ludic/packages/ludic.fire/decide.ludic
2026-09-25 14:02:21 +03:00

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# decide.ludic - lighting and feeding in three steps, so a machine that does not own the fire can
# ask the one that does: what it would come to (fire_decide), what it costs in wood
# (fire_cost), and doing it (fire_apply - only ever on the machine that owns the world)
export function fire_decide(fire_st: FireState, wood: int) -> int {
if fire_st.fr_lit {
if wood < 1 { return FIRE_NO_LOG }
return FIRE_FEED
}
if not FireWorld.allowed() { return FIRE_BANNED }
if wood < fire_st.fr_light_wood { return FIRE_NO_WOOD }
if FireWorld.is_wet() and not FireWorld.sheltered() { return FIRE_SOAKED }
return FIRE_LIGHT
}
export function fire_cost(fire_st: FireState, how: int) -> int {
if how == FIRE_LIGHT { return fire_st.fr_light_wood }
if how == FIRE_FEED { return 1 }
return 0
}
export function fire_apply(base_st: mut BaseState, fire_st: mut FireState, how: int) -> void {
if how == FIRE_FEED { fire_st.fr_fuel = fire_st.fr_fuel + fire_st.fr_log_minutes }
if how == FIRE_LIGHT {
fire_st.fr_lit = true
fire_st.fr_fuel = fire_st.fr_light_minutes
fr_fact(base_st, fire_st, FIRE_LIT)
}
}
# the logs it takes to light one
export function fire_light_wood(fire_st: FireState) -> int { return fire_st.fr_light_wood }