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Refine some Metroid Room 2 shinecharges #2085

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Refine some Metroid Room 2 shinecharges #2085

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65b53e7
Refine some Metroid Room 2 shinecharges
blkerby Jun 5, 2025
27fdfea
add Wave option for avoiding Metroid eating shot
blkerby Jun 5, 2025
891d475
update note on lower platform run speed
blkerby Jun 9, 2025
2ce75be
add notes and canTrickyDodgeEnemies requirement
blkerby Jun 9, 2025
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133 changes: 125 additions & 8 deletions region/tourian/main/Metroid Room 2.json
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Original file line number Diff line number Diff line change
Expand Up @@ -349,7 +349,8 @@
{"types": ["powerbomb"], "requires": []},
{"types": ["missiles", "super"], "requires": ["never"]}
],
"flashSuitChecked": true
"flashSuitChecked": true,
"devNote": "FIXME: refine this and add a canTwoTileSqueeze option."
},
{
"id": 18,
Expand Down Expand Up @@ -389,11 +390,17 @@
"canShinechargeMovementTricky",
{"or": [
"canMoonfall",
"Morph"
"Morph",
"canTwoTileSqueeze"
]},
{"or": [
"f_KilledMetroidRoom2",
{"metroidFrames": 25}
{"metroidFrames": 100},
{"and": [
"canInsaneJump",
"canTrickyDodgeEnemies",
{"metroidFrames": 10}
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  • Avoiding a grab seems really unreliable for moonfall and morph roll off
  • unmorph+downback is going to be the fastest way through the shortcut. It looked relatively stronger with comeInShinecharging though.
  • TwoTileSqueeze looked strong in comeInShinecharging too.

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Here's a little practice session for the moonfall: https://videos.maprando.com/video/6622. I got 6 successful attempts in a row at the end, showing it can be reliable if you do the moonfall from the correct position. I need to add to the note to explain this though

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For me avoiding damage with the morph roll was harder: https://videos.maprando.com/video/6623. It feels like it can be reliable if you aim for the correct place to soft-morph. I still miss it a lot but it feels like movement errors on my part rather than something fundamentally unpredictable/uncontrollable.

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Like this https://videos.maprando.com/video/6631
And it would be the hardest method to execute.

I feel I would always trust TwoTileSqueeze over moonfall here. But they are both low level tech in context here, and not driving the logic.

]}
]}
],
"exitCondition": {
Expand All @@ -403,7 +410,12 @@
{"types": ["powerbomb"], "requires": []},
{"types": ["missiles", "super"], "requires": ["never"]}
],
"flashSuitChecked": true
"flashSuitChecked": true,
"note": [
"If Metroids are alive, minimizing damage from them requires tricky movement to manipulate them:",
"the moonfalling option must be done starting from almost a tile to the left of the opening;",
"likewise, the morphing option should soft-morph about a tile to the left of the opening. "
]
},
{
"id": 20,
Expand Down Expand Up @@ -660,7 +672,9 @@
"note": [
"Not pressing dash will make the platforming easier, unless HiJump is also equipped."
],
"devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
"devNote": [
"FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
]
},
{
"id": 34,
Expand Down Expand Up @@ -694,7 +708,9 @@
],
"flashSuitChecked": true,
"note": ["Spinjump into the opening below the top door."],
"devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
"devNote": [
"FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
]
},
{
"id": 35,
Expand Down Expand Up @@ -724,7 +740,9 @@
"Wall jump up the right wall and either mid-air morph to fit through the gap below the top door.",
"Alternatively use a mid-air wiggle to reduce the height of Samus' hitbox after the walljump, to be able to fit through the gap without morphing."
],
"devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
"devNote": [
"FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
]
},
{
"id": 36,
Expand Down Expand Up @@ -754,7 +772,49 @@
"note": [
"Use a mid-air wiggle to reduce the height of Samus' hitbox after the walljump, to be able to fit through the gap without morphing."
],
"devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
"devNote": [
"FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
]
},
{
"link": [2, 1],
"name": "Come in Shinecharging, Leave Shinecharged (Left Side, Tricky Dash Jump)",
"entranceCondition": {
"comeInShinecharging": {
"length": 0,
"openEnd": 1
}
},
"requires": [
{"shineChargeFrames": 170},
"canTrickyDashJump",
"canShinechargeMovementTricky",
{"or": [
"f_KilledMetroidRoom2",
"ScrewAttack",
{"metroidFrames": 160}
]}
],
"exitCondition": {
"leaveShinecharged": {}
},
"unlocksDoors": [
{"types": ["super"], "requires": [
{"or": [
"f_KilledMetroidRoom2",
"ScrewAttack"
]}
]},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}
],
"flashSuitChecked": true,
"note": [
"Go up the left side of the room to make it out the top door with a few shinecharge frames remaining."
],
"detailNote": [
"Avoid getting more than 2.75 tiles of run speed on the lower platform (or Speed Booster will shorten Samus' jump):",
"either release run early, or do a big initial jump to land in the middle of the lower platform before starting to run."
]
},
{
"id": 37,
Expand Down Expand Up @@ -931,6 +991,63 @@
"Shoot the door open and spark out."
]
},
{
"link": [2, 1],
"name": "Come in Shinecharged, Leave With Spark (Left Side, Tricky Dash Jump)",
"entranceCondition": {
"comeInShinecharged": {}
},
"requires": [
{"shineChargeFrames": 130},
"canTrickyDashJump",
"canShinechargeMovementTricky",
{"or": [
{"and": [
{"or": [
"f_KilledMetroidRoom2",
"ScrewAttack",
{"and": [
{"metroidFrames": 145},
{"or": [
"Plasma",
"Wave",
{"ammo": {"type": "Missile", "count": 1}}
]}
]}
]},
{"shinespark": {"frames": 13}}
]},
{"and": [
{"metroidFrames": 150},
{"shineChargeFrames": 10},
{"shinespark": {"frames": 7}}
]}
]}
],
"exitCondition": {
"leaveWithSpark": {}
},
"unlocksDoors": [
{"types": ["super"], "requires": [
{"or": [
"f_KilledMetroidRoom2",
"ScrewAttack"
]}
]},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}
],
"flashSuitChecked": true,
"note": [
"Go up the left side of the room and spark out the top door.",
"If tanking Metroid damage, then the Metroid can block the shot to open the door;",
"to avoid this, either jump toward the door with dash speed or use Plasma, Wave, or a Missile."
],
"detailNote": [
"Do a big initial jump to land in the middle of the lower platform,",
"and jump before running more than 2.75 tiles, to avoid a Speed Booster dropoff in jump height."
]

},
{
"id": 43,
"link": [2, 1],
Expand Down