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Merge branch 'main' of https://gitea.jmpgames.it/jmp-games/tgcc

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Overside srl
2026-05-10 11:09:41 +02:00
parent 10b437d236 9c41da14a6
commit bcf854fd74
34 changed files with 398 additions and 959 deletions
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46
core/daynight/environment_manager.gd
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@@ -3,7 +3,6 @@ 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")
const DYNAMIC_ENVIRONMENT_UPDATES_PER_FRAME: int = 2 #how many update of the environment (apply materials) will be done per frame
@export var environment_config: EnvironmentConfig
@@ -134,7 +133,7 @@ func _apply_dynamic_environment_materials(node: Node) -> void:
_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)
_clear_weather_overlay_from_node(node)
func ApplyWindNoiseToMaterials():
for node in get_tree().get_nodes_in_group("wind_node"):
@@ -160,15 +159,54 @@ func ApplyWeatherShaderToMaterials():
_apply_weather_overlay_to_node(node, WEATHER_SHADER)
for node in get_tree().get_nodes_in_group("weather_vegetables_node"):
_apply_weather_overlay_to_node(node, WEATHER_PLAIN_SHADER)
_clear_weather_overlay_from_node(node)
func _apply_weather_overlay_to_node(node: Node, material: Material) -> void:
if node.is_in_group("weather_vegetables_node"):
_clear_weather_overlay_from_node(node)
return
if node is GeometryInstance3D:
node.material_overlay = material
if _geometry_uses_alpha_texture(node):
node.material_overlay = null
else:
node.material_overlay = material
for child in node.get_children():
_apply_weather_overlay_to_node(child, material)
func _clear_weather_overlay_from_node(node: Node) -> void:
if node is GeometryInstance3D:
node.material_overlay = null
for child in node.get_children():
_clear_weather_overlay_from_node(child)
func _geometry_uses_alpha_texture(node: GeometryInstance3D) -> bool:
var material_override := node.material_override as ShaderMaterial
if _shader_material_uses_alpha_texture(material_override):
return true
if node is MeshInstance3D:
for surface_index in node.get_surface_override_material_count():
var surface_material := node.get_surface_override_material(surface_index) as ShaderMaterial
if _shader_material_uses_alpha_texture(surface_material):
return true
if node.mesh:
for surface_index in node.mesh.get_surface_count():
var mesh_material := node.mesh.surface_get_material(surface_index) as ShaderMaterial
if _shader_material_uses_alpha_texture(mesh_material):
return true
return false
func _shader_material_uses_alpha_texture(material: ShaderMaterial) -> bool:
if material == null or material.shader == null:
return false
return material.shader.code.find("alpha_texture") != -1
func select_day_time(normalized_time: float) -> void:
#set show_day_time_debug = true to show debug on screen
#normalized_time is a value between 0 and 1; the time of the day is calculate as "normalized_time" * 1440; day_time is the step to pass from sunrise, to day, to sunset, to night

1
core/daynight/environment_shadows.gdshader
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@@ -67,7 +67,6 @@ void fragment() {
float is_center = step(center_sharpness, internal_n);
ALBEDO = shadow_color;
ALPHA = mix(opacity_edge, opacity_center, is_center) * final_fade;
}
}

43
core/daynight/grass_leaves.gdshader
View File

@@ -8,10 +8,12 @@ global uniform float global_wind_speed;
global uniform float global_wind_strength;
global uniform vec2 global_wind_direction;
//global uniform sampler2D global_wind_noise : filter_linear_mipmap;
global uniform float global_snow_start_time;
global uniform float global_snow_accumulation_speed;
global uniform float global_snow_melt_time;
global uniform float global_snow_melt_speed;
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
global uniform float global_rain_intensity;
// --- PARAMETRI ESTETICI ---
uniform bool billboard_enabled = true;
@@ -31,6 +33,7 @@ uniform vec4 variance_color : source_color = vec4(0.3, 0.5, 0.2, 1.0); // Colore
uniform float variance_intensity : hint_range(0.0, 1.0) = 0.4; // Quanto si vedono le chiazze
uniform vec4 snow_color : source_color = vec4(0.85, 0.9, 0.95, 1.0);
uniform float snow_visibility : hint_range(0.0, 1.0) = 1.0;
// --- CONTROLLO GRADIENTE E RANDOM ---
uniform float height_min = 0.0;
@@ -41,6 +44,7 @@ uniform float light_steps : hint_range(1.0, 10.0) = 4.0;
uniform float random_mix : hint_range(0.0, 1.0) = 0.3;
uniform float cast_shadow_strength : hint_range(0.0, 1.0) = 0.6;
uniform float wetness_darkening : hint_range(0.0, 0.5) = 0.25;
varying vec3 v_final_color;
varying float v_shade_factor;
@@ -52,6 +56,21 @@ float hash(vec3 p) {
return fract((p.x + p.y) * p.z);
}
float get_snow_progress() {
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
}
void vertex() {
vec3 instance_pos = MODEL_MATRIX[3].xyz;
v_world_pos = instance_pos; // Salviamo la posizione dell'istanza
@@ -113,17 +132,10 @@ void fragment() {
// Applichiamo la variazione al colore finale dell'erba
vec3 varied_grass_color = mix(v_final_color, variance_color.rgb, noise_sample * variance_intensity);
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 = smoothstep(0.0, 1.0, get_snow_progress());
float top_mask = 1.0 - shifted_uv.y;
float snow_mask = smoothstep(1.0 - snow_amount, 1.2 - snow_amount, top_mask);
float snow_mask = smoothstep(0.65, 1.0, top_mask) * snow_amount * snow_visibility;
snow_mask *= step(0.01, snow_amount);
vec3 dark_snow = snow_color.rgb * (1.0 - shadow_intensity);
@@ -131,12 +143,15 @@ void fragment() {
// Mescoliamo il colore variato con la neve
vec3 final_albedo = mix(varied_grass_color, shaded_snow, snow_mask);
float rain_int = clamp(global_rain_intensity, 0.0, 1.0);
final_albedo *= mix(1.0, 1.0 - wetness_darkening, rain_int);
float final_roughness = mix(0.02, 0.005, rain_int);
ALBEDO = final_albedo;
ALPHA = tex.r * opacity;
ALPHA_SCISSOR_THRESHOLD = 0.5;
ROUGHNESS = 0.02;
ROUGHNESS = final_roughness;
}
void light() {

10
core/daynight/snow_cap.gdshader
View File

@@ -2,9 +2,10 @@ 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_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
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;
@@ -51,17 +52,18 @@ float fbm(vec2 p) {
}
float get_snow_amount() {
float snow_amount = 0.0;
float snow_amount = clamp(global_snow_amount, 0.0, 1.0);
if (global_snow_start_time >= 0.0) {
snow_amount = clamp(
float timed_amount = clamp(
(TIME - global_snow_start_time) * global_snow_accumulation_speed,
0.0,
1.0
);
snow_amount = max(snow_amount, timed_amount);
}
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);
snow_amount = min(snow_amount, 1.0 - melt);
}
return snow_amount;
}

54
core/daynight/tree_leaves.gdshader
View File

@@ -6,12 +6,12 @@ global uniform vec2 global_wind_direction;
global uniform float global_wind_scale;
global uniform float global_wind_strength;
global uniform float global_wind_fade;
/*
global uniform float global_snow_start_time;
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;*/
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
global uniform vec4 global_snow_color;
global uniform float global_rain_intensity;
uniform sampler2D wind_noise : filter_linear_mipmap;
@@ -31,6 +31,7 @@ uniform float light_steps : hint_range(1.0, 10.0) = 4.0;
uniform float random_mix : hint_range(0.0, 1.0) = 0.3;
uniform float cast_shadow_strength : hint_range(0.0, 1.0) = 0.6;
uniform float wetness_darkening : hint_range(0.0, 0.5) = 0.25;
uniform float snow_visibility : hint_range(0.0, 1.0) = 1.0;
varying vec3 v_final_color;
varying float v_shade_factor;
@@ -41,6 +42,21 @@ float hash(vec3 p) {
return fract((p.x + p.y) * p.z);
}
float get_snow_progress() {
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
}
void vertex() {
vec3 instance_pos = MODEL_MATRIX[3].xyz;
@@ -88,24 +104,16 @@ void fragment() {
vec2 shifted_uv = UV + texture_offset;
vec4 tex = texture(alpha_texture, shifted_uv);
//// Snow accumulation
//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 top_mask = 1.0 - shifted_uv.y;
//float snow_mask = smoothstep(1.0 - snow_amount, 1.2 - snow_amount, top_mask);
//snow_mask *= step(0.01, snow_amount);
// Snow accumulation
float snow_amount = pow(get_snow_progress(), 0.55);
//vec3 dark_snow = global_snow_color.rgb * (1.0 - shadow_intensity);
//vec3 shaded_snow = mix(dark_snow, global_snow_color.rgb, v_shade_factor);
//vec3 final_albedo = mix(v_final_color, shaded_snow, snow_mask);
vec3 final_albedo = v_final_color;
float top_mask = 1.0 - shifted_uv.y;
float snow_mask = smoothstep(1.0 - snow_amount * 1.35, 1.08 - snow_amount * 1.35, top_mask) * snow_visibility;
snow_mask *= step(0.01, snow_amount);
vec3 dark_snow = global_snow_color.rgb * (1.0 - shadow_intensity);
vec3 shaded_snow = mix(dark_snow, global_snow_color.rgb, v_shade_factor);
vec3 final_albedo = mix(v_final_color, shaded_snow, snow_mask);
// Rain wetness: darken and make shinier
float rain_int = clamp(global_rain_intensity, 0.0, 1.0);

30
core/daynight/water_ripple.gdshader
View File

@@ -3,6 +3,12 @@ render_mode blend_mix, depth_draw_always;
global uniform float global_rain_intensity;
global uniform vec4 global_water_color = vec4(0.285, 0.534, 0.487, 1.0);
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
global uniform vec4 global_snow_color = vec4(0.92, 0.96, 1.0, 1.0);
//Water color
uniform vec4 deep_water_color : source_color = vec4(0.0, 0.1, 0.2, 1.0);
@@ -29,6 +35,21 @@ uniform sampler2D depth_texture : hint_depth_texture, filter_linear_mipmap;
varying vec2 world_pos_xz;
varying vec2 local_uv;
float get_snow_progress() {
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
}
void vertex() {
world_pos_xz = (MODEL_MATRIX * vec4(VERTEX, 1.0)).xz;
local_uv = UV;
@@ -82,8 +103,15 @@ void fragment() {
float is_sky = step(ref_depth_raw, 0.00001); // Protezione anti-cielo
reflection_mask *= (1.0 - is_sky);
vec3 final_rgb = mix(base_water.rgb, screen_ref, reflection_strength * reflection_mask);
float snow_progress = get_snow_progress();
float active_snowfall = step(0.0, global_snow_start_time) * (1.0 - step(0.0, global_snow_melt_time));
float reflection_snow_damping = max(smoothstep(0.0, 0.08, snow_progress), active_snowfall * 0.75);
float effective_reflection_strength = reflection_strength * (1.0 - reflection_snow_damping * 0.85);
vec3 final_rgb = mix(base_water.rgb, screen_ref, effective_reflection_strength * reflection_mask);
final_rgb = mix(final_rgb, ripple_color.rgb, ring * ripple_color.a);
float water_snow_amount = smoothstep(0.15, 1.0, snow_progress) * 0.18;
final_rgb = mix(final_rgb, global_snow_color.rgb, water_snow_amount);
ALBEDO = final_rgb;

144
core/daynight/water_river.gdshader
View File

@@ -6,9 +6,9 @@
shader_type spatial;
#if USE_UNSHADED
render_mode unshaded, depth_draw_never;
render_mode unshaded, depth_draw_never;
#else
render_mode depth_draw_never;
render_mode depth_draw_never;
#endif
uniform sampler2D DEPTH_TEXTURE: hint_depth_texture;
@@ -24,16 +24,16 @@ uniform float surface_roughness : hint_range(0.0, 1.0, 0.01) = 0.05;
uniform float foam_roughness : hint_range(0.0, 1.0, 0.01) = 0.05;
#if USE_CAUSTICS
group_uniforms Caustics;
uniform sampler2D caustics_texture;
uniform float caustics_strength = 2.0;
uniform vec2 caustics_scale = vec2(0.5);
group_uniforms Caustics;
uniform sampler2D caustics_texture;
uniform float caustics_strength = 2.0;
uniform vec2 caustics_scale = vec2(0.5);
#endif
group_uniforms Wave;
uniform sampler2D wave_texture;
#if !USE_UNSHADED
uniform sampler2D wave_normal_texture;
uniform sampler2D wave_normal_texture;
#endif
uniform float wave_softness : hint_range(0.0, 10.0, 0.1) = 3.0;
uniform vec2 wave_scale = vec2(0.2);
@@ -52,36 +52,36 @@ uniform float foam_end : hint_range(0.0, 1.0, 0.05) = 0.3;
uniform float foam_exponent = 2.0;
#if USE_REFRACTION
group_uniforms Refraction;
uniform float refraction_amount = 0.5;
uniform float refraction_exponent = 0.5;
group_uniforms Refraction;
uniform float refraction_amount = 0.5;
uniform float refraction_exponent = 0.5;
#endif
#if USE_DISPLACEMENT
group_uniforms Displacement;
uniform float displacement_amount = 0.3;
group_uniforms Displacement;
uniform float displacement_amount = 0.3;
#endif
#if USE_STYLIZED_LIGHTING && !USE_UNSHADED
group_uniforms Lighting;
uniform float diffuse_steps = 12.0;
uniform float diffuse_smoothness : hint_range(0.0, 1.0, 0.01) = 0.2;
uniform float specular_steps = 12.0;
uniform float specular_smoothness : hint_range(0.0, 1.0, 0.01) = 0.2;
group_uniforms Lighting;
uniform float diffuse_steps = 12.0;
uniform float diffuse_smoothness : hint_range(0.0, 1.0, 0.01) = 0.2;
uniform float specular_steps = 12.0;
uniform float specular_smoothness : hint_range(0.0, 1.0, 0.01) = 0.2;
#endif
uniform sampler2D screen_texture : hint_screen_texture;
varying vec3 world_pos;
#if USE_CAUSTICS
vec3 sample_caustics(vec2 uv){
vec2 caustics_uv = uv * caustics_scale;
return vec3(
texture(caustics_texture, caustics_uv).r,
texture(caustics_texture, caustics_uv+vec2(0.02,0.02)).r,
texture(caustics_texture, caustics_uv+vec2(0.03,0.01)).r
);
}
vec3 sample_caustics(vec2 uv){
vec2 caustics_uv = uv * caustics_scale;
return vec3(
texture(caustics_texture, caustics_uv).r,
texture(caustics_texture, caustics_uv+vec2(0.02,0.02)).r,
texture(caustics_texture, caustics_uv+vec2(0.03,0.01)).r
);
}
#endif
vec4 sample_world_dpos(vec2 screen_uv, mat4 inv_proj_mat, mat4 inv_view_mat){
@@ -107,8 +107,8 @@ void vertex(){
world_pos = (MODEL_MATRIX * vec4(VERTEX, 1.0)).xyz;
#if USE_DISPLACEMENT
float wave = sample_wave(wave_texture, world_pos.xz, wave_velocity, wave_softness).r;
VERTEX.y += wave*displacement_amount;
float wave = sample_wave(wave_texture, world_pos.xz, wave_velocity, wave_softness).r;
VERTEX.y += wave*displacement_amount;
#endif
}
@@ -120,17 +120,17 @@ void fragment() {
// Refraction
#if USE_REFRACTION
screen_uv += ((pow(wave, refraction_exponent)*2.0 - 0.5) * 0.01 * refraction_amount);
vec4 world_dpos = sample_world_dpos(screen_uv, INV_PROJECTION_MATRIX, INV_VIEW_MATRIX);
float pre_depth = pow(clamp((world_dpos.y - world_pos.y + depth_size)/depth_size, 0.0, 1.0), 4.0);
screen_uv = mix(screen_uv, SCREEN_UV, pre_depth);
if(world_dpos.y - world_pos.y > 0.0){
screen_uv = SCREEN_UV;
}
screen_uv += ((pow(wave, refraction_exponent)*2.0 - 0.5) * 0.01 * refraction_amount);
vec4 world_dpos = sample_world_dpos(screen_uv, INV_PROJECTION_MATRIX, INV_VIEW_MATRIX);
float pre_depth = pow(clamp((world_dpos.y - world_pos.y + depth_size)/depth_size, 0.0, 1.0), 4.0);
screen_uv = mix(screen_uv, SCREEN_UV, pre_depth);
if(world_dpos.y - world_pos.y > 0.0){
screen_uv = SCREEN_UV;
}
#else
vec4 world_dpos = sample_world_dpos(screen_uv, INV_PROJECTION_MATRIX, INV_VIEW_MATRIX);
vec4 world_dpos = sample_world_dpos(screen_uv, INV_PROJECTION_MATRIX, INV_VIEW_MATRIX);
#endif
world_dpos = sample_world_dpos(screen_uv, INV_PROJECTION_MATRIX, INV_VIEW_MATRIX);
@@ -141,9 +141,9 @@ void fragment() {
// Caustics
#if USE_CAUSTICS
vec3 caustics1 = sample_caustics(surface_uv + (TIME * -wave_velocity));
vec3 caustics2 = sample_caustics((surface_uv + (caustics1.r*0.05)) + (TIME * (wave_velocity*0.5)));
vec3 caustics = caustics2 * (1.0 - depth);
vec3 caustics1 = sample_caustics(surface_uv + (TIME * -wave_velocity));
vec3 caustics2 = sample_caustics((surface_uv + (caustics1.r*0.05)) + (TIME * (wave_velocity*0.5)));
vec3 caustics = caustics2 * (1.0 - depth);
#endif
// Edge Foam
@@ -163,15 +163,15 @@ void fragment() {
vec4 screen = texture(screen_texture, screen_uv);
vec3 color = screen.rgb;
#if USE_CAUSTICS
color += vec3(pow(caustics * caustics_strength, vec3(2.0)));
color += vec3(pow(caustics * caustics_strength, vec3(2.0)));
#endif
color = mix(flat_color, color, 0.4 * depth);
color = mix(color, surface_color.rgb, wave * wave_highlight);
color = mix(color, foam_color.rgb, foam);
#if !USE_UNSHADED
vec3 wave_normal_map = sample_wave(wave_normal_texture, world_pos.xz, wave_velocity, wave_softness).rgb;
NORMAL_MAP = wave_normal_map;
vec3 wave_normal_map = sample_wave(wave_normal_texture, world_pos.xz, wave_velocity, wave_softness).rgb;
NORMAL_MAP = wave_normal_map;
#endif
ROUGHNESS = mix(surface_roughness, foam_roughness, foam);
@@ -180,33 +180,33 @@ void fragment() {
}
#if USE_STYLIZED_LIGHTING && !USE_UNSHADED
void light(){
float ndotl = dot(NORMAL, LIGHT) * ATTENUATION;
//ndotl = smoothstep(0.0,1.0-ROUGHNESS,ndotl);
float light = ndotl;
float light_mult = light * diffuse_steps;
float light_step_base = floor(light_mult);
float light_factor = light_mult - light_step_base;
light_factor = smoothstep(0.5 - diffuse_smoothness * 0.5, 0.5 + diffuse_smoothness * 0.5, light_factor);
light = (light_step_base + light_factor) / diffuse_steps;
DIFFUSE_LIGHT += (LIGHT_COLOR+ALBEDO) * light / PI;
float roughness = mix(0.01, 0.99, ROUGHNESS);
vec3 h = normalize(VIEW + LIGHT);
float ndoth = clamp(dot(NORMAL, h), 0.0, 1.0) * ATTENUATION;
float specular = clamp(pow(ndoth, 16.0/(roughness)), 0.1, 0.99);
specular = mix(pow(specular, 2.0-roughness),0.00,pow(roughness, 0.1));
float specular_mult = specular * specular_steps;
float specular_step_base = floor(specular_mult);
float specular_factor = specular_mult - specular_step_base;
specular_factor = smoothstep(0.5 - specular_smoothness * 0.5, 0.5 + specular_smoothness * 0.5, specular_factor);
specular = (specular_step_base + specular_factor) / specular_steps;
SPECULAR_LIGHT += (LIGHT_COLOR + ALBEDO) * specular;
}
void light(){
float ndotl = dot(NORMAL, LIGHT) * ATTENUATION;
//ndotl = smoothstep(0.0,1.0-ROUGHNESS,ndotl);
float light = ndotl;
float light_mult = light * diffuse_steps;
float light_step_base = floor(light_mult);
float light_factor = light_mult - light_step_base;
light_factor = smoothstep(0.5 - diffuse_smoothness * 0.5, 0.5 + diffuse_smoothness * 0.5, light_factor);
light = (light_step_base + light_factor) / diffuse_steps;
DIFFUSE_LIGHT += (LIGHT_COLOR+ALBEDO) * light / PI;
float roughness = mix(0.01, 0.99, ROUGHNESS);
vec3 h = normalize(VIEW + LIGHT);
float ndoth = clamp(dot(NORMAL, h), 0.0, 1.0) * ATTENUATION;
float specular = clamp(pow(ndoth, 16.0/(roughness)), 0.1, 0.99);
specular = mix(pow(specular, 2.0-roughness),0.00,pow(roughness, 0.1));
float specular_mult = specular * specular_steps;
float specular_step_base = floor(specular_mult);
float specular_factor = specular_mult - specular_step_base;
specular_factor = smoothstep(0.5 - specular_smoothness * 0.5, 0.5 + specular_smoothness * 0.5, specular_factor);
specular = (specular_step_base + specular_factor) / specular_steps;
SPECULAR_LIGHT += (LIGHT_COLOR + ALBEDO) * specular;
}
#endif

62
core/daynight/weather_controller.gd
View File

@@ -34,12 +34,15 @@ var rain_tween: Tween
var rain_audio_tween: Tween
var puddle_tween: Tween
var puddle_amount: float = 0.0
var clouds_tween: Tween
var snow_tween: Tween
var snow_weather_tween: Tween
var snow_particles_tween: Tween
var is_snowing: bool = false
var is_snow_accumulated: bool = false
var actual_snow_amount: float = 0.0
var snow_weather_amount: float = 0.0
var is_storm: bool = false
var cold_tween: Tween
@@ -188,10 +191,10 @@ func _process(delta: float) -> void:
var final_fog_density = lerp(base_fog_density, base_fog_density * 4.0, clamp(rain_intensity, 0.0, 1.0))
var final_water_color = base_water_color.darkened(clamp(environment_config.water_darkening_rain, 0.0, 1.0) * clamp(rain_intensity, 0.0, 1.0))
final_tint = final_tint.lerp(final_tint * environment_config.snow_mode_color, actual_snow_amount)
final_sky_top = final_sky_top.lerp(final_sky_top * environment_config.snow_mode_color, actual_snow_amount)
final_sky_horizon = final_sky_horizon.lerp(final_sky_horizon * environment_config.snow_mode_color, actual_snow_amount)
final_fog_color = final_fog_color.lerp(final_fog_color * environment_config.snow_mode_color, actual_snow_amount)
final_tint = final_tint.lerp(final_tint * environment_config.snow_mode_color, snow_weather_amount)
final_sky_top = final_sky_top.lerp(final_sky_top * environment_config.snow_mode_color, snow_weather_amount)
final_sky_horizon = final_sky_horizon.lerp(final_sky_horizon * environment_config.snow_mode_color, snow_weather_amount)
final_fog_color = final_fog_color.lerp(final_fog_color * environment_config.snow_mode_color, snow_weather_amount)
#Shader parameters for global trunk_shader
var final_grad_top = base_grad_top.lerp(base_grad_top * weather_color, clamp(rain_intensity, 0.0, 1.0))
@@ -205,8 +208,8 @@ func _process(delta: float) -> void:
var night_val = clamp(day_time - 2.0, 0.0, 1.0)
#Snow exposure compensation
var snow_light_attenuation = lerp(1.0, 0.55, actual_snow_amount * (1.0 - night_val))
var snow_glow_attenuation = lerp(1.0, 0.5, actual_snow_amount)
var snow_light_attenuation = lerp(1.0, 0.55, snow_weather_amount * (1.0 - night_val))
var snow_glow_attenuation = lerp(1.0, 0.5, snow_weather_amount)
var final_bloom = lerp(base_bloom, base_bloom * 0.5, rain_intensity) * snow_glow_attenuation
# We calculate the final exposure by applying snow damping directly to the camera exposure
@@ -247,11 +250,17 @@ func _process(delta: float) -> void:
sky_mat.set_shader_parameter("sun_color", final_tint)
sky_mat.set_shader_parameter("night_intensity", night_val)
var cloud_density_amount: float = maxf(clamp(rain_intensity, 0.0, 1.0), clamp(snow_weather_amount, 0.0, 1.0))
var current_cloud_density: float = lerp(environment_config.base_cloud_density, environment_config.rain_cloud_density, cloud_density_amount)
if environment_config.material_clouds:
var current_density = lerp(0.4, 1.0, rain_intensity)
environment_config.material_clouds.set_shader_parameter("cloud_density", current_density)
var current_sharpness = lerp(0.14, 0.0, rain_intensity)
environment_config.material_clouds.set_shader_parameter("cloud_density", current_cloud_density)
var current_sharpness = lerp(0.14, 0.0, cloud_density_amount)
environment_config.material_clouds.set_shader_parameter("center_sharpness", current_sharpness)
var env_shadow_mat = environment_shadows.get_surface_override_material(0) if environment_shadows else null
if env_shadow_mat:
env_shadow_mat.set_shader_parameter("cloud_density", current_cloud_density)
if environment_config.material_fog:
environment_config.material_fog.set_shader_parameter("fog_color", final_fog_color)
@@ -681,7 +690,7 @@ func toggle_rain(value: bool):
if puddle_tween and puddle_tween.is_valid():
puddle_tween.kill()
if is_raining:
particles_rain.amount_ratio = 0.0
particles_rain.emitting = true
@@ -801,8 +810,23 @@ func toggle_snow(value: bool):
var target_snow_amount: float = 1.0 if is_snowing else 0.0
if snow_tween and snow_tween.is_valid():
snow_tween.kill()
if snow_weather_tween and snow_weather_tween.is_valid():
snow_weather_tween.kill()
var snow_amount_transition_duration: float = _get_snow_amount_transition_duration(is_snowing)
snow_tween = create_tween()
snow_tween.tween_method(init_snow_amount, actual_snow_amount, target_snow_amount, environment_config.snow_transaction_time)
snow_tween.tween_method(
init_snow_amount,
actual_snow_amount,
target_snow_amount,
snow_amount_transition_duration
)
snow_weather_tween = create_tween()
snow_weather_tween.tween_method(
init_snow_weather_amount,
snow_weather_amount,
target_snow_amount,
environment_config.snow_fade_time
)
_emit_weather_event_label()
func _emit_weather_event_label() -> void:
@@ -826,6 +850,7 @@ func _emit_weather_event_label() -> void:
#disable snow and set default values and shader
func init_snow(value: float = 0.0):
actual_snow_amount = value
snow_weather_amount = value
RenderingServer.global_shader_parameter_set("global_snow_amount", value)
if particles_snow:
@@ -850,6 +875,9 @@ func init_snow_amount(value: float):
actual_snow_amount = value
RenderingServer.global_shader_parameter_set("global_snow_amount", value)
func init_snow_weather_amount(value: float):
snow_weather_amount = value
func start_snow_accumulation() -> void:
RenderingServer.global_shader_parameter_set("global_snow_melt_time", -1.0)
RenderingServer.global_shader_parameter_set("global_snow_start_time", Time.get_ticks_msec() / 1000.0)
@@ -858,6 +886,18 @@ func start_snow_melt() -> void:
RenderingServer.global_shader_parameter_set("global_snow_melt_time", Time.get_ticks_msec() / 1000.0)
RenderingServer.global_shader_parameter_set("global_snow_melt_speed", environment_config.snow_melt_speed)
func _get_snow_amount_transition_duration(is_accumulating: bool) -> float:
if environment_config == null:
return 0.0
var speed: float = environment_config.snow_melt_speed
if is_accumulating:
speed = environment_config.snow_accumulation_speed
if speed <= 0.0:
return environment_config.snow_transaction_time
return 1.0 / speed
#endregion
#region Post-Process

28
core/daynight/weather_overlay.gdshader
View File

@@ -3,7 +3,7 @@ render_mode blend_mix, depth_draw_never;
//Snow globals
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.1;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
@@ -72,18 +72,15 @@ float fbm(vec2 p) {
}
float get_snow_progress() {
bool has_snow_timeline = global_snow_start_time >= 0.0 || global_snow_melt_time >= 0.0;
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (has_snow_timeline) {
snow_progress = 0.0;
if (global_snow_start_time >= 0.0) {
snow_progress = 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_progress *= (1.0 - melt);
}
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
@@ -130,12 +127,13 @@ void fragment() {
float snow_edge = smoothstep(
global_snow_threshold - snow_edge_softness,
global_snow_threshold + snow_edge_softness,
facing_up + (noise_val - 0.5) * 0.4
facing_up
);
float flat_accumulation = smoothstep(0.0, 0.35, v_snow_cap_mask) * snow_accumulation;
float snow_coverage = smoothstep(0.0, 0.6, noise_val + snow_progress - 0.4 + flat_accumulation * 0.25);
float snow_factor = max(snow_edge * snow_coverage * snow_progress, flat_accumulation);
float snow_opacity = smoothstep(0.04, 0.28, snow_factor);
float snow_variation = mix(0.75, 1.15, noise_val);
float snow_coverage = clamp(snow_progress * snow_variation + flat_accumulation * 0.25, 0.0, 1.0);
float snow_factor = max(snow_edge * snow_coverage, flat_accumulation);
float snow_opacity = clamp(snow_factor, 0.0, 1.0);
snow_opacity = max(snow_opacity, flat_accumulation * 0.9);
float shade = mix(-snow_color_variation, snow_color_variation, noise_val);

38
core/daynight/weather_plain_shader.gdshader
View File

@@ -2,10 +2,11 @@ shader_type spatial;
render_mode blend_mix, depth_draw_never, cull_disabled;
// Snow globals
global uniform float global_snow_start_time;
global uniform float global_snow_accumulation_speed;
global uniform float global_snow_melt_time;
global uniform float global_snow_melt_speed;
global uniform float global_snow_start_time = -1.0;
global uniform float global_snow_accumulation_speed = 0.005;
global uniform float global_snow_melt_time = -1.0;
global uniform float global_snow_melt_speed = 0.1;
global uniform float global_snow_amount = 0.0;
global uniform vec4 global_snow_color;
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;
@@ -34,6 +35,21 @@ float ripple_ring(vec2 uv, float time_offset) {
return ring * fade;
}
float get_snow_progress() {
float snow_progress = clamp(global_snow_amount, 0.0, 1.0);
if (global_snow_start_time >= 0.0) {
float timed_progress = clamp((TIME - global_snow_start_time) * global_snow_accumulation_speed, 0.0, 1.0);
snow_progress = max(snow_progress, timed_progress);
}
if (global_snow_melt_time >= 0.0) {
float melt = clamp((TIME - global_snow_melt_time) * global_snow_melt_speed, 0.0, 1.0);
snow_progress = min(snow_progress, 1.0 - melt);
}
return snow_progress;
}
void fragment() {
vec3 world_pos = (INV_VIEW_MATRIX * vec4(VERTEX, 1.0)).xyz;
@@ -41,18 +57,10 @@ void fragment() {
float facing_up = 1.0;
// Snow accumulation
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 = get_snow_progress();
// UV-based snow mask: accumulates from the top of the quad
float top_mask = 1.0 - UV.y;
float snow_mask = smoothstep(1.0 - snow_amount, 1.0 - snow_amount + snow_edge_softness, top_mask);
// Plain surfaces fade in uniformly to avoid patchy strip-like accumulation.
float snow_mask = smoothstep(0.0, 1.0, snow_amount);
snow_mask *= step(0.01, snow_amount);
// Snow color with slight variation

6
core/environment_config.gd
View File

@@ -98,6 +98,7 @@ extends Resource
@export var material_fog: ShaderMaterial #Fog overlay shader material
@export var material_drops: StandardMaterial3D #Rain drops material (albedo tinted by sky)
@export var material_clouds: ShaderMaterial #Cloud layer shader material
@export var base_cloud_density: float = 0.4 #default cloud density
#Rain weather settings
@export_group("Rain")
@@ -106,6 +107,7 @@ extends Resource
@export var rain_audio_volume_db: float = -10.0 #Target rain loop volume in decibels
@export var puddle_form_time: float = 15.0 #Seconds for puddles to fully form
@export var puddle_dry_time: float = 20.0 #Seconds for puddles to fully dry after rain stops
@export var rain_cloud_density: float = 1.0 #the cloud density when is rainy
#Storm settings (applied on top of rain when storm is active)
@export_group("Storm")
@@ -136,7 +138,7 @@ extends Resource
#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 var train_start_from_random_position: bool = true #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
@@ -145,7 +147,7 @@ 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 = 0.014 #Accumulation speed: 0.1 -> 10s, 0.05 -> 20s, 0.02 -> 50s, 0.012 -> ~83s
@export var snow_accumulation_speed: float = 0.005 #Accumulation speed: 0.005 -> ~200s, 0.01 -> 100s, 0.02 -> 50s
@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