farmsim/time_system.gd at master · alanops/farmsim · GitHub

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extends Node

signal day_changed(day: int)
signal season_changed(season: String)
signal time_changed(hour: int, minute: int)

# Time settings
var day_length_seconds = 120.0  # 2 minutes = 1 day
var current_time = 0.0  # Time in seconds since start
var current_day = 1
var current_season = "Spring"
var current_year = 1

# Season lengths (in days)
var season_length = 28  # 28 days per season
var seasons = ["Spring", "Summer", "Fall", "Winter"]

# Time of day
var hours_per_day = 24
var current_hour = 6  # Start at 6 AM
var current_minute = 0

# References
var sun_light
var environment_sky

func _ready():
	add_to_group("time_system")
	sun_light = get_node("../Sun")

func _process(delta):
	current_time += delta

	# Calculate current hour and minute
	var day_progress = fmod(current_time, day_length_seconds) / day_length_seconds
	var total_minutes = day_progress * 24 * 60  # 24 hours * 60 minutes

	var new_hour = int(total_minutes / 60) % 24
	var new_minute = int(total_minutes) % 60

	if new_hour != current_hour or new_minute != current_minute:
		current_hour = new_hour
		current_minute = new_minute
		time_changed.emit(current_hour, current_minute)
		_update_lighting()

	# Check for new day
	var new_day = int(current_time / day_length_seconds) + 1
	if new_day != current_day:
		current_day = new_day
		day_changed.emit(current_day)
		_check_season_change()

func _check_season_change():
	var total_days_in_year = (current_day - 1) % (season_length * 4)
	var season_index = int(total_days_in_year / season_length)
	var new_season = seasons[season_index]

	if new_season != current_season:
		current_season = new_season
		season_changed.emit(current_season)
		_update_seasonal_effects()

	# Check for new year
	if (current_day - 1) % (season_length * 4) == 0 and current_day > 1:
		current_year += 1

func _update_lighting():
	if not sun_light:
		return

	# Calculate sun position and intensity based on time
	var time_factor = (current_hour + current_minute / 60.0) / 24.0

	# Sun angle (rises at 6 AM, sets at 8 PM)
	var sun_angle = 0.0
	if current_hour >= 6 and current_hour <= 20:
		# Daytime
		var day_progress = (current_hour - 6 + current_minute / 60.0) / 14.0  # 14 hours of daylight
		sun_angle = day_progress * PI - PI/2  # -90 to +90 degrees
	else:
		# Nighttime
		sun_angle = PI/2 + 0.5  # Below horizon

	# Update sun rotation
	var sun_transform = Transform3D()
	sun_transform = sun_transform.rotated(Vector3.RIGHT, sun_angle)
	sun_transform.origin = Vector3(0, 10, 0)
	sun_light.transform = sun_transform

	# Update light intensity
	var light_intensity = 0.0
	if current_hour >= 6 and current_hour <= 20:
		if current_hour <= 12:
			# Morning - gradually brighten
			light_intensity = (current_hour - 6 + current_minute / 60.0) / 6.0
		else:
			# Afternoon/Evening - gradually dim
			light_intensity = 1.0 - ((current_hour - 12 + current_minute / 60.0) / 8.0)
		light_intensity = clamp(light_intensity, 0.1, 1.0)
	else:
		# Night
		light_intensity = 0.05

	# Apply seasonal light adjustments
	match current_season:
		"Spring":
			sun_light.light_color = Color(1.0, 0.95, 0.8, 1.0)
		"Summer":
			sun_light.light_color = Color(1.0, 1.0, 0.9, 1.0)
			light_intensity *= 1.2
		"Fall":
			sun_light.light_color = Color(1.0, 0.8, 0.6, 1.0)
		"Winter":
			sun_light.light_color = Color(0.8, 0.9, 1.0, 1.0)
			light_intensity *= 0.7

	sun_light.light_energy = light_intensity

func _update_seasonal_effects():
	print("Season changed to: ", current_season)
	# Additional seasonal effects can be added here

func get_current_time_string() -> String:
	var period = "AM" if current_hour < 12 else "PM"
	var display_hour = current_hour
	if display_hour == 0:
		display_hour = 12
	elif display_hour > 12:
		display_hour -= 12

	return "%d:%02d %s" % [display_hour, current_minute, period]

func get_season_info() -> String:
	var day_in_season = ((current_day - 1) % season_length) + 1
	return "%s %d, Year %d" % [current_season, day_in_season, current_year]

func reset_time():
	current_time = 0.0
	current_day = 1
	current_season = "Spring"
	current_year = 1
	current_hour = 6
	current_minute = 0