Paper/Spigot-Server-Patches/0067-Add-World-Util-Methods.patch
Spottedleaf 5c7081fecc Update upstream & fix some chunk related issues (#2177)
* Updated Upstream (Bukkit/CraftBukkit)

Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
45690fe9 SPIGOT-5047: Correct slot types for 1.14 inventories

CraftBukkit Changes:
4090d01f SPIGOT-5047: Correct slot types for 1.14 inventories
e8c08362 SPIGOT-5046: World#getLoadedChunks returning inaccessible cached chunks.
d445af3b SPIGOT-5067: Add item meta for 1.14 spawn eggs

* Bring Chunk load checks in-line with spigot

As of the last upstream merge spigot now checks ticket level status
when returning loaded chunks for a world from api. Now our checks
will respect that decision.

* Fix spawn ticket levels

Vanilla would keep the inner chunks of spawn available for ticking,
however my changes made all chunks non-ticking. Resolve by changing
ticket levels for spawn chunks inside the border to respect this
behavior.


* Make World#getChunkIfLoadedImmediately return only entity ticking chunks

Mojang appears to be using chunks with level > 33 (non-ticking chunks)
as cached chunks and not actually loaded chunks.

* Bring all loaded checks in line with spigot

Loaded chunks must be at least border  chunks, or level <= 33
2019-06-14 03:27:40 +01:00

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Diff

From ecf07402a6cf461d882e54488f70b7c58546d395 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 20:16:03 -0400
Subject: [PATCH] Add World Util Methods
Methods that can be used for other patches to help improve logic.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 9b65972569..fba176745f 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -371,6 +371,7 @@ public class Chunk implements IChunkAccess {
return this.world.getChunkProvider().getLightEngine();
}
+ public final int getLightSubtracted(BlockPosition blockposition, int i) { return this.a(blockposition, i); } // Paper - OBFHELPER
public int a(BlockPosition blockposition, int i) {
return this.a(blockposition, i, this.world.getWorldProvider().g());
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index b4ed1e4435..f06b7047a0 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -46,7 +46,7 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
protected final java.util.Set<TileEntity> tileEntityListUnload = com.google.common.collect.Sets.newHashSet(); // Paper
private final long b = 16777215L;
private final Thread serverThread;
- private int d;
+ private int d; public int getSkylightSubtracted() { return this.d; } public void setSkylightSubtracted(int value) { this.d = value;} // Paper - OBFHELPER
protected int j = (new Random()).nextInt();
protected final int k = 1013904223;
protected float lastRainLevel;
@@ -208,6 +208,54 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
return i < 0 || i >= 256;
}
+ // Paper start
+ public boolean isLoadedAndInBounds(BlockPosition blockposition) {
+ return getWorldBorder().isInBounds(blockposition) && getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
+ }
+ public Chunk getChunkIfLoaded(BlockPosition blockposition) {
+ return getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ }
+ // test if meets light level, return faster
+ // logic copied from below
+ public boolean isLightLevel(BlockPosition blockposition, int level) {
+ return this.getLightLevel(blockposition) >= level; // TODO
+// if (isValidLocation(blockposition)) {
+// if (this.getType(blockposition).c(this, blockposition)) { // use neighbour brightness (where did this go)
+// int sky = getSkylightSubtracted();
+// if (this.getLightLevel(blockposition.up(), sky) >= level) {
+// return true;
+// }
+// if (this.getLightLevel(blockposition.east(), sky) >= level) {
+// return true;
+// }
+// if (this.getLightLevel(blockposition.west(), sky) >= level) {
+// return true;
+// }
+// if (this.getLightLevel(blockposition.south(), sky) >= level) {
+// return true;
+// }
+// if (this.getLightLevel(blockposition.north(), sky) >= level) {
+// return true;
+// }
+// return false;
+// } else {
+// if (blockposition.getY() >= 256) {
+// blockposition = new BlockPosition(blockposition.getX(), 255, blockposition.getZ());
+// }
+//
+// Chunk chunk = this.getChunkAtWorldCoords(blockposition);
+// return chunk.getLightSubtracted(blockposition, this.getSkylightSubtracted()) >= level;
+// }
+// } else {
+// return true;
+// }
+ }
+ // reduces need to do isLoaded before getType
+ public IBlockData getTypeIfLoadedAndInBounds(BlockPosition blockposition) {
+ return getWorldBorder().isInBounds(blockposition) ? getTypeIfLoaded(blockposition) : null;
+ }
+ // Paper end
+
public Chunk getChunkAtWorldCoords(BlockPosition blockposition) {
return this.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4);
}
diff --git a/src/main/java/net/minecraft/server/WorldBorder.java b/src/main/java/net/minecraft/server/WorldBorder.java
index 94d1c2be11..77b805f3ae 100644
--- a/src/main/java/net/minecraft/server/WorldBorder.java
+++ b/src/main/java/net/minecraft/server/WorldBorder.java
@@ -19,6 +19,7 @@ public class WorldBorder {
public WorldBorder() {}
+ public final boolean isInBounds(BlockPosition blockposition) { return this.a(blockposition); } // Paper - OBFHELPER
public boolean a(BlockPosition blockposition) {
return (double) (blockposition.getX() + 1) > this.c() && (double) blockposition.getX() < this.e() && (double) (blockposition.getZ() + 1) > this.d() && (double) blockposition.getZ() < this.f();
}
--
2.21.0