Cactus damage event.

src/main/java/net/minecraft/server/BlockCactus.java

@@ -0,0 +1,110 @@
+package net.minecraft.server;
+
+import org.bukkit.LivingEntity;
+import org.bukkit.craftbukkit.CraftBlock;
+import org.bukkit.craftbukkit.CraftEntity;
+import org.bukkit.craftbukkit.CraftLivingEntity;
+import org.bukkit.event.entity.EntityDamagedByBlockEvent;
+
+import java.util.Random;
+
+public class BlockCactus extends Block {
+
+    protected BlockCactus(int i, int j) {
+        super(i, j, Material.u);
+        a(true);
+    }
+
+    public void a(World world, int i, int j, int k, Random random) {
+        if (world.e(i, j + 1, k)) {
+            int l;
+
+            for (l = 1; world.a(i, j - l, k) == bh; l++) {
+                ;
+            }
+            if (l < 3) {
+                int i1 = world.b(i, j, k);
+
+                if (i1 == 15) {
+                    world.d(i, j + 1, k, bh);
+                    world.b(i, j, k, 0);
+                } else {
+                    world.b(i, j, k, i1 + 1);
+                }
+            }
+        }
+    }
+
+    public AxisAlignedBB d(World world, int i, int j, int k) {
+        float f1 = 0.0625F;
+
+        return AxisAlignedBB.b((float) i + f1, j, (float) k + f1, (float) (i + 1) - f1, (float) (j + 1) - f1, (float) (k + 1) - f1);
+    }
+
+    public int a(int i) {
+        if (i == 1) {
+            return bg - 1;
+        }
+        if (i == 0) {
+            return bg + 1;
+        } else {
+            return bg;
+        }
+    }
+
+    public boolean a() {
+        return false;
+    }
+
+    public boolean a(World world, int i, int j, int k) {
+        if (!super.a(world, i, j, k)) {
+            return false;
+        } else {
+            return f(world, i, j, k);
+        }
+    }
+
+    public void b(World world, int i, int j, int k, int l) {
+        if (!f(world, i, j, k)) {
+            a_(world, i, j, k, world.b(i, j, k));
+            world.d(i, j, k, 0);
+        }
+    }
+
+    public boolean f(World world, int i, int j, int k) {
+        if (world.c(i - 1, j, k).a()) {
+            return false;
+        }
+        if (world.c(i + 1, j, k).a()) {
+            return false;
+        }
+        if (world.c(i, j, k - 1).a()) {
+            return false;
+        }
+        if (world.c(i, j, k + 1).a()) {
+            return false;
+        } else {
+            int l = world.a(i, j - 1, k);
+
+            return l == Block.aV.bh || l == Block.E.bh;
+        }
+    }
+
+    public void a(World world, int i, int j, int k, Entity entity) {
+        // Craftbukkit: ENTITY_DAMAGEBY_BLOCK event
+        CraftEntity toPassIn = null;
+        if(entity instanceof EntityLiving)
+        {
+            toPassIn = new CraftLivingEntity(((WorldServer)world).getServer(), (EntityLiving)entity);
+        }
+        if(toPassIn != null)
+        {
+            EntityDamagedByBlockEvent edbbe = new EntityDamagedByBlockEvent(((WorldServer)world).getWorld().getBlockAt(i, j, k), toPassIn, 1);
+            ((WorldServer)world).getServer().getPluginManager().callEvent(edbbe);
+            if(edbbe.isCancelled()) return;
+        }
+        // Craftbukkit TODO: Other entities (when their respective classes are added) hitting a Cactus
+        entity.a(null, 1);
+    }
+}
+