Implemented enchanting pricing

src/main/java/xyz/nuark/enchantrium/block/entity/custom/EnchanterBlockEntity.java

@@ -11,9 +11,7 @@ import net.minecraft.world.SimpleContainer;
 import net.minecraft.world.entity.player.Inventory;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.AbstractContainerMenu;
-import net.minecraft.world.inventory.ContainerLevelAccess;
 import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.Items;
 import net.minecraft.world.item.enchantment.EnchantmentInstance;
 import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.block.state.BlockState;
@@ -26,11 +24,12 @@ import org.jetbrains.annotations.Nullable;
 import xyz.nuark.enchantrium.Enchantrium;
 import xyz.nuark.enchantrium.block.entity.ModBlockEntities;
 import xyz.nuark.enchantrium.screen.EnchanterMenu;
+import xyz.nuark.enchantrium.util.EnchantmentUtil;
 
 import java.util.List;
 
 public class EnchanterBlockEntity extends BlockEntity implements MenuProvider {
-    private final ItemStackHandler itemHandler = new ItemStackHandler(2) {
+    private final ItemStackHandler itemHandler = new ItemStackHandler(3) {
         @Override
         protected void onContentsChanged(int slot) {
             setChanged();
@@ -71,7 +70,7 @@ public class EnchanterBlockEntity extends BlockEntity implements MenuProvider {
     }
 
     @Override
-    public void invalidateCaps()  {
+    public void invalidateCaps() {
         super.invalidateCaps();
         lazyItemHandler.invalidate();
     }
@@ -105,18 +104,26 @@ public class EnchanterBlockEntity extends BlockEntity implements MenuProvider {
         return itemHandler.getStackInSlot(0);
     }
 
-    public void enchant(List<EnchantmentInstance> enchantments) {
+    public ItemStack getEmeralds() {
-        if (itemHandler.extractItem(1, 1, true).is(Items.AIR)) {
+        return itemHandler.getStackInSlot(1);
-            return;
+    }
-        }
 
+    public ItemStack getNetherite() {
+        return itemHandler.getStackInSlot(2);
+    }
+
+    public boolean enchant(List<EnchantmentInstance> enchantments, EnchantmentUtil.EnchantmentCost enchantmentCost, boolean setUnbreakable) {
         ItemStack input = itemHandler.extractItem(0, 1, false);
-        itemHandler.extractItem(1, 1, false);
+        itemHandler.extractItem(1, enchantmentCost.lapis(), false);
+        itemHandler.extractItem(2, enchantmentCost.netherite(), false);
         for (EnchantmentInstance enchantment : enchantments) {
             input.enchant(enchantment.enchantment, enchantment.level);
         }
+        input.getOrCreateTag().putBoolean("Unbreakable", setUnbreakable);
 
         itemHandler.setStackInSlot(0, input);
         itemHandler.insertItem(0, input, false);
+
+        return true;
     }
 }

src/main/java/xyz/nuark/enchantrium/network/message/PacketEnchantItem.java

@@ -1,36 +1,36 @@
 package xyz.nuark.enchantrium.network.message;
 
 import net.minecraft.core.BlockPos;
-import net.minecraft.core.Registry;
 import net.minecraft.network.FriendlyByteBuf;
-import net.minecraft.world.item.ItemStack;
-import net.minecraft.world.item.enchantment.Enchantment;
 import net.minecraft.world.item.enchantment.EnchantmentInstance;
-import net.minecraft.world.level.Level;
 import net.minecraftforge.network.NetworkEvent;
 import net.minecraftforge.registries.ForgeRegistries;
-import xyz.nuark.enchantrium.Enchantrium;
 import xyz.nuark.enchantrium.block.entity.custom.EnchanterBlockEntity;
-import xyz.nuark.enchantrium.network.Networking;
+import xyz.nuark.enchantrium.util.EnchantmentUtil;
 
 import java.util.List;
-import java.util.Objects;
 import java.util.function.Supplier;
 
 public class PacketEnchantItem {
     private final BlockPos blockEntityPos;
     private final List<EnchantmentInstance> enchantments;
+    private final EnchantmentUtil.EnchantmentCost enchantmentCost;
+    private final boolean unbreakingSet;
 
-    public PacketEnchantItem(BlockPos blockEntityPos, List<EnchantmentInstance> enchantments) {
+    public PacketEnchantItem(BlockPos blockEntityPos, List<EnchantmentInstance> enchantments, EnchantmentUtil.EnchantmentCost enchantmentCost, boolean unbreakingSet) {
         this.blockEntityPos = blockEntityPos;
         this.enchantments = enchantments;
+        this.enchantmentCost = enchantmentCost;
+        this.unbreakingSet = unbreakingSet;
     }
 
     public boolean handle(Supplier<NetworkEvent.Context> supplier) {
         NetworkEvent.Context ctx = supplier.get();
         ctx.enqueueWork(() -> {
             EnchanterBlockEntity ebe = (EnchanterBlockEntity)ctx.getSender().level.getBlockEntity(blockEntityPos);
-            ebe.enchant(enchantments);
+            if (ebe.enchant(enchantments, enchantmentCost, unbreakingSet)) {
+                ctx.getSender().giveExperienceLevels(-enchantmentCost.levels());
+            }
         });
         return true;
     }
@@ -41,6 +41,10 @@ public class PacketEnchantItem {
             buf.writeResourceLocation(ForgeRegistries.ENCHANTMENTS.getKey(enchantment.enchantment));
             buf.writeVarInt(enchantment.level);
         });
+        friendlyByteBuf.writeVarInt(enchantmentCost.levels());
+        friendlyByteBuf.writeVarInt(enchantmentCost.lapis());
+        friendlyByteBuf.writeVarInt(enchantmentCost.netherite());
+        friendlyByteBuf.writeBoolean(unbreakingSet);
     }
 
     public static PacketEnchantItem decode(FriendlyByteBuf friendlyByteBuf) {
@@ -49,7 +53,13 @@ public class PacketEnchantItem {
                 friendlyByteBuf.readList((buf) -> new EnchantmentInstance(
                         ForgeRegistries.ENCHANTMENTS.getValue(buf.readResourceLocation()),
                         buf.readVarInt()
-                ))
+                )),
+                new EnchantmentUtil.EnchantmentCost(
+                        friendlyByteBuf.readVarInt(),
+                        friendlyByteBuf.readVarInt(),
+                        friendlyByteBuf.readVarInt()
+                ),
+                friendlyByteBuf.readBoolean()
         );
     }
 }

src/main/java/xyz/nuark/enchantrium/screen/EnchanterMenu.java

@@ -17,7 +17,6 @@ import net.minecraftforge.common.Tags;
 import net.minecraftforge.items.CapabilityItemHandler;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import xyz.nuark.enchantrium.Enchantrium;
 import xyz.nuark.enchantrium.block.ModBlocks;
 import xyz.nuark.enchantrium.block.entity.custom.EnchanterBlockEntity;
 import xyz.nuark.enchantrium.network.Networking;
@@ -33,6 +32,7 @@ public class EnchanterMenu extends AbstractContainerMenu {
 
     private ItemStack inputStack = new ItemStack(Items.AIR);
     private List<EnchantmentInstance> enchantments = Lists.newArrayList();
+    private boolean unbreakingSet = false;
     private int currentEnchantmentIndex = -1;
     private final Object lock = new Object();
 
@@ -42,7 +42,7 @@ public class EnchanterMenu extends AbstractContainerMenu {
 
     public EnchanterMenu(int containerId, Inventory inv, BlockEntity entity) {
         super(ModMenuTypes.ENCHANTER_MENU.get(), containerId);
-        checkContainerSize(inv, 2);
+        checkContainerSize(inv, 3);
         blockEntity = ((EnchanterBlockEntity) entity);
         this.level = inv.player.level;
 
@@ -55,8 +55,12 @@ public class EnchanterMenu extends AbstractContainerMenu {
                     stack -> EnchantmentUtil.canBeEnchanted(stack) && !stack.isEnchanted() && !stack.is(Items.BOOK)
             ));
             this.addSlot(new FilteredSlot(
-                    handler, 1, 8, 43,
+                    handler, 1, 31, 19,
-                    stack -> stack.is(Tags.Items.GEMS_EMERALD) || stack.is(Tags.Items.INGOTS_NETHERITE)
+                    stack -> stack.is(Tags.Items.STORAGE_BLOCKS_LAPIS)
+            ));
+            this.addSlot(new FilteredSlot(
+                    handler, 2, 54, 19,
+                    stack -> stack.is(Tags.Items.INGOTS_NETHERITE)
             ));
         });
     }
@@ -79,33 +83,55 @@ public class EnchanterMenu extends AbstractContainerMenu {
         }
     }
 
+    public boolean unbreakable() {
+        return unbreakingSet;
+    }
+
+    public EnchantmentUtil.EnchantmentCost getEnchantmentRequirements() {
+        return EnchantmentUtil.calculateEnchantmentPrice(this.enchantments.stream().filter(e -> e.level > 0).toList(), unbreakingSet);
+    }
+
+    public boolean requirementsMet(Player player, EnchantmentUtil.EnchantmentCost enchantmentRequirements) {
+        return player.experienceLevel >= enchantmentRequirements.levels()
+                && blockEntity.getEmeralds().getCount() >= enchantmentRequirements.lapis()
+                && blockEntity.getNetherite().getCount() >= enchantmentRequirements.netherite();
+    }
+
     @Override
     public boolean clickMenuButton(Player player, int buttonId) {
-        if (buttonId < 0 || buttonId >= 5) {
+        if (buttonId < 0 || buttonId >= 6) {
             Util.logAndPauseIfInIde(player.getName() + " pressed invalid button id: " + buttonId);
             return false;
         }
 
-        Enchantrium.LOGGER.debug("{} clicked button {}", player.getName(), buttonId);
         synchronized (lock) {
             if (buttonId == 0) {
-                Networking.sendToServer(new PacketEnchantItem(blockEntity.getBlockPos(), this.enchantments.stream().filter(e -> e.level > 0).toList()));
+                var enchantments = this.enchantments.stream().filter(e -> e.level > 0).toList();
+                if (enchantments.isEmpty()) return true;
+                Networking.sendToServer(new PacketEnchantItem(
+                        blockEntity.getBlockPos(),
+                        enchantments,
+                        getEnchantmentRequirements(),
+                        unbreakingSet
+                ));
             } else if (buttonId == 1) {
-                currentEnchantmentIndex = (currentEnchantmentIndex + 1) % enchantments.size();
-            } else if (buttonId == 2) {
                 currentEnchantmentIndex = (currentEnchantmentIndex - 1 + enchantments.size()) % enchantments.size();
+            } else if (buttonId == 2) {
+                currentEnchantmentIndex = (currentEnchantmentIndex + 1) % enchantments.size();
             } else if (buttonId == 3) {
+                var enchantment = this.enchantments.get(currentEnchantmentIndex);
+                this.enchantments.set(currentEnchantmentIndex, new EnchantmentInstance(
+                        enchantment.enchantment,
+                        enchantment.level > 0 ? (enchantment.level - 1) : 0
+                ));
+            } else if (buttonId == 4) {
                 var enchantment = this.enchantments.get(currentEnchantmentIndex);
                 this.enchantments.set(currentEnchantmentIndex, new EnchantmentInstance(
                         enchantment.enchantment,
                         enchantment.level < enchantment.enchantment.getMaxLevel() ? (enchantment.level + 1) : enchantment.level
                 ));
             } else {
-                var enchantment = this.enchantments.get(currentEnchantmentIndex);
+                unbreakingSet = !unbreakingSet;
-                this.enchantments.set(currentEnchantmentIndex, new EnchantmentInstance(
-                        enchantment.enchantment,
-                        enchantment.level > 0 ? (enchantment.level - 1) : 0
-                ));
             }
         }
         return true;
@@ -119,14 +145,14 @@ public class EnchanterMenu extends AbstractContainerMenu {
     private void addPlayerInventory(Inventory playerInventory) {
         for (int i = 0; i < 3; i++) {
             for (int j = 0; j < 9; j++) {
-                addSlot(new Slot(playerInventory, j + i * 9 + 9, 8 + j * 18, 86 + i * 18));
+                addSlot(new Slot(playerInventory, j + i * 9 + 9, 8 + j * 18, 150 + i * 18));
             }
         }
     }
 
     private void addPlayerHotbar(Inventory playerInventory) {
         for (int i = 0; i < 9; i++) {
-            addSlot(new Slot(playerInventory, i, 8 + i * 18, 144));
+            addSlot(new Slot(playerInventory, i, 8 + i * 18, 208));
         }
     }
 
@@ -146,7 +172,7 @@ public class EnchanterMenu extends AbstractContainerMenu {
     private static final int TE_INVENTORY_FIRST_SLOT_INDEX = VANILLA_FIRST_SLOT_INDEX + VANILLA_SLOT_COUNT;
 
     // THIS YOU HAVE TO DEFINE!
-    private static final int TE_INVENTORY_SLOT_COUNT = 2;  // must be the number of slots you have!
+    private static final int TE_INVENTORY_SLOT_COUNT = 3;  // must be the number of slots you have!
 
     @Override
     public @NotNull ItemStack quickMoveStack(@NotNull Player playerIn, int index) {

src/main/java/xyz/nuark/enchantrium/screen/EnchanterScreen.java

@@ -2,21 +2,19 @@ package xyz.nuark.enchantrium.screen;
 
 import com.mojang.blaze3d.systems.RenderSystem;
 import com.mojang.blaze3d.vertex.PoseStack;
+import net.minecraft.ChatFormatting;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
 import net.minecraft.client.renderer.GameRenderer;
 import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.network.chat.TranslatableComponent;
-import net.minecraft.network.protocol.game.ServerboundContainerButtonClickPacket;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.player.Inventory;
-import net.minecraftforge.network.NetworkHooks;
 import org.jetbrains.annotations.NotNull;
 import xyz.nuark.enchantrium.Enchantrium;
-import xyz.nuark.enchantrium.network.Networking;
-import xyz.nuark.enchantrium.network.message.PacketEnchantItem;
 import xyz.nuark.enchantrium.screen.widget.Label;
 
 public class EnchanterScreen extends AbstractContainerScreen<EnchanterMenu> {
@@ -29,58 +27,77 @@ public class EnchanterScreen extends AbstractContainerScreen<EnchanterMenu> {
     private Button prevBtn;
     private Button increaseLevelBtn;
     private Button decreaseLevelBtn;
+    private Button switchUnbreakableBtn;
 
     public EnchanterScreen(EnchanterMenu enchanterMenu, Inventory inventory, Component title) {
         super(enchanterMenu, inventory, title);
+
+        imageWidth = 176;
+        imageHeight = 232;
     }
 
     @Override
     protected void init() {
         super.init();
 
+        int sx = width / 2 - imageWidth / 2;
+        int sy = height / 2 - imageHeight / 2;
+
         currentEnchantmentLabel = new Label(
                 new TextComponent(""),
-                width / 2, height / 2 + 80, 0xFFFFFF, true
+                sx + 7, sy + 51, 0xFFFFFF, false
         );
 
         enchantBtn = new Button(
-                width / 2 - 50, height / 2 + 100, 100, 20,
+                sx + 76, sy + 18, 93, 20,
                 new TextComponent("Enchant"),
                 button -> clickButton(0)
         );
-        nextBtn = new Button(
+
-                width / 2 + 60, height / 2 + 100, 20, 20,
+        prevBtn = new Button(
-                new TextComponent("\u2192"),
+                sx + 7, sy + 71, 78, 20,
+                new TextComponent("Previous"),
                 button -> clickButton(1)
         );
-        prevBtn = new Button(
+        nextBtn = new Button(
-                width / 2 - 80, height / 2 + 100, 20, 20,
+                sx + 91, sy + 71, 78, 20,
-                new TextComponent("\u2190"),
+                new TextComponent("Next"),
                 button -> clickButton(2)
         );
 
-        increaseLevelBtn = new Button(
+        decreaseLevelBtn = new Button(
-                width / 2 + 90, height / 2 + 100, 20, 10,
+                sx + 7, sy + 97, 78, 20,
-                new TextComponent("\u2191"),
+                new TextComponent("Decrease"),
                 button -> clickButton(3)
         );
-        decreaseLevelBtn = new Button(
+        increaseLevelBtn = new Button(
-                width / 2 + 90, height / 2 + 110, 20, 10,
+                sx + 91, sy + 97, 78, 20,
-                new TextComponent("\u2193"),
+                new TextComponent("Increase"),
                 button -> clickButton(4)
         );
 
+        switchUnbreakableBtn = new Button(
+                sx + 7, sy + 123, 162, 20,
+                new TextComponent(""),
+                button -> clickButton(5)
+        );
+
         addRenderableWidget(enchantBtn);
-        addRenderableWidget(nextBtn);
         addRenderableWidget(prevBtn);
-        addRenderableWidget(increaseLevelBtn);
+        addRenderableWidget(nextBtn);
         addRenderableWidget(decreaseLevelBtn);
+        addRenderableWidget(increaseLevelBtn);
+        addRenderableWidget(switchUnbreakableBtn);
+        addRenderableOnly(new Label(
+                new TextComponent("Selected Enchantment:"),
+                sx + 7, sy + 41, 0xFFFFFF, false
+        ));
         addRenderableOnly(currentEnchantmentLabel);
     }
 
     private void clickButton(int buttonId) {
         assert Minecraft.getInstance().player != null;
-         menu.clickMenuButton(Minecraft.getInstance().player, buttonId);
+        menu.clickMenuButton(Minecraft.getInstance().player, buttonId);
     }
 
     @Override
@@ -94,6 +111,11 @@ public class EnchanterScreen extends AbstractContainerScreen<EnchanterMenu> {
         this.blit(pPoseStack, x, y, 0, 0, imageWidth, imageHeight);
     }
 
+    @Override
+    protected void renderLabels(@NotNull PoseStack pPoseStack, int pMouseX, int pMouseY) {
+        this.font.draw(pPoseStack, this.title, (float) this.titleLabelX, (float) this.titleLabelY, 4210752);
+    }
+
     @Override
     public void render(@NotNull PoseStack pPoseStack, int mouseX, int mouseY, float delta) {
         renderBackground(pPoseStack);
@@ -104,21 +126,50 @@ public class EnchanterScreen extends AbstractContainerScreen<EnchanterMenu> {
         if (enchantmentInstance != null) {
             var enchantment = enchantmentInstance.enchantment;
             var level = enchantmentInstance.level;
-            Component description;
+            MutableComponent description;
             if (level == 0) {
                 description = new TranslatableComponent(enchantment.getDescriptionId());
             } else {
-                description = enchantment.getFullname(level);
+                description = new TranslatableComponent(enchantment.getDescriptionId());
+                description.withStyle(ChatFormatting.GREEN);
+                if (level != 1 || enchantment.getMaxLevel() != 1) {
+                    description.append(" ").append(new TranslatableComponent("enchantment.level." + level));
+                }
             }
             currentEnchantmentLabel.setText(description);
         } else {
             currentEnchantmentLabel.setText(new TextComponent("No enchantment selected"));
         }
 
-        enchantBtn.active = enchantmentInstance != null;
+        var enchantmentRequirements = menu.getEnchantmentRequirements();
+
+        if (Minecraft.getInstance().player != null) {
+            enchantBtn.active = enchantmentInstance != null && menu.requirementsMet(Minecraft.getInstance().player, enchantmentRequirements);
+        } else {
+            enchantBtn.active = false;
+        }
         nextBtn.active = enchantmentInstance != null;
         prevBtn.active = enchantmentInstance != null;
         increaseLevelBtn.active = enchantmentInstance != null;
         decreaseLevelBtn.active = enchantmentInstance != null;
+        switchUnbreakableBtn.active = enchantmentInstance != null;
+
+        switchUnbreakableBtn.setMessage(new TextComponent(menu.unbreakable() ? "Make unbreakable" : "Make breakable"));
+
+        if (enchantmentInstance != null && enchantBtn.isHoveredOrFocused()) {
+            renderTooltip(
+                    pPoseStack,
+                    new TextComponent("Requirements: ")
+                            .append(String.valueOf(enchantmentRequirements.lapis()))
+                            .append(new TextComponent(" lapis").withStyle(ChatFormatting.BLUE))
+                            .append(", ")
+                            .append(String.valueOf(enchantmentRequirements.netherite()))
+                            .append(new TextComponent(" netherite").withStyle(ChatFormatting.DARK_PURPLE))
+                            .append(", ")
+                            .append(String.valueOf(enchantmentRequirements.levels()))
+                            .append(new TextComponent(" levels").withStyle(ChatFormatting.YELLOW)),
+                    mouseX, mouseY
+            );
+        }
     }
 }

src/main/java/xyz/nuark/enchantrium/util/EnchantmentUtil.java

@@ -24,4 +24,21 @@ public class EnchantmentUtil {
 
         return list;
     }
+
+    public static EnchantmentCost calculateEnchantmentPrice(List<EnchantmentInstance> enchantments, boolean hasUnbreaking) {
+        if (enchantments.isEmpty()) {
+            return new EnchantmentCost(0, 0, 0);
+        }
+        int lapis = Math.min(20 + enchantments.size() * (hasUnbreaking ? 6 : 3), 64);
+        int netherite = Math.min(Math.max((hasUnbreaking ? 5 : -3) + enchantments.size() / 2, 0), 64);
+        int levels = enchantments.stream().reduce(
+                0,
+                (acc, enchantment) -> acc + enchantment.level,
+                Integer::sum
+        );
+        return new EnchantmentCost(levels, lapis, netherite);
+    }
+
+    public record EnchantmentCost(int levels, int lapis, int netherite) {
+    }
 }