More file moving.

src/main/java/com/sk89q/worldedit/masks/BlockTypeMask.java

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+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 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/>.
+*/
+
+package com.sk89q.worldedit.masks;
+
+import java.util.HashSet;
+import java.util.Set;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+/**
+ * A filter that matches blocks based on block types.
+ *
+ * @author sk89q
+ */
+public class BlockTypeMask implements Mask {
+    protected Set<Integer> types;
+    
+    public BlockTypeMask() {
+        types = new HashSet<Integer>();
+    }
+    
+    public BlockTypeMask(Set<Integer> types) {
+        this.types = types;
+    }
+    
+    public BlockTypeMask(int type) {
+        this();
+        add(type);
+    }
+    
+    public void add(int type) {
+        types.add(type);
+    }
+    
+    public boolean matches(EditSession editSession, Vector pos) {
+        return types.contains(editSession.getBlockType(pos));
+    }
+
+}

src/main/java/com/sk89q/worldedit/masks/ExistingBlockMask.java

@@ -0,0 +1,29 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 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/>.
+*/
+
+package com.sk89q.worldedit.masks;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+public class ExistingBlockMask implements Mask {
+    public boolean matches(EditSession editSession, Vector pos) {
+        return editSession.getBlockType(pos) != 0;
+    }
+}

src/main/java/com/sk89q/worldedit/masks/InvertedBlockTypeMask.java

@@ -0,0 +1,54 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 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/>.
+*/
+
+package com.sk89q.worldedit.masks;
+
+import java.util.Set;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+/**
+ * A block type mask that only matches blocks that are not in the list.
+ *
+ * @author sk89q
+ */
+public class InvertedBlockTypeMask extends BlockTypeMask {
+    public InvertedBlockTypeMask() {
+    }
+
+    /**
+     * @param types
+     */
+    public InvertedBlockTypeMask(Set<Integer> types) {
+        super(types);
+    }
+
+    /**
+     * @param type
+     */
+    public InvertedBlockTypeMask(int type) {
+        super(type);
+    }
+
+    @Override
+    public boolean matches(EditSession editSession, Vector pos) {
+        return !types.contains(editSession.getBlockType(pos));
+    }
+
+}

src/main/java/com/sk89q/worldedit/masks/Mask.java

@@ -0,0 +1,43 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 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/>.
+*/
+
+package com.sk89q.worldedit.masks;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+/**
+ * Base matcher for the block filtering framework. Implementing classes
+ * can be used to filter blocks to set or replace
+ *
+ * @author sk89q
+ */
+public interface Mask {
+    /**
+     * Given a block position, this method returns true if the block at
+     * that position matches the filter. Block information is not provided
+     * as getting a BaseBlock has unneeded overhead in most block querying
+     * situations (enumerating a chest's contents is a waste, for example).
+     * 
+     * @param editSession 
+     * @param pos
+     * @return
+     */
+    public boolean matches(EditSession editSession, Vector pos);
+}