WeaponGroupSelect.cpp

Go to the documentation of this file.

////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <weapons/WeaponGroupSelect.h>
#include <weapons/AccessoryStore.h>
#include <engine/ActionController.h>
#include <landscapemap/LandscapeMaps.h>
#include <landscapedef/LandscapeTex.h>
#include <target/Target.h>
#include <target/TargetLife.h>

REGISTER_ACCESSORY_SOURCE(WeaponGroupSelect);

WeaponGroupSelect::WeaponGroupSelect()
{

}

WeaponGroupSelect::~WeaponGroupSelect()
{

}

bool WeaponGroupSelect::parseXML(AccessoryCreateContext &context,XMLNode *accessoryNode)
{
        if (!Weapon::parseXML(context, accessoryNode)) return false;

        if (!accessoryNode->getNamedChild("groupname", groupName_)) return false;

        XMLNode *subNode = 0;
        if (!accessoryNode->getNamedChild("nextaction", subNode)) return false;
        
        // Check next weapon is correct type
        AccessoryPart *accessory = context.getAccessoryStore().
                createAccessoryPart(context, parent_, subNode);
        if (!accessory || accessory->getType() != AccessoryPart::AccessoryWeapon)
        {
                return subNode->returnError("Failed to find sub weapon, not a weapon");
        }
        nextAction_ = (Weapon*) accessory;

        return true;
}

void WeaponGroupSelect::fireWeapon(ScorchedContext &context,
        WeaponFireContext &weaponContext, FixedVector &position, FixedVector &velocity)
{
        // Find the group to select the objects in
        TargetGroupsSetEntry *groupEntry = context.getLandscapeMaps().getGroundMaps().getGroups().
                getGroup(groupName_.c_str());
        if (!groupEntry) return;

        // Select the object
        int objectCount = groupEntry->getObjectCount();
        if (objectCount == 0) return;
        unsigned int object = context.getActionController().getRandom().getRandUInt() % objectCount;
        TargetGroup *entry = groupEntry->getObjectByPos(object);

        FixedVector newPosition = entry->getTarget()->getLife().getTargetPosition();
        FixedVector newVelocity = entry->getTarget()->getLife().getVelocity();

        nextAction_->fireWeapon(context, weaponContext, newPosition, newVelocity);
}

---