FastAsyncWorldEdit/src/ServerInterface.java

// $Id$
/*
 * WorldEdit
 * Copyright (C) 2010 sk89q <http://www.sk89q.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

import com.sk89q.worldedit.*;
import com.sk89q.worldedit.blocks.BaseItem;
import java.util.logging.Logger;
import java.util.Map;
import java.util.HashMap;
import java.util.Random;

/**
 *
 * @author sk89q
 */
public class ServerInterface {
    /**
     * Logger.
     */
    private static final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
    /**
     * Random generator.
     */
    private static Random random = new Random();
    
    /**
     * Set block type.
     *
     * @param pt
     * @param type
     * @return
     */
    public static boolean setBlockType(Vector pt, int type) {
        // Can't set colored cloth or crash
        if ((type >= 21 && type <= 34) || type == 36) {
            return false;
        }
        return etc.getServer().setBlockAt(type, pt.getBlockX(), pt.getBlockY(),
                pt.getBlockZ());
    }
    
    /**
     * Get block type.
     *
     * @param pt
     * @return
     */
    public static int getBlockType(Vector pt) {
        return etc.getServer().getBlockIdAt(pt.getBlockX(), pt.getBlockY(),
                pt.getBlockZ());
    }

    /**
     * Set block data.
     *
     * @param pt
     * @param data
     * @return
     */
    public static void setBlockData(Vector pt, int data) {
        etc.getServer().setBlockData(pt.getBlockX(), pt.getBlockY(),
                        pt.getBlockZ(), data);
    }

    /**
     * Get block data.
     *
     * @param pt
     * @return
     */
    public static int getBlockData(Vector pt) {
        return etc.getServer().getBlockData(pt.getBlockX(), pt.getBlockY(),
                pt.getBlockZ());
    }
    
    /**
     * Set sign text.
     *
     * @param pt
     * @param text
     */
    public static void setSignText(Vector pt, String[] text) {
        Sign signData = (Sign)etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
        if (signData == null) {
            return;
        }
        for (byte i = 0; i < 4; i++) {
            signData.setText(i, text[i]);
        }
        signData.update();
    }
    
    /**
     * Get sign text.
     *
     * @param pt
     * @return
     */
    public static String[] getSignText(Vector pt) {
        Sign signData = (Sign)etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
        if (signData == null) {
            return new String[]{"", "", "", ""};
        }
        String[] text = new String[4];
        for (byte i = 0; i < 4; i++) {
            text[i] = signData.getText(i);
        }
        return text;
    }

    /**
     * Gets the contents of chests.
     *
     * @param pt
     * @return
     */
    public static Map<Byte,Countable<BaseItem>> getChestContents(Vector pt) {
        ComplexBlock cblock = etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());

        if (!(cblock instanceof Chest)) {
            return null;
        }

        Chest chest = (Chest)cblock;
        Map<Byte,Countable<BaseItem>> items =
                new HashMap<Byte,Countable<BaseItem>>();

        for (byte i = 0; i <= 26; i++) {
            Item item = chest.getItemFromSlot(i);
            if (item != null) {
                items.put(i, new Countable<BaseItem>(new BaseItem((short)item.getItemId()),
                        item.getAmount()));
            }
        }

        return items;
    }

    /**
     * Sets a chest slot.
     *
     * @param pt
     * @param slot
     * @param item
     * @param amount
     * @return
     */
    public static boolean setChestSlot(Vector pt, byte slot, BaseItem item, int amount) {
        ComplexBlock cblock = etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());

        if (!(cblock instanceof Chest)) {
            return false;
        }

        Chest chest = (Chest)cblock;
        chest.addItem(new Item(item.getID(), amount, slot));
        chest.update();
        return true;
    }

    /**
     * Clear a chest's contents.
     * 
     * @param pt
     */
    public static boolean clearChest(Vector pt) {
        ComplexBlock cblock = etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());

        if (!(cblock instanceof Chest)) {
            return false;
        }

        Chest chest = (Chest)cblock;
        chest.clearContents();
        chest.update();

        return true;
    }

    /**
     * Checks if a mob type is valid.
     * 
     * @param type
     * @return
     */
    public static boolean isValidMobType(String type) {
        return Mob.isValid(type);
    }

    /**
     * Set mob spawner mob type.
     *
     * @param pt
     * @param mobType
     */
    public static void setMobSpawnerType(Vector pt, String mobType) {
        ComplexBlock cblock = etc.getServer().getComplexBlock(
                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());

        if (!(cblock instanceof MobSpawner)) {
            return;
        }

        MobSpawner mobSpawner = (MobSpawner)cblock;
        mobSpawner.setSpawn(mobType);
        mobSpawner.update();
    }

    /**
     * Get mob spawner mob type. May return an empty string.
     *
     * @param pt
     * @param mobType
     */
    public static String getMobSpawnerType(Vector pt) {
        try {
            return MinecraftServerInterface.getMobSpawnerType(pt);
        } catch (Throwable t) {
            logger.severe("Failed to get mob spawner type (do you need to update WorldEdit due to a Minecraft update?): "
                    + t.getMessage());
            return "";
        }
    }

    /**
     * Generate a tree at a location.
     * 
     * @param pt
     * @return
     */
    public static boolean generateTree(EditSession editSession, Vector pt) {
        try {
            return MinecraftServerInterface.generateTree(editSession, pt);
        } catch (Throwable t) {
            logger.severe("Failed to create tree (do you need to update WorldEdit due to a Minecraft update?): "
                    + t.getMessage());
            return false;
        }
    }

    /**
     * Drop an item.
     *
     * @param pt
     * @param type
     * @param count
     * @param times
     */
    public static void dropItem(Vector pt, int type, int count, int times) {
        for (int i = 0; i < times; i++) {
            etc.getServer().dropItem(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ(),
                    type, count);
        }
    }

    /**
     * Drop an item.
     *
     * @param pt
     * @param type
     * @param count
     * @param times
     */
    public static void dropItem(Vector pt, int type, int count) {
        etc.getServer().dropItem(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ(),
                type, count);
    }

    /**
     * Drop an item.
     *
     * @param pt
     * @param type
     * @param count
     * @param times
     */
    public static void dropItem(Vector pt, int type) {
        etc.getServer().dropItem(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ(),
                type, 1);
    }

    /**
     * Simulate a block being mined.
     * 
     * @param pt
     */
    public static void simulateBlockMine(Vector pt) {
        int type = getBlockType(pt);
        setBlockType(pt, 0);

        if (type == 1) { dropItem(pt, 4); } // Stone
        else if (type == 2) { dropItem(pt, 3); } // Grass
        else if (type == 13) { // Gravel
            dropItem(pt, type);

            if (random.nextDouble() >= 0.9) {
                dropItem(pt, 318);
            }
        }
        else if (type == 16) { dropItem(pt, 263); } // Coal ore
        else if (type == 18) { // Leaves
            if (random.nextDouble() > 0.95) {
                dropItem(pt, 6);
            }
        }
        else if (type == 20) { } // Glass
        else if (type == 43) { dropItem(pt, 44); } // Double step
        else if (type == 47) { } // Bookshelves
        else if (type == 52) { } // Mob spawner
        else if (type == 53) { dropItem(pt, 5); } // Wooden stairs
        else if (type == 55) { dropItem(pt, 331); } // Redstone wire
        else if (type == 56) { dropItem(pt, 264); } // Diamond ore
        else if (type == 60) { dropItem(pt, 3); } // Soil
        else if (type == 63) { dropItem(pt, 323); } // Sign post
        else if (type == 67) { dropItem(pt, 4); } // Cobblestone stairs
        else if (type == 68) { dropItem(pt, 323); } // Wall sign
        else if (type == 73) { dropItem(pt, 331, 1, 4); } // Redstone ore
        else if (type == 74) { dropItem(pt, 331, 1, 4); } // Glowing redstone ore
        else if (type == 78) { } // Snow
        else if (type == 79) { } // Ice
        else if (type == 82) { dropItem(pt, 337, 1, 4); } // Clay
        else if (type == 83) { dropItem(pt, 338); } // Reed
        else if (type == 89) { dropItem(pt, 348); } // Lightstone
        else if (type != 0) {
            dropItem(pt, type);
        }
    }
}