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52a05907c7
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 97c59261 PR-1073: Make Biome an interface a38581aa Fix further javadoc errors 8271c490 Fix javadoc error 8a9ecf29 PR-1072: Fix bad naming for Vault State methods 6dd58108 PR-1071: Make Fluid an interface and add missing entry ed2cdfc3 PR-1070: Make Attribute an interface and align names with the new minecraft ones 63472efb PR-1069: Add missing winter drop experimental annotation to pale boats CraftBukkit Changes: 7235ad7b0 PR-1501: Make Biome an interface 602904003 PR-1500: Rename implementation for Vault State methods 75f26f79f PR-1499: Make Fluid an interface and add missing entry 4cfd87adc PR-1498: Make Attribute an interface and align names with the new minecraft ones 6bb0db5cb SPIGOT-7928: ExactChoice acts as MaterialChoice 3eaf3a13c SPIGOT-7929: Error when setting EquippableComponent abbf57bac SPIGOT-7930: Fix spawning entities with SummonEntityEffect 92d6ab6cf PR-1497: Move boat field rename entries to below key renaming, so that keys are also renamed abfe292aa PR-1496: Use correct Fluid class on Tags type check c7aab7fa7 SPIGOT-7923: Fix Dispenser logic to avoid firing empty projectiles
165 lines
6 KiB
Diff
165 lines
6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: vicisacat <victor.branchu@gmail.com>
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Date: Fri, 17 Nov 2023 20:21:47 +0100
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Subject: [PATCH] Add FluidState API
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diff --git a/src/main/java/io/papermc/paper/block/fluid/FluidData.java b/src/main/java/io/papermc/paper/block/fluid/FluidData.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..0750219fc68261e5c396636967e0b633ae17b72e
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/block/fluid/FluidData.java
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@@ -0,0 +1,69 @@
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+package io.papermc.paper.block.fluid;
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+
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+import org.bukkit.Fluid;
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+import org.bukkit.Location;
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+import org.bukkit.util.Vector;
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+import org.jetbrains.annotations.Range;
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+import org.jspecify.annotations.NullMarked;
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+
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+/**
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+ * A representation of a fluid in a specific state of data.
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+ * This type is not linked to a specific location and hence mostly resembles a {@link org.bukkit.block.data.BlockData}.
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+ */
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+@NullMarked
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+public interface FluidData extends Cloneable {
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+
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+ /**
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+ * Gets the fluid type of this fluid data.
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+ *
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+ * @return the fluid type
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+ */
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+ Fluid getFluidType();
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+
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+ /**
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+ * Returns a copy of this FluidData.
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+ *
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+ * @return a copy of the fluid data
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+ */
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+ FluidData clone();
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+
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+ /**
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+ * Computes the direction of the flow of the liquid at the given location as a vector.
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+ * <p>
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+ * This method requires the passed location's chunk to be loaded.
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+ * If said chunk is not loaded when this method is called, the chunk will first be loaded prior to the computation
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+ * which leads to a potentially slow sync chunk load.
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+ *
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+ * @param location - the location to check the liquid flow
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+ * @return the flow direction vector at the given location
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+ */
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+ Vector computeFlowDirection(Location location);
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+
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+ /**
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+ * Returns the level of liquid this fluid data holds.
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+ *
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+ * @return the amount as an integer, between 0 and 8
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+ */
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+ @Range(from = 0, to = 8)
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+ int getLevel();
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+
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+ /**
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+ * Computes the height of the fluid in the world.
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+ * <p>
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+ * This method requires the passed location's chunk to be loaded.
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+ * If said chunk is not loaded when this method is called, the chunk will first be loaded prior to the computation
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+ * which leads to a potentially slow sync chunk load.
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+ *
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+ * @param location the location at which to check the high of this fluid data.
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+ * @return the height as a float value
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+ */
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+ @Range(from = 0, to = 1)
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+ float computeHeight(Location location);
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+
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+ /**
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+ * Returns whether this fluid is a source block
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+ *
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+ * @return true if the fluid is a source block, false otherwise
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+ */
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+ boolean isSource();
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+}
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diff --git a/src/main/java/io/papermc/paper/block/fluid/type/FallingFluidData.java b/src/main/java/io/papermc/paper/block/fluid/type/FallingFluidData.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..7bd9f28ba646f09080b5c29b9d3be5af676c912e
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/block/fluid/type/FallingFluidData.java
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@@ -0,0 +1,16 @@
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+package io.papermc.paper.block.fluid.type;
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+
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+import io.papermc.paper.block.fluid.FluidData;
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+
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+/**
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+ * A specific subtype of {@link FluidData} that is returned by the API for fluid data of potentially falling fluids.
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+ */
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+public interface FallingFluidData extends FluidData {
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+
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+ /**
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+ * Get if this liquid is falling.
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+ *
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+ * @return true if falling
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+ */
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+ boolean isFalling();
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+}
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diff --git a/src/main/java/io/papermc/paper/block/fluid/type/FlowingFluidData.java b/src/main/java/io/papermc/paper/block/fluid/type/FlowingFluidData.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..fbccdffe8d73e517204081c73bca9154f8c7d69f
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/block/fluid/type/FlowingFluidData.java
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@@ -0,0 +1,10 @@
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+package io.papermc.paper.block.fluid.type;
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+
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+import io.papermc.paper.block.fluid.FluidData;
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+
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+/**
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+ * A specific subtype of {@link FluidData} that is returned by the API for fluid data of potentially falling fluids.
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+ */
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+public interface FlowingFluidData extends FallingFluidData {
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+
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+}
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diff --git a/src/main/java/org/bukkit/RegionAccessor.java b/src/main/java/org/bukkit/RegionAccessor.java
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index 43dd6c59cceba12f27e6b265acc3ad97eea37abd..eb33e8e671972aa308ad75a7ce9aa9ac526f470f 100644
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--- a/src/main/java/org/bukkit/RegionAccessor.java
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+++ b/src/main/java/org/bukkit/RegionAccessor.java
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@@ -102,6 +102,41 @@ public interface RegionAccessor extends Keyed { // Paper
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@NotNull
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BlockState getBlockState(int x, int y, int z);
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+ // Paper start - FluidState API
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+ /**
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+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the specified position.
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+ *
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+ * @param x The x-coordinate of the position
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+ * @param y The y-coordinate of the position
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+ * @param z The z-coordinate of the position
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+ * @return The {@link io.papermc.paper.block.fluid.FluidData} at the specified position
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+ */
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+ @NotNull
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+ io.papermc.paper.block.fluid.FluidData getFluidData(int x, int y, int z);
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+
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+ /**
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+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the given position
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+ *
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+ * @param position The position of the fluid
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+ * @return The fluid data at the given position
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+ */
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+ @NotNull
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+ default io.papermc.paper.block.fluid.FluidData getFluidData(@NotNull io.papermc.paper.math.Position position) {
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+ return getFluidData(position.blockX(), position.blockY(), position.blockZ());
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+ }
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+
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+ /**
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+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the given position
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+ *
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+ * @param location The location of the fluid
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+ * @return The fluid data at the given position
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+ */
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+ @NotNull
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+ default io.papermc.paper.block.fluid.FluidData getFluidData(@NotNull Location location) {
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+ return getFluidData(location.blockX(), location.blockY(), location.blockZ());
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+ }
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+ // Paper end
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+
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/**
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* Gets the {@link BlockData} at the given {@link Location}.
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*
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