ItsMods

using System;
using Addon;
using System.Runtime.InteropServices;
 
namespace UnlimitedAmmoV2
{
    public class UnlimitedAmmoV2 : CPlugin
    {
        #region DLLImports
        [DllImport("kernel32.dll", SetLastError = true)]
        private static extern bool VirtualProtect(IntPtr lpAddress, uint dwSize, uint flNewProtect, out uint lpflOldProtect);
        [DllImport("msvcrt.dll", EntryPoint = "memcpy", CallingConvention = CallingConvention.Cdecl, SetLastError = false)]
        static extern IntPtr memcpy(IntPtr dest, IntPtr src, int count);
        #endregion
 
        #region Ammo Addresses
        private IntPtr weapAmmoAddr = (IntPtr)0x420E69;
        private IntPtr equipAmmoAddr = (IntPtr)0x41E749;
 
        #region Default Ammo Values
        private byte[] weapAmmo = new byte[] { 0xFF, 0x4C, 0xB8, 0x04 };
        private byte[] equipAmmo = new byte[] { 0xFF, 0x48, 0x04 };
	#endregion
	#endregion
 
	private bool unlimitedAmmo = false;
 
	private string version = "v1.0";
 
	public void SetEnabled(bool enabled)
	{
            if (unlimitedAmmo != enabled)
            {
                try
	        {
		    if (enabled)
		    {
		        weapAmmo = new byte[] { 0x90, 0x90, 0x90, 0x90 };
		        equipAmmo = new byte[] { 0x90, 0x90, 0x90 };
		    }
		    else
		    {
		        weapAmmo = new byte[] { 0xFF, 0x4C, 0xB8, 0x04 };
		        equipAmmo = new byte[] { 0xFF, 0x48, 0x04 };
		    }
 
		    memcpy(weapAmmoAddr, Marshal.UnsafeAddrOfPinnedArrayElement(weapAmmo, 0), weapAmmo.Length);
		    memcpy(equipAmmoAddr, Marshal.UnsafeAddrOfPinnedArrayElement(equipAmmo, 0), equipAmmo.Length);
 
		    unlimitedAmmo = enabled;
	        }
	        catch (Exception ex)
	        {
		    ServerPrint("UnlAmmoV2 ERROR: " + ex.Message);
	        }
	    }
        }
 
        public override void OnServerLoad()
        {
	    //Initialize Ammo Addresses
	    initAmmoAddresses();
	    ServerPrint(string.Format("UnlAmmoV2 {0} loaded. Author: Deviler86", version));
        }
 
	public override ChatType OnSay(string Message, ServerClient Client)
        {
	    if (Message.ToLower() == "!ammo")
	    {
	    	SetEnabled(!unlimitedAmmo);
		TellClient(Client.ClientNum, string.Format("UnlAmmoV2: Unlimited Ammo is now {0}.", (unlimitedAmmo ? "enabled" : "disabled")), true);
 
		return ChatType.ChatNone;
	    }
	    else
		return ChatType.ChatContinue;
        }
 
	private void initAmmoAddresses()
	{
	    try
	    {
	    	uint size = 4;
		uint newProtect = 0x40;
		uint oldProtect = 0;
 
		VirtualProtect(weapAmmoAddr, size, newProtect, out oldProtect);
		VirtualProtect(equipAmmoAddr, size, newProtect, out oldProtect);
	    }
	    catch (Exception ex)
	    {
		ServerPrint("UnlAmmoV2 ERROR: " + ex.Message);
	    }
	}
    }
}