/*
 * 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_EFFECT_HANDLER_H
#define GAME_EFFECT_HANDLER_H

#include "StdAfx.h"

using namespace hpl;

class cInit;


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

class cEffect_Underwater
{
public:
	cEffect_Underwater(cInit *apInit, cGraphicsDrawer *apDrawer);
	~cEffect_Underwater();

	void Update(float afTimeStep);
	void OnDraw();
	void Reset();

	void SetActive(bool abX);
	bool IsActive(){ return mbActive;}

	void SetColor(const cColor &aColor){mColor = aColor;}

private:
	cInit *mpInit;
	cGraphicsDrawer *mpDrawer;

	cGfxObject *mpWhiteGfx;

	bool mbActive;

	cColor mColor;
};


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

class cEffect_ShakeScreen_Shake
{
public:
	float mfMaxSize;
	float mfSize;
	float mfTime;
	float mfFadeInTime;
	float mfMaxFadeInTime;
	float mfFadeOutTime;
	float mfMaxFadeOutTime;
};

class cEffect_ShakeScreen
{
public:
	cEffect_ShakeScreen(cInit *apInit);
	~cEffect_ShakeScreen();

	void Start(float afAmount, float afTime, float afFadeInTime,float afFadeOutTime);

	void Update(float afTimeStep);
	void Reset();

	cVector3f GetScreenAdd(){return mvAdd;}
private:
	cInit *mpInit;

	cVector3f mvAdd;

	iHapticForce *mpForce;
	
	std::list<cEffect_ShakeScreen_Shake> mlstShakes;
};

//-----------------------------------------
class cGameSaveArea;
class cEffect_SaveEffect
{
public:
	cEffect_SaveEffect(cInit *apInit, cGraphicsDrawer *apDrawer);
	~cEffect_SaveEffect();

	void NormalSave(const cVector3f &avPos, cGameSaveArea *apSaveArea);
	void AutoSave();

	void Update(float afTimeStep);
	void OnDraw();
	void Reset();
private:
	void NormalSaveUpdate(float afTimeStep);
	void AutoSaveUpdate(float afTimeStep);

	cInit *mpInit;
	cGraphicsDrawer *mpDrawer;

	cGfxObject *mpFlashGfx;

	cGameSaveArea *mpSaveArea;

	tWString msMessage;

	bool mbActive;
	int mlState;
	bool mbAutoSave;
	
	cVector3f mvPosition;
	
	float mfFlashAlpha;
	cColor mFlashColor;
	
	float mfTime;
	
	float mfStartFov;
	float mfFov;
};

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

class cEffect_DepthOfField
{
public:
	cEffect_DepthOfField(cInit *apInit);
	~cEffect_DepthOfField();

	void SetDisabled(bool abX);
	bool IsDisabled(){ return mbDisabled;}
	
	void SetActive(bool abX, float afFadeTime);
	bool IsActive(){ return mbActive;}

	void SetUp(float afNearPlane, float afFocalPlane, float afFarPlane);

	void SetFocusBody(iPhysicsBody *apBody){mpFocusBody = apBody;}
	void FocusOnBody(iPhysicsBody *apBody);
	
	void Update(float afTimeStep);
	
	void Reset();
private:
	cInit *mpInit;
	cRendererPostEffects *mpPostEffects;

	iPhysicsBody *mpFocusBody;
	
	bool mbActive;
	bool mbDisabled;

	float mfFadeSpeed;
	
	float mfMaxBlur;
};
//-----------------------------------------

class cEffect_Flash
{
public:
	cEffect_Flash(cInit *apInit, cGraphicsDrawer *apDrawer);
	~cEffect_Flash();

	void Start(float afFadeIn, float afWhite, float afFadeOut);

	void Update(float afTimeStep);
	void OnDraw();
	void Reset();
private:
	cInit *mpInit;
	cGraphicsDrawer *mpDrawer;

	cGfxObject *mpWhiteGfx;

	bool mbActive;
	float mfAlpha;
	
	int mlStep;
	
	float mfCount;

	float mfFadeInSpeed;
	float mfWhiteSpeed;
	float mfFadeOutSpeed;
};

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

class cSubTitle
{
public:
	tWString msMessage;
	float mfCount;
	float mfAlpha;
	bool mbActive;
};

typedef std::list<cSubTitle> tSubTitleList;
typedef tSubTitleList::iterator tSubTitleListIt;

class cEffect_SubTitle
{
public:
	cEffect_SubTitle(cInit *apInit, cGraphicsDrawer *apDrawer);
	~cEffect_SubTitle();

	void Add(const tWString& asMessage, float afTime, bool abRemovePrevious);

	void Update(float afTimeStep);
	void OnDraw();
	void Reset();
private:
	cInit *mpInit;
	cGraphicsDrawer *mpDrawer;

	iFontData *mpFont;
	
    tSubTitleList mlstSubTitles;	
};

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

class cEffect_WaveGravity
{
public:
	cEffect_WaveGravity(cInit *apInit);
	~cEffect_WaveGravity();

	void SetActive(bool abX);
	//alDir: 0=Xaxis 1=Zaxis
	void Setup(float afMaxAngle, float afSwingLength, float afGravitySize, int alDir);

	void Update(float afTimeStep);
	void Reset();

private:
	cInit *mpInit;

	bool mbActive;

	float mfMaxAngle;
	float mfSwingLength;
	float mfSize;
	int mlDir;

	float mfTime;
};

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

class cEffectHandler : public iUpdateable
{
public:
	cEffectHandler(cInit *apInit);
	~cEffectHandler();

	void OnStart();
	void Update(float afTimeStep);
	void Reset();
	void OnDraw();

	cEffect_Flash* GetFlash(){ return mpFlash;}
	cEffect_WaveGravity* GetWaveGravity(){ return mpWaveGravity;}
	cEffect_SubTitle* GetSubTitle(){ return mpSubTitle;}
	cEffect_DepthOfField* GetDepthOfField(){ return mpDepthOfField;}
	cEffect_SaveEffect* GetSaveEffect(){ return mpSaveEffect;}
	cEffect_ShakeScreen* GetShakeScreen(){ return mpShakeScreen;}
	cEffect_Underwater* GetUnderwater(){ return mpUnderwater;}

private:
	cInit *mpInit;
	cGraphicsDrawer *mpDrawer;

	cEffect_Flash *mpFlash;
	cEffect_WaveGravity *mpWaveGravity;
	cEffect_SubTitle *mpSubTitle;
	cEffect_DepthOfField *mpDepthOfField;
	cEffect_SaveEffect *mpSaveEffect;
	cEffect_ShakeScreen *mpShakeScreen;
	cEffect_Underwater *mpUnderwater;
};


#endif // GAME_EFFECT_HANDLER_H