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Diffstat (limited to 'engines/avalanche/sequence.cpp')
| -rw-r--r-- | engines/avalanche/sequence.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/engines/avalanche/sequence.cpp b/engines/avalanche/sequence.cpp new file mode 100644 index 0000000000..3a60c4ec1d --- /dev/null +++ b/engines/avalanche/sequence.cpp @@ -0,0 +1,230 @@ +/* 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. + * + */ + +/* + * This code is based on the original source code of Lord Avalot d'Argent version 1.3. + * Copyright (c) 1994-1995 Mike, Mark and Thomas Thurman. + */ + +/* SEQUENCE The sequencer. */ + +#include "avalanche/avalanche.h" +#include "avalanche/sequence.h" + +namespace Avalanche { + +Sequence::Sequence(AvalancheEngine *vm) { + _vm = vm; + + resetVariables(); +} + +void Sequence::resetVariables() { + _flipToWhere = kRoomNowhere; + _flipToPed = 0; +} + +void Sequence::init(byte what) { + _seq[0] = what; + + for (int i = 1; i < kSeqLength; i++) + _seq[i] = 0; +} + +void Sequence::add(byte what) { + for (int16 i = 0; i < kSeqLength; i++) { + if (_seq[i] == 0) { + _seq[i] = what; + return; + } + } +} + +void Sequence::switchRoom(Room where, byte ped) { + add(kNowFlip); + + _flipToWhere = where; + _flipToPed = ped; +} + +void Sequence::startTimer() { + _vm->_timer->loseTimer(Timer::kReasonSequencer); + _vm->_timer->addTimer(7, Timer::kProcSequence, Timer::kReasonSequencer); +} + +void Sequence::startTimerImmobilized() { + // They can't move. + _vm->_userMovesAvvy = false; + // And they're not moving now. + _vm->_animation->stopWalking(); + // Apart from that, it's the same thing. + startTimer(); +} + +void Sequence::shoveLeft() { + for (uint i = 0; i < kSeqLength - 1; i++) + _seq[i] = _seq[i + 1]; + _seq[kSeqLength - 1] = 0; +} + +void Sequence::callSequencer() { + byte curSeq = _seq[0]; + + switch (curSeq) { + case 0: + // No more routines. + return; + break; + case kNowFlip: + // Flip room. + _vm->_userMovesAvvy = true; + _vm->flipRoom(_flipToWhere, _flipToPed); + shoveLeft(); + break; + } + + if (curSeq <= 176) { + // Show a frame. + _vm->_background->draw(-1, -1, curSeq - 1); + shoveLeft(); + } + + // Make sure this PROC gets called again. + startTimer(); +} + +void Sequence::startHallSeq(Room whither, byte ped) { + init(1); + add(2); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startOutsideSeq(Room whither, byte ped) { + init(1); + add(2); + add(3); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startCardiffSeq(Room whither, byte ped) { + init(1); + add(5); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startNaughtyDukeSeq() { + init(2); + startTimer(); +} + +void Sequence::startGardenSeq() { + init(2); + add(1); + add(3); + startTimer(); +} + +void Sequence::startDuckSeq() { + init(3); + add(2); + add(1); + add(4); + startTimer(); +} + +void Sequence::startLustiesSeq3(Room whither, byte ped) { + init(4); + add(5); + add(6); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startMusicRoomSeq2(Room whither, byte ped) { + init(5); + add(6); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startGeidaLuteSeq() { + init(5); + // He falls asleep... + add(6); + // Not really closing, but we're using the same procedure. + startTimer(); +} + +void Sequence::startMusicRoomSeq() { + init(6); + add(5); + add(7); + startTimer(); +} + +void Sequence::startWinSeq() { + init(7); + add(8); + add(9); + startTimer(); +} + +void Sequence::startCupboardSeq() { + init(8); + add(7); + startTimer(); +} + +void Sequence::startLustiesSeq2(Room whither, byte ped) { + init(8); + add(9); + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::startCardiffSeq2() { + init(1); + if (_vm->_arrowInTheDoor) + add(3); + else + add(2); + + if (_vm->_takenPen) + _vm->_background->draw(-1, -1, 3); + + startTimer(); +} + +void Sequence::startDummySeq(Room whither, byte ped) { + switchRoom(whither, ped); + startTimerImmobilized(); +} + +void Sequence::synchronize(Common::Serializer &sz) { + sz.syncBytes(_seq, kSeqLength); + sz.syncAsByte(_flipToWhere); + sz.syncAsByte(_flipToPed); +} +} // End of namespace Avalanche. |