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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Fri, 19 Apr 2019 12:41:13 -0500
Subject: [PATCH] Mob Spawner API Enhancements
diff --git a/src/main/java/net/minecraft/world/level/BaseSpawner.java b/src/main/java/net/minecraft/world/level/BaseSpawner.java
index 30930a24c197c45f2ed86eaf7a150252005e7a37..c0f33a6cb4812e13204552c125df06210adc7196 100644
--- a/src/main/java/net/minecraft/world/level/BaseSpawner.java
+++ b/src/main/java/net/minecraft/world/level/BaseSpawner.java
@@ -230,7 +230,13 @@ public abstract class BaseSpawner {
}
public void load(@Nullable Level world, BlockPos pos, CompoundTag nbt) {
+ // Paper start - use larger int if set
+ if (nbt.contains("Paper.Delay")) {
+ this.spawnDelay = nbt.getInt("Paper.Delay");
+ } else {
this.spawnDelay = nbt.getShort("Delay");
+ }
+ // Paper end
boolean flag = nbt.contains("SpawnPotentials", 9);
boolean flag1 = nbt.contains("SpawnData", 10);
@@ -266,9 +272,15 @@ public abstract class BaseSpawner {
}
}
+ // Paper start - use ints if set
+ if (nbt.contains("Paper.MinSpawnDelay", 99)) {
+ this.minSpawnDelay = nbt.getInt("Paper.MinSpawnDelay");
+ this.maxSpawnDelay = nbt.getInt("Paper.MaxSpawnDelay");
+ this.spawnCount = nbt.getShort("SpawnCount");
+ } else // Paper end
if (nbt.contains("MinSpawnDelay", 99)) {
- this.minSpawnDelay = nbt.getShort("MinSpawnDelay");
- this.maxSpawnDelay = nbt.getShort("MaxSpawnDelay");
+ this.minSpawnDelay = nbt.getInt("MinSpawnDelay"); // Paper - short -> int
+ this.maxSpawnDelay = nbt.getInt("MaxSpawnDelay"); // Paper - short -> int
this.spawnCount = nbt.getShort("SpawnCount");
}
@@ -285,9 +297,20 @@ public abstract class BaseSpawner {
}
public CompoundTag save(CompoundTag nbt) {
- nbt.putShort("Delay", (short) this.spawnDelay);
- nbt.putShort("MinSpawnDelay", (short) this.minSpawnDelay);
- nbt.putShort("MaxSpawnDelay", (short) this.maxSpawnDelay);
+ // Paper start
+ if (spawnDelay > Short.MAX_VALUE) {
+ nbt.putInt("Paper.Delay", this.spawnDelay);
+ }
+ nbt.putShort("Delay", (short) Math.min(Short.MAX_VALUE, this.spawnDelay));
+
+ if (minSpawnDelay > Short.MAX_VALUE || maxSpawnDelay > Short.MAX_VALUE) {
+ nbt.putInt("Paper.MinSpawnDelay", this.minSpawnDelay);
+ nbt.putInt("Paper.MaxSpawnDelay", this.maxSpawnDelay);
+ }
+
+ nbt.putShort("MinSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.minSpawnDelay));
+ nbt.putShort("MaxSpawnDelay", (short) Math.min(Short.MAX_VALUE, this.maxSpawnDelay));
+ // Paper nbt
nbt.putShort("SpawnCount", (short) this.spawnCount);
nbt.putShort("MaxNearbyEntities", (short) this.maxNearbyEntities);
nbt.putShort("RequiredPlayerRange", (short) this.requiredPlayerRange);
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
index 6c427b15f78970912bae881f5aba1cfae2a4ba53..3877376619d633f48e37b6c854ae7df77ccca456 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftCreatureSpawner.java
@@ -116,4 +116,30 @@ public class CraftCreatureSpawner extends CraftBlockEntityState<SpawnerBlockEnti
public void setSpawnRange(int spawnRange) {
this.getSnapshot().getSpawner().spawnRange = spawnRange;
}
+
+ // Paper start
+ @Override
+ public boolean isActivated() {
+ return this.getSnapshot().getSpawner().isNearPlayer(world.getHandle(), getPosition());
+ }
+
+ @Override
+ public void resetTimer() {
+ this.getSnapshot().getSpawner().delay(world.getHandle(), getPosition());
+ }
+
+ @Override
+ public void setSpawnedItem(org.bukkit.inventory.ItemStack itemStack) {
+ Preconditions.checkArgument(itemStack != null && !itemStack.getType().isAir(), "spawners cannot spawn air");
+ net.minecraft.world.item.ItemStack item = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(itemStack);
+ net.minecraft.nbt.CompoundTag compound = new net.minecraft.nbt.CompoundTag();
+ net.minecraft.nbt.CompoundTag entity = new net.minecraft.nbt.CompoundTag();
+ entity.putString("id", net.minecraft.core.Registry.ENTITY_TYPE.getKey(net.minecraft.world.entity.EntityType.ITEM).toString());
+ entity.put("Item", item.save(new net.minecraft.nbt.CompoundTag()));
+ compound.put("Entity", entity);
+ compound.putInt("Weight", this.getSnapshotNBT().contains("Weight", org.bukkit.craftbukkit.util.CraftMagicNumbers.NBT.TAG_ANY_NUMBER) ? this.getSnapshotNBT().getInt("Weight") : 1);
+ this.getSnapshot().getSpawner().setNextSpawnData(world.getHandle(), getPosition(), new net.minecraft.world.level.SpawnData(compound, java.util.Optional.empty())); // 1.18 todo - is empty optional correct
+ this.getSnapshot().getSpawner().spawnPotentials = net.minecraft.util.random.SimpleWeightedRandomList.empty(); // 1.18 todo - previously used removed field, check
+ }
+ // Paper end
}
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