mworzala/DisplayEntity.java

## DisplayEntity.java
package net.hollowcube.mapmaker.map.entity.impl;

import net.hollowcube.mapmaker.map.entity.MapEntity;
import net.hollowcube.mapmaker.map.util.NbtUtil;
import net.kyori.adventure.nbt.*;
import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
import net.minestom.server.coordinate.Vec;
import net.minestom.server.entity.EntityType;
import net.minestom.server.entity.metadata.display.AbstractDisplayMeta;
import net.minestom.server.entity.metadata.display.BlockDisplayMeta;
import net.minestom.server.entity.metadata.display.ItemDisplayMeta;
import net.minestom.server.entity.metadata.display.TextDisplayMeta;
import net.minestom.server.item.ItemStack;
import net.minestom.server.utils.nbt.BinaryTagSerializer;
import org.jetbrains.annotations.NotNull;

import java.util.List;
import java.util.UUID;

import static net.kyori.adventure.nbt.FloatBinaryTag.floatBinaryTag;

public class DisplayEntity extends MapEntity {
    private static final BinaryTagSerializer<AbstractDisplayMeta.BillboardConstraints> BILLBOARD_CONSTRAINTS = BinaryTagSerializer.fromEnumStringable(AbstractDisplayMeta.BillboardConstraints.class);

    protected DisplayEntity(@NotNull EntityType entityType, @NotNull UUID uuid) {
        super(entityType, uuid);

        setNoGravity(true);
        hasPhysics = false;
    }

    @Override
    public @NotNull AbstractDisplayMeta getEntityMeta() {
        return (AbstractDisplayMeta) super.getEntityMeta();
    }

    @Override
    public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
        super.writeData(tag);

        final AbstractDisplayMeta meta = getEntityMeta();
        if (meta.getTransformationInterpolationStartDelta() != 0)
            tag.putInt("start_interpolation", meta.getTransformationInterpolationStartDelta());
        if (meta.getTransformationInterpolationDuration() != 0)
            tag.putInt("interpolation_duration", meta.getTransformationInterpolationDuration());
        if (meta.getPosRotInterpolationDuration() != 0)
            tag.putInt("teleport_duration", meta.getPosRotInterpolationDuration());

        // Write transformation as decomposed form always.
        var transformationTag = CompoundBinaryTag.builder();
        var translation = meta.getTranslation();
        if (!translation.isZero()) {
            var elems = List.<BinaryTag>of(floatBinaryTag((float) translation.x()), floatBinaryTag((float) translation.y()), floatBinaryTag((float) translation.z()));
            transformationTag.put("translation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
        }
        var scale = meta.getScale();
        if (!scale.isZero()) {
            var elems = List.<BinaryTag>of(floatBinaryTag((float) scale.x()), floatBinaryTag((float) scale.y()), floatBinaryTag((float) scale.z()));
            transformationTag.put("scale", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
        }
        var leftRotation = meta.getLeftRotation();
        if (leftRotation[0] != 0 || leftRotation[1] != 0 || leftRotation[2] != 0 || leftRotation[3] != 0) {
            var elems = List.<BinaryTag>of(floatBinaryTag(leftRotation[0]), floatBinaryTag(leftRotation[1]), floatBinaryTag(leftRotation[2]), floatBinaryTag(leftRotation[3]));
            transformationTag.put("left_rotation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
        }
        var rightRotation = meta.getRightRotation();
        if (rightRotation[0] != 0 || rightRotation[1] != 0 || rightRotation[2] != 0 || rightRotation[3] != 0) {
            var elems = List.<BinaryTag>of(floatBinaryTag(rightRotation[0]), floatBinaryTag(rightRotation[1]), floatBinaryTag(rightRotation[2]), floatBinaryTag(rightRotation[3]));
            transformationTag.put("right_rotation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
        }
        var transformation = transformationTag.build();
        if (transformation.size() > 0) tag.put("transformation", transformation);

        if (meta.getBillboardRenderConstraints() != AbstractDisplayMeta.BillboardConstraints.FIXED)
            tag.put("billboard", BILLBOARD_CONSTRAINTS.write(meta.getBillboardRenderConstraints()));
        //todo brightness override
        if (meta.getViewRange() != 0)
            tag.putFloat("view_range", meta.getViewRange());
        if (meta.getShadowRadius() != 0)
            tag.putFloat("shadow_radius", meta.getShadowRadius());
        if (meta.getShadowStrength() != 0)
            tag.putFloat("shadow_strength", meta.getShadowStrength());
        if (meta.getWidth() != 0)
            tag.putFloat("width", meta.getWidth());
        if (meta.getHeight() != 0)
            tag.putFloat("height", meta.getHeight());
        if (meta.getGlowColorOverride() != 0)
            tag.putInt("glow_color_override", meta.getGlowColorOverride());
    }

    @Override
    public void readData(@NotNull CompoundBinaryTag tag) {
        super.readData(tag);

        final AbstractDisplayMeta meta = getEntityMeta();
        if (tag.get("start_interpolation") instanceof NumberBinaryTag startInterpolation)
            meta.setTransformationInterpolationStartDelta(startInterpolation.intValue());
        if (tag.get("interpolation_duration") instanceof NumberBinaryTag interpolationDuration)
            meta.setTransformationInterpolationDuration(interpolationDuration.intValue());
        if (tag.get("teleport_duration") instanceof NumberBinaryTag teleportDuration)
            meta.setPosRotInterpolationDuration(teleportDuration.intValue());
        var transformationTag = tag.get("transformation");
        if (transformationTag instanceof CompoundBinaryTag transform) {
            if (transform.get("translation") instanceof ListBinaryTag translate && translate.size() == 3 && translate.elementType() == BinaryTagTypes.FLOAT)
                meta.setTranslation(new Vec(translate.getFloat(0), translate.getFloat(1), translate.getFloat(2)));
            if (transform.get("scale") instanceof ListBinaryTag scale && scale.size() == 3 && scale.elementType() == BinaryTagTypes.FLOAT)
                meta.setScale(new Vec(scale.getFloat(0), scale.getFloat(1), scale.getFloat(2)));
            if (transform.get("left_rotation") instanceof ListBinaryTag leftRot && leftRot.size() == 4 && leftRot.elementType() == BinaryTagTypes.FLOAT)
                meta.setLeftRotation(new float[]{leftRot.getFloat(0), leftRot.getFloat(1), leftRot.getFloat(2), leftRot.getFloat(3)});
            if (transform.get("right_rotation") instanceof ListBinaryTag rightRot && rightRot.size() == 4 && rightRot.elementType() == BinaryTagTypes.FLOAT)
                meta.setRightRotation(new float[]{rightRot.getFloat(0), rightRot.getFloat(1), rightRot.getFloat(2), rightRot.getFloat(3)});
        } else if (transformationTag instanceof ListBinaryTag transformation && transformation.size() == 16 && transformation.elementType() == BinaryTagTypes.FLOAT) {
            // https://github.com/apache/commons-math/blob/ffcdf39f8fa7ccd19c5c21a73fccb90c753592cd/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/SingularValueDecomposition.java#L53
            throw new UnsupportedOperationException("SVD is not supported yet.");
        }
        if (tag.get("billboard") instanceof StringBinaryTag billboardName)
            meta.setBillboardRenderConstraints(BILLBOARD_CONSTRAINTS.read(billboardName));
        //todo brightness override
        if (tag.get("view_range") instanceof NumberBinaryTag viewRange)
            meta.setViewRange(viewRange.floatValue());
        if (tag.get("shadow_radius") instanceof NumberBinaryTag shadowRadius)
            meta.setShadowRadius(shadowRadius.floatValue());
        if (tag.get("shadow_strength") instanceof NumberBinaryTag shadowStrength)
            meta.setShadowStrength(shadowStrength.floatValue());
        if (tag.get("width") instanceof NumberBinaryTag width)
            meta.setWidth(width.floatValue());
        if (tag.get("height") instanceof NumberBinaryTag height)
            meta.setHeight(height.floatValue());
        if (tag.get("glow_color_override") instanceof NumberBinaryTag glowColor)
            meta.setGlowColorOverride(glowColor.intValue());
    }

    public static class Block extends DisplayEntity {

        public Block(@NotNull UUID uuid) {
            super(EntityType.BLOCK_DISPLAY, uuid);
        }

        @Override
        public @NotNull BlockDisplayMeta getEntityMeta() {
            return (BlockDisplayMeta) super.getEntityMeta();
        }

        @Override
        public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
            super.writeData(tag);

            final BlockDisplayMeta meta = getEntityMeta();
            var block = net.minestom.server.instance.block.Block.fromStateId((short) meta.getBlockStateId());
            if (block != null && !block.isAir())
                tag.put("block_state", NbtUtil.BLOCK_COMPOUND.write(block));

        }

        @Override
        public void readData(@NotNull CompoundBinaryTag tag) {
            super.readData(tag);

            final BlockDisplayMeta meta = getEntityMeta();
            if (tag.get("block_state") instanceof CompoundBinaryTag blockState) {
                var block = NbtUtil.BLOCK_COMPOUND.read(blockState);
                if (!block.isAir()) meta.setBlockState(block.stateId());
            }
        }

    }

    public static class Item extends DisplayEntity {
        private static final BinaryTagSerializer<ItemDisplayMeta.DisplayContext> DISPLAY_CONTEXT = BinaryTagSerializer.fromEnumStringable(ItemDisplayMeta.DisplayContext.class);

        public Item(@NotNull UUID uuid) {
            super(EntityType.ITEM_DISPLAY, uuid);
        }

        @Override
        public @NotNull ItemDisplayMeta getEntityMeta() {
            return (ItemDisplayMeta) super.getEntityMeta();
        }

        @Override
        public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
            super.writeData(tag);

            final ItemDisplayMeta meta = getEntityMeta();
            var itemStack = meta.getItemStack();
            if (!itemStack.isAir() && itemStack.amount() > 0)
                tag.put("item", ItemStack.NBT_TYPE.write(itemStack));
            if (meta.getDisplayContext() != ItemDisplayMeta.DisplayContext.NONE)
                tag.put("item_display", DISPLAY_CONTEXT.write(meta.getDisplayContext()));
        }

        @Override
        public void readData(@NotNull CompoundBinaryTag tag) {
            super.readData(tag);

            final ItemDisplayMeta meta = getEntityMeta();
            if (tag.get("item") instanceof CompoundBinaryTag item)
                meta.setItemStack(ItemStack.NBT_TYPE.read(item));
            if (tag.get("item_display") instanceof StringBinaryTag itemDisplay)
                meta.setDisplayContext(DISPLAY_CONTEXT.read(itemDisplay));

        }

    }

    public static class Text extends DisplayEntity {

        public Text(@NotNull UUID uuid) {
            super(EntityType.TEXT_DISPLAY, uuid);
        }

        @Override
        public @NotNull TextDisplayMeta getEntityMeta() {
            return (TextDisplayMeta) super.getEntityMeta();
        }

        @Override
        public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
            super.writeData(tag);

            final TextDisplayMeta meta = getEntityMeta();
            tag.putString("text", GsonComponentSerializer.gson().serialize(meta.getText()));
            if (meta.getLineWidth() != 0)
                tag.putInt("line_width", meta.getLineWidth());
            if (meta.getBackgroundColor() != 0)
                tag.putInt("background", meta.getBackgroundColor());
            if (meta.getTextOpacity() != 0)
                tag.putByte("text_opacity", (byte) meta.getTextOpacity());
            if (meta.isShadow())
                tag.putByte("shadow", (byte) 1);
            if (meta.isSeeThrough())
                tag.putByte("see_through", (byte) 1);
            if (meta.isUseDefaultBackground())
                tag.putByte("default_background", (byte) 1);
            if (meta.isAlignLeft() && !meta.isAlignRight())
                tag.putString("alignment", "left");
            if (meta.isAlignRight() && !meta.isAlignLeft())
                tag.putString("alignment", "right");
        }

        @Override
        public void readData(@NotNull CompoundBinaryTag tag) {
            super.readData(tag);

            final TextDisplayMeta meta = getEntityMeta();
            if (tag.get("text") instanceof StringBinaryTag text)
                meta.setText(GsonComponentSerializer.gson().deserialize(text.value()));
            if (tag.get("line_width") instanceof NumberBinaryTag lineWidth)
                meta.setLineWidth(lineWidth.intValue());
            if (tag.get("background") instanceof NumberBinaryTag background)
                meta.setBackgroundColor(background.intValue());
            if (tag.get("text_opacity") instanceof NumberBinaryTag textOpacity)
                meta.setTextOpacity(textOpacity.byteValue());
            if (tag.get("shadow") instanceof NumberBinaryTag shadow)
                meta.setShadow(shadow.byteValue() != 0);
            if (tag.get("see_through") instanceof NumberBinaryTag seeThrough)
                meta.setSeeThrough(seeThrough.byteValue() != 0);
            if (tag.get("default_background") instanceof NumberBinaryTag defaultBackground)
                meta.setUseDefaultBackground(defaultBackground.byteValue() != 0);
            if (tag.get("alignment") instanceof StringBinaryTag align) {
                meta.setAlignLeft("left".equals(align.value()) || "center".equals(align.value()));
                meta.setAlignRight("right".equals(align.value()) || "center".equals(align.value()));
            }
        }

    }
}
	package net.hollowcube.mapmaker.map.entity.impl;

	import net.hollowcube.mapmaker.map.entity.MapEntity;
	import net.hollowcube.mapmaker.map.util.NbtUtil;
	import net.kyori.adventure.nbt.*;
	import net.kyori.adventure.text.serializer.gson.GsonComponentSerializer;
	import net.minestom.server.coordinate.Vec;
	import net.minestom.server.entity.EntityType;
	import net.minestom.server.entity.metadata.display.AbstractDisplayMeta;
	import net.minestom.server.entity.metadata.display.BlockDisplayMeta;
	import net.minestom.server.entity.metadata.display.ItemDisplayMeta;
	import net.minestom.server.entity.metadata.display.TextDisplayMeta;
	import net.minestom.server.item.ItemStack;
	import net.minestom.server.utils.nbt.BinaryTagSerializer;
	import org.jetbrains.annotations.NotNull;

	import java.util.List;
	import java.util.UUID;

	import static net.kyori.adventure.nbt.FloatBinaryTag.floatBinaryTag;

	public class DisplayEntity extends MapEntity {
	private static final BinaryTagSerializer<AbstractDisplayMeta.BillboardConstraints> BILLBOARD_CONSTRAINTS = BinaryTagSerializer.fromEnumStringable(AbstractDisplayMeta.BillboardConstraints.class);

	protected DisplayEntity(@NotNull EntityType entityType, @NotNull UUID uuid) {
	super(entityType, uuid);

	setNoGravity(true);
	hasPhysics = false;
	}

	@Override
	public @NotNull AbstractDisplayMeta getEntityMeta() {
	return (AbstractDisplayMeta) super.getEntityMeta();
	}

	@Override
	public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
	super.writeData(tag);

	final AbstractDisplayMeta meta = getEntityMeta();
	if (meta.getTransformationInterpolationStartDelta() != 0)
	tag.putInt("start_interpolation", meta.getTransformationInterpolationStartDelta());
	if (meta.getTransformationInterpolationDuration() != 0)
	tag.putInt("interpolation_duration", meta.getTransformationInterpolationDuration());
	if (meta.getPosRotInterpolationDuration() != 0)
	tag.putInt("teleport_duration", meta.getPosRotInterpolationDuration());

	// Write transformation as decomposed form always.
	var transformationTag = CompoundBinaryTag.builder();
	var translation = meta.getTranslation();
	if (!translation.isZero()) {
	var elems = List.<BinaryTag>of(floatBinaryTag((float) translation.x()), floatBinaryTag((float) translation.y()), floatBinaryTag((float) translation.z()));
	transformationTag.put("translation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
	}
	var scale = meta.getScale();
	if (!scale.isZero()) {
	var elems = List.<BinaryTag>of(floatBinaryTag((float) scale.x()), floatBinaryTag((float) scale.y()), floatBinaryTag((float) scale.z()));
	transformationTag.put("scale", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
	}
	var leftRotation = meta.getLeftRotation();
	if (leftRotation[0] != 0 \|\| leftRotation[1] != 0 \|\| leftRotation[2] != 0 \|\| leftRotation[3] != 0) {
	var elems = List.<BinaryTag>of(floatBinaryTag(leftRotation[0]), floatBinaryTag(leftRotation[1]), floatBinaryTag(leftRotation[2]), floatBinaryTag(leftRotation[3]));
	transformationTag.put("left_rotation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
	}
	var rightRotation = meta.getRightRotation();
	if (rightRotation[0] != 0 \|\| rightRotation[1] != 0 \|\| rightRotation[2] != 0 \|\| rightRotation[3] != 0) {
	var elems = List.<BinaryTag>of(floatBinaryTag(rightRotation[0]), floatBinaryTag(rightRotation[1]), floatBinaryTag(rightRotation[2]), floatBinaryTag(rightRotation[3]));
	transformationTag.put("right_rotation", ListBinaryTag.listBinaryTag(BinaryTagTypes.FLOAT, elems));
	}
	var transformation = transformationTag.build();
	if (transformation.size() > 0) tag.put("transformation", transformation);

	if (meta.getBillboardRenderConstraints() != AbstractDisplayMeta.BillboardConstraints.FIXED)
	tag.put("billboard", BILLBOARD_CONSTRAINTS.write(meta.getBillboardRenderConstraints()));
	//todo brightness override
	if (meta.getViewRange() != 0)
	tag.putFloat("view_range", meta.getViewRange());
	if (meta.getShadowRadius() != 0)
	tag.putFloat("shadow_radius", meta.getShadowRadius());
	if (meta.getShadowStrength() != 0)
	tag.putFloat("shadow_strength", meta.getShadowStrength());
	if (meta.getWidth() != 0)
	tag.putFloat("width", meta.getWidth());
	if (meta.getHeight() != 0)
	tag.putFloat("height", meta.getHeight());
	if (meta.getGlowColorOverride() != 0)
	tag.putInt("glow_color_override", meta.getGlowColorOverride());
	}

	@Override
	public void readData(@NotNull CompoundBinaryTag tag) {
	super.readData(tag);

	final AbstractDisplayMeta meta = getEntityMeta();
	if (tag.get("start_interpolation") instanceof NumberBinaryTag startInterpolation)
	meta.setTransformationInterpolationStartDelta(startInterpolation.intValue());
	if (tag.get("interpolation_duration") instanceof NumberBinaryTag interpolationDuration)
	meta.setTransformationInterpolationDuration(interpolationDuration.intValue());
	if (tag.get("teleport_duration") instanceof NumberBinaryTag teleportDuration)
	meta.setPosRotInterpolationDuration(teleportDuration.intValue());
	var transformationTag = tag.get("transformation");
	if (transformationTag instanceof CompoundBinaryTag transform) {
	if (transform.get("translation") instanceof ListBinaryTag translate && translate.size() == 3 && translate.elementType() == BinaryTagTypes.FLOAT)
	meta.setTranslation(new Vec(translate.getFloat(0), translate.getFloat(1), translate.getFloat(2)));
	if (transform.get("scale") instanceof ListBinaryTag scale && scale.size() == 3 && scale.elementType() == BinaryTagTypes.FLOAT)
	meta.setScale(new Vec(scale.getFloat(0), scale.getFloat(1), scale.getFloat(2)));
	if (transform.get("left_rotation") instanceof ListBinaryTag leftRot && leftRot.size() == 4 && leftRot.elementType() == BinaryTagTypes.FLOAT)
	meta.setLeftRotation(new float[]{leftRot.getFloat(0), leftRot.getFloat(1), leftRot.getFloat(2), leftRot.getFloat(3)});
	if (transform.get("right_rotation") instanceof ListBinaryTag rightRot && rightRot.size() == 4 && rightRot.elementType() == BinaryTagTypes.FLOAT)
	meta.setRightRotation(new float[]{rightRot.getFloat(0), rightRot.getFloat(1), rightRot.getFloat(2), rightRot.getFloat(3)});
	} else if (transformationTag instanceof ListBinaryTag transformation && transformation.size() == 16 && transformation.elementType() == BinaryTagTypes.FLOAT) {
	// https://github.com/apache/commons-math/blob/ffcdf39f8fa7ccd19c5c21a73fccb90c753592cd/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/SingularValueDecomposition.java#L53
	throw new UnsupportedOperationException("SVD is not supported yet.");
	}
	if (tag.get("billboard") instanceof StringBinaryTag billboardName)
	meta.setBillboardRenderConstraints(BILLBOARD_CONSTRAINTS.read(billboardName));
	//todo brightness override
	if (tag.get("view_range") instanceof NumberBinaryTag viewRange)
	meta.setViewRange(viewRange.floatValue());
	if (tag.get("shadow_radius") instanceof NumberBinaryTag shadowRadius)
	meta.setShadowRadius(shadowRadius.floatValue());
	if (tag.get("shadow_strength") instanceof NumberBinaryTag shadowStrength)
	meta.setShadowStrength(shadowStrength.floatValue());
	if (tag.get("width") instanceof NumberBinaryTag width)
	meta.setWidth(width.floatValue());
	if (tag.get("height") instanceof NumberBinaryTag height)
	meta.setHeight(height.floatValue());
	if (tag.get("glow_color_override") instanceof NumberBinaryTag glowColor)
	meta.setGlowColorOverride(glowColor.intValue());
	}

	public static class Block extends DisplayEntity {

	public Block(@NotNull UUID uuid) {
	super(EntityType.BLOCK_DISPLAY, uuid);
	}

	@Override
	public @NotNull BlockDisplayMeta getEntityMeta() {
	return (BlockDisplayMeta) super.getEntityMeta();
	}

	@Override
	public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
	super.writeData(tag);

	final BlockDisplayMeta meta = getEntityMeta();
	var block = net.minestom.server.instance.block.Block.fromStateId((short) meta.getBlockStateId());
	if (block != null && !block.isAir())
	tag.put("block_state", NbtUtil.BLOCK_COMPOUND.write(block));

	}

	@Override
	public void readData(@NotNull CompoundBinaryTag tag) {
	super.readData(tag);

	final BlockDisplayMeta meta = getEntityMeta();
	if (tag.get("block_state") instanceof CompoundBinaryTag blockState) {
	var block = NbtUtil.BLOCK_COMPOUND.read(blockState);
	if (!block.isAir()) meta.setBlockState(block.stateId());
	}
	}

	}

	public static class Item extends DisplayEntity {
	private static final BinaryTagSerializer<ItemDisplayMeta.DisplayContext> DISPLAY_CONTEXT = BinaryTagSerializer.fromEnumStringable(ItemDisplayMeta.DisplayContext.class);

	public Item(@NotNull UUID uuid) {
	super(EntityType.ITEM_DISPLAY, uuid);
	}

	@Override
	public @NotNull ItemDisplayMeta getEntityMeta() {
	return (ItemDisplayMeta) super.getEntityMeta();
	}

	@Override
	public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
	super.writeData(tag);

	final ItemDisplayMeta meta = getEntityMeta();
	var itemStack = meta.getItemStack();
	if (!itemStack.isAir() && itemStack.amount() > 0)
	tag.put("item", ItemStack.NBT_TYPE.write(itemStack));
	if (meta.getDisplayContext() != ItemDisplayMeta.DisplayContext.NONE)
	tag.put("item_display", DISPLAY_CONTEXT.write(meta.getDisplayContext()));
	}

	@Override
	public void readData(@NotNull CompoundBinaryTag tag) {
	super.readData(tag);

	final ItemDisplayMeta meta = getEntityMeta();
	if (tag.get("item") instanceof CompoundBinaryTag item)
	meta.setItemStack(ItemStack.NBT_TYPE.read(item));
	if (tag.get("item_display") instanceof StringBinaryTag itemDisplay)
	meta.setDisplayContext(DISPLAY_CONTEXT.read(itemDisplay));

	}

	}

	public static class Text extends DisplayEntity {

	public Text(@NotNull UUID uuid) {
	super(EntityType.TEXT_DISPLAY, uuid);
	}

	@Override
	public @NotNull TextDisplayMeta getEntityMeta() {
	return (TextDisplayMeta) super.getEntityMeta();
	}

	@Override
	public void writeData(CompoundBinaryTag.@NotNull Builder tag) {
	super.writeData(tag);

	final TextDisplayMeta meta = getEntityMeta();
	tag.putString("text", GsonComponentSerializer.gson().serialize(meta.getText()));
	if (meta.getLineWidth() != 0)
	tag.putInt("line_width", meta.getLineWidth());
	if (meta.getBackgroundColor() != 0)
	tag.putInt("background", meta.getBackgroundColor());
	if (meta.getTextOpacity() != 0)
	tag.putByte("text_opacity", (byte) meta.getTextOpacity());
	if (meta.isShadow())
	tag.putByte("shadow", (byte) 1);
	if (meta.isSeeThrough())
	tag.putByte("see_through", (byte) 1);
	if (meta.isUseDefaultBackground())
	tag.putByte("default_background", (byte) 1);
	if (meta.isAlignLeft() && !meta.isAlignRight())
	tag.putString("alignment", "left");
	if (meta.isAlignRight() && !meta.isAlignLeft())
	tag.putString("alignment", "right");
	}

	@Override
	public void readData(@NotNull CompoundBinaryTag tag) {
	super.readData(tag);

	final TextDisplayMeta meta = getEntityMeta();
	if (tag.get("text") instanceof StringBinaryTag text)
	meta.setText(GsonComponentSerializer.gson().deserialize(text.value()));
	if (tag.get("line_width") instanceof NumberBinaryTag lineWidth)
	meta.setLineWidth(lineWidth.intValue());
	if (tag.get("background") instanceof NumberBinaryTag background)
	meta.setBackgroundColor(background.intValue());
	if (tag.get("text_opacity") instanceof NumberBinaryTag textOpacity)
	meta.setTextOpacity(textOpacity.byteValue());
	if (tag.get("shadow") instanceof NumberBinaryTag shadow)
	meta.setShadow(shadow.byteValue() != 0);
	if (tag.get("see_through") instanceof NumberBinaryTag seeThrough)
	meta.setSeeThrough(seeThrough.byteValue() != 0);
	if (tag.get("default_background") instanceof NumberBinaryTag defaultBackground)
	meta.setUseDefaultBackground(defaultBackground.byteValue() != 0);
	if (tag.get("alignment") instanceof StringBinaryTag align) {
	meta.setAlignLeft("left".equals(align.value()) \|\| "center".equals(align.value()));
	meta.setAlignRight("right".equals(align.value()) \|\| "center".equals(align.value()));
	}
	}

	}
	}