Confettinator

The Confettinator block has a 9-slot inventory and is oriented in four directions, but it always fires upward. Unlike a dispenser, which picks a random item, it takes the first item it finds in its inventory. Right-clicking opens the screen, and placing items in it works much like a dispenser. Paper is turned into confetti, dye into colored confetti, glowstone dust into rainbow confetti, and fireworks fire as they would from a regular dispenser, while a firework charge explodes immediately after launch.

The block has one special side that accepts a redstone calibration, used the same way as a calibrated sculk sensor. Redstone dust powering that side changes the color of the confetti, or the color of the firework charge, according to the signal strength. A firework made this way keeps only one explosion, with a modified fade color. The mod runs on the client and on the server, so both the server and every player need it, and it depends on Fabric API. It uses the Confetti Lib library by Tomate0613 and is open source under the MIT License, with files for 1.21.7 – 1.21.8 on Fabric.