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i_midi.c
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i_midi.c
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// Copyright © 1998, Bruce A. Lewis
// This code may not be re-used in a commercial product
// of any kind without express written consent from
// the author, Bruce A. Lewis.
//
// Global define needed for calling these functions
#include "windows.h"
#include <stdio.h>
#include "i_midi.h"
#include "io.h"
// Local define needed only for error message capture and display
#define MCIMSGLEN 128
char MidiMsg[MCIMSGLEN+1];
BOOL MidiPlay(HWND hWnd, MIDI_Data_t *mdd)
{
char szCommandString[128];
ULONG ulRC;
if (access(mdd->szMidiFile, 4) != 0)
{
mdd->MidiStatus = midi_nofile;
return(FALSE);
}
sprintf( szCommandString, "open %s alias doomsong wait", mdd->szMidiFile );
ulRC = mciSendString( szCommandString, 0, 0, 0, 'M' );
if (ulRC)
{
mciGetErrorString(ulRC, MidiMsg, MCIMSGLEN);
WinMessageBox(HWND_DESKTOP, hWnd, MidiMsg, "MIDI Open", 0, MB_ICONHAND | MB_OK);
mdd->MidiError = ulRC;
return(FALSE);
}
strcpy( szCommandString, "play doomsong" );
ulRC = mciSendString( szCommandString, 0, 0, hWnd, 'M' );
if (ulRC)
{
mciGetErrorString(ulRC, MidiMsg, MCIMSGLEN);
WinMessageBox(HWND_DESKTOP, hWnd, MidiMsg, "MIDI Play", 0, MB_ICONHAND | MB_OK);
strcpy( szCommandString, "close doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
mdd->MidiError = ulRC;
return(FALSE);
}
mdd->MidiStatus = midi_play;
return(TRUE);
}
BOOL MidiReplay(HWND hWnd, MIDI_Data_t *mdd)
{
char szCommandString[128];
ULONG ulRC;
strcpy( szCommandString, "play doomsong" );
ulRC = mciSendString( szCommandString, 0, 0, hWnd, 'M' );
if (ulRC)
{
mciGetErrorString(ulRC, MidiMsg, MCIMSGLEN);
WinMessageBox(HWND_DESKTOP, hWnd, MidiMsg, "MIDI Replay", 0, MB_ICONHAND | MB_OK);
strcpy( szCommandString, "close doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
mdd->MidiError = ulRC;
return(FALSE);
}
return(TRUE);
}
BOOL MidiPause(HWND hWnd, MIDI_Data_t *mdd)
{
char szCommandString[128];
ULONG ulRC;
strcpy( szCommandString, "pause doomsong" );
ulRC = mciSendString( szCommandString, 0, 0, hWnd, 'M' );
if (ulRC)
{
mciGetErrorString(ulRC, MidiMsg, MCIMSGLEN);
WinMessageBox(HWND_DESKTOP, hWnd, MidiMsg, "MIDI Resume", 0, MB_ICONHAND | MB_OK);
strcpy( szCommandString, "close doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
mdd->MidiError = ulRC;
return(FALSE);
}
mdd->MidiStatus = midi_pause;
return(TRUE);
}
BOOL MidiResume(HWND hWnd, MIDI_Data_t *mdd)
{
char szCommandString[128];
ULONG ulRC;
strcpy( szCommandString, "resume doomsong" );
ulRC = mciSendString( szCommandString, 0, 0, hWnd, 'M' );
if (ulRC)
{
mciGetErrorString(ulRC, MidiMsg, MCIMSGLEN);
WinMessageBox(HWND_DESKTOP, hWnd, MidiMsg, "MIDI Pause", 0, MB_ICONHAND | MB_OK);
strcpy( szCommandString, "close doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
mdd->MidiError = ulRC;
return(FALSE);
}
mdd->MidiStatus = midi_play;
return(TRUE);
}
void MidiStop(MIDI_Data_t *mdd)
{
char szCommandString[128];
ULONG ulRC;
strcpy( szCommandString, "stop doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
strcpy( szCommandString, "close doomsong wait" );
mciSendString( szCommandString, 0, 0, 0, 'M' );
mdd->MidiStatus = midi_stop;
}