TargetSpace.h

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
////////////////////////////////////////////////////////////////////////////////

#if !defined(__INCLUDE_TargetSpaceh_INCLUDE__)
#define __INCLUDE_TargetSpaceh_INCLUDE__

#include <target/Target.h>
#include <map>
#include <set>
#include <vector>

class ScorchedContext;
class TargetSpace
{
public:
        TargetSpace();
        virtual ~TargetSpace();

        void updateTarget(Target *target);
        void setContext(ScorchedContext *context) { context_ = context; }

        Target *getCollision(FixedVector &position);
        void getCollisionSet(FixedVector &position, fixed radius, 
                std::map<unsigned int, Target *> &collisionTargets, 
                bool ignoreHeight = false);

        void draw();

protected:
        class Square
        {
        public:
                std::map<unsigned int, Target *> targets;
                int squarenum;
        };

        ScorchedContext *context_;
        Square *squares_;
        int spaceX_, spaceY_; // Position of bottom left of space
        int spaceW_, spaceH_; // Width, height of space
        int spaceWSq_, spaceHSq_; // Number of squares in width and height
        int spaceSq_; // Width of each square
        int noSquares_; // The total number of squares

        void normalizeCoords(int &x, int &y)
        {
                // Make sure x and y are in the space
                x = MIN(x, spaceW_ + spaceX_ - 1);
                x = MAX(x, spaceX_);
                y = MIN(y, spaceH_ + spaceY_ - 1);
                y = MAX(y, spaceY_);

                // Find the square pos
                x -= spaceX_;
                y -= spaceY_;
                x /= spaceSq_;
                y /= spaceSq_;
        }

        void getSquares(Target *target, std::vector<Square*> &squares);
        void removeTarget(Target *target);

private:
        TargetSpace(TargetSpace &other);
        TargetSpace &operator=(TargetSpace &other);
};

#endif // __INCLUDE_TargetSpaceh_INCLUDE__

---