261 lines
6.8 KiB
GDScript
261 lines
6.8 KiB
GDScript
extends CharacterBody3D
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signal arrived_at_target(sim_id: int)
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signal navigation_failed(sim_id: int)
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signal position_changed(sim_id: int, active_position: Vector3)
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const DEBUG_LOGS := true
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@export var move_speed := 3.0
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@export var rotation_speed := 8.0
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@export var waypoint_reached_distance := 0.35
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@export var stuck_timeout := 1.5
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@onready var nav_agent: NavigationAgent3D = $NavigationAgent3D
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@onready var body_mesh: MeshInstance3D = $MeshInstance3D
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@onready var profession_prop: MeshInstance3D = $ProfessionProp
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@onready var profession_label: Label3D = $ProfessionLabel
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@onready var carried_food_visual: MeshInstance3D = $CarriedFood
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var has_reported_arrival := false
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var sim_id: int = -1
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var npc_name: String = ""
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var profession: StringName
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var current_path: PackedVector3Array = []
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var path_index := 0
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var current_target := Vector3.INF
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var arrival_distance := 0.6
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var stuck_time := 0.0
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var path_request_id := 0
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var path_pending := false
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var is_dead_visual := false
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var dead_material := StandardMaterial3D.new()
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func debug_log(message: String) -> void:
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if DEBUG_LOGS:
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print("[NPCVisual] ", name, " | ", message)
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func _ready() -> void:
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dead_material.albedo_color = Color(0.25, 0.25, 0.25, 1.0)
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func setup_from_sim(npc: SimNPC) -> void:
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sim_id = npc.id
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npc_name = npc.npc_name
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profession = npc.profession
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name = "NPC_%s_%s" % [sim_id, npc_name]
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_apply_profession_presentation()
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set_carried_food_visible(npc.get_inventory_amount(SimulationIds.RESOURCE_FOOD) > 0.0)
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func _apply_profession_presentation() -> void:
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var definition := SimulationDefinitions.get_profession(profession)
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if definition == null:
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profession_label.text = npc_name
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profession_prop.visible = false
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return
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var body_material := StandardMaterial3D.new()
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body_material.albedo_color = definition.visual_color
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body_material.roughness = 0.82
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body_mesh.material_override = body_material
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var prop_material := StandardMaterial3D.new()
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prop_material.albedo_color = definition.prop_color
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prop_material.roughness = 0.78
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profession_prop.material_override = prop_material
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profession_prop.mesh = _create_profession_prop_mesh()
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profession_prop.visible = profession_prop.mesh != null
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profession_label.text = "%s\n%s" % [npc_name, definition.display_name]
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func _create_profession_prop_mesh() -> PrimitiveMesh:
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profession_prop.position = Vector3(0.48, 0.85, 0.0)
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profession_prop.rotation_degrees = Vector3.ZERO
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match profession:
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SimulationIds.PROFESSION_FARMER:
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var basket := SphereMesh.new()
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basket.radius = 0.24
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basket.height = 0.34
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return basket
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SimulationIds.PROFESSION_WOODCUTTER:
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var tool := BoxMesh.new()
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tool.size = Vector3(0.12, 0.72, 0.16)
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profession_prop.position = Vector3(0.48, 0.92, 0.0)
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profession_prop.rotation_degrees.z = -18.0
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return tool
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SimulationIds.PROFESSION_GUARD:
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var shield := CylinderMesh.new()
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shield.top_radius = 0.3
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shield.bottom_radius = 0.3
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shield.height = 0.12
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profession_prop.rotation_degrees.x = 90.0
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return shield
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SimulationIds.PROFESSION_SCHOLAR:
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var book := BoxMesh.new()
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book.size = Vector3(0.42, 0.1, 0.3)
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return book
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SimulationIds.PROFESSION_WANDERER:
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var pack := SphereMesh.new()
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pack.radius = 0.28
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pack.height = 0.5
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profession_prop.position = Vector3(-0.42, 0.86, 0.0)
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return pack
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return null
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func set_carried_food_visible(is_visible: bool) -> void:
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carried_food_visual.visible = is_visible and not is_dead_visual
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func set_target_position(pos: Vector3) -> void:
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path_request_id += 1
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var request_id := path_request_id
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current_target = pos
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has_reported_arrival = false
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stuck_time = 0.0
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path_pending = false
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if global_position.distance_to(pos) <= arrival_distance:
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current_path = PackedVector3Array()
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path_index = 0
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debug_log("Already close to target, will report arrival")
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return
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nav_agent.target_position = pos
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path_pending = true
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await get_tree().physics_frame
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if request_id != path_request_id or is_dead_visual:
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return
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current_path = NavigationServer3D.map_get_path(
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get_world_3d().navigation_map, global_position, pos, true
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)
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path_pending = false
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path_index = 0
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if current_path.is_empty():
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debug_log("Path is empty")
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_report_navigation_failure_once()
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else:
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debug_log("New target: %s Path points: %s" % [pos, current_path.size()])
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func _physics_process(delta: float) -> void:
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if is_dead_visual:
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velocity = Vector3.ZERO
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move_and_slide()
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return
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if current_target == Vector3.INF:
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velocity = Vector3.ZERO
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move_and_slide()
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return
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if path_pending:
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velocity = Vector3.ZERO
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move_and_slide()
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return
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if global_position.distance_to(current_target) <= arrival_distance:
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_report_arrival_once()
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velocity = Vector3.ZERO
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move_and_slide()
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return
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if current_path.is_empty() or path_index >= current_path.size():
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velocity = Vector3.ZERO
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move_and_slide()
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_report_navigation_failure_once()
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return
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var next_pos := current_path[path_index]
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var flat_next_pos := Vector3(next_pos.x, global_position.y, next_pos.z)
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var to_next := flat_next_pos - global_position
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if to_next.length() <= waypoint_reached_distance:
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path_index += 1
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return
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var direction := to_next.normalized()
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var prev_pos := global_position
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velocity.x = direction.x * move_speed
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velocity.z = direction.z * move_speed
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velocity.y = 0.0
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move_and_slide()
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if not global_position.is_equal_approx(prev_pos):
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position_changed.emit(sim_id, global_position)
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var minimum_progress := move_speed * delta * 0.1
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if global_position.distance_squared_to(prev_pos) < minimum_progress * minimum_progress:
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stuck_time += delta
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if stuck_time >= stuck_timeout:
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debug_log("Movement remained blocked")
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_report_navigation_failure_once()
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return
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else:
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stuck_time = 0.0
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var target_angle := atan2(direction.x, direction.z)
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rotation.y = lerp_angle(rotation.y, target_angle, rotation_speed * delta)
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func _report_arrival_once() -> void:
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if has_reported_arrival:
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return
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has_reported_arrival = true
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current_path = PackedVector3Array()
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path_index = 0
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debug_log("Arrived at target")
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arrived_at_target.emit(sim_id)
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func _report_navigation_failure_once() -> void:
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if has_reported_arrival:
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return
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has_reported_arrival = true
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current_path = PackedVector3Array()
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path_index = 0
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current_target = Vector3.INF
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path_pending = false
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velocity = Vector3.ZERO
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debug_log("Navigation failed")
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navigation_failed.emit(sim_id)
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func apply_dead_visual_state() -> void:
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is_dead_visual = true
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carried_food_visual.visible = false
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profession_prop.visible = false
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path_request_id += 1
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velocity = Vector3.ZERO
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current_path = PackedVector3Array()
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path_index = 0
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current_target = Vector3.INF
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path_pending = false
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has_reported_arrival = true
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scale = Vector3(0.8, 0.25, 1.2)
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rotation_degrees.x = 90.0
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for child in get_children():
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if child is MeshInstance3D:
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child.material_override = dead_material
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collision_layer = 0
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collision_mask = 0
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debug_log("Applied dead visual state")
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