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engines/tony/input.cpp

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+/* 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