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ludic.ui: an unmounted component is mounted again rather than made again - its record renewed (a generated renew), its props and model kept; an action's call answers into a ring

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A prompt that comes and goes as a player walks (co-op's netleak: in_get, cmp_*_new, bd_class, value_slot/put)
made a new record, props and model on every mount, and an action's call answered into a new Val (ev_call_with).
examples/library/ui_remount: two thousand comings and goings hold the heap at 0, and the counter starts at 0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 15:25:55 +03:00
parent fc0f3d3790
commit 6cdef20cc2
14 changed files with 46052 additions and 45244 deletions
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26
packages/ludic.ui/instance.ludic
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@ -8,6 +8,8 @@ property UiInst {
props: Val = null # its props, filled again each frame into the same object
model: Val = null # and its model, filled in place by the class's model()
}
# builds before an unmounted instance is mounted again: the tree that last named it is good for two
const IN_SPARE_AFTER: int = 2
function in_get(ui_st: mut UiState, key: string, k: UiClass) -> UiInst {
for i in 0 .. len(ui_st.in_list) {
let it = ui_st.in_list[i]
@ -16,14 +18,30 @@ function in_get(ui_st: mut UiState, key: string, k: UiClass) -> UiInst {
return it
}
}
let it = new UiInst
let it = in_reuse(ui_st, k)
it.key = key
it.cls = k
it.ptr = k.make()
it.seen = ui_st.in_build
push(ui_st.in_list, it)
return it
}
# an unmounted instance of this class, put back as new, else a new one: a prompt that comes and goes
# as the player walks is mounted again without making another record, props and model each time
function in_reuse(ui_st: mut UiState, k: UiClass) -> UiInst {
let l = ui_st.in_free
for i in 0 .. len(l) {
let it = l[i]
if it.cls == k and it.cls.renew != null and ui_st.in_build - it.seen >= IN_SPARE_AFTER {
l[i] = l[len(l) - 1]
List.pop(l)
k.renew(it.ptr)
return it
}
}
let it = new UiInst
it.cls = k
it.ptr = k.make()
return it
}
# after a build of `screen`: its instances the build did not reach are unmounted
function in_sweep(ui_st: mut UiState, screen: string) -> void {
var kept = 0
@ -32,7 +50,7 @@ function in_sweep(ui_st: mut UiState, screen: string) -> void {
if it.seen == ui_st.in_build or not lc_mine(it.key, screen) {
ui_st.in_list[kept] = it
kept += 1
}
} else { push(ui_st.in_free, it) }
}
while len(ui_st.in_list) > kept { List.pop(ui_st.in_list) }
}