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Location: cpp/openttd-patchpack/source/src/music/win32_m.cpp
r7462:2db74bba0fe1
3.1 KiB
text/x-c
(svn r10963) -Revert(10700): Although the idea was good, it was more prone of errors than usefull.
So now, it will be better to jump to the overriden tile when it is been marked as an override
So now, it will be better to jump to the overriden tile when it is been marked as an override
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#include "../stdafx.h"
#include "win32_m.h"
#include <windows.h>
#include <mmsystem.h>
static struct {
bool stop_song;
bool terminate;
bool playing;
int new_vol;
HANDLE wait_obj;
UINT_PTR devid;
char start_song[260];
} _midi;
static FMusicDriver_Win32 iFMusicDriver_Win32;
void MusicDriver_Win32::PlaySong(const char *filename)
{
strcpy(_midi.start_song, filename);
_midi.playing = true;
_midi.stop_song = false;
SetEvent(_midi.wait_obj);
}
void MusicDriver_Win32::StopSong()
{
if (_midi.playing) {
_midi.stop_song = true;
_midi.start_song[0] = '\0';
SetEvent(_midi.wait_obj);
}
}
bool MusicDriver_Win32::IsSongPlaying()
{
return _midi.playing;
}
void MusicDriver_Win32::SetVolume(byte vol)
{
_midi.new_vol = vol;
SetEvent(_midi.wait_obj);
}
static MCIERROR CDECL MidiSendCommand(const char* cmd, ...)
{
va_list va;
char buf[512];
va_start(va, cmd);
vsnprintf(buf, lengthof(buf), cmd, va);
va_end(va);
return mciSendStringA(buf, NULL, 0, 0);
}
static bool MidiIntPlaySong(const char *filename)
{
MidiSendCommand("close all");
if (MidiSendCommand("open \"%s\" type sequencer alias song", filename) != 0) return false;
return MidiSendCommand("play song from 0") == 0;
}
static void MidiIntStopSong()
{
MidiSendCommand("close all");
}
static void MidiIntSetVolume(int vol)
{
DWORD v = (vol * 65535 / 127);
midiOutSetVolume((HMIDIOUT)_midi.devid, v + (v << 16));
}
static bool MidiIntIsSongPlaying()
{
char buf[16];
mciSendStringA("status song mode", buf, sizeof(buf), 0);
return strcmp(buf, "playing") == 0 || strcmp(buf, "seeking") == 0;
}
static DWORD WINAPI MidiThread(LPVOID arg)
{
_midi.wait_obj = CreateEvent(NULL, FALSE, FALSE, NULL);
do {
char *s;
int vol;
vol = _midi.new_vol;
if (vol != -1) {
_midi.new_vol = -1;
MidiIntSetVolume(vol);
}
s = _midi.start_song;
if (s[0] != '\0') {
_midi.playing = MidiIntPlaySong(s);
s[0] = '\0';
// Delay somewhat in case we don't manage to play.
if (!_midi.playing) Sleep(5000);
}
if (_midi.stop_song && _midi.playing) {
_midi.stop_song = false;
_midi.playing = false;
MidiIntStopSong();
}
if (_midi.playing && !MidiIntIsSongPlaying()) _midi.playing = false;
WaitForMultipleObjects(1, &_midi.wait_obj, FALSE, 1000);
} while (!_midi.terminate);
DeleteObject(_midi.wait_obj);
return 0;
}
const char *MusicDriver_Win32::Start(const char * const *parm)
{
MIDIOUTCAPS midicaps;
DWORD threadId;
UINT nbdev;
UINT_PTR dev;
char buf[16];
mciSendStringA("capability sequencer has audio", buf, lengthof(buf), 0);
if (strcmp(buf, "true") != 0) return "MCI sequencer can't play audio";
memset(&_midi, 0, sizeof(_midi));
_midi.new_vol = -1;
/* Get midi device */
_midi.devid = MIDI_MAPPER;
for (dev = 0, nbdev = midiOutGetNumDevs(); dev < nbdev; dev++) {
if (midiOutGetDevCaps(dev, &midicaps, sizeof(midicaps)) == 0 && (midicaps.dwSupport & MIDICAPS_VOLUME)) {
_midi.devid = dev;
break;
}
}
if (CreateThread(NULL, 8192, MidiThread, 0, 0, &threadId) == NULL) return "Failed to create thread";
return NULL;
}
void MusicDriver_Win32::Stop()
{
_midi.terminate = true;
SetEvent(_midi.wait_obj);
}
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