From 211455f5da98e1c137e4fba9e768d98acb7a4f85 Mon Sep 17 00:00:00 2001
From: Overside srl <f.fabbrizi@jmpgames.it>
Date: Fri, 24 Apr 2026 15:36:10 +0200
Subject: [PATCH] fix materials for wind and add new snow system

---
 core/daynight/snow_cap.gd                     | 114 ++++++++++++++++++
 core/daynight/snow_cap.gd.uid                 |   1 +
 core/daynight/snow_cap.gdshader               | 114 ++++++++++++++++++
 core/daynight/snow_cap.gdshader.uid           |   1 +
 core/daynight/weather_controller.gd           |   6 +
 core/daynight/weather_overlay.gdshader        |  91 ++++++++++++--
 core/daynight/weather_overlay.tres            |  14 ---
 core/daynight/weather_plain_shader.gdshader   |   9 +-
 core/environment_config.gd                    |  10 +-
 project.godot                                 |  24 ++++
 .../scene/chunk_country_cross_3_02.tscn       |   2 +-
 .../scene/chunk_country_end_01.tscn           |   4 +-
 .../scene/chunk_country_straight_02.tscn      |   6 +-
 tgcc/chunk/prop/flower/bush.tres              |   4 +-
 tgcc/chunk/prop/flower/flower.tres            |   2 +-
 tgcc/chunk/prop/grass/grass_chunk.tres        |   2 +-
 tgcc/chunk/prop/grass/grass_chunk_weeds.tres  |   2 +-
 tgcc/chunk/prop/grass/grass_chunk_weeds2.tres |   3 +-
 18 files changed, 364 insertions(+), 45 deletions(-)
 create mode 100644 core/daynight/snow_cap.gd
 create mode 100644 core/daynight/snow_cap.gd.uid
 create mode 100644 core/daynight/snow_cap.gdshader
 create mode 100644 core/daynight/snow_cap.gdshader.uid

diff --git a/core/daynight/snow_cap.gd b/core/daynight/snow_cap.gd
new file mode 100644
index 0000000..0545abc
--- /dev/null
+++ b/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,
+	]
diff --git a/core/daynight/snow_cap.gd.uid b/core/daynight/snow_cap.gd.uid
new file mode 100644
index 0000000..214944b
--- /dev/null
+++ b/core/daynight/snow_cap.gd.uid
@@ -0,0 +1 @@
+uid://bxc6ketfgedxw
diff --git a/core/daynight/snow_cap.gdshader b/core/daynight/snow_cap.gdshader
new file mode 100644
index 0000000..5249728
--- /dev/null
+++ b/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);
+	}
+}
diff --git a/core/daynight/snow_cap.gdshader.uid b/core/daynight/snow_cap.gdshader.uid
new file mode 100644
index 0000000..7473c67
--- /dev/null
+++ b/core/daynight/snow_cap.gdshader.uid
@@ -0,0 +1 @@
+uid://c7js7ytvewmab
diff --git a/core/daynight/weather_controller.gd b/core/daynight/weather_controller.gd
index c174633..870cb8b 100644
--- a/core/daynight/weather_controller.gd
+++ b/core/daynight/weather_controller.gd
@@ -699,6 +699,12 @@ 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_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)
 		
diff --git a/core/daynight/weather_overlay.gdshader b/core/daynight/weather_overlay.gdshader
index d0b2efd..c432cfa 100644
--- a/core/daynight/weather_overlay.gdshader
+++ b/core/daynight/weather_overlay.gdshader
@@ -8,6 +8,12 @@ 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_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 +35,52 @@ 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 +88,26 @@ 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 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;
+
+    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 +115,22 @@ 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 +242,7 @@ void fragment() {
         ALBEDO    = snow_albedo;
         ROUGHNESS = snow_rough;
         METALLIC  = 0.0;
-        ALPHA     = snow_factor;
+        ALPHA     = snow_opacity;
     } else {
         ALBEDO    = rain_albedo;
         ROUGHNESS = rain_rough;
diff --git a/core/daynight/weather_overlay.tres b/core/daynight/weather_overlay.tres
index 03906a7..8d78446 100644
--- a/core/daynight/weather_overlay.tres
+++ b/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
diff --git a/core/daynight/weather_plain_shader.gdshader b/core/daynight/weather_plain_shader.gdshader
index e926af0..ab4f78d 100644
--- a/core/daynight/weather_plain_shader.gdshader
+++ b/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;
diff --git a/core/environment_config.gd b/core/environment_config.gd
index adc4235..9bf167a 100644
--- a/core/environment_config.gd
+++ b/core/environment_config.gd
@@ -139,9 +139,15 @@ extends Resource
 @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 = 0.018 #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 snow_max_accumulation: float = 0.3 #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 +158,7 @@ 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
diff --git a/project.godot b/project.godot
index a4cf5d8..368d02b 100644
--- a/project.godot
+++ b/project.godot
@@ -112,3 +112,27 @@ 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
+}
diff --git a/tgcc/chunk/countryside/scene/chunk_country_cross_3_02.tscn b/tgcc/chunk/countryside/scene/chunk_country_cross_3_02.tscn
index a278266..5617bac 100644
--- a/tgcc/chunk/countryside/scene/chunk_country_cross_3_02.tscn
+++ b/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")
 
diff --git a/tgcc/chunk/countryside/scene/chunk_country_end_01.tscn b/tgcc/chunk/countryside/scene/chunk_country_end_01.tscn
index 20fdad4..b018675 100644
--- a/tgcc/chunk/countryside/scene/chunk_country_end_01.tscn
+++ b/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"]]
diff --git a/tgcc/chunk/countryside/scene/chunk_country_straight_02.tscn b/tgcc/chunk/countryside/scene/chunk_country_straight_02.tscn
index 5ff1099..229c3c2 100644
--- a/tgcc/chunk/countryside/scene/chunk_country_straight_02.tscn
+++ b/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")
diff --git a/tgcc/chunk/prop/flower/bush.tres b/tgcc/chunk/prop/flower/bush.tres
index 6a0f496..e81730e 100644
--- a/tgcc/chunk/prop/flower/bush.tres
+++ b/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
diff --git a/tgcc/chunk/prop/flower/flower.tres b/tgcc/chunk/prop/flower/flower.tres
index 4476254..9e1f542 100644
--- a/tgcc/chunk/prop/flower/flower.tres
+++ b/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
diff --git a/tgcc/chunk/prop/grass/grass_chunk.tres b/tgcc/chunk/prop/grass/grass_chunk.tres
index 619b979..0cebce2 100644
--- a/tgcc/chunk/prop/grass/grass_chunk.tres
+++ b/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
diff --git a/tgcc/chunk/prop/grass/grass_chunk_weeds.tres b/tgcc/chunk/prop/grass/grass_chunk_weeds.tres
index d1809fb..800ba99 100644
--- a/tgcc/chunk/prop/grass/grass_chunk_weeds.tres
+++ b/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
diff --git a/tgcc/chunk/prop/grass/grass_chunk_weeds2.tres b/tgcc/chunk/prop/grass/grass_chunk_weeds2.tres
index a8c0a9c..2451015 100644
--- a/tgcc/chunk/prop/grass/grass_chunk_weeds2.tres
+++ b/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