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/*
This file is part of Advanced Strategic Command; http://www.asc-hq.de
Copyright (C) 1994-2008 Martin Bickel and Marc Schellenberger
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; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
*/
#include "destructcontainer.h"
#include "spawnobject.h"
#include "action-registry.h"
#include "../vehicle.h"
#include "../gamemap.h"
#include "../viewcalculation.h"
DestructContainer::DestructContainer( ContainerBase* container, bool suppressWreckage )
: ContainerAction( container ), fieldRegistration( NONE ), unitBuffer(NULL), hostingCarrier(0), cargoSlot(-1)
{
building = container->isBuilding();
this->suppressWreckage = suppressWreckage;
}
ASCString DestructContainer::getDescription() const
{
return "Destruct container"; // with ID " + ASCString::toString(unitID);
}
static const int destructContainerStreamVersion = 4;
void DestructContainer::readData ( tnstream& stream )
{
int version = stream.readInt();
if ( version < 1 || version > destructContainerStreamVersion )
throw tinvalidversion ( "DestructUnit", 1, version );
ContainerAction::readData( stream );
building = stream.readInt();
if ( stream.readInt() ) {
unitBuffer = new tmemorystreambuf();
unitBuffer->readfromstream( &stream );
} else
unitBuffer = NULL;
if ( version >= 2 )
fieldRegistration = (FieldRegistration) stream.readInt();
if ( version >= 3 ) {
hostingCarrier = stream.readInt();
cargoSlot = stream.readInt();
}
if ( version >= 4 )
suppressWreckage = stream.readInt();
else
suppressWreckage = false;
};
void DestructContainer::writeData ( tnstream& stream ) const
{
stream.writeInt( destructContainerStreamVersion );
ContainerAction::writeData( stream );
stream.writeInt( building );
if ( unitBuffer ) {
stream.writeInt( 1 );
unitBuffer->writetostream( &stream );
} else
stream.writeInt( 0 );
stream.writeInt( (int)fieldRegistration );
stream.writeInt( hostingCarrier );
stream.writeInt( cargoSlot );
stream.writeInt( suppressWreckage );
};
GameActionID DestructContainer::getID() const
{
return ActionRegistry::DestructContainer;
}
ActionResult DestructContainer::runAction( const Context& context )
{
ContainerBase* container = getContainer();
unitBuffer = new tmemorystreambuf();
tmemorystream memstream( unitBuffer, tnstream::writing );
container->write( memstream );
Vehicle* veh = dynamic_cast<Vehicle*>(container);
if ( veh ) {
tfield* fld = getMap()->getField(veh->getPosition());
if ( fld->vehicle == veh )
fieldRegistration = FIRST;
else if ( fld->secondvehicle == veh )
fieldRegistration = SECOND;
else if ( veh->getCarrier() ) {
fieldRegistration = CARRIER;
hostingCarrier = veh->getCarrier()->getIdentification();
const ContainerBase::Cargo& cargo = veh->getCarrier()->getCargo();
ContainerBase::Cargo::const_iterator pos = find( cargo.begin(), cargo.end(), veh );
if ( pos == cargo.end() )
throw ActionResult( 22200, veh->getCarrier() );
cargoSlot = pos - cargo.begin();
}
if ( !veh->typ->wreckageObject.empty() && getMap()->state != GameMap::Destruction && !suppressWreckage ) {
if ( fieldRegistration == FIRST || fieldRegistration == SECOND ) {
for ( vector<int>::const_iterator i = veh->typ->wreckageObject.begin(); i != veh->typ->wreckageObject.end(); ++i ) {
ObjectType* obj = getMap()->getobjecttype_byid( *i );
if ( obj ) {
GameAction* o = new SpawnObject( getMap(), veh->getPosition(), *i, veh->direction );
o->execute( context );
}
}
}
}
}
Building* bld = dynamic_cast<Building*>(container);
if ( bld && !suppressWreckage ) {
for (int i = 0; i < BuildingType::xdimension; i++)
for (int j = 0; j < BuildingType::ydimension; j++)
if ( bld->typ->fieldExists ( BuildingType::LocalCoordinate(i,j) ) ) {
tfield* fld = bld->getField( BuildingType::LocalCoordinate(i,j) );
if ( fld && fld->building == bld ) {
typedef BuildingType::DestructionObjects::const_iterator J;
pair<J,J> b = bld->typ->destructionObjects.equal_range(BuildingType::LocalCoordinate(i,j));
for ( J o = b.first; o != b.second; ++o)
(new SpawnObject( getMap(), bld->getFieldCoordinates(BuildingType::LocalCoordinate(i,j)), o->second ))->execute( context );
}
}
}
if( fieldRegistration != CARRIER )
container->removeview();
evaluateviewcalculation( getMap(), container->getPosition(), container->baseType->view, 0, false, &context );
delete container;
return ActionResult(0);
}
ActionResult DestructContainer::undoAction( const Context& context )
{
tmemorystream memstream( unitBuffer, tnstream::reading );
if ( building ) {
Building* bld = Building::newFromStream( getMap(), memstream );
bld->chainbuildingtofield( bld->getEntry() );
if ( bld->getOwner() < bld->getMap()->getPlayerCount() )
bld->addview();
} else {
Vehicle* veh = Vehicle::newFromStream( getMap(), memstream );
if ( fieldRegistration == FIRST )
getMap()->getField( veh->getPosition() )->vehicle = veh;
else if ( fieldRegistration == CARRIER ) {
ContainerBase* carrier = getMap()->getContainer( hostingCarrier );
carrier->addToCargo( veh, cargoSlot );
}
/*
SECOND is not a permanent registration, so we don't redo it
if ( fieldRegistration == SECOND )
getMap()->getField( veh->getPosition() )->vehicle = veh;
*/
if ( fieldRegistration != CARRIER )
veh->addview();
}
return ActionResult(0);
}
DestructContainer::~DestructContainer()
{
delete unitBuffer;
}
namespace {
const bool r1 = registerAction<DestructContainer> ( ActionRegistry::DestructContainer );
}
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