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@ r5686:efbdee22bd39
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Location: cpp/openttd-patchpack/source/src/music/win32_m.cpp
r5686:efbdee22bd39
3.3 KiB
text/x-c
(svn r8147) -Fix: [autoreplace] v->leave_depot_instantly was not always reset correctly
While it's not certain if this would have any serious sideeffects (or any at all), it's reset when intended now
While it's not certain if this would have any serious sideeffects (or any at all), it's reset when intended now
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#include "../stdafx.h"
#include "../openttd.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 void Win32MidiPlaySong(const char *filename)
{
strcpy(_midi.start_song, filename);
_midi.playing = true;
_midi.stop_song = false;
SetEvent(_midi.wait_obj);
}
static void Win32MidiStopSong(void)
{
if (_midi.playing) {
_midi.stop_song = true;
_midi.start_song[0] = '\0';
SetEvent(_midi.wait_obj);
}
}
static bool Win32MidiIsSongPlaying(void)
{
return _midi.playing;
}
static void Win32MidiSetVolume(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);
vsprintf(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;
if (MidiSendCommand("play song from 0") != 0)
return false;
return true;
}
static void MidiIntStopSong(void)
{
MidiSendCommand("close all");
}
static void MidiIntSetVolume(int vol)
{
DWORD v = (vol * 65535 / 127);
midiOutSetVolume((HMIDIOUT)_midi.devid, v + (v << 16));
}
static bool MidiIntIsSongPlaying(void)
{
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;
}
static const char *Win32MidiStart(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;
}
static void Win32MidiStop(void)
{
_midi.terminate = true;
SetEvent(_midi.wait_obj);
}
const HalMusicDriver _win32_music_driver = {
Win32MidiStart,
Win32MidiStop,
Win32MidiPlaySong,
Win32MidiStopSong,
Win32MidiIsSongPlaying,
Win32MidiSetVolume,
};
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