iCool's PM System

//Hey All. Its me iCool. I m again back with a good FS.This is a simple pm system.

//Please do not re-release this without my permission or remove the credits.

//By iCool

// Includes
#include <a_samp>
#include <sscanf>

#define dcmd(%1,%2,%3) if (!strcmp((%3)[1], #%1, true, (%2)) && ((((%3)[(%2) + 1] == '\0') && (dcmd_%1(playerid, ""))) || (((%3)[(%2) + 1] == ' ') && (dcmd_%1(playerid, (%3)[(%2) + 2]))))) return 1

// Colours
#define COLOR_RED 0xFF0000FF
#define COLOR_YELLOW 0xFFFF00AA
#define COLOR_ORANGE 0xFF9900AA

// Player Variable
enum PlayerInfo
{
	Last,
	NoPM,
}

new pInfo[MAX_PLAYERS][PlayerInfo];

public OnFilterScriptInit()
{
	print("\n--------------------------------------------");
	print(" Simple PM System by iCool");
	print("--------------------------------------------\n");
	return 1;
}

public OnFilterScriptExit()
{
    print("\n--------------------------------------------");
	print(" Simple PM System by iCool");
	print("--------------------------------------------\n");
	return 1;
}

public OnPlayerConnect(playerid)
{
	pInfo[playerid][Last] = -1;
	pInfo[playerid][NoPM] = 0;
	return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    pInfo[playerid][Last] = -1;
	pInfo[playerid][NoPM] = 0;
	return 1;
}

stock PlayerName(playerid)
{
	new pName[MAX_PLAYER_NAME];
	GetPlayerName(playerid, pName, sizeof(pName));
	return pName;
}

dcmd_nopm(playerid, params[])
{
	#pragma unused params
	if(pInfo[playerid][NoPM] == 0)
	{
	    pInfo[playerid][NoPM] = 1;
	    SendClientMessage(playerid, COLOR_YELLOW, "You are no longer accepting private messages.");
	}
	else
	{
	    pInfo[playerid][NoPM] = 0;
	    SendClientMessage(playerid, COLOR_YELLOW, "You are now accepting private messages.");
	}
}

dcmd_pm(playerid, params[])
{
	new pID, text[128], string[128];
	if(sscanf(params, "us", pID, text)) return SendClientMessage(playerid, COLOR_RED, "USAGE: /pm [ID] [message] - Enter a valid ID");
	if(!IsPlayerConnected(pID)) return SendClientMessage(playerid, COLOR_RED, "Player is not connected.");
	if(pID == playerid) return SendClientMessage(playerid, COLOR_RED, "You cannot PM yourself.");
	format(string, sizeof(string), "%s (%d) is not accepting private messages at the moment.", PlayerName(pID), pID);
	if(pInfo[pID][NoPM] == 1) return SendClientMessage(playerid, COLOR_RED, string);
	format(string, sizeof(string), "PM to %s: %s", PlayerName(pID), text);
	SendClientMessage(playerid, COLOR_YELLOW, string);
	format(string, sizeof(string), "PM from %s: %s", PlayerName(playerid), text);
	SendClientMessage(pID, COLOR_YELLOW, string);
	pInfo[pID][Last] = playerid;
	return 1;
}

dcmd_reply(playerid, params[])
{
	new text[128], string[128];
	if(sscanf(params, "s", text)) return SendClientMessage(playerid, COLOR_RED, "USAGE: /reply [message] - Enter your message");
	new pID = pInfo[playerid][Last];
	if(!IsPlayerConnected(pID)) return SendClientMessage(playerid, COLOR_RED, "Player is not connected.");
	if(pID == playerid) return SendClientMessage(playerid, COLOR_RED, "You cannot PM yourself.");
	format(string, sizeof(string), "%s (%d) is not accepting private messages at the moment.", PlayerName(pID), pID);
	if(pInfo[pID][NoPM] == 1) return SendClientMessage(playerid, COLOR_RED, string);
	format(string, sizeof(string), "PM to %s: %s", PlayerName(pID), text);
	SendClientMessage(playerid, COLOR_YELLOW, string);
	format(string, sizeof(string), "PM from %s: %s", PlayerName(playerid), text);
	SendClientMessage(pID, COLOR_YELLOW, string);
	pInfo[pID][Last] = playerid;
	return 1;
}

dcmd_ms(playerid, params[]) return dcmd_pm(playerid, params);
dcmd_m(playerid, params[]) return dcmd_pm(playerid, params);
dcmd_r(playerid, params[]) return dcmd_reply(playerid, params);

public OnPlayerCommandText(playerid, cmdtext[])
{
	dcmd(pm, 2, cmdtext);
	dcmd(ms, 2, cmdtext);
	dcmd(m, 1, cmdtext);
	dcmd(r, 1, cmdtext);
	dcmd(reply, 5, cmdtext);
	dcmd(nopm, 4, cmdtext);
	return 0;
}