/*==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 __PLMAXMTL__H
#define __PLMAXMTL__H

#include "Max.h"
#include "../resource.h"
#include "istdplug.h"
#include "iparamb2.h"
#include "iparamm2.h"

extern TCHAR *GetString(int id);
extern HINSTANCE hInstance;

#define MULTIMTL_CLASS_ID Class_ID(0x3f687a, 0x28c62bd7)

class plMultipassMtlDlg;

class plMultipassMtl : public Mtl
{
protected:
	IParamBlock2	*fPassesPB;
	Interval		fIValid;
	plMultipassMtlDlg *fMtlDlg;

public:
	enum { kRefPasses };
	enum { kBlkPasses };

	ParamDlg *CreateParamDlg(HWND hwMtlEdit, IMtlParams *imp);
	void Update(TimeValue t, Interval& valid);
	Interval Validity(TimeValue t);
	void Reset();

	void NotifyChanged();

	// From MtlBase and Mtl
	void SetAmbient(Color c, TimeValue t);		
	void SetDiffuse(Color c, TimeValue t);		
	void SetSpecular(Color c, TimeValue t);
	void SetShininess(float v, TimeValue t);
	Color GetAmbient(int mtlNum=0, BOOL backFace=FALSE);
	Color GetDiffuse(int mtlNum=0, BOOL backFace=FALSE);
	Color GetSpecular(int mtlNum=0, BOOL backFace=FALSE);
	float GetXParency(int mtlNum=0, BOOL backFace=FALSE);
	float GetShininess(int mtlNum=0, BOOL backFace=FALSE);		
	float GetShinStr(int mtlNum=0, BOOL backFace=FALSE);
	float WireSize(int mtlNum=0, BOOL backFace=FALSE);

	// Shade and displacement calculation
	void Shade(ShadeContext& sc);
	float EvalDisplacement(ShadeContext& sc); 
	Interval DisplacementValidity(TimeValue t); 	

	// SubTexmap access methods
	int NumSubMtls();
	Mtl* GetSubMtl(int i);
	void SetSubMtl(int i, Mtl *m);
	TSTR GetSubMtlSlotName(int i);
	TSTR GetSubMtlTVName(int i);
	
	BOOL SetDlgThing(ParamDlg* dlg);
	plMultipassMtl(BOOL loading);

	// Loading/Saving
	IOResult Load(ILoad *iload);
	IOResult Save(ISave *isave);

	//From Animatable
	Class_ID ClassID() { return MULTIMTL_CLASS_ID; }		
	SClass_ID SuperClassID() { return MATERIAL_CLASS_ID; }
	void GetClassName(TSTR& s) { s = GetString(IDS_MULTI_MTL); }

	RefTargetHandle Clone(RemapDir &remap);
	RefResult NotifyRefChanged(Interval changeInt, RefTargetHandle hTarget, 
		PartID& partID, RefMessage message);

	int NumSubs();
	Animatable* SubAnim(int i); 
	TSTR SubAnimName(int i);

	int NumRefs();
	RefTargetHandle GetReference(int i);
	void SetReference(int i, RefTargetHandle rtarg);

	int	NumParamBlocks();
	IParamBlock2* GetParamBlock(int i);
	IParamBlock2* GetParamBlockByID(BlockID id);

	void DeleteThis() { delete this; }

	void SetParamDlg(ParamDlg *dlg);

	void SetNumSubMtls(int num);
};

#endif // __PLMAXMTL__H