Entrance condition:

{
  "comeInWithSidePlatform": {
    "platforms": [
      {
        "minHeight": 1,
        "maxHeight": 1,
        "minTiles": 8.4375,
        "speedBooster": true,
        "obstructions": [
          [
            1,
            0
          ]
        ],
        "requires": [
          "HiJump",
          "canMomentumConservingTurnaround"
        ],
        "note": [
          "This applies to Warehouse Entrance."
        ]
      },
      {
        "minHeight": 2,
        "maxHeight": 2,
        "minTiles": 8,
        "speedBooster": true,
        "obstructions": [
          [
            1,
            0
          ]
        ],
        "requires": [
          "HiJump",
          "canMomentumConservingTurnaround"
        ],
        "note": [
          "This applies to Ridley Tank Room and Dust Torizo Room."
        ]
      },
      {
        "minHeight": 3,
        "maxHeight": 3,
        "minTiles": 9,
        "speedBooster": true,
        "obstructions": [
          [
            1,
            0
          ]
        ],
        "requires": [
          "HiJump",
          "canMomentumConservingTurnaround"
        ],
        "note": [
          "This applies to Big Boy Room and Mickey Mouse Room."
        ]
      },
      {
        "minHeight": 2,
        "maxHeight": 2,
        "minTiles": 27.4375,
        "speedBooster": true,
        "obstructions": [
          [
            1,
            0
          ]
        ],
        "requires": [
          "canMomentumConservingTurnaround"
        ],
        "note": [
          "This applies to Dust Torizo Room."
        ],
        "devNote": [
          "The jump could also be done with a shorter runway, with a tricky dash jump using run speed $4.0 or $4.1.",
          "But it wouldn't apply to any more rooms in the game."
        ]
      },
      {
        "minHeight": 3,
        "maxHeight": 3,
        "minTiles": 39.4375,
        "speedBooster": true,
        "obstructions": [
          [
            3,
            2
          ]
        ],
        "requires": [
          "canTrickyJump"
        ],
        "note": [
          "This applies to Metal Pirates Room."
        ]
      },
      {
        "minHeight": 2,
        "maxHeight": 2,
        "minTiles": 23,
        "speedBooster": true,
        "obstructions": [
          [
            3,
            0
          ]
        ],
        "requires": [
          "HiJump",
          "canMomentumConservingMorph",
          "canInsaneJump",
          "canInsaneMidAirMorph"
        ],
        "note": [
          "This applies to Metroid Room 1.",
          "In the previous room, perform a last-frame jump,",
          "then morph on the last possible frame before bonking the ceiling.",
          "After the transition, unmorph within the first 2 frames, to conserve upward momentum."
        ]
      },
      {
        "minHeight": 2,
        "maxHeight": 2,
        "minTiles": 45,
        "speedBooster": true,
        "obstructions": [
          [
            3,
            0
          ]
        ],
        "requires": [
          "canInsaneJump",
          {
            "or": [
              "canMomentumConservingMorph",
              {
                "and": [
                  "canMomentumConservingTurnaround",
                  "canBeVeryPatient"
                ]
              }
            ]
          }
        ],
        "note": [
          "This applies to Statues Hallway.",
          "This can be done in two ways:",
          "1) If Morph is available, perform a momentum-conserving morph through the transition,",
          "then unmorph as soon as possible after the transition.",
          "2) Alternatively, do an extremely precise momentum-conserving turnaround through the transition."
        ],
        "devNote": [
          "The momentum-conserving turnaround is double frame-perfect,",
          "requiring a last-frame jump and frame-perfect turnaround just before Samus would bonk the ceiling."
        ]
      },
      {
        "minHeight": 3,
        "maxHeight": 3,
        "minTiles": 39.4375,
        "speedBooster": true,
        "obstructions": [
          [
            3,
            0
          ]
        ],
        "requires": [
          "canMomentumConservingMorph"
        ],
        "note": [
          "This applies to Flyway."
        ]
      },
      {
        "minHeight": 2,
        "maxHeight": 2,
        "minTiles": 45,
        "speedBooster": true,
        "obstructions": [
          [
            4,
            0
          ]
        ],
        "requires": [
          "canMomentumConservingMorph",
          "canInsaneJump",
          "canInsaneMidAirMorph"
        ],
        "note": [
          "This applies to Baby Kraid Room.",
          "In the previous room, there is a 2-frame window for the jump, just before Samus would hit the door ledge,",
          "then a 1-frame or 2-frame window (depending on the jump) for the morph, just before Samus would bonk the ceiling.",
          "After the transition, unmorph within the first 2 frames, to conserve upward momentum;",
          "if Samus got the later frame for the morph (where the animation does not show as fully morphed in the previous room),",
          "then there will only be 1 frame to unmorph."
        ]
      }
    ]
  }
}

Requires:

"canCrossRoomJumpIntoWater"