Java Code Examples for net.minecraft.item.ItemBlock#getBlock()

@SubscribeEvent
public void onAttachCapabilityEventItem(AttachCapabilitiesEvent event) {
    if (event.getObject() instanceof ItemStack) {
        ItemStack stack = (ItemStack) event.getObject();
        Item item = stack.getItem();

        if (item instanceof ItemValkyriumCrystal) {
            event.addCapability(
                new ResourceLocation(ValkyrienSkiesWorld.MOD_ID, "AntiGravityValue"),
                new AntiGravityCapabilityProvider(VSConfig.valkyriumCrystalForce));
        }
        if (stack.getItem() instanceof ItemBlock) {
            ItemBlock blockItem = (ItemBlock) stack.getItem();
            if (blockItem.getBlock() instanceof BlockValkyriumOre) {
                event.addCapability(
                    new ResourceLocation(ValkyrienSkiesWorld.MOD_ID, "AntiGravityValue"),
                    new AntiGravityCapabilityProvider(VSConfig.valkyriumOreForce));
            }
        }
    }
}
 

@SubscribeEvent
public void playerTick(PlayerTickEvent event) {
    if (event.phase == Phase.START) {
        EntityPlayer player = event.player;
        //TODO: fix the fall damage
        // @thebest108: what fall damage?
        //                    --DaPorkchop_, 28/03/2017
        if (VSConfig.doValkyriumLifting && !player.isCreative()) {
            for (NonNullList<ItemStack> stackArray : player.inventory.allInventories) {
                for (ItemStack stack : stackArray) {
                    if (stack != null) {
                        if (stack.getItem() instanceof ItemBlock) {
                            ItemBlock blockItem = (ItemBlock) stack.getItem();
                            if (blockItem.getBlock() instanceof BlockValkyriumOre) {
                                player.addVelocity(0, .0025D * stack.stackSize * VSConfig.valkyriumOreForce, 0);
                            }
                        } else if (stack.getItem() instanceof ItemValkyriumCrystal) {
                            player.addVelocity(0, .0025D * stack.stackSize * VSConfig.valkyriumCrystalForce, 0);
                        }
                    }
                }
            }
        }
    }
}
 

private boolean hasStack(Block type) {
    if (mc.player.inventory.getCurrentItem().getItem() instanceof ItemBlock) {
        final ItemBlock block = (ItemBlock) mc.player.inventory.getCurrentItem().getItem();
        return block.getBlock() == type;
    }
    return false;
}
 

private boolean slotEqualsBlock (int slot, Block type) {
    if (mc.player.inventory.getStackInSlot(slot).getItem() instanceof ItemBlock) {
        final ItemBlock block = (ItemBlock) mc.player.inventory.getStackInSlot(slot).getItem();
        return block.getBlock() == type;
    }

    return false;
}
 

private int findStackHotbar(Block type) {
    for (int i = 0; i < 9; i++) {
        final ItemStack stack = Minecraft.getMinecraft().player.inventory.getStackInSlot(i);
        if (stack.getItem() instanceof ItemBlock) {
            final ItemBlock block = (ItemBlock) stack.getItem();

            if (block.getBlock() == type) {
                return i;
            }
        }
    }
    return -1;
}
 

private static BlockRailBase getRailBlock(ItemStack stack){
    if(stack.getItem() instanceof ItemBlock) {
        ItemBlock item = (ItemBlock)stack.getItem();
        return item.getBlock() instanceof BlockRailBase ? (BlockRailBase)item.getBlock() : null; //Only allow simple registered IRails to be placed
    }
    return null;
}
 

@Nullable
private IBlockState getPlacementStateForPosition(int position, World world, BlockPos pos, FakePlayer player, ItemStack stack)
{
    if (this.blockInfoTaken[position] != null)
    {
        return this.blockInfoTaken[position].getState();
    }

    // The Normal variant shouldn't place blocks into positions it didn't take them from,
    // unless it hasn't taken any blocks but was instead extended with inserted-only items.
    if ((this.isAdvanced() || this.numTaken == 0) &&
         stack.isEmpty() == false && stack.getItem() instanceof ItemBlock)
    {
        ItemBlock itemBlock = (ItemBlock) stack.getItem();
        Block block = itemBlock.getBlock();

        if (block != null && block != Blocks.AIR)
        {
            int meta = itemBlock.getMetadata(stack.getMetadata());
            player.rotationYaw = this.getFacing().getHorizontalAngle();

            return block.getStateForPlacement(world, pos, EnumFacing.UP, 0.5f, 1f, 0.5f, meta, player, EnumHand.MAIN_HAND);
        }
    }

    return null;
}
 

/**
 * Little utility method for dumping out a list of all the Minecraft items, plus as many useful attributes as
 * we can find for them. This is primarily used by decision_tree_test.py but might be useful for real-world applications too.
 *
 * @param filename location to save the dumped list.
 * @throws IOException
 */
public static void dumpItemProperties(String filename) throws IOException {
    FileOutputStream fos = new FileOutputStream("..//..//build//install//Python_Examples//item_database.json");
    OutputStreamWriter osw = new OutputStreamWriter(fos, "utf-8");
    BufferedWriter writer = new BufferedWriter(osw);
    JsonArray itemTypes = new JsonArray();
    for (ResourceLocation i : Item.REGISTRY.getKeys()) {
        Item item = Item.REGISTRY.getObject(i);
        if (item != null) {
            JsonObject json = new JsonObject();
            json.addProperty("type", Item.REGISTRY.getNameForObject(item).toString().replace("minecraft:", ""));
            json.addProperty("damageable", item.isDamageable());
            json.addProperty("rendersIn3D", item.isFull3D());
            json.addProperty("repairable", item.isRepairable());
            CreativeTabs tab = item.getCreativeTab();
            json.addProperty("tab", ((tab != null) ? item.getCreativeTab().getTabLabel() : "none"));
            ItemStack is = item.getDefaultInstance();
            json.addProperty("stackable", is.isStackable());
            json.addProperty("enchantable", is.isItemEnchantable());
            json.addProperty("rare", (is.getRarity() == EnumRarity.RARE));    // Enum has four types, but only two (COMMON and RARE) appear to be used.
            json.addProperty("action", is.getItemUseAction().toString());
            json.addProperty("hasSubtypes", item.getHasSubtypes());
            json.addProperty("maxDamage", is.getMaxDamage());
            json.addProperty("maxUseDuration", is.getMaxItemUseDuration());
            json.addProperty("block", item instanceof ItemBlock);
            json.addProperty("hasContainerItem", item.hasContainerItem());
            if (item instanceof ItemBlock) {
                ItemBlock ib = (ItemBlock) item;
                Block b = ib.getBlock();
                IBlockState bs = b.getDefaultState();
                json.addProperty("slipperiness", b.slipperiness);
                json.addProperty("hardness", bs.getBlockHardness(null, null));
                json.addProperty("causesSuffocation", bs.causesSuffocation());
                json.addProperty("canProvidePower", bs.canProvidePower());
                json.addProperty("translucent", bs.isTranslucent());
                Material mat = bs.getMaterial();
                if (mat != null) {
                    json.addProperty("canBurn", mat.getCanBurn());
                    json.addProperty("isLiquid", mat.isLiquid());
                    json.addProperty("blocksMovement", mat.blocksMovement());
                    json.addProperty("needsNoTool", mat.isToolNotRequired());
                    json.addProperty("isReplaceable", mat.isReplaceable());
                    json.addProperty("pistonPushable", mat.getMobilityFlag() == EnumPushReaction.NORMAL);
                    json.addProperty("woodenMaterial", mat == Material.WOOD);
                    json.addProperty("ironMaterial", mat == Material.IRON);
                    json.addProperty("glassyMaterial", mat == Material.GLASS);
                    json.addProperty("clothMaterial", mat == Material.CLOTH);
                }

                boolean hasDirection = false;
                boolean hasColour = false;
                boolean hasVariant = false;
                for (IProperty prop : bs.getProperties().keySet()) {
                    System.out.println(Item.REGISTRY.getNameForObject(item).toString() + " -- " + prop);
                    if (prop instanceof PropertyDirection)
                        hasDirection = true;
                    if (prop instanceof PropertyEnum && prop.getName().equals("color"))
                        hasColour = true;
                    if (prop instanceof PropertyEnum && prop.getName().equals("variant")) {
                        hasVariant = true;
                        json.addProperty("variant", bs.getValue(prop).toString());
                    }
                }
                json.addProperty("hasDirection", hasDirection);
                json.addProperty("hasColour", hasColour);
                json.addProperty("hasVariant", hasVariant);
            }
            itemTypes.add(json);
        }
    }
    writer.write(itemTypes.toString());
    writer.close();
}