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Unleashed-Generations Havok Collision Attributes: Difference between revisions

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Sonic Generations has several collision tags that the game uses to determine the type of terrain, its properties, and what can collide with whatelse. These attributes can be applied to hkx files with [[Havok Converter]].
Sonic Generations has several collision tags that the game uses to determine the type of terrain, its properties, and what can collide with whatelse. These attributes can be applied to hkx files with [[Havok Converter]]; to learn how to apply these tags to collision meshes, check out [[Adding Collision Tags with Havok Converter]].


== Material Type ==
== Material Type ==

Revision as of 16:00, 14 February 2025

Sonic Generations has several collision tags that the game uses to determine the type of terrain, its properties, and what can collide with whatelse. These attributes can be applied to hkx files with Havok Converter; to learn how to apply these tags to collision meshes, check out Adding Collision Tags with Havok Converter.

Material Type

swa_attribute (1260399450)

Index Type
1 Concrete (Normal)
2 Deep Water
3 Stone
4 Dirt
5 Wood
6 Grass
7 Snow*
8 Metal
9 Sand
10 Glass
11 Shallow Water
12 Kill
13 Damage
14 Water (no drowning)
15 No effect
16 Oil
17 Glass #2 (used in Casino Night)
18 Wrong Way indicator
19 Lava
20 Poison

* Snow collision requires some extra files (such as particle textures and the sound) to prevent it from crashing the game

Collision Properties

Parameter Name ID Description
swa_evil_isbalance_ground 122999549 This is used for Classic Sonic to indicate where a ledge is.
swa_isIce_ground 246659335 If enabled, this'll make the ground slippery (like in Holoska in Sonic Unleashed). This requires some extra files to be present to make it work; if these files are missing, the game will crash when the collision is touched by the player.
swa_col_other 620872783 If enabled, anything that isn't the player or the camera will collide with the object.
intersectional_way 1009866916 Used in Casino Night Zone.
swa_sonic_isbeltconveyor 1196263925 Used for the BeltConveyorCollision object, the value of this field is the speed of the conveyor belt.
swa_sonic_isplayerwall 1368296714 Used to indicate if a surface can be used for wall-jumping.
swa_col_specific 1330259859 This is set to 1 by default, setting it to 2 or 3 will make the IKs for Sonic adjust to the terrain.
swa_col_attacking 1651585625
swa_col_camera 1706239430 If enabled, the camera will collide with this object.
pinball_glass 2040148113 Also used in Casino Night Zone.
swa_col_player 2088238466 If enabled, the player will collide with the object.

Mesh Name Tags

Rigidbodies can have custom properties that are used by the game to determine their interactions with other objects. These tags are added at the end of mesh names with an @ symbol as the separator (e.g. ghz_sea@water).

  • @Balance (Unleashed)
  • @DamageFall
  • @DisableThrowColl
  • @DisableTemColl
  • @enableQtoW (Generations)
  • @Spiral (Generations)
  • @Slide (Requires a path with an id of 888 to be present in a level in Generations for it to work)
  • @NoStanding
  • @NoCamera
  • @IceGround
  • @Water
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