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fix(ludic.physics): a removed walker's place is taken again, and phys_close keeps the lists it empties - nothing grows per horse called or per world swap

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tests/reuse_test: 200 walkers made and removed hold one place and 0 bytes of heap (Os.heap_bytes);
twenty closes and opens keep the same shape and walker lists.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 13:05:28 +03:00
parent e6729b3123
commit 6e132d25c8
3 changed files with 55 additions and 4 deletions
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7
packages/ludic.physics/shapes.ludic
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@ -16,14 +16,15 @@ export function phys_is_open(physics_st: PhysicsState) -> bool { return physics_
# which world this is: a body, shape or walker id kept from an older one means nothing now
export function phys_generation(physics_st: PhysicsState) -> int { return physics_st.ph_gen }
# everything let go: the world, every body in it and every shape (a world swap, a quit)
# everything let go: the world, every body in it and every shape (a world swap, a quit); the lists
# that held them are emptied and kept, since nothing is given back
export function phys_close(physics_st: mut PhysicsState) -> void {
if physics_st.ph_walkers != null {
for i in 0 .. len(physics_st.ph_walkers) {
if physics_st.ph_walkers[i] != null { jph_char_free(physics_st.ph_walkers[i]) }
}
}
physics_st.ph_walkers = new []pointer
if physics_st.ph_walkers != null { List.clear(physics_st.ph_walkers) }
if physics_st.ph_world != null { jph_world_free(physics_st.ph_world) }
physics_st.ph_world = null
if physics_st.ph_shapes != null {
@ -31,7 +32,7 @@ export function phys_close(physics_st: mut PhysicsState) -> void {
if physics_st.ph_shapes[i] != null { jph_shape_free(physics_st.ph_shapes[i]) }
}
}
physics_st.ph_shapes = new []pointer
if physics_st.ph_shapes != null { List.clear(physics_st.ph_shapes) }
List.clear(physics_st.ph_spare)
List.clear(physics_st.ph_floats)
List.clear(physics_st.ph_float_k)