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From 45d3e0ca5f29f36d42f5accd1002ef28e8154f4c Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 20 Dec 2016 15:15:11 -0500
Subject: [PATCH] Bound Treasure Maps to World Border
Make it so a Treasure Map does not target a structure outside of the
World Border, where players are not even able to reach.
This also would help the case where a players close to the border, and one
that is outside happens to be closer, but unreachable, yet another reachable
one is in border that would of been missed.
diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
index 9c1605b14..77236760f 100644
--- a/src/main/java/net/minecraft/server/StructureGenerator.java
+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
@@ -233,6 +233,9 @@ public abstract class StructureGenerator extends WorldGenBase {
WorldGenBase.a(world.getSeed(), random, l2, i3);
random.nextInt();
+
+ if (!world.getWorldBorder().isChunkInBounds(l2, i3)) { continue; } // Paper
+
if (structuregenerator.a(l2, i3)) {
if (!flag1 || !world.b(l2, i3)) {
return new BlockPosition((l2 << 4) + 8, 64, (i3 << 4) + 8);
diff --git a/src/main/java/net/minecraft/server/WorldBorder.java b/src/main/java/net/minecraft/server/WorldBorder.java
index 632eb1c9d..1bb172bbf 100644
--- a/src/main/java/net/minecraft/server/WorldBorder.java
+++ b/src/main/java/net/minecraft/server/WorldBorder.java
@@ -33,6 +33,18 @@ public class WorldBorder {
return (double) (blockposition.getX() + 1) > this.b() && (double) blockposition.getX() < this.d() && (double) (blockposition.getZ() + 1) > this.c() && (double) blockposition.getZ() < this.e();
}
+ // Paper start
+ private final BlockPosition.MutableBlockPosition mutPos = new BlockPosition.MutableBlockPosition();
+ public boolean isBlockInBounds(int chunkX, int chunkZ) {
+ mutPos.setValues(chunkX, 64, chunkZ);
+ return isInBounds(mutPos);
+ }
+ public boolean isChunkInBounds(int chunkX, int chunkZ) {
+ mutPos.setValues(((chunkX << 4) + 15), 64, (chunkZ << 4) + 15);
+ return isInBounds(mutPos);
+ }
+ // Paper end
+
public boolean isInBounds(ChunkCoordIntPair chunkcoordintpair) {
return (double) chunkcoordintpair.e() > this.b() && (double) chunkcoordintpair.c() < this.d() && (double) chunkcoordintpair.f() > this.c() && (double) chunkcoordintpair.d() < this.e();
}
--
2.12.2
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