diff --git a/.github/actions/setup_project_workspace/action.yml b/.github/actions/setup_project_workspace/action.yml
index 3ac7ab1c..595c4920 100644
--- a/.github/actions/setup_project_workspace/action.yml
+++ b/.github/actions/setup_project_workspace/action.yml
@@ -19,5 +19,5 @@ runs:
- uses: SpraxDev/Action-SpigotMC@v4
with:
- versions: 1.18.1, 1.18.2, 1.19, 1.19.2, 1.19.3, 1.19.4
+ versions: 1.18.1, 1.18.2, 1.19, 1.19.2, 1.19.3, 1.19.4, 1.20
remapped: true
diff --git a/NMS/NMS-v1_20_R1/pom.xml b/NMS/NMS-v1_20_R1/pom.xml
new file mode 100644
index 00000000..5e35d90f
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/pom.xml
@@ -0,0 +1,88 @@
+
+
+ 4.0.0
+
+
+ com.songoda
+ SongodaCore-Modules
+ 2.6.22
+ ../../pom.xml
+
+ SongodaCore-NMS-v1_20_R1
+
+
+ 17
+ 17
+
+ 1.20-R0.1-SNAPSHOT
+
+
+
+
+
+ net.md-5
+ specialsource-maven-plugin
+ 1.2.4
+
+
+
+ remap-obf
+ package
+
+ remap
+
+
+
+ org.spigotmc:minecraft-server:${nms.ver}:txt:maps-mojang
+ true
+ org.spigotmc:spigot:${nms.ver}:jar:remapped-mojang
+ true
+ remapped-obf
+
+
+
+
+ remap-spigot
+ package
+
+ remap
+
+
+
+ ${project.build.directory}/${project.artifactId}-${project.version}-remapped-obf.jar
+ org.spigotmc:minecraft-server:${nms.ver}:csrg:maps-spigot
+ org.spigotmc:spigot:${nms.ver}:jar:remapped-obf
+
+
+
+
+
+
+
+
+
+
+ org.spigotmc
+ spigot
+ ${nms.ver}
+ remapped-mojang
+ provided
+
+
+
+ ${project.groupId}
+ SongodaCore-NMS-API
+ ${project.version}
+ provided
+
+
+
+ ${project.groupId}
+ SongodaCore-Compatibility
+ ${project.version}
+ provided
+
+
+
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/NmsImplementationsImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/NmsImplementationsImpl.java
new file mode 100644
index 00000000..e79cd102
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/NmsImplementationsImpl.java
@@ -0,0 +1,54 @@
+package com.songoda.core.nms.v1_20_R1;
+
+import com.songoda.core.nms.NmsImplementations;
+import com.songoda.core.nms.anvil.AnvilCore;
+import com.songoda.core.nms.entity.NMSPlayer;
+import com.songoda.core.nms.nbt.NBTCore;
+import com.songoda.core.nms.v1_20_R1.entity.NMSPlayerImpl;
+import com.songoda.core.nms.v1_20_R1.nbt.NBTCoreImpl;
+import com.songoda.core.nms.v1_20_R1.world.NmsWorldBorderImpl;
+import com.songoda.core.nms.v1_20_R1.world.WorldCoreImpl;
+import com.songoda.core.nms.world.NmsWorldBorder;
+import com.songoda.core.nms.world.WorldCore;
+import org.jetbrains.annotations.NotNull;
+
+public class NmsImplementationsImpl implements NmsImplementations {
+ private final NMSPlayer player;
+ private final WorldCore world;
+ private final NmsWorldBorder worldBorder;
+ private final AnvilCore anvil;
+ private final NBTCore nbt;
+
+ public NmsImplementationsImpl() {
+ this.player = new NMSPlayerImpl();
+ this.world = new WorldCoreImpl();
+ this.worldBorder = new NmsWorldBorderImpl();
+ this.anvil = new com.songoda.core.nms.v1_20_R1.anvil.AnvilCore();
+ this.nbt = new NBTCoreImpl();
+ }
+
+ @Override
+ public @NotNull NMSPlayer getPlayer() {
+ return this.player;
+ }
+
+ @Override
+ public @NotNull WorldCore getWorld() {
+ return this.world;
+ }
+
+ @Override
+ public @NotNull NmsWorldBorder getWorldBorder() {
+ return this.worldBorder;
+ }
+
+ @Override
+ public @NotNull AnvilCore getAnvil() {
+ return this.anvil;
+ }
+
+ @Override
+ public @NotNull NBTCore getNbt() {
+ return this.nbt;
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilCore.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilCore.java
new file mode 100644
index 00000000..873e73a5
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilCore.java
@@ -0,0 +1,21 @@
+package com.songoda.core.nms.v1_20_R1.anvil;
+
+import com.songoda.core.nms.anvil.CustomAnvil;
+import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.InventoryHolder;
+
+public class AnvilCore implements com.songoda.core.nms.anvil.AnvilCore {
+ @Override
+ public CustomAnvil createAnvil(Player player) {
+ ServerPlayer p = ((CraftPlayer) player).getHandle();
+ return new AnvilView(p.nextContainerCounter(), p, null);
+ }
+
+ @Override
+ public CustomAnvil createAnvil(Player player, InventoryHolder holder) {
+ ServerPlayer p = ((CraftPlayer) player).getHandle();
+ return new AnvilView(p.nextContainerCounter(), p, holder);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilInventoryCustom.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilInventoryCustom.java
new file mode 100644
index 00000000..94f62b37
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilInventoryCustom.java
@@ -0,0 +1,22 @@
+package com.songoda.core.nms.v1_20_R1.anvil;
+
+import net.minecraft.world.Container;
+import net.minecraft.world.inventory.AnvilMenu;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftInventoryAnvil;
+import org.bukkit.inventory.InventoryHolder;
+
+public class AnvilInventoryCustom extends CraftInventoryAnvil {
+ final InventoryHolder holder;
+
+ public AnvilInventoryCustom(InventoryHolder holder, Location location, Container inventory, Container resultInventory, AnvilMenu container) {
+ super(location, inventory, resultInventory, container);
+
+ this.holder = holder;
+ }
+
+ @Override
+ public InventoryHolder getHolder() {
+ return this.holder;
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilView.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilView.java
new file mode 100644
index 00000000..f37ef960
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/anvil/AnvilView.java
@@ -0,0 +1,216 @@
+package com.songoda.core.nms.v1_20_R1.anvil;
+
+import com.songoda.core.nms.anvil.CustomAnvil;
+import com.songoda.core.nms.anvil.methods.AnvilTextChange;
+import net.md_5.bungee.api.chat.TranslatableComponent;
+import net.minecraft.core.BlockPos;
+import net.minecraft.network.chat.MutableComponent;
+import net.minecraft.network.chat.contents.TranslatableContents;
+import net.minecraft.network.protocol.game.ClientboundOpenScreenPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.Container;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.inventory.AbstractContainerMenu;
+import net.minecraft.world.inventory.AnvilMenu;
+import net.minecraft.world.inventory.ContainerLevelAccess;
+import net.minecraft.world.inventory.ItemCombinerMenu;
+import net.minecraft.world.inventory.MenuType;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftInventoryView;
+import org.bukkit.inventory.Inventory;
+import org.bukkit.inventory.InventoryHolder;
+import org.bukkit.inventory.ItemStack;
+
+import java.lang.reflect.Field;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+public class AnvilView extends AnvilMenu implements CustomAnvil {
+ private final ServerPlayer entity;
+ private final Inventory inventory;
+ private String customTitle = "Repairing";
+ private int cost = -1;
+ private boolean canUse = true;
+ private AnvilTextChange textChange;
+
+ // used for setting custom inventory
+ static Field mc_ContainerAnvil_repairInventory; // subcontainer with only the result
+ static Field mc_ContainerAnvil_resultInventory; // full inventory
+ static Field mc_ContainerAnvil_bukkitEntity;
+
+ static {
+ try {
+ mc_ContainerAnvil_repairInventory = ItemCombinerMenu.class.getDeclaredField("q");
+ mc_ContainerAnvil_repairInventory.setAccessible(true);
+
+ mc_ContainerAnvil_resultInventory = ItemCombinerMenu.class.getDeclaredField("r");
+ mc_ContainerAnvil_resultInventory.setAccessible(true);
+
+ mc_ContainerAnvil_bukkitEntity = AnvilMenu.class.getDeclaredField("bukkitEntity");
+ mc_ContainerAnvil_bukkitEntity.setAccessible(true);
+ } catch (Exception ex) {
+ Logger.getLogger(AnvilView.class.getName()).log(Level.SEVERE, "Anvil Setup Error", ex);
+ }
+ }
+
+ // 1.14 also introduced a title field, also private, which can only be set once and can't be checked
+ static Field mc_Container_title;
+
+ static {
+ try {
+ mc_Container_title = AbstractContainerMenu.class.getDeclaredField("title");
+ mc_Container_title.setAccessible(true);
+ } catch (Exception ex) {
+ Logger.getLogger(AnvilView.class.getName()).log(Level.SEVERE, "Anvil Setup Error", ex);
+ }
+ }
+
+ public AnvilView(int id, ServerPlayer entity, InventoryHolder holder) {
+ super(entity.nextContainerCounter(), entity.getInventory(), ContainerLevelAccess.create(entity.level(), new BlockPos(0, 0, 0)));
+
+ this.setTitle(MutableComponent.create(new TranslatableContents(this.customTitle != null ? this.customTitle : "", this.customTitle != null ? this.customTitle : "", new Object[0])));
+ this.checkReachable = false;
+ this.entity = entity;
+
+ if (holder != null) {
+ this.inventory = getBukkitView(entity, holder).getTopInventory();
+ } else {
+ this.inventory = getBukkitView().getTopInventory();
+ }
+ }
+
+ public CraftInventoryView getBukkitView(Player player, InventoryHolder holder) {
+ try {
+ AnvilInventoryCustom craftInventory = new AnvilInventoryCustom(holder,
+ new Location(entity.level().getWorld(), 0, 0, 0),
+ (Container) mc_ContainerAnvil_repairInventory.get(this),
+ (Container) mc_ContainerAnvil_resultInventory.get(this), this);
+ CraftInventoryView view = new CraftInventoryView(player.getBukkitEntity(), craftInventory, this);
+ mc_ContainerAnvil_bukkitEntity.set(this, view);
+
+ return view;
+ } catch (Exception ex) {
+ Logger.getLogger(AnvilView.class.getName()).log(Level.SEVERE, "Anvil Setup Error", ex);
+ }
+
+ return getBukkitView();
+ }
+
+ @Override
+ public boolean stillValid(Player entityHuman) {
+ return canUse;
+ }
+
+ @Override
+ public void broadcastFullState() {
+ super.broadcastFullState();
+
+ if (cost >= 0) {
+ this.setLevelCost(cost);
+ }
+
+ textChange.onChange();
+ }
+
+ @Override
+ public void update() {
+ broadcastFullState();
+ }
+
+ @Override
+ public String getRenameText() {
+ return this.itemName;
+ }
+
+ @Override
+ public void setRenameText(String text) {
+ this.setItemName(text);
+ }
+
+ @Override
+ public void setOnChange(AnvilTextChange handler) {
+ textChange = handler;
+ }
+
+ @Override
+ public String getCustomTitle() {
+ return customTitle;
+ }
+
+ @Override
+ public void setCustomTitle(String title) {
+ this.customTitle = title;
+
+ try {
+ mc_Container_title.set(this, MutableComponent.create(new TranslatableContents(this.customTitle != null ? this.customTitle : "", this.customTitle != null ? this.customTitle : "", new Object[0])));
+ } catch (Exception ex) {
+ Logger.getLogger(AnvilView.class.getName()).log(Level.SEVERE, "Anvil Error", ex);
+ }
+ }
+
+ @Override
+ public void setLevelCost(int cost) {
+ this.cost = cost;
+ }
+
+ @Override
+ public int getLevelCost() {
+ if (cost >= 0) {
+ return cost;
+ }
+
+ return this.getLevelCost();
+ }
+
+ @Override
+ public void setCanUse(boolean bool) {
+ this.canUse = bool;
+ }
+
+ @Override
+ public ItemStack getLeftInput() {
+ return inventory.getItem(0);
+ }
+
+ @Override
+ public ItemStack getRightInput() {
+ return inventory.getItem(1);
+ }
+
+ @Override
+ public ItemStack getOutput() {
+ return inventory.getItem(2);
+ }
+
+ @Override
+ public void setLeftInput(ItemStack item) {
+ inventory.setItem(0, item);
+ }
+
+ @Override
+ public void setRightInput(ItemStack item) {
+ inventory.setItem(1, item);
+ }
+
+ @Override
+ public void setOutput(ItemStack item) {
+ inventory.setItem(2, item);
+ }
+
+ @Override
+ public Inventory getInventory() {
+ return inventory;
+ }
+
+ @Override
+ public void open() {
+ // Send the packet
+ entity.connection.send(new ClientboundOpenScreenPacket(super.containerId, MenuType.ANVIL, MutableComponent.create(new TranslatableContents(this.customTitle != null ? this.customTitle : "", this.customTitle != null ? this.customTitle : "", new Object[0]))));
+
+ // Set their active container to this anvil
+ entity.containerMenu = this;
+
+ // Add the slot listener
+ entity.initMenu(entity.containerMenu);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/entity/NMSPlayerImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/entity/NMSPlayerImpl.java
new file mode 100644
index 00000000..1fd89f73
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/entity/NMSPlayerImpl.java
@@ -0,0 +1,13 @@
+package com.songoda.core.nms.v1_20_R1.entity;
+
+import com.songoda.core.nms.entity.NMSPlayer;
+import net.minecraft.network.protocol.Packet;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+public class NMSPlayerImpl implements NMSPlayer {
+ @Override
+ public void sendPacket(Player p, Object packet) {
+ ((CraftPlayer) p).getHandle().connection.send((Packet>) packet);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCompoundImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCompoundImpl.java
new file mode 100644
index 00000000..3734f7ab
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCompoundImpl.java
@@ -0,0 +1,208 @@
+package com.songoda.core.nms.v1_20_R1.nbt;
+
+import com.songoda.core.nms.nbt.NBTCompound;
+import com.songoda.core.nms.nbt.NBTObject;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtIo;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.util.Set;
+import java.util.UUID;
+
+public class NBTCompoundImpl implements NBTCompound {
+ protected CompoundTag compound;
+
+ protected NBTCompoundImpl(CompoundTag compound) {
+ this.compound = compound;
+ }
+
+ public NBTCompoundImpl() {
+ this.compound = new CompoundTag();
+ }
+
+ @Override
+ public NBTCompound set(String tag, String s) {
+ this.compound.putString(tag, s);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, boolean b) {
+ this.compound.putBoolean(tag, b);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, int i) {
+ this.compound.putInt(tag, i);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, double i) {
+ this.compound.putDouble(tag, i);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, long l) {
+ this.compound.putLong(tag, l);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, short s) {
+ this.compound.putShort(tag, s);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, byte b) {
+ this.compound.putByte(tag, b);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, int[] i) {
+ this.compound.putIntArray(tag, i);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, byte[] b) {
+ this.compound.putByteArray(tag, b);
+ return this;
+ }
+
+ @Override
+ public NBTCompound set(String tag, UUID u) {
+ this.compound.putUUID(tag, u);
+ return this;
+ }
+
+ @Override
+ public NBTCompound remove(String tag) {
+ this.compound.remove(tag);
+ return this;
+ }
+
+ @Override
+ public boolean has(String tag) {
+ return this.compound.contains(tag);
+ }
+
+ @Override
+ public NBTObject getNBTObject(String tag) {
+ return new NBTObjectImpl(this.compound, tag);
+ }
+
+ @Override
+ public String getString(String tag) {
+ return getNBTObject(tag).asString();
+ }
+
+ @Override
+ public boolean getBoolean(String tag) {
+ return getNBTObject(tag).asBoolean();
+ }
+
+ @Override
+ public int getInt(String tag) {
+ return getNBTObject(tag).asInt();
+ }
+
+ @Override
+ public double getDouble(String tag) {
+ return getNBTObject(tag).asDouble();
+ }
+
+ @Override
+ public long getLong(String tag) {
+ return getNBTObject(tag).asLong();
+ }
+
+ @Override
+ public short getShort(String tag) {
+ return getNBTObject(tag).asShort();
+ }
+
+ @Override
+ public byte getByte(String tag) {
+ return getNBTObject(tag).asByte();
+ }
+
+ @Override
+ public int[] getIntArray(String tag) {
+ return getNBTObject(tag).asIntArray();
+ }
+
+ @Override
+ public byte[] getByteArray(String tag) {
+ return getNBTObject(tag).asByteArray();
+ }
+
+ @Override
+ public NBTCompound getCompound(String tag) {
+ if (has(tag)) {
+ return getNBTObject(tag).asCompound();
+ }
+
+ CompoundTag newCompound = new CompoundTag();
+ this.compound.put(tag, newCompound);
+ return new NBTCompoundImpl(newCompound);
+ }
+
+ @Override
+ public Set getKeys() {
+ return this.compound.getAllKeys();
+ }
+
+ @Override
+ public Set getKeys(String tag) {
+ return this.compound.getCompound(tag).getAllKeys();
+ }
+
+ @Override
+ public byte[] serialize(String... exclusions) {
+ try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+ ObjectOutputStream dataOutput = new ObjectOutputStream(outputStream)) {
+ addExtras();
+ CompoundTag compound = this.compound.copy();
+
+ for (String exclusion : exclusions) {
+ compound.remove(exclusion);
+ }
+
+ NbtIo.writeCompressed(compound, dataOutput);
+
+ return outputStream.toByteArray();
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ }
+
+ return null;
+ }
+
+ @Override
+ public void deSerialize(byte[] serialized) {
+ try (ByteArrayInputStream inputStream = new ByteArrayInputStream(serialized);
+ ObjectInputStream dataInput = new ObjectInputStream(inputStream)) {
+ this.compound = NbtIo.readCompressed(dataInput);
+ } catch (Exception ex) {
+ ex.printStackTrace();
+ }
+ }
+
+ @Override
+ public void addExtras() {
+ // None
+ }
+
+ @Override
+ public String toString() {
+ return this.compound.toString();
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCoreImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCoreImpl.java
new file mode 100644
index 00000000..9bd485da
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTCoreImpl.java
@@ -0,0 +1,38 @@
+package com.songoda.core.nms.v1_20_R1.nbt;
+
+import com.songoda.core.nms.nbt.NBTCore;
+import com.songoda.core.nms.nbt.NBTEntity;
+import com.songoda.core.nms.nbt.NBTItem;
+import net.minecraft.nbt.CompoundTag;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Entity;
+import org.bukkit.inventory.ItemStack;
+
+public class NBTCoreImpl implements NBTCore {
+ @Deprecated
+ @Override
+ public NBTItem of(ItemStack item) {
+ return new NBTItemImpl(CraftItemStack.asNMSCopy(item));
+ }
+
+ @Deprecated
+ @Override
+ public NBTItem newItem() {
+ return new NBTItemImpl(null);
+ }
+
+ @Override
+ public NBTEntity of(Entity entity) {
+ net.minecraft.world.entity.Entity nmsEntity = ((CraftEntity) entity).getHandle();
+ CompoundTag nbt = new CompoundTag();
+ nmsEntity.saveWithoutId(nbt);
+
+ return new NBTEntityImpl(nbt, nmsEntity);
+ }
+
+ @Override
+ public NBTEntity newEntity() {
+ return new NBTEntityImpl(new CompoundTag(), null);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTEntityImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTEntityImpl.java
new file mode 100644
index 00000000..a24f76c0
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTEntityImpl.java
@@ -0,0 +1,66 @@
+package com.songoda.core.nms.v1_20_R1.nbt;
+
+import com.songoda.core.nms.nbt.NBTEntity;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.MobSpawnType;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+
+import java.util.Optional;
+
+public class NBTEntityImpl extends NBTCompoundImpl implements NBTEntity {
+ private Entity nmsEntity;
+
+ public NBTEntityImpl(CompoundTag entityNBT, Entity nmsEntity) {
+ super(entityNBT);
+
+ this.nmsEntity = nmsEntity;
+ }
+
+ @Override
+ public org.bukkit.entity.Entity spawn(Location location) {
+ String entityType = getNBTObject("entity_type").asString();
+ getKeys().remove("UUID");
+
+ Optional> optionalEntity = EntityType.byString(entityType);
+ if (optionalEntity.isPresent()) {
+ assert location.getWorld() != null;
+
+ Entity spawned = optionalEntity.get().spawn(
+ ((CraftWorld) location.getWorld()).getHandle(),
+ this.compound,
+ null,
+ new BlockPos(location.getBlockX(), location.getBlockY(), location.getBlockZ()),
+ MobSpawnType.COMMAND,
+ true,
+ false
+ );
+
+ if (spawned != null) {
+ spawned.load(this.compound);
+ org.bukkit.entity.Entity entity = spawned.getBukkitEntity();
+ entity.teleport(location);
+ this.nmsEntity = spawned;
+
+ return entity;
+ }
+ }
+
+ return null;
+ }
+
+ @Override
+ public org.bukkit.entity.Entity reSpawn(Location location) {
+ this.nmsEntity.discard();
+ return spawn(location);
+ }
+
+ @Override
+ public void addExtras() {
+ this.compound.putString("entity_type", BuiltInRegistries.ENTITY_TYPE.getKey(this.nmsEntity.getType()).toString());
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTItemImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTItemImpl.java
new file mode 100644
index 00000000..498ad9e1
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTItemImpl.java
@@ -0,0 +1,24 @@
+package com.songoda.core.nms.v1_20_R1.nbt;
+
+import com.songoda.core.nms.nbt.NBTItem;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.world.item.ItemStack;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
+
+public class NBTItemImpl extends NBTCompoundImpl implements NBTItem {
+ private final ItemStack nmsItem;
+
+ public NBTItemImpl(ItemStack nmsItem) {
+ super(nmsItem != null && nmsItem.hasTag() ? nmsItem.getTag() : new CompoundTag());
+
+ this.nmsItem = nmsItem;
+ }
+
+ public org.bukkit.inventory.ItemStack finish() {
+ if (this.nmsItem == null) {
+ return CraftItemStack.asBukkitCopy(ItemStack.of(this.compound));
+ }
+
+ return CraftItemStack.asBukkitCopy(this.nmsItem);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTObjectImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTObjectImpl.java
new file mode 100644
index 00000000..a0b45d7a
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/nbt/NBTObjectImpl.java
@@ -0,0 +1,72 @@
+package com.songoda.core.nms.v1_20_R1.nbt;
+
+import com.songoda.core.nms.nbt.NBTCompound;
+import com.songoda.core.nms.nbt.NBTObject;
+import net.minecraft.nbt.CompoundTag;
+
+import java.util.Set;
+
+public class NBTObjectImpl implements NBTObject {
+ private final CompoundTag compound;
+ private final String tag;
+
+ public NBTObjectImpl(CompoundTag compound, String tag) {
+ this.compound = compound;
+ this.tag = tag;
+ }
+
+ @Override
+ public String asString() {
+ return this.compound.getString(this.tag);
+ }
+
+ @Override
+ public boolean asBoolean() {
+ return this.compound.getBoolean(this.tag);
+ }
+
+ @Override
+ public int asInt() {
+ return this.compound.getInt(this.tag);
+ }
+
+ @Override
+ public double asDouble() {
+ return this.compound.getDouble(this.tag);
+ }
+
+ @Override
+ public long asLong() {
+ return this.compound.getLong(this.tag);
+ }
+
+ @Override
+ public short asShort() {
+ return this.compound.getShort(this.tag);
+ }
+
+ @Override
+ public byte asByte() {
+ return this.compound.getByte(this.tag);
+ }
+
+ @Override
+ public int[] asIntArray() {
+ return this.compound.getIntArray(this.tag);
+ }
+
+ @Override
+ public byte[] asByteArray() {
+ return this.compound.getByteArray(this.tag);
+ }
+
+ @Override
+ public NBTCompound asCompound() {
+ return new NBTCompoundImpl(this.compound.getCompound(this.tag));
+ }
+
+ @Override
+ public Set getKeys() {
+ return this.compound.getAllKeys();
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/NmsWorldBorderImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/NmsWorldBorderImpl.java
new file mode 100644
index 00000000..46e6e6d6
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/NmsWorldBorderImpl.java
@@ -0,0 +1,34 @@
+package com.songoda.core.nms.v1_20_R1.world;
+
+import com.songoda.core.nms.world.NmsWorldBorder;
+import net.minecraft.network.protocol.game.ClientboundInitializeBorderPacket;
+import net.minecraft.world.level.border.WorldBorder;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+import java.util.Objects;
+
+public class NmsWorldBorderImpl implements NmsWorldBorder {
+ @Override
+ public void send(Player player, BorderColor color, double size, Location center) {
+ Objects.requireNonNull(center.getWorld());
+
+ WorldBorder worldBorder = new WorldBorder();
+ worldBorder.world = ((CraftWorld) center.getWorld()).getHandle();
+
+ worldBorder.setCenter(center.getX(), center.getZ());
+ worldBorder.setSize(size);
+ worldBorder.setWarningTime(0);
+ worldBorder.setWarningBlocks(0);
+
+ if (color == BorderColor.GREEN) {
+ worldBorder.lerpSizeBetween(size - 0.1D, size, Long.MAX_VALUE);
+ } else if (color == BorderColor.RED) {
+ worldBorder.lerpSizeBetween(size, size - 1.0D, Long.MAX_VALUE);
+ }
+
+ ((CraftPlayer) player).getHandle().connection.send(new ClientboundInitializeBorderPacket(worldBorder));
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SItemStackImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SItemStackImpl.java
new file mode 100644
index 00000000..0dd5b64f
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SItemStackImpl.java
@@ -0,0 +1,39 @@
+package com.songoda.core.nms.v1_20_R1.world;
+
+import com.songoda.core.nms.world.SItemStack;
+import net.minecraft.core.particles.ItemParticleOption;
+import net.minecraft.core.particles.ParticleTypes;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.phys.Vec3;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public class SItemStackImpl implements SItemStack {
+ private final ItemStack item;
+
+ public SItemStackImpl(ItemStack item) {
+ this.item = item;
+ }
+
+ @Override
+ public void breakItem(Player player, int amount) {
+ ServerPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+
+ for (int i = 0; i < amount; ++i) {
+ Vec3 vec3d = new Vec3(((double) random.nextFloat() - 0.5D) * 0.1D, Math.random() * 0.1D + 0.1D, 0.0D);
+ vec3d = vec3d.xRot(-entityPlayer.getXRot() * 0.017453292F);
+ vec3d = vec3d.yRot(-entityPlayer.getYRot() * 0.017453292F);
+
+ double d0 = (double) (-random.nextFloat()) * 0.6D - 0.3D;
+
+ Vec3 vec3d1 = new Vec3(((double) random.nextFloat() - 0.5D) * 0.3D, d0, 0.6D);
+ vec3d1 = vec3d1.xRot(-entityPlayer.getXRot() * 0.017453292F);
+ vec3d1 = vec3d1.yRot(-entityPlayer.getYRot() * 0.017453292F);
+ vec3d1 = vec3d1.add(entityPlayer.getX(), entityPlayer.getEyeY(), entityPlayer.getZ());
+
+ entityPlayer.level().addParticle(new ItemParticleOption(ParticleTypes.ITEM, CraftItemStack.asNMSCopy(this.item)), vec3d1.x, vec3d1.y, vec3d1.z, vec3d.x, vec3d.y + 0.05D, vec3d.z);
+ }
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SSpawnerImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SSpawnerImpl.java
new file mode 100644
index 00000000..ed87b14e
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SSpawnerImpl.java
@@ -0,0 +1,132 @@
+package com.songoda.core.nms.v1_20_R1.world;
+
+import com.songoda.core.compatibility.CompatibleMaterial;
+import com.songoda.core.compatibility.CompatibleParticleHandler;
+import com.songoda.core.nms.world.SSpawner;
+import com.songoda.core.nms.world.SpawnedEntity;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.RandomSource;
+import net.minecraft.world.DifficultyInstance;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.Mob;
+import net.minecraft.world.entity.MobSpawnType;
+import net.minecraft.world.level.SpawnData;
+import org.bukkit.Location;
+import org.bukkit.block.BlockFace;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+
+import java.util.Optional;
+import java.util.Set;
+
+public class SSpawnerImpl implements SSpawner {
+ private final Location spawnerLocation;
+
+ public SSpawnerImpl(Location location) {
+ this.spawnerLocation = location;
+ }
+
+ @Override
+ public LivingEntity spawnEntity(EntityType type, Location spawnerLocation) {
+ return spawnEntity(type, "EXPLOSION_NORMAL", null, null);
+ }
+
+ @Override
+ public LivingEntity spawnEntity(EntityType type, String particleType, SpawnedEntity spawned, Set canSpawnOn) {
+ SpawnData data = new SpawnData();
+ CompoundTag compound = data.getEntityToSpawn();
+
+ String name = type.name().toLowerCase().replace("snowman", "snow_golem")
+ .replace("mushroom_cow", "mooshroom");
+ compound.putString("id", "minecraft:" + name);
+
+ short spawnRange = 4;
+ for (int i = 0; i < 50; i++) {
+ assert this.spawnerLocation.getWorld() != null;
+ ServerLevel world = ((CraftWorld) this.spawnerLocation.getWorld()).getHandle();
+
+ RandomSource random = world.getRandom();
+ double x = this.spawnerLocation.getX() + (random.nextDouble() - random.nextDouble()) * (double) spawnRange + 0.5D;
+ double y = this.spawnerLocation.getY() + random.nextInt(3) - 1;
+ double z = this.spawnerLocation.getZ() + (random.nextDouble() - random.nextDouble()) * (double) spawnRange + 0.5D;
+
+ Optional optionalEntity = net.minecraft.world.entity.EntityType.create(compound, world);
+ if (optionalEntity.isEmpty()) continue;
+
+ Entity entity = optionalEntity.get();
+ entity.setPos(x, y, z);
+
+ BlockPos position = entity.blockPosition();
+ DifficultyInstance damageScaler = world.getCurrentDifficultyAt(position);
+
+ if (!(entity instanceof Mob entityInsentient)) {
+ continue;
+ }
+
+ Location spot = new Location(this.spawnerLocation.getWorld(), x, y, z);
+
+ if (!canSpawn(world, entityInsentient, spot, canSpawnOn)) {
+ continue;
+ }
+
+ entityInsentient.finalizeSpawn(world, damageScaler, MobSpawnType.SPAWNER, null, null);
+
+ LivingEntity craftEntity = (LivingEntity) entity.getBukkitEntity();
+
+ if (spawned != null && !spawned.onSpawn(craftEntity)) {
+ return null;
+ }
+
+ if (particleType != null) {
+ float xx = (float) (0 + (Math.random() * 1));
+ float yy = (float) (0 + (Math.random() * 2));
+ float zz = (float) (0 + (Math.random() * 1));
+
+ CompatibleParticleHandler.spawnParticles(CompatibleParticleHandler.ParticleType.getParticle(particleType), spot, 5, xx, yy, zz, 0);
+ }
+
+ world.addFreshEntity(entity, CreatureSpawnEvent.SpawnReason.SPAWNER);
+
+ spot.setYaw(random.nextFloat() * 360.0F);
+ craftEntity.teleport(spot);
+
+ return craftEntity;
+ }
+
+ return null;
+ }
+
+ private boolean canSpawn(ServerLevel world, Mob entityInsentient, Location location, Set canSpawnOn) {
+ if (!world.noCollision(entityInsentient, entityInsentient.getBoundingBox())) {
+ return false;
+ }
+
+ CompatibleMaterial spawnedIn = CompatibleMaterial.getMaterial(location.getBlock());
+ CompatibleMaterial spawnedOn = CompatibleMaterial.getMaterial(location.getBlock().getRelative(BlockFace.DOWN));
+
+ if (spawnedIn == null || spawnedOn == null) {
+ return false;
+ }
+
+ if (!spawnedIn.isAir() &&
+ spawnedIn != CompatibleMaterial.WATER &&
+ !spawnedIn.name().contains("PRESSURE") &&
+ !spawnedIn.name().contains("SLAB")) {
+ return false;
+ }
+
+ for (CompatibleMaterial material : canSpawnOn) {
+ if (material == null) continue;
+
+ if (spawnedOn == material || material.isAir()) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SWorldImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SWorldImpl.java
new file mode 100644
index 00000000..88743f27
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/SWorldImpl.java
@@ -0,0 +1,52 @@
+package com.songoda.core.nms.v1_20_R1.world;
+
+import com.songoda.core.nms.world.SWorld;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.entity.LevelEntityGetter;
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R1.block.data.CraftBlockData;
+import org.bukkit.entity.LivingEntity;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class SWorldImpl implements SWorld {
+ private final World world;
+
+ public SWorldImpl(World world) {
+ this.world = world;
+ }
+
+ @Override
+ public List getLivingEntities() {
+ List result = new ArrayList<>();
+
+ ServerLevel worldServer = ((CraftWorld) this.world).getHandle();
+ LevelEntityGetter entities = worldServer.getEntities();
+
+ entities.getAll().forEach((mcEnt) -> {
+ org.bukkit.entity.Entity bukkitEntity = mcEnt.getBukkitEntity();
+
+ if (bukkitEntity instanceof LivingEntity && bukkitEntity.isValid()) {
+ result.add((LivingEntity) bukkitEntity);
+ }
+ });
+
+ return result;
+ }
+
+ @Override
+ public void setBlockFast(int x, int y, int z, Material material) {
+ ServerLevel serverLevel = ((CraftWorld) this.world).getHandle();
+ LevelChunk levelChunk = serverLevel.getChunk(x >> 4, z >> 4);
+ BlockState blockState = ((CraftBlockData) material.createBlockData()).getState();
+
+ levelChunk.setBlockState(new BlockPos(x & 0xF, y, z & 0xF), blockState, true);
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/WorldCoreImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/WorldCoreImpl.java
new file mode 100644
index 00000000..84e09b6e
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/WorldCoreImpl.java
@@ -0,0 +1,110 @@
+package com.songoda.core.nms.v1_20_R1.world;
+
+import com.songoda.core.nms.ReflectionUtils;
+import com.songoda.core.nms.v1_20_R1.world.spawner.BBaseSpawnerImpl;
+import com.songoda.core.nms.world.BBaseSpawner;
+import com.songoda.core.nms.world.SItemStack;
+import com.songoda.core.nms.world.SSpawner;
+import com.songoda.core.nms.world.SWorld;
+import com.songoda.core.nms.world.WorldCore;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.SectionPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.profiling.ProfilerFiller;
+import net.minecraft.world.level.BaseSpawner;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.ChunkStatus;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.chunk.LevelChunkSection;
+import net.minecraft.world.level.material.FluidState;
+import org.bukkit.Location;
+import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.block.CreatureSpawner;
+import org.bukkit.craftbukkit.v1_20_R1.CraftChunk;
+import org.bukkit.craftbukkit.v1_20_R1.block.CraftBlock;
+import org.bukkit.inventory.ItemStack;
+import org.jetbrains.annotations.NotNull;
+
+public class WorldCoreImpl implements WorldCore {
+ @Override
+ public SSpawner getSpawner(CreatureSpawner spawner) {
+ return new SSpawnerImpl(spawner.getLocation());
+ }
+
+ @Override
+ public SSpawner getSpawner(Location location) {
+ return new SSpawnerImpl(location);
+ }
+
+ @Override
+ public SItemStack getItemStack(ItemStack item) {
+ return new SItemStackImpl(item);
+ }
+
+ @Override
+ public SWorld getWorld(World world) {
+ return new SWorldImpl(world);
+ }
+
+ @Override
+ public BBaseSpawner getBaseSpawner(CreatureSpawner spawner) throws NoSuchFieldException, NoSuchMethodException, IllegalAccessException {
+ Object cTileEntity = ReflectionUtils.getFieldValue(spawner, "tileEntity");
+
+ return new BBaseSpawnerImpl(spawner, (BaseSpawner) ReflectionUtils.getFieldValue(cTileEntity, "a"));
+ }
+
+ /**
+ * Method is based on {@link ServerLevel#tickChunk(LevelChunk, int)}.
+ */
+ @Override
+ public void randomTickChunk(org.bukkit.Chunk bukkitChunk, int tickAmount) {
+ LevelChunk chunk = (LevelChunk) ((CraftChunk) bukkitChunk).getHandle(ChunkStatus.FULL);
+ ServerLevel world = chunk.r;
+ ProfilerFiller gameProfilerFiller = world.getProfiler();
+
+ ChunkPos chunkPos = chunk.getPos();
+ int j = chunkPos.getMinBlockX();
+ int k = chunkPos.getMinBlockZ();
+
+ gameProfilerFiller.push("tickBlocks");
+ if (tickAmount > 0) {
+ LevelChunkSection[] aChunkSection = chunk.getSections();
+
+ for (int j1 = 0; j1 < aChunkSection.length; ++j1) {
+ LevelChunkSection chunkSection = aChunkSection[j1];
+ if (chunkSection.isRandomlyTicking()) {
+ int l = chunk.getSectionYFromSectionIndex(j1);
+ int k1 = SectionPos.sectionToBlockCoord(l);
+
+ for (int i1 = 0; i1 < tickAmount; ++i1) {
+ BlockPos blockposition2 = world.getBlockRandomPos(j, k1, k, 15);
+ gameProfilerFiller.push("randomTick");
+ BlockState iblockdata3 = chunkSection.getBlockState(blockposition2.getX() - j, blockposition2.getY() - k1, blockposition2.getZ() - k);
+ if (iblockdata3.isRandomlyTicking()) {
+ iblockdata3.randomTick(world, blockposition2, world.random);
+ }
+
+ FluidState fluid = iblockdata3.getFluidState();
+ if (fluid.isRandomlyTicking()) {
+ fluid.randomTick(world, blockposition2, world.random);
+ }
+
+ gameProfilerFiller.pop();
+ }
+ }
+ }
+ }
+
+ gameProfilerFiller.pop();
+ }
+
+ @Override
+ public void updateAdjacentComparators(@NotNull Block bukkitBlock) {
+ CraftBlock craftBlock = (CraftBlock) bukkitBlock;
+ ServerLevel serverLevel = craftBlock.getCraftWorld().getHandle();
+
+ serverLevel.updateNeighbourForOutputSignal(craftBlock.getPosition(), craftBlock.getNMS().getBlock());
+ }
+}
diff --git a/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/spawner/BBaseSpawnerImpl.java b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/spawner/BBaseSpawnerImpl.java
new file mode 100644
index 00000000..a1574f64
--- /dev/null
+++ b/NMS/NMS-v1_20_R1/src/main/java/com/songoda/core/nms/v1_20_R1/world/spawner/BBaseSpawnerImpl.java
@@ -0,0 +1,215 @@
+package com.songoda.core.nms.v1_20_R1.world.spawner;
+
+import com.songoda.core.nms.world.BBaseSpawner;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.util.RandomSource;
+import net.minecraft.util.random.WeightedEntry;
+import net.minecraft.world.Difficulty;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.Mob;
+import net.minecraft.world.entity.MobSpawnType;
+import net.minecraft.world.entity.SpawnPlacements;
+import net.minecraft.world.level.BaseSpawner;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.LightLayer;
+import net.minecraft.world.level.SpawnData;
+import net.minecraft.world.level.gameevent.GameEvent;
+import net.minecraft.world.phys.AABB;
+import org.bukkit.block.CreatureSpawner;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.craftbukkit.v1_20_R1.block.CraftCreatureSpawner;
+import org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory;
+import org.bukkit.event.entity.CreatureSpawnEvent;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Optional;
+
+public class BBaseSpawnerImpl implements BBaseSpawner {
+ private final CreatureSpawner bukkitSpawner;
+ private final BaseSpawner spawner;
+
+ private final Method setNextSpawnDataMethod;
+ private final Method getOrCreateNextSpawnDataMethod;
+
+ public BBaseSpawnerImpl(CreatureSpawner bukkitSpawner, BaseSpawner spawner) throws NoSuchMethodException {
+ this.bukkitSpawner = bukkitSpawner;
+ this.spawner = spawner;
+
+ this.setNextSpawnDataMethod = this.spawner.getClass().getDeclaredMethod("a", Level.class, BlockPos.class, SpawnData.class);
+ if (!this.setNextSpawnDataMethod.canAccess(this.spawner)) {
+ this.setNextSpawnDataMethod.setAccessible(true);
+ }
+
+ this.getOrCreateNextSpawnDataMethod = this.spawner.getClass().getSuperclass().getDeclaredMethod("b", Level.class, RandomSource.class, BlockPos.class);
+ if (!this.getOrCreateNextSpawnDataMethod.canAccess(this.spawner)) {
+ this.getOrCreateNextSpawnDataMethod.setAccessible(true);
+ }
+ }
+
+ /**
+ * This method is based on {@link BaseSpawner#isNearPlayer(Level, BlockPos)}.
+ */
+ @SuppressWarnings("JavadocReference")
+ @Override
+ public boolean isNearPlayer() {
+ BlockPos bPos = getBlockPosition();
+ return getWorld().hasNearbyAlivePlayer(
+ (double) bPos.getX() + 0.5,
+ (double) bPos.getY() + 0.5,
+ (double) bPos.getZ() + 0.5,
+ this.spawner.requiredPlayerRange
+ );
+ }
+
+ /**
+ * This method is based on {@link BaseSpawner#serverTick(ServerLevel, BlockPos)}.
+ */
+ @Override
+ public void tick() throws InvocationTargetException, IllegalAccessException {
+ ServerLevel worldServer = getWorld();
+ BlockPos blockposition = getBlockPosition();
+
+ if (this.spawner.spawnDelay == -1) {
+ this.delay(worldServer, blockposition);
+ }
+
+ if (this.spawner.spawnDelay > 0) {
+ --this.spawner.spawnDelay;
+ return;
+ }
+
+ boolean flag = false;
+ RandomSource randomsource = worldServer.getRandom();
+ SpawnData mobSpawnerData = (SpawnData) this.getOrCreateNextSpawnDataMethod.invoke(this.spawner, worldServer, randomsource, blockposition);
+ int i = 0;
+
+ while (true) {
+ if (i >= this.spawner.spawnCount) {
+ if (flag) {
+ this.delay(worldServer, blockposition);
+ }
+ break;
+ }
+
+ CompoundTag nbttagcompound = mobSpawnerData.getEntityToSpawn();
+ Optional> optional = EntityType.by(nbttagcompound);
+ if (optional.isEmpty()) {
+ this.delay(worldServer, blockposition);
+ return;
+ }
+
+ ListTag nbttaglist = nbttagcompound.getList("Pos", 6);
+ int j = nbttaglist.size();
+ double d0 = j >= 1 ? nbttaglist.getDouble(0) : (double) blockposition.getX() + (randomsource.nextDouble() - randomsource.nextDouble()) * (double) this.spawner.spawnRange + 0.5;
+ double d1 = j >= 2 ? nbttaglist.getDouble(1) : (double) (blockposition.getY() + randomsource.nextInt(3) - 1);
+ double d2 = j >= 3 ? nbttaglist.getDouble(2) : (double) blockposition.getZ() + (randomsource.nextDouble() - randomsource.nextDouble()) * (double) this.spawner.spawnRange + 0.5;
+ if (worldServer.noCollision(optional.get().getAABB(d0, d1, d2))) {
+ label128:
+ {
+ BlockPos blockposition1 = BlockPos.containing(d0, d1, d2);
+ if (mobSpawnerData.getCustomSpawnRules().isPresent()) {
+ if (!optional.get().getCategory().isFriendly() && worldServer.getDifficulty() == Difficulty.PEACEFUL) {
+ break label128;
+ }
+
+ SpawnData.CustomSpawnRules mobspawnerdata_a = mobSpawnerData.getCustomSpawnRules().get();
+ if (!mobspawnerdata_a.blockLightLimit().isValueInRange(worldServer.getBrightness(LightLayer.BLOCK, blockposition1)) || !mobspawnerdata_a.skyLightLimit().isValueInRange(worldServer.getBrightness(LightLayer.SKY, blockposition1))) {
+ break label128;
+ }
+ } else if (!SpawnPlacements.checkSpawnRules((EntityType>) optional.get(), worldServer, MobSpawnType.SPAWNER, blockposition1, worldServer.getRandom())) {
+ break label128;
+ }
+
+ Entity entity = EntityType.loadEntityRecursive(nbttagcompound, worldServer, (entity1) -> {
+ entity1.moveTo(d0, d1, d2, entity1.getYRot(), entity1.getXRot());
+ return entity1;
+ });
+ if (entity == null) {
+ this.delay(worldServer, blockposition);
+ return;
+ }
+
+ int k = worldServer.getEntitiesOfClass(entity.getClass(), (new AABB(blockposition.getX(), blockposition.getY(), blockposition.getZ(), blockposition.getX() + 1, blockposition.getY() + 1, blockposition.getZ() + 1)).inflate(this.spawner.spawnRange)).size();
+ if (k >= this.spawner.maxNearbyEntities) {
+ this.delay(worldServer, blockposition);
+ return;
+ }
+
+ entity.moveTo(entity.getX(), entity.getY(), entity.getZ(), randomsource.nextFloat() * 360.0F, 0.0F);
+ if (entity instanceof Mob entityInsentient) {
+ if (mobSpawnerData.getCustomSpawnRules().isEmpty() && !entityInsentient.checkSpawnRules(worldServer, MobSpawnType.SPAWNER) || !entityInsentient.checkSpawnObstruction(worldServer)) {
+ break label128;
+ }
+
+ if (mobSpawnerData.getEntityToSpawn().size() == 1 && mobSpawnerData.getEntityToSpawn().contains("id", 8)) {
+ ((Mob) entity).finalizeSpawn(worldServer, worldServer.getCurrentDifficultyAt(entity.blockPosition()), MobSpawnType.SPAWNER, null, null);
+ }
+
+ if (entityInsentient.level().spigotConfig.nerfSpawnerMobs) {
+ entityInsentient.aware = false;
+ }
+ }
+
+ if (CraftEventFactory.callSpawnerSpawnEvent(entity, blockposition).isCancelled()) {
+ Entity vehicle = entity.getVehicle();
+ if (vehicle != null) {
+ vehicle.discard();
+ }
+
+ for (Entity passenger : entity.getIndirectPassengers()) {
+ passenger.discard();
+ }
+ } else {
+ if (!worldServer.tryAddFreshEntityWithPassengers(entity, CreatureSpawnEvent.SpawnReason.SPAWNER)) {
+ this.delay(worldServer, blockposition);
+ return;
+ }
+
+ worldServer.levelEvent(2004, blockposition, 0);
+ worldServer.gameEvent(entity, GameEvent.ENTITY_PLACE, blockposition1);
+ if (entity instanceof Mob) {
+ ((Mob) entity).spawnAnim();
+ }
+
+ flag = true;
+ }
+ }
+ }
+
+ ++i;
+ }
+ }
+
+ /**
+ * This method is based on {@link BaseSpawner#delay(Level, BlockPos)}.
+ */
+ @SuppressWarnings("JavadocReference")
+ private void delay(ServerLevel world, BlockPos bPos) throws InvocationTargetException, IllegalAccessException {
+ RandomSource randomsource = world.random;
+ if (this.spawner.maxSpawnDelay <= this.spawner.minSpawnDelay) {
+ this.spawner.spawnDelay = this.spawner.minSpawnDelay;
+ } else {
+ this.spawner.spawnDelay = this.spawner.minSpawnDelay + randomsource.nextInt(this.spawner.maxSpawnDelay - this.spawner.minSpawnDelay);
+ }
+
+ Optional> weightedEntry = this.spawner.spawnPotentials.getRandom(randomsource);
+ if (weightedEntry.isPresent()) {
+ this.setNextSpawnDataMethod.invoke(this.spawner, world, bPos, weightedEntry.get().getData());
+ }
+
+ this.spawner.broadcastEvent(world, bPos, 1);
+ }
+
+ private ServerLevel getWorld() {
+ return ((CraftWorld) this.bukkitSpawner.getWorld()).getHandle();
+ }
+
+ private BlockPos getBlockPosition() {
+ return ((CraftCreatureSpawner) this.bukkitSpawner).getPosition();
+ }
+}
diff --git a/NMS/NMS/pom.xml b/NMS/NMS/pom.xml
index eff98e7f..d1c34084 100644
--- a/NMS/NMS/pom.xml
+++ b/NMS/NMS/pom.xml
@@ -147,5 +147,11 @@
${project.groupId}
compile
+
+ ${project.version}
+ SongodaCore-NMS-v1_20_R1
+ ${project.groupId}
+ compile
+
diff --git a/pom.xml b/pom.xml
index a729574d..be88c51a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,6 +48,7 @@
NMS/NMS-v1_19_R1
NMS/NMS-v1_19_R2
NMS/NMS-v1_19_R3
+ NMS/NMS-v1_20_R1