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Minecraft™ Mod Development in 24 Hours, Sams Teach Yourself by Jimmy Koene

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Adding Metadata to Items

Metadata is used in both items and blocks. It can be used to have multiple items without actually using multiple item IDs. An example of item metadata is dyes. They are all basically the same item. Instead of using up 16 different IDs, all of them are saved in a single one using metadata.

Now that you know what metadata is, you should add it to the two key items. To get metadata in the item, you must change a few things. First, you have to make a few changes to the constructor. Second, you must create a way to make every item have a different name, which is a bit more work than it is now. Third, you must add multiple images. Finally, you are required to tell Minecraft how many metadatas there are and how many should be ...

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