/
BlockHelperImpl.java
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/
BlockHelperImpl.java
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package com.denizenscript.denizen.nms.v1_17.helpers;
import com.denizenscript.denizen.nms.util.jnbt.CompoundTagBuilder;
import com.denizenscript.denizen.nms.v1_17.ReflectionMappingsInfo;
import com.denizenscript.denizen.nms.v1_17.impl.jnbt.CompoundTagImpl;
import com.google.common.collect.Iterables;
import com.mojang.authlib.GameProfile;
import com.mojang.authlib.properties.Property;
import com.denizenscript.denizen.nms.interfaces.BlockHelper;
import com.denizenscript.denizen.nms.util.PlayerProfile;
import com.denizenscript.denizencore.utilities.ReflectionHelper;
import com.denizenscript.denizen.nms.util.jnbt.CompoundTag;
import com.denizenscript.denizencore.utilities.debugging.Debug;
import net.minecraft.core.BlockPos;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.item.BlockItem;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.chunk.LevelChunk;
import net.minecraft.world.level.material.PushReaction;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockState;
import org.bukkit.block.Skull;
import org.bukkit.block.data.BlockData;
import org.bukkit.craftbukkit.v1_17_R1.CraftChunk;
import org.bukkit.craftbukkit.v1_17_R1.CraftWorld;
import org.bukkit.craftbukkit.v1_17_R1.block.CraftBlockEntityState;
import org.bukkit.craftbukkit.v1_17_R1.block.CraftBlockState;
import org.bukkit.craftbukkit.v1_17_R1.block.CraftSkull;
import org.bukkit.craftbukkit.v1_17_R1.block.data.CraftBlockData;
import org.bukkit.craftbukkit.v1_17_R1.inventory.CraftItemStack;
import org.bukkit.craftbukkit.v1_17_R1.util.CraftMagicNumbers;
import org.bukkit.event.world.PortalCreateEvent;
import java.lang.invoke.MethodHandle;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.UUID;
public class BlockHelperImpl implements BlockHelper {
public static final Field craftBlockEntityState_tileEntity = ReflectionHelper.getFields(CraftBlockEntityState.class).get("tileEntity");
public static final Field craftBlockEntityState_snapshot = ReflectionHelper.getFields(CraftBlockEntityState.class).get("snapshot");
public static final Field craftSkull_profile = ReflectionHelper.getFields(CraftSkull.class).get("profile");
@Override
public void makeBlockStateRaw(BlockState state) {
try {
craftBlockEntityState_snapshot.set(state, craftBlockEntityState_tileEntity.get(state));
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
@Override
public void applyPhysics(Location location) {
BlockPos pos = new BlockPos(location.getBlockX(), location.getBlockY(), location.getBlockZ());
((CraftWorld) location.getWorld()).getHandle().updateNeighborsAt(pos, CraftMagicNumbers.getBlock(location.getBlock().getType()));
}
@Override
public BlockData parseBlockData(Material material, String otherData) {
return CraftBlockData.newData(material, otherData);
}
@Override
public List<Location> getBlocksList(PortalCreateEvent event) {
List<Location> blocks = new ArrayList<>();
for (org.bukkit.block.BlockState block : event.getBlocks()) {
blocks.add(block.getLocation());
}
return blocks;
}
public static <T extends BlockEntity> T getTE(CraftBlockEntityState<T> cbs) {
try {
return (T) craftBlockEntityState_tileEntity.get(cbs);
}
catch (IllegalAccessException e) {
Debug.echoError(e);
}
return null;
}
@Override
public PlayerProfile getPlayerProfile(Skull skull) {
GameProfile profile = getTE(((CraftSkull) skull)).owner;
if (profile == null) {
return null;
}
String name = profile.getName();
UUID id = profile.getId();
com.mojang.authlib.properties.Property property = Iterables.getFirst(profile.getProperties().get("textures"), null);
return new PlayerProfile(name, id, property != null ? property.getValue() : null);
}
@Override
public void setPlayerProfile(Skull skull, PlayerProfile playerProfile) {
GameProfile gameProfile = new GameProfile(playerProfile.getUniqueId(), playerProfile.getName());
if (playerProfile.hasTexture()) {
gameProfile.getProperties().put("textures",
new Property("textures", playerProfile.getTexture(), playerProfile.getTextureSignature()));
}
try {
craftSkull_profile.set(skull, gameProfile);
}
catch (Throwable ex) {
Debug.echoError(ex);
}
skull.update();
}
@Override
public CompoundTag getNbtData(Block block) {
BlockEntity te = ((CraftWorld) block.getWorld()).getHandle().getTileEntity(new BlockPos(block.getX(), block.getY(), block.getZ()), true);
if (te != null) {
net.minecraft.nbt.CompoundTag compound = new net.minecraft.nbt.CompoundTag();
te.save(compound);
return CompoundTagImpl.fromNMSTag(compound);
}
return null;
}
@Override
public void setNbtData(Block block, CompoundTag ctag) {
CompoundTagBuilder builder = ctag.createBuilder();
builder.putInt("x", block.getX());
builder.putInt("y", block.getY());
builder.putInt("z", block.getZ());
ctag = builder.build();
BlockPos blockPos = new BlockPos(block.getX(), block.getY(), block.getZ());
BlockEntity te = ((CraftWorld) block.getWorld()).getHandle().getTileEntity(blockPos, true);
te.load(((CompoundTagImpl) ctag).toNMSTag());
}
private static net.minecraft.world.level.block.Block getBlockFrom(Material material) {
if (material == Material.FLOWER_POT) {
return Blocks.FLOWER_POT;
}
ItemStack is = CraftItemStack.asNMSCopy(new org.bukkit.inventory.ItemStack(material));
if (is == null) {
return null;
}
Item item = is.getItem();
if (!(item instanceof BlockItem)) {
return null;
}
return ((BlockItem) item).getBlock();
}
@Override
public boolean hasBlock(Material material) {
return getBlockFrom(material) != null;
}
@Override
public boolean setBlockResistance(Material material, float resistance) {
net.minecraft.world.level.block.Block block = getBlockFrom(material);
if (block == null) {
return false;
}
ReflectionHelper.setFieldValue(net.minecraft.world.level.block.state.BlockBehaviour.class, ReflectionMappingsInfo.BlockBehaviour_explosionResistance, block, resistance);
return true;
}
@Override
public float getBlockResistance(Material material) {
net.minecraft.world.level.block.Block block = getBlockFrom(material);
if (block == null) {
return 0;
}
return ReflectionHelper.getFieldValue(net.minecraft.world.level.block.state.BlockBehaviour.class, ReflectionMappingsInfo.BlockBehaviour_explosionResistance, block);
}
@Override
public org.bukkit.block.BlockState generateBlockState(Block block, Material mat) {
CraftBlockState state = new CraftBlockState(block);
state.setData(CraftMagicNumbers.getBlock(mat).defaultBlockState());
return state;
}
public static final Field BLOCK_MATERIAL = ReflectionHelper.getFields(net.minecraft.world.level.block.state.BlockBehaviour.class).getFirstOfType(net.minecraft.world.level.material.Material.class);
public static final MethodHandle MATERIAL_PUSH_REACTION_SETTER = ReflectionHelper.getFinalSetterForFirstOfType(net.minecraft.world.level.material.Material.class, PushReaction.class);
public static final MethodHandle BLOCK_STRENGTH_SETTER = ReflectionHelper.getFinalSetterForFirstOfType(net.minecraft.world.level.block.state.BlockBehaviour.BlockStateBase.class, float.class); // destroySpeed
public net.minecraft.world.level.block.Block getMaterialBlock(Material bukkitMaterial) {
return ((CraftBlockData) bukkitMaterial.createBlockData()).getState().getBlock();
}
public net.minecraft.world.level.material.Material getInternalMaterial(Material bukkitMaterial) {
try {
return (net.minecraft.world.level.material.Material) BLOCK_MATERIAL.get(getMaterialBlock(bukkitMaterial));
}
catch (Throwable ex) {
Debug.echoError(ex);
return null;
}
}
@Override
public String getPushReaction(Material mat) {
return getInternalMaterial(mat).getPushReaction().name();
}
@Override
public void setPushReaction(Material mat, String reaction) {
try {
MATERIAL_PUSH_REACTION_SETTER.invoke(getInternalMaterial(mat), PushReaction.valueOf(reaction));
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
@Override
public float getBlockStength(Material mat) {
return getMaterialBlock(mat).defaultBlockState().destroySpeed;
}
@Override
public void setBlockStrength(Material mat, float strength) {
try {
BLOCK_STRENGTH_SETTER.invoke(getMaterialBlock(mat).defaultBlockState(), strength);
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
// This is to debork Spigot's class remapper mishandling 'getFluidState' which remaps 'FluidState' to 'material.FluidType' (incorrectly) in the call and thus errors out.
// TODO: 1.18: This might be fixed by Spigot and can be switched to raw method calls
// Relevant issue: https://hub.spigotmc.org/jira/browse/SPIGOT-6696
public static MethodHandle BLOCKSTATEBASE_GETFLUIDSTATE = ReflectionHelper.getMethodHandle(BlockBehaviour.BlockStateBase.class, "getFluid");
public static MethodHandle FLUIDSTATE_ISRANDOMLYTICKING = ReflectionHelper.getMethodHandle(BLOCKSTATEBASE_GETFLUIDSTATE.type().returnType(), "f");
public static MethodHandle FLUIDSTATE_ISEMPTY = ReflectionHelper.getMethodHandle(BLOCKSTATEBASE_GETFLUIDSTATE.type().returnType(), "isEmpty");
public static MethodHandle FLUIDSTATE_CREATELEGACYBLOCK = ReflectionHelper.getMethodHandle(BLOCKSTATEBASE_GETFLUIDSTATE.type().returnType(), "getBlockData");
public static MethodHandle FLUIDSTATE_ANIMATETICK = ReflectionHelper.getMethodHandle(BLOCKSTATEBASE_GETFLUIDSTATE.type().returnType(), "a", Level.class, BlockPos.class, Random.class);
@Override
public void doRandomTick(Location location) {
BlockPos pos = new BlockPos(location.getBlockX(), location.getBlockY(), location.getBlockZ());
LevelChunk nmsChunk = ((CraftChunk) location.getChunk()).getHandle();
net.minecraft.world.level.block.state.BlockState nmsBlock = nmsChunk.getBlockState(pos);
ServerLevel nmsWorld = ((CraftWorld) location.getWorld()).getHandle();
if (nmsBlock.isRandomlyTicking()) {
nmsBlock.randomTick(nmsWorld, pos, nmsWorld.random);
}
try {
// FluidState fluid = nmsBlock.getFluidState();
// if (fluid.isRandomlyTicking()) {
// fluid.animateTick(nmsWorld, pos, nmsWorld.random);
// }
Object fluid = BLOCKSTATEBASE_GETFLUIDSTATE.invoke(nmsBlock);
if ((boolean) FLUIDSTATE_ISRANDOMLYTICKING.invoke(fluid)) {
FLUIDSTATE_ANIMATETICK.invoke(fluid, nmsWorld, pos, nmsWorld.random);
}
}
catch (Throwable ex) {
Debug.echoError(ex);
}
}
}