51 lines
1.6 KiB
Plaintext
51 lines
1.6 KiB
Plaintext
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#line 2
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/*
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* Copyright (c) 2023 LAX1DUDE. All Rights Reserved.
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*
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* WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
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* NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
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* TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
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* SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
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*
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* NOT FOR COMMERCIAL OR MALICIOUS USE
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*
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* (please read the 'LICENSE' file this repo's root directory for more info)
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*
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*/
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precision lowp int;
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precision highp float;
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precision highp sampler2D;
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in vec2 v_position2f;
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in vec3 v_position3f;
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layout(location = 0) out vec4 output4f;
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uniform vec3 u_moonColor3f;
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uniform vec3 u_lightDir3f;
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uniform sampler2D u_moonTextures;
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uniform sampler2D u_cloudsTexture;
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void main() {
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gl_FragDepth = 0.0;
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vec4 color4f = texture(u_moonTextures, v_position2f);
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if(color4f.a < 0.99) {
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discard;
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}
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vec3 moonNormal3f;
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moonNormal3f.xy = color4f.rg * 2.0 - 1.0;
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moonNormal3f.z = sqrt(1.0 - dot(moonNormal3f.xy, moonNormal3f.xy));
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float NdotV = dot(moonNormal3f, u_lightDir3f);
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output4f = vec4(u_moonColor3f * (color4f.b * color4f.b * mix(max(NdotV, 0.0), max(NdotV + 0.45, 0.0) * 0.5f, max(u_lightDir3f.z * u_lightDir3f.z * -u_lightDir3f.z, 0.0))), 0.0);
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vec3 viewDir = normalize(v_position3f);
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if(viewDir.y < 0.01) {
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return;
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}
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vec2 cloudSampleCoord2f = (viewDir.xz / (viewDir.y + 1.0)) * 0.975 * 0.5 + 0.5;
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vec4 cloudSample = textureLod(u_cloudsTexture, cloudSampleCoord2f, 0.0);
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output4f.rgb = mix(output4f.rgb, output4f.rgb * max(cloudSample.a * 1.25 - 0.25, 0.0), smoothstep(0.0, 1.0, min(viewDir.y * 8.0, 1.0)));
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}
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