const Vector2 = @import("raylib").Vector2;

const Road = @import("../infrastructure/road.zig").Road;
const Node = @import("../infrastructure/node.zig").Node;

/// This is a simple equivalent to something like abstract class, so the simulator class has only one variable
/// which tracks which object is highlighted and the logic that seeks to find the current highlighted class doesn't need
/// to figure out which highlighted entity has priority in case of overlap;
/// given that car can be on node and road, and node itself is on road(s)
///
/// TLDR: Can point to either entity type (node, road, etc.)
pub const Entity = union(enum) {
    node: *Node,
    road: *Road,
};

/// Represents intersection data, mainly used in cases where we draw over existing roads
/// and wish to see data about such intersections or collisions
pub const IntersectionData = struct {
    /// Tracks the location of the intersection
    pos: Vector2,
    /// Points to the road where the intersection occured
    road: *Road,
    /// Tracks whether this intersection is actually an origin point
    /// (In simple terms this means whether the point/node that intersects is also the start/end node)
    ///
    /// We do this because the referencing logic is very strict and will return an error
    /// if we try to reference something that is already referenced, due to stricter approach helping with
    /// earlier bug and error detection
    origin: bool,
};