[INC] OnPlayerShootPlayer v1

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
//             OnPlayerShootPlayer
//  Author: Bruno da Silva (thanks Allan Jader and Robson)
//       www.ips-team.blogspot.com
//
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////

new
Float:primeHealth[MAX_PLAYERS],
Float:ultimaDiferenca[MAX_PLAYERS];

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    static animacaoAtual[32];
    GetAnimationName(GetPlayerAnimationIndex(playerid), animacaoAtual, 32, animacaoAtual, 32);

    if(strfind(animacaoAtual, "GUN_STAND", true) != -1 || strfind(animacaoAtual, "COLT45_FIRE", true) != -1) {
        static
            Float:xPos,
            Float:yPos,
            Float:zPos,
            Float:distancia,
            Float:aPos;

        new
            Float:xPlayer,
            Float:yPlayer,
            Float:zPlayer,
            Float:diferenceHealth;

        GetPlayerPos(playerid, xPos, yPos, zPos);
        GetPlayerFacingAngle(playerid, aPos);

        for(new i = 0; i != MAX_PLAYERS; ++i) if(IsPlayerInRangeOfPoint(i, 200.0, xPos, yPos, zPos) &&  i != playerid) {
            GetPlayerPos(i, xPlayer, yPlayer, zPlayer);

            distancia = floatsqroot(floatpower(floatabs(xPos-xPlayer), 2) + floatpower(floatabs(yPos-yPlayer), 2));
            if(distancia <  100.0) {
                xPos += (distancia * floatsin(-aPos, degrees)),
                    yPos += (distancia * floatcos(-aPos, degrees));

                distancia = floatsqroot(floatpower(floatabs(xPos-xPos), 2) + floatpower(floatabs(yPos-yPlayer), 2));

                switch(GetPlayerWeapon(playerid)) {
                    case 34:distancia -= 2.0;
                    case 31:distancia -= 0.5;
                    case 30:distancia -= 0.3;
                    case 33:distancia -= 1.3;
                }

                if(distancia < 1.9) {
                    GetPlayerHealth(i, diferenceHealth);
                    if(diferenceHealth < primeHealth[i] && ultimaDiferenca[i] != primeHealth[i] - diferenceHealth) {
                        ultimaDiferenca[i] = primeHealth[i] - diferenceHealth;
                        CallLocalFunction("OnPlayerShootPlayer", "iifd", playerid, i, ultimaDiferenca[i], GetPlayerWeapon(playerid));
                    }
                    GetPlayerHealth(i, primeHealth[i]);
                }

            }
        }
    }
    return CallLocalFunction("CallOnPlayerKeyStateChange", "");
}


forward OnPlayerShootPlayer(shootid, playerid, Float:health, wep);

public OnPlayerDeath(playerid, killerid, reason)
{
    GetPlayerHealth(playerid, primeHealth[playerid]);
    CallLocalFunction("OnPlayerShootPlayer", "iifd", killerid, playerid, primeHealth[playerid], reason);
    return CallLocalFunction("CallOnPlayerDeath", "");
}


// Hook OnPlayerDeath
#if defined HookOnPlayerDeath
#undef OnPlayerDeath
#else
#define HookOnPlayerDeath
#endif
#define OnPlayerDeath CallOnPlayerDeath

// Hook OnPlayerKeyStateChange
#if defined HookOnPlayerKeyStateChange
#undef OnPlayerKeyStateChange
#else
#define HookOnPlayerKeyStateChange
#endif
#define OnPlayerKeyStateChange CallOnPlayerKeyStateChange

forward OnPlayerKeyStateChange(playerid, newkeys, oldkeys);
forward OnPlayerDeath(playerid, killerid, reason);