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ludic.things: thing_slot - a placed Thing's reusable slot in the table

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-28 11:54:21 +03:00
parent 1af62d0879
commit 65b51c251e
1 changed files with 7 additions and 0 deletions
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7
packages/ludic.things/spare.ludic
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@ -55,3 +55,10 @@ function th_clean(t: Thing) -> Thing {
export function things_reserve(things_st: mut ThingsState, n: int) -> void { grid_reserve(things_st.th.grid, n) }
export function things_spare_count(things_st: ThingsState) -> int { return len(things_st.th_spare) - things_st.th_spare_at }
# a placed Thing's slot in the table: reused as Things come and go, so a list indexed by it is as
# long as the most Things there have been at once; -1 once it is removed
export function thing_slot(t: Thing) -> int {
if t == null or t.ent < 0 { return -1 }
return t.ent & ECS_SLOT
}