Remote Lava Boost RLB

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I explain all about the remote lava boost (RLB) and how we’ve tried (unsuccessfully) to use it to get past the pole 0x in BitFS to save that A press. • The remote lava boost is a technique where Mario can initiate a lava boost while being way above the lava. It had long been theorized, since there are other floor-related phenomena that can be experienced from way above the floor (e.g. steepness, quicksand death, water extinguishing burning). However, we weren’t able to experience a lava boost in this same way, and so we believed it to be impossible. But recently, I stumbled upon a comment from user “Ocarina of Masks”, who directed me to this twitch clip [ / 108070950 ] by twitch user SGib64. Comment for reference: • TTC The Pit and the Pendulums Re-En... . As soon as I saw the clip, I knew the trick had potential, and so I let others know. Soon after, many SM64 TASers and glitch exploiters were on the case, trying to replicate, dissect, and utilize the remote lava boost. In particular, Peter Fedak, Tyler Kehne, and Dane Bouchie all played important roles in determining how the remote lava boost works and why, namely by looking into the game's code. • To do a remote lava boost, Mario must be: • (1) already in a lava boost state • (2) currently above lava • (3) about to enter a pedro spot, i.e. a floor with a ceiling slightly above it • Pedro spots have interesting properties, since the floor hitbox allows Mario to land, but then the ceiling hitbox attempts to cancel this landing. This results in a sort of partial landing that has unintended effects. If one attempts to enter a pedro spot from midair, Mario will simply remain in midair - he doesn't fall down (since the floor keeps him up) and he doesn't land (since the ceiling prevents him from moving laterally). In this case, we attempt to enter a pedro spot while in a lava boost state and above lava. From the game's point of view, Mario both landed and is above lava, hence triggering a lava boost without actually touching the lava. Also, the reason why Mario needs to already be in a lava boost state for the remote lava boost is because if Mario's NOT in a lava boost state, then he uses a different parent collision function. • Unfortunately, this technique doesn't seem to allow us to get past the pole 0x, which all of us had been hoping for. Tyler determined that we need a 2+ unit gap between the floor and the ceiling for it to work, thereby concluding that the hypothetical pedro spot on the edge of the seesaw platform should not be able to exist. And Dane implemented an automated brute force tester to test having Mario move into the edge of the seesaw platform with varying conditions in order to check for pedro spots. Thus, this seems to be just another dead end. • Additional Notes • (1) Thanks to 1ted59 for making me aware of the remote quicksand death. Thanks to Tyler Kehne for making me aware of the remote ability to have water extinguish burning. • (2) This experience is a testament to just how capable the SM64 community is of figuring out how glitches work, so long as the glitches can be replicated. Indeed, as soon as we have a glitch in recorded inputs that we can play back, we can dissect the game's code to determine exactly what causes it. This is in stark contrast to the TTC upwarp, for which we have no replications available, and thus nothing to go on to figure out how it works.

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