manage stats and achievements

core/steam_manager/achievement_manager.gd

@@ -6,6 +6,11 @@ extends Node
 const KNOWN := [
 	"ACH_CHANGE_METEO",
 	"ACH_CHANGE_TRAIN_COLOR",
+	"ACH_DISTANCE_100",
+	"ACH_DISTANCE_200",
+	"ACH_10_PHOTOS",
+	"ACH_10_TOOTTOOT",
+	"ACH_DISTANCE_1000"
 ]
 
 #how it works:

core/steam_manager/stats_manager.gd

@@ -13,6 +13,13 @@ const KNOWN := [
 	"stat_photo_number",
 	"stat_toottoot_number",
 ]
+const TIME_PLAYED_STAT: String = "stat_time_played"
+const DISTANCE_KM_STAT: String = "stat_distance_km"
+const STATS_STORE_INTERVAL_SECONDS: int = 60
+
+var _pending_time_played_seconds: float = 0.0
+var _pending_distance_km: float = 0.0
+var _stats_store_timer: float = 0.0
 
 #how it works:
 #func _on_match_finished(score: int) -> void:
@@ -25,10 +32,20 @@ const KNOWN := [
 
 func _ready() -> void:
 	if not SteamManager.is_on_steam:
+		set_process(false)
 		return
 
 	Steam.user_stats_stored.connect(_on_stats_stored)
 
+func _process(delta: float) -> void:
+	_pending_time_played_seconds += delta
+	_stats_store_timer += delta
+	if _stats_store_timer >= STATS_STORE_INTERVAL_SECONDS:
+		_flush_periodic_stats(false)
+
+func _exit_tree() -> void:
+	_flush_periodic_stats(true)
+
 func get_int(stat: String) -> int:
 	if not SteamManager.is_on_steam:
 		return 0
@@ -62,6 +79,14 @@ func add_int(stat: String, amount: int = 1) -> void:
 		return
 	set_int(stat, get_int(stat) + amount)
 
+func add_distance_km(distance_km: float) -> void:
+	if not SteamManager.is_on_steam:
+		return
+	if distance_km <= 0.0:
+		return
+
+	_pending_distance_km += distance_km
+
 func update_avg_rate(stat: String, count_this_session: float, session_length: float) -> void:
 	if not SteamManager.is_on_steam:
 		return
@@ -74,6 +99,32 @@ func store() -> void:
 	if not Steam.storeStats():
 		push_error("storeStats failed; data saved locally")
 
+#periodic stats incrementation; store data every 60 secs
+func _flush_periodic_stats(force_store: bool) -> void:
+	if not SteamManager.is_on_steam:
+		_pending_time_played_seconds = 0.0
+		_pending_distance_km = 0.0
+		_stats_store_timer = 0.0
+		return
+
+	var has_changes: bool = false
+
+	var whole_seconds: int = int(floor(_pending_time_played_seconds))
+	if whole_seconds > 0:
+		_pending_time_played_seconds -= float(whole_seconds)
+		add_int(TIME_PLAYED_STAT, whole_seconds)
+		has_changes = true
+
+	var whole_km: int = int(floor(_pending_distance_km))
+	if whole_km > 0:
+		_pending_distance_km -= float(whole_km)
+		add_int(DISTANCE_KM_STAT, whole_km)
+		has_changes = true
+
+	_stats_store_timer = 0.0
+	if has_changes and (force_store or whole_seconds > 0 or whole_km > 0):
+		store()
+
 #Development only: reset stats
 func reset_all(include_achievements: bool = false) -> void:
 	if not SteamManager.is_on_steam: