geforkt von Mirrors/Paper
2bf205d5f9
Mob spawners are treated as solid blocks as far as the game is concerned for lighting and other tasks but for rendering they can be seen through, therefor we special case them so that the antixray doesn't show the fake blocks around them.
398 Zeilen
17 KiB
Diff
398 Zeilen
17 KiB
Diff
From 149f988a0165f036934d7f0fd527404b5a53a224 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Thu, 16 May 2013 18:51:05 +1000
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Subject: [PATCH] Orebfuscator
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diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
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index bc51217..8335e89 100644
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--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
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+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
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@@ -86,6 +86,7 @@ public class EntityFallingBlock extends Entity {
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}
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this.world.setAir(i, j, k);
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+ world.spigotConfig.antiXrayInstance.updateNearbyBlocks(world, i, j, k); // Spigot
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}
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if (this.onGround) {
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@@ -101,6 +102,7 @@ public class EntityFallingBlock extends Entity {
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}
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this.world.setTypeAndData(i, j, k, this.id, this.data, 3);
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// CraftBukkit end
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+ world.spigotConfig.antiXrayInstance.updateNearbyBlocks(world, i, j, k); // Spigot
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if (this.id instanceof BlockFalling) {
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((BlockFalling) this.id).a(this.world, i, j, k, this.data);
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diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
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index d6ac728..229b296 100644
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--- a/src/main/java/net/minecraft/server/Explosion.java
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+++ b/src/main/java/net/minecraft/server/Explosion.java
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@@ -239,6 +239,7 @@ public class Explosion {
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j = chunkposition.y;
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k = chunkposition.z;
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block = this.world.getType(i, j, k);
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+ world.spigotConfig.antiXrayInstance.updateNearbyBlocks(world, i, j, k); // Spigot
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if (flag) {
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double d0 = (double) ((float) i + this.world.random.nextFloat());
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double d1 = (double) ((float) j + this.world.random.nextFloat());
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diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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index 09b34e9..3006712 100644
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--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
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@@ -28,6 +28,7 @@ public class PacketPlayOutMapChunk extends Packet {
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this.d = chunkmap.c;
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this.c = chunkmap.b;
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+ chunk.world.spigotConfig.antiXrayInstance.obfuscateSync(chunk.locX, chunk.locZ, i, chunkmap.a, chunk.world); // Spigot
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try {
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this.buffer = chunkmap.a;
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diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
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index bf3a139..30bf8a7 100644
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--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
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+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
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@@ -26,6 +26,7 @@ public class PacketPlayOutMapChunkBulk extends Packet {
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}
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};
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// CraftBukkit end
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+ private World world; // Spigot
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public PacketPlayOutMapChunkBulk() {}
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@@ -44,6 +45,9 @@ public class PacketPlayOutMapChunkBulk extends Packet {
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Chunk chunk = (Chunk) list.get(k);
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ChunkMap chunkmap = PacketPlayOutMapChunk.a(chunk, true, '\uffff');
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+ // Spigot start
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+ world = chunk.world;
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+ /*
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if (buildBuffer.length < j + chunkmap.a.length) {
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byte[] abyte = new byte[j + chunkmap.a.length];
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@@ -52,6 +56,8 @@ public class PacketPlayOutMapChunkBulk extends Packet {
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}
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System.arraycopy(chunkmap.a, 0, buildBuffer, j, chunkmap.a.length);
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+ */
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+ // Spigot end
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j += chunkmap.a.length;
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this.a[k] = chunk.locX;
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this.b[k] = chunk.locZ;
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@@ -79,6 +85,22 @@ public class PacketPlayOutMapChunkBulk extends Packet {
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if (this.buffer != null) {
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return;
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}
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+ // Spigot start
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+ int finalBufferSize = 0;
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+ // Obfuscate all sections
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+ for (int i = 0; i < a.length; i++) {
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+ world.spigotConfig.antiXrayInstance.obfuscate(a[i], b[i], c[i], inflatedBuffers[i], world);
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+ finalBufferSize += inflatedBuffers[i].length;
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+ }
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+
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+ // Now it's time to efficiently copy the chunk to the build buffer
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+ buildBuffer = new byte[finalBufferSize];
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+ int bufferLocation = 0;
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+ for (int i = 0; i < a.length; i++) {
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+ System.arraycopy(inflatedBuffers[i], 0, buildBuffer, bufferLocation, inflatedBuffers[i].length);
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+ bufferLocation += inflatedBuffers[i].length;
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+ }
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+ // Spigot end
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Deflater deflater = localDeflater.get();
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deflater.reset();
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diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
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index 2db45ad..97fe53c 100644
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--- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
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+++ b/src/main/java/net/minecraft/server/PlayerInteractManager.java
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@@ -173,6 +173,7 @@ public class PlayerInteractManager {
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this.o = i1;
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}
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}
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+ world.spigotConfig.antiXrayInstance.updateNearbyBlocks(world, i, j, k); // Spigot
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}
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}
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index cbb4e77..106f27a 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -470,6 +470,7 @@ public abstract class World implements IBlockAccess {
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this.e(i, j + 1, k, block);
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this.e(i, j, k - 1, block);
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this.e(i, j, k + 1, block);
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+ spigotConfig.antiXrayInstance.updateNearbyBlocks(this, i, j, k); // Spigot
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}
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public void b(int i, int j, int k, Block block, int l) {
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diff --git a/src/main/java/org/spigotmc/AntiXray.java b/src/main/java/org/spigotmc/AntiXray.java
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new file mode 100644
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index 0000000..8e69bff
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--- /dev/null
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+++ b/src/main/java/org/spigotmc/AntiXray.java
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@@ -0,0 +1,212 @@
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+package org.spigotmc;
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+
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+import gnu.trove.set.TByteSet;
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+import gnu.trove.set.hash.TByteHashSet;
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+import net.minecraft.server.Block;
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+import net.minecraft.server.Blocks;
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+import net.minecraft.server.World;
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+
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+public class AntiXray
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+{
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+
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+ private static final CustomTimingsHandler update = new CustomTimingsHandler( "xray - update" );
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+ private static final CustomTimingsHandler obfuscate = new CustomTimingsHandler( "xray - obfuscate" );
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+ /*========================================================================*/
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+ // Used to keep track of which blocks to obfuscate
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+ private final boolean[] obfuscateBlocks = new boolean[ Short.MAX_VALUE ];
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+ // Used to select a random replacement ore
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+ private final byte[] replacementOres;
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+
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+ public AntiXray(SpigotWorldConfig config)
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+ {
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+ // Set all listed blocks as true to be obfuscated
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+ for ( int id : ( config.engineMode == 1 ) ? config.hiddenBlocks : config.replaceBlocks )
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+ {
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+ obfuscateBlocks[id] = true;
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+ }
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+
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+ // For every block
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+ TByteSet blocks = new TByteHashSet();
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+ for ( Integer i : config.hiddenBlocks )
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+ {
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+ Block block = Block.e( i );
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+ // Check it exists and is not a tile entity
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+ if ( block != null && !block.isTileEntity() )
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+ {
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+ // Add it to the set of replacement blocks
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+ blocks.add( (byte) (int) i );
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+ }
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+ }
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+ // Bake it to a flat array of replacements
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+ replacementOres = blocks.toArray();
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+ }
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+
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+ /**
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+ * Starts the timings handler, then updates all blocks within the set radius
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+ * of the given coordinate, revealing them if they are hidden ores.
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+ */
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+ public void updateNearbyBlocks(World world, int x, int y, int z)
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+ {
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+ if ( world.spigotConfig.antiXray )
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+ {
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+ update.startTiming();
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+ updateNearbyBlocks( world, x, y, z, 2, false ); // 2 is the radius, we shouldn't change it as that would make it exponentially slower
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+ update.stopTiming();
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+ }
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+ }
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+
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+ /**
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+ * Starts the timings handler, and then removes all non exposed ores from
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+ * the chunk buffer.
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+ */
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+ public void obfuscateSync(int chunkX, int chunkY, int bitmask, byte[] buffer, World world)
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+ {
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+ if ( world.spigotConfig.antiXray )
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+ {
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+ obfuscate.startTiming();
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+ obfuscate( chunkX, chunkY, bitmask, buffer, world );
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+ obfuscate.stopTiming();
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+ }
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+ }
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+
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+ /**
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+ * Removes all non exposed ores from the chunk buffer.
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+ */
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+ public void obfuscate(int chunkX, int chunkY, int bitmask, byte[] buffer, World world)
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+ {
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+ // If the world is marked as obfuscated
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+ if ( world.spigotConfig.antiXray )
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+ {
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+ // Initial radius to search around for air
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+ int initialRadius = 1;
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+ // Which block in the buffer we are looking at, anywhere from 0 to 16^4
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+ int index = 0;
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+ // The iterator marking which random ore we should use next
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+ int randomOre = 0;
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+
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+ // Chunk corner X and Z blocks
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+ int startX = chunkX << 4;
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+ int startZ = chunkY << 4;
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+
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+ // Chunks can have up to 16 sections
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+ for ( int i = 0; i < 16; i++ )
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+ {
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+ // If the bitmask indicates this chunk is sent...
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+ if ( ( bitmask & 1 << i ) != 0 )
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+ {
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+ // Work through all blocks in the chunk, y,z,x
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+ for ( int y = 0; y < 16; y++ )
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+ {
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+ for ( int z = 0; z < 16; z++ )
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+ {
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+ for ( int x = 0; x < 16; x++ )
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+ {
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+ // For some reason we can get too far ahead of ourselves (concurrent modification on bulk chunks?) so if we do, just abort and move on
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+ if ( index >= buffer.length )
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+ {
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+ index++;
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+ continue;
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+ }
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+ // Grab the block ID in the buffer.
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+ // TODO: extended IDs are not yet supported
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+ int blockId = buffer[index] & 0xFF;
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+ // Check if the block should be obfuscated
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+ if ( obfuscateBlocks[blockId] )
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+ {
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+ // The world isn't loaded, bail out
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+ if ( !isLoaded( world, startX + x, ( i << 4 ) + y, startZ + z, initialRadius ) )
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+ {
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+ index++;
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+ continue;
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+ }
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+ // On the otherhand, if radius is 0, or the nearby blocks are all non air, we can obfuscate
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+ if ( !hasTransparentBlockAdjacent( world, startX + x, ( i << 4 ) + y, startZ + z, initialRadius ) )
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+ {
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+ switch ( world.spigotConfig.engineMode )
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+ {
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+ case 1:
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+ // Replace with stone
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+ buffer[index] = 1;
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+ break;
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+ case 2:
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+ // Replace with random ore.
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+ if ( randomOre >= replacementOres.length )
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+ {
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+ randomOre = 0;
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+ }
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+ buffer[index] = replacementOres[randomOre++];
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+ break;
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+ }
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+ }
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+ }
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+
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+ index++;
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ private void updateNearbyBlocks(World world, int x, int y, int z, int radius, boolean updateSelf)
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+ {
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+ // If the block in question is loaded
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+ if ( world.isLoaded( x, y, z ) )
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+ {
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+ // Get block id
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+ Block block = world.getType(x, y, z);
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+
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+ // See if it needs update
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+ if ( updateSelf && obfuscateBlocks[Block.b(block)] )
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+ {
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+ // Send the update
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+ world.notify( x, y, z );
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+ }
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+
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+ // Check other blocks for updates
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+ if ( radius > 0 )
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+ {
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+ updateNearbyBlocks( world, x + 1, y, z, radius - 1, true );
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+ updateNearbyBlocks( world, x - 1, y, z, radius - 1, true );
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+ updateNearbyBlocks( world, x, y + 1, z, radius - 1, true );
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+ updateNearbyBlocks( world, x, y - 1, z, radius - 1, true );
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+ updateNearbyBlocks( world, x, y, z + 1, radius - 1, true );
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+ updateNearbyBlocks( world, x, y, z - 1, radius - 1, true );
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+ }
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+ }
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+ }
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+
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+ private static boolean isLoaded(World world, int x, int y, int z, int radius)
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+ {
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+ return world.isLoaded( x, y, z )
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+ && ( radius == 0 ||
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+ ( isLoaded( world, x + 1, y, z, radius - 1 )
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+ && isLoaded( world, x - 1, y, z, radius - 1 )
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+ && isLoaded( world, x, y + 1, z, radius - 1 )
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+ && isLoaded( world, x, y - 1, z, radius - 1 )
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+ && isLoaded( world, x, y, z + 1, radius - 1 )
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+ && isLoaded( world, x, y, z - 1, radius - 1 ) ) );
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+ }
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+
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+ private static boolean hasTransparentBlockAdjacent(World world, int x, int y, int z, int radius)
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+ {
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+ return !isSolidBlock(world.getType(x, y, z)) /* isSolidBlock */
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+ || ( radius > 0
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+ && ( hasTransparentBlockAdjacent( world, x + 1, y, z, radius - 1 )
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+ || hasTransparentBlockAdjacent( world, x - 1, y, z, radius - 1 )
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+ || hasTransparentBlockAdjacent( world, x, y + 1, z, radius - 1 )
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+ || hasTransparentBlockAdjacent( world, x, y - 1, z, radius - 1 )
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+ || hasTransparentBlockAdjacent( world, x, y, z + 1, radius - 1 )
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+ || hasTransparentBlockAdjacent( world, x, y, z - 1, radius - 1 ) ) );
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+ }
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+
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+ private static boolean isSolidBlock(Block block) {
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+ // Mob spawners are treated as solid blocks as far as the
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+ // game is concerned for lighting and other tasks but for
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+ // rendering they can be seen through therefor we special
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+ // case them so that the antixray doesn't show the fake
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+ // blocks around them.
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+ return block.r() && block != Blocks.MOB_SPAWNER;
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+ }
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+}
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diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
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index 2ec047c..2c0501d 100644
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--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
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+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
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@@ -1,5 +1,6 @@
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package org.spigotmc;
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+import java.util.Arrays;
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import java.util.List;
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import org.bukkit.Bukkit;
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import org.bukkit.configuration.file.YamlConfiguration;
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@@ -210,4 +211,36 @@ public class SpigotWorldConfig
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arrowDespawnRate = getInt( "arrow-despawn-rate", 1200 );
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log( "Arrow Despawn Rate: " + arrowDespawnRate );
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}
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+
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+ public boolean antiXray;
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+ public int engineMode;
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+ public List<Integer> hiddenBlocks;
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+ public List<Integer> replaceBlocks;
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+ public AntiXray antiXrayInstance;
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+ private void antiXray()
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+ {
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+ antiXray = getBoolean( "anti-xray.enabled", true );
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+ log( "Anti X-Ray: " + antiXray );
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+
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+ engineMode = getInt( "anti-xray.engine-mode", 1 );
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+ log( "\tEngine Mode: " + engineMode );
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+
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+ if ( SpigotConfig.version < 5 )
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+ {
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+ set( "anti-xray.blocks", null );
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+ }
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+ hiddenBlocks = getList( "anti-xray.hide-blocks", Arrays.asList( new Integer[]
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+ {
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+ 14, 15, 16, 21, 48, 49, 54, 56, 73, 74, 82, 129, 130
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+ } ) );
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+ log( "\tHidden Blocks: " + hiddenBlocks );
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+
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+ replaceBlocks = getList( "anti-xray.replace-blocks", Arrays.asList( new Integer[]
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+ {
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+ 1, 5
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+ } ) );
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+ log( "\tReplace Blocks: " + replaceBlocks );
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+
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+ antiXrayInstance = new AntiXray( this );
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+ }
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}
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--
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1.8.5.2.msysgit.0
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