PaperMC/patches/server/0837-Respect-randomizeData-on-more-entities-when-spawning.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 13 Jul 2023 16:10:07 -0700
Subject: [PATCH] Respect randomizeData on more entities when spawning

* ItemEntity
* PrimedTNT
* FireworkRocketEntity
* ExperienceOrb

diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
index 85b9224e9e999487abff15a008c7e37aae9b488b..829d44c718bddf813d71a08097bc0fa1f5825476 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
@@ -255,6 +255,13 @@ public final class CraftEntityTypes {
         entity.assignDirectionalMovement(new Vec3(direction.getX(), direction.getY(), direction.getZ()), 1.0);
     };
     private static final BiConsumer<SpawnData, net.minecraft.world.entity.Entity> ROT = (spawnData, entity) -> entity.setRot(spawnData.yaw(), spawnData.pitch()); // Paper
+    // Paper start - respect randomizeData
+    private static final BiConsumer<SpawnData, net.minecraft.world.entity.Entity> CLEAR_MOVE_IF_NOT_RANDOMIZED = (spawnData, entity) -> {
+        if (!spawnData.randomizeData()) {
+            entity.setDeltaMovement(net.minecraft.world.phys.Vec3.ZERO);
+        }
+    };
+    // Paper end - respect randomizeData
     private static final Map<Class<?>, EntityTypeData<?, ?>> CLASS_TYPE_DATA = new HashMap<>();
     private static final Map<EntityType, EntityTypeData<?, ?>> ENTITY_TYPE_DATA = new HashMap<>();
 
@@ -428,11 +435,12 @@ public final class CraftEntityTypes {
             net.minecraft.world.item.ItemStack itemStack = new net.minecraft.world.item.ItemStack(Items.STONE);
             ItemEntity item = new ItemEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), itemStack);
             item.setPickUpDelay(10);
+            CLEAR_MOVE_IF_NOT_RANDOMIZED.accept(spawnData, item); // Paper - respect randomizeData
 
             return item;
         }));
         register(new EntityTypeData<>(EntityType.EXPERIENCE_ORB, ExperienceOrb.class, CraftExperienceOrb::new,
-                spawnData -> new net.minecraft.world.entity.ExperienceOrb(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), 0, org.bukkit.entity.ExperienceOrb.SpawnReason.CUSTOM, null, null) // Paper
+                combine(combine(spawnData -> new net.minecraft.world.entity.ExperienceOrb(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), 0, org.bukkit.entity.ExperienceOrb.SpawnReason.CUSTOM, null, null), CLEAR_MOVE_IF_NOT_RANDOMIZED), (spawnData, experienceOrb) -> { if (!spawnData.randomizeData()) { experienceOrb.setYRot(0); } }) // Paper - respect randomizeData
         ));
         register(new EntityTypeData<>(EntityType.AREA_EFFECT_CLOUD, AreaEffectCloud.class, CraftAreaEffectCloud::new, createAndMove(net.minecraft.world.entity.EntityType.AREA_EFFECT_CLOUD))); // Paper - set area effect cloud rotation
         register(new EntityTypeData<>(EntityType.EGG, Egg.class, CraftEgg::new, spawnData -> new ThrownEgg(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), new net.minecraft.world.item.ItemStack(Items.EGG))));
@@ -443,12 +451,23 @@ public final class CraftEntityTypes {
             net.minecraft.world.entity.projectile.ThrownPotion entity = new net.minecraft.world.entity.projectile.ThrownPotion(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), new net.minecraft.world.item.ItemStack(Items.SPLASH_POTION));
             return entity;
         }));
-        register(new EntityTypeData<>(EntityType.TNT, TNTPrimed.class, CraftTNTPrimed::new, spawnData -> new PrimedTnt(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), null)));
+        register(new EntityTypeData<>(EntityType.TNT, TNTPrimed.class, CraftTNTPrimed::new, combine(spawnData -> new PrimedTnt(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), null), CLEAR_MOVE_IF_NOT_RANDOMIZED))); // Paper - respect randomizeData
         register(new EntityTypeData<>(EntityType.FALLING_BLOCK, FallingBlock.class, CraftFallingBlock::new, spawnData -> {
             BlockPos pos = BlockPos.containing(spawnData.x(), spawnData.y(), spawnData.z());
             return new FallingBlockEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), spawnData.world().getBlockState(pos)); // Paper - create falling block entities correctly
         }));
-        register(new EntityTypeData<>(EntityType.FIREWORK_ROCKET, Firework.class, CraftFirework::new, spawnData -> new FireworkRocketEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), FireworkRocketEntity.getDefaultItem()))); // Paper - pass correct default to rocket for data storage
+        // Paper start - respect randomizeData
+        register(new EntityTypeData<>(EntityType.FIREWORK_ROCKET, Firework.class, CraftFirework::new, spawnData -> {
+            FireworkRocketEntity entity = new FireworkRocketEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), FireworkRocketEntity.getDefaultItem()); // Paper - pass correct default to rocket for data storage
+            if (!spawnData.randomizeData()) {
+                // logic below was taken from FireworkRocketEntity constructor
+                entity.setDeltaMovement(0, 0.05, 0);
+                //noinspection PointlessArithmeticExpression
+                entity.lifetime = 10 * 1 + 6;
+            }
+            return entity;
+        }));
+        // Paper end - respect randomizeData
         register(new EntityTypeData<>(EntityType.EVOKER_FANGS, EvokerFangs.class, CraftEvokerFangs::new, spawnData -> new net.minecraft.world.entity.projectile.EvokerFangs(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), (float) Math.toRadians(spawnData.yaw()), 0, null)));
         register(new EntityTypeData<>(EntityType.COMMAND_BLOCK_MINECART, CommandMinecart.class, CraftMinecartCommand::new, createMinecart(net.minecraft.world.entity.EntityType.COMMAND_BLOCK_MINECART)));
         register(new EntityTypeData<>(EntityType.MINECART, RideableMinecart.class, CraftMinecartRideable::new, createMinecart(net.minecraft.world.entity.EntityType.MINECART)));