PaperMC/patches/api/0462-Add-FluidState-API.patch
Nassim Jahnke 71c84c8132
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#10277)
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:
9a80d38c SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-722: Add EntityRemoveEvent
258086d9 SPIGOT-7417, PR-967: Add Sign#getTargetSide and Sign#getAllowedEditor
ffaba051 SPIGOT-7584: Add missing Tag.ITEMS_NON_FLAMMABLE_WOOD

CraftBukkit Changes:
98b6c1ac7 SPIGOT-7589 Fix NullPointerException when bans expire
a2736ddb0 SPIGOT-336, SPIGOT-3366, SPIGOT-5768, SPIGOT-6409, SPIGOT-6861, PR-1008: Add EntityRemoveEvent
5bf12cb89 SPIGOT-7565: Throw a more descriptive error message when a developer tries to spawn an entity from a CraftBukkit class
76d95fe7e SPIGOT-7417, PR-1343: Add Sign#getTargetSide and Sign#getAllowedEditor

Spigot Changes:
e9ec5485 Rebuild patches
f1b62e0c Rebuild patches
2024-02-23 14:37:33 +01:00

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}.
*