CWE-ou-minkata/Sources/Tools/MaxPlasmaMtls/Materials/plCompositeMtl.h

/*==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 __PLCOMPMTL__H
#define __PLCOMPMTL__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 COMP_MTL_CLASS_ID Class_ID(0x237c422d, 0x64ab6371)

class plCompositeMtlDlg;

class plCompositeMtl : public Mtl
{
protected:
    IParamBlock2    *fPassesPB;
    Interval        fIValid;
    plCompositeMtlDlg *fMtlDlg;

public:
    enum
    {
        kCompPasses,
        kCompOn,
        kCompBlend,
        kCompUVChannels,
        kCompLayerCounts
    };

    // Make sure to pair up each blend mode with an inverse after it
    // (This way we check for an inverse blend by doing an odd/even check.)
    enum BlendMethod // These should match up in order with the blend strings
    {
        kCompBlendVertexAlpha,
        kCompBlendInverseVtxAlpha,
        kCompBlendVertexIllumRed,
        kCompBlendInverseVtxIllumRed,
        kCompBlendVertexIllumGreen,
        kCompBlendInverseVtxIllumGreen,
        kCompBlendVertexIllumBlue,
        kCompBlendInverseVtxIllumBlue,

        kCompNumBlendMethods
    };  

    static const char *BlendStrings[];

    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);
    plCompositeMtl(BOOL loading);

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

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

    int ComputeMaterialIndex(float opac[][2], int vertCount);
    int GetBlendStyle(int index);
    int CanWriteAlpha();
    bool IsInverseBlend(int blend) const { return blend & 1; }
    int RemoveInverse(int blend) { return blend - (blend & 1); }
    //void SetNumSubMtls(int num);
    void SetOpacityVal(float *pt, UVVert *alphas, UVVert *illums, int method);
    //DllExport int UVChannelsNeeded(bool makeAlphaLayer);
};

#endif // __PLCOMPMTL__H