TargetGroup.cpp

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////////////////////////////////////////////////////////////////////////////////
//    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 <target/TargetGroup.h>
#include <target/Target.h>
#include <target/TargetLife.h>
#include <engine/ScorchedContext.h>
#include <landscapemap/TargetGroupsSetEntry.h>
#include <landscapemap/LandscapeMaps.h>
#include <net/NetBuffer.h>
#include <set>

TargetGroup::TargetGroup(ScorchedContext &context) :
        context_(context)
{
}

TargetGroup::~TargetGroup()
{
}

FixedVector &TargetGroup::getPosition()
{
        return target_->getLife().getTargetPosition();
}

bool TargetGroup::writeMessage(NetBuffer &buffer)
{
        buffer.addToBuffer((int) groups_.size());
        std::set<TargetGroupsSetEntry *>::iterator itor;
        for (itor = groups_.begin();
                itor != groups_.end();
                itor++)
        {
                TargetGroupsSetEntry *group = *itor;
                buffer.addToBuffer(group->getName());
        }       
        return true;
}

bool TargetGroup::readMessage(NetBufferReader &reader)
{
        std::set<std::string> goodGroups;

        int groupNo = 0;
        if (!reader.getFromBuffer(groupNo)) return false;
        for (int g=0; g<groupNo; g++)
        {
                std::string groupName;
                if (!reader.getFromBuffer(groupName)) return false;

                TargetGroupsSetEntry *group = 
                        context_.getLandscapeMaps().getGroundMaps().getGroups().getGroup(groupName.c_str());
                if (group && !group->hasObject(this))
                {
                        group->addObject(this, false);
                }
                goodGroups.insert(groupName);
        }

        std::set<TargetGroupsSetEntry *> groupsCopy = groups_;
        std::set<TargetGroupsSetEntry *>::iterator itor;
        for (itor = groupsCopy.begin();
                itor != groupsCopy.end();
                itor++)
        {
                TargetGroupsSetEntry *group = *itor;
                if (goodGroups.find(group->getName()) == goodGroups.end())
                {
                        if (group->hasObject(this))
                        {
                                group->removeObject(this);
                        }
                }
        }

        return true;
}

void TargetGroup::addToGroup(TargetGroupsSetEntry *group)
{
        groups_.insert(group);
}

void TargetGroup::removeFromGroup(TargetGroupsSetEntry *group)
{
        groups_.erase(group);
}

void TargetGroup::removeFromAllGroups()
{
        if (groups_.empty()) return;

        std::set<TargetGroupsSetEntry *> groupsCopy = groups_;
        std::set<TargetGroupsSetEntry *>::iterator itor;
        for (itor = groupsCopy.begin();
                itor != groupsCopy.end();
                itor++)
        {
                TargetGroupsSetEntry *group = *itor;
                if (group->hasObject(this))
                {
                        group->removeObject(this);
                }
        }
}

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