From cb1bc03681dff958da6ff851cfe32dfdd83f6f8d Mon Sep 17 00:00:00 2001
From: jussi
Date: Wed, 22 May 2024 00:11:40 +0300
Subject: Object lib serialization.

---
 examples/resources/lib/matrix.lua | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

(limited to 'examples/resources/lib/matrix.lua')

diff --git a/examples/resources/lib/matrix.lua b/examples/resources/lib/matrix.lua
index 1dc128f..e94cb10 100644
--- a/examples/resources/lib/matrix.lua
+++ b/examples/resources/lib/matrix.lua
@@ -20,7 +20,7 @@ local function copyMatrix( orig )
 end
 
 local Matrix = {}
-Matrix.meta = {
+local metatable = {
 	__index = Matrix,
 	__tostring = function( m )
 		return "{\n"
@@ -45,7 +45,7 @@ Matrix.meta = {
 }
 
 function Matrix:new( m )
-	local object = setmetatable( {}, Matrix.meta )
+	local object = setmetatable( {}, metatable )
 
 	object.m = copyMatrix( m )
 
@@ -56,6 +56,28 @@ function Matrix:set( m )
 	self.m = copyMatrix( m )
 end
 
+function Matrix:serialize()
+	local str = { "Matrix:new({" }
+
+	for i, row in ipairs( self.m ) do
+		table.insert( str, "{" )
+
+		for c, v in ipairs( row ) do
+			table.insert( str, v )
+			if c < 4 then
+				table.insert( str, "," )
+			end
+		end
+		table.insert( str, "}" )
+		if i < 4 then
+			table.insert( str, "," )
+		end
+	end
+	table.insert( str, "})" )
+
+	return table.concat( str )
+end
+
 function Matrix:clone()
 	return Matrix:new( self.m )
 end
-- 
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