#include <amxmisc>
#include <engine>
#include <fakemeta>
#include <geoip>
 
#define PLUGIN "Mutasd az időt!"
#define VERSION "1.1"
#define AUTHOR "Doondook, RaZ_HU"
 
#define SetUserBot(%1) 		gIsBot |= 1<<(%1 & (MAX_PLAYERS - 1))
#define ClearUserBot(%1) 	gIsBot &= ~(1<<(%1 & (MAX_PLAYERS - 1)))
#define IsUserBot(%1) 		gIsBot & 1<<(%1 & (MAX_PLAYERS - 1))
 
#define SetUserConnected(%1)    gIsConnected |= 1<<(%1 & (MAX_PLAYERS - 1))
#define ClearUserConnected(%1) 	gIsConnected &= ~(1<<(%1 & (MAX_PLAYERS - 1)))
#define IsUserConnected(%1) 	gIsConnected & 1<<(%1 & (MAX_PLAYERS - 1))
 
//#define ReplaceTimer // Felül írja-e vagy sem a köridő jelzőt
 
#if AMXX_VERSION_NUM < 183
#define MAX_PLAYERS 32
#endif
 
new gIsBot, gIsConnected
 
#if defined ReplaceTimer
new gMsgRoundTime
#else
new gMsgHudSync
#endif
 
new gMaxPlayers
 
new gUserUTC[MAX_PLAYERS + 1]
 
new Trie:gTrieUTC
 
new gTimer, gIterations
 
public plugin_init() {
	register_plugin(PLUGIN, VERSION, AUTHOR)
 
 
	#if AMXX_VERSION_NUM < 183
	gMaxPlayers = get_maxplayers()
	#else
	gMaxPlayers = MaxClients
	#endif
 
	#if defined ReplaceTimer
	gMsgRoundTime = get_user_msgid("RoundTime")
	#endif
 
	// Create timezones trie map of UTC offsets.
	getUTCbase()
 
	// Get server's UTC offset.
	// If server's timezone is not recognized by <geoip> databases,
	// you can set it manually, +/- integer in minutes:
	// - for UTC 3:00
	// 	gUserUTC[0] = 180
	// - for UTC -1:30
	// 	gUserUTC[0] = -90
	// Comment the line below if you set it manually.
	gUserUTC[0] = getUserUTC(0)
 
	// Get server's current time without UTC offset.
	new szTime[9], szHours[3], szMinutes[3], szSeconds[3]
	get_time("%H %M %S", szTime, charsmax(szTime))
	parse(szTime, szHours, charsmax(szHours), szMinutes, charsmax(szMinutes), szSeconds, charsmax(szSeconds))
 
	// Using timer counter instead of calling get_time().
	gTimer = str_to_num(szHours) * 60 + str_to_num(szMinutes) - gUserUTC[0]
 
	// Amount of the timer entity iterations to increment minutes.
	// Double up current seconds, because the timer entity thinks every 0.5 seconds.
	gIterations = str_to_num(szSeconds) * 2
 
	// Create entity for using as permanent task.
	new szEntity = create_entity("info_target")
 
	if(szEntity) {
		register_think("Timer", "showTime")
		set_pev(szEntity, pev_classname, "Timer")
		set_pev(szEntity, pev_nextthink, get_gametime() + 0.01)
	} else {
		set_fail_state("Cannot create timer entity.")
	}
 
	#if !defined ReplaceTimer
	// Create sync object for hudmessage
	gMsgHudSync = CreateHudSyncObj()
	#endif
}
 
public showTime(szEntity) {
	new szTime
	for(new id = 1; id <= gMaxPlayers; id++) {
		if(~IsUserConnected(id) || IsUserBot(id)) {
			continue
		}
 
		szTime = gTimer + gUserUTC[id]
 
		// Check for midnight limit
		if(szTime >= 1440) {
			szTime -= 1440
		} else if (szTime < 0) {
			szTime += 1440
		}
 
		#if defined ReplaceTimer
		// Replace round time with server's UTC 0 time + user's UTC offset = user's time in his timezone.
		message_begin(MSG_ONE_UNRELIABLE, gMsgRoundTime, _, id)
		write_short(szTime + 1) // +1 because of round timer implementation (60 will be 0:59)
		message_end()
		#else
		// HUD üzenet kiíratása
		displayTime(id, szTime)
		#endif
	}
 
	// Count iterations of the entity think
	gIterations++
 
	// Increment timer every 120 iterations (1 minute)
	if(gIterations == 120) {
		gTimer++
		gIterations = 0
	}
 
	// Set counter to zero at midnight
	if(gTimer >= 1440) {
		gTimer = 0
	}
 
	// Lets make it infinite
	set_pev(szEntity, pev_nextthink, get_gametime() + 0.5)
}
 
#if !defined ReplaceTimer
public displayTime(id, theTime) {
	new iMinutes = theTime % 60
	new iHours = floatround( ( theTime - iMinutes ) / 60.0 )
	new iTimeText[8]
 
	// Szépítés
	if(iMinutes < 10)
		formatex(iTimeText, charsmax(iTimeText), "%d: 0%d", iHours, iMinutes)
	else
		formatex(iTimeText, charsmax(iTimeText), "%d: %d", iHours, iMinutes)
 
	// Az idő kijelzése a HUD-ra
	set_hudmessage(30, 30, 30, 0.488, 0.94, 0, 0.3, 1.0, 0.0, 0.0, -1)
	ShowSyncHudMsg(id, gMsgHudSync, iTimeText )
}
#endif
 
getUserUTC(id) {
	// Get user's timezone by IP.
	new szTimezone[64], szIP[20]
	get_user_ip(id, szIP, charsmax(szIP), 1)
 
	// Helyi szerver esetén használjon egyénileg megadott időzónát
	// Példákhoz lásd a GeoTimezones.txt tartalmát!
	if( equal(szIP, "192",3) || equal(szIP, "127", 3) )
	{
		formatex(szTimezone, charsmax(szTimezone), "Europe/Budapest")
	}
	else
	{
		get_user_ip(id, szIP, charsmax(szIP), 1)
		geoip_timezone(szIP, szTimezone, charsmax(szTimezone))
	}
 
	// Check for determined timezone in trie map
	if(TrieKeyExists(gTrieUTC, szTimezone)) {
		// Get UTC offset by user's timezone
		new szUTC
		TrieGetCell(gTrieUTC, szTimezone, szUTC)
 
		return szUTC
	}
 
	return 0
}
 
getUTCbase() {
	// Convert file's information to trie map
	gTrieUTC = TrieCreate()
 
	new szPath[128]
	get_datadir(szPath, charsmax(szPath))
	formatex(szPath, charsmax(szPath), "%s/%s", szPath, "GeoTimezones.txt")
 
	if (!file_exists(szPath)) {
		log_amx("Cannot open %s", szPath)
	} else {
		new szLine[81], szKey[64], szValue[16]
		new szFile = fopen(szPath, "r")
 
		while(!feof(szFile)) {
			fgets(szFile, szLine, charsmax(szLine))
 
			strtok(szLine, szKey, charsmax(szKey), szValue, charsmax(szValue), '@')
 
			// Convert UTC offset value to seconds and save it in trie map
			new szHours[4], szMinutes[3]
			strtok(szValue, szHours, charsmax(szHours), szMinutes, charsmax(szMinutes), ':')
 
			TrieSetCell(gTrieUTC, szKey, str_to_num(szHours) * 60 + str_to_num(szMinutes))
		}
 
		fclose(szFile)
	}
}
 
public client_putinserver(id) {
	SetUserConnected(id)
 
	if(is_user_bot(id) || is_user_hltv(id)) {
		SetUserBot(id)
	}
	else
		gUserUTC[id] = getUserUTC(id)
}
 
#if AMXX_VERSION_NUM < 183
public client_disconnect(id) {
#else
public client_disconnected(id) {
#endif
	ClearUserBot(id)
	ClearUserConnected(id)
}
 
public plugin_end() {
	TrieDestroy(gTrieUTC)
}