Panda3D
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00001 // Filename: clientAnalogDevice.I 00002 // Created by: drose (26Jan01) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 00016 //////////////////////////////////////////////////////////////////// 00017 // Function: ClientAnalogDevice::AnalogState::Constructor 00018 // Access: Public 00019 // Description: 00020 //////////////////////////////////////////////////////////////////// 00021 INLINE ClientAnalogDevice::AnalogState:: 00022 AnalogState() : 00023 _state(0.0), 00024 _known(false) 00025 { 00026 } 00027 00028 //////////////////////////////////////////////////////////////////// 00029 // Function: ClientAnalogDevice::Constructor 00030 // Access: Protected 00031 // Description: 00032 //////////////////////////////////////////////////////////////////// 00033 INLINE ClientAnalogDevice:: 00034 ClientAnalogDevice(ClientBase *client, const string &device_name): 00035 ClientDevice(client, get_class_type(), device_name) 00036 { 00037 } 00038 00039 //////////////////////////////////////////////////////////////////// 00040 // Function: ClientAnalogDevice::get_num_controls 00041 // Access: Public 00042 // Description: Returns the number of analog controls known to the 00043 // ClientAnalogDevice. This number may change as 00044 // more controls are discovered. 00045 //////////////////////////////////////////////////////////////////// 00046 INLINE int ClientAnalogDevice:: 00047 get_num_controls() const { 00048 return _controls.size(); 00049 } 00050 00051 //////////////////////////////////////////////////////////////////// 00052 // Function: ClientAnalogDevice::set_control_state 00053 // Access: Public 00054 // Description: Sets the state of the indicated analog index. The 00055 // caller should ensure that acquire() is in effect while 00056 // this call is made. This should be a number in the 00057 // range -1.0 to 1.0, representing the current position 00058 // of the control within its total range of movement. 00059 //////////////////////////////////////////////////////////////////// 00060 INLINE void ClientAnalogDevice:: 00061 set_control_state(int index, double state) { 00062 ensure_control_index(index); 00063 nassertv(index >= 0 && index < (int)_controls.size()); 00064 _controls[index]._state = state; 00065 _controls[index]._known = true; 00066 } 00067 00068 //////////////////////////////////////////////////////////////////// 00069 // Function: ClientAnalogDevice::get_control_state 00070 // Access: Public 00071 // Description: Returns the current position of indicated analog 00072 // control (identified by its index number), or 0.0 if 00073 // the control is unknown. The normal range of a single 00074 // control is -1.0 to 1.0. 00075 //////////////////////////////////////////////////////////////////// 00076 INLINE double ClientAnalogDevice:: 00077 get_control_state(int index) const { 00078 if (index >= 0 && index < (int)_controls.size()) { 00079 return _controls[index]._state; 00080 } else { 00081 return 0.0; 00082 } 00083 } 00084 00085 //////////////////////////////////////////////////////////////////// 00086 // Function: ClientAnalogDevice::is_control_known 00087 // Access: Public 00088 // Description: Returns true if the state of the indicated analog 00089 // control is known, or false if we have never heard 00090 // anything about this particular control. 00091 //////////////////////////////////////////////////////////////////// 00092 INLINE bool ClientAnalogDevice:: 00093 is_control_known(int index) const { 00094 if (index >= 0 && index < (int)_controls.size()) { 00095 return _controls[index]._known; 00096 } else { 00097 return false; 00098 } 00099 }