96 lines
5.0 KiB
Diff
96 lines
5.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Fri, 24 Jul 2020 15:56:05 -0700
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Subject: [PATCH] Fix some rails connecting improperly
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diff --git a/src/main/java/net/minecraft/world/level/block/BlockMinecartDetector.java b/src/main/java/net/minecraft/world/level/block/BlockMinecartDetector.java
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index 61c4a57174237f5f77d841bb2274ace6297db8a4..27573a0334b06f4b6ada672057695d8f8a2bcfc4 100644
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--- a/src/main/java/net/minecraft/world/level/block/BlockMinecartDetector.java
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+++ b/src/main/java/net/minecraft/world/level/block/BlockMinecartDetector.java
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@@ -71,6 +71,7 @@ public class BlockMinecartDetector extends BlockMinecartTrackAbstract {
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private void a(World world, BlockPosition blockposition, IBlockData iblockdata) {
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if (this.canPlace(iblockdata, world, blockposition)) {
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+ if (iblockdata.getBlock() != this) { return; } // Paper - not our block, don't do anything
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boolean flag = (Boolean) iblockdata.get(BlockMinecartDetector.POWERED);
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boolean flag1 = false;
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List<EntityMinecartAbstract> list = this.a(world, blockposition, EntityMinecartAbstract.class, (Predicate) null);
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diff --git a/src/main/java/net/minecraft/world/level/block/BlockMinecartTrackAbstract.java b/src/main/java/net/minecraft/world/level/block/BlockMinecartTrackAbstract.java
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index f65a53347f26affd1ce8d79527a6486e6bf8fbdd..0545dd68ea1f0a27739fac1a358c7def849e6b6a 100644
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--- a/src/main/java/net/minecraft/world/level/block/BlockMinecartTrackAbstract.java
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+++ b/src/main/java/net/minecraft/world/level/block/BlockMinecartTrackAbstract.java
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@@ -62,6 +62,7 @@ public abstract class BlockMinecartTrackAbstract extends Block {
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iblockdata = this.a(world, blockposition, iblockdata, true);
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if (this.c) {
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iblockdata.doPhysics(world, blockposition, this, blockposition, flag);
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+ iblockdata = world.getType(blockposition); // Paper - don't desync, update again
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}
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return iblockdata;
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diff --git a/src/main/java/net/minecraft/world/level/block/MinecartTrackLogic.java b/src/main/java/net/minecraft/world/level/block/MinecartTrackLogic.java
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index 8a8e3af0290a9483ee59d5fab061a9a9f5613f0a..436cfcde89aa780bcd58150f6167a365d8d955bc 100644
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--- a/src/main/java/net/minecraft/world/level/block/MinecartTrackLogic.java
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+++ b/src/main/java/net/minecraft/world/level/block/MinecartTrackLogic.java
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@@ -12,13 +12,19 @@ import net.minecraft.world.level.block.state.properties.BlockPropertyTrackPositi
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public class MinecartTrackLogic {
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- private final World a;
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- private final BlockPosition b;
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+ private final World a; public final World getWorld() { return this.a; } // Paper - OBFHELPER
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+ private final BlockPosition b; public final BlockPosition getPos() { return this.b; } // Paper - OBFHELPER
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private final BlockMinecartTrackAbstract c;
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- private IBlockData d;
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+ private IBlockData d; public final IBlockData getRailState() { return this.d; } // Paper - OBFHELPER
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private final boolean e;
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private final List<BlockPosition> f = Lists.newArrayList();
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+ // Paper start - prevent desync
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+ public boolean isValid() {
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+ return this.getWorld().getType(this.getPos()).getBlock() == this.getRailState().getBlock();
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+ }
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+ // Paper end - prevent desync
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+
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public MinecartTrackLogic(World world, BlockPosition blockposition, IBlockData iblockdata) {
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this.a = world;
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this.b = blockposition;
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@@ -153,6 +159,11 @@ public class MinecartTrackLogic {
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}
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private void c(MinecartTrackLogic minecarttracklogic) {
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+ // Paper start - prevent desync
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+ if (!this.isValid() || !minecarttracklogic.isValid()) {
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+ return;
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+ }
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+ // Paper end - prevent desync
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this.f.add(minecarttracklogic.b);
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BlockPosition blockposition = this.b.north();
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BlockPosition blockposition1 = this.b.south();
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@@ -347,11 +358,16 @@ public class MinecartTrackLogic {
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this.d = (IBlockData) this.d.set(this.c.d(), blockpropertytrackposition1);
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if (flag1 || this.a.getType(this.b) != this.d) {
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this.a.setTypeAndData(this.b, this.d, 3);
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+ // Paper start - prevent desync
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+ if (!this.isValid()) {
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+ return this;
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+ }
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+ // Paper end - prevent desync
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for (int i = 0; i < this.f.size(); ++i) {
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MinecartTrackLogic minecarttracklogic = this.b((BlockPosition) this.f.get(i));
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- if (minecarttracklogic != null) {
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+ if (minecarttracklogic != null && minecarttracklogic.isValid()) { // Paper - prevent desync
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minecarttracklogic.d();
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if (minecarttracklogic.b(this)) {
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minecarttracklogic.c(this);
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@@ -364,6 +380,6 @@ public class MinecartTrackLogic {
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}
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public IBlockData c() {
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- return this.d;
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+ return this.getWorld().getType(this.getPos()); // Paper - prevent desync
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}
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}
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