mirror of
https://github.com/PaperMC/Paper.git
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512 lines
19 KiB
Diff
512 lines
19 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: dfsek <dfsek@protonmail.com>
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Date: Sat, 19 Jun 2021 20:15:29 -0700
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Subject: [PATCH] Add more LimitedRegion API
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diff --git a/src/main/java/io/papermc/paper/world/generation/ProtoWorld.java b/src/main/java/io/papermc/paper/world/generation/ProtoWorld.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..edf8d0ae398f123ab25cb7954df07f6020454dd4
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/world/generation/ProtoWorld.java
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@@ -0,0 +1,319 @@
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+package io.papermc.paper.world.generation;
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+
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+import org.bukkit.World;
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+import org.bukkit.block.BlockState;
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+import org.bukkit.block.data.BlockData;
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+import org.bukkit.entity.Entity;
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+import org.bukkit.entity.EntityType;
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+import org.bukkit.event.entity.CreatureSpawnEvent;
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+import org.bukkit.generator.LimitedRegion;
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+import org.bukkit.generator.WorldInfo;
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+import org.bukkit.util.Vector;
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+import org.jetbrains.annotations.NotNull;
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+import org.jetbrains.annotations.Nullable;
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+
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+import java.util.Random;
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+import java.util.function.Consumer;
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+
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+/**
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+ * Represents a small grid of chunks in a {@link World}
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+ * with rudimentary block and entity access, for use during world generation.
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+ * <p>
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+ * A ProtoWorld is guaranteed read/write access to a 3x3 grid of chunks,
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+ * but may have access to a grid as large as 17x17. It is safest to assume
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+ * that there is only read/write access to 3x3 chunks. Some chunks outside
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+ * of the 3x3 area may be readable but not writable.
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+ * <p>
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+ * ProtoWorlds should not be stored! After they are used during
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+ * chunk generation they should be disposed of.
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+ *
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+ * @see org.bukkit.generator.BlockPopulator#populate(WorldInfo, Random, int, int, LimitedRegion)
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+ * @deprecated see {@link org.bukkit.RegionAccessor} and {@link org.bukkit.generator.LimitedRegion}
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+ */
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+@Deprecated(forRemoval = true)
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+public interface ProtoWorld {
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+ /**
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+ * Sets the block at (x, y, z) to the provided {@link BlockData}.
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+ *
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+ * @param x X coordinate in this ProtoWorld
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+ * @param y Y coordinate in this ProtoWorld
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+ * @param z Z coordinate in this ProtoWorld
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+ * @param data {@link BlockData} to set the block at the provided coordinates to.
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+ */
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+ void setBlockData(int x, int y, int z, @NotNull BlockData data);
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+
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+ /**
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+ * Sets the block at a vector location to the provided {@link BlockData}.
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+ *
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+ * @param vector {@link Vector} representing the position of the block to set.
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+ * @param data {@link BlockData} to set the block at the provided coordinates to.
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+ */
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+ default void setBlockData(@NotNull Vector vector, @NotNull BlockData data) {
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+ setBlockData(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ(), data);
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+ }
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+
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+ /**
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+ * Sets the {@link BlockState} at a location.
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+ *
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+ * @param x X coordinate.
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+ * @param y Y coordinate.
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+ * @param z Z coordinate.
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+ * @param state The block state.
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+ */
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+ void setBlockState(int x, int y, int z, @NotNull BlockState state);
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+
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+ /**
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+ * Sets the {@link BlockState} at a location.
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+ *
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+ * @param location Location to set block state.
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+ * @param state The block state.
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+ */
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+ default void setBlockState(@NotNull Vector location, @NotNull BlockState state) {
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+ setBlockState(location.getBlockX(), location.getBlockY(), location.getBlockZ(), state);
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+ }
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+
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+ /**
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+ * Gets the {@link BlockState} at a location.
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+ *
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+ * @param x X coordinate.
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+ * @param y Y coordinate.
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+ * @param z Z coordinate.
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+ * @return The block state.
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+ */
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+ @NotNull
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+ BlockState getBlockState(int x, int y, int z);
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+
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+ /**
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+ * Gets the {@link BlockState} at a location.
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+ *
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+ * @param location Location to get block state from.
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+ * @return The block state.
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+ */
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+ @NotNull
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+ default BlockState getBlockState(@NotNull Vector location) {
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+ return getBlockState(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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+ }
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+
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+ /**
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+ * Schedule a block update at (x, y, z).
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+ *
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+ * @param x X coordinate in this ProtoWorld
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+ * @param y Y coordinate in this ProtoWorld
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+ * @param z Z coordinate in this ProtoWorld
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+ */
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+ void scheduleBlockUpdate(int x, int y, int z);
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+
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+ /**
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+ * Schedule a block update at a vector location
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+ *
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+ * @param location {@link Vector} representing the position of the block to update.
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+ */
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+ default void scheduleBlockUpdate(@NotNull Vector location) {
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+ scheduleBlockUpdate(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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+ }
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+
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+ /**
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+ * Schedule a fluid update at (x, y, z).
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+ *
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+ * @param x X coordinate in this ProtoWorld
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+ * @param y Y coordinate in this ProtoWorld
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+ * @param z Z coordinate in this ProtoWorld
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+ */
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+ void scheduleFluidUpdate(int x, int y, int z);
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+
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+ /**
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+ * Schedule a fluid update at a vector location
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+ *
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+ * @param location {@link Vector} representing the position of the block to update.
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+ */
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+ default void scheduleFluidUpdate(@NotNull Vector location) {
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+ scheduleFluidUpdate(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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+ }
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+
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+ /**
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+ * Get the {@link World} object this ProtoWorld represents.
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+ * <p>
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+ * Do <b>not</b> attempt to read from/write to this world! Doing so during generation <b>will cause a deadlock!</b>
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+ *
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+ * @return The {@link World} object that this ProtoWorld represents.
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+ */
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+ @NotNull
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+ World getWorld();
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+
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+
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+ /**
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+ * Get the {@link BlockData} of the block at the provided coordinates.
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+ *
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+ * @param x X coordinate in this ProtoWorld
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+ * @param y Y coordinate in this ProtoWorld
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+ * @param z Z coordinate in this ProtoWorld
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+ * @return {@link BlockData} at the coordinates
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+ */
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+ @NotNull
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+ BlockData getBlockData(int x, int y, int z);
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+
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+ /**
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+ * Get the {@link BlockData} of the block at the provided coordinates.
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+ *
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+ * @param vector {@link Vector} representing the position of the block to get.
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+ * @return {@link BlockData} at the coordinates
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+ */
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+ @NotNull
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+ default BlockData getBlockData(@NotNull Vector vector) {
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+ return getBlockData(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ());
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+ }
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+
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+ /**
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+ * Get the X-coordinate of the chunk in the center of this ProtoWorld
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+ *
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+ * @return The center chunk's X coordinate.
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+ */
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+ int getCenterChunkX();
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+
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+ /**
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+ * Get the X-coordinate of the block in the center of this {@link ProtoWorld}
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+ *
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+ * @return The center chunk's X coordinate.
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+ */
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+ default int getCenterBlockX() {
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+ return getCenterChunkX() << 4;
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+ }
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+
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+ /**
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+ * Get the Z-coordinate of the chunk in the center of this {@link ProtoWorld}
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+ *
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+ * @return The center chunk's Z coordinate.
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+ */
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+ int getCenterChunkZ();
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+
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+ /**
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+ * Get the Z-coordinate of the block in the center of this {@link ProtoWorld}
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+ *
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+ * @return The center chunk's Z coordinate.
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+ */
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+ default int getCenterBlockZ() {
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+ return getCenterChunkZ() << 4;
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+ }
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+
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+ /**
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+ * Creates an entity at the location represented by the given {@link Vector}
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+ *
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+ * @param loc The {@link Vector} representing the location to spawn the entity
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+ * @param type The entity to spawn
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+ * @return Resulting Entity of this method
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+ */
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+ @NotNull
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+ default Entity spawnEntity(@NotNull Vector loc, @NotNull EntityType type) {
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+ return spawn(loc, type.getEntityClass(), CreatureSpawnEvent.SpawnReason.DEFAULT);
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+ }
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+
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+ /**
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+ * Spawn an entity of a specific class at location represented by the given {@link Vector}
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+ *
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+ * @param location The {@link Vector} representing the location to spawn the entity at
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+ * @param clazz The class of the {@link Entity} to spawn
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+ * @param <T> The class of the {@link Entity} to spawn
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+ * @return An instance of the spawned {@link Entity}
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+ * @throws IllegalArgumentException if either parameter is null or the
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+ * {@link Entity} requested cannot be spawned
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+ */
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+ @NotNull
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+ default <T extends Entity> T spawn(@NotNull Vector location, @NotNull Class<T> clazz) throws IllegalArgumentException {
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+ return spawn(location, clazz, CreatureSpawnEvent.SpawnReason.DEFAULT, null);
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+ }
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+
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+ /**
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+ * Spawn an entity of a specific class at location represented by the given {@link Vector}
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+ *
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+ * @param location The {@link Vector} representing the location to spawn the entity at
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+ * @param clazz The class of the {@link Entity} to spawn
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+ * @param <T> The class of the {@link Entity} to spawn
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+ * @param reason The reason for the entity's spawn.
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+ * @return An instance of the spawned {@link Entity}
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+ * @throws IllegalArgumentException if either parameter is null or the
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+ * {@link Entity} requested cannot be spawned
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+ */
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+ @NotNull
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+ default <T extends Entity> T spawn(@NotNull Vector location, @NotNull Class<T> clazz, @NotNull CreatureSpawnEvent.SpawnReason reason) throws IllegalArgumentException {
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+ return spawn(location, clazz, reason, null);
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+ }
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+
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+ /**
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+ * Spawn an entity of a specific class at the location represented by the given {@link Vector}, with
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+ * the supplied function run before the entity is added to the world.
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+ * <br>
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+ * Note that when the function is run, the entity will not be actually in
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+ * the world. Any operation involving such as teleporting the entity is undefined
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+ * until after this function returns.
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+ *
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+ * @param location The {@link Vector} representing the location to spawn the entity at
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+ * @param clazz The class of the {@link Entity} to spawn
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+ * @param function The function to be run before the entity is spawned.
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+ * @param <T> The class of the {@link Entity} to spawn
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+ * @return An instance of the spawned {@link Entity}
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+ * @throws IllegalArgumentException if either parameter is null or the
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+ * {@link Entity} requested cannot be spawned
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+ */
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+ @NotNull
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+ default <T extends Entity> T spawn(@NotNull Vector location, @NotNull Class<T> clazz, @Nullable Consumer<T> function) throws IllegalArgumentException {
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+ return spawn(location, clazz, CreatureSpawnEvent.SpawnReason.CUSTOM, function);
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+ }
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+
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+ /**
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+ * Spawn an entity of a specific class at the location represented by the given {@link Vector}, with
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+ * the supplied function run before the entity is added to the world.
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+ * <br>
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+ * Note that when the function is run, the entity will not be actually in
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+ * the world. Any operation involving such as teleporting the entity is undefined
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+ * until after this function returns.
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+ *
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+ * @param location The {@link Vector} representing the location to spawn the entity at
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+ * @param clazz The class of the {@link Entity} to spawn
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+ * @param reason The reason for the entity's spawn.
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+ * @param function The function to be run before the entity is spawned.
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+ * @param <T> The class of the {@link Entity} to spawn
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+ * @return An instance of the spawned {@link Entity}
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+ * @throws IllegalArgumentException if either parameter is null or the
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+ * {@link Entity} requested cannot be spawned
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+ */
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+ @NotNull
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+ default <T extends Entity> T spawn(@NotNull Vector location, @NotNull Class<T> clazz, @NotNull CreatureSpawnEvent.SpawnReason reason, @Nullable Consumer<T> function) throws IllegalArgumentException {
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+ return spawn(location, clazz, function, reason);
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+ }
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+
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+ /**
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+ * Creates an entity at the location represented by the given {@link Vector}
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+ *
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+ * @param loc The {@link Vector} representing the location to spawn the entity
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+ * @param type The entity to spawn
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+ * @param reason The reason for the entity's spawn.
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+ * @return Resulting Entity of this method
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+ */
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+ @SuppressWarnings("unchecked")
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+ @NotNull
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+ default Entity spawnEntity(@NotNull Vector loc, @NotNull EntityType type, @NotNull CreatureSpawnEvent.SpawnReason reason) {
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+ return spawn(loc, (Class<Entity>) type.getEntityClass(), reason, null);
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+ }
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+
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+ /**
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+ * Creates an entity at the location represented by the given {@link Vector}, with
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+ * the supplied function run before the entity is added to the world.
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+ * <br>
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+ * Note that when the function is run, the entity will not be actually in
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+ * the world. Any operation involving such as teleporting the entity is undefined
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+ * until after this function returns.
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+ *
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+ * @param loc The {@link Vector} representing the location to spawn the entity
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+ * @param type The entity to spawn
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+ * @param reason The reason for the entity's spawn.
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+ * @param function The function to be run before the entity is spawned.
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+ * @return Resulting Entity of this method
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+ */
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+ @SuppressWarnings("unchecked")
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+ @NotNull
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+ default Entity spawnEntity(@NotNull Vector loc, @NotNull EntityType type, @NotNull CreatureSpawnEvent.SpawnReason reason, @Nullable Consumer<Entity> function) {
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+ return spawn(loc, (Class<Entity>) type.getEntityClass(), reason, function);
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+ }
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+
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+ @NotNull <T extends Entity> T spawn(@NotNull Vector location, @NotNull Class<T> clazz, @Nullable Consumer<T> function, @NotNull CreatureSpawnEvent.SpawnReason reason) throws IllegalArgumentException;
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+}
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diff --git a/src/main/java/org/bukkit/generator/ChunkGenerator.java b/src/main/java/org/bukkit/generator/ChunkGenerator.java
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index 0667315e2bd10254aef59c2a6bcceee9d927b6d5..e96d8877f73de12a56a2b36e32381a0b48bce297 100644
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--- a/src/main/java/org/bukkit/generator/ChunkGenerator.java
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+++ b/src/main/java/org/bukkit/generator/ChunkGenerator.java
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@@ -343,6 +343,20 @@ public abstract class ChunkGenerator {
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return new ArrayList<BlockPopulator>();
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}
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+
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+ // Paper start
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+ /**
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+ * Generate decorations in a chunk, with quick access to its neighbors.
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+ *
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+ * @param world ProtoWorld to generate decorations with.
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+ * @deprecated use and override {@link BlockPopulator#populate(WorldInfo, Random, int, int, LimitedRegion)}
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+ */
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+ @Deprecated(forRemoval = true)
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+ public void generateDecorations(@NotNull io.papermc.paper.world.generation.ProtoWorld world) {
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+ // Do nothing by default to maintain compatibility with existing generators.
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+ }
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+ // Paper end
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+
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/**
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* Gets a fixed spawn location to use for a given world.
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* <p>
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diff --git a/src/main/java/org/bukkit/generator/LimitedRegion.java b/src/main/java/org/bukkit/generator/LimitedRegion.java
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index 85faeeeef908243aa5f172284784e7e67995ebfb..e0b249d328f7671894cea94bc00d54ab54aacd36 100644
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--- a/src/main/java/org/bukkit/generator/LimitedRegion.java
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+++ b/src/main/java/org/bukkit/generator/LimitedRegion.java
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@@ -4,6 +4,12 @@ import java.util.List;
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import org.bukkit.Location;
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import org.bukkit.RegionAccessor;
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import org.bukkit.block.BlockState;
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+// Paper start
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+import org.bukkit.World;
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+import org.bukkit.block.BlockState;
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+import org.bukkit.block.data.BlockData;
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+import org.bukkit.util.Vector;
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+// Paper end
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import org.jetbrains.annotations.NotNull;
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/**
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@@ -53,4 +59,137 @@ public interface LimitedRegion extends RegionAccessor {
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*/
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@NotNull
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List<BlockState> getTileEntities();
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+
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+
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+ // Paper start
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+ /**
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+ * Sets the block at a vector location to the provided {@link BlockData}.
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+ *
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+ * @param vector {@link Vector} representing the position of the block to set.
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+ * @param data {@link BlockData} to set the block at the provided coordinates to.
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+ */
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+ default void setBlockData(@NotNull Vector vector, @NotNull BlockData data) {
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+ setBlockData(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ(), data);
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+ }
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+
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+ /**
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+ * Sets the {@link BlockState} at a location.
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+ *
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+ * @param x X coordinate.
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+ * @param y Y coordinate.
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+ * @param z Z coordinate.
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+ * @param state The block state.
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+ */
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+ void setBlockState(int x, int y, int z, @NotNull BlockState state);
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+
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+ /**
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+ * Sets the {@link BlockState} at a location.
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+ *
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+ * @param location Location to set block state.
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+ * @param state The block state.
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+ */
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+ default void setBlockState(@NotNull Vector location, @NotNull BlockState state) {
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+ setBlockState(location.getBlockX(), location.getBlockY(), location.getBlockZ(), state);
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+ }
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+
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+ /**
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+ * Gets the {@link BlockState} at a location.
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+ *
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+ * @param location Location to get block state from.
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+ * @return The block state.
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+ */
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+ @NotNull
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+ default BlockState getBlockState(@NotNull Vector location) {
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+ return getBlockState(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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+ }
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+
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+ /**
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+ * Schedules a block update at (x, y, z).
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+ *
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+ * @param x X coordinate
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+ * @param y Y coordinate
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+ * @param z Z coordinate
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+ */
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+ void scheduleBlockUpdate(int x, int y, int z);
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+
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+ /**
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+ * Schedules a block update at a vector location.
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+ *
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+ * @param location {@link Vector} representing the position of the block to update.
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+ */
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+ default void scheduleBlockUpdate(@NotNull Vector location) {
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+ scheduleBlockUpdate(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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+ }
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+
|
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+ /**
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+ * Schedules a fluid update at (x, y, z).
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+ *
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+ * @param x X coordinate
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+ * @param y Y coordinate
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+ * @param z Z coordinate
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+ */
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+ void scheduleFluidUpdate(int x, int y, int z);
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+
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+ /**
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+ * Schedules a fluid update at a vector location.
|
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+ *
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+ * @param location {@link Vector} representing the position of the block to update.
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+ */
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+ default void scheduleFluidUpdate(@NotNull Vector location) {
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+ scheduleFluidUpdate(location.getBlockX(), location.getBlockY(), location.getBlockZ());
|
|
+ }
|
|
+
|
|
+ /**
|
|
+ * Gets the {@link World} object this region represents.
|
|
+ * <p>
|
|
+ * Do <b>not</b> attempt to read from/write to this world! Doing so during generation <b>will cause a deadlock!</b>
|
|
+ *
|
|
+ * @return The {@link World} object that this region represents.
|
|
+ */
|
|
+ @NotNull
|
|
+ World getWorld();
|
|
+
|
|
+ /**
|
|
+ * Gets the {@link BlockData} of the block at the provided coordinates.
|
|
+ *
|
|
+ * @param vector {@link Vector} representing the position of the block to get.
|
|
+ * @return {@link BlockData} at the coordinates
|
|
+ */
|
|
+ @NotNull
|
|
+ default BlockData getBlockData(@NotNull Vector vector) {
|
|
+ return getBlockData(vector.getBlockX(), vector.getBlockY(), vector.getBlockZ());
|
|
+ }
|
|
+
|
|
+ /**
|
|
+ * Gets the X-coordinate of the chunk in the center of the region.
|
|
+ *
|
|
+ * @return The center chunk's X coordinate.
|
|
+ */
|
|
+ int getCenterChunkX();
|
|
+
|
|
+ /**
|
|
+ * Gets the X-coordinate of the block in the center of the region.
|
|
+ *
|
|
+ * @return The center chunk's X coordinate.
|
|
+ */
|
|
+ default int getCenterBlockX() {
|
|
+ return getCenterChunkX() << 4;
|
|
+ }
|
|
+
|
|
+ /**
|
|
+ * Gets the Z-coordinate of the chunk in the center of the region.
|
|
+ *
|
|
+ * @return The center chunk's Z coordinate.
|
|
+ */
|
|
+ int getCenterChunkZ();
|
|
+
|
|
+ /**
|
|
+ * Gets the Z-coordinate of the block in the center of the region.
|
|
+ *
|
|
+ * @return The center chunk's Z coordinate.
|
|
+ */
|
|
+ default int getCenterBlockZ() {
|
|
+ return getCenterChunkZ() << 4;
|
|
+ }
|
|
+ // Paper end
|
|
}
|