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examples: net_sync's raw buffer inside unsafe, now that a query's body is checked

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 14:43:23 +03:00
parent 253d8d3632
commit 4919c9c2fc
1 changed files with 16 additions and 14 deletions
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30
examples/networking/net_sync.ludic
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@ -21,20 +21,22 @@ program NetSync {
entry {
spawn Player { Position { x: 3, y: 4 }, Health { hp: 50, max: 100 } }
for (Position, Health) in query [Position, Health, {Player}] {
let e = self()
let buf = bytes(64)
print(sync_size(e)) # 12 = Position(x,y)=8 + Health.hp=4
let n = serialize(e, buf) # snapshot the synced fields
Position.x = 99 # mutate everything
Position.y = 88
Health.hp = 7
Health.max = 999 # max is NOT synced
apply(e, buf, n) # restore from the snapshot
print(Position.x) # 3 — restored
print(Position.y) # 4 — restored
print(Health.hp) # 50 — restored
print(Health.max) # 999 — kept (unsynced)
unsafe { # a raw snapshot buffer on purpose: built with --unsafe (L7)
for (Position, Health) in query [Position, Health, {Player}] {
let e = self()
let buf = bytes(64)
print(sync_size(e)) # 12 = Position(x,y)=8 + Health.hp=4
let n = serialize(e, buf) # snapshot the synced fields
Position.x = 99 # mutate everything
Position.y = 88
Health.hp = 7
Health.max = 999 # max is NOT synced
apply(e, buf, n) # restore from the snapshot
print(Position.x) # 3 — restored
print(Position.y) # 4 — restored
print(Health.hp) # 50 — restored
print(Health.max) # 999 — kept (unsynced)
}
}
}
}