diff options
Diffstat (limited to 'engines')
-rw-r--r-- | engines/zvision/core/midi.cpp | 89 | ||||
-rw-r--r-- | engines/zvision/core/midi.h | 59 | ||||
-rw-r--r-- | engines/zvision/module.mk | 1 | ||||
-rw-r--r-- | engines/zvision/zvision.cpp | 4 | ||||
-rw-r--r-- | engines/zvision/zvision.h | 5 |
5 files changed, 158 insertions, 0 deletions
diff --git a/engines/zvision/core/midi.cpp b/engines/zvision/core/midi.cpp new file mode 100644 index 0000000000..5cc8cd0402 --- /dev/null +++ b/engines/zvision/core/midi.cpp @@ -0,0 +1,89 @@ +/* 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. + * + */ + +#include "common/scummsys.h" + +#include "zvision/core/midi.h" + +namespace ZVision { + +midiManager::midiManager() { + MidiDriver::DeviceHandle dev = MidiDriver::detectDevice(MDT_MIDI | MDT_ADLIB); + _driver = MidiDriver::createMidi(dev); + _driver->open(); +} + +midiManager::~midiManager() { + stop(); + _driver->close(); + delete _driver; +} + +void midiManager::stop() { + for (int8 i = 0; i < 16; i++) + if (_playChannels[i].playing) + noteOff(i); +} + +void midiManager::noteOn(int8 channel, int8 note, int8 velocity) { + assert(channel <= 15); + + _playChannels[channel].playing = true; + _playChannels[channel].note = note; + _driver->send(channel | (velocity << 16) | (note << 8) | 0x90); +} + +void midiManager::noteOff(int8 channel) { + assert(channel <= 15); + + if (_playChannels[channel].playing) { + _playChannels[channel].playing = false; + _driver->send(channel | (_playChannels[channel].note << 8) | 0x80); + } +} + +int8 midiManager::getFreeChannel() { + for (int8 i = 0; i < 16; i++) + if (!_playChannels[i].playing) + return i; + return -1; +} + +void midiManager::setPan(int8 channel, int8 pan) { + assert(channel <= 15); + + _driver->send(channel | (pan << 16) | 0xAB0); +} + +void midiManager::setVolume(int8 channel, int8 volume) { + assert(channel <= 15); + + _driver->send(channel | (volume << 16) | 0x7B0); +} + +void midiManager::setProgram(int8 channel, int8 prog) { + assert(channel <= 15); + + _driver->send(channel | (prog << 8) | 0xC0); +} + +} // End of namespace ZVision diff --git a/engines/zvision/core/midi.h b/engines/zvision/core/midi.h new file mode 100644 index 0000000000..79f8ea3d04 --- /dev/null +++ b/engines/zvision/core/midi.h @@ -0,0 +1,59 @@ +/* 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. + * + */ + +#ifndef ZVISION_MIDI_H +#define ZVISION_MIDI_H + +#include "audio/mididrv.h" + +namespace ZVision { + +class midiManager { +public: + midiManager(); + ~midiManager(); + + void stop(); + void noteOn(int8 channel, int8 noteNumber, int8 velocity); + void noteOff(int8 channel); + void setPan(int8 channel, int8 pan); + void setVolume(int8 channel, int8 volume); + void setProgram(int8 channel, int8 prog); + + int8 getFreeChannel(); + +protected: + + struct chan { + bool playing; + int8 note; + + chan() : playing(false), note(0) {}; + }; + + MidiDriver *_driver; + chan _playChannels[16]; +}; + +} + +#endif diff --git a/engines/zvision/module.mk b/engines/zvision/module.mk index 872b48f775..3f00d67c4c 100644 --- a/engines/zvision/module.mk +++ b/engines/zvision/module.mk @@ -7,6 +7,7 @@ MODULE_OBJS := \ core/console.o \ core/events.o \ core/menu.o \ + core/midi.o \ core/save_manager.o \ core/search_manager.o \ cursors/cursor_manager.o \ diff --git a/engines/zvision/zvision.cpp b/engines/zvision/zvision.cpp index a534e49c25..a78d68dc8c 100644 --- a/engines/zvision/zvision.cpp +++ b/engines/zvision/zvision.cpp @@ -36,6 +36,7 @@ #include "zvision/core/search_manager.h" #include "zvision/text/text.h" #include "zvision/fonts/truetype_font.h" +#include "zvision/core/midi.h" #include "common/config-manager.h" #include "common/str.h" @@ -67,6 +68,7 @@ ZVision::ZVision(OSystem *syst, const ZVisionGameDescription *gameDesc) _saveManager(nullptr), _stringManager(nullptr), _cursorManager(nullptr), + _midiManager(nullptr), _aud_id(0), _rendDelay(2), _velocity(0) { @@ -85,6 +87,7 @@ ZVision::~ZVision() { delete _renderManager; delete _scriptManager; delete _rnd; + delete _midiManager; // Remove all of our debug levels DebugMan.clearAllDebugChannels(); @@ -156,6 +159,7 @@ void ZVision::initialize() { _stringManager = new StringManager(this); _cursorManager = new CursorManager(this, &_pixelFormat); _textRenderer = new textRenderer(this); + _midiManager = new midiManager(); if (_gameDescription->gameId == GID_GRANDINQUISITOR) _menu = new menuZgi(this); diff --git a/engines/zvision/zvision.h b/engines/zvision/zvision.h index e5d32bf678..cbd10da0d5 100644 --- a/engines/zvision/zvision.h +++ b/engines/zvision/zvision.h @@ -55,6 +55,7 @@ class RlfAnimation; class menuHandler; class textRenderer; class Subtitle; +class midiManager; class ZVision : public Engine { public: @@ -104,6 +105,7 @@ private: menuHandler *_menu; sManager *_searchManager; textRenderer *_textRenderer; + midiManager *_midiManager; // Clock Clock _clock; @@ -146,6 +148,9 @@ public: textRenderer *getTextRenderer() const { return _textRenderer; } + midiManager *getMidiManager() const { + return _midiManager; + } Common::RandomSource *getRandomSource() const { return _rnd; } |