Paper/Spigot-Server-Patches/0149-Fix-FallingBlocks-being-stuck-on-fences.patch

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2016-11-17 03:23:38 +01:00
From 2b86c572200449a630e63977abf6733c518e4be5 Mon Sep 17 00:00:00 2001
From: Martin Panzer <postremus1996@googlemail.com>
Date: Fri, 3 Jun 2016 23:13:39 +0200
Subject: [PATCH] Fix FallingBlocks being stuck on fences
Fallingblocks would previously only check if directly beneath them a block exists. They also
hover on top of the 1.5 block tall hitbox of fences during these check. This
resulted in them always thinking they would be on air.
We now first check, if if we are already on the ground.
if not, we check if the falling block is inside of the hitbox of the block at y - 1.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 2a4d1da..a57a397 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -341,4 +341,9 @@ public class PaperWorldConfig {
log("Old Cannon Behaviors: This feature may not be working entirely properly at the moment");
}
}
+
+ public boolean altFallingBlockOnGround;
+ private void altFallingBlockOnGround() {
+ altFallingBlockOnGround = getBoolean("use-alternate-fallingblock-onGround-detection", false);
+ }
}
diff --git a/src/main/java/net/minecraft/server/BlockFalling.java b/src/main/java/net/minecraft/server/BlockFalling.java
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index dcdae99..3c77741 100644
--- a/src/main/java/net/minecraft/server/BlockFalling.java
+++ b/src/main/java/net/minecraft/server/BlockFalling.java
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@@ -71,6 +71,12 @@ public class BlockFalling extends Block {
return block == Blocks.FIRE || material == Material.AIR || material == Material.WATER || material == Material.LAVA;
}
+ // Paper start - OBFHELPER
+ public static boolean canMoveThrough(IBlockData blockdata) {
+ return BlockFalling.i(blockdata);
+ }
+ // Paper end
+
public void a_(World world, BlockPosition blockposition) {}
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public void b(World world, BlockPosition blockposition) {}
diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
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index 613af99..edc817a 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
@@ -2,7 +2,9 @@ package net.minecraft.server;
import com.google.common.collect.Lists;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Iterator;
+import java.util.List;
import javax.annotation.Nullable;
import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
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@@ -97,10 +99,9 @@ public class EntityFallingBlock extends Entity {
blockposition = new BlockPosition(this);
if (this.onGround) {
IBlockData iblockdata = this.world.getType(blockposition);
-
- if (BlockFalling.i(this.world.getType(new BlockPosition(this.locX, this.locY - 0.009999999776482582D, this.locZ)))) {
+ if (!isOnGround()) {
this.onGround = false;
- // return; // CraftBukkit
+ if (this.world.paperConfig.altFallingBlockOnGround) return; // Paper
}
this.motX *= 0.699999988079071D;
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@@ -159,6 +160,32 @@ public class EntityFallingBlock extends Entity {
}
}
+ // Paper start
+ private boolean isOnGround() {
+ BlockPosition where = new BlockPosition(this.locX, this.locY - 0.009999999776482582D, this.locZ);
+ boolean cannotMoveThrough = !BlockFalling.canMoveThrough(this.world.getType(where));
+ if (!this.world.paperConfig.altFallingBlockOnGround) return cannotMoveThrough;
+
+ if (cannotMoveThrough) {
+ return true;
+ }
+
+ IBlockData blockData = this.world.getType(where.down());
+ if (BlockFalling.canMoveThrough(blockData)) {
+ return false;
+ }
+
+ List<AxisAlignedBB> list = new ArrayList<>();
+ addCollisions(blockData, getWorld(), where, this.getBoundingBox(), list, this);
+ return list.size() > 0;
+ }
+
+ // OBFHELPER
+ private void addCollisions(IBlockData blockData, World world, BlockPosition where, AxisAlignedBB collider, List<AxisAlignedBB> list, Entity entity) {
+ blockData.a(world, where, collider, list, entity);
+ }
+ // Paper end
+
public void e(float f, float f1) {
Block block = this.block.getBlock();
--
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2.10.2