    001package net.minecraft.network.packet;
    002
    003import java.io.DataInputStream;
    004import java.io.DataOutputStream;
    005import java.io.IOException;
    006
    007public class Packet100OpenWindow extends Packet
    008{
    009    public int windowId;
    010    public int inventoryType;
    011    public String windowTitle;
    012    public int slotsCount;
    013
    014    /**
    015     * If false, the client will look up a string like "window.minecart". If true, the client uses what the server
    016     * provides.
    017     */
    018    public boolean useProvidedWindowTitle;
    019
    020    public Packet100OpenWindow() {}
    021
    022    public Packet100OpenWindow(int par1, int par2, String par3Str, int par4, boolean par5)
    023    {
    024        this.windowId = par1;
    025        this.inventoryType = par2;
    026        this.windowTitle = par3Str;
    027        this.slotsCount = par4;
    028        this.useProvidedWindowTitle = par5;
    029    }
    030
    031    /**
    032     * Passes this Packet on to the NetHandler for processing.
    033     */
    034    public void processPacket(NetHandler par1NetHandler)
    035    {
    036        par1NetHandler.handleOpenWindow(this);
    037    }
    038
    039    /**
    040     * Abstract. Reads the raw packet data from the data stream.
    041     */
    042    public void readPacketData(DataInputStream par1DataInputStream) throws IOException
    043    {
    044        this.windowId = par1DataInputStream.readByte() & 255;
    045        this.inventoryType = par1DataInputStream.readByte() & 255;
    046        this.windowTitle = readString(par1DataInputStream, 32);
    047        this.slotsCount = par1DataInputStream.readByte() & 255;
    048        this.useProvidedWindowTitle = par1DataInputStream.readBoolean();
    049    }
    050
    051    /**
    052     * Abstract. Writes the raw packet data to the data stream.
    053     */
    054    public void writePacketData(DataOutputStream par1DataOutputStream) throws IOException
    055    {
    056        par1DataOutputStream.writeByte(this.windowId & 255);
    057        par1DataOutputStream.writeByte(this.inventoryType & 255);
    058        writeString(this.windowTitle, par1DataOutputStream);
    059        par1DataOutputStream.writeByte(this.slotsCount & 255);
    060        par1DataOutputStream.writeBoolean(this.useProvidedWindowTitle);
    061    }
    062
    063    /**
    064     * Abstract. Return the size of the packet (not counting the header).
    065     */
    066    public int getPacketSize()
    067    {
    068        return 4 + this.windowTitle.length();
    069    }
    070}