001 package net.minecraft.src; 002 003 import cpw.mods.fml.common.Side; 004 import cpw.mods.fml.common.asm.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 net.minecraft.server.MinecraftServer; 011 import net.minecraftforge.common.DimensionManager; 012 013 @SideOnly(Side.SERVER) 014 public class GuiStatsComponent extends JComponent 015 { 016 private static final DecimalFormat field_79020_a = new DecimalFormat("########0.000"); 017 018 /** An array containing the columns that make up the memory use graph. */ 019 private int[] memoryUse = new int[256]; 020 021 /** 022 * Counts the number of updates. Used as the index into the memoryUse array to display the latest value. 023 */ 024 private int updateCounter = 0; 025 026 /** An array containing the strings displayed in this stats component. */ 027 private String[] displayStrings = new String[10]; 028 private final MinecraftServer field_79017_e; 029 030 public GuiStatsComponent(MinecraftServer par1MinecraftServer) 031 { 032 this.field_79017_e = par1MinecraftServer; 033 this.setPreferredSize(new Dimension(356, 246)); 034 this.setMinimumSize(new Dimension(356, 246)); 035 this.setMaximumSize(new Dimension(356, 246)); 036 (new javax.swing.Timer(500, new GuiStatsListener(this))).start(); 037 this.setBackground(Color.BLACK); 038 } 039 040 /** 041 * Updates the stat values and calls paint to redraw the component. 042 */ 043 private void updateStats() 044 { 045 this.displayStrings = new String[5 + DimensionManager.getIDs().length]; 046 long var1 = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory(); 047 System.gc(); 048 this.displayStrings[0] = "Memory use: " + var1 / 1024L / 1024L + " mb (" + Runtime.getRuntime().freeMemory() * 100L / Runtime.getRuntime().maxMemory() + "% free)"; 049 this.displayStrings[1] = "Threads: " + TcpConnection.field_74471_a.get() + " + " + TcpConnection.field_74469_b.get(); 050 this.displayStrings[2] = "Avg tick: " + field_79020_a.format(this.func_79015_a(this.field_79017_e.tickTimeArray) * 1.0E-6D) + " ms"; 051 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); 052 this.displayStrings[4] = "Avg rec: " + (int)this.func_79015_a(this.field_79017_e.recievedPacketCountArray) + ", Avg size: " + (int)this.func_79015_a(this.field_79017_e.recievedPacketSizeArray); 053 054 if (this.field_79017_e.theWorldServer != null) 055 { 056 int x = 0; 057 for (Integer id : DimensionManager.getIDs()) 058 { 059 this.displayStrings[5 + x] = "Lvl " + id + " tick: " + field_79020_a.format(this.func_79015_a(this.field_79017_e.worldTickTimes.get(id)) * 1.0E-6D) + " ms"; 060 061 WorldServer world = DimensionManager.getWorld(id); 062 if (world != null && world.theChunkProviderServer != null) 063 { 064 this.displayStrings[5 + x] = this.displayStrings[5 + x] + ", " + world.theChunkProviderServer.makeString(); 065 } 066 x++; 067 } 068 } 069 070 this.memoryUse[this.updateCounter++ & 255] = (int)(this.func_79015_a(this.field_79017_e.sentPacketSizeArray) * 100.0D / 12500.0D); 071 this.repaint(); 072 } 073 074 private double func_79015_a(long[] par1ArrayOfLong) 075 { 076 long var2 = 0L; 077 long[] var4 = par1ArrayOfLong; 078 int var5 = par1ArrayOfLong.length; 079 080 for (int var6 = 0; var6 < var5; ++var6) 081 { 082 long var7 = var4[var6]; 083 var2 += var7; 084 } 085 086 return (double)var2 / (double)par1ArrayOfLong.length; 087 } 088 089 public void paint(Graphics par1Graphics) 090 { 091 par1Graphics.setColor(new Color(16777215)); 092 par1Graphics.fillRect(0, 0, 356, 246); 093 int var2; 094 095 for (var2 = 0; var2 < 256; ++var2) 096 { 097 int var3 = this.memoryUse[var2 + this.updateCounter & 255]; 098 par1Graphics.setColor(new Color(var3 + 28 << 16)); 099 par1Graphics.fillRect(var2, 100 - var3, 1, var3); 100 } 101 102 par1Graphics.setColor(Color.BLACK); 103 104 for (var2 = 0; var2 < this.displayStrings.length; ++var2) 105 { 106 String var4 = this.displayStrings[var2]; 107 108 if (var4 != null) 109 { 110 par1Graphics.drawString(var4, 32, 116 + var2 * 16); 111 } 112 } 113 } 114 115 /** 116 * Public static accessor to call updateStats. 117 */ 118 static void update(GuiStatsComponent par0GuiStatsComponent) 119 { 120 par0GuiStatsComponent.updateStats(); 121 } 122 }