fix compile issues

1 files changed, 165 insertions, 0 deletions

diff --git a/patches/api/0443-Add-FluidState-API.patch b/patches/api/0443-Add-FluidState-API.patch
new file mode 100644
index 0000000000..8f786918cb
--- /dev/null
+++ b/patches/api/0443-Add-FluidState-API.patch
@@ -0,0 +1,165 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: vicisacat <[email protected]>
+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..0750219fc68261e5c396636967e0b633ae17b72e
+--- /dev/null
++++ b/src/main/java/io/papermc/paper/block/fluid/FluidData.java
+@@ -0,0 +1,69 @@
++package io.papermc.paper.block.fluid;
++
++import org.bukkit.Fluid;
++import org.bukkit.Location;
++import org.bukkit.util.Vector;
++import org.jetbrains.annotations.Range;
++import org.jspecify.annotations.NullMarked;
++
++/**
++ * 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}.
++ */
++@NullMarked
++public interface FluidData extends Cloneable {
++
++    /**
++     * Gets the fluid type of this fluid data.
++     *
++     * @return the fluid type
++     */
++    Fluid getFluidType();
++
++    /**
++     * Returns a copy of this FluidData.
++     *
++     * @return a copy of the fluid data
++     */
++    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
++     */
++    Vector computeFlowDirection(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(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}.
+      *