592 lines
11 KiB
C++
592 lines
11 KiB
C++
/*=========================================================================
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sprbank.cpp
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Author: PKG
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Created:
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Project: PRLSR
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Purpose:
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Copyright (c) 2000 Climax Development Ltd
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===========================================================================*/
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/*----------------------------------------------------------------------
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Includes
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-------- */
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#ifndef __GFX_SPRBANK_H__
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#include "gfx\sprbank.h"
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#endif
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#ifndef _FILEIO_HEADER_
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#include "FileIO/FileIO.h"
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#endif
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#ifndef __MEMORY_HEADER__
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#include "Mem\Memory.h"
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#endif
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#ifndef __PRIM_HEADER__
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#include "gfx\prim.h"
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#endif
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#ifndef __MATHTABLE_HEADER__
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#include "utils\mathtab.h"
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#endif
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/* Std Lib
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------- */
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/*----------------------------------------------------------------------
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Tyepdefs && Defines
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------------------- */
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/*----------------------------------------------------------------------
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Structure defintions
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-------------------- */
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/*----------------------------------------------------------------------
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Positional Vars
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--------------- */
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/*----------------------------------------------------------------------
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Function Prototypes
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------------------- */
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/*----------------------------------------------------------------------
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Vars
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---- */
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// Linked list of loaded instances
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static SpriteBankInstance *s_bankList = NULL;
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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SpriteBankInstance::SpriteBankInstance( SpriteBankInstance *_next )
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{
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m_frameHdr=NULL;
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m_file=FileEquate( -1 );
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m_refCount=0;
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m_next=_next;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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SpriteBankInstance::~SpriteBankInstance()
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{
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ASSERT( !m_frameHdr );
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBankInstance::load( FileEquate _file )
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{
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if( m_refCount )
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{
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ASSERT( _file == m_file );
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m_refCount++;
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}
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else
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{
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m_tpageDesc=TPLoadTexWithHeaders(_file,&m_frameHdr);
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m_file=_file;
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m_refCount=1;
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}
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns: true if there are no more references to this bank
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---------------------------------------------------------------------- */
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int SpriteBankInstance::dump()
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{
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int ret=false;
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ASSERT(m_frameHdr);
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m_refCount--;
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if( m_refCount == 0 )
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{
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TPFree(m_tpageDesc);
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MemFree(m_frameHdr);
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m_frameHdr=NULL;
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ret=true;
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}
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return ret;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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SpriteBank::SpriteBank()
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{
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m_SpriteBankInstance = NULL;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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SpriteBank::~SpriteBank()
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{
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ASSERT(!m_SpriteBankInstance);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params: also creates the instance if required
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::load( FileEquate _file )
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{
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ASSERT(!m_SpriteBankInstance);
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if( !s_bankList )
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{
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// first sprite bank load
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s_bankList=new ("SpriteBank::load") SpriteBankInstance( NULL );
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s_bankList->load( _file );
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m_SpriteBankInstance=s_bankList;
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}
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else
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{
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SpriteBankInstance *sbiPtr=s_bankList;
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do
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{
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if( sbiPtr->getFile() == _file )
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{
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// file already loaded - reference it
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sbiPtr->load( _file );
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m_SpriteBankInstance=sbiPtr;
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return;
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}
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sbiPtr=sbiPtr->getNext();
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}
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while( sbiPtr );
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// file not loaded - create new instance
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sbiPtr=s_bankList;
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s_bankList=new ("SpriteBank::load") SpriteBankInstance( sbiPtr );
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s_bankList->load( _file );
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m_SpriteBankInstance=s_bankList;
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}
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params: also deletes the instance if required
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::dump()
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{
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ASSERT( m_SpriteBankInstance );
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if( m_SpriteBankInstance->dump() )
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{
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// just removed last last reference - delete instance
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if( m_SpriteBankInstance==s_bankList)
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{
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// first entry in bank list
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s_bankList=m_SpriteBankInstance->getNext();
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}
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else
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{
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SpriteBankInstance *sbiPtr=s_bankList;
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while( sbiPtr->getNext() != m_SpriteBankInstance )
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{
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sbiPtr=sbiPtr->getNext();
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};
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sbiPtr->setNext( sbiPtr->getNext()->getNext() );
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}
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delete m_SpriteBankInstance;
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}
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m_SpriteBankInstance=NULL;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::prepareFT4(POLY_FT4 *_ft4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip)
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{
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int W=_fh->W,H=_fh->H;
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setShadeTexPolyFT4(_ft4);
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setShadeTex(_ft4,0);
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setRGB0(_ft4,128,128,128);
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if (_xFlip)
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{
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_x-=_fh->XOfs;
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_x-=W;
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}
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else
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_x+=_fh->XOfs;
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if (_yFlip)
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{
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_y-=_fh->YOfs;
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_y-=H;
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}
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else
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_y+=_fh->YOfs;
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setXYWH(_ft4,_x,_y,W,H);
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setUVTp(_fh,_ft4,_xFlip,_yFlip);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::prepareGT4(POLY_GT4 *_gt4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip)
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{
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int W=_fh->W,H=_fh->H;
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setShadeTexPolyGT4(_gt4);
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setShadeTex(_gt4,0);
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// setRGB0(_gt4,128,128,128);
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if (_xFlip)
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{
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_x-=_fh->XOfs;
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_x-=W;
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}
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else
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_x+=_fh->XOfs;
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if (_yFlip)
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{
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_y-=_fh->YOfs;
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_y-=H;
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}
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else
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_y+=_fh->YOfs;
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setXYWH(_gt4,_x,_y,W,H);
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setUVTp(_fh,_gt4,_xFlip,_yFlip);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose: Pass Z scale as 8 bit fraction, 256 = 1:1, 512 = enlarge X2, etc.
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::prepareFT4Scaled(POLY_FT4 *_ft4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip,long _z)
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{
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int W=_fh->W,H=_fh->H;
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W *= _z;
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H *= _z;
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W>>=8;
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H>>=8;
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// Why not center the thing in here!? (pkg)
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_x-=(((_fh->W*_z)>>8)-_fh->W)/2;
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_y-=(((_fh->H*_z)>>8)-_fh->H)/2;
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setShadeTexPolyFT4(_ft4);
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if (_xFlip)
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{
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_x-=_fh->XOfs;
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_x-=W;
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}
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else
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_z+=_fh->XOfs;
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_y+=_fh->YOfs;
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setXYWH(_ft4,_x,_y,W,H);
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setUVTp(_fh,_ft4,_xFlip,_yFlip);
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose: NB: Still needs to be aspect corrected.. (PKG)
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::prepareFT4RotatedScaled(POLY_FT4 *_ft4,sFrameHdr *_fh,int _xCentre,int _yCentre,int _xScale,int _yScale,int _rot)
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{
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int halfW,halfH;
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int ca,sa;
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int cw,ch,sw,sh;
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int width,height;
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int aspect;
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halfW=(_fh->W*_xScale)>>(12+1);
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halfH=(_fh->H*_yScale)>>(12+1);
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ca=mcos(_rot);
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sa=msin(_rot);
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cw=(ca*halfW)>>12;
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ch=(ca*halfH)>>12;
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sw=(sa*halfW)>>12;
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sh=(sa*halfH)>>12;
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// aspect=(512<<12)/384;//((_fh->H<<12)/_fh->W)/2;
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// ch=(ch*aspect)>>12;
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// sh=(sh*aspect)>>12;
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_ft4->x0=_xCentre-cw+sh; _ft4->y0=_yCentre-sw-ch;
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_ft4->x1=_xCentre+cw+sh; _ft4->y1=_yCentre+sw-ch;
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_ft4->x2=_xCentre-cw-sh; _ft4->y2=_yCentre-sw+ch;
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_ft4->x3=_xCentre+cw-sh; _ft4->y3=_yCentre+sw+ch;
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setShadeTexPolyFT4(_ft4);
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setShadeTex(_ft4,0);
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setRGB0(_ft4,128,128,128);
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// setUVTp(_fh,_ft4,false,false);
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////////////////////////////////
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int U=_fh->U;
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int V=_fh->V;
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int W=_fh->W;
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int H=_fh->H;
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if (!_fh->Rotated)
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{
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_ft4->u0=U;
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_ft4->u1=U+W;
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_ft4->u2=U;
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_ft4->u3=U+W;
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_ft4->v0=V;
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_ft4->v1=V;
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_ft4->v2=V+H-1;
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_ft4->v3=V+H-1;
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}
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else
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{
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_ft4->v0=V+W-1;
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_ft4->v2=V+W-1;
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_ft4->v1=V-1;
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_ft4->v3=V-1;
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_ft4->u0=U;
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_ft4->u1=U;
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_ft4->u2=U+H;
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_ft4->u3=U+H;
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}
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_ft4->tpage=_fh->TPage;
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_ft4->clut=_fh->Clut;
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////////////////////////////////
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}
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void SpriteBank::RotateBox(sBox *B,int W,int H,int _xScale,int _yScale,int _rot)
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{
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int halfW,halfH;
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int ca,sa;
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int cw,ch,sw,sh;
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int width,height;
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int aspect;
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halfW=(W*_xScale)>>(12+1);
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halfH=(H*_yScale)>>(12+1);
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ca=mcos(_rot);
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sa=msin(_rot);
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cw=(ca*halfW)>>12;
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ch=(ca*halfH)>>12;
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sw=(sa*halfW)>>12;
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sh=(sa*halfH)>>12;
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// aspect=(512<<12)/384;//((_fh->H<<12)/_fh->W)/2;
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// ch=(ch*aspect)>>12;
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// sh=(sh*aspect)>>12;
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B->x0=-cw+sh; B->y0=-sw-ch;
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B->x1=+cw+sh; B->y1=+sw-ch;
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B->x2=-cw-sh; B->y2=-sw+ch;
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B->x3=+cw-sh; B->y3=+sw+ch;
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}
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/*----------------------------------------------------------------------
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Function:
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Purpose:
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Params:
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Returns:
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---------------------------------------------------------------------- */
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void SpriteBank::setUVTp(sFrameHdr *_fh,POLY_FT4 *_ft4,int _xFlip,int _yFlip)
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{
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int U=_fh->U;
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int V=_fh->V;
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int W=_fh->W;
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int H=_fh->H;
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if (!_fh->Rotated)
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{
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if (_xFlip)
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{
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_ft4->u0=U+W-1;
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_ft4->u1=U-1;
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_ft4->u2=U+W-1;
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_ft4->u3=U-1;
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}
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else
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{
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_ft4->u0=U;
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_ft4->u1=U+W;
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_ft4->u2=U;
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_ft4->u3=U+W;
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}
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if (_yFlip)
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{
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_ft4->v0=V+H-1;
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_ft4->v1=V+H-1;
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_ft4->v2=V-1;
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_ft4->v3=V-1;
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}
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else
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{
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_ft4->v0=V;
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_ft4->v1=V;
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_ft4->v2=V+H;
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_ft4->v3=V+H;
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}
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}
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else
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{
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if (_xFlip)
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{
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_ft4->v0=V;
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_ft4->v2=V;
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_ft4->v1=V+W;
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_ft4->v3=V+W;
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}
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else
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{
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_ft4->v0=V+W-1;
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_ft4->v2=V+W-1;
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_ft4->v1=V-1;
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_ft4->v3=V-1;
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}
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if (_yFlip)
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{
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_ft4->u0=U+H-1;
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_ft4->u1=U+H-1;
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_ft4->u2=U-1;
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_ft4->u3=U-1;
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}
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else
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{
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_ft4->u0=U;
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_ft4->u1=U;
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_ft4->u2=U+H;
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_ft4->u3=U+H;
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}
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}
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_ft4->tpage=_fh->TPage;
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_ft4->clut=_fh->Clut;
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}
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void SpriteBank::setUVTp(sFrameHdr *_fh,POLY_GT4 *_gt4,int _xFlip,int _yFlip)
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{
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int U=_fh->U;
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int V=_fh->V;
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int W=_fh->W;
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int H=_fh->H;
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if (!_fh->Rotated)
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{
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if (_xFlip)
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{
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_gt4->u0=U+W-1;
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_gt4->u1=U-1;
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_gt4->u2=U+W-1;
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_gt4->u3=U-1;
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}
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else
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{
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_gt4->u0=U;
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_gt4->u1=U+W;
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_gt4->u2=U;
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_gt4->u3=U+W;
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}
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if (_yFlip)
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{
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_gt4->v0=V+H-1;
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_gt4->v1=V+H-1;
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_gt4->v2=V-1;
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_gt4->v3=V-1;
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}
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else
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{
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_gt4->v0=V;
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_gt4->v1=V;
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_gt4->v2=V+H;
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_gt4->v3=V+H;
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}
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}
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else
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{
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if (_xFlip)
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{
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_gt4->v0=V;
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_gt4->v2=V;
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_gt4->v1=V+W;
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_gt4->v3=V+W;
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}
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else
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{
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_gt4->v0=V+W-1;
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_gt4->v2=V+W-1;
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_gt4->v1=V-1;
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_gt4->v3=V-1;
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}
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if (_yFlip)
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{
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_gt4->u0=U+H-1;
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_gt4->u1=U+H-1;
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_gt4->u2=U-1;
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_gt4->u3=U-1;
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}
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else
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{
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_gt4->u0=U;
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_gt4->u1=U;
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_gt4->u2=U+H;
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_gt4->u3=U+H;
|
|
}
|
|
}
|
|
_gt4->tpage=_fh->TPage;
|
|
_gt4->clut=_fh->Clut;
|
|
}
|