Initial abstraction.

src/HMServerInterface.java

@@ -0,0 +1,394 @@
+// $Id$
+/*
+ * 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.BaseItemStack;
+import java.util.logging.Logger;
+import java.util.Random;
+
+/**
+ *
+ * @author sk89q
+ */
+public class HMServerInterface extends ServerInterface {
+    /**
+     * Logger.
+     */
+    private final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
+    /**
+     * Random generator.
+     */
+    private Random random = new Random();
+    
+    /**
+     * Set block type.
+     *
+     * @param pt
+     * @param type
+     * @return
+     */
+    public 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 int getBlockType(Vector pt) {
+        return etc.getServer().getBlockIdAt(pt.getBlockX(), pt.getBlockY(),
+                pt.getBlockZ());
+    }
+
+    /**
+     * Set block data.
+     *
+     * @param pt
+     * @param data
+     * @return
+     */
+    public void setBlockData(Vector pt, int data) {
+        etc.getServer().setBlockData(pt.getBlockX(), pt.getBlockY(),
+                        pt.getBlockZ(), data);
+    }
+
+    /**
+     * Get block data.
+     *
+     * @param pt
+     * @return
+     */
+    public int getBlockData(Vector pt) {
+        return etc.getServer().getBlockData(pt.getBlockX(), pt.getBlockY(),
+                pt.getBlockZ());
+    }
+    
+    /**
+     * Set sign text.
+     *
+     * @param pt
+     * @param text
+     */
+    public 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 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. Will return null if the chest does not
+     * really exist or it is the second block for a double chest.
+     *
+     * @param pt
+     * @return
+     */
+    public BaseItemStack[] getChestContents(Vector pt) {
+        ComplexBlock cblock = etc.getServer().getOnlyComplexBlock(
+                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
+
+        BaseItemStack[] items;
+        Item[] nativeItems;
+
+        if (cblock instanceof Chest) {
+            Chest chest = (Chest)cblock;
+            nativeItems = chest.getContents();
+        } else {
+            return null;
+        }
+
+        items = new BaseItemStack[nativeItems.length];
+
+        for (byte i = 0; i < nativeItems.length; i++) {
+            Item item = nativeItems[i];
+            
+            if (item != null) {
+                items[i] = new BaseItemStack((short)item.getItemId(),
+                        item.getAmount(), (short)item.getDamage());
+            }
+        }
+
+        return items;
+    }
+
+    /**
+     * Sets a chest slot.
+     *
+     * @param pt
+     * @param contents
+     * @return
+     */
+    public boolean setChestContents(Vector pt,
+            BaseItemStack[] contents) {
+        
+        ComplexBlock cblock = etc.getServer().getOnlyComplexBlock(
+                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
+
+        if (cblock instanceof Chest) {
+            Chest chest = (Chest)cblock;
+            Item[] nativeItems = new Item[contents.length];
+            
+            for (int i = 0; i < contents.length; i++) {
+                BaseItemStack item = contents[i];
+                
+                if (item != null) {
+                    Item nativeItem =
+                        new Item(item.getID(), item.getAmount());
+                    nativeItem.setDamage(item.getDamage());
+                    nativeItems[i] = nativeItem;
+                }
+            }
+            
+            setContents(chest, nativeItems);
+        }
+
+        return false;
+    }
+
+    /**
+     * Clear a chest's contents.
+     * 
+     * @param pt
+     */
+    public boolean clearChest(Vector pt) {
+        ComplexBlock cblock = etc.getServer().getOnlyComplexBlock(
+                pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
+
+        if (cblock instanceof Chest) {
+            Chest chest = (Chest)cblock;
+            chest.clearContents();
+            chest.update();
+            return true;
+        }
+
+
+        return false;
+    }
+    
+    /**
+     * Set the contents of an ItemArray.
+     * 
+     * @param itemArray
+     * @param contents
+     */
+    private void setContents(ItemArray<?> itemArray, Item[] contents) {
+        int size = contents.length;
+
+        for (int i = 0; i < size; i++) {
+            if (contents[i] == null) {
+                itemArray.removeItem(i);
+            } else {
+                itemArray.setSlot(contents[i].getItemId(),
+                        contents[i].getAmount(), contents[i].getDamage(), i);
+            }
+        }
+    }
+
+    /**
+     * Checks if a mob type is valid.
+     * 
+     * @param type
+     * @return
+     */
+    public boolean isValidMobType(String type) {
+        return Mob.isValid(type);
+    }
+
+    /**
+     * Set mob spawner mob type.
+     *
+     * @param pt
+     * @param mobType
+     */
+    public 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 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 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 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 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 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 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 == 7) { } // Bedrock
+        else if (type == 8) { } // Water
+        else if (type == 9) { } // Water
+        else if (type == 10) { } // Lava
+        else if (type == 11) { } // Lava
+        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 == 51) { } // Fire
+        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 == 59) { dropItem(pt, 295); } // Crops
+        else if (type == 60) { dropItem(pt, 3); } // Soil
+        else if (type == 62) { dropItem(pt, 61); } // Furnace
+        else if (type == 63) { dropItem(pt, 323); } // Sign post
+        else if (type == 64) { dropItem(pt, 324); } // Wood door
+        else if (type == 67) { dropItem(pt, 4); } // Cobblestone stairs
+        else if (type == 68) { dropItem(pt, 323); } // Wall sign
+        else if (type == 71) { dropItem(pt, 330); } // Iron door
+        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 == 75) { dropItem(pt, 76); } // Redstone torch
+        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 == 90) { } // Portal
+        else if (type != 0) {
+            dropItem(pt, type);
+        }
+    }
+}