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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 "pink/archive.h"
#include "pink/cel_decoder.h"
#include "pink/pink.h"
#include "pink/objects/actions/walk_action.h"
#include "pink/objects/actors/lead_actor.h"
#include "pink/objects/walk/walk_location.h"
namespace Pink {
WalkMgr::WalkMgr()
: _isWalking(false), _leadActor(nullptr),
_destination(nullptr) {}
WalkMgr::~WalkMgr() {
for (uint i = 0; i < _locations.size(); ++i) {
delete _locations[i];
}
}
void WalkMgr::deserialize(Pink::Archive &archive) {
_leadActor = static_cast<LeadActor *>(archive.readObject());
_locations.deserialize(archive);
}
WalkLocation *WalkMgr::findLocation(const Common::String &name) {
for (uint i = 0; i < _locations.size(); ++i) {
if (_locations[i]->getName() == name)
return _locations[i];
}
return nullptr;
}
void WalkMgr::toConsole() {
debugC(6, kPinkDebugLoadingObjects, "WalkMgr:");
for (uint i = 0; i < _locations.size(); ++i) {
_locations[i]->toConsole();
}
}
void WalkMgr::start(WalkLocation *destination) {
if (_current.name.empty()) {
_current.name = _locations[0]->getName();
_current.coords = getLocationCoordinates(_locations[0]->getName());
}
_destination = destination;
if (_isWalking)
return;
if (_current.name == _destination->getName()) {
end();
} else {
_isWalking = true;
WalkLocation *currentLocation = findLocation(_current.name);
WalkShortestPath path(this);
WalkLocation *nextLocation = path.next(currentLocation, _destination);
initNextWayPoint(nextLocation);
_leadActor->setAction(getWalkAction());
}
}
void WalkMgr::initNextWayPoint(WalkLocation *location) {
_next.name = location->getName();
_next.coords = getLocationCoordinates(location->getName());
}
WalkAction *WalkMgr::getWalkAction() {
Common::String walkActionName;
bool horizontal = false;
if (_current.coords.z == _next.coords.z) {
if (_next.coords.point.x > _current.coords.point.x) {
walkActionName = Common::String::format("%dRight", _current.coords.z);
} else
walkActionName = Common::String::format("%dLeft", _next.coords.z);
horizontal = true;
} else
walkActionName = Common::String::format("%dTo%d", _current.coords.z, _next.coords.z);
WalkAction *action = (WalkAction *)_leadActor->findAction(walkActionName);
if (action) {
action->setWalkMgr(this);
action->setType(horizontal);
}
return action;
}
double WalkMgr::getLengthBetweenLocations(WalkLocation *first, WalkLocation *second) {
Coordinates firstCoord = getLocationCoordinates(first->getName());
Coordinates secondCoord = getLocationCoordinates(second->getName());
return hypot(secondCoord.point.x - firstCoord.point.x, secondCoord.point.y - firstCoord.point.y);
}
Coordinates WalkMgr::getLocationCoordinates(const Common::String &locationName) {
Action *action = _leadActor->findAction(locationName);
return action->getCoordinates();
}
void WalkMgr::setCurrentWayPoint(WalkLocation *location) {
_current.name = location->getName();
_current.coords = getLocationCoordinates(_current.name);
}
void WalkMgr::update() {
if (_leadActor->isPlaying())
return;
WalkShortestPath path(this);
_current = _next;
WalkLocation *next = path.next(findLocation(_current.name), _destination);
if (next) {
initNextWayPoint(next);
_leadActor->setAction(getWalkAction());
} else
end();
}
void WalkMgr::end() {
_isWalking = false;
_leadActor->onWalkEnd(_destination->getName());
}
void WalkMgr::loadState(Archive &archive) {
_isWalking = archive.readByte();
_current.name = archive.readString();
if (!_current.name.empty()) {
_current.coords = getLocationCoordinates(_current.name);
}
if (_isWalking) {
_next.name = archive.readString();
_destination = findLocation(archive.readString());
_next.coords = getLocationCoordinates(_next.name);
}
}
void WalkMgr::saveState(Archive &archive) {
archive.writeByte(_isWalking);
archive.writeString(_current.name);
if (_isWalking) {
archive.writeString(_next.name);
archive.writeString(_destination->getName());
}
}
void WalkMgr::skip() {
initNextWayPoint(_destination);
_current = _next;
end();
}
} // End of namespace Pink
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