#pragma once

#include "CoreMinimal.h"
#include "Vehicles/CarrierLayout.h"
#include "Vehicles/CarrierMeshBuilder.h"

/**
 * The blockout geometry as pure functions (DESIGN_UE.md section 3.2): each fills an FMeshBuilder in carrier-local metres, from
 * FCarrierLayout. UCarrierBlockoutComponent turns the result into components; the tests call the same functions without a world.
 */
namespace Descent::Carrier
{
	/** A sign made of text (UTextRenderComponent): position and facing in carrier-local metres. */
	struct FSignDef
	{
		FString Text;
		FVector PosM = FVector::ZeroVector;
		double YawDeg = 0.0;        // the direction the text faces (the viewer stands on that side)
		double HeightM = 0.2;
		FLinearColor Colour = FLinearColor(0.75f, 0.5f, 0.1f);
	};

	/** Floor, ceiling, walls with door/window holes, lamp strips, props and stairs of one room. */
	THEDESCENT_API void BuildRoomMesh(const FRoomDef& Room, FMeshBuilder& B);
	/** Door frames (cyan strip above each door) and floor pads that bridge the double wall. */
	THEDESCENT_API void BuildDoorsMesh(FMeshBuilder& B);
	/** The hull exterior: lathe with the moon-pool opening, sail, pods, fins, shroud, keel, dome, pool rim, bridge window glow. No collision. */
	THEDESCENT_API void BuildHullMesh(FMeshBuilder& B);
	/** The moon pool shaft, rim, railings (solid, collision) and the water surface (separate builder, no collision). */
	THEDESCENT_API void BuildPoolMesh(FMeshBuilder& Solid, FMeshBuilder& Water);
	/** The visual and collision of one fixed station, in carrier-local coordinates. */
	THEDESCENT_API void BuildFixtureMesh(const FAnchorDef& Anchor, FMeshBuilder& B);
	/** All text signs: door labels, bay and terminal signs. */
	THEDESCENT_API void CollectSigns(TArray<FSignDef>& Out);
}