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The Paper method was chosen for deprecation because it was more restrictive in that it has an isGliding check.
41 lines
2.7 KiB
Diff
41 lines
2.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 1 May 2023 18:31:26 -0700
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Subject: [PATCH] Break redstone on top of trap doors early
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This logic hooks into the neighbour update which should be invoked
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as a result of redstone powering the trap door.
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diff --git a/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java b/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
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index 761bbb448acf1c3bf03d728f1a285b89963e61e1..d2f3af70449b0b24734433533167cae444ec4bde 100644
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--- a/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
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+++ b/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
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@@ -124,7 +124,26 @@ public class TrapDoorBlock extends HorizontalDirectionalBlock implements SimpleW
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flag1 = eventRedstone.getNewCurrent() > 0;
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}
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// CraftBukkit end
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- if ((Boolean) state.getValue(TrapDoorBlock.OPEN) != flag1) {
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+ boolean open = (Boolean) state.getValue(TrapDoorBlock.OPEN) != flag1; // Paper - break redstone on trapdoors early
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+ // Paper start - break redstone on trapdoors early
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+ // note: this must run before any state for this block/its neighborus are written to the world
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+ // we allow the redstone event to fire so that plugins can block
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+ if (flag1 && open) { // if we are now powered and it caused the trap door to open
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+ // in this case, first check for the redstone on top first
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+ BlockPos abovePos = pos.above();
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+ BlockState above = world.getBlockState(abovePos);
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+ if (above.getBlock() instanceof RedStoneWireBlock) {
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+ world.setBlock(abovePos, Blocks.AIR.defaultBlockState(), Block.UPDATE_CLIENTS | Block.UPDATE_NEIGHBORS);
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+ Block.popResource(world, abovePos, new net.minecraft.world.item.ItemStack(net.minecraft.world.item.Items.REDSTONE));
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+ // now check that this didn't change our state
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+ if (world.getBlockState(pos) != state) {
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+ // our state was changed, so we cannot propagate this update
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+ return;
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+ }
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+ }
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+ }
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+ // Paper end - break redstone on trapdoors early
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+ if (open) { // Paper - break redstone on trapdoors early
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state = (BlockState) state.setValue(TrapDoorBlock.OPEN, flag1);
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this.playSound((Player) null, world, pos, flag1);
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}
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