player controller logic

README.md

@@ -0,0 +1,7 @@
+TODO:
+
+Controller/possession refactor (input out of Boat).
+WeaponDef resource + WeaponSlot + one dumb gun that prints instead of shooting.
+Projectile base (with group self-registration) + real firing.
+Loadout-driven mounting.
+Second boat scene to prove the whole seam.

boat.tscn

@@ -12,7 +12,7 @@ roughness = 0.9
 [sub_resource type="BoxShape3D" id="BoxShape_crate"]
 size = Vector3(1, 1, 5)
 
-[node name="PlayerBoat" type="RigidBody3D" unique_id=1387061778 groups=["shift_with_origin"]]
+[node name="Boat" type="RigidBody3D" unique_id=1387061778 groups=["shift_with_origin"]]
 collision_layer = 2
 mass = 5.0
 script = ExtResource("1_7h74f")

main.tscn

@@ -1,10 +1,11 @@
 [gd_scene format=3 uid="uid://jven27ktracb"]
 
 [ext_resource type="PackedScene" uid="uid://c6n3dg530t8oc" path="res://ocean.tscn" id="1_lquwl"]
-[ext_resource type="PackedScene" uid="uid://cieiwihia8t2w" path="res://player_boat.tscn" id="2_7mycd"]
+[ext_resource type="PackedScene" uid="uid://cieiwihia8t2w" path="res://boat.tscn" id="2_7mycd"]
 [ext_resource type="Script" uid="uid://46jiwugeccqg" path="res://scripts/camera_rig.gd" id="4_1bvp3"]
 [ext_resource type="PackedScene" uid="uid://conoykdb1g38n" path="res://hud.tscn" id="4_272bh"]
 [ext_resource type="Script" uid="uid://dpohf1tg5e2gs" path="res://scripts/world_manager.gd" id="6_7mycd"]
+[ext_resource type="Script" uid="uid://bxk0exu40a25x" path="res://scripts/player_controller.gd" id="6_272bh"]
 
 [sub_resource type="ProceduralSkyMaterial" id="SkyMaterial_1"]
 sky_horizon_color = Color(0.66, 0.67, 0.68, 1)
@@ -48,24 +49,28 @@ surface_material_override/0 = SubResource("Material_seabed")
 [node name="CollisionShape3D" type="CollisionShape3D" parent="Seabed" unique_id=111957760]
 shape = SubResource("BoxShape_seabed")
 
-[node name="PlayerBoat" parent="." unique_id=1387061778 instance=ExtResource("2_7mycd")]
+[node name="Boat" parent="." unique_id=1387061778 instance=ExtResource("2_7mycd")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3, 0)
 
-[node name="CameraRig" type="Node3D" parent="." unique_id=2139913829 node_paths=PackedStringArray("target", "cam") groups=["shift_with_origin"]]
+[node name="CameraRig" type="Node3D" parent="." unique_id=2139913829 node_paths=PackedStringArray("cam") groups=["shift_with_origin"]]
 transform = Transform3D(1, 0, 0, 0, 0.9396926, 0.34202012, 0, -0.34202012, 0.9396926, 0, 0, 0)
 script = ExtResource("4_1bvp3")
-target = NodePath("../PlayerBoat")
 cam = NodePath("PlayerCamera")
 
 [node name="PlayerCamera" type="Camera3D" parent="CameraRig" unique_id=553919400]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 8)
 
-[node name="Hud" parent="." unique_id=167273188 node_paths=PackedStringArray("boat", "world") instance=ExtResource("4_272bh")]
+[node name="Hud" parent="." unique_id=167273188 node_paths=PackedStringArray("world") instance=ExtResource("4_272bh")]
-boat = NodePath("../PlayerBoat")
 world = NodePath("../WorldManager")
 
-[node name="WorldManager" type="Node" parent="." unique_id=1879897241 node_paths=PackedStringArray("focus", "ocean")]
+[node name="WorldManager" type="Node" parent="." unique_id=1879897241 node_paths=PackedStringArray("ocean")]
 script = ExtResource("6_7mycd")
-focus = NodePath("../PlayerBoat")
 ocean = NodePath("../Ocean")
 shift_threshold = 50.0
+
+[node name="PlayerController" type="Node" parent="." unique_id=2011077099 node_paths=PackedStringArray("current_controlled", "world_manager", "camera_rig", "hud")]
+script = ExtResource("6_272bh")
+current_controlled = NodePath("../Boat")
+world_manager = NodePath("../WorldManager")
+camera_rig = NodePath("../CameraRig")
+hud = NodePath("../Hud")

scripts/boat.gd

@@ -1,27 +1,19 @@
 class_name Boat
 extends FloatingBody
 
-## All force values are per-kilogram (they get multiplied by mass), so the
+## All values multiplied by mass, handling the same regardless of it
-## boat handles the same if you change its mass later.
 @export var engine_power := 12.0        # forward thrust, m/s² at full throttle
 @export var reverse_ratio := 0.4        # reverse is weaker, like a real prop
 @export var throttle_response := 1.5    # how fast the engine spools up/down
 @export var rudder_strength := 2.5      # turning torque at speed
 @export var keel_grip := 3.0            # resistance to sliding sideways
 
-var desired_throttle := 0.0
+var desired_throttle := 0.0		# move_toward target for actual throttle
+var steer_input := 0.0
 var throttle := 0.0
 
-
 func _physics_process(delta: float) -> void:
 	super(delta)
-
-	if Input.is_action_pressed("throttle_increase"):
-		desired_throttle = move_toward(desired_throttle, 1, 0.005)
-	elif Input.is_action_pressed("throttle_decrease"):
-		desired_throttle = move_toward(desired_throttle, -1, 0.006)
-	elif Input.is_action_pressed("throttle_stop"):
-		desired_throttle = 0.0
 	
 	throttle = move_toward(throttle, desired_throttle, throttle_response * delta)
 
@@ -38,7 +30,6 @@ func _physics_process(delta: float) -> void:
 	apply_central_force(forward * throttle * power * mass * submerged_ratio)
 
 	# --- rudder: only bites when water flows past it ---
-	var steer_input := Input.get_axis("rudder_right", "rudder_left")
 	var forward_speed := linear_velocity.dot(forward)
 	var rudder_bite := clampf(forward_speed / 3.0, -1.0, 1.0)
 	apply_torque(Vector3.UP * steer_input * rudder_strength * rudder_bite * mass * submerged_ratio)

scripts/camera_rig.gd

@@ -1,10 +1,12 @@
+class_name CameraRig
 extends Node3D
 
-@export var target: Node3D
 @export var sensitivity := 0.005
 @export var follow_speed := 5.0
 @export var cam: Camera3D
 
+var target: Node3D # Controlled by PlayerController
+
 var _dragging := false
 
 

scripts/hud.gd

@@ -4,11 +4,12 @@ extends CanvasLayer
 ## The HUD's only inputs. Everything inside hud.tscn gets its references
 ## from here -- nothing inside the scene reaches out on its own.
 
-@export var boat: Boat:
+var boat: Boat:					# Controlled by PlayerController TODO: Testing values, different label for different types
 	set(value):
 		boat = value
 		if is_node_ready():
 			_distribute()
+
 @export var world: WorldManager:
 	set(value):
 		world = value

scripts/player_controller.gd

@@ -0,0 +1,58 @@
+class_name PlayerController
+extends Node
+
+@export var current_controlled : Boat:
+	set(value):
+		current_controlled = value
+		if is_node_ready():
+			if current_controlled != null:
+				desired_throttle = current_controlled.throttle
+			_possess()
+
+@export var world_manager : WorldManager:
+	set(value):
+		world_manager = value
+		if is_node_ready():
+			_possess()
+
+@export var camera_rig : CameraRig:
+	set(value):
+		camera_rig = value
+		if is_node_ready():
+			_possess()
+
+@export var hud : Hud:
+	set(value):
+		hud = value
+		if is_node_ready():
+			_possess()
+
+@export var throttle_ramp := 0.5
+
+var desired_throttle := 0.0
+
+func _ready() -> void:
+	if current_controlled != null: # Only happens on intial loading if boat already moves
+		desired_throttle = current_controlled.throttle
+	_possess()
+
+func _process(delta: float) -> void:
+	if current_controlled == null:
+		return
+
+	if Input.is_action_pressed("throttle_increase"):
+		desired_throttle = move_toward(desired_throttle, 1, throttle_ramp * delta)
+	elif Input.is_action_pressed("throttle_decrease"):
+		desired_throttle = move_toward(desired_throttle, -1, throttle_ramp * delta)
+	elif Input.is_action_pressed("throttle_stop"):
+		desired_throttle = 0.0
+		
+	var steer_input := Input.get_axis("rudder_right", "rudder_left")
+
+	current_controlled.desired_throttle = desired_throttle
+	current_controlled.steer_input = steer_input
+	
+func _possess() -> void:
+	camera_rig.target = current_controlled
+	world_manager.focus = current_controlled
+	hud.boat = current_controlled

scripts/player_controller.gd.uid

@@ -0,0 +1 @@
+uid://bxk0exu40a25x

scripts/stats_label.gd

@@ -14,11 +14,13 @@ func _process(_delta: float) -> void:
 	var speed := boat.linear_velocity.dot(forward.normalized())
 	var pos := world.true_position(boat)
 
-	text = "Throttle:  %+.0f %%
+	text = "Desired Throttle:  %+.0f %%
+Actual Throttle:  %+.0f %%
 Speed:     %.1f m/s
 Submerged: %.0f %%
 Position:  (%.0f, %.0f)
 " % [
+		boat.desired_throttle * 100.0,
 		boat.throttle * 100.0,
 		speed,
 		boat.submerged_ratio * 100.0,

scripts/world_manager.gd

@@ -5,7 +5,6 @@ extends Node
 ## recenters scenery in the follow_focus group, and shifts the origin
 ## (teleporting the shift_with_origin group) before float precision degrades.
 
-@export var focus: Node3D                # the boat
 @export var ocean: Ocean
 ## Distance from origin that triggers an origin shift.
 @export var shift_threshold := 2048.0
@@ -16,6 +15,8 @@ extends Node
 ## True world position of the current local origin (grows over a long voyage).
 var origin_offset := Vector3.ZERO
 
+var focus: Node3D # Controlled by PlayerController
+
 
 func true_position(node: Node3D) -> Vector3:
 	return node.global_position + origin_offset