ContainerZonePlan.java

/** Copyright (c) 2011-2015, SpaceToad and the BuildCraft Team http://www.mod-buildcraft.com
 * <p/>
 * BuildCraft is distributed under the terms of the Minecraft Mod Public License 1.0, or MMPL. Please check the contents
 * of the license located in http://www.mod-buildcraft.com/MMPL-1.0.txt */
package buildcraft.robotics.gui;

import io.netty.buffer.ByteBuf;

import net.minecraft.block.material.MapColor;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Slot;

import net.minecraftforge.fml.relauncher.Side;

import buildcraft.BuildCraftCore;
import buildcraft.BuildCraftRobotics;
import buildcraft.core.lib.gui.BuildCraftContainer;
import buildcraft.core.lib.gui.slots.SlotOutput;
import buildcraft.core.lib.network.command.CommandWriter;
import buildcraft.core.lib.network.command.ICommandReceiver;
import buildcraft.core.lib.network.command.PacketCommand;
import buildcraft.core.lib.render.DynamicTextureBC;
import buildcraft.core.lib.utils.NetworkUtils;
import buildcraft.robotics.TileZonePlan;
import buildcraft.robotics.ZonePlan;
import buildcraft.robotics.map.MapWorld;

public class ContainerZonePlan extends BuildCraftContainer implements ICommandReceiver {
    private static final int MAX_PACKET_LENGTH = 30000;

    public DynamicTextureBC mapTexture;
    public ZonePlan currentAreaSelection;
    public GuiZonePlan gui;

    private TileZonePlan map;

    public ContainerZonePlan(EntityPlayer player, TileZonePlan iZonePlan) {
        super(player, 0);

        map = iZonePlan;

        addSlotToContainer(new Slot(iZonePlan, 0, 233, 9));
        addSlotToContainer(new SlotOutput(iZonePlan, 1, 233, 57));
        addSlotToContainer(new Slot(iZonePlan, 2, 8, 125));

        // Player inventory
        for (int l = 0; l < 3; l++) {
            for (int k1 = 0; k1 < 9; k1++) {
                addSlotToContainer(new Slot(player.inventory, k1 + l * 9 + 9, 88 + k1 * 18, 146 + l * 18));
            }
        }

        for (int i1 = 0; i1 < 9; i1++) {
            addSlotToContainer(new Slot(player.inventory, i1, 88 + i1 * 18, 204));
        }
    }

    public TileZonePlan getTile() {
        return map;
    }

    @Override
    public boolean canInteractWith(EntityPlayer player) {
        return true;
    }

    public void loadArea(final int index) {
        BuildCraftCore.instance.sendToServer(new PacketCommand(this, "loadArea", new CommandWriter() {
            @Override
            public void write(ByteBuf data) {
                data.writeByte(index);
            }
        }));
    }

    public void saveArea(final int index) {
        BuildCraftCore.instance.sendToServer(new PacketCommand(this, "saveArea", new CommandWriter() {
            @Override
            public void write(ByteBuf data) {
                data.writeByte(index);
                currentAreaSelection.writeData(data);
            }
        }));
    }

    @Override
    public void receiveCommand(String command, Side side, Object sender, ByteBuf stream) {
		if (side.isClient()) {
			if ("areaLoaded".equals(command)) {
                currentAreaSelection = new ZonePlan();
                currentAreaSelection.readData(stream);
                gui.refreshSelectedArea();
            } else if ("receiveImage".equals(command)) {
                int size = stream.readUnsignedMedium();
                int pos = stream.readUnsignedMedium();

                for (int i = 0; i < Math.min(size - pos, MAX_PACKET_LENGTH); ++i) {
                    mapTexture.colorMap[pos + i] = 0xFF000000 | MapColor.mapColorArray[stream.readUnsignedByte()].colorValue;
                }
            }
        } else if (side.isServer()) {
            if ("loadArea".equals(command)) {
                final int index = stream.readUnsignedByte();
                BuildCraftCore.instance.sendToPlayer((EntityPlayer) sender, new PacketCommand(this, "areaLoaded", new CommandWriter() {
                    @Override
                    public void write(ByteBuf data) {
                        map.selectArea(index).writeData(data);
                    }
                }));
            } else if ("saveArea".equals(command)) {
                final int index = stream.readUnsignedByte();
                ZonePlan plan = new ZonePlan();
                plan.readData(stream);
                map.setArea(index, plan);
            } else if ("computeMap".equals(command)) {
                computeMap(stream.readInt(), stream.readInt(), stream.readUnsignedShort(), stream.readUnsignedShort(), stream.readFloat(),
                        (EntityPlayer) sender);
            } else if ("setName".equals(command)) {
                map.mapName = NetworkUtils.readUTF(stream);
            }
        }
    }

    private void computeMap(int cx, int cz, int width, int height, float blocksPerPixel, EntityPlayer player) {
        final byte[] textureData = new byte[width * height];

        MapWorld w = BuildCraftRobotics.manager.getWorld(map.getWorld());
        int startX = Math.round(cx - width * blocksPerPixel / 2);
        int startZ = Math.round(cz - height * blocksPerPixel / 2);
        int mapStartX = map.chunkStartX << 4;
        int mapStartZ = map.chunkStartZ << 4;

		for (int j = 0; j < height; ++j) {
        	for (int i = 0; i < width; ++i) {
                int x = Math.round(startX + i * blocksPerPixel);
                int z = Math.round(startZ + j * blocksPerPixel);
                int ix = x - mapStartX;
                int iz = z - mapStartZ;

                if (ix >= 0 && iz >= 0 && ix < TileZonePlan.RESOLUTION && iz < TileZonePlan.RESOLUTION) {
                    textureData[i + j * width] = (byte) w.getColor(x, z);
                }
            }
        }

        final int len = MAX_PACKET_LENGTH;

        for (int i = 0; i < textureData.length; i += len) {
            final int pos = i;
            BuildCraftCore.instance.sendToPlayer(player, new PacketCommand(this, "receiveImage", new CommandWriter() {
                @Override
                public void write(ByteBuf data) {
                    data.writeMedium(textureData.length);
                    data.writeMedium(pos);
                    data.writeBytes(textureData, pos, Math.min(textureData.length - pos, len));
                }
            }));
        }
    }
}