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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:         QuantumDrive.h
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Quantum (JUMP) Drive (system) class
+*/
+
+#ifndef QuantumDrive_h
+#define QuantumDrive_h
+
+#include "Types.h"
+#include "System.h"
+#include "Geometry.h"
+
+// +--------------------------------------------------------------------+
+
+class Ship;
+class SimRegion;
+
+// +--------------------------------------------------------------------+
+
+class QuantumDrive : public System
+{
+public:
+    enum SUBTYPE { QUANTUM, HYPER };
+
+    QuantumDrive(SUBTYPE s, double capacity, double sink_rate);
+    QuantumDrive(const QuantumDrive& rhs);
+    virtual ~QuantumDrive();
+
+    enum ACTIVE_STATES {
+        ACTIVE_READY, ACTIVE_COUNTDOWN, ACTIVE_PREWARP, ACTIVE_POSTWARP
+    };
+
+    void              SetDestination(SimRegion* rgn, const Point& loc);
+    bool              Engage(bool immediate=false);
+    int               ActiveState() const { return active_state; }
+    double            WarpFactor()  const { return warp_fov;     }
+    double            JumpTime()    const { return jump_time;    }
+    virtual void      PowerOff();
+
+    virtual void      ExecFrame(double seconds);
+
+    void              SetShip(Ship* s)  { ship = s;    }
+    Ship*             GetShip() const   { return ship; }
+
+    double            GetCountdown() const    { return countdown; }
+    void              SetCountdown(double d)  { countdown = d;    }
+
+protected:
+    void              Jump();
+    void              AbortJump();
+
+    int               active_state;
+
+    Ship*             ship;
+    double            warp_fov;
+    double            jump_time;
+    double            countdown;
+
+    SimRegion*        dst_rgn;
+    Point             dst_loc;
+};
+
+#endif // QuantumDrive_h
+