#pragma once

#include <stdint.h>

#include "flecs.h"

#include "Components/Misc.hpp"
#include "Util/Span.h"

struct Support
{
	uint8_t MaxSupport{};
	uint8_t SupportsAvailable{};
};

struct GroundedSupport {};
struct RequiresSupport {};

flecs::entity GetSupport(flecs::world& world, Vector2 pos);

void RecalculateSupport(flecs::world& world,
	tcb::span<const Vector2> skip = {},
	tcb::span<const Vector2> unground = {});

bool CanRemove(flecs::world& world, tcb::span<const Vector2> positions);

void Flecs_Support(flecs::world& world);

inline void Support_Helper(const flecs::entity& entity, Vector2 pos, uint8_t maxSupport, bool grounded = false)
{
	entity.set<TilePosition>({ pos });
	if (grounded) entity.add<GroundedSupport>(); // before set<Support> so OnAdd fires with grounded state visible
	entity.set<Support>({ maxSupport });
}