From 2cff88598d1d99e61a3a78b57eff13e02f66966f Mon Sep 17 00:00:00 2001
From: embeddedt <42941056+embeddedt@users.noreply.github.com>
Date: Sat, 21 Oct 2023 12:59:15 -0400
Subject: [PATCH] Sort by distance from region center instead of origin

---
 .../client/render/chunk/lists/SortedRenderLists.java |  6 +++---
 .../client/render/chunk/region/RenderRegion.java     | 12 ++++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/lists/SortedRenderLists.java b/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/lists/SortedRenderLists.java
index fabfbb2575..25365a3b15 100644
--- a/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/lists/SortedRenderLists.java
+++ b/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/lists/SortedRenderLists.java
@@ -53,9 +53,9 @@ public SortedRenderLists build(Vec3d cameraPos) {
             for (int i = 0; i < this.lists.size(); i++) {
                 ChunkRenderList renderList = this.lists.get(i);
                 RenderRegion region = renderList.getRegion();
-                double dx = cameraPos.x - region.getOriginX();
-                double dy = cameraPos.y - region.getOriginY();
-                double dz = cameraPos.z - region.getOriginZ();
+                double dx = cameraPos.x - region.getCenterX();
+                double dy = cameraPos.y - region.getCenterY();
+                double dz = cameraPos.z - region.getCenterZ();
                 renderList.setDistanceFromCamera((dx * dx) + (dy * dy) + (dz * dz));
             }
             this.lists.sort(LIST_DISTANCE_COMPARATOR);
diff --git a/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/region/RenderRegion.java b/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/region/RenderRegion.java
index e41da2387e..154aebf496 100644
--- a/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/region/RenderRegion.java
+++ b/src/main/java/me/jellysquid/mods/sodium/client/render/chunk/region/RenderRegion.java
@@ -87,6 +87,18 @@ public int getOriginZ() {
         return this.getChunkZ() << 4;
     }
 
+    public int getCenterX() {
+        return (this.getChunkX() + REGION_WIDTH / 2) << 4;
+    }
+
+    public int getCenterY() {
+        return (this.getChunkY() + REGION_HEIGHT / 2) << 4;
+    }
+
+    public int getCenterZ() {
+        return (this.getChunkZ() + REGION_LENGTH / 2) << 4;
+    }
+
     public void delete(CommandList commandList) {
         for (var storage : this.sectionRenderData.values()) {
             storage.delete();