Orkuncakilkaya
5cd53d4024
A chunk's trunks and boulders put in and taken out made a new shape each time and freed none. The table is by the body's index, made once at the world's size. tests/reuse_test: 1000 owned bodies put and removed hold no more shapes and 32 bytes of heap. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
63 lines
2.7 KiB
Text
63 lines
2.7 KiB
Text
# reuse_test.ludic - what is taken away is given back: a walker made and removed two hundred times
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# holds one place in the list and no more heap, and a world closed and opened again keeps its lists
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import "ludic.physics"
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import "ludic.base"
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program ReuseTest {
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numbers float
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test "a walker made and removed takes the same place and grows nothing" (physics_st: mut PhysicsState) {
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expect(phys_open(physics_st, 64, 1))
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let w = phys_walker_add(physics_st, 0.4, 1.8, 0.0, 0.0, 0.0, 50.0, 80.0)
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phys_walker_remove(physics_st, w)
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let before = Os.heap_bytes()
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for k in 0 .. 200 {
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let id = phys_walker_add(physics_st, 0.4, 1.8, float(k), 0.0, 0.0, 50.0, 80.0)
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expect_eq(id, w)
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phys_walker_remove(physics_st, id)
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}
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let grew = Os.heap_bytes() - before
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print(`reuse: 200 walkers made and removed, {len(physics_st.ph_walkers)} place, heap {grew} bytes`)
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expect_eq(len(physics_st.ph_walkers), 1)
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expect(grew < long(1024))
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phys_close(physics_st)
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}
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test "a world closed and opened again keeps the lists it held" (physics_st: mut PhysicsState) {
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expect(phys_open(physics_st, 64, 1))
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phys_box(physics_st, 1.0, 1.0, 1.0)
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phys_walker_add(physics_st, 0.4, 1.8, 0.0, 0.0, 0.0, 50.0, 80.0)
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let shapes = physics_st.ph_shapes
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let walkers = physics_st.ph_walkers
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for k in 0 .. 20 {
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phys_close(physics_st)
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expect(phys_open(physics_st, 64, 1))
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phys_box(physics_st, 1.0, 1.0, 1.0)
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phys_walker_add(physics_st, 0.4, 1.8, 0.0, 0.0, 0.0, 50.0, 80.0)
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}
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expect(physics_st.ph_shapes == shapes)
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expect(physics_st.ph_walkers == walkers)
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expect_eq(phys_shapes(physics_st), 1)
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phys_close(physics_st)
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}
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test "a body that owns its shape takes the shape with it, a thousand times over" (physics_st: mut PhysicsState) {
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expect(phys_open(physics_st, 64, 1))
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let s0 = phys_cylinder(physics_st, 5.0, 0.3)
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phys_own(physics_st, phys_static_add(physics_st, s0, 0.0, 0.0, 0.0, 0.0), s0)
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let first = phys_static_add(physics_st, phys_cylinder(physics_st, 5.0, 0.3), 3.0, 0.0, 0.0, 0.0)
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phys_remove(physics_st, first)
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let before = Os.heap_bytes()
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for k in 0 .. 1000 {
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let s = phys_cylinder(physics_st, 5.0, 0.3)
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let b = phys_static_add(physics_st, s, float(k % 10), 0.0, 5.0, 0.0)
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phys_own(physics_st, b, s)
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phys_remove(physics_st, b)
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}
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let grew = Os.heap_bytes() - before
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print(`reuse: 1000 owned bodies put and removed, {phys_shapes(physics_st)} shapes held in {len(physics_st.ph_shapes)} places, heap {grew} bytes`)
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expect(phys_shapes(physics_st) <= 2)
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expect(len(physics_st.ph_shapes) <= 3)
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expect(grew < long(1024))
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phys_close(physics_st)
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}
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}
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