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RMRK RPG Maker Creation => VX => VX Scripts Database => Topic started by: game_guy on February 29, 2012, 05:08:57 AM

Title: [VX] One Game Instance
Post by: game_guy on February 29, 2012, 05:08:57 AM
One Game Instance
Authors: game_guy
Version: 1.0
Type: System Utility
Introduction

This script is to prevent multiple instances of your game. This is really only for online games so players can't cheat and PvP each other or whatever.
Features

Screenshots

N/A
Demo

N/A
Script

Place at very top!
Spoiler for:
Code: [Select]
#===============================================================================
# One Game Instance
# Version 1.0
# Author game_guy
#-------------------------------------------------------------------------------
# Intro:
# Prevents players from opening multiple instances of your games.
#
# Features:
# Prevents Multiple Instances
# Custom File/Error
# XP/VX Compatible
#
# Instructions:
# Place as first script.
# Configure the 2 variables and thats all!
#
# Compatibility:
# Works with everything.
#
# Credits:
# game_guy ~ For creating it.
# ZenVirZan ~ For requesting it.
#===============================================================================

# Custom error message.
ERROR = "Instance already running."
# Custom file name, I'd recommend leaving the ENV[Appdata]
TOKEN_FILE = ENV['APPDATA'] + "game_name.token"

begin
  if FileTest.exists?(TOKEN_FILE)
    begin
      File.delete(TOKEN_FILE)
    rescue Errno::EACCES
      if !DEBUG && !$TEST
        print ERROR
        exit
      end
    end
  end
  $token = File.open(TOKEN_FILE, "w")
end
Instructions

In script.
Compatibility

Works with everything.
XP/VX/VX Ace compatibility.
Credits and Thanks

Author's Notes

Prevent dem hackahs! >:U