Cutscene API

The library moves the player's camera along a path during a cutscene. A path is assembled from segments, and each segment can be a straight run, a curve shaped by control points, a smooth spline through several points, or a fixed point at given coordinates, with positions optionally set by math functions. Camera rotation follows the same kinds of segments, and a special segment can keep the camera looking at a specific point. The player's view does not snap to the start of the path, and transitions such as smooth ease, fade-in and fade-out can be set to enter and leave the scene gently. The screen color need not be one constant and can change between the start and end of the cutscene.

While a cutscene runs, the library can stop the player from moving, turning the head, breaking blocks, using items or taking damage, and spectator mobs do not target the player. Effects can show text that appears slowly over time, and the library includes helpers that draw simple geometry from triangles, rectangles and textures at set positions. The author describes the time handling as somewhat unstable, so timing-sensitive scenes may need testing.

Cutscene API is published for Fabric, Forge, NeoForge and Quilt and is licensed under the MIT License, so the code is open source. It needs Fabric API and runs on client and server. Its files cover 9 release versions, 1.20 – 1.21.4, and the latest builds target 1.21.1 for Fabric and NeoForge and 1.20.1 for Forge and Quilt.