ZCMD Double Slash

/**********************************
 *                                *
 *   @Author:      ZeeX           *
 *   @Version:     0.3.1          *
 *   @Released:    31/10/2009     *
 *                                *
 **********************************/

#if defined _zcmd_included
    #endinput
#endif
#define _zcmd_included

#define MAX_FUNC_NAME (32)

// Regular Command
#define COMMAND:%1(%2)          \
            forward cmd_%1(%2); \
            public cmd_%1(%2)

#define CMD:%1(%2) \
            COMMAND:%1(%2)

#define command(%1,%2,%3) \
            COMMAND:%1(%2, %3)

#define cmd(%1,%2,%3) \
            COMMAND:%1(%2, %3)

// Double Slash Command
#define COMMAND2:%1(%2)          \
            forward cmd2_%1(%2); \
            public cmd2_%1(%2)

#define CMD2:%1(%2) \
            COMMAND2:%1(%2)

#define command2(%1,%2,%3) \
            COMMAND2:%1(%2, %3)

#define cmd2(%1,%2,%3) \
            COMMAND2:%1(%2, %3)

#if !defined isnull
    #define isnull(%1) \
                ((!(%1[0])) || (((%1[0]) == '\1') && (!(%1[1]))))
#endif


forward OnPlayerCommandReceived(playerid, cmdtext[]);
forward OnPlayerCommandPerformed(playerid, cmdtext[], success);


static
    bool:zcmd_g_HasOPCS = false,
    bool:zcmd_g_HasOPCE = false;

#if defined FILTERSCRIPT

public OnFilterScriptInit()
{
    zcmd_g_HasOPCS = funcidx("OnPlayerCommandReceived") != -1;
    zcmd_g_HasOPCE = funcidx("OnPlayerCommandPerformed") != -1;
    return CallLocalFunction("zcmd_OnFilterScriptInit", "");
}

#if defined _ALS_OnFilterScriptInit
    #undef OnFilterScriptInit
#else
    #define _ALS_OnFilterScriptInit
#endif
#define OnFilterScriptInit zcmd_OnFilterScriptInit
forward zcmd_OnFilterScriptInit();

#else /*not a filterscript*/

public OnGameModeInit()
{
    zcmd_g_HasOPCS = funcidx("OnPlayerCommandReceived") != -1;
    zcmd_g_HasOPCE = funcidx("OnPlayerCommandPerformed") != -1;
    if (funcidx("zcmd_OnGameModeInit") != -1)
    {
        return CallLocalFunction("zcmd_OnGameModeInit", "");
    }
    return 1;
}

#if defined _ALS_OnGameModeInit
    #undef OnGameModeInit
#else
    #define _ALS_OnGameModeInit
#endif
#define OnGameModeInit zcmd_OnGameModeInit
forward zcmd_OnGameModeInit();

#endif /*if defined FILTERSCRIPT*/

public OnPlayerCommandText(playerid, cmdtext[])
{
    if (zcmd_g_HasOPCS && !CallLocalFunction("OnPlayerCommandReceived", "is", playerid, cmdtext))
    {
        return 1;
    }
    new
        pos,
        funcname[MAX_FUNC_NAME];
    while (cmdtext[++pos] > ' ')
    {
        funcname[pos-1] = tolower(cmdtext[pos]);
    }
    new ds = cmdtext[1] == '/';
    format(funcname, sizeof(funcname), "cmd%s_%s", ds ? ("2") : (""), funcname[ds]);
    while (cmdtext[pos] == ' ') pos++;
    if (!cmdtext[pos])
    {
        if (zcmd_g_HasOPCE)
        {
            return CallLocalFunction("OnPlayerCommandPerformed", "isi", playerid, cmdtext, CallLocalFunction(funcname, "is", playerid, "\1"));
        }
        return CallLocalFunction(funcname, "is", playerid, "\1");
    }
    if (zcmd_g_HasOPCE)
    {
        return CallLocalFunction("OnPlayerCommandPerformed", "isi", playerid, cmdtext, CallLocalFunction(funcname, "is", playerid, cmdtext[pos]));
    }
    return CallLocalFunction(funcname, "is", playerid, cmdtext[pos]);
}

#if defined _ALS_OnPlayerCommandText
    #undef OnPlayerCommandText
#else
    #define _ALS_OnPlayerCommandText
#endif
#define OnPlayerCommandText zcmd_OnPlayerCommandText
forward zcmd_OnPlayerCommandText(playerid, cmdtext[]);