/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

You can contact Cyan Worlds, Inc. by email legal@cyan.com
 or by snail mail at:
      Cyan Worlds, Inc.
      14617 N Newport Hwy
      Mead, WA   99021

*==LICENSE==*/


// singular
#include "plNPCSpawnMod.h"

// local
#include "plAvatarMgr.h"

// global
#include <hsMatrix44.h>

// other
#include "../pnSceneObject/plSceneObject.h"
#include "../pnSceneObject/plCoordinateInterface.h"
//#include "../pnMessage/plWarpMsg.h"
#include "../pnMessage/plNotifyMsg.h"


// plNPCSpawnMod ctor
plNPCSpawnMod::plNPCSpawnMod()
: fModelName(nil),
  fAccountName(nil),
  fAutoSpawn(false),
  fNotify(nil)
{
}

// plNPCSpawnMod ctor modelName accountName
plNPCSpawnMod::plNPCSpawnMod(const char * modelName, const char * accountName, bool autoSpawn)
: fAutoSpawn(autoSpawn), fNotify(nil)
{
	fModelName = hsStrcpy(modelName);
	fAccountName = hsStrcpy(accountName);
}

// plNPCSpawnMod dtor
plNPCSpawnMod::~plNPCSpawnMod()
{
	if(fModelName)
	{
		delete[] fModelName;
		fModelName = nil;
	}
	if(fAccountName)
	{
		delete[] fAccountName;
		fAccountName = nil;
	}
	if (fNotify)
		fNotify->UnRef();
}

void plNPCSpawnMod::AddTarget(plSceneObject* so)
{
	plSingleModifier::AddTarget(so);

	if(fAutoSpawn)
		Trigger();
}

void plNPCSpawnMod::RemoveTarget(plSceneObject *so)
{
	plSingleModifier::RemoveTarget(so);

	if(fSpawnedKey)
	{
		plAvatarMgr::GetInstance()->UnLoadAvatar(fSpawnedKey, false);
	}
}

// TRIGGER
bool plNPCSpawnMod::Trigger()
{
	bool result = false;

	// you can ONLY spawn if you are local. the spawn message
	// will netpropagate
	if(this->IsLocallyOwned())
	{
		if(fModelName)
		{
			// spawn the NPC
			plKey spawnPoint = GetTarget(0)->GetKey();

			fSpawnedKey = plAvatarMgr::GetInstance()->LoadAvatar(fModelName, fAccountName, false, spawnPoint, nil);

			ISendNotify(fSpawnedKey);
		}
	}

	return result;
}

// SETNOTIFY
void plNPCSpawnMod::SetNotify(plNotifyMsg *notify)
{
	fNotify = notify;
}

// GETNOTIFY
plNotifyMsg * plNPCSpawnMod::GetNotify()
{
	return fNotify;
}

// READ
void plNPCSpawnMod::Read(hsStream *stream, hsResMgr *mgr)
{
	plSingleModifier::Read(stream, mgr);

	fModelName = stream->ReadSafeString();
	fAccountName = stream->ReadSafeString();
	fAutoSpawn = stream->Readbool();
	if(stream->Readbool())
		fNotify = plNotifyMsg::ConvertNoRef(mgr->ReadCreatable(stream));
}

// WRITE
void plNPCSpawnMod::Write(hsStream *stream, hsResMgr *mgr)
{
	plSingleModifier::Write(stream, mgr);
	
	stream->WriteSafeString(fModelName);
	stream->WriteSafeString(fAccountName);
	stream->Writebool(fAutoSpawn);
	if(fNotify)
	{
		stream->Writebool(true);
		mgr->WriteCreatable(stream, fNotify);
	} else {
		stream->Writebool(false);
	}
}

// IEVAL
// attack of the bogons
hsBool plNPCSpawnMod::IEval(double secs, hsScalar del, UInt32 dirty)
{
	return true;
}

// ISENDNOTIFY
void plNPCSpawnMod::ISendNotify(plKey &avatarKey)
{
	if(fNotify)
	{
		proSpawnedEventData * event = TRACKED_NEW proSpawnedEventData;
		event->fSpawner = GetKey();
		event->fSpawnee = avatarKey;
		fNotify->ClearEvents();
		fNotify->AddEvent(event);
		delete event; // fNotify->AddEvent makes a copy
		int i = fNotify->GetEventCount();
		fNotify->Ref();		// so we still hold onto it after it is delivered
		fNotify->Send();
	} else {
		hsStatusMessage("NPC Spawner is spawning but there is no notify message to send.");
	}
}