change package names

java/src/common/block/BlockAir.java

@@ -0,0 +1,56 @@
+package common.block;
+
+import common.material.Material;
+import common.world.BlockPos;
+import common.world.BoundingBox;
+import common.world.State;
+import common.world.World;
+
+public class BlockAir extends Block
+{
+	public BlockAir()
+    {
+        super(Material.air);
+    }
+
+    /**
+     * The type of render function called. 3 for standard block models, 2 for TESR's, 1 for liquids, -1 is no render
+     */
+    public int getRenderType()
+    {
+        return -1;
+    }
+
+    public BoundingBox getCollisionBoundingBox(World worldIn, BlockPos pos, State state)
+    {
+        return null;
+    }
+
+    /**
+     * Used to determine ambient occlusion and culling when rebuilding chunks for render
+     */
+    public boolean isOpaqueCube()
+    {
+        return false;
+    }
+
+    public boolean canCollideCheck(State state, boolean hitIfLiquid)
+    {
+        return false;
+    }
+
+    /**
+     * Spawns this Block's drops into the World as EntityItems.
+     */
+    public void dropBlockAsItemWithChance(World worldIn, BlockPos pos, State state, float chance, int fortune)
+    {
+    }
+
+    /**
+     * Whether this Block can be replaced directly by other blocks (true for e.g. tall grass)
+     */
+    public boolean isReplaceable(World worldIn, BlockPos pos)
+    {
+        return true;
+    }
+}