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//      Magicbane Emulator Project © 2013 - 2022
//                www.magicbane.com


package engine.net.client.msg;


import engine.net.AbstractConnection;
import engine.net.AbstractNetMsg;
import engine.net.ByteBufferReader;
import engine.net.ByteBufferWriter;
import engine.net.client.Protocol;
import engine.objects.Building;

import java.util.ArrayList;


public class LoadStructureMsg extends ClientNetMsg {

    private ArrayList<Building> structureList;

    /**
     * This is the general purpose constructor.
     */
    public LoadStructureMsg() {
        this(new ArrayList<>());
    }

    /**
     * This is the general purpose constructor.
     *
     * @param structures
     */
    public LoadStructureMsg(ArrayList<Building> structures) {
        super(Protocol.LOADSTRUCTURE);
        this.structureList = structures;
    }

    /**
     * This constructor is used by NetMsgFactory. It attempts to deserialize the
     * ByteBuffer into a message. If a BufferUnderflow occurs (based on reading
     * past the limit) then this constructor Throws that Exception to the
     * caller.
     */
    public LoadStructureMsg(AbstractConnection origin, ByteBufferReader reader) {
        super(Protocol.LOADSTRUCTURE, origin, reader);
    }

    /**
     * @see AbstractNetMsg#getPowerOfTwoBufferSize()
     */
    @Override
    protected int getPowerOfTwoBufferSize() {
        //Larger size for historically larger opcodes
        return (18); // 2^16 == 64k
    }

    /**
     * Serializes the subclass specific items to the supplied NetMsgWriter.
     */
    @Override
    protected void _serialize(ByteBufferWriter writer) {
        for (int i = 0; i < 4; i++)
            writer.putInt(0);

        writer.putInt(this.structureList.size());

        for (Building building : this.structureList) {
            Building._serializeForClientMsg(building, writer);
        }
        writer.putInt(0);
    }

    /**
     * Deserializes the subclass specific items from the supplied NetMsgReader.
     */
    @Override
    protected void _deserialize(ByteBufferReader reader) {
        reader.getInt();
        reader.getInt();
        reader.getInt();
        reader.getInt();
        int size = reader.getInt();
        // TODO finish Deserialize impl
    }

    // TODO fix ArrayList Accessability.
    public ArrayList<Building> getStructureList() {
        return this.structureList;
    }

    public void addObject(Building obj) {
        this.structureList.add(obj);
    }

    public int size() {
        return this.structureList.size();
    }
}