Paper/Spigot-Server-Patches/0066-Add-World-Util-Methods.patch

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2019-07-20 12:01:24 +08:00
From b049e61067c54dcf37d13269adc3c886c08ed1b7 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
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index 6c13ae3bae..77d6d5e6eb 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 {
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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) {
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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
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index 6e7f72a1a4..b1a3717d30 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
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@@ -46,7 +46,7 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
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protected final java.util.Set<TileEntity> tileEntityListUnload = com.google.common.collect.Sets.newHashSet(); // Paper
private final long b = 16777215L;
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private final Thread serverThread;
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- private int u;
+ private int u; public int getSkylightSubtracted() { return this.u; } public void setSkylightSubtracted(int value) { this.u = value;} // Paper - OBFHELPER
protected int i = (new Random()).nextInt();
protected final int j = 1013904223;
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protected float lastRainLevel;
@@ -208,6 +208,54 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
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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) {
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+ 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);
}
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diff --git a/src/main/java/net/minecraft/server/WorldBorder.java b/src/main/java/net/minecraft/server/WorldBorder.java
index 4cf31207e0..1388610a7b 100644
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--- 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();
}
--
2.22.0