add redstone hooks

5 files changed, 536 insertions, 33 deletions

diff --git a/src/main/java/net/minecraft/server/BlockButton.java b/src/main/java/net/minecraft/server/BlockButton.java
index f29662bd..54cf1fed 100644
--- a/src/main/java/net/minecraft/server/BlockButton.java
+++ b/src/main/java/net/minecraft/server/BlockButton.java
@@ -3,10 +3,12 @@ package net.minecraft.server;
 import java.util.Random;
 
 // CraftBukkit start
+import org.bukkit.BlockFace;
 import org.bukkit.craftbukkit.CraftBlock;
 import org.bukkit.craftbukkit.CraftPlayer;
 import org.bukkit.event.Event.Type;
 import org.bukkit.event.block.BlockInteractEvent;
+import org.bukkit.event.block.BlockRedstoneEvent;
 // CraftBukkit end
 
 public class BlockButton extends Block {
@@ -143,9 +145,12 @@ public class BlockButton extends Block {
 
         ((WorldServer) world).getServer().getPluginManager().callEvent(bie);
 
-        if (bie.isCancelled()) return true;
+        if (bie.isCancelled()) {
+            return true;
+        }
         // CraftBukkit end
 
+
         if (world.z) {
             return true;
         }
@@ -156,22 +161,30 @@ public class BlockButton extends Block {
         if (j1 == 0) {
             return true;
         }
-        world.b(i, j, k, i1 + j1);
-        world.b(i, j, k, i, j, k);
-        world.a((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "random.click", 0.3F, 0.6F);
-        world.g(i, j, k, bh);
-        if (i1 == 1) {
-            world.g(i - 1, j, k, bh);
-        } else if (i1 == 2) {
-            world.g(i + 1, j, k, bh);
-        } else if (i1 == 3) {
-            world.g(i, j, k - 1, bh);
-        } else if (i1 == 4) {
-            world.g(i, j, k + 1, bh);
-        } else {
-            world.g(i, j - 1, k, bh);
+
+        //Allow the lever to change the current
+        int old = (j1 != 8) ? 1 : 0;
+        int current = (j1 == 8) ? 1 : 0;
+        BlockRedstoneEvent bre = new BlockRedstoneEvent(block, BlockFace.Self, old, current);
+        ((WorldServer) world).getServer().getPluginManager().callEvent(bre);
+        if ((bre.getNewCurrent() > 0) == (k == 8)) {
+            world.b(i, j, k, i1 + j1);
+            world.b(i, j, k, i, j, k);
+            world.a((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "random.click", 0.3F, 0.6F);
+            world.g(i, j, k, bh);
+            if (i1 == 1) {
+                world.g(i - 1, j, k, bh);
+            } else if (i1 == 2) {
+                world.g(i + 1, j, k, bh);
+            } else if (i1 == 3) {
+                world.g(i, j, k - 1, bh);
+            } else if (i1 == 4) {
+                world.g(i, j, k + 1, bh);
+            } else {
+                world.g(i, j - 1, k, bh);
+            }
+            world.h(i, j, k, bh);
         }
-        world.h(i, j, k, bh);
         return true;
     }
 
diff --git a/src/main/java/net/minecraft/server/BlockLever.java b/src/main/java/net/minecraft/server/BlockLever.java
index 796c0757..d8f264c2 100644
--- a/src/main/java/net/minecraft/server/BlockLever.java
+++ b/src/main/java/net/minecraft/server/BlockLever.java
@@ -1,10 +1,12 @@
 package net.minecraft.server;
 
 // CraftBukkit start
+import org.bukkit.BlockFace;
 import org.bukkit.craftbukkit.CraftBlock;
 import org.bukkit.craftbukkit.CraftPlayer;
 import org.bukkit.event.Event.Type;
 import org.bukkit.event.block.BlockInteractEvent;
+import org.bukkit.event.block.BlockRedstoneEvent;
 // CraftBukkit end
 
 public class BlockLever extends Block {
@@ -159,20 +161,27 @@ public class BlockLever extends Block {
         int i1 = l & 7;
         int j1 = 8 - (l & 8);
 
-        world.b(i, j, k, i1 + j1);
-        world.b(i, j, k, i, j, k);
-        world.a((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "random.click", 0.3F, j1 <= 0 ? 0.5F : 0.6F);
-        world.g(i, j, k, bh);
-        if (i1 == 1) {
-            world.g(i - 1, j, k, bh);
-        } else if (i1 == 2) {
-            world.g(i + 1, j, k, bh);
-        } else if (i1 == 3) {
-            world.g(i, j, k - 1, bh);
-        } else if (i1 == 4) {
-            world.g(i, j, k + 1, bh);
-        } else {
-            world.g(i, j - 1, k, bh);
+        //Allow the lever to change the current
+        int old = (j1 != 8) ? 1 : 0;
+        int current = (j1 == 8) ? 1 : 0;
+        BlockRedstoneEvent bre = new BlockRedstoneEvent(block, BlockFace.Self, old, current);
+        ((WorldServer) world).getServer().getPluginManager().callEvent(bre);
+        if ((bre.getNewCurrent() > 0) == (k == 8)) {
+            world.b(i, j, k, i1 + j1);
+            world.b(i, j, k, i, j, k);
+            world.a((double) i + 0.5D, (double) j + 0.5D, (double) k + 0.5D, "random.click", 0.3F, j1 <= 0 ? 0.5F : 0.6F);
+            world.g(i, j, k, bh);
+            if (i1 == 1) {
+                world.g(i - 1, j, k, bh);
+            } else if (i1 == 2) {
+                world.g(i + 1, j, k, bh);
+            } else if (i1 == 3) {
+                world.g(i, j, k - 1, bh);
+            } else if (i1 == 4) {
+                world.g(i, j, k + 1, bh);
+            } else {
+                world.g(i, j - 1, k, bh);
+            }
         }
         return true;
     }
diff --git a/src/main/java/net/minecraft/server/BlockPressurePlate.java b/src/main/java/net/minecraft/server/BlockPressurePlate.java
index 0e984995..3e228536 100644
--- a/src/main/java/net/minecraft/server/BlockPressurePlate.java
+++ b/src/main/java/net/minecraft/server/BlockPressurePlate.java
@@ -4,11 +4,12 @@ import java.util.List;
 import java.util.Random;
 
 // CraftBukkit start
-import org.bukkit.craftbukkit.CraftBlock;
+import org.bukkit.BlockFace;import org.bukkit.craftbukkit.CraftBlock;
 import org.bukkit.craftbukkit.CraftLivingEntity;
 import org.bukkit.craftbukkit.CraftPlayer;
 import org.bukkit.event.Event.Type;
 import org.bukkit.event.block.BlockInteractEvent;
+import org.bukkit.event.block.BlockRedstoneEvent;
 // CraftBukkit end
 
 public class BlockPressurePlate extends Block {
@@ -40,7 +41,8 @@ public class BlockPressurePlate extends Block {
         return world.d(i, j - 1, k);
     }
 
-    public void e(World world, int i, int j, int k) {}
+    public void e(World world, int i, int j, int k) {
+    }
 
     public void b(World world, int i, int j, int k, int l) {
         boolean flag = false;
@@ -87,7 +89,9 @@ public class BlockPressurePlate extends Block {
 
                 ((WorldServer) world).getServer().getPluginManager().callEvent(bie);
 
-                if (bie.isCancelled()) return;
+                if (bie.isCancelled()) {
+                    return;
+                }
             }
             // CraftBukkit end
 
@@ -114,6 +118,10 @@ public class BlockPressurePlate extends Block {
         if (list.size() > 0) {
             flag1 = true;
         }
+        CraftBlock block = (CraftBlock) ((WorldServer) world).getWorld().getBlockAt(i, j, k);
+        BlockRedstoneEvent bre = new BlockRedstoneEvent(block, BlockFace.Self, flag ? 15 : 0, flag1 ? 15 : 0);
+        ((WorldServer) world).getServer().getPluginManager().callEvent(bre);
+        flag1 = bre.getNewCurrent() > 0;
         if (flag1 && !flag) {
             world.b(i, j, k, 1);
             world.g(i, j, k, bh);
diff --git a/src/main/java/net/minecraft/server/BlockRedstoneTorch.java b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
new file mode 100644
index 00000000..366e2876
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockRedstoneTorch.java
@@ -0,0 +1,160 @@
+package net.minecraft.server;
+
+import java.util.*;
+import org.bukkit.BlockFace;
+import org.bukkit.craftbukkit.CraftBlock;
+import org.bukkit.event.block.BlockRedstoneEvent;
+
+public class BlockRedstoneTorch extends BlockTorch {
+
+    private boolean a;
+    private static List b = new ArrayList();
+
+    private boolean a(World world, int i, int j, int k, boolean flag) {
+        if (flag) {
+            b.add(((new RedstoneUpdateInfo(i, j, k, world.e))));
+        }
+        int l = 0;
+
+        for (int i1 = 0; i1 < b.size(); i1++) {
+            RedstoneUpdateInfo redstoneupdateinfo = (RedstoneUpdateInfo) b.get(i1);
+
+            if (redstoneupdateinfo.a == i && redstoneupdateinfo.b == j && redstoneupdateinfo.c == k && ++l >= 8) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    protected BlockRedstoneTorch(int i, int j, boolean flag) {
+        super(i, j);
+        a = false;
+        a = flag;
+        a(true);
+    }
+
+    public int b() {
+        return 2;
+    }
+
+    public void e(World world, int i, int j, int k) {
+        if (world.b(i, j, k) == 0) {
+            super.e(world, i, j, k);
+        }
+        if (a) {
+            world.g(i, j - 1, k, bh);
+            world.g(i, j + 1, k, bh);
+            world.g(i - 1, j, k, bh);
+            world.g(i + 1, j, k, bh);
+            world.g(i, j, k - 1, bh);
+            world.g(i, j, k + 1, bh);
+        }
+    }
+
+    public void b(World world, int i, int j, int k) {
+        if (a) {
+            world.g(i, j - 1, k, bh);
+            world.g(i, j + 1, k, bh);
+            world.g(i - 1, j, k, bh);
+            world.g(i + 1, j, k, bh);
+            world.g(i, j, k - 1, bh);
+            world.g(i, j, k + 1, bh);
+        }
+    }
+
+    public boolean b(IBlockAccess iblockaccess, int i, int j, int k, int l) {
+        if (!a) {
+            return false;
+        }
+        int i1 = iblockaccess.b(i, j, k);
+
+        if (i1 == 5 && l == 1) {
+            return false;
+        }
+        if (i1 == 3 && l == 3) {
+            return false;
+        }
+        if (i1 == 4 && l == 2) {
+            return false;
+        }
+        if (i1 == 1 && l == 5) {
+            return false;
+        }
+        return i1 != 2 || l != 4;
+    }
+
+    private boolean g(World world, int i, int j, int k) {
+        int l = world.b(i, j, k);
+
+        if (l == 5 && world.j(i, j - 1, k, 0)) {
+            return true;
+        }
+        if (l == 3 && world.j(i, j, k - 1, 2)) {
+            return true;
+        }
+        if (l == 4 && world.j(i, j, k + 1, 3)) {
+            return true;
+        }
+        if (l == 1 && world.j(i - 1, j, k, 4)) {
+            return true;
+        }
+        return l == 2 && world.j(i + 1, j, k, 5);
+    }
+
+    public void a(World world, int i, int j, int k, Random random) {
+        boolean flag = g(world, i, j, k);
+
+        for (; b.size() > 0 && world.e - ((RedstoneUpdateInfo) b.get(0)).d > 100L; b.remove(0)) {
+            ;
+        }
+        //Added by craftbukkit
+        CraftBlock block = (CraftBlock) ((WorldServer) world).getWorld().getBlockAt(i, j, k);
+        BlockRedstoneEvent bre = new BlockRedstoneEvent(block, BlockFace.Self, flag ? 15 : 0, flag ? 0 : 15);
+        ((WorldServer) world).getServer().getPluginManager().callEvent(bre);
+        if ((bre.getNewCurrent() != 0) == flag) {
+            return;
+        }
+        if (a) {
+            if (flag) {
+                world.b(i, j, k, Block.aP.bh, world.b(i, j, k));
+
+                if (a(world, i, j, k, true)) {
+                    world.a((float) i + 0.5F, (float) j + 0.5F, (float) k + 0.5F, "random.fizz", 0.5F, 2.6F + (world.l.nextFloat() - world.l.nextFloat()) * 0.8F);
+                    for (int l = 0; l < 5; l++) {
+                        double d1 = (double) i + random.nextDouble() * 0.59999999999999998D + 0.20000000000000001D;
+                        double d2 = (double) j + random.nextDouble() * 0.59999999999999998D + 0.20000000000000001D;
+                        double d3 = (double) k + random.nextDouble() * 0.59999999999999998D + 0.20000000000000001D;
+
+                        world.a("smoke", d1, d2, d3, 0.0D, 0.0D, 0.0D);
+                    }
+                }
+            }
+        } else if (!flag
+                && !a(world, i, j, k,
+                false)) {
+            world.b(i, j, k, Block.aQ.bh, world.b(i, j, k));
+        }
+    }
+
+    public void b(World world, int i, int j, int k, int l) {
+        super.b(world, i, j, k, l);
+        world.h(i, j, k, bh);
+    }
+
+    public boolean d(World world, int i, int j, int k, int l) {
+        if (l == 0) {
+            return b(((IBlockAccess) (world)), i, j, k, l);
+        } else {
+            return false;
+        }
+    }
+
+    public int a(int i, Random random) {
+        return Block.aQ.bh;
+    }
+
+    public boolean c() {
+        return true;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/BlockRedstoneWire.java b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
new file mode 100644
index 00000000..3548570d
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockRedstoneWire.java
@@ -0,0 +1,313 @@
+package net.minecraft.server;
+
+import java.util.Random;
+import org.bukkit.BlockFace;
+import org.bukkit.craftbukkit.CraftBlock;
+import org.bukkit.event.block.BlockRedstoneEvent;
+import org.bukkit.plugin.PluginLoader;
+
+public class BlockRedstoneWire extends Block {
+
+    private boolean a;
+
+    public BlockRedstoneWire(int i, int j) {
+        super(i, j, Material.n);
+        a = true;
+        a(0.0F, 0.0F, 0.0F, 1.0F, 0.0625F, 1.0F);
+    }
+
+    public AxisAlignedBB d(World world, int i, int j, int k) {
+        return null;
+    }
+
+    public boolean a() {
+        return false;
+    }
+
+    public boolean a(World world, int i, int j, int k) {
+        return world.d(i, j - 1, k);
+    }
+
+    private void g(World world, int i, int j, int k) {
+        int l = world.b(i, j, k);
+        int i1 = 0;
+
+        a = false;
+        boolean flag = world.o(i, j, k);
+
+        a = true;
+        if (flag) {
+            i1 = 15;
+        } else {
+            for (int j1 = 0; j1 < 4; j1++) {
+                int l1 = i;
+                int j2 = k;
+
+                if (j1 == 0) {
+                    l1--;
+                }
+                if (j1 == 1) {
+                    l1++;
+                }
+                if (j1 == 2) {
+                    j2--;
+                }
+                if (j1 == 3) {
+                    j2++;
+                }
+                i1 = f(world, l1, j, j2, i1);
+                if (world.d(l1, j, j2) && !world.d(i, j + 1, k)) {
+                    i1 = f(world, l1, j + 1, j2, i1);
+                    continue;
+                }
+                if (!world.d(l1, j, j2)) {
+                    i1 = f(world, l1, j - 1, j2, i1);
+                }
+            }
+
+            if (i1 > 0) {
+                i1--;
+            } else {
+                i1 = 0;
+            }
+        }
+        //Allow redstone wire current changes
+        if (l != i1) {
+            CraftBlock block = (CraftBlock) ((WorldServer) world).getWorld().getBlockAt(i, j, k);
+            BlockRedstoneEvent bre = new BlockRedstoneEvent(block, BlockFace.Self, l, i1);
+            ((WorldServer) world).getServer().getPluginManager().callEvent(bre);
+            i1 = bre.getNewCurrent();
+        }
+        if (l != i1) {
+            world.b(i, j, k, i1);
+            world.b(i, j, k, i, j, k);
+            if (i1 > 0) {
+                i1--;
+            }
+            for (int k1 = 0; k1 < 4; k1++) {
+                int i2 = i;
+                int k2 = k;
+                int l2 = j - 1;
+
+                if (k1 == 0) {
+                    i2--;
+                }
+                if (k1 == 1) {
+                    i2++;
+                }
+                if (k1 == 2) {
+                    k2--;
+                }
+                if (k1 == 3) {
+                    k2++;
+                }
+                if (world.d(i2, j, k2)) {
+                    l2 += 2;
+                }
+                int i3 = f(world, i2, j, k2, -1);
+
+                if (i3 >= 0 && i3 != i1) {
+                    g(world, i2, j, k2);
+                }
+                i3 = f(world, i2, l2, k2, -1);
+                if (i3 >= 0 && i3 != i1) {
+                    g(world, i2, l2, k2);
+                }
+            }
+
+            if (l == 0 || i1 == 0) {
+                world.g(i, j, k, bh);
+                world.g(i - 1, j, k, bh);
+                world.g(i + 1, j, k, bh);
+                world.g(i, j, k - 1, bh);
+                world.g(i, j, k + 1, bh);
+                world.g(i, j - 1, k, bh);
+                world.g(i, j + 1, k, bh);
+            }
+        }
+    }
+
+    private void h(World world, int i, int j, int k) {
+        if (world.a(i, j, k) != bh) {
+            return;
+        } else {
+            world.g(i, j, k, bh);
+            world.g(i - 1, j, k, bh);
+            world.g(i + 1, j, k, bh);
+            world.g(i, j, k - 1, bh);
+            world.g(i, j, k + 1, bh);
+            world.g(i, j - 1, k, bh);
+            world.g(i, j + 1, k, bh);
+            return;
+        }
+    }
+
+    public void e(World world, int i, int j, int k) {
+        super.e(world, i, j, k);
+        if (world.z) {
+            return;
+        }
+        g(world, i, j, k);
+        world.g(i, j + 1, k, bh);
+        world.g(i, j - 1, k, bh);
+        h(world, i - 1, j, k);
+        h(world, i + 1, j, k);
+        h(world, i, j, k - 1);
+        h(world, i, j, k + 1);
+        if (world.d(i - 1, j, k)) {
+            h(world, i - 1, j + 1, k);
+        } else {
+            h(world, i - 1, j - 1, k);
+        }
+        if (world.d(i + 1, j, k)) {
+            h(world, i + 1, j + 1, k);
+        } else {
+            h(world, i + 1, j - 1, k);
+        }
+        if (world.d(i, j, k - 1)) {
+            h(world, i, j + 1, k - 1);
+        } else {
+            h(world, i, j - 1, k - 1);
+        }
+        if (world.d(i, j, k + 1)) {
+            h(world, i, j + 1, k + 1);
+        } else {
+            h(world, i, j - 1, k + 1);
+        }
+    }
+
+    public void b(World world, int i, int j, int k) {
+        super.b(world, i, j, k);
+        if (world.z) {
+            return;
+        }
+        world.g(i, j + 1, k, bh);
+        world.g(i, j - 1, k, bh);
+        g(world, i, j, k);
+        h(world, i - 1, j, k);
+        h(world, i + 1, j, k);
+        h(world, i, j, k - 1);
+        h(world, i, j, k + 1);
+        if (world.d(i - 1, j, k)) {
+            h(world, i - 1, j + 1, k);
+        } else {
+            h(world, i - 1, j - 1, k);
+        }
+        if (world.d(i + 1, j, k)) {
+            h(world, i + 1, j + 1, k);
+        } else {
+            h(world, i + 1, j - 1, k);
+        }
+        if (world.d(i, j, k - 1)) {
+            h(world, i, j + 1, k - 1);
+        } else {
+            h(world, i, j - 1, k - 1);
+        }
+        if (world.d(i, j, k + 1)) {
+            h(world, i, j + 1, k + 1);
+        } else {
+            h(world, i, j - 1, k + 1);
+        }
+    }
+
+    private int f(World world, int i, int j, int k, int l) {
+        if (world.a(i, j, k) != bh) {
+            return l;
+        }
+        int i1 = world.b(i, j, k);
+
+        if (i1 > l) {
+            return i1;
+        } else {
+            return l;
+        }
+    }
+
+    public void b(World world, int i, int j, int k, int l) {
+        if (world.z) {
+            return;
+        }
+        int i1 = world.b(i, j, k);
+        boolean flag = a(world, i, j, k);
+
+        if (!flag) {
+            a_(world, i, j, k, i1);
+            world.d(i, j, k, 0);
+        } else {
+            g(world, i, j, k);
+        }
+        super.b(world, i, j, k, l);
+    }
+
+    public int a(int i, Random random) {
+        return Item.aA.aW;
+    }
+
+    public boolean d(World world, int i, int j, int k, int l) {
+        if (!a) {
+            return false;
+        } else {
+            return b(((IBlockAccess) (world)), i, j, k, l);
+        }
+    }
+
+    public boolean b(IBlockAccess iblockaccess, int i, int j, int k, int l) {
+        if (!a) {
+            return false;
+        }
+        if (iblockaccess.b(i, j, k) == 0) {
+            return false;
+        }
+        if (l == 1) {
+            return true;
+        }
+        boolean flag = b(iblockaccess, i - 1, j, k) || !iblockaccess.d(i - 1, j, k) && b(iblockaccess, i - 1, j - 1, k);
+        boolean flag1 = b(iblockaccess, i + 1, j, k) || !iblockaccess.d(i + 1, j, k) && b(iblockaccess, i + 1, j - 1, k);
+        boolean flag2 = b(iblockaccess, i, j, k - 1) || !iblockaccess.d(i, j, k - 1) && b(iblockaccess, i, j - 1, k - 1);
+        boolean flag3 = b(iblockaccess, i, j, k + 1) || !iblockaccess.d(i, j, k + 1) && b(iblockaccess, i, j - 1, k + 1);
+
+        if (!iblockaccess.d(i, j + 1, k)) {
+            if (iblockaccess.d(i - 1, j, k) && b(iblockaccess, i - 1, j + 1, k)) {
+                flag = true;
+            }
+            if (iblockaccess.d(i + 1, j, k) && b(iblockaccess, i + 1, j + 1, k)) {
+                flag1 = true;
+            }
+            if (iblockaccess.d(i, j, k - 1) && b(iblockaccess, i, j + 1, k - 1)) {
+                flag2 = true;
+            }
+            if (iblockaccess.d(i, j, k + 1) && b(iblockaccess, i, j + 1, k + 1)) {
+                flag3 = true;
+            }
+        }
+        if (!flag2 && !flag1 && !flag && !flag3 && l >= 2 && l <= 5) {
+            return true;
+        }
+        if (l == 2 && flag2 && !flag && !flag1) {
+            return true;
+        }
+        if (l == 3 && flag3 && !flag && !flag1) {
+            return true;
+        }
+        if (l == 4 && flag && !flag2 && !flag3) {
+            return true;
+        }
+        return l == 5 && flag1 && !flag2 && !flag3;
+    }
+
+    public boolean c() {
+        return a;
+    }
+
+    public static boolean b(IBlockAccess iblockaccess, int i, int j, int k) {
+        int l = iblockaccess.a(i, j, k);
+
+        if (l == Block.av.bh) {
+            return true;
+        }
+        if (l == 0) {
+            return false;
+        }
+        return Block.m[l].c();
+    }
+}