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author | Filippos Karapetis | 2013-11-01 06:57:20 +0200 |
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committer | Filippos Karapetis | 2013-11-01 06:57:53 +0200 |
commit | 651bf899399de2b5c2d8e62a5bb4964b037950d2 (patch) | |
tree | 103dfc3e6677e7d5c26e13e8866648782f226247 /engines/scumm/player/v2.h | |
parent | 37d4316a4014970171dfea8fc19f8c9e978e9102 (diff) | |
download | scummvm-rg350-651bf899399de2b5c2d8e62a5bb4964b037950d2.tar.gz scummvm-rg350-651bf899399de2b5c2d8e62a5bb4964b037950d2.tar.bz2 scummvm-rg350-651bf899399de2b5c2d8e62a5bb4964b037950d2.zip |
SCUMM: Move all players to a separate "player" directory
There are 34 player .cpp/.h player files, so they have been placed in
their own directory, to logically separate them from the rest of the
engine
Diffstat (limited to 'engines/scumm/player/v2.h')
-rw-r--r-- | engines/scumm/player/v2.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/engines/scumm/player/v2.h b/engines/scumm/player/v2.h new file mode 100644 index 0000000000..e23f74cb31 --- /dev/null +++ b/engines/scumm/player/v2.h @@ -0,0 +1,72 @@ +/* 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 SCUMM_PLAYER_V2_H +#define SCUMM_PLAYER_V2_H + +#include "scumm/player/v2base.h" + +namespace Scumm { + +/** + * Scumm V2 PC-Speaker MIDI driver. + * This simulates the pc speaker sound, which is driven by the 8253 (square + * wave generator) and a low-band filter. + */ +class Player_V2 : public Player_V2Base { +public: + Player_V2(ScummEngine *scumm, Audio::Mixer *mixer, bool pcjr); + virtual ~Player_V2(); + + // MusicEngine API + virtual void setMusicVolume(int vol); + virtual void startSound(int sound); + virtual void stopSound(int sound); + virtual void stopAllSounds(); +// virtual int getMusicTimer(); + virtual int getSoundStatus(int sound) const; + + // AudioStream API + virtual int readBuffer(int16 *buffer, const int numSamples); + +protected: + unsigned int _update_step; + unsigned int _decay; + int _level; + unsigned int _RNG; + unsigned int _volumetable[16]; + + int _timer_count[4]; + int _timer_output; + +protected: + virtual void generateSpkSamples(int16 *data, uint len); + virtual void generatePCjrSamples(int16 *data, uint len); + + void lowPassFilter(int16 *data, uint len); + void squareGenerator(int channel, int freq, int vol, + int noiseFeedback, int16 *sample, uint len); +}; + +} // End of namespace Scumm + +#endif |