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From 87bc4fe3532a93119223040e6cc70d3fc4f93303 Mon Sep 17 00:00:00 2001
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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 c4103680d4..9433d04f43 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -388,6 +388,7 @@ public class Chunk implements IChunkAccess {
return this.world.getChunkProvider().getLightEngine();
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}
+ 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());
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}
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diff --git a/src/main/java/net/minecraft/server/IWorldReader.java b/src/main/java/net/minecraft/server/IWorldReader.java
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index bac6c9d65b..0930552b1f 100644
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--- a/src/main/java/net/minecraft/server/IWorldReader.java
+++ b/src/main/java/net/minecraft/server/IWorldReader.java
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@@ -36,6 +36,22 @@ public interface IWorldReader extends IIBlockAccess {
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}
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int getLightLevel(BlockPosition blockposition, int i);
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+ // Paper start
+ default @Nullable
+ IBlockData getTypeIfLoaded(BlockPosition var1) {
+ return isLoaded(var1) ? getType(var1) : null;
+ }
+
+ default @Nullable
+ Block getBlockIfLoaded(BlockPosition var1) {
+ return isLoaded(var1) ? getType(var1).getBlock() : null;
+ }
+
+ default @Nullable
+ Material getMaterialIfLoaded(BlockPosition var1) {
+ return isLoaded(var1) ? getType(var1).getMaterial() : null;
+ }
+ // Paper end
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@Nullable
IChunkAccess getChunkAt(int i, int j, ChunkStatus chunkstatus, boolean flag);
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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 55e8c7c7d4..e8831e2a40 100644
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--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
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@@ -49,7 +49,7 @@ 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 c;
- 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 l;
@@ -211,6 +211,83 @@ public abstract class World implements IIBlockAccess, GeneratorAccess, AutoClose
return i < 0 || i >= 256;
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}
+ // Paper start
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+ public boolean isLoadedAndInBounds(BlockPosition blockposition) {
+ return getWorldBorder().isInBounds(blockposition) && getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4) != null;
+ }
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+ public Chunk getChunkIfLoaded(BlockPosition blockposition) {
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+ return getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
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+ }
+ // test if meets light level, return faster
+ // logic copied from below
+ public boolean isLightLevel(BlockPosition blockposition, int level) {
+ if (isValidLocation(blockposition)) {
+ if (this.getType(blockposition).c(this, blockposition)) {
+ 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
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+ public IBlockData getTypeIfLoadedAndInBounds(BlockPosition blockposition) {
+ return getWorldBorder().isInBounds(blockposition) ? getTypeIfLoaded(blockposition) : null;
+ }
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+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ // CraftBukkit start - tree generation
+ if (captureTreeGeneration) {
+ for (CraftBlockState previous : capturedBlockStates) {
+ if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
+ return previous.getHandle();
+ }
+ }
+ }
+ // CraftBukkit end
+ Chunk chunk = this.getChunkIfLoaded(blockposition);
+ if (chunk != null) {
+ return isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData();
+ }
+ return null;
+ }
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+ public Block getBlockIfLoaded(BlockPosition blockposition) {
+ IBlockData type = getTypeIfLoaded(blockposition);
+ if (type == null) {
+ return null;
+ }
+ return type.getBlock();
+ }
+ public Material getMaterialIfLoaded(BlockPosition blockposition) {
+ IBlockData type = getTypeIfLoaded(blockposition);
+ if (type == null) {
+ return null;
+ }
+ return type.getBlock().material;
+ }
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+ // Paper end
+
public Chunk getChunkAtWorldCoords(BlockPosition blockposition) {
return this.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4);
}
--
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2.21.0
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