/*  Starshatter OpenSource Distribution
    Copyright (c) 1997-2004, Destroyer Studios LLC.
    All Rights Reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright notice,
      this list of conditions and the following disclaimer in the documentation
      and/or other materials provided with the distribution.
    * Neither the name "Destroyer Studios" nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.

    SUBSYSTEM:    Stars.exe
    FILE:         Instruction.h
    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Instruction (NavPoint / Order / Objective) class declaration
*/

#ifndef Instruction_h
#define Instruction_h

#include "Types.h"
#include "Geometry.h"
#include "SimObject.h"
#include "Text.h"
#include "RLoc.h"

// +--------------------------------------------------------------------+

class Ship;

// +--------------------------------------------------------------------+

class Instruction : public SimObserver
{
public:
    static const char* TYPENAME() { return "Instruction"; }

    enum  ACTION 
    {
        VECTOR,
        LAUNCH,
        DOCK,
        RTB,

        DEFEND,
        ESCORT,
        PATROL,
        SWEEP,
        INTERCEPT,
        STRIKE,     // ground attack
        ASSAULT,    // starship attack
        RECON,

        //RECALL,
        //DEPLOY,

        NUM_ACTIONS
    };

    enum  STATUS 
    {  
        PENDING,
        ACTIVE,
        SKIPPED,
        ABORTED,
        FAILED,
        COMPLETE,

        NUM_STATUS
    };

    enum  FORMATION 
    {
        DIAMOND,
        SPREAD,
        BOX,
        TRAIL,

        NUM_FORMATIONS
    };

    enum  PRIORITY
    {
        PRIMARY = 1,
        SECONDARY,
        BONUS
    };

    Instruction(int action, const char* tgt);
    Instruction(const char* rgn, Point loc, int act=VECTOR);
    Instruction(SimRegion*  rgn, Point loc, int act=VECTOR);
    Instruction(const Instruction& instr);
    virtual ~Instruction();

    Instruction& operator = (const Instruction& n);

    // accessors:
    static const char*   ActionName(int a);
    static const char*   StatusName(int s);
    static const char*   FormationName(int f);
    static const char*   PriorityName(int p);

    const char*       RegionName()      const { return rgn_name;   }
    SimRegion*        Region()          const { return region;     }
    Point             Location()        const;
    RLoc&             GetRLoc()               { return rloc;       }
    int               Action()          const { return action;     }
    int               Status()          const { return status;     }
    int               Formation()       const { return formation;  }
    int               Speed()           const { return speed;      }
    int               EMCON()           const { return emcon;      }
    int               WeaponsFree()     const { return wep_free;   }
    int               Priority()        const { return priority;   }
    int               Farcast()         const { return farcast;    }
    double            HoldTime()        const { return hold_time;  }

    const char*       TargetName()      const { return tgt_name;   }
    const char*       TargetDesc()      const { return tgt_desc;   }
    SimObject*        GetTarget();

    void              Evaluate(Ship* s);
    const char*       GetShortDescription() const;
    const char*       GetDescription()  const;

    // mutators:
    void              SetRegion(SimRegion* r)       { region    = r;  }
    void              SetLocation(const Point& l);
    void              SetAction(int s)              { action    = s;  }
    void              SetStatus(int s);
    void              SetFormation(int s)           { formation = s;  }
    void              SetSpeed(int s)               { speed     = s;  }
    void              SetEMCON(int e)               { emcon     = e;  }
    void              SetWeaponsFree(int f)         { wep_free  = f;  }
    void              SetPriority(int p)            { priority  = p;  }
    void              SetFarcast(int f)             { farcast   = f;  }
    void              SetHoldTime(double t)         { hold_time = t;  }

    void              SetTarget(const char* n);
    void              SetTarget(SimObject* s);
    void              SetTargetDesc(const char* d);
    void              ClearTarget();

    virtual bool         Update(SimObject* s);
    virtual const char*  GetObserverName() const;

protected:
    Text              rgn_name;
    SimRegion*        region;
    RLoc              rloc;
    int               action;
    int               formation;
    int               status;
    int               speed;

    Text              tgt_name;
    Text              tgt_desc;
    SimObject*        target;
    int               emcon;
    int               wep_free;
    int               priority;
    int               farcast;

    double            hold_time;
};

// +--------------------------------------------------------------------+

#endif Instruction_h