open_toontown_panda3d/panda/src/device/virtualMouse.cxx

145 lines
5.6 KiB
C++

// Filename: virtualMouse.cxx
// Created by: drose (12Mar02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "virtualMouse.h"
TypeHandle VirtualMouse::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::Constructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
VirtualMouse::
VirtualMouse(const string &name) :
DataNode(name)
{
_pixel_xy_output = define_output("pixel_xy", EventStoreVec2::get_class_type());
_xy_output = define_output("xy", EventStoreVec2::get_class_type());
_button_events_output = define_output("button_events", ButtonEventList::get_class_type());
_pixel_xy = new EventStoreVec2(LPoint2f(0.0f, 0.0f));
_xy = new EventStoreVec2(LPoint2f(0.0f, 0.0f));
_button_events = new ButtonEventList;
_next_button_events = new ButtonEventList;
_mouse_x = 0;
_mouse_y = 0;
_win_width = 100;
_win_height = 100;
_mouse_on = false;
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::set_mouse_pos
// Access: Published
// Description: Sets the current mouse pixel location, where (0,0) is
// the upper left, and (width-1, height-1) is the lower
// right pixel of the virtual window.
////////////////////////////////////////////////////////////////////
void VirtualMouse::
set_mouse_pos(int x, int y) {
_mouse_x = x;
_mouse_y = y;
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::set_window_size
// Access: Published
// Description: Sets the size of the "window" in which the mouse
// rolls. This changes the meaning of the values passed
// to set_mouse_pos().
////////////////////////////////////////////////////////////////////
void VirtualMouse::
set_window_size(int width, int height) {
_win_width = width;
_win_height = height;
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::set_mouse_on
// Access: Published
// Description: Sets whether the mouse should appear to be within the
// window or not. If this is true, the mouse is within
// the window; if false, the mouse is not within the
// window (and set_mouse_pos() means nothing).
////////////////////////////////////////////////////////////////////
void VirtualMouse::
set_mouse_on(bool flag) {
_mouse_on = flag;
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::press_button
// Access: Published
// Description: Simulates a mouse or keyboard button being depressed.
// This should be followed up by a call to
// release_button() sometime later (possibly
// immediately).
////////////////////////////////////////////////////////////////////
void VirtualMouse::
press_button(ButtonHandle button) {
_next_button_events->add_event(ButtonEvent(button, ButtonEvent::T_down));
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::release_button
// Access: Published
// Description: Simulates the button being released. This should
// follow a previous call to press_button().
////////////////////////////////////////////////////////////////////
void VirtualMouse::
release_button(ButtonHandle button) {
_next_button_events->add_event(ButtonEvent(button, ButtonEvent::T_up));
}
////////////////////////////////////////////////////////////////////
// Function: VirtualMouse::do_transmit_data
// Access: Protected, Virtual
// Description: The virtual implementation of transmit_data(). This
// function receives an array of input parameters and
// should generate an array of output parameters. The
// input parameters may be accessed with the index
// numbers returned by the define_input() calls that
// were made earlier (presumably in the constructor);
// likewise, the output parameters should be set with
// the index numbers returned by the define_output()
// calls.
////////////////////////////////////////////////////////////////////
void VirtualMouse::
do_transmit_data(const DataNodeTransmit &, DataNodeTransmit &output) {
// Swap in the button events, and clear them for next time.
PT(ButtonEventList) events = _button_events;
_button_events = _next_button_events;
_next_button_events = events;
_next_button_events->clear();
output.set_data(_button_events_output, EventParameter(_button_events));
if (_mouse_on) {
// The mouse is within the window.
_pixel_xy->set_value(LPoint2f(_mouse_x, _mouse_y));
output.set_data(_pixel_xy_output, EventParameter(_pixel_xy));
// Normalize pixel motion to range [-1,1].
float xf = (2.0f * (float)_mouse_x) / (float)_win_width - 1.0f;
float yf = 1.0f - (2.0f * (float)_mouse_y) / (float)_win_height;
_xy->set_value(LPoint2f(xf, yf));
output.set_data(_xy_output, EventParameter(_xy));
}
}