/*==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==*/
#ifndef __HSCONTROLCONVERTER_H
#define __HSCONTROLCONVERTER_H

#include <commdlg.h>
#include <math.h>

//#include "Max.h"
#include "stdmat.h"
#include "bmmlib.h"
#include "istdplug.h"
#include "texutil.h"
#include "../../../Sources/Plasma/PubUtilLib/plInterp/hsKeys.h"
#include "hsTemplates.h"

class plMaxNode;

enum ControllerType
{
	ctrlTypeUnknown,
	ctrlTypeFloat,
	ctrlTypePoint3,
	ctrlTypePosition,
	ctrlTypeRotation,
	ctrlTypeRotationX,
	ctrlTypeRotationY,
	ctrlTypeRotationZ,
	ctrlTypeScale,
	ctrlTypeTransform,
	ctrlTypeEase,
	ctrlTypeMult,
	ctrlTypeVert,	// CS Biped
	ctrlTypeHoriz,	// CS Biped
	ctrlTypeTurn,	// CS Biped
	ctrlTypeRollAngle,
};

class plController;
class plLeafController;
class plCompoundController;
struct hsKeyFrame;
class hsConverterUtils;
class plSceneObject;

class hsControlConverter
{
private:
    hsControlConverter();

public:
    ~hsControlConverter() { };
    static hsControlConverter& Instance();
    
	void Init(plErrorMsg* msg);
	void DeInit();

    // Used to pick correct controller by lights/materials
    hsBool GetControllerByName(Animatable* anim, TSTR &name, Control* &ctl);
	Control *GetControllerByID(IParamBlock2 *pblock, int paramID);

	/////////////////////////////////////////////////////////////////////////
	// 
	// Controller convert functions:
	// 
	// All convert functions must call ISetSegRange(start, end) at the beginning.
	// (ISetSegRange(-1, -1) will give you the entire anim.)
	plLeafController* MakeMatrix44Controller(StdUVGen* uvGen, const char* nodeName);
    plLeafController* MakeMatrix44Controller(Control* prsControl);
    plLeafController* MakeScalarController(Control* control, plMaxNode* node, hsScalar start = -1, hsScalar end = -1);
    plController* MakeColorController(Control* control, plMaxNode* node, hsScalar start = -1, hsScalar end = -1);
    plController* MakePosController(Control* control, plMaxNode* node, hsScalar start = -1, hsScalar end = -1);
    plController* MakeScaleController(Control* control, plMaxNode* node, hsScalar start = -1, hsScalar end = -1);
    plController* MakeRotController(Control* control, plMaxNode* node, hsBool camRot = false, hsScalar start = -1, hsScalar end = -1);
    plCompoundController* MakeTransformController(Control* control, plMaxNode* node, hsScalar start = -1, hsScalar end = -1);

	// This last one was in tempAnim.cpp on its own for some time, apparently created
	// as an initial attempt to get anims working in Max. It's still used, so I don't want
	// to nuke it, but it made sense to move it here.
	plController* ConvertTMAnim(plSceneObject *obj, plMaxNode *node, hsAffineParts *parts, hsScalar start = -1, hsScalar end = -1);
	//
	//
	//////////////////////////////////////////////////////////////////////////

    void	Matrix3ToHsMatrix44(Matrix3* m3, hsMatrix44* hsM);
	Matrix3	StdUVGenToMatrix3(StdUVGen* uvGen);
    bool	StdUVGenToHsMatrix44(hsMatrix44* hsMat, StdUVGen* uvGen, bool preserveOffset=false);
    void	MaxSampleAngles(const char* nodeName, Control* ctl, Tab<TimeValue>& kTimes, hsScalar maxRads);
	void	ScalePositionController(plController* ctl, hsScalar scale);

	void	ReduceKeys(Control *control, hsScalar threshold);
    hsBool	HasKeyTimes(Control* ctl);
	UInt8		GetKeyType(Control* ctl, hsBool rotQuat = false);

    plMaxNode* GetXformParent(plMaxNode* node);
    hsBool ForceWorldSpace(plMaxNode* node);
    hsBool ForceOrigin(plMaxNode* node);
    hsBool ForceLocal(plMaxNode* node);
    hsBool IsAnimated(plMaxNode* node);
	hsBool OwnsMaterialCopy(plMaxNode* node);
	hsBool HasFrameEvents(plMaxNode *node);

    void CompositeKeyTimes(Control* ctl, Tab<TimeValue> &time);

	int GetTicksPerFrame()	    { return fTicksPerFrame; }
	int GetFrameRate()	        { return fFrameRate; }
	int GetTicksPerSec()        { return fTicksPerSec; }
	int GetStartFrame()	        { return fStartFrame; }
	int GetEndFrame()	        { return fEndFrame; }
	int GetNumFrames()	        { return fNumFrames; }
	float GetAnimLength()       { return fAnimLength; }

private:
	void ISetSegRange(hsScalar start, hsScalar end);
	void IConvertSubTransform(Control *control, char *ctlName, plMaxNode *node, plCompoundController *tmc, hsScalar start, hsScalar end);

    plLeafController* ICreateSimpleRotController(plMaxNode* node, Control* control, hsBool camRot = false);
    plLeafController* ICreateSimpleScaleController(plMaxNode* node, Control* control);
    plLeafController* ICreateQuatController(plMaxNode* node, Control* control, bool rotation = true, hsBool camRot = false);
    plLeafController* ICreateScaleValueController(plMaxNode* node, Control* control);
    plLeafController* ICreateScalarController(plMaxNode* node, Control* control);
    plLeafController* ICreateSimplePosController(plMaxNode* node, Control* control);

	void	IEnableEaseCurves(Animatable* control, bool enable);
    void	IGetControlSampleTimes(Control* control, int iLo, int iHi, Tab<TimeValue>& kTimes, float maxRads);
    int		IAddPartsKeys(Control* control, hsTArray <hsG3DSMaxKeyFrame>* kfArray, plMaxNode* node);
	Int32	ICreateHSInterpKey(Control* control, IKey* mKey, TimeValue keyTime, hsKeyFrame* baseKey, plMaxNode* node=nil, hsBool rotQuat = false);
	Int32	IGetRangeCoverKeyIndices(char* nodeName, Control* cont, Int32 &start, Int32 &end);
    ControllerType IGetControlType(TSTR ctrlName);
    bool	IIsKeyTimeInRange(TimeValue time);
    bool	IIsKeyInRange(IKey* key);
    void	IGetUnEasedLocalTM(plMaxNode* node, Control* control, hsMatrix44* out, TimeValue time);
    Matrix3 IFlipY();
    bool	ISkinNode(plMaxNode* node);
	void	ISetForceLocal(bool f) { fForceLocal=f; }

	hsBool	IGetEditableMeshKeyTimes( plMaxNode *node, Tab<TimeValue> &times );
	hsBool	IGetGeomKeyTimes( plMaxNode *node, Tab<TimeValue> &times );
	void	IGetGeomKeyTimesRecur( Animatable *anim, Tab<TimeValue> &times );
	hsBool	IGetSubAnimByName( Animatable *anim, TSTR &name, Animatable *&subAnim );
	void	IExportAnimatedCameraFOV(plMaxNode* node, hsTArray <hsG3DSMaxKeyFrame>* kfArray);
    Interface* fInterface;

	hsConverterUtils& fConverterUtils;
    plErrorMsg * fErrorMsg;

	Int32       fTicksPerFrame;
	Int32       fFrameRate;
	Int32       fTicksPerSec;
	Int32       fStartFrame;
	Int32       fEndFrame;
	Int32       fNumFrames;
	hsScalar    fAnimLength;
	hsBool    fWarned;

    hsBool    fForceLocal;

	TimeValue	fSegStart;
	TimeValue	fSegEnd;
};

#endif