mirror of
https://github.com/DrBeef/Raze.git
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136 lines
3.4 KiB
C
136 lines
3.4 KiB
C
//-------------------------------------------------------------------------
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/*
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Copyright (C) 2016 EDuke32 developers and contributors
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This file is part of EDuke32.
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EDuke32 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#include <stdio.h>
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#include <stdlib.h>
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#include "music.h"
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#include "midi.h"
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#include "mpu401.h"
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#include "compat.h"
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#ifndef TRUE
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#define TRUE (1 == 1)
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#define FALSE (!TRUE)
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#endif
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#ifndef min
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#define min(a, b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef max
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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int32_t MUSIC_SoundDevice = -1;
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int32_t MUSIC_ErrorCode = MUSIC_Ok;
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static midifuncs MUSIC_MidiFunctions;
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int32_t MUSIC_InitMidi(int32_t card, midifuncs *Funcs, int32_t Address);
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#define MUSIC_SetErrorCode(status) MUSIC_ErrorCode = (status);
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const char *MUSIC_ErrorString(int32_t ErrorNumber)
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{
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const char *ErrorString;
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switch (ErrorNumber)
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{
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case MUSIC_Warning:
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case MUSIC_Error: ErrorString = MUSIC_ErrorString(MUSIC_ErrorCode); break;
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case MUSIC_Ok: ErrorString = "Music ok."; break;
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case MUSIC_MidiError: ErrorString = "Error playing MIDI file."; break;
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default: ErrorString = "Unknown Music error code."; break;
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}
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return ErrorString;
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}
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int32_t MUSIC_Init(int32_t SoundCard, int32_t Address)
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{
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MUSIC_SoundDevice = SoundCard;
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return MUSIC_InitMidi(SoundCard, &MUSIC_MidiFunctions, Address);
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}
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int32_t MUSIC_Shutdown(void)
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{
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MIDI_StopSong();
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return MUSIC_Ok;
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}
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void MUSIC_SetVolume(int32_t volume)
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{
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if (MUSIC_SoundDevice != -1)
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MIDI_SetVolume(min(max(0, volume), 255));
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}
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int32_t MUSIC_GetVolume(void) { return MUSIC_SoundDevice == -1 ? 0 : MIDI_GetVolume(); }
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void MUSIC_SetLoopFlag(int32_t loopflag) { MIDI_SetLoopFlag(loopflag); }
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void MUSIC_Continue(void) { MIDI_ContinueSong(); }
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void MUSIC_Pause(void) { MIDI_PauseSong(); }
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int32_t MUSIC_StopSong(void)
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{
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MIDI_StopSong();
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MUSIC_SetErrorCode(MUSIC_Ok);
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return MUSIC_Ok;
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}
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int32_t MUSIC_PlaySong(char *song, int32_t loopflag)
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{
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MUSIC_StopSong();
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if (MIDI_PlaySong(song, loopflag) != MIDI_Ok)
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{
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MUSIC_SetErrorCode(MUSIC_MidiError);
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return MUSIC_Warning;
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}
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return MUSIC_Ok;
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}
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int32_t MUSIC_InitMidi(int32_t card, midifuncs *Funcs, int32_t Address)
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{
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UNREFERENCED_PARAMETER(card);
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UNREFERENCED_PARAMETER(Address);
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Funcs->NoteOff = MPU_NoteOff;
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Funcs->NoteOn = MPU_NoteOn;
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Funcs->PolyAftertouch = MPU_PolyAftertouch;
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Funcs->ControlChange = MPU_ControlChange;
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Funcs->ProgramChange = MPU_ProgramChange;
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Funcs->ChannelAftertouch = MPU_ChannelAftertouch;
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Funcs->PitchBend = MPU_PitchBend;
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MIDI_SetMidiFuncs(Funcs);
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return MIDI_Ok;
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}
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void MUSIC_Update(void) { MIDI_UpdateMusic(); }
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