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ludic.base: an IntIndex slot's list made with room for 16 rows, so filing in play does not grow it

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 12:35:24 +03:00
parent 8a4f3f5ad6
commit d6b3242b25
1 changed files with 10 additions and 3 deletions
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13
packages/ludic.base/ecs_index_slot.ludic
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@ -2,6 +2,13 @@
# slot; a large one (a chunk's packed cell) is given the next slot through a map, so a sparse
# value costs one list and not every list up to it
const IX_DENSE: int = 1024 # a value below this is its own slot; above, one is given it
const IX_CAP: int = 16 # rows a value's list holds before it grows: a list grown in play is a new block
function ix_list_new() -> words {
let l = words(IX_CAP)
List.clear(l)
return l
}
# the slot value v's list is in, -1 when it has none (and `make` did not ask for one)
function ix_slot(ix: IntIndex, v: int, make: bool) -> int {
@ -9,15 +16,15 @@ function ix_slot(ix: IntIndex, v: int, make: bool) -> int {
if v < IX_DENSE {
if v >= len(ix.lists) {
if not make { return -1 }
while len(ix.lists) <= v { push(ix.lists, words(0)) }
while len(ix.lists) <= v { push(ix.lists, ix_list_new()) }
}
return v
}
var s = imap_get(ix.sparse, v, -1)
if s < 0 and make {
while len(ix.lists) < IX_DENSE { push(ix.lists, words(0)) }
while len(ix.lists) < IX_DENSE { push(ix.lists, ix_list_new()) }
s = len(ix.lists)
push(ix.lists, words(0))
push(ix.lists, ix_list_new())
imap_put(ix.sparse, v, s)
}
return s