aboutsummaryrefslogtreecommitdiff
path: root/engines/scumm/player_v3a.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/scumm/player_v3a.cpp')
-rw-r--r--engines/scumm/player_v3a.cpp357
1 files changed, 0 insertions, 357 deletions
diff --git a/engines/scumm/player_v3a.cpp b/engines/scumm/player_v3a.cpp
deleted file mode 100644
index 472cd1252b..0000000000
--- a/engines/scumm/player_v3a.cpp
+++ /dev/null
@@ -1,357 +0,0 @@
-/* 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 "engines/engine.h"
-#include "scumm/player_v3a.h"
-#include "scumm/scumm.h"
-
-namespace Scumm {
-
-static const uint16 note_freqs[4][12] = {
- {0x06B0, 0x0650, 0x05F4, 0x05A0, 0x054C, 0x0500, 0x04B8, 0x0474, 0x0434, 0x03F8, 0x03C0, 0x0388},
- {0x0358, 0x0328, 0x02FA, 0x02D0, 0x02A6, 0x0280, 0x025C, 0x023A, 0x021A, 0x01FC, 0x01E0, 0x01C4},
- {0x01AC, 0x0194, 0x017D, 0x0168, 0x0153, 0x0140, 0x012E, 0x011D, 0x010D, 0x00FE, 0x00F0, 0x00E2},
- {0x00D6, 0x00CA, 0x00BE, 0x00B4, 0x00A9, 0x00A0, 0x0097, 0x008E, 0x0086, 0x007F, 0x00F0, 0x00E2}
-};
-
-Player_V3A::Player_V3A(ScummEngine *scumm, Audio::Mixer *mixer) {
- int i;
- _vm = scumm;
- for (i = 0; i < V3A_MAXMUS; i++) {
- _mus[i].id = 0;
- _mus[i].dur = 0;
- }
- for (i = 0; i < V3A_MAXSFX; i++) {
- _sfx[i].id = 0;
- _sfx[i].dur = 0;
- }
-
- _curSong = 0;
- _songData = NULL;
- _songPtr = 0;
- _songDelay = 0;
-
- _music_timer = 0;
-
- _isinit = false;
-
- _mod = new Player_MOD(mixer);
- _mod->setUpdateProc(update_proc, this, 60);
-}
-
-Player_V3A::~Player_V3A() {
- int i;
- delete _mod;
- if (_isinit) {
- for (i = 0; _wavetable[i] != NULL; i++) {
- for (int j = 0; j < 6; j++) {
- free(_wavetable[i]->_idat[j]);
- free(_wavetable[i]->_ldat[j]);
- }
- free(_wavetable[i]);
- }
- free(_wavetable);
- }
-}
-
-void Player_V3A::setMusicVolume (int vol) {
- _mod->setMusicVolume(vol);
-}
-
-int Player_V3A::getMusChan (int id) const {
- int i;
- for (i = 0; i < V3A_MAXMUS; i++) {
- if (_mus[i].id == id)
- break;
- }
- if (i == V3A_MAXMUS) {
- if (id == 0)
- warning("player_v3a - out of music channels");
- return -1;
- }
- return i;
-}
-int Player_V3A::getSfxChan (int id) const {
- int i;
- for (i = 0; i < V3A_MAXSFX; i++) {
- if (_sfx[i].id == id)
- break;
- }
- if (i == V3A_MAXSFX) {
- if (id == 0)
- warning("player_v3a - out of sfx channels");
- return -1;
- }
- return i;
-}
-
-void Player_V3A::stopAllSounds() {
- int i;
- for (i = 0; i < V3A_MAXMUS; i++) {
- if (_mus[i].id)
- _mod->stopChannel(_mus[i].id);
- _mus[i].id = 0;
- _mus[i].dur = 0;
- }
- _curSong = 0;
- _songPtr = 0;
- _songDelay = 0;
- _songData = NULL;
- for (i = 0; i < V3A_MAXSFX; i++) {
- if (_sfx[i].id)
- _mod->stopChannel(_sfx[i].id | 0x100);
- _sfx[i].id = 0;
- _sfx[i].dur = 0;
- }
-}
-
-void Player_V3A::stopSound(int nr) {
- int i;
- if (nr == 0) { // Amiga Loom does this near the end, when Chaos casts SILENCE on Hetchel
- stopAllSounds();
- return;
- }
- if (nr == _curSong) {
- for (i = 0; i < V3A_MAXMUS; i++) {
- if (_mus[i].id)
- _mod->stopChannel(_mus[i].id);
- _mus[i].id = 0;
- _mus[i].dur = 0;
- }
- _curSong = 0;
- _songPtr = 0;
- _songDelay = 0;
- _songData = NULL;
- } else {
- i = getSfxChan(nr);
- if (i != -1) {
- _mod->stopChannel(nr | 0x100);
- _sfx[i].id = 0;
- _sfx[i].dur = 0;
- }
- }
-}
-
-void Player_V3A::startSound(int nr) {
- assert(_vm);
- byte *data = _vm->getResourceAddress(rtSound, nr);
- assert(data);
-
- if ((_vm->_game.id != GID_INDY3) && (_vm->_game.id != GID_LOOM))
- error("player_v3a - unknown game");
-
- if (!_isinit) {
- int i;
- unsigned char *ptr;
- int offset = 4;
- int numInstruments;
-
- if (_vm->_game.id == GID_INDY3) {
- ptr = _vm->getResourceAddress(rtSound, 83);
- numInstruments = 12;
- } else {
- ptr = _vm->getResourceAddress(rtSound, 79);
- numInstruments = 9;
- }
- assert(ptr);
- _wavetable = (instData **)malloc((numInstruments + 1) * sizeof(void *));
- for (i = 0; i < numInstruments; i++) {
- _wavetable[i] = (instData *)malloc(sizeof(instData));
- for (int j = 0; j < 6; j++) {
- int off, len;
- off = READ_BE_UINT16(ptr + offset + 0);
- _wavetable[i]->_ilen[j] = len = READ_BE_UINT16(ptr + offset + 2);
- if (len) {
- _wavetable[i]->_idat[j] = (char *)malloc(len);
- memcpy(_wavetable[i]->_idat[j],ptr + off,len);
- } else _wavetable[i]->_idat[j] = NULL;
- off = READ_BE_UINT16(ptr + offset + 4);
- _wavetable[i]->_llen[j] = len = READ_BE_UINT16(ptr + offset + 6);
- if (len) {
- _wavetable[i]->_ldat[j] = (char *)malloc(len);
- memcpy(_wavetable[i]->_ldat[j],ptr + off,len);
- } else _wavetable[i]->_ldat[j] = NULL;
- _wavetable[i]->_oct[j] = READ_BE_UINT16(ptr + offset + 8);
- offset += 10;
- }
- if (_vm->_game.id == GID_INDY3) {
- _wavetable[i]->_pitadjust = 0;
- offset += 2;
- } else {
- _wavetable[i]->_pitadjust = READ_BE_UINT16(ptr + offset + 2);
- offset += 4;
- }
- }
- _wavetable[i] = NULL;
- _isinit = true;
- }
-
- if (getSoundStatus(nr))
- stopSound(nr); // if a sound is playing, restart it
-
- if (data[26]) {
- if (_curSong)
- stopSound(_curSong);
- _curSong = nr;
- _songData = data;
- _songPtr = 0x1C;
- _songDelay = 1;
- _music_timer = 0;
- } else {
- int size = READ_BE_UINT16(data + 12);
- int rate = 3579545 / READ_BE_UINT16(data + 20);
- char *sound = (char *)malloc(size);
- int vol = (data[24] << 1) | (data[24] >> 5); // if I boost this to 0-255, it gets too loud and starts to clip
- memcpy(sound, data + READ_BE_UINT16(data + 8), size);
- int loopStart = 0, loopEnd = 0;
- int loopcount = data[27];
- if (loopcount > 1) {
- loopStart = READ_BE_UINT16(data + 10) - READ_BE_UINT16(data + 8);
- loopEnd = READ_BE_UINT16(data + 14);
- }
- int i = getSfxChan();
- if (i == -1) {
- free(sound);
- return;
- }
- _sfx[i].id = nr;
- _sfx[i].dur = 1 + loopcount * 60 * size / rate;
- if (READ_BE_UINT16(data + 16)) {
- _sfx[i].rate = READ_BE_UINT16(data + 20) << 16;
- _sfx[i].delta = (int32)READ_BE_UINT32(data + 32);
- _sfx[i].dur = READ_BE_UINT32(data + 40);
- } else {
- _sfx[i].delta = 0;
- }
- _mod->startChannel(nr | 0x100, sound, size, rate, vol, loopStart, loopEnd);
- }
-}
-
-void Player_V3A::update_proc(void *param) {
- ((Player_V3A *)param)->playMusic();
-}
-
-void Player_V3A::playMusic() {
- int i;
- for (i = 0; i < V3A_MAXMUS; i++) {
- if (_mus[i].id) {
- _mus[i].dur--;
- if (_mus[i].dur)
- continue;
- _mod->stopChannel(_mus[i].id);
- _mus[i].id = 0;
- }
- }
- for (i = 0; i < V3A_MAXSFX; i++) {
- if (_sfx[i].id) {
- if (_sfx[i].delta) {
- uint16 oldrate = _sfx[i].rate >> 16;
- _sfx[i].rate += _sfx[i].delta;
- if (_sfx[i].rate < (55 << 16))
- _sfx[i].rate = 55 << 16; // at rates below 55, frequency
- uint16 newrate = _sfx[i].rate >> 16; // exceeds 65536, which is bad
- if (oldrate != newrate)
- _mod->setChannelFreq(_sfx[i].id | 0x100, 3579545 / newrate);
- }
- _sfx[i].dur--;
- if (_sfx[i].dur)
- continue;
- _mod->stopChannel(_sfx[i].id | 0x100);
- _sfx[i].id = 0;
- }
- }
-
- _music_timer++;
- if (!_curSong)
- return;
- if (_songDelay && --_songDelay)
- return;
- if (_songPtr == 0) {
- // at the end of the song, and it wasn't looped - kill it
- _curSong = 0;
- return;
- }
- while (1) {
- int inst, pit, vol, dur, oct;
- inst = _songData[_songPtr++];
- if ((inst & 0xF0) != 0x80) {
- // tune is at the end - figure out what's still playing
- // and see how long we have to wait until we stop/restart
- for (i = 0; i < V3A_MAXMUS; i++) {
- if (_songDelay < _mus[i].dur)
- _songDelay = _mus[i].dur;
- }
- if (inst == 0xFB) // it's a looped song, restart it afterwards
- _songPtr = 0x1C;
- else _songPtr = 0; // otherwise, terminate it
- break;
- }
- inst &= 0xF;
- pit = _songData[_songPtr++];
- vol = _songData[_songPtr++] & 0x7F; // if I boost this to 0-255, it gets too loud and starts to clip
- dur = _songData[_songPtr++];
- if (pit == 0) {
- _songDelay = dur;
- break;
- }
- pit += _wavetable[inst]->_pitadjust;
- oct = (pit / 12) - 2;
- pit = pit % 12;
- if (oct < 0)
- oct = 0;
- if (oct > 5)
- oct = 5;
- int rate = 3579545 / note_freqs[_wavetable[inst]->_oct[oct]][pit];
- if (!_wavetable[inst]->_llen[oct])
- dur = _wavetable[inst]->_ilen[oct] * 60 / rate;
- char *data = (char *)malloc(_wavetable[inst]->_ilen[oct] + _wavetable[inst]->_llen[oct]);
- if (_wavetable[inst]->_idat[oct])
- memcpy(data, _wavetable[inst]->_idat[oct], _wavetable[inst]->_ilen[oct]);
- if (_wavetable[inst]->_ldat[oct])
- memcpy(data + _wavetable[inst]->_ilen[oct], _wavetable[inst]->_ldat[oct], _wavetable[inst]->_llen[oct]);
-
- i = getMusChan();
- if (i == -1) {
- free(data);
- return;
- }
- _mus[i].id = i + 1;
- _mus[i].dur = dur + 1;
- _mod->startChannel(_mus[i].id, data, _wavetable[inst]->_ilen[oct] + _wavetable[inst]->_llen[oct], rate, vol,
- _wavetable[inst]->_ilen[oct], _wavetable[inst]->_ilen[oct] + _wavetable[inst]->_llen[oct]);
- }
-}
-
-int Player_V3A::getMusicTimer() {
- return _music_timer / 30;
-}
-
-int Player_V3A::getSoundStatus(int nr) const {
- if (nr == _curSong)
- return 1;
- if (getSfxChan(nr) != -1)
- return 1;
- return 0;
-}
-
-} // End of namespace Scumm