extends SceneTree

func _initialize() -> void:
	_generate()

func _save_model(root_node: Node3D, out_path: String) -> void:
	var gltf := GLTFDocument.new()
	var state := GLTFState.new()
	var err := gltf.append_from_scene(root_node, state)
	if err == OK:
		var dir := out_path.get_base_dir()
		DirAccess.make_dir_recursive_absolute(ProjectSettings.globalize_path(dir))
		var w_err := gltf.write_to_filesystem(state, out_path)
		print("Saved %s: error=%d" % [out_path, w_err])
	else:
		printerr("Failed append_from_scene for %s: %d" % [out_path, err])

func _generate() -> void:
	print("Generating prop models...")

	# 1. Crate Small
	var crate_root := Node3D.new()
	var crate_mesh := MeshInstance3D.new()
	var box := BoxMesh.new()
	box.size = Vector3(1.0, 1.0, 1.0)
	var mat_wood := StandardMaterial3D.new()
	mat_wood.albedo_color = Color(0.6, 0.4, 0.2)
	mat_wood.roughness = 0.8
	box.material = mat_wood
	crate_mesh.mesh = box
	crate_mesh.position.y = 0.5
	crate_root.add_child(crate_mesh)
	_save_model(crate_root, "res://assets/props/crate_small.glb")

	# 2. Rock
	var rock_root := Node3D.new()
	var rock_mesh := MeshInstance3D.new()
	var sphere := SphereMesh.new()
	sphere.radius = 0.6
	sphere.height = 0.9
	sphere.radial_segments = 8
	sphere.rings = 6
	var mat_rock := StandardMaterial3D.new()
	mat_rock.albedo_color = Color(0.45, 0.45, 0.48)
	mat_rock.roughness = 0.9
	sphere.material = mat_rock
	rock_mesh.mesh = sphere
	rock_mesh.position.y = 0.45
	rock_root.add_child(rock_mesh)
	_save_model(rock_root, "res://assets/props/rock_01.glb")

	# 3. Pine Tree
	var tree_root := Node3D.new()
	var trunk := MeshInstance3D.new()
	var trunk_mesh := CylinderMesh.new()
	trunk_mesh.top_radius = 0.15
	trunk_mesh.bottom_radius = 0.2
	trunk_mesh.height = 1.0
	var mat_trunk := StandardMaterial3D.new()
	mat_trunk.albedo_color = Color(0.38, 0.25, 0.12)
	mat_trunk.roughness = 0.9
	trunk_mesh.material = mat_trunk
	trunk.mesh = trunk_mesh
	trunk.position.y = 0.5
	tree_root.add_child(trunk)

	var foliage := MeshInstance3D.new()
	var cone_mesh := CylinderMesh.new()
	cone_mesh.top_radius = 0.0
	cone_mesh.bottom_radius = 0.9
	cone_mesh.height = 1.8
	var mat_leaf := StandardMaterial3D.new()
	mat_leaf.albedo_color = Color(0.15, 0.45, 0.2)
	mat_leaf.roughness = 0.7
	cone_mesh.material = mat_leaf
	foliage.mesh = cone_mesh
	foliage.position.y = 1.8
	tree_root.add_child(foliage)
	_save_model(tree_root, "res://assets/props/tree_pine_01.glb")

	# 4. Lamp Post
	var lamp_root := Node3D.new()
	var pole := MeshInstance3D.new()
	var pole_mesh := CylinderMesh.new()
	pole_mesh.top_radius = 0.05
	pole_mesh.bottom_radius = 0.08
	pole_mesh.height = 2.4
	var mat_metal := StandardMaterial3D.new()
	mat_metal.albedo_color = Color(0.2, 0.22, 0.25)
	mat_metal.metallic = 0.8
	mat_metal.roughness = 0.3
	pole_mesh.material = mat_metal
	pole.mesh = pole_mesh
	pole.position.y = 1.2
	lamp_root.add_child(pole)

	var light_mesh := MeshInstance3D.new()
	var light_box := BoxMesh.new()
	light_box.size = Vector3(0.3, 0.35, 0.3)
	var mat_glow := StandardMaterial3D.new()
	mat_glow.albedo_color = Color(1.0, 0.9, 0.4)
	mat_glow.emission_enabled = true
	mat_glow.emission = Color(1.0, 0.85, 0.3)
	mat_glow.emission_energy_multiplier = 2.0
	light_box.material = mat_glow
	light_mesh.mesh = light_box
	light_mesh.position.y = 2.4
	lamp_root.add_child(light_mesh)
	_save_model(lamp_root, "res://assets/props/lamp_post_01.glb")

	# 5. Treasure Chest
	var chest_root := Node3D.new()
	var chest_body := MeshInstance3D.new()
	var cbox := BoxMesh.new()
	cbox.size = Vector3(0.9, 0.6, 0.6)
	var mat_chest := StandardMaterial3D.new()
	mat_chest.albedo_color = Color(0.45, 0.26, 0.12)
	mat_chest.roughness = 0.6
	cbox.material = mat_chest
	chest_body.mesh = cbox
	chest_body.position.y = 0.3
	chest_root.add_child(chest_body)

	var latch := MeshInstance3D.new()
	var latch_box := BoxMesh.new()
	latch_box.size = Vector3(0.12, 0.15, 0.06)
	var mat_gold := StandardMaterial3D.new()
	mat_gold.albedo_color = Color(0.95, 0.8, 0.2)
	mat_gold.metallic = 0.9
	mat_gold.roughness = 0.2
	latch_box.material = mat_gold
	latch.mesh = latch_box
	latch.position = Vector3(0, 0.35, 0.31)
	chest_root.add_child(latch)
	_save_model(chest_root, "res://assets/props/chest.glb")

	# 6. Buffalo Chip Coin
	var coin_root := Node3D.new()
	var coin_mesh := MeshInstance3D.new()
	var cyl := CylinderMesh.new()
	cyl.top_radius = 0.35
	cyl.bottom_radius = 0.35
	cyl.height = 0.08
	cyl.material = mat_gold
	coin_mesh.mesh = cyl
	coin_mesh.rotation_degrees = Vector3(90, 0, 0)
	coin_mesh.position.y = 0.4
	coin_root.add_child(coin_mesh)
	_save_model(coin_root, "res://assets/props/buffalo_chip_coin.glb")

	print("All prop models generated!")
	quit(0)