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|
/* 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 "mohawk/cursors.h"
#include "mohawk/myst.h"
#include "mohawk/myst_areas.h"
#include "mohawk/myst_graphics.h"
#include "mohawk/myst_state.h"
#include "mohawk/myst_sound.h"
#include "mohawk/video.h"
#include "mohawk/myst_stacks/mechanical.h"
#include "common/events.h"
#include "common/system.h"
namespace Mohawk {
namespace MystStacks {
Mechanical::Mechanical(MohawkEngine_Myst *vm) :
MystScriptParser(vm),
_state(vm->_gameState->_mechanical) {
setupOpcodes();
_elevatorGoingMiddle = false;
_elevatorPosition = 0;
_elevatorGoingDown = 0;
_elevatorRotationSpeed = 0;
_elevatorRotationGearPosition = 0;
_elevatorRotationSoundId = 0;
_elevatorRotationLeverMoving = false;
_elevatorTooLate = false;
_elevatorInCabin = false;
_elevatorTopCounter = 0;
_elevatorNextTime = 0;
_crystalLit = 0;
_mystStaircaseState = false;
_fortressPosition = 0;
_gearsWereRunning = false;
_fortressRotationShortMovieWorkaround = false;
_fortressRotationShortMovieCount = 0;
_fortressRotationShortMovieLast = 0;
_fortressRotationRunning = false;
_fortressRotationSpeed = 0;
_fortressRotationBrake = 0;
_fortressRotationGears = nullptr;
_fortressSimulationRunning = false;
_fortressSimulationInit = false;
_fortressSimulationSpeed = 0;
_fortressSimulationBrake = 0;
_fortressSimulationStartSound1 = 0;
_fortressSimulationStartSound2 = 0;
_fortressSimulationHolo = nullptr;
_fortressSimulationStartup = nullptr;
_fortressSimulationHoloRate = 0;
_birdSinging = false;
_birdCrankStartTime = 0;
_birdSingEndTime = 0;
_bird = nullptr;
_snakeBox = nullptr;
}
Mechanical::~Mechanical() {
}
void Mechanical::setupOpcodes() {
// "Stack-Specific" Opcodes
REGISTER_OPCODE(100, Mechanical, o_throneEnablePassage);
REGISTER_OPCODE(101, Mechanical, o_birdCrankStart);
REGISTER_OPCODE(102, Mechanical, NOP);
REGISTER_OPCODE(103, Mechanical, o_birdCrankStop);
REGISTER_OPCODE(104, Mechanical, o_snakeBoxTrigger);
REGISTER_OPCODE(105, Mechanical, o_fortressStaircaseMovie);
REGISTER_OPCODE(106, Mechanical, o_elevatorRotationStart);
REGISTER_OPCODE(107, Mechanical, o_elevatorRotationMove);
REGISTER_OPCODE(108, Mechanical, o_elevatorRotationStop);
REGISTER_OPCODE(109, Mechanical, o_fortressRotationSpeedStart);
REGISTER_OPCODE(110, Mechanical, o_fortressRotationSpeedMove);
REGISTER_OPCODE(111, Mechanical, o_fortressRotationSpeedStop);
REGISTER_OPCODE(112, Mechanical, o_fortressRotationBrakeStart);
REGISTER_OPCODE(113, Mechanical, o_fortressRotationBrakeMove);
REGISTER_OPCODE(114, Mechanical, o_fortressRotationBrakeStop);
REGISTER_OPCODE(115, Mechanical, o_fortressSimulationSpeedStart);
REGISTER_OPCODE(116, Mechanical, o_fortressSimulationSpeedMove);
REGISTER_OPCODE(117, Mechanical, o_fortressSimulationSpeedStop);
REGISTER_OPCODE(118, Mechanical, o_fortressSimulationBrakeStart);
REGISTER_OPCODE(119, Mechanical, o_fortressSimulationBrakeMove);
REGISTER_OPCODE(120, Mechanical, o_fortressSimulationBrakeStop);
REGISTER_OPCODE(121, Mechanical, o_elevatorWindowMovie);
REGISTER_OPCODE(122, Mechanical, o_elevatorGoMiddle);
REGISTER_OPCODE(123, Mechanical, o_elevatorTopMovie);
REGISTER_OPCODE(124, Mechanical, o_fortressRotationSetPosition);
REGISTER_OPCODE(125, Mechanical, o_mystStaircaseMovie);
REGISTER_OPCODE(126, Mechanical, o_elevatorWaitTimeout);
REGISTER_OPCODE(127, Mechanical, o_crystalEnterYellow);
REGISTER_OPCODE(128, Mechanical, o_crystalLeaveYellow);
REGISTER_OPCODE(129, Mechanical, o_crystalEnterGreen);
REGISTER_OPCODE(130, Mechanical, o_crystalLeaveGreen);
REGISTER_OPCODE(131, Mechanical, o_crystalEnterRed);
REGISTER_OPCODE(132, Mechanical, o_crystalLeaveRed);
// "Init" Opcodes
REGISTER_OPCODE(200, Mechanical, o_throne_init);
REGISTER_OPCODE(201, Mechanical, o_fortressStaircase_init);
REGISTER_OPCODE(202, Mechanical, o_bird_init);
REGISTER_OPCODE(203, Mechanical, o_snakeBox_init);
REGISTER_OPCODE(204, Mechanical, o_elevatorRotation_init);
REGISTER_OPCODE(205, Mechanical, o_fortressRotation_init);
REGISTER_OPCODE(206, Mechanical, o_fortressSimulation_init);
REGISTER_OPCODE(209, Mechanical, o_fortressSimulationStartup_init);
// "Exit" Opcodes
REGISTER_OPCODE(300, Mechanical, NOP);
}
void Mechanical::disablePersistentScripts() {
_fortressSimulationRunning = false;
_elevatorRotationLeverMoving = false;
_birdSinging = false;
_fortressRotationRunning = false;
}
void Mechanical::runPersistentScripts() {
if (_birdSinging)
birdSing_run();
if (_elevatorRotationLeverMoving)
elevatorRotation_run();
if (_elevatorGoingMiddle)
elevatorGoMiddle_run();
if (_fortressRotationRunning)
fortressRotation_run();
if (_fortressSimulationRunning)
fortressSimulation_run();
}
uint16 Mechanical::getVar(uint16 var) {
switch(var) {
case 0: // Achenar's Secret Panel State
return _state.achenarPanelState;
case 1: // Sirrus's Secret Panel State
return _state.sirrusPanelState;
case 2: // Achenar's Secret Room Crate Lid Open and Blue Page Present
if (_state.achenarCrateOpened) {
if (_globals.bluePagesInBook & 4 || _globals.heldPage == kBlueMechanicalPage)
return 2;
else
return 3;
} else {
return _globals.bluePagesInBook & 4 || _globals.heldPage == kBlueMechanicalPage;
}
case 3: // Achenar's Secret Room Crate State
return _state.achenarCrateOpened;
case 4: // Myst Book Room Staircase State
return _mystStaircaseState;
case 5: // Fortress Position
return _fortressPosition;
case 6: // Fortress Position - Big Cog Visible Through Doorway
return _fortressPosition == 0;
case 7: // Fortress Elevator Open
if (_state.elevatorRotation == 4)
return 1; // Open
else
return 0; // Closed
case 10: // Fortress Staircase State
return _state.staircaseState;
case 11: // Fortress Elevator Rotation Position
return _state.elevatorRotation;
case 12: // Fortress Elevator Rotation Cog Position
return 5 - (uint16)(_elevatorRotationGearPosition + 0.5) % 6;
case 13: // Elevator position
return _elevatorPosition;
case 14: // Elevator going down when at top
if (_elevatorGoingDown && _elevatorTooLate)
return 2;
else
return _elevatorGoingDown;
case 15: // Code Lock Execute Button Script
if (_mystStaircaseState)
return 0;
else if (_state.codeShape[0] == 2 && _state.codeShape[1] == 8
&& _state.codeShape[2] == 5 && _state.codeShape[3] == 1)
return 1;
else
return 2;
case 16: // Code Lock Shape #1 - Left
case 17: // Code Lock Shape #2
case 18: // Code Lock Shape #3
case 19: // Code Lock Shape #4 - Right
return _state.codeShape[var - 16];
case 20: // Crystal Lit Flag - Yellow
return _crystalLit == 3;
case 21: // Crystal Lit Flag - Green
return _crystalLit == 1;
case 22: // Crystal Lit Flag - Red
return _crystalLit == 2;
case 102: // Red page
return !(_globals.redPagesInBook & 4) && (_globals.heldPage != kRedMechanicalPage);
case 103: // Blue page
return !(_globals.bluePagesInBook & 4) && (_globals.heldPage != kBlueMechanicalPage);
default:
return MystScriptParser::getVar(var);
}
}
void Mechanical::toggleVar(uint16 var) {
switch(var) {
case 0: // Achenar's Secret Panel State
_state.achenarPanelState ^= 1;
break;
case 1: // Sirrus's Secret Panel State
_state.sirrusPanelState ^= 1;
break;
case 3: // Achenar's Secret Room Crate State
_state.achenarCrateOpened ^= 1;
break;
case 4: // Myst Book Room Staircase State
_mystStaircaseState ^= 1;
break;
case 10: // Fortress Staircase State
_state.staircaseState ^= 1;
break;
case 16: // Code Lock Shape #1 - Left
case 17: // Code Lock Shape #2
case 18: // Code Lock Shape #3
case 19: // Code Lock Shape #4 - Right
_state.codeShape[var - 16] = (_state.codeShape[var - 16] + 1) % 10;
break;
case 23: // Elevator player is in cabin
_elevatorInCabin = false;
break;
case 102: // Red page
if (!(_globals.redPagesInBook & 4)) {
if (_globals.heldPage == kRedMechanicalPage)
_globals.heldPage = kNoPage;
else
_globals.heldPage = kRedMechanicalPage;
}
break;
case 103: // Blue page
if (!(_globals.bluePagesInBook & 4)) {
if (_globals.heldPage == kBlueMechanicalPage)
_globals.heldPage = kNoPage;
else
_globals.heldPage = kBlueMechanicalPage;
}
break;
default:
MystScriptParser::toggleVar(var);
break;
}
}
bool Mechanical::setVarValue(uint16 var, uint16 value) {
bool refresh = false;
switch (var) {
case 13:
_elevatorPosition = value;
break;
case 14: // Elevator going down when at top
_elevatorGoingDown = value;
break;
default:
refresh = MystScriptParser::setVarValue(var, value);
break;
}
return refresh;
}
void Mechanical::o_throneEnablePassage(uint16 var, const ArgumentsArray &args) {
_vm->_resources[args[0]]->setEnabled(getVar(var));
}
void Mechanical::o_birdCrankStart(uint16 var, const ArgumentsArray &args) {
MystAreaDrag *crank = getInvokingResource<MystAreaDrag>();
uint16 crankSoundId = crank->getList2(0);
_vm->_sound->playEffect(crankSoundId, true);
_birdSingEndTime = 0;
_birdCrankStartTime = _vm->_system->getMillis();
MystAreaVideo *crankMovie = static_cast<MystAreaVideo *>(crank->getSubResource(0));
crankMovie->playMovie();
}
void Mechanical::o_birdCrankStop(uint16 var, const ArgumentsArray &args) {
MystAreaDrag *crank = getInvokingResource<MystAreaDrag>();
MystAreaVideo *crankMovie = static_cast<MystAreaVideo *>(crank->getSubResource(0));
crankMovie->pauseMovie(true);
uint16 crankSoundId = crank->getList2(1);
_vm->_sound->playEffect(crankSoundId);
_birdSingEndTime = 2 * _vm->_system->getMillis() - _birdCrankStartTime;
_birdSinging = true;
_bird->playMovie();
}
void Mechanical::o_snakeBoxTrigger(uint16 var, const ArgumentsArray &args) {
// Used on Mechanical Card 6043 (Weapons Rack with Snake Box)
_snakeBox->playMovie();
}
void Mechanical::o_fortressStaircaseMovie(uint16 var, const ArgumentsArray &args) {
VideoEntryPtr staircase = _vm->playMovie("hhstairs", kMechanicalStack);
staircase->moveTo(174, 222);
if (_state.staircaseState) {
staircase->setBounds(Audio::Timestamp(0, 840, 600), Audio::Timestamp(0, 1680, 600));
} else {
staircase->setBounds(Audio::Timestamp(0, 0, 600), Audio::Timestamp(0, 840, 600));
}
_vm->waitUntilMovieEnds(staircase);
}
void Mechanical::o_elevatorRotationStart(uint16 var, const ArgumentsArray &args) {
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(0);
_elevatorRotationLeverMoving = true;
_elevatorRotationSpeed = 0;
_vm->_sound->stopBackground();
_vm->_cursor->setCursor(700);
}
void Mechanical::o_elevatorRotationMove(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Make the handle follow the mouse
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.bottom - mouse.y) * lever->getNumFrames()) / rect.height();
step = CLIP<int16>(step, 0, maxStep);
_elevatorRotationSpeed = step * 0.1f;
// Draw current frame
lever->drawFrame(step);
}
void Mechanical::o_elevatorRotationStop(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Get current lever frame
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.bottom - mouse.y) * lever->getNumFrames()) / rect.height();
step = CLIP<int16>(step, 0, maxStep);
// Release lever
for (int i = step; i >= 0; i--) {
lever->drawFrame(i);
_vm->doFrame();
}
// Stop persistent script
_elevatorRotationLeverMoving = false;
float speed = _elevatorRotationSpeed * 10;
if (speed > 0) {
// Decrease speed
while (speed > 2) {
speed -= 0.5f;
_elevatorRotationGearPosition += speed * 0.1f;
if (_elevatorRotationGearPosition > 12)
break;
_vm->redrawArea(12);
_vm->wait(100);
}
// Increment position
_state.elevatorRotation = (_state.elevatorRotation + 1) % 10;
_vm->_sound->playEffect(_elevatorRotationSoundId);
_vm->redrawArea(11);
}
_vm->checkCursorHints();
}
void Mechanical::o_fortressRotationSpeedStart(uint16 var, const ArgumentsArray &args) {
_vm->_cursor->setCursor(700);
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(0);
}
void Mechanical::o_fortressRotationSpeedMove(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Make the handle follow the mouse
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.top + 65 - mouse.y) * lever->getNumFrames()) / 65;
step = CLIP<int16>(step, 0, maxStep);
_fortressRotationSpeed = step;
// Draw current frame
lever->drawFrame(step);
}
void Mechanical::o_fortressRotationSpeedStop(uint16 var, const ArgumentsArray &args) {
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Release lever
for (int i = _fortressRotationSpeed; i >= 0; i--) {
lever->drawFrame(i);
_vm->doFrame();
}
_fortressRotationSpeed = 0;
_vm->checkCursorHints();
}
void Mechanical::o_fortressRotationBrakeStart(uint16 var, const ArgumentsArray &args) {
_vm->_cursor->setCursor(700);
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(_fortressRotationBrake);
}
void Mechanical::o_fortressRotationBrakeMove(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Make the handle follow the mouse
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.top + 65 - mouse.y) * lever->getNumFrames()) / 65;
step = CLIP<int16>(step, 0, maxStep);
_fortressRotationBrake = step;
// Draw current frame
lever->drawFrame(step);
}
void Mechanical::o_fortressRotationBrakeStop(uint16 var, const ArgumentsArray &args) {
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(_fortressRotationBrake);
_vm->checkCursorHints();
}
void Mechanical::o_fortressSimulationSpeedStart(uint16 var, const ArgumentsArray &args) {
_vm->_cursor->setCursor(700);
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(0);
}
void Mechanical::o_fortressSimulationSpeedMove(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Make the handle follow the mouse
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.bottom - mouse.y) * lever->getNumFrames()) / rect.height();
step = CLIP<int16>(step, 0, maxStep);
_fortressSimulationSpeed = step;
// Draw current frame
lever->drawFrame(step);
}
void Mechanical::o_fortressSimulationSpeedStop(uint16 var, const ArgumentsArray &args) {
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Release lever
for (int i = _fortressSimulationSpeed; i >= 0; i--) {
lever->drawFrame(i);
_vm->doFrame();
}
_fortressSimulationSpeed = 0;
_vm->checkCursorHints();
}
void Mechanical::o_fortressSimulationBrakeStart(uint16 var, const ArgumentsArray &args) {
_vm->_cursor->setCursor(700);
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(_fortressSimulationBrake);
}
void Mechanical::o_fortressSimulationBrakeMove(uint16 var, const ArgumentsArray &args) {
const Common::Point &mouse = _vm->_system->getEventManager()->getMousePos();
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
// Make the handle follow the mouse
int16 maxStep = lever->getNumFrames() - 1;
Common::Rect rect = lever->getRect();
int16 step = ((rect.bottom - mouse.y) * lever->getNumFrames()) / rect.height();
step = CLIP<int16>(step, 0, maxStep);
_fortressSimulationBrake = step;
// Draw current frame
lever->drawFrame(step);
}
void Mechanical::o_fortressSimulationBrakeStop(uint16 var, const ArgumentsArray &args) {
MystVideoInfo *lever = getInvokingResource<MystVideoInfo>();
lever->drawFrame(_fortressSimulationBrake);
_vm->checkCursorHints();
}
void Mechanical::o_elevatorWindowMovie(uint16 var, const ArgumentsArray &args) {
uint16 startTime = args[0];
uint16 endTime = args[1];
VideoEntryPtr window = _vm->playMovie("ewindow", kMechanicalStack);
window->moveTo(253, 0);
window->setBounds(Audio::Timestamp(0, startTime, 600), Audio::Timestamp(0, endTime, 600));
_vm->waitUntilMovieEnds(window);
}
void Mechanical::o_elevatorGoMiddle(uint16 var, const ArgumentsArray &args) {
_elevatorTooLate = false;
_elevatorTopCounter = 5;
_elevatorGoingMiddle = true;
_elevatorInCabin = true;
_elevatorNextTime = _vm->_system->getMillis() + 1000;
}
void Mechanical::elevatorGoMiddle_run() {
uint32 time = _vm->_system->getMillis();
if (_elevatorNextTime < time) {
_elevatorNextTime = time + 1000;
_elevatorTopCounter--;
if (_elevatorTopCounter > 0) {
// Draw button pressed
if (_elevatorInCabin) {
_vm->_gfx->copyImageSectionToScreen(6332, Common::Rect(0, 35, 51, 63), Common::Rect(10, 137, 61, 165));
}
// Blip
_vm->playSoundBlocking(14120);
// Restore button
if (_elevatorInCabin) {
_vm->_gfx->copyBackBufferToScreen(Common::Rect(10, 137, 61, 165));
}
} else {
_elevatorTooLate = true;
_elevatorGoingMiddle = false;
if (_elevatorInCabin) {
// Elevator going to middle animation
_vm->_cursor->hideCursor();
_vm->playSoundBlocking(11120);
_vm->_gfx->copyImageToBackBuffer(6118, Common::Rect(544, 333));
_vm->_sound->playEffect(12120);
_vm->_gfx->runTransition(kTransitionSlideToLeft, Common::Rect(177, 0, 370, 333), 25, 0);
_vm->playSoundBlocking(13120);
_vm->_sound->playEffect(8120);
_vm->_gfx->copyImageToBackBuffer(6327, Common::Rect(544, 333));
_vm->wait(500);
_vm->_sound->playEffect(9120);
static uint16 moviePos[2] = { 3540, 5380 };
o_elevatorWindowMovie(0, ArgumentsArray(moviePos, ARRAYSIZE(moviePos)));
_vm->_gfx->copyBackBufferToScreen(Common::Rect(544, 333));
_vm->_sound->playEffect(10120);
_vm->_cursor->showCursor();
_elevatorPosition = 1;
_vm->changeToCard(6327, kTransitionRightToLeft);
}
}
}
}
void Mechanical::o_elevatorTopMovie(uint16 var, const ArgumentsArray &args) {
uint16 startTime = args[0];
uint16 endTime = args[1];
VideoEntryPtr window = _vm->playMovie("hcelev", kMechanicalStack);
window->moveTo(206, 38);
window->setBounds(Audio::Timestamp(0, startTime, 600), Audio::Timestamp(0, endTime, 600));
_vm->waitUntilMovieEnds(window);
}
void Mechanical::o_fortressRotationSetPosition(uint16 var, const ArgumentsArray &args) {
VideoEntryPtr gears = _fortressRotationGears->getVideo();
uint32 moviePosition = Audio::Timestamp(gears->getTime(), 600).totalNumberOfFrames();
// Myst ME short movie workaround, explained in o_fortressRotation_init
if (_fortressRotationShortMovieWorkaround) {
moviePosition += 3600 * _fortressRotationShortMovieCount;
}
_fortressPosition = (moviePosition + 900) / 1800 % 4;
// Stop the gears video so that it does not play while the elevator is going up
_fortressRotationGears->getVideo()->stop();
}
void Mechanical::o_mystStaircaseMovie(uint16 var, const ArgumentsArray &args) {
_vm->playMovieBlocking("sstairs", kMechanicalStack, 199, 108);
}
void Mechanical::o_elevatorWaitTimeout(uint16 var, const ArgumentsArray &args) {
// Wait while the elevator times out
while (_elevatorGoingMiddle) {
runPersistentScripts();
_vm->doFrame();
}
}
void Mechanical::o_crystalEnterYellow(uint16 var, const ArgumentsArray &args) {
_crystalLit = 3;
_vm->redrawArea(20);
}
void Mechanical::o_crystalEnterGreen(uint16 var, const ArgumentsArray &args) {
_crystalLit = 1;
_vm->redrawArea(21);
}
void Mechanical::o_crystalEnterRed(uint16 var, const ArgumentsArray &args) {
_crystalLit = 2;
_vm->redrawArea(22);
}
void Mechanical::o_crystalLeaveYellow(uint16 var, const ArgumentsArray &args) {
_crystalLit = 0;
_vm->redrawArea(20);
}
void Mechanical::o_crystalLeaveGreen(uint16 var, const ArgumentsArray &args) {
_crystalLit = 0;
_vm->redrawArea(21);
}
void Mechanical::o_crystalLeaveRed(uint16 var, const ArgumentsArray &args) {
_crystalLit = 0;
_vm->redrawArea(22);
}
void Mechanical::o_throne_init(uint16 var, const ArgumentsArray &args) {
// Used on Card 6238 (Sirrus' Throne) and Card 6027 (Achenar's Throne)
getInvokingResource<MystArea>()->setEnabled(getVar(var));
}
void Mechanical::o_fortressStaircase_init(uint16 var, const ArgumentsArray &args) {
_vm->_resources[args[0]]->setEnabled(!_state.staircaseState);
_vm->_resources[args[1]]->setEnabled(!_state.staircaseState);
_vm->_resources[args[2]]->setEnabled(_state.staircaseState);
}
void Mechanical::birdSing_run() {
// Used for Card 6220 (Sirrus' Mechanical Bird)
uint32 time = _vm->_system->getMillis();
if (_birdSingEndTime < time) {
_bird->pauseMovie(true);
_vm->_sound->stopEffect();
_birdSinging = false;
}
}
void Mechanical::o_bird_init(uint16 var, const ArgumentsArray &args) {
_birdSinging = false;
_birdSingEndTime = 0;
_bird = getInvokingResource<MystAreaVideo>();
}
void Mechanical::o_snakeBox_init(uint16 var, const ArgumentsArray &args) {
_snakeBox = getInvokingResource<MystAreaVideo>();
}
void Mechanical::elevatorRotation_run() {
_vm->redrawArea(12);
_elevatorRotationGearPosition += _elevatorRotationSpeed;
if (_elevatorRotationGearPosition > 12) {
uint16 position = (uint16)_elevatorRotationGearPosition;
_elevatorRotationGearPosition = _elevatorRotationGearPosition - position + position % 6;
_state.elevatorRotation = (_state.elevatorRotation + 1) % 10;
_vm->_sound->playEffect(_elevatorRotationSoundId);
_vm->redrawArea(11);
_vm->wait(100);
}
}
void Mechanical::o_elevatorRotation_init(uint16 var, const ArgumentsArray &args) {
_elevatorRotationSoundId = args[0];
_elevatorRotationGearPosition = 0;
_elevatorRotationLeverMoving = false;
}
void Mechanical::fortressRotation_run() {
VideoEntryPtr gears = _fortressRotationGears->getVideo();
double oldRate = gears->getRate().toDouble();
uint32 moviePosition = Audio::Timestamp(gears->getTime(), 600).totalNumberOfFrames();
// Myst ME short movie workaround, explained in o_fortressRotation_init
if (_fortressRotationShortMovieWorkaround) {
// Detect if we just looped
if (ABS<int32>(_fortressRotationShortMovieLast - 3680) < 50
&& ABS<int32>(moviePosition) < 50) {
_fortressRotationShortMovieCount++;
}
_fortressRotationShortMovieLast = moviePosition;
// Simulate longer movie
moviePosition += 3600 * _fortressRotationShortMovieCount;
}
int32 positionInQuarter = 900 - (moviePosition + 900) % 1800;
// Are the gears moving?
if (oldRate >= 0.1 || ABS<int32>(positionInQuarter) >= 30 || _fortressRotationBrake) {
double newRate = oldRate;
if (_fortressRotationBrake && (double)_fortressRotationBrake * 0.2 > oldRate) {
newRate += 0.1;
}
// Don't let the gears get stuck between two fortress positions
if (ABS<double>(oldRate) <= 0.05) {
if (oldRate <= 0.0) {
newRate += oldRate;
} else {
newRate -= oldRate;
}
} else {
if (oldRate <= 0.0) {
newRate += 0.05;
} else {
newRate -= 0.05;
}
}
// Adjust speed accordingly to acceleration lever
newRate += (double) (positionInQuarter / 1500.0)
* (double) (9 - _fortressRotationSpeed) / 9.0;
newRate = CLIP<double>(newRate, -2.5, 2.5);
gears->setRate(Common::Rational((int)(newRate * 1000.0), 1000));
_gearsWereRunning = true;
} else if (_gearsWereRunning) {
// The fortress has stopped. Set its new position
_fortressPosition = (moviePosition + 900) / 1800 % 4;
gears->setRate(0);
if (!_fortressRotationShortMovieWorkaround) {
gears->seek(Audio::Timestamp(0, 1800 * _fortressPosition, 600));
} else {
gears->seek(Audio::Timestamp(0, 1800 * (_fortressPosition % 2), 600));
}
_vm->playSoundBlocking(_fortressRotationSounds[_fortressPosition]);
_gearsWereRunning = false;
}
}
void Mechanical::o_fortressRotation_init(uint16 var, const ArgumentsArray &args) {
_fortressRotationGears = getInvokingResource<MystAreaVideo>();
VideoEntryPtr gears = _fortressRotationGears->playMovie();
gears->setLooping(true);
gears->seek(Audio::Timestamp(0, 1800 * _fortressPosition, 600));
gears->setRate(0);
_fortressRotationSounds[0] = args[0];
_fortressRotationSounds[1] = args[1];
_fortressRotationSounds[2] = args[2];
_fortressRotationSounds[3] = args[3];
_fortressRotationBrake = 0;
// WORKAROUND for the tower rotation bug in Myst ME.
// The original engine only allowed to visit two out of the three small islands,
// preventing the game from being fully completable.
// The fortress rotation is computed from the current position in the movie
// hcgears.mov. The version of this movie that shipped with the ME edition is
// too short to allow to visit all the islands.
// ScummVM simulates a longer movie by counting the number of times the movie
// looped and adding that time to the current movie position.
// Hence allowing the fortress position to be properly computed.
uint32 movieDuration = gears->getDuration().convertToFramerate(600).totalNumberOfFrames();
if (movieDuration == 3680) {
_fortressRotationShortMovieWorkaround = true;
_fortressRotationShortMovieCount = 0;
_fortressRotationShortMovieLast = 0;
}
_fortressRotationRunning = true;
_gearsWereRunning = false;
}
void Mechanical::fortressSimulation_run() {
if (_fortressSimulationInit) {
// Init sequence
_vm->_sound->playBackground(_fortressSimulationStartSound1, 65535);
_vm->wait(5000, true);
VideoEntryPtr startup = _fortressSimulationStartup->playMovie();
_vm->playSoundBlocking(_fortressSimulationStartSound2);
_vm->_sound->playBackground(_fortressSimulationStartSound1, 65535);
_vm->waitUntilMovieEnds(startup);
_vm->_sound->stopBackground();
_vm->_sound->playEffect(_fortressSimulationStartSound2);
Common::Rect src = Common::Rect(0, 0, 176, 176);
Common::Rect dst = Common::Rect(187, 3, 363, 179);
_vm->_gfx->copyImageSectionToBackBuffer(6046, src, dst);
_vm->_gfx->copyBackBufferToScreen(dst);
_fortressSimulationStartup->pauseMovie(true);
VideoEntryPtr holo = _fortressSimulationHolo->playMovie();
holo->setLooping(true);
holo->setRate(0);
// HACK: Support negative rates with edit lists
_fortressSimulationHoloRate = 0;
// END HACK
_vm->_cursor->showCursor();
_fortressSimulationInit = false;
} else {
VideoEntryPtr holo = _fortressSimulationHolo->getVideo();
double oldRate = holo->getRate().toDouble();
// HACK: Support negative rates with edit lists
oldRate = _fortressSimulationHoloRate;
// END HACK
uint32 moviePosition = Audio::Timestamp(holo->getTime(), 600).totalNumberOfFrames();
int32 positionInQuarter = 900 - (moviePosition + 900) % 1800;
// Are the gears moving?
if (oldRate >= 0.1 || ABS<int32>(positionInQuarter) >= 30 || _fortressSimulationBrake) {
double newRate = oldRate;
if (_fortressSimulationBrake && (double)_fortressSimulationBrake * 0.2 > oldRate) {
newRate += 0.1;
}
// Don't let the gears get stuck between two fortress positions
if (ABS<double>(oldRate) <= 0.05) {
if (oldRate <= 0.0) {
newRate += oldRate;
} else {
newRate -= oldRate;
}
} else {
if (oldRate <= 0.0) {
newRate += 0.05;
} else {
newRate -= 0.05;
}
}
// Adjust speed accordingly to acceleration lever
newRate += (double) (positionInQuarter / 1500.0)
* (double) (9 - _fortressSimulationSpeed) / 9.0;
newRate = CLIP<double>(newRate, -2.5, 2.5);
// HACK: Support negative rates with edit lists
// Our current QuickTime implementation does not support negative
// playback rates for movies using edit lists.
// The fortress rotation simulator movie this code handles is the
// only movie in the game requiring that feature.
// This hack approximates the next frame to display when the rate
// is negative, and seeks to it. It's not intended to be precise.
_fortressSimulationHoloRate = newRate;
if (_fortressSimulationHoloRate < 0) {
double newMoviePosition = moviePosition + _fortressSimulationHoloRate * 10;
holo->setRate(0);
holo->seek(Audio::Timestamp(0, (uint)newMoviePosition, 600));
} else {
holo->setRate(Common::Rational((int)(newRate * 1000.0), 1000));
}
// END HACK
_gearsWereRunning = true;
} else if (_gearsWereRunning) {
// The fortress has stopped. Set its new position
uint16 simulationPosition = (moviePosition + 900) / 1800 % 4;
holo->setRate(0);
// HACK: Support negative rates with edit lists
_fortressSimulationHoloRate = 0;
// END HACK
holo->seek(Audio::Timestamp(0, 1800 * simulationPosition, 600));
_vm->playSoundBlocking( _fortressRotationSounds[simulationPosition]);
_gearsWereRunning = false;
}
}
}
void Mechanical::o_fortressSimulation_init(uint16 var, const ArgumentsArray &args) {
_fortressSimulationHolo = getInvokingResource<MystAreaVideo>();
_fortressSimulationStartSound1 = args[0];
_fortressSimulationStartSound2 = args[1];
_fortressRotationSounds[0] = args[2];
_fortressRotationSounds[1] = args[3];
_fortressRotationSounds[2] = args[4];
_fortressRotationSounds[3] = args[5];
_fortressSimulationBrake = 0;
_fortressSimulationRunning = true;
_gearsWereRunning = false;
_fortressSimulationInit = true;
_vm->_cursor->hideCursor();
}
void Mechanical::o_fortressSimulationStartup_init(uint16 var, const ArgumentsArray &args) {
_fortressSimulationStartup = getInvokingResource<MystAreaVideo>();
}
} // End of namespace MystStacks
} // End of namespace Mohawk
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