scummvm/engines/tony/input.cpp
2021-12-26 18:48:43 +01:00

128 lines
3.2 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* This code is based on original Tony Tough source code
*
* Copyright (c) 1997-2003 Nayma Software
*/
#include "tony/gfxengine.h"
#include "tony/tony.h"
namespace Tony {
RMInput::RMInput() {
_leftClickMouse = _leftReleaseMouse = false;
_rightClickMouse = _rightReleaseMouse = false;
}
void RMInput::poll() {
_leftClickMouse = _leftReleaseMouse = _rightClickMouse = _rightReleaseMouse = false;
// Get pending events
while (g_system->getEventManager()->pollEvent(_event) && !g_vm->shouldQuit()) {
switch (_event.type) {
case Common::EVENT_MOUSEMOVE:
case Common::EVENT_LBUTTONDOWN:
case Common::EVENT_LBUTTONUP:
case Common::EVENT_RBUTTONDOWN:
case Common::EVENT_RBUTTONUP:
_mousePos = _event.mouse;
if (_event.type == Common::EVENT_LBUTTONDOWN) {
_leftClickMouse = true;
} else if (_event.type == Common::EVENT_LBUTTONUP) {
_leftReleaseMouse = true;
} else if (_event.type == Common::EVENT_RBUTTONDOWN) {
_rightClickMouse = true;
} else if (_event.type == Common::EVENT_RBUTTONUP) {
_rightReleaseMouse = true;
} else
continue;
// Since a mouse button has changed, don't do any further event processing this frame
return;
case Common::EVENT_KEYDOWN:
// Flag the given key as being down
_keyDown.push_back(_event.kbd.keycode);
return;
case Common::EVENT_KEYUP:
for (uint i = 0; i < _keyDown.size(); i++) {
if (_keyDown[i] == _event.kbd.keycode) {
_keyDown.remove_at(i);
break;
}
}
return;
default:
break;
}
}
}
/**
* Return true if a key has been pressed
*/
bool RMInput::getAsyncKeyState(Common::KeyCode kc) {
// The act of testing for a particular key automatically clears the state, to prevent
// the same key being registered in multiple different frames
for (uint i = 0; i < _keyDown.size(); i++) {
if (_keyDown[i] == kc) {
_keyDown.remove_at(i);
return true;
}
}
return false;
}
/**
* Reading of the mouse
*/
RMPoint RMInput::mousePos() {
RMPoint p(_mousePos.x, _mousePos.y);
return p;
}
/**
* Events of mouse clicks
*/
bool RMInput::mouseLeftClicked() {
return _leftClickMouse;
}
bool RMInput::mouseRightClicked() {
return _rightClickMouse;
}
bool RMInput::mouseLeftReleased() {
return _leftReleaseMouse;
}
bool RMInput::mouseRightReleased() {
return _rightReleaseMouse;
}
} // End of namespace Tony