TKE_Selectability

Opcode

ASCII

!

Hexadecimal

21

Decimal

33

Operands

Variable geometry, Variable down, Variable up,
Variable move_down, Variable move_up, Variable invisible

geometry

Bitmask of affected geometry. 1 byte, if Geo_Extended (high) bit set, an additional second byte follows. All remaining fields are the same size as the geometry field. Bit definitions are here.

down

Bitmask of geometry selected by mouse click.

up

Bitmask of geometry selected by mouse release.

move_down

Bitmask of geometry select by mouse motion with button down.

move_up

Bitmask of geometry select by mouse motion with button up.

invisible

Bitmask of geometry which may be selected even if not visible.

Notes

This controls which types of geometry in a segment may be selected, and what actions may trigger a selection.

This opcode was not available before HSF version 6.30.