Initial commit

engines/stark/movement/movement.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 "engines/stark/movement/movement.h"
+
+#include "engines/stark/movement/walk.h"
+#include "engines/stark/movement/followpath.h"
+#include "engines/stark/movement/followpathlight.h"
+#include "engines/stark/movement/turn.h"
+
+#include "engines/stark/resources/item.h"
+
+#include "common/textconsole.h"
+
+namespace Stark {
+
+Movement *Movement::construct(uint32 type, Resources::ItemVisual *item) {
+	switch (type) {
+		case kTypeWalk:
+			return new Walk(Resources::Object::cast<Resources::FloorPositionedItem>(item));
+		case kTypeFollowPath:
+			return new FollowPath(item);
+		case kTypeFollowPathLight:
+			return new FollowPathLight(item);
+		case kTypeTurn:
+			return new Turn(Resources::Object::cast<Resources::FloorPositionedItem>(item));
+		default:
+			error("Unexpected movement type '%d'", type);
+	}
+}
+
+Movement::Movement(Resources::ItemVisual *item) :
+		_ended(false),
+		_item(item),
+		_defaultTurnAngleSpeed(18.0f * 30.0f / 1000.0f) { // 18 degrees per gameloop at 30 fps
+}
+
+Movement::~Movement() {
+}
+
+void Movement::start() {
+	_ended = false;
+}
+
+void Movement::stop(bool force) {
+	_ended = true;
+}
+
+bool Movement::hasEnded() const {
+	return _ended;
+}
+
+float Movement::computeAngleBetweenVectorsXYPlane(const Math::Vector3d &v1, const Math::Vector3d &v2) const {
+	Math::Vector3d v1XY = v1;
+	v1XY.z() = 0.0;
+
+	Math::Vector3d v2XY = v2;
+	v2XY.z() = 0.0;
+
+	Math::Angle angle = Math::Vector3d::angle(v1XY, v2XY);
+	Math::Vector3d cross = Math::Vector3d::crossProduct(v1XY, v2XY);
+	if (cross.z() < 0) {
+		angle = -angle;
+	}
+
+	return angle.getDegrees();
+}
+
+bool Movement::hasReachedDestination() const {
+	return true;
+}
+} // End of namespace Stark