tiger-lib 1.18.0

Library used by the tools ck3-tiger, vic3-tiger, and imperator-tiger. This library holds the bulk of the code for them. It can be built either for ck3-tiger with the feature ck3, or for vic3-tiger with the feature vic3, or for imperator-tiger with the feature imperator, but not both at the same time.
Documentation 
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use crate::block::{BV, Block};
use crate::context::ScopeContext;
use crate::db::{Db, DbKind};
use crate::everything::Everything;
use crate::game::GameFlags;
use crate::item::{Item, ItemLoader};
use crate::scopes::Scopes;
use crate::token::Token;
use crate::tooltipped::Tooltipped;
use crate::validator::{Validator, ValueValidator};

#[derive(Clone, Debug)]
pub struct ScriptedIllustration {}

inventory::submit! {
    ItemLoader::Normal(GameFlags::Ck3, Item::ScriptedIllustration, ScriptedIllustration::add)
}

impl ScriptedIllustration {
    pub fn add(db: &mut Db, key: Token, block: Block) {
        db.add(Item::ScriptedIllustration, key, block, Box::new(Self {}));
    }
}

impl DbKind for ScriptedIllustration {
    fn validate(&self, key: &Token, block: &Block, data: &Everything) {
        let mut vd = Validator::new(block, data);
        // TODO: validate the call from gui
        let mut sc = ScopeContext::new(Scopes::all(), key);

        vd.field_item("folder", Item::Directory);
        let folder =
            block.get_field_value("folder").map_or("gfx/interface/illustrations", Token::as_str);

        vd.multi_field_validated("texture", |bv, data| match bv {
            BV::Value(token) => ValueValidator::new(token, data).dir_file(folder),
            BV::Block(block) => {
                let mut vd = Validator::new(block, data);
                vd.field_validated_value("reference", |_key, mut vd| vd.dir_file(folder));
                vd.field_trigger("trigger", Tooltipped::No, &mut sc);
            }
        });
        vd.multi_field_validated_block("environment", |block, data| {
            let mut vd = Validator::new(block, data);
            if let Some(token) = vd.field_value("reference") {
                data.verify_exists(Item::PortraitEnvironment, token);
            }
            vd.field_trigger("trigger", Tooltipped::No, &mut sc);
        });
    }
}