From 08a704d58fb2324d001a74e32a0397b24fdbf24c Mon Sep 17 00:00:00 2001
From: Kiritow <1362050620@qq.com>
Date: Sat, 10 Mar 2018 02:16:49 +0800
Subject: [PATCH] Add methods to get real world time

---
 util.lua | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/util.lua b/util.lua
index 25ee11d..f8c4e2f 100644
--- a/util.lua
+++ b/util.lua
@@ -1,5 +1,30 @@
 local component=require("component")
 local serialization = require("serialization")
+local filesystem=require("filesystem")
+
+function getWorldTimestamp()
+    local name=os.tmpname()
+    local f=io.open(name,"w")
+    f:close()
+    local ts=filesystem.lastModified(name)
+    filesystem.remove(name)
+    return ts
+end
+
+function getWorldTimeInfo(gmt)
+    if(gmt==nil) then gmt=0 end
+    local x=getWorldTimestamp()+gmt*3600*1000
+    local t=os.date("*t",math.ceil(x/1000))
+    t.msec=x%1000
+    t.unix=math.ceil(x/1000)
+    t.stamp=x
+    return t
+end
+
+function getWorldDate(gmt)
+    local t=getWorldTimeInfo(gmt)
+    return t.year,t.month,t.day,t.hour,t.min,t.sec,t.msec
+end
 
 function serialize(value)
     return serialization.serialize(value)