Console).GetMethod("Write", new Type[] { typeof(string) }));
+			lua.RegisterFunction("Console.WriteLine", null, typeof(System.Console).GetMethod("WriteLine", new Type[] { typeof(string) }));
+
+			// Register GUI creation functions
+			lua.RegisterFunction("_CreateFrame", null, typeof(LuaGUI).GetMethod("CreateFrame", new Type[] { }));
+			lua.RegisterFunction("_CreateFrameAsChild", null, typeof(LuaGUI).GetMethod("CreateFrame", new Type[] { typeof(GUI.Frame) }));
+			lua.RegisterFunction("_CreateButton", null, typeof(LuaGUI).GetMethod("CreateButton", new Type[] { }));
+			lua.RegisterFunction("_CreateButtonAsChild", null, typeof(LuaGUI).GetMethod("CreateButton", new Type[] { typeof(GUI.Frame) }));
+			lua.NewTable("GUI");
+			/*
+			 *	Because Lua can't dynamically call overloads of registered functions, a generic Lua function needs to do the decision making.
+			 *	This way we can also dynamically create different frame classes with the same function.
+			 */
+			lua.DoString(@"
+				CreateFrame = function(frameType, parent)
+					frameType = string.lower(frameType):gsub('^%l', string.upper)
+					if (parent == nil) then
+						return _G['_Create' .. frameType]()
+					else
+						return _G['_Create' .. frameType .. 'AsChild'](parent)
+					end
+				end
+			");
 		}

+		public void ResetContext()
+		{
+			if (lua != null)
+				lua.Dispose();

+			lua = new LuaInterface.Lua();
+		}
+
+		public void LoadScripts()
+		{
+			// Load scripts from script folder
+			// HACK: This needs to load files on the fly instead of loading precompiled files by the content manager.
+			// http://xbox.create.msdn.com/en-US/education/catalog/sample/winforms_series_2 maybe?
+			var scripts = GameServices.GetService<ContentManager>().LoadContent<string>("scripts");
+			foreach (var script in scripts)
+			{
+				try
+				{
+					lua.DoString(script.Value);
+				}
+				catch (LuaInterface.LuaException e)
+				{
+					Console.WriteLine("Lua error: " + e.Message);
+				}
+				
+			}
+		}
 	}
 }