001 package net.minecraft.server.gui;
002
003 import cpw.mods.fml.relauncher.Side;
004 import cpw.mods.fml.relauncher.SideOnly;
005 import java.awt.Color;
006 import java.awt.Dimension;
007 import java.awt.Graphics;
008 import java.text.DecimalFormat;
009 import javax.swing.JComponent;
010 import javax.swing.Timer;
011 import net.minecraft.network.TcpConnection;
012 import net.minecraft.server.MinecraftServer;
013 import net.minecraft.world.WorldServer;
014 import net.minecraftforge.common.DimensionManager;
015
016 @SideOnly(Side.SERVER)
017 public class GuiStatsComponent extends JComponent
018 {
019 private static final DecimalFormat field_79020_a = new DecimalFormat("########0.000");
020
021 /** An array containing the columns that make up the memory use graph. */
022 private int[] memoryUse = new int[256];
023
024 /**
025 * Counts the number of updates. Used as the index into the memoryUse array to display the latest value.
026 */
027 private int updateCounter = 0;
028
029 /** An array containing the strings displayed in this stats component. */
030 private String[] displayStrings = new String[11];
031 private final MinecraftServer field_79017_e;
032
033 public GuiStatsComponent(MinecraftServer par1MinecraftServer)
034 {
035 this.field_79017_e = par1MinecraftServer;
036 this.setPreferredSize(new Dimension(456, 246));
037 this.setMinimumSize(new Dimension(456, 246));
038 this.setMaximumSize(new Dimension(456, 246));
039 (new Timer(500, new GuiStatsListener(this))).start();
040 this.setBackground(Color.BLACK);
041 }
042
043 /**
044 * Updates the stat values and calls paint to redraw the component.
045 */
046 private void updateStats()
047 {
048 this.displayStrings = new String[5 + DimensionManager.getIDs().length];
049 long var1 = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
050 System.gc();
051 this.displayStrings[0] = "Memory use: " + var1 / 1024L / 1024L + " mb (" + Runtime.getRuntime().freeMemory() * 100L / Runtime.getRuntime().maxMemory() + "% free)";
052 this.displayStrings[1] = "Threads: " + TcpConnection.field_74471_a.get() + " + " + TcpConnection.field_74469_b.get();
053 this.displayStrings[2] = "Avg tick: " + field_79020_a.format(this.func_79015_a(this.field_79017_e.tickTimeArray) * 1.0E-6D) + " ms";
054 this.displayStrings[3] = "Avg sent: " + (int)this.func_79015_a(this.field_79017_e.sentPacketCountArray) + ", Avg size: " + (int)this.func_79015_a(this.field_79017_e.sentPacketSizeArray);
055 this.displayStrings[4] = "Avg rec: " + (int)this.func_79015_a(this.field_79017_e.receivedPacketCountArray) + ", Avg size: " + (int)this.func_79015_a(this.field_79017_e.receivedPacketSizeArray);
056
057 if (this.field_79017_e.worldServers != null)
058 {
059 int var3 = 0;
060 for (Integer id : DimensionManager.getIDs())
061 {
062 this.displayStrings[5 + var3] = "Lvl " + id + " tick: " + field_79020_a.format(this.func_79015_a(this.field_79017_e.worldTickTimes.get(id)) * 1.0E-6D) + " ms";
063
064 WorldServer world = DimensionManager.getWorld(id);
065 if (world != null && world.theChunkProviderServer != null)
066 {
067 this.displayStrings[5 + var3] = this.displayStrings[5 + var3] + ", " + world.theChunkProviderServer.makeString();
068 this.displayStrings[5 + var3] = this.displayStrings[5 + var3] + ", Vec3: " + world.getWorldVec3Pool().func_82590_d() + " / " + world.getWorldVec3Pool().getPoolSize();
069 }
070 var3++;
071 }
072 }
073
074 this.memoryUse[this.updateCounter++ & 255] = (int)(this.func_79015_a(this.field_79017_e.sentPacketSizeArray) * 100.0D / 12500.0D);
075 this.repaint();
076 }
077
078 private double func_79015_a(long[] par1ArrayOfLong)
079 {
080 long var2 = 0L;
081
082 for (int var4 = 0; var4 < par1ArrayOfLong.length; ++var4)
083 {
084 var2 += par1ArrayOfLong[var4];
085 }
086
087 return (double)var2 / (double)par1ArrayOfLong.length;
088 }
089
090 public void paint(Graphics par1Graphics)
091 {
092 par1Graphics.setColor(new Color(16777215));
093 par1Graphics.fillRect(0, 0, 456, 246);
094 int var2;
095
096 for (var2 = 0; var2 < 256; ++var2)
097 {
098 int var3 = this.memoryUse[var2 + this.updateCounter & 255];
099 par1Graphics.setColor(new Color(var3 + 28 << 16));
100 par1Graphics.fillRect(var2, 100 - var3, 1, var3);
101 }
102
103 par1Graphics.setColor(Color.BLACK);
104
105 for (var2 = 0; var2 < this.displayStrings.length; ++var2)
106 {
107 String var4 = this.displayStrings[var2];
108
109 if (var4 != null)
110 {
111 par1Graphics.drawString(var4, 32, 116 + var2 * 16);
112 }
113 }
114 }
115
116 /**
117 * Public static accessor to call updateStats.
118 */
119 static void update(GuiStatsComponent par0GuiStatsComponent)
120 {
121 par0GuiStatsComponent.updateStats();
122 }
123 }