DM: Pull sound handling into a separate class

1 files changed, 80 insertions, 0 deletions

diff --git a/engines/dm/sounds.h b/engines/dm/sounds.h
new file mode 100644
index 0000000000..b3add4a423
--- /dev/null
+++ b/engines/dm/sounds.h
@@ -0,0 +1,80 @@
+/* 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.
+*
+*/
+
+/*
+* Based on the Reverse Engineering work of Christophe Fontanel,
+* maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
+*/
+
+#include "dm.h"
+
+namespace DM {
+
+#define k34_D13_soundCount 34 // @ D13_SOUND_COUNT
+
+class SoundData {
+public:
+	uint32 _byteCount;
+	byte* _firstSample;
+	uint32 _sampleCount;
+	SoundData() : _byteCount(0), _firstSample(nullptr), _sampleCount(0) {}
+}; // @ SOUND_DATA
+
+class Sound {
+public:
+	int16 _graphicIndex;
+	byte _period;
+	byte _priority;
+	byte _loudDistance;
+	byte _softDistance;
+	Sound(int16 index, byte period, byte priority, byte loudDist, byte softDist) :
+		_graphicIndex(index), _period(period), _priority(priority), _loudDistance(loudDist), _softDistance(softDist) {}
+}; // @ Sound
+
+class PendingSound {
+public:
+	uint8 _leftVolume;
+	uint8 _rightVolume;
+	int16 _soundIndex;
+	PendingSound(uint8 leftVolume, uint8 rightVolume, int16 soundIndex) :
+		_leftVolume(leftVolume), _rightVolume(rightVolume), _soundIndex(soundIndex) {}
+};
+
+
+class SoundMan {
+	DMEngine *_vm;
+
+public:
+	SoundMan(DMEngine* vm);
+	~SoundMan();
+
+	SoundData _gK24_soundData[k34_D13_soundCount]; // @ K0024_as_SoundData
+	Common::Queue<PendingSound> _pendingSounds;
+
+	void f503_loadSounds(); // @ F0503_SOUND_LoadAll
+	void f064_SOUND_RequestPlay_CPSD(uint16 P0088_ui_SoundIndex, int16 P0089_i_MapX, int16 P0090_i_MapY, uint16 P0091_ui_Mode); // @ F0064_SOUND_RequestPlay_CPSD
+	void f060_SOUND_Play(uint16 P0921_ui_SoundIndex, uint16 P0085_i_Period, uint8 leftVol, uint8 rightVol); // @ F0060_SOUND_Play
+	void f65_playPendingSound(); // @ F0065_SOUND_PlayPendingSound_CPSD
+	bool f505_soundGetVolume(int16 mapX, int16 mapY, uint8 *leftVolume, uint8 *rightVolume); // @ F0505_SOUND_GetVolume
+};
+
+}
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