Text literals can be created in C++ by using the LOCTEXT family of macros.Ĭreates a localized piece of text by defining the namespace, key, and source string.Ĭreates a localized piece of text by defining the key and source string, with the namespace being defined with LOCTEXT_NAMESPACE.Įxample: // Define the namespace to use with LOCTEXT The most common way to create localizable text in UE4 is by using a text literal. Localizable text is made up of three components: a namespace a key (which form its identity) and a source string (which is the basis of what gets translated, and acts as validation against "stale" translations). The INVTEXT macro can do the same thing for literal strings. If you need text that not localizable (such as converting a player name from an external API into something you can display in your UI), you can use FText::AsCultureInvariant, which produces an FText instance that has no localization data (and cannot be localized). Text histories support the culture-correct rebuilding of text, and and also form the key component for the following: This variance is handled by the internal "text history" ( FTextHistory). The data held within FText instances varies, depending on how the FText was created. This makes it very cheap to copy, and the FTextSnapshot utility provides an efficient way to detect if a cached FText value has actually changed. Internally, FText is implemented as a TSharedRef to an ITextData. This should be used when you have user-facing text that needs to be localized. It is a specialized string, represented by the FText type in C++. While Ordinals have been available for Bitcoin since the beginning of 2023, they are also present on the Litecoin blockchain after a hard fork introduced them on February 20, 2023.Text in Unreal Engine 4 (UE4) is the primary component for localization. However, these two separate protocols can work together on the Bitcoin blockchain. The biggest difference between Stacks and Ordinals is that the former uses smart contracts, and the latter does not. However, Stacks is a Layer 2 solution, unlike Ordinals, which exist on Layer 1. This is similar to Ethereum, a blockchain that supports smart contracts to execute transactions more efficiently. Bitcoin Stacks stem from another blockchain protocol that lets users build smart contracts. Though the focus here is Ordinals, it's also worth mentioning Stacks. Because of the location reference offered by inscriptions, Satoshis can become NFTs in their own right and traded as such. What's important to note is that Bitcoin inscriptions can contain additional digital content within Satoshis, such as images and videos, similar to typical NFTs. Inscriptions are stored within the unique Bitcoin transaction signature. It's then down to the miner whether they want to create a standard block with regular BTC transactions or a block containing an Ordinal (along with smaller transactions to make up for the remaining space). When a given file is inscribed during a Bitcoin transaction, the transaction heads to the mempool (a standard practice) but is larger than a typical Bitcoin transaction due to the additional data. However, these do share differences, which we'll discuss later. Inscriptions are what point to the location of these Bitcoin NFTs, which is also a typical element in Ethereum-based NFTs. The introduction of Ordinals gives the Bitcoin blockchain a new lease of life regarding utility, as creators can now serve a purpose within the network.īitcoin Ordinals use inscriptions to add extra data to transactions. A maximum data amount of 3.9MB can be added to a given Satoshi transaction, and much of this data is currently utilized for digital art files.
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