182 lines
4.5 KiB
C++
182 lines
4.5 KiB
C++
/* Copyright (c) Microsoft Corporation.
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Licensed under the MIT License. */
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/***************************************************************************
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bkgd.h: Background 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 ---> BACO ---> BKGD
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***************************************************************************/
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#ifndef BKGD_H
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#define BKGD_H
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/****************************************
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Background on file
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****************************************/
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struct BKGDF
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{
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short bo;
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short osk;
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byte bIndexBase;
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byte bPad;
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short swPad;
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};
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const BOM kbomBkgdf = 0x50000000;
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/****************************************
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Specifies a light's kind, position,
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orientation, and brightness
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****************************************/
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struct LITE
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{
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BMAT34 bmat34;
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BRS rIntensity;
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long lt; // light type
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};
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const BOM kbomLite = 0xfffffff0;
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/****************************************
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Specifies a camera for a view
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****************************************/
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typedef union _apos
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{
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struct
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{
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BRS xrPlace; // Initial Actor Placement point
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BRS yrPlace;
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BRS zrPlace;
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};
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BVEC3 bvec3Actor;
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} APOS;
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struct CAM
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{
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short bo;
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short osk;
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BRS zrHither; // Hither (near) plane
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BRS zrYon; // Yon (far) plane
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BRA aFov; // Field of view
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short swPad;
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APOS apos;
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BMAT34 bmat34Cam; // Camera view matrix
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// APOS rgapos[];
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};
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const BOM kbomCamOld = 0x5f4fc000;
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const BOM kbomCam = BomField(kbomSwapShort,
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BomField(kbomSwapShort,
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BomField(kbomSwapLong,
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BomField(kbomSwapLong,
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BomField(kbomSwapShort,
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BomField(kbomLeaveShort,
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BomField(kbomSwapLong,
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BomField(kbomSwapLong,
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BomField(kbomSwapLong, 0)))))))));
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// Note that CAM is too big for a complete kbomCam. To SwapBytes one,
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// SwapBytesBom the cam, then SwapBytesRgLw from bmat34Cam on.
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/****************************************
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Background Default Sound
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****************************************/
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struct BDS
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{
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short bo;
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short osk;
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long vlm;
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bool fLoop;
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TAG tagSnd;
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};
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const BOM kbomBds = 0x5f000000 | kbomTag >> 8;
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/****************************************
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The background class
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****************************************/
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typedef class BKGD *PBKGD;
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#define BKGD_PAR BACO
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#define kclsBKGD 'BKGD'
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class BKGD : public BKGD_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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BACT *_prgbactLight; // array of light br_actors
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BLIT *_prgblitLight; // array of light data
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long _cbactLight; // count of lights
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bool _fLites; // lights are on
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bool _fLeaveLitesOn; // Don't turn out the lights
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long _ccam; // count of cameras in this background
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long _icam; // current camera
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BMAT34 _bmat34Mouse; // camera matrix for mouse model
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BRA _braRotY; // Y rotation of current camera
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CNO _cnoSnd; // background sound
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STN _stn; // name of this background
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PGL _pglclr; // palette for this background
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byte _bIndexBase; // first index for palette
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long _iaposLast; // Last placement point we used
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long _iaposNext; // Next placement point to use
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PGL _pglapos; // actor placement point(s) for current view
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BRS _xrPlace;
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BRS _yrPlace;
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BRS _zrPlace;
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BDS _bds; // background default sound
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BRS _xrCam; // camera position in worldspace
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BRS _yrCam;
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BRS _zrCam;
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protected:
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bool _FInit(PCFL pcfl, CTG ctg, CNO cno);
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long _Ccam(PCFL pcfl, CTG ctg, CNO cno);
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void _SetupLights(PGL pgllite);
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public:
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static bool FAddTagsToTagl(PTAG ptagBkgd, PTAGL ptagl);
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static bool FCacheToHD(PTAG ptagBkgd);
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static bool FReadBkgd(PCRF pcrf, CTG ctg, CNO cno, PBLCK pblck,
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PBACO *ppbaco, long *pcb);
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~BKGD(void);
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void GetName(PSTN pstn);
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void TurnOnLights(PBWLD pbwld);
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void TurnOffLights(void);
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bool FLeaveLitesOn(void) { return _fLeaveLitesOn; }
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void SetFLeaveLitesOn(bool fLeaveLitesOn) { _fLeaveLitesOn = fLeaveLitesOn; }
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long Ccam(void) { return _ccam; } // count of cameras in background
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long Icam(void) { return _icam; } // currently selected camera
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bool FSetCamera(PBWLD pbwld, long icam); // change camera to icam
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void GetMouseMatrix(BMAT34 *pbmat34);
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BRA BraRotYCamera(void) { return _braRotY; }
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void GetActorPlacePoint(BRS *pxr, BRS *pyr, BRS *pzr);
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void ReuseActorPlacePoint(void);
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void GetDefaultSound(PTAG ptagSnd, long *pvlm, bool *pfLoop)
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{
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*ptagSnd = _bds.tagSnd;
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*pvlm = _bds.vlm;
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*pfLoop = _bds.fLoop;
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}
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bool FGetPalette(PGL *ppglclr, long *piclrMin);
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void GetCameraPos(BRS *pxr, BRS *pyr, BRS *pzr);
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#ifdef DEBUG
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// Authoring only. Writes a special file with the given place info.
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bool FWritePlaceFile(BRS xrPlace, BRS yrPlace, BRS zrPlace);
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#endif // DEBUG
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};
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#endif BKGD_H
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