add missing files

src/emucore/Lightgun.cxx

@@ -0,0 +1,72 @@
+//============================================================================
+//
+//   SSSS    tt          lll  lll
+//  SS  SS   tt           ll   ll
+//  SS     tttttt  eeee   ll   ll   aaaa
+//   SSSS    tt   ee  ee  ll   ll      aa
+//      SS   tt   eeeeee  ll   ll   aaaaa  --  "An Atari 2600 VCS Emulator"
+//  SS  SS   tt   ee      ll   ll  aa  aa
+//   SSSS     ttt  eeeee llll llll  aaaaa
+//
+// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
+// and the Stella Team
+//
+// See the file "License.txt" for information on usage and redistribution of
+// this file, and for a DISCLAIMER OF ALL WARRANTIES.
+//============================================================================
+
+#include "Lightgun.hxx"
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Lightgun::Lightgun(Jack jack, const Event& event, const System& system)
+  : Controller(jack, event, system, Controller::Type::Lightgun)
+{
+  if (myJack == Jack::Left)
+  {
+    myFireEvent = Event::JoystickZeroFire;
+    //myFireEvent = Event::LightgunZeroFire;
+    myPosValue = Event::LightgunZeroPos;
+  }
+  else
+  {
+    myFireEvent = Event::JoystickOneFire;
+    //myFireEvent = Event::LightgunOneFire;
+    myPosValue = Event::LightgunOnePos;
+  }
+
+  // Digital pins 1, 2 and 6 are not connected (TOOD: check)
+  //setPin(DigitalPin::One, true);
+  //setPin(DigitalPin::Two, true);
+  //setPin(DigitalPin::Six, true);
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Lightgun::update()
+{
+  // |              | Left port   | Right port  |
+  // | Fire button  | SWCHA bit 4 | SWCHA bit 0 | DP:1
+  // | Detect light | INPT4 bit 7 | INPT5 bit 7 | DP:6
+
+  myCharge = BSPF::clamp(myEvent.get(Event::MouseAxisXValue) * MOUSE_SENSITIVITY, TRIGMIN, TRIGMAX);
+
+  if (myCharge != myLastCharge)
+  {
+    setPin(DigitalPin::Six, Int32(MAX_RESISTANCE * (myCharge / double(TRIGMAX))));
+    myLastCharge = myCharge;
+  }
+
+  setPin(DigitalPin::One, myEvent.get(Event::MouseButtonLeftValue) ? false : true);
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+void Lightgun::setMouseSensitivity(int sensitivity)
+{
+  MOUSE_SENSITIVITY = BSPF::clamp(sensitivity, 1, MAX_MOUSE_SENSE);
+}
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+int Lightgun::MOUSE_SENSITIVITY = -1;
+
+// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+//const Controller::DigitalPin Lightgun::ourButtonPin = DigitalPin::One; // TODO
+

src/emucore/Lightgun.hxx

@@ -0,0 +1,96 @@
+//============================================================================
+//
+//   SSSS    tt          lll  lll
+//  SS  SS   tt           ll   ll
+//  SS     tttttt  eeee   ll   ll   aaaa
+//   SSSS    tt   ee  ee  ll   ll      aa
+//      SS   tt   eeeeee  ll   ll   aaaaa  --  "An Atari 2600 VCS Emulator"
+//  SS  SS   tt   ee      ll   ll  aa  aa
+//   SSSS     ttt  eeeee llll llll  aaaaa
+//
+// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
+// and the Stella Team
+//
+// See the file "License.txt" for information on usage and redistribution of
+// this file, and for a DISCLAIMER OF ALL WARRANTIES.
+//============================================================================
+
+#ifndef LIGHTGUN_HXX
+#define LIGHTGUN_HXX
+
+#include "bspf.hxx"
+#include "Control.hxx"
+#include "Event.hxx"
+
+/**
+  This class handles the lighgun controller
+
+  @author  Thomas Jentzsch
+*/
+
+class Lightgun : public Controller
+{
+public:
+  /**
+    Create a new pair of paddle controllers plugged into the specified jack
+
+    @param jack   The jack the controller is plugged into
+    @param event  The event object to use for events
+    @param system The system using this controller
+  */
+  Lightgun(Jack jack, const Event& event, const System& system);
+  virtual ~Lightgun() = default;
+
+public:
+  static constexpr int MAX_MOUSE_SENSE = 20;
+
+  /**
+    Update the entire digital and analog pin state according to the
+    events currently set.
+  */
+  void update() override;
+
+  /**
+    Returns the name of this controller.
+  */
+  string name() const override { return "Lightgun"; }
+
+  /**
+    Answers whether the controller is intrinsically an analog controller.
+  */
+  bool isAnalog() const override { return true; }
+
+  /**
+    Sets the sensitivity for analog emulation of lightgun movement
+    using a mouse.
+
+    @param sensitivity  Value from 1 to MAX_MOUSE_SENSE, with larger
+                        values causing more movement
+  */
+  static void setMouseSensitivity(int sensitivity);
+
+private:
+  // Pre-compute the events we care about based on given port
+  // This will eliminate test for left or right port in update()
+  Event::Type myPosValue, myFireEvent;
+
+  int myCharge, myLastCharge;
+
+  static constexpr int TRIGMIN = 1;
+  static constexpr int TRIGMAX = 4096;
+
+  static int MOUSE_SENSITIVITY;
+
+  // Lookup table for associating paddle buttons with controller pins
+  static const Controller::DigitalPin ourButtonPin;
+
+private:
+  // Following constructors and assignment operators not supported
+  Lightgun() = delete;
+  Lightgun(const Lightgun&) = delete;
+  Lightgun(Lightgun&&) = delete;
+  Lightgun& operator=(const Lightgun&) = delete;
+  Lightgun& operator=(Lightgun&&) = delete;
+};
+
+#endif