#pragma once

#include "CoreMinimal.h"

/**
 * The carrier's hull as an analytic solid (DESIGN_UE.md sections 4.3 and 5.3, "ICarrierHullShape::PushOut"). The blockout hull has no
 * physics collision, so Tenders and swimmers ask this instead: a body of revolution about the X axis with radius HullRadius(x),
 * closed at x = +-60, with the moon-pool shaft as an opening when bOpenPool is set. Carrier-local METRES.
 */
namespace Descent::Carrier
{
	/** Approximate signed distance to the hull solid (negative inside). With bOpenPool the pool shaft column is free water. */
	THEDESCENT_API double HullDistance(const FVector& LocalM, bool bOpenPool);

	/** Moves a sphere out of the hull. True if it moved; OutNormal is the outward direction it was pushed along. */
	THEDESCENT_API bool HullPushOut(FVector& InOutLocalM, double RadiusM, bool bOpenPool, FVector* OutNormal = nullptr);

	/** True inside the pool shaft's column of water: the pool rectangle, below the pool surface. */
	THEDESCENT_API bool InPoolShaft(const FVector& LocalM);
}