Merge branch 'master' into pre/1.13

Spigot-API-Patches/0142-isChunkGenerated-API.patch

@@ -0,0 +1,69 @@
+From 1d78f754a14a5159a408adc552b3f04f2ccef37c Mon Sep 17 00:00:00 2001
+From: cswhite2000 <18whitechristop@gmail.com>
+Date: Tue, 21 Aug 2018 19:39:46 -0700
+Subject: [PATCH] isChunkGenerated API
+
+Resolves #1329
+
+diff --git a/src/main/java/org/bukkit/Location.java b/src/main/java/org/bukkit/Location.java
+index 7e1ee875..9457832b 100644
+--- a/src/main/java/org/bukkit/Location.java
++++ b/src/main/java/org/bukkit/Location.java
+@@ -9,6 +9,7 @@ import org.bukkit.util.NumberConversions;
+ import org.bukkit.util.Vector;
+ 
+ // Paper start
++import com.google.common.base.Preconditions;
+ import java.util.Collection;
+ import java.util.function.Predicate;
+ import org.bukkit.entity.Entity;
+@@ -502,6 +503,15 @@ public class Location implements Cloneable, ConfigurationSerializable {
+     public boolean isChunkLoaded() { return world.isChunkLoaded(locToBlock(x) >> 4, locToBlock(z) >> 4); } // Paper
+ 
+     // Paper start
++    /**
++     * Checks if a {@link Chunk} has been generated at this location.
++     *
++     * @return true if a chunk has been generated at this location
++     */
++    public boolean isGenerated() {
++        Preconditions.checkNotNull(world, "Location has no world!");
++        return world.isChunkGenerated(locToBlock(x) >> 4, locToBlock(z) >> 4);
++    }
+ 
+     /**
+      * Sets the position of this Location and returns itself
+diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
+index 3170a074..4fd4f997 100644
+--- a/src/main/java/org/bukkit/World.java
++++ b/src/main/java/org/bukkit/World.java
+@@ -181,6 +181,26 @@ public interface World extends PluginMessageRecipient, Metadatable {
+     public default Chunk getChunkAt(long chunkKey) {
+         return getChunkAt((int) chunkKey, (int) (chunkKey >> 32));
+     }
++
++    /**
++     * Checks if a {@link Chunk} has been generated at the specified chunk key,
++     * which is the X and Z packed into a long.
++     *
++     * @param chunkKey The Chunk Key to look up the chunk by
++     * @return true if the chunk has been generated, otherwise false
++     */
++    public default boolean isChunkGenerated(long chunkKey) {
++        return isChunkGenerated((int) chunkKey, (int) (chunkKey >> 32));
++    }
++
++    /**
++     * Checks if a {@link Chunk} has been generated at the given coordinates.
++     *
++     * @param x X-coordinate of the chunk
++     * @param z Z-coordinate of the chunk
++     * @return true if the chunk has been generated, otherwise false
++     */
++    public boolean isChunkGenerated(int x, int z);
+     // Paper end
+ 
+     /**
+-- 
+2.18.0
+

Spigot-API-Patches/0143-Add-source-block-to-BlockPhysicsEvent.patch

@@ -0,0 +1,48 @@
+From ec28d0096abe5a6c16d25d2853b4e488f0290f53 Mon Sep 17 00:00:00 2001
+From: Sotr <i@omc.hk>
+Date: Thu, 23 Aug 2018 16:14:25 +0800
+Subject: [PATCH] Add source block to BlockPhysicsEvent
+
+
+diff --git a/src/main/java/org/bukkit/event/block/BlockPhysicsEvent.java b/src/main/java/org/bukkit/event/block/BlockPhysicsEvent.java
+index 5e47eabe..9d9e4712 100644
+--- a/src/main/java/org/bukkit/event/block/BlockPhysicsEvent.java
++++ b/src/main/java/org/bukkit/event/block/BlockPhysicsEvent.java
+@@ -29,10 +29,34 @@ public class BlockPhysicsEvent extends BlockEvent implements Cancellable {
+     private static final HandlerList handlers = new HandlerList();
+     private final BlockData changed;
+     private boolean cancel = false;
++    // Paper start - add source block
++    private int sourceX;
++    private int sourceY;
++    private int sourceZ;
++    private Block sourceBlock;
++
++    public BlockPhysicsEvent(final Block block, final BlockData changed, final int sourceX, final int sourceY, final int sourceZ) {
++        this(block, changed);
++        this.sourceX = sourceX;
++        this.sourceY = sourceY;
++        this.sourceZ = sourceZ;
++        this.sourceBlock = null;
++    }
++
++    /**
++     * Gets the source block, causing this event
++     *
++     * @return Source block
++     */
++    public Block getSourceBlock() {
++        return sourceBlock == null ? (sourceBlock = block.getWorld().getBlockAt(sourceX, sourceY, sourceZ)) : sourceBlock;
++    }
++    // Paper end
+ 
+     public BlockPhysicsEvent(final Block block, final BlockData changed) {
+         super(block);
+         this.changed = changed;
++        this.sourceBlock = block; // Paper - add source block
+     }
+ 
+     /**
+-- 
+2.18.0
+

Spigot-Server-Patches/0351-isChunkGenerated-API.patch

@@ -0,0 +1,44 @@
+From cca0a12cca8a970b2a885d93e976d9159b2072ad Mon Sep 17 00:00:00 2001
+From: cswhite2000 <18whitechristop@gmail.com>
+Date: Tue, 21 Aug 2018 19:44:10 -0700
+Subject: [PATCH] isChunkGenerated API
+
+Resolves #1329
+
+diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
+index 0e0c7b1ab..cb4a2a0b9 100644
+--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
++++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
+@@ -74,6 +74,12 @@ public class ChunkProviderServer implements IChunkProvider {
+ 
+     }
+ 
++    // Paper start
++    public boolean isChunkGenerated(int x, int z) {
++        return this.chunks.containsKey(ChunkCoordIntPair.asLong(x, z)) || this.chunkLoader.chunkExists(x, z);
++    }
++    // Paper end
++
+     @Nullable
+     public Chunk getLoadedChunkAt(int i, int j) {
+         long k = ChunkCoordIntPair.a(i, j);
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+index aa0b1f5fa..9a78fa687 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+@@ -612,6 +612,12 @@ public class CraftWorld implements World {
+         return getChunkAt(location.getBlockX() >> 4, location.getBlockZ() >> 4);
+     }
+ 
++    // Paper start
++    public boolean isChunkGenerated(int x, int z) {
++        return this.getHandle().getChunkProviderServer().isChunkGenerated(x, z);
++    }
++    // Paper end
++
+     public ChunkGenerator getGenerator() {
+         return generator;
+     }
+-- 
+2.18.0
+

Spigot-Server-Patches/0352-Add-source-block-to-BlockPhysicsEvent.patch

@@ -0,0 +1,22 @@
+From 33452d6bc4fe6ab71a2340e3d370af273de30a33 Mon Sep 17 00:00:00 2001
+From: Sotr <i@omc.hk>
+Date: Thu, 23 Aug 2018 16:14:12 +0800
+Subject: [PATCH] Add source block to BlockPhysicsEvent
+
+
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index 16d0c0d45..a4d9f0d5f 100644
+--- a/src/main/java/net/minecraft/server/World.java
++++ b/src/main/java/net/minecraft/server/World.java
+@@ -603,7 +603,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
+                 // CraftBukkit start
+                 CraftWorld world = ((WorldServer) this).getWorld();
+                 if (world != null && !((WorldServer)this).stopPhysicsEvent) { // Paper
+-                    BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
++                    BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata), blockposition1.getX(), blockposition1.getY(), blockposition1.getZ()); // Paper - add source block
+                     this.getServer().getPluginManager().callEvent(event);
+ 
+                     if (event.isCancelled()) {
+-- 
+2.18.0
+

scripts/decompile.sh

@@ -34,9 +34,10 @@ fi
 # set a symlink to current
 currentlink="$workdir/Minecraft/current"
 if ([ ! -e "$currentlink" ] || [ -L "$currentlink" ]) && [ "$windows" == "false" ]; then
+	set +e
 	echo "Pointing $currentlink to $minecraftversion"
-	rm -rf "$currentlink"
-	ln -sfn "$minecraftversion" "$currentlink"
+	rm -rf "$currentlink" || true
+	ln -sfn "$minecraftversion" "$currentlink" || echo "Failed to set current symlink"
 fi
 
 )