Game Development Reference
In-Depth Information
Tip: Trapped Chests In Multiplayer Worlds
Place a tripwire hook and a standard chest on a crafting table to create a trapped
chest. This sends a signal when opened and is great for multiplayer. You can use
the signal for almost anything from kind intent to evil intention. Play a happy note
from a note block, or slide open the floor under the player's feet to boil him in a
lake of lava. You can be as nice or as diabolical as you like.
Trappedchestshaveasmallredsquaresurroundingthelatchthatmaysendawarn-
ing to an alert player. Place a sign on the front to hide the texture. (You'll need to
sneak place by holding down the Shift key while right-clicking). The text is up to
you, but saying “FREE TOOLS; HELP YOURSELF” or “DIAMOND STORE”
can be quite effective. A small amount of the red texture remains visible but prob-
ablywon'tbeseenbyaravagingplayerintentonstealingyourhorde.Youcanalso
hide the texture entirely by digging a hole and sinking the chest into the ground.
Oh what fun!
Detector Rail —Detector rails send off a signal as a minecart rolls over the top. This can
be used to switch tracks, turn off other powered rails to prevent collisions, open doors, fill
and empty hoppers, and so on. Connect a comparator to a detector rail to trigger a signal
that can shunt full minecarts in one direction and empty ones in another. This is useful for
shuntingasideemptyminecartsreadyforreusewhilesendingafullone(onethatyoumight
be riding) to another destination such as a train station, but there are many other uses.
All other containers (the chest, hopper, furnace, dropper, dispenser, jukebox, and brewing
stand) also emit a signal that varies in strength according to their contents. Tap this signal
with a redstone comparator, described later in the chapter, to turn it into an output that you
can use elsewhere.
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