128 lines
4.3 KiB
C++
128 lines
4.3 KiB
C++
/***************************************************************************
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bwld.h: BRender world class
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Primary Author: ******
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Review Status: REVIEWED - any changes to this file must be reviewed!
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BASE ---> BWLD
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***************************************************************************/
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#ifndef BWLD_H
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#define BWLD_H
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// Callback function per BACT when it's rendered, passing the 2D bounds
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typedef void FNBACTREND(PBACT pbact, RC *prc);
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typedef FNBACTREND *PFNBACTREND;
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// Callback function per root BACT when we begin rendering
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typedef void FNBEGINREND(PBACT pbact);
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typedef FNBEGINREND *PFNBEGINREND;
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// Callback function per root BACT to get the rendered rectangle
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typedef void FNGETRECT(PBACT pbact, RC *prc);
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typedef FNGETRECT *PFNGETRECT;
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/****************************************
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The BRender world class
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****************************************/
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typedef class BWLD *PBWLD;
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#define BWLD_PAR BASE
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#define kclsBWLD 'BWLD'
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class BWLD : public BWLD_PAR
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{
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RTCLASS_DEC
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ASSERT
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MARKMEM
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protected:
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static bool _fBRenderInited;// Whether BrBegin() has been called
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RC _rcBuffer; // Bounds of the rendering space
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RC _rcView; // Bounds of view
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BACT _bactWorld; // The world root actor
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BACT _bactCamera; // The camera actor
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BCAM _bcam; // The camera data
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PGPT _pgptBackground; // Background RGB bitmap
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PGPT _pgptWorking; // RGB working buffer to render into
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PGPT _pgptStretch; // Stretched working buffer (if _fhalfY)
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BPMP _bpmpRGB; // BRender wrapper around _pgptWorking
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PZBMP _pzbmpBackground; // Background Z-buffer
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PZBMP _pzbmpWorking; // Working Z-buffer to render into
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BPMP _bpmpZ; // BRender wrapper around _pzbmpWorking
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PREGN _pregnDirtyWorking; // Rgn to copy from bkgd to working buffer
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PREGN _pregnDirtyScreen; // Rgn to copy from working buffer to screen
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bool _fHalfX; // Render at half horizontal resolution
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bool _fHalfY; // Render at half vertical resolution
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bool _fWorldChanged; // Need to rerender?
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PFNBEGINREND _pfnbeginrend; // Callback to each actor before rendering
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PFNBACTREND _pfnbactrend; // Callback when an actor is rendered
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PFNGETRECT _pfngetrect; // Callback to get an actor's bounding rect
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PBACT _pbactClosestClicked; // The closest actor that has been clicked
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BRS _dzpClosestClicked; // Distance of the closest clicked actor
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// Keep reference to last background in case we switch to/from halfmode:
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PCRF _pcrf;
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CTG _ctgRGB;
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CNO _cnoRGB;
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CTG _ctgZ;
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CNO _cnoZ;
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protected:
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BWLD(void) {}
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bool _FInit(long dxp, long dyp, bool fHalfX, bool fHalfY);
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bool _FInitBuffers(long dxp, long dyp, bool fHalfX, bool fHalfY);
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void _CleanWorkingBuffers(void);
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static int BR_CALLBACK _FFilter(BACT *pbact, PBMDL pbmdl, PBMTL pbmtl,
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BVEC3 *pbvec3RayPos, BVEC3 *pbvec3RayDir, BRS dzpNear, BRS dzpFar,
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void *pbwld);
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static void BR_CALLBACK _ActorRendered(PBACT pbact, PBMDL pbmdl,
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PBMTL pbmtl, br_uint_8 bStyle, br_matrix4 *pbmat4ModelToScreen,
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br_int_32 bounds[4]);
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public:
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// Constructors and destructors
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static PBWLD PbwldNew(long dxp, long dyp, bool fHalfX = fFalse,
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bool fhalfY = fFalse);
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~BWLD();
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static void CloseBRender(void);
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// Dirtying the BRender world and bitmap
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void MarkDirty(void) { _fWorldChanged = fTrue; }
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void MarkRenderedRegn(PGOB pgob, long dxp, long dyp);
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// Background stuff
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bool FSetBackground(PCRF pcrf, CTG ctgRGB, CNO cnoRGB, CTG ctgZ,
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CNO cnoZ);
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void SetCamera(BMAT34 *pbmat34, BRS zrHither, BRS zrYon, BRA aFov);
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void GetCamera(BMAT34 *pbmat34, BRS *pzrHither = pvNil,
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BRS *pzrYon = pvNil, BRA *paFov = pvNil);
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// Actor stuff
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void AddActor(BACT *pbact);
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bool FClickedActor(long xp, long yp, BACT **ppbact);
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void IterateActorsInPt(br_pick2d_cbfn *pfnCallback, void *pvArg,
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long xp, long yp);
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void SetBeginRenderCallback(PFNBEGINREND pfnbeginrend)
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{ _pfnbeginrend = pfnbeginrend; }
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void SetActorRenderedCallback(PFNBACTREND pfnbactrend)
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{ _pfnbactrend = pfnbactrend; }
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void SetGetRcCallback(PFNGETRECT pfngetrect)
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{ _pfngetrect = pfngetrect; }
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// Rendering stuff
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bool FSetHalfMode(bool fHalfX, bool fHalfY);
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bool FHalfX(void) { return _fHalfX; }
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bool FHalfY(void) { return _fHalfY; }
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void Render(void);
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void Prerender(void);
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void Unprerender(void);
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void Draw(PGNV pgnv, RC *prcClip, long dxp, long dyp);
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#ifdef DEBUG
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bool FWriteBmp(PFNI pfni);
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#endif // DEBUG
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};
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#endif BWLD_H
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