89 lines
3.5 KiB
Plaintext
89 lines
3.5 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/Math.gdshaderinc"
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#include "res://addons/rokojori_action_library/Runtime/Shading/Library/Transform.gdshaderinc"
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uniform vec4 albedo : source_color;
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uniform sampler2D texture_albedo : source_color, filter_nearest_mipmap_anisotropic, repeat_enable;
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uniform ivec2 albedo_texture_size;
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uniform float point_size : hint_range(0.1, 128.0, 0.1);
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uniform float roughness : hint_range(0.0, 1.0);
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uniform sampler2D texture_metallic : hint_default_white, filter_nearest_mipmap_anisotropic, repeat_enable;
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uniform vec4 metallic_texture_channel;
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uniform sampler2D texture_roughness : hint_roughness_r, filter_nearest_mipmap_anisotropic, 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_nearest_mipmap_anisotropic, repeat_enable;
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uniform float normal_scale : hint_range(-16.0, 16.0);
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uniform vec3 uv1_scale;
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uniform vec3 uv1_offset;
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// [ SNOW ]
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group_uniforms snow;
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uniform float maxSnowV = 0.8;
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uniform float topSnowOpacity = 1;
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uniform float bottomSnowOpacity = 0;
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uniform float snowWaveFrequency = 2;
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uniform float snowWaveFrequencySeedAmount = 1;
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uniform float snowWaveAmount = 0;
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uniform float snowWaveSeedStrength = 1;
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uniform float snowNormalOffset = -0.5;
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uniform float snowNormalScale = -0.5;
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uniform float snowRoughness = 0.3;
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uniform float snowNormalMixAmount = 0.5;
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uniform float snowAlbedo = 1.0;
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global uniform float globalSnowAmount;
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varying float worldSeedXZ;
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varying float worldNormalAmount;
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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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worldSeedXZ = fract( 123.94444 * fract( NODE_POSITION_WORLD.x * 42130.323 ) + 3.35 * fract( NODE_POSITION_WORLD.z * 13435.124 ) );
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vec3 worldNormal = localToWorldDirection( NORMAL, MODEL_MATRIX );
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worldNormalAmount = clamp01( snowNormalScale * ( dot( worldNormal, vec3( 0, 1, 0 ) ) + snowNormalOffset ) );
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}
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void fragment()
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{
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vec2 tSize = vec2( textureSize( texture_albedo, 0 ) );
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vec2 quantizedUV = round( UV * tSize ) / tSize;
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float snowV = mix( 0.0, maxSnowV, globalSnowAmount );
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float vOffset = sin( quantizedUV.x * ( snowWaveFrequency + ( worldSeedXZ * 2.0 - 1.0 ) * snowWaveFrequencySeedAmount ) + worldSeedXZ * snowWaveSeedStrength ) * snowWaveAmount;
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float inSnow = mapClamped( quantizedUV.y + vOffset, 0.0, snowV, 1.0, 0.0 );
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float snowCoverage = mix( bottomSnowOpacity, topSnowOpacity, inSnow );
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snowCoverage = max( snowCoverage, worldNormalAmount );
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snowCoverage *= mapClamped( globalSnowAmount, 0, 0.4, 0, 1.0 );
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vec2 base_uv = UV;
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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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ALBEDO = mix( ALBEDO, vec3( snowAlbedo ), snowCoverage );
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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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ROUGHNESS = roughness_tex * roughness;
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ROUGHNESS = mix( ROUGHNESS, snowRoughness, snowCoverage );
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// Normal Map: Enabled
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NORMAL_MAP = texture(texture_normal, base_uv).rgb;
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NORMAL_MAP = mix( NORMAL_MAP, vec3( 0.5 ), snowCoverage * snowNormalMixAmount );
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NORMAL_MAP_DEPTH = normal_scale;
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}
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