From 1ebd7d9b7b62c8e05d527611a1944ed1a876b890 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Fri, 3 Feb 2023 19:37:28 +0000
Subject: debug drawing change, zoom clamping, partial refactoring of class
 mechanisms to allow inheritance, minor refactor of noise generator, changes
 to temp worldgen, rework of class constructor mechanism

---
 common/class.lua | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 common/class.lua

(limited to 'common/class.lua')

diff --git a/common/class.lua b/common/class.lua
new file mode 100644
index 0000000..37cf7bd
--- /dev/null
+++ b/common/class.lua
@@ -0,0 +1,23 @@
+local function class()
+	local T = {}
+	T.__index = T
+	return T
+end
+
+local function extend(Base)
+	local T = {}
+	T.__index = T
+	for k,v in pairs(Base) do
+		if k:sub(1,2) == "__" and k~="__index" then
+			T[k]=v
+		end
+	end
+	setmetatable(T,{__index=Base})
+end
+
+return setmetatable({
+	class=class,
+	extend=extend
+},{__call=class})
+
+
-- 
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