Initial commit

engines/hpl1/engine/input/Mouse.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/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#include "common/bitarray.h"
+#include "common/events.h"
+#include "hpl1/engine/graphics/LowLevelGraphics.h"
+#include "hpl1/engine/input/InputTypes.h"
+#include "hpl1/engine/input/LowLevelInput.h"
+#include "hpl1/engine/input/Mouse.h"
+
+namespace hpl {
+
+//////////////////////////////////////////////////////////////////////////
+// CONSTRUCTORS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+Mouse::Mouse(LowLevelInput *apLowLevelInputSDL, iLowLevelGraphics *apLowLevelGraphics) : iInputDevice("Mouse", eInputDeviceType_Mouse) {
+	mfMaxPercent = 0.7f;
+	mfMinPercent = 0.1f;
+	mlBufferSize = 6;
+
+	_buttonState.set_size(eMButton_LastEnum);
+
+	_lowLevelInputSDL = apLowLevelInputSDL;
+	_lowLevelGraphics = apLowLevelGraphics;
+
+	_relMousePos = cVector2f(0, 0);
+	_absMousePos = cVector2f(0, 0);
+}
+
+//-----------------------------------------------------------------------
+
+//////////////////////////////////////////////////////////////////////////
+// PUBLIC METHODS
+//////////////////////////////////////////////////////////////////////////
+
+//-----------------------------------------------------------------------
+
+static void setMouseState(const int state, Common::BitArray &states) {
+	if (state != Common::EVENT_WHEELDOWN)
+		states.unset(eMButton_WheelDown);
+	if (state != Common::EVENT_WHEELUP)
+		states.unset(eMButton_WheelUp);
+
+	switch (state) {
+	case Common::EVENT_LBUTTONDOWN:
+		return states.set(eMButton_Left);
+	case Common::EVENT_LBUTTONUP:
+		return states.unset(eMButton_Left);
+	case Common::EVENT_RBUTTONDOWN:
+		return states.set(eMButton_Right);
+	case Common::EVENT_RBUTTONUP:
+		return states.unset(eMButton_Right);
+	case Common::EVENT_MBUTTONDOWN:
+		return states.set(eMButton_Middle);
+	case Common::EVENT_MBUTTONUP:
+		return states.unset(eMButton_Middle);
+	case Common::EVENT_WHEELUP:
+		return states.set(eMButton_WheelUp);
+	case Common::EVENT_WHEELDOWN:
+		return states.set(eMButton_WheelDown);
+	}
+}
+
+void Mouse::processEvent(const Common::Event &ev) {
+	if (!Common::isMouseEvent(ev))
+		return;
+	if (ev.type == Common::EVENT_MOUSEMOVE) {
+		_absMousePos = cVector2f(ev.mouse.x, ev.mouse.y);
+	} else {
+		setMouseState(ev.type, _buttonState);
+	}
+	_relMousePos = cVector2f(ev.relMouse.x, ev.relMouse.y);
+}
+
+void Mouse::Update() {
+	for (const Common::Event &ev : _lowLevelInputSDL->_events)
+		processEvent(ev);
+}
+
+//-----------------------------------------------------------------------
+
+bool Mouse::ButtonIsDown(eMButton mButton) {
+	return _buttonState.get(mButton);
+}
+
+//-----------------------------------------------------------------------
+
+cVector2f Mouse::GetAbsPosition() {
+	cVector2f vPos = _absMousePos;
+
+	return vPos;
+}
+
+//-----------------------------------------------------------------------
+
+cVector2f Mouse::GetRelPosition() {
+	cVector2f vPos = _relMousePos;
+	_relMousePos = cVector2f(0, 0);
+	return vPos;
+}
+
+//-----------------------------------------------------------------------
+
+void Mouse::Reset() {
+	error("call to unimplemented function Mouse::Reset");
+}
+
+//-----------------------------------------------------------------------
+
+void Mouse::SetSmoothProperties(float afMinPercent,
+								float afMaxPercent, unsigned int alBufferSize) {
+	mfMaxPercent = afMaxPercent;
+	mfMinPercent = afMinPercent;
+	mlBufferSize = alBufferSize;
+}
+
+//-----------------------------------------------------------------------
+
+} // namespace hpl