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From fbc5aa049c925955355972e08ce896e10c5b4d3e Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 4 Jul 2018 15:22:06 -0400
Subject: [PATCH] Configurable Bed Search Radius
Allows you to increase how far to check for a safe place to respawn
a player near their bed, allowing a better chance to respawn the
player at their bed should it of became obstructed.
Defaults to vanilla 1.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index aa2be2ed..f5b2e88f 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -452,4 +452,15 @@ public class PaperWorldConfig {
private void scanForLegacyEnderDragon() {
scanForLegacyEnderDragon = getBoolean("game-mechanics.scan-for-legacy-ender-dragon", true);
}
+
+ public int bedSearchRadius = 1;
+ private void bedSearchRadius() {
+ bedSearchRadius = getInt("bed-search-radius", 1);
+ if (bedSearchRadius < 1) {
+ bedSearchRadius = 1;
+ }
+ if (bedSearchRadius > 1) {
+ log("Bed Search Radius: " + bedSearchRadius);
+ }
+ }
}
diff --git a/src/main/java/net/minecraft/server/BlockBed.java b/src/main/java/net/minecraft/server/BlockBed.java
index 06f62700..0ab2112c 100644
--- a/src/main/java/net/minecraft/server/BlockBed.java
+++ b/src/main/java/net/minecraft/server/BlockBed.java
@@ -187,6 +187,10 @@ public class BlockBed extends BlockFacingHorizontal implements ITileEntity {
@Nullable
public static BlockPosition a(IBlockAccess iblockaccess, BlockPosition blockposition, int i) {
EnumDirection enumdirection = (EnumDirection) iblockaccess.getType(blockposition).get(BlockBed.FACING);
+ // Paper start - replace whole method
+ return findSafePosition((World)iblockaccess, enumdirection, blockposition);
+ }
+ /* // Paper comment out
int j = blockposition.getX();
int k = blockposition.getY();
int l = blockposition.getZ();
@@ -212,9 +216,106 @@ public class BlockBed extends BlockFacingHorizontal implements ITileEntity {
}
}
+ return null;
+ }*/ // Paper comment out
+
+ private static BlockPosition findSafePosition(World world, EnumDirection updirection, BlockPosition blockposition){
+ int radius = world.paperConfig.bedSearchRadius;
+ double angle = Math.PI / 2;
+ int tmpX = (int)(updirection.getAdjacentX() * Math.cos(angle) - updirection.getAdjacentZ() * Math.sin(angle));
+ int tmpZ = (int)(updirection.getAdjacentX() * Math.sin(angle) + updirection.getAdjacentZ() * Math.cos(angle));
+
+ EnumDirection rightDirection = EnumDirection.a(tmpX, 0, tmpZ);
+ EnumDirection downDirection = updirection.opposite();
+ EnumDirection leftDirection = rightDirection.opposite();
+
+ EnumDirection[] corePositionOutDirection = new EnumDirection[6];
+ corePositionOutDirection[0] = updirection;
+ corePositionOutDirection[1] = leftDirection;
+ corePositionOutDirection[2] = leftDirection;
+ corePositionOutDirection[3] = downDirection;
+ corePositionOutDirection[4] = rightDirection;
+ corePositionOutDirection[5] = rightDirection;
+
+ BlockPosition[] corePosition = new BlockPosition[6];
+ corePosition[0] = blockposition.add(updirection.getAdjacentX(), 0, updirection.getAdjacentZ());
+ corePosition[1] = blockposition.add(leftDirection.getAdjacentX(), 0, leftDirection.getAdjacentZ());
+ corePosition[2] = corePosition[1].add(downDirection.getAdjacentX(), 0, downDirection.getAdjacentZ());
+ corePosition[3] = blockposition.add(2 * downDirection.getAdjacentX(), 0, 2 * downDirection.getAdjacentZ());
+ corePosition[5] = blockposition.add(rightDirection.getAdjacentX(), 0, rightDirection.getAdjacentZ());
+ corePosition[4] = corePosition[5].add(downDirection.getAdjacentX(), 0, downDirection.getAdjacentZ());
+
+ BlockPosition[] tmpPosition = new BlockPosition[8];
+ EnumDirection[] tmpPositionDirection = new EnumDirection[8];
+ tmpPositionDirection[0] = rightDirection;
+ tmpPositionDirection[1] = leftDirection;
+ tmpPositionDirection[2] = updirection;
+ tmpPositionDirection[3] = downDirection;
+ tmpPositionDirection[4] = leftDirection;
+ tmpPositionDirection[5] = rightDirection;
+ tmpPositionDirection[6] = downDirection;
+ tmpPositionDirection[7] = updirection;
+
+ BlockPosition pos;
+ boolean foundPosition;
+ for (int r = 1; r <= radius; r++) {
+ int h = 0;
+ while (h <= 1) {
+ int numIterated = 0;
+ for (int index = (int)(Math.random() * corePosition.length); numIterated < corePosition.length; index = (index+1) % corePosition.length) {
+ numIterated++;
+
+ pos = corePosition[index].add(0, h, 0);
+ foundPosition = isSafeRespawn(world, pos);
+ if (foundPosition) {
+ return pos;
+ }
+ }
+ tmpPosition[0] = corePosition[0].add(0, h, 0);
+ tmpPosition[1] = corePosition[0].add(0, h, 0);
+ tmpPosition[2] = corePosition[1].add(0, h, 0);
+ tmpPosition[3] = corePosition[2].add(0, h, 0);
+ tmpPosition[4] = corePosition[3].add(0, h, 0);
+ tmpPosition[5] = corePosition[3].add(0, h, 0);
+ tmpPosition[6] = corePosition[4].add(0, h, 0);
+ tmpPosition[7] = corePosition[5].add(0, h, 0);
+ for (int rr = 1; rr <= r; rr++){
+ numIterated = 0;
+ for (int index = (int)(Math.random() * tmpPosition.length); numIterated < tmpPosition.length; index = (index+1) % tmpPosition.length) {
+ numIterated++;
+ tmpPosition[index] = tmpPosition[index].add(tmpPositionDirection[index].getAdjacentX(), 0, tmpPositionDirection[index].getAdjacentZ());
+ pos = tmpPosition[index];
+
+ foundPosition = isSafeRespawn(world, pos);
+ if (foundPosition) {
+ return pos;
+ }
+ }
+ }
+ switch (h) {
+ case -1:
+ h = 1;
+ break;
+ case 0:
+ h = -1;
+ break;
+ case 1:
+ h = Integer.MAX_VALUE;
+ break;
+ }
+ }
+ for (int index = 0; index < corePosition.length; index++) {
+ EnumDirection tmp = corePositionOutDirection[index];
+ corePosition[index] = corePosition[index].add(tmp.getAdjacentX(), 0, tmp.getAdjacentZ());
+ }
+ }
return null;
}
+ // Paper end
+ protected static boolean isSafeRespawn(IBlockAccess iblockaccess, BlockPosition blockposition) { // Paper - OBFHELPER + behavior improvement
+ return a(iblockaccess, blockposition) && iblockaccess.getType(blockposition.down()).getMaterial().isBuildable(); // Paper - ensure solid block
+ }
protected static boolean a(IBlockAccess iblockaccess, BlockPosition blockposition) {
return iblockaccess.getType(blockposition.down()).q() && !iblockaccess.getType(blockposition).getMaterial().isBuildable() && !iblockaccess.getType(blockposition.up()).getMaterial().isBuildable();
}
--
2.19.0
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