1 files changed, 133 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/WorldGenMegaTreeAbstract.java b/src/main/java/net/minecraft/server/WorldGenMegaTreeAbstract.java
new file mode 100644
index 00000000..cabbb9f5
--- /dev/null
+++ b/src/main/java/net/minecraft/server/WorldGenMegaTreeAbstract.java
@@ -0,0 +1,133 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+import org.bukkit.craftbukkit.CraftBlockChangeDelegate; // CraftBukkit
+
+public abstract class WorldGenMegaTreeAbstract extends WorldGenTreeAbstract {
+
+    protected final int a;
+    protected final int b;
+    protected final int c;
+    protected int d;
+
+    public WorldGenMegaTreeAbstract(boolean flag, int i, int j, int k, int l) {
+        super(flag);
+        this.a = i;
+        this.d = j;
+        this.b = k;
+        this.c = l;
+    }
+
+    protected int a(Random random) {
+        int i = random.nextInt(3) + this.a;
+
+        if (this.d > 1) {
+            i += random.nextInt(this.d);
+        }
+
+        return i;
+    }
+
+    // CraftBukkit - Changed world to CraftBlockChangeDelegate
+    private boolean b(CraftBlockChangeDelegate world, Random random, int i, int j, int k, int l) {
+        boolean flag = true;
+
+        if (j >= 1 && j + l + 1 <= 256) {
+            for (int i1 = j; i1 <= j + 1 + l; ++i1) {
+                byte b0 = 2;
+
+                if (i1 == j) {
+                    b0 = 1;
+                }
+
+                if (i1 >= j + 1 + l - 2) {
+                    b0 = 2;
+                }
+
+                for (int j1 = i - b0; j1 <= i + b0 && flag; ++j1) {
+                    for (int k1 = k - b0; k1 <= k + b0 && flag; ++k1) {
+                        if (i1 >= 0 && i1 < 256) {
+                            Block block = world.getType(j1, i1, k1);
+
+                            // CraftBukkit - ignore our own saplings
+                            if (block != Blocks.SAPLING && !this.a(block)) {
+                                flag = false;
+                            }
+                        } else {
+                            flag = false;
+                        }
+                    }
+                }
+            }
+
+            return flag;
+        } else {
+            return false;
+        }
+    }
+
+    // CraftBukkit - Change world to CraftBlockChangeDelegate
+    private boolean c(CraftBlockChangeDelegate world, Random random, int i, int j, int k) {
+        Block block = world.getType(i, j - 1, k);
+
+        if ((block == Blocks.GRASS || block == Blocks.DIRT) && j >= 2) {
+            world.setTypeAndData(i, j - 1, k, Blocks.DIRT, 0, 2);
+            world.setTypeAndData(i + 1, j - 1, k, Blocks.DIRT, 0, 2);
+            world.setTypeAndData(i, j - 1, k + 1, Blocks.DIRT, 0, 2);
+            world.setTypeAndData(i + 1, j - 1, k + 1, Blocks.DIRT, 0, 2);
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    // CraftBukkit - Change world to CraftBlockChangeDelegate
+    protected boolean a(CraftBlockChangeDelegate world, Random random, int i, int j, int k, int l) {
+        return this.b(world, random, i, j, k, l) && this.c(world, random, i, j, k);
+    }
+
+    // CraftBukkit - Change world to CraftBlockChangeDelegate
+    protected void a(CraftBlockChangeDelegate world, int i, int j, int k, int l, Random random) {
+        int i1 = l * l;
+
+        for (int j1 = i - l; j1 <= i + l + 1; ++j1) {
+            int k1 = j1 - i;
+
+            for (int l1 = k - l; l1 <= k + l + 1; ++l1) {
+                int i2 = l1 - k;
+                int j2 = k1 - 1;
+                int k2 = i2 - 1;
+
+                if (k1 * k1 + i2 * i2 <= i1 || j2 * j2 + k2 * k2 <= i1 || k1 * k1 + k2 * k2 <= i1 || j2 * j2 + i2 * i2 <= i1) {
+                    Block block = world.getType(j1, j, l1);
+
+                    if (block.getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) {
+                        this.setTypeAndData(world, j1, j, l1, Blocks.LEAVES, this.c);
+                    }
+                }
+            }
+        }
+    }
+
+    // CraftBukkit - Change world to CraftBlockChangeDelegate
+    protected void b(CraftBlockChangeDelegate world, int i, int j, int k, int l, Random random) {
+        int i1 = l * l;
+
+        for (int j1 = i - l; j1 <= i + l; ++j1) {
+            int k1 = j1 - i;
+
+            for (int l1 = k - l; l1 <= k + l; ++l1) {
+                int i2 = l1 - k;
+
+                if (k1 * k1 + i2 * i2 <= i1) {
+                    Block block = world.getType(j1, j, l1);
+
+                    if (block.getMaterial() == Material.AIR || block.getMaterial() == Material.LEAVES) {
+                        this.setTypeAndData(world, j1, j, l1, Blocks.LEAVES, this.c);
+                    }
+                }
+            }
+        }
+    }
+}