block entity screen

Author: Kaupenjoe

src/main/java/net/kaupenjoe/tutorialmod/TutorialMod.java

@@ -19,6 +19,7 @@
 import net.kaupenjoe.tutorialmod.item.ModItems;
 import net.kaupenjoe.tutorialmod.particle.ModParticles;
 import net.kaupenjoe.tutorialmod.potion.ModPotions;
+import net.kaupenjoe.tutorialmod.screen.ModScreenHandlers;
 import net.kaupenjoe.tutorialmod.sound.ModSounds;
 import net.kaupenjoe.tutorialmod.util.HammerUsageEvent;
 import net.kaupenjoe.tutorialmod.util.ModLootTableModifiers;
@@ -66,6 +67,7 @@ public void onInitialize() {
 		ModLootTableModifiers.modifyLootTables();
 
 		ModBlockEntities.registerBlockEntities();
+		ModScreenHandlers.registerScreenHandlers();
 
 		FuelRegistry.INSTANCE.add(ModItems.STARLIGHT_ASHES, 600);
 

src/main/java/net/kaupenjoe/tutorialmod/TutorialModClient.java

@@ -12,7 +12,11 @@
 import net.kaupenjoe.tutorialmod.entity.client.*;
 import net.kaupenjoe.tutorialmod.particle.ModParticles;
 import net.kaupenjoe.tutorialmod.particle.PinkGarnetParticle;
+import net.kaupenjoe.tutorialmod.screen.ModScreenHandlers;
+import net.kaupenjoe.tutorialmod.screen.custom.PedestalScreen;
 import net.kaupenjoe.tutorialmod.util.ModModelPredicates;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.gui.screen.ingame.HandledScreens;
 import net.minecraft.client.render.RenderLayer;
 import net.minecraft.client.render.block.entity.BlockEntityRendererFactories;
 import net.minecraft.client.render.block.entity.BlockEntityRendererFactory;
@@ -41,5 +45,6 @@ public void onInitializeClient() {
         ParticleFactoryRegistry.getInstance().register(ModParticles.PINK_GARNET_PARTICLE, PinkGarnetParticle.Factory::new);
 
         BlockEntityRendererFactories.register(ModBlockEntities.PEDESTAL_BE, PedestalBlockEntityRenderer::new);
+        HandledScreens.register(ModScreenHandlers.PEDESTAL_SCREEN_HANDLER, PedestalScreen::new);
     }
 }

src/main/java/net/kaupenjoe/tutorialmod/block/custom/PedestalBlock.java

@@ -79,6 +79,8 @@ protected ItemActionResult onUseWithItem(ItemStack stack, BlockState state, Worl
 
                 pedestalBlockEntity.markDirty();
                 world.updateListeners(pos, state, state, 0);
+            } else if(player.isSneaking() && !world.isClient()) {
+                player.openHandledScreen(pedestalBlockEntity);
             }
         }
 

src/main/java/net/kaupenjoe/tutorialmod/block/entity/custom/PedestalBlockEntity.java

@@ -1,21 +1,28 @@
 package net.kaupenjoe.tutorialmod.block.entity.custom;
 
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory;
 import net.kaupenjoe.tutorialmod.block.entity.ImplementedInventory;
 import net.kaupenjoe.tutorialmod.block.entity.ModBlockEntities;
+import net.kaupenjoe.tutorialmod.screen.custom.PedestalScreenHandler;
 import net.minecraft.block.BlockState;
 import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.inventory.Inventories;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NbtCompound;
 import net.minecraft.network.listener.ClientPlayPacketListener;
 import net.minecraft.network.packet.Packet;
 import net.minecraft.network.packet.s2c.play.BlockEntityUpdateS2CPacket;
 import net.minecraft.registry.RegistryWrapper;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Text;
 import net.minecraft.util.collection.DefaultedList;
 import net.minecraft.util.math.BlockPos;
 import org.jetbrains.annotations.Nullable;
 
-public class PedestalBlockEntity extends BlockEntity implements ImplementedInventory {
+public class PedestalBlockEntity extends BlockEntity implements ImplementedInventory, ExtendedScreenHandlerFactory<BlockPos> {
     private final DefaultedList<ItemStack> inventory = DefaultedList.ofSize(1, ItemStack.EMPTY);
     private float rotation = 0;
 
@@ -48,6 +55,23 @@ protected void readNbt(NbtCompound nbt, RegistryWrapper.WrapperLookup registryLo
         Inventories.readNbt(nbt, inventory, registryLookup);
     }
 
+    @Override
+    public BlockPos getScreenOpeningData(ServerPlayerEntity player) {
+        return this.pos;
+    }
+
+    @Override
+    public Text getDisplayName() {
+        return Text.literal("Pedestal");
+    }
+
+    @Nullable
+    @Override
+    public ScreenHandler createMenu(int syncId, PlayerInventory playerInventory, PlayerEntity player) {
+        return new PedestalScreenHandler(syncId, playerInventory, this.pos);
+    }
+
+
     @Nullable
     @Override
     public Packet<ClientPlayPacketListener> toUpdatePacket() {

src/main/java/net/kaupenjoe/tutorialmod/screen/ModScreenHandlers.java

@@ -0,0 +1,20 @@
+package net.kaupenjoe.tutorialmod.screen;
+
+import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerType;
+import net.kaupenjoe.tutorialmod.TutorialMod;
+import net.kaupenjoe.tutorialmod.screen.custom.PedestalScreenHandler;
+import net.minecraft.registry.Registries;
+import net.minecraft.registry.Registry;
+import net.minecraft.screen.ScreenHandlerType;
+import net.minecraft.util.Identifier;
+import net.minecraft.util.math.BlockPos;
+
+public class ModScreenHandlers {
+    public static final ScreenHandlerType<PedestalScreenHandler> PEDESTAL_SCREEN_HANDLER =
+            Registry.register(Registries.SCREEN_HANDLER, Identifier.of(TutorialMod.MOD_ID, "pedestal_screen_handler"),
+                    new ExtendedScreenHandlerType<>(PedestalScreenHandler::new, BlockPos.PACKET_CODEC));
+
+    public static void registerScreenHandlers() {
+        TutorialMod.LOGGER.info("Registering Screen Handlers for " + TutorialMod.MOD_ID);
+    }
+}

src/main/java/net/kaupenjoe/tutorialmod/screen/custom/PedestalScreen.java

@@ -0,0 +1,31 @@
+package net.kaupenjoe.tutorialmod.screen.custom;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import net.kaupenjoe.tutorialmod.TutorialMod;
+import net.minecraft.client.gui.DrawContext;
+import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.render.GameRenderer;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
+
+public class PedestalScreen extends HandledScreen<PedestalScreenHandler> {
+    public static final Identifier GUI_TEXTURE =
+            Identifier.of(TutorialMod.MOD_ID, "textures/gui/pedestal/pedestal_gui.png");
+
+    public PedestalScreen(PedestalScreenHandler handler, PlayerInventory inventory, Text title) {
+        super(handler, inventory, title);
+    }
+
+    @Override
+    protected void drawBackground(DrawContext context, float delta, int mouseX, int mouseY) {
+        RenderSystem.setShader(GameRenderer::getPositionTexProgram);
+        RenderSystem.setShaderColor(1f, 1f, 1f, 1f);
+        RenderSystem.setShaderTexture(0, GUI_TEXTURE);
+
+        int x = (width - backgroundWidth) / 2;
+        int y = (height - backgroundHeight) / 2;
+
+        context.drawTexture(GUI_TEXTURE, x, y, 0, 0, backgroundWidth, backgroundHeight);
+    }
+}

src/main/java/net/kaupenjoe/tutorialmod/screen/custom/PedestalScreenHandler.java

@@ -0,0 +1,77 @@
+package net.kaupenjoe.tutorialmod.screen.custom;
+
+import net.kaupenjoe.tutorialmod.screen.ModScreenHandlers;
+import net.minecraft.block.entity.BlockEntity;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.inventory.Inventory;
+import net.minecraft.item.ItemStack;
+import net.minecraft.screen.ScreenHandler;
+import net.minecraft.screen.slot.Slot;
+import net.minecraft.util.math.BlockPos;
+
+public class PedestalScreenHandler extends ScreenHandler {
+    private final Inventory inventory;
+
+    public PedestalScreenHandler(int syncId, PlayerInventory playerInventory, BlockPos pos) {
+        this(syncId, playerInventory, playerInventory.player.getWorld().getBlockEntity(pos));
+    }
+
+    public PedestalScreenHandler(int syncId, PlayerInventory playerInventory, BlockEntity blockEntity) {
+        super(ModScreenHandlers.PEDESTAL_SCREEN_HANDLER, syncId);
+        this.inventory = ((Inventory) blockEntity);
+
+        this.addSlot(new Slot(inventory, 0, 80, 35) {
+            @Override
+            public int getMaxItemCount() {
+                return 1;
+            }
+        });
+
+        addPlayerInventory(playerInventory);
+        addPlayerHotbar(playerInventory);
+    }
+
+    @Override
+    public ItemStack quickMove(PlayerEntity player, int invSlot) {
+        ItemStack newStack = ItemStack.EMPTY;
+        Slot slot = this.slots.get(invSlot);
+        if (slot != null && slot.hasStack()) {
+            ItemStack originalStack = slot.getStack();
+            newStack = originalStack.copy();
+            if (invSlot < this.inventory.size()) {
+                if (!this.insertItem(originalStack, this.inventory.size(), this.slots.size(), true)) {
+                    return ItemStack.EMPTY;
+                }
+            } else if (!this.insertItem(originalStack, 0, this.inventory.size(), false)) {
+                return ItemStack.EMPTY;
+            }
+
+            if (originalStack.isEmpty()) {
+                slot.setStack(ItemStack.EMPTY);
+            } else {
+                slot.markDirty();
+            }
+        }
+        return newStack;
+    }
+
+    @Override
+    public boolean canUse(PlayerEntity player) {
+        return this.inventory.canPlayerUse(player);
+    }
+
+    private void addPlayerInventory(PlayerInventory playerInventory) {
+        for (int i = 0; i < 3; ++i) {
+            for (int l = 0; l < 9; ++l) {
+                this.addSlot(new Slot(playerInventory, l + i * 9 + 9, 8 + l * 18, 84 + i * 18));
+            }
+        }
+    }
+
+    private void addPlayerHotbar(PlayerInventory playerInventory) {
+        for (int i = 0; i < 9; ++i) {
+            this.addSlot(new Slot(playerInventory, i, 8 + i * 18, 142));
+        }
+    }
+}