free movement in spectating camera

3 files changed, 35 insertions, 5 deletions

diff --git a/client/game.gd b/client/game.gd
index 06e3a934..8f23fbed 100644
--- a/client/game.gd
+++ b/client/game.gd
@@ -23,6 +23,11 @@ signal data_updated()
 signal joined()
 signal left()
 
+enum SpectatingMode {
+	CENTER,
+	FREE,
+}
+
 var player_id: int = -1
 var item_names: Array = []
 var item_index_by_name: Dictionary = {}
@@ -39,6 +44,8 @@ var last_position := Vector2(0, 0)
 
 var players := {}
 
+var spectating_mode: SpectatingMode = SpectatingMode.CENTER
+
 @onready var camera: FollowCamera = $FollowCamera
 @onready var mp: Multiplayer = $Multiplayer
 @onready var map: Map = $Map
@@ -106,7 +113,7 @@ func _ready():
 		if player == player_id:
 			last_position = pos
 	)
-	
+
 	mp.movement_sync.connect(func():
 		if not players.has(player_id):
 			return
@@ -228,7 +235,7 @@ func _ready():
 			map.gi_bake()
 			await get_parent()._menu_open()
 			map.autobake = true
-			
+
 			if in_lobby_:
 				popup_message.lobby()
 			else:
@@ -253,7 +260,7 @@ func _ready():
 			if lobby_state and not join_sent:
 				join()
 	)
-	
+
 	mp.environment.connect($Environment.update)
 
 func join():
@@ -287,6 +294,17 @@ func set_tile(tile: Vector2i, kind = null, neighbors = null):
 func update_center():
 	if is_joined:
 		return
+	if Input.get_vector("left", "right", "forward", "backwards").normalized().length() > .1:
+		spectating_mode = SpectatingMode.FREE
+	elif spectating_mode == SpectatingMode.FREE and Input.is_action_just_pressed("reset"):
+		spectating_mode = SpectatingMode.CENTER
+	match spectating_mode:
+		SpectatingMode.CENTER:
+			spectate_center()
+		SpectatingMode.FREE:
+			spectate_free()
+
+func spectate_center():
 	var sum: int = 0
 	var player_sum: int = 0
 	var center: Vector3 = Vector3(0., 0., 0.)
@@ -309,3 +327,15 @@ func update_center():
 		var map_center = ((extents[0] + extents[1]) / 2) + Vector2(.5, .5)
 		new_center = Vector3(map_center.x, 0., map_center.y)
 	$Center.position = new_center
+
+func spectate_free():
+	var direction := Input.get_vector("left", "right", "forward", "backwards")
+	direction = direction.rotated(-camera.angle_target)
+	$Center.position += Vector3(
+		direction.x,
+		$Center.position.y,
+		direction.y
+	) * get_process_delta_time() * 10.
+	var extents = map.extents()
+	$Center.position.x = clamp($Center.position.x, extents[0].x, extents[1].x)
+	$Center.position.z = clamp($Center.position.z, extents[0].y, extents[1].y)
diff --git a/client/map/map.gd b/client/map/map.gd
index 112ddbcc..7be1a102 100644
--- a/client/map/map.gd
+++ b/client/map/map.gd
@@ -81,7 +81,7 @@ func gi_bake_blocking():
 	voxelgi.visible = true
 	print("Bake done. elapsed=", Time.get_ticks_msec() - start)
 
-func extents() -> Array:
+func extents() -> Array[Vector2]:
 	var extent_min = Vector2(0,0)
 	var extent_max = Vector2(0,0)
 	for e in tile_by_pos.values():
diff --git a/client/player/follow_camera.gd b/client/player/follow_camera.gd
index fd4c9d16..4df4b1eb 100644
--- a/client/player/follow_camera.gd
+++ b/client/player/follow_camera.gd
@@ -24,7 +24,7 @@ const ROTATE_WEIGHT: float = 8.0
 const ROTATE_UP_SPEED: float = 0.7
 const ROTATE_UP_WEIGHT: float = 4.0
 const ANGLE_UP_MIN: float = 0.5
-const ANGLE_UP_MAX: float = 1.2
+const ANGLE_UP_MAX: float = 0.4999 * PI
 const LOOK_WEIGHT: float = 8.0
 const MOVE_WEIGHT: float = 2.0
 const ZOOM_SPEED: float = 1.0