GameItem.h

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of Penumbra Overture.
 *
 * Penumbra Overture 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.
 *
 * Penumbra Overture 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 Penumbra Overture.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef GAME_GAME_ITEM_H
#define GAME_GAME_ITEM_H

#include "StdAfx.h"
#include "GameEntity.h"

using namespace hpl;

//-----------------------------------------

class cGameItem_SaveData : public iGameEntity_SaveData
{
	kSerializableClassInit(cGameItem_SaveData);
public:

	bool mbHasBeenFlashed;
	float mfEnterFlashDist;
	float mfExitFlashDist;
	
	iGameEntity* CreateEntity();
};

//------------------------------------------

class cGameItem_InViewRay : public iPhysicsRayCallback
{
public:
	void SetUp(iPhysicsBody *apSkipBody);
	bool OnIntersect(iPhysicsBody *pBody,cPhysicsRayParams *apParams);

	bool mbIntersected;
	iPhysicsBody *mpSkipBody;
};

//------------------------------------------

class cGameItem :	public iGameEntity
{
#ifdef __GNUC__
	typedef iGameEntity __super;
#endif
friend class cEntityLoader_GameItem;
public:
	cGameItem(cInit *apInit,const tString& asName);
	~cGameItem(void);

	void OnWorldLoad();
	
	void OnPlayerPick();

	void OnPlayerInteract();
	
	void Update(float afTimeStep);

	void OnPostSceneDraw();

	float GetFlashAlpha(){ return mfFlashAlpha;}

    const tString& GetImageFile(){ return msImageFile;}
	eGameItemType GetItemType(){ return mItemType;}

	bool CanBeDropped(){ return mbCanBeDropped;}
	
	bool HasCount(){ return mbHasCount;}
	int GetCount(){ return mlCount;}

	tString GetHudModelFile(){ return msHudModelFile;}
	tString GetHudModelName(){ return msHudModelName;}
	
	//SaveObject implementation
	iGameEntity_SaveData* CreateSaveData();
	void SaveToSaveData(iGameEntity_SaveData *apSaveData);
	void LoadFromSaveData(iGameEntity_SaveData *apSaveData);

private:
	bool IsInView(float afMinDist);

	tString msImageFile;
	eGameItemType mItemType;
	bool mbCanBeDropped;
	bool mbHasCount;
	int mlCount;
	
	float mfCheckFlashCount;
	float mfCheckFlashMax;
	float mfStartFlashCount;
	float mfFlashAlpha;
	float mfFlashAlphaAdd;
	bool mbHasBeenFlashed;
	float mfEnterFlashDist;
	float mfExitFlashDist;

	bool mbSkipRayCheck;

	cGameItem_InViewRay mRayCallback;

	tString msHudModelFile;
	tString msHudModelName;

	tString msPickUpSound;
};

//--------------------------------------

class cEntityLoader_GameItem : public cEntityLoader_Object
{

public:
	cEntityLoader_GameItem(const tString &asName, cInit *apInit);
	~cEntityLoader_GameItem();

	static eGameItemType ToItemType(const char* apString);
private:
	void BeforeLoad(TiXmlElement *apRootElem, const cMatrixf &a_mtxTransform,cWorld3D *apWorld);
	void AfterLoad(TiXmlElement *apRootElem, const cMatrixf &a_mtxTransform,cWorld3D *apWorld);

	cInit *mpInit;
};


#endif // GAME_GAME_ITEM_H