Re-added spellbooks

src/main/java/com/minelittlepony/unicopia/client/URenderers.java

@@ -15,11 +15,12 @@ import com.minelittlepony.unicopia.client.render.AccessoryFeatureRenderer;
 import com.minelittlepony.unicopia.client.render.AmuletFeatureRenderer;
 import com.minelittlepony.unicopia.client.render.BatWingsFeatureRenderer;
 import com.minelittlepony.unicopia.client.render.BraceletFeatureRenderer;
-import com.minelittlepony.unicopia.client.render.ButterflyEntityRenderer;
-import com.minelittlepony.unicopia.client.render.CastSpellEntityRenderer;
 import com.minelittlepony.unicopia.client.render.FloatingArtefactEntityRenderer;
 import com.minelittlepony.unicopia.client.render.IcarusWingsFeatureRenderer;
 import com.minelittlepony.unicopia.client.render.WingsFeatureRenderer;
+import com.minelittlepony.unicopia.client.render.entity.ButterflyEntityRenderer;
+import com.minelittlepony.unicopia.client.render.entity.CastSpellEntityRenderer;
+import com.minelittlepony.unicopia.client.render.entity.SpellbookEntityRenderer;
 import com.minelittlepony.unicopia.entity.UEntities;
 import com.minelittlepony.unicopia.item.ChameleonItem;
 import com.minelittlepony.unicopia.item.GemstoneItem;
@@ -69,6 +70,7 @@ public interface URenderers {
         EntityRendererRegistry.INSTANCE.register(UEntities.BUTTERFLY, ButterflyEntityRenderer::new);
         EntityRendererRegistry.INSTANCE.register(UEntities.FLOATING_ARTEFACT, FloatingArtefactEntityRenderer::new);
         EntityRendererRegistry.INSTANCE.register(UEntities.CAST_SPELL, CastSpellEntityRenderer::new);
+        EntityRendererRegistry.INSTANCE.register(UEntities.SPELLBOOK, SpellbookEntityRenderer::new);
 
         ColorProviderRegistry.ITEM.register((stack, i) -> i > 0 ? -1 : ((DyeableItem)stack.getItem()).getColor(stack), UItems.FRIENDSHIP_BRACELET);
         BuiltinItemRendererRegistry.INSTANCE.register(UItems.FILLED_JAR, (stack, mode, matrices, vertexConsumers, light, overlay) -> {

src/main/java/com/minelittlepony/unicopia/client/render/entity/ButterflyEntityRenderer.java

@@ -1,5 +1,6 @@
-package com.minelittlepony.unicopia.client.render;
+package com.minelittlepony.unicopia.client.render.entity;
 
+import com.minelittlepony.unicopia.client.render.RenderLayers;
 import com.minelittlepony.unicopia.entity.ButterflyEntity;
 
 import net.minecraft.client.model.ModelData;

src/main/java/com/minelittlepony/unicopia/client/render/entity/CastSpellEntityRenderer.java

@@ -1,4 +1,4 @@
-package com.minelittlepony.unicopia.client.render;
+package com.minelittlepony.unicopia.client.render.entity;
 
 import com.minelittlepony.unicopia.entity.CastSpellEntity;
 

src/main/java/com/minelittlepony/unicopia/client/render/entity/SpellbookEntityRenderer.java

@@ -0,0 +1,56 @@
+package com.minelittlepony.unicopia.client.render.entity;
+
+import net.minecraft.util.math.MathHelper;
+import net.minecraft.util.math.Vec3f;
+
+import com.minelittlepony.unicopia.entity.SpellbookEntity;
+
+import net.minecraft.client.render.entity.EntityRendererFactory;
+import net.minecraft.client.render.entity.LivingEntityRenderer;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.util.Identifier;
+
+public class SpellbookEntityRenderer extends LivingEntityRenderer<SpellbookEntity, SpellbookModel> {
+    private static final Identifier BLUE = new Identifier("unicopia", "textures/entity/spellbook/blue.png");
+    private static final Identifier NORMAL = new Identifier("unicopia", "textures/entity/spellbook/normal.png");
+
+    public SpellbookEntityRenderer(EntityRendererFactory.Context context) {
+        super(context, new SpellbookModel(SpellbookModel.getTexturedModelData().createModel()), 0);
+    }
+
+    @Override
+    public Identifier getTexture(SpellbookEntity entity) {
+        return entity.getIsAltered() ? BLUE : NORMAL;
+    }
+
+    @Override
+    protected float getLyingAngle(SpellbookEntity entity) {
+        return 0;
+    }
+
+    @Override
+    protected void setupTransforms(SpellbookEntity entity, MatrixStack matrices, float f, float g, float partialTicks) {
+        super.setupTransforms(entity, matrices, f, g + 90, partialTicks);
+
+        if (entity.getIsOpen()) {
+            matrices.translate(-1.25F, -0.35F, 0);
+
+            float floatPosition = MathHelper.sin((entity.age + partialTicks + entity.getId()) / 20) * 0.04F;
+
+            matrices.translate(0, floatPosition, 0);
+            matrices.multiply(Vec3f.NEGATIVE_Z.getDegreesQuaternion(60));
+        } else {
+            matrices.translate(-1.5F, 0.1F, 0.2F);
+            matrices.multiply(Vec3f.NEGATIVE_Z.getDegreesQuaternion(90));
+            matrices.multiply(Vec3f.NEGATIVE_Y.getDegreesQuaternion(90));
+        }
+    }
+
+    @Override
+    protected boolean hasLabel(SpellbookEntity targetEntity) {
+        return super.hasLabel(targetEntity)
+                && (targetEntity.isCustomNameVisible()
+                        || targetEntity.hasCustomName()
+                        && targetEntity == dispatcher.targetedEntity);
+    }
+}

src/main/java/com/minelittlepony/unicopia/client/render/entity/SpellbookModel.java

@@ -0,0 +1,52 @@
+package com.minelittlepony.unicopia.client.render.entity;
+
+import com.minelittlepony.unicopia.entity.SpellbookEntity;
+
+import net.minecraft.client.model.ModelPart;
+import net.minecraft.client.model.TexturedModelData;
+import net.minecraft.client.render.VertexConsumer;
+import net.minecraft.client.render.entity.model.BookModel;
+import net.minecraft.client.render.entity.model.EntityModel;
+import net.minecraft.client.util.math.MatrixStack;
+import net.minecraft.util.math.MathHelper;
+
+public class SpellbookModel extends EntityModel<SpellbookEntity> {
+
+    private final BookModel book;
+
+    public SpellbookModel(ModelPart root) {
+        book = new BookModel(root);
+    }
+
+    public static TexturedModelData getTexturedModelData() {
+        return BookModel.getTexturedModelData();
+    }
+
+    @Override
+    public void render(MatrixStack matrices, VertexConsumer vertexConsumer, int light, int overlay, float red, float green, float blue, float alpha) {
+       book.render(matrices, vertexConsumer, light, overlay, red, green, blue, alpha);
+    }
+
+    @Deprecated
+    public void setPageAngles(float breath, float leftPageRot, float rightPageRot, float openAngle) {
+       book.setPageAngles(breath, leftPageRot, rightPageRot, openAngle);
+    }
+
+    @Override
+    public void setAngles(SpellbookEntity entity, float limbAngle, float limbDistance, float customAngle, float headYaw, float headPitch) {
+        float breath = MathHelper.sin((entity.age + customAngle) / 20) * 0.01F + 0.1F;
+
+        float first_page_rot = limbDistance + (breath * 10);
+        float second_page_rot = 1 - first_page_rot;
+        float open_angle = 0.9f - limbDistance;
+
+        if (first_page_rot > 1) first_page_rot = 1;
+        if (second_page_rot > 1) second_page_rot = 1;
+
+        if (!entity.getIsOpen()) {
+            first_page_rot = second_page_rot = open_angle = 0;
+        }
+
+        book.setPageAngles(breath, first_page_rot, second_page_rot, open_angle);
+    }
+}

src/main/java/com/minelittlepony/unicopia/container/SpellBookScreenHandler.java

@@ -0,0 +1,19 @@
+package com.minelittlepony.unicopia.container;
+
+import com.minelittlepony.unicopia.EquinePredicates;
+
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.screen.ScreenHandler;
+
+public class SpellBookScreenHandler extends ScreenHandler {
+
+    protected SpellBookScreenHandler(int syncId, PlayerInventory inv) {
+        super(UScreenHandlers.SPELL_BOOK, syncId);
+    }
+
+    @Override
+    public boolean canUse(PlayerEntity player) {
+        return EquinePredicates.IS_CASTER.test(player);
+    }
+}

src/main/java/com/minelittlepony/unicopia/container/UScreenHandlers.java

@@ -0,0 +1,17 @@
+package com.minelittlepony.unicopia.container;
+
+import net.fabricmc.fabric.api.screenhandler.v1.ScreenHandlerRegistry;
+import net.fabricmc.fabric.api.screenhandler.v1.ScreenHandlerRegistry.SimpleClientHandlerFactory;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.screen.ScreenHandlerType;
+import net.minecraft.util.Identifier;
+
+public interface UScreenHandlers {
+    ScreenHandlerType<SpellBookScreenHandler> SPELL_BOOK = register("spell_book", SpellBookScreenHandler::new);
+
+    static <T extends ScreenHandler> ScreenHandlerType<T> register(String name, SimpleClientHandlerFactory<T> factory) {
+        return ScreenHandlerRegistry.registerSimple(new Identifier("unicopia", name), factory);
+    }
+
+    static void bootstrap() { }
+}

src/main/java/com/minelittlepony/unicopia/entity/SpellbookEntity.java

@@ -0,0 +1,202 @@
+package com.minelittlepony.unicopia.entity;
+
+import com.minelittlepony.unicopia.EquinePredicates;
+import com.minelittlepony.unicopia.container.UScreenHandlers;
+import com.minelittlepony.unicopia.item.UItems;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.damage.DamageSource;
+import net.minecraft.entity.data.DataTracker;
+import net.minecraft.entity.data.TrackedData;
+import net.minecraft.entity.data.TrackedDataHandlerRegistry;
+import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NbtCompound;
+import net.minecraft.particle.ParticleTypes;
+import net.minecraft.predicate.entity.EntityPredicates;
+import net.minecraft.screen.SimpleNamedScreenHandlerFactory;
+import net.minecraft.sound.BlockSoundGroup;
+import net.minecraft.sound.SoundCategory;
+import net.minecraft.sound.SoundEvents;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.Hand;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.GameRules;
+import net.minecraft.world.World;
+
+public class SpellbookEntity extends MobEntity {
+    private static final TrackedData<Boolean> OPENED = DataTracker.registerData(SpellbookEntity.class, TrackedDataHandlerRegistry.BOOLEAN);
+    private static final TrackedData<Boolean> ALTERED = DataTracker.registerData(SpellbookEntity.class, TrackedDataHandlerRegistry.BOOLEAN);
+    private static final TrackedData<Byte> OPENED_USER = DataTracker.registerData(SpellbookEntity.class, TrackedDataHandlerRegistry.BYTE);
+
+    public SpellbookEntity(EntityType<SpellbookEntity> type, World world) {
+        super(type, world);
+        setPersistent();
+
+        if (world.random.nextInt(3) == 0) {
+            setAltered();
+        }
+    }
+
+    @Override
+    protected void initDataTracker() {
+        super.initDataTracker();
+        dataTracker.startTracking(OPENED, true);
+        dataTracker.startTracking(OPENED_USER, (byte)1);
+        dataTracker.startTracking(ALTERED, false);
+    }
+
+    @Override
+    public ItemStack getPickBlockStack() {
+        return new ItemStack(UItems.SPELLBOOK);
+    }
+
+    @Override
+    public boolean isPushable() {
+        return false;
+    }
+
+    @Override
+    public boolean doesRenderOnFire() {
+        return false;
+    }
+
+    public boolean getIsAltered() {
+        return dataTracker.get(ALTERED);
+    }
+
+    public void setAltered() {
+        dataTracker.set(ALTERED, true);
+    }
+
+    public boolean getIsOpen() {
+        return dataTracker.get(OPENED);
+    }
+
+    public Boolean getUserSetState() {
+        byte state = dataTracker.get(OPENED_USER);
+        return state == 1 ? null : state == 2;
+    }
+
+    public void setIsOpen(boolean val) {
+        dataTracker.set(OPENED, val);
+    }
+
+    public void setUserSetState(Boolean val) {
+        dataTracker.set(OPENED_USER, val == null ? (byte)1 : val == true ? (byte)2 : (byte)0);
+    }
+
+    @Override
+    public void tick() {
+        boolean open = getIsOpen();
+        jumping = open && isTouchingWater();
+        super.tick();
+        if (open && world.isClient) {
+            for (int offX = -2; offX <= 1; ++offX) {
+                for (int offZ = -2; offZ <= 1; ++offZ) {
+                    if (offX > -1 && offX < 1 && offZ == -1) {
+                        offZ = 1;
+                    }
+
+                    if (random.nextInt(320) == 0) {
+                        for (int offY = 0; offY <= 1; ++offY) {
+                            world.addParticle(ParticleTypes.ENCHANT,
+                                    getX(), getY(), getZ(),
+                                    offX/2F + random.nextFloat(),
+                                    offY/2F - random.nextFloat() + 0.5f,
+                                    offZ/2F + random.nextFloat()
+                            );
+                        }
+                    }
+                }
+            }
+        }
+
+        if (open) {
+            world.getOtherEntities(this, getBoundingBox().expand(2), EntityPredicates.EXCEPT_SPECTATOR.and(e -> e instanceof PlayerEntity)).stream().findFirst().ifPresent(player -> {
+                Vec3d diff = player.getPos().subtract(getPos());
+                double yaw = Math.atan2(diff.z, diff.x) * 180D / Math.PI - 90;
+
+                setHeadYaw((float)yaw);
+                setYaw((float)yaw);
+            });
+        }
+
+        if (world.random.nextInt(30) == 0) {
+            float celest = world.getSkyAngleRadians(1) * 4;
+
+            boolean isDay = celest > 3 || celest < 1;
+
+            Boolean userState = getUserSetState();
+
+            boolean canToggle = (isDay != open) && (userState == null || userState == isDay);
+
+            if (canToggle) {
+                setUserSetState(null);
+                setIsOpen(isDay);
+            }
+
+            if (userState != null && (isDay == open) && (userState == open)) {
+                setUserSetState(null);
+            }
+        }
+    }
+
+    @Override
+    public boolean damage(DamageSource source, float amount) {
+        if (!world.isClient) {
+            remove(Entity.RemovalReason.KILLED);
+
+            BlockSoundGroup sound = BlockSoundGroup.WOOD;
+
+            world.playSound(getX(), getY(), getZ(), sound.getBreakSound(), SoundCategory.BLOCKS, sound.getVolume(), sound.getPitch(), true);
+
+            if (world.getGameRules().getBoolean(GameRules.DO_TILE_DROPS)) {
+                dropItem(UItems.SPELLBOOK, 1);
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public ActionResult interactAt(PlayerEntity player, Vec3d vec, Hand hand) {
+        if (player.isSneaking()) {
+            boolean open = !getIsOpen();
+
+            setIsOpen(open);
+            setUserSetState(open);
+
+            return ActionResult.SUCCESS;
+        }
+
+        if (EquinePredicates.PLAYER_UNICORN.test(player)) {
+            player.openHandledScreen(new SimpleNamedScreenHandlerFactory((syncId, inv, ply) -> UScreenHandlers.SPELL_BOOK.create(syncId, inv), getDisplayName()));
+            player.playSound(SoundEvents.BLOCK_FURNACE_FIRE_CRACKLE, 2, 1);
+            return ActionResult.SUCCESS;
+        }
+
+        return ActionResult.PASS;
+    }
+
+    @Override
+    public void readCustomDataFromNbt(NbtCompound compound) {
+        super.readCustomDataFromNbt(compound);
+
+        setIsOpen(compound.getBoolean("open"));
+        setUserSetState(compound.contains("force_open") ? compound.getBoolean("force_open") : null);
+    }
+
+    @Override
+    public void writeCustomDataToNbt(NbtCompound compound) {
+        super.writeCustomDataToNbt(compound);
+        compound.putBoolean("open", getIsOpen());
+
+        Boolean state = getUserSetState();
+
+        if (state != null) {
+            compound.putBoolean("force_open", state);
+        }
+    }
+}

src/main/java/com/minelittlepony/unicopia/entity/UEntities.java

@@ -20,7 +20,6 @@ import net.minecraft.world.biome.Biome.Category;
 
 @SuppressWarnings("deprecation")
 public interface UEntities {
-
     EntityType<ButterflyEntity> BUTTERFLY = register("butterfly", FabricEntityTypeBuilder.create(SpawnGroup.AMBIENT, ButterflyEntity::new)
             .dimensions(EntityDimensions.fixed(0.25F, 0.25F)));
     EntityType<MagicProjectileEntity> THROWN_ITEM = register("thrown_item", FabricEntityTypeBuilder.<MagicProjectileEntity>create(SpawnGroup.MISC, MagicProjectileEntity::new)
@@ -33,6 +32,9 @@ public interface UEntities {
     EntityType<CastSpellEntity> CAST_SPELL = register("cast_spell", FabricEntityTypeBuilder.create(SpawnGroup.MISC, CastSpellEntity::new)
             .trackRangeBlocks(200)
             .dimensions(EntityDimensions.fixed(1, 1)));
+    EntityType<SpellbookEntity> SPELLBOOK = register("spellbook", FabricEntityTypeBuilder.create(SpawnGroup.MISC, SpellbookEntity::new)
+            .trackRangeBlocks(200)
+            .dimensions(EntityDimensions.fixed(1, 1)));
 
     static <T extends Entity> EntityType<T> register(String name, FabricEntityTypeBuilder<T> builder) {
         EntityType<T> type = builder.build();
@@ -41,6 +43,7 @@ public interface UEntities {
 
     static void bootstrap() {
         FabricDefaultAttributeRegistry.register(BUTTERFLY, ButterflyEntity.createButterflyAttributes());
+        FabricDefaultAttributeRegistry.register(SPELLBOOK, SpellbookEntity.createMobAttributes());
 
         final Predicate<BiomeSelectionContext> butterflySpawnable = BiomeSelectors.foundInOverworld()
                 .and(ctx -> ctx.getBiome().getPrecipitation() == Biome.Precipitation.RAIN);

src/main/java/com/minelittlepony/unicopia/item/SpellbookItem.java

@@ -0,0 +1,83 @@
+package com.minelittlepony.unicopia.item;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.minelittlepony.unicopia.EquinePredicates;
+import com.minelittlepony.unicopia.entity.SpellbookEntity;
+import com.minelittlepony.unicopia.entity.UEntities;
+import com.minelittlepony.unicopia.util.Dispensable;
+
+import net.minecraft.block.DispenserBlock;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.BookItem;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.ItemUsageContext;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.TypedActionResult;
+import net.minecraft.util.math.BlockPointer;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Direction;
+import net.minecraft.world.World;
+
+public class SpellbookItem extends BookItem implements Dispensable {
+    public SpellbookItem(Settings settings) {
+        super(settings);
+        DispenserBlock.registerBehavior(this, createDispenserBehaviour());
+    }
+
+    @Override
+    public TypedActionResult<ItemStack> dispenseStack(BlockPointer source, ItemStack stack) {
+        Direction facing = source.getBlockState().get(DispenserBlock.FACING);
+        BlockPos pos = source.getBlockPos().offset(facing);
+
+        float yaw = facing.getOpposite().asRotation();
+        placeBook(source.getWorld(), pos.getX(), pos.getY(), pos.getZ(), yaw);
+        stack.decrement(1);
+
+        return new TypedActionResult<>(ActionResult.SUCCESS, stack);
+    }
+
+    @Override
+    public ActionResult useOnBlock(ItemUsageContext context) {
+
+        @Nullable
+        PlayerEntity player = context.getPlayer();
+
+        if (!context.getWorld().isClient && EquinePredicates.PLAYER_UNICORN.test(player)) {
+            BlockPos pos = context.getBlockPos().offset(context.getSide());
+
+            placeBook(context.getWorld(), pos.getX(), pos.getY(), pos.getZ(), context.getPlayerYaw() + 180);
+
+            if (!player.getAbilities().creativeMode) {
+                player.getStackInHand(context.getHand()).decrement(1);
+            }
+
+            return ActionResult.SUCCESS;
+        }
+        return ActionResult.PASS;
+    }
+
+    private static void placeBook(World world, int x, int y, int z, float yaw) {
+        SpellbookEntity book = UEntities.SPELLBOOK.create(world);
+
+        book.refreshPositionAndAngles(x + 0.5, y, z + 0.5, 0, 0);
+        book.setHeadYaw(yaw);
+        book.setYaw(yaw);
+        world.spawnEntity(book);
+    }
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

src/main/java/com/minelittlepony/unicopia/item/UItems.java

@@ -84,6 +84,8 @@ public interface UItems {
     Item BUTTERFLY_SPAWN_EGG = register("butterfly_spawn_egg", new SpawnEggItem(UEntities.BUTTERFLY, 0x222200, 0xaaeeff, new Item.Settings().group(ItemGroup.MISC)));
     Item BUTTERFLY = register("butterfly", new Item(new Item.Settings().group(ItemGroup.FOOD).food(UFoodComponents.INSECTS)));
 
+    Item SPELLBOOK = register("spellbook", new SpellbookItem(new Item.Settings().maxCount(1).rarity(Rarity.UNCOMMON).group(ItemGroup.TOOLS)));
+
     AmuletItem PEGASUS_AMULET = register("pegasus_amulet", new AmuletItem(new FabricItemSettings()
             .maxCount(1)
             .maxDamage(890)

src/main/java/com/minelittlepony/unicopia/util/Dispensable.java

@@ -0,0 +1,47 @@
+package com.minelittlepony.unicopia.util;
+
+import net.minecraft.block.dispenser.DispenserBehavior;
+import net.minecraft.block.dispenser.ItemDispenserBehavior;
+import net.minecraft.item.ItemStack;
+import net.minecraft.util.ActionResult;
+import net.minecraft.util.TypedActionResult;
+import net.minecraft.util.math.BlockPointer;
+import net.minecraft.util.math.Direction;
+
+public interface Dispensable {
+    default DispenserBehavior createDispenserBehaviour() {
+        return new ItemDispenserBehavior() {
+            private ActionResult result;
+            @Override
+            protected ItemStack dispenseSilently(BlockPointer source, ItemStack stack) {
+                TypedActionResult<ItemStack> result = dispenseStack(source, stack);
+                this.result = result.getResult();
+
+                if (!this.result.isAccepted()) {
+                    return super.dispenseSilently(source, stack);
+                }
+
+                return result.getValue();
+            }
+
+            @Override
+            protected void playSound(BlockPointer pointer) {
+                if (!result.isAccepted()) {
+                    super.playSound(pointer);
+                }
+            }
+
+            @Override
+            protected void spawnParticles(BlockPointer pointer, Direction side) {
+                if (!result.isAccepted()) {
+                    super.spawnParticles(pointer, side);
+                }
+            }
+        };
+    }
+
+    /**
+     * Called to dispense this stack.
+     */
+    TypedActionResult<ItemStack> dispenseStack(BlockPointer source, ItemStack stack);
+}

src/main/resources/assets/unicopia/lang/en_us.json

@@ -15,6 +15,8 @@
   "item.unicopia.friendship_bracelet.issuer": "Signed by %s",
   "item.unicopia.friendship_bracelet.glowing": "Glowing",
   
+  "item.unicopia.spellbook": "Spellbook",
+
   "item.unicopia.butterfly_spawn_egg": "Butterfly Spawn Egg",
   "item.unicopia.butterfly": "Butterfly",
 
@@ -79,6 +81,7 @@
   "entity.unicopia.butterfly": "Butterfly",
   "entity.unicopia.cast_spell": "Cast Spell",
   "entity.unicopia.cast_spell.by": "a spell cast by %s",
+  "entity.unicopia.spellbook": "Spellbook",
 
   "unicopia.effect.tribe.stage.initial": "It appears to have no effect.",
   "unicopia.effect.tribe.stage.crawling": "You feel the skin crawling on your back.",

src/main/resources/assets/unicopia/models/item/spellbook.json

@@ -0,0 +1,6 @@
+{
+    "parent": "item/generated",
+    "textures": {
+        "layer0": "unicopia:item/spellbook"
+    }
+}