Moved date variables to dedicated singleton

Due to the growing complexity of date system, it's been moved to its own dedicated singleton.

project.godot

@@ -24,6 +24,7 @@ config/windows_native_icon="res://icon.ico"
 
 SimData="*res://scripts/autoload/sim_data.gd"
 SimEvents="*res://scripts/autoload/sim_events.gd"
+SimTime="*res://scripts/autoload/sim_time.gd"
 
 [display]
 

scripts/autoload/sim_data.gd

@@ -8,15 +8,6 @@ var expenses: int
 var on_alert: bool = false
 var has_ctower: bool = false # Central Tower
 
-var year: int = 2000
-var prev_year: int
-var month: int = 1
-var prev_month: int
-var day: int = 1
-var prev_day: int
-var last_total_days: int
-var total_days: int = 1
-
 var power_grid: int # Number of power stations in the area. Helps provide redundancies.
 var power_capacity: int
 var current_power_cap: int
@@ -35,6 +26,12 @@ var fire_tax: int
 var police_tax: int
 var power_tax: int
 
+var ticker_files: Array = [
+	"adverts.json",
+	"sammy.json"
+]
+var prev_ticker_files: Array = []
+
 enum GameSpeed {
 	SLOW, 
 	MEDIUM, 

scripts/autoload/sim_time.gd

@@ -0,0 +1,32 @@
+extends Node
+
+var year: int = 2000 setget increment_year
+var prev_year: int
+var month: int = 1 setget increment_month
+var prev_month: int 
+var day: int = 1 setget increment_day
+var prev_day: int
+
+func new_year():
+	prev_year = year
+	prev_day = day
+	prev_month = month
+	increment_year(1)
+	day = 1
+	month = 1
+	
+func reset_day():
+	prev_day = day
+	day = 1
+
+func increment_day(new_day):
+	prev_day = day
+	day += new_day
+
+func increment_year(new_year):
+	prev_year = year
+	year += new_year
+	
+func increment_month(new_month):
+	prev_month = month
+	month += new_month

scripts/city_status.gd

@@ -7,6 +7,6 @@ onready var calendar = $NameDate/YearCtr/CalendarLbl
 func _process(delta):
 	city_name.text = SimData.city_name
 	budget.text = str(SimData.budget)
-	var day = "%02d" % SimData.day
-	var month = "%02d" % SimData.month
-	calendar.text = str(day) + "/" + str(month) + "/" + str(SimData.year)
+	var day = "%02d" % SimTime.day
+	var month = "%02d" % SimTime.month
+	calendar.text = str(day) + "/" + str(month) + "/" + str(SimTime.year)

scripts/command_handler.gd

@@ -17,10 +17,10 @@ const valid_commands = [
 ]
 
 func set_month(month):
-	SimData.month = month
+	SimTime.month = month
 
 func set_year(year):
-	SimData.year = year
+	SimTime.year = year
 
 func show_policy(policy):
 	SimEvents.emit_signal("policy_message", policy)

scripts/game.gd

@@ -17,31 +17,24 @@ func _resume_rotation():
 
 func _on_DayCycle_timeout():
 	
-	if SimData.prev_month < 12:
-		SimData.last_total_days = SimData.total_days
-		SimData.total_days += 1
-	
 	# Increment the number days until it reaches 30
-	if SimData.prev_day < 30:
-		SimData.day += 1
+	if SimTime.prev_day < 30:
+		SimTime.increment_day(1)
 	
 	# Reset the number of days to 1 on day 30 and increment the month
-	if SimData.prev_day == 30:
-		SimData.day = 1
-		SimData.prev_month = SimData.month
-		SimData.month += 1
+	if SimTime.prev_day == 30:
+		SimTime.reset_day()
+		
+		# Increment month up until the 12th
+		if SimTime.prev_month != 12:
+			SimTime.increment_month(1)
+			
 		SimEvents.emit_signal("budget")
 	
 	# Increment the year on the 12th month 
-	if SimData.prev_month == 12:
-		SimData.prev_year = SimData.year
-		SimData.total_days = 1
-		SimData.month = 1
-		SimData.year += 1
-	
-	SimData.last_total_days = SimData.total_days
-	SimData.prev_day = SimData.day
-
+	if SimTime.prev_month == 12:
+		SimTime.new_year()
+		
 func _on_TurtleBtn_toggled(button_pressed):
 	if button_pressed:
 		day_cycle.wait_time = 12