#include sourcemod
#include sdktools
#include sdkhooks

public OnMapStart()
{
    AddCommandListener(CommandListener);
}

public Action:CommandListener(client, const String:command[], args)
{
    if (StrEqual(command, "impulse", false))
    {
        if(bIsSurvivor(client))
        {
            int slot = GetPlayerWeaponSlot(client, 0);
            if (IsValidEntity(slot))
            {
                SDKCallWeaponDrop(client, slot);
            }
            return Plugin_Handled;
        }
    }
    return Plugin_Continue;
}

stock bool bIsSurvivor(int client)
{
    return client > 0 && client <= MaxClients && IsClientInGame(client) && GetClientTeam(client) == 2 && !IsClientInKickQueue(client) && IsPlayerAlive(client);
}

stock SDKCallWeaponDrop(client, weapon)
{
    decl Float:vecAngles[3], Float:vecTarget[3], Float:vecVelocity[3];
    if (GetPlayerEye(client, vecTarget))
    {
        GetClientEyeAngles(client, vecAngles);
        GetAngleVectors(vecAngles, vecVelocity, NULL_VECTOR, NULL_VECTOR)
        vecVelocity[0] *= 800.0;
        vecVelocity[1] *= 800.0;
        vecVelocity[2] *= 800.0;

        SDKHooks_DropWeapon(client, weapon, NULL_VECTOR, NULL_VECTOR);

        TeleportEntity(weapon, NULL_VECTOR, NULL_VECTOR, vecVelocity)
    }
}

stock bool:GetPlayerEye(client, Float:vecTarget[3])
{
    decl Float:Origin[3], Float:Angles[3];
    GetClientEyePosition(client, Origin);
    GetClientEyeAngles(client, Angles);

    new Handle:trace = TR_TraceRayFilterEx(Origin, Angles, MASK_SHOT, RayType_Infinite, TraceEntityFilterPlayer);
    if (TR_DidHit(trace))
    {
        TR_GetEndPosition(vecTarget, trace);
        CloseHandle(trace);
        return true;
    }
    CloseHandle(trace);
    return false;
}

public bool:TraceEntityFilterPlayer(entity, contentsMask)
{
    return entity > GetMaxClients() || !entity;
}