95 lines
4.8 KiB
Diff
95 lines
4.8 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/BaseRailBlock.java b/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
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index 1a44c8b41928a83a22b53d1b6f45ce39b4caf2b2..7cef6d1fc2045c62d4e96a0fd0a311d089cb1406 100644
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--- a/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/BaseRailBlock.java
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@@ -62,6 +62,7 @@ public abstract class BaseRailBlock extends Block {
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state = this.updateDir(world, pos, state, true);
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if (this.isStraight) {
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state.neighborChanged(world, pos, this, pos, notify);
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+ state = world.getBlockState(pos); // Paper - don't desync, update again
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}
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return state;
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diff --git a/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java b/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
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index 0ab1e15d8575c3e90a10b80b94030e15a01faac9..1854809e045300e84a713dc7c3a8264f53ec6c0f 100644
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--- a/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/DetectorRailBlock.java
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@@ -70,6 +70,7 @@ public class DetectorRailBlock extends BaseRailBlock {
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private void checkPressed(Level world, BlockPos pos, BlockState state) {
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if (this.canSurvive(state, world, pos)) {
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+ if (state.getBlock() != this) { return; } // Paper - not our block, don't do anything
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boolean flag = (Boolean) state.getValue(DetectorRailBlock.POWERED);
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boolean flag1 = false;
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List<AbstractMinecart> list = this.getInteractingMinecartOfType(world, pos, AbstractMinecart.class, (Predicate) null);
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diff --git a/src/main/java/net/minecraft/world/level/block/RailState.java b/src/main/java/net/minecraft/world/level/block/RailState.java
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index 0d824ab98dcdd6ea9dac025c37970fb4ec464131..4c17bec369fb19f47760e30b391b2128cee6b276 100644
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--- a/src/main/java/net/minecraft/world/level/block/RailState.java
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+++ b/src/main/java/net/minecraft/world/level/block/RailState.java
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@@ -12,13 +12,19 @@ import net.minecraft.world.level.block.state.properties.RailShape;
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public class RailState {
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- private final Level level;
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- private final BlockPos pos;
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+ private final Level level; public final Level getWorld() { return this.level; } // Paper - OBFHELPER
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+ private final BlockPos pos; public final BlockPos getPos() { return this.pos; } // Paper - OBFHELPER
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private final BaseRailBlock block;
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- private BlockState state;
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+ private BlockState state; public final BlockState getRailState() { return this.state; } // Paper - OBFHELPER
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private final boolean isStraight;
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private final List<BlockPos> connections = Lists.newArrayList();
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+ // Paper start - prevent desync
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+ public boolean isValid() {
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+ return this.getWorld().getBlockState(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 RailState(Level world, BlockPos pos, BlockState state) {
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this.level = world;
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this.pos = pos;
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@@ -153,6 +159,11 @@ public class RailState {
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}
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private void connectTo(RailState placementHelper) {
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+ // Paper start - prevent desync
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+ if (!this.isValid() || !placementHelper.isValid()) {
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+ return;
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+ }
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+ // Paper end - prevent desync
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this.connections.add(placementHelper.pos);
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BlockPos blockposition = this.pos.north();
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BlockPos blockposition1 = this.pos.south();
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@@ -347,11 +358,16 @@ public class RailState {
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this.state = (BlockState) this.state.setValue(this.block.getShapeProperty(), blockpropertytrackposition1);
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if (forceUpdate || this.level.getBlockState(this.pos) != this.state) {
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this.level.setBlock(this.pos, this.state, 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.connections.size(); ++i) {
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RailState minecarttracklogic = this.getRail((BlockPos) this.connections.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.removeSoftConnections();
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if (minecarttracklogic.canConnectTo(this)) {
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minecarttracklogic.connectTo(this);
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@@ -364,6 +380,6 @@ public class RailState {
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}
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public BlockState getState() {
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- return this.state;
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+ return this.getWorld().getBlockState(this.getPos()); // Paper - prevent desync
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}
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}
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