CWE-ou-minkata/Sources/Tools/MaxPlasmaMtls/Layers/plStaticEnvLayer.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
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(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==*/
///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  plStaticEnvLayer - Static EnvironmentMap MAX Layer                       //
//  Cyan, Inc.                                                               //
//                                                                           //
//// Version History //////////////////////////////////////////////////////////
//                                                                           //
//  8.17.2001 mcn - Created.                                                 //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#ifndef _plStaticEnvLayer_h
#define _plStaticEnvLayer_h

#include "Max.h"
#include "plPlasmaMAXLayer.h"
#include "../resource.h"

class ClassDesc2;
class IParamBlock2;
class Bitmap;

ClassDesc2* GetStaticEnvLayerDesc();

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


//// Class Definition /////////////////////////////////////////////////////////

class plStaticEnvLayer : public plPlasmaMAXLayer
{
protected:
    // Parameter block
    IParamBlock2    *fBitmapPB;
    UVGen           *fUVGen;

    IMtlParams      *fIMtlParams;

    TexHandle *fTexHandle;
    TimeValue fTexTime;

    Bitmap          *fBitmaps[ 6 ];
    Interval        fIValid;
    TCHAR           fBaseFileName[ MAX_PATH ];
   
    friend class SELBitmapDlgProc;


    Matrix3     IGetViewTM( int i );
    int         IWriteBM( BitmapInfo *bi, Bitmap *bm, TCHAR *name );

public:
    // Ref nums
    enum
    {
        kRefUVGen,
        kRefBitmap,
    };

    // Block ID's
    enum
    {
        kBlkBitmap,
    };

    // Faces
    enum
    {
        kFrontFace,
        kBackFace,
        kLeftFace,
        kRightFace,
        kTopFace,
        kBottomFace
    };

    plStaticEnvLayer();
    ~plStaticEnvLayer();
    void DeleteThis() { delete this; }      

    //From MtlBase
    ParamDlg* CreateParamDlg(HWND hwMtlEdit, IMtlParams *imp);
    BOOL SetDlgThing(ParamDlg* dlg);
    void Update(TimeValue t, Interval& valid);
    void Reset();
    Interval Validity(TimeValue t);
    ULONG LocalRequirements(int subMtlNum);

    //From Texmap
    RGBA EvalColor(ShadeContext& sc);
    float EvalMono(ShadeContext& sc);
    Point3 EvalNormalPerturb(ShadeContext& sc);

    // For displaying textures in the viewport
    BOOL SupportTexDisplay() { return TRUE; }
    void ActivateTexDisplay(BOOL onoff);
    BITMAPINFO *GetVPDisplayDIB(TimeValue t, TexHandleMaker& thmaker, Interval &valid, BOOL mono=FALSE, int forceW=0, int forceH=0);
    DWORD GetActiveTexHandle(TimeValue t, TexHandleMaker& thmaker);
protected:
    void IChanged();
    void IDiscardTexHandle();

public:
    void GetUVTransform(Matrix3 &uvtrans) { fUVGen->GetUVTransform(uvtrans); }
    int GetTextureTiling() { return  fUVGen->GetTextureTiling(); }
    int GetUVWSource() { return fUVGen->GetUVWSource(); }
    virtual int GetMapChannel () { return fUVGen->GetMapChannel(); }    // only relevant if above returns UVWSRC_EXPLICIT
    UVGen *GetTheUVGen() { return fUVGen; }
    
    //TODO: Return anim index to reference index
    int SubNumToRefNum(int subNum) { return subNum; }
    
    
    // Loading/Saving
    IOResult Load(ILoad *iload);
    IOResult Save(ISave *isave);

    //From Animatable
    Class_ID ClassID() { return STATIC_ENV_LAYER_CLASS_ID; }        
    SClass_ID SuperClassID() { return TEXMAP_CLASS_ID; }
    void GetClassName(TSTR& s) { s = GetString(IDS_STATIC_ENVMAP_LAYER); }

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

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

    // TODO: Maintain the number or references here 
    int NumRefs();
    RefTargetHandle GetReference(int i);
    void SetReference(int i, RefTargetHandle rtarg);

    int NumParamBlocks();   // return number of ParamBlocks in this instance
    IParamBlock2* GetParamBlock(int i); // return i'th ParamBlock
    IParamBlock2* GetParamBlockByID(BlockID id); // return id'd ParamBlock

    const char *GetTextureName( int which );

    void        SetBaseFilename( const TCHAR *name, TimeValue t );
    const TCHAR *GetBaseFilename( TimeValue t );

    void    RenderCubicMap( INode *node );


    /// ParamBlock accessors
    enum
    {
        kScalingAny,
        kScalingHalf,
        kScalingNone
    };

    // Param ID's
    enum
    {
        kBmpFrontBitmap,
        kBmpBackBitmap,
        kBmpLeftBitmap,
        kBmpRightBitmap,
        kBmpTopBitmap,
        kBmpBottomBitmap,

        // Misc
        kBmpDiscardColor,
        kBmpInvertColor,
        kBmpDiscardAlpha,
        kBmpInvertAlpha,

        // Texture quality
        kBmpNonCompressed,
        kBmpScaling,

        // Max only
        kBmpMonoOutput,
        kBmpRGBOutput,

        // Detail
        kBmpUseDetail,
        kBmpDetailStartSize,
        kBmpDetailStopSize,
        kBmpDetailStartOpac,
        kBmpDetailStopOpac,

        // Texture generation
        kBmpBaseFilename,
        kBmpTextureSize,
        kBmpGenerateFaces,
        kBmpLastTextureSize,        // Annoying, but necessary to clamp texture sizes to powers of 2
        kBmpUseMAXAtmosphere,
        kBmpFarDistance,

        // Just a hack to simulate refraction instead of reflection
        kBmpRefract
    };

        // Pure virtual accessors for the various bitmap related elements
        virtual Bitmap *GetMaxBitmap(int index = 0) { return fBitmaps[ index ]; }
        virtual PBBitmap *GetPBBitmap( int index = 0 );
        virtual int     GetNumBitmaps( void ) { return 6; }

    protected:
        virtual void ISetMaxBitmap(Bitmap *bitmap, int index = 0) { fBitmaps[ index ] = bitmap; }
        virtual void ISetPBBitmap( PBBitmap *pbbm, int index = 0 );


};

#endif // _plStaticEnvLayer_h