Paper/patches/server/0117-Bound-Treasure-Maps-to-World-Border.patch

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2021-06-11 14:02:28 +02:00
From 0000000000000000000000000000000000000000 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/world/level/border/WorldBorder.java b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
index 02b10be4878b871742efb0f65980d9672f32b388..4a61153eaf9cf4c8aa532f770c0e449325448107 100644
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--- a/src/main/java/net/minecraft/world/level/border/WorldBorder.java
+++ b/src/main/java/net/minecraft/world/level/border/WorldBorder.java
@@ -37,6 +37,18 @@ public class WorldBorder {
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return (double) (pos.getX() + 1) > this.getMinX() && (double) pos.getX() < this.getMaxX() && (double) (pos.getZ() + 1) > this.getMinZ() && (double) pos.getZ() < this.getMaxZ();
}
+ // Paper start
+ private final BlockPos.MutableBlockPos mutPos = new BlockPos.MutableBlockPos();
+ public boolean isBlockInBounds(int chunkX, int chunkZ) {
+ this.mutPos.setValues(chunkX, 64, chunkZ);
+ return this.isInBounds(this.mutPos);
+ }
+ public boolean isChunkInBounds(int chunkX, int chunkZ) {
+ this.mutPos.setValues(((chunkX << 4) + 15), 64, (chunkZ << 4) + 15);
+ return this.isInBounds(this.mutPos);
+ }
+ // Paper end
+
public boolean isWithinBounds(ChunkPos pos) {
return (double) pos.getMaxBlockX() > this.getMinX() && (double) pos.getMinBlockX() < this.getMaxX() && (double) pos.getMaxBlockZ() > this.getMinZ() && (double) pos.getMinBlockZ() < this.getMaxZ();
}
diff --git a/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
index a66a02d2d1294060048c3c2b2219af87cdb13060..3878a7f6402a1dff1e019e16dd8772ec7303ebe7 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
@@ -168,6 +168,7 @@ public abstract class StructureFeature<C extends FeatureConfiguration> {
int o = j + i * m;
int p = k + i * n;
ChunkPos chunkPos = this.getPotentialFeatureChunk(config, worldSeed, worldgenRandom, o, p);
+ if (!world.getWorldBorder().isChunkInBounds(chunkPos.x, chunkPos.z)) { continue; } // Paper
boolean bl3 = world.getBiomeManager().getPrimaryBiomeAtChunk(chunkPos).getGenerationSettings().isValidStart(this);
if (bl3) {
ChunkAccess chunkAccess = world.getChunk(chunkPos.x, chunkPos.z, ChunkStatus.STRUCTURE_STARTS);