D:/simple_rts/include/UnitSelecter.h

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#pragma once

#include "Updater.h"
#include "Level.h"

#include "OgreCamera.h"
#include "OgreEntity.h"
#include "OgreMovableObject.h"
#include "OgreOverlay.h"
#include "OgreSceneNode.h"
#include "OgreRay.h"
#include "OgreVector2.h"

#include "OgreEntity.h"
#include "OgreSceneNode.h"

#include <vector>

using Ogre::Camera;
using Ogre::Entity;
using Ogre::MovableObject;
using Ogre::Overlay;
using Ogre::SceneNode;
using Ogre::Ray;
using Ogre::RaySceneQuery;
using Ogre::Vector2;

using std::vector;

// ----------------------------------------------------------------------------
namespace ASR
{
        class Team;

        // ----------------------------------------------------------------------------
        class UnitSelecter : public Updater
        {
        // HACKS
        // ----------------------------------------------------------------------------
        private:
                Entity*                 mCubes[5];
                SceneNode*              mNodes[5];

        // Data Storage
        // ----------------------------------------------------------------------------
        private:
                Camera*                 mCamera;
                
                RaySceneQuery*  mRayQuery;
                Team*                   mTeam;

                // Symmetric coords [-1 1]
                float                   mAbsMouse[2];
                bool                    mFirstPoint;

                // Use Planes to draw each of the 4 sides
                Overlay*                mOverlay;

                // The boundaries of the selection region
                Vector2                 mBounds[2];

                vector<Unit*>   mSelectedUnits;

        // Construction
        // ----------------------------------------------------------------------------
        public:
                UnitSelecter ( Team* team, Camera* camera );
                ~UnitSelecter(void);


        // Updating
        // ----------------------------------------------------------------------------
        public:
                bool updateBeforeFrame ( const FrameEvent& e, const InputReader* inputDevice );
                bool updateAfterFrame ( const FrameEvent& e, const InputReader* inputDevice );


        // Helper Functions
        // ----------------------------------------------------------------------------
        private:
                void _moveUnits ();
                void _selectUnits ();

                void _unselectDeadUnits ();
                void _createActiveGroup () const;

                void _unselectCurrect ();

                void _selectUnit ( Unit* unit );
                void _unselectUnit ( Unit* unit );

                Vector3 _getMousePosition ();
        };
}

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