deleted: LICENSE

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diff --git a/addons/voxel-core/classes/voxel_set.gd b/addons/voxel-core/classes/voxel_set.gd
deleted file mode 100644
index d0bccac..0000000
--- a/addons/voxel-core/classes/voxel_set.gd
+++ /dev/null
@@ -1,234 +0,0 @@
-tool
-class_name VoxelSet, "res://addons/voxel-core/assets/classes/voxel_set.png"
-extends Resource
-# Library of Voxels used by VoxelObjects.
-
-
-
-## Signals
-# Emitted on request_refresh
-signal requested_refresh
-
-
-
-## Exported Variables
-# Size of each tile in tiles in pixels
-export var tile_size := Vector2(32.0, 32.0) setget set_tile_size
-
-# Texture used for tiles / uv mapping
-export var tiles : Texture = null setget set_tiles
-
-# Materials used by voxels
-export(Array, Material) var materials := [
-	SpatialMaterial.new(),
-] setget set_materials
-
-
-
-## Private Variables
-# Voxels stored by their id
-var _voxels := []
-
-# Flag indicating whether _uv_scale, tile_size and tiles texture is set
-var _uv_ready := false
-
-# World UV Scale, calculated on request_refresh
-var _uv_scale := Vector2.ONE
-
-
-
-## Built-In Virtual Methods
-func _get(property : String):
-	if property == "VOXELS":
-		return _voxels
-
-
-func _set(property : String, value) -> bool:
-	if property == "VOXELS":
-		if typeof(value) == TYPE_DICTIONARY:
-			for key in value:
-				var voxel : Dictionary = value[key]
-				if voxel.has("vsn"):
-					Voxel.set_name(voxel, voxel["vsn"])
-					voxel.erase("vsn")
-				_voxels.append(value[key])
-		else:
-			_voxels = value
-		return true
-	return false
-
-
-func _get_property_list():
-	var properties = []
-	
-	properties.append({
-		"name": "VOXELS",
-		"type": TYPE_ARRAY,
-		"hint": PROPERTY_HINT_NONE,
-		"usage": PROPERTY_USAGE_STORAGE,
-	})
-	
-	return properties
-
-
-
-## Public Methods
-# Sets tile_size, calls on request_refresh by default
-func set_tile_size(value : Vector2, refresh := true) -> void:
-	tile_size = Vector2(
-			floor(clamp(value.x, 1, 256)),
-			floor(clamp(value.y, 1, 256)))
-	
-	if refresh:
-		request_refresh()
-
-
-# Sets tiles, calls on request_refresh by default
-func set_tiles(value : Texture, refresh := true) -> void:
-	tiles = value
-	
-	if refresh:
-		request_refresh()
-
-
-# Sets materials used by voxels in VoxelSet
-func set_materials(values : Array, refresh := true) -> void:
-	for index in range(values.size()):
-		var material = values[index]
-		if is_instance_valid(material) and not (material is SpatialMaterial or material is ShaderMaterial):
-			printerr("VoxelSet : Expected Spatial or Shader material got " + str(material))
-			values[index] = null
-	
-	if values.empty():
-		materials.resize(1)
-	else:
-		materials = values
-	property_list_changed_notify()
-	
-	if refresh:
-		request_refresh()
-
-
-# Returns VoxelSet material with id if present, otherwise returns null
-func get_material(id : int) -> Material:
-	return materials[id] if id > -1 and id < materials.size() else null
-
-
-# Returns number of voxels in VoxelSet
-func size() -> int:
-	return _voxels.size()
-
-
-# Returns true if VoxelSet has no voxels
-func empty() -> bool:
-	return _voxels.empty()
-
-
-# Returns true if VoxelSet has voxel with given id
-func has_id(id : int) -> bool:
-	return id > -1 and id < _voxels.size()
-
-
-# Returns true if VoxelSet has everything necessary for uv mapping
-func uv_ready() -> bool:
-	return _uv_ready
-
-
-# Returns the uv scale
-func uv_scale() -> Vector2:
-	return _uv_scale
-
-
-# Returns true if given id is valid
-static func is_valid_id(id : int) -> bool:
-	return id > -1
-
-
-# Returns a list of all the voxel ids
-# returns   :   Array<int>   :   contained voxel ids
-func get_ids() -> Array:
-	return range(_voxels.size())
-
-
-# Returns name associated with the given id, returns a empty string if id isn't found
-func id_to_name(id : int) -> String:
-	return Voxel.get_name(get_voxel(id))
-
-
-# Returns the id of the voxel with the given name, returns -1 if not found
-func name_to_id(name : String) -> int:
-	name = name.to_lower()
-	for id in get_ids():
-		if id_to_name(id) == name:
-			return id
-	return -1
-
-
-# Appends voxel to end of VoxelSet
-func add_voxel(voxel : Dictionary) -> void:
-	_voxels.append(voxel)
-
-
-# Sets the voxel at given id
-func set_voxel(id : int, voxel : Dictionary) -> void:
-	if not has_id(id):
-		printerr("VoxelSet : given id `" + str(id) + "` is out of range")
-		return
-	
-	_voxels[id] = voxel
-
-
-# Insert voxel with given id
-func insert_voxel(id : int, voxel : Dictionary) -> void:
-	if id < -1 and id > _voxels.size():
-		printerr("VoxelSet : given id `" + str(id) + "` is out of range")
-		return
-	
-	_voxels.insert(id, voxel)
-
-
-# Replaces all _voxels
-func set_voxels(voxels : Array) -> void:
-	_voxels = voxels
-
-
-# Gets voxel Dictionary by their id, returns an empty Dictionary if not found
-func get_voxel(id : int) -> Dictionary:
-	return _voxels[id] if has_id(id) else {}
-
-
-# Erase voxel from VoxelSet
-func erase_voxel(id : int) -> void:
-	_voxels.remove(id)
-
-
-# Erases all voxels in VoxelSet
-func erase_voxels() -> void:
-	_voxels.clear()
-
-
-# Should be called when noticable changes have been committed to voxels.
-# Emits requested_refresh, calculates _uv_scale and updates _uv_ready
-func request_refresh() -> void:
-	_uv_ready = is_instance_valid(tiles)
-	if _uv_ready:
-		_uv_scale = Vector2.ONE / (tiles.get_size() / tile_size)
-	else:
-		_uv_scale = Vector2.ONE
-	emit_signal("requested_refresh")
-
-
-# Loads file's content as voxels
-# NOTE: Reference Reader.gd for valid file imports
-# source_file   :   String   :   Path to file to be loaded
-# return int    :   int      :   Error code
-func load_file(source_file : String, append := false) -> int:
-	var read := Reader.read_file(source_file)
-	var error : int = read.get("error", FAILED)
-	if error == OK:
-		if append:
-			for voxel in read["palette"]:
-				add_voxel(voxel)
-		else:
-			set_voxels(read["palette"])
-	return error