编辑“Policies modding”（章节）

== Data Structure ==
* '''potential''' - A block of [[Conditions]] to determine is an empire able to see this policy. If an empire can't see a policy, it won't have any of its options active. (Country scope)
* '''allow''' - A block of [[Conditions]] to determine is an empire able to change this policy. Vanilla use this to prevent switching diplomatic stance and war philosophy during a war. (Country scope)
* '''option''' - An instance that adds an option to this policy. Multiple allowed. A policy should have at least one valid option for each empire.
** '''name''' - A localisation key that determines the name and description of this option.
** '''icon''' - A reference to a GFX entry that determines the icon of this option. Only diplomatic stance has this. Other policy options will never have their icons displayed.
** '''potential''' & '''valid''' - Blocks of [[Conditions]] to determine is an empire able to see / choose this option. If either is rendered false while the empire have this option active, the empire will be forced out of it and switched to a valid choice of highest <code>ai_weight</code>, even for players. (Country scope)
** '''policy_flags = { flag_xxx flag_yyy }''' - A list of strings to be checked by the condition <code>has_policy_flag</code>. A policy option without any policy flags can't be checked by Conditions.
** '''modifier''' - A block of [[Modifiers]] that applies to the empire with this option active.
** '''on_enabled''' & '''on_disabled''' - Blocks of [[Effects]] to be executed to the empire when this option is selected / switched out. (Country scope)
** '''AI_weight''' - The AI will always choose a option of highest weight for each policy. The player will also have each policy fall into an option of highest <code>ai_weight</code> by default.