TargetVisibilityPatch.h

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

#if !defined(__INCLUDE_TargetVisibilityPatchh_INCLUDE__)
#define __INCLUDE_TargetVisibilityPatchh_INCLUDE__

#include <common/Vector.h>
#include <set>

class Target;
class TargetVisibilityPatch
{
public:
        TargetVisibilityPatch();
        ~TargetVisibilityPatch();

        void setLocation(int x, int y);
        bool setVisible(float distance);
        void setNotVisible();

        bool hasTrees() { return !trees_.empty(); }
        bool hasTargets() { return !targets_.empty(); }

        float getDistance() { return distance_; }
        Vector &getPosition() { return position_; }
        bool getVisible() { return visible_; }

        static std::set<void *> &getLargeTargets() { return largeTargets_; }
        static void addLargeTarget(Target *target) { largeTargets_.insert(target); }
        static void removeLargeTarget(Target *target) { largeTargets_.erase(target); }

        std::set<void *> &getTargets() { return targets_; }
        void addTarget(Target *target) { targets_.insert(target); }
        void removeTarget(Target *target) { targets_.erase(target); }

        std::set<void *> &getTrees() { return trees_; }
        void addTree(Target *target) { trees_.insert(target); }
        void removeTree(Target *target) { trees_.erase(target); }       

        std::set<void *> &getTooltips() { return tooltips_; }
        void addTooltip(Target *target) { tooltips_.insert(target); }
        void removeTooltip(Target *target) { tooltips_.erase(target); } 

protected:
        int x_, y_;
        bool visible_;
        float distance_;
        Vector position_;
        std::set<void *> trees_, targets_, tooltips_;
        static std::set<void *> largeTargets_;
};

class TargetVisibilityIterator
{
public:
        void init(std::set<void *> &set)
        {
                set_ = &set;
                lastItor = set_->end();
                itor = set_->begin();
        }

        void *getNext()
        {
                if (itor == lastItor) return 0;
                void *result = *itor;
                ++itor;
                return result;
        }

private:
        std::set<void *> *set_;
        std::set<void *>::iterator lastItor;
        std::set<void *>::iterator itor;
};

#endif // __INCLUDE_TargetVisibilityPatchh_INCLUDE__

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