wtf_ex

#include <a_samp>

#define NULL 0
#define HOLDING(%0) ((newkeys & (%0)) == (%0))
#define PRESSED(%0) (((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))
#define RELEASED(%0) (((newkeys & (%0)) != (%0)) && ((oldkeys & (%0)) == (%0)))

#define SCM(%0) SendClientMessage(playerid, -1, %0)

new TIMER__[128];
new PASFPEX__TIMER__VAR[MAX_PLAYERS];
stock PlayAudioStreamForPlayerEx(playerid, url[], duration = NULL) {
    if(duration == NULL || duration == -1) {
        KillTimer(PASFPEX__TIMER__VAR[playerid]);
        StopAudioStreamForPlayer(playerid);
    } else if(duration != NULL) {
        format(TIMER__, sizeof(TIMER__), url);
        PASFPEX__TIMER__VAR[playerid] = SetTimerEx("PASFPEX__TIMER", duration, true, "ds", playerid, TIMER__);
        PlayAudioStreamForPlayer(playerid, url);
    }
}

forward PASFPEX__TIMER(playerid, url[], duration);
public PASFPEX__TIMER(playerid, url[], duration) {
    StopAudioStreamForPlayer(playerid);
    PlayAudioStreamForPlayer(playerid, TIMER__);
}

public OnPlayerCommandText(playerid, cmdtext[]) {
    if(strcmp(cmdtext, "/sound",true) == 0) {
        PlayAudioStreamForPlayerEx(playerid, "http://www.cms.livjm.ac.uk/library/Alice/Alice/Required/sounds/chicken.mp3", -1);
        return 1;
    }
    return false;
}

public OnPlayerStateChange(playerid, newstate, oldstate) {
    if(GetPlayerState(playerid) == PLAYER_STATE_ONFOOT) {
        StopAudioStreamForPlayer(playerid);
    }
    return true;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys) {
    if(!IsPlayerInAnyVehicle(playerid)) return StopAudioStreamForPlayer(playerid), KillTimer(PASFPEX__TIMER__VAR[playerid]);
    else {
        if(PRESSED(KEY_CROUCH) && HOLDING(KEY_CROUCH)) {
            // PlayAudioStreamForPlayerEx(playerid, "http://alldev.eu/html/mp3/sound_011.wav", 3766);
            // SCM("Test");
            // StopAudio(playerid);
            PlayAudioStreamForPlayerEx(playerid, "http://alldev.eu/html/mp3/sound_012.wav", 286);
            SCM("Test2");
        } else if(RELEASED(KEY_CROUCH)) {
            SCM("Test3");
            StopAudioStreamForPlayer(playerid);
        }
    }
    return true;
}