Mojang is between two major updates. It recently wrapped up its long-awaited Caves and Cliffs update this past year and will soon be focusing on The Wild. Before then, Mojang is dropping a surprise Minecraft snapshot that deals with a wide variety of tweaks, technical changes, and fixes. It also adds a surprisingly important feature that Minecraft players will be surprised has never been added to the game before. It's called "placefeature" and it does exactly what its name implies.
"Placefeature" allows Minecraft users to place "features" within the world, with features meaning items used in world generation. Some examples include trees, grass, and blocks, but also more complex features like monster rooms, lakes of lava, amethyst geodes, and End islands. If it's tied to world generation, then it should be able to be inserted into a Minecraft game using the placefeature functionality. Note that there are limitations. For example, structures, creatures, and NPCs don't appear to be included.
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The placefeature functionality works in-game much like any other Minecraft command, which can be input using chat. Players can type "/" in chat to pull up a list of all supported commands, which they can then peruse. Commands include "difficulty," "debug," "weather," and other options that alter the game's systems. Placefeature requires two variables to work. First, it needs the <id> of the feature to be inserted, though it can also be selected from a menu. Second, it uses the position variable [pos] which utilizes x, y, and z coordinates. "~ ~ ~" is used by default and places the feature at the player's location.
It's easy to see how placefeature can be utilized in exciting and
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