#include sdktools

Handle sdkOnStaggered;

public OnPluginStart()
{
    Handle hGameConf = LoadGameConfigFile("l4d_direct");
    if( hGameConf == null )
    SetFailState("342423");

    HookEvent("player_shoved", EventShove);

    StartPrepSDKCall(SDKCall_Player);
    PrepSDKCall_SetFromConf(hGameConf, SDKConf_Signature, "CTerrorPlayer::OnStaggered");
    PrepSDKCall_AddParameter(SDKType_CBaseEntity, SDKPass_Pointer);
    PrepSDKCall_AddParameter(SDKType_Vector, SDKPass_ByRef);
    sdkOnStaggered = EndPrepSDKCall();
}

public Action EventShove(Event event, const char[] name, bool dontBroadcast)
{
    int attacker = GetClientOfUserId(event.GetInt("attacker"));
    int victim = GetClientOfUserId(event.GetInt("userid"));

    new Float:attacker_origin[3];
    GetEntPropVector(attacker, Prop_Data, "m_vecOrigin", attacker_origin);
    SDKCall(sdkOnStaggered, victim, attacker, attacker_origin);
}