102 lines
2.8 KiB
Text
102 lines
2.8 KiB
Text
/**
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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 analogNode.I
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* @author drose
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* @date 2002-03-12
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*/
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/**
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*
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*/
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INLINE AnalogNode::OutputData::
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OutputData() {
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_index = -1;
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_flip = false;
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}
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/**
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* Returns true if the AnalogNode is valid and connected to a server, false
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* otherwise.
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*/
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INLINE bool AnalogNode::
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is_valid() const {
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return (_analog != nullptr) && _analog->is_connected();
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}
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/**
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* Returns the number of analog controls known to the AnalogNode. This number
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* may change as more controls are discovered.
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*/
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INLINE int AnalogNode::
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get_num_controls() const {
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return _analog->get_num_axes();
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}
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/**
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* Returns the current position of indicated analog control identified by its
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* index number, or 0.0 if the control is unknown. The normal range of a
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* single control is -1.0 to 1.0.
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*/
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INLINE double AnalogNode::
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get_control_state(int index) const {
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return _analog->get_axis_value(index);
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}
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/**
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* Returns true if the state of the indicated analog control is known, or
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* false if we have never heard anything about this particular control.
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*/
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INLINE bool AnalogNode::
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is_control_known(int index) const {
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return _analog->is_axis_known(index);
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}
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/**
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* Causes a particular analog control to be placed in the data graph for the
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* indicated channel. Normally, a mouse uses channels 0 and 1 for the X and Y
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* information, respectively; channels 0, 1, and 2 are available. If flip is
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* true, the analog control value will be reversed before outputting it.
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*/
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INLINE void AnalogNode::
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set_output(int channel, int index, bool flip) {
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nassertv(channel >= 0 && channel < max_outputs);
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_outputs[channel]._index = index;
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_outputs[channel]._flip = flip;
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}
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/**
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* Removes the output to the data graph associated with the indicated channel.
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* See set_output().
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*/
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INLINE void AnalogNode::
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clear_output(int channel) {
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nassertv(channel >= 0 && channel < max_outputs);
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_outputs[channel]._index = -1;
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}
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/**
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* Returns the analog control index that is output to the data graph on the
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* indicated channel, or -1 if no control is output on that channel. See
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* set_output().
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*/
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INLINE int AnalogNode::
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get_output(int channel) const {
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nassertr(channel >= 0 && channel < max_outputs, -1);
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return _outputs[channel]._index;
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}
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/**
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* Returns true if the analog control index that is output to the data graph
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* on the indicated channel is flipped. See set_output().
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*/
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INLINE bool AnalogNode::
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is_output_flipped(int channel) const {
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nassertr(channel >= 0 && channel < max_outputs, false);
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return _outputs[channel]._flip;
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}
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