EVENT BASED WEIGHTLESSNESS (#37971)

* Init Commit

* Typos

* Commit 2

* Save Interaction Test Mob from failing

* ssss

* Confident I've gotten all the correct prototypes

* Whoops forgot to edit those

* aaaaa

* Better solution

* Test fail fixes

* Yaml fix

* THE FINAL TEST FIX

* Final fix(?)

* whoops

* Added a WeightlessnessChangedEvent

* Check out this diff

* Wait I'm dumb

* Final optimization and don't duplicate code

* Death to IsWeightless

* File scoped namespaces

* REVIEW

* Fix test fails

* FIX TEST FAILS REAL

* A

* Commit of doom

* borgar

* We don't need to specify on map init apparently

* Fuck it

* LOAD BEARING COMMENT

---------

Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>

Resources/Prototypes/Entities/Mobs/base.yml

@@ -9,6 +9,7 @@
     noRot: true
     drawdepth: Mobs
   - type: MobCollision
+  - type: GravityAffected
   - type: Physics
     bodyType: KinematicController
   - type: Fixtures

Resources/Prototypes/Entities/Objects/Fun/immovable_rod.yml

@@ -6,11 +6,13 @@
   - type: Clickable
   - type: InteractionOutline
   - type: MovementIgnoreGravity
+    weightless: true
   - type: Sprite
     sprite: Objects/Fun/immovable_rod.rsi
     state: icon
     noRot: false
   - type: ImmovableRod
+  - type: GravityAffected
   - type: Physics
     bodyType: Dynamic
     linearDamping: 0
@@ -78,8 +80,6 @@
     damage:
       types:
         Blunt: 190
-  - type: MovementIgnoreGravity
-    gravityState: true
   - type: InputMover
   - type: MovementSpeedModifier
     baseWeightlessAcceleration: 5

Resources/Prototypes/Entities/Objects/Specific/Mech/mechs.yml

@@ -64,6 +64,7 @@
   - type: Pullable
   - type: Physics
     bodyType: KinematicController
+  - type: GravityAffected
   - type: Clickable
   - type: WiresPanel
   - type: Fixtures

Resources/Prototypes/Entities/Objects/base_item.yml

@@ -24,6 +24,7 @@
     soundHit:
       collection: MetalThud
   - type: CollisionWake
+  - type: GravityAffected
   - type: Physics
     bodyType: Dynamic
     fixedRotation: false

Resources/Prototypes/Entities/Structures/base_structure.yml

@@ -7,6 +7,7 @@
   - type: Transform
     anchored: true
   - type: Clickable
+  - type: GravityAffected
   - type: Physics
     bodyType: Static
   - type: Fixtures