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Location: cpp/openttd-patchpack/source/src/music/os2_m.cpp - annotation
r24860:fb2788d47d86
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text/x-c
Codechange: [OSX] Only keep a total dirty rect for drawing.
When drawing an 8bpp screen buffer, palette resolving was done for each
dirty rectangle. In areas with high activity, this would mean a pixel might
have been resolved multiple times. Also, if too many individual updates
were queued, the whole screen would be refreshed, even if unnecessary.
All other drivers only keep one overall dirty rect, so do it here as well.
When drawing an 8bpp screen buffer, palette resolving was done for each
dirty rectangle. In areas with high activity, this would mean a pixel might
have been resolved multiple times. Also, if too many individual updates
were queued, the whole screen would be refreshed, even if unnecessary.
All other drivers only keep one overall dirty rect, so do it here as well.
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* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file os2_m.cpp Music playback on OS/2. */
#include "../stdafx.h"
#include "../openttd.h"
#include "os2_m.h"
#include "midifile.hpp"
#include "../base_media_base.h"
#define INCL_DOS
#define INCL_OS2MM
#define INCL_WIN
#include <stdarg.h>
#include <os2.h>
#include <os2me.h>
#include "../safeguards.h"
/**********************
* OS/2 MIDI PLAYER
**********************/
/* Interesting how similar the MCI API in OS/2 is to the Win32 MCI API,
* eh? Anyone would think they both came from the same place originally! ;)
*/
/**
* Send a midi command.
* @param cmd The command to send.
* @return The result of sending it.
*/
static long CDECL MidiSendCommand(const char *cmd, ...)
{
va_list va;
char buf[512];
va_start(va, cmd);
vseprintf(buf, lastof(buf), cmd, va);
va_end(va);
return mciSendString(buf, nullptr, 0, nullptr, 0);
}
/** OS/2's music player's factory. */
static FMusicDriver_OS2 iFMusicDriver_OS2;
void MusicDriver_OS2::PlaySong(const MusicSongInfo &song)
{
std::string filename = MidiFile::GetSMFFile(song);
MidiSendCommand("close all");
if (filename.empty()) return;
if (MidiSendCommand("open %s type sequencer alias song", filename.c_str()) != 0) {
return;
}
MidiSendCommand("play song from 0");
}
void MusicDriver_OS2::StopSong()
{
MidiSendCommand("close all");
}
void MusicDriver_OS2::SetVolume(byte vol)
{
MidiSendCommand("set song audio volume %d", ((vol/127)*100));
}
bool MusicDriver_OS2::IsSongPlaying()
{
char buf[16];
mciSendString("status song mode", buf, sizeof(buf), nullptr, 0);
return strcmp(buf, "playing") == 0 || strcmp(buf, "seeking") == 0;
}
const char *MusicDriver_OS2::Start(const StringList &parm)
{
return 0;
}
void MusicDriver_OS2::Stop()
{
MidiSendCommand("close all");
}
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