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This commit is contained in:
Daveo 2001-06-28 17:48:30 +00:00
parent cb4922cb43
commit 57211b9df3
17 changed files with 478 additions and 740 deletions
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50
source/level/layertile3d.cpp
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@ -21,23 +21,22 @@ static FontBank *Font;
static const int BLOCK_SIZE =16;
static const int SCREEN_TILE_ADJ_U =2;
static const int SCREEN_TILE_ADJ_D =2;
static const int SCREEN_TILE_ADJ_D =1;
static const int SCREEN_TILE_ADJ_L =2;
static const int SCREEN_TILE_ADJ_R =3;
static const int SCREEN_TILE3D_WIDTH =(INGAME_SCREENW/BLOCK_SIZE)+SCREEN_TILE_ADJ_L+SCREEN_TILE_ADJ_R;
static const int SCREEN_TILE3D_HEIGHT =(INGAME_SCREENH/BLOCK_SIZE)+SCREEN_TILE_ADJ_U+SCREEN_TILE_ADJ_D;
static const int RENDER_X_PIX_OFS =8;
static const int RENDER_Y_PIX_OFS =16;
static const int RENDER_X_OFS =INGAME_SCREENOFS_X-(SCREEN_TILE_ADJ_L*BLOCK_SIZE)+RENDER_X_PIX_OFS;
static const int RENDER_Y_OFS =INGAME_SCREENOFS_Y-(SCREEN_TILE_ADJ_U*BLOCK_SIZE)+RENDER_Y_PIX_OFS;
static const int RENDER_X_OFS =INGAME_SCREENOFS_X-(SCREEN_TILE_ADJ_L*BLOCK_SIZE)+INGAME_RENDER_OFS_X;
static const int RENDER_Y_OFS =INGAME_SCREENOFS_Y-(SCREEN_TILE_ADJ_U*BLOCK_SIZE)+INGAME_RENDER_OFS_Y;
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/
CLayerTile3d::CLayerTile3d(sLevelHdr *LevelHdr,sLayerHdr *Hdr) : CLayerTile(LevelHdr,Hdr)
{
TileBank3d=LevelHdr->TileBank3d;
ElemBank3d=LevelHdr->ElemBank3d;
TriList=LevelHdr->TriList;
QuadList=LevelHdr->QuadList;
VtxList=LevelHdr->VtxList;
@ -112,6 +111,29 @@ void CLayerTile3d::think(DVECTOR &MapPos)
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/
#define CMX_SetRotMatrixXY( r0 ) __asm__ ( \
"lw $12, 0( %0 );" \
"lw $13, 4( %0 );" \
"ctc2 $12, $0;" \
"ctc2 $13, $2;" \
: \
: "r"( r0 ) \
: "$12", "$13")
struct sFlipTable
{
s16 Mtx[4];
s32 ClipCode;
};
sFlipTable FlipTable[4]=
{
{{+4096,0,+4096,0},0<<31}, //00 <0
{{-4096,0,+4096,0},1<<31}, //01 >0
{{+4096,0,-4096,0},1<<31}, //10 >0
{{-4096,0,-4096,0},0<<31} //11 <0
};
void CLayerTile3d::render()
{
sTileMapElem *MapPtr=GetMapPos();
@ -134,14 +156,19 @@ VECTOR BlkPos;
for (int X=0; X<RenderW; X++)
{
sTile3d *Tile=&TileBank3d[MapRow->Tile];
int TriCount=Tile->TriCount;
sTri *TList=&TriList[Tile->TriStart];
u16 Tile=MapRow->Tile;
u16 TileIdx=Tile>>2;
u16 Flip=Tile&3;
sFlipTable *FTab=&FlipTable[Flip];
sElem3d *Elem=&ElemBank3d[TileIdx];
int TriCount=Elem->TriCount;
sTri *TList=&TriList[Elem->TriStart];
P0=&VtxList[TList->P0]; P1=&VtxList[TList->P1]; P2=&VtxList[TList->P2];
while (TriCount--) // Blank tiles rejected here (as no tri-count)
{
CMX_SetTransMtxXY(&BlkPos);
CMX_SetRotMatrixXY(&FTab->Mtx);
gte_ldv3(P0,P1,P2);
setlen(TPrimPtr, GPU_PolyFT3Tag);
TPrimPtr->code=TList->PolyCode;
@ -157,11 +184,12 @@ VECTOR BlkPos;
ThisOT=OtPtr+TList->OTOfs;
TList++;
P0=&VtxList[TList->P0]; P1=&VtxList[TList->P1]; P2=&VtxList[TList->P2];
P0=&VtxList[TList->P0]; P1=&VtxList[TList->P1]; P2=&VtxList[TList->P2]; // Pre-fetch next Tri
gte_nclip_b();
gte_stsxy3_ft3(TPrimPtr);
gte_stopz(&ClipZ);
if (ClipZ<=0)
ClipZ^=FTab->ClipCode;
if (ClipZ<0)
{
addPrim(ThisOT,TPrimPtr);
TPrimPtr++;