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[16.git] / 16 / adplug / adplug-2.2.1 / src / xad.cpp

diff --git a/16/adplug/adplug-2.2.1/src/xad.cpp b/16/adplug/adplug-2.2.1/src/xad.cpp
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+++ b/16/adplug/adplug-2.2.1/src/xad.cpp
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+/*
+  Adplug - Replayer for many OPL2/OPL3 audio file formats.
+  Copyright (C) 1999 - 2003 Simon Peter, <dn.tlp@gmx.net>, et al.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+  xad.cpp - XAD shell player by Riven the Mage <riven@ok.ru>
+*/
+
+#include "xad.h"
+#include "debug.h"
+
+/* -------- Public Methods -------------------------------- */
+
+CxadPlayer::CxadPlayer(Copl * newopl) : CPlayer(newopl)
+{
+  tune = 0;
+}
+
+CxadPlayer::~CxadPlayer()
+{
+  if (tune)
+    delete [] tune;
+}
+
+bool CxadPlayer::load(const std::string &filename, const CFileProvider &fp)
+{
+  binistream *f = fp.open(filename); if(!f) return false;
+  bool ret = false;
+
+  // load header
+  xad.id = f->readInt(4);
+  f->readString(xad.title, 36);
+  f->readString(xad.author, 36);
+  xad.fmt = f->readInt(2);
+  xad.speed = f->readInt(1);
+  xad.reserved_a = f->readInt(1);
+
+  // 'XAD!' - signed ?
+  if(xad.id != 0x21444158) { fp.close(f); return false; }
+
+  // get file size
+  tune_size = fp.filesize(f) - 80;
+
+  // load()
+  tune = new unsigned char [tune_size];
+  f->readString((char *)tune, tune_size);
+  fp.close(f);
+
+  ret = xadplayer_load();
+
+  if (ret)
+    rewind(0);
+
+  return ret;
+}
+
+void CxadPlayer::rewind(int subsong)
+{
+  opl->init();
+
+  plr.speed = xad.speed;
+  plr.speed_counter = 1;
+  plr.playing = 1;
+  plr.looping = 0;
+
+  // rewind()
+  xadplayer_rewind(subsong);
+
+#ifdef DEBUG
+  AdPlug_LogWrite("-----------\n");
+#endif
+}
+
+bool CxadPlayer::update()
+{
+  if (--plr.speed_counter)
+    goto update_end;
+
+  plr.speed_counter = plr.speed;
+
+  // update()
+  xadplayer_update();
+
+update_end:
+  return (plr.playing && (!plr.looping));
+}
+
+float CxadPlayer::getrefresh()
+{
+  return xadplayer_getrefresh();
+}
+
+std::string CxadPlayer::gettype()
+{
+  return xadplayer_gettype();
+}
+
+std::string CxadPlayer::gettitle()
+{
+  return xadplayer_gettitle();
+}
+
+std::string CxadPlayer::getauthor()
+{
+  return xadplayer_getauthor();
+}
+
+std::string CxadPlayer::getinstrument(unsigned int i)
+{
+  return xadplayer_getinstrument(i);
+}
+
+unsigned int CxadPlayer::getinstruments()
+{
+  return xadplayer_getinstruments();
+}
+
+/* -------- Protected Methods ------------------------------- */
+
+void CxadPlayer::opl_write(int reg, int val)
+{
+  adlib[reg] = val;
+#ifdef DEBUG
+  AdPlug_LogWrite("[ %02X ] = %02X\n",reg,val);
+#endif
+  opl->write(reg,val);
+}