#include "terrain_2d_library_simple.h"

#include "../defines.h"

int Terrain2DLibrarySimple::get_atlas_columns() const {
	return _atlas_columns;
}

void Terrain2DLibrarySimple::set_atlas_columns(int s) {
	ERR_FAIL_COND(s < 0);
	_atlas_columns = s;
}

int Terrain2DLibrarySimple::get_atlas_rows() const {
	return _atlas_rows;
}

void Terrain2DLibrarySimple::set_atlas_rows(int s) {
	ERR_FAIL_COND(s < 0);
	_atlas_rows = s;
}

//Surfaces
Ref<Terrain2DSurface> Terrain2DLibrarySimple::terra_surface_get(const int index) {
	ERR_FAIL_INDEX_V(index, _terra_surfaces.size(), Ref<Terrain2DSurface>(NULL));

	return _terra_surfaces[index];
}

void Terrain2DLibrarySimple::terra_surface_add(Ref<Terrain2DSurface> value) {
	ERR_FAIL_COND(!value.is_valid());

	value->set_library(Ref<Terrain2DLibrarySimple>(this));
	value->set_id(_terra_surfaces.size());

	_terra_surfaces.push_back(value);
}

void Terrain2DLibrarySimple::terra_surface_set(const int index, Ref<Terrain2DSurface> value) {
	ERR_FAIL_COND(index < 0);

	if (_terra_surfaces.size() < index) {
		_terra_surfaces.resize(index + 1);
	}

	if (_terra_surfaces[index].is_valid()) {
		_terra_surfaces.get(index)->set_library(Ref<Terrain2DLibrarySimple>(NULL));
	}

	if (value.is_valid()) {
		value->set_library(Ref<Terrain2DLibrarySimple>(this));

		_terra_surfaces.set(index, value);
	}
}

void Terrain2DLibrarySimple::terra_surface_remove(const int index) {
	_terra_surfaces.remove(index);
}

int Terrain2DLibrarySimple::terra_surface_get_num() const {
	return _terra_surfaces.size();
}

void Terrain2DLibrarySimple::terra_surfaces_clear() {
	_terra_surfaces.clear();
}

Vector<Variant> Terrain2DLibrarySimple::get_terra_surfaces() {
	VARIANT_ARRAY_GET(_terra_surfaces);
}

void Terrain2DLibrarySimple::set_terra_surfaces(const Vector<Variant> &surfaces) {
	_terra_surfaces.clear();

	for (int i = 0; i < surfaces.size(); i++) {
		Ref<Terrain2DSurfaceSimple> surface = Ref<Terrain2DSurfaceSimple>(surfaces[i]);

		if (surface.is_valid()) {
			surface->set_library(this);
			surface->refresh_rects();
		}

		_terra_surfaces.push_back(surface);
	}

	set_initialized(true);
}

void Terrain2DLibrarySimple::refresh_rects() {
	for (int i = 0; i < _terra_surfaces.size(); i++) {
		Ref<Terrain2DSurfaceSimple> surface = Ref<Terrain2DSurfaceSimple>(_terra_surfaces[i]);

		if (surface.is_valid()) {
			surface->refresh_rects();
		}
	}
}

Terrain2DLibrarySimple::Terrain2DLibrarySimple() {
	_atlas_rows = 8;
	_atlas_columns = 8;
}

Terrain2DLibrarySimple::~Terrain2DLibrarySimple() {
	for (int i = 0; i < _terra_surfaces.size(); ++i) {
		Ref<Terrain2DSurface> surface = _terra_surfaces[i];

		if (surface.is_valid()) {
			surface->set_library(Ref<Terrain2DLibrarySimple>());
		}
	}

	_terra_surfaces.clear();
}

void Terrain2DLibrarySimple::_bind_methods() {
	ClassDB::bind_method(D_METHOD("get_atlas_columns"), &Terrain2DLibrarySimple::get_atlas_columns);
	ClassDB::bind_method(D_METHOD("set_atlas_columns", "value"), &Terrain2DLibrarySimple::set_atlas_columns);
	ADD_PROPERTY(PropertyInfo(Variant::INT, "atlas_columns"), "set_atlas_columns", "get_atlas_columns");

	ClassDB::bind_method(D_METHOD("get_atlas_rows"), &Terrain2DLibrarySimple::get_atlas_rows);
	ClassDB::bind_method(D_METHOD("set_atlas_rows", "value"), &Terrain2DLibrarySimple::set_atlas_rows);
	ADD_PROPERTY(PropertyInfo(Variant::INT, "atlas_rows"), "set_atlas_rows", "get_atlas_rows");

	ClassDB::bind_method(D_METHOD("get_terra_surfaces"), &Terrain2DLibrarySimple::get_terra_surfaces);
	ClassDB::bind_method(D_METHOD("set_terra_surfaces"), &Terrain2DLibrarySimple::set_terra_surfaces);
	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "terra_surfaces", PROPERTY_HINT_NONE, "23/20:Terrain2DSurfaceSimple", PROPERTY_USAGE_DEFAULT, "Terrain2DSurfaceSimple"), "set_terra_surfaces", "get_terra_surfaces");
}