31699ae9a8
* 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: a6a9d2a4 Remove some old ApiStatus.Experimental annotations be72314c SPIGOT-7300, PR-829: Add new DamageSource API providing enhanced information about entity damage b252cf05 SPIGOT-7576, PR-970: Add methods in MushroomCow to change stew effects b1c689bd PR-902: Add Server#isLoggingIPs to get log-ips configuration 08f86d1c PR-971: Add Player methods for client-side potion effects 2e3024a9 PR-963: Add API for in-world structures a23292a7 SPIGOT-7530, PR-948: Improve Resource Pack API with new 1.20.3 functionality 1851857b SPIGOT-3071, PR-969: Add entity spawn method with spawn reason cde4c52a SPIGOT-5553, PR-964: Add EntityKnockbackEvent CraftBukkit Changes: 38fd4bd50 Fix accidentally renamed internal damage method 80f0ce4be SPIGOT-7300, PR-1180: Add new DamageSource API providing enhanced information about entity damage 7e43f3b16 SPIGOT-7581: Fix typo in BlockMushroom ea14b7d90 SPIGOT-7576, PR-1347: Add methods in MushroomCow to change stew effects 4c687f243 PR-1259: Add Server#isLoggingIPs to get log-ips configuration 22a541a29 Improve support for per-world game rules cb7dccce2 PR-1348: Add Player methods for client-side potion effects b8d6109f0 PR-1335: Add API for in-world structures 4398a1b5b SPIGOT-7577: Make CraftWindCharge#explode discard the entity e74107678 Fix Crafter maximum stack size 0bb0f4f6a SPIGOT-7530, PR-1314: Improve Resource Pack API with new 1.20.3 functionality 4949f556d SPIGOT-3071, PR-1345: Add entity spawn method with spawn reason 20ac73ca2 PR-1353: Fix Structure#place not working as documented with 0 palette 3c1b77871 SPIGOT-6911, PR-1349: Change max book length in CraftMetaBook 333701839 SPIGOT-7572: Bee nests generated without bees f48f4174c SPIGOT-5553, PR-1336: Add EntityKnockbackEvent
181 Zeilen
13 KiB
Diff
181 Zeilen
13 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 14 Jan 2018 17:01:31 -0500
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Subject: [PATCH] PreCreatureSpawnEvent
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Adds an event to fire before an Entity is created, so that plugins that need to cancel
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CreatureSpawnEvent can do so from this event instead.
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Cancelling CreatureSpawnEvent rapidly causes a lot of garbage collection and CPU waste
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as it's done after the Entity object has been fully created.
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Mob Limiting plugins and blanket "ban this type of monster" plugins should use this event
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instead and save a lot of server resources.
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See: https://github.com/PaperMC/Paper/issues/917
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diff --git a/src/main/java/net/minecraft/util/SpawnUtil.java b/src/main/java/net/minecraft/util/SpawnUtil.java
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index b77ebe04f1018962b85110258c8a0a2db8612485..1954fdc7b72700d5948e93ebcb0e6a26fe244a1b 100644
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--- a/src/main/java/net/minecraft/util/SpawnUtil.java
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+++ b/src/main/java/net/minecraft/util/SpawnUtil.java
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@@ -22,10 +22,10 @@ public class SpawnUtil {
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public static <T extends Mob> Optional<T> trySpawnMob(EntityType<T> entityType, MobSpawnType reason, ServerLevel world, BlockPos pos, int tries, int horizontalRange, int verticalRange, SpawnUtil.Strategy requirements) {
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// CraftBukkit start
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- return SpawnUtil.trySpawnMob(entityType, reason, world, pos, tries, horizontalRange, verticalRange, requirements, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT);
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+ return SpawnUtil.trySpawnMob(entityType, reason, world, pos, tries, horizontalRange, verticalRange, requirements, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.DEFAULT, null); // Paper
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}
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- public static <T extends Mob> Optional<T> trySpawnMob(EntityType<T> entitytypes, MobSpawnType enummobspawn, ServerLevel worldserver, BlockPos blockposition, int i, int j, int k, SpawnUtil.Strategy spawnutil_a, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason) {
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+ public static <T extends Mob> Optional<T> trySpawnMob(EntityType<T> entitytypes, MobSpawnType enummobspawn, ServerLevel worldserver, BlockPos blockposition, int i, int j, int k, SpawnUtil.Strategy spawnutil_a, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason reason, @javax.annotation.Nullable Runnable onAbort) { // Paper
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// CraftBukkit end
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BlockPos.MutableBlockPos blockposition_mutableblockposition = blockposition.mutable();
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@@ -35,6 +35,22 @@ public class SpawnUtil {
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blockposition_mutableblockposition.setWithOffset(blockposition, i1, k, j1);
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if (worldserver.getWorldBorder().isWithinBounds((BlockPos) blockposition_mutableblockposition) && SpawnUtil.moveToPossibleSpawnPosition(worldserver, k, blockposition_mutableblockposition, spawnutil_a)) {
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+ // Paper start - PreCreatureSpawnEvent
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ io.papermc.paper.util.MCUtil.toLocation(worldserver, blockposition),
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+ org.bukkit.craftbukkit.entity.CraftEntityType.minecraftToBukkit(entitytypes),
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+ reason
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+ );
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+ if (!event.callEvent()) {
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+ if (event.shouldAbortSpawn()) {
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+ if (onAbort != null) {
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+ onAbort.run();
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+ }
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+ return Optional.empty();
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+ }
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+ break;
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+ }
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+ // Paper end - PreCreatureSpawnEvent
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T t0 = entitytypes.create(worldserver, (CompoundTag) null, null, blockposition_mutableblockposition, enummobspawn, false, false); // CraftBukkit - decompile error
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if (t0 != null) {
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diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
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index 382b55167dede435b034866bd394455f0f6f2a00..035af9ccf679a562203a4a2c4f2b38098c57b492 100644
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--- a/src/main/java/net/minecraft/world/entity/EntityType.java
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+++ b/src/main/java/net/minecraft/world/entity/EntityType.java
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@@ -418,6 +418,16 @@ public class EntityType<T extends Entity> implements FeatureElement, EntityTypeT
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@Nullable
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public T spawn(ServerLevel worldserver, @Nullable CompoundTag nbttagcompound, @Nullable Consumer<T> consumer, BlockPos blockposition, MobSpawnType enummobspawn, boolean flag, boolean flag1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
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// CraftBukkit end
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+ // Paper start - PreCreatureSpawnEvent
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ io.papermc.paper.util.MCUtil.toLocation(worldserver, blockposition),
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+ org.bukkit.craftbukkit.entity.CraftEntityType.minecraftToBukkit(this),
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+ spawnReason
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+ );
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+ if (!event.callEvent()) {
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+ return null;
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+ }
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+ // Paper end - PreCreatureSpawnEvent
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T t0 = this.create(worldserver, nbttagcompound, consumer, blockposition, enummobspawn, flag, flag1);
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if (t0 != null) {
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diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
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index f0d5e45d0d6ac51106379d20690d34a032a24c39..bfd156acbae31619234fffb1804726090802fbae 100644
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--- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
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+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
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@@ -975,7 +975,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
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}).limit(5L).collect(Collectors.toList());
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if (list1.size() >= requiredCount) {
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- if (!SpawnUtil.trySpawnMob(EntityType.IRON_GOLEM, MobSpawnType.MOB_SUMMONED, world, this.blockPosition(), 10, 8, 6, SpawnUtil.Strategy.LEGACY_IRON_GOLEM, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.VILLAGE_DEFENSE).isEmpty()) { // CraftBukkit
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+ if (SpawnUtil.trySpawnMob(EntityType.IRON_GOLEM, MobSpawnType.MOB_SUMMONED, world, this.blockPosition(), 10, 8, 6, SpawnUtil.Strategy.LEGACY_IRON_GOLEM, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.VILLAGE_DEFENSE, () -> {GolemSensor.golemDetected(this);}).isPresent()) { // CraftBukkit // Paper - Set Golem Last Seen to stop it from spawning another one
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list.forEach(GolemSensor::golemDetected);
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}
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}
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diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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index fdd1fd084c46b0220c9e7e0389e9b52e782d2878..0166c5ff685490cbf67a9d26f48cb1a0be754488 100644
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--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
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@@ -130,6 +130,20 @@ public abstract class BaseSpawner {
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} else if (!SpawnPlacements.checkSpawnRules((EntityType) optional.get(), world, MobSpawnType.SPAWNER, blockposition1, world.getRandom())) {
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continue;
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}
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+ // Paper start - PreCreatureSpawnEvent
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ io.papermc.paper.util.MCUtil.toLocation(world, d0, d1, d2),
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+ org.bukkit.craftbukkit.entity.CraftEntityType.minecraftToBukkit(optional.get()),
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+ org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER
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+ );
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+ if (!event.callEvent()) {
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+ flag = true;
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+ if (event.shouldAbortSpawn()) {
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+ break;
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+ }
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+ continue;
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+ }
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+ // Paper end - PreCreatureSpawnEvent
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Entity entity = EntityType.loadEntityRecursive(nbttagcompound, world, (entity1) -> {
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entity1.moveTo(d0, d1, d2, entity1.getYRot(), entity1.getXRot());
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diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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index 604766a286d00bb4b40c20482376fe80651beabe..352d230b365c512a4b9831265d3a57825f80fbfd 100644
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--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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@@ -213,7 +213,13 @@ public final class NaturalSpawner {
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j1 = biomesettingsmobs_c.minCount + world.random.nextInt(1 + biomesettingsmobs_c.maxCount - biomesettingsmobs_c.minCount);
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}
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- if (NaturalSpawner.isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2) && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
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+ // Paper start - PreCreatureSpawnEvent
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+ PreSpawnStatus doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
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+ if (doSpawning == PreSpawnStatus.ABORT) {
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+ return;
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+ }
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+ if (doSpawning == PreSpawnStatus.SUCCESS && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
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+ // Paper end - PreCreatureSpawnEvent
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Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);
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if (entityinsentient == null) {
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@@ -261,19 +267,40 @@ public final class NaturalSpawner {
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return squaredDistance <= 576.0D ? false : (world.getSharedSpawnPos().closerToCenterThan(new Vec3((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D), 24.0D) ? false : Objects.equals(new ChunkPos(pos), chunk.getPos()) || world.isNaturalSpawningAllowed((BlockPos) pos));
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}
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- private static boolean isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
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+ // Paper start - PreCreatureSpawnEvent
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+ private enum PreSpawnStatus {
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+ FAIL,
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+ SUCCESS,
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+ CANCELLED,
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+ ABORT
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+ }
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+ private static PreSpawnStatus isValidSpawnPostitionForType(ServerLevel world, MobCategory group, StructureManager structureAccessor, ChunkGenerator chunkGenerator, MobSpawnSettings.SpawnerData spawnEntry, BlockPos.MutableBlockPos pos, double squaredDistance) {
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+ // Paper end - PreCreatureSpawnEvent
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EntityType<?> entitytypes = spawnEntry.type;
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+ // Paper start - PreCreatureSpawnEvent
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ io.papermc.paper.util.MCUtil.toLocation(world, pos),
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+ org.bukkit.craftbukkit.entity.CraftEntityType.minecraftToBukkit(entitytypes), SpawnReason.NATURAL
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+ );
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+ if (!event.callEvent()) {
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+ if (event.shouldAbortSpawn()) {
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+ return PreSpawnStatus.ABORT;
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+ }
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+ return PreSpawnStatus.CANCELLED;
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+ }
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+ // Paper end - PreCreatureSpawnEvent
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if (entitytypes.getCategory() == MobCategory.MISC) {
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- return false;
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+ return PreSpawnStatus.FAIL; // Paper - PreCreatureSpawnEvent
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} else if (!entitytypes.canSpawnFarFromPlayer() && squaredDistance > (double) (entitytypes.getCategory().getDespawnDistance() * entitytypes.getCategory().getDespawnDistance())) {
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- return false;
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+ return PreSpawnStatus.FAIL; // Paper - PreCreatureSpawnEvent
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} else if (entitytypes.canSummon() && NaturalSpawner.canSpawnMobAt(world, structureAccessor, chunkGenerator, group, spawnEntry, pos)) {
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SpawnPlacements.Type entitypositiontypes_surface = SpawnPlacements.getPlacementType(entitytypes);
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- return !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D)));
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+ boolean isValid = !NaturalSpawner.isSpawnPositionOk(entitypositiontypes_surface, world, pos, entitytypes) ? false : (!SpawnPlacements.checkSpawnRules(entitytypes, world, MobSpawnType.NATURAL, pos, world.random) ? false : world.noCollision(entitytypes.getAABB((double) pos.getX() + 0.5D, (double) pos.getY(), (double) pos.getZ() + 0.5D))); // Paper - PreCreatureSpawnEvent
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+ return isValid ? PreSpawnStatus.SUCCESS : PreSpawnStatus.FAIL; // Paper - PreCreatureSpawnEvent
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} else {
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- return false;
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+ return PreSpawnStatus.FAIL; // Paper - PreCreatureSpawnEvent
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}
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}
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