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Merged
blkerby merged 4 commits into from
Dec 15, 2025
Merged

Add canBufferedMomentumConservingTurnaround #2522

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4ec476f
Add canBufferedMomentumConservingTurnaround
osse101 Dec 12, 2025
c78d700
note
osse101 Dec 15, 2025
ffc2afd
review fixes
osse101 Dec 15, 2025
f4ca290
Update region/maridia/inner-pink/Colosseum.json
osse101 Dec 15, 2025
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44 changes: 40 additions & 4 deletions region/maridia/inner-pink/Colosseum.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1259,6 +1259,41 @@
"flashSuitChecked": true,
"note": "Requires a runway of one tile in the adjacent room."
},
{
"link": [2, 3],
"name": "Cross Room Jump with HiJump and Speedbooster",
"entranceCondition": {
"comeInJumping": {
"speedBooster": true,
"minTiles": 1.4375
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": "Requires a runway of two tiles in the adjacent room."
},
{
"link": [2, 3],
"name": "Cross Room Jump with HiJump (Lenient)",
"entranceCondition": {
"comeInJumping": {
"speedBooster": "any",
"minTiles": 5
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround",
"canDownGrab"
],
"flashSuitChecked": true,
"note": "Requires a runway of five tiles in the adjacent room."
},
{
"id": 48,
"link": [2, 3],
Expand All @@ -1272,7 +1307,7 @@
"requires": [
"canTrickyDashJump",
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround",
"canBufferedMomentumConservingTurnaround",
"canDownGrab"
],
"flashSuitChecked": true,
Expand All @@ -1291,7 +1326,7 @@
"requires": [
"canPreciseSpaceJump",
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround"
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": [
Expand All @@ -1313,7 +1348,7 @@
"canPreciseSpaceJump",
"canInsaneJump",
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround",
"canBufferedMomentumConservingTurnaround",
"canDownGrab"
],
"flashSuitChecked": false,
Expand Down Expand Up @@ -1360,7 +1395,8 @@
"canMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": "Uses a runway of two tiles in the adjacent room."
"note": "Uses a runway of two tiles in the adjacent room.",
"devNote": "FIXME: Can be lowered to canBufferedMomentumConservingTurnaround."
},
{
"id": 107,
Expand Down
25 changes: 21 additions & 4 deletions region/maridia/inner-pink/Crab Shaft.json
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Original file line number Diff line number Diff line change
Expand Up @@ -816,6 +816,23 @@
],
"flashSuitChecked": true
},
{
"link": [1, 4],
"name": "Cross Room Jump with HiJump (Lenient)",
"entranceCondition": {
"comeInJumping": {
"speedBooster": "any",
"minTiles": 2
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": "Only requires a runway of approximately 2 tile in the adjacent room."
},
{
"id": 20,
"link": [1, 4],
Expand Down Expand Up @@ -848,7 +865,7 @@
},
"requires": [
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround",
"canBufferedMomentumConservingTurnaround",
"canTrickyDashJump",
"canDownGrab"
],
Expand All @@ -871,7 +888,7 @@
},
"requires": [
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround"
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": "Requires around 19 tiles in the adjacent room.",
Expand All @@ -894,7 +911,7 @@
"canTrickyDashJump",
"canSpringBallJumpMidAir",
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround"
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": [
Expand Down Expand Up @@ -960,7 +977,7 @@
},
"requires": [
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround"
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"devNote": [
Expand Down
12 changes: 8 additions & 4 deletions region/maridia/inner-pink/Halfie Climb Room.json
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Original file line number Diff line number Diff line change
Expand Up @@ -1116,18 +1116,22 @@
{"and": [
"canDoubleBombJump",
{"enemyDamage": {"enemy": "Mochtroid", "type": "contact", "hits": 2}}
]}
]},
{"enemyDamage": {"enemy": "Mochtroid", "type": "contact", "hits": 3}}
]},
"canCrossRoomJumpIntoWater",
"canMomentumConservingTurnaround",
"canBufferedMomentumConservingTurnaround",
"canTrickyJump"
],
"flashSuitChecked": true,
"note": [
"Only requires a runway of approximately 1 tile in the adjacent room.",
"Take two Mochtroid hits or kill it using a Power Bomb or 5 Bombs."
],
"devNote": "The rhythm for placing 4 Bombs quickly is the main component of ceiling bomb jumps."
"devNote": [
"The rhythm for placing 4 Bombs quickly is the main component of ceiling bomb jumps.",
"canTrickyJump for the IBJ more than the through-door jump."
]
},
{
"id": 190,
Expand Down Expand Up @@ -2551,7 +2555,7 @@
},
"requires": [
"HiJump",
"canMomentumConservingTurnaround",
"canBufferedMomentumConservingTurnaround",
"canTrickySpringBallJump",
"canCrossRoomJumpIntoWater"
],
Expand Down
19 changes: 19 additions & 0 deletions region/maridia/inner-pink/The Precious Room.json
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,25 @@
"SpringBall jump once on the way up, then use a Bomb to buy just enough time for a second SpringBall jump."
]
},
{
"link": [2, 1],
"name": "Cross Room Jump with HiJump (Lenient)",
"entranceCondition": {
"comeInJumping": {
"speedBooster": "any",
"minTiles": 2
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": [
"Requires a runway of 2 tiles in the adjacent room."
]
},
{
"id": 18,
"link": [2, 1],
Expand Down
8 changes: 4 additions & 4 deletions region/maridia/inner-yellow/Yoink Room.json
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Original file line number Diff line number Diff line change
Expand Up @@ -347,7 +347,7 @@
},
"requires": [
"canShinechargeMovementTricky",
"canMomentumConservingTurnaround",
"canQuickDrop",
{"or": [
{"and": [
"Gravity",
Expand Down Expand Up @@ -378,7 +378,7 @@
},
"requires": [
"canShinechargeMovementTricky",
"canMomentumConservingTurnaround",
"canQuickDrop",
{"shineChargeFrames": 40}
],
"exitCondition": {
Expand Down Expand Up @@ -1108,7 +1108,7 @@
},
"requires": [
"canShinechargeMovementTricky",
"canMomentumConservingTurnaround",
"canQuickDrop",
{"or": [
{"and": [
"Gravity",
Expand Down Expand Up @@ -1139,7 +1139,7 @@
},
"requires": [
"canShinechargeMovementTricky",
"canMomentumConservingTurnaround",
"canQuickDrop",
{"shineChargeFrames": 40}
],
"exitCondition": {
Expand Down
49 changes: 49 additions & 0 deletions region/maridia/outer/Fish Tank.json
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Original file line number Diff line number Diff line change
Expand Up @@ -607,6 +607,38 @@
],
"flashSuitChecked": true
},
{
"link": [1, 4],
"name": "Cross Room Jump with HiJump and Speedbooster (Lenient)",
"entranceCondition": {
"comeInJumping": {
"speedBooster": true,
"minTiles": 6
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround",
"h_midAirShootUp"
],
"exitCondition": {
"leaveNormally": {}
},
"unlocksDoors": [
{"types": ["super"], "requires": []},
{"types": ["missiles", "powerbomb"], "requires": ["never"]}
],
"flashSuitChecked": true,
"note": [
"Requires a runway of at least 6 tiles in the adjacent room."
],
"detailNote": [
"Using too much run speed can make it harder to avoid bonking the door:",
"in this case, it can help to fire a hero shot to open the door early, while still facing left,",
"and/or use a momentum-conserving turnaround just before touching the door."
]
},
{
"id": 10,
"link": [1, 4],
Expand Down Expand Up @@ -1073,6 +1105,23 @@
"flashSuitChecked": true,
"note": "Requires 3 tiles of run speed (with no open end) to make it past the overhang above the door."
},
{
"link": [1, 5],
"name": "Cross Room Jump with HiJump and Speedbooster (Lenient)",
"entranceCondition": {
"comeInJumping": {
"speedBooster": true,
"minTiles": 6
}
},
"requires": [
"HiJump",
"canCrossRoomJumpIntoWater",
"canBufferedMomentumConservingTurnaround"
],
"flashSuitChecked": true,
"note": "Requires a runway of at least 6 tiles in the adjacent room."
},
{
"id": 19,
"link": [1, 5],
Expand Down
34 changes: 25 additions & 9 deletions tech.json
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Original file line number Diff line number Diff line change
Expand Up @@ -719,26 +719,42 @@
]
},
{
"id": 180,
"name": "canMomentumConservingTurnaround",
"name": "canBufferedMomentumConservingTurnaround",
"techRequires": [],
"otherRequires": [],
"note": [
"Uses the uninteruptable frames of turning around in order to continue moving after hitting a solid object.",
"Can be used to make it through an opening door, or barely just past a ledge.",
"It is often beneficial to be in a downward pose when hitting the ceiling, in order to shrink Samus' hitbox to delay contact."
"This is easiest to see following a Gravity jump through a door transition.",
"During the transition, hold down and backwards to begin the turnaround action.",
"Water physics will delay the turnaround for long enough to continue past overhead ledges with upwards momentum intact."
],
"extensionTechs": [
{
"id": 47,
"name": "canQuickDrop",
"id": 180,
"name": "canMomentumConservingTurnaround",
"techRequires": [
"canMomentumConservingTurnaround"
"canBufferedMomentumConservingTurnaround"
],
"otherRequires": [],
"note": [
"Using a momentum conserving turnaround on a crumble block, an opening doorshell, or any other breaking block, to preserve Samus' momentum.",
"This is often used when traversing with a shinecharge, or to quickly fall through a crumble block and jump back through it before it re-forms."
"Uses the uninteruptable frames of turning around in order to continue moving after hitting a solid object.",
"Can be used to make it through an opening door, or barely just past a ledge.",
"It is often beneficial to be in a downward pose when hitting the ceiling, in order to shrink Samus' hitbox to delay contact.",
"The difficulty is in judging the timing of the turnaround, predicting the ending position, and adjusting to movement speed."
],
"extensionTechs": [
{
"id": 47,
"name": "canQuickDrop",
"techRequires": [
"canMomentumConservingTurnaround"
],
"otherRequires": [],
"note": [
"Using a momentum conserving turnaround on a crumble block, an opening doorshell, or any other breaking block, to preserve Samus' momentum.",
"This is often used when traversing with a shinecharge, or to quickly fall through a crumble block and jump back through it before it re-forms."
]
}
]
}
]
Expand Down