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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 "changeobjectproperty.h"
#include "removeobject.h"
#include "action-registry.h"
#include "../gamemap.h"
ChangeObjectProperty::ChangeObjectProperty( GameMap* map, MapCoordinate& pos, Object* object, Property property, int value, bool valueIsAbsolute )
: GameAction( map ), originalValue(-1), resultingValue(-1)
{
this->position = pos;
this->value = value;
this->property = property;
this->objectID = object->typ->id;
this->valueIsAbsolute = valueIsAbsolute;
}
ASCString ChangeObjectProperty::getPropertyName( Property property )
{
switch ( property ) {
case Damage: return "Damage";
};
return "";
}
ASCString ChangeObjectProperty::getDescription() const
{
ASCString res = "Change property " + getPropertyName(property) + " of object with id " + ASCString::toString(objectID)
+ " on field " + position.toString(false);
if ( !valueIsAbsolute )
res += " by ";
else
res += " to ";
res += ASCString::toString(value);
return res;
}
void ChangeObjectProperty::readData ( tnstream& stream )
{
int version = stream.readInt();
if ( version != 1 )
throw tinvalidversion ( "ChangeObjectProperty", 1, version );
position.read( stream );
objectID = stream.readInt();
property = (Property) stream.readInt();
value = stream.readInt();
valueIsAbsolute = stream.readInt();
originalValue = stream.readInt();
resultingValue = stream.readInt();
};
void ChangeObjectProperty::writeData ( tnstream& stream ) const
{
stream.writeInt( 1 );
position.write( stream );
stream.writeInt( objectID );
stream.writeInt( property );
stream.writeInt( value );
stream.writeInt( valueIsAbsolute );
stream.writeInt( originalValue );
stream.writeInt( resultingValue );
};
GameActionID ChangeObjectProperty::getID() const
{
return ActionRegistry::ChangeObjectProperty;
}
Object* ChangeObjectProperty::getObject()
{
tfield* fld = getMap()->getField( position );
if ( !fld )
throw ActionResult(21002);
ObjectType* ot = getMap()->getobjecttype_byid( objectID );
if ( !ot )
throw ActionResult( 21501 );
Object* o = fld->checkForObject( ot );
if ( !o )
throw ActionResult ( 21502 );
return o;
}
int ChangeObjectProperty::getProperty()
{
switch ( property ) {
case Damage: return getObject()->damage;
};
throw ActionResult(21503 );
}
ActionResult ChangeObjectProperty::setProperty( Property property, int value, const Context& context )
{
switch ( property ) {
case Damage:
getObject()->damage = value;
break;
default:
throw ActionResult(21503 );
};
return ActionResult(0);
}
ActionResult ChangeObjectProperty::runAction( const Context& context )
{
originalValue = getProperty();
ActionResult res(0);
if ( !valueIsAbsolute )
res = setProperty( property, originalValue + value, context );
else
res = setProperty( property, value, context );
resultingValue = getProperty();
return res;
}
ActionResult ChangeObjectProperty::undoAction( const Context& context )
{
return setProperty ( property, originalValue, context );
}
ActionResult ChangeObjectProperty::preCheck()
{
if ( getProperty() != originalValue )
throw ActionResult( 21204, getPropertyName( property ) );
return ActionResult(0);
}
ActionResult ChangeObjectProperty::postCheck()
{
if ( getProperty() != resultingValue )
throw ActionResult( 21204, getPropertyName( property ) );
return ActionResult(0);
}
namespace {
const bool r1 = registerAction<ChangeObjectProperty> ( ActionRegistry::ChangeObjectProperty );
}
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