PaperMC/paper-server/patches/features/0001-Add-PaperHooks.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Mon, 16 Dec 2024 09:03:35 -0800
Subject: [PATCH] Add PaperHooks


diff --git a/ca/spottedleaf/moonrise/paper/PaperHooks.java b/ca/spottedleaf/moonrise/paper/PaperHooks.java
new file mode 100644
index 0000000000000000000000000000000000000000..834c5ce238c7adb0164a6282582d709348ef96cc
--- /dev/null
+++ b/ca/spottedleaf/moonrise/paper/PaperHooks.java
@@ -0,0 +1,240 @@
+package ca.spottedleaf.moonrise.paper;
+
+import ca.spottedleaf.moonrise.common.PlatformHooks;
+import com.mojang.datafixers.DSL;
+import com.mojang.datafixers.DataFixer;
+import com.mojang.serialization.Dynamic;
+import java.util.Collection;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtOps;
+import net.minecraft.server.level.ChunkHolder;
+import net.minecraft.server.level.GenerationChunkHolder;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.boss.EnderDragonPart;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.chunk.ProtoChunk;
+import net.minecraft.world.level.chunk.storage.SerializableChunkData;
+import net.minecraft.world.level.entity.EntityTypeTest;
+import net.minecraft.world.phys.AABB;
+import java.util.List;
+import java.util.function.Predicate;
+
+public final class PaperHooks implements PlatformHooks {
+
+    @Override
+    public String getBrand() {
+        return "Paper";
+    }
+
+    @Override
+    public int getLightEmission(final BlockState blockState, final BlockGetter world, final BlockPos pos) {
+        return blockState.getLightEmission();
+    }
+
+    @Override
+    public Predicate<BlockState> maybeHasLightEmission() {
+        return (final BlockState state) -> {
+            return state.getLightEmission() != 0;
+        };
+    }
+
+    @Override
+    public boolean hasCurrentlyLoadingChunk() {
+        return false;
+    }
+
+    @Override
+    public LevelChunk getCurrentlyLoadingChunk(final GenerationChunkHolder holder) {
+        return null;
+    }
+
+    @Override
+    public void setCurrentlyLoading(final GenerationChunkHolder holder, final LevelChunk levelChunk) {
+
+    }
+
+    @Override
+    public void chunkFullStatusComplete(final LevelChunk newChunk, final ProtoChunk original) {
+
+    }
+
+    @Override
+    public boolean allowAsyncTicketUpdates() {
+        return true;
+    }
+
+    @Override
+    public void onChunkHolderTicketChange(final ServerLevel world, final ChunkHolder holder, final int oldLevel, final int newLevel) {
+
+    }
+
+    @Override
+    public void chunkUnloadFromWorld(final LevelChunk chunk) {
+
+    }
+
+    @Override
+    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final SerializableChunkData data) {
+
+    }
+
+    @Override
+    public void onChunkWatch(final ServerLevel world, final LevelChunk chunk, final ServerPlayer player) {
+
+    }
+
+    @Override
+    public void onChunkUnWatch(final ServerLevel world, final ChunkPos chunk, final ServerPlayer player) {
+
+    }
+
+    @Override
+    public void addToGetEntities(final Level world, final Entity entity, final AABB boundingBox, final Predicate<? super Entity> predicate, final List<Entity> into) {
+        final Collection<EnderDragonPart> parts = world.dragonParts();
+        if (parts.isEmpty()) {
+            return;
+        }
+
+        for (final EnderDragonPart part : parts) {
+            if (part != entity && part.getBoundingBox().intersects(boundingBox) && (predicate == null || predicate.test(part))) {
+                into.add(part);
+            }
+        }
+    }
+
+    @Override
+    public <T extends Entity> void addToGetEntities(final Level world, final EntityTypeTest<Entity, T> entityTypeTest, final AABB boundingBox, final Predicate<? super T> predicate, final List<? super T> into, final int maxCount) {
+        if (into.size() >= maxCount) {
+            // fix neoforge issue: do not add if list is already full
+            return;
+        }
+
+        final Collection<EnderDragonPart> parts = world.dragonParts();
+        if (parts.isEmpty()) {
+            return;
+        }
+        for (final EnderDragonPart part : parts) {
+            if (!part.getBoundingBox().intersects(boundingBox)) {
+                continue;
+            }
+            final T casted = (T)entityTypeTest.tryCast(part);
+            if (casted != null && (predicate == null || predicate.test(casted))) {
+                into.add(casted);
+                if (into.size() >= maxCount) {
+                    break;
+                }
+            }
+        }
+    }
+
+    @Override
+    public void entityMove(final Entity entity, final long oldSection, final long newSection) {
+
+    }
+
+    @Override
+    public boolean screenEntity(final ServerLevel world, final Entity entity, final boolean fromDisk, final boolean event) {
+        return true;
+    }
+
+    @Override
+    public boolean configFixMC224294() {
+        return true;
+    }
+
+    @Override
+    public boolean configAutoConfigSendDistance() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingAdvanced.autoConfigSendDistance;
+    }
+
+    @Override
+    public double configPlayerMaxLoadRate() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingBasic.playerMaxChunkLoadRate;
+    }
+
+    @Override
+    public double configPlayerMaxGenRate() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingBasic.playerMaxChunkGenerateRate;
+    }
+
+    @Override
+    public double configPlayerMaxSendRate() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingBasic.playerMaxChunkSendRate;
+    }
+
+    @Override
+    public int configPlayerMaxConcurrentLoads() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingAdvanced.playerMaxConcurrentChunkLoads;
+    }
+
+    @Override
+    public int configPlayerMaxConcurrentGens() {
+        return io.papermc.paper.configuration.GlobalConfiguration.get().chunkLoadingAdvanced.playerMaxConcurrentChunkGenerates;
+    }
+
+    @Override
+    public long configAutoSaveInterval(final ServerLevel world) {
+        return world.paperConfig().chunks.autoSaveInterval.value();
+    }
+
+    @Override
+    public int configMaxAutoSavePerTick(final ServerLevel world) {
+        return world.paperConfig().chunks.maxAutoSaveChunksPerTick;
+    }
+
+    @Override
+    public boolean configFixMC159283() {
+        return true;
+    }
+
+    @Override
+    public boolean forceNoSave(final ChunkAccess chunk) {
+        return chunk instanceof LevelChunk levelChunk && levelChunk.mustNotSave;
+    }
+
+    @Override
+    public CompoundTag convertNBT(final DSL.TypeReference type, final DataFixer dataFixer, final CompoundTag nbt,
+                                  final int fromVersion, final int toVersion) {
+        return (CompoundTag)dataFixer.update(
+            type, new Dynamic<>(NbtOps.INSTANCE, nbt), fromVersion, toVersion
+        ).getValue();
+    }
+
+    @Override
+    public boolean hasMainChunkLoadHook() {
+        return false;
+    }
+
+    @Override
+    public void mainChunkLoad(final ChunkAccess chunk, final SerializableChunkData chunkData) {
+
+    }
+
+    @Override
+    public List<Entity> modifySavedEntities(final ServerLevel world, final int chunkX, final int chunkZ, final List<Entity> entities) {
+        return entities;
+    }
+
+    @Override
+    public void unloadEntity(final Entity entity) {
+        entity.setRemoved(Entity.RemovalReason.UNLOADED_TO_CHUNK, org.bukkit.event.entity.EntityRemoveEvent.Cause.UNLOAD);
+    }
+
+    @Override
+    public void postLoadProtoChunk(final ServerLevel world, final ProtoChunk chunk) {
+        net.minecraft.world.level.chunk.status.ChunkStatusTasks.postLoadProtoChunk(world, chunk.getEntities());
+    }
+
+    @Override
+    public int modifyEntityTrackingRange(final Entity entity, final int currentRange) {
+        return org.spigotmc.TrackingRange.getEntityTrackingRange(entity, currentRange);
+    }
+}