package net.minecraft.network.play.server;

import java.io.IOException;
import net.minecraft.network.Packet;
import net.minecraft.network.PacketBuffer;
import net.minecraft.network.play.INetHandlerPlayClient;
import net.minecraft.world.EnumDifficulty;
import net.minecraft.world.WorldSettings;
import net.minecraft.world.WorldType;

public class S01PacketJoinGame implements Packet<INetHandlerPlayClient>
{
    private int entityId;
    private boolean hardcoreMode;
    private WorldSettings.GameType gameType;
    private int dimension;
    private EnumDifficulty difficulty;
    private int maxPlayers;
    private WorldType worldType;
    private boolean reducedDebugInfo;

    public S01PacketJoinGame()
    {
    }

    public S01PacketJoinGame(int entityIdIn, WorldSettings.GameType gameTypeIn, boolean hardcoreModeIn, int dimensionIn, EnumDifficulty difficultyIn, int maxPlayersIn, WorldType worldTypeIn, boolean reducedDebugInfoIn)
    {
        this.entityId = entityIdIn;
        this.dimension = dimensionIn;
        this.difficulty = difficultyIn;
        this.gameType = gameTypeIn;
        this.maxPlayers = maxPlayersIn;
        this.hardcoreMode = hardcoreModeIn;
        this.worldType = worldTypeIn;
        this.reducedDebugInfo = reducedDebugInfoIn;
    }

    /**
     * Reads the raw packet data from the data stream.
     */
    public void readPacketData(PacketBuffer buf) throws IOException
    {
        this.entityId = buf.readInt();
        int i = buf.readUnsignedByte();
        this.hardcoreMode = (i & 8) == 8;
        i = i & -9;
        this.gameType = WorldSettings.GameType.getByID(i);
        this.dimension = buf.readByte();
        this.difficulty = EnumDifficulty.getDifficultyEnum(buf.readUnsignedByte());
        this.maxPlayers = buf.readUnsignedByte();
        this.worldType = WorldType.parseWorldType(buf.readStringFromBuffer(16));

        if (this.worldType == null)
        {
            this.worldType = WorldType.DEFAULT;
        }

        this.reducedDebugInfo = buf.readBoolean();
    }

    /**
     * Writes the raw packet data to the data stream.
     */
    public void writePacketData(PacketBuffer buf) throws IOException
    {
        buf.writeInt(this.entityId);
        int i = this.gameType.getID();

        if (this.hardcoreMode)
        {
            i |= 8;
        }

        buf.writeByte(i);
        buf.writeByte(this.dimension);
        buf.writeByte(this.difficulty.getDifficultyId());
        buf.writeByte(this.maxPlayers);
        buf.writeString(this.worldType.getWorldTypeName());
        buf.writeBoolean(this.reducedDebugInfo);
    }

    /**
     * Passes this Packet on to the NetHandler for processing.
     */
    public void processPacket(INetHandlerPlayClient handler)
    {
        handler.handleJoinGame(this);
    }
}
