feat: add emergent world foundations

simulation/definitions/SimulationContentPack.gd

@@ -0,0 +1,78 @@
+class_name SimulationContentPack
+extends Resource
+
+@export var pack_id: StringName
+@export var display_name: String
+@export var required_pack_ids: Array[StringName] = []
+@export var required_handler_ids: Array[StringName] = []
+@export var actions: Array[ActionDefinition] = []
+@export var professions: Array[ProfessionDefinition] = []
+@export var items: Array[ItemDefinition] = []
+@export var enemies: Array[EnemyDefinition] = []
+
+
+func validate() -> Array[String]:
+	var errors: Array[String] = []
+	if pack_id.is_empty():
+		errors.append("pack_id is empty")
+	if display_name.is_empty():
+		errors.append("display_name is empty for pack '%s'" % pack_id)
+	_validate_dependency_ids(required_pack_ids, "required pack", errors)
+	_validate_dependency_ids(required_handler_ids, "required handler", errors)
+	if pack_id in required_pack_ids:
+		errors.append("pack '%s' cannot require itself" % pack_id)
+	_validate_actions(errors)
+	_validate_professions(errors)
+	_validate_items(errors)
+	_validate_enemies(errors)
+	return errors
+
+
+func _validate_actions(errors: Array[String]) -> void:
+	for definition in actions:
+		if definition == null:
+			errors.append("actions contains a null definition")
+			continue
+		for error in definition.validate():
+			errors.append("ActionDefinition: " + error)
+
+
+func _validate_professions(errors: Array[String]) -> void:
+	for definition in professions:
+		if definition == null:
+			errors.append("professions contains a null definition")
+			continue
+		for error in definition.validate():
+			errors.append("ProfessionDefinition: " + error)
+
+
+func _validate_items(errors: Array[String]) -> void:
+	for definition in items:
+		if definition == null:
+			errors.append("items contains a null definition")
+			continue
+		for error in definition.validate():
+			errors.append("ItemDefinition: " + error)
+
+
+func _validate_enemies(errors: Array[String]) -> void:
+	for definition in enemies:
+		if definition == null:
+			errors.append("enemies contains a null definition")
+			continue
+		for error in definition.validate():
+			errors.append("EnemyDefinition: " + error)
+
+
+static func _validate_dependency_ids(
+	ids: Array[StringName], label: String, errors: Array[String]
+) -> void:
+	var seen := {}
+	for dependency_id in ids:
+		if dependency_id.is_empty():
+			errors.append("%s ID is empty" % label)
+			continue
+		if seen.has(dependency_id):
+			errors.append("duplicate %s '%s'" % [label, dependency_id])
+			continue
+		seen[dependency_id] = true