feat: implement modular state-based player movement system with chain mechanics

characters/player/fps_camera_rig.gd

@@ -57,10 +57,8 @@ func _process(delta: float) -> void:
 	var hspeed := Vector2(player.velocity.x, player.velocity.z).length()
 
 	# Dash FOV (highest priority)
-	if hspeed > params.dash_speed * 0.8:
+	if hspeed > params.walk_speed * 1.5:
 		_target_fov = params.dash_fov
-	elif hspeed > params.sprint_speed * 0.8:
-		_target_fov = params.sprint_fov
 
 	camera.fov = lerpf(camera.fov, _target_fov, 1.0 - exp(-params.fov_lerp_speed * delta))
 

debug/test_level_builder.gd

@@ -61,7 +61,6 @@ func _ramp_static(pos: Vector3, size: Vector3, rot_deg: Vector3, color: Color, n
 func _build_input_map() -> void:
 	var bindings := {
 		"jump": [KEY_SPACE],
-		"sprint": [KEY_SHIFT],
 		"crouch": [KEY_CTRL],
 		"dash": [KEY_SHIFT],
 		"fire": [MOUSE_BUTTON_LEFT],

movement/movement_params.gd

@@ -2,8 +2,7 @@ extends Resource
 class_name MovementParams
 
 # ── Ground ────────────────────────────────────────────────────────────────────
-@export var walk_speed: float = 7.0
+@export var walk_speed: float = 11.0
-@export var sprint_speed: float = 11.0
 @export var crouch_speed: float = 4.0
 @export var ground_friction: float = 10.0
 @export var ground_acceleration: float = 50.0
@@ -82,7 +81,6 @@ class_name MovementParams
 # ── Camera ────────────────────────────────────────────────────────────────────
 @export var mouse_sensitivity: float = 0.002
 @export var base_fov: float = 90.0
-@export var sprint_fov: float = 100.0
 @export var dash_fov: float = 110.0
 @export var fov_lerp_speed: float = 10.0
 @export var head_bob_frequency: float = 12.0

movement/movement_state_machine.gd

@@ -18,7 +18,6 @@ var input_dir: Vector2 = Vector2.ZERO
 var wish_dir_world: Vector3 = Vector3.ZERO
 var input_jump_pressed: bool = false
 var input_jump_just_pressed: bool = false
-var input_sprint: bool = false
 var input_crouch: bool = false
 var input_dash: bool = false
 

movement/player_movement_controller.gd

@@ -46,7 +46,6 @@ func _physics_process(_delta: float) -> void:
 	# Poll input in _physics_process so it's synchronized with the state machine tick
 	sm.input_jump_just_pressed = Input.is_action_just_pressed("jump")
 	sm.input_jump_pressed = Input.is_action_pressed("jump")
-	sm.input_sprint = Input.is_action_pressed("sprint")
 	sm.input_crouch = Input.is_action_pressed("crouch")
 	sm.input_dash = Input.is_action_just_pressed("dash")
 

movement/states/state_ground.gd

@@ -58,8 +58,6 @@ func update(delta: float) -> void:
 	var speed := params.walk_speed
 	if machine.input_crouch:
 		speed = params.crouch_speed
-	elif machine.input_sprint and wish_dir.length_squared() > 0.01:
-		speed = params.sprint_speed
 	var effective_speed := machine.get_effective_speed(speed)
 
 	# ── Horizontal movement (exponential interpolation for smoothness) ───