246 lines
6.6 KiB
C++
246 lines
6.6 KiB
C++
/***************************/
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/*** 3d Tile Layer Class ***/
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/***************************/
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#include "system\global.h"
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#include <DStructs.h>
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#include "utils\utils.h"
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#include "gfx\prim.h"
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#include "LayerTile.h"
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#include "LayerTile3d.h"
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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CLayerTile3d::CLayerTile3d(sLayerHdr *Hdr,sTile *TileList,sTri *TriList,sQuad *QuadList,sVtx *VtxList) : CLayerTile(Hdr,TileList,TriList,QuadList,VtxList)
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{
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}
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/*****************************************************************************/
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CLayerTile3d::~CLayerTile3d()
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{
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void CLayerTile3d::init(DVECTOR &MapPos,int Shift,int Width,int Height)
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{
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int Size=Width*Height;
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ASSERT(Width>=SCREEN_TILE_WIDTH);
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ASSERT(Height>=SCREEN_TILE_HEIGHT);
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MapXYShift=Shift;
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PrimGridWidth=Width;
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PrimGridHeight=Height;
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PrimGrid=(sPrimGridElem3d*) MemAlloc(Size*sizeof(sPrimGridElem3d),"3d PrimGrid");
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ASSERT(PrimGrid);
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MapX=0;
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MapY=0;
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for (int Y=0; Y<PrimGridHeight; Y++)
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{
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for (int X=0; X<PrimGridWidth; X++)
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{
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sPrimGridElem3d *ThisElem=GetGridPos3d(X,Y);
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// Tile prim
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setTSprt16(&ThisElem->Prim);
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setTSetShadeTex(&ThisElem->Prim,1);
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// Table
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ThisElem->Right=GetGridPos3d(X+1,Y);
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ThisElem->Down=GetGridPos3d(X,Y+1);
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}
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}
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UpdateWholeMap();
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}
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/*****************************************************************************/
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void CLayerTile3d::shutdown()
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{
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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// Get (wrapped) PrimGrid pos
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sPrimGridElem3d *CLayerTile3d::GetGridPos3d(int X,int Y)
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{
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sPrimGridElem3d *ThisGrid=(sPrimGridElem3d*)PrimGrid;
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int Pos;
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/**/ X%=PrimGridWidth;
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/**/ Y%=PrimGridHeight;
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/**/ Pos=(X+(Y*PrimGridWidth));
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/**/ return(ThisGrid+Pos);
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}
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/*****************************************************************************/
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// Get (wrapped) Map pos
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sTileMapElem3d *CLayerTile3d::GetMapPos3d(int X,int Y)
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{
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sTileMapElem3d *ThisMap=(sTileMapElem3d*)Map;
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int Pos;
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/**/ X%=MapWidth;
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/**/ Y%=MapHeight;
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/**/ Pos=(X+(Y*MapWidth));
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/**/ return(ThisMap+Pos);
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void CLayerTile3d::UpdateRow(int X,int Y)
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{
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sPrimGridElem3d *Grid=GetGridPos3d(X,Y);
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sTileMapElem3d *MapPtr=GetMapPos3d(X,Y);
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for (int i=0; i<SCREEN_TILE_WIDTH; i++)
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{
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// Tile prim
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TSPRT_16 *Prim=&Grid->Prim;
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/**/ sTile *Tile=&TileList[MapPtr->Tile];
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/**/ setTSprtTPage(Prim,Tile->TPage);
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*(u32*)&Prim->u0=*(u32*)&Tile->u0; // copy uv AND clut
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/**/ Grid->Tile=MapPtr->Tile;
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/**/ Grid->Flags=MapPtr->Flags;
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// Next Elem
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MapPtr++;
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Grid=(sPrimGridElem3d *)Grid->Right;
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}
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}
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/*****************************************************************************/
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void CLayerTile3d::UpdateColumn(int X,int Y)
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{
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sPrimGridElem3d *Grid=GetGridPos3d(X,Y);
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sTileMapElem3d *MapPtr=GetMapPos3d(X,Y);
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for (int i=0; i<SCREEN_TILE_HEIGHT; i++)
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{
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// Tile prim
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TSPRT_16 *Prim=&Grid->Prim;
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/**/ sTile *Tile=&TileList[MapPtr->Tile];
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/**/ setTSprtTPage(Prim,Tile->TPage);
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*(u32*)&Prim->u0=*(u32*)&Tile->u0; // copy uv AND clut
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/**/ Grid->Tile=MapPtr->Tile;
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/**/ Grid->Flags=MapPtr->Flags;
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// Next Elem
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MapPtr+=MapWidth;
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Grid=(sPrimGridElem3d *)Grid->Down;
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}
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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#define BLOCK_MULT 16
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void CLayerTile3d::render()
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{
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sPrimGridElem3d *Grid=GetGridPos3d(MapX,MapY);
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s16 TileX,TileY;
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VECTOR BlkPos;
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s32 BlkXStore;
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sOT *ThisOT=OtPtr+LayerOT;
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// Setup shift bits of pos
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TileY=-ShiftY;
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BlkPos.vx=((-15*TILE_WIDTH)-ShiftX)*BLOCK_MULT;
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BlkPos.vy=((-8*TILE_HEIGHT)-ShiftY)*BLOCK_MULT;
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BlkXStore=BlkPos.vx;
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// Render it!!
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for (int Y=0; Y<SCREEN_TILE_HEIGHT; Y++)
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{
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sPrimGridElem *GridDown=(sPrimGridElem3d *)Grid->Down;
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TileX=-ShiftX;
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for (int X=0; X<SCREEN_TILE_WIDTH; X++)
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{
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TSPRT_16 *Prim=&Grid->Prim;
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if (Prim->clut)
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{ // Has 2d Data
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/**/ Prim->x0=TileX;
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/**/ Prim->y0=TileY;
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addPrimNoCheck(ThisOT,Prim);
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}
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if (Grid->Flags)
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{ // Has 3d Data
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/**/ CMX_SetTransMtxXY(&BlkPos);
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/**/ RenderBlock(Grid);
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}
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Grid=(sPrimGridElem3d *)Grid->Right;
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TileX+=TILE_WIDTH;
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BlkPos.vx+=TILE_WIDTH*BLOCK_MULT;
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}
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Grid=(sPrimGridElem3d *)GridDown;
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TileY+=TILE_HEIGHT;
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BlkPos.vx=BlkXStore;
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BlkPos.vy+=TILE_HEIGHT*BLOCK_MULT;
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}
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}
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/*****************************************************************************/
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// NOTE: Tiles will be sorted by z order (cos they 'should' be simple objects
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// NOTE: Tiles are split into facing strips, to reduce overdraw :o)
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// NOTE: Matrix already setup for block
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void CLayerTile3d::RenderBlock(sPrimGridElem3d *Elem)
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{
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sTile *Tile=&TileList[Elem->Tile];
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u32 Flags=Elem->Flags;
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sVtx *P0,*P1,*P2;
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POLY_FT3 *TPrimPtr=(POLY_FT3*)GetPrimPtr();
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u16 *TileTable=Tile->TileTable;
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u32 T0,T1,T2;
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sTri *TList=TriList+Tile->TriStart;
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sOT *ThisOT=OtPtr+LayerOT;
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//--- Tris ---------------------------------------------------------------------------
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for (int i=0; i<TILE3D_FLAGS_MAX; i++)
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{
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int TriCount=*TileTable++; // Get Tri Count
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sTri *NextList=TList+TriCount;
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if (Flags & 1)
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{
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while (TriCount--)
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{
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P0=&VtxList[TList->P0]; P1=&VtxList[TList->P1]; P2=&VtxList[TList->P2];
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gte_ldv3(P0,P1,P2);
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/**/ setPolyFT3(TPrimPtr);
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/**/ setShadeTex(TPrimPtr,1);
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/**/ setlen(TPrimPtr, GPU_PolyFT3Tag);
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gte_rtpt_b();
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T0=*(u32*)&TList->uv0; // Get UV0 & TPage
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T1=*(u32*)&TList->uv1; // Get UV1 & Clut
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T2=*(u16*)&TList->uv2; // Get UV2
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*(u32*)&TPrimPtr->u0=T0; // Set UV0
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*(u32*)&TPrimPtr->u1=T1; // Set UV1
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*(u16*)&TPrimPtr->u2=T2; // Set UV2
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TList++;
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addPrimNoCheck(ThisOT,TPrimPtr);
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gte_stsxy3_ft3(TPrimPtr);
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TPrimPtr++;
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}
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}
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TList=NextList;
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Flags>>=1;
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}
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SetPrimPtr((u8*)TPrimPtr);
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}
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