update action between walk and swim

player/player.gd

@@ -1,7 +1,7 @@
 extends CharacterBody3D
 
 
-enum StatePlayer {FLY = 0, SWIM = 1, WALK = 2}
+enum StatePlayer {FLY = 0, SWIM = 1, WALK = 2, WALK_WATER=3}
 
 # Constant
 const SPEED_WALK_UP = 5.0
@@ -27,6 +27,7 @@ const JUMP_FORCE = 4.5
 
 const MUL_SPEED_FLY = 2.0
 const MUL_SPEED_SWIM = 0.5
+const FACTOR_WALK_WATER = 0.3
 
 # Get the gravity from the project settings to be synced with RigidDynamicBody nodes.
 var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")
@@ -78,6 +79,7 @@ var player_automove:bool = false
 
 var state_player:StatePlayer = StatePlayer.WALK
 var level_water:float
+var heigh_underwater = 1.0
 @onready var camera_fps:Camera3D = $camera_root/Camera3D_FPS_WALK
 
 
@@ -86,6 +88,10 @@ func switch_state(new_state):
 		return
 	state_player = new_state
 	match state_player:
+		StatePlayer.WALK_WATER:
+			print("switch camera WALK_WATER")
+			$carpet.hide()
+			camera_fps = $camera_root/Camera3D_FPS_WALK
 		StatePlayer.WALK:
 			print("switch camera WALK")
 			$carpet.hide()
@@ -238,6 +244,12 @@ func _input(event):
 func _physics_process(delta):
 	# Add the gravity.
 	match state_player:
+		StatePlayer.WALK_WATER:
+			if get_position().y > level_water - heigh_underwater:
+				_physics_process_walk_water(delta)
+			else:
+				switch_state(StatePlayer.SWIM)
+				_physics_process_swim(delta)
 		StatePlayer.WALK:
 			_physics_process_walk(delta)
 		StatePlayer.FLY:
@@ -374,6 +386,134 @@ func _physics_process_walk(delta):
 	move_and_slide()
 
 
+func _physics_process_walk_water(delta):
+	var input_dir: Vector2
+	var input_x: float
+	var input_y: float
+	var speed: float
+	var move_up:bool = false
+	var move_down:bool = false
+	var move_strafe: bool = false
+
+	#print(get_position())
+	# Add the gravity.
+	if not is_on_floor():
+		motion_velocity.y -= gravity * delta
+
+	# Handle Jump.
+#	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+#		motion_velocity.y = JUMP_FORCE
+
+	# Get the input direction and handle the movement/deceleration.
+	if Input.is_action_pressed("ui_strafe"):
+		if Input.is_action_pressed("ui_left"):
+			input_x = 1.0
+			move_strafe = true
+		elif Input.is_action_pressed("ui_right"):
+			input_x = -1.0
+			move_strafe = true
+	else:
+		var y = 0
+		if Input.is_action_pressed("ui_right"):
+			y -= 1
+		if Input.is_action_pressed("ui_left"):
+			y += 1
+		if y != 0:
+			var dt = y * delta * SPEED_ROTATE
+			if tps:
+				camera_rotate_y += dt
+				if camera_rotate_y > PI:
+					camera_rotate_y -= TAU
+				elif camera_rotate_y <= -PI:
+					camera_rotate_y += TAU
+				$camera_root/horizontal_root.rotate_y( dt )
+			else:
+				player_rotate_y += dt
+				if player_rotate_y > PI:
+					player_rotate_y -= TAU
+				elif player_rotate_y <= -PI:
+					player_rotate_y += TAU
+				camera_rotate_y = player_rotate_y
+				rotate_y( dt )
+		# Disable vector on ui_right/ui_left (used to rotate and not strafe)
+		input_x = 0
+	if Input.is_action_pressed("ui_up"):
+		input_y = 1.0
+		move_up = true
+		player_automove = false
+	elif Input.is_action_pressed("ui_down"):
+		player_automove = false
+		input_y = -1.0
+		move_down = true
+	elif player_automove:
+		input_y = 1.0
+		move_up = true
+
+	if is_run:
+		if move_strafe:
+			if move_up:
+				speed = SPEED_RUN_UP_STRAFE
+				switch_animation(anim_run)
+			elif move_down:
+				speed = SPEED_RUN_DOWN_STRAFE
+				switch_animation(anim_run_backward)
+			else:
+				speed = SPEED_RUN_STRAFE
+				if input_x > 0.0:
+					switch_animation(anim_strafe_left_walk)
+				else:
+					switch_animation(anim_strafe_right_walk)
+		elif move_up:
+			speed = SPEED_RUN_UP
+			switch_animation(anim_run)
+		else:
+			speed = SPEED_RUN_DOWN
+			if move_down:
+				switch_animation(anim_run_backward)
+			else:
+				switch_animation(anim_idle)
+	else:
+		if move_strafe:
+			if move_up:
+				speed = SPEED_WALK_UP_STRAFE
+				switch_animation(anim_walk)
+			elif move_down:
+				speed = SPEED_WALK_DOWN_STRAFE
+				switch_animation(anim_walk_backward)
+			else:
+				speed = SPEED_WALK_STRAFE
+				if input_x > 0.0:
+					switch_animation(anim_strafe_left_walk)
+				else:
+					switch_animation(anim_strafe_right_walk)
+		elif move_up:
+			speed = SPEED_WALK_UP
+			switch_animation(anim_walk)
+		else:
+			speed = SPEED_WALK_DOWN
+			if move_down:
+				switch_animation(anim_walk_backward)
+			else:
+				switch_animation(anim_idle)
+	if input_x == 0.0 and input_y == 0.0:
+		if player_sit:
+			switch_animation(anim_sitting_ground_idle)
+		else:
+			switch_animation(anim_idle)
+
+	var direction = (transform.basis * Vector3(input_x, 0, input_y)).normalized()
+	if direction:
+		motion_velocity.x = direction.x * speed * FACTOR_WALK_WATER
+		motion_velocity.z = direction.z * speed * FACTOR_WALK_WATER
+	else:
+		motion_velocity.x = move_toward(motion_velocity.x, 0, speed * FACTOR_WALK_WATER)
+		motion_velocity.z = move_toward(motion_velocity.z, 0, speed * FACTOR_WALK_WATER)
+
+	#print("pos:", get_floor_angle(), " - ", get_wall_min_slide_angle(), " - ", get_floor_max_angle())
+	#motion_velocity.y = 0.5
+	move_and_slide()
+
+
 func _physics_process_fly(delta):
 	var input_dir: Vector2
 	var input_x: float
@@ -633,10 +773,14 @@ func _physics_process_swim(delta):
 		var tmp = get_position()
 		tmp.y = level_water
 		set_position(tmp)
+	elif col == true and get_position().y >= level_water - heigh_underwater:
+		switch_state(StatePlayer.WALK_WATER)
 
 
 func _process( delta ):
 	match state_player:
+		StatePlayer.WALK_WATER:
+			_process_walk(delta)
 		StatePlayer.WALK:
 			_process_walk(delta)
 		StatePlayer.FLY:
@@ -679,7 +823,7 @@ func _process_walk( delta ):
 func enter_underwater():
 	# function called by Area3D (Water Object)
 	level_water = get_position().y
-	switch_state(StatePlayer.SWIM)
+	switch_state(StatePlayer.WALK_WATER)
 	print("SWIM")