307 lines
9.0 KiB
C++
307 lines
9.0 KiB
C++
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//
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// Copyright 2020 Electronic Arts Inc.
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//
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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// software: you can redistribute it and/or modify it under the terms of
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// the GNU General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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// TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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// in the hope that it will be useful, but with permitted additional restrictions
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// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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// distributed with this program. You should have received a copy of the
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// GNU General Public License along with permitted additional restrictions
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// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
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***************************************************************************
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* *
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* Project Name : WWLIB *
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* *
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* File Name : PLAYCD.H *
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* *
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* Programmer : STEVE WETHERILL *
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* *
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* Start Date : 5/13/94 *
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* *
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* Last Update : June 4, 1994 [SW] *
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* *
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*-------------------------------------------------------------------------*/
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#ifndef PLAYCD_H
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#define PLAYCD_H
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#ifdef NOT_FOR_WIN95
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/* ==================================================================== */
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/* Defines */
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/* ==================================================================== */
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#define CHLEFT 0
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#define CHRIGHT 1
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#define CHBOTH 2
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#define AUDIO_START_MIN 1
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#define AUDIO_START_SEC 44
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typedef struct {
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unsigned short seg ;
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unsigned short sel ;
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} SEGSEL ;
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extern "C" int DPMI_real_alloc ( UINT , SEGSEL * , USHORT * ) ;
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extern "C" int DPMI_real_free ( SEGSEL ) ;
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extern "C" void DPMI_real_intr ( int , union REGS * , struct SREGS * );
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extern "C" void DPMI_real_call ( void * funct , union REGS * , struct SREGS * );
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/* ==================================================================== */
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/* Data structures */
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/* ==================================================================== */
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// Audio Track Info request block
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struct TinfoType {
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UBYTE Length;
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UBYTE SubCd;
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UBYTE Command;
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UWORD Status;
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UBYTE Rsvd[8];
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UBYTE MDescr;
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UWORD TrnsAdOff;
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UWORD TrnsAdSeg;
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UWORD CntTrns;
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UWORD StSect;
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UWORD VolIDOff;
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UWORD VolIDSeg;
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UBYTE TrInfo;
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UBYTE Track;
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ULONG Start;
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UBYTE TrCtrl;
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};
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// Audio Track Status Control Block
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struct StatType {
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UBYTE Length;
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UBYTE SubCd;
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UBYTE Command;
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UWORD Status;
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UBYTE Rsvd[8];
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UBYTE MDescr;
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UWORD TrnsAdOff;
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UWORD TrnsAdSeg;
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UWORD CntTrns;
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UWORD StSect;
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UWORD VolIDOff;
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UWORD VolIDSeg;
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UBYTE StatInfo;
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UWORD Stat;
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ULONG Start;
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ULONG End;
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};
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// Audio Track Volume control block
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struct VolmType {
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UBYTE Length;
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UBYTE SubCd;
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UBYTE Command;
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UWORD Status;
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UBYTE Rsvd[8];
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UBYTE MDescr;
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UWORD TrnsAdOff;
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UWORD TrnsAdSeg;
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UWORD CntTrns;
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UWORD StSect;
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UWORD VolIDOff;
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UWORD VolIDSeg;
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UBYTE TrInfo;
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UBYTE In0;
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UBYTE Vol0;
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UBYTE In1;
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UBYTE Vol1;
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UBYTE In2;
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UBYTE Vol2;
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UBYTE In3;
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UBYTE Vol3;
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};
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// Audio Track Play request block
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struct PlayType {
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UBYTE Length;
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UBYTE SubCd;
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UBYTE Command;
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UWORD Status;
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UBYTE Rsvd[8];
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UBYTE AddrMd;
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ULONG Start;
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ULONG CntSect;
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};
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// Audio Track Stop request block
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struct StopType {
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UBYTE Length;
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UBYTE SubCd;
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UBYTE Command;
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UWORD Status;
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UBYTE Rsvd[8];
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};
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#endif //NOT_FOR_WIN95
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/***************************************************************************
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* GetCDClass -- object which will return logical CD drive *
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* *
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* HISTORY: *
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* 06/04/1994 SW : Created. *
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*=========================================================================*/
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#define MAX_CD_DRIVES 26
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#define NO_CD_DRIVE -1
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class GetCDClass {
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protected:
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int CDDrives[MAX_CD_DRIVES]; //Array containing CD drive letters
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int CDCount; //Number of available CD drives
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int CDIndex;
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public:
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GetCDClass(VOID); // This is the default constructor
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~GetCDClass(VOID); // This is the destructor
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inline int Get_First_CD_Drive(void);
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inline int Get_Next_CD_Drive(void);
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inline int Get_Number_Of_Drives(void) {return (CDCount);};
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};
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/***********************************************************************************************
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* GCDC::Get_Next_CD_Drive -- return the logical drive number of the next CD drive *
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* *
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* *
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* *
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* INPUT: Nothing *
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* *
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* OUTPUT: Logical drive number of a cd drive or -1 if none *
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* *
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* WARNINGS: None *
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* *
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* HISTORY: *
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* 5/21/96 3:50PM ST : Created *
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*=============================================================================================*/
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inline int GetCDClass::Get_Next_CD_Drive(void)
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{
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if (CDCount){
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if (CDIndex == CDCount) CDIndex = 0;
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return (CDDrives[CDIndex++]);
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}else{
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return (-1);
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}
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}
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/***************************************************************************
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* GCDC::Get_First_CD_Drive -- return the number of the first CD drive *
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* *
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* *
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* *
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* INPUT: *
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* none *
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* OUTPUT: *
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* logical drive number *
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* WARNINGS: *
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* *
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* HISTORY: *
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* 05/26/1994 SW : Created. *
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* 12/4/95 ST : fixed for Win95 *
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*=========================================================================*/
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inline int GetCDClass::Get_First_CD_Drive(void)
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{
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CDIndex = 0;
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return (Get_Next_CD_Drive());
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}
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/***************************************************************************
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* RedBookClass -- adds red book functionality *
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* *
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* this class inherits from GetCDClass and adds red book play functionality*
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* *
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* *
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* HISTORY: *
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* 06/04/1994 SW : Created. *
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*=========================================================================*/
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#ifdef NOT_FOR_WIN95
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class RedBookClass : public GetCDClass {
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private:
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SEGSEL Tinfo_addrp;
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SEGSEL Stat_addrp;
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SEGSEL Stop_addrp;
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SEGSEL Volm_addrp;
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SEGSEL Play_addrp;
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StopType Stop;
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PlayType Play;
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VolmType Volm;
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StatType Stat;
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TinfoType Tinfo;
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public:
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RedBookClass(VOID); // This is the default constructor
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~RedBookClass(VOID); // This is the destructor
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ULONG RedToHS(ULONG i);
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ULONG MSFtoRed(UBYTE m, UBYTE s, UBYTE f);
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VOID FullCDVolume(UBYTE chan);
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VOID PlayTrack(UWORD track);
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VOID Play_CD_MSL(UWORD min_sec, UWORD len);
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VOID PlayMSF(UBYTE startM, UBYTE startS, UBYTE startF,
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UBYTE endM, UBYTE endS, UBYTE endF, UBYTE chan);
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UWORD CheckCDMusic(VOID);
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VOID StopCDMusic(VOID);
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};
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#endif //NOT_FOR_WIN95
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/***************************** End of Playcd.h ****************************/
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#endif // PLAYCD_H
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