Utility component to automatically set visibility range based on defined LOD boundaries

src/util/auto_range.gd

@@ -0,0 +1,25 @@
+class_name AutoRange extends Node
+## Component that automatically adjusts the visibility range of its parent to match LOD bounds
+
+enum LODLevel {
+	LOW,
+	MEDIUM,
+	HIGH,
+}
+
+@export var lod_level: LODLevel
+@export_range(0.0, 1.0) var end_margin_pct := 0.05
+
+
+func _ready() -> void:
+	var target: GeometryInstance3D = get_parent()
+	match lod_level:
+		LODLevel.LOW:
+			target.visibility_range_end = WorldGenManager.low_detail_radius
+		LODLevel.MEDIUM:
+			target.visibility_range_end = WorldGenManager.med_detail_radius
+		LODLevel.HIGH:
+			target.visibility_range_end = WorldGenManager.high_detail_radius
+
+	target.visibility_range_end_margin = end_margin_pct * target.visibility_range_end
+	queue_free()

src/util/auto_range.gd.uid

@@ -0,0 +1 @@
+uid://cv0o1lirqeq44

src/world/generation/feature/arcology/arcology.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=7 format=3 uid="uid://nllc8ljmn37g"]
+[gd_scene load_steps=8 format=3 uid="uid://nllc8ljmn37g"]
 
 [ext_resource type="Script" uid="uid://drk82eeqk2mjs" path="res://src/world/generation/feature/generation_feature.gd" id="1_ek7o7"]
 [ext_resource type="Material" uid="uid://0ja682cfcvu3" path="res://assets/materials/shaders/megalith_base.material" id="2_pko82"]
 [ext_resource type="Material" uid="uid://bjbctidts4k5b" path="res://assets/materials/shaders/megalith_interior.material" id="3_yw1ox"]
 [ext_resource type="PackedScene" uid="uid://cwygxhknl2h8r" path="res://src/world/generation/layer/metro_grid_layer/metro_grid_layer.tscn" id="4_fy7wq"]
+[ext_resource type="Script" uid="uid://cv0o1lirqeq44" path="res://src/util/auto_range.gd" id="4_kox75"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_pko82"]
 size = Vector2(100000, 100000)
@@ -19,8 +20,6 @@ metadata/_custom_type_script = "uid://drk82eeqk2mjs"
 [node name="InnerPyramid" type="CSGCylinder3D" parent="."]
 transform = Transform3D(0.70710677, 0, 0.70710677, 0, 1, 0, -0.70710677, 0, 0.70710677, 50000, 30000, 50000)
 layers = 4
-visibility_range_end = 100000.0
-visibility_range_end_margin = 64.0
 visibility_range_fade_mode = 1
 use_collision = true
 radius = 60000.0
@@ -62,6 +61,11 @@ layers = 4
 size = Vector3(100000, 30000, 10000)
 material = ExtResource("3_yw1ox")
 
+[node name="AutoRange" type="Node" parent="InnerPyramid"]
+script = ExtResource("4_kox75")
+end_margin_pct = 0.01
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"
+
 [node name="WorldFloor" type="MeshInstance3D" parent="."]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 50000, 0, 50000)
 layers = 4
@@ -72,6 +76,11 @@ mesh = SubResource("PlaneMesh_pko82")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="WorldFloor/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_ek7o7")
 
+[node name="AutoRange" type="Node" parent="WorldFloor"]
+script = ExtResource("4_kox75")
+end_margin_pct = 0.01
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"
+
 [node name="MetroGridLayer" parent="." instance=ExtResource("4_fy7wq")]
 simple_construct_threshold = 0.3
 bounding_box = AABB(0, 0, 0, 99497, 100, 503)

src/world/generation/feature/arcology/empty.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=4 format=3 uid="uid://dawv6mbpr4d3c"]
+[gd_scene load_steps=5 format=3 uid="uid://dawv6mbpr4d3c"]
 
 [ext_resource type="Script" uid="uid://drk82eeqk2mjs" path="res://src/world/generation/feature/generation_feature.gd" id="1_ydt4o"]
+[ext_resource type="Script" uid="uid://cv0o1lirqeq44" path="res://src/util/auto_range.gd" id="2_q70le"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_ydt4o"]
 size = Vector2(100000, 100000)
@@ -21,3 +22,8 @@ mesh = SubResource("PlaneMesh_ydt4o")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="WorldFloor/StaticBody3D"]
 shape = SubResource("ConcavePolygonShape3D_q70le")
+
+[node name="AutoRange" type="Node" parent="WorldFloor"]
+script = ExtResource("2_q70le")
+lod_level = 1
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"

src/world/generation/feature/metro/metro_construct_simple/metro_construct_simple.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=4 format=3 uid="uid://beno0v5dxtwqs"]
+[gd_scene load_steps=5 format=3 uid="uid://beno0v5dxtwqs"]
 
 [ext_resource type="Script" uid="uid://dq5xadqwyspyh" path="res://src/world/generation/feature/metro/metro_construct_simple/metro_construct_simple.gd" id="1_jv74y"]
+[ext_resource type="Script" uid="uid://cv0o1lirqeq44" path="res://src/util/auto_range.gd" id="2_74b57"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_lhl33"]
 size = Vector2(64, 64)
@@ -24,9 +25,19 @@ mesh = SubResource("PlaneMesh_lhl33")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="WorldFloor/StaticBody3D"]
 shape = SubResource("ConvexPolygonShape3D_y2o1w")
 
+[node name="AutoRange" type="Node" parent="WorldFloor"]
+script = ExtResource("2_74b57")
+lod_level = 1
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"
+
 [node name="ConstructBox" type="CSGBox3D" parent="."]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 32, 24, 32)
 layers = 2
 use_collision = true
 size = Vector3(48, 48, 48)
+
+[node name="AutoRange" type="Node" parent="ConstructBox"]
+script = ExtResource("2_74b57")
+lod_level = 1
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"

src/world/generation/feature/metro/metro_empty.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=4 format=3 uid="uid://cgvg7n525g18l"]
+[gd_scene load_steps=5 format=3 uid="uid://cgvg7n525g18l"]
 
 [ext_resource type="Script" uid="uid://drk82eeqk2mjs" path="res://src/world/generation/feature/generation_feature.gd" id="1_e5j5s"]
+[ext_resource type="Script" uid="uid://cv0o1lirqeq44" path="res://src/util/auto_range.gd" id="2_xbnbu"]
 
 [sub_resource type="PlaneMesh" id="PlaneMesh_e5j5s"]
 size = Vector2(64, 64)
@@ -22,3 +23,8 @@ mesh = SubResource("PlaneMesh_e5j5s")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="WorldFloor/StaticBody3D"]
 shape = SubResource("ConvexPolygonShape3D_e5j5s")
+
+[node name="AutoRange" type="Node" parent="WorldFloor"]
+script = ExtResource("2_xbnbu")
+lod_level = 1
+metadata/_custom_type_script = "uid://cv0o1lirqeq44"

src/world/generation/worldgen_manager/worldgen_manager.gd

@@ -6,9 +6,9 @@ class_name WorldGenManagerType extends Node
 ## Generate features with the lowest detail, like large distant structures, within this radius
 @export var low_detail_radius := 100000.0
 ## Generate features with medium detail, like buildings, within this radius
-@export var med_detail_radius := 1024.0
+@export var med_detail_radius := 8192.0
 ## Generate features with high detail, like small complicated objects, within this radius
-@export var high_detail_radius := 64.0
+@export var high_detail_radius := 128.0
 
 
 ## Get the world-space coordinate to generate around.

src/world/generation/worldgen_manager/worldgen_manager.tscn

@@ -10,5 +10,4 @@ offset = Vector3(1024, 1024, 1024)
 [node name="WorldGenManager" type="Node"]
 script = ExtResource("1_7xvag")
 noise = SubResource("FastNoiseLite_7xvag")
-med_detail_radius = 8192.0
 metadata/_custom_type_script = "uid://7frynyj4vspc"