Added steering test

autoload/streaming.gd

@@ -11,104 +11,145 @@ onready var obj_names = {
 
 var done = false
 
-class radial_grid:
-	var radial_points = []
-	var max_r = 0.0
-	var grid = []
-	var width: int = 0
-	var height: int = 0
-	var nodes = []
-	func build(poly, center):
-		var height = center.y
-		max_r = 0.0
-		for p in range(poly.size()):
-			var ep1 = poly[p]
-			ep1.y = height
-			var ep2 = poly[(p + 1) % poly.size()]
-			ep2.y = height
-			var d = (ep2 - ep1).normalized()
-			radial_points.push_back(ep1)
-			var dst =  ep1.distance_to(ep2)
-			while dst > 32:
-				ep1 += d * 32
-				radial_points.push_back(ep1)
-				dst -= 32
-		for p in range(radial_points.size()):
-			var ep = radial_points[p]
-			var dst = ep.distance_to(center)
-			if max_r < dst:
-				max_r = dst
-		width = radial_points.size()
-		height = int(max_r / 32)
-		grid.resize(width * height)
-		for p in range(width):
-			var start = radial_points[p]
-			var end = center
-			var step = (end - start).normalized() * (end - start).length() / float(height + 1)
-			var val = start
-			for q in range(height):
-				grid[p * height + q] = {"position": val, "node": null}
-	func get_grid_node(x, y):
-		return grid[x * height + y].node
-	func set_grid_node(x, y, node):
-		if !node in nodes:
-			nodes.push_back(node)
-		grid[x * height + y].node = node
-	func place_grid(aabb: AABB, node) -> void:
-		for u in range(width):
-			for v in range(height):
-				if aabb.has_point(grid[u * height + v].position):
-					set_grid_node(u, v, node)
-	func get_pos(x, y):
-		return grid[x * height + y].position
+var side_wall: PackedScene = preload("res://objects/wall-side.scn")
+var bottom_side: PackedScene = preload("res://objects/bottom-side.scn")
+var bottom: PackedScene = preload("res://objects/bottom.scn")
+var bottom_wheels: PackedScene = preload("res://objects/bottom-wheels.scn")
+var entry: PackedScene = preload("res://objects/entry.scn")
+var roof_floor: PackedScene = preload("res://objects/roof-floor.scn")
+var roof_floor_range: PackedScene = preload("res://objects/roof-floor-range.scn")
+var wall_internal:  PackedScene = preload("res://objects/wall-internal.scn")
+var window_narrow: PackedScene = preload("res://objects/window-narrow.scn")
+var window_wide: PackedScene = preload("res://objects/window-wide.scn")
+var wall_solid: PackedScene = preload("res://objects/wall-solid.scn")
 
-onready var grid = radial_grid.new()
+var courtyard_tile: PackedScene = preload("res://objects/courtyard-tile.scn")
+var foundation_tile: PackedScene = preload("res://objects/foundation.scn")
+var room_tile: PackedScene = preload("res://objects/block-room-corridoor.scn")
+var tower_walls_tile: PackedScene = preload("res://objects/tower-walls.scn")
+var tower_floor_tile: PackedScene = preload("res://objects/tower_floor.scn")
+var stairs_tile: PackedScene = preload("res://objects/stairs.scn")
+var gate_bottom_tile: PackedScene = preload("res://objects/gate_bottom.scn")
+var gate_top_tile: PackedScene = preload("res://objects/gate-top.scn")
+var entry_tile: PackedScene = preload("res://objects/block-room-entry.scn")
+var roof_tile: PackedScene = preload("res://objects/roof.scn")
+var tower_roof_tile: PackedScene = preload("res://objects/tower-roof.scn")
 
-func debug_poly(poly):
-	for k in range(poly.size()):
-		var p1 = poly[k]
-		var p2 = poly[(k + 1) % poly.size()]
-		var l = p1.distance_to(p2)
-		var d = (p2 - p1).normalized()
-		var pt = p1
-		while l > 0.0:
-			for e in range(0, 30, 2):
-				var mi = MeshInstance.new()
-				mi.mesh = CubeMesh.new()
-				get_tree().root.add_child(mi)
-				mi.global_transform.origin = pt + Vector3(0, e, 0)
-			pt += d * 5.0
-			l -= 5.0
+onready var palace_map_data = {
+	"courtyard_tile": courtyard_tile,
+	"foundation_tile": foundation_tile,
+	"room_tile": room_tile,
+	"tower_walls_tile": tower_walls_tile,
+	"tower_floor_tile": tower_floor_tile,
+	"stairs_tile": stairs_tile,
+	"gate_bottom_tile": gate_bottom_tile,
+	"gate_top_tile": gate_top_tile,
+	"entry_tile": entry_tile,
+	"roof_tile": roof_tile,
+	"tower_roof_tile": tower_roof_tile
+}
 
-func calc_border(poly, offt):
-	var height = RoadsData.get_site_avg_height(0)
-	var border = []
-	border.resize(poly.size())
-	for k in range(poly.size()):
-		var i = k - 1
-		if i < 0:
-			i += poly.size()
-		var p1 = poly[i]
-		var p2 = poly[k]
-		var p3 = poly[(k + 1) % poly.size()]
-		var p1x = Vector2(p1.x, p1.z)
-		var p2x = Vector2(p2.x, p2.z)
-		var p3x = Vector2(p2.x, p2.z)
-		var p4x = Vector2(p3.x, p3.z)
-		var n1 = (p2x - p1x).tangent().normalized()
-		var n2 = (p4x - p3x).tangent().normalized()
-		p1x -= n1 * offt
-		p2x -= n1 * offt
-		p3x -= n2 * offt
-		p4x -= n2 * offt
 
-		var xp = Geometry.segment_intersects_segment_2d(p1x, p2x, p3x, p4x)
-		if !xp:
-			xp = p2x.linear_interpolate(p3x, 0.5) - (n1 + n2).normalized() * offt
-		var tp = Vector3(xp.x, height, xp.y)
-		border[k] = tp
-	return border
+#class radial_grid:
+#	var radial_points = []
+#	var max_r = 0.0
+#	var grid = []
+#	var width: int = 0
+#	var height: int = 0
+#	var nodes = []
+#	func build(poly, center):
+#		var height = center.y
+#		max_r = 0.0
+#		for p in range(poly.size()):
+#			var ep1 = poly[p]
+#			ep1.y = height
+#			var ep2 = poly[(p + 1) % poly.size()]
+#			ep2.y = height
+#			var d = (ep2 - ep1).normalized()
+#			radial_points.push_back(ep1)
+#			var dst =  ep1.distance_to(ep2)
+#			while dst > 32:
+#				ep1 += d * 32
+#				radial_points.push_back(ep1)
+#				dst -= 32
+#		for p in range(radial_points.size()):
+#			var ep = radial_points[p]
+#			var dst = ep.distance_to(center)
+#			if max_r < dst:
+#				max_r = dst
+#		width = radial_points.size()
+#		height = int(max_r / 32)
+#		grid.resize(width * height)
+#		for p in range(width):
+#			var start = radial_points[p]
+#			var end = center
+#			var step = (end - start).normalized() * (end - start).length() / float(height + 1)
+#			var val = start
+#			for q in range(height):
+#				grid[p * height + q] = {"position": val, "node": null}
+#	func get_grid_node(x, y):
+#		return grid[x * height + y].node
+#	func set_grid_node(x, y, node):
+#		if !node in nodes:
+#			nodes.push_back(node)
+#		grid[x * height + y].node = node
+#	func place_grid(aabb: AABB, node) -> void:
+#		for u in range(width):
+#			for v in range(height):
+#				if aabb.has_point(grid[u * height + v].position):
+#					set_grid_node(u, v, node)
+#	func get_pos(x, y):
+#		return grid[x * height + y].position
 
+# onready var grid = radial_grid.new()
+
+#func debug_poly(poly):
+#	for k in range(poly.size()):
+#		var p1 = poly[k]
+#		var p2 = poly[(k + 1) % poly.size()]
+#		var l = p1.distance_to(p2)
+#		var d = (p2 - p1).normalized()
+#		var pt = p1
+#		while l > 0.0:
+#			for e in range(0, 30, 2):
+#				var mi = MeshInstance.new()
+#				mi.mesh = CubeMesh.new()
+#				get_tree().root.add_child(mi)
+#				mi.global_transform.origin = pt + Vector3(0, e, 0)
+#			pt += d * 5.0
+#			l -= 5.0
+#
+#func calc_border(poly, offt):
+#	var height = RoadsData.get_site_avg_height(0)
+#	var border = []
+#	border.resize(poly.size())
+#	for k in range(poly.size()):
+#		var i = k - 1
+#		if i < 0:
+#			i += poly.size()
+#		var p1 = poly[i]
+#		var p2 = poly[k]
+#		var p3 = poly[(k + 1) % poly.size()]
+#		var p1x = Vector2(p1.x, p1.z)
+#		var p2x = Vector2(p2.x, p2.z)
+#		var p3x = Vector2(p2.x, p2.z)
+#		var p4x = Vector2(p3.x, p3.z)
+#		var n1 = (p2x - p1x).tangent().normalized()
+#		var n2 = (p4x - p3x).tangent().normalized()
+#		p1x -= n1 * offt
+#		p2x -= n1 * offt
+#		p3x -= n2 * offt
+#		p4x -= n2 * offt
+#
+#		var xp = Geometry.segment_intersects_segment_2d(p1x, p2x, p3x, p4x)
+#		if !xp:
+#			xp = p2x.linear_interpolate(p3x, 0.5) - (n1 + n2).normalized() * offt
+#		var tp = Vector3(xp.x, height, xp.y)
+#		border[k] = tp
+#	return border
+#
+var traffic_rnd: RandomNumberGenerator
+var traffic_astar: AStar
 var towns = 0
 func setup_town(site):
 	if !RoadsData.site_is_town(site):
@@ -116,7 +157,7 @@ func setup_town(site):
 		return
 	var poly = RoadsData.get_site_polygon_3d(site)
 	var height = RoadsData.get_site_avg_height(site)
-	var border2 = calc_border(poly, 60)
+	var border2 = RoadsData.get_site_border(site, 60)
 	var aabbs = []
 	var poly2 = []
 	poly2.resize(border2.size())
@@ -127,8 +168,8 @@ func setup_town(site):
 		center += p
 	center /= poly.size()
 	center.y = height
-	grid.build(border2, center)
-	var radial_points = grid.radial_points
+#	grid.build(border2, center)
+	var radial_points = RoadsData.get_site_radial_points(site, 32.0, 64.0)
 	var max_r = 0.0
 	for p in range(radial_points.size()):
 		var ep = radial_points[p]
@@ -156,7 +197,7 @@ func setup_town(site):
 				var xform = Transform(Basis(), pstart).looking_at(pstart + d, Vector3.UP)
 				stream_obj("trailer_house", xform)
 				var aabb = AABB(pstart, Vector3())
-				aabb = aabb.grow(20)
+				aabb = aabb.grow(32)
 				aabbs.push_back(aabb)
 				print("placed to: ", pstart)
 			pstart = pstart + d * step
@@ -167,9 +208,9 @@ func setup_first_town():
 	assert(!done)
 	var poly = RoadsData.get_site_polygon_3d(0)
 	var height = RoadsData.get_site_avg_height(0)
-	var border = calc_border(poly, 32)
-	var border1a = calc_border(poly, 42)
-	var border2 = calc_border(poly, 60)
+	var border = RoadsData.get_site_border(0, 32)
+	var border1a = RoadsData.get_site_border(0, 42)
+	var border2 = RoadsData.get_site_border(0, 60)
 
 	var poly2 = []
 	poly2.resize(border2.size())
@@ -180,8 +221,8 @@ func setup_first_town():
 		center += p
 	center /= poly.size()
 	center.y = height
-	grid.build(border2, center)
-	var radial_points = grid.radial_points
+#	grid.build(border2, center)
+	var radial_points = RoadsData.get_site_radial_points(0, 32.0, 64.0)
 	var max_r = 0.0
 	for p in range(radial_points.size()):
 		var ep = radial_points[p]
@@ -227,7 +268,7 @@ func setup_first_town():
 				var xform = Transform(Basis(), pstart).looking_at(pstart + d, Vector3.UP)
 				stream_obj("trailer_house", xform)
 				var aabb = AABB(pstart, Vector3())
-				aabb = aabb.grow(20)
+				aabb = aabb.grow(32)
 				aabbs.push_back(aabb)
 				print("placed to: ", pstart)
 			pstart = pstart + d * step
@@ -235,9 +276,64 @@ func setup_first_town():
 	towns += 1
 	done = true
 
+func setup_traffic(site):
+	var poly = RoadsData.get_site_polygon_3d(site)
+	var lp = get_tree().root
+	for p in range(poly.size()):
+		var p1 = poly[p]
+		var p2 = poly[(p + 1) % poly.size()]
+		var n = (p2 - p1).cross(Vector3.UP).normalized()
+		var t = (p2 - p1).normalized()
+		var l = p1.distance_to(p2)
+		var xpos = p1 + t * 8.0
+		var xe = 128.0
+		if l < xe + 16.0:
+			xpos = p1.linear_interpolate(p2, 0.5)
+			var x = xpos + n * 1.5 + Vector3.UP * 0.5
+			var xform = Transform(Basis(), x).looking_at(x + t * 3.0, Vector3.UP)
+			var c = Spatial.new()
+			lp.add_child(c)
+			c.transform = xform
+			c.add_to_group("spawn")
+			c.add_to_group("keep")
+			c.add_to_group("traffic_spawn")
+		else:
+			while l > xe + 16.0:
+				var x = xpos + n * 4.0 + Vector3.UP * 0.5
+				var xform = Transform(Basis(), x).looking_at(x + t * 3.0, Vector3.UP)
+				var c = Spatial.new()
+				lp.add_child(c)
+				c.transform = xform
+				c.add_to_group("spawn")
+				c.add_to_group("keep")
+				c.add_to_group("traffic_spawn")
+				xpos += t * xe
+				l -= xe
+
 func _ready():
+	traffic_rnd = RandomNumberGenerator.new()
+	traffic_rnd.randomize()
+	traffic_astar = AStar.new()
 	for k in obj_names.keys():
 		Spawner.add_scene(k, obj_names[k])
+	for k in palace_map_data.keys():
+		Spawner.add_scene(k, palace_map_data[k])
+	var parts = {
+		"side_wall": side_wall,
+		"bottom_side": bottom_side,
+		"bottom": bottom,
+		"bottom_wheels": bottom_wheels,
+		"entry": entry,
+		"roof_floor": roof_floor,
+		"roof_floor_range": roof_floor_range,
+		"wall_internal": wall_internal,
+		"window_narrow": window_narrow,
+		"window_wide": window_wide,
+		"wall_solid": wall_solid
+	}
+	for k in parts.keys():
+		Spawner.add_scene(k, parts[k])
+	Traffic.add_traffic_vehicle(car)
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 var delay = 3.0
@@ -249,7 +345,7 @@ func _process(delta):
 			if delay < 0:
 				state = 1
 		1:
-			Spawner.update_view(self, 300)
+			Spawner.update_view(self, 200)
 			var sc = get_tree().root
 			var viewport: = get_viewport()
 			if !viewport:
@@ -258,15 +354,143 @@ func _process(delta):
 			if !cam:
 				return
 			var cam_xform: = cam.global_transform
+			# building parts
+			call_deferred("real_spawn_child")
 
 func stream_obj(obj: String, xform: Transform):
 	Spawner.place_scene(obj, xform)
+func switch_to_distant_vehicle(n):
+	var sp = PhysicsServer.body_get_space(n.get_rid())
+	var l = n.get_linear_velocity()
+	n.set_meta("velocity", l)
+	n.set_meta("space", sp)
+	PhysicsServer.body_set_space(n.get_rid(), RID())
+func switch_to_close_vehicle(n):
+	var sp = n.get_meta("space")
+	PhysicsServer.body_set_space(n.get_rid(), sp)
+	n.remove_meta("space")
+	if n.has_meta("velocity"):
+		n.set_linear_velocity(n.get_meta("velocity"))
+		n.remove_meta("velocity")
 func _physics_process(delta):
 	var cam = get_viewport().get_camera()
 	if !cam:
 		return
 	match state:
 		1:
+			# convert to distant traffic here
+			for n in get_tree().get_nodes_in_group("traffic_vehicle"):
+				var p1 = cam.global_transform.origin
+				var p2 = n.global_transform.origin
+				var check_coords = cam.global_transform.xform_inv(p2)
+				var steer = 0.0
+				var x_target = Vector3()
+				var next_target = Vector3()
+				var orientation = n.global_transform
+				orientation.origin = Vector3()
+				var direction = orientation.xform(Vector3(0, 0, -1))
+				var good_path = false
+				var engine_force = n.engine_force
+				if !n.has_meta("curve"):
+					create_path(n, p2, direction * 10.0)
+				if n.has_meta("curve"):
+					var curve = n.get_meta("curve")
+					if curve.get_point_count() > 0:
+						var plength = n.get_meta("curve_length")
+						var offt = curve.get_closest_offset(p2)
+						var offt_ext = 8.0
+						if n.has_meta("velocity"):
+							offt_ext = n.get_meta("velocity").length()
+						offt = clamp(offt + offt_ext, 0, plength)
+						var p0 = curve.interpolate_baked(offt, false)
+						next_target = p0
+						if false: # p0.distance_squared_to(p2) > 16.0:
+							n.remove_meta("curve")
+							steer = 0.0
+							x_target = Vector3()
+							next_target = p2 + direction * 4.0
+						else:
+							var xt0 = n.global_transform.xform_inv(p0)
+							x_target = xt0
+							if xt0.z < 0.0:
+								steer = xt0.x
+								if steer == 0.0:
+									steer = -1
+							else:
+								steer = x_target.x
+							steer = sign(steer)
+#							if abs(steer) < 0.005:
+#								steer = 0.0
+							n.set_meta("x_target", x_target)
+							print("position: ", p2, " direction: ", direction, " next_target: ", next_target, " x_target: ", x_target, " steer: ", steer, " ! ", (next_target - p2).normalized())
+					else:
+						assert(false)
+#				if check_coords.z > 160 || check_coords.z < -120 || abs(check_coords.x) > 100:
+#					n.queue_free()
+				if false: # check_coords.z > 40.0 || check_coords.z < -25.0 || abs(check_coords.x) > 20.0:
+					if !n.has_meta("space"):
+						switch_to_distant_vehicle(n)
+						var xvel = (next_target - p2).normalized() * 6.0
+						n.set_meta("velocity", xvel)
+					var pos = n.global_transform.origin
+					var vel = (next_target - p2).normalized() * 6.0
+					if n.has_meta("velocity"):
+						vel = n.get_meta("velocity")
+					var speed = vel.length()
+					
+					var stf = (next_target - pos).normalized() * speed
+#					stf.y = vel.y
+					vel = vel.linear_interpolate(stf, delta)
+					var target_pos = pos + vel
+#					vel.y = vel.y * delta
+					var newpos = pos.linear_interpolate(target_pos, delta)
+					n.set_meta("velocity", vel)
+					# why?
+					var xform = Transform(Basis(), newpos).looking_at(newpos - vel * 4.0, Vector3.UP)
+					n.global_transform = xform
+				else:
+					if n.has_meta("space"):
+						switch_to_close_vehicle(n)
+					var v = n.get_linear_velocity()
+					n.set_meta("velocity", v)
+					var l = v.length()
+#					if abs(steer) > 3.0 || !good_path:
+#						# vehicle totally lost
+#						n.brake = 60000
+#						n.engine_force = 0
+#					elif abs(steer) > 2.0:
+#						# vehicle lost
+#						n.engine_force = 0
+					if next_target.length_squared() == 0:
+						engine_force = 0.0
+						steer = 0.0
+					else:
+						if abs(steer) > 3.0:
+							engine_force *= 0.9
+							engine_force = clamp(engine_force, 2500.0, max(2500, engine_force))
+						else:
+							if abs(steer) > 4.0 && l > 5.0:
+								engine_force = engine_force * 0.9996
+							if l > 7.0:
+								engine_force = engine_force * 0.9996
+							elif l < 1.1:
+								engine_force = clamp(engine_force * 1.004, 6000, 8000)
+							elif l < 2.5:
+								engine_force = clamp(engine_force * 1.002, 5000, 7000)
+							elif l < 5.0:
+								engine_force = clamp(engine_force * 1.001, 4000, 6000)
+							elif l < 6.0:
+								engine_force = clamp(engine_force * 1.001, 3000, 5000)
+#					engine_force = 0.0
+					engine_force = clamp(engine_force, 0, 8500)
+					print("engine_force: ", engine_force)
+					n.engine_force = engine_force
+					n.brake = 0
+#					n.steering = clamp(steer, -1, 1)
+					var base_steering = n.steering
+					var main_steering = base_steering * 0.95 + steer * 0.05
+					n.steering = clamp(main_steering, -1, 1)
+					n.set_meta("steering", n.steering)
 			var space_state = get_viewport().get_world().direct_space_state
 			# probaly should not be here
 			for n in get_tree().get_nodes_in_group("spawn"):
@@ -289,8 +513,114 @@ func _physics_process(delta):
 					elif n.is_in_group("female"):
 						characters.replace_character(n, "female", ["cmdq", "marker", "hurtboxes", "student"])
 					elif n.is_in_group("car"):
+						var p1 = cam.global_transform.origin
+						var p2 = n.global_transform.origin
+						if p1.distance_squared_to(p2) < 5000.0:
 							var c = car.instance()
+							c.add_to_group("saved_vehicle")
 							var p = get_tree().root
 							p.add_child(c)
 							c.global_transform = n.global_transform
 							n.queue_free()
+#					elif n.is_in_group("traffic_spawn"):
+#						var p1 = cam.global_transform.origin
+#						var p2 = n.global_transform.origin
+#						if !n.has_meta("cooldown") && p1.distance_squared_to(p2) < 10000.0:
+#							var c = car.instance()
+#							c.add_to_group("traffic_vehicle")
+#							var p = get_tree().root
+#							p.add_child(c)
+#							c.global_transform = n.global_transform
+#							c.parked = false
+#							c.mode = c.MODE_RIGID
+#							c.engine_force = 2500
+#							c.steering = 0
+#							var xf = c.global_transform
+#							xf.origin = Vector3()
+#							var vel = xf.xform(Vector3(0, 0, -10))
+#							c.set_linear_velocity(vel)
+#							var sp = PhysicsServer.body_get_space(c.get_rid())
+#							c.set_meta("space", sp)
+#							PhysicsServer.body_set_space(c.get_rid(), RID())
+#							n.set_meta("cooldown", 2.0 + randi() % 8)
+#							# create_path(c, p2, vel)
+#						elif n.has_meta("cooldown"):
+#							var cd = n.get_meta("cooldown")
+#							cd -= delta
+#							if cd < 0:
+#								n.remove_meta("cooldown")
+func get_curve_closest(curve, p2):
+	var test_offt = curve.get_closest_offset(p2)
+	var testp = curve.interpolate_baked(test_offt, false)
+	return testp
+func test_curve(curve, p2):
+	var testp = get_curve_closest(curve, p2)
+	return testp.distance_squared_to(p2) < 16.0
+
+func create_path(c, p2, vel):
+	c.set_meta("velocity", vel)
+	print("create_path: velocity: ", vel)
+	var rangle = traffic_rnd.randf() * PI * 2.0
+	var randa = 500.0 + traffic_rnd.randf() * 500.0
+	var xt = cos(rangle) * randa
+	var yt = cos(rangle) * randa
+	var rv = Vector3(xt, 0, yt)
+	var target = RoadsData.get_closest_point(p2 + rv, false)
+	var cur = RoadsData.get_closest_point(p2, false)
+	while cur == target:
+		rangle = traffic_rnd.randf() * PI * 2.0
+		randa = 500.0 + traffic_rnd.randf() * 500.0
+		xt = cos(rangle) * randa
+		yt = sin(rangle) * randa
+		rv = Vector3(xt, 0, yt)
+		target = RoadsData.get_closest_point(p2 + rv, false)
+	c.set_meta("target", target)
+	var path = RoadsData.get_point_path(cur, target);
+	assert(cur != target)
+	assert(path.size() > 0)
+	var curve = Curve3D.new()
+	for e in range(path.size() - 1):
+		var pt1 = path[e]
+		var pt2 = path[e + 1]
+		var nt = (pt2 - pt1).cross(Vector3.UP).normalized()
+		var d = (pt2 - pt1).normalized()
+		var l = pt1.distance_to(pt2)
+		while l > 16.0:
+			pt1 += d * 8.0
+			curve.add_point(pt1 + nt * 3.0 + Vector3.UP * 0.5)
+			l -= 8.0
+	if (!test_curve(curve, p2)):
+		var testp = get_curve_closest(curve, p2)
+		var e = p2 + (testp - p2).normalized() * 2.0
+		var nt = (testp - p2).cross(Vector3.UP).normalized()
+		curve.add_point(e + nt * 3.0 + Vector3.UP * 0.5, Vector3(), Vector3(), 0)
+	assert(test_curve(curve, p2))
+	c.set_meta("curve", curve)
+	c.set_meta("curve_length", curve.get_baked_length())
+
+# buildings
+
+var spawn = []
+
+func spawn_child(n: String, xform: Transform) -> void:
+	var sp = {"node": n, "xform": xform}
+	spawn.push_back(sp)
+func real_spawn_child():
+	var count = 0
+	while spawn.size() > 0:
+		var e = spawn.pop_front()
+		Spawner.place_scene(e.node, e.xform)
+		count += 1
+
+func update_node_position(n):
+	var space_state = get_viewport().get_world().direct_space_state
+	var where = n.get_global_transform().origin
+	var from = where
+	var to = where
+	from.y -= 8.0
+	to.y += 8.0
+	var result = space_state.intersect_ray(from, to)
+	if result.empty() || !result.has("collider"):
+		return
+	else:
+		n.global_transform.origin = result.position

objects/palace.gd

@@ -1,22 +1,9 @@
 extends Spatial
 
-var courtyard_tile: PackedScene = load("res://objects/courtyard-tile.scn")
-var foundation_tile: PackedScene = load("res://objects/foundation.scn")
-var room_tile: PackedScene = load("res://objects/block-room-corridoor.scn")
-var tower_walls_tile: PackedScene = load("res://objects/tower-walls.scn")
-var tower_floor_tile: PackedScene = load("res://objects/tower_floor.scn")
-var stairs_tile: PackedScene = load("res://objects/stairs.scn")
-var gate_bottom_tile: PackedScene = load("res://objects/gate_bottom.scn")
-var gate_top_tile: PackedScene = load("res://objects/gate-top.scn")
-var entry_tile: PackedScene = load("res://objects/block-room-entry.scn")
-var roof_tile: PackedScene = load("res://objects/roof.scn")
-var tower_roof_tile: PackedScene = load("res://objects/tower-roof.scn")
-
 const tile_size = 8
 const palace_size = 8
 const layers = 4
 
-
 func _ready():
 	var voffset = 0.0
 	for layer in range(layers):
@@ -34,15 +21,16 @@ func _ready():
 				var x = i * tile_size - palace_size * tile_size / 2
 				var z = j * tile_size - palace_size * tile_size / 2
 				if layer == 0:
-					var ct = courtyard_tile.instance()
+					var ct = "courtyard_tile"
 					var xform = Transform(Basis(), Vector3(x, voffset, z))
 					if i > 0 && i < palace_size - 1:
 						if j > 0 && j < palace_size - 1:
 							call_deferred("place", ct, xform)
 					if i in [0, palace_size - 1] || j in [0, palace_size - 1]:
-							call_deferred("place", ct, xform)
+						if (j == palace_size / 2.0 || i != palace_size / 2.0):
+							call_deferred("place", "foundation_tile", xform)
 				else:
-					var ct = room_tile.instance()
+					var ct = "room_tile"
 					var tower_angles = {
 						0:
 							{
@@ -71,15 +59,15 @@ func _ready():
 					elif tower_angles.has(i) && tower_angles[i].has(j):
 						xform.basis = Basis().rotated(Vector3.UP, tower_angles[i][j])
 						if layer == layers - 1:
-							var twr = tower_roof_tile.instance()
+							var twr = "tower_roof_tile"
 							call_deferred("place", twr, xform)
 						else:
-							var tw = tower_walls_tile.instance()
+							var tw = "tower_walls_tile"
 							call_deferred("place", tw, xform)
-							var st = stairs_tile.instance()
+							var st = "stairs_tile"
 							call_deferred("place", st, xform)
 							if layer == 1:
-								var tfl = tower_floor_tile.instance()
+								var tfl = "tower_floor_tile"
 								call_deferred("place", tfl, xform)
 	var car = Spatial.new()
 	car.add_to_group("spawn")
@@ -97,27 +85,26 @@ func _ready():
 		add_child(major_f)
 		major_f.global_transform = Transform(Basis(), Vector3(cos(PI / 3 * e) * 2.0, 0, sin(PI / 3 * e) * 2.0) + Vector3(10.0, 0, 0))
 	print("PALACE done")
-func place(obj, where):
-	add_child(obj)
-	obj.transform = where
-	print("placed at ", where.origin)
+
+func place(obj: String, where: Transform):
+	streaming.spawn_child(obj, global_transform * where)
 
 func spawn_wall(layer:int, i: int, j: int, xform: Transform):
 	if layer == layers - 1:
-		var rt = roof_tile.instance()
+		var rt = "roof_tile"
 		call_deferred("place", rt, xform)
 	elif (j != palace_size / 2.0 && i != palace_size / 2.0)|| layer > 2:
-		var ct = room_tile.instance()
+		var ct = "room_tile"
 		call_deferred("place", ct, xform)
 	elif (j == palace_size / 2.0 && i != palace_size / 2.0) && layer == 1:
-		var ent = entry_tile.instance()
+		var ent = "entry_tile"
 		call_deferred("place", ent, xform)
 	elif (j != palace_size / 2.0 && i == palace_size / 2.0) && layer == 1:
-		var gw = gate_bottom_tile.instance()
+		var gw = "gate_bottom_tile"
 		call_deferred("place", gw, xform)
 	elif (j != palace_size / 2.0 && i == palace_size / 2.0) && layer == 2:
-		var gw = gate_top_tile.instance()
+		var gw = "gate_top_tile"
 		call_deferred("place", gw, xform)
 	elif (j == palace_size / 2.0 && i != palace_size / 2.0) && layer == 2:
-		var ct = room_tile.instance()
+		var ct = "room_tile"
 		call_deferred("place", ct, xform)

objects/palace.gltf

@@ -1,6 +1,6 @@
 {
     "asset" : {
-        "generator" : "Khronos glTF Blender I/O v1.6.16",
+        "generator" : "Khronos glTF Blender I/O v1.5.17",
         "version" : "2.0"
     },
     "scene" : 0,
@@ -176,7 +176,7 @@
                         "NORMAL" : 9,
                         "TEXCOORD_0" : 10
                     },
-                    "indices" : 3,
+                    "indices" : 11,
                     "material" : 0
                 }
             ]
@@ -186,11 +186,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 11,
-                        "NORMAL" : 12,
-                        "TEXCOORD_0" : 13
+                        "POSITION" : 12,
+                        "NORMAL" : 13,
+                        "TEXCOORD_0" : 14
                     },
-                    "indices" : 14,
+                    "indices" : 15,
                     "material" : 0
                 }
             ]
@@ -200,11 +200,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 15,
-                        "NORMAL" : 16,
-                        "TEXCOORD_0" : 17
+                        "POSITION" : 16,
+                        "NORMAL" : 17,
+                        "TEXCOORD_0" : 18
                     },
-                    "indices" : 18,
+                    "indices" : 19,
                     "material" : 0
                 }
             ]
@@ -214,11 +214,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 19,
-                        "NORMAL" : 20,
-                        "TEXCOORD_0" : 21
+                        "POSITION" : 20,
+                        "NORMAL" : 21,
+                        "TEXCOORD_0" : 22
                     },
-                    "indices" : 22,
+                    "indices" : 23,
                     "material" : 0
                 }
             ]
@@ -228,11 +228,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 23,
-                        "NORMAL" : 24,
-                        "TEXCOORD_0" : 25
+                        "POSITION" : 24,
+                        "NORMAL" : 25,
+                        "TEXCOORD_0" : 26
                     },
-                    "indices" : 26,
+                    "indices" : 27,
                     "material" : 0
                 }
             ]
@@ -242,11 +242,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 27,
-                        "NORMAL" : 28,
-                        "TEXCOORD_0" : 29
+                        "POSITION" : 28,
+                        "NORMAL" : 29,
+                        "TEXCOORD_0" : 30
                     },
-                    "indices" : 30,
+                    "indices" : 31,
                     "material" : 0
                 }
             ]
@@ -256,11 +256,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 31,
-                        "NORMAL" : 32,
-                        "TEXCOORD_0" : 33
+                        "POSITION" : 32,
+                        "NORMAL" : 33,
+                        "TEXCOORD_0" : 34
                     },
-                    "indices" : 34,
+                    "indices" : 35,
                     "material" : 0
                 }
             ]
@@ -270,11 +270,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 35,
-                        "NORMAL" : 36,
-                        "TEXCOORD_0" : 37
+                        "POSITION" : 36,
+                        "NORMAL" : 37,
+                        "TEXCOORD_0" : 38
                     },
-                    "indices" : 38,
+                    "indices" : 39,
                     "material" : 0
                 }
             ]
@@ -284,11 +284,11 @@
             "primitives" : [
                 {
                     "attributes" : {
-                        "POSITION" : 39,
-                        "NORMAL" : 40,
-                        "TEXCOORD_0" : 41
+                        "POSITION" : 40,
+                        "NORMAL" : 41,
+                        "TEXCOORD_0" : 42
                     },
-                    "indices" : 42
+                    "indices" : 43
                 }
             ]
         }
@@ -365,7 +365,7 @@
         {
             "bufferView" : 8,
             "componentType" : 5126,
-            "count" : 24,
+            "count" : 20,
             "max" : [
                 4,
                 0.800000011920929,
@@ -381,17 +381,23 @@
         {
             "bufferView" : 9,
             "componentType" : 5126,
-            "count" : 24,
+            "count" : 20,
             "type" : "VEC3"
         },
         {
             "bufferView" : 10,
             "componentType" : 5126,
-            "count" : 24,
+            "count" : 20,
             "type" : "VEC2"
         },
         {
             "bufferView" : 11,
+            "componentType" : 5123,
+            "count" : 30,
+            "type" : "SCALAR"
+        },
+        {
+            "bufferView" : 12,
             "componentType" : 5126,
             "count" : 849,
             "max" : [
@@ -407,25 +413,25 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 12,
+            "bufferView" : 13,
             "componentType" : 5126,
             "count" : 849,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 13,
+            "bufferView" : 14,
             "componentType" : 5126,
             "count" : 849,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 14,
+            "bufferView" : 15,
             "componentType" : 5123,
             "count" : 2178,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 15,
+            "bufferView" : 16,
             "componentType" : 5126,
             "count" : 905,
             "max" : [
@@ -441,27 +447,27 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 16,
+            "bufferView" : 17,
             "componentType" : 5126,
             "count" : 905,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 17,
+            "bufferView" : 18,
             "componentType" : 5126,
             "count" : 905,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 18,
+            "bufferView" : 19,
             "componentType" : 5123,
             "count" : 1596,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 19,
+            "bufferView" : 20,
             "componentType" : 5126,
-            "count" : 80,
+            "count" : 104,
             "max" : [
                 4,
                 3.799999952316284,
@@ -469,31 +475,31 @@
             ],
             "min" : [
                 -4,
-                -0.19999992847442627,
+                -0.9999999403953552,
                 -4.5
             ],
             "type" : "VEC3"
         },
         {
-            "bufferView" : 20,
+            "bufferView" : 21,
             "componentType" : 5126,
-            "count" : 80,
+            "count" : 104,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 21,
+            "bufferView" : 22,
             "componentType" : 5126,
-            "count" : 80,
+            "count" : 104,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 22,
+            "bufferView" : 23,
             "componentType" : 5123,
-            "count" : 156,
+            "count" : 252,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 23,
+            "bufferView" : 24,
             "componentType" : 5126,
             "count" : 504,
             "max" : [
@@ -509,25 +515,25 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 24,
+            "bufferView" : 25,
             "componentType" : 5126,
             "count" : 504,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 25,
+            "bufferView" : 26,
             "componentType" : 5126,
             "count" : 504,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 26,
+            "bufferView" : 27,
             "componentType" : 5123,
             "count" : 1332,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 27,
+            "bufferView" : 28,
             "componentType" : 5126,
             "count" : 4,
             "max" : [
@@ -543,25 +549,25 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 28,
+            "bufferView" : 29,
             "componentType" : 5126,
             "count" : 4,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 29,
+            "bufferView" : 30,
             "componentType" : 5126,
             "count" : 4,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 30,
+            "bufferView" : 31,
             "componentType" : 5123,
             "count" : 6,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 31,
+            "bufferView" : 32,
             "componentType" : 5126,
             "count" : 1143,
             "max" : [
@@ -577,25 +583,25 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 32,
+            "bufferView" : 33,
             "componentType" : 5126,
             "count" : 1143,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 33,
+            "bufferView" : 34,
             "componentType" : 5126,
             "count" : 1143,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 34,
+            "bufferView" : 35,
             "componentType" : 5123,
             "count" : 3180,
             "type" : "SCALAR"
         },
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-            "bufferView" : 35,
+            "bufferView" : 36,
             "componentType" : 5126,
             "count" : 36,
             "max" : [
@@ -611,25 +617,25 @@
             "type" : "VEC3"
         },
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-            "bufferView" : 36,
+            "bufferView" : 37,
             "componentType" : 5126,
             "count" : 36,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 37,
+            "bufferView" : 38,
             "componentType" : 5126,
             "count" : 36,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 38,
+            "bufferView" : 39,
             "componentType" : 5123,
             "count" : 60,
             "type" : "SCALAR"
         },
         {
-            "bufferView" : 39,
+            "bufferView" : 40,
             "componentType" : 5126,
             "count" : 1832,
             "max" : [
@@ -645,19 +651,19 @@
             "type" : "VEC3"
         },
         {
-            "bufferView" : 40,
+            "bufferView" : 41,
             "componentType" : 5126,
             "count" : 1832,
             "type" : "VEC3"
         },
         {
-            "bufferView" : 41,
+            "bufferView" : 42,
             "componentType" : 5126,
             "count" : 1832,
             "type" : "VEC2"
         },
         {
-            "bufferView" : 42,
+            "bufferView" : 43,
             "componentType" : 5123,
             "count" : 2964,
             "type" : "SCALAR"
@@ -706,183 +712,188 @@
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         {
             "buffer" : 0,
-            "byteLength" : 288,
+            "byteLength" : 240,
             "byteOffset" : 39872
         },
         {
             "buffer" : 0,
-            "byteLength" : 288,
-            "byteOffset" : 40160
+            "byteLength" : 240,
+            "byteOffset" : 40112
         },
         {
             "buffer" : 0,
-            "byteLength" : 192,
-            "byteOffset" : 40448
+            "byteLength" : 160,
+            "byteOffset" : 40352
+        },
+        {
+            "buffer" : 0,
+            "byteLength" : 60,
+            "byteOffset" : 40512
         },
         {
             "buffer" : 0,
             "byteLength" : 10188,
-            "byteOffset" : 40640
+            "byteOffset" : 40572
         },
         {
             "buffer" : 0,
             "byteLength" : 10188,
-            "byteOffset" : 50828
+            "byteOffset" : 50760
         },
         {
             "buffer" : 0,
             "byteLength" : 6792,
-            "byteOffset" : 61016
+            "byteOffset" : 60948
         },
         {
             "buffer" : 0,
             "byteLength" : 4356,
-            "byteOffset" : 67808
+            "byteOffset" : 67740
         },
         {
             "buffer" : 0,
             "byteLength" : 10860,
-            "byteOffset" : 72164
+            "byteOffset" : 72096
         },
         {
             "buffer" : 0,
             "byteLength" : 10860,
-            "byteOffset" : 83024
+            "byteOffset" : 82956
         },
         {
             "buffer" : 0,
             "byteLength" : 7240,
-            "byteOffset" : 93884
+            "byteOffset" : 93816
         },
         {
             "buffer" : 0,
             "byteLength" : 3192,
-            "byteOffset" : 101124
+            "byteOffset" : 101056
         },
         {
             "buffer" : 0,
-            "byteLength" : 960,
-            "byteOffset" : 104316
+            "byteLength" : 1248,
+            "byteOffset" : 104248
         },
         {
             "buffer" : 0,
-            "byteLength" : 960,
-            "byteOffset" : 105276
+            "byteLength" : 1248,
+            "byteOffset" : 105496
         },
         {
             "buffer" : 0,
-            "byteLength" : 640,
-            "byteOffset" : 106236
+            "byteLength" : 832,
+            "byteOffset" : 106744
         },
         {
             "buffer" : 0,
-            "byteLength" : 312,
-            "byteOffset" : 106876
+            "byteLength" : 504,
+            "byteOffset" : 107576
         },
         {
             "buffer" : 0,
             "byteLength" : 6048,
-            "byteOffset" : 107188
+            "byteOffset" : 108080
         },
         {
             "buffer" : 0,
             "byteLength" : 6048,
-            "byteOffset" : 113236
+            "byteOffset" : 114128
         },
         {
             "buffer" : 0,
             "byteLength" : 4032,
-            "byteOffset" : 119284
+            "byteOffset" : 120176
         },
         {
             "buffer" : 0,
             "byteLength" : 2664,
-            "byteOffset" : 123316
+            "byteOffset" : 124208
         },
         {
             "buffer" : 0,
             "byteLength" : 48,
-            "byteOffset" : 125980
+            "byteOffset" : 126872
         },
         {
             "buffer" : 0,
             "byteLength" : 48,
-            "byteOffset" : 126028
+            "byteOffset" : 126920
         },
         {
             "buffer" : 0,
             "byteLength" : 32,
-            "byteOffset" : 126076
+            "byteOffset" : 126968
         },
         {
             "buffer" : 0,
             "byteLength" : 12,
-            "byteOffset" : 126108
+            "byteOffset" : 127000
         },
         {
             "buffer" : 0,
             "byteLength" : 13716,
-            "byteOffset" : 126120
+            "byteOffset" : 127012
         },
         {
             "buffer" : 0,
             "byteLength" : 13716,
-            "byteOffset" : 139836
+            "byteOffset" : 140728
         },
         {
             "buffer" : 0,
             "byteLength" : 9144,
-            "byteOffset" : 153552
+            "byteOffset" : 154444
         },
         {
             "buffer" : 0,
             "byteLength" : 6360,
-            "byteOffset" : 162696
+            "byteOffset" : 163588
         },
         {
             "buffer" : 0,
             "byteLength" : 432,
-            "byteOffset" : 169056
+            "byteOffset" : 169948
         },
         {
             "buffer" : 0,
             "byteLength" : 432,
-            "byteOffset" : 169488
+            "byteOffset" : 170380
         },
         {
             "buffer" : 0,
             "byteLength" : 288,
-            "byteOffset" : 169920
+            "byteOffset" : 170812
         },
         {
             "buffer" : 0,
             "byteLength" : 120,
-            "byteOffset" : 170208
+            "byteOffset" : 171100
         },
         {
             "buffer" : 0,
             "byteLength" : 21984,
-            "byteOffset" : 170328
+            "byteOffset" : 171220
         },
         {
             "buffer" : 0,
             "byteLength" : 21984,
-            "byteOffset" : 192312
+            "byteOffset" : 193204
         },
         {
             "buffer" : 0,
             "byteLength" : 14656,
-            "byteOffset" : 214296
+            "byteOffset" : 215188
         },
         {
             "buffer" : 0,
             "byteLength" : 5928,
-            "byteOffset" : 228952
+            "byteOffset" : 229844
         }
     ],
     "buffers" : [
         {
-            "byteLength" : 234880,
+            "byteLength" : 235772,
             "uri" : "palace.bin"
         }
     ]

objects/trailer-house.gd

@@ -1,124 +1,70 @@
 extends Spatial
 
-var side_wall: PackedScene = preload("res://objects/wall-side.scn")
-var bottom_side: PackedScene = preload("res://objects/bottom-side.scn")
-var bottom: PackedScene = preload("res://objects/bottom.scn")
-var bottom_wheels: PackedScene = preload("res://objects/bottom-wheels.scn")
-var entry: PackedScene = preload("res://objects/entry.scn")
-var roof_floor: PackedScene = preload("res://objects/roof-floor.scn")
-var roof_floor_range: PackedScene = preload("res://objects/roof-floor-range.scn")
-var wall_internal:  PackedScene = preload("res://objects/wall-internal.scn")
-var window_narrow: PackedScene = preload("res://objects/window-narrow.scn")
-var window_wide: PackedScene = preload("res://objects/window-wide.scn")
-var wall_solid: PackedScene = preload("res://objects/wall-solid.scn")
 onready var rnd = RandomNumberGenerator.new()
 
-
-# Declare member variables here. Examples:
-# var a = 2
-# var b = "text"
-
-
-# Called when the node enters the scene tree for the first time.
-var thread: Thread
+var spawn = []
 func _ready():
-	thread = Thread.new()
-#	var parts = {
-#		"side_wall": side_wall,
-#		"bottom_side": bottom_side,
-#		"bottom": bottom,
-#		"bottom_wheels": bottom_wheels,
-#		"entry": entry,
-#		"roof_floor": roof_floor,
-#		"roof_floor_range": roof_floor_range,
-#		"wall_internal": wall_internal,
-#		"window_narrow": window_narrow,
-#		"window_wide": window_wide,
-#		"wall_solid": wall_solid
-#	}
-#	for k in parts.keys():
-#		Spawner.add_scene(k, parts[k])
-func _exit_tree():
-	if thread.is_active():
-		thread.wait_to_finish()
-func spawn_child(n, xform):
-	add_child(n)
-	n.transform = xform
-func build_house(userdata):
-	var s = int(global_transform.origin.x + 100 * global_transform.origin.z * 2) % 0x1ffffff
+	pass
+func spawn_child(n: String, xform: Transform) -> void:
+	var x = xform
+	if n.ends_with("_rotated"):
+		x.basis = x.basis.rotated(Vector3(0, 1, 0), PI)
+		n = n.replace("_rotated", "")
+	streaming.spawn_child(n, global_transform * x)
+static func build_house(main_xform: Transform):
+	var rnd = RandomNumberGenerator.new()
+	var s = int(main_xform.origin.x + 100 * main_xform.origin.z * 2) % 0x1ffffff
 	rnd.seed = s
-	print(global_transform.origin, " seed = ", s)
+	print(main_xform.origin, " seed = ", s)
 	var l = 6 + 2 * rnd.randi() % 7 - 1
 	var h = l - 1
 	var d = 3 + rnd.randi() % (l - 5 + 1)
 	var range_used = false
+	var objects = []
 	for k in range(l + 1):
 		var pos = Vector3(0, 0, k * 2)
-		if k > 0:
-			if k != d && rnd.randf() > 0.5 && !range_used:
-				var r = roof_floor_range.instance()
 		var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", r, xform)
+		if k > 0:
+			var what
+			if k != d && rnd.randf() > 0.5 && !range_used:
+				what = "roof_floor_range"
 				range_used = true
 			else:
-				var r = roof_floor.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", r, xform)
-			var what
+				what = "roof_floor"
+			objects.push_back({"xform": xform, "data": [what]})
 			var xt = [Transform(Basis(), pos), Transform(Basis().rotated(Vector3.UP, PI), pos - Vector3(0, 0, 2))]
 			for x in range(xt.size()):
 				if x == 0 && k == d:
 					continue
 				if rnd.randf() > 0.5:
-					what = wall_solid.instance()
+					what = "wall_solid"
 				elif rnd.randf() > 0.5:
-					what = window_narrow.instance()
+					what = "window_narrow"
 				else:
-					what = window_wide.instance()
-				call_deferred("spawn_child", what, xt[x])
-
+					what = "window_wide"
+				objects.push_back({"xform": xt[x], "data": [what]})
+		var obj_data = []
 		if k > 1 && k < l && rnd.randf() > 0.6:
-			var r = wall_internal.instance()
-			var xform = Transform(Basis(), pos)
-			call_deferred("spawn_child", r, xform)
+			objects.push_back({"xform": xform, "data": ["wall_internal"]})
+
 		match k:
 			0:
-				var b = side_wall.instance()
-				var c = bottom_side.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
-				call_deferred("spawn_child", c, xform)
+				obj_data = ["side_wall", "bottom_side"]
 			1:
-				var b = bottom.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
+				obj_data = ["bottom"]
 			2:
-				var b = bottom_wheels.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
+				obj_data = ["bottom_wheels"]
 			d:
-				var b = entry.instance()
-				var c = bottom.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
-				call_deferred("spawn_child", c, xform)
+				obj_data = ["entry", "bottom"]
 			h:
-				var b = bottom_wheels.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
+				obj_data = ["bottom_wheels"]
 			l:
-				var b = side_wall.instance()
-				var c = bottom_side.instance()
-				var a = bottom.instance()
-				var xform = Transform(Basis().rotated(Vector3(0, 1, 0), PI), pos)
-				var xform2 = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
-				call_deferred("spawn_child", c, xform)
-				call_deferred("spawn_child", a, xform2)
+				obj_data = ["side_wall_rotated", "bottom_side_rotated", "bottom"]
 			_:
-				var b = bottom.instance()
-				var xform = Transform(Basis(), pos)
-				call_deferred("spawn_child", b, xform)
+				obj_data = ["bottom"]
+		objects.push_back({"xform": xform, "data": obj_data})
+	return objects
+
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 var state = 0
 func _process(delta):
@@ -126,26 +72,20 @@ func _process(delta):
 		0:
 			state = 1
 		1:
-			build_house(self)
+			var objects = build_house(global_transform)
+			for obj in objects:
+				var x = obj.xform
+				for w in obj.data:
+					call_deferred("spawn_child", w, x)
 			state = 2
-
-var prev = 3000000
-func _physics_process(delta):
-	var cam = get_viewport().get_camera()
-	var dst = cam.global_transform.origin.distance_to(global_transform.origin)
-	match state:
 		2:
-			if abs(prev - dst) > 20:
-				var space_state = get_viewport().get_world().direct_space_state
-				var where = get_global_transform().origin
-				var from = where
-				var to = where
-				from.y -= 8.0
-				to.y += 8.0
-				var result = space_state.intersect_ray(from, to)
-				if result.empty() || !result.has("collider"):
-					return
-				else:
-					global_transform.origin = result.position
-				prev = dst
+			set_process(false)
 
+#var prev = 3000000
+#func _physics_process(delta):
+#	var cam = get_viewport().get_camera()
+#	var dst = cam.global_transform.origin.distance_squared_to(global_transform.origin)
+#	match state:
+#		2:
+#			if abs(prev - dst) > 400:
+#				streaming.update_node_position(n)

scenes/vehicles/car.gd

@@ -215,9 +215,10 @@ func get_player_out_of_vehicle(data):
 #var d = 1.0
 #var state = 0
 func _process(delta):
-	if parked:
-		mode = RigidBody.MODE_KINEMATIC
-		return
+	pass
+#	if parked:
+#		mode = RigidBody.MODE_KINEMATIC
+#		return
 #	if engine_force > 1000.0 && linear_velocity.length() < 0.1:
 #		apply_central_impulse(global_transform.basis.y * mass * 1 + global_transform.basis.z * mass * 5)
 #	if d > 0:
@@ -245,9 +246,9 @@ func is_upright():
 	if v.y > v.x && v.y > v.z:
 		return true
 	return false
-func _physics_process(delta):
-	if is_upright():
-		if abs(engine_force) > 0 && linear_velocity.y * delta > 0.05:
-			add_central_force(Vector3(0, -linear_velocity.y * delta * mass, 0))
-		var l = linear_velocity.length() * delta
-		add_central_force(Vector3(0, -l * 0.5 * mass, 0))
+#func _physics_process(delta):
+#	if is_upright():
+#		if abs(engine_force) > 0 && linear_velocity.y * delta > 0.05:
+#			add_central_force(Vector3(0, -linear_velocity.y * delta * mass, 0))
+#		var l = linear_velocity.length() * delta
+#		add_central_force(Vector3(0, -l * 0.5 * mass, 0))

steering_test.gd

@@ -0,0 +1,34 @@
+extends Spatial
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+var xdel = 16.0
+var state = 0
+func _process(delta):
+	var tgt = $target.global_transform.origin
+	var xt = $VehicleBody.global_transform.affine_inverse()
+	var loc = xt.xform(tgt)
+	$VehicleBody.steering = clamp(loc.x, -1, 1)
+	print(loc.x, " ", loc.z)
+	$Camera.look_at($VehicleBody.global_transform.origin, Vector3.UP)
+	match state:
+		0:
+			$VehicleBody.engine_force = 2000
+			state = 1
+		1:
+			xdel -= delta
+			if xdel < 0:
+				$VehicleBody.engine_force = 0
+	
+	
+	

steering_test.tscn

@@ -0,0 +1,134 @@
+[gd_scene load_steps=12 format=2]
+
+[ext_resource path="res://steering_test.gd" type="Script" id=1]
+
+[sub_resource type="SphereMesh" id=3]
+radius = 0.2
+
+[sub_resource type="CubeMesh" id=1]
+
+[sub_resource type="CubeMesh" id=2]
+size = Vector3( 2, 1, 4 )
+
+[sub_resource type="BoxShape" id=4]
+extents = Vector3( 1, 1, 2.00042 )
+
+[sub_resource type="SphereMesh" id=5]
+radius = 0.5
+height = 1.0
+
+[sub_resource type="SphereMesh" id=6]
+radius = 0.5
+height = 1.0
+
+[sub_resource type="ProceduralSky" id=9]
+
+[sub_resource type="Environment" id=10]
+background_mode = 2
+background_sky = SubResource( 9 )
+
+[sub_resource type="PlaneMesh" id=7]
+size = Vector2( 40, 40 )
+subdivide_width = 5
+subdivide_depth = 5
+
+[sub_resource type="ConcavePolygonShape" id=8]
+data = PoolVector3Array( 20, 0, 20, 13.3333, 0, 20, 20, 0, 13.3333, 13.3333, 0, 20, 13.3333, 0, 13.3333, 20, 0, 13.3333, 13.3333, 0, 20, 6.6667, 0, 20, 13.3333, 0, 13.3333, 6.6667, 0, 20, 6.6667, 0, 13.3333, 13.3333, 0, 13.3333, 6.6667, 0, 20, 0, 0, 20, 6.6667, 0, 13.3333, 0, 0, 20, 0, 0, 13.3333, 6.6667, 0, 13.3333, 0, 0, 20, -6.6667, 0, 20, 0, 0, 13.3333, -6.6667, 0, 20, -6.6667, 0, 13.3333, 0, 0, 13.3333, -6.6667, 0, 20, -13.3333, 0, 20, -6.6667, 0, 13.3333, -13.3333, 0, 20, -13.3333, 0, 13.3333, -6.6667, 0, 13.3333, -13.3333, 0, 20, -20, 0, 20, -13.3333, 0, 13.3333, -20, 0, 20, -20, 0, 13.3333, -13.3333, 0, 13.3333, 20, 0, 13.3333, 13.3333, 0, 13.3333, 20, 0, 6.6667, 13.3333, 0, 13.3333, 13.3333, 0, 6.6667, 20, 0, 6.6667, 13.3333, 0, 13.3333, 6.6667, 0, 13.3333, 13.3333, 0, 6.6667, 6.6667, 0, 13.3333, 6.6667, 0, 6.6667, 13.3333, 0, 6.6667, 6.6667, 0, 13.3333, 0, 0, 13.3333, 6.6667, 0, 6.6667, 0, 0, 13.3333, 0, 0, 6.6667, 6.6667, 0, 6.6667, 0, 0, 13.3333, -6.6667, 0, 13.3333, 0, 0, 6.6667, -6.6667, 0, 13.3333, -6.6667, 0, 6.6667, 0, 0, 6.6667, -6.6667, 0, 13.3333, -13.3333, 0, 13.3333, -6.6667, 0, 6.6667, -13.3333, 0, 13.3333, -13.3333, 0, 6.6667, -6.6667, 0, 6.6667, -13.3333, 0, 13.3333, -20, 0, 13.3333, -13.3333, 0, 6.6667, -20, 0, 13.3333, -20, 0, 6.6667, -13.3333, 0, 6.6667, 20, 0, 6.6667, 13.3333, 0, 6.6667, 20, 0, 0, 13.3333, 0, 6.6667, 13.3333, 0, 0, 20, 0, 0, 13.3333, 0, 6.6667, 6.6667, 0, 6.6667, 13.3333, 0, 0, 6.6667, 0, 6.6667, 6.6667, 0, 0, 13.3333, 0, 0, 6.6667, 0, 6.6667, 0, 0, 6.6667, 6.6667, 0, 0, 0, 0, 6.6667, 0, 0, 0, 6.6667, 0, 0, 0, 0, 6.6667, -6.6667, 0, 6.6667, 0, 0, 0, -6.6667, 0, 6.6667, -6.6667, 0, 0, 0, 0, 0, -6.6667, 0, 6.6667, -13.3333, 0, 6.6667, -6.6667, 0, 0, -13.3333, 0, 6.6667, -13.3333, 0, 0, -6.6667, 0, 0, -13.3333, 0, 6.6667, -20, 0, 6.6667, -13.3333, 0, 0, -20, 0, 6.6667, -20, 0, 0, -13.3333, 0, 0, 20, 0, 0, 13.3333, 0, 0, 20, 0, -6.6667, 13.3333, 0, 0, 13.3333, 0, -6.6667, 20, 0, -6.6667, 13.3333, 0, 0, 6.6667, 0, 0, 13.3333, 0, -6.6667, 6.6667, 0, 0, 6.6667, 0, -6.6667, 13.3333, 0, -6.6667, 6.6667, 0, 0, 0, 0, 0, 6.6667, 0, -6.6667, 0, 0, 0, 0, 0, -6.6667, 6.6667, 0, -6.6667, 0, 0, 0, -6.6667, 0, 0, 0, 0, -6.6667, -6.6667, 0, 0, -6.6667, 0, -6.6667, 0, 0, -6.6667, -6.6667, 0, 0, -13.3333, 0, 0, -6.6667, 0, -6.6667, -13.3333, 0, 0, -13.3333, 0, -6.6667, -6.6667, 0, -6.6667, -13.3333, 0, 0, -20, 0, 0, -13.3333, 0, -6.6667, -20, 0, 0, -20, 0, -6.6667, -13.3333, 0, -6.6667, 20, 0, -6.6667, 13.3333, 0, -6.6667, 20, 0, -13.3333, 13.3333, 0, -6.6667, 13.3333, 0, -13.3333, 20, 0, -13.3333, 13.3333, 0, -6.6667, 6.6667, 0, -6.6667, 13.3333, 0, -13.3333, 6.6667, 0, -6.6667, 6.6667, 0, -13.3333, 13.3333, 0, -13.3333, 6.6667, 0, -6.6667, 0, 0, -6.6667, 6.6667, 0, -13.3333, 0, 0, -6.6667, 0, 0, -13.3333, 6.6667, 0, -13.3333, 0, 0, -6.6667, -6.6667, 0, -6.6667, 0, 0, -13.3333, -6.6667, 0, -6.6667, -6.6667, 0, -13.3333, 0, 0, -13.3333, -6.6667, 0, -6.6667, -13.3333, 0, -6.6667, -6.6667, 0, -13.3333, -13.3333, 0, -6.6667, -13.3333, 0, -13.3333, -6.6667, 0, -13.3333, -13.3333, 0, -6.6667, -20, 0, -6.6667, -13.3333, 0, -13.3333, -20, 0, -6.6667, -20, 0, -13.3333, -13.3333, 0, -13.3333, 20, 0, -13.3333, 13.3333, 0, -13.3333, 20, 0, -20, 13.3333, 0, -13.3333, 13.3333, 0, -20, 20, 0, -20, 13.3333, 0, -13.3333, 6.6667, 0, -13.3333, 13.3333, 0, -20, 6.6667, 0, -13.3333, 6.6667, 0, -20, 13.3333, 0, -20, 6.6667, 0, -13.3333, 0, 0, -13.3333, 6.6667, 0, -20, 0, 0, -13.3333, 0, 0, -20, 6.6667, 0, -20, 0, 0, -13.3333, -6.6667, 0, -13.3333, 0, 0, -20, -6.6667, 0, -13.3333, -6.6667, 0, -20, 0, 0, -20, -6.6667, 0, -13.3333, -13.3333, 0, -13.3333, -6.6667, 0, -20, -13.3333, 0, -13.3333, -13.3333, 0, -20, -6.6667, 0, -20, -13.3333, 0, -13.3333, -20, 0, -13.3333, -13.3333, 0, -20, -20, 0, -13.3333, -20, 0, -20, -13.3333, 0, -20 )
+
+[node name="steering_test" type="Spatial"]
+script = ExtResource( 1 )
+
+[node name="DirectionalLight" type="DirectionalLight" parent="."]
+transform = Transform( 1, 0, 0, 0, -4.37114e-08, 1, 0, -1, -4.37114e-08, 0, 20, 0 )
+shadow_enabled = true
+
+[node name="front" type="Spatial" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, -5 )
+
+[node name="right" type="Spatial" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 2.07902, 0, -0.0847001 )
+
+[node name="left" type="Spatial" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -3.18049, 0, -0.0847001 )
+
+[node name="target" type="Spatial" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -3.18049, 0, 3.45624 )
+
+[node name="MeshInstance" type="MeshInstance" parent="target"]
+mesh = SubResource( 3 )
+material/0 = null
+
+[node name="VehicleBody" type="VehicleBody" parent="."]
+transform = Transform( -0.000366807, 0, -1, 0, 1, 0, 1, 0, -0.000366807, 0, 1.45468, 0 )
+mass = 2000.0
+
+[node name="MeshInstance" type="MeshInstance" parent="VehicleBody"]
+mesh = SubResource( 1 )
+skeleton = NodePath("../..")
+material/0 = null
+
+[node name="MeshInstance2" type="MeshInstance" parent="VehicleBody"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.2 )
+mesh = SubResource( 2 )
+skeleton = NodePath("../..")
+material/0 = null
+
+[node name="CollisionShape" type="CollisionShape" parent="VehicleBody"]
+shape = SubResource( 4 )
+
+[node name="VehicleWheel" type="VehicleWheel" parent="VehicleBody"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -0.7, -0.933, 1.321 )
+use_as_steering = true
+suspension_stiffness = 40.0
+suspension_max_force = 12000.0
+
+[node name="MeshInstance" type="MeshInstance" parent="VehicleBody/VehicleWheel"]
+transform = Transform( 0.2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
+mesh = SubResource( 5 )
+material/0 = null
+
+[node name="VehicleWheel2" type="VehicleWheel" parent="VehicleBody"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.7, -0.933, 1.321 )
+use_as_steering = true
+suspension_stiffness = 40.0
+suspension_max_force = 12000.0
+
+[node name="MeshInstance" type="MeshInstance" parent="VehicleBody/VehicleWheel2"]
+transform = Transform( 0.3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
+mesh = SubResource( 6 )
+material/0 = null
+
+[node name="VehicleWheel3" type="VehicleWheel" parent="VehicleBody"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -0.7, -0.933, -1.32477 )
+use_as_traction = true
+suspension_stiffness = 40.0
+suspension_max_force = 12000.0
+
+[node name="MeshInstance" type="MeshInstance" parent="VehicleBody/VehicleWheel3"]
+transform = Transform( 0.2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
+mesh = SubResource( 5 )
+material/0 = null
+
+[node name="VehicleWheel4" type="VehicleWheel" parent="VehicleBody"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0.7, -0.933, -1.32477 )
+use_as_traction = true
+suspension_stiffness = 40.0
+suspension_max_force = 12000.0
+
+[node name="MeshInstance" type="MeshInstance" parent="VehicleBody/VehicleWheel4"]
+transform = Transform( 0.3, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0 )
+mesh = SubResource( 6 )
+material/0 = null
+
+[node name="Camera" type="Camera" parent="."]
+transform = Transform( 0.0659952, 0.422312, -0.904045, 0, 0.90602, 0.423235, 0.99782, -0.0279315, 0.059793, -9.97146, 5.01123, -0.697941 )
+environment = SubResource( 10 )
+
+[node name="MeshInstance" type="MeshInstance" parent="."]
+mesh = SubResource( 7 )
+material/0 = null
+
+[node name="StaticBody" type="StaticBody" parent="MeshInstance"]
+
+[node name="CollisionShape" type="CollisionShape" parent="MeshInstance/StaticBody"]
+shape = SubResource( 8 )

world.gd

@@ -58,8 +58,7 @@ func _process(delta):
 							$player.global_transform.origin.z = v.y
 						else:
 							streaming.setup_town(site)
-						if streaming.towns > 30:
-							break
+						streaming.setup_traffic(site)
 					print("towns done: ", streaming.towns)
 				player = characters.replace_character($player, "male", ["player", "cmdq", "player_clothes"])
 				player.add_child(VoxelViewer.new())

world.tscn

@@ -63,6 +63,7 @@ run_stream_in_editor = false
 
 [node name="DirectionalLight" type="DirectionalLight" parent="."]
 transform = Transform( 1, 0, 0, 0, -4.37114e-08, 1, 0, -1, -4.37114e-08, 0, 100, 0 )
+shadow_enabled = true
 
 [node name="Camera" type="Camera" parent="."]
 transform = Transform( 0.819152, 0.40558, -0.40558, 0, 0.707107, 0.707107, 0.573577, -0.579228, 0.579228, 0, 150, 0 )