From c63618a44c7251ddd548b17aaa3b780dcd2fe097 Mon Sep 17 00:00:00 2001
From: MrZ626 <1046101471@qq.com>
Date: Mon, 30 Nov 2020 01:35:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E5=BD=95=E5=83=8F=E4=BF=A1?=
 =?UTF-8?q?=E6=81=AF=E8=BD=AC=E7=A0=81=E5=87=BD=E6=95=B0?=
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---
 parts/gametoolfunc.lua | 59 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/parts/gametoolfunc.lua b/parts/gametoolfunc.lua
index ab25b09a..a02c8086 100644
--- a/parts/gametoolfunc.lua
+++ b/parts/gametoolfunc.lua
@@ -507,4 +507,63 @@ function scoreValid()
 		end
 	end
 	return true
+end
+function dumpRecording(L)
+	local out=""
+	local buffer=""
+	local prevFrm=0
+	local p=1
+	while L[p]do
+		--Check buffer size
+		if #buffer>10 then
+			out=out..buffer
+			buffer=""
+		end
+
+		--Encode time
+		local t=L[p]-prevFrm
+		prevFrm=L[p]
+		while t>=255 do
+			buffer=buffer.."\255"
+			t=t-255
+		end
+		buffer=buffer..char(t)
+
+		--Encode key
+		t=L[p+1]
+		buffer=buffer..char(t>0 and t or 256+t)
+
+		--Step
+		p=p+2
+	end
+	return data.encode("string","base64",out..buffer)
+end
+function parseRecording(str)
+	str=data.decode("string","base64",str)
+	local len=#str
+	local L={}
+	local p=1
+	local curFrm=0
+
+	while p<=len do
+		--Read delta time
+		::nextByte::
+		local b=byte(str,p)
+		if b==255 then
+			curFrm=curFrm+255
+			p=p+1
+			goto nextByte
+		end
+		curFrm=curFrm+b
+		L[#L+1]=curFrm
+		p=p+1
+
+		b=byte(str,p)
+		if b>127 then
+			b=b-256
+		end
+		L[#L+1]=b
+		p=p+1
+	end
+	return L
 end
\ No newline at end of file