From 44ad494d99d20f759c52f15d9d69855d9951c813 Mon Sep 17 00:00:00 2001
From: Lars Mueller <appgurulars@gmx.de>
Date: Thu, 22 Apr 2021 11:54:25 +0200
Subject: [PATCH] Lua log files: Fix infinities

---
 persistence.lua | 3 ++-
 test.lua        | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/persistence.lua b/persistence.lua
index 15512f7..2a23886 100644
--- a/persistence.lua
+++ b/persistence.lua
@@ -13,7 +13,8 @@ end
 function lua_log_file:load()
 	-- Bytecode is blocked by the engine
 	local read = assert(loadfile(self.file_path))
-	local env = {}
+	-- math.huge is serialized to inf
+	local env = {inf = math.huge}
 	setfenv(read, env)
 	read()
 	env.R = env.R or {{}}
diff --git a/test.lua b/test.lua
index f158540..00a3cc7 100644
--- a/test.lua
+++ b/test.lua
@@ -196,10 +196,10 @@ local logfile = persistence.lua_log_file.new(mod.get_resource"logfile.test.lua",
 logfile:init()
 logfile.root = {}
 logfile:rewrite()
-logfile:set_root({a = 1}, {b = 2, c = 3})
+logfile:set_root({a = 1}, {b = 2, c = 3, d = _G.math.huge, e = -_G.math.huge})
 logfile:close()
 logfile:init()
-assert(table.equals(logfile.root, {[{a = 1}] = {b = 2, c = 3}}))
+assert(table.equals(logfile.root, {[{a = 1}] = {b = 2, c = 3, d = _G.math.huge, e = -_G.math.huge}}))
 
 -- in-game tests & b3d testing
 local tests = {