From 14fa5cd8b00cf10d53c829caa0d5f9b40a3d8d3f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 15 Nov 2021 03:10:34 +0800
Subject: *rename

---
 Data/DefaultContent/Libraries/GameLab/Class.lua    |  3 +-
 .../Libraries/GameLab/Debug/init.lua               |  3 +-
 Data/DefaultContent/Libraries/GameLab/Delegate.lua | 38 ++++++++++++++++++++++
 .../Libraries/GameLab/Engine/Animation/init.lua    |  7 ++--
 .../Libraries/GameLab/Engine/GL/init.lua           |  5 ++-
 .../Libraries/GameLab/Engine/GUI/IMGUI.lua         |  1 -
 .../Libraries/GameLab/Engine/GUI/init.lua          |  4 +--
 .../Libraries/GameLab/Engine/Math/Quaternion.lua   |  2 +-
 .../Libraries/GameLab/Engine/Math/Rect.lua         |  4 +--
 .../Libraries/GameLab/Engine/Math/Vector2.lua      | 10 ++++--
 .../Libraries/GameLab/Engine/Math/Vector3.lua      |  2 +-
 .../Libraries/GameLab/Engine/Math/Vector4.lua      | 18 +++++-----
 .../Libraries/GameLab/Engine/Math/init.lua         | 13 ++++----
 .../Libraries/GameLab/Engine/Rendering/Image.lua   |  2 +-
 .../Libraries/GameLab/Engine/Rendering/init.lua    |  3 +-
 .../Libraries/GameLab/Engine/Resource/init.lua     |  3 +-
 .../Libraries/GameLab/Engine/init.lua              |  5 ++-
 Data/DefaultContent/Libraries/GameLab/Entity.lua   | 11 +++++++
 Data/DefaultContent/Libraries/GameLab/Enum.lua     | 11 ++++---
 .../Libraries/GameLab/Events/init.lua              |  5 +--
 .../Libraries/GameLab/GlobalEnum.lua               | 20 ++++++------
 .../Libraries/GameLab/GlobalTable.lua              |  8 ++---
 Data/DefaultContent/Libraries/GameLab/Node.lua     |  7 ----
 Data/DefaultContent/Libraries/GameLab/Package.lua  | 13 ++++++++
 .../Libraries/GameLab/Utils/init.lua               |  3 +-
 Data/DefaultContent/Libraries/GameLab/init.lua     | 11 +++----
 Data/DefaultContent/Libraries/strict.lua           | 30 +++++++++++++++++
 27 files changed, 158 insertions(+), 84 deletions(-)
 create mode 100644 Data/DefaultContent/Libraries/GameLab/Delegate.lua
 create mode 100644 Data/DefaultContent/Libraries/GameLab/Entity.lua
 delete mode 100644 Data/DefaultContent/Libraries/GameLab/Node.lua
 create mode 100644 Data/DefaultContent/Libraries/GameLab/Package.lua
 create mode 100644 Data/DefaultContent/Libraries/strict.lua

(limited to 'Data/DefaultContent/Libraries')

diff --git a/Data/DefaultContent/Libraries/GameLab/Class.lua b/Data/DefaultContent/Libraries/GameLab/Class.lua
index 0b424a6..005a7ce 100644
--- a/Data/DefaultContent/Libraries/GameLab/Class.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Class.lua
@@ -1,4 +1,5 @@
--- GameLab内置class模块
+-- Declare class
+
 -- 保留方法名：New, Ctor, Is
 -- 保留字段：_type, _base
 
diff --git a/Data/DefaultContent/Libraries/GameLab/Debug/init.lua b/Data/DefaultContent/Libraries/GameLab/Debug/init.lua
index 0b6bd7c..b2079a7 100644
--- a/Data/DefaultContent/Libraries/GameLab/Debug/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Debug/init.lua
@@ -1,5 +1,4 @@
-local Debug = GameLab.Debug or {} 
-GameLab.Debug = Debug 
+local Debug = GameLab.Package("GameLab.Debug") 
 
 local c_log = GameLab.Debug.Log 
 local c_log_editor = GameLab.Debug.LogEditor 
diff --git a/Data/DefaultContent/Libraries/GameLab/Delegate.lua b/Data/DefaultContent/Libraries/GameLab/Delegate.lua
new file mode 100644
index 0000000..baa8e86
--- /dev/null
+++ b/Data/DefaultContent/Libraries/GameLab/Delegate.lua
@@ -0,0 +1,38 @@
+local delegate = {} 
+
+delegate.__index = delegate 
+
+delegate.Add = function(self, action)
+    table.insert(self.actions, action)
+    return self 
+end 
+
+delegate.Remove = function(self, action)
+    table.remove(self.actions, action)
+    return self 
+end 
+
+delegate.Invoke = function(self, ...) 
+    for _, f in ipairs(self.actions) do 
+        if f then 
+            f(...) 
+        end 
+    end 
+end 
+
+delegate.__call = function(self, ...) 
+    self:Invoke(...)
+end 
+
+local mt = {} 
+mt.__call = function() 
+    local d = {} 
+    d.actions = {} 
+    setmetatable(d, delegate)
+    return d 
+end 
+setmetatable(delegate, mt)
+
+GameLab.Delegate = delegate
+
+return delegate
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Animation/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Animation/init.lua
index 032f42d..e774739 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Animation/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Animation/init.lua
@@ -1,6 +1,3 @@
-GameLab.Animation  = GameLab.Animation or {} 
-local m = GameLab.Animation
+local animation = GameLab.Package("GameLab.Animation") 
 
-
-
-return m
\ No newline at end of file
+return animation
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/GL/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/GL/init.lua
index f69d1f6..411d73e 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/GL/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/GL/init.lua
@@ -1,10 +1,9 @@
-local  GL = GameLab.Engine.GL or {} 
-GameLab.Engine.GL = GL
+local GL = GameLab.Package("GameLab.Engine.GL")
 
 local Matrix44 = GameLab.find("GameLab.Engine.Math.Matrix44")
 
 GL.LoadPixelMatrix = function(l, r, b, t) 
-    local ortho = Matrix44.New() 
+    local ortho = Matrix44() 
     ortho:SetOrtho(l, r, b, t, 0.1, 10)
     GL.MatrixMode(GL.EMatrixMode.Projection)
     GL.LoadIdentity() 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/GUI/IMGUI.lua b/Data/DefaultContent/Libraries/GameLab/Engine/GUI/IMGUI.lua
index 4c10780..6b324d3 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/GUI/IMGUI.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/GUI/IMGUI.lua
@@ -15,7 +15,6 @@ GUI.GetControlID = function()
     return imgui.currentId
 end
 
--- 每次调用OnGUI（无论是哪个事件）都要重新调用BeginOnGUI方法进行重置
 GUI.BeginOnGUI = function() 
     imgui.currentId = 0
 end 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/GUI/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/GUI/init.lua
index d8bd558..b77a695 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/GUI/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/GUI/init.lua
@@ -1,6 +1,4 @@
-local GUI = GameLab.Engine.GUI or {} 
-GameLab.Engine.GUI = GUI
-
+local GUI = GameLab.Package("GameLab.Engine.GUI") 
 local import = GameLab.import(...)
 
 import("imgui")
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Quaternion.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Quaternion.lua
index 4d690e3..67761d7 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Quaternion.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Quaternion.lua
@@ -1,4 +1,4 @@
-local Quaternion = {}
+local Quaternion = GameLab.GlobalClass("GameLab.Engine.Math.Quaternion")
 
 Quaternion.Ctor = function(self) 
     self.x = 0
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Rect.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Rect.lua
index 5284cf9..e7f29c6 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Rect.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Rect.lua
@@ -22,12 +22,12 @@ Rect.Set = function(self, rect)
 end
 
 Rect.GetPosition = function(self)
-    local v = GameLab.Engine.Math.Vector2.New(self.x, self.y)
+    local v = GameLab.Engine.Math.Vector2(self.x, self.y)
     return v
 end 
 
 Rect.GetSize = function(self)
-    local v = GameLab.Engine.Math.Vector2.New(self.width, self.height)
+    local v = GameLab.Engine.Math.Vector2(self.width, self.height)
     return v
 end 
 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector2.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector2.lua
index eb4c14b..4706423 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector2.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector2.lua
@@ -1,20 +1,24 @@
 local Vector2 = GameLab.GlobalClass("GameLab.Engine.Math.Vector2")
 
-Vector2.Ctor = function(self, x, y)
+function Vector2:Ctor(x, y)
     self.x = x or 0
     self.y = y or 0
 end
 
-Vector2.__add = function(self, other)
+function Vector2:__add(other)
     self.x = self.x + other.x 
     self.y = self.y + other.y
     return self
 end 
 
-Vector2.Add = function(self, other)
+function Vector2:Add(other)
     self.x = self.x + other.x 
     self.y = self.y + other.y
     return self
 end 
 
+function Vector2:__tostring() 
+    return string.format("%0.3f,%0.3f", self.x, self.y)
+end 
+
 return Vector2
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector3.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector3.lua
index 8203b1f..3fcf60b 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector3.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector3.lua
@@ -1,6 +1,6 @@
 local Vector3 = GameLab.GlobalClass("GameLab.Engine.Math.Vector3")
 
-Vector3.Ctor = function(self, x, y, z)
+function Vector3:Ctor(x, y, z)
     self.x = x or 0
     self.y = y or 0
     self.z = z or 0
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector4.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector4.lua
index ecfc9ff..c50fd69 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector4.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/Vector4.lua
@@ -1,41 +1,41 @@
 local Vector4 = GameLab.GlobalClass("GameLab.Engine.Math.Vector4")
 
-Vector4.Ctor = function (self, x, y, z, w)
+function Vector4:Ctor(x, y, z, w)
     self.x = x or 0    
     self.y = y or 0    
     self.z = z or 0    
     self.w = w or 0    
 end
 
-Vector4.Magnitude = function (self)
+function Vector4:Magnitude()
 
 end
 
-Vector4.Normalized = function (self)
+function Vector4:Normalized()
 
 end
 
-Vector4.SqrMagnitude = function (self)
+function Vector4:SqrMagnitude()
 
 end
 
-Vector4.Distance = function (self, to)
+function Vector4:Distance(to)
 
 end
 
-Vector4.Dot = function(self, v)
+function Vector4:Dot(v)
 
 end
 
-Vector4.Lerp = function(self, v, t)
+function Vector4:Lerp(v, t)
 
 end
 
-Vector4.Project = function (self, v)
+function Vector4:Project(v)
 
 end
 
-Vector4.Scale = function(self, scale)
+function Vector4:Scale(scale)
 
 end
 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Math/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Math/init.lua
index 68934e5..4180e5f 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Math/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Math/init.lua
@@ -1,5 +1,4 @@
-local m = GameLab.Engine.Math or {}
-GameLab.Engine.Math = m
+local math = GameLab.Package("GameLab.Engine.Math")
 
 local import = GameLab.import(...)
 
@@ -14,16 +13,16 @@ import("Rect")
 
 GameLab.Debug.Log("GameLab.Engine.Math loaded")
 
-m.Max = function(a, b)
+math.Max = function(a, b)
     return a >= b and a or b
 end 
 
-m.Min = function(a, b)
+math.Min = function(a, b)
     return a <= b and a or b
 end 
 
-m.Clamp = function(v, min, max)
-    return m.Min(m.Max(v, min), max)
+math.Clamp = function(v, min, max)
+    return math.Min(math.Max(v, min), max)
 end 
 
-return m
\ No newline at end of file
+return math
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/Image.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/Image.lua
index 5ef75e5..6601fda 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/Image.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/Image.lua
@@ -1,4 +1,4 @@
--- Image在texture基础上增加了一些元数据
+-- Image在texture基础上增加了一些数据
 local Image = GameLab.GlobalClass("GameLab.Engine.Rendering.Image")
 
 Image.Ctor = function(self, texture) 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/init.lua
index 5469297..a5b277f 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Rendering/init.lua
@@ -1,5 +1,4 @@
-local m = GameLab.Engine.Rendering or {} 
-GameLab.Engine.Rendering = m
+local m = GameLab.Package("GameLab.Engine.Rendering") 
 
 local import = GameLab.import(...)
 
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/Resource/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/Resource/init.lua
index 4942131..2b7d0ef 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/Resource/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/Resource/init.lua
@@ -1,5 +1,4 @@
-local m = GameLab.Engine.Resource or {} 
-GameLab.Engine.Resource = m
+local m = GameLab.Package("GameLab.Engine.Resource")  
 local import = GameLab.import(...)
 
 ----------------------------------------------------------------------------------
diff --git a/Data/DefaultContent/Libraries/GameLab/Engine/init.lua b/Data/DefaultContent/Libraries/GameLab/Engine/init.lua
index f6f46a4..fe1347c 100644
--- a/Data/DefaultContent/Libraries/GameLab/Engine/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Engine/init.lua
@@ -1,5 +1,4 @@
-GameLab.Engine = GameLab.Engine or {} 
-
+local engine = GameLab.Package("GameLab.Engine")
 local import = GameLab.import(...)
 
-return GameLab.Engine
\ No newline at end of file
+return engine
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Entity.lua b/Data/DefaultContent/Libraries/GameLab/Entity.lua
new file mode 100644
index 0000000..4da28f9
--- /dev/null
+++ b/Data/DefaultContent/Libraries/GameLab/Entity.lua
@@ -0,0 +1,11 @@
+--https://stackoverflow.com/questions/27897714/whats-the-distinction-between-an-entity-and-a-game-object
+-- 游戏中的实体
+local Entity = GameLab.GlobalClass("GameLab.Entity")
+
+Entity.Ctor = function(self)
+    self.m_Components = {} 
+
+end 
+
+
+return Entity
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Enum.lua b/Data/DefaultContent/Libraries/GameLab/Enum.lua
index 1db5e89..52c2beb 100644
--- a/Data/DefaultContent/Libraries/GameLab/Enum.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Enum.lua
@@ -6,20 +6,21 @@ local unmodified = {
     __newindex = function(t, k, val)
         Debug.LogError("Enum is readonly. key=" .. k)
     end, 
+
     __index = function(t, k, val)
         Debug.LogError("Invalid key " .. k)
     end 
 }
 
 local Enum = function(tb)
-    local enum = {} 
+    local e = {} 
     for i, v in ipairs(tb) do 
-        enum[v] = i 
+        e[v] = i 
     end 
-    setmetatable(enum, unmodified)
-    return enum
+    setmetatable(e, unmodified)
+    return e
 end 
 
 GameLab.Enum = Enum
 
-return Enum
+return Enum
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Events/init.lua b/Data/DefaultContent/Libraries/GameLab/Events/init.lua
index 2448676..f84dba6 100644
--- a/Data/DefaultContent/Libraries/GameLab/Events/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Events/init.lua
@@ -1,9 +1,6 @@
-local Events = GameLab.Events or{} 
-GameLab.Events = Events
-
+local Events = GameLab.Package("GameLab.Events") 
 local import = GameLab.import(...)
 
 import("Event")
 
-
 return Events 
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/GlobalEnum.lua b/Data/DefaultContent/Libraries/GameLab/GlobalEnum.lua
index bc3b451..b34a957 100644
--- a/Data/DefaultContent/Libraries/GameLab/GlobalEnum.lua
+++ b/Data/DefaultContent/Libraries/GameLab/GlobalEnum.lua
@@ -1,20 +1,20 @@
-local Enum = GameLab.Enum or require("GameLab.Enum")
+local enum = GameLab.Enum or require("GameLab.Enum")
 
--- 声明类的同时添加到G表 
-local GlobalEnum = function(enumName, tb) 
-    local enum = Enum(tb)
+local genum = function(name, tb) 
+    local e = enum(tb)
     
-    local shortName = string.match(enumName, "%.*(%w+)$")
+    local short = string.match(name, "%.*(%w+)$")
+    local pkgs = string.gmatch(name, "%.*(%w+)%.") 
     local t = _G
-    for pkg in string.gmatch(enumName, "%.*(%w+)%.") do
+    for pkg in pkgs do
         t[pkg] = t[pkg] or {}
         t = t[pkg]
     end
-    t[shortName] = enum
+    t[short] = e
 
-    return enum
+    return e
 end
 
-GameLab.GlobalEnum = GlobalEnum
+GameLab.GlobalEnum = genum
 
-return GlobalEnum
\ No newline at end of file
+return genum
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/GlobalTable.lua b/Data/DefaultContent/Libraries/GameLab/GlobalTable.lua
index 10e3811..4e6e1fb 100644
--- a/Data/DefaultContent/Libraries/GameLab/GlobalTable.lua
+++ b/Data/DefaultContent/Libraries/GameLab/GlobalTable.lua
@@ -1,13 +1,13 @@
-local GlobalTable = function(tbName) 
+local GlobalTable = function(name) 
     local tb = {}
     
-    local shortName = string.match(tbName, "%.*(%w+)$")
+    local short = string.match(name, "%.*(%w+)$")
     local t = _G
-    for pkg in string.gmatch(tbName, "%.*(%w+)%.") do
+    for pkg in string.gmatch(name, "%.*(%w+)%.") do
         t[pkg] = t[pkg] or {}
         t = t[pkg]
     end
-    t[shortName] = tb
+    t[short] = tb
 
     return tb
 end
diff --git a/Data/DefaultContent/Libraries/GameLab/Node.lua b/Data/DefaultContent/Libraries/GameLab/Node.lua
deleted file mode 100644
index c5d43e9..0000000
--- a/Data/DefaultContent/Libraries/GameLab/Node.lua
+++ /dev/null
@@ -1,7 +0,0 @@
---https://stackoverflow.com/questions/27897714/whats-the-distinction-between-an-entity-and-a-game-object
--- 游戏中的实体
-local Node = GameLab.GlobalClass("GameLab.Node")
-
-
-
-return Node
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Package.lua b/Data/DefaultContent/Libraries/GameLab/Package.lua
new file mode 100644
index 0000000..5eba68b
--- /dev/null
+++ b/Data/DefaultContent/Libraries/GameLab/Package.lua
@@ -0,0 +1,13 @@
+local package = function (name)
+    local t = _G 
+    local pkgs = string.gmatch(name, "%.*(%w+)%.*")
+    for pkg in pkgs do
+        t[pkg] = t[pkg] or {}
+        t = t[pkg]
+    end
+    return t
+end 
+
+GameLab.Package = package 
+
+return package
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/Utils/init.lua b/Data/DefaultContent/Libraries/GameLab/Utils/init.lua
index 0ca5131..51f6938 100644
--- a/Data/DefaultContent/Libraries/GameLab/Utils/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/Utils/init.lua
@@ -1,4 +1,3 @@
-local utils = GameLab.Utils or {}
-GameLab.Utils = utils
+local utils = GameLab.Package("GameLab.Utils")
 
 return uitls 
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/GameLab/init.lua b/Data/DefaultContent/Libraries/GameLab/init.lua
index df0e19a..1c86c3d 100644
--- a/Data/DefaultContent/Libraries/GameLab/init.lua
+++ b/Data/DefaultContent/Libraries/GameLab/init.lua
@@ -22,13 +22,12 @@ GameLab.find = function(fullName)
     return require(fullName)
 end
 
--- classes
-GameLab.Class = require("GameLab.Class")
+GameLab.Package     = require("GameLab.Package")
+GameLab.Class       = require("GameLab.Class")
 GameLab.GlobalClass = require("GameLab.GlobalClass")
-
-GameLab.Enum = require("GameLab.Enum")
-GameLab.GlobalEnum = require("GameLab.GlobalEnum")
-
+GameLab.Enum        = require("GameLab.Enum")
+GameLab.GlobalEnum  = require("GameLab.GlobalEnum")
 GameLab.GlobalTable = require("GameLab.GlobalTable")
+GameLab.Delegate    = require("GameLab.Delegate")
 
 return GameLab
\ No newline at end of file
diff --git a/Data/DefaultContent/Libraries/strict.lua b/Data/DefaultContent/Libraries/strict.lua
new file mode 100644
index 0000000..6f67fc0
--- /dev/null
+++ b/Data/DefaultContent/Libraries/strict.lua
@@ -0,0 +1,30 @@
+local mt = getmetatable(_G)
+if mt == nil then
+  mt = {}
+  setmetatable(_G, mt)
+end
+
+__STRICT = true
+mt.__declared = {}
+
+mt.__newindex = function (t, n, v)
+  if __STRICT and not mt.__declared[n] then
+    local w = debug.getinfo(2, "S").what
+    if w ~= "main" and w ~= "C" then
+      error("assign to undeclared variable '"..n.."'", 2)
+    end
+    mt.__declared[n] = true
+  end
+  rawset(t, n, v)
+end
+  
+mt.__index = function (t, n)
+  if not mt.__declared[n] and debug.getinfo(2, "S").what ~= "C" then
+    error("variable '"..n.."' is not declared", 2)
+  end
+  return rawget(t, n)
+end
+
+function global(...)
+   for _, v in ipairs{...} do mt.__declared[v] = true end
+end
\ No newline at end of file
-- 
cgit v1.1-26-g67d0