Added Sildurs Enhanced Default Shaderpack

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

@@ -0,0 +1,25 @@
+#version 120
+/* DRAWBUFFERS:02 */ //0=gcolor, 2=gnormal for normals
+/*
+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.
+*/
+
+varying vec3 texcoord;
+uniform sampler2D texture;
+uniform int blockEntityId;
+
+void main() {
+
+	vec4 color = texture2D(texture, texcoord.xy)*texcoord.z;
+	if(blockEntityId == 10089.0)color *= 0.0;			 	//remove beacon beam shadows, 10089 is actually the id of all emissive blocks but only the beam should be a block entity
+
+	gl_FragData[0] = color;
+	gl_FragData[1] = vec4(0.0); //improves performance	
+}