Add data-driven fish selection and catch showcase

fish/fish_availability.gd

@@ -0,0 +1,63 @@
+class_name FishAvailability
+extends Resource
+
+const FishingContextType = preload("res://fishing/fishing_context.gd")
+
+@export var allowed_location_tags: Array[StringName] = []
+@export var required_event_tags: Array[StringName] = []
+@export var forbidden_event_tags: Array[StringName] = []
+@export var allow_day: bool = true
+@export var allow_night: bool = true
+@export var require_rain: bool = false
+@export var forbid_rain: bool = false
+@export var required_bait_tags: Array[StringName] = []
+@export var preferred_bait_tags: Array[StringName] = []
+@export_range(0.01, 10.0, 0.01) var preferred_bait_weight_multiplier: float = 1.25
+
+
+func is_available(context: FishingContextType) -> bool:
+	if context == null or (require_rain and forbid_rain):
+		return false
+	if context.is_night and not allow_night:
+		return false
+	if not context.is_night and not allow_day:
+		return false
+	if require_rain and not context.is_raining:
+		return false
+	if forbid_rain and context.is_raining:
+		return false
+	if (
+		not allowed_location_tags.is_empty()
+		and not _has_any_match(allowed_location_tags, context.location_tags)
+	):
+		return false
+	for required_tag: StringName in required_event_tags:
+		if required_tag not in context.active_event_tags:
+			return false
+	for forbidden_tag: StringName in forbidden_event_tags:
+		if forbidden_tag in context.active_event_tags:
+			return false
+	if (
+		not required_bait_tags.is_empty()
+		and not _has_any_match(required_bait_tags, context.active_bait_tags)
+	):
+		return false
+	return true
+
+
+func get_bait_weight_multiplier(context: FishingContextType) -> float:
+	if context == null:
+		return 1.0
+	if _has_any_match(preferred_bait_tags, context.active_bait_tags):
+		return maxf(preferred_bait_weight_multiplier, 0.01)
+	return 1.0
+
+
+func _has_any_match(
+	required_tags: Array[StringName],
+	active_tags: Array[StringName],
+) -> bool:
+	for tag: StringName in required_tags:
+		if tag in active_tags:
+			return true
+	return false