fire, optimize viewport rendering

1 files changed, 9 insertions, 5 deletions

diff --git a/src/renderer/mod.rs b/src/renderer/mod.rs
index fcc5d36..4499688 100644
--- a/src/renderer/mod.rs
+++ b/src/renderer/mod.rs
@@ -212,8 +212,8 @@ impl RendererState {
         let mut renderer_chunks: Vec<RendererChunk> = Vec::new();
         // match number of world chunks
         // TODO refactor so that this implicit
-        for _ in -10..10 {
-            for _ in -10..10 {
+        for _ in -10..1 {
+            for _ in -100..100 {
                 let texture = device.create_texture(&wgpu::TextureDescriptor {
                     label: None,
                     mip_level_count: 1,
@@ -336,7 +336,7 @@ impl RendererState {
                 .resizable(false)
                 // TODO collapse button
                 .show_collapsible(ui, &mut true, |panel_ui| {
-                    draw_egui(panel_ui, config, camera, diagnostics, input)
+                    draw_egui(panel_ui, config, camera, diagnostics, input, world)
                 });
         });
 
@@ -449,9 +449,13 @@ impl RendererState {
 
             render_pass.set_bind_group(0, &self.camera_uniform_bind_group, &[]);
 
+            let (xl, xu, yl, yu) = camera.viewport_bounds_world();
+            let ((cxl, cyl), _) = World::split_game_position(xl.floor() as i32, yl.floor() as i32);
+            let ((cxu, cyu), _) = World::split_game_position(xu.floor() as i32, yu.floor() as i32);
+
             // TODO only visible chunks
-            for cx in -10..10 {
-                for cy in -10..10 {
+            for cx in cxl..=cxu {
+                for cy in cyl..=cyu {
                     if let Some(idx) = world.chunk_position_to_chunk_idx.get(&(cx, cy)) {
                         let render_chunk = &self.renderer_chunks[*idx];
                         render_pass.set_bind_group(1, &render_chunk.bind_group, &[]);