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This commit is contained in:
Daveo 2001-08-13 21:28:35 +00:00
parent ff9329d718
commit 389110e981
5 changed files with 64 additions and 65 deletions
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37
source/level/layertile.cpp
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@ -18,6 +18,8 @@ static const int TILE2D_WIDTH=16;
static const int TILE2D_HEIGHT=12;
static const int SCREEN_TILE2D_WIDTH=((512/TILE2D_WIDTH)+1);
static const int SCREEN_TILE2D_HEIGHT=((256/TILE2D_HEIGHT)+1);
static const int PrimCount=SCREEN_TILE2D_WIDTH*SCREEN_TILE2D_HEIGHT;
static const int PrimMemSize=PrimCount*sizeof(TSPRT);
/*****************************************************************************/
/*****************************************************************************/
@ -25,9 +27,6 @@ static const int SCREEN_TILE2D_HEIGHT=((256/TILE2D_HEIGHT)+1);
CLayerTile::CLayerTile(sLevelHdr *LevelHdr,sLayerHdr *Hdr)
{
int Count=SCREEN_TILE2D_WIDTH*SCREEN_TILE2D_HEIGHT;
int MemSize=Count*sizeof(TSPRT);
LayerHdr=Hdr;
MapWidth=LayerHdr->Width;
MapHeight=LayerHdr->Height;
@ -35,23 +34,31 @@ int MemSize=Count*sizeof(TSPRT);
ElemBank2d=LevelHdr->ElemBank2d;
Map=(sTileMapElem*)MakePtr(Hdr,sizeof(sLayerHdr));
PrimBank=(TSPRT*)MemAlloc(MemSize,"Mid Polyz");
PrimBankID=0;
TSPRT *PrimPtr=PrimBank;
for (int i=0; i<Count; i++)
for (int b=0; b<2; b++)
{
setTSprt(PrimPtr);
setTSetShadeTex(PrimPtr,1);
PrimPtr->w=TILE2D_WIDTH;
PrimPtr->h=TILE2D_HEIGHT;
PrimPtr++;
PrimBank[b]=(TSPRT*)MemAlloc(PrimMemSize,"Mid Polyz");
TSPRT *PrimPtr=PrimBank[b];
for (int i=0; i<PrimCount; i++)
{
setTSprt(PrimPtr);
setTSetShadeTex(PrimPtr,1);
PrimPtr->w=TILE2D_WIDTH;
PrimPtr->h=TILE2D_HEIGHT;
PrimPtr++;
}
}
}
/*****************************************************************************/
CLayerTile::~CLayerTile()
{
MemFree(PrimBank);
for (int b=0; b<2; b++)
{
MemFree(PrimBank[b]);
}
}
/*****************************************************************************/
@ -113,7 +120,9 @@ void CLayerTile::render()
sTileMapElem *MapPtr=Map+GetMapOfs();
s16 TileX,TileY;
sOT *ThisOT=OtPtr+LayerOT;
TSPRT *PrimPtr=PrimBank;
TSPRT *PrimPtr=PrimBank[PrimBankID];
PrimBankID^=1;
// Setup shift bits of pos
TileY=-ShiftY;
@ -128,7 +137,6 @@ TSPRT *PrimPtr=PrimBank;
for (int X=0; X<RenderW; X++)
{
int ThisTile=MapRow->Tile;
MapRow++;
if (ThisTile)
{
sElem2d *Tile=&ElemBank2d[ThisTile];
@ -139,6 +147,7 @@ TSPRT *PrimPtr=PrimBank;
addPrim(ThisOT,PrimPtr);
PrimPtr++;
}
MapRow++;
TileX+=TILE2D_WIDTH;
}
MapPtr+=MapWidth;