X-Git-Url: http://4ch.mooo.com/gitweb/?p=16.git;a=blobdiff_plain;f=16%2Fkeen456%2FKEEN4-6%2FID_SD.H;fp=16%2Fkeen456%2FKEEN4-6%2FID_SD.H;h=a48e442a45065975b58c2784761ca93b6340a68f;hp=0000000000000000000000000000000000000000;hb=7d1948e210bb7b58af0a0412e71f2a0a0a2010af;hpb=ebc247a0a67daa69a027f31d9d7d9572db765e56

diff --git a/16/keen456/KEEN4-6/ID_SD.H b/16/keen456/KEEN4-6/ID_SD.H
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+/* Reconstructed Commander Keen 4-6 Source Code
+ * Copyright (C) 2021 K1n9_Duk3
+ *
+ * This file is primarily based on:
+ * Catacomb 3-D Source Code
+ * Copyright (C) 1993-2014 Flat Rock Software
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+//
+//	ID Engine
+//	ID_SD.h - Sound Manager Header
+//	v1.0d1
+//	By Jason Blochowiak
+//
+
+#ifndef	__TYPES__
+#include "ID_Types.h"
+#endif
+
+#ifndef	__ID_SD__
+#define	__ID_SD__
+
+#ifdef	__DEBUG__
+#define	__DEBUG_SoundMgr__
+#endif
+
+#define	TickBase	70		// 70Hz per tick - used as a base for timer 0
+
+typedef	enum	{
+					sdm_Off,
+					sdm_PC,sdm_AdLib,
+				}	SDMode;
+typedef	enum	{
+					smm_Off,smm_AdLib
+				}	SMMode;
+
+typedef	struct
+		{
+			longword	length;
+			word		priority;
+		} SoundCommon;
+
+//	PC Sound stuff
+#define	pcTimer		0x42
+#define	pcTAccess	0x43
+#define	pcSpeaker	0x61
+
+#define	pcSpkBits	3
+
+typedef	struct
+		{
+			SoundCommon	common;
+			byte		data[1];
+		} PCSound;
+
+// 	Registers for the Sound Blaster card - needs to be offset by n0
+#define	sbReset		0x206
+#define	sbReadData	0x20a
+#define	sbWriteCmd	0x20c
+#define	sbWriteData	0x20c
+#define	sbWriteStat	0x20c
+#define	sbDataAvail	0x20e
+
+typedef	struct
+		{
+			SoundCommon	common;
+			word		hertz;
+			byte		bits,
+						reference,
+						data[1];
+		} SampledSound;
+
+// 	Registers for the AdLib card
+// Operator stuff
+#define	alChar		0x20
+#define	alScale		0x40
+#define	alAttack	0x60
+#define	alSus		0x80
+#define	alWave		0xe0
+// Channel stuff
+#define	alFreqL		0xa0
+#define	alFreqH		0xb0
+#define	alFeedCon	0xc0
+// Global stuff
+#define	alEffects	0xbd
+
+typedef	struct
+		{
+			byte	mChar,cChar,
+					mScale,cScale,
+					mAttack,cAttack,
+					mSus,cSus,
+					mWave,cWave,
+					nConn,
+
+					// These are only for Muse - these bytes are really unused
+					voice,
+					mode,
+					unused[3];
+		} Instrument;
+
+typedef	struct
+		{
+			SoundCommon	common;
+			Instrument	inst;
+			byte		block,
+						data[1];
+		} AdLibSound;
+
+//
+//	Sequencing stuff
+//
+#define	sqMaxTracks	10
+#define	sqMaxMoods	1	// DEBUG
+
+#define	sev_Null		0	// Does nothing
+#define	sev_NoteOff		1	// Turns a note off
+#define	sev_NoteOn		2	// Turns a note on
+#define	sev_NotePitch	3	// Sets the pitch of a currently playing note
+#define	sev_NewInst		4	// Installs a new instrument
+#define	sev_NewPerc		5	// Installs a new percussive instrument
+#define	sev_PercOn		6	// Turns a percussive note on
+#define	sev_PercOff		7	// Turns a percussive note off
+#define	sev_SeqEnd		-1	// Terminates a sequence
+
+// 	Flags for MusicGroup.flags
+#define	sf_Melodic		0
+#define	sf_Percussive	1
+
+#if 1
+typedef	struct
+		{
+			word	length,
+					values[1];
+		} MusicGroup;
+#else
+typedef	struct
+		{
+			word	flags,
+					count,
+					offsets[1];
+		} MusicGroup;
+#endif
+
+typedef	struct
+		{
+			/* This part needs to be set up by the user */
+			word        mood,far *moods[sqMaxMoods];
+
+			/* The rest is set up by the code */
+			Instrument	inst;
+			boolean		percussive;
+			word		far *seq;
+			longword	nextevent;
+		} ActiveTrack;
+
+#define	sqmode_Normal		0
+#define	sqmode_FadeIn		1
+#define	sqmode_FadeOut		2
+
+#define	sqMaxFade		64	// DEBUG
+
+
+// Global variables
+extern	boolean		AdLibPresent,
+					NeedsMusic,	// For Caching Mgr
+					QuietFX;
+extern	SDMode		SoundMode;
+extern	SMMode		MusicMode;
+extern	longword	TimeCount;					// Global time in ticks
+
+// Function prototypes
+extern	void	SD_Startup(void),
+				SD_Shutdown(void),
+				SD_Default(boolean gotit,SDMode sd,SMMode sm),
+				SD_PlaySound(soundnames sound),
+				SD_StopSound(void),
+				SD_WaitSoundDone(void),
+				SD_StartMusic(MusicGroup far *music),
+				SD_MusicOn(void),
+				SD_MusicOff(void),
+				SD_FadeOutMusic(void),
+				SD_SetUserHook(void (*hook)(void));
+extern	boolean	SD_MusicPlaying(void),
+				SD_SetSoundMode(SDMode mode),
+				SD_SetMusicMode(SMMode mode);
+extern	word	SD_SoundPlaying(void);
+
+#ifdef	_MUSE_	// MUSE Goes directly to the lower level routines
+extern	void	SDL_PCPlaySound(PCSound far *sound),
+				SDL_PCStopSound(void),
+				SDL_ALPlaySound(AdLibSound far *sound),
+				SDL_ALStopSound(void);
+#endif
+
+#endif