192 lines
4.5 KiB
C++
192 lines
4.5 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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#include "gfx\font.h"
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#if defined(__USER_art__) || defined(__USER_sbart__) || defined(__USER_daveo__)
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#define _SHOW_POLYZ_ 1
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#endif
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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CLayerTile3d::CLayerTile3d(sLayerHdr *Hdr,sTile *TileBank) : CLayerTile(Hdr,TileBank)
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{
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LayerInfo=(sLayer3d*)MakePtr(Hdr,sizeof(sLayerHdr));
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TriList=(sTri*) MakePtr(Hdr,LayerInfo->TriList);
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QuadList=(sQuad*) MakePtr(Hdr,LayerInfo->QuadList);
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VtxList=(sVtx*) MakePtr(Hdr,LayerInfo->VtxList);
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Map=(sTileMapElem*)MakePtr(Hdr,sizeof(sLayerHdr)+sizeof(sLayer3d));
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Font=0;
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#if defined(_SHOW_POLYZ_)
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Font=new ("PrimFont") FontBank;
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Font->initialise( &standardFont );
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Font->setOt( 0 );
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Font->setTrans(1);
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#endif
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}
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/*****************************************************************************/
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CLayerTile3d::~CLayerTile3d()
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{
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if (Font)
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{
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Font->dump();
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delete Font;
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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)
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{
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CLayerTile::init(MapPos,Shift);
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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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int GHV=256;
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/*****************************************************************************/
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void CLayerTile3d::think(DVECTOR &MapPos)
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{
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int XPos=MapPos.vx>>MapXYShift;
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int YPos=MapPos.vy>>MapXYShift;
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MapXY.vx=XPos>>4;
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MapXY.vy=YPos>>4;
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MapXY.vx-=SCREEN_TILE_ADJ_LEFT;
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MapXY.vy-=SCREEN_TILE_ADJ_UP;
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ShiftX=XPos & 15;
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ShiftY=YPos & 15;
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RenderOfs.vx=RenderOfs.vy=0;
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if (MapXY.vx<0)
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{
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RenderOfs.vx=-MapXY.vx*BLOCK_MULT;
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MapXY.vx=0;
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}
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if (MapXY.vy<0)
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{
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RenderOfs.vy=-MapXY.vy*BLOCK_MULT;
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MapXY.vy=0;
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}
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if (MapXY.vx+SCREEN_TILE_WIDTH3D<=MapWidth)
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RenderW=SCREEN_TILE_WIDTH3D;
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else
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RenderW=MapWidth-MapXY.vx;
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if (MapXY.vy+SCREEN_TILE_HEIGHT3D<=MapHeight)
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RenderH=SCREEN_TILE_HEIGHT3D;
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else
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RenderH=MapHeight-MapXY.vy;
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SetGeomScreen(GHV);
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}
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/*****************************************************************************/
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/*****************************************************************************/
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/*****************************************************************************/
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void CLayerTile3d::render()
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{
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const int XOfs=-(BLOCK_MULT*15)-(SCREEN_TILE_ADJ_LEFT*BLOCK_MULT);
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const int YOfs=-(BLOCK_MULT*7)-(SCREEN_TILE_ADJ_UP*BLOCK_MULT);
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sTileMapElem *MapPtr=GetMapPos();
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u8 *PrimPtr=GetPrimPtr();
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POLY_FT3 *TPrimPtr=(POLY_FT3*)PrimPtr;
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VECTOR BlkPos;
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//sOT *ThisOT=OtPtr+LayerOT;
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sVtx *P0,*P1,*P2;
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u32 T0,T1,T2;
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s32 ClipZ;
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// Setup Trans Matrix
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BlkPos.vx=XOfs-((MapXY.vx*BLOCK_MULT)+ShiftX);
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BlkPos.vy=YOfs-((MapXY.vy*BLOCK_MULT)+ShiftY);
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BlkPos.vx+=RenderOfs.vx;
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BlkPos.vy+=RenderOfs.vy;
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CMX_SetTransMtxXY(&BlkPos);
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for (int Y=0; Y<RenderH; Y++)
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{
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// Get strip render size
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int TriStart=MapPtr[0];
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int TriEnd=MapPtr[RenderW];
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int TriCount=TriEnd-TriStart;
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sTri *TList=&TriList[TriStart];
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while (TriCount>0)
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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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int ZP=P0->vz>>5;
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if (ZP<-4) ZP=-4;
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if (ZP>8) ZP=8;
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sOT *ThisOT=OtPtr+(LayerOT+ZP);
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TList++;
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gte_nclip_b();
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gte_stsxy3_ft3(TPrimPtr);
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gte_stopz(&ClipZ);
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if (ClipZ<=0)
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{
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addPrimNoCheck(ThisOT,TPrimPtr);
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// addPrim(ThisOT,TPrimPtr);
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TPrimPtr++;
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}
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TriCount--;
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}
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MapPtr+=MapWidth;
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}
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int PolyCount=((u8*)TPrimPtr-PrimPtr)/sizeof(POLY_FT3);
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SetPrimPtr((u8*)TPrimPtr);
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#if defined(_SHOW_POLYZ_)
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char Txt[256];
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sprintf(Txt,"Poly Count=%i",PolyCount);
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Font->print( 32, 32, Txt);
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#endif
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}
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