1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #include "engines/engine.h"
24 #include "scumm/players/player_v4a.h"
25 #include "scumm/scumm.h"
26 
27 #include "common/file.h"
28 
29 namespace Scumm {
30 
Player_V4A(ScummEngine * scumm,Audio::Mixer * mixer)31 Player_V4A::Player_V4A(ScummEngine *scumm, Audio::Mixer *mixer)
32 	: _vm(scumm),
33 	  _mixer(mixer),
34 	  _tfmxMusic(_mixer->getOutputRate(), true),
35 	  _tfmxSfx(_mixer->getOutputRate(), true),
36 	  _musicHandle(),
37 	  _sfxHandle(),
38 	  _musicId(),
39 	  _sfxSlots(),
40 	  _initState(0),
41 	  _signal(0) {
42 
43 	assert(scumm);
44 	assert(mixer);
45 	assert(_vm->_game.id == GID_MONKEY_VGA);
46 	_tfmxMusic.setSignalPtr(&_signal, 1);
47 }
48 
init()49 bool Player_V4A::init() {
50 	if (_vm->_game.id != GID_MONKEY_VGA)
51 		error("player_v4a - unknown game");
52 
53 	Common::File fileMdat, fileSample;
54 
55 	if (fileMdat.open("music.dat") && fileSample.open("sample.dat")) {
56 		// explicitly request that no instance delets the resources automatically
57 		if (_tfmxMusic.load(fileMdat, fileSample, false)) {
58 			_tfmxSfx.setModuleData(_tfmxMusic);
59 			return true;
60 		}
61 	} else
62 		warning("player_v4a: couldnt load one of the music resources: music.dat, sample.dat");
63 
64 	return false;
65 }
66 
~Player_V4A()67 Player_V4A::~Player_V4A() {
68 	_mixer->stopHandle(_musicHandle);
69 	_mixer->stopHandle(_sfxHandle);
70 	_tfmxMusic.freeResources();
71 }
72 
setMusicVolume(int vol)73 void Player_V4A::setMusicVolume(int vol) {
74 	debug(5, "player_v4a: setMusicVolume %i", vol);
75 }
76 
stopAllSounds()77 void Player_V4A::stopAllSounds() {
78 	debug(5, "player_v4a: stopAllSounds");
79 	if (_initState > 0) {
80 		_tfmxMusic.stopSong();
81 		_signal = 0;
82 		_musicId = 0;
83 
84 		_tfmxSfx.stopSong();
85 		clearSfxSlots();
86 	} else
87 		_mixer->stopHandle(_musicHandle);
88 }
89 
stopSound(int nr)90 void Player_V4A::stopSound(int nr) {
91 	debug(5, "player_v4a: stopSound %d", nr);
92 	if (nr == 0)
93 		return;
94 	if (nr == _musicId) {
95 		_musicId = 0;
96 		if (_initState > 0)
97 			_tfmxMusic.stopSong();
98 		else
99 			_mixer->stopHandle(_musicHandle);
100 		_signal = 0;
101 	} else {
102 		const int chan = getSfxChan(nr);
103 		if (chan != -1) {
104 			setSfxSlot(chan, 0);
105 			_tfmxSfx.stopMacroEffect(chan);
106 		}
107 	}
108 }
109 
startSound(int nr)110 void Player_V4A::startSound(int nr) {
111 	static const int8 monkeyCommands[52] = {
112 		 -1,  -2,  -3,  -4,  -5,  -6,  -7,  -8,
113 		 -9, -10, -11, -12, -13, -14,  18,  17,
114 		-17, -18, -19, -20, -21, -22, -23, -24,
115 		-25, -26, -27, -28, -29, -30, -31, -32,
116 		-33,  16, -35,   0,   1,   2,   3,   7,
117 		  8,  10,  11,   4,   5,  14,  15,  12,
118 		  6,  13,   9,  19
119 	};
120 
121 	const byte *ptr = _vm->getResourceAddress(rtSound, nr);
122 	assert(ptr);
123 
124 	const int val = ptr[9];
125 	if (val < 0 || val >= ARRAYSIZE(monkeyCommands)) {
126 		warning("player_v4a: illegal Songnumber %i", val);
127 		return;
128 	}
129 
130 	if (!_initState)
131 		_initState = init() ? 1 : -1;
132 
133 	if (_initState < 0)
134 		return;
135 
136 	int index = monkeyCommands[val];
137 	const byte type = ptr[6];
138 	if (index < 0) {	// SoundFX
139 		index = -index - 1;
140 		debug(3, "player_v4a: play %d: custom %i - %02X", nr, index, type);
141 
142 		// start an empty Song so timing is setup
143 		if (_tfmxSfx.getSongIndex() < 0)
144 			_tfmxSfx.doSong(0x18);
145 
146 		const int chan = _tfmxSfx.doSfx((uint16)index);
147 		if (chan >= 0 && chan < ARRAYSIZE(_sfxSlots))
148 			setSfxSlot(chan, nr, type);
149 		else
150 			warning("player_v4a: custom %i is not of required type", index);
151 
152 		// the Tfmx-player never "ends" the output by itself, so this should be threadsafe
153 		if (!_mixer->isSoundHandleActive(_sfxHandle))
154 			_mixer->playStream(Audio::Mixer::kSFXSoundType, &_sfxHandle, &_tfmxSfx, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO);
155 
156 	} else {	// Song
157 		debug(3, "player_v4a: play %d: song %i - %02X", nr, index, type);
158 		if (ptr[6] != 0x7F)
159 			warning("player_v4a: Song has wrong type");
160 
161 		_tfmxMusic.doSong(index);
162 		_signal = 2;
163 
164 		// the Tfmx-player never "ends" the output by itself, so this should be threadsafe
165 		if (!_mixer->isSoundHandleActive(_musicHandle))
166 			_mixer->playStream(Audio::Mixer::kMusicSoundType, &_musicHandle, &_tfmxMusic, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO);
167 		_musicId = nr;
168 	}
169 }
170 
getMusicTimer()171 int Player_V4A::getMusicTimer() {
172 	// A workaround if the modplayer couldnt load the datafiles - just return a number big enough to pass all tests
173 	if (_initState < 0)
174 		return 2000;
175 	if (_musicId) {
176 		// The titlesong (and a few others) is running with ~70 ticks per second and the scale seems to be based on that.
177 		// The Game itself doesn't get the timing from the Tfmx Player however, so we just use the elapsed time
178 		// 357 ~ 1000 * 25 * (1 / 70)
179 		return _mixer->getSoundElapsedTime(_musicHandle) / 357;
180 	}
181 	return 0;
182 }
183 
getSoundStatus(int nr) const184 int Player_V4A::getSoundStatus(int nr) const {
185 	// For music the game queues a variable the Tfmx Player sets through a special command.
186 	// For sfx there seems to be no way to queue them, and the game doesn't try to.
187 	return (nr == _musicId) ? _signal : 0;
188 }
189 
190 } // End of namespace Scumm
191