From 3dbacbc2c3d534d27a6c0946010b36909d077d4c Mon Sep 17 00:00:00 2001
From: Dinnerbone <dinnerbone@dinnerbone.com>
Date: Tue, 4 Jan 2011 22:09:40 +0000
Subject: [PATCH] Implemented LEAVES_DECAY

---
 .../net/minecraft/server/BlockLeaves.java     | 155 ++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 src/main/java/net/minecraft/server/BlockLeaves.java

diff --git a/src/main/java/net/minecraft/server/BlockLeaves.java b/src/main/java/net/minecraft/server/BlockLeaves.java
new file mode 100644
index 0000000000..24d64514af
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockLeaves.java
@@ -0,0 +1,155 @@
+package net.minecraft.server;
+
+
+import java.util.Random;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.event.Event.Type;
+import org.bukkit.event.block.LeavesDecayEvent;
+
+
+public class BlockLeaves extends BlockLeavesBase {
+
+    private int c;
+    int b[];
+
+    protected BlockLeaves(int i, int j) {
+        super(i, j, Material.h, false);
+        c = j;
+        a(true);
+    }
+
+    public void b(World world, int i, int j, int k) {
+        int l = 1;
+        int i1 = l + 1;
+
+        if (world.a(i - i1, j - i1, k - i1, i + i1, j + i1, k + i1)) {
+            for (int j1 = -l; j1 <= l; j1++) {
+                for (int k1 = -l; k1 <= l; k1++) {
+                    for (int l1 = -l; l1 <= l; l1++) {
+                        int i2 = world.a(i + j1, j + k1, k + l1);
+
+                        if (i2 == Block.K.bh) {
+                            world.c(i + j1, j + k1, k + l1, 7);
+                        }
+                    }
+
+                }
+
+            }
+
+        }
+    }
+
+    public void a(World world, int i, int j, int k, Random random) {
+        if (world.z) {
+            return;
+        }
+        if (world.b(i, j, k) == 7) {
+            byte byte0 = 4;
+            int l = byte0 + 1;
+            byte byte1 = 32;
+            int i1 = byte1 * byte1;
+            int j1 = byte1 / 2;
+
+            if (b == null) {
+                b = new int[byte1 * byte1 * byte1];
+            }
+            if (world.a(i - l, j - l, k - l, i + l, j + l, k + l)) {
+                for (int k1 = -byte0; k1 <= byte0; k1++) {
+                    for (int j2 = -byte0; j2 <= byte0; j2++) {
+                        for (int l2 = -byte0; l2 <= byte0; l2++) {
+                            int j3 = world.a(i + k1, j + j2, k + l2);
+
+                            if (j3 == Block.J.bh) {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = 0;
+                                continue;
+                            }
+                            if (j3 == Block.K.bh) {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = -2;
+                            } else {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = -1;
+                            }
+                        }
+
+                    }
+
+                }
+
+                for (int l1 = 1; l1 <= 4; l1++) {
+                    for (int k2 = -byte0; k2 <= byte0; k2++) {
+                        for (int i3 = -byte0; i3 <= byte0; i3++) {
+                            for (int k3 = -byte0; k3 <= byte0; k3++) {
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] != l1 - 1) {
+                                    continue;
+                                }
+                                if (b[((k2 + j1) - 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] == -2) {
+                                    b[((k2 + j1) - 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1 + 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1 + 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + ((i3 + j1) - 1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1) * i1 + ((i3 + j1) - 1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1 + 1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1 + 1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + ((k3 + j1) - 1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1) * byte1 + ((k3 + j1) - 1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1 + 1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1 + 1)] = l1;
+                                }
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+            int i2 = b[j1 * i1 + j1 * byte1 + j1];
+
+            if (i2 >= 0) {
+                world.b(i, j, k, 0);
+            } else {
+                g(world, i, j, k);
+            }
+        }
+    }
+
+    private void g(World world, int i, int j, int k) {
+        // Craftbukkit start
+        CraftServer server = ((WorldServer)world).getServer();
+        CraftWorld cworld = ((WorldServer)world).getWorld();
+        LeavesDecayEvent event = new LeavesDecayEvent(Type.LEAVES_DECAY, cworld.getBlockAt(i, j, k));
+        server.getPluginManager().callEvent(event);
+        
+        if (event.isCancelled()) {
+            return;
+        }
+        // Craftbukkit end
+
+        a_(world, i, j, k, world.b(i, j, k));
+        world.d(i, j, k, 0);
+    }
+
+    public int a(Random random) {
+        return random.nextInt(16) != 0 ? 0 : 1;
+    }
+
+    public int a(int i, Random random) {
+        return Block.y.bh;
+    }
+
+    public boolean a() {
+        return !a;
+    }
+
+    public void b(World world, int i, int j, int k, Entity entity) {
+        super.b(world, i, j, k, entity);
+    }
+}
+