feat: add emergent world foundations

simulation/commands/ActionOffer.gd

@@ -0,0 +1,74 @@
+class_name ActionOffer
+extends RefCounted
+
+var _offer_id: StringName
+var _action_id: StringName
+var _target: WorldTargetHandle
+var _display_name: String
+var _enabled: bool
+var _rejection_reason: String
+var _parameters: Dictionary
+var _priority: float
+
+
+func _init(
+	offer_id: StringName = &"",
+	action_id: StringName = &"",
+	target: WorldTargetHandle = null,
+	display_name: String = "",
+	enabled: bool = true,
+	rejection_reason: String = "",
+	parameters: Dictionary = {},
+	priority: float = 0.0
+) -> void:
+	_offer_id = offer_id
+	_action_id = action_id
+	_target = target
+	_display_name = display_name
+	_enabled = enabled
+	_rejection_reason = rejection_reason
+	_parameters = parameters.duplicate(true)
+	_priority = priority
+
+
+func is_valid() -> bool:
+	return (
+		not _offer_id.is_empty()
+		and not _action_id.is_empty()
+		and _target != null
+		and _target.is_well_formed()
+		and is_finite(_priority)
+		and not WorldTargetCapability._contains_object(_parameters)
+	)
+
+
+func get_offer_id() -> StringName:
+	return _offer_id
+
+
+func get_action_id() -> StringName:
+	return _action_id
+
+
+func get_target() -> WorldTargetHandle:
+	return _target
+
+
+func get_display_name() -> String:
+	return _display_name
+
+
+func is_enabled() -> bool:
+	return _enabled
+
+
+func get_rejection_reason() -> String:
+	return _rejection_reason
+
+
+func get_parameters() -> Dictionary:
+	return _parameters.duplicate(true)
+
+
+func get_priority() -> float:
+	return _priority