diff --git a/SCsub b/SCsub
index 6e3e8ca..d1827c7 100644
--- a/SCsub
+++ b/SCsub
@@ -30,7 +30,6 @@ sources = [
     "data/dungeon_room_data.cpp",
     "data/dungeon_corridor_data.cpp",
     "data/dungeon_data.cpp",
-    "data/biome_data.cpp",
     "data/world_generator_prop_data.cpp",
 
     "world_generator.cpp",
diff --git a/config.py b/config.py
index fda6ce5..7c90fff 100644
--- a/config.py
+++ b/config.py
@@ -6,12 +6,10 @@ def configure(env):
 
 def get_doc_classes():
     return [
-        "BiomeData",
         "DungeonCorridorData",
         "DungeonData",
         "DungeonRoomData",
         "WorldGeneratorPropData",
-        "BiomeData",
 
         "Planet",
         "Dungeon",
diff --git a/data/biome_data.cpp b/data/biome_data.cpp
deleted file mode 100644
index 0e85886..0000000
--- a/data/biome_data.cpp
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
-Copyright (c) 2019-2020 Péter Magyar
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-*/
-
-#include "biome_data.h"
-
-#include "core/version.h"
-
-#include "../main/biome.h"
-
-Ref<Biome> BiomeData::get_biome() {
-	return _biome;
-}
-void BiomeData::set_biome(const Ref<Biome> &biome) {
-	_biome = biome;
-}
-
-Vector2 BiomeData::get_level_range() {
-	return _level_range;
-}
-void BiomeData::set_level_range(Vector2 value) {
-	_level_range = value;
-}
-
-Vector2 BiomeData::get_humidity_range() {
-	return _humidity_range;
-}
-void BiomeData::set_humidity_range(Vector2 range) {
-	_humidity_range = range;
-}
-
-Vector2 BiomeData::get_temperature_range() {
-	return _temperature_range;
-}
-void BiomeData::set_temperature_range(Vector2 range) {
-	_temperature_range = range;
-}
-
-////    DungeonData    ////
-
-Ref<DungeonData> BiomeData::get_dungeon_data(const int index) const {
-	ERR_FAIL_INDEX_V(index, _dungeon_datas.size(), Ref<DungeonData>());
-
-	return _dungeon_datas.get(index);
-}
-void BiomeData::set_dungeon_data(const int index, const Ref<DungeonData> dungeon_data) {
-	ERR_FAIL_INDEX(index, _dungeon_datas.size());
-
-	_dungeon_datas.set(index, dungeon_data);
-}
-void BiomeData::add_dungeon_data(const Ref<DungeonData> dungeon_data) {
-	_dungeon_datas.push_back(dungeon_data);
-}
-void BiomeData::remove_dungeon_data(const int index) {
-	ERR_FAIL_INDEX(index, _dungeon_datas.size());
-
-	_dungeon_datas.remove(index);
-}
-
-int BiomeData::get_dungeon_data_count() const {
-	return _dungeon_datas.size();
-}
-
-Vector<Variant> BiomeData::get_dungeon_datas() {
-	Vector<Variant> r;
-	for (int i = 0; i < _dungeon_datas.size(); i++) {
-#if VERSION_MAJOR < 4
-		r.push_back(_dungeon_datas[i].get_ref_ptr());
-#else
-		r.push_back(_dungeon_datas[i]);
-#endif
-	}
-	return r;
-}
-void BiomeData::set_dungeon_datas(const Vector<Variant> &dungeon_datas) {
-	_dungeon_datas.clear();
-	for (int i = 0; i < dungeon_datas.size(); i++) {
-		Ref<DungeonData> dungeon_data = Ref<DungeonData>(dungeon_datas[i]);
-
-		_dungeon_datas.push_back(dungeon_data);
-	}
-}
-
-////    PROP DATA    ////
-
-Ref<WorldGeneratorPropData> BiomeData::get_prop_data(const int index) const {
-	ERR_FAIL_INDEX_V(index, _prop_datas.size(), Ref<WorldGeneratorPropData>());
-
-	return _prop_datas.get(index);
-}
-void BiomeData::set_prop_data(const int index, const Ref<WorldGeneratorPropData> prop_data) {
-	ERR_FAIL_INDEX(index, _prop_datas.size());
-
-	_prop_datas.set(index, prop_data);
-}
-void BiomeData::add_prop_data(const Ref<WorldGeneratorPropData> prop_data) {
-	_prop_datas.push_back(prop_data);
-}
-void BiomeData::remove_prop_data(const int index) {
-	ERR_FAIL_INDEX(index, _prop_datas.size());
-
-	_prop_datas.remove(index);
-}
-
-int BiomeData::get_prop_data_count() const {
-	return _prop_datas.size();
-}
-
-Vector<Variant> BiomeData::get_prop_datas() {
-	Vector<Variant> r;
-	for (int i = 0; i < _prop_datas.size(); i++) {
-#if VERSION_MAJOR < 4
-		r.push_back(_prop_datas[i].get_ref_ptr());
-#else
-		r.push_back(_prop_datas[i]);
-#endif
-	}
-	return r;
-}
-void BiomeData::set_prop_datas(const Vector<Variant> &prop_datas) {
-	_prop_datas.clear();
-	for (int i = 0; i < prop_datas.size(); i++) {
-		Ref<WorldGeneratorPropData> prop_data = Ref<WorldGeneratorPropData>(prop_datas[i]);
-
-		_prop_datas.push_back(prop_data);
-	}
-}
-
-#ifdef ESS_PRESENT
-//Entities
-Ref<EntityData> BiomeData::get_entity_data(const int index) const {
-	ERR_FAIL_INDEX_V(index, _entity_datas.size(), Ref<EntityData>());
-
-	return _entity_datas.get(index);
-}
-void BiomeData::set_entity_data(const int index, const Ref<EntityData> entity_data) {
-	ERR_FAIL_INDEX(index, _entity_datas.size());
-
-	_entity_datas.set(index, entity_data);
-}
-void BiomeData::add_entity_data(const Ref<EntityData> entity_data) {
-	_entity_datas.push_back(entity_data);
-}
-void BiomeData::remove_entity_data(const int index) {
-	ERR_FAIL_INDEX(index, _entity_datas.size());
-
-	_entity_datas.remove(index);
-}
-
-int BiomeData::get_entity_data_count() const {
-	return _entity_datas.size();
-}
-
-Vector<Variant> BiomeData::get_entity_datas() {
-	Vector<Variant> r;
-	for (int i = 0; i < _entity_datas.size(); i++) {
-#if VERSION_MAJOR < 4
-		r.push_back(_entity_datas[i].get_ref_ptr());
-#else
-		r.push_back(_entity_datas[i]);
-#endif
-	}
-	return r;
-}
-void BiomeData::set_entity_datas(const Vector<Variant> &entity_datas) {
-	_entity_datas.clear();
-	for (int i = 0; i < entity_datas.size(); i++) {
-		Ref<EntityData> entity_data = Ref<EntityData>(entity_datas[i]);
-
-		_entity_datas.push_back(entity_data);
-	}
-}
-
-#endif
-
-#ifdef VOXELMAN_PRESENT
-//Environments
-Ref<EnvironmentData> BiomeData::get_environment_data(const int index) const {
-	ERR_FAIL_INDEX_V(index, _environment_datas.size(), Ref<EnvironmentData>());
-
-	return _environment_datas.get(index);
-}
-void BiomeData::set_environment_data(const int index, const Ref<EnvironmentData> environment_data) {
-	ERR_FAIL_INDEX(index, _environment_datas.size());
-
-	_environment_datas.set(index, environment_data);
-}
-void BiomeData::add_environment_data(const Ref<EnvironmentData> environment_data) {
-	_environment_datas.push_back(environment_data);
-}
-void BiomeData::remove_environment_data(const int index) {
-	ERR_FAIL_INDEX(index, _environment_datas.size());
-
-	_environment_datas.remove(index);
-}
-int BiomeData::get_environment_data_count() const {
-	return _environment_datas.size();
-}
-
-Vector<Variant> BiomeData::get_environment_datas() {
-	Vector<Variant> r;
-	for (int i = 0; i < _environment_datas.size(); i++) {
-#if VERSION_MAJOR < 4
-		r.push_back(_environment_datas[i].get_ref_ptr());
-#else
-		r.push_back(_environment_datas[i]);
-#endif
-	}
-	return r;
-}
-void BiomeData::set_environment_datas(const Vector<Variant> &environment_datas) {
-	_environment_datas.clear();
-	for (int i = 0; i < environment_datas.size(); i++) {
-		Ref<EnvironmentData> environment_data = Ref<EnvironmentData>(environment_datas[i]);
-
-		_environment_datas.push_back(environment_data);
-	}
-}
-
-////    Surfaces    ////
-Ref<VoxelSurface> BiomeData::get_voxel_surface(const int index) const {
-	ERR_FAIL_INDEX_V(index, _voxel_surfaces.size(), Ref<VoxelSurface>());
-
-	return _voxel_surfaces.get(index);
-}
-void BiomeData::set_voxel_surface(const int index, const Ref<VoxelSurface> voxel_surface) {
-	ERR_FAIL_INDEX(index, _voxel_surfaces.size());
-
-	_voxel_surfaces.set(index, voxel_surface);
-}
-void BiomeData::add_voxel_surface(const Ref<VoxelSurface> voxel_surface) {
-	_voxel_surfaces.push_back(voxel_surface);
-}
-void BiomeData::remove_voxel_surface(const int index) {
-	ERR_FAIL_INDEX(index, _voxel_surfaces.size());
-
-	_voxel_surfaces.remove(index);
-}
-int BiomeData::get_voxel_surface_count() const {
-	return _voxel_surfaces.size();
-}
-
-Vector<Variant> BiomeData::get_voxel_surfaces() {
-	Vector<Variant> r;
-	for (int i = 0; i < _voxel_surfaces.size(); i++) {
-#if VERSION_MAJOR < 4
-		r.push_back(_voxel_surfaces[i].get_ref_ptr());
-#else
-		r.push_back(_voxel_surfaces[i]);
-#endif
-	}
-	return r;
-}
-void BiomeData::set_voxel_surfaces(const Vector<Variant> &voxel_surfaces) {
-	_voxel_surfaces.clear();
-	for (int i = 0; i < voxel_surfaces.size(); i++) {
-		Ref<EnvironmentData> voxel_surface = Ref<EnvironmentData>(voxel_surfaces[i]);
-
-		_voxel_surfaces.push_back(voxel_surface);
-	}
-}
-
-#endif
-
-Ref<Biome> BiomeData::instance() {
-	Ref<Biome> biome;
-
-	if (!_biome.is_valid()) {
-		biome.instance();
-	} else {
-		biome = _biome->duplicate();
-	}
-
-	biome->set_data(Ref<BiomeData>(this));
-
-	return biome;
-}
-
-BiomeData::BiomeData() {
-}
-BiomeData::~BiomeData() {
-	_dungeon_datas.clear();
-	_prop_datas.clear();
-
-#ifdef ESS_PRESENT
-	_entity_datas.clear();
-#endif
-
-#ifdef VOXELMAN_PRESENT
-	_environment_datas.clear();
-	_voxel_surfaces.clear();
-	_liquid_voxel_surfaces.clear();
-#endif
-}
-
-void BiomeData::_bind_methods() {
-	ClassDB::bind_method(D_METHOD("get_biome"), &BiomeData::get_biome);
-	ClassDB::bind_method(D_METHOD("set_biome", "value"), &BiomeData::set_biome);
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "biome", PROPERTY_HINT_RESOURCE_TYPE, "Biome"), "set_biome", "get_biome");
-
-	ClassDB::bind_method(D_METHOD("get_level_range"), &BiomeData::get_level_range);
-	ClassDB::bind_method(D_METHOD("set_level_range", "value"), &BiomeData::set_level_range);
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "level_range"), "set_level_range", "get_level_range");
-
-	ClassDB::bind_method(D_METHOD("get_humidity_range"), &BiomeData::get_humidity_range);
-	ClassDB::bind_method(D_METHOD("set_humidity_range", "value"), &BiomeData::set_humidity_range);
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "humidity_range"), "set_humidity_range", "get_humidity_range");
-
-	ClassDB::bind_method(D_METHOD("get_temperature_range"), &BiomeData::get_temperature_range);
-	ClassDB::bind_method(D_METHOD("set_temperature_range", "value"), &BiomeData::set_temperature_range);
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "temperature_range"), "set_temperature_range", "get_temperature_range");
-
-	//DungeonDatas
-	ClassDB::bind_method(D_METHOD("get_dungeon_data", "index"), &BiomeData::get_dungeon_data);
-	ClassDB::bind_method(D_METHOD("set_dungeon_data", "index", "data"), &BiomeData::set_dungeon_data);
-	ClassDB::bind_method(D_METHOD("add_dungeon_data", "dungeon_data"), &BiomeData::add_dungeon_data);
-	ClassDB::bind_method(D_METHOD("remove_dungeon_data", "index"), &BiomeData::remove_dungeon_data);
-	ClassDB::bind_method(D_METHOD("get_dungeon_data_count"), &BiomeData::get_dungeon_data_count);
-
-	ClassDB::bind_method(D_METHOD("get_dungeon_datas"), &BiomeData::get_dungeon_datas);
-	ClassDB::bind_method(D_METHOD("set_dungeon_datas", "dungeon_datas"), &BiomeData::set_dungeon_datas);
-	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "dungeon_datas", PROPERTY_HINT_NONE, "17/17:DungeonData", PROPERTY_USAGE_DEFAULT, "DungeonData"), "set_dungeon_datas", "get_dungeon_datas");
-
-	//WorldGeneratorPropData
-	ClassDB::bind_method(D_METHOD("get_prop_data", "index"), &BiomeData::get_prop_data);
-	ClassDB::bind_method(D_METHOD("set_prop_data", "index", "data"), &BiomeData::set_prop_data);
-	ClassDB::bind_method(D_METHOD("add_prop_data", "prop_data"), &BiomeData::add_prop_data);
-	ClassDB::bind_method(D_METHOD("remove_prop_data", "index"), &BiomeData::remove_prop_data);
-	ClassDB::bind_method(D_METHOD("get_prop_data_count"), &BiomeData::get_prop_data_count);
-
-	ClassDB::bind_method(D_METHOD("get_prop_datas"), &BiomeData::get_prop_datas);
-	ClassDB::bind_method(D_METHOD("set_prop_datas", "prop_datas"), &BiomeData::set_prop_datas);
-	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "prop_datas", PROPERTY_HINT_NONE, "17/17:WorldGeneratorPropData", PROPERTY_USAGE_DEFAULT, "WorldGeneratorPropData"), "set_prop_datas", "get_prop_datas");
-
-#ifdef ESS_PRESENT
-	//Entities
-	ClassDB::bind_method(D_METHOD("get_entity_data", "index"), &BiomeData::get_entity_data);
-	ClassDB::bind_method(D_METHOD("set_entity_data", "index", "data"), &BiomeData::set_entity_data);
-	ClassDB::bind_method(D_METHOD("add_entity_data", "entity_data"), &BiomeData::add_entity_data);
-	ClassDB::bind_method(D_METHOD("remove_entity_data", "index"), &BiomeData::remove_entity_data);
-	ClassDB::bind_method(D_METHOD("get_entity_data_count"), &BiomeData::get_entity_data_count);
-
-	ClassDB::bind_method(D_METHOD("get_entity_datas"), &BiomeData::get_entity_datas);
-	ClassDB::bind_method(D_METHOD("set_entity_datas", "entity_datas"), &BiomeData::set_entity_datas);
-	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "entity_datas", PROPERTY_HINT_NONE, "17/17:EntityData", PROPERTY_USAGE_DEFAULT, "EntityData"), "set_entity_datas", "get_entity_datas");
-#endif
-
-#ifdef VOXELMAN_PRESENT
-	//Environments
-	ClassDB::bind_method(D_METHOD("get_environment_data", "index"), &BiomeData::get_environment_data);
-	ClassDB::bind_method(D_METHOD("set_environment_data", "index", "data"), &BiomeData::set_environment_data);
-	ClassDB::bind_method(D_METHOD("add_environment_data", "environment_data"), &BiomeData::add_environment_data);
-	ClassDB::bind_method(D_METHOD("remove_environment_data", "index"), &BiomeData::remove_environment_data);
-	ClassDB::bind_method(D_METHOD("get_environment_data_count"), &BiomeData::get_environment_data_count);
-
-	ClassDB::bind_method(D_METHOD("get_environment_datas"), &BiomeData::get_environment_datas);
-	ClassDB::bind_method(D_METHOD("set_environment_datas", "environment_datas"), &BiomeData::set_environment_datas);
-	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "environment_datas", PROPERTY_HINT_NONE, "17/17:EnvironmentData", PROPERTY_USAGE_DEFAULT, "EnvironmentData"), "set_environment_datas", "get_environment_datas");
-
-	//Surfaces
-	ClassDB::bind_method(D_METHOD("get_voxel_surface", "index"), &BiomeData::get_voxel_surface);
-	ClassDB::bind_method(D_METHOD("set_voxel_surface", "index", "data"), &BiomeData::set_voxel_surface);
-	ClassDB::bind_method(D_METHOD("add_voxel_surface", "voxel_surface"), &BiomeData::add_voxel_surface);
-	ClassDB::bind_method(D_METHOD("remove_voxel_surface", "index"), &BiomeData::remove_voxel_surface);
-	ClassDB::bind_method(D_METHOD("get_voxel_surface_count"), &BiomeData::get_voxel_surface_count);
-
-	ClassDB::bind_method(D_METHOD("get_voxel_surfaces"), &BiomeData::get_voxel_surfaces);
-	ClassDB::bind_method(D_METHOD("set_voxel_surfaces", "voxel_surfaces"), &BiomeData::set_voxel_surfaces);
-	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "voxel_surfaces", PROPERTY_HINT_NONE, "17/17:VoxelSurface", PROPERTY_USAGE_DEFAULT, "VoxelSurface"), "set_voxel_surfaces", "get_voxel_surfaces");
-#endif
-
-	ClassDB::bind_method(D_METHOD("instance"), &BiomeData::instance);
-}
diff --git a/data/biome_data.h b/data/biome_data.h
deleted file mode 100644
index 10e0018..0000000
--- a/data/biome_data.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
-Copyright (c) 2019-2020 Péter Magyar
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-*/
-
-#ifndef dungeon_data_H
-#define dungeon_data_H
-
-#include "core/math/vector2.h"
-#include "core/resource.h"
-#include "core/script_language.h"
-#include "core/ustring.h"
-#include "core/vector.h"
-
-#include "../main/biome.h"
-#include "dungeon_data.h"
-#include "world_generator_prop_data.h"
-
-#ifdef VOXELMAN_PRESENT
-#include "../../voxelman/library/voxel_surface.h"
-#include "../../voxelman/world/environment_data.h"
-#endif
-
-#ifdef ESS_PRESENT
-#include "../../entity_spell_system/entities/data/entity_data.h"
-#endif
-
-class Biome;
-
-class BiomeData : public Resource {
-	GDCLASS(BiomeData, Resource);
-
-public:
-	Ref<Biome> get_biome();
-	void set_biome(const Ref<Biome> &biome);
-
-	Vector2 get_level_range();
-	void set_level_range(Vector2 value);
-
-	Vector2 get_humidity_range();
-	void set_humidity_range(Vector2 range);
-
-	Vector2 get_temperature_range();
-	void set_temperature_range(Vector2 range);
-
-	//DungeonData
-	Ref<DungeonData> get_dungeon_data(const int index) const;
-	void set_dungeon_data(const int index, const Ref<DungeonData> dungeon_data);
-	void add_dungeon_data(const Ref<DungeonData> dungeon_data);
-	void remove_dungeon_data(const int index);
-
-	int get_dungeon_data_count() const;
-
-	Vector<Variant> get_dungeon_datas();
-	void set_dungeon_datas(const Vector<Variant> &dungeon_datas);
-
-	//WorldGeneratorPropData
-	Ref<WorldGeneratorPropData> get_prop_data(const int index) const;
-	void set_prop_data(const int index, const Ref<WorldGeneratorPropData> prop_data);
-	void add_prop_data(const Ref<WorldGeneratorPropData> prop_data);
-	void remove_prop_data(const int index);
-	int get_prop_data_count() const;
-
-	Vector<Variant> get_prop_datas();
-	void set_prop_datas(const Vector<Variant> &prop_datas);
-
-#ifdef ESS_PRESENT
-	//Entities
-	Ref<EntityData> get_entity_data(const int index) const;
-	void set_entity_data(const int index, const Ref<EntityData> entity_data);
-	void add_entity_data(const Ref<EntityData> entity_data);
-	void remove_entity_data(const int index);
-	int get_entity_data_count() const;
-
-	Vector<Variant> get_entity_datas();
-	void set_entity_datas(const Vector<Variant> &entity_datas);
-#endif
-
-#ifdef VOXELMAN_PRESENT
-	//Environments
-	Ref<EnvironmentData> get_environment_data(const int index) const;
-	void set_environment_data(const int index, const Ref<EnvironmentData> environment_data);
-	void add_environment_data(const Ref<EnvironmentData> environment_data);
-	void remove_environment_data(const int index);
-	int get_environment_data_count() const;
-
-	Vector<Variant> get_environment_datas();
-	void set_environment_datas(const Vector<Variant> &environment_datas);
-
-	//Surfaces
-	Ref<VoxelSurface> get_voxel_surface(const int index) const;
-	void set_voxel_surface(const int index, const Ref<VoxelSurface> voxel_surface);
-	void add_voxel_surface(const Ref<VoxelSurface> voxel_surface);
-	void remove_voxel_surface(const int index);
-	int get_voxel_surface_count() const;
-
-	Vector<Variant> get_voxel_surfaces();
-	void set_voxel_surfaces(const Vector<Variant> &voxel_surfaces);
-#endif
-
-	Ref<Biome> instance();
-
-	BiomeData();
-	~BiomeData();
-
-protected:
-	static void _bind_methods();
-
-private:
-	Ref<Biome> _biome;
-
-	Vector2 _level_range;
-
-	Vector2 _humidity_range;
-	Vector2 _temperature_range;
-
-	Vector<Ref<DungeonData> > _dungeon_datas;
-	Vector<Ref<WorldGeneratorPropData> > _prop_datas;
-
-#ifdef ESS_PRESENT
-	Vector<Ref<EntityData> > _entity_datas;
-#endif
-
-#ifdef VOXELMAN_PRESENT
-	Vector<Ref<EnvironmentData> > _environment_datas;
-	Vector<Ref<VoxelSurface> > _voxel_surfaces;
-	Vector<Ref<VoxelSurface> > _liquid_voxel_surfaces;
-#endif
-};
-
-#endif
diff --git a/main/biome.cpp b/main/biome.cpp
index b707f13..4489b2b 100644
--- a/main/biome.cpp
+++ b/main/biome.cpp
@@ -36,6 +36,20 @@ void Biome::set_level_range(Vector2 value) {
 	_level_range = value;
 }
 
+Vector2 Biome::get_humidity_range() {
+	return _humidity_range;
+}
+void Biome::set_humidity_range(Vector2 range) {
+	_humidity_range = range;
+}
+
+Vector2 Biome::get_temperature_range() {
+	return _temperature_range;
+}
+void Biome::set_temperature_range(Vector2 range) {
+	_temperature_range = range;
+}
+
 #ifdef VOXELMAN_PRESENT
 Ref<EnvironmentData> Biome::get_environment() {
 	return _environment;
@@ -45,13 +59,6 @@ void Biome::set_environment(Ref<EnvironmentData> value) {
 }
 #endif
 
-Ref<BiomeData> Biome::get_data() {
-	return _data;
-}
-void Biome::set_data(Ref<BiomeData> value) {
-	_data = value;
-}
-
 ////    Prop Data    ////
 Ref<WorldGeneratorPropData> Biome::get_prop_data(const int index) const {
 	ERR_FAIL_INDEX_V(index, _prop_datas.size(), Ref<WorldGeneratorPropData>());
@@ -76,6 +83,26 @@ int Biome::get_prop_data_count() const {
 	return _prop_datas.size();
 }
 
+Vector<Variant> Biome::get_prop_datas() {
+	Vector<Variant> r;
+	for (int i = 0; i < _prop_datas.size(); i++) {
+#if VERSION_MAJOR < 4
+		r.push_back(_prop_datas[i].get_ref_ptr());
+#else
+		r.push_back(_prop_datas[i]);
+#endif
+	}
+	return r;
+}
+void Biome::set_prop_datas(const Vector<Variant> &prop_datas) {
+	_prop_datas.clear();
+	for (int i = 0; i < prop_datas.size(); i++) {
+		Ref<WorldGeneratorPropData> prop_data = Ref<WorldGeneratorPropData>(prop_datas[i]);
+
+		_prop_datas.push_back(prop_data);
+	}
+}
+
 #ifdef ESS_PRESENT
 //Entities
 Ref<EntityData> Biome::get_entity_data(const int index) const {
@@ -99,6 +126,26 @@ void Biome::remove_entity_data(const int index) {
 int Biome::get_entity_data_count() const {
 	return _entity_datas.size();
 }
+
+Vector<Variant> Biome::get_entity_datas() {
+	Vector<Variant> r;
+	for (int i = 0; i < _entity_datas.size(); i++) {
+#if VERSION_MAJOR < 4
+		r.push_back(_entity_datas[i].get_ref_ptr());
+#else
+		r.push_back(_entity_datas[i]);
+#endif
+	}
+	return r;
+}
+void Biome::set_entity_datas(const Vector<Variant> &entity_datas) {
+	_entity_datas.clear();
+	for (int i = 0; i < entity_datas.size(); i++) {
+		Ref<EntityData> entity_data = Ref<EntityData>(entity_datas[i]);
+
+		_entity_datas.push_back(entity_data);
+	}
+}
 #endif
 
 ////    Dungeons    ////
@@ -124,10 +171,116 @@ int Biome::get_dungeon_count() const {
 	return _dungeons.size();
 }
 
-void Biome::setup() {
-	if (!_data.is_valid())
-		return;
+Vector<Variant> Biome::get_dungeons() {
+	Vector<Variant> r;
+	for (int i = 0; i < _dungeons.size(); i++) {
+#if VERSION_MAJOR < 4
+		r.push_back(_dungeons[i].get_ref_ptr());
+#else
+		r.push_back(_dungeons[i]);
+#endif
+	}
+	return r;
+}
+void Biome::set_dungeons(const Vector<Variant> &dungeon_datas) {
+	_dungeons.clear();
+	for (int i = 0; i < dungeon_datas.size(); i++) {
+		Ref<DungeonData> dungeon_data = Ref<DungeonData>(dungeon_datas[i]);
 
+		_dungeons.push_back(dungeon_data);
+	}
+}
+
+#ifdef VOXELMAN_PRESENT
+//Environments
+Ref<EnvironmentData> Biome::get_environment_data(const int index) const {
+	ERR_FAIL_INDEX_V(index, _environment_datas.size(), Ref<EnvironmentData>());
+
+	return _environment_datas.get(index);
+}
+void Biome::set_environment_data(const int index, const Ref<EnvironmentData> environment_data) {
+	ERR_FAIL_INDEX(index, _environment_datas.size());
+
+	_environment_datas.set(index, environment_data);
+}
+void Biome::add_environment_data(const Ref<EnvironmentData> environment_data) {
+	_environment_datas.push_back(environment_data);
+}
+void Biome::remove_environment_data(const int index) {
+	ERR_FAIL_INDEX(index, _environment_datas.size());
+
+	_environment_datas.remove(index);
+}
+int Biome::get_environment_data_count() const {
+	return _environment_datas.size();
+}
+
+Vector<Variant> Biome::get_environment_datas() {
+	Vector<Variant> r;
+	for (int i = 0; i < _environment_datas.size(); i++) {
+#if VERSION_MAJOR < 4
+		r.push_back(_environment_datas[i].get_ref_ptr());
+#else
+		r.push_back(_environment_datas[i]);
+#endif
+	}
+	return r;
+}
+void Biome::set_environment_datas(const Vector<Variant> &environment_datas) {
+	_environment_datas.clear();
+	for (int i = 0; i < environment_datas.size(); i++) {
+		Ref<EnvironmentData> environment_data = Ref<EnvironmentData>(environment_datas[i]);
+
+		_environment_datas.push_back(environment_data);
+	}
+}
+
+////    Surfaces    ////
+Ref<VoxelSurface> Biome::get_voxel_surface(const int index) const {
+	ERR_FAIL_INDEX_V(index, _voxel_surfaces.size(), Ref<VoxelSurface>());
+
+	return _voxel_surfaces.get(index);
+}
+void Biome::set_voxel_surface(const int index, const Ref<VoxelSurface> voxel_surface) {
+	ERR_FAIL_INDEX(index, _voxel_surfaces.size());
+
+	_voxel_surfaces.set(index, voxel_surface);
+}
+void Biome::add_voxel_surface(const Ref<VoxelSurface> voxel_surface) {
+	_voxel_surfaces.push_back(voxel_surface);
+}
+void Biome::remove_voxel_surface(const int index) {
+	ERR_FAIL_INDEX(index, _voxel_surfaces.size());
+
+	_voxel_surfaces.remove(index);
+}
+int Biome::get_voxel_surface_count() const {
+	return _voxel_surfaces.size();
+}
+
+Vector<Variant> Biome::get_voxel_surfaces() {
+	Vector<Variant> r;
+	for (int i = 0; i < _voxel_surfaces.size(); i++) {
+#if VERSION_MAJOR < 4
+		r.push_back(_voxel_surfaces[i].get_ref_ptr());
+#else
+		r.push_back(_voxel_surfaces[i]);
+#endif
+	}
+	return r;
+}
+void Biome::set_voxel_surfaces(const Vector<Variant> &voxel_surfaces) {
+	_voxel_surfaces.clear();
+	for (int i = 0; i < voxel_surfaces.size(); i++) {
+		Ref<EnvironmentData> voxel_surface = Ref<EnvironmentData>(voxel_surfaces[i]);
+
+		_voxel_surfaces.push_back(voxel_surface);
+	}
+}
+
+#endif
+
+void Biome::setup() {
 	if (has_method("_setup")) {
 		call("_setup");
 	}
@@ -152,17 +305,14 @@ void Biome::generate_stack(Ref<VoxelChunk> chunk, int x, int z, bool spawn_mobs)
 void Biome::setup_library(Ref<VoxelmanLibrary> library) {
 	ERR_FAIL_COND(!library.is_valid());
 
-	if (!_data.is_valid())
-		return;
-
 	if (has_method("_setup_library")) {
 		call("_setup_library", library);
 	}
 }
 
 void Biome::_setup_library(Ref<VoxelmanLibrary> library) {
-	for (int i = 0; i < _data->get_voxel_surface_count(); ++i) {
-		Ref<VoxelSurface> s = _data->get_voxel_surface(i);
+	for (int i = 0; i < get_voxel_surface_count(); ++i) {
+		Ref<VoxelSurface> s = get_voxel_surface(i);
 
 		if (s.is_valid()) {
 			library->add_voxel_surface(s);
@@ -178,8 +328,8 @@ void Biome::_setup_library(Ref<VoxelmanLibrary> library) {
 	}
 
 #ifdef PROPS_PRESENT
-	for (int i = 0; i < _data->get_prop_data_count(); ++i) {
-		Ref<WorldGeneratorPropData> s = _data->get_prop_data(i);
+	for (int i = 0; i < get_prop_data_count(); ++i) {
+		Ref<WorldGeneratorPropData> s = get_prop_data(i);
 
 		if (s.is_valid()) {
 			Ref<PackedScene> pd = s->get_prop();
@@ -217,7 +367,6 @@ Biome::~Biome() {
 	_environment.unref();
 #endif
 
-	_data.unref();
 	_prop_datas.clear();
 
 #ifdef ESS_PRESENT
@@ -225,6 +374,18 @@ Biome::~Biome() {
 #endif
 
 	_dungeons.clear();
+
+	_prop_datas.clear();
+
+#ifdef ESS_PRESENT
+	_entity_datas.clear();
+#endif
+
+#ifdef VOXELMAN_PRESENT
+	_environment_datas.clear();
+	_voxel_surfaces.clear();
+	_liquid_voxel_surfaces.clear();
+#endif
 }
 
 void Biome::_bind_methods() {
@@ -259,16 +420,20 @@ void Biome::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_level_range", "value"), &Biome::set_level_range);
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "level_range"), "set_level_range", "get_level_range");
 
+	ClassDB::bind_method(D_METHOD("get_humidity_range"), &Biome::get_humidity_range);
+	ClassDB::bind_method(D_METHOD("set_humidity_range", "value"), &Biome::set_humidity_range);
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "humidity_range"), "set_humidity_range", "get_humidity_range");
+
+	ClassDB::bind_method(D_METHOD("get_temperature_range"), &Biome::get_temperature_range);
+	ClassDB::bind_method(D_METHOD("set_temperature_range", "value"), &Biome::set_temperature_range);
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "temperature_range"), "set_temperature_range", "get_temperature_range");
+
 #ifdef VOXELMAN_PRESENT
 	ClassDB::bind_method(D_METHOD("get_environment"), &Biome::get_environment);
 	ClassDB::bind_method(D_METHOD("set_environment", "value"), &Biome::set_environment);
 	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "environment", PROPERTY_HINT_RESOURCE_TYPE, "EnvironmentData"), "set_environment", "get_environment");
 #endif
 
-	ClassDB::bind_method(D_METHOD("get_data"), &Biome::get_data);
-	ClassDB::bind_method(D_METHOD("set_data", "value"), &Biome::set_data);
-	ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "data", PROPERTY_HINT_RESOURCE_TYPE, "BiomeData", 0), "set_data", "get_data");
-
 	//Props
 	ClassDB::bind_method(D_METHOD("get_prop_data", "index"), &Biome::get_prop_data);
 	ClassDB::bind_method(D_METHOD("set_prop_data", "index", "data"), &Biome::set_prop_data);
@@ -276,6 +441,10 @@ void Biome::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("remove_prop_data", "index"), &Biome::remove_prop_data);
 	ClassDB::bind_method(D_METHOD("get_prop_data_count"), &Biome::get_prop_data_count);
 
+	ClassDB::bind_method(D_METHOD("get_prop_datas"), &Biome::get_prop_datas);
+	ClassDB::bind_method(D_METHOD("set_prop_datas", "prop_datas"), &Biome::set_prop_datas);
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "prop_datas", PROPERTY_HINT_NONE, "17/17:WorldGeneratorPropData", PROPERTY_USAGE_DEFAULT, "WorldGeneratorPropData"), "set_prop_datas", "get_prop_datas");
+
 #ifdef ESS_PRESENT
 	//Entities
 	ClassDB::bind_method(D_METHOD("get_entity_data", "index"), &Biome::get_entity_data);
@@ -283,6 +452,10 @@ void Biome::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("add_entity_data", "entity_data"), &Biome::add_entity_data);
 	ClassDB::bind_method(D_METHOD("remove_entity_data", "index"), &Biome::remove_entity_data);
 	ClassDB::bind_method(D_METHOD("get_entity_data_count"), &Biome::get_entity_data_count);
+
+	ClassDB::bind_method(D_METHOD("get_entity_datas"), &Biome::get_entity_datas);
+	ClassDB::bind_method(D_METHOD("set_entity_datas", "entity_datas"), &Biome::set_entity_datas);
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "entity_datas", PROPERTY_HINT_NONE, "17/17:EntityData", PROPERTY_USAGE_DEFAULT, "EntityData"), "set_entity_datas", "get_entity_datas");
 #endif
 
 	//Dungeons
@@ -291,4 +464,32 @@ void Biome::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("add_dungeon", "dungeon"), &Biome::add_dungeon);
 	ClassDB::bind_method(D_METHOD("remove_dungeon", "index"), &Biome::remove_dungeon);
 	ClassDB::bind_method(D_METHOD("get_dungeon_count"), &Biome::get_dungeon_count);
+
+	ClassDB::bind_method(D_METHOD("get_dungeons"), &Biome::get_dungeons);
+	ClassDB::bind_method(D_METHOD("set_dungeons", "dungeon_datas"), &Biome::set_dungeons);
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "dungeons", PROPERTY_HINT_NONE, "17/17:Dungeon", PROPERTY_USAGE_DEFAULT, "Dungeon"), "set_dungeons", "get_dungeons");
+
+#ifdef VOXELMAN_PRESENT
+	//Environments
+	ClassDB::bind_method(D_METHOD("get_environment_data", "index"), &Biome::get_environment_data);
+	ClassDB::bind_method(D_METHOD("set_environment_data", "index", "data"), &Biome::set_environment_data);
+	ClassDB::bind_method(D_METHOD("add_environment_data", "environment_data"), &Biome::add_environment_data);
+	ClassDB::bind_method(D_METHOD("remove_environment_data", "index"), &Biome::remove_environment_data);
+	ClassDB::bind_method(D_METHOD("get_environment_data_count"), &Biome::get_environment_data_count);
+
+	ClassDB::bind_method(D_METHOD("get_environment_datas"), &Biome::get_environment_datas);
+	ClassDB::bind_method(D_METHOD("set_environment_datas", "environment_datas"), &Biome::set_environment_datas);
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "environment_datas", PROPERTY_HINT_NONE, "17/17:EnvironmentData", PROPERTY_USAGE_DEFAULT, "EnvironmentData"), "set_environment_datas", "get_environment_datas");
+
+	//Surfaces
+	ClassDB::bind_method(D_METHOD("get_voxel_surface", "index"), &Biome::get_voxel_surface);
+	ClassDB::bind_method(D_METHOD("set_voxel_surface", "index", "data"), &Biome::set_voxel_surface);
+	ClassDB::bind_method(D_METHOD("add_voxel_surface", "voxel_surface"), &Biome::add_voxel_surface);
+	ClassDB::bind_method(D_METHOD("remove_voxel_surface", "index"), &Biome::remove_voxel_surface);
+	ClassDB::bind_method(D_METHOD("get_voxel_surface_count"), &Biome::get_voxel_surface_count);
+
+	ClassDB::bind_method(D_METHOD("get_voxel_surfaces"), &Biome::get_voxel_surfaces);
+	ClassDB::bind_method(D_METHOD("set_voxel_surfaces", "voxel_surfaces"), &Biome::set_voxel_surfaces);
+	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "voxel_surfaces", PROPERTY_HINT_NONE, "17/17:VoxelSurface", PROPERTY_USAGE_DEFAULT, "VoxelSurface"), "set_voxel_surfaces", "get_voxel_surfaces");
+#endif
 }
diff --git a/main/biome.h b/main/biome.h
index 1b527a7..e082a8b 100644
--- a/main/biome.h
+++ b/main/biome.h
@@ -28,7 +28,6 @@ SOFTWARE.
 
 #include "dungeon.h"
 
-#include "../data/biome_data.h"
 #include "../data/world_generator_prop_data.h"
 #include "scene/resources/packed_scene.h"
 
@@ -42,8 +41,6 @@ SOFTWARE.
 #include "../../entity_spell_system/entities/data/entity_data.h"
 #endif
 
-class BiomeData;
-
 class Biome : public Resource {
 	GDCLASS(Biome, Resource);
 
@@ -54,15 +51,18 @@ public:
 	Vector2 get_level_range();
 	void set_level_range(Vector2 value);
 
+	Vector2 get_humidity_range();
+	void set_humidity_range(Vector2 range);
+
+	Vector2 get_temperature_range();
+	void set_temperature_range(Vector2 range);
+
 #ifdef VOXELMAN_PRESENT
 	//Environment
 	Ref<EnvironmentData> get_environment();
 	void set_environment(Ref<EnvironmentData> value);
 #endif
 
-	Ref<BiomeData> get_data();
-	void set_data(Ref<BiomeData> value);
-
 	//WorldGeneratorPropData
 	Ref<WorldGeneratorPropData> get_prop_data(const int index) const;
 	void set_prop_data(const int index, const Ref<WorldGeneratorPropData> prop_data);
@@ -71,6 +71,9 @@ public:
 
 	int get_prop_data_count() const;
 
+	Vector<Variant> get_prop_datas();
+	void set_prop_datas(const Vector<Variant> &prop_datas);
+
 #ifdef ESS_PRESENT
 	//Entities
 	Ref<EntityData> get_entity_data(const int index) const;
@@ -78,6 +81,9 @@ public:
 	void add_entity_data(const Ref<EntityData> entity_data);
 	void remove_entity_data(const int index);
 	int get_entity_data_count() const;
+
+	Vector<Variant> get_entity_datas();
+	void set_entity_datas(const Vector<Variant> &entity_datas);
 #endif
 
 	//Dungeons
@@ -87,6 +93,31 @@ public:
 	void remove_dungeon(const int index);
 	int get_dungeon_count() const;
 
+	Vector<Variant> get_dungeons();
+	void set_dungeons(const Vector<Variant> &dungeon_datas);
+
+#ifdef VOXELMAN_PRESENT
+	//Environments
+	Ref<EnvironmentData> get_environment_data(const int index) const;
+	void set_environment_data(const int index, const Ref<EnvironmentData> environment_data);
+	void add_environment_data(const Ref<EnvironmentData> environment_data);
+	void remove_environment_data(const int index);
+	int get_environment_data_count() const;
+
+	Vector<Variant> get_environment_datas();
+	void set_environment_datas(const Vector<Variant> &environment_datas);
+
+	//Surfaces
+	Ref<VoxelSurface> get_voxel_surface(const int index) const;
+	void set_voxel_surface(const int index, const Ref<VoxelSurface> voxel_surface);
+	void add_voxel_surface(const Ref<VoxelSurface> voxel_surface);
+	void remove_voxel_surface(const int index);
+	int get_voxel_surface_count() const;
+
+	Vector<Variant> get_voxel_surfaces();
+	void set_voxel_surfaces(const Vector<Variant> &voxel_surfaces);
+#endif
+
 	void setup();
 
 #ifdef VOXELMAN_PRESENT
@@ -112,11 +143,13 @@ private:
 
 	Vector2 _level_range;
 
+	Vector2 _humidity_range;
+	Vector2 _temperature_range;
+
 #ifdef VOXELMAN_PRESENT
 	Ref<EnvironmentData> _environment;
 #endif
 
-	Ref<BiomeData> _data;
 	Vector<Ref<WorldGeneratorPropData> > _prop_datas;
 
 #ifdef ESS_PRESENT
@@ -124,6 +157,12 @@ private:
 #endif
 
 	Vector<Ref<Dungeon> > _dungeons;
+
+#ifdef VOXELMAN_PRESENT
+	Vector<Ref<EnvironmentData> > _environment_datas;
+	Vector<Ref<VoxelSurface> > _voxel_surfaces;
+	Vector<Ref<VoxelSurface> > _liquid_voxel_surfaces;
+#endif
 };
 
 #endif
diff --git a/register_types.cpp b/register_types.cpp
index cb6d023..415608e 100644
--- a/register_types.cpp
+++ b/register_types.cpp
@@ -22,7 +22,6 @@ SOFTWARE.
 
 #include "register_types.h"
 
-#include "data/biome_data.h"
 #include "data/dungeon_corridor_data.h"
 #include "data/dungeon_data.h"
 #include "data/dungeon_room_data.h"
@@ -40,7 +39,6 @@ void register_world_generator_types() {
 	ClassDB::register_class<DungeonRoomData>();
 	ClassDB::register_class<DungeonCorridorData>();
 	ClassDB::register_class<DungeonData>();
-	ClassDB::register_class<BiomeData>();
 	ClassDB::register_class<WorldGeneratorPropData>();
 
 	ClassDB::register_class<DungeonRoom>();