Added Sildurs Enhanced Default Shaderpack

.minecraft/shaderpacks/Sildur's Enhanced Default v1.172 Fancy/shaders/shadow.vsh

@@ -0,0 +1,42 @@
+#version 120
+/*
+Sildur's Enhanced Default:
+https://www.patreon.com/Sildur
+https://sildurs-shaders.github.io/
+https://twitter.com/Sildurs_shaders
+https://www.curseforge.com/minecraft/customization/sildurs-enhanced-default
+
+Permissions:
+You are not allowed to edit, copy code or share my shaderpack under a different name or claim it as yours.
+*/
+
+#define shadowprogram
+#include "shaders.settings"
+
+varying vec3 texcoord;
+attribute vec4 mc_Entity;
+
+#ifdef Shadows
+vec2 calcShadowDistortion(in vec2 shadowpos) {
+	float distortion = ((1.0 - SHADOW_MAP_BIAS) + length(shadowpos.xy * 1.25) * SHADOW_MAP_BIAS) * 0.85;
+	return shadowpos.xy / distortion;
+}
+#endif
+
+void main() {
+
+vec4 position = gl_ModelViewProjectionMatrix * gl_Vertex;
+#ifdef Shadows
+	 position.xy = calcShadowDistortion(position.xy);
+#endif
+
+	gl_Position = position;
+
+	texcoord.xy = (gl_MultiTexCoord0).xy;
+	texcoord.z = 1.0;
+
+	if(mc_Entity.x == 10008.0) texcoord.z = 0.0;
+#ifndef grass_shadows
+	if(mc_Entity.x == 10031.0 || mc_Entity.x == 10175.0 || mc_Entity.x == 10176.0) texcoord.z = 0.0;	
+#endif
+}