88 lines
3.5 KiB
GDScript
88 lines
3.5 KiB
GDScript
class_name FacilityPricing
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extends RefCounted
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## Shared integer pricing rules for quotations, guest outcomes and management UI.
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## Unrelated policy keys remain the responsibility of their owning systems.
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const DEFAULT_MODE := &"standard"
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const MODES: Array[Dictionary] = [
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{&"id": &"charitable", &"label": "奉仕価格", &"percent": 60, &"satisfaction_delta": 10},
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{&"id": &"affordable", &"label": "安価", &"percent": 80, &"satisfaction_delta": 5},
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{&"id": &"standard", &"label": "標準", &"percent": 100, &"satisfaction_delta": 0},
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{&"id": &"expensive", &"label": "高価", &"percent": 150, &"satisfaction_delta": -5},
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{&"id": &"exorbitant", &"label": "ぼったくり", &"percent": 250, &"satisfaction_delta": -20},
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]
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static func modes() -> Array[Dictionary]:
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return MODES.duplicate(true)
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static func quote(base_price: int, policy: Dictionary) -> int:
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var percent := int(_mode(policy)[&"percent"])
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# Currency is integer gold. An exact half gold rounds up, without depending
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# on floating-point rounding (35 G at 150 percent is 53 G).
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@warning_ignore("integer_division")
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var result := (maxi(base_price, 0) * percent + 50) / 100
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return result
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static func satisfaction_modifier(
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policy: Dictionary,
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quality: int,
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expected_quality: int
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) -> int:
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var modifier := int(_mode(policy)[&"satisfaction_delta"])
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# GAME_SPECIFICATION 7.4 includes a difference of exactly twenty points.
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if modifier < 0 and quality - expected_quality >= 20:
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# Keep the same nearest-integer rule for a half penalty: -2.5 becomes -3.
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@warning_ignore("integer_division")
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return -((-modifier + 1) / 2)
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return modifier
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static func validate_patch(patch: Dictionary) -> Dictionary:
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if _has(patch, &"price_mode"):
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var mode: Variant = _value(patch, &"price_mode", DEFAULT_MODE)
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if not (mode is String or mode is StringName) or not _known_mode(StringName(mode)):
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return _invalid(&"INVALID_PRICE_MODE", "価格設定は5段階のいずれかを選んでください。")
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if _has(patch, &"business_open") and not _value(patch, &"business_open", true) is bool:
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return _invalid(&"INVALID_BUSINESS_OPEN", "営業状態は営業中または休業を指定してください。")
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var normalized: Dictionary = {}
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for raw_key: Variant in patch:
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if not (raw_key is String or raw_key is StringName):
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return _invalid(&"INVALID_POLICY_KEY", "施設方針の項目名が正しくありません。")
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var value: Variant = patch[raw_key]
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normalized[StringName(raw_key)] = value.duplicate(true) if value is Array or value is Dictionary else value
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if normalized.has(&"price_mode"):
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normalized[&"price_mode"] = StringName(normalized[&"price_mode"])
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return {&"valid": true, &"reason": &"", &"message": "", &"patch": normalized}
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static func _mode(policy: Dictionary) -> Dictionary:
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var value: Variant = _value(policy, &"price_mode", DEFAULT_MODE)
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if value is String or value is StringName:
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for mode: Dictionary in MODES:
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if mode[&"id"] == StringName(value):
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return mode
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return MODES[2]
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static func _known_mode(mode_id: StringName) -> bool:
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for mode: Dictionary in MODES:
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if mode[&"id"] == mode_id:
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return true
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return false
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static func _invalid(reason: StringName, message: String) -> Dictionary:
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return {&"valid": false, &"reason": reason, &"message": message, &"patch": {}}
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static func _has(source: Dictionary, key: StringName) -> bool:
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return source.has(key) or source.has(String(key))
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static func _value(source: Dictionary, key: StringName, fallback: Variant) -> Variant:
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return source.get(key, source.get(String(key), fallback))
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