84 lines
3.7 KiB
Text
84 lines
3.7 KiB
Text
# gameplay_foundation.ludic — exercises the ludic.gameplay foundation package
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# (#57): the Cooldown timer, the Stats + modifier stack, the Faction table and the
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# Combat damage pipeline (cancel + mutable hooks). Deterministic; a full run prints:
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# 2 0 1 5 24 0 2 1 15 85 7 1 1
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#
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# Build (from the repo root, so runtime/native resolves):
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# LUDIC_MODULES=packages ludicc --headless examples/library/gameplay_foundation.ludic
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program GameplayFoundation {
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import "ludic.gameplay/cooldown.ludic"
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import "ludic.gameplay/stats.ludic"
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import "ludic.gameplay/faction.ludic"
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import "ludic.gameplay/combat.ludic"
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model Fighter { Stats, Cooldown, Faction }
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@OnSpawn(Fighter) handler FighterInit { }
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# a game-supplied policy: while "enraged" is set, halve incoming damage by
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# rewriting the pending amount (lever 6, the mutable hook), and hard-veto any
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# hit over 100 (lever 4, cancel). Both are just listeners — no engine fork.
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state GameplayfoundationState {
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enraged: int = 0
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deaths: int = 0
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}
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@On(DamageAboutToApply) handler Ward(gameplayfoundation_st: GameplayfoundationState) {
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if amount > 100 { cancel }
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if gameplayfoundation_st.enraged == 1 { Combat.set_amount(amount / 2) }
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}
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@On(Died) handler Tally(gameplayfoundation_st: mut GameplayfoundationState) { gameplayfoundation_st.deaths += 1 }
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function tick_n(n: int) -> void { var i = 0; while i < n { tick_fixed(); i += 1 } }
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function bi(b: bool) -> int { if b { return 1 }; return 0 }
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entry (gameplayfoundation_st: mut GameplayfoundationState) {
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let PS = World.prop_id("Stats")
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let fhp = World.field_id(PS, "hp")
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let fatk = World.field_id(PS, "atk")
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# ---- Cooldown: engine-ticked frame timer -------------------------------
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spawn Fighter { Stats { hp: 30, max_hp: 30, def: 5 }, Faction { id: 1 } }
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let a = World.query_next(PS, 0)
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Cooldown.start(a, 3)
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tick_n(1)
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print(Cooldown.left(a)) # 2 — decremented once by esys_cooldown
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print(Cooldown.ready(a)) # 0 — still counting
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tick_n(2)
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print(Cooldown.ready(a)) # 1 — hit zero
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# ---- Stats + modifier stack --------------------------------------------
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print(Stats.total(a, 2)) # 5 — base def, no modifiers
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World.set(a, PS, fatk, 10)
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Stats.modify(a, 1, 0, 6, 0) # +6 flat atk, permanent
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Stats.modify(a, 1, 1, 50, 0) # +50% atk, permanent
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print(Stats.total(a, 1)) # 24 — (10 + 6) * 150 / 100
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# ---- Faction relationships ---------------------------------------------
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print(Faction.rel(1, 1)) # 0 — same faction is friendly
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print(Faction.rel(1, 2)) # 2 — different is hostile by default
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Faction.set(1, 2, 1) # make 1 and 2 neutral
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print(Faction.rel(1, 2)) # 1
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# ---- Combat pipeline: mitigate, apply, Damaged/Died --------------------
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spawn Fighter { Stats { hp: 100, max_hp: 100, def: 5 }, Faction { id: 2 } }
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var t = World.query_next(PS, 0)
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if t == a { t = World.query_next(PS, a + 1) }
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print(Combat.damage(t, a, 20)) # 15 — 20 - def 5
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print(World.get(t, PS, fhp)) # 85
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# mutable hook: enrage halves the next hit ((20 - 5) -> 7)
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gameplayfoundation_st.enraged = 1
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print(Combat.damage(t, a, 20)) # 7
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gameplayfoundation_st.enraged = 0
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# veto hook: an over-100 hit is cancelled (0 applied)
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print(bi(Combat.damage(t, a, 200) == 0)) # 1
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# finish it off with sub-100 hits so the veto never blocks the kill
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var guard = 0
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while (World.get(t, PS, fhp) > 0) and (guard < 100) { Combat.damage(t, a, 90); guard += 1 }
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print(gameplayfoundation_st.deaths) # 1
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quit()
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}
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}
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