Initial commit

engines/alcachofa/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/>.
+ *
+ */
+
+#include "alcachofa/input.h"
+#include "alcachofa/alcachofa.h"
+#include "alcachofa/metaengine.h"
+
+using namespace Common;
+
+namespace Alcachofa {
+
+void Input::nextFrame() {
+	if (_debugInput != nullptr)
+		return _debugInput->nextFrame();
+
+	_wasMouseLeftPressed = false;
+	_wasMouseRightPressed = false;
+	_wasMouseLeftReleased = false;
+	_wasMouseRightReleased = false;
+	_wasMenuKeyPressed = false;
+	_wasInventoryKeyPressed = false;
+	updateMousePos3D(); // camera transformation might have changed
+}
+
+bool Input::handleEvent(const Common::Event &event) {
+	if (_debugInput != nullptr) {
+		auto result = _debugInput->handleEvent(event);
+		_mousePos2D = _debugInput->mousePos2D(); // even for debug input we want to e.g. draw a cursor
+		_mousePos3D = _debugInput->mousePos3D();
+		return result;
+	}
+
+	switch (event.type) {
+	case EVENT_LBUTTONDOWN:
+		_wasMouseLeftPressed = true;
+		_isMouseLeftDown = true;
+		return true;
+	case EVENT_LBUTTONUP:
+		_wasMouseLeftReleased = true;
+		_isMouseLeftDown = false;
+		return true;
+	case EVENT_RBUTTONDOWN:
+		_wasMouseRightPressed = true;
+		_isMouseRightDown = true;
+		return true;
+	case EVENT_RBUTTONUP:
+		_wasMouseRightReleased = true;
+		_isMouseRightDown = false;
+		return true;
+	case EVENT_MOUSEMOVE: {
+		_mousePos2D = event.mouse;
+		updateMousePos3D();
+		return true;
+	case EVENT_CUSTOM_ENGINE_ACTION_START:
+		switch ((EventAction)event.customType) {
+		case EventAction::InputMenu:
+			_wasMenuKeyPressed = true;
+			return true;
+		case EventAction::InputInventory:
+			_wasInventoryKeyPressed = true;
+			return true;
+		default:
+			return false;
+		}
+	}
+	default:
+		return false;
+	}
+}
+
+void Input::toggleDebugInput(bool debugMode) {
+	if (!debugMode) {
+		_debugInput.reset();
+		return;
+	}
+	nextFrame(); // resets frame-specific flags
+	_isMouseLeftDown = _isMouseRightDown = false;
+	if (_debugInput == nullptr)
+		_debugInput.reset(new Input());
+}
+
+void Input::updateMousePos3D() {
+	auto pos3D = g_engine->camera().transform2Dto3D({ (float)_mousePos2D.x, (float)_mousePos2D.y, kBaseScale });
+	_mousePos3D = { (int16)pos3D.x(), (int16)pos3D.y() };
+}
+
+}