/*
* Catroid: An on-device visual programming system for Android devices
* Copyright (C) 2010-2016 The Catrobat Team
* (<http://developer.catrobat.org/credits>)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* An additional term exception under section 7 of the GNU Affero
* General Public License, version 3, is available at
* http://developer.catrobat.org/license_additional_term
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.catrobat.catroid.test.physics;
import android.test.InstrumentationTestCase;
import android.util.Log;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.PolygonShape;
import com.badlogic.gdx.physics.box2d.Shape;
import com.badlogic.gdx.utils.GdxNativesLoader;
import org.catrobat.catroid.ProjectManager;
import org.catrobat.catroid.common.Constants;
import org.catrobat.catroid.common.LookData;
import org.catrobat.catroid.content.Look;
import org.catrobat.catroid.content.Project;
import org.catrobat.catroid.content.SingleSprite;
import org.catrobat.catroid.content.Sprite;
import org.catrobat.catroid.io.StorageHandler;
import org.catrobat.catroid.physics.PhysicsLook;
import org.catrobat.catroid.physics.PhysicsObject;
import org.catrobat.catroid.physics.PhysicsWorld;
import org.catrobat.catroid.physics.shapebuilder.PhysicsShapeBuilder;
import org.catrobat.catroid.physics.shapebuilder.PhysicsShapeScaleUtils;
import org.catrobat.catroid.test.R;
import org.catrobat.catroid.test.utils.PhysicsTestUtils;
import org.catrobat.catroid.test.utils.Reflection;
import org.catrobat.catroid.test.utils.TestUtils;
import org.catrobat.catroid.utils.UtilFile;
import org.catrobat.catroid.utils.Utils;
import java.io.File;
import java.util.LinkedList;
import java.util.Queue;
public class PhysicsLookTest extends InstrumentationTestCase {
private static final String TAG = PhysicsLookTest.class.getSimpleName();
PhysicsWorld physicsWorld;
private Project project;
private File testImage;
private String testImageFilename;
private static final int IMAGE_FILE_ID = R.raw.multible_mixed_polygons;
private Sprite sprite;
static {
GdxNativesLoader.load();
}
@Override
protected void setUp() throws Exception {
physicsWorld = new PhysicsWorld(1920, 1600);
File projectFile = new File(Constants.DEFAULT_ROOT + File.separator + TestUtils.DEFAULT_TEST_PROJECT_NAME);
if (projectFile.exists()) {
UtilFile.deleteDirectory(projectFile);
}
testImageFilename = PhysicsTestUtils.getInternalImageFilenameFromFilename("testImage.png");
project = new Project(getInstrumentation().getTargetContext(), TestUtils.DEFAULT_TEST_PROJECT_NAME);
StorageHandler.getInstance().saveProject(project);
ProjectManager.getInstance().setProject(project);
testImage = TestUtils.saveFileToProject(TestUtils.DEFAULT_TEST_PROJECT_NAME, project.getDefaultScene().getName(), testImageFilename, IMAGE_FILE_ID,
getInstrumentation().getContext(), TestUtils.TYPE_IMAGE_FILE);
sprite = new SingleSprite("TestSprite");
super.setUp();
}
@Override
protected void tearDown() throws Exception {
TestUtils.clearProject(TestUtils.DEFAULT_TEST_PROJECT_NAME);
physicsWorld = null;
sprite = null;
super.tearDown();
}
public void testShapeComputationOfLook() {
PhysicsShapeBuilder physicsShapeBuilder = PhysicsShapeBuilder.getInstance();
LookData lookData = new LookData();
lookData.setLookFilename(testImage.getName());
lookData.setLookName(testImage.getName());
sprite.getLookDataList().add(lookData);
Pixmap pixmap = null;
pixmap = Utils.getPixmapFromFile(testImage);
lookData.setPixmap(pixmap);
Shape[] shapes = physicsShapeBuilder.getScaledShapes(lookData, sprite.look.getSizeInUserInterfaceDimensionUnit() / 100f);
assertTrue("shapes are 0", shapes.length > 0);
physicsShapeBuilder.reset();
}
public void testPositionAndAngle() {
PhysicsObject physicsObject = physicsWorld.getPhysicsObject(sprite);
PhysicsLook physicsLook = new PhysicsLook(sprite, physicsWorld);
float x = 1.2f;
physicsLook.setX(x);
assertEquals("Wrong x position in PhysicsObject", x, physicsObject.getX());
assertEquals("Wrong x position in PhysicsLook", x, physicsLook.getX());
float y = -3.4f;
physicsLook.setY(y);
assertEquals("Wrong y position in PhysicsObject", y, physicsObject.getY());
assertEquals("Wrong y position in PhysicsLook", y, physicsLook.getY());
x = 5.6f;
y = 7.8f;
physicsLook.setPosition(x, y);
assertEquals("Wrong position", new Vector2(x, y), physicsObject.getPosition());
assertEquals("Wrong x position in PhysicsLook (due to set/getPosition)", x, physicsLook.getX());
assertEquals("Wrong y position in PhysicsLook (due to set/getPosition)", y, physicsLook.getY());
float rotation = 9.0f;
physicsLook.setRotation(rotation);
assertEquals("Wrong physics object angle", rotation, physicsObject.getDirection());
assertEquals("X position has changed", x, physicsLook.getX());
assertEquals("Y position has changed", y, physicsLook.getY());
assertEquals("Wrong rotation", rotation, physicsLook.getRotation());
}
public void testSetScale() {
LookData lookData = new LookData();
lookData.setLookFilename(testImage.getName());
lookData.setLookName(testImageFilename);
sprite.getLookDataList().add(lookData);
Pixmap pixmap = Utils.getPixmapFromFile(testImage);
lookData.setPixmap(pixmap);
PhysicsObject physicsObject = physicsWorld.getPhysicsObject(sprite);
PhysicsLook physicsLook = new PhysicsLook(sprite, physicsWorld);
Shape[] shapes = (Shape[]) Reflection.getPrivateField(physicsObject, "shapes");
assertEquals("Shapes are not null", null, shapes);
physicsLook.setLookData(lookData);
Queue<Float> vertexXQueue = new LinkedList<Float>();
Queue<Float> vertexYQueue = new LinkedList<Float>();
shapes = (Shape[]) Reflection.getPrivateField(physicsObject, "shapes");
assertNotNull("shapes is null", shapes);
assertTrue("shapes length not > 0", shapes.length > 0);
Log.d(TAG, "shapes.length: " + shapes.length);
for (Shape shape : shapes) {
switch (shape.getType()) {
case Chain:
Log.d(TAG, "type = Chain: ");
break;
case Circle:
Log.d(TAG, "type = Circle: ");
break;
case Edge:
Log.d(TAG, "type = Edge: ");
break;
case Polygon:
int vertexCount = ((PolygonShape) shape).getVertexCount();
Log.d(TAG, "type = Polygon: " + vertexCount);
for (int idx = 0; idx < vertexCount; idx++) {
Vector2 vertex = new Vector2();
((PolygonShape) shape).getVertex(idx, vertex);
vertexXQueue.add(Float.valueOf(vertex.x));
vertexYQueue.add(Float.valueOf(vertex.y));
Log.d(TAG, "x=" + vertex.x + ";y=" + vertex.y);
}
break;
}
}
float[] accuracyLevels = (float[]) Reflection.getPrivateField(PhysicsShapeBuilder.class, "ACCURACY_LEVELS");
float testScaleFactor = 1.1f;
if (accuracyLevels.length > 1) {
for (int i = 0; i < accuracyLevels.length - 1; i++) {
if (Math.abs(accuracyLevels[i] - 1.0f) < 0.05) {
testScaleFactor = (accuracyLevels[i] + accuracyLevels[i + 1]);
testScaleFactor /= 2.0f;
testScaleFactor -= 0.025f;
}
}
}
physicsLook.setScale(testScaleFactor, testScaleFactor);
shapes = (Shape[]) Reflection.getPrivateField(physicsObject, "shapes");
assertNotNull("shapes is null", shapes);
assertTrue("shapes length not > 0", shapes.length > 0);
Log.d(TAG, "shapes.length: " + shapes.length);
for (Shape shape : shapes) {
switch (shape.getType()) {
case Chain:
Log.d(TAG, "type = Chain: ");
break;
case Circle:
Log.d(TAG, "type = Circle: ");
break;
case Edge:
Log.d(TAG, "type = Edge: ");
break;
case Polygon:
int vertexCount = ((PolygonShape) shape).getVertexCount();
Log.d(TAG, "type = Polygon: " + vertexCount);
for (int idx = 0; idx < vertexCount; idx++) {
Vector2 vertex = new Vector2();
((PolygonShape) shape).getVertex(idx, vertex);
Object[] objectsX = { vertexXQueue.poll(), testScaleFactor };
Reflection.ParameterList parameterListX = new Reflection.ParameterList(objectsX);
float scaledX = (float) Reflection.invokeMethod(PhysicsShapeScaleUtils.class, "scaleCoordinate",
parameterListX);
Object[] objectsY = { vertexYQueue.poll(), testScaleFactor };
Reflection.ParameterList parameterListY = new Reflection.ParameterList(objectsY);
float scaledY = (float) Reflection.invokeMethod(PhysicsShapeScaleUtils.class, "scaleCoordinate",
parameterListY);
assertEquals("vertex x-value is not the expected", scaledX, vertex.x);
assertEquals("vertex x-value is not the expected", scaledY, vertex.y);
Log.d(TAG, "x=" + vertex.x + ";y=" + vertex.y);
}
break;
}
}
}
public void testSetLookDataWithNullPixmap() {
LookData lookData = new LookData();
lookData.setLookFilename(testImage.getName());
lookData.setLookName(testImage.getName());
sprite.look = new PhysicsLook(sprite, physicsWorld);
try {
sprite.look.setLookData(lookData);
} catch (Exception exception) {
Log.e(TAG, "unexpected exception", exception);
fail("unexpected exception");
}
}
public void testDefaultValueEqualityOfPhysicsLookAndLook() {
PhysicsLook physicsLook = new PhysicsLook(sprite, physicsWorld);
Look look = new Look(sprite);
assertEquals("physicsLook getAngularVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getAngularVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getAngularVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getAngularVelocityInUserInterfaceDimensionUnit(), look.getAngularVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getXVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getXVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getXVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getXVelocityInUserInterfaceDimensionUnit(), look.getXVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getYVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getYVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getYVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getYVelocityInUserInterfaceDimensionUnit(), look.getYVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getX()"
+ physicsLook.getX() + " differs from look value"
+ look.getX() + ".",
physicsLook.getX(), look.getX());
assertEquals("physicsLook getY()"
+ physicsLook.getY() + " differs from look value"
+ look.getY() + ".",
physicsLook.getY(), look.getY());
assertEquals("physicsLook getRotation()"
+ physicsLook.getRotation() + " differs from look value"
+ look.getRotation() + ".",
physicsLook.getRotation(), look.getRotation());
assertEquals("physicsLook getLookData()"
+ physicsLook.getLookData() + " differs from look value"
+ look.getLookData() + ".",
physicsLook.getLookData(), look.getLookData());
assertEquals("physicsLook getAllActionsAreFinished()"
+ physicsLook.getAllActionsAreFinished() + " differs from look value"
+ look.getAllActionsAreFinished() + ".",
physicsLook.getAllActionsAreFinished(), look.getAllActionsAreFinished());
assertEquals("physicsLook getImagePath()"
+ physicsLook.getImagePath() + " differs from look value"
+ look.getImagePath() + ".",
physicsLook.getImagePath(), look.getImagePath());
assertEquals("physicsLook getXInUserInterfaceDimensionUnit()"
+ physicsLook.getXInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getXInUserInterfaceDimensionUnit() + ".",
physicsLook.getXInUserInterfaceDimensionUnit(), look.getXInUserInterfaceDimensionUnit());
assertEquals("physicsLook getYInUserInterfaceDimensionUnit()"
+ physicsLook.getYInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getYInUserInterfaceDimensionUnit() + ".",
physicsLook.getYInUserInterfaceDimensionUnit(), look.getYInUserInterfaceDimensionUnit());
assertEquals("physicsLook getAngularVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getAngularVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getAngularVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getAngularVelocityInUserInterfaceDimensionUnit(), look.getAngularVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getXVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getXVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getXVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getXVelocityInUserInterfaceDimensionUnit(), look.getXVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getYVelocityInUserInterfaceDimensionUnit()"
+ physicsLook.getYVelocityInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getYVelocityInUserInterfaceDimensionUnit() + ".",
physicsLook.getYVelocityInUserInterfaceDimensionUnit(), look.getYVelocityInUserInterfaceDimensionUnit());
assertEquals("physicsLook getWidthInUserInterfaceDimensionUnit()"
+ physicsLook.getWidthInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getWidthInUserInterfaceDimensionUnit() + ".",
physicsLook.getWidthInUserInterfaceDimensionUnit(), look.getWidthInUserInterfaceDimensionUnit());
assertEquals("physicsLook getHeightInUserInterfaceDimensionUnit()"
+ physicsLook.getHeightInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getHeightInUserInterfaceDimensionUnit() + ".",
physicsLook.getHeightInUserInterfaceDimensionUnit(), look.getHeightInUserInterfaceDimensionUnit());
assertEquals("physicsLook getDirectionInUserInterfaceDimensionUnit()"
+ physicsLook.getDirectionInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getDirectionInUserInterfaceDimensionUnit() + ".",
physicsLook.getDirectionInUserInterfaceDimensionUnit(), look.getDirectionInUserInterfaceDimensionUnit());
assertEquals("physicsLook getSizeInUserInterfaceDimensionUnit()"
+ physicsLook.getSizeInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getSizeInUserInterfaceDimensionUnit() + ".",
physicsLook.getSizeInUserInterfaceDimensionUnit(), look.getSizeInUserInterfaceDimensionUnit());
assertEquals("physicsLook getTransparencyInUserInterfaceDimensionUnit()"
+ physicsLook.getTransparencyInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getTransparencyInUserInterfaceDimensionUnit() + ".",
physicsLook.getTransparencyInUserInterfaceDimensionUnit(), look.getTransparencyInUserInterfaceDimensionUnit());
assertEquals("physicsLook getBrightnessInUserInterfaceDimensionUnit()"
+ physicsLook.getBrightnessInUserInterfaceDimensionUnit() + " differs from look value"
+ look.getBrightnessInUserInterfaceDimensionUnit() + ".",
physicsLook.getBrightnessInUserInterfaceDimensionUnit(), look.getBrightnessInUserInterfaceDimensionUnit());
}
}