If this is missing, the AC will generate a content log. If no initial_state is defined, the state named default is used. When an entity loads into the world, it will enter the default animation controller state, in each of its attached animation controllers. In this section, I will explain it more explicitly. Through the examples, hopefully you are starting to get some concept for how animation controller flow works. Here is a sample description, which shows how the AC can first be defined in animations, and then played in scripts/animate. Run the animation controller via scripts.Define a short-name for the animation controller.To attach an AC into your entity, you must do two things: Attaching our controller to an entity #Īnimation controller are defined in their own files, and must be "attached" to entities before they can do anything.
Animation controllers always go under the animation_controllers folder, in either the RP, or the BP.
What are Animation Controllers? #Īnimation Controllers are Minecraft state machines that allow us to play animations and run commands. The branching flow of animation-controllers is a large part of what makes them powerful. States can also be dead-ends (since the helicopter is dead, and doesn't need further animation). Let us look at a more detailed example, which adds a third explode state:Īs you can see, states can go to more than one state at once. In this flowchart, states are represented by rectangles, and arrows represent transitions from one state to another.įlowcharts are a nice way to visualize multi-state finite-state-machines, is it allows you to follow the logical flow of the animation. Here is the state-machine, visualized as a flow-chart: We can annotate these states with the two pieces of information described above: The reason that state-machines are useful, is they allow us to naturally break up our animations into a logical flow, where each state handles its own animations and its own logic.įor example, imagine you want to animate the spinning blade of a helicopter - but only when on the ground. When a state machine "runs", you can think of it as moving from state to state, executing the logic inside, and then following transitions to other states. They aren't only found in minecraft! You can learn more about state machines here.Ī state machine can only be in one state at a time. State machines are used all over the place, especially in classical programming. State machines are a special kind of logic management, that relies on a series of states. In the resource pack, animation controllers (RPAC) are used to play animations, and in the behavior pack (BPAC), they are used to play commands, and command "animations". Animation controllers (AC) are state-machines that can be used in both the resource pack, and the behavior pack.
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