experiments for clipboard

src/main/java/me/youhavetrouble/blockedit/util/Clipboard.java

@@ -0,0 +1,30 @@
+package me.youhavetrouble.blockedit.util;
+
+import org.bukkit.block.BlockState;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+public class Clipboard {
+
+    private HashMap<RelativeLocation, BlockState> blocks = new HashMap<>();
+
+    public Clipboard() {}
+
+    public void setBlocks(HashMap<RelativeLocation, BlockState> newClipboard) {
+        this.blocks = newClipboard;
+    }
+
+    public Map<RelativeLocation, BlockState> getBlocks() {
+        return Collections.unmodifiableMap(this.blocks);
+    }
+
+    public void clear() {
+        this.blocks.clear();
+    }
+
+    public boolean isEmpty() {
+        return this.blocks.isEmpty();
+    }
+}

src/main/java/me/youhavetrouble/blockedit/util/RelativeLocation.java

@@ -0,0 +1,36 @@
+package me.youhavetrouble.blockedit.util;
+
+public class RelativeLocation {
+
+    private double x, y, z;
+
+    public RelativeLocation(double x, double y, double z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
+    public double getX() {
+        return x;
+    }
+
+    public void setX(double x) {
+        this.x = x;
+    }
+
+    public double getY() {
+        return y;
+    }
+
+    public void setY(double y) {
+        this.y = y;
+    }
+
+    public double getZ() {
+        return z;
+    }
+
+    public void setZ(double z) {
+        this.z = z;
+    }
+}