feat: add npc simulation, instancing and visual scene

main.tscn

@@ -1,8 +1,10 @@
-[gd_scene load_steps=10 format=3 uid="uid://rs3hv73svbpa"]
+[gd_scene load_steps=12 format=3 uid="uid://rs3hv73svbpa"]
 
-[ext_resource type="Script" uid="uid://4mg67crlim53" path="res://scenes/player/player.gd" id="1_o5qli"]
+[ext_resource type="Script" uid="uid://4mg67crlim53" path="res://player/player.gd" id="1_h2yge"]
-[ext_resource type="Script" uid="uid://ii8ai801jur2" path="res://scenes/player/camera_rig.gd" id="2_0wfyh"]
+[ext_resource type="Script" uid="uid://ii8ai801jur2" path="res://player/camera_rig.gd" id="2_1bvp3"]
-[ext_resource type="Script" uid="uid://dbb25ttlyogqr" path="res://scripts/simulation/SimulationManager.gd" id="3_sugp2"]
+[ext_resource type="Script" uid="uid://dbb25ttlyogqr" path="res://simulation/SimulationManager.gd" id="3_lquwl"]
+[ext_resource type="Script" uid="uid://c1f3b26n4yntf" path="res://world/world_view_manager.gd" id="4_1bvp3"]
+[ext_resource type="PackedScene" uid="uid://dhxxyprqflotq" path="res://player/npc/NpcVisual.tscn" id="5_lquwl"]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_o5qli"]
 albedo_color = Color(0.16862746, 0.52156866, 0.30588236, 1)
@@ -38,7 +40,7 @@ material_override = SubResource("StandardMaterial3D_o5qli")
 mesh = SubResource("BoxMesh_sgp6g")
 
 [node name="Player" type="CharacterBody3D" parent="." node_paths=PackedStringArray("camera_rig")]
-script = ExtResource("1_o5qli")
+script = ExtResource("1_h2yge")
 camera_rig = NodePath("../CameraRig")
 
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Player"]
@@ -55,7 +57,7 @@ mesh = SubResource("BoxMesh_0wfyh")
 
 [node name="CameraRig" type="Node3D" parent="." node_paths=PackedStringArray("target")]
 transform = Transform3D(1, 0, 0, 0, 0.57357645, 0.81915206, 0, -0.81915206, 0.57357645, 0, 10, 8)
-script = ExtResource("2_0wfyh")
+script = ExtResource("2_1bvp3")
 target = NodePath("../Player")
 follow_speed = 8.0
 deadzone_right = 2.0
@@ -66,11 +68,17 @@ current = true
 fov = 65.0
 
 [node name="SimulationManager" type="Node" parent="."]
-script = ExtResource("3_sugp2")
+script = ExtResource("3_lquwl")
 
-[node name="WorldViewManager" type="Node" parent="."]
+[node name="WorldViewManager" type="Node" parent="." node_paths=PackedStringArray("simulation_manager", "active_npcs_parent")]
+script = ExtResource("4_1bvp3")
+npc_visual_scene = ExtResource("5_lquwl")
+simulation_manager = NodePath("../SimulationManager")
+active_npcs_parent = NodePath("../ActiveNPCs")
 
 [node name="EventBus" type="Node" parent="."]
 
 [node name="WorldEnvironment" type="WorldEnvironment" parent="."]
 environment = SubResource("Environment_o5qli")
+
+[node name="ActiveNPCs" type="Node3D" parent="."]

player/npc/NpcVisual.gd

@@ -0,0 +1,11 @@
+extends CharacterBody3D
+
+var sim_id: int = -1
+var npc_name: String = ""
+var profession: String = ""
+
+func setup_from_sim(npc: SimNPC) -> void:
+	sim_id = npc.id
+	npc_name = npc.npc_name
+	profession = npc.profession
+	name = "NPC_%s_%s" % [sim_id, npc_name]

player/npc/NpcVisual.gd.uid

@@ -0,0 +1 @@
+uid://bha8uf40p3sa0

player/npc/NpcVisual.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=6 format=3 uid="uid://dhxxyprqflotq"]
+
+[ext_resource type="Script" uid="uid://bha8uf40p3sa0" path="res://player/npc/NpcVisual.gd" id="1_ixfoq"]
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_d844k"]
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_d844k"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_d844k"]
+albedo_color = Color(1, 0.22352941, 1, 1)
+
+[sub_resource type="BoxMesh" id="BoxMesh_d844k"]
+material = SubResource("StandardMaterial3D_d844k")
+
+[node name="NpcVisual" type="CharacterBody3D"]
+script = ExtResource("1_ixfoq")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.85, 0)
+shape = SubResource("CapsuleShape3D_d844k")
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.85, 0)
+mesh = SubResource("CapsuleMesh_d844k")
+
+[node name="FaceMarker" type="MeshInstance3D" parent="."]
+transform = Transform3D(0.15, 0, 0, 0, 0.15, 0, 0, 0, 0.35, 0, 1.2, -0.5)
+mesh = SubResource("BoxMesh_d844k")

simulation/SimNPC.gd

@@ -9,6 +9,7 @@ var energy: float
 var strength: float
 var intelligence: float
 var current_task: String = "idle"
+var position: Vector3
 
 func _init(
 	_id: int,
@@ -25,6 +26,8 @@ func _init(
 	hunger = randf_range(20.0, 80.0)
 	energy = randf_range(40.0, 100.0)
 
+	position = Vector3(randf_range(-8.0, 8.0), 0.0, randf_range(-8.0, 8.0))
+
 func simulate_tick() -> void:
 	hunger += 5.0
 	energy -= 2.0

world/world_view_manager.gd

@@ -0,0 +1,34 @@
+extends Node
+
+@export var npc_visual_scene: PackedScene
+@export var simulation_manager: Node
+@export var active_npcs_parent: Node3D
+
+var active_npc_visuals := {} # sim_id -> NPCVisual
+
+func _ready() -> void:
+	call_deferred("spawn_initial_npcs")
+
+func spawn_initial_npcs() -> void:
+	if simulation_manager == null:
+		push_error("WorldViewManager: simulation_manager is missing")
+		return
+
+	if npc_visual_scene == null:
+		push_error("WorldViewManager: npc_visual_scene is missing")
+		return
+
+	for npc in simulation_manager.npcs:
+		spawn_npc_visual(npc)
+
+func spawn_npc_visual(npc: SimNPC) -> void:
+	if active_npc_visuals.has(npc.id):
+		return
+
+	var visual := npc_visual_scene.instantiate()
+	active_npcs_parent.add_child(visual)
+
+	visual.global_position = npc.position
+	visual.setup_from_sim(npc)
+
+	active_npc_visuals[npc.id] = visual

world/world_view_manager.gd.uid

@@ -0,0 +1 @@
+uid://c1f3b26n4yntf