/*******************************************************************************
* Copyright 2011 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.gdx.utils;
import com.badlogic.gdx.Gdx;
/** @author xoppa */
public class PerformanceCounters {
private final static float nano2seconds = 1f / 1000000000.0f;
private long lastTick = 0L;
public final Array<PerformanceCounter> counters = new Array<PerformanceCounter>();
public PerformanceCounter add (final String name, final int windowSize) {
PerformanceCounter result = new PerformanceCounter(name, windowSize);
counters.add(result);
return result;
}
public PerformanceCounter add (final String name) {
PerformanceCounter result = new PerformanceCounter(name);
counters.add(result);
return result;
}
public void tick () {
final long t = TimeUtils.nanoTime();
if (lastTick > 0L) tick((t - lastTick) * nano2seconds);
lastTick = t;
}
public void tick (final float deltaTime) {
for (int i = 0; i < counters.size; i++)
counters.get(i).tick(deltaTime);
}
public StringBuilder toString (final StringBuilder sb) {
sb.setLength(0);
for (int i = 0; i < counters.size; i++) {
if (i != 0) sb.append("; ");
counters.get(i).toString(sb);
}
return sb;
}
}