#pragma once

#include "core/math/rect2.h"
#include "macros.h"
#include "scene/3d/mesh_instance_3d.h"
#include "scene/resources/mesh.h"
#include "scene/resources/surface_tool.h"
class Terrain;

class TerrainChunkMesh : public MeshInstance3D {
	GDCLASS(TerrainChunkMesh, MeshInstance3D);
	static void _bind_methods();
	void generate_vertices();
	void generate_faces();

protected:
	void _notification(int what);

public:
	void apply_new_mesh();
	void update_mesh();
	size_t points_per_side() const;

private:
	Mutex lock{};
	Vector3 safe_position{};
	Ref<SurfaceTool> surface{};
	Ref<ArrayMesh> new_mesh{};
	Terrain *terrain{ nullptr };
	size_t detail{ 1 };
	size_t size{ 1 };
	Rect2 bounds{};

public:
	GET_SET_FNS(Rect2, bounds);
	GET_SET_FNS(Terrain *, terrain);
	GET_SET_FNS(size_t, detail);
	GET_SET_FNS(size_t, size);
};