Paper/Spigot-Server-Patches/0127-Configurable-Cartographer-Treasure-Maps.patch
Daniel Ennis c97ce029e9
1.16.2 Release (#4123)
PaperMC believes that 1.16.2 is now ready for general release as we fixed the main issue plagueing the 1.16.x release, the MapLike data conversion issues.

Until now, it was not safe for a server to convert a world to 1.16.2 without data conversion issues around villages and potentially other things. If you did, those MapLike errors meant something went wrong.

This is now resolved.

Big thanks to all those that helped, notably @BillyGalbreath and @Proximyst who did large parts of the update process with me.

Please as always, backup your worlds and test before updating to 1.16.2!

If you update to 1.16.2, there is no going back to an older build than this.

---------------------------------

Co-authored-by: William Blake Galbreath <Blake.Galbreath@GMail.com>
Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
Co-authored-by: krolik-exe <69214078+krolik-exe@users.noreply.github.com>
Co-authored-by: BillyGalbreath <BillyGalbreath@users.noreply.github.com>
Co-authored-by: stonar96 <minecraft.stonar96@gmail.com>
Co-authored-by: Shane Freeder <theboyetronic@gmail.com>
Co-authored-by: Jason <jasonpenilla2@me.com>
Co-authored-by: kashike <kashike@vq.lc>
Co-authored-by: Aurora <21148213+aurorasmiles@users.noreply.github.com>
Co-authored-by: KennyTV <kennytv@t-online.de>
Co-authored-by: commandblockguy <commandblockguy1@gmail.com>
Co-authored-by: DigitalRegent <misterwener@gmail.com>
Co-authored-by: ishland <ishlandmc@yeah.net>
2020-08-24 22:40:19 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 20 Dec 2016 15:26:27 -0500
Subject: [PATCH] Configurable Cartographer Treasure Maps
Allow configuring for cartographers to return the same map location
Also allow turning off treasure maps all together as they can eat up Map ID's
which are limited in quantity.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index e43aee3757b6765d898b50ebfff1a28071638558..255b4081314162cbe344b008158c6f4584795fb8 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -307,4 +307,14 @@ public class PaperWorldConfig {
Bukkit.getLogger().warning("Spawn Egg and Armor Stand NBT filtering disabled, this is a potential security risk");
}
}
+
+ public boolean enableTreasureMaps = true;
+ public boolean treasureMapsAlreadyDiscovered = false;
+ private void treasureMapsAlreadyDiscovered() {
+ enableTreasureMaps = getBoolean("enable-treasure-maps", true);
+ treasureMapsAlreadyDiscovered = getBoolean("treasure-maps-return-already-discovered", false);
+ if (treasureMapsAlreadyDiscovered) {
+ log("Treasure Maps will return already discovered locations");
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/LootItemFunctionExplorationMap.java b/src/main/java/net/minecraft/server/LootItemFunctionExplorationMap.java
index 37ebc9f511479778c131e02b6852b27f63e75bdd..6000c7c2fc68427dea343115183b8faacc985514 100644
--- a/src/main/java/net/minecraft/server/LootItemFunctionExplorationMap.java
+++ b/src/main/java/net/minecraft/server/LootItemFunctionExplorationMap.java
@@ -48,6 +48,15 @@ public class LootItemFunctionExplorationMap extends LootItemFunctionConditional
if (vec3d != null) {
WorldServer worldserver = loottableinfo.getWorld();
+ // Paper start
+ if (!worldserver.paperConfig.enableTreasureMaps) {
+ /*
+ * NOTE: I fear users will just get a plain map as their "treasure"
+ * This is preferable to disrespecting the config.
+ */
+ return itemstack;
+ }
+ // Paper end
BlockPosition blockposition = worldserver.a(this.e, new BlockPosition(vec3d), this.h, this.i);
if (blockposition != null) {
diff --git a/src/main/java/net/minecraft/server/VillagerTrades.java b/src/main/java/net/minecraft/server/VillagerTrades.java
index 4f7944d7fdaf02bae40ee71a18bd1c9bb4eb891b..49f9ae86512ad679aaa71992de2284e024591101 100644
--- a/src/main/java/net/minecraft/server/VillagerTrades.java
+++ b/src/main/java/net/minecraft/server/VillagerTrades.java
@@ -91,7 +91,8 @@ public class VillagerTrades {
return null;
} else {
WorldServer worldserver = (WorldServer) entity.world;
- BlockPosition blockposition = worldserver.a(this.b, entity.getChunkCoordinates(), 100, true);
+ if (!worldserver.paperConfig.enableTreasureMaps) return null; // Paper
+ BlockPosition blockposition = worldserver.a(this.b, entity.getChunkCoordinates(), 100, !worldserver.paperConfig.treasureMapsAlreadyDiscovered); // Paper
if (blockposition != null) {
ItemStack itemstack = ItemWorldMap.createFilledMapView(worldserver, blockposition.getX(), blockposition.getZ(), (byte) 2, true, true);