177 lines
4.3 KiB
C++
177 lines
4.3 KiB
C++
/************************/
|
|
/*** Tile Layer Class ***/
|
|
/************************/
|
|
|
|
#include "system\global.h"
|
|
#include <DStructs.h>
|
|
#include "utils\utils.h"
|
|
#include "system\vid.h"
|
|
#include "gfx\prim.h"
|
|
|
|
#include "LayerTile.h"
|
|
|
|
const u32 XInc=16<<0;
|
|
const u32 YInc=16<<16;
|
|
|
|
/*****************************************************************************/
|
|
// Uses single buffer. Hopefully this will be adequate
|
|
// Changed from strip scroll to whole map update (cos of camera)
|
|
|
|
DVECTOR TileMapOfs={0,4}; // To line layers up :oP
|
|
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
CLayerTile::CLayerTile(sLayerHdr *Hdr,sTile *_TileBank)
|
|
{
|
|
LayerHdr=Hdr;
|
|
MapWidth=LayerHdr->Width;
|
|
MapHeight=LayerHdr->Height;
|
|
|
|
printf("%i %i\n",MapWidth,MapHeight);
|
|
TileBank=_TileBank;
|
|
Map=(sTileMapElem*)MakePtr(Hdr,sizeof(sLayerHdr));
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
CLayerTile::~CLayerTile()
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
void CLayerTile::init(DVECTOR &MapPos,int Shift)
|
|
{
|
|
MapXYShift=Shift;
|
|
MapXY=MapPos;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
void CLayerTile::shutdown()
|
|
{
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
void CLayerTile::think(DVECTOR &MapPos)
|
|
{
|
|
int XPos=MapPos.vx>>MapXYShift;
|
|
int YPos=MapPos.vy>>MapXYShift;
|
|
|
|
MapXY.vx=XPos>>4;
|
|
MapXY.vy=YPos/12;
|
|
#if 0
|
|
if (LayerHdr->SubType==1) // BODGE AND A HALF
|
|
{
|
|
/**/ MapXY.vx+=TileMapOfs.vx;
|
|
/**/ MapXY.vy+=TileMapOfs.vy;
|
|
}
|
|
#endif
|
|
ShiftX=XPos & 15;
|
|
// ShiftY=YPos & 15;
|
|
ShiftY=YPos%12;
|
|
|
|
if (MapXY.vx+SCREEN_TILE_WIDTH<=MapWidth)
|
|
RenderW=SCREEN_TILE_WIDTH;
|
|
else
|
|
RenderW=MapWidth-MapXY.vx;
|
|
|
|
if (MapXY.vy+SCREEN_TILE_HEIGHT<=MapHeight)
|
|
RenderH=SCREEN_TILE_HEIGHT;
|
|
else
|
|
RenderH=MapHeight-MapXY.vy;
|
|
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
/*****************************************************************************/
|
|
#if 1
|
|
void CLayerTile::render()
|
|
{
|
|
sTileMapElem *MapPtr=GetMapPos();
|
|
u8 *PrimPtr=GetPrimPtr();
|
|
s16 TileX,TileY;
|
|
sOT *ThisOT=OtPtr+LayerOT;
|
|
|
|
// Setup shift bits of pos
|
|
TileY=-ShiftY;
|
|
|
|
// Render it!!
|
|
for (int Y=0; Y<RenderH; Y++)
|
|
{
|
|
sTileMapElem *MapRow=MapPtr;
|
|
TileX=-ShiftX;
|
|
|
|
for (int X=0; X<RenderW; X++)
|
|
{
|
|
int ThisTile=*MapRow++;
|
|
if (ThisTile)
|
|
{
|
|
sTile *Tile=&TileBank[ThisTile];
|
|
POLY_FT4 *Ft4=(POLY_FT4*)PrimPtr;
|
|
setPolyFT4(Ft4);
|
|
setShadeTex(Ft4,1);
|
|
setXYWH(Ft4,TileX,TileY,16,12);
|
|
setUVWH(Ft4,Tile->u0,Tile->v0,15,15);
|
|
Ft4->tpage=Tile->TPage;
|
|
Ft4->clut=Tile->Clut;
|
|
addPrimNoCheck(ThisOT,Ft4);
|
|
PrimPtr+=sizeof(POLY_FT4);
|
|
}
|
|
TileX+=TILE_WIDTH;
|
|
}
|
|
MapPtr+=MapWidth;
|
|
TileY+=TILE_HEIGHT;
|
|
}
|
|
SetPrimPtr(PrimPtr);
|
|
|
|
}
|
|
|
|
#else
|
|
void CLayerTile::render()
|
|
{
|
|
sTileMapElem *MapPtr=GetMapPos();
|
|
u8 *PrimPtr=GetPrimPtr();
|
|
s16 TileX,TileY;
|
|
sOT *ThisOT=OtPtr+LayerOT;
|
|
|
|
// Setup shift bits of pos
|
|
TileY=-ShiftY;
|
|
|
|
// Render it!!
|
|
for (int Y=0; Y<RenderH; Y++)
|
|
{
|
|
sTileMapElem *MapRow=MapPtr;
|
|
TileX=-ShiftX;
|
|
|
|
for (int X=0; X<RenderW; X++)
|
|
{
|
|
int ThisTile=*MapRow++;
|
|
if (ThisTile)
|
|
{
|
|
/**/ sTile *Tile=&TileBank[ThisTile];
|
|
TSPRT_16 *SprPtr=(TSPRT_16*)PrimPtr;
|
|
setTSprt16(SprPtr);
|
|
setTSetShadeTex(SprPtr,1);
|
|
/**/ SprPtr->x0=TileX;
|
|
/**/ SprPtr->y0=TileY;
|
|
/**/ setTSprtTPage(SprPtr,Tile->TPage);
|
|
*(u32*)&SprPtr->u0=*(u32*)&Tile->u0; // copy uv AND clut
|
|
addPrimNoCheck(ThisOT,SprPtr);
|
|
PrimPtr+=sizeof(TSPRT_16);
|
|
}
|
|
// MapRow++;
|
|
TileX+=TILE_WIDTH;
|
|
}
|
|
MapPtr+=MapWidth;
|
|
TileY+=TILE_HEIGHT;
|
|
}
|
|
SetPrimPtr(PrimPtr);
|
|
|
|
}
|
|
|
|
|
|
#endif |