PaperMC/patches/api/0456-Add-FluidState-API.patch
Jake Potrebic ac554ad46d
Updated Upstream (Bukkit/CraftBukkit) (#10691)
Updated Upstream (Bukkit/CraftBukkit)

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:
fa99e752 PR-1007: Add ItemMeta#getAsComponentString()
94a91782 Fix copy-pasted BlockType.Typed documentation
9b34ac8c Largely restore deprecated PotionData API
51a6449b PR-1008: Deprecate ITEMS_TOOLS, removed in 1.20.5
702d15fe Fix Javadoc reference
42f6cdf4 PR-919: Add internal ItemType and BlockType, delegate Material methods to them
237bb37b SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent
035ea146 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it
8c7880fb PR-1004: Improve field rename handling and centralize conversion between bukkit and string more
87c90e93 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent

CraftBukkit Changes:
4af0f22e8 SPIGOT-7664: Item meta should prevail over block states
c2ccc46ec SPIGOT-7666: Fix access to llama and horse special slot
124ac66d7 SPIGOT-7665: Fix ThrownPotion#getEffects() implementation only bringing custom effects
66f1f439a Restore null page behaviour of signed books even though not strictly allowed by API
6118e5398 Fix regression listening to minecraft:brand custom payloads
c1a26b366 Fix unnecessary and potential not thread-safe chat visibility check
12360a7ec Remove unused imports
147b098b4 PR-1397: Add ItemMeta#getAsComponentString()
428aefe0e Largely restore deprecated PotionData API
afe5b5ee9 PR-1275: Add internal ItemType and BlockType, delegate Material methods to them
8afeafa7d SPIGOT-1166, SPIGOT-7647: Expose Damager BlockState in EntityDamageByBlockEvent
4e7d749d4 SPIGOT-6993: Allow #setVelocity to change the speed of a fireball and add a note to #setDirection about it
441880757 Support both entity_data and bucket_entity_data on axolotl/fish buckets
0e22fdd1e Fix custom direct BlockState being not correctly set in DamageSource
f2182ed47 SPIGOT-7659: TropicalFishBucketMeta should use BUCKET_ENTITY_DATA
2a6207fe1 PR-1393: Improve field rename handling and centralize conversion between bukkit and string more
c024a5039 SPIGOT-7650: Add DamageSource for EntityDeathEvent and PlayerDeathEvent
741b84480 PR-1390: Improve internal handling of damage sources
0364df4e1 SPIGOT-7657: Error when loading angry entities
2024-05-11 23:48:37 +02:00

164 lines
6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: vicisacat <victor.branchu@gmail.com>
Date: Fri, 17 Nov 2023 20:21:47 +0100
Subject: [PATCH] Add FluidState API
diff --git a/src/main/java/io/papermc/paper/block/fluid/FluidData.java b/src/main/java/io/papermc/paper/block/fluid/FluidData.java
new file mode 100644
index 0000000000000000000000000000000000000000..913acd58547d97cafc1466f6e2b3b4d22cf0b02d
--- /dev/null
+++ b/src/main/java/io/papermc/paper/block/fluid/FluidData.java
@@ -0,0 +1,68 @@
+package io.papermc.paper.block.fluid;
+
+import org.bukkit.Fluid;
+import org.bukkit.Location;
+import org.bukkit.util.Vector;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Range;
+
+/**
+ * A representation of a fluid in a specific state of data.
+ * This type is not linked to a specific location and hence mostly resembles a {@link org.bukkit.block.data.BlockData}.
+ */
+public interface FluidData extends Cloneable {
+
+ /**
+ * Gets the fluid type of this fluid data.
+ *
+ * @return the fluid type
+ */
+ @NotNull Fluid getFluidType();
+
+ /**
+ * Returns a copy of this FluidData.
+ *
+ * @return a copy of the fluid data
+ */
+ @NotNull FluidData clone();
+
+ /**
+ * Computes the direction of the flow of the liquid at the given location as a vector.
+ * <p>
+ * This method requires the passed location's chunk to be loaded.
+ * If said chunk is not loaded when this method is called, the chunk will first be loaded prior to the computation
+ * which leads to a potentially slow sync chunk load.
+ *
+ * @param location - the location to check the liquid flow
+ * @return the flow direction vector at the given location
+ */
+ @NotNull Vector computeFlowDirection(@NotNull Location location);
+
+ /**
+ * Returns the level of liquid this fluid data holds.
+ *
+ * @return the amount as an integer, between 0 and 8
+ */
+ @Range(from = 0, to = 8)
+ int getLevel();
+
+ /**
+ * Computes the height of the fluid in the world.
+ * <p>
+ * This method requires the passed location's chunk to be loaded.
+ * If said chunk is not loaded when this method is called, the chunk will first be loaded prior to the computation
+ * which leads to a potentially slow sync chunk load.
+ *
+ * @param location the location at which to check the high of this fluid data.
+ * @return the height as a float value
+ */
+ @Range(from = 0, to = 1)
+ float computeHeight(@NotNull Location location);
+
+ /**
+ * Returns whether this fluid is a source block
+ *
+ * @return true if the fluid is a source block, false otherwise
+ */
+ boolean isSource();
+}
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
new file mode 100644
index 0000000000000000000000000000000000000000..7bd9f28ba646f09080b5c29b9d3be5af676c912e
--- /dev/null
+++ b/src/main/java/io/papermc/paper/block/fluid/type/FallingFluidData.java
@@ -0,0 +1,16 @@
+package io.papermc.paper.block.fluid.type;
+
+import io.papermc.paper.block.fluid.FluidData;
+
+/**
+ * A specific subtype of {@link FluidData} that is returned by the API for fluid data of potentially falling fluids.
+ */
+public interface FallingFluidData extends FluidData {
+
+ /**
+ * Get if this liquid is falling.
+ *
+ * @return true if falling
+ */
+ boolean isFalling();
+}
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
new file mode 100644
index 0000000000000000000000000000000000000000..fbccdffe8d73e517204081c73bca9154f8c7d69f
--- /dev/null
+++ b/src/main/java/io/papermc/paper/block/fluid/type/FlowingFluidData.java
@@ -0,0 +1,10 @@
+package io.papermc.paper.block.fluid.type;
+
+import io.papermc.paper.block.fluid.FluidData;
+
+/**
+ * A specific subtype of {@link FluidData} that is returned by the API for fluid data of potentially falling fluids.
+ */
+public interface FlowingFluidData extends FallingFluidData {
+
+}
diff --git a/src/main/java/org/bukkit/RegionAccessor.java b/src/main/java/org/bukkit/RegionAccessor.java
index 43dd6c59cceba12f27e6b265acc3ad97eea37abd..eb33e8e671972aa308ad75a7ce9aa9ac526f470f 100644
--- a/src/main/java/org/bukkit/RegionAccessor.java
+++ b/src/main/java/org/bukkit/RegionAccessor.java
@@ -102,6 +102,41 @@ public interface RegionAccessor extends Keyed { // Paper
@NotNull
BlockState getBlockState(int x, int y, int z);
+ // Paper start - FluidState API
+ /**
+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the specified position.
+ *
+ * @param x The x-coordinate of the position
+ * @param y The y-coordinate of the position
+ * @param z The z-coordinate of the position
+ * @return The {@link io.papermc.paper.block.fluid.FluidData} at the specified position
+ */
+ @NotNull
+ io.papermc.paper.block.fluid.FluidData getFluidData(int x, int y, int z);
+
+ /**
+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the given position
+ *
+ * @param position The position of the fluid
+ * @return The fluid data at the given position
+ */
+ @NotNull
+ default io.papermc.paper.block.fluid.FluidData getFluidData(@NotNull io.papermc.paper.math.Position position) {
+ return getFluidData(position.blockX(), position.blockY(), position.blockZ());
+ }
+
+ /**
+ * Gets the {@link io.papermc.paper.block.fluid.FluidData} at the given position
+ *
+ * @param location The location of the fluid
+ * @return The fluid data at the given position
+ */
+ @NotNull
+ default io.papermc.paper.block.fluid.FluidData getFluidData(@NotNull Location location) {
+ return getFluidData(location.blockX(), location.blockY(), location.blockZ());
+ }
+ // Paper end
+
/**
* Gets the {@link BlockData} at the given {@link Location}.
*