tweak enviromentconfig

commit 53646e36f0
Author: Matteo Sonaglioni <sonaglioni.matteo7@gmail.com>
Date:   Thu Apr 23 17:24:36 2026 +0200

    map - zoos

commit 88dd7c3ad8
Author: Matteo Sonaglioni <sonaglioni.matteo7@gmail.com>
Date:   Thu Apr 23 16:48:14 2026 +0200

    fix railway chunk

core/biome_generator/rails.gd

@@ -47,15 +47,112 @@ var next_stop_index: int = 0
 var stop_multiply: float = 1.0
 var is_restarting: bool = false
 var tween_restart: Tween
+var environment_config: EnvironmentConfig
 
 func _ready() -> void:
+	_cache_environment_config()
 	if curve != null and curve.get_baked_length() > 0:
 		build_rails()
 		build_train()
 		_plan_stops()
+		_apply_initial_train_start()
 	else:
 		print("WARNING: Draw Path3D for rails!")
 
+func _cache_environment_config() -> void:
+	var parent_node: Node = get_parent()
+	if parent_node != null:
+		var day_night_node := parent_node.get_node_or_null("DayNight") as EnvironmentManagerRoot
+		if day_night_node != null:
+			environment_config = day_night_node.environment_config
+			return
+
+	var current_scene: Node = get_tree().current_scene
+	if current_scene == null:
+		return
+
+	for child in current_scene.get_children():
+		var environment_manager := child as EnvironmentManagerRoot
+		if environment_manager != null:
+			environment_config = environment_manager.environment_config
+			return
+
+func _apply_initial_train_start() -> void:
+	if train_instance == null or curve == null:
+		return
+
+	var total_length: float = curve.get_baked_length()
+	if total_length <= 0.0:
+		return
+
+	#start from a random position
+	if environment_config != null and environment_config.train_start_from_random_position:
+		train_progress = randf() * total_length
+		_update_next_stop_index_from_progress()
+	elif environment_config != null and not stop_offset.is_empty():
+		#start from a specific stop
+		var stop_index: int = clampi(environment_config.train_start_stop_index, 0, stop_offset.size() - 1)
+		train_progress = stop_offset[stop_index]
+		_set_next_stop_index_from_current(stop_index)
+	else:
+		train_progress = wrapf(train_progress, 0.0, total_length)
+		_update_next_stop_index_from_progress()
+
+	_snap_train_to_progress()
+
+func _set_next_stop_index_from_current(current_stop_index: int) -> void:
+	if stop_offset.is_empty():
+		next_stop_index = 0
+		return
+
+	if train_speed >= 0.0:
+		next_stop_index = (current_stop_index + 1) % stop_offset.size()
+	else:
+		next_stop_index = current_stop_index - 1
+		if next_stop_index < 0:
+			next_stop_index = stop_offset.size() - 1
+
+func _update_next_stop_index_from_progress() -> void:
+	if stop_offset.is_empty():
+		next_stop_index = 0
+		return
+
+	if train_speed >= 0.0:
+		next_stop_index = 0
+		for i in range(stop_offset.size()):
+			if stop_offset[i] > train_progress + 0.001:
+				next_stop_index = i
+				return
+		return
+
+	next_stop_index = stop_offset.size() - 1
+	for i in range(stop_offset.size() - 1, -1, -1):
+		if stop_offset[i] < train_progress - 0.001:
+			next_stop_index = i
+			return
+
+func _snap_train_to_progress() -> void:
+	if train_instance == null or curve == null:
+		return
+
+	var total_length: float = curve.get_baked_length()
+	if total_length <= 0.0:
+		return
+
+	train_progress = wrapf(train_progress, 0.0, total_length)
+	var center_position: Vector3 = to_global(curve.sample_baked(train_progress, true))
+	var prog_forward: float = wrapf(train_progress + 2.0, 0.0, total_length)
+	var forward_position: Vector3 = to_global(curve.sample_baked(prog_forward, true))
+
+	train_instance.global_position = center_position
+	if center_position.distance_to(forward_position) > 0.01:
+		train_instance.look_at(forward_position, Vector3.UP)
+		train_instance.rotate_y(PI)
+
+	if cameras:
+		cameras.global_position = center_position
+		cameras.global_basis = train_instance.global_basis
+
 func build_rails() -> void:
 	var mat_wood = StandardMaterial3D.new()
 	mat_wood.albedo_color = Color(0.35, 0.2, 0.1) 

core/daynight/blur.gdshader

@@ -1,9 +1,17 @@
 shader_type canvas_item;
 
+// Cattura tutto quello che c'è sotto questo nodo
 uniform sampler2D screen_texture : hint_screen_texture, filter_linear_mipmap;
 
 uniform float blur_amount : hint_range(0.0, 5.0) = 2.5; 
+uniform float focus_size : hint_range(0.0, 1.0) = 0.4;  
+uniform float transition_softness : hint_range(0.01, 1.0) = 0.3; 
 
 void fragment() {
-    COLOR = textureLod(screen_texture, SCREEN_UV, blur_amount);
+    float dist_from_center = abs(SCREEN_UV.y - 0.5);
+    float mask = smoothstep(focus_size / 2.0, (focus_size / 2.0) + transition_softness, dist_from_center);
+    
+    // Applica il blur
+    vec4 blurred_screen = textureLod(screen_texture, SCREEN_UV, blur_amount * mask);
+    COLOR = blurred_screen;
 }

core/daynight/environment_management.tscn

@@ -40,9 +40,55 @@ shader_parameter/sun_color = Color(0.2841828, 0.2023238, 0.27953526, 1)
 
 [sub_resource type="Resource" id="Resource_r4tfj"]
 script = ExtResource("2_h6hjk")
+morning_color = Color(0.93333334, 0.78039217, 0.6039216, 1)
+afternoon_color = Color(0.9490196, 0.62352943, 0.38039216, 1)
+night_color = Color(0.18431373, 0.18431373, 0.4862745, 1)
+sun_rotation_morning = Vector3(-50, -90, 0)
+sun_rotation_afternoon = Vector3(-120, -90, 0)
+sun_rotation_night = Vector3(-130, -90, 0)
+night_light_energy = 1.0
+exposure_morning = 0.8
+exposure_afternoon = 0.7
+exposure_night = 0.7
+sky_top_morning = Color(0.11764706, 0.35686275, 0.5411765, 1)
+sky_top_afternoon = Color(0.7019608, 0.4509804, 0.2, 1)
+sky_top_night = Color(0.050980393, 0.050980393, 0.14901961, 1)
+sky_horizon_morning = Color(0.4627451, 0.6745098, 0.8627451, 1)
+sky_horizon_afternoon = Color(0.93333334, 0.6, 0.8039216, 1)
+sky_horizon_night = Color(0.14901961, 0.101960786, 0.2509804, 1)
+grad_top_morning = Color(0.7921569, 0.8784314, 0.95686275, 1)
+grad_top_afternoon = Color(0.8627451, 0.24313726, 0.5411765, 1)
+grad_top_night = Color(0.16470589, 0.16470589, 0.26666668, 1)
+grad_bot_morning = Color(0.05882353, 0.078431375, 0.21568628, 1)
+grad_bot_afternoon = Color(0.2509804, 0.019607844, 0.043137256, 1)
+grad_intensity_morning = 0.05
+grad_intensity_afternoon = 0.1
+grad_intensity_night = 0.5
+fog_color_morning = Color(0.7490196, 0.8509804, 0.9490196, 1)
+fog_color_afternoon = Color(0.9647059, 0.5882353, 0.7607843, 1)
+fog_color_night = Color(0.14901961, 0.101960786, 0.2509804, 1)
+fog_density_morning = 0.01
+fog_density_afternoon = 0.02
+glow_morning = 0.4
+glow_night = 0.6
 material_fog = SubResource("ShaderMaterial_b5atu")
 material_drops = SubResource("StandardMaterial3D_r4tfj")
 material_clouds = SubResource("ShaderMaterial_ruhh7")
+lightning_color = Color(1, 0.9843137, 0.4627451, 1)
+lightning_min = 2
+lightning_max = 4
+lightning_scale_min = 2.0
+lightning_scale_max = 5.0
+godray_max_rain = 60
+godray_spawn_radius = 100.0
+godray_spawn_offset = Vector3(20, 80, 20)
+godray_rotation_degrees = Vector3(50, 30, 0)
+godray_scale = Vector3(2, 25, 50)
+snow_amount = 2000.0
+wind_amount = 50
+cloud_speed = 0.01
+fireflies_amount = 550
+fireflies_spawn_ray = 60.0
 metadata/_custom_type_script = "uid://butda6k2tli3o"
 
 [sub_resource type="Gradient" id="Gradient_i3hjl"]
@@ -85,7 +131,7 @@ gradient = SubResource("Gradient_djqkg")
 lifetime_randomness = 0.5
 emission_shape_scale = Vector3(5, 5, 5)
 emission_shape = 3
-emission_box_extents = Vector3(25, 5, 25)
+emission_box_extents = Vector3(1, 1, 1)
 direction = Vector3(0, 1, 0)
 initial_velocity_min = 6.0
 initial_velocity_max = 6.0
@@ -99,10 +145,9 @@ point_count = 3
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_cer0u"]
 render_priority = 0
 shader = ExtResource("5_djqkg")
-shader_parameter/wave_frequency = 1.0
-shader_parameter/base_amplitude = 0.5
-shader_parameter/secondary_ratio = 0.6
-shader_parameter/time_scale_base = 3.0
+shader_parameter/time_scale = 3.065
+shader_parameter/wave_amplitude = 0.3
+shader_parameter/wave_frequency = 0.25
 
 [sub_resource type="TubeTrailMesh" id="TubeTrailMesh_vo82p"]
 material = SubResource("ShaderMaterial_cer0u")
@@ -174,7 +219,9 @@ size = Vector2(0.05, 0.8)
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_kavln"]
 shader = ExtResource("9_amaf0")
-shader_parameter/blur_amount = 0.6000000285
+shader_parameter/blur_amount = 0.50000002375
+shader_parameter/focus_size = 0.54400002584
+shader_parameter/transition_softness = 0.00999999977648
 
 [sub_resource type="QuadMesh" id="QuadMesh_sxgg7"]
 size = Vector2(2, 2)
@@ -184,12 +231,12 @@ noise = ExtResource("11_yn8v8")
 seamless = true
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_oqt1s"]
-render_priority = 0
+render_priority = -1
 shader = ExtResource("10_tuauy")
 shader_parameter/noise_texture = SubResource("NoiseTexture2D_0fcg4")
 shader_parameter/cloud_scale = 0.0070000003325
 shader_parameter/cloud_speed = 0.0030000001425
-shader_parameter/direction = Vector2(0.5, 0.2)
+shader_parameter/direction = Vector2(0.1, 0.025)
 shader_parameter/sun_angle = Vector2(0.5, 0.5)
 shader_parameter/cloud_density = 0.400000019
 shader_parameter/center_sharpness = 0.138000006555
@@ -222,9 +269,9 @@ process_material = SubResource("ParticleProcessMaterial_i3hjl")
 draw_pass_1 = SubResource("QuadMesh_b5atu")
 
 [node name="Particles_Wind" type="GPUParticles3D" parent="." unique_id=1238214694]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 50, 0)
-emitting = false
-amount = 100
+transform = Transform3D(1, 0, 0, 0, -4.371139e-08, -1, 0, 1, -4.371139e-08, 0, 50, 0)
+cast_shadow = 0
+amount = 25
 lifetime = 3.0
 fixed_fps = 60
 process_material = SubResource("ParticleProcessMaterial_ruhh7")

core/daynight/environment_manager.gd

@@ -1,6 +1,10 @@
 class_name EnvironmentManagerRoot
 extends Node3D
 
+const NOISE_TEXTURE: Texture2D = preload("res://core/daynight/noise.tres")
+const WEATHER_SHADER: Material = preload("res://core/daynight/weather_overlay.tres")
+const WEATHER_PLAIN_SHADER: Material = preload("res://core/daynight/weather_plain_shader.tres")
+
 @export var environment_config: EnvironmentConfig
 
 @export_group("Camera")
@@ -33,6 +37,9 @@ var day_time: float = 0.0
 
 func _ready() -> void:
 	
+	#connect shader when new node is added
+	get_tree().node_added.connect(_on_tree_node_added)
+	
 	#set noise texture 2d to materials in special group
 	ApplyWindNoiseToMaterials()
 	#set weather overlay (snow + rain) to materials in special group
@@ -67,10 +74,26 @@ func _ready() -> void:
 		weather_controller.name = "WeatherController"
 		add_child(weather_controller)
 
+func _on_tree_node_added(node: Node) -> void:
+	if node.is_in_group("wind_node") or node.is_in_group("weather_node") or node.is_in_group("weather_vegetables_node"):
+		call_deferred("_apply_dynamic_environment_materials", node)
+
+func _apply_dynamic_environment_materials(node: Node) -> void:
+	if not is_instance_valid(node):
+		return
+
+	if node.is_in_group("wind_node"):
+		_apply_wind_noise_to_node(node, NOISE_TEXTURE)
+
+	if node.is_in_group("weather_node"):
+		_apply_weather_overlay_to_node(node, WEATHER_SHADER)
+
+	if node.is_in_group("weather_vegetables_node"):
+		_apply_weather_overlay_to_node(node, WEATHER_PLAIN_SHADER)
+
 func ApplyWindNoiseToMaterials():
-	var noise_tex = preload("res://core/daynight/noise.tres")
 	for node in get_tree().get_nodes_in_group("wind_node"):
-		_apply_wind_noise_to_node(node, noise_tex)
+		_apply_wind_noise_to_node(node, NOISE_TEXTURE)
 
 func _apply_wind_noise_to_node(node: Node, noise_tex: Texture2D) -> void:
 	if node is GeometryInstance3D:
@@ -88,25 +111,18 @@ func _apply_wind_noise_to_node(node: Node, noise_tex: Texture2D) -> void:
 		_apply_wind_noise_to_node(child, noise_tex)
 
 func ApplyWeatherShaderToMaterials():
-	var weather_shader = preload("res://core/daynight/weather_overlay.tres")
 	for node in get_tree().get_nodes_in_group("weather_node"):
-		if node is GeometryInstance3D:
-			node.material_overlay = weather_shader
-		else:
-			for child in node.get_children():
-				if child is GeometryInstance3D:
-					child.material_overlay = weather_shader
-					break
+		_apply_weather_overlay_to_node(node, WEATHER_SHADER)
 
-	var weather_plain_shader = preload("res://core/daynight/weather_plain_shader.tres")
 	for node in get_tree().get_nodes_in_group("weather_vegetables_node"):
-		if node is GeometryInstance3D:
-			node.material_overlay = weather_plain_shader
-		else:
-			for child in node.get_children():
-				if child is GeometryInstance3D:
-					child.material_overlay = weather_plain_shader
-					break
+		_apply_weather_overlay_to_node(node, WEATHER_PLAIN_SHADER)
+
+func _apply_weather_overlay_to_node(node: Node, material: Material) -> void:
+	if node is GeometryInstance3D:
+		node.material_overlay = material
+
+	for child in node.get_children():
+		_apply_weather_overlay_to_node(child, material)
 
 func select_day_time(normalized_time: float) -> void:
 	#set show_day_time_debug = true to show debug on screen

core/daynight/snow_cap.gd

@@ -0,0 +1,114 @@
+## Procedural snow cap geometry for flat roofs and vehicles.
+extends Node3D
+
+enum PlacementMode {
+	AUTO_TARGET_AABB,
+	MANUAL_SURFACE,
+}
+
+const SNOW_CAP_SHADER: Shader = preload("res://core/daynight/snow_cap.gdshader")
+
+@export var placement_mode: PlacementMode = PlacementMode.AUTO_TARGET_AABB
+@export var target_path: NodePath
+@export var size_inset: Vector2 = Vector2(0.25, 1.0)
+@export var position_offset: Vector3 = Vector3(0.0, -0.08, 0.0)
+@export var max_snow_height: float = 0.2
+@export_range(1, 24) var subdivide_width: int = 6
+@export_range(1, 24) var subdivide_depth: int = 18
+@export var manual_surface_center: Vector3 = Vector3.ZERO
+@export var manual_surface_size: Vector2 = Vector2(2.0, 6.0)
+
+var _mesh_instance: MeshInstance3D
+
+
+func _ready() -> void:
+	add_to_group("weather_overlay_ignore")
+	_ensure_mesh_instance()
+	_rebuild()
+
+
+func rebuild() -> void:
+	_rebuild()
+
+
+func _ensure_mesh_instance() -> void:
+	_mesh_instance = get_node_or_null("SnowCapMesh") as MeshInstance3D
+	if _mesh_instance != null:
+		return
+
+	_mesh_instance = MeshInstance3D.new()
+	_mesh_instance.name = "SnowCapMesh"
+	_mesh_instance.add_to_group("weather_overlay_ignore")
+	add_child(_mesh_instance)
+
+
+func _rebuild() -> void:
+	var cap_width: float = 0.0
+	var cap_depth: float = 0.0
+	var cap_surface_center := Vector3.ZERO
+
+	if placement_mode == PlacementMode.MANUAL_SURFACE:
+		cap_width = manual_surface_size.x
+		cap_depth = manual_surface_size.y
+		cap_surface_center = manual_surface_center
+	else:
+		var target_mesh: MeshInstance3D = get_node_or_null(target_path) as MeshInstance3D
+		if target_mesh == null:
+			if _mesh_instance:
+				_mesh_instance.visible = false
+			return
+
+		var target_aabb: AABB = _get_target_aabb(target_mesh)
+		cap_width = max(target_aabb.size.x - size_inset.x, 0.1)
+		cap_depth = max(target_aabb.size.z - size_inset.y, 0.1)
+		cap_surface_center = Vector3(
+			target_aabb.position.x + target_aabb.size.x * 0.5,
+			target_aabb.position.y + target_aabb.size.y,
+			target_aabb.position.z + target_aabb.size.z * 0.5
+		)
+
+	var cap_center := cap_surface_center + Vector3(0.0, max_snow_height * 0.5, 0.0)
+
+	var box_mesh := BoxMesh.new()
+	box_mesh.size = Vector3(cap_width, max_snow_height, cap_depth)
+	box_mesh.subdivide_width = subdivide_width
+	box_mesh.subdivide_depth = subdivide_depth
+	_mesh_instance.mesh = box_mesh
+	_mesh_instance.position = cap_center + position_offset
+	_mesh_instance.material_override = _build_material(cap_width, cap_depth)
+	_mesh_instance.visible = true
+
+
+func _build_material(cap_width: float, cap_depth: float) -> ShaderMaterial:
+	var material := ShaderMaterial.new()
+	material.shader = SNOW_CAP_SHADER
+	material.set_shader_parameter("max_height", max_snow_height)
+	material.set_shader_parameter("half_width", cap_width * 0.5)
+	material.set_shader_parameter("half_depth", cap_depth * 0.5)
+	return material
+
+
+func _get_target_aabb(target_mesh: MeshInstance3D) -> AABB:
+	var points: Array[Vector3] = []
+	for point in _get_aabb_points(target_mesh.get_aabb()):
+		points.append(target_mesh.transform * point)
+
+	var merged := AABB(points[0], Vector3.ZERO)
+	for point in points:
+		merged = merged.expand(point)
+	return merged
+
+
+func _get_aabb_points(aabb: AABB) -> Array[Vector3]:
+	var p: Vector3 = aabb.position
+	var s: Vector3 = aabb.size
+	return [
+		p,
+		p + Vector3(s.x, 0.0, 0.0),
+		p + Vector3(0.0, s.y, 0.0),
+		p + Vector3(0.0, 0.0, s.z),
+		p + Vector3(s.x, s.y, 0.0),
+		p + Vector3(s.x, 0.0, s.z),
+		p + Vector3(0.0, s.y, s.z),
+		p + s,
+	]

core/daynight/snow_cap.gd.uid

@@ -0,0 +1 @@
+uid://bxc6ketfgedxw

core/daynight/snow_cap.gdshader

@@ -0,0 +1,114 @@
+shader_type spatial;
+render_mode blend_mix, cull_back, depth_draw_opaque;
+
+global uniform float global_snow_start_time = -1.0;
+global uniform float global_snow_accumulation_speed = 0.1;
+global uniform float global_snow_melt_time = -1.0;
+global uniform float global_snow_melt_speed = 0.1;
+global uniform vec4 global_snow_color = vec4(0.92, 0.96, 1.0, 1.0);
+
+uniform float max_height : hint_range(0.02, 1.0) = 0.2;
+uniform float half_width : hint_range(0.01, 20.0) = 1.0;
+uniform float half_depth : hint_range(0.01, 20.0) = 1.0;
+uniform float noise_scale : hint_range(0.05, 2.0) = 0.35;
+uniform float noise_strength : hint_range(0.0, 0.4) = 0.18;
+uniform float edge_rounding : hint_range(0.0, 0.3) = 0.12;
+uniform float side_shade : hint_range(0.2, 1.0) = 0.82;
+uniform float sparkle_strength : hint_range(0.0, 0.1) = 0.03;
+
+varying float v_snow_amount;
+varying float v_noise;
+
+float hash(vec2 p) {
+	return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453123);
+}
+
+float value_noise(vec2 p) {
+	vec2 i = floor(p);
+	vec2 f = fract(p);
+	vec2 u = f * f * (3.0 - 2.0 * f);
+
+	float a = hash(i);
+	float b = hash(i + vec2(1.0, 0.0));
+	float c = hash(i + vec2(0.0, 1.0));
+	float d = hash(i + vec2(1.0, 1.0));
+
+	return mix(mix(a, b, u.x), mix(c, d, u.x), u.y);
+}
+
+float fbm(vec2 p) {
+	float value = 0.0;
+	float amplitude = 0.5;
+	float frequency = 1.0;
+
+	for (int i = 0; i < 4; i++) {
+		value += value_noise(p * frequency) * amplitude;
+		frequency *= 2.0;
+		amplitude *= 0.5;
+	}
+
+	return clamp(value, 0.0, 1.0);
+}
+
+float get_snow_amount() {
+	float snow_amount = 0.0;
+	if (global_snow_start_time >= 0.0) {
+		snow_amount = clamp(
+			(TIME - global_snow_start_time) * global_snow_accumulation_speed,
+			0.0,
+			1.0
+		);
+	}
+	if (global_snow_melt_time >= 0.0) {
+		float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
+		snow_amount *= (1.0 - melt);
+	}
+	return snow_amount;
+}
+
+void vertex() {
+	vec3 base_vertex = VERTEX;
+	vec3 world_pos = (MODEL_MATRIX * vec4(base_vertex, 1.0)).xyz;
+	float snow_amount = get_snow_amount();
+	float noise_val = fbm(world_pos.xz * noise_scale);
+	float thickness = max_height * snow_amount * mix(
+		1.0 - noise_strength,
+		1.0 + noise_strength,
+		noise_val
+	);
+	float footprint_growth = smoothstep(0.0, 0.35, snow_amount);
+
+	float from_bottom = clamp((base_vertex.y + max_height * 0.5) / max_height, 0.0, 1.0);
+	VERTEX.y = -max_height * 0.5 + thickness * from_bottom;
+	VERTEX.x *= mix(0.92, 1.0, footprint_growth);
+	VERTEX.z *= mix(0.94, 1.0, footprint_growth);
+
+	float edge_x = abs(base_vertex.x) / max(half_width, 0.001);
+	float edge_z = abs(base_vertex.z) / max(half_depth, 0.001);
+	float edge_mask = smoothstep(0.55, 1.0, max(edge_x, edge_z));
+	float top_mask = smoothstep(0.6, 1.0, from_bottom) * snow_amount;
+	float round_factor = edge_rounding * edge_mask * top_mask;
+	VERTEX.x *= 1.0 - round_factor;
+	VERTEX.z *= 1.0 - round_factor;
+
+	v_snow_amount = snow_amount;
+	v_noise = noise_val;
+}
+
+void fragment() {
+	if (v_snow_amount <= 0.001) {
+		ALPHA = 0.0;
+		ALBEDO = global_snow_color.rgb;
+		ROUGHNESS = 1.0;
+		SPECULAR = 0.0;
+	} else {
+		float facing_up = clamp(NORMAL.y, 0.0, 1.0);
+		float shade = mix(-sparkle_strength, sparkle_strength, v_noise);
+		vec3 snow_albedo = clamp(global_snow_color.rgb + vec3(shade), 0.0, 1.0);
+
+		ALBEDO = mix(snow_albedo * side_shade, snow_albedo, facing_up);
+		ROUGHNESS = mix(0.95, 0.72, facing_up);
+		SPECULAR = 0.18;
+		ALPHA = smoothstep(0.0, 0.28, v_snow_amount);
+	}
+}

core/daynight/snow_cap.gdshader.uid

@@ -0,0 +1 @@
+uid://c7js7ytvewmab

core/daynight/weather_controller.gd

@@ -49,6 +49,7 @@ var current_wind_speed: float = 0.0
 var current_wind_strength: float = 0.0
 var current_wind_fade: float = 0.0
 var max_wind_amount: int = 0
+var random_weather_restore_tween: Tween
 
 func _init(wind: GPUParticles3D, snow: GPUParticles3D, 
 	fireflies: GPUParticles3D, rain: GPUParticles3D, ray: PackedScene,
@@ -98,11 +99,13 @@ func _ready() -> void:
 	UIEvents.toggle_snow.connect(toggle_snow)
 	UIEvents.toggle_wind.connect(toggle_wind)
 	UIEvents.wind_change.connect(change_wind_strength)
+	UIEvents.trigger_random_weather.connect(trigger_random_weather_event)
 	UIEvents.toggle_fireflies.connect(toggle_fireflies)
 	UIEvents.toggle_storm.connect(toggle_storm)
 	UIEvents.toggle_dust.connect(toggle_dust)
 	UIEvents.toggle_blur.connect(toggle_blur)
 	UIEvents.toggle_shadows.connect(toggle_shadows)
+	_emit_weather_event_label()
 
 func _process(delta: float) -> void:
 	
@@ -307,6 +310,7 @@ func toggle_wind(value: bool):
 		particles_wind.emitting = is_windy
 
 	_apply_wind_state()
+	_emit_weather_event_label()
 
 #disable wind and set default values and materials
 func init_wind():
@@ -410,6 +414,51 @@ func _update_wind_amount_from_strength(value: float) -> void:
 
 	environment_config.wind_amount = roundi(max_wind_amount * amount_ratio)
 
+func trigger_random_weather_event(duration: float = 0.0) -> void:
+	if random_weather_restore_tween and random_weather_restore_tween.is_valid():
+		random_weather_restore_tween.kill()
+
+	var previous_rain: bool = is_raining
+	var previous_snow: bool = is_snowing
+	var previous_wind: bool = is_windy
+	var previous_storm: bool = is_storm
+	var random_event_index: int = randi_range(0, 3)
+	match random_event_index:
+		0:
+			_apply_weather_event_state(false, true, false, false)
+		1:
+			_apply_weather_event_state(true, false, false, false)
+		2:
+			_apply_weather_event_state(false, false, true, false)
+		_:
+			_apply_weather_event_state(true, false, false, true)
+
+	if duration > 0.0:
+		random_weather_restore_tween = create_tween()
+		random_weather_restore_tween.tween_interval(duration)
+		random_weather_restore_tween.tween_callback(func():
+			_apply_weather_event_state(previous_rain, previous_snow, previous_wind, previous_storm)
+		)
+
+func _apply_weather_event_state(rain_enabled: bool, snow_enabled: bool, wind_enabled: bool, storm_enabled: bool = false) -> void:
+	if is_storm and not storm_enabled:
+		toggle_storm(false)
+	if is_raining and not rain_enabled:
+		toggle_rain(false)
+	if is_snowing and not snow_enabled:
+		toggle_snow(false)
+	if is_windy and not wind_enabled:
+		toggle_wind(false)
+
+	if not is_raining and rain_enabled:
+		toggle_rain(true)
+	if not is_snowing and snow_enabled:
+		toggle_snow(true)
+	if not is_windy and wind_enabled:
+		toggle_wind(true)
+	if not is_storm and storm_enabled:
+		toggle_storm(true)
+
 func _apply_cloud_config() -> void:
 	var dir = environment_config.wind_direction
 	var cloud_scale = environment_config.cloud_scale
@@ -441,6 +490,7 @@ func _apply_cloud_config() -> void:
 
 func toggle_storm(value: bool):
 	is_storm = value
+	_emit_weather_event_label()
 
 #set lightning
 func init_lightning():
@@ -554,6 +604,7 @@ func toggle_rain(value: bool):
 	is_raining = value
 	
 	if not particles_rain:
+		_emit_weather_event_label()
 		return
 	
 	if is_raining and is_snowing:
@@ -587,6 +638,7 @@ func toggle_rain(value: bool):
 			trigger_after_rain())
 		puddle_tween = create_tween()
 		puddle_tween.tween_method(set_puddle_amount, puddle_amount, 0.0, environment_config.puddle_dry_time)
+	_emit_weather_event_label()
 
 func trigger_morning() -> void:
 	spawn_single_godray()
@@ -685,6 +737,23 @@ func toggle_snow(value: bool):
 		snow_tween.kill()
 	snow_tween = create_tween()
 	snow_tween.tween_method(init_snow_amount, actual_snow_amount, target_snow_amount, environment_config.snow_transaction_time)
+	_emit_weather_event_label()
+
+func _emit_weather_event_label() -> void:
+	var weather_label := "Weather: Clear"
+	if is_storm:
+		weather_label = "Weather: Storm"
+	else:
+		var active_events: Array[String] = []
+		if is_snowing:
+			active_events.append("Snow")
+		if is_raining:
+			active_events.append("Rain")
+		if is_windy:
+			active_events.append("Wind")
+		if not active_events.is_empty():
+			weather_label = "Weather: %s" % " + ".join(active_events)
+	UIEvents.weather_event_changed.emit(weather_label)
 
 #disable snow and set default values and shader
 func init_snow(value: float = 0.0):
@@ -699,6 +768,13 @@ func init_snow(value: float = 0.0):
 		RenderingServer.global_shader_parameter_set("global_snow_color", environment_config.snow_color)
 		RenderingServer.global_shader_parameter_set("global_snow_accumulation_speed", environment_config.snow_accumulation_speed)
 		RenderingServer.global_shader_parameter_set("global_snow_melt_speed", environment_config.snow_melt_speed)
+		RenderingServer.global_shader_parameter_set("global_snow_max_accumulation", environment_config.snow_max_accumulation)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_enabled", 1.0 if environment_config.show_snow_accumulation_volume else 0.0)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_height", environment_config.snow_cap_height)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_flatness_start", environment_config.snow_cap_flatness_start)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_flatness_end", environment_config.snow_cap_flatness_end)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_noise_scale", environment_config.snow_cap_noise_scale)
+		RenderingServer.global_shader_parameter_set("global_snow_cap_noise_strength", environment_config.snow_cap_noise_strength)
 		RenderingServer.global_shader_parameter_set("global_snow_start_time", -1.0)
 		RenderingServer.global_shader_parameter_set("global_snow_melt_time", -1.0)
 		

core/daynight/weather_overlay.gdshader

@@ -8,6 +8,13 @@ global uniform float global_snow_melt_time         = -1.0;
 global uniform float global_snow_melt_speed        = 0.1;
 global uniform float global_snow_threshold         = 0.5;
 global uniform vec4  global_snow_color             = vec4(0.92, 0.96, 1.0, 1.0);
+global uniform float global_snow_max_accumulation  = 0.72;
+global uniform float global_snow_cap_enabled       = 1.0;
+global uniform float global_snow_cap_height        = 0.06;
+global uniform float global_snow_cap_flatness_start = 0.72;
+global uniform float global_snow_cap_flatness_end  = 0.96;
+global uniform float global_snow_cap_noise_scale   = 0.22;
+global uniform float global_snow_cap_noise_strength = 0.18;
 uniform float snow_noise_scale : hint_range(0.01, 1.0) = 0.15;
 uniform float snow_edge_softness : hint_range(0.01, 0.5) = 0.2;
 uniform float snow_roughness_variation : hint_range(0.0, 0.3) = 0.15;
@@ -29,6 +36,52 @@ uniform float puddle_threshold : hint_range(0.0, 0.8) = 0.45;
 
 uniform sampler2D noise_texture : filter_linear_mipmap, repeat_enable;
 
+varying float v_snow_amount;
+varying float v_snow_cap_mask;
+
+float hash(vec2 p) {
+    return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453123);
+}
+
+float value_noise(vec2 p) {
+    vec2 i = floor(p);
+    vec2 f = fract(p);
+    vec2 u = f * f * (3.0 - 2.0 * f);
+
+    float a = hash(i);
+    float b = hash(i + vec2(1.0, 0.0));
+    float c = hash(i + vec2(0.0, 1.0));
+    float d = hash(i + vec2(1.0, 1.0));
+
+    return mix(mix(a, b, u.x), mix(c, d, u.x), u.y);
+}
+
+float fbm(vec2 p) {
+    float value = 0.0;
+    float amplitude = 0.5;
+    float frequency = 1.0;
+
+    for (int i = 0; i < 3; i++) {
+        value += value_noise(p * frequency) * amplitude;
+        frequency *= 2.0;
+        amplitude *= 0.5;
+    }
+
+    return clamp(value, 0.0, 1.0);
+}
+
+float get_snow_amount() {
+    float snow_amount = 0.0;
+    if (global_snow_start_time >= 0.0) {
+        snow_amount = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
+    }
+    if (global_snow_melt_time >= 0.0) {
+        float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
+        snow_amount *= (1.0 - melt);
+    }
+    return snow_amount * global_snow_max_accumulation;
+}
+
 float ripple_ring(vec2 uv, float time_offset) {
     float d = length(uv);
     float ring = sin(d * 30.0 - TIME * ripple_speed + time_offset) * 0.5 + 0.5;
@@ -36,6 +89,27 @@ float ripple_ring(vec2 uv, float time_offset) {
     return ring * fade;
 }
 
+void vertex() {
+    float snow_amount = get_snow_amount();
+    vec3 world_pos = (MODEL_MATRIX * vec4(VERTEX, 1.0)).xyz;
+    vec3 world_normal = normalize((MODEL_MATRIX * vec4(NORMAL, 0.0)).xyz);
+    float snow_cap_enabled = step(0.5, global_snow_cap_enabled);
+
+    float flat_surface = smoothstep(
+        max(global_snow_threshold, global_snow_cap_flatness_start),
+        global_snow_cap_flatness_end,
+        world_normal.y
+    );
+    float accumulation_growth = smoothstep(0.08, 0.65, snow_amount);
+    float cap_noise = fbm(world_pos.xz * global_snow_cap_noise_scale + vec2(11.3, 4.7));
+    float cap_variation = mix(1.0 - global_snow_cap_noise_strength, 1.0 + global_snow_cap_noise_strength, cap_noise);
+
+    v_snow_amount = snow_amount;
+    v_snow_cap_mask = flat_surface * accumulation_growth * cap_variation * snow_cap_enabled;
+
+    VERTEX += NORMAL * (global_snow_cap_height * snow_amount * v_snow_cap_mask);
+}
+
 void fragment() {
     vec3 world_pos = (INV_VIEW_MATRIX * vec4(VERTEX, 1.0)).xyz;
     vec3 world_normal = normalize((INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz);
@@ -43,25 +117,22 @@ void fragment() {
     float noise_val = texture(noise_texture, world_pos.xz * snow_noise_scale).r;
 
     //Snow
-    float snow_amount = 0.0;
-    if (global_snow_start_time >= 0.0) {
-        snow_amount = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
-    }
-    if (global_snow_melt_time >= 0.0) {
-        float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
-        snow_amount *= (1.0 - melt);
-    }
+    float snow_amount = v_snow_amount;
 
     float snow_edge = smoothstep(
         global_snow_threshold - snow_edge_softness,
         global_snow_threshold + snow_edge_softness,
         facing_up + (noise_val - 0.5) * 0.4
     );
-    float snow_coverage = smoothstep(0.0, 0.6, noise_val + snow_amount - 0.4);
-    float snow_factor = snow_edge * snow_coverage * snow_amount;
+    float flat_accumulation = smoothstep(0.0, 0.35, v_snow_cap_mask) * snow_amount;
+    float snow_coverage = smoothstep(0.0, 0.6, noise_val + snow_amount - 0.4 + flat_accumulation * 0.25);
+    float snow_factor = max(snow_edge * snow_coverage * snow_amount, flat_accumulation);
+    float snow_opacity = smoothstep(0.04, 0.28, snow_factor);
+    snow_opacity = max(snow_opacity, flat_accumulation * 0.9);
 
     float shade = mix(-snow_color_variation, snow_color_variation, noise_val);
     vec3 snow_albedo = clamp(global_snow_color.rgb + vec3(shade), 0.0, 1.0);
+    snow_albedo = mix(snow_albedo, vec3(1.0), 0.18 + snow_opacity * 0.12);
     float snow_rough = mix(0.15 - snow_roughness_variation, 0.15 + snow_roughness_variation, noise_val);
 
     //Rain
@@ -173,7 +244,7 @@ void fragment() {
         ALBEDO    = snow_albedo;
         ROUGHNESS = snow_rough;
         METALLIC  = 0.0;
-        ALPHA     = snow_factor;
+        ALPHA     = snow_opacity;
     } else {
         ALBEDO    = rain_albedo;
         ROUGHNESS = rain_rough;

core/daynight/weather_overlay.tres

@@ -5,17 +5,3 @@
 [resource]
 render_priority = 0
 shader = ExtResource("1_weather")
-shader_parameter/snow_noise_scale = 0.15
-shader_parameter/snow_edge_softness = 0.2
-shader_parameter/snow_roughness_variation = 0.15
-shader_parameter/snow_color_variation = 0.05
-shader_parameter/ripple_scale = 1.5
-shader_parameter/ripple_speed = 2.0
-shader_parameter/ripple_layers = 3.0
-shader_parameter/streak_scale = 2.0
-shader_parameter/streak_speed = 0.8
-shader_parameter/wetness_darkening = 0.25
-shader_parameter/wet_roughness = 0.05
-shader_parameter/rain_normal_strength = 0.4
-shader_parameter/puddle_noise_scale = 0.08
-shader_parameter/puddle_threshold = 0.45

core/daynight/weather_plain_shader.gdshader

@@ -7,16 +7,13 @@ global uniform float global_snow_accumulation_speed;
 global uniform float global_snow_melt_time;
 global uniform float global_snow_melt_speed;
 global uniform vec4  global_snow_color;
-
-// Rain globals
-global uniform float global_rain_intensity;
-global uniform float global_rain_puddle_amount;
-
-// Snow parameters
 uniform float snow_edge_softness : hint_range(0.01, 0.5) = 0.15;
 uniform float snow_color_variation : hint_range(0.0, 0.15) = 0.05;
 
+
 // Rain wetness parameters
+global uniform float global_rain_intensity;
+global uniform float global_rain_puddle_amount;
 uniform float ripple_scale : hint_range(0.1, 5.0) = 1.5;
 uniform float ripple_speed : hint_range(0.5, 5.0) = 2.0;
 uniform float ripple_layers : hint_range(1.0, 4.0) = 3.0;

core/daynight/wind.gdshader

@@ -1,31 +1,26 @@
 shader_type spatial;
 render_mode unshaded;
 
-global uniform float global_wind_speed     = 1.0; //0.0 = calm, 1.0 = normal, 2.0+ = strong
-global uniform vec2  global_wind_direction  = vec2(1.0, 0.0);
-
-uniform float wave_frequency  = 1.0;
-uniform float base_amplitude  = 0.5;
-uniform float secondary_ratio = 0.6;
-uniform float time_scale_base = 3.0;
+// --- PARAMETRI ---
+uniform float time_scale = 3.0;
+uniform float wave_amplitude = 0.5; // Quanto curva a destra/sinistra
+uniform float wave_frequency = 1.0; // Ogni quanto fa la curva
 
 void vertex() {
+    // Creiamo un offset unico per ogni particella in modo che non si muovano tutte uguali
     float random_seed_offset = INSTANCE_CUSTOM.x * 100.0; 
-    float scaled_time = (TIME + random_seed_offset) * (time_scale_base * global_wind_speed);
-    float amplitude   = base_amplitude * global_wind_speed;
+    float scaled_time = (TIME + random_seed_offset) * time_scale;
     
-    vec2 wind_dir  = normalize(global_wind_direction);
-    vec2 wind_perp = vec2(-wind_dir.y, wind_dir.x); //90° perpendicular
+    // Applichiamo SOLO la curva morbida all'asse X (o Z, a seconda di come orienti la scena)
+    // Usiamo VERTEX.y per far sì che la curva si propaghi lungo tutta la lunghezza della scia
+    VERTEX.x += sin(VERTEX.y * wave_frequency + scaled_time) * wave_amplitude;
     
-    float primary_sway   = sin(VERTEX.y * wave_frequency + scaled_time) * amplitude;
-    float secondary_sway = sin(VERTEX.y * wave_frequency * 1.3 + scaled_time * 0.7 + 1.57)
-                           * (amplitude * secondary_ratio);
-
-    VERTEX.x += primary_sway * wind_dir.x  + secondary_sway * wind_perp.x;
-    VERTEX.z += primary_sway * wind_dir.y  + secondary_sway * wind_perp.y;
+    // Niente più "VERTEX.y += t;", quindi niente più teletrasporti!
 }
 
 void fragment() {
+    // Il colore e l'alpha (per lo spawn dolce e la morte lenta) 
+    // vengono comandati dalla Color Ramp del GPUParticles3D!
     ALBEDO = COLOR.rgb;
     ALPHA = COLOR.a;
 }

core/environment_config.gd

@@ -133,15 +133,27 @@ extends Resource
 @export var godray_spawn_height: float = 5.0 #Y world position where god rays spawn
 @export var godray_scale: Vector3 = Vector3(2.0, 6.0, 2.0) #Scale of the god ray mesh
 
+#Train start settings
+@export_group("Train Start")
+@export var train_start_from_random_position: bool = false #When enabled the train starts from a random offset on the rail curve instead of a stop
+@export_range(0, 64, 1, "or_greater") var train_start_stop_index: int = 1 #Stop index used for the train start when random start is disabled
+
 #Snow settings
 @export_group("Snow")
 @export var snow_amount: float = 0.0 #Initial snow coverage amount (0.0 = none, 1.0 = full)
 @export var snow_transaction_time: float = 10.0 #Seconds for snow shader to fully transition in/out
 @export var snow_fade_time: float = 5.0 #Seconds for snow particles to fade in/out
 @export var snow_threshold: float = 0.4 #Normal Y threshold for snow accumulation on surfaces
-@export var snow_accumulation_speed: float = 0.02 #Accumulation speed: 0.1 -> 10s, 0.05 -> 20s, 0.02 -> 50s, 0.2 -> 5s
+@export var snow_accumulation_speed: float = 0.014 #Accumulation speed: 0.1 -> 10s, 0.05 -> 20s, 0.02 -> 50s, 0.012 -> ~83s
 @export var snow_melt_speed: float = 0.05 #Speed at which accumulated snow melts away
+@export var show_snow_accumulation_volume: bool = true #Enables vertex snow buildup; when false snow only changes surface color
+@export var snow_max_accumulation: float = 0.25 #Maximum accumulated snow factor applied to coverage and thickness
 @export var snow_color: Color = Color(0.9, 0.95, 1.0) #Albedo color of snow on surfaces
+@export var snow_cap_height: float = 0.03 #Maximum snow thickness extruded on flat surfaces
+@export var snow_cap_flatness_start: float = 0.85 #Surface normal Y where cap buildup starts
+@export var snow_cap_flatness_end: float = 0.96 #Surface normal Y where cap buildup reaches full effect
+@export var snow_cap_noise_scale: float = 0.22 #Noise scale used to vary the snow cap silhouette
+@export var snow_cap_noise_strength: float = 0.12 #How much the cap noise changes the accumulated thickness
 @export var snow_mode_color: Color = Color(0.556, 0.62, 0.683, 1.0) #Sky/light darkening color during snow
 
 #Wind settings
@@ -152,7 +164,7 @@ extends Resource
 @export var wind_direction: Vector2 = Vector2(0.5, 0.4) #Global wind direction (XZ)
 @export var wind_speed: float = 0.2 #Global wind animation speed
 @export var wind_scale: float = 0.025 #Global wind noise scale
-@export var wind_strength: float = 0.6 #Global wind displacement strength
+@export var wind_strength: float = 0.3 #Global wind displacement strength
 @export var cloud_scale: float = 0.5 #Cloud noise scale in sky shader
 @export var cloud_speed: float = 0.05 #Cloud movement speed in sky shader
 @export_range(0.01, 1.0) var cloud_scale_envshadows_rate: float = 0.01 #Cloud scale multiplier for environment shadows

core/ui_events.gd

@@ -10,6 +10,10 @@ signal toggle_wind(value: bool)
 @warning_ignore("unused_signal")
 signal wind_change(value: float)
 @warning_ignore("unused_signal")
+signal trigger_random_weather(duration: float)
+@warning_ignore("unused_signal")
+signal weather_event_changed(description: String)
+@warning_ignore("unused_signal")
 signal toggle_fireflies(value: bool)
 @warning_ignore("unused_signal")
 signal toggle_storm(value: bool)

docs/museums/biome_generator/museum_biome_generator.tscn

@@ -349,6 +349,30 @@ theme_override_colors/font_outline_color = Color(1, 1, 1, 1)
 button_pressed = true
 text = "Shadows"
 
+[node name="RandomWeather" type="Button" parent="Control" unique_id=1047710802]
+layout_mode = 0
+offset_left = 12.0
+offset_top = 289.0
+offset_right = 157.0
+offset_bottom = 320.0
+theme_override_colors/font_color = Color(1, 1, 1, 1)
+theme_override_colors/font_focus_color = Color(1, 1, 1, 1)
+theme_override_colors/font_pressed_color = Color(1, 1, 1, 1)
+theme_override_colors/font_hover_color = Color(1, 1, 1, 1)
+theme_override_colors/font_hover_pressed_color = Color(1, 1, 1, 1)
+theme_override_colors/font_outline_color = Color(1, 1, 1, 1)
+text = "Random Weather (10\")"
+
+[node name="WeatherEventLabel" type="Label" parent="Control" unique_id=641424797]
+layout_mode = 0
+offset_left = 1656.0
+offset_top = 11.0
+offset_right = 1908.0
+offset_bottom = 34.0
+theme_override_colors/font_color = Color(1, 1, 1, 1)
+theme_override_colors/font_outline_color = Color(1, 1, 1, 1)
+text = "Weather: Clear"
+
 [connection signal="toggled" from="Control/Snow" to="Control" method="_on_snow_toggled"]
 [connection signal="toggled" from="Control/Rain" to="Control" method="_on_rain_toggled"]
 [connection signal="toggled" from="Control/Wind" to="Control" method="_on_wind_toggled"]
@@ -361,3 +385,4 @@ text = "Shadows"
 [connection signal="toggled" from="Control/Blur" to="Control" method="_on_blur_toggled"]
 [connection signal="toggled" from="Control/Pause" to="Control" method="_on_pause_toggled"]
 [connection signal="toggled" from="Control/Shadows" to="Control" method="_on_shadows_toggled"]
+[connection signal="pressed" from="Control/RandomWeather" to="Control" method="_on_random_weather_pressed"]

docs/museums/daynight/control.gd

@@ -1,6 +1,7 @@
 extends Control
 
 @onready var day_night: EnvironmentManagerRoot = $"../DayNight"
+@onready var weather_event_label: Label = $WeatherEventLabel
 @onready var day_time_label: Label = $DayTimeLabel
 @onready var day_time_slider: HSlider = $DayTimeSlider
 @onready var wind_slider: HSlider = $WindSlider
@@ -9,9 +10,11 @@ extends Control
 func _ready() -> void:
 	UIEvents.day_time_changed.connect(_on_day_time_changed)
 	UIEvents.day_time_option_changed.connect(_on_day_time_option_changed)
+	UIEvents.weather_event_changed.connect(_on_weather_event_changed)
 	if day_night != null and day_night.environment_config != null and wind_slider != null:
 		wind_slider.set_value_no_signal(day_night.environment_config.wind_strength)
 	_sync_day_time_ui()
+	_on_weather_event_changed("Weather: Clear")
 
 func _on_rain_toggled(toggled_on: bool) -> void:
 	UIEvents.toggle_rain.emit(toggled_on)
@@ -25,6 +28,9 @@ func _on_wind_toggled(toggled_on: bool) -> void:
 func _on_wind_slider_value_changed(value: float) -> void:
 	UIEvents.wind_change.emit(value)
 
+func _on_random_weather_pressed() -> void:
+	UIEvents.trigger_random_weather.emit(10.0)
+
 func _on_fireflies_toggled(toggled_on: bool) -> void:
 	UIEvents.toggle_fireflies.emit(toggled_on)
 
@@ -45,6 +51,10 @@ func _on_day_time_changed(value: float, time_string: String) -> void:
 		label_text = "Time %s | nt %.3f | dt %.3f" % [time_string, value, day_night.day_time]
 	day_time_label.text = label_text
 
+func _on_weather_event_changed(description: String) -> void:
+	if weather_event_label:
+		weather_event_label.text = description
+
 func _on_fog_overlay_toggled(toggled_on: bool) -> void:
 	UIEvents.toggle_fog_overlay.emit(toggled_on)
 

project.godot

@@ -13,6 +13,7 @@ config_version=5
 config/name="tgcc"
 run/main_scene="uid://cae0mnf353dy3"
 config/features=PackedStringArray("4.6", "Forward Plus")
+run/max_fps=60
 config/icon="uid://bfar1kk3pgq8f"
 
 [autoload]
@@ -112,3 +113,31 @@ global_wind_fade={
 "type": "float",
 "value": 1.2
 }
+global_snow_cap_height={
+"type": "float",
+"value": 0.0
+}
+global_snow_cap_flatness_start={
+"type": "float",
+"value": 0.0
+}
+global_snow_cap_flatness_end={
+"type": "float",
+"value": 0.0
+}
+global_snow_cap_noise_scale={
+"type": "float",
+"value": 0.0
+}
+global_snow_cap_noise_strength={
+"type": "float",
+"value": 0.0
+}
+global_snow_max_accumulation={
+"type": "float",
+"value": 0.0
+}
+global_snow_cap_enabled={
+"type": "bool",
+"value": false
+}

tgcc/chunk/countryside/scene/chunk_country_cross_3_02.tscn

@@ -103,7 +103,7 @@ surface_material_override/1 = ExtResource("4_yg4ko")
 [node name="MSH_Staccioanta_1_007" parent="." index="8" unique_id=166305032]
 surface_material_override/0 = ExtResource("6_k52wx")
 
-[node name="PaliLuci_003" parent="." index="9" unique_id=718749193]
+[node name="PaliLuci_003" parent="." index="9" unique_id=718749193 groups=["weather_node"]]
 surface_material_override/0 = ExtResource("7_yg4ko")
 surface_material_override/1 = ExtResource("7_yg4ko")
 

tgcc/chunk/countryside/scene/chunk_country_end_01.tscn

@@ -91,7 +91,7 @@ visible = false
 [node name="FlowerG_003" parent="." index="5" unique_id=65871813 groups=["weather_node", "wind_node"]]
 visible = false
 
-[node name="Grass_008" parent="." index="6" unique_id=1853173495 groups=["weather_vegetables_node", "wind_node"]]
+[node name="Grass_008" parent="." index="6" unique_id=1853173495]
 surface_material_override/0 = ExtResource("2_cltnj")
 
 [node name="House_M_3" parent="." index="7" unique_id=155596536 groups=["weather_node"]]
@@ -111,7 +111,7 @@ surface_material_override/0 = ExtResource("8_hmdr4")
 surface_material_override/0 = ExtResource("3_aj7xj")
 surface_material_override/1 = ExtResource("3_aj7xj")
 
-[node name="Panchina_002" parent="." index="11" unique_id=876085859]
+[node name="Panchina_002" parent="." index="11" unique_id=876085859 groups=["weather_node"]]
 surface_material_override/0 = ExtResource("8_hmdr4")
 
 [node name="Strada_006" parent="." index="12" unique_id=76888486 groups=["weather_node"]]

tgcc/chunk/countryside/scene/chunk_country_straight_02.tscn

@@ -154,7 +154,7 @@ south = true
 [node name="Argini_005" parent="." index="0" unique_id=255857931]
 surface_material_override/0 = ExtResource("2_t65ww")
 
-[node name="Bags" parent="." index="1" unique_id=2117673123 groups=["weather_node"]]
+[node name="Bags" parent="." index="1" unique_id=2117673123]
 surface_material_override/0 = SubResource("ShaderMaterial_q2s76")
 
 [node name="Cart" parent="." index="2" unique_id=884973125]
@@ -191,14 +191,14 @@ surface_material_override/0 = ExtResource("5_sy58u")
 surface_material_override/1 = ExtResource("5_sy58u")
 surface_material_override/2 = ExtResource("6_eev23")
 
-[node name="Statue" parent="." index="11" unique_id=1814801509 groups=["weather_node"]]
+[node name="Statue" parent="." index="11" unique_id=1814801509]
 surface_material_override/0 = ExtResource("5_sy58u")
 surface_material_override/1 = ExtResource("7_q2s76")
 
 [node name="Water_006" parent="." index="12" unique_id=1352334701]
 surface_material_override/0 = ExtResource("10_r4bww")
 
-[node name="WoodPile" parent="." index="13" unique_id=1088104699 groups=["weather_node"]]
+[node name="WoodPile" parent="." index="13" unique_id=1088104699]
 surface_material_override/0 = ExtResource("11_iulsg")
 surface_material_override/1 = ExtResource("12_ytk0o")
 surface_material_override/2 = SubResource("ShaderMaterial_ytk0o")

tgcc/chunk/prop/flower/bush.tres

@@ -2,13 +2,13 @@
 
 [ext_resource type="Shader" uid="uid://8l8glwvvs7fb" path="res://core/daynight/grass_leaves.gdshader" id="1_yw70r"]
 [ext_resource type="Texture2D" uid="uid://bm0roy74xo3ce" path="res://tgcc/chunk/prop/flower/bush_alpha.png" id="2_rv6bf"]
-[ext_resource type="Texture2D" path="res://tgcc/chunk/prop/flower/bush_colornoise.tres" id="3_t3pfi"]
+[ext_resource type="Texture2D" uid="uid://bkuv31yvqmqr2" path="res://tgcc/chunk/prop/flower/bush_colornoise.tres" id="3_t3pfi"]
 
 [resource]
 render_priority = 0
 shader = ExtResource("1_yw70r")
 shader_parameter/billboard_enabled = true
-shader_parameter/wind_enabled = false
+shader_parameter/wind_enabled = true
 shader_parameter/base_color = Color(0.2509804, 0.44705883, 0.20392157, 1)
 shader_parameter/alpha_texture = ExtResource("2_rv6bf")
 shader_parameter/leaves_scale = 0.65

tgcc/chunk/prop/flower/flower.tres

@@ -8,7 +8,7 @@
 render_priority = 0
 shader = ExtResource("1_28e45")
 shader_parameter/billboard_enabled = true
-shader_parameter/wind_enabled = false
+shader_parameter/wind_enabled = true
 shader_parameter/base_color = Color(0, 0.42745098, 0.9843137, 1)
 shader_parameter/alpha_texture = ExtResource("2_4kf4f")
 shader_parameter/leaves_scale = 0.365

tgcc/chunk/prop/grass/grass_chunk.tres

@@ -16,7 +16,7 @@ seamless = true
 render_priority = 0
 shader = ExtResource("1_a5yde")
 shader_parameter/billboard_enabled = true
-shader_parameter/wind_enabled = false
+shader_parameter/wind_enabled = true
 shader_parameter/base_color = Color(0.3882353, 0.52156866, 0.20784314, 1)
 shader_parameter/alpha_texture = ExtResource("2_4hc02")
 shader_parameter/leaves_scale = 0.65

tgcc/chunk/prop/grass/grass_chunk_weeds.tres

@@ -7,7 +7,7 @@
 render_priority = 0
 shader = ExtResource("1_0cuwq")
 shader_parameter/billboard_enabled = true
-shader_parameter/wind_enabled = false
+shader_parameter/wind_enabled = true
 shader_parameter/base_color = Color(0.103467666, 0.34917185, 0.14285779, 1)
 shader_parameter/alpha_texture = ExtResource("2_ldsj3")
 shader_parameter/leaves_scale = 0.92

tgcc/chunk/prop/grass/grass_chunk_weeds2.tres

@@ -7,7 +7,7 @@
 render_priority = 0
 shader = ExtResource("1_vpd27")
 shader_parameter/billboard_enabled = true
-shader_parameter/wind_enabled = false
+shader_parameter/wind_enabled = true
 shader_parameter/base_color = Color(0.14700681, 0.45590013, 0.22758594, 1)
 shader_parameter/alpha_texture = ExtResource("2_wl0p2")
 shader_parameter/leaves_scale = 0.46
@@ -21,3 +21,4 @@ shader_parameter/highlight_intensity = 0.0
 shader_parameter/light_steps = 10.0
 shader_parameter/random_mix = 0.010000000475
 shader_parameter/cast_shadow_strength = 0.6
+shader_parameter/wetness_darkening = 0.25