72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
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package net.minecraft.server.gui;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.event.ActionEvent;
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import java.text.DecimalFormat;
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import java.text.DecimalFormatSymbols;
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import java.util.Locale;
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import javax.swing.JComponent;
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import javax.swing.Timer;
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import net.minecraft.Util;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.util.TimeUtil;
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public class StatsComponent extends JComponent {
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private static final DecimalFormat DECIMAL_FORMAT = Util.make(
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new DecimalFormat("########0.000"), p_139968_ -> p_139968_.setDecimalFormatSymbols(DecimalFormatSymbols.getInstance(Locale.ROOT))
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);
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private final int[] values = new int[256];
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private int vp;
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private final String[] msgs = new String[11];
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private final MinecraftServer server;
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private final Timer timer;
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public StatsComponent(MinecraftServer p_139963_) {
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this.server = p_139963_;
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this.setPreferredSize(new Dimension(456, 246));
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this.setMinimumSize(new Dimension(456, 246));
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this.setMaximumSize(new Dimension(456, 246));
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this.timer = new Timer(500, p_139966_ -> this.tick());
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this.timer.start();
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this.setBackground(Color.BLACK);
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}
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private void tick() {
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long i = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
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this.msgs[0] = "Memory use: "
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+ i / 1024L / 1024L
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+ " mb ("
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+ Runtime.getRuntime().freeMemory() * 100L / Runtime.getRuntime().maxMemory()
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+ "% free)";
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this.msgs[1] = "Avg tick: " + DECIMAL_FORMAT.format((double)this.server.getAverageTickTimeNanos() / TimeUtil.NANOSECONDS_PER_MILLISECOND) + " ms";
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this.values[this.vp++ & 0xFF] = (int)(i * 100L / Runtime.getRuntime().maxMemory());
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this.repaint();
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}
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@Override
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public void paint(Graphics p_139973_) {
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p_139973_.setColor(new Color(16777215));
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p_139973_.fillRect(0, 0, 456, 246);
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for (int i = 0; i < 256; i++) {
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int j = this.values[i + this.vp & 0xFF];
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p_139973_.setColor(new Color(j + 28 << 16));
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p_139973_.fillRect(i, 100 - j, 1, j);
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}
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p_139973_.setColor(Color.BLACK);
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for (int k = 0; k < this.msgs.length; k++) {
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String s = this.msgs[k];
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if (s != null) {
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p_139973_.drawString(s, 32, 116 + k * 16);
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}
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}
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}
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public void close() {
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this.timer.stop();
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}
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}
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