D:/simple_rts/src/ClientUpdater.cpp

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#include "ClientUpdater.h"

#include "Level.h"
#include "Team.h"
#include "Client.h"
#include "FogOfWar.h"
#include "Unit.h"

#include "OgreEntity.h"
#include "OgreMovableObject.h"
using Ogre::Entity;
using Ogre::MovableObject;

namespace ASR
{
        // ----------------------------------------------------------------------------
        ClientUpdater::ClientUpdater ( Client* parentClient )
                : mClient ( parentClient )
        {
        }


        // ----------------------------------------------------------------------------
        ClientUpdater::~ClientUpdater ()
        {

        }


        // ----------------------------------------------------------------------------
        bool ClientUpdater::updateBeforeFrame ( const FrameEvent& e, const InputReader* inputDevice )
        {
                _findVisibleObjects ();

                return true;
        }


        // ----------------------------------------------------------------------------
        bool ClientUpdater::updateAfterFrame ( const FrameEvent& e, const InputReader* inputDevice )
        {
                return true;
        }


        // ----------------------------------------------------------------------------
        void ClientUpdater::_findVisibleObjects () const
        {
                FogOfWar* fog = mClient->mTeam->getFogOfWar ();

                Level::TeamList enemyList = Level::getSingleton ().getEnemyTeams ( mClient->mTeam );
                Level::TeamIterator iter ( enemyList.begin(), enemyList.end() );

                while ( iter.hasMoreElements () )
                {
                        Team* enemyTeam = iter.getNext ();
                        TeamUnits::UnitIterator unitIter = enemyTeam->getUnitIterator ();
                        while ( unitIter.hasMoreElements () )
                        {
                                Unit* enemyUnit = unitIter.getNext ();

                                // HACK
                                //              Dead units should still be visible as long as they are dying
                                if ( !enemyUnit->isDead() && fog->isUnitVisible ( enemyUnit ) )
                                {
                                        _showUnit ( enemyUnit );
                                }
                                else
                                {
                                        _hideUnit ( enemyUnit );
                                }
                        }
                }
        }


        // ----------------------------------------------------------------------------
        void ClientUpdater::_showUnit ( Unit* unit ) const
        {
                unit->getEntity ()->getParentSceneNode ()->setVisible ( true );
                Entity::ChildObjectListIterator iter = unit->getEntity ()->getAttachedObjectIterator ();
                while ( iter.hasMoreElements () )
                {
                        MovableObject* obj = iter.getNext ();
                        obj->setVisible ( true );
                }
        }


        // ----------------------------------------------------------------------------
        void ClientUpdater::_hideUnit ( Unit* unit ) const
        {
                unit->getEntity ()->getParentSceneNode ()->setVisible ( false );
                Entity::ChildObjectListIterator iter = unit->getEntity ()->getAttachedObjectIterator ();
                while ( iter.hasMoreElements () )
                {
                        MovableObject* obj = iter.getNext ();
                        obj->setVisible ( false );
                }
        }
}

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