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SBSPSS/source/gfx/sprbank.cpp
Daveo 3c36a23739
2001-08-07 22:40:27 +00:00

568 lines
10 KiB
C++
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/*=========================================================================
sprbank.cpp
Author: PKG
Created:
Project: PRLSR
Purpose:
Copyright (c) 2000 Climax Development Ltd
===========================================================================*/
/*----------------------------------------------------------------------
Includes
-------- */
#ifndef __GFX_SPRBANK_H__
#include "gfx\sprbank.h"
#endif
#ifndef _FILEIO_HEADER_
#include "FileIO/FileIO.h"
#endif
#ifndef __MEMORY_HEADER__
#include "Mem\Memory.h"
#endif
#ifndef __PRIM_HEADER__
#include "gfx\prim.h"
#endif
#ifndef __MATHTABLE_HEADER__
#include "utils\mathtab.h"
#endif
/* Std Lib
------- */
/*----------------------------------------------------------------------
Tyepdefs && Defines
------------------- */
/*----------------------------------------------------------------------
Structure defintions
-------------------- */
/*----------------------------------------------------------------------
Positional Vars
--------------- */
/*----------------------------------------------------------------------
Function Prototypes
------------------- */
/*----------------------------------------------------------------------
Vars
---- */
// Linked list of loaded instances
static SpriteBankInstance *s_bankList = NULL;
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
SpriteBankInstance::SpriteBankInstance( SpriteBankInstance *_next )
{
m_frameHdr=NULL;
m_file=FileEquate( -1 );
m_refCount=0;
m_next=_next;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
SpriteBankInstance::~SpriteBankInstance()
{
ASSERT( !m_frameHdr );
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBankInstance::load( FileEquate _file )
{
if( m_refCount )
{
ASSERT( _file == m_file );
m_refCount++;
}
else
{
m_tpageDesc=TPLoadTexWithHeaders(_file,&m_frameHdr);
m_file=_file;
m_refCount=1;
}
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns: true if there are no more references to this bank
---------------------------------------------------------------------- */
int SpriteBankInstance::dump()
{
int ret=false;
ASSERT(m_frameHdr);
m_refCount--;
if( m_refCount == 0 )
{
TPFree(m_tpageDesc);
MemFree(m_frameHdr);
m_frameHdr=NULL;
ret=true;
}
return ret;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
SpriteBank::SpriteBank()
{
m_SpriteBankInstance = NULL;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
SpriteBank::~SpriteBank()
{
ASSERT(!m_SpriteBankInstance);
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params: also creates the instance if required
Returns:
---------------------------------------------------------------------- */
void SpriteBank::load( FileEquate _file )
{
ASSERT(!m_SpriteBankInstance);
if( !s_bankList )
{
// first sprite bank load
s_bankList=new ("SpriteBank::load") SpriteBankInstance( NULL );
s_bankList->load( _file );
m_SpriteBankInstance=s_bankList;
}
else
{
// ASSERT(!"Sprite Bank Already Loaded");
SpriteBankInstance *sbiPtr=s_bankList;
do
{
if( sbiPtr->getFile() == _file )
{
// file already loaded - reference it
sbiPtr->load( _file );
m_SpriteBankInstance=sbiPtr;
return;
}
sbiPtr=sbiPtr->getNext();
}
while( sbiPtr );
// file not loaded - create new instance
sbiPtr=s_bankList;
s_bankList=new ("SpriteBank::load") SpriteBankInstance( sbiPtr );
s_bankList->load( _file );
m_SpriteBankInstance=s_bankList;
}
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params: also deletes the instance if required
Returns:
---------------------------------------------------------------------- */
void SpriteBank::dump()
{
ASSERT( m_SpriteBankInstance );
if( m_SpriteBankInstance->dump() )
{
// just removed last last reference - delete instance
if( m_SpriteBankInstance==s_bankList)
{
// first entry in bank list
s_bankList=m_SpriteBankInstance->getNext();
}
else
{
SpriteBankInstance *sbiPtr=s_bankList;
while( sbiPtr->getNext() != m_SpriteBankInstance )
{
sbiPtr=sbiPtr->getNext();
};
sbiPtr->setNext( sbiPtr->getNext()->getNext() );
}
delete m_SpriteBankInstance;
}
m_SpriteBankInstance=NULL;
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBank::prepareFT4(POLY_FT4 *_ft4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip)
{
int W=_fh->W,H=_fh->H;
setShadeTexPolyFT4(_ft4);
setShadeTex(_ft4,0);
setRGB0(_ft4,128,128,128);
if (_xFlip)
{
_x-=_fh->XOfs;
_x-=W;
}
else
_x+=_fh->XOfs;
if (_yFlip)
{
_y-=_fh->YOfs;
_y-=H;
}
else
_y+=_fh->YOfs;
setXYWH(_ft4,_x,_y,W,H);
setUVTp(_fh,_ft4,_xFlip,_yFlip);
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBank::prepareGT4(POLY_GT4 *_gt4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip)
{
int W=_fh->W,H=_fh->H;
setShadeTexPolyGT4(_gt4);
setShadeTex(_gt4,0);
// setRGB0(_gt4,128,128,128);
if (_xFlip)
{
_x-=_fh->XOfs;
_x-=W;
}
else
_x+=_fh->XOfs;
if (_yFlip)
{
_y-=_fh->YOfs;
_y-=H;
}
else
_y+=_fh->YOfs;
setXYWH(_gt4,_x,_y,W,H);
setUVTp(_fh,_gt4,_xFlip,_yFlip);
}
/*----------------------------------------------------------------------
Function:
Purpose: Pass Z scale as 8 bit fraction, 256 = 1:1, 512 = enlarge X2, etc.
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBank::prepareFT4Scaled(POLY_FT4 *_ft4,sFrameHdr *_fh,int _x,int _y,bool _xFlip,bool _yFlip,long _z)
{
int W=_fh->W,H=_fh->H;
W *= _z;
H *= _z;
W>>=8;
H>>=8;
// Why not center the thing in here!? (pkg)
_x-=(((_fh->W*_z)>>8)-_fh->W)/2;
_y-=(((_fh->H*_z)>>8)-_fh->H)/2;
setShadeTexPolyFT4(_ft4);
if (_xFlip)
{
_x-=_fh->XOfs;
_x-=W;
}
else
_z+=_fh->XOfs;
_y+=_fh->YOfs;
setXYWH(_ft4,_x,_y,W,H);
setUVTp(_fh,_ft4,_xFlip,_yFlip);
}
/*----------------------------------------------------------------------
Function:
Purpose: NB: Still needs to be aspect corrected.. (PKG)
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBank::prepareFT4RotatedScaled(POLY_FT4 *_ft4,sFrameHdr *_fh,int _xCentre,int _yCentre,int _xScale,int _yScale,int _rot)
{
int halfW,halfH;
int ca,sa;
int cw,ch,sw,sh;
int width,height;
halfW=(_fh->W*_xScale)>>(12+1);
halfH=(_fh->H*_yScale)>>(12+1);
ca=mcos(_rot);
sa=msin(_rot);
cw=(ca*halfW)>>12;
ch=(ca*halfH)>>12;
sw=(sa*halfW)>>12;
sh=(sa*halfH)>>12;
_ft4->x0=_xCentre-cw+sh; _ft4->y0=_yCentre-sw-ch;
_ft4->x1=_xCentre+cw+sh; _ft4->y1=_yCentre+sw-ch;
_ft4->x2=_xCentre-cw-sh; _ft4->y2=_yCentre-sw+ch;
_ft4->x3=_xCentre+cw-sh; _ft4->y3=_yCentre+sw+ch;
setShadeTexPolyFT4(_ft4);
setShadeTex(_ft4,0);
setRGB0(_ft4,128,128,128);
// setUVTp(_fh,_ft4,false,false);
////////////////////////////////
int U=_fh->U;
int V=_fh->V;
int W=_fh->W;
int H=_fh->H;
if (!_fh->Rotated)
{
_ft4->u0=U;
_ft4->u1=U+W;
_ft4->u2=U;
_ft4->u3=U+W;
_ft4->v0=V;
_ft4->v1=V;
_ft4->v2=V+H-1;
_ft4->v3=V+H-1;
}
else
{
_ft4->v0=V+W-1;
_ft4->v2=V+W-1;
_ft4->v1=V-1;
_ft4->v3=V-1;
_ft4->u0=U;
_ft4->u1=U;
_ft4->u2=U+H;
_ft4->u3=U+H;
}
// if (_rot>1024 && _rot<3078 && )
{
_ft4->u1--; _ft4->u3--;
_ft4->v2--; _ft4->v3--;
}
_ft4->tpage=_fh->TPage;
_ft4->clut=_fh->Clut;
////////////////////////////////
}
/*----------------------------------------------------------------------
Function:
Purpose:
Params:
Returns:
---------------------------------------------------------------------- */
void SpriteBank::setUVTp(sFrameHdr *_fh,POLY_FT4 *_ft4,int _xFlip,int _yFlip)
{
int U=_fh->U;
int V=_fh->V;
int W=_fh->W;
int H=_fh->H;
if (!_fh->Rotated)
{
if (_xFlip)
{
_ft4->u0=U+W-1;
_ft4->u1=U-1;
_ft4->u2=U+W-1;
_ft4->u3=U-1;
}
else
{
_ft4->u0=U;
_ft4->u1=U+W;
_ft4->u2=U;
_ft4->u3=U+W;
}
if (_yFlip)
{
_ft4->v0=V+H-1;
_ft4->v1=V+H-1;
_ft4->v2=V-1;
_ft4->v3=V-1;
}
else
{
_ft4->v0=V;
_ft4->v1=V;
_ft4->v2=V+H;
_ft4->v3=V+H;
}
}
else
{
if (_xFlip)
{
_ft4->v0=V;
_ft4->v2=V;
_ft4->v1=V+W;
_ft4->v3=V+W;
}
else
{
_ft4->v0=V+W-1;
_ft4->v2=V+W-1;
_ft4->v1=V-1;
_ft4->v3=V-1;
}
if (_yFlip)
{
_ft4->u0=U+H-1;
_ft4->u1=U+H-1;
_ft4->u2=U-1;
_ft4->u3=U-1;
}
else
{
_ft4->u0=U;
_ft4->u1=U;
_ft4->u2=U+H;
_ft4->u3=U+H;
}
}
_ft4->tpage=_fh->TPage;
_ft4->clut=_fh->Clut;
}
void SpriteBank::setUVTp(sFrameHdr *_fh,POLY_GT4 *_gt4,int _xFlip,int _yFlip)
{
int U=_fh->U;
int V=_fh->V;
int W=_fh->W;
int H=_fh->H;
if (!_fh->Rotated)
{
if (_xFlip)
{
_gt4->u0=U+W-1;
_gt4->u1=U-1;
_gt4->u2=U+W-1;
_gt4->u3=U-1;
}
else
{
_gt4->u0=U;
_gt4->u1=U+W;
_gt4->u2=U;
_gt4->u3=U+W;
}
if (_yFlip)
{
_gt4->v0=V+H-1;
_gt4->v1=V+H-1;
_gt4->v2=V-1;
_gt4->v3=V-1;
}
else
{
_gt4->v0=V;
_gt4->v1=V;
_gt4->v2=V+H;
_gt4->v3=V+H;
}
}
else
{
if (_xFlip)
{
_gt4->v0=V;
_gt4->v2=V;
_gt4->v1=V+W;
_gt4->v3=V+W;
}
else
{
_gt4->v0=V+W-1;
_gt4->v2=V+W-1;
_gt4->v1=V-1;
_gt4->v3=V-1;
}
if (_yFlip)
{
_gt4->u0=U+H-1;
_gt4->u1=U+H-1;
_gt4->u2=U-1;
_gt4->u3=U-1;
}
else
{
_gt4->u0=U;
_gt4->u1=U;
_gt4->u2=U+H;
_gt4->u3=U+H;
}
}
_gt4->tpage=_fh->TPage;
_gt4->clut=_fh->Clut;
}
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