/*
 * 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_PLAYER_HANDS_H
#define GAME_PLAYER_HANDS_H

#include "StdAfx.h"
#include "GameTypes.h"

using namespace hpl;

class cInit;

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

class cHudModelPose
{
public:
	cHudModelPose(){}
	cHudModelPose(const cVector3f& avPos,const cVector3f& avRot)
	{
		mvPos = avPos;
		mvRot = avRot;
	}

	cMatrixf ToMatrix()
	{
		cMatrixf mtxPose = cMath::MatrixRotate(mvRot,eEulerRotationOrder_XYZ);
		mtxPose.SetTranslation(mvPos);
		return mtxPose;
	}

	cVector3f mvPos;
	cVector3f mvRot;
};

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

enum eHudModelState
{
	eHudModelState_Idle,
	eHudModelState_Equip,
	eHudModelState_Unequip
};

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

cHudModelPose GetPoseFromElem(const tString &asName, TiXmlElement *apElem);

cMatrixf InterpolatePosesToMatrix(float afT, const cHudModelPose& aPoseA, const cHudModelPose& aPoseB);

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

class iHudModel
{
friend class cPlayerHands;
public:
	iHudModel(ePlayerHandType aType);

	cMeshEntity *GetEntity(){return mpEntity;}

	void LoadEntities();
	void DestroyEntities();

	void EquipEffect(bool abJustCreated);
	void UnequipEffect();

	void Reset();

	tString msName;
	tString msModelFile;
	
	cHudModelPose mEquipPose;
	cHudModelPose mUnequipPose;

	tString msEquipSound;
	tString msUnequipSound;

	float mfEquipTime;
	float mfUnequipTime;

	eHudModelState GetState(){ return mState;}

	std::vector<cParticleSystem3D*> mvParticleSystems;
	std::vector<cBillboard*> mvBillboards;
	std::vector<iLight3D*> mvLights;
	std::vector<cColor> mvLightColors;
	std::vector<float> mvLightRadii;
	std::vector<cSoundEntity*> mvSoundEntities;

	virtual void LoadData(TiXmlElement *apRootElem)=0;

protected:
	virtual void ResetExtraData()=0;

	virtual bool UpdatePoseMatrix(cMatrixf& aPoseMtx, float afTimeStep){return false;}

	virtual void LoadExtraEntites(){}
	virtual void DestroyExtraEntities(){}

	virtual void PostSceneDraw(){}

	ePlayerHandType mType;

	cInit *mpInit;

	cMesh *mpMesh;
	cMeshEntity *mpEntity;
	
	eHudModelState mState;

	float mfTime;

	tString msNextModel;
};

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

class cHudModel_Normal : iHudModel
{
	friend class cPlayerHands;
public:
	cHudModel_Normal() : iHudModel(ePlayerHandType_Normal){}

	void LoadData(TiXmlElement *apRootElem){}

	void ResetExtraData(){}
};

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

typedef std::map<tString,iHudModel*> tHudModelMap;
typedef tHudModelMap::iterator tHudModelMapIt;

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

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

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

	void OnWorldExit();
	void OnWorldLoad();

	void AddHudModel(iHudModel* apHudModel);
	bool AddModelFromFile(const tString &asFile);

	iHudModel* GetModel(const tString& asName);

	void SetCurrentModel(int alNum, const tString& asName);
	iHudModel* GetCurrentModel(int alNum){ return mvCurrentHudModels[alNum];}

private:
	void UpdatePrevPostions();
		
	cInit *mpInit;
	cMeshManager *mpMeshManager;

	tVector3fList mlstPositions;
	tVector3fList mlstRotations;
	int mlMaxPositions;
	int mlMaxRotations;

	cVector3f mvSmoothCameraPos;
	cVector3f mvSmoothCameraRot;

	tHudModelMap m_mapHudModels;
	iHudModel* mvCurrentHudModels[2];
	int mlCurrentModelNum;
};


#endif // GAME_PLAYER_HANDS_H