mirror of
https://github.com/SquidDev-CC/CC-Tweaked
synced 2025-10-27 11:57:38 +00:00
Ensure the terminal exists when creating a monitor peripheral
Previously we had the invariant that if we had a server monitor, we also
had a terminal. When a monitor shrank into a place, we deleted the
monitor, and then recreated it when a peripheral was requested.
As of ab785a0906 this has changed
slightly, and we now just delete the terminal (keeping the ServerMonitor
around). However, we didn't adjust the peripheral code accordingly,
meaning we didn't recreate the /terminal/ when a peripheral was
requested.
The fix for this is very simple - most of the rest of this commit is
some additional code for ensuring monitor invariants hold, so we can
write tests with a little more confidence.
I'm not 100% sold on this approach. It's tricky having a double layer of
nullable state (ServerMonitor, and then the terminal). However, I think
this is reasonable - the ServerMonitor is a reference to the multiblock,
and the Terminal is part of the multiblock's state.
Even after all the refactors, monitor code is still nastier than I'd
like :/.
Fixes #1608
This commit is contained in:
Jonathan Coates
@@ -17,7 +17,10 @@ import net.minecraft.gametest.framework.GameTestGenerator
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import net.minecraft.gametest.framework.GameTestHelper
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import net.minecraft.gametest.framework.TestFunction
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import net.minecraft.nbt.CompoundTag
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import net.minecraft.world.entity.EntityType
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import net.minecraft.world.item.ItemStack
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import net.minecraft.world.level.block.Blocks
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import org.junit.jupiter.api.Assertions.*
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import java.util.*
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class Monitor_Test {
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@@ -61,6 +64,45 @@ class Monitor_Test {
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}
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}
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/**
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* When a monitor is destroyed and then replaced, the terminal is recreated.
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*/
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@GameTest
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fun Creates_terminal(helper: GameTestHelper) = helper.sequence {
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fun monitorAt(x: Int) =
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helper.getBlockEntity(BlockPos(x, 2, 2), ModRegistry.BlockEntities.MONITOR_ADVANCED.get())
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thenExecute {
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for (i in 1..3) {
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assertNull(monitorAt(i).cachedServerMonitor, "Monitor $i starts with no ServerMonitor")
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}
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monitorAt(2).peripheral()
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assertNotNull(monitorAt(1).cachedServerMonitor?.terminal, "Creating a peripheral creates a terminal")
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// Then remove the middle monitor and check it splits into two.
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helper.setBlock(BlockPos(2, 2, 2), Blocks.AIR.defaultBlockState())
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assertNotNull(monitorAt(3).cachedServerMonitor, "Origin retains its monitor")
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assertNull(monitorAt(3).cachedServerMonitor!!.terminal, "Origin deletes the terminal")
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assertNotEquals(monitorAt(1).cachedServerMonitor, monitorAt(3).cachedServerMonitor, "Monitors are different")
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// Then set the monitor, check it rejoins and recreates the terminal.
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val pos = BlockPos(2, 2, 2)
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helper.setBlock(pos, ModRegistry.Blocks.MONITOR_ADVANCED.get())
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ModRegistry.Blocks.MONITOR_ADVANCED.get().setPlacedBy(
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helper.level,
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helper.absolutePos(pos),
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helper.getBlockState(pos),
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EntityType.COW.create(helper.level),
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ItemStack.EMPTY,
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)
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monitorAt(2).peripheral()
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assertNotNull(monitorAt(1).cachedServerMonitor?.terminal, "Recreates the terminal")
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}
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}
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/**
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* Test monitors render correctly
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*/
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139
projects/common/src/testMod/resources/data/cctest/structures/monitor_test.creates_terminal.snbt
generated
Normal file
139
projects/common/src/testMod/resources/data/cctest/structures/monitor_test.creates_terminal.snbt
generated
Normal file
@@ -0,0 +1,139 @@
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{
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DataVersion: 3465,
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size: [5, 5, 5],
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data: [
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{pos: [0, 0, 0], state: "minecraft:polished_andesite"},
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{pos: [0, 0, 2], state: "minecraft:polished_andesite"},
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{pos: [0, 0, 3], state: "minecraft:polished_andesite"},
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{pos: [0, 0, 4], state: "minecraft:polished_andesite"},
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{pos: [1, 0, 0], state: "minecraft:polished_andesite"},
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{pos: [1, 0, 1], state: "minecraft:polished_andesite"},
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{pos: [1, 0, 2], state: "minecraft:polished_andesite"},
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{pos: [1, 0, 3], state: "minecraft:polished_andesite"},
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{pos: [1, 0, 4], state: "minecraft:polished_andesite"},
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{pos: [2, 0, 0], state: "minecraft:polished_andesite"},
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{pos: [2, 0, 1], state: "minecraft:polished_andesite"},
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{pos: [2, 0, 2], state: "minecraft:polished_andesite"},
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{pos: [2, 0, 3], state: "minecraft:polished_andesite"},
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{pos: [2, 0, 4], state: "minecraft:polished_andesite"},
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{pos: [3, 0, 0], state: "minecraft:polished_andesite"},
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{pos: [3, 0, 1], state: "minecraft:polished_andesite"},
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{pos: [3, 0, 2], state: "minecraft:polished_andesite"},
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{pos: [3, 0, 3], state: "minecraft:polished_andesite"},
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{pos: [3, 0, 4], state: "minecraft:polished_andesite"},
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{pos: [4, 0, 0], state: "minecraft:polished_andesite"},
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{pos: [4, 0, 1], state: "minecraft:polished_andesite"},
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{pos: [4, 0, 2], state: "minecraft:polished_andesite"},
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{pos: [4, 0, 3], state: "minecraft:polished_andesite"},
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{pos: [4, 0, 4], state: "minecraft:polished_andesite"},
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{pos: [0, 1, 0], state: "minecraft:air"},
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{pos: [0, 1, 1], state: "minecraft:air"},
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{pos: [0, 1, 2], state: "minecraft:air"},
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{pos: [0, 1, 3], state: "minecraft:air"},
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{pos: [0, 1, 4], state: "minecraft:air"},
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{pos: [1, 1, 0], state: "minecraft:air"},
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{pos: [1, 1, 1], state: "minecraft:air"},
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{pos: [1, 1, 2], state: "computercraft:monitor_advanced{facing:north,orientation:north,state:l}", nbt: {Height: 1, Width: 3, XIndex: 2, YIndex: 0, id: "computercraft:monitor_advanced"}},
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{pos: [1, 1, 3], state: "minecraft:air"},
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{pos: [1, 1, 4], state: "minecraft:air"},
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{pos: [2, 1, 0], state: "minecraft:air"},
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{pos: [2, 1, 1], state: "minecraft:air"},
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{pos: [2, 1, 2], state: "computercraft:monitor_advanced{facing:north,orientation:north,state:lr}", nbt: {Height: 1, Width: 3, XIndex: 1, YIndex: 0, id: "computercraft:monitor_advanced"}},
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{pos: [2, 1, 3], state: "minecraft:air"},
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{pos: [2, 1, 4], state: "minecraft:air"},
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{pos: [3, 1, 0], state: "minecraft:air"},
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{pos: [3, 1, 1], state: "minecraft:air"},
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{pos: [3, 1, 2], state: "computercraft:monitor_advanced{facing:north,orientation:north,state:r}", nbt: {Height: 1, Width: 3, XIndex: 0, YIndex: 0, id: "computercraft:monitor_advanced"}},
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{pos: [3, 1, 3], state: "minecraft:air"},
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{pos: [3, 1, 4], state: "minecraft:air"},
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{pos: [4, 1, 0], state: "minecraft:air"},
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{pos: [4, 1, 1], state: "minecraft:air"},
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{pos: [4, 1, 2], state: "minecraft:air"},
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{pos: [4, 1, 3], state: "minecraft:air"},
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{pos: [4, 1, 4], state: "minecraft:air"},
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{pos: [0, 3, 0], state: "minecraft:air"},
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{pos: [0, 2, 1], state: "minecraft:air"},
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{pos: [0, 2, 2], state: "minecraft:air"},
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{pos: [0, 2, 3], state: "minecraft:air"},
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{pos: [0, 2, 4], state: "minecraft:air"},
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{pos: [1, 2, 0], state: "minecraft:air"},
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{pos: [1, 2, 1], state: "minecraft:air"},
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{pos: [1, 2, 2], state: "minecraft:air"},
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{pos: [1, 2, 3], state: "minecraft:air"},
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{pos: [1, 2, 4], state: "minecraft:air"},
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{pos: [2, 2, 0], state: "minecraft:air"},
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{pos: [2, 2, 1], state: "minecraft:air"},
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{pos: [2, 2, 2], state: "minecraft:air"},
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{pos: [2, 2, 3], state: "minecraft:air"},
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{pos: [2, 2, 4], state: "minecraft:air"},
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{pos: [3, 2, 0], state: "minecraft:air"},
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{pos: [3, 2, 1], state: "minecraft:air"},
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{pos: [3, 2, 2], state: "minecraft:air"},
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{pos: [3, 2, 3], state: "minecraft:air"},
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{pos: [3, 2, 4], state: "minecraft:air"},
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{pos: [4, 2, 0], state: "minecraft:air"},
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{pos: [4, 2, 1], state: "minecraft:air"},
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{pos: [4, 2, 2], state: "minecraft:air"},
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{pos: [4, 2, 3], state: "minecraft:air"},
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{pos: [4, 2, 4], state: "minecraft:air"},
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{pos: [0, 3, 0], state: "minecraft:air"},
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{pos: [0, 3, 1], state: "minecraft:air"},
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{pos: [0, 3, 2], state: "minecraft:air"},
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{pos: [0, 3, 3], state: "minecraft:air"},
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{pos: [0, 3, 4], state: "minecraft:air"},
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{pos: [1, 3, 0], state: "minecraft:air"},
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{pos: [1, 3, 1], state: "minecraft:air"},
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{pos: [1, 3, 2], state: "minecraft:air"},
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{pos: [1, 3, 3], state: "minecraft:air"},
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{pos: [1, 3, 4], state: "minecraft:air"},
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{pos: [2, 3, 0], state: "minecraft:air"},
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{pos: [2, 3, 1], state: "minecraft:air"},
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{pos: [2, 3, 2], state: "minecraft:air"},
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{pos: [2, 3, 3], state: "minecraft:air"},
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{pos: [2, 3, 4], state: "minecraft:air"},
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{pos: [3, 3, 0], state: "minecraft:air"},
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{pos: [3, 3, 1], state: "minecraft:air"},
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{pos: [3, 3, 2], state: "minecraft:air"},
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{pos: [3, 3, 3], state: "minecraft:air"},
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{pos: [3, 3, 4], state: "minecraft:air"},
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{pos: [4, 3, 0], state: "minecraft:air"},
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{pos: [4, 3, 1], state: "minecraft:air"},
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{pos: [4, 3, 2], state: "minecraft:air"},
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{pos: [4, 3, 3], state: "minecraft:air"},
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{pos: [4, 3, 4], state: "minecraft:air"},
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{pos: [0, 4, 0], state: "minecraft:air"},
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{pos: [0, 4, 3], state: "minecraft:air"},
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{pos: [0, 4, 4], state: "minecraft:air"},
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{pos: [1, 4, 1], state: "minecraft:air"},
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{pos: [1, 4, 2], state: "minecraft:air"},
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{pos: [1, 4, 3], state: "minecraft:air"},
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{pos: [1, 4, 4], state: "minecraft:air"},
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{pos: [2, 4, 0], state: "minecraft:air"},
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{pos: [2, 4, 2], state: "minecraft:air"},
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{pos: [4, 4, 3], state: "minecraft:air"},
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{pos: [4, 4, 4], state: "minecraft:air"}
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],
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entities: [],
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palette: [
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"minecraft:polished_andesite",
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"minecraft:air",
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"computercraft:monitor_advanced{facing:north,orientation:north,state:l}",
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"computercraft:monitor_advanced{facing:north,orientation:north,state:lr}",
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"computercraft:monitor_advanced{facing:north,orientation:north,state:r}"
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]
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}
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