commit 623da7ba4add56e6e285f034de99506e99e41c54
Author: rudzik8 <rudzik8@protonmail.com>
Date:   Mon Jun 6 12:01:40 2022 +0700

    Initial commit

diff --git a/README.md b/README.md
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+# Presence (tiny experimental shader project for MT) 5.5.1
+
+Yeah! Presence shader by random_geek, now done as diff patch! Apply to MINETESTFOLDER/client/shaders/nodes_shader/opengl_vertex.glsl (and backup that file before patching, of course).
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diff --git a/presence-5.5.1.txt b/presence-5.5.1.txt
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+> 
+> // random-geek's colour definitions, for use with colour tinting.
+> const vec3 sunEffect = vec3(1.0, 0.8, 0.4);
+> const vec3 orange = vec3(1.0, 0.89, 0.75);
+> const vec3 cyan = vec3(0.75, 0.89, 1.0);
+> 
+48a55,57
+> // random-geek's custom daylight. Colour temperature is based on amount of light, with intermediate values (dusk and dawn) being the most orange.
+> vec3 globalSun = dayLight.rgb * mix(vec3(1.0), sunEffect, -2.25 * abs(dayLight.r - 0.5) + 1);
+> 
+184a194,202
+> 
+> 	// random-geek's contrast; makes lights lighter and darks darker for better clarity.
+> 	float light = max(color.r, max(color.g, color.b));
+> 	float lightNew = 0.75*(light-0.5)/(abs(light-0.5) + 0.25) + 0.5;
+> 	color.rgb *= lightNew/light;
+> 
+> 	// random-geek's colour grading; adds blue to darker areas and orange to lighter areas.
+> 	color.rgb *= mix(cyan, orange, pow(lightNew, 2
+>