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8edc019307
- Rename "controls" terminology for analog inputs to "axes" - Change some naming of accessors - Unexpose methods where they are available as properties - Add serial_number field - Put battery levels under a "battery" field
90 lines
2.7 KiB
C++
90 lines
2.7 KiB
C++
/**
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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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* @file InputDeviceNode.cxx
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* @author fireclaw
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* @date 2016-07-14
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*/
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#include "config_device.h"
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#include "inputDeviceNode.h"
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#include "dataNodeTransmit.h"
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#include "inputDeviceManager.h"
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TypeHandle InputDeviceNode::_type_handle;
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InputDeviceNode::
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InputDeviceNode(InputDevice *device, const std::string &name) :
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DataNode(name),
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_device(device)
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{
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_button_events_output = define_output("button_events", ButtonEventList::get_class_type());
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_low_battery_event_output = define_output("low_battery_level_event", EventStoreInt::get_class_type());
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}
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/**
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* Redirects the class to get the data from a different device.
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*/
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void InputDeviceNode::
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set_device(InputDevice *device) {
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_device = device;
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}
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/**
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* Returns the associated device.
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*/
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PT(InputDevice) InputDeviceNode::
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get_device() const {
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return _device;
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}
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/**
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* The virtual implementation of transmit_data(). This function receives an
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* array of input parameters and should generate an array of output
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* parameters. The input parameters may be accessed with the index numbers
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* returned by the define_input() calls that were made earlier (presumably in
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* the constructor); likewise, the output parameters should be set with the
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* index numbers returned by the define_output() calls.
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*/
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void InputDeviceNode::
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do_transmit_data(DataGraphTraverser *, const DataNodeTransmit &,
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DataNodeTransmit &output) {
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if (_device == nullptr && !_device->is_connected()) {
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return;
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}
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_device->poll();
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// get all button events of the device and forward them to the data graph
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if (_device->has_button_event()) {
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PT(ButtonEventList) bel = _device->get_button_events();
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// Register the current state for each button.
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for (int i = 0; i < bel->get_num_events(); ++i) {
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const ButtonEvent &event = bel->get_event(i);
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if (event._type == ButtonEvent::T_down) {
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_button_states[event._button] = true;
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} else if (event._type == ButtonEvent::T_down) {
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_button_states[event._button] = false;
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}
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}
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output.set_data(_button_events_output, EventParameter(bel));
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}
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// calculate the battery level in percent and set a warning if the level is to low
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/*if (_device->has_battery()) {
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short bl = _device->get_battery_level();
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short bl_percent = bl / (_device->get_max_battery_level() / (short)100);
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if (bl_percent <= low_battery_level) {
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output.set_data(_low_battery_event_output, EventParameter(1));
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}
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}*/
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}
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