This sprite is used in pairs. You can carry them around, and when you enter one of them, like a pipe, you'll be teleported to the other end.
You can have up to four different pairs in a level at the same time, which act independently of each other and are distinguished by their color. The pairing depends on the extra byte.
A pair of pipes only works when there are exactly two of them in the level, and both are spawned (=the player has encountered both); they won't let you enter otherwise.
Fixed a few bugs during moderation, most notably:
- The $9D bug causing sprites to not properly freeze during transportation (note that this fix applies an actual hijack, and hence an unpatch file is included as well)
- Yoshi being able to eat the pipe during transportation, resulting in a variety of issues
- An OAM issue with SA-1
great sprite idea! BUT with the "Carry Sprites Through Doors and Pipes"-patch the carryable pipe becomes an unpressable P-switch - but carrying the carryable pipe through doors and big pipes would open up a lot of great options for concepts, ideas and creations! AND with the "vertical level wrap uberasm" it is not working...would love to put both in my hack! cheers
I found a bug as well, entering the pipe and dying at the same time results in a softlock. at least with worldpeace's retry patch, you cannot restart the level, thus a reset is required.
Bug found: $9D gets reset AFTER the carryable pipe sets $9D within a frame, causing other sprites to ignore $9D if you enter the second pipe (Pipe B) and return to the first pipe (pipe A) (it works normally if you enter pipe A and travel to B). I assume one of them is resetting $9D every frame during travel.
EDIT: you might want to breakpoint $9D as depending on what sprite slot it is on may be affected by $9D.
EDIT2: it seems to also happens vice verse as well between A and B. So certain sprite slots ignore $9D.
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