Single Jump

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Revision as of 21:30, 18 June 2024 by Icecream17 (talk | contribs) (explain code for Backflip)
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Single Jump
Properties
Official Name Jump
Hex 0x03000880
Action Flags Air, Allow Vertical Wind Action, Control Jump Height
Action Group Airborne
ID 0x080
Transitions
Into Airborne cancels: Water Plunge, Squished, Vertical Wind, non cancel: Dive, Jump Kick, Ground Pound, common air step: Feet Stuck In Ground, Hard Backward Ground Kb, Jump Land, Air Hit Wall, Backwards Air Kb, Soft Bonk, Ledge Grab, Start Hanging, Lava Boost
Out of (todo) Idle, Start Sleeping, Coughing, In Quicksand, Panting
Other
Animation 0x4D

A single jump is an action that can be entered in a variety of ways, including:

  • By pressing the A button while in a variety of actions.
  • While in quicksand, if Mario attempts to enter the double jump or twirling actions he will single jump instead. Doing this with twirling is very complicated and requires the use of the air throw landing action[1].

Transition In

Note: All airborne actions refer to (reference [2]) for the "Transition In". As with all actions, Transition In happens before common cancels and behavior.

Generally, when transitioning into the jump action... (This is shared with the hold jump action)

  1. Mario's current animation is stopped. Specifically, an animation flag is updated: m->marioObj->header.gfx.animInfo.animID = -1;
  2. Mario's vertical speed is set to 42 + a quarter of the current forward speed.
  3. If Mario is squished and/or has a quicksand depth more than 1, the vertical speed is halved.
  4. Mario's forward speed is multiplied by 0.8.

Then, some more general things occur. These happen to all airborne actions.

  1. Mario's peak height is updated.
  2. Mario's voice clip played flag is reset.
  3. Some other flags are set/reset.[citation needed]
  4. The previous action is set to the current action (which is not yet the jump action).[citation needed]
  5. The current action is set to the jump action.[citation needed]
  6. The action argument is set.[citation needed]
  7. The action state is set to 0.[citation needed]
  8. The action timer is set to 0.[citation needed]

Airborne cancels

A variety of "cancels" are checked prior to actually performing any airborne action. These are as follows:[3]

  1. If Mario's height is lower than 100 units below the water height: Water Plunge (see Idle#Stationary cancels)
  2. If Mario is supposed to be squished, mario_stop_riding_and_holding, Squished
  3. If Mario is above vertical wind (and the action allows vertical wind), then Vertical Wind
  4. Set quicksand depth to 0
  5. If (Mario's action is not (flag)invulnerable, twirling, or flying, (and the flag MARIO_UNKNOWN_18 is not there)) and Mario has fallen more than 1150 units from his peak, play SOUND_MARIO_WAAAOOOW and add the MARIO_UNKNOWN_18 flag

Behavior

Certain things here are more explained on their individual pages. If something lacks detail, check the link for more information.

As with all airborne actions, a variety of "cancels" are checked prior to actually performing the jump action. (See above section #Airborne cancels)

Then, the following happens:

  1. If the B button is pressed, Mario will either enter the dive action if his speed is greater than 28 or the jump kick action otherwise. This stops the jump action.
  2. If the Z button is pressed, Mario will enter the ground pound action. This stops the jump action.
  3. Mario performs the other noises for the jump.
  4. Now, Mario performs the quarter-frame movement via a full common air step. The landing action is a jump land action and the check has both the "Check Ledge Grab" and "Check Hang" flags.

References

  1. ↑ https://www.youtube.com/watch?v=wzUEzHk-ioQ
  2. ↑ https://github.com/n64decomp/sm64/blob/9921382a68bb0c865e5e45eb594d9c64db59b1af/src/game/mario.c#L776
  3. ↑ https://github.com/n64decomp/sm64/blob/66018e9f3caaa67399218971d61366cb3f7ba7d7/src/game/mario_actions_airborne.c#L2066
v • d • e
Actions
Stationary Actions
Moving Actions
Walking • Hold Walking • Turning Around • Finish Turning Around • Braking • Riding Shell Ground • Heavy Hold Walking • Crawling • Burning Ground • Decelerating • Hold Decelerating • Begin Sliding • Hold Begin Sliding • Butt Slide • Stomach Slide • Hold Butt Slide • Hold Stomach Slide • Dive Slide • Move Punching • Crouch Slide • Slide Kick Slide • Hard Backward Ground Kb • Hard Forward Ground Kb • Backward Ground Kb • Forward Ground Kb • Soft Backward Ground Kb • Soft Forward Ground Kb • Ground Bonk • Death Exit Land • Jump Land • Freefall Land • Double Jump Land • Side Flip Land • Hold Jump Land • Hold Freefall Land • Quicksand Jump Land • Hold Quicksand Jump Land • Triple Jump Land • Long Jump Land • Backflip Land
Airborne Actions
Underwater Actions
Cutscene Actions
Disappeared • Intro Cutscene • Star Dance Exit • Star Dance Water • Fall After Star Grab • Reading Automatic Dialog • Reading Npc Dialog • Star Dance No Exit • Reading Sign • Jumbo Star Cutscene • Waiting For Dialog • Debug Free Move • Standing Death • Quicksand Death • Electrocution • Suffocation • Death On Stomach • Death On Back • Eaten By Bubba • End Peach Cutscene • Credits Cutscene • End Waving Cutscene • Pulling Door • Pushing Door • Warp Door Spawn • Emerge From Pipe • Spawn Spin Airborne • Spawn Spin Landing • Exit Airborne • Exit Land Save Dialog • Death Exit • Unused Death Exit • Falling Death Exit • Special Exit Airborne • Special Death Exit • Falling Exit Airborne • Unlocking Key Door • Unlocking Star Door • Entering Star Door • Spawn No Spin Airborne • Spawn No Spin Landing • Bbh Enter Jump • Bbh Enter Spin • Teleport Fade Out • Teleport Fade In • Shocked • Squished • Head Stuck In Ground • Butt Stuck In Ground • Feet Stuck In Ground • Putting On Cap
Automatic Actions
Object Related Actions
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