BetterEnd/src/main/java/ru/betterend/blocks/basis/BlockSign.java

package ru.betterend.blocks.basis;

import java.io.Reader;

import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
import net.minecraft.block.AbstractSignBlock;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.ShapeContext;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.entity.LivingEntity;
import net.minecraft.entity.player.PlayerEntity;
import net.minecraft.fluid.FluidState;
import net.minecraft.fluid.Fluids;
import net.minecraft.item.DyeItem;
import net.minecraft.item.ItemPlacementContext;
import net.minecraft.item.ItemStack;
import net.minecraft.network.packet.s2c.play.SignEditorOpenS2CPacket;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.state.StateManager;
import net.minecraft.state.property.BooleanProperty;
import net.minecraft.state.property.IntProperty;
import net.minecraft.state.property.Properties;
import net.minecraft.util.ActionResult;
import net.minecraft.util.BlockMirror;
import net.minecraft.util.BlockRotation;
import net.minecraft.util.Hand;
import net.minecraft.util.Identifier;
import net.minecraft.util.SignType;
import net.minecraft.util.hit.BlockHitResult;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.math.MathHelper;
import net.minecraft.util.registry.Registry;
import net.minecraft.util.shape.VoxelShape;
import net.minecraft.world.BlockView;
import net.minecraft.world.World;
import net.minecraft.world.WorldAccess;
import net.minecraft.world.WorldView;
import ru.betterend.blocks.entities.ESignBlockEntity;
import ru.betterend.interfaces.Patterned;

public class BlockSign extends AbstractSignBlock implements Patterned {
	public static final IntProperty ROTATION = Properties.ROTATION;
	public static final BooleanProperty FLOOR = BooleanProperty.of("floor");
	private static final VoxelShape[] WALL_SHAPES = new VoxelShape[] {
			Block.createCuboidShape(0.0D, 4.5D, 14.0D, 16.0D, 12.5D, 16.0D),
			Block.createCuboidShape(0.0D, 4.5D, 0.0D, 2.0D, 12.5D, 16.0D),
			Block.createCuboidShape(0.0D, 4.5D, 0.0D, 16.0D, 12.5D, 2.0D),
			Block.createCuboidShape(14.0D, 4.5D, 0.0D, 16.0D, 12.5D, 16.0D) };

	private final Block parent;
	
	public BlockSign(Block source) {
		super(FabricBlockSettings.copyOf(source).noCollision().nonOpaque(), SignType.OAK);
		this.setDefaultState(this.stateManager.getDefaultState().with(ROTATION, 0).with(FLOOR, true).with(WATERLOGGED, false));
		this.parent = source;
	}

	@Override
	protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
		builder.add(ROTATION, FLOOR, WATERLOGGED);
	}

	@Override
	public VoxelShape getOutlineShape(BlockState state, BlockView view, BlockPos pos, ShapeContext ePos) {
		return state.get(FLOOR) ? SHAPE : WALL_SHAPES[state.get(ROTATION) >> 2];
	}

	@Override
	public BlockEntity createBlockEntity(BlockView world) {
		return new ESignBlockEntity();
	}

	@Override
	public ActionResult onUse(BlockState state, World world, BlockPos pos, PlayerEntity player, Hand hand, BlockHitResult hit) {
		ItemStack itemStack = player.getStackInHand(hand);
		boolean bl = itemStack.getItem() instanceof DyeItem && player.abilities.allowModifyWorld;
		if (world.isClient) {
			return bl ? ActionResult.SUCCESS : ActionResult.CONSUME;
		} else {
			BlockEntity blockEntity = world.getBlockEntity(pos);
			if (blockEntity instanceof ESignBlockEntity) {
				ESignBlockEntity signBlockEntity = (ESignBlockEntity) blockEntity;
				if (bl) {
					boolean bl2 = signBlockEntity.setTextColor(((DyeItem) itemStack.getItem()).getColor());
					if (bl2 && !player.isCreative()) {
						itemStack.decrement(1);
					}
				}
				return signBlockEntity.onActivate(player) ? ActionResult.SUCCESS : ActionResult.PASS;
			} else {
				return ActionResult.PASS;
			}
		}
	}

	@Override
	public void onPlaced(World world, BlockPos pos, BlockState state, LivingEntity placer,
			ItemStack itemStack) {
		if (placer != null && placer instanceof PlayerEntity) {
			ESignBlockEntity sign = (ESignBlockEntity) world.getBlockEntity(pos);
			if (!world.isClient) {
				sign.setEditor((PlayerEntity) placer);
				((ServerPlayerEntity) placer).networkHandler.sendPacket(new SignEditorOpenS2CPacket(pos));
			} else
				sign.setEditable(true);
		}
	}

	@Override
	public BlockState getStateForNeighborUpdate(BlockState state, Direction facing, BlockState neighborState,
			WorldAccess world, BlockPos pos, BlockPos neighborPos) {
		if ((Boolean) state.get(WATERLOGGED)) {
			world.getFluidTickScheduler().schedule(pos, Fluids.WATER, Fluids.WATER.getTickRate(world));
		}

		return super.getStateForNeighborUpdate(state, facing, neighborState, world, pos, neighborPos);
	}

	@Override
	public BlockState getPlacementState(ItemPlacementContext ctx) {
		if (ctx.getSide() == Direction.UP) {
			FluidState fluidState = ctx.getWorld().getFluidState(ctx.getBlockPos());
			return this.getDefaultState().with(FLOOR, true)
					.with(ROTATION, MathHelper.floor((180.0 + ctx.getPlayerYaw() * 16.0 / 360.0) + 0.5 - 12) & 15)
					.with(WATERLOGGED, fluidState.getFluid() == Fluids.WATER);
		} else if (ctx.getSide() != Direction.DOWN) {
			BlockState blockState = this.getDefaultState();
			FluidState fluidState = ctx.getWorld().getFluidState(ctx.getBlockPos());
			WorldView worldView = ctx.getWorld();
			BlockPos blockPos = ctx.getBlockPos();
			Direction[] directions = ctx.getPlacementDirections();
			Direction[] var7 = directions;
			int var8 = directions.length;

			for (int var9 = 0; var9 < var8; ++var9) {
				Direction direction = var7[var9];
				if (direction.getAxis().isHorizontal()) {
					Direction direction2 = direction.getOpposite();
					int rot = MathHelper.floor((180.0 + direction2.asRotation() * 16.0 / 360.0) + 0.5 + 4) & 15;
					blockState = blockState.with(ROTATION, rot);
					if (blockState.canPlaceAt(worldView, blockPos)) {
						return blockState.with(FLOOR, false).with(WATERLOGGED, fluidState.getFluid() == Fluids.WATER);
					}
				}
			}
		}

		return null;
	}
	
	@Override
	public String getStatesPattern(Reader data) {
		Identifier blockId = Registry.BLOCK.getId(this);
		Identifier parentId = Registry.BLOCK.getId(parent);
		return Patterned.createJson(data, parentId, blockId.getPath());
	}
	
	@Override
	public String getModelPattern(String path) {
		Identifier blockId = Registry.BLOCK.getId(this);
		Identifier parentId = Registry.BLOCK.getId(parent);
		if (path.contains("item")) {
			return Patterned.createJson(Patterned.ITEM_MODEL, blockId.getPath());
		}
		return Patterned.createJson(Patterned.BLOCK_EMPTY, parentId.getPath());
	}
	
	@Override
	public Identifier statePatternId() {
		return Patterned.STATE_SIMPLE;
	}
	
	@Override
	public BlockState rotate(BlockState state, BlockRotation rotation) {
		return (BlockState) state.with(ROTATION, rotation.rotate((Integer) state.get(ROTATION), 16));
	}

	@Override
	public BlockState mirror(BlockState state, BlockMirror mirror) {
		return (BlockState) state.with(ROTATION, mirror.mirror((Integer) state.get(ROTATION), 16));
	}
}