Simon Holmberg
112 lines
3.2 KiB
C#
Executable File
112 lines
3.2 KiB
C#
Executable File
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using DepthsBelow.GUI;
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using Microsoft.Xna.Framework.Content;
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using Microsoft.Xna.Framework.Input;
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namespace DepthsBelow
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{
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// TODO: The frames created here must be disposed correctly when the Lua context is disposed
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static class LuaGUI
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{
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public static GUI.Frame CreateFrame()
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{
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return new Frame();
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}
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public static GUI.Frame CreateFrame(GUI.Frame parent)
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{
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return new GUI.Frame(parent);
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}
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public static GUI.Button CreateButton()
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{
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return new Button();
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}
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public static GUI.Button CreateButton(GUI.Frame parent)
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{
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return new GUI.Button(parent);
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}
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}
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public class Lua
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{
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private LuaInterface.Lua lua;
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public Lua()
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{
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ResetContext();
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ExposeLibraries();
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/*lua.DoString(@"
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local frame = CreateFrame('Frame');
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frame.X = 100;
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local button = CreateFrame('Button', frame);
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button:SetTexture('images/Enter');
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button.Width = 100;
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button.Height = 50;
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button.OnClick = function(clickPos)
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Console.WriteLine(clickPos.X .. ' ' .. clickPos.Y);
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end
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");*/
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}
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public void ExposeLibraries()
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{
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lua.NewTable("Console");
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lua.RegisterFunction("Console.Write", null, typeof(System.Console).GetMethod("Write", new Type[] { typeof(string) }));
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lua.RegisterFunction("Console.WriteLine", null, typeof(System.Console).GetMethod("WriteLine", new Type[] { typeof(string) }));
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// Register GUI creation functions
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lua.RegisterFunction("_CreateFrame", null, typeof(LuaGUI).GetMethod("CreateFrame", new Type[] { }));
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lua.RegisterFunction("_CreateFrameAsChild", null, typeof(LuaGUI).GetMethod("CreateFrame", new Type[] { typeof(GUI.Frame) }));
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lua.RegisterFunction("_CreateButton", null, typeof(LuaGUI).GetMethod("CreateButton", new Type[] { }));
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lua.RegisterFunction("_CreateButtonAsChild", null, typeof(LuaGUI).GetMethod("CreateButton", new Type[] { typeof(GUI.Frame) }));
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lua.NewTable("GUI");
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/*
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* Because Lua can't dynamically call overloads of registered functions, a generic Lua function needs to do the decision making.
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* This way we can also dynamically create different frame classes with the same function.
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*/
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lua.DoString(@"
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CreateFrame = function(frameType, parent)
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frameType = string.lower(frameType):gsub('^%l', string.upper)
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if (parent == nil) then
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return _G['_Create' .. frameType]()
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else
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return _G['_Create' .. frameType .. 'AsChild'](parent)
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end
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end
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");
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}
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public void ResetContext()
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{
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if (lua != null)
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lua.Dispose();
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lua = new LuaInterface.Lua();
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}
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public void LoadScripts()
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{
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// Load scripts from script folder
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// HACK: This needs to load files on the fly instead of loading precompiled files by the content manager.
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// http://xbox.create.msdn.com/en-US/education/catalog/sample/winforms_series_2 maybe?
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var scripts = GameServices.GetService<ContentManager>().LoadContent<string>("scripts");
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foreach (var script in scripts)
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{
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try
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{
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lua.DoString(script.Value);
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}
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catch (LuaInterface.LuaException e)
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{
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Console.WriteLine("Lua error: " + e.Message);
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}
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}
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}
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}
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}
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