CWE-ou-minkata/Sources/Tools/MaxConvert/plBitmapCreator.cpp

/*==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/>.

Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
(or a modified version of those libraries),
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
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 or by snail mail at:
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*==LICENSE==*/
#include "HeadSpin.h"
#include "max.h"
#include <commdlg.h>
#include "bmmlib.h"

#include "plGImage/plMipmap.h"
#include "hsExceptionStack.h"
#include "plGImage/hsCodecManager.h"

#include "plBitmapCreator.h"

#include "MaxMain/plPluginResManager.h"
#include "MaxExport/plErrorMsg.h"
#include "MaxPlasmaMtls/Layers/plStaticEnvLayer.h"

#include "plGImage/plMipmap.h"
#include "plGImage/plDynamicTextMap.h"
#include "plGImage/plCubicEnvironmap.h"
#include "pnKeyedObject/plKey.h"
#include "pnKeyedObject/plUoid.h"
#include "plResMgr/plRegistryHelpers.h"
#include "plResMgr/plLocalization.h"
#include "plAgeDescription/plAgeDescription.h"

//// plCommonBitmapLib ///////////////////////////////////////////////////////
//  Derived class for our textures, since they all go in a common page
//  (namely, "Textures")

#include "MaxMain/plCommonObjLib.h"

class plCommonBitmapLib : public plCommonObjLib
{
    public:
        virtual bool    IsInteresting( const plKey &objectKey )
        {
            if( objectKey->GetUoid().GetClassType() == plCubicEnvironmap::Index() ||
                objectKey->GetUoid().GetClassType() == plMipmap::Index() )
            {
                return true;
            }
            return false;
        }
};

static plCommonBitmapLib        sCommonBitmapLib;


plBitmapCreator::plBitmapCreator()
{
    fErrorMsg = nil;
}
plBitmapCreator::~plBitmapCreator()
{
}

plBitmapCreator &plBitmapCreator::Instance()
{
    static plBitmapCreator  fInstance;
    return fInstance;
}

void    plBitmapCreator::Init( bool save, plErrorMsg *msg )
{
    fErrorMsg = msg;
}

void    plBitmapCreator::DeInit( void )
{
    CleanUpMaps();
}

void    plBitmapCreator::CleanUpMaps( void )
{
    sCommonBitmapLib.ClearObjectList();
}

void    plBitmapCreator::DeleteExportedBitmap( const plKey &constKey )
{
    plKey key = constKey;
    sCommonBitmapLib.RemoveObjectAndKey( key );
}

//
// Create Bitmap
//
plMipmap *plBitmapCreator::ICreateBitmap(plBitmapData *bd)
{
    hsGuardBegin("hsConverterUtils::CreateBitmap");

    // Load the bitmap
    BitmapInfo bi;
    bi.SetName(bd->fileName);

#if 0 // This isn't really an issue since the textures are packed -Colin
    const int kMaxFileNameLength = 30;
    if (strlen(bi.Filename()) > kMaxFileNameLength)
    {
        // Allow to continue, But make it painful
        char errStr[256];
        sprintf(errStr, "File name longer than %d, won't burn to CD (%s)", kMaxFileNameLength, bi.Filename());//bitmapTex->GetName());
        MessageBox(GetActiveWindow(), errStr, bd->fileName, MB_OK|MB_ICONEXCLAMATION);  
    }
#endif

    bool notMipped = (bd->texFlags & plMipmap::kForceOneMipLevel) != 0;
    float sigma = bd->sig;
    
    // Load the bitmap
    Bitmap *bm = TheManager->Load(&bi);
    if (!bm)
    {
        // FIXME
        /*
        if (fErrorMsg->Set(!(fWarned & kWarnedNoMoreBitmapLoadErr), 
            "Error loading bitmap", pathName).CheckAskOrCancel())
        {
            fWarned |= kWarnedNoMoreBitmapLoadErr;
        }
        */
        return nil;
    }
    BitmapStorage *storage = bm->Storage();
    BitmapInfo *bInfo = &storage->bi;

    ICheckOutBitmap(bInfo, bm, bd->fileName);

    //
    // Create a plMipmap 
    //
    plMipmap *hBitmap = new plMipmap;
    if( (bm->Width() ^ (bm->Width() & -bm->Width()))
        ||(bm->Height() ^ (bm->Height() & -bm->Height())) )
    {
        IResampBitmap(bm, *hBitmap);
    }
    else if( ((bm->Width() >> 3) > bm->Height())||((bm->Height() >> 3) > bm->Width()) )
    {
        IResampBitmap(bm, *hBitmap);
    }
    else
    {
        ICopyBitmap(bm, *hBitmap);
    }
    bm->DeleteThis();

    if( bd->invertAlpha )
        IInvertAlpha(*hBitmap);

    // Do it
    plMipmap *hMipmap = nil;
    if (sigma > 0.f)
    {
        hMipmap = new plMipmap(hBitmap, sigma, bd->createFlags, bd->detailDropoffStart, 
                                bd->detailDropoffStop, bd->detailMax, bd->detailMin);
    }
    else
    {
        hMipmap = new plMipmap(hBitmap, -1.f, bd->createFlags, bd->detailDropoffStart, 
                                bd->detailDropoffStop, bd->detailMax, bd->detailMin);
    }
    delete hBitmap;

    /// Clamp the border if we're using clamping
    if( bd->clampFlags != 0 )
    {
        hMipmap->EnsureKonstantBorder( ( bd->clampFlags & plBitmapData::kClampU ) ? true : false,
                                       ( bd->clampFlags & plBitmapData::kClampV ) ? true : false );
    }

    /// Cut this down to whatever size we were told to :)
    if( bd->maxDimension != 0 )
        hMipmap->ClipToMaxSize( bd->maxDimension );

    if( notMipped )
    {
        // Done AFTER ClipToMaxSize() so we still get the export size specified 
        hMipmap->RemoveMipping();
    }

    hBitmap = hMipmap;
        
    uint32_t  flagsToSet = 0;

    if( bd->texFlags & plMipmap::kNoMaxSize )
        flagsToSet |= plMipmap::kNoMaxSize;
    if( bd->texFlags & plMipmap::kHalfSize )
        flagsToSet |= plMipmap::kHalfSize;
    if( bd->texFlags & plMipmap::kDontThrowAwayImage )
        flagsToSet |= plMipmap::kDontThrowAwayImage;

    hBitmap->SetFlags( hBitmap->GetFlags() | flagsToSet );
    if (bd->useJPEG)
        hBitmap->fCompressionType = plMipmap::kJPEGCompression;

    // FIXME
    if (/*fSave &&*/ !(bd->texFlags & plMipmap::kForceNonCompressed) && !bd->useJPEG)
    {
        // Are we on?  Check Plasma Util panel
//      SwitchUtil *pu = (SwitchUtil *)CreateInstance(UTILITY_CLASS_ID, PlasmaUtilClassID);
//      if (!pu || pu->TextureCompressionEnabled()) 
        {
            plMipmap *compressed = hsCodecManager::Instance().CreateCompressedMipmap(plMipmap::kDirectXCompression, hBitmap);
//              hsDXTSoftwareCodec::Instance().CreateCompressedBitmap(hBitmap);
//              hsDXTDirectXCodec::Instance().CreateCompressedBitmap(hBitmap);

            if (compressed)
            {
                delete hBitmap;
                hBitmap = compressed;
                hBitmap->SetFlags( hBitmap->GetFlags() | flagsToSet );
            }
        }
    }

    return hBitmap;
    hsGuardEnd; 
}




//
// Verify that bitmap is the correct type/size
//
void plBitmapCreator::ICheckOutBitmap(BitmapInfo* bInfo, Bitmap* bm, const char *fileName)
{
    hsGuardBegin("hsConverterUtils::ICheckOutBitmap");

    // Check out bitmap
    if (bm->Flags() & MAP_FLIPPED)
        MessageBox(GetActiveWindow(), "Bitmap is flipped horizontally", fileName, MB_OK);   
    if (bm->Flags() & MAP_INVERTED)
        MessageBox(GetActiveWindow(), "Bitmap is inverted vertically", fileName, MB_OK);    

    if (bInfo->Flags() & MAP_FLIPPED)
        MessageBox(GetActiveWindow(), "BI:Bitmap is flipped horizontally", fileName, MB_OK);    
    if (bInfo->Flags() & MAP_INVERTED)
        MessageBox(GetActiveWindow(), "BI:Bitmap is inverted vertically", fileName, MB_OK); 

    hsGuardEnd;
}

int plBitmapCreator::IResampBitmap(Bitmap *bm, plMipmap &hBitmap)
{
    hsGuardBegin("hsConverterUtils::IResampBitmap");

    BitmapStorage *storage = bm->Storage();
    BitmapInfo *bInfo = &storage->bi;

    int dbgW = bm->Width(), dbgH = bm->Height();
    int it;
    for( it = 1; it <= bm->Width(); it <<= 1 );
    it >>= 1;
    hBitmap.fWidth = it;
    for( it = 1; it <= bm->Height(); it <<= 1 );
    it >>= 1;
    hBitmap.fHeight = it;
    if( (hBitmap.fHeight >> 3) > hBitmap.fWidth )
        hBitmap.fHeight = hBitmap.fWidth << 3;
    else
    if( (hBitmap.fWidth >> 3) > hBitmap.fHeight )
        hBitmap.fWidth = hBitmap.fHeight << 3;

    hBitmap.fPixelSize  = 32;
    hBitmap.fRowBytes   = hBitmap.fWidth * hBitmap.fPixelSize >> 3;
    hBitmap.fNumLevels = 1;

    hBitmap.fImage      = HSMemory::New(hBitmap.fRowBytes * hBitmap.fHeight);

#ifdef COLOR_BLACK_WHITE
    hBitmap.fFlags |= plMipmap::kColorWhite | plMipmap::kColorBlack;
#endif // COLOR_BLACK_WHITE
    hBitmap.fFlags &= ~( plMipmap::kAlphaBitFlag | plMipmap::kAlphaChannelFlag );

    int y,x;
    float scaleY, scaleX;
    hsRGBAColor32  *dstColor;
    dstColor = (hsRGBAColor32*)hBitmap.fImage;

    scaleX = ((float)bm->Width())/(float)hBitmap.fWidth;
    scaleY = ((float)bm->Height())/(float)hBitmap.fHeight;
    for (y = 0; y < hBitmap.fHeight; y++)
    {
        for (x = 0; x < hBitmap.fWidth; x++)
        {
            BMM_Color_64 c64_00, c64_01, c64_10, c64_11;
            int ix, iy;
            float fracX, fracY;
            float t;
            t = x * scaleX;
            ix = (int)t;
            fracX = t-ix;
            t = y * scaleY;
            iy = (int)t;
            fracY = t-iy;

            int ret = storage->GetPixels(ix,iy,1,&c64_00);
// FIXME
//          fErrorMsg->Set(ret == 0, "ResampBitmap", "Failure getting pixels %dX%d", x, y).Check();
            ret = storage->GetPixels(ix+1,iy,1,&c64_10);
            ret = storage->GetPixels(ix,iy+1,1,&c64_01);
            ret = storage->GetPixels(ix+1,iy+1,1,&c64_11);

            dstColor->r = (unsigned char)(255.0 / 65535.0
                * ( c64_00.r * (1.f - fracX) * (1.f - fracY)
                  + c64_10.r * (      fracX) * (1.f - fracY)
                  + c64_01.r * (1.f - fracX) * (      fracY)
                  + c64_11.r * (      fracX) * (      fracY) ));
            dstColor->g = (unsigned char)(255.0 / 65535.0
                * ( c64_00.g * (1.f - fracX) * (1.f - fracY)
                  + c64_10.g * (      fracX) * (1.f - fracY)
                  + c64_01.g * (1.f - fracX) * (      fracY)
                  + c64_11.g * (      fracX) * (      fracY) ));
            dstColor->b =  (unsigned char)(255.0 / 65535.0
                * ( c64_00.b * (1.f - fracX) * (1.f - fracY)
                  + c64_10.b * (      fracX) * (1.f - fracY)
                  + c64_01.b * (1.f - fracX) * (      fracY)
                  + c64_11.b * (      fracX) * (      fracY) ));
            dstColor->a =  (unsigned char)(255.0 / 65535.0
                * ( c64_00.a * (1.f - fracX) * (1.f - fracY)
                  + c64_10.a * (      fracX) * (1.f - fracY)
                  + c64_01.a * (1.f - fracX) * (      fracY)
                  + c64_11.a * (      fracX) * (      fracY) ));


#ifdef COLOR_BLACK_WHITE
            if( dstColor->r | dstColor->g | dstColor->b )
                hBitmap.fFlags &= ~plMipmap::kColorBlack;
            if( ~(dstColor->r & dstColor->g & dstColor->b) )
                hBitmap.fFlags &= ~plMipmap::kColorWhite;
#endif // COLOR_BLACK_WHITE

            if( dstColor->a < 255 )
            {
                hBitmap.fFlags |= plMipmap::kAlphaBitFlag;
                if( dstColor->a > 0 )
                    hBitmap.fFlags |= plMipmap::kAlphaChannelFlag;
            }
            dstColor++;
        }
    }
    if( hBitmap.fFlags & plMipmap::kAlphaChannelFlag )
        hBitmap.fFlags &= ~plMipmap::kAlphaBitFlag;

    return 0;
    hsGuardEnd; 
}

int plBitmapCreator::ICopyBitmap(Bitmap *bm, plMipmap &hBitmap)
{
    hsGuardBegin("hsConverterUtils::ICopyBitmap");

    BitmapStorage *storage = bm->Storage();
    BitmapInfo *bInfo = &storage->bi;

    hBitmap.fWidth      = bm->Width();
    hBitmap.fHeight     = bm->Height();
    hBitmap.fPixelSize  = 32;
    hBitmap.fRowBytes   = bm->Width()*hBitmap.fPixelSize/8;
    hBitmap.fNumLevels = 1;

    hBitmap.fImage      = HSMemory::New(hBitmap.fRowBytes * hBitmap.fHeight);

#ifdef COLOR_BLACK_WHITE
    hBitmap.fFlags |= plMipmap::kColorWhite | plMipmap::kColorBlack;
#endif // COLOR_BLACK_WHITE
    hBitmap.fFlags &= ~( plMipmap::kAlphaBitFlag | plMipmap::kAlphaChannelFlag );

    int y,x;
    hsRGBAColor32  *dstColor;
    dstColor = (hsRGBAColor32*)hBitmap.fImage;

    for (y = 0; y < hBitmap.fHeight; y++)
    {
        for (x = 0; x < hBitmap.fWidth; x++)
        {
            BMM_Color_64 c64;
            int ret = storage->GetPixels(x,y,1,&c64);
// FIXME
//          fErrorMsg->Set(ret == 0, "CopyBitmap", "Failure getting pixels %dX%d", x, y).Check();

            // Convert from 16 bits to 8 bits
            dstColor->r = (char)(255.0*c64.r/65535.0);
            dstColor->g = (char)(255.0*c64.g/65535.0);
            dstColor->b = (char)(255.0*c64.b/65535.0);
            dstColor->a = (char)(255.0*c64.a/65535.0);

#ifdef COLOR_BLACK_WHITE
            if( dstColor->r | dstColor->g | dstColor->b )
                hBitmap.fFlags &= ~plMipmap::kColorBlack;
            if( ~(dstColor->r & dstColor->g & dstColor->b) )
                hBitmap.fFlags &= ~plMipmap::kColorWhite;
#endif // COLOR_BLACK_WHITE

            if( dstColor->a < 255 )
            {
                hBitmap.fFlags |= plMipmap::kAlphaBitFlag;
                if( dstColor->a > 0 )
                    hBitmap.fFlags |= plMipmap::kAlphaChannelFlag;
            }
            dstColor++;
        }
    }
    if( hBitmap.fFlags & plMipmap::kAlphaChannelFlag )
        hBitmap.fFlags &= ~plMipmap::kAlphaBitFlag;

    return 0;
    hsGuardEnd; 
}

int plBitmapCreator::IInvertAlpha(plMipmap& hBitmap)
{
    hsGuardBegin("hsConverterUtils::ICopyBitmap");

    hsAssert(hBitmap.fPixelSize == 32, "Only RGBA32 implemented");
    if( hBitmap.fPixelSize != 32 )
        return -1;

    hsRGBAColor32* dstColor = (hsRGBAColor32*)hBitmap.fImage;
    int n = hBitmap.GetWidth() * hBitmap.GetHeight();
    int i;
    for( i = 0; i < n; i++ )
    {
        dstColor->a = 255 - dstColor->a;
        dstColor++;
    }

    return 0;
    hsGuardEnd; 
}

plBitmap *plBitmapCreator::CreateTexture(plBitmapData *bd, const plLocation &loc, int clipID)
{
    plBitmap* bm = ICreateTexture(bd, loc, clipID);

    for (int i = 0; i < plLocalization::GetNumLocales(); i++)
    {
        char localName[MAX_PATH];
        if (plLocalization::ExportGetLocalized(bd->fileName, i, localName))
        {
            const char* oldName = bd->fileName;
            bd->fileName = localName;
            ICreateTexture(bd, loc, clipID);
            bd->fileName = oldName;
        }
    }

    return bm;
}

//// ICreateTexture ////////////////////////////////////////////////////////////
//  Plasma texture creator.  Pass it a completed bitmapdata structure and it 
//  returns a registered texture pointer, or nil if something goes wrong.
//
//  9.14.2001 mcn - clipID added to uniquely identify mipmaps that have been 
//  rescaled differently (approximately represents how many powers of 2 it was 
//  scaled down from the original source).
//
//  3.29.2002 mcn - Moved to plBitmapCreator, where it really belongs, and
//  added code to handle tracking/cleaning up all materials that are exported.

plBitmap *plBitmapCreator::ICreateTexture( plBitmapData *bd, const plLocation &loc, int clipID )
{
    hsGuardBegin( "plBitmapCreator::CreateTexture" );

    const plLocation &textureLoc = plPluginResManager::ResMgr()->GetCommonPage( loc, plAgeDescription::kTextures );

    if( !bd )
    {
        fErrorMsg->Set( true, "Bitmap Error", "No bitmap data" ).Show();
        fErrorMsg->Set();
        return nil;
    }

    if( bd->fileName == nil || bd->fileName[ 0 ] == 0 )
    {
        fErrorMsg->Set( true, "Bitmap Error", "Material texture has null bitmap name." ).Show();
        fErrorMsg->Set();   
        return nil;
    }

    // Get and mangle key name
    plString name;
    char temp[ 256 ];
    _splitpath(bd->fileName, NULL, NULL, temp, NULL);

    // Somehow, sometimes, we get the same file in with different cases. So we need to force the
    // case identical all the time, else the patching process for dat files will think they're
    // "different" when they're really not
    strlwr( temp );

    /// Mangle name for detail textures, so we don't end up overwriting settings elsewhere
    if( bd->createFlags & plMipmap::kCreateDetailMask )
    {   
        // Mangle of the form: name@dropStart&dropStop&max&min
        if( clipID != -1 )
            name = plString::Format( "%s*%x#%d@%s&%3.2f&%3.2f&%3.2f&%3.2f", temp, bd->texFlags, clipID,
                    bd->createFlags & plMipmap::kCreateDetailAlpha ? "al" : ( bd->createFlags & plMipmap::kCreateDetailAdd ? "ad" : "mu" ),
                    bd->detailDropoffStart, bd->detailDropoffStop, bd->detailMax, bd->detailMin );
        else
            name = plString::Format( "%s*%x@%s&%3.2f&%3.2f&%3.2f&%3.2f", temp, bd->texFlags,
                    bd->createFlags & plMipmap::kCreateDetailAlpha ? "al" : ( bd->createFlags == plMipmap::kCreateDetailAdd ? "ad" : "mu" ),
                    bd->detailDropoffStart, bd->detailDropoffStop, bd->detailMax, bd->detailMin );
    }
    else if( clipID != -1 )
        name = plString::Format( "%s*%x#%d", temp, bd->texFlags, clipID );
    else
        name = plString::Format( "%s*%x", temp, bd->texFlags );
    if( bd->invertAlpha )
        name += _TEMP_CONVERT_FROM_LITERAL( "_inva" );
    name += _TEMP_CONVERT_FROM_LITERAL( ".hsm" );


    // Has this texture been used before?
    plKey key;

    plBitmap *texture = plBitmap::ConvertNoRef( sCommonBitmapLib.FindObject( name, ( bd->isStaticCubicEnvMap ) ? plCubicEnvironmap::Index() : plMipmap::Index() ) );
    //hsAssert( texture == nil || texture->GetKey()->GetUoid().GetLocation() == textureLoc, "Somehow our texture objectLib has a texture not in the right page? Should be harmless tho..." );

    // Texture reuse optimization
    if( texture )
    {
        WIN32_FILE_ATTRIBUTE_DATA fileAttrib;
        GetFileAttributesEx(bd->fileName, GetFileExInfoStandard, &fileAttrib);
        FILETIME &fileTime = fileAttrib.ftLastWriteTime;

        // If this texture has been modified since the last export, delete the old version but reuse the key
        if (!texture->IsSameModifiedTime(fileTime.dwLowDateTime, fileTime.dwHighDateTime))
        {
            DeleteExportedBitmap( texture->GetKey() );
            texture = nil;
            key = nil;
        }
    }

    if( texture )
    {
        // If it's in the registry, great, use it.
        if( bd->texFlags & plMipmap::kNoMaxSize )
            texture->SetFlags( texture->GetFlags() | plMipmap::kNoMaxSize );

        if( bd->texFlags & plMipmap::kHalfSize )
            texture->SetFlags( texture->GetFlags() | plMipmap::kHalfSize );
    }
    else
    {
        // If it hasn't been used before, make a new texture
        if( bd->isStaticCubicEnvMap )
        {
            plCubicEnvironmap *cubic = new plCubicEnvironmap;
            
            plMipmap    *face;

            /// Build and set the faces
            bd->fileName = bd->faceNames[ plStaticEnvLayer::kTopFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kTopFace );

            bd->fileName = bd->faceNames[ plStaticEnvLayer::kBottomFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kBottomFace );

            bd->fileName = bd->faceNames[ plStaticEnvLayer::kLeftFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kLeftFace );

            bd->fileName = bd->faceNames[ plStaticEnvLayer::kRightFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kRightFace );

            /// NOTE: For whatever reason, MAX decided that the front and back faces should be'
            /// switched, literally. It's as if the cube for the cube map starts at the back face
            /// and then wraps around, instead of starting at the front face. Since we do things
            /// the RIGHT way (or rather, the front way :) on client-side, we need to flip the 
            /// two here. If you convert this to the real MAX UI, make sure the faces are still
            /// flipped!!!!!!!!

            bd->fileName = bd->faceNames[ plStaticEnvLayer::kBackFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kFrontFace );

            bd->fileName = bd->faceNames[ plStaticEnvLayer::kFrontFace ];
            face = ICreateBitmap( bd );
            if( face == nil ) return nil;
            cubic->CopyToFace( face, plCubicEnvironmap::kBackFace );


            key = hsgResMgr::ResMgr()->NewKey( name, cubic, textureLoc );

            texture = (plBitmap *)cubic;
        }
        else
        {
            plMipmap *mipmap = ICreateBitmap(bd);
            if (!mipmap)
                return nil;

            key = hsgResMgr::ResMgr()->NewKey( name, mipmap, textureLoc );

            texture = (plBitmap *)mipmap;
        }

        // Texture reuse optimization
        WIN32_FILE_ATTRIBUTE_DATA fileAttrib;
        GetFileAttributesEx(bd->fileName, GetFileExInfoStandard, &fileAttrib);
        FILETIME &fileTime = fileAttrib.ftLastWriteTime;
        texture->SetModifiedTime(fileTime.dwLowDateTime, fileTime.dwHighDateTime);

        // Add to our list of created textures and ref, since we have a hold of them
        IAddBitmap( texture );
    }

    return texture;

    hsGuardEnd;
}

//// IAddBitmap ///////////////////////////////////////////////////////////////

void    plBitmapCreator::IAddBitmap( plBitmap *bitmap, bool dontRef )
{
    sCommonBitmapLib.AddObject( bitmap );
}

//// CreateBlankMipmap ////////////////////////////////////////////////////////
//  Simple mipmap creator, but importantly, it also adds the mipmap to the list
//  of "converted" maps to clean up at the end of export.

plMipmap    *plBitmapCreator::CreateBlankMipmap( uint32_t width, uint32_t height, unsigned config, uint8_t numLevels, 
                                                 const plString &keyName, const plLocation &keyLocation )
{
    hsGuardBegin( "plBitmapCreator::CreateBlankMipmap" );

    // Get our real location
    const plLocation &textureLoc = plPluginResManager::ResMgr()->GetCommonPage( keyLocation, plAgeDescription::kTextures );

    // Is it already created?
    plKey key = hsgResMgr::ResMgr()->FindKey( plUoid( textureLoc, plMipmap::Index(), keyName ) );
    if( key != nil )
        return plMipmap::ConvertNoRef( key->GetObjectPtr() );

    // Create
    plMipmap    *mip = new plMipmap( width, height, config, numLevels );

    // Assign key
    hsgResMgr::ResMgr()->NewKey( keyName, mip, textureLoc );

    // Add to our list
    IAddBitmap( mip );

    return mip;

    hsGuardEnd;
}