Added a lot of things, working on save/loading of the game

models/textures/Tree texture.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cs0pf7ogpaqm0"
+path="res://.godot/imported/Tree texture.png-f926170428cfb15d629cee223218cb1e.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://models/textures/Tree texture.png"
+dest_files=["res://.godot/imported/Tree texture.png-f926170428cfb15d629cee223218cb1e.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

models/tree1.blend.import

@@ -0,0 +1,50 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://iex6w53r12mp"
+path="res://.godot/imported/tree1.blend-cc08633ad44091cf543995f60bfe014d.scn"
+
+[deps]
+
+source_file="res://models/tree1.blend"
+dest_files=["res://.godot/imported/tree1.blend-cc08633ad44091cf543995f60bfe014d.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1
+blender/nodes/visible=0
+blender/nodes/punctual_lights=true
+blender/nodes/cameras=true
+blender/nodes/custom_properties=true
+blender/nodes/modifiers=1
+blender/meshes/colors=false
+blender/meshes/uvs=true
+blender/meshes/normals=true
+blender/meshes/tangents=true
+blender/meshes/skins=2
+blender/meshes/export_bones_deforming_mesh_only=false
+blender/materials/unpack_enabled=true
+blender/materials/export_materials=1
+blender/animation/limit_playback=true
+blender/animation/always_sample=true
+blender/animation/group_tracks=true

models/tree1.glb.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bmtdabffpea0c"
+path="res://.godot/imported/tree1.glb-11071132bbffea34242c0708ce7d8c96.scn"
+
+[deps]
+
+source_file="res://models/tree1.glb"
+dest_files=["res://.godot/imported/tree1.glb-11071132bbffea34242c0708ce7d8c96.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

models/tree1_Tree texture.png.import

@@ -0,0 +1,38 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bmdnagwn484ry"
+path.s3tc="res://.godot/imported/tree1_Tree texture.png-a307eefd8a9f7394b4f1a33a9ac5ea26.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+generator_parameters={
+"md5": "608aea78302cc1f1db9655a5e11c59a2"
+}
+
+[deps]
+
+source_file="res://models/tree1_Tree texture.png"
+dest_files=["res://.godot/imported/tree1_Tree texture.png-a307eefd8a9f7394b4f1a33a9ac5ea26.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

project.godot

@@ -11,13 +11,18 @@ config_version=5
 [application]
 
 config/name="Godsim"
-run/main_scene="res://scenes/world.tscn"
+run/main_scene="res://scenes/UI/main_menu.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
 
 [autoload]
 
 Definitions="*res://scripts/definitions.gd"
+World="*res://scripts/world.gd"
+
+[filesystem]
+
+import/fbx/enabled=false
 
 [input]
 
@@ -69,6 +74,7 @@ run={
 LMC={
 "deadzone": 0.5,
 "events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194305,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }
 "tile type loop"={
@@ -76,3 +82,8 @@ LMC={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":84,"key_label":0,"unicode":116,"echo":false,"script":null)
 ]
 }
+ingame_menu={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194305,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}

scenes/UI/ingame_menu.tscn

@@ -0,0 +1,73 @@
+[gd_scene load_steps=3 format=3 uid="uid://csfa8wr1fbfb2"]
+
+[ext_resource type="Script" path="res://scripts/ingame_menu.gd" id="1_swq50"]
+[ext_resource type="Script" path="res://scripts/menu_button.gd" id="2_ey872"]
+
+[node name="ingame_menu" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_swq50")
+
+[node name="PanelContainer" type="PanelContainer" parent="."]
+modulate = Color(1, 1, 1, 0.501961)
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 89.0
+offset_top = 93.0
+offset_right = -89.0
+offset_bottom = -93.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Buttons" type="Control" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -20.0
+offset_top = -20.0
+offset_right = 20.0
+offset_bottom = 20.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="save_world_button" type="Button" parent="Buttons"]
+layout_mode = 2
+offset_left = -45.0
+offset_top = -45.0
+offset_right = 46.0
+offset_bottom = -14.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "Save world"
+script = ExtResource("2_ey872")
+
+[node name="save_exit_button" type="Button" parent="Buttons"]
+layout_mode = 2
+offset_left = -71.0
+offset_top = 22.0
+offset_right = 87.0
+offset_bottom = 53.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "Save and exit game"
+script = ExtResource("2_ey872")
+
+[node name="exit_nosave_button" type="Button" parent="Buttons"]
+layout_mode = 2
+offset_left = 334.0
+offset_top = 212.0
+offset_right = 492.0
+offset_bottom = 243.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "exit without saving"
+script = ExtResource("2_ey872")

scenes/UI/main_menu.tscn

@@ -0,0 +1,59 @@
+[gd_scene load_steps=2 format=3 uid="uid://byrk15nhm7h45"]
+
+[ext_resource type="Script" path="res://scripts/menu_button.gd" id="1_48nxl"]
+
+[node name="Main menu" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="new_world_button" type="Button" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -47.0
+offset_top = -73.0
+offset_right = 45.0
+offset_bottom = -42.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "New world"
+script = ExtResource("1_48nxl")
+
+[node name="load_world_button" type="Button" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -47.5
+offset_top = -15.5
+offset_right = 47.5
+offset_bottom = 15.5
+grow_horizontal = 2
+grow_vertical = 2
+text = "Load world"
+script = ExtResource("1_48nxl")
+
+[node name="quit_button" type="Button" parent="."]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -23.0
+offset_top = 55.0
+offset_right = 19.0
+offset_bottom = 86.0
+grow_horizontal = 2
+grow_vertical = 2
+text = "Quit"
+script = ExtResource("1_48nxl")

scenes/models/god.tscn

@@ -1,7 +1,9 @@
-[gd_scene load_steps=3 format=3 uid="uid://b6er1dx11vq1a"]
+[gd_scene load_steps=5 format=3 uid="uid://b6er1dx11vq1a"]
 
 [ext_resource type="Script" path="res://scripts/God.gd" id="1_hfa56"]
-[ext_resource type="PackedScene" uid="uid://bs7ctvbx7xov5" path="res://scenes/ui.tscn" id="2_06brk"]
+[ext_resource type="PackedScene" uid="uid://bs7ctvbx7xov5" path="res://scenes/UI/ui.tscn" id="2_tlgt4"]
+[ext_resource type="Script" path="res://scripts/ingame_menu.gd" id="3_26rdb"]
+[ext_resource type="Script" path="res://scripts/ingame_menu_button.gd" id="4_ggyng"]
 
 [node name="God" type="Node3D"]
 transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, 0, 0, 0)
@@ -12,5 +14,75 @@ script = ExtResource("1_hfa56")
 [node name="eye" type="RayCast3D" parent="Camera"]
 transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, 0, 0)
 target_position = Vector3(100, 0, 0)
+collision_mask = 3
 
-[node name="UI" parent="." instance=ExtResource("2_06brk")]
+[node name="UI" parent="." instance=ExtResource("2_tlgt4")]
+
+[node name="ingame_menu" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("3_26rdb")
+
+[node name="PanelContainer" type="PanelContainer" parent="ingame_menu"]
+modulate = Color(1, 1, 1, 0.501961)
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_left = 89.0
+offset_top = 93.0
+offset_right = -89.0
+offset_bottom = -93.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="Buttons" type="Control" parent="ingame_menu"]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -20.0
+offset_top = -20.0
+offset_right = 20.0
+offset_bottom = 20.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="save_world_button" type="Button" parent="ingame_menu/Buttons"]
+layout_mode = 2
+offset_left = -45.0
+offset_top = -45.0
+offset_right = 46.0
+offset_bottom = -14.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "Save world"
+script = ExtResource("4_ggyng")
+
+[node name="save_exit_button" type="Button" parent="ingame_menu/Buttons"]
+layout_mode = 2
+offset_left = -71.0
+offset_top = 22.0
+offset_right = 87.0
+offset_bottom = 53.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "Save and exit game"
+script = ExtResource("4_ggyng")
+
+[node name="exit_nosave_button" type="Button" parent="ingame_menu/Buttons"]
+layout_mode = 2
+offset_left = 334.0
+offset_top = 212.0
+offset_right = 492.0
+offset_bottom = 243.0
+size_flags_horizontal = 4
+size_flags_vertical = 4
+text = "exit without saving"
+script = ExtResource("4_ggyng")

scenes/models/tile.tscn

@@ -33,6 +33,7 @@ size = Vector3(10, 5, 10)
 
 [node name="Tile" type="StaticBody3D"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -2.5, 0)
+collision_layer = 2
 script = ExtResource("1_s01tx")
 
 [node name="Empty_tile" type="CollisionShape3D" parent="."]
@@ -64,13 +65,17 @@ skeleton = NodePath("../..")
 
 [node name="ray_north" type="RayCast3D" parent="."]
 target_position = Vector3(10, 0, 0)
+collision_mask = 3
 
 [node name="ray_south" type="RayCast3D" parent="."]
 target_position = Vector3(-10, 0, 0)
+collision_mask = 3
 
 [node name="ray_west" type="RayCast3D" parent="."]
 target_position = Vector3(0, 0, -10)
+collision_mask = 3
 
 [node name="ray_east" type="RayCast3D" parent="."]
 target_position = Vector3(0, 0, 10)
+collision_mask = 3
 collide_with_areas = true

scenes/models/tree_1.tscn

@@ -0,0 +1,9 @@
+[gd_scene load_steps=2 format=3 uid="uid://diinihb536yya"]
+
+[ext_resource type="PackedScene" uid="uid://bmtdabffpea0c" path="res://models/tree1.glb" id="1_q4afb"]
+
+[node name="Tree1" type="Node3D"]
+
+[node name="tree1" parent="." instance=ExtResource("1_q4afb")]
+
+[editable path="tree1"]

scenes/world.tscn

@@ -1,29 +1,28 @@
 [gd_scene load_steps=6 format=3 uid="uid://dh52xle0rfx5r"]
 
-[ext_resource type="PackedScene" uid="uid://b6er1dx11vq1a" path="res://scenes/models/god.tscn" id="1_vj3b2"]
+[ext_resource type="Script" path="res://scripts/Earth.gd" id="1_u71pd"]
-[ext_resource type="Script" path="res://scripts/Earth.gd" id="2_oiur1"]
+[ext_resource type="PackedScene" uid="uid://b6er1dx11vq1a" path="res://scenes/models/god.tscn" id="2_frpdt"]
 
-[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_xk8d1"]
+[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_01wm3"]
 
-[sub_resource type="Sky" id="Sky_wd7fg"]
+[sub_resource type="Sky" id="Sky_oeb53"]
-sky_material = SubResource("ProceduralSkyMaterial_xk8d1")
+sky_material = SubResource("ProceduralSkyMaterial_01wm3")
 
-[sub_resource type="Environment" id="Environment_4ke8e"]
+[sub_resource type="Environment" id="Environment_4hkk2"]
 background_mode = 2
-sky = SubResource("Sky_wd7fg")
+sky = SubResource("Sky_oeb53")
-ambient_light_source = 3
 
 [node name="World" type="Node3D"]
-
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 4.20056, -2.31495, -0.853709)
-[node name="God" parent="." instance=ExtResource("1_vj3b2")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -1, 0, 1)
-
-[node name="Sky" type="WorldEnvironment" parent="."]
-environment = SubResource("Environment_4ke8e")
-
-[node name="Sun" type="DirectionalLight3D" parent="Sky"]
-transform = Transform3D(-0.0647024, -0.76, 0.646694, -0.0118927, 0.648593, 0.761042, -0.997834, 0.0415503, -0.051004, 0, 0, 0)
-shadow_enabled = true
 
 [node name="Earth" type="Node3D" parent="."]
-script = ExtResource("2_oiur1")
+script = ExtResource("1_u71pd")
+
+[node name="God" parent="." instance=ExtResource("2_frpdt")]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, -2.77222, 0.906321, 0)
+
+[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
+environment = SubResource("Environment_4hkk2")
+
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="WorldEnvironment"]
+transform = Transform3D(-3.53179e-08, 0.58921, -0.80798, 2.57552e-08, 0.80798, 0.58921, 1, 0, -4.37114e-08, -14.3426, 13.3054, 0)

scripts/Earth.gd

@@ -10,6 +10,8 @@ var tile_exemplar = preload("res://scenes/models/tile.tscn");
 
 func _ready():
 	var start_tile = tile_exemplar.instantiate()
+	start_tile.add_to_group("Persistent")
+	
 	add_child(start_tile);
 
 func _physics_process(delta):
@@ -23,6 +25,7 @@ func mark_free_tiles():
 		for dir in free_dirs:
 			var free_tile = tile_exemplar.instantiate()
 			free_tile.tile_type = TileType.Empty
+			free_tile.add_to_group("Persistent")
 			add_child(free_tile)
 			var pos: Vector3 = tile.position
 			match dir:

scripts/God.gd

@@ -41,7 +41,7 @@ func _physics_process(delta):
 	velocity_label.text = "Velocity: " + str(walk)
 	
 	var input_dir = Input.get_vector("left", "right", "forward", "backward")
-	var direction = (head.transform.basis * Vector3(input_dir.x, input_dir.x, input_dir.y)).normalized()
+	var direction = (head.transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
 	var velocity = Vector3.ZERO
 	var speed
 	

scripts/Tile.gd

@@ -32,3 +32,13 @@ func get_free_dirs_around():
 	
 func _process(delta):
 	pass
+
+func save():
+	if tile_type == TileType.Empty: return {}
+	return {
+		"node": "tile",
+		"pos_x": position.x,
+		"pos_y": position.y,
+		"pos_z": position.z,
+		"tile_type": tile_type
+	}

scripts/ingame_menu.gd

@@ -0,0 +1,6 @@
+extends Control
+
+func _physics_process(delta):
+	if Input.is_action_just_pressed("ingame_menu"):
+		self.visible = !self.visible
+		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE if self.visible else Input.MOUSE_MODE_CAPTURED)

scripts/ingame_menu_button.gd

@@ -0,0 +1,24 @@
+extends Button
+
+@onready var button = $"."
+@onready var main_menu = $".."
+var world_scene = preload("res://scenes/world.tscn")
+
+func _ready():
+	print("ready")
+	enable() 
+
+func enable():
+	$".".pressed.connect(self._button_pressed)
+	
+func disable():
+	$".".pressed.disconnect()
+
+func _button_pressed():
+	if ("save_world" in name):
+		World.save_world()
+	elif ("save_exit" in name):
+		World.save_world()
+		get_tree().change_scene_to_file("res://scenes/UI/main_menu.tscn")
+	elif ("exit_nosave" in name):
+		get_tree().change_scene_to_file("res://scenes/UI/main_menu.tscn")

scripts/menu_button.gd

@@ -0,0 +1,42 @@
+extends Button
+
+@onready var button = $"."
+@onready var main_menu = $".."
+var world_scene = preload("res://scenes/world.tscn")
+
+func _ready():
+	print("ready")
+	enable() 
+
+func test():
+	print("test")
+
+func enable():
+	$".".pressed.connect(self._button_pressed)
+	
+func disable():
+	$".".pressed.disconnect()
+
+func _button_pressed():
+	if ("quit" in name):
+		get_tree().quit()
+	elif ("new_world" in name):
+		get_tree().change_scene_to_packed(world_scene)
+		World.new_world()
+	elif ("load_world" in name):
+		#assert(get_tree().change_scene_to_packed(world_scene) == OK)
+		#get_tree().change_scene_to_packed(world_scene)
+		var world_scene_instance = world_scene.instantiate();
+		world_scene_instance.name = "world"
+		var a = $"/root/Main menu"
+		print(str(a))
+		get_tree().root.add_child(world_scene_instance)		
+		get_tree().root.remove_child(a)
+		World.load_world("world")
+	elif ("save_world" in name):
+		World.save_world()
+	elif ("save_exit" in name):
+		World.save_world()
+		get_tree().change_scene_to_file("res://scenes/UI/main_menu.tscn")
+	elif ("exit_nosave" in name):
+		get_tree().change_scene_to_file("res://scenes/UI/main_menu.tscn")

scripts/world.gd

@@ -0,0 +1,108 @@
+extends Node
+
+var world_seed = 0;
+var world_info = {
+	"seed": 0,
+	"name": "world"
+}
+
+func _ready():
+	#new_world()
+	pass
+
+func new_world():
+	world_info.seed = round(Time.get_unix_time_from_system())
+	print("World seed is " + str(world_info.seed))
+	print("World name is " + str(world_info.name))
+
+func save_world():
+	print("Saving world")
+	var save_game = FileAccess.open("user://%s.save" % world_info.name, FileAccess.WRITE)
+	
+	# Saving world info
+	save_game.store_line(JSON.stringify(world_info))
+	
+	var save_nodes = get_tree().get_nodes_in_group("Persistent")
+	
+	for node in save_nodes:
+		# Check the node is an instanced scene so it can be instanced again during load.
+		if node.scene_file_path.is_empty():
+			print("persistent node '%s' is not an instanced scene, skipped" % node.name)
+			continue
+
+		# Check the node has a save function.
+		if !node.has_method("save"):
+			print("persistent node '%s' is missing a save() function, skipped" % node.name)
+			continue
+
+		# Call the node's save function.
+		var node_data = node.call("save")
+		#print(node_data)
+		if (node_data == {}): continue
+		# JSON provides a static method to serialized JSON string.
+		var json_string = JSON.stringify(node_data)
+
+		# Store the save dictionary as a new line in the save file.
+		save_game.store_line(json_string)
+
+func load_world(save_name):
+	if not FileAccess.file_exists("user://%s.save" % save_name):
+		return # Error! We don't have a save to load.
+
+	# We need to revert the game state so we're not cloning objects
+	# during loading. This will vary wildly depending on the needs of a
+	# project, so take care with this step.
+	# For our example, we will accomplish this by deleting saveable objects.
+	var save_nodes = get_tree().get_nodes_in_group("Persistent")
+	for i in save_nodes:
+		i.queue_free()
+
+	# Load the file line by line and process that dictionary to restore
+	# the object it represents.
+	var save_game = FileAccess.open("user://%s.save" % save_name, FileAccess.READ)
+	
+	var json_string_world = save_game.get_line()
+
+	var json_world = JSON.new()
+
+	var parse_result_world = json_world.parse(json_string_world)
+	if not parse_result_world == OK:
+		print("JSON Parse Error: ", json_world.get_error_message(), " in ", json_string_world, " at line ", json_world.get_error_line())
+		return
+
+	world_info = json_world.get_data()
+	
+	while save_game.get_position() < save_game.get_length():
+		var json_string = save_game.get_line()
+
+		# Creates the helper class to interact with JSON
+		var json = JSON.new()
+
+		# Check if there is any error while parsing the JSON string, skip in case of failure
+		var parse_result = json.parse(json_string)
+		if not parse_result == OK:
+			print("JSON Parse Error: ", json.get_error_message(), " in ", json_string, " at line ", json.get_error_line())
+			continue
+
+		# Get the data from the JSON object
+		var node_data = json.get_data()
+
+		# Firstly, we need to create the object and add it to the tree and set its position.
+		#var new_object = load(node_data["filename"]).instantiate()
+		var new_object
+		match node_data["node"]:
+			"tile":
+				new_object = load("res://scenes/models/tile.tscn").instantiate()
+				#print(str(get_tree().root.get_node("world/Earth")))
+				get_tree().root.get_node("world/Earth").add_child(new_object)
+		
+		new_object.position = Vector3(node_data["pos_x"], node_data["pos_y"], node_data["pos_z"])
+
+		# Now we set the remaining variables.
+		for i in node_data.keys():
+			if i == "node" or "pos" in i:
+				continue
+			new_object.set(i, node_data[i])
+			new_object.call("update_tile")
+	get_tree().root.get_node("world/Earth").call("mark_free_tiles")
+	

textures/tree1_Tree texture.png.import

@@ -0,0 +1,38 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://djg78u0i8giw8"
+path.s3tc="res://.godot/imported/tree1_Tree texture.png-643219c601b830844579a0c7f3bf8bf3.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+generator_parameters={
+"md5": "608aea78302cc1f1db9655a5e11c59a2"
+}
+
+[deps]
+
+source_file="res://textures/tree1_Tree texture.png"
+dest_files=["res://.godot/imported/tree1_Tree texture.png-643219c601b830844579a0c7f3bf8bf3.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0