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tutorial:containers

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tutorial:containers [2020/04/02 11:05] – Add more @Override annotations earthcomputertutorial:containers [2020/08/14 07:49] – evil cast my smol brain no understand leocth2
Line 6: Line 6:
  
 <code java [enable_line_numbers="true"] BiggerChestBlock.java> <code java [enable_line_numbers="true"] BiggerChestBlock.java>
-public class BiggerChestBlock extends Block implements BlockEntityProvider {+public class BiggerChestBlock extends BlockWithEntity {
     public BiggerChestBlock(Settings settings) {     public BiggerChestBlock(Settings settings) {
         super(settings);         super(settings);
 +    }
 +    
 +    // A side effect of extending BlockWithEntity is it changes the render type to INVISIBLE, so we have to revert this
 +    @Override
 +    public BlockRenderType getRenderType(BlockState state) {
 +        return BlockRenderType.MODEL;
     }     }
  
Line 44: Line 50:
             BlockEntity blockEntity = world.getBlockEntity(pos);             BlockEntity blockEntity = world.getBlockEntity(pos);
             if (blockEntity instanceof BiggerChestBlockEntity) {             if (blockEntity instanceof BiggerChestBlockEntity) {
-                ItemScatterer.spawn(world, (BlockPos)pos, (Inventory)((BiggerChestBlockEntity)blockEntity));+                ItemScatterer.spawn(world, pos, (BiggerChestBlockEntity)blockEntity);
                 // update comparators                 // update comparators
                 world.updateHorizontalAdjacent(pos, this);                 world.updateHorizontalAdjacent(pos, this);
Line 75: Line 81:
     public static final Identifier BIGGER_CHEST = new Identifier(MOD_ID, "bigger_chest_block");     public static final Identifier BIGGER_CHEST = new Identifier(MOD_ID, "bigger_chest_block");
  
-    public static final Block BIGGER_CHEST_BLOCK = new BiggerChestBlock(FabricBlockSettings.of(Material.METAL).build());+    public static final Block BIGGER_CHEST_BLOCK = new BiggerChestBlock(FabricBlockSettings.of(Material.METAL));
        
     @Override     @Override
Line 81: Line 87:
     {     {
         Registry.register(Registry.BLOCK, BIGGER_CHEST, BIGGER_CHEST_BLOCK);         Registry.register(Registry.BLOCK, BIGGER_CHEST, BIGGER_CHEST_BLOCK);
-        Registry.register(Registry.BLOCK, BIGGER_CHEST, new BlockItem(BIGGER_CHEST_BLOCK, new Item.Settings().group(ItemGroup.REDSTONE)));+        Registry.register(Registry.ITEM, BIGGER_CHEST, new BlockItem(BIGGER_CHEST_BLOCK, new Item.Settings().group(ItemGroup.REDSTONE)));
     }     }
 } }
Line 107: Line 113:
  
     @Override     @Override
-    protected Container createContainer(int syncId, PlayerInventory playerInventory) { +    protected ScreenHandler createScreenHandler(int syncId, PlayerInventory playerInventory) { 
-        return new BiggerChestContainer(syncId, playerInventory, (Inventory) this);+        return new BiggerChestScreenHandler(syncId, playerInventory, (Inventory) this);
     }     }
  
Line 122: Line 128:
  
     @Override     @Override
-    public int getInvSize() {+    public int size() {
         return INVENTORY_SIZE;         return INVENTORY_SIZE;
     }     }
Line 129: Line 135:
     public void fromTag(CompoundTag tag) {     public void fromTag(CompoundTag tag) {
         super.fromTag(tag);         super.fromTag(tag);
-        this.inventory = DefaultedList.ofSize(this.getInvSize(), ItemStack.EMPTY);+        this.inventory = DefaultedList.ofSize(this.size(), ItemStack.EMPTY);
         if (!this.deserializeLootTable(tag)) {         if (!this.deserializeLootTable(tag)) {
             Inventories.fromTag(tag, this.inventory);             Inventories.fromTag(tag, this.inventory);
Line 147: Line 153:
  
 ==== Container GUI and Screen ==== ==== Container GUI and Screen ====
-We need a Container Class and a ContainerScreen Class to display and sync the GUI. Container Classes are used to synchronize GUI state between the server and the client. ContainerScreen Classes are fully client-sided and are responsible for drawing GUI elements.+We need a ScreenHandler Class and a HandledScreen Class to display and sync the GUI. ScreenHandler classes are used to synchronize GUI state between the server and the client. HandledScreen classes are fully client-sided and are responsible for drawing GUI elements.
  
-<code java [enable_line_numbers="true"] BiggerChestContainer.java> +<code java [enable_line_numbers="true"] BiggerChestScreenHandler.java> 
-public class BiggerChestContainer extends Container {+public class BiggerChestScreenHandler extends ScreenHandler {
     private final Inventory inventory; // Chest inventory     private final Inventory inventory; // Chest inventory
     private static final int INVENTORY_SIZE = 54; // 6 rows * 9 cols     private static final int INVENTORY_SIZE = 54; // 6 rows * 9 cols
  
-    protected BiggerChestContainer(int syncId, PlayerInventory playerInventory, Inventory inventory) { +    protected BiggerChestScreenHandler(int syncId, PlayerInventory playerInventory, Inventory inventory) { 
-        super(null, syncId); // Since we didn't create a ContainerType, we will place null here.+        super(null, syncId); // Since we didn't create a ScreenHandlerType, we will place null here.
         this.inventory = inventory;         this.inventory = inventory;
-        checkContainerSize(inventory, INVENTORY_SIZE); +        checkSize(inventory, INVENTORY_SIZE); 
-        inventory.onInvOpen(playerInventory.player);+        inventory.onOpen(playerInventory.player);
  
-        // Creating Slots for GUI. A Slot is essentially a correspoding from inventory itemstacks to the GUI position.+        // Creating Slots for GUI. A Slot is essentially a corresponding from inventory ItemStacks to the GUI position.
         int i;         int i;
         int j;         int j;
Line 187: Line 193:
     @Override     @Override
     public boolean canUse(PlayerEntity player) {     public boolean canUse(PlayerEntity player) {
-        return this.inventory.canPlayerUseInv(player);+        return this.inventory.canPlayerUse(player);
     }     }
  
Line 219: Line 225:
  
 <code java [enable_line_numbers="true"] BiggerChestScreen.java> <code java [enable_line_numbers="true"] BiggerChestScreen.java>
-public class BiggerChestScreen extends ContainerScreen<BiggerChestContainer> {+public class BiggerChestScreen extends HandledScreen<BiggerChestScreenHandler> {
  
     // a path to gui texture, you may replace it with new Identifier(YourMod.MOD_ID, "textures/gui/container/your_container.png");     // a path to gui texture, you may replace it with new Identifier(YourMod.MOD_ID, "textures/gui/container/your_container.png");
     private static final Identifier TEXTURE = new Identifier("textures/gui/container/generic_54.png");     private static final Identifier TEXTURE = new Identifier("textures/gui/container/generic_54.png");
  
-    public BiggerChestScreen(BiggerChestContainer container, PlayerInventory playerInventory, Text title) { +    public BiggerChestScreen(BiggerChestScreenHandler handler, PlayerInventory playerInventory, Text title) { 
-        super(container, playerInventory, title); +        super(handler, playerInventory, title); 
-        this.containerHeight = 114 + 6 * 18;+        this.backgroundHeight = 114 + 6 * 18;
     }     }
  
     @Override     @Override
-    protected void drawForeground(int mouseX, int mouseY) { +    protected void drawForeground(MatrixStack matrices, int mouseX, int mouseY) { 
-        this.font.draw(this.title.asFormattedString(), 8.0F, 6.0F, 4210752); +        this.textRenderer.draw(matrices, this.title.asString(), 8.0F, 6.0F, 4210752); 
-        this.font.draw(this.playerInventory.getDisplayName().asFormattedString(), 8.0F, (float)(this.containerHeight - 96 + 2), 4210752);+        this.textRenderer.draw(matrices, this.playerInventory.getDisplayName().asString(), 8.0F, (float)(this.backgroundHeight - 96 + 2), 4210752);
     }     }
  
Line 238: Line 244:
     protected void drawBackground(float delta, int mouseX, int mouseY) {     protected void drawBackground(float delta, int mouseX, int mouseY) {
         RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F);         RenderSystem.color4f(1.0F, 1.0F, 1.0F, 1.0F);
-        this.minecraft.getTextureManager().bindTexture(TEXTURE); +        this.client.getTextureManager().bindTexture(TEXTURE); 
-        int i = (this.width - this.containerWidth) / 2; +        int i = (this.width - this.backgroundWidth) / 2; 
-        int j = (this.height - this.containerHeight) / 2; +        int j = (this.height - this.backgroundHeight) / 2; 
-        this.blit(i, j, 0, 0, this.containerWidth, 6 * 18 + 17); +        this.blit(i, j, 0, 0, this.backgroundWidth, 6 * 18 + 17); 
-        this.blit(i, j + 6 * 18 + 17, 0, 126, this.containerWidth, 96);+        this.blit(i, j + 6 * 18 + 17, 0, 126, this.backgroundWidth, 96);
     }     }
 } }
tutorial/containers.txt · Last modified: 2022/05/27 15:57 by solidblock