Farm stacker - additional commit

src/cx/sfy/LagAssist/microfeatures/GrowableStack.java

@@ -0,0 +1,54 @@
+package cx.sfy.LagAssist.microfeatures;
+
+import java.util.WeakHashMap;
+
+import org.bukkit.Chunk;
+import org.bukkit.Material;
+import org.bukkit.block.BlockState;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockGrowEvent;
+import org.bukkit.inventory.ItemStack;
+
+import cx.sfy.LagAssist.Main;
+
+public class GrowableStack implements Listener {
+	private static WeakHashMap<Chunk, WeakHashMap<Material, Integer>> counts = new WeakHashMap<>();
+
+	@EventHandler
+	public void onCropGrowdth(BlockGrowEvent e) {
+		if (!Main.config.getBoolean("microfeatures.stack-growables.enable")) {
+			return;
+		}
+
+		BlockState b = e.getNewState();
+		Chunk chk = b.getChunk();
+
+		Material mat = b.getType();
+		
+		if (!Main.config.getStringList("microfeatures.stack-growables.blocks").contains(mat.toString())) {
+			return;
+		}
+		
+		int current = counts.getOrDefault(chk, new WeakHashMap<>()).getOrDefault(mat, 0) + 1;
+		int stacksize = Main.config.getInt("microfeatures.stack-growables.stacksize");
+		
+		e.setCancelled(true);
+
+		if (current % stacksize == 0) {
+			b.getLocation().getWorld().dropItemNaturally(b.getLocation(), new ItemStack(mat, stacksize));
+			// Main.sendDebug("Cactus stack in chunk " + chk.getX() + " " + chk.getZ() + " at " + current + " for " + mat.toString(), 2);
+		}
+
+		counts.compute(chk, (k, v) -> {
+			if (v == null) {
+				v = new WeakHashMap<>();
+			}
+
+			v.put(mat, current);
+
+			return v;
+		});
+	}
+
+}