feat: stream chunks in-game, render 3D catalog props, and ground chunk coordinates

scripts/chunk_scene.gd

@@ -54,20 +54,16 @@ var is_dirty: bool = false
 
 
 func _ready() -> void:
-	# Position this chunk scene at its world-space origin
+	# Position this chunk scene at its 3D world ground coordinates
-	global_position = bounds.position
+	global_position = Vector3(
-	# Set up collision shape for the chunk bounds
+		float(coord.x * Chunk.CHUNK_SIZE_X),
-	_setup_collision()
+		float(coord.z * Chunk.CHUNK_SIZE_Z),
+		float(coord.y * Chunk.CHUNK_SIZE_Y)
+	)
 
 
 func _setup_collision() -> void:
-	# Add a collision shape for the chunk's bounding box
+	pass
-	var collision := CollisionShape3D.new()
-	var shape := BoxShape3D.new()
-	shape.size = bounds.size
-	collision.shape = shape
-	collision.name = "ChunkBounds"
-	add_child(collision)
 
 
 ## Add a tile layer to this chunk scene.
@@ -91,9 +87,10 @@ func add_object(obj: WorldObject) -> void:
 func _add_static_object(obj: WorldObject) -> void:
 	var static_obj := StaticObjectNode.new()
 	static_obj.world_object = obj
-	static_obj.position = obj.position
+	# Map chunk coordinates (X_ground, Y_ground, Z_height) to Godot 3D (X, Y_height, Z_ground)
-	static_obj.quaternion = Quaternion(obj.rotation.x, obj.rotation.y, obj.rotation.z, obj.rotation.w)
+	static_obj.position = Vector3(obj.position.x, obj.position.z, obj.position.y)
-	static_obj.scale = obj.scale
+	static_obj.quaternion = Quaternion(obj.rotation.x, obj.rotation.z, obj.rotation.y, obj.rotation.w)
+	static_obj.scale = Vector3(obj.scale.x, obj.scale.z, obj.scale.y)
 	static_obj.name = "static_%s" % obj.id
 	add_child(static_obj)
 
@@ -101,9 +98,9 @@ func _add_static_object(obj: WorldObject) -> void:
 func _add_dynamic_object(obj: WorldObject) -> void:
 	var dynamic_obj := DynamicObjectNode.new()
 	dynamic_obj.world_object = obj
-	dynamic_obj.position = obj.position
+	dynamic_obj.position = Vector3(obj.position.x, obj.position.z, obj.position.y)
-	dynamic_obj.quaternion = Quaternion(obj.rotation.x, obj.rotation.y, obj.rotation.z, obj.rotation.w)
+	dynamic_obj.quaternion = Quaternion(obj.rotation.x, obj.rotation.z, obj.rotation.y, obj.rotation.w)
-	dynamic_obj.scale = obj.scale
+	dynamic_obj.scale = Vector3(obj.scale.x, obj.scale.z, obj.scale.y)
 	dynamic_obj.name = "dynamic_%s" % obj.id
 	add_child(dynamic_obj)
 

scripts/game.gd

@@ -37,12 +37,65 @@ var _status_label: Label = null
 var _build_editor: InGameEditor = null
 
 
+var _stream_manager: ChunkStreamManager = null
+
+
 func _ready() -> void:
 	_show_build_stamp()
 	if Session.editing:
 		_open_editor_for_world()
-	elif Session.active:
+	else:
+		if Session.active:
 			_setup_networked()
+		_setup_chunk_streaming()
+
+
+func _setup_chunk_streaming() -> void:
+	if Session.world_id == null or int(Session.world_id) <= 0:
+		return
+	if _stream_manager != null and is_instance_valid(_stream_manager):
+		return
+
+	_stream_manager = ChunkStreamManager.new()
+	_stream_manager.name = "ChunkStreamManager"
+	_stream_manager.player = _player
+	_stream_manager.streaming_radius = 2
+	add_child(_stream_manager)
+
+	var chunk_source := HttpChunkSource.new()
+	chunk_source.name = "HttpChunkSource"
+	chunk_source.world_id = str(Session.world_id)
+	chunk_source.room_slug = "main"
+	chunk_source.stream_manager = _stream_manager
+	_stream_manager.add_child(chunk_source)
+	_stream_manager.set_server_rpc(chunk_source)
+	_stream_manager.is_active = true
+
+	_stream_manager.chunk_loaded.connect(_on_chunk_loaded)
+	_stream_manager._load_chunk(Vector3i.ZERO)
+
+
+func _on_chunk_loaded(_coord: Vector3i, chunk_scene: Node) -> void:
+	if chunk_scene is ChunkScene:
+		var cs := chunk_scene as ChunkScene
+		if not cs.world_objects.is_empty() or not cs.tile_layers.is_empty():
+			_hide_default_test_props()
+
+
+func _hide_default_test_props() -> void:
+	var props := get_node_or_null("Level/Props")
+	if props != null and props is Node3D:
+		(props as Node3D).visible = false
+		for child in props.get_children():
+			if child is CollisionObject3D:
+				(child as CollisionObject3D).set_collision_layer_value(1, false)
+				(child as CollisionObject3D).set_collision_mask_value(1, false)
+	var chest := get_node_or_null("Level/ScriptedChest")
+	if chest != null and chest is Node3D:
+		(chest as Node3D).visible = false
+		if chest is CollisionObject3D:
+			(chest as CollisionObject3D).set_collision_layer_value(1, false)
+			(chest as CollisionObject3D).set_collision_mask_value(1, false)
 
 
 func _unhandled_input(event: InputEvent) -> void:
@@ -89,7 +142,29 @@ func _open_build_mode() -> void:
 	var room_slug := "main"
 	var coord := Vector3i.ZERO
 
-	var model := ChunkEditorModel.create_empty(32, 32, world_id_str, room_slug, coord)
+	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	_player.set_physics_process(false)
+	_player.set_process_unhandled_input(false)
+
+	var save_service: ChunkSaveService = null
+	var model: ChunkEditorModel = null
+	var base_revision := 0
+
+	if int(world_id_str) > 0:
+		save_service = ChunkSaveService.new()
+		save_service.world_id = world_id_str
+		save_service.room_slug = room_slug
+		add_child(save_service)
+
+		var fetch_result: Dictionary = await save_service.fetch_chunk(coord)
+		if fetch_result.get("ok", false) and fetch_result.get("model") != null:
+			model = fetch_result["model"]
+			base_revision = int(fetch_result.get("revision", 0))
+
+	if model == null:
+		model = ChunkEditorModel.create_empty(32, 32, world_id_str, room_slug, coord)
+		base_revision = 0
+
 	var catalog := EditorObjectCatalog.new()
 	var err := catalog.load_catalog()
 	if err != OK:
@@ -97,20 +172,12 @@ func _open_build_mode() -> void:
 	var core := EditorCore.new(model, catalog)
 
 	_build_editor = InGameEditor.new(core)
-	if int(world_id_str) > 0:
+	if save_service != null:
-		var save_service := ChunkSaveService.new()
+		_build_editor.setup_persistence(save_service, world_id_str, room_slug, coord, base_revision)
-		save_service.world_id = world_id_str
-		save_service.room_slug = room_slug
-		add_child(save_service)
-		_build_editor.setup_persistence(save_service, world_id_str, room_slug, coord, 0)
 
 	_build_editor.closed.connect(_close_build_mode)
 	add_child(_build_editor)
 
-	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
-	_player.set_physics_process(false)
-	_player.set_process_unhandled_input(false)
-
 
 ## Shared teardown for both close paths (F2 again, or the editor's own
 ## Close button/`closed` signal) -- safe to call twice: `queue_free()` on an
@@ -127,6 +194,14 @@ func _close_build_mode() -> void:
 	_player.set_process_unhandled_input(true)
 	_player._refresh_mouse_mode()
 
+	if _stream_manager == null:
+		_setup_chunk_streaming()
+	elif is_instance_valid(_stream_manager):
+		var source := _stream_manager.get_node_or_null("HttpChunkSource") as HttpChunkSource
+		if source != null and Session.world_id != null and int(Session.world_id) > 0:
+			source.world_id = str(Session.world_id)
+		_stream_manager.force_reload_chunk(Vector3i.ZERO)
+
 
 ## "Edit world" entry point from the world browser
 ## (world_persistence_impl.md §6 D4 / §9 "Client/editor task"). Reached only
@@ -198,6 +273,10 @@ func _leave_world() -> void:
 
 ## Close the ENet connection and stop it from calling us back mid-teardown.
 func _teardown_net() -> void:
+	if _stream_manager != null and is_instance_valid(_stream_manager):
+		_stream_manager.clear_all_chunks()
+		_stream_manager.queue_free()
+		_stream_manager = null
 	if _net == null or not is_instance_valid(_net):
 		return
 	if _net.server_disconnected.is_connected(_on_server_lost):

scripts/server.gd

@@ -263,9 +263,9 @@ func _build_chunk_collision(parent: Node3D, coord: Vector3i, data: ChunkDataDeco
 	var body := StaticBody3D.new()
 	body.name = "chunk_%d_%d_%d" % [coord.x, coord.y, coord.z]
 	var chunk_origin := Vector3(
-		coord.x * Chunk.CHUNK_SIZE_X,
+		float(coord.x * Chunk.CHUNK_SIZE_X),
-		coord.y * Chunk.CHUNK_SIZE_Y,
+		float(coord.z * Chunk.CHUNK_SIZE_Z),
-		coord.z * Chunk.CHUNK_SIZE_Z
+		float(coord.y * Chunk.CHUNK_SIZE_Y)
 	)
 
 	for layer in data.tile_layers:
@@ -282,20 +282,39 @@ func _build_chunk_collision(parent: Node3D, coord: Vector3i, data: ChunkDataDeco
 					var box := BoxShape3D.new()
 					box.size = Vector3.ONE
 					shape.shape = box
-					shape.position = chunk_origin + Vector3(x + 0.5, y + 0.5, z + 0.5)
+					shape.position = chunk_origin + Vector3(x + 0.5, z + 0.5, y + 0.5)
 					body.add_child(shape)
 					_collision_shapes_built += 1
 
 	for obj in data.objects:
 		if obj.dynamic:
 			continue  # dynamic templates are spawnable entities, not static geometry
-		if bool(obj.properties.get("walkable", true)):
+		if obj.type == "spawn_point" or bool(obj.properties.get("walkable", false)):
 			continue
 		var shape := CollisionShape3D.new()
 		var box := BoxShape3D.new()
-		box.size = obj.scale
+		var aid := str(obj.asset_id).to_lower()
+		var cat_id := str(obj.properties.get("catalog_id", "")).to_lower()
+		if "lamp" in aid or "lamp" in cat_id:
+			box.size = Vector3(0.5, 3.2, 0.5)
 			shape.shape = box
-		shape.position = obj.position
+			shape.position = chunk_origin + Vector3(obj.position.x, obj.position.z + 1.6, obj.position.y)
+		elif "tree" in aid or "tree" in cat_id:
+			box.size = Vector3(0.8, 4.0, 0.8)
+			shape.shape = box
+			shape.position = chunk_origin + Vector3(obj.position.x, obj.position.z + 2.0, obj.position.y)
+		elif "chest" in aid or "chest" in cat_id:
+			box.size = Vector3(1.0, 0.8, 0.6)
+			shape.shape = box
+			shape.position = chunk_origin + Vector3(obj.position.x, obj.position.z + 0.4, obj.position.y)
+		elif "rock" in aid or "rock" in cat_id:
+			box.size = Vector3(1.2, 1.0, 1.2)
+			shape.shape = box
+			shape.position = chunk_origin + Vector3(obj.position.x, obj.position.z + 0.5, obj.position.y)
+		else:
+			box.size = Vector3(obj.scale.x, obj.scale.z, obj.scale.y)
+			shape.shape = box
+			shape.position = chunk_origin + Vector3(obj.position.x, obj.position.z + obj.scale.y * 0.5, obj.position.y)
 		body.add_child(shape)
 		_collision_shapes_built += 1
 

scripts/static_object_node.gd

@@ -29,16 +29,282 @@ func _ready() -> void:
 
 ## Load and attach the object's mesh.
 func _load_mesh() -> void:
-	_mesh_instance = MeshInstance3D.new()
+	# 1. Try to load the asset directly if it exists on disk
-	_mesh_instance.name = "mesh"
+	var asset_node := _try_load_asset(world_object.asset_id)
+	if asset_node != null:
+		add_child(asset_node)
+		if asset_node is MeshInstance3D:
+			_mesh_instance = asset_node as MeshInstance3D
+		return
 
-	# Try to load the asset by its id (path). Fall back to a placeholder.
+	# 2. Build a stylized, recognizable 3D representation based on catalog ID / asset ID
-	var mesh := _load_asset_mesh(world_object.asset_id)
+	var cat_id := _get_catalog_id()
-	if mesh == null:
+	_build_procedural_object(cat_id)
-		mesh = _make_placeholder_mesh()
 
-	_mesh_instance.mesh = mesh
+
-	add_child(_mesh_instance)
+func _get_catalog_id() -> String:
+	if world_object == null:
+		return ""
+	if world_object.properties is Dictionary and world_object.properties.has("catalog_id"):
+		return str(world_object.properties["catalog_id"]).to_lower()
+	return world_object.asset_id.get_file().get_basename().to_lower()
+
+
+func _try_load_asset(asset_id: String) -> Node:
+	if asset_id.is_empty():
+		return null
+	var path := "res://assets/%s" % asset_id
+	if ResourceLoader.exists(path):
+		var res := load(path)
+		if res is PackedScene:
+			return (res as PackedScene).instantiate()
+		elif res is Mesh:
+			var mi := MeshInstance3D.new()
+			mi.name = "mesh"
+			mi.mesh = res as Mesh
+			return mi
+	return null
+
+
+func _build_procedural_object(cat_id: String) -> void:
+	var container := Node3D.new()
+	container.name = "visuals"
+	add_child(container)
+
+	if "lamp" in cat_id:
+		# Lamp post: dark iron vertical pole + glowing lantern + omni light
+		var pole := MeshInstance3D.new()
+		pole.name = "pole"
+		var pole_mesh := CylinderMesh.new()
+		pole_mesh.height = 3.2
+		pole_mesh.top_radius = 0.07
+		pole_mesh.bottom_radius = 0.1
+		var iron_mat := StandardMaterial3D.new()
+		iron_mat.albedo_color = Color(0.2, 0.22, 0.25)
+		iron_mat.metallic = 0.85
+		iron_mat.roughness = 0.35
+		pole_mesh.material = iron_mat
+		pole.mesh = pole_mesh
+		pole.position = Vector3(0, 1.6, 0)
+		container.add_child(pole)
+		_mesh_instance = pole
+
+		var cap := MeshInstance3D.new()
+		cap.name = "cap"
+		var cap_mesh := CylinderMesh.new()
+		cap_mesh.height = 0.15
+		cap_mesh.top_radius = 0.05
+		cap_mesh.bottom_radius = 0.3
+		cap_mesh.material = iron_mat
+		cap.mesh = cap_mesh
+		cap.position = Vector3(0, 3.2, 0)
+		container.add_child(cap)
+
+		var lantern := MeshInstance3D.new()
+		lantern.name = "lantern"
+		var lantern_mesh := BoxMesh.new()
+		lantern_mesh.size = Vector3(0.32, 0.45, 0.32)
+		var glow_mat := StandardMaterial3D.new()
+		glow_mat.albedo_color = Color(1.0, 0.95, 0.7)
+		glow_mat.emission_enabled = true
+		glow_mat.emission = Color(1.0, 0.9, 0.4)
+		glow_mat.emission_energy_multiplier = 4.0
+		lantern_mesh.material = glow_mat
+		lantern.mesh = lantern_mesh
+		lantern.position = Vector3(0, 2.9, 0)
+		container.add_child(lantern)
+
+		var light := OmniLight3D.new()
+		light.name = "light"
+		light.light_color = Color(1.0, 0.93, 0.72)
+		light.light_energy = 1.6
+		light.omni_range = 10.0
+		light.position = Vector3(0, 2.9, 0)
+		container.add_child(light)
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var cyl := CylinderShape3D.new()
+		cyl.height = 3.2
+		cyl.radius = 0.2
+		col_shape.shape = cyl
+		col_shape.position = Vector3(0, 1.6, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+	elif "crate" in cat_id:
+		var crate := MeshInstance3D.new()
+		crate.name = "crate"
+		var crate_mesh := BoxMesh.new()
+		crate_mesh.size = Vector3(1.0, 1.0, 1.0)
+		var wood_mat := StandardMaterial3D.new()
+		wood_mat.albedo_color = Color(0.55, 0.36, 0.18)
+		wood_mat.roughness = 0.8
+		crate_mesh.material = wood_mat
+		crate.mesh = crate_mesh
+		crate.position = Vector3(0, 0.5, 0)
+		container.add_child(crate)
+		_mesh_instance = crate
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var box := BoxShape3D.new()
+		box.size = Vector3(1.0, 1.0, 1.0)
+		col_shape.shape = box
+		col_shape.position = Vector3(0, 0.5, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+	elif "rock" in cat_id:
+		var rock := MeshInstance3D.new()
+		rock.name = "rock"
+		var rock_mesh := SphereMesh.new()
+		rock_mesh.radius = 0.65
+		rock_mesh.height = 1.0
+		rock_mesh.radial_segments = 8
+		rock_mesh.rings = 6
+		var stone_mat := StandardMaterial3D.new()
+		stone_mat.albedo_color = Color(0.42, 0.44, 0.46)
+		stone_mat.roughness = 0.9
+		rock_mesh.material = stone_mat
+		rock.mesh = rock_mesh
+		rock.position = Vector3(0, 0.5, 0)
+		container.add_child(rock)
+		_mesh_instance = rock
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var sphere := SphereShape3D.new()
+		sphere.radius = 0.65
+		col_shape.shape = sphere
+		col_shape.position = Vector3(0, 0.5, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+	elif "tree" in cat_id:
+		var trunk := MeshInstance3D.new()
+		trunk.name = "trunk"
+		var trunk_mesh := CylinderMesh.new()
+		trunk_mesh.height = 1.4
+		trunk_mesh.top_radius = 0.2
+		trunk_mesh.bottom_radius = 0.25
+		var bark_mat := StandardMaterial3D.new()
+		bark_mat.albedo_color = Color(0.35, 0.22, 0.12)
+		trunk_mesh.material = bark_mat
+		trunk.mesh = trunk_mesh
+		trunk.position = Vector3(0, 0.7, 0)
+		container.add_child(trunk)
+
+		var leaves1 := MeshInstance3D.new()
+		leaves1.name = "leaves1"
+		var leaves1_mesh := CylinderMesh.new()
+		leaves1_mesh.height = 2.0
+		leaves1_mesh.top_radius = 0.1
+		leaves1_mesh.bottom_radius = 1.4
+		var leaves_mat := StandardMaterial3D.new()
+		leaves_mat.albedo_color = Color(0.12, 0.38, 0.15)
+		leaves1_mesh.material = leaves_mat
+		leaves1.mesh = leaves1_mesh
+		leaves1.position = Vector3(0, 2.0, 0)
+		container.add_child(leaves1)
+		_mesh_instance = leaves1
+
+		var leaves2 := MeshInstance3D.new()
+		leaves2.name = "leaves2"
+		var leaves2_mesh := CylinderMesh.new()
+		leaves2_mesh.height = 1.6
+		leaves2_mesh.top_radius = 0.0
+		leaves2_mesh.bottom_radius = 0.9
+		leaves2_mesh.material = leaves_mat
+		leaves2.mesh = leaves2_mesh
+		leaves2.position = Vector3(0, 3.2, 0)
+		container.add_child(leaves2)
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var cyl := CylinderShape3D.new()
+		cyl.height = 4.0
+		cyl.radius = 0.35
+		col_shape.shape = cyl
+		col_shape.position = Vector3(0, 2.0, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+	elif "chest" in cat_id:
+		var chest := MeshInstance3D.new()
+		chest.name = "chest"
+		var chest_mesh := BoxMesh.new()
+		chest_mesh.size = Vector3(1.0, 0.8, 0.6)
+		var chest_mat := StandardMaterial3D.new()
+		chest_mat.albedo_color = Color(0.48, 0.26, 0.12)
+		chest_mesh.material = chest_mat
+		chest.mesh = chest_mesh
+		chest.position = Vector3(0, 0.4, 0)
+		container.add_child(chest)
+		_mesh_instance = chest
+
+		var trim := MeshInstance3D.new()
+		trim.name = "trim"
+		var trim_mesh := BoxMesh.new()
+		trim_mesh.size = Vector3(0.2, 0.25, 0.64)
+		var gold_mat := StandardMaterial3D.new()
+		gold_mat.albedo_color = Color(0.9, 0.75, 0.2)
+		trim_mesh.material = gold_mat
+		trim.mesh = trim_mesh
+		trim.position = Vector3(0, 0.4, 0)
+		container.add_child(trim)
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var box := BoxShape3D.new()
+		box.size = Vector3(1.0, 0.8, 0.6)
+		col_shape.shape = box
+		col_shape.position = Vector3(0, 0.4, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+	elif "spawn" in cat_id or (world_object != null and world_object.type == "spawn_point"):
+		var pad := MeshInstance3D.new()
+		pad.name = "pad"
+		var pad_mesh := CylinderMesh.new()
+		pad_mesh.height = 0.08
+		pad_mesh.top_radius = 1.2
+		pad_mesh.bottom_radius = 1.2
+		var spawn_mat := StandardMaterial3D.new()
+		spawn_mat.albedo_color = Color(0.2, 0.75, 0.95)
+		spawn_mat.emission_enabled = true
+		spawn_mat.emission = Color(0.1, 0.6, 0.85)
+		spawn_mat.emission_energy_multiplier = 2.0
+		pad_mesh.material = spawn_mat
+		pad.mesh = pad_mesh
+		pad.position = Vector3(0, 0.04, 0)
+		container.add_child(pad)
+		_mesh_instance = pad
+
+	else:
+		var mi := MeshInstance3D.new()
+		mi.name = "mesh"
+		mi.mesh = _make_placeholder_mesh()
+		mi.position = Vector3(0, 0.5, 0)
+		container.add_child(mi)
+		_mesh_instance = mi
+
+		var col := _create_static_collision()
+		var col_shape := CollisionShape3D.new()
+		var box := BoxShape3D.new()
+		box.size = Vector3(1.0, 1.0, 1.0)
+		col_shape.shape = box
+		col_shape.position = Vector3(0, 0.5, 0)
+		col.add_child(col_shape)
+		container.add_child(col)
+
+
+func _create_static_collision() -> StaticBody3D:
+	var sb := StaticBody3D.new()
+	sb.name = "collision"
+	sb.set_collision_layer_value(1, true)
+	sb.set_collision_mask_value(1, true)
+	return sb
 
 
 ## Attempt to load a mesh from the asset path.
@@ -49,7 +315,7 @@ func _load_asset_mesh(asset_id: String) -> Mesh:
 	if ResourceLoader.exists(path):
 		var res := load(path)
 		if res is Mesh:
-			return res
+			return res as Mesh
 	return null
 
 

scripts/tile_layer_node.gd

@@ -74,17 +74,12 @@ func _create_mesh_for_tile(tile_def: TileDef) -> void:
 	_mesh_instances[tile_def.id] = mesh_instance
 
 
-## Convert a tile grid coordinate to a world-space position (center of tile).
+## Convert a tile grid coordinate to a chunk-local 3D position (center of tile).
 func _tile_to_world(x: int, y: int, z: int) -> Vector3:
-	var origin := Vector3(
+	return Vector3(
-		chunk_coord.x * tile_layer.width,
-		chunk_coord.y * tile_layer.height,
-		chunk_coord.z * tile_layer.depth
-	)
-	return origin + Vector3(
 		x * TILE_SIZE + TILE_SIZE * 0.5,
-		y * TILE_SIZE + TILE_SIZE * 0.5,
+		z * TILE_SIZE + TILE_SIZE * 0.5,
-		z * TILE_SIZE + TILE_SIZE * 0.5
+		y * TILE_SIZE + TILE_SIZE * 0.5
 	)