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+/*  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:         SeekerAI.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Seeker Missile (low-level) Artifical Intelligence class
+*/
+
+#ifndef SeekerAI_h
+#define SeekerAI_h
+
+#include "Types.h"
+#include "SteerAI.h"
+#include "SimObject.h"
+
+// +--------------------------------------------------------------------+
+
+class Ship;
+class Shot;
+
+class SeekerAI : public SteerAI
+{
+public:
+    SeekerAI(SimObject* s);
+    virtual ~SeekerAI();
+
+    virtual int       Type()      const { return 1001; }
+    virtual int       Subframe()  const { return true; }
+
+    virtual void      ExecFrame(double seconds);
+    virtual void      FindObjective();
+    virtual void      SetTarget(SimObject* targ, System* sub=0);
+    virtual bool      Overshot();
+
+    virtual void      SetPursuit(int p)  { pursuit = p;    }
+    virtual int       GetPursuit() const { return pursuit; }
+
+    virtual void      SetDelay(double d) { delay = d;      }
+    virtual double    GetDelay() const   { return delay;   }
+
+    virtual bool         Update(SimObject* obj);
+    virtual const char*  GetObserverName() const;
+
+protected:
+    // behaviors:
+    virtual Steer     AvoidCollision();
+    virtual Steer     SeekTarget();
+
+    // accumulate behaviors:
+    virtual void      Navigator();
+
+    virtual void      CheckDecoys(double distance);
+
+    Ship*             orig_target;
+    Shot*             shot;
+    int               pursuit;    // type of pursuit curve
+    // 1: pure pursuit
+    // 2: lead pursuit
+
+    double            delay;      // don't start seeking until then
+    bool              overshot;
+};
+
+// +--------------------------------------------------------------------+
+
+#endif SeekerAI_h
+