aboutsummaryrefslogtreecommitdiff
path: root/sword1/sound.cpp
blob: 2e2fb15a413cdae9231d1770e0d85796015f62e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2003 The ScummVM project
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */

#include "stdafx.h"
#include "sound.h"
#include "common/util.h"
#include "resman.h"
#include "logic.h"
#include "sword1.h"

#define SOUND_SPEECH_ID 1
#define SPEECH_FLAGS (SoundMixer::FLAG_16BITS | SoundMixer::FLAG_AUTOFREE | SoundMixer::FLAG_LITTLE_ENDIAN)

SwordSound::SwordSound(const char *searchPath, SoundMixer *mixer, ResMan *pResMan) {
	strcpy(_filePath, searchPath);
	_mixer = mixer;
	_resMan = pResMan;
	_cowHeader = NULL;
	_endOfQueue = 0;
	_currentCowFile = 0;
}

int SwordSound::addToQueue(int32 fxNo) {
	bool alreadyInQueue = false;
	for (uint8 cnt = 0; (cnt < _endOfQueue) && (!alreadyInQueue); cnt++)
		if (_fxQueue[cnt].id == (uint32)fxNo)
			alreadyInQueue = true;
	if (!alreadyInQueue) {
		if (_endOfQueue == MAX_FXQ_LENGTH) {
			warning("Sound queue overflow");
			return 0;
		}
		_resMan->resOpen(_fxList[fxNo].sampleId);
		_fxQueue[_endOfQueue].id = fxNo;
		if (_fxList[fxNo].type == FX_SPOT)
			_fxQueue[_endOfQueue].delay = _fxList[fxNo].delay + 1;
		else
			_fxQueue[_endOfQueue].delay = 1;
		_endOfQueue++;
		return 1;
	}
	return 0;
}

void SwordSound::engine(void) {
	// first of all, add any random sfx to the queue...
	for (uint16 cnt = 0; cnt < TOTAL_FX_PER_ROOM; cnt++) {
		uint16 fxNo = _roomsFixedFx[SwordLogic::_scriptVars[SCREEN]][cnt];
		if (fxNo) {
			if (_fxList[fxNo].type == FX_RANDOM) {
				if (_rnd.getRandomNumber(_fxList[fxNo].delay) == 0)
					addToQueue(fxNo);
			}
		} else
			break;
	}
	// now process the queue
	for (uint8 cnt2 = 0; cnt2 < _endOfQueue; cnt2++) {
		if (_fxQueue[cnt2].delay > 0) {
			_fxQueue[cnt2].delay--;
			if (_fxQueue[cnt2].delay == 0)
				playSample(&_fxQueue[cnt2]);
		} else {
			if (!_fxQueue[cnt2].handle.isActive()) { // sound finished
				_resMan->resClose(_fxList[_fxQueue[cnt2].id].sampleId);
				if (cnt2 != _endOfQueue-1)
					_fxQueue[cnt2] = _fxQueue[_endOfQueue - 1];
				_endOfQueue--;
			}
		}
	}
}

void SwordSound::fnStopFx(int32 fxNo) {

	_mixer->stopID(fxNo);
	for (uint8 cnt = 0; cnt < _endOfQueue; cnt++)
		if (_fxQueue[cnt].id == (uint32)fxNo) {
			if (!_fxQueue[cnt].delay) // sound was started
				_resMan->resClose(_fxList[_fxQueue[cnt].id].sampleId);
			if (cnt != _endOfQueue-1)
				_fxQueue[cnt] = _fxQueue[_endOfQueue-1];
			_endOfQueue--;
			return ;
		}
	debug(8, "fnStopFx: id not found in queue");
}

bool SwordSound::amISpeaking(void) {
	return true;
}

bool SwordSound::speechFinished(void) {
	return !_speechHandle.isActive();
}

void SwordSound::newScreen(uint32 screen) {
	if (_currentCowFile != SwordEngine::_systemVars.currentCD) {
		if (_currentCowFile)
			closeCowSystem();
		initCowSystem();			
	}
}

void SwordSound::quitScreen(void) {
	// stop all running SFX
	while (_endOfQueue)
		fnStopFx(_fxQueue[0].id);
}

void SwordSound::playSample(QueueElement *elem) {
	uint8 *sampleData = (uint8*)_resMan->fetchRes(_fxList[elem->id].sampleId);
	for (uint16 cnt = 0; cnt < MAX_ROOMS_PER_FX; cnt++) {
		if (_fxList[elem->id].roomVolList[cnt].roomNo) {
			if ((_fxList[elem->id].roomVolList[cnt].roomNo == (int)SwordLogic::_scriptVars[SCREEN]) ||
				(_fxList[elem->id].roomVolList[cnt].roomNo == -1)) {

					uint8 volL = _fxList[elem->id].roomVolList[cnt].leftVol * 10;
					uint8 volR = _fxList[elem->id].roomVolList[cnt].rightVol * 10;
					int8 pan = (volR - volL) / 2;
					uint8 volume = (volR + volL) / 2;
					uint32 size = READ_LE_UINT32(sampleData + 0x28);
					uint8 flags;
					if (READ_LE_UINT16(sampleData + 0x22) == 16)
						flags = SoundMixer::FLAG_16BITS | SoundMixer::FLAG_LITTLE_ENDIAN;
					else
						flags = SoundMixer::FLAG_UNSIGNED;
					_mixer->playRaw(&elem->handle, sampleData + 0x2C, size, 11025, flags, elem->id, volume, pan);
			}
		} else
			break;
	}
}

bool SwordSound::startSpeech(uint16 roomNo, uint16 localNo) {
	if (_cowHeader == NULL) {
		warning("SwordSound::startSpeech: COW file isn't open!");
		return false;
	}

	uint32 locIndex = _cowHeader[roomNo] >> 2;
	uint32 sampleSize = _cowHeader[locIndex + (localNo * 2)];
	uint32 index = _cowHeader[locIndex + (localNo * 2) - 1];
	debug(6, "startSpeech(%d, %d): locIndex %d, sampleSize %d, index %d", roomNo, localNo, locIndex, sampleSize, index);
	if (sampleSize) {
		uint32 size;
		int16 *data = uncompressSpeech(index + _cowHeaderSize, sampleSize, &size);
		if (data)
			_mixer->playRaw(&_speechHandle, data, size, 11025, SPEECH_FLAGS, SOUND_SPEECH_ID);
		return true;
	} else
		return false;
}

int16 *SwordSound::uncompressSpeech(uint32 index, uint32 cSize, uint32 *size) {
	uint8 *fBuf = (uint8*)malloc(cSize);
	_cowFile.seek(index);
	_cowFile.read(fBuf, cSize);
	uint32 headerPos = 0;
	while ((READ_BE_UINT32(fBuf + headerPos) != 'data') && (headerPos < 100))
		headerPos++;
	if (headerPos < 100) {
		uint32 resSize = READ_LE_UINT32(fBuf + headerPos + 4) >> 1;
		int16 *srcData = (int16*)(fBuf + headerPos + 8);
		int16 *dstData = (int16*)malloc(resSize * 2);
		uint32 srcPos = 0;
		int16 *dstPos = dstData;
		cSize = (cSize - (headerPos + 8)) / 2;
		while (srcPos < cSize) {
			int16 length = (int16)READ_LE_UINT16(srcData + srcPos);
			srcPos++;
			if (length < 0) {
				length = -length;
				for (uint16 cnt = 0; cnt < (uint16)length; cnt++)
					*dstPos++ = srcData[srcPos];
				srcPos++;
			} else {
				memcpy(dstPos, srcData + srcPos, length * 2);
				dstPos += length;
				srcPos += length;
			}
		}
		free(fBuf);
		*size = resSize * 2;
		return dstData;
	} else {
		free(fBuf);
		warning("SwordSound::uncompressSpeech(): DATA tag not found in wave header");
		*size = 0;
		return NULL;
	}
}

void SwordSound::stopSpeech(void) {
	_mixer->stopID(SOUND_SPEECH_ID);
}

void SwordSound::initCowSystem(void) {
	char cowName[25];
	sprintf(cowName, "SPEECH%d.CLU", SwordEngine::_systemVars.currentCD);
	_cowFile.open(cowName);
	if (!_cowFile.isOpen()) {
		sprintf(cowName, "speech/SPEECH%d.CLU", SwordEngine::_systemVars.currentCD);
		_cowFile.open(cowName);
	}
	if (_cowFile.isOpen()) {
		_cowHeaderSize = _cowFile.readUint32LE();
		_cowHeader = (uint32*)malloc(_cowHeaderSize);
		if (_cowHeaderSize & 3)
			error("Unexpected cow header size %d", _cowHeaderSize);
		for (uint32 cnt = 0; cnt < (_cowHeaderSize / 4) - 1; cnt++)
			_cowHeader[cnt] = _cowFile.readUint32LE();
		_currentCowFile = SwordEngine::_systemVars.currentCD;
	} else
		warning("SwordSound::initCowSystem: Can't open SPEECH%d.CLU", SwordEngine::_systemVars.currentCD);	
}

void SwordSound::closeCowSystem(void) {
	if (_cowFile.isOpen())
		_cowFile.close();
	if (_cowHeader)
		free(_cowHeader);
	_cowHeader = NULL;
	_currentCowFile = 0;
}