111 lines
3.8 KiB
Plaintext
111 lines
3.8 KiB
Plaintext
// NOTE: Shader automatically converted from Godot Engine 4.5.stable.mono's StandardMaterial3D.
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shader_type spatial;
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render_mode blend_mix, depth_draw_opaque, cull_back, diffuse_burley, specular_schlick_ggx;
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#include "res://addons/rokojori_action_library/Runtime/Shading/Library/Transform.gdshaderinc"
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#include "res://addons/rokojori_action_library/Runtime/Shading/Library/Math.gdshaderinc"
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#include "res://addons/rokojori_action_library/Runtime/Shading/Library/Normals.gdshaderinc"
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uniform vec4 albedo : source_color;
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uniform sampler2D texture_albedo : source_color, filter_linear_mipmap, repeat_enable;
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uniform ivec2 albedo_texture_size;
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uniform float roughness : hint_range(0.0, 1.0);
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uniform float roughnessSnow : hint_range(0.0, 1.0);
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uniform sampler2D texture_metallic : hint_default_white, filter_linear_mipmap, repeat_enable;
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uniform vec4 metallic_texture_channel;
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uniform sampler2D texture_roughness : hint_roughness_r, filter_linear_mipmap, repeat_enable;
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uniform float specular : hint_range(0.0, 1.0, 0.01);
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uniform float metallic : hint_range(0.0, 1.0, 0.01);
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uniform sampler2D texture_normal : hint_roughness_normal, filter_linear_mipmap, repeat_enable;
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uniform float normal_scale : hint_range(-16.0, 16.0);
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uniform sampler2D texture_ambient_occlusion : hint_default_white, filter_linear_mipmap, repeat_enable;
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uniform vec4 ao_texture_channel;
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uniform float ao_light_affect : hint_range(0.0, 1.0, 0.01);
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uniform vec3 uv1_scale;
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uniform vec3 uv1_offset;
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global uniform float globalSnowAmount;
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uniform float snowFadeIn = 0;
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uniform float snowMax = 0.5;
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uniform float snowTestOffset = 0;
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uniform float snowLayerMax = 0.2;
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uniform float snowLayerMin = -0.1;
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uniform float snowLayerUVScale = 1.0;
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uniform float snowOcclusionAmount = 1.0;
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uniform float snowNormalSize = 1.0;
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uniform float snowNormalStrength = 1.0;
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uniform float snowNormalAmount:hint_range( 0.0, 1.0 ) = 1.0;
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varying vec3 snowNormal;
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varying float snowOcclusion;
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uniform sampler2D noiseTexture;
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uniform float noiseScale;
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uniform vec2 noiseOffset;
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uniform float noiseAmount;
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varying vec2 noiseUV;
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void vertex()
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{
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UV = UV * uv1_scale.xy + uv1_offset.xy;
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vec3 worldVertex = localToWorld( VERTEX, MODEL_MATRIX );
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noiseUV = worldVertex.xz / noiseScale + noiseOffset;
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vec2 snowLayerUV = worldVertex.xz / snowLayerUVScale;
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float snowLayerNoise = textureLod( noiseTexture, snowLayerUV, 0 ).r;
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VERTEX.y += mix( snowLayerMin, snowLayerMax, snowLayerNoise ) * globalSnowAmount;
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snowNormal = computeNormalFromHeightMap( noiseTexture, snowLayerUV, snowNormalSize, snowNormalStrength );
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snowOcclusion = clamp01( mix( 1.0, snowLayerNoise, snowOcclusionAmount * globalSnowAmount ) );
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}
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void fragment()
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{
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vec2 base_uv = UV;
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float snowCoverage = mapClamped( globalSnowAmount + snowTestOffset, snowFadeIn, snowMax, 0.0, 1.0 );
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vec4 noise = texture( noiseTexture, noiseUV );
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vec4 albedo_tex = texture(texture_albedo, base_uv);
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ALBEDO = albedo.rgb * albedo_tex.rgb;
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float nAmount = noiseAmount * mapClamped( globalSnowAmount, 0.0, 0.2, 0.0, 1.0 ) ;
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ALBEDO = mix( ALBEDO, vec3( 1.0 ), clamp01( snowCoverage + noise.r * nAmount ) );
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float metallic_tex = dot(texture(texture_metallic, base_uv), metallic_texture_channel);
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METALLIC = metallic_tex * metallic;
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SPECULAR = specular;
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vec4 roughness_texture_channel = vec4(1.0, 0.0, 0.0, 0.0);
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float roughness_tex = dot(texture(texture_roughness, base_uv), roughness_texture_channel);
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float ro = mix( roughness, roughnessSnow, clamp01( globalSnowAmount ) );
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ROUGHNESS = roughness_tex * ro;
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// Normal Map: Enabled
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NORMAL_MAP = mix( texture(texture_normal, base_uv).rgb, snowNormal, snowNormalAmount );
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NORMAL_MAP_DEPTH = normal_scale;
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// Ambient Occlusion: Enabled
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AO = dot(texture(texture_ambient_occlusion, base_uv), ao_texture_channel);
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AO *= snowOcclusion;
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AO_LIGHT_AFFECT = ao_light_affect;
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}
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