93 lines
3.8 KiB
GDScript
93 lines
3.8 KiB
GDScript
extends RefCounted
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## Approved initial weather values A13 (P07-01 SPEC sections 2 and 4). The
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## timeline stays a pure state model; this file owns the draw and the effects.
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const DAY_MINUTES := 1440
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const DRAW_MINUTE_OF_DAY := 360
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const FIRST_START_MINUTE_OF_DAY := 360
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const START_SLOT_MINUTES := 30
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const START_SLOTS := 29
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## Rolls 0..99: clear 0-59, rain 60-84, mana fog 85-94, storm 95-99.
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const CLEAR_BELOW := 60
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const RAIN_BELOW := 85
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const FOG_BELOW := 95
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const DURATION_MINUTES := {&"rain": 360, &"mana_fog": 240, &"storm": 120}
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const RAIN_ARRIVAL_PERCENT := 50
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const RAIN_HOLD_MAX_MINUTES := 240
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const FOG_MANA_NUMERATOR := 12
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const FOG_MANA_DENOMINATOR := 10
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const FOG_INTIMACY_NUMERATOR := 3
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const FOG_INTIMACY_DENOMINATOR := 2
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static func is_draw_minute(absolute_minute: int) -> bool:
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return absolute_minute >= 0 and posmod(absolute_minute, DAY_MINUTES) == DRAW_MINUTE_OF_DAY
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static func day_of(absolute_minute: int) -> int:
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return int(floor(float(absolute_minute) / DAY_MINUTES)) if absolute_minute >= 0 else -1
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## One draw per day from the saved weather stream. A clear day consumes one
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## roll; other days also consume one start-slot roll.
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static func draw(rng: DeterministicRng, day: int) -> Dictionary:
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var roll := rng.randi_range(0, 99)
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var kind: StringName = &"clear"
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if roll >= FOG_BELOW:
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kind = &"storm"
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elif roll >= RAIN_BELOW:
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kind = &"mana_fog"
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elif roll >= CLEAR_BELOW:
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kind = &"rain"
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if kind == &"clear":
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return {&"day": day, &"kind": kind, &"roll": roll, &"slot": -1, &"start": -1, &"end": -1}
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var slot := rng.randi_range(0, START_SLOTS - 1)
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var start := day * DAY_MINUTES + FIRST_START_MINUTE_OF_DAY + slot * START_SLOT_MINUTES
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return {&"day": day, &"kind": kind, &"roll": roll, &"slot": slot,
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&"start": start, &"end": start + int(DURATION_MINUTES[kind])}
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## A saved day's draw must be this rule's own result (SPEC section 5.3): the roll
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## picks the kind, a clear day has no slot, and any other day starts on its slot
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## and lasts its kind's duration. An empty draw (no day drawn yet) is consistent.
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static func is_consistent_draw(draw: Dictionary) -> bool:
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if draw.is_empty():
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return true
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var roll := int(draw[&"roll"])
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var kind := StringName(draw[&"kind"])
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var expected: StringName = &"clear"
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if roll >= FOG_BELOW:
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expected = &"storm"
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elif roll >= RAIN_BELOW:
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expected = &"mana_fog"
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elif roll >= CLEAR_BELOW:
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expected = &"rain"
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if kind != expected:
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return false
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if kind == &"clear":
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return int(draw[&"slot"]) == -1 and int(draw[&"start"]) == -1 and int(draw[&"end"]) == -1
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var slot := int(draw[&"slot"])
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var start := int(draw[&"day"]) * DAY_MINUTES + FIRST_START_MINUTE_OF_DAY + slot * START_SLOT_MINUTES
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return slot >= 0 and slot < START_SLOTS and int(draw[&"start"]) == start \
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and int(draw[&"end"]) == start + int(DURATION_MINUTES[kind])
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static func arrival_percent(kind: StringName) -> int:
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return RAIN_ARRIVAL_PERCENT if kind == &"rain" else 100
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static func mana_yield(base_amount: int, kind: StringName) -> int:
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if kind != &"mana_fog":
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return base_amount
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return int(floor(float(base_amount * FOG_MANA_NUMERATOR) / FOG_MANA_DENOMINATOR))
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static func fog_intimacy_increase(increase: int) -> int:
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if increase <= 0:
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return increase
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return int(floor(float(increase * FOG_INTIMACY_NUMERATOR) / FOG_INTIMACY_DENOMINATOR))
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## Japanese HUD guidance for the current kind (SPEC section 4.6).
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static func effect_text(kind: StringName) -> String:
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match kind:
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&"rain":
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return "雨: 新規来客が半分になり、帰る予定の客は雨が止むまで（最大4時間）残ります。"
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&"storm":
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return "嵐: 新規来客はありません。館内の客は残ります。"
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&"mana_fog":
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return "マナ霧: 世界樹のマナ産出が1.2倍、成人確認済みの客の性欲の増え方が1.5倍になります。"
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return "晴れ: 天候の影響はありません。"
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