// zzdlg_ghostconv
//
// Copyright 2005-2006 by Greyhawk0
//
//  This is an OnConversation event for NPCs who support 2+ way conversations.
// This creates a copy, or ghost, or the original NPC. This ghost will then be
// later changed into various NPCs via dlgChangeSpeakee().

#include "zzdlg_tools_inc"

const float fGhostTalkDelay = 0.5;

void main()
{
    // Run default code first, should handle custom ones too.
    ExecuteScript("NW_C2_DEFAULT4", OBJECT_SELF);

    object oPlayer = GetLastSpeaker();
    object oNPC = OBJECT_SELF;

    if ( GetIsPC(oPlayer) == FALSE || GetIsObjectValid(oNPC) == FALSE ) return;
    if ( GetLocalInt( oNPC, DLG_GHOST ) == TRUE ) return;


    // Get dialog script name from NPC.
    string sScript = GetLocalString( oNPC, DLG_VARIABLE_SCRIPTNAME );
    if ( sScript == "" ) return;

    // Create the ghost copy and hide it.
    object oGhost = CopyObject(oNPC, GetLocation(oNPC), OBJECT_INVALID, GetTag(oNPC)+"ghost");
    ApplyEffectToObject( DURATION_TYPE_PERMANENT, EffectCutsceneGhost(), oGhost);
    ApplyEffectToObject( DURATION_TYPE_PERMANENT, EffectVisualEffect(VFX_DUR_CUTSCENE_INVISIBILITY), oGhost);
    SetPlotFlag(oGhost, TRUE);

    AssignCommand(oGhost, ActionJumpToLocation(GetLocation(oNPC)));

    // Remember the ghost for cleanup.
    SetLocalInt( oGhost, DLG_GHOST, TRUE );

    // New object needs to know the script name and other variables.
    SetLocalString(oGhost, DLG_VARIABLE_SCRIPTNAME, sScript);
    SetLocalInt(oGhost, DLG_VARIABLE_MAKEPRIVATE, GetLocalInt(oNPC, DLG_VARIABLE_MAKEPRIVATE));
    SetLocalInt(oGhost, DLG_VARIABLE_NOHELLO, GetLocalInt(oNPC, DLG_VARIABLE_NOHELLO));
    SetLocalInt(oGhost, DLG_VARIABLE_NOZOOM, GetLocalInt(oNPC, DLG_VARIABLE_NOZOOM));

    // Pass oPlayer into "zdlg_ghoststart"
    SetLocalObject(oGhost, DLG_GHOSTTALKER, oPlayer);
    SetLocalObject(oGhost, DLG_GHOSTPOSSESSOR, OBJECT_SELF);

    SetCommandable(FALSE, oPlayer);

    DelayCommand(fGhostTalkDelay, ExecuteScript("zzdlg_ghostspeak", oGhost));
}