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Diffstat (limited to 'engines/sci/sfx/softseq/pcjr.h')
-rw-r--r-- | engines/sci/sfx/softseq/pcjr.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/engines/sci/sfx/softseq/pcjr.h b/engines/sci/sfx/softseq/pcjr.h new file mode 100644 index 0000000000..6fd582e53f --- /dev/null +++ b/engines/sci/sfx/softseq/pcjr.h @@ -0,0 +1,86 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program 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; either version 2 + * of the License, or (at your option) any later version. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#include "sci/sfx/sci_midi.h" + +#include "sound/softsynth/emumidi.h" + +namespace Sci { + +class MidiDriver_PCJr : public MidiDriver_Emulated { +public: + friend class MidiPlayer_PCJr; + + enum { + kMaxChannels = 3 + }; + + MidiDriver_PCJr(Audio::Mixer *mixer) : MidiDriver_Emulated(mixer) { } + ~MidiDriver_PCJr() { } + + // MidiDriver + int open() { return open(kMaxChannels); } + void close(); + void send(uint32 b); + MidiChannel *allocateChannel() { return NULL; } + MidiChannel *getPercussionChannel() { return NULL; } + + // AudioStream + bool isStereo() const { return false; } + int getRate() const { return _mixer->getOutputRate(); } + + // MidiDriver_Emulated + void generateSamples(int16 *buf, int len); + + int open(int channels); +private: + int _channels_nr; + int _global_volume; // Base volume + int _volumes[kMaxChannels]; + int _notes[kMaxChannels]; // Current halftone, or 0 if off + int _freq_count[kMaxChannels]; + int _channel_assigner; + int _channels_assigned; + int _chan_nrs[kMaxChannels]; +}; + +class MidiPlayer_PCJr : public MidiPlayer { +public: + MidiPlayer_PCJr() { _driver = new MidiDriver_PCJr(g_system->getMixer()); } + int open(ResourceManager *resmgr) { return static_cast<MidiDriver_PCJr *>(_driver)->open(getPolyphony()); } + int getPlayMask() const { return 0x10; } + int getPolyphony() const { return 3; } + bool hasRhythmChannel() const { return false; } + void setVolume(byte volume) { static_cast<MidiDriver_PCJr *>(_driver)->_global_volume = volume; } +}; + +class MidiPlayer_PCSpeaker : public MidiPlayer_PCJr { +public: + int getPlayMask() const { return 0x20; } + int getPolyphony() const { return 1; } +}; + +} // End of namespace Sci + |