/*******************************************************************************
* Copyright 2014 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.ashley.systems;
import org.junit.Test;
import com.badlogic.ashley.core.Component;
import com.badlogic.ashley.core.ComponentMapper;
import com.badlogic.ashley.core.Engine;
import com.badlogic.ashley.core.Entity;
import com.badlogic.ashley.core.Family;
import com.badlogic.ashley.utils.ImmutableArray;
import static org.junit.Assert.*;
public class IntervalIteratingTest {
private static final float deltaTime = 0.1f;
private static class IntervalComponentSpy extends Component {
public int numUpdates = 0;
}
private static class IntervalIteratingSystemSpy extends IntervalIteratingSystem {
private ComponentMapper<IntervalComponentSpy> im;
public IntervalIteratingSystemSpy() {
super(Family.all(IntervalComponentSpy.class).get(), deltaTime * 2.0f);
im = ComponentMapper.getFor(IntervalComponentSpy.class);
}
@Override
protected void processEntity(Entity entity) {
im.get(entity).numUpdates++;
}
}
@Test
public void intervalSystem(){
Engine engine = new Engine();
IntervalIteratingSystemSpy intervalSystemSpy = new IntervalIteratingSystemSpy();
ImmutableArray<Entity> entities = engine.getEntitiesFor(Family.all(IntervalComponentSpy.class).get());
ComponentMapper<IntervalComponentSpy> im = ComponentMapper.getFor(IntervalComponentSpy.class);
engine.addSystem(intervalSystemSpy);
for (int i = 0; i < 10; ++i) {
Entity entity = new Entity();
entity.add(new IntervalComponentSpy());
engine.addEntity(entity);
}
for (int i = 1; i <= 10; ++i) {
engine.update(deltaTime);
for (int j = 0; j < entities.size(); ++j) {
assertEquals(i / 2, im.get(entities.get(j)).numUpdates);
}
}
}
}