83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
// Filename: clientDialDevice.h
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// Created by: drose (26Jan01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) Carnegie Mellon University. All rights reserved.
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//
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// All use of this software is subject to the terms of the revised BSD
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// license. You should have received a copy of this license along
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// with this source code in a file named "LICENSE."
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//
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////////////////////////////////////////////////////////////////////
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#ifndef CLIENTDIALDEVICE_H
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#define CLIENTDIALDEVICE_H
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#include "pandabase.h"
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#include "clientDevice.h"
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////////////////////////////////////////////////////////////////////
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// Class : ClientDialDevice
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// Description : A device, attached to the ClientBase by a
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// DialNode, that records the data from a single
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// named dial device. The named device can contain
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// any number of dials, numbered in sequence beginning
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// at zero.
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//
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// A dial is a rotating device that does not have
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// stops--it can keep rotating any number of times.
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// Therefore it does not have a specific position at any
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// given time, unlike an AnalogDevice.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_DEVICE ClientDialDevice : public ClientDevice {
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protected:
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INLINE ClientDialDevice(ClientBase *client, const string &device_name);
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public:
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INLINE int get_num_dials() const;
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INLINE void push_dial(int index, double offset);
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INLINE double read_dial(int index);
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INLINE bool is_dial_known(int index) const;
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private:
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void ensure_dial_index(int index);
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protected:
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class DialState {
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public:
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INLINE DialState();
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double _offset;
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bool _known;
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};
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typedef pvector<DialState> Dials;
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Dials _dials;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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ClientDevice::init_type();
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register_type(_type_handle, "ClientDialDevice",
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ClientDevice::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "clientDialDevice.I"
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#endif
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