Initial commit

engines/asylum/puzzles/puzzle.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 "asylum/puzzles/puzzle.h"
+
+#include "asylum/resources/polygons.h"
+#include "asylum/resources/worldstats.h"
+
+#include "asylum/system/cursor.h"
+#include "asylum/system/graphics.h"
+#include "asylum/system/screen.h"
+
+#include "asylum/views/scene.h"
+
+#include "asylum/asylum.h"
+
+namespace Asylum {
+
+Puzzle::Puzzle(AsylumEngine *engine): _vm(engine) {
+}
+
+void Puzzle::saveLoadWithSerializer(Common::Serializer &) {
+	// By default, we do not save any data
+}
+
+//////////////////////////////////////////////////////////////////////////
+// Event Handling
+//////////////////////////////////////////////////////////////////////////
+bool Puzzle::handleEvent(const AsylumEvent &evt) {
+	switch ((int32)evt.type) {
+	default:
+		break;
+
+	case EVENT_ASYLUM_INIT:
+		return init(evt);
+
+	case EVENT_ASYLUM_ACTIVATE:
+		return activate(evt);
+
+	case EVENT_ASYLUM_UPDATE:
+		return update(evt);
+
+	case Common::EVENT_LBUTTONDOWN:
+		return mouseLeftDown(evt);
+
+	case Common::EVENT_LBUTTONUP:
+		return mouseLeftUp(evt);
+
+	case Common::EVENT_RBUTTONDOWN:
+	case Common::EVENT_CUSTOM_ENGINE_ACTION_START:
+		return exitPuzzle();
+	}
+
+	return false;
+}
+
+bool Puzzle::update(const AsylumEvent &evt) {
+	uint32 ticks = _vm->getTick();
+
+	updateCursor();
+
+	if (!getSharedData()->getFlag(kFlagRedraw)) {
+		updateScreen();
+
+		getSharedData()->setFlag(kFlagRedraw, true);
+	}
+
+	if (ticks > getSharedData()->getNextScreenUpdate()) {
+		if (getSharedData()->getFlag(kFlagRedraw)) {
+			if (!getScreen()->isGraphicQueueEmpty())
+				getScreen()->drawGraphicsInQueue();
+			getScreen()->copyBackBufferToScreen();
+
+			getSharedData()->setEventUpdate(getSharedData()->getEventUpdate() ^ 1);
+
+			getSharedData()->setFlag(kFlagRedraw, false);
+			getSharedData()->setNextScreenUpdate(ticks + 40);
+		}
+	}
+
+	return true;
+}
+
+//////////////////////////////////////////////////////////////////////////
+// Hit test functions
+//////////////////////////////////////////////////////////////////////////
+
+bool Puzzle::hitTest(const int16 (*polygonPoint)[2], const Common::Point &point, uint32 index) const {
+	Common::Point p1(polygonPoint[index + 0][0], polygonPoint[index + 0][1]),
+				  p2(polygonPoint[index + 1][0], polygonPoint[index + 1][1]),
+				  p3(polygonPoint[index + 2][0], polygonPoint[index + 2][1]),
+				  p4(polygonPoint[index + 3][0], polygonPoint[index + 3][1]);
+
+	Polygon polygon(p1, p2, p3, p4);
+
+	return polygon.contains(point);
+}
+
+bool Puzzle::hitTest(const int16 (*polygonPoint)[2], const Common::Point &point) const {
+	return hitTest(polygonPoint, point, 0);
+}
+
+} // end of namespace Asylum