package net.minecraft.util.debugchart;

public abstract class AbstractSampleLogger implements SampleLogger {
	protected final long[] defaults;
	protected final long[] sample;

	protected AbstractSampleLogger(final int dimensions, final long[] defaults) {
		if (defaults.length != dimensions) {
			throw new IllegalArgumentException("defaults have incorrect length of " + defaults.length);
		} else {
			this.sample = new long[dimensions];
			this.defaults = defaults;
		}
	}

	@Override
	public void logFullSample(final long[] sample) {
		System.arraycopy(sample, 0, this.sample, 0, sample.length);
		this.useSample();
		this.resetSample();
	}

	@Override
	public void logSample(final long sample) {
		this.sample[0] = sample;
		this.useSample();
		this.resetSample();
	}

	@Override
	public void logPartialSample(final long sample, final int dimension) {
		if (dimension >= 1 && dimension < this.sample.length) {
			this.sample[dimension] = sample;
		} else {
			throw new IndexOutOfBoundsException(dimension + " out of bounds for dimensions " + this.sample.length);
		}
	}

	protected abstract void useSample();

	protected void resetSample() {
		System.arraycopy(this.defaults, 0, this.sample, 0, this.defaults.length);
	}
}