HTCMD

/*

               HT-CMD
        Powered by BJIADOKC
            2012
 Remove this copyright, if you want to be a superman!

*/

#if defined htcmd_core
    #endinput
#endif

#define htcmd_core

#if !defined _samp_included
    #error Include a_samp.inc before HT-CMD!
#endif

#define MAX_COMMAND_LEN 32
#define MAX_PARAMS_LEN 128

stock InitCMD(playerid, cmdtext[])
{
    DeletePVar(playerid, "cmd");
    DeletePVar(playerid, "cmd_len");

    DeletePVar(playerid, "cmd_params");
    DeletePVar(playerid, "cmd_params_len");

    if(cmdtext[0] != '/' || !cmdtext[1])
    {
        printf("HTCMD Warning: NULL/Invalid command sent from PlayerID %d", playerid);
        return 0;
    }

    new space = strfind(cmdtext, " ", true, 1), len = strlen(cmdtext), cmd[MAX_COMMAND_LEN], params[MAX_PARAMS_LEN];

    if(len > (MAX_COMMAND_LEN + MAX_PARAMS_LEN))
    {
        printf("HTCMD Warning: Buffer overflowed (%d len) command sent from PlayerID %s", len, playerid);
        return 0;
    }

    /*#if defined sscanf
        sscanf(cmdtext, "p< >s[32]s[128]", cmd, params);
        goto PROCESS;
    #undef*/

    /*#if defined sparam && !defined sscanf
        sparam(cmd, MAX_COMMAND_LEN, cmdtext, ' ', 0);
        sparam(params, MAX_PARAMS_LEN, cmdtext, ' ', 1, 1);
        goto PROCESS;
    #endif*/

    strmid(cmd, cmdtext, 1, (space == -1) ? ((--len < 32) ? len : 0)  : ((space > 31) ? 0 : space));
    strmid(params, cmdtext, ++space, len);

    /*PROCESS:*/

    if(cmd[0] < 20)
    {
        printf("HTCMD Warning: Unacceptable command sent from PlayerID %d", playerid);
        return 0;
    }

    SetPVarInt(playerid, "cmd", htdigest(cmd));
    SetPVarInt(playerid, "cmd_len", strlen(cmd));

    if((len = strlen(params)) && params[0] != '\1')
    {
        SetPVarString(playerid, "cmd_params", params);
        SetPVarInt(playerid, "cmd_params_len", len);
    }

    return 1;
}

stock htdigest(dest[])
{
    new buffer = 1, temp;

    for(new i; dest[i]; i++)
    {
        buffer += dest[i];
        buffer %= 65521;

        temp += buffer;
        temp %= 65521;
    }
    return ((temp << 16) + buffer);
}