simplify graph visitation by removing is visible flag that's no longer needed

Author: douira

common/src/main/java/net/caffeinemc/mods/sodium/client/render/chunk/lists/VisibleChunkCollector.java

@@ -32,22 +32,22 @@ public VisibleChunkCollector(int frame) {
     }
 
     @Override
-    public void visit(RenderSection section, boolean visible) {
-        RenderRegion region = section.getRegion();
-        ChunkRenderList renderList = region.getRenderList();
+    public void visit(RenderSection section) {
+        // only process section (and associated render list) if it has content that needs rendering
+        if (section.getFlags() != 0) {
+            RenderRegion region = section.getRegion();
+            ChunkRenderList renderList = region.getRenderList();
 
-        // Even if a section does not have render objects, we must ensure the render list is initialized and put
-        // into the sorted queue of lists, so that we maintain the correct order of draw calls.
-        if (renderList.getLastVisibleFrame() != this.frame) {
-            renderList.reset(this.frame);
+            if (renderList.getLastVisibleFrame() != this.frame) {
+                renderList.reset(this.frame);
 
-            this.sortedRenderLists.add(renderList);
-        }
+                this.sortedRenderLists.add(renderList);
+            }
 
-        if (visible && section.getFlags() != 0) {
             renderList.add(section);
         }
 
+        // always add to rebuild lists though, because it might just not be built yet
         this.addToRebuildLists(section);
     }
 

common/src/main/java/net/caffeinemc/mods/sodium/client/render/chunk/occlusion/OcclusionCuller.java

@@ -50,13 +50,12 @@ private static void processQueue(Visitor visitor,
         RenderSection section;
 
         while ((section = readQueue.dequeue()) != null) {
-            boolean visible = isSectionVisible(section, viewport, searchDistance);
-            visitor.visit(section, visible);
-
-            if (!visible) {
+            if (!isSectionVisible(section, viewport, searchDistance)) {
                 continue;
             }
 
+            visitor.visit(section);
+
             int connections;
 
             {
@@ -249,7 +248,7 @@ private void initWithinWorld(Visitor visitor, WriteQueue<RenderSection> queue, V
         section.setLastVisibleFrame(frame);
         section.setIncomingDirections(GraphDirectionSet.NONE);
 
-        visitor.visit(section, true);
+        visitor.visit(section);
 
         int outgoing;
 
@@ -335,6 +334,6 @@ private RenderSection getRenderSection(int x, int y, int z) {
     }
 
     public interface Visitor {
-        void visit(RenderSection section, boolean visible);
+        void visit(RenderSection section);
     }
 }