From b06faea26e204afcbade2caff7f4f9841ce503be Mon Sep 17 00:00:00 2001
From: HoosierTransfer <97118529+HoosierTransfer@users.noreply.github.com>
Date: Tue, 18 Jun 2024 19:51:47 -0400
Subject: [PATCH] huh

---
 .../client/renderer/RenderGlobal.java         | 15 +++----
 .../client/renderer/chunk/CompiledChunk.java  |  4 +-
 .../client/renderer/chunk/SetVisibility.java  | 39 ++++++++++++++++---
 3 files changed, 44 insertions(+), 14 deletions(-)

diff --git a/src/main/java/net/minecraft/client/renderer/RenderGlobal.java b/src/main/java/net/minecraft/client/renderer/RenderGlobal.java
index 49a39a4..7afc4e9 100644
--- a/src/main/java/net/minecraft/client/renderer/RenderGlobal.java
+++ b/src/main/java/net/minecraft/client/renderer/RenderGlobal.java
@@ -162,7 +162,7 @@ public class RenderGlobal implements IWorldAccess, IResourceManagerReloadListene
 	 * OpenGL sky list 2
 	 */
 	private int glSkyList2 = -1;
-	private int cloudTickCounter;
+	public int cloudTickCounter;
 	private final Map<Integer, DestroyBlockProgress> damagedBlocks = Maps.newHashMap();
 	private final Map<BlockPos, ISound> mapSoundPositions = Maps.newHashMap();
 	private final EaglerTextureAtlasSprite[] destroyBlockIcons = new EaglerTextureAtlasSprite[10];
@@ -926,12 +926,13 @@ public class RenderGlobal implements IWorldAccess, IResourceManagerReloadListene
 				RenderGlobal.ContainerLocalRenderInformation renderglobal$containerlocalrenderinformation3 = new RenderGlobal.ContainerLocalRenderInformation(
 						renderchunk, (EnumFacing) null, 0);
 				Set set1 = this.getVisibleFacings(blockpos1);
-				if (set1.size() == 1) {
-					Vector3f vector3f = this.getViewVector(viewEntity, partialTicks);
-					EnumFacing enumfacing = EnumFacing.getFacingFromVector(vector3f.x, vector3f.y, vector3f.z)
-							.getOpposite();
-					set1.remove(enumfacing);
-				}
+				// if (set1.size() == 1) {
+				// Vector3f vector3f = this.getViewVector(viewEntity, partialTicks);
+				// EnumFacing enumfacing = EnumFacing.getFacingFromVector(vector3f.x,
+				// vector3f.y, vector3f.z)
+				// .getOpposite();
+				// set1.remove(enumfacing);
+				// }
 
 				if (set1.isEmpty()) {
 					flag2 = true;
diff --git a/src/main/java/net/minecraft/client/renderer/chunk/CompiledChunk.java b/src/main/java/net/minecraft/client/renderer/chunk/CompiledChunk.java
index df0eec0..9723723 100644
--- a/src/main/java/net/minecraft/client/renderer/chunk/CompiledChunk.java
+++ b/src/main/java/net/minecraft/client/renderer/chunk/CompiledChunk.java
@@ -90,7 +90,9 @@ public class CompiledChunk {
 	}
 
 	public boolean isVisible(EnumFacing enumfacing, EnumFacing enumfacing1) {
-		return this.setVisibility.isVisible(enumfacing, enumfacing1);
+		// boolean visible = this.setVisibility.isVisible(enumfacing, enumfacing1);
+		return setVisibility.vfix$anyPathToFace(enumfacing1);
+		// return visible;
 	}
 
 	public void setVisibility(SetVisibility visibility) {
diff --git a/src/main/java/net/minecraft/client/renderer/chunk/SetVisibility.java b/src/main/java/net/minecraft/client/renderer/chunk/SetVisibility.java
index 6da30fe..c2f4aa0 100644
--- a/src/main/java/net/minecraft/client/renderer/chunk/SetVisibility.java
+++ b/src/main/java/net/minecraft/client/renderer/chunk/SetVisibility.java
@@ -38,6 +38,8 @@ public class SetVisibility {
 	private static final int COUNT_FACES = EnumFacing._VALUES.length;
 	private final BitSet bitSet;
 
+	private long bitField = 0;
+
 	public SetVisibility() {
 		this.bitSet = new BitSet(COUNT_FACES * COUNT_FACES);
 	}
@@ -52,19 +54,44 @@ public class SetVisibility {
 
 	}
 
-	public void setVisible(EnumFacing facing, EnumFacing facing2, boolean parFlag) {
-		this.bitSet.set(facing.ordinal() + facing2.ordinal() * COUNT_FACES, parFlag);
-		this.bitSet.set(facing2.ordinal() + facing.ordinal() * COUNT_FACES, parFlag);
+	public void setVisible(EnumFacing fromFace, EnumFacing toFace, boolean isVisible) {
+		long shiftBy;
+
+		shiftBy = fromFace.ordinal() + toFace.ordinal() * COUNT_FACES;
+		this.bitField = (this.bitField & ~(1L << shiftBy)) | ((isVisible ? 1L : 0L) << shiftBy);
+
+		shiftBy = toFace.ordinal() + fromFace.ordinal() * COUNT_FACES;
+		this.bitField = (this.bitField & ~(1L << shiftBy)) | ((isVisible ? 1L : 0L) << shiftBy);
 	}
 
+	// public void setVisible(EnumFacing facing, EnumFacing facing2, boolean
+	// parFlag) {
+	// this.bitSet.set(facing.ordinal() + facing2.ordinal() * COUNT_FACES, parFlag);
+	// this.bitSet.set(facing2.ordinal() + facing.ordinal() * COUNT_FACES, parFlag);
+	// }
+
 	public void setAllVisible(boolean visible) {
-		this.bitSet.set(0, this.bitSet.size(), visible);
+		this.bitField = visible ? 0xFFFFFFFFFL : 0L;
 	}
 
-	public boolean isVisible(EnumFacing facing, EnumFacing facing2) {
-		return this.bitSet.get(facing.ordinal() + facing2.ordinal() * COUNT_FACES);
+	// public void setAllVisible(boolean visible) {
+	// this.bitSet.set(0, this.bitSet.size(), visible);
+	// }
+
+	public boolean isVisible(EnumFacing fromFace, EnumFacing toFace) {
+		boolean ret = ((1L << (fromFace.ordinal() + toFace.ordinal() * COUNT_FACES)) & this.bitField) != 0;
+		return ret;
 	}
 
+	public boolean vfix$anyPathToFace(EnumFacing targetFace) {
+		long mask = 0b111111 << (targetFace.ordinal() * COUNT_FACES);
+		return (mask & this.bitField) > 0;
+	}
+
+	// public boolean isVisible(EnumFacing facing, EnumFacing facing2) {
+	// return this.bitSet.get(facing.ordinal() + facing2.ordinal() * COUNT_FACES);
+	// }
+
 	public String toString() {
 		StringBuilder stringbuilder = new StringBuilder();
 		stringbuilder.append(' ');