Module trade 

Trade network of a startpos (CAMPAIGN_TRADE_MANAGER), built from trade_routes.ptd.

Verified against Attila’s main campaign: every spline (flags, segments, points, lengths, speed tables) and every region and port route matches the game-built startpos. Not covered: the order the game lists the routes in (hash order).

Structs

NetworkRoute

A route between two regions or ports.

NetworkSpline

A trade spline in world coordinates.

TradeNetwork

Trade network of a campaign, as stored in the startpos.