From 2640f91e36558650bb988dcc82b5148ee71f3eb0 Mon Sep 17 00:00:00 2001
From: Kai Stevenson <kai@kaistevenson.com>
Date: Tue, 18 Aug 2026 22:22:27 -0700
Subject: optimize with settlement counter

---
 src/renderer/mod.rs | 11 ++++++++++-
 src/renderer/ui.rs  |  3 +++
 2 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'src/renderer')

diff --git a/src/renderer/mod.rs b/src/renderer/mod.rs
index 2676a9c..ff503c8 100644
--- a/src/renderer/mod.rs
+++ b/src/renderer/mod.rs
@@ -671,9 +671,18 @@ impl RendererState {
                     multiview_mask: None,
                 });
 
+            let instances_start = u32::min(
+                if config.cells_render {
+                    0
+                } else {
+                    CHUNK_SLOTS as u32
+                },
+                instances.len() as u32 - 1,
+            );
+
             render_pass.set_pipeline(&self.pixels_pipeline);
             render_pass.set_bind_group(0, &self.pixels_bind_group, &[]);
-            render_pass.draw(0..4, 0..instances.len() as u32);
+            render_pass.draw(0..4, instances_start..instances.len() as u32);
 
             if debug_vertex_count > 0 {
                 render_pass.set_pipeline(&self.debug_pipeline);
diff --git a/src/renderer/ui.rs b/src/renderer/ui.rs
index 56bf278..27b3be4 100644
--- a/src/renderer/ui.rs
+++ b/src/renderer/ui.rs
@@ -82,6 +82,9 @@ pub fn draw_egui<'a>(
         });
 
     ui.checkbox(&mut config.use_threading, "Use multithreading");
+
+    ui.checkbox(&mut config.cells_render, "Draw cells");
+
     ui.checkbox(&mut config.debug_render, "Draw physics debug lines");
 
     if config.debug_render {
-- 
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