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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.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* 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 "common/debug.h"
#include "common/stream.h"
#include "pegasus/compass.h"
#include "pegasus/gamestate.h"
#include "pegasus/input.h"
#include "pegasus/pegasus.h"
#include "pegasus/neighborhood/neighborhood.h"
namespace Pegasus {
StriderCallBack::StriderCallBack(Neighborhood *neighborhood) {
_neighborhood = neighborhood;
}
void StriderCallBack::callBack() {
_neighborhood->checkStriding();
}
static const TimeValue kStridingSlop = 39;
Neighborhood *g_neighborhood = 0;
Neighborhood::Neighborhood(InputHandler *nextHandler, PegasusEngine *vm, const Common::String &resName, tNeighborhoodID id)
: InputHandler(nextHandler), IDObject(id), _vm(vm), _resName(resName), _navMovie(kNavMovieID), _stridingCallBack(this),
_neighborhoodNotification(kNeighborhoodNotificationID, (NotificationManager *)vm) {
GameState.setOpenDoorLocation(kNoRoomID, kNoDirection);
_currentAlternate = 0;
_interruptionFilter = kFilterAllInput;
g_neighborhood = this;
}
Neighborhood::~Neighborhood() {
for (HotspotIterator it = _neighborhoodHotspots.begin(); it != _neighborhoodHotspots.end(); it++)
g_allHotspots.remove(*it);
_neighborhoodHotspots.deleteHotspots();
g_neighborhood = 0;
}
void Neighborhood::init() {
debug(0, "Loading '%s' neighborhood resources", _resName.c_str());
Common::SeekableReadStream *stream = _vm->_resFork->getResource(_doorTable.getResTag(), _resName);
if (!stream)
error("Failed to load doors");
_doorTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_exitTable.getResTag(), _resName);
if (!stream)
error("Failed to load exits");
_exitTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_extraTable.getResTag(), _resName);
if (!stream)
error("Failed to load extras");
_extraTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_hotspotInfoTable.getResTag(), _resName);
if (!stream)
error("Failed to load hotspot info");
_hotspotInfoTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_spotTable.getResTag(), _resName);
if (!stream)
error("Failed to load spots");
_spotTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_turnTable.getResTag(), _resName);
if (!stream)
error("Failed to load turns");
_turnTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_viewTable.getResTag(), _resName);
if (!stream)
error("Failed to load views");
_viewTable.loadFromStream(stream);
delete stream;
stream = _vm->_resFork->getResource(_zoomTable.getResTag(), _resName);
if (!stream)
error("Failed to load zooms");
_zoomTable.loadFromStream(stream);
delete stream;
createNeighborhoodSpots();
loadSoundSpots();
// TODO: AI, movies, notifications, buncha other stuff
}
void Neighborhood::start() {
GameState.setCurrentRoom(GameState.getLastRoom());
GameState.setCurrentDirection(GameState.getLastDirection());
arriveAt(GameState.getNextRoom(), GameState.getNextDirection());
}
void Neighborhood::receiveNotification(Notification *, const tNotificationFlags flags) {
if (flags & kMoveForwardCompletedFlag)
arriveAt(GameState.getNextRoom(), GameState.getNextDirection());
// TODO: Other types
}
void Neighborhood::arriveAt(tRoomID room, tDirectionConstant direction) {
// TODO
}
// These functions can be overridden to tweak the exact frames used.
void Neighborhood::getExitEntry(const tRoomID room, const tDirectionConstant direction, ExitTable::Entry &entry) {
entry = _exitTable.findEntry(room, direction, _currentAlternate);
if (entry.isEmpty())
entry = _exitTable.findEntry(room, direction, kNoAlternateID);
}
TimeValue Neighborhood::getViewTime(const tRoomID room, const tDirectionConstant direction) {
if (GameState.getOpenDoorRoom() == room && GameState.getOpenDoorDirection() == direction) {
// If we get here, the door entry for this location must exist.
DoorTable::Entry doorEntry = _doorTable.findEntry(room, direction, _currentAlternate);
if (doorEntry.isEmpty())
doorEntry = _doorTable.findEntry(room, direction, kNoAlternateID);
return doorEntry.movieEnd - 1;
}
ViewTable::Entry viewEntry = _viewTable.findEntry(room, direction, _currentAlternate);
if (viewEntry.isEmpty())
viewEntry = _viewTable.findEntry(room, direction, kNoAlternateID);
return viewEntry.time;
}
void Neighborhood::getDoorEntry(const tRoomID room, const tDirectionConstant direction, DoorTable::Entry &doorEntry) {
doorEntry = _doorTable.findEntry(room, direction, _currentAlternate);
if (doorEntry.isEmpty())
doorEntry = _doorTable.findEntry(room, direction, kNoAlternateID);
}
tDirectionConstant Neighborhood::getTurnEntry(const tRoomID room, const tDirectionConstant direction, const tTurnDirection turn) {
TurnTable::Entry turnEntry = _turnTable.findEntry(room, direction, turn, _currentAlternate);
if (turnEntry.isEmpty())
turnEntry = _turnTable.findEntry(room, direction, turn, kNoAlternateID);
return turnEntry.turnDirection;
}
void Neighborhood::findSpotEntry(const tRoomID room, const tDirectionConstant direction, tSpotFlags flags, SpotTable::Entry &spotEntry) {
spotEntry = _spotTable.findEntry(room, direction, flags, _currentAlternate);
if (spotEntry.isEmpty())
spotEntry = _spotTable.findEntry(room, direction, flags, kNoAlternateID);
}
void Neighborhood::getZoomEntry(const tHotSpotID id, ZoomTable::Entry &zoomEntry) {
zoomEntry = _zoomTable.findEntry(id);
}
void Neighborhood::getHotspotEntry(const tHotSpotID id, HotspotInfoTable::Entry &hotspotEntry) {
hotspotEntry = _hotspotInfoTable.findEntry(id);
}
void Neighborhood::getExtraEntry(const uint32 id, ExtraTable::Entry &extraEntry) {
extraEntry = _extraTable.findEntry(id);
}
/////////////////////////////////////////////
//
// "Can" functions: Called to see whether or not a user is allowed to do something
tCanMoveForwardReason Neighborhood::canMoveForward(ExitTable::Entry &entry) {
DoorTable::Entry door;
getExitEntry(GameState.getCurrentRoom(), GameState.getCurrentDirection(), entry);
getDoorEntry(GameState.getCurrentRoom(), GameState.getCurrentDirection(), door);
// Fixed this so that doors that don't lead anywhere can be opened, but not walked
// through.
if (door.flags & kDoorPresentMask) {
if (GameState.isCurrentDoorOpen()) {
if (entry.exitRoom == kNoRoomID)
return kCantMoveBlocked;
else
return kCanMoveForward;
} else if (door.flags & kDoorLockedMask) {
return kCantMoveDoorLocked;
} else {
return kCantMoveDoorClosed;
}
} else if (entry.exitRoom == kNoRoomID) {
return kCantMoveBlocked;
}
return kCanMoveForward;
}
tCanTurnReason Neighborhood::canTurn(tTurnDirection turn, tDirectionConstant &nextDir) {
nextDir = getTurnEntry(GameState.getCurrentRoom(), GameState.getCurrentDirection(), turn);
if (nextDir == kNoDirection)
return kCantTurnNoTurn;
return kCanTurn;
}
tCanOpenDoorReason Neighborhood::canOpenDoor(DoorTable::Entry &entry) {
getDoorEntry(GameState.getCurrentRoom(), GameState.getCurrentDirection(), entry);
if (entry.flags & kDoorPresentMask) {
if (GameState.isCurrentDoorOpen())
return kCantOpenAlreadyOpen;
if (entry.flags & kDoorLockedMask)
return kCantOpenLocked;
return kCanOpenDoor;
}
return kCantOpenNoDoor;
}
void Neighborhood::createNeighborhoodSpots() {
Common::SeekableReadStream *hotspotList = _vm->_resFork->getResource(MKTAG('H', 'S', 'L', 's'), _resName);
if (!hotspotList)
error("Could not load neighborhood hotspots");
uint32 hotspotCount = hotspotList->readUint32BE();
while (hotspotCount--) {
uint16 id = hotspotList->readUint16BE();
uint32 flags = hotspotList->readUint32BE();
uint32 rgnSize = hotspotList->readUint32BE();
int32 startPos = hotspotList->pos();
debug(0, "Hotspot %d:", id);
Region region(hotspotList);
hotspotList->seek(startPos + rgnSize);
Hotspot *hotspot = new Hotspot(id);
hotspot->setHotspotFlags(flags);
hotspot->setArea(region);
g_allHotspots.push_back(hotspot);
_neighborhoodHotspots.push_back(hotspot);
}
delete hotspotList;
}
void Neighborhood::loadSoundSpots() {
// TODO: Eventually push to the subclasses
Common::String fileName = "Sounds/";
switch (getObjectID()) {
case kCaldoriaID:
fileName += "Caldoria/Caldoria Spots";
break;
case kFullTSAID:
case kFinalTSAID:
case kTinyTSAID:
fileName += "TSA/TSA Spots";
break;
case kPrehistoricID:
fileName += "Prehistoric/Prehistoric Spots";
break;
case kMarsID:
fileName += "Mars/Mars Spots";
break;
case kWSCID:
fileName += "World Science Center/WSC Spots";
break;
case kNoradAlphaID:
fileName += "Norad/Norad Alpha Spots";
break;
case kNoradDeltaID:
fileName += "Norad/Norad Delta Spots";
break;
}
_spotSounds.initFromQuickTime(fileName);
}
void Neighborhood::popActionQueue() {
if (!_actionQueue.empty()) {
tQueueRequest topRequest = _actionQueue.pop();
switch (topRequest.requestType) {
case kNavExtraRequest:
// TODO
break;
case kSpotSoundRequest:
_spotSounds.stopSound();
break;
case kDelayRequest:
// TODO
break;
}
serviceActionQueue();
}
}
void Neighborhood::serviceActionQueue() {
if (!_actionQueue.empty()) {
tQueueRequest &topRequest = _actionQueue.front();
if (!topRequest.playing) {
topRequest.playing = true;
switch (topRequest.requestType) {
case kNavExtraRequest:
// TODO
break;
case kSpotSoundRequest:
_spotSounds.stopSound();
_spotSounds.playSoundSegment(topRequest.start, topRequest.stop);
_interruptionFilter = topRequest.interruptionFilter;
// TODO: stop trigger
break;
case kDelayRequest:
// TODO
break;
}
}
} else {
_interruptionFilter = kFilterAllInput;
}
}
void Neighborhood::requestAction(const tQueueRequestType requestType, const tExtraID extra, const TimeValue in, const TimeValue out,
const tInputBits interruptionFilter, const tNotificationFlags flags) {
tQueueRequest request;
request.requestType = requestType;
request.extra = extra;
request.start = in;
request.stop = out;
request.interruptionFilter = interruptionFilter;
request.playing = false;
request.flags = flags | kActionRequestCompletedFlag;
// TODO: notification
_actionQueue.push(request);
if (_actionQueue.size() == 1)
serviceActionQueue();
}
void Neighborhood::requestExtraSequence(const tExtraID whichExtra, const tNotificationFlags flags, const tInputBits interruptionFilter) {
requestAction(kNavExtraRequest, whichExtra, 0, 0, interruptionFilter, flags);
}
void Neighborhood::requestSpotSound(const TimeValue in, const TimeValue out, const tInputBits interruptionFilter, const tNotificationFlags flags) {
requestAction(kSpotSoundRequest, 0xFFFFFFFF, in, out, interruptionFilter, flags);
}
void Neighborhood::requestDelay(const TimeValue delayDuration, const TimeScale delayScale, const tInputBits interruptionFilter, const tNotificationFlags flags) {
requestAction(kDelayRequest, 0xFFFFFFFF, delayDuration, delayScale, interruptionFilter, flags);
}
bool operator==(const tQueueRequest &arg1, const tQueueRequest &arg2) {
return arg1.requestType == arg2.requestType && arg1.extra == arg2.extra &&
arg1.start == arg2.start && arg1.stop == arg2.stop;
}
bool operator!=(const tQueueRequest &arg1, const tQueueRequest &arg2) {
return !operator==(arg1, arg2);
}
Common::String Neighborhood::getBriefingMovie() {
// TODO: Interaction check
return Common::String();
}
Common::String Neighborhood::getEnvScanMovie() {
// TODO: Interaction check
return Common::String();
}
uint Neighborhood::getNumHints() {
// TODO: Interaction check
return 0;
}
Common::String Neighborhood::getHintMovie(uint hintNum) {
// TODO: Interaction check
return Common::String();
}
bool Neighborhood::canSolve() {
// TODO: Interaction check
return false;
}
void Neighborhood::doSolve() {
// TODO: Interaction check
}
bool Neighborhood::okayToJump() {
return !_vm->playerHasItemID(kGasCanister) && !_vm->playerHasItemID(kMachineGun);
}
tAirQuality Neighborhood::getAirQuality(const tRoomID) {
return kAirQualityGood;
}
void Neighborhood::checkStriding() {
if (stillMoveForward()) {
ExitTable::Entry nextExit;
getExitEntry(GameState.getNextRoom(), GameState.getNextDirection(), nextExit);
keepStriding(nextExit);
} else {
stopStriding();
}
}
bool Neighborhood::stillMoveForward() {
Input input;
InputHandler::readInputDevice(input);
return input.upButtonAnyDown();
}
void Neighborhood::keepStriding(ExitTable::Entry &nextExitEntry) {
FaderMoveSpec compassMove;
// TODO: Map
if (g_compass)
getExitCompassMove(nextExitEntry, compassMove);
GameState.setCurrentRoom(GameState.getNextRoom());
GameState.setCurrentDirection(GameState.getNextDirection());
GameState.setNextRoom(nextExitEntry.exitRoom);
GameState.setNextDirection(nextExitEntry.exitDirection);
if (nextExitEntry.movieEnd == nextExitEntry.exitEnd)
scheduleNavCallBack(kNeighborhoodMovieCompletedFlag | kMoveForwardCompletedFlag);
else
scheduleStridingCallBack(nextExitEntry.movieEnd - kStridingSlop, kStrideCompletedFlag);
if (g_compass)
g_compass->startFader(compassMove);
}
void Neighborhood::stopStriding() {
_navMovie.stop();
_neighborhoodNotification.setNotificationFlags(kNeighborhoodMovieCompletedFlag |
kMoveForwardCompletedFlag, kNeighborhoodMovieCompletedFlag | kMoveForwardCompletedFlag);
}
// Compass support
uint16 Neighborhood::getStaticCompassAngle(const tRoomID, const tDirectionConstant dir) {
// North, south, east, west
static const uint16 compassAngles[] = { 0, 180, 90, 270 };
return compassAngles[dir];
}
void Neighborhood::getExitCompassMove(const ExitTable::Entry &exitEntry, FaderMoveSpec &compassMove) {
int32 startAngle = getStaticCompassAngle(exitEntry.room, exitEntry.direction);
int32 stopAngle = getStaticCompassAngle(exitEntry.exitRoom, exitEntry.exitDirection);
if (startAngle > stopAngle) {
if (stopAngle + 180 < startAngle)
stopAngle += 360;
} else {
if (startAngle + 180 < stopAngle)
startAngle += 360;
}
compassMove.makeTwoKnotFaderSpec(_navMovie.getScale(), exitEntry.movieStart, startAngle, exitEntry.movieEnd, stopAngle);
}
void Neighborhood::scheduleNavCallBack(tNotificationFlags flags) {
_navMovieCallBack.cancelCallBack();
if (flags != 0) {
_navMovieCallBack.setCallBackFlag(flags);
_navMovieCallBack.scheduleCallBack(kTriggerAtStop, 0, 0);
}
}
void Neighborhood::scheduleStridingCallBack(const TimeValue strideStop, tNotificationFlags flags) {
_stridingCallBack.cancelCallBack();
if (flags != 0)
_stridingCallBack.scheduleCallBack(kTriggerTimeFwd, strideStop, _navMovie.getScale());
}
} // End of namespace Pegasus
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