restore test level and dust2 from main branch

debug/dust2_level_builder.gd

@@ -1,49 +1,38 @@
-extends Node3D
+extends TestLevelBuilder
 
-func _ready() -> void:
-	_build()
-
-func _build() -> void:
+func _build_geometry() -> void:
+	# Build environment setup
 	_build_environment()
+	
+	var env = get_node_or_null("WorldEnvironment")
+	if env:
+		var environment = env.environment
+		environment.tonemap_mode = Environment.TONE_MAPPER_ACES
+		if environment.sky and environment.sky.sky_material:
+			var sky_mat = environment.sky.sky_material
+			sky_mat.sky_top_color = Color(0.3, 0.5, 0.8)
+			sky_mat.sky_horizon_color = Color(0.8, 0.7, 0.5)
+			sky_mat.ground_bottom_color = Color(0.2, 0.15, 0.1)
+			sky_mat.ground_horizon_color = Color(0.8, 0.7, 0.5)
+
+	_build_lighting()
+	var sun = get_node_or_null("Sun")
+	if sun:
+		sun.light_color = Color(1.0, 0.95, 0.85)
+		sun.light_energy = 1.5
+		sun.rotation_degrees = Vector3(-45, 45, 0)
+		
+	var fill = get_node_or_null("FillLight")
+	if fill:
+		fill.rotation_degrees = Vector3(-45, -135, 0)
+		fill.light_energy = 0.3
+
 	_build_dust2_layout()
 
-func _build_environment() -> void:
-	var env = WorldEnvironment.new()
-	env.name = "WorldEnvironment"
-	var environment = Environment.new()
-	environment.background_mode = Environment.BG_SKY
-	var sky = Sky.new()
-	var sky_mat = ProceduralSkyMaterial.new()
-	sky_mat.sky_top_color = Color(0.3, 0.5, 0.8)
-	sky_mat.sky_horizon_color = Color(0.8, 0.7, 0.5)
-	sky_mat.ground_bottom_color = Color(0.2, 0.15, 0.1)
-	sky_mat.ground_horizon_color = Color(0.8, 0.7, 0.5)
-	sky.sky_material = sky_mat
-	environment.sky = sky
-	environment.tonemap_mode = Environment.TONE_MAPPER_ACES
-	environment.ambient_light_source = Environment.AMBIENT_SOURCE_SKY
-	environment.ambient_light_energy = 0.35
-	env.environment = environment
-	add_child(env)
-	
-	var sun = DirectionalLight3D.new()
-	sun.name = "Sun"
-	sun.rotation_degrees = Vector3(-45, 45, 0)
-	sun.light_color = Color(1.0, 0.95, 0.85)
-	sun.light_energy = 1.5
-	sun.shadow_enabled = true
-	add_child(sun)
-	
-	var fill = DirectionalLight3D.new()
-	fill.name = "FillLight"
-	fill.rotation_degrees = Vector3(-45, -135, 0)
-	fill.light_energy = 0.3
-	add_child(fill)
-
 func _spawn_player(pid: int) -> CharacterBody3D:
-	var player = CharacterBody3D.new()
-	player.name = str(pid)
+	var player = super._spawn_player(pid)
 	player.position = Vector3(randf_range(-2, 2), 1, 50 + randf_range(-2, 2))
+	# Looking at (0,1,0) from (0,1,50) is facing straight down the -Z axis, which is rotation = 0,0,0
 	player.rotation = Vector3.ZERO
 	return player