From 25255a8b9147d27aa40b28d6aadb62c0ab275d32 Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Wed, 22 Apr 2026 15:40:32 -0400
Subject: simplify rendering pipeline. add gridlines to tacmap

---
 src/tacmap.rs | 31 +++++++++++++++++++++++--------
 1 file changed, 23 insertions(+), 8 deletions(-)

(limited to 'src/tacmap.rs')

diff --git a/src/tacmap.rs b/src/tacmap.rs
index e4cb76a..abae50e 100644
--- a/src/tacmap.rs
+++ b/src/tacmap.rs
@@ -17,6 +17,8 @@ use crate::canvas::Canvas;
 use crate::solar_system::SolarSystem;
 use crate::solar_system::SystemId;
 use crate::ui;
+use crate::wgpuctx::RenderPassBuilder;
+use crate::wgpuctx::SceneCtx;
 use crate::wgpuctx::WgpuCtx;
 use render::*;
 use camera::*;
@@ -28,7 +30,8 @@ pub struct TacticalMap
     pmatrix: Projection,
  
     camera_controller: CameraController,
-    renderstate: Option<(SystemId, BodyRenderer)>
+    body_renderer: Option<(SystemId, BodyRenderer)>,
+    grid_renderer: GridRenderer
 }
 
 impl TacticalMap
@@ -66,7 +69,8 @@ impl TacticalMap
             camera: camera,
             pmatrix: projection,
             camera_controller: CameraController::new(),
-            renderstate: None,
+            body_renderer: None,
+            grid_renderer: GridRenderer::new(wgpuctx)
         }
     }
 
@@ -121,7 +125,7 @@ impl TacticalMap
 
         self.camera.update_buffer(wgpuctx, &self.pmatrix);
 
-        let tacrender = match &mut self.renderstate {
+        let body_renderer = match &mut self.body_renderer {
             Some((id, render)) => {
                 if *id != current_system_id {
                     *id = current_system_id;
@@ -131,14 +135,14 @@ impl TacticalMap
             },
             None => {
                 let tmp = render::BodyRenderer::new(wgpuctx);
-                self.renderstate = Some((current_system_id, tmp));
-                &mut self.renderstate.as_mut().unwrap().1
+                self.body_renderer = Some((current_system_id, tmp));
+                &mut self.body_renderer.as_mut().unwrap().1
             }
         };
 
         //Update buffers for the current system and time.
-        tacrender.rebuild(wgpuctx, current_system);
-        match tacrender.update(
+        body_renderer.rebuild(wgpuctx, current_system);
+        match body_renderer.update(
             wgpuctx, current_system, &self.camera,
             game_state.timeman().seconds())
         {
@@ -146,8 +150,19 @@ impl TacticalMap
             Err(e) => println!("Tactical map render update error: {}", e)
         }
 
-        tacrender.render(wgpuctx, &self.canvas, &self.camera);
+        let mut scene = SceneCtx::from_view_default(wgpuctx, self.canvas.view(), Some("Tactical map scene"));
+        let pass_builder = RenderPassBuilder::new(Some("Tactical map render pass"), scene.view())
+            .clear_color(wgpu::Color { r: 0.0, g: 0.0, b: 0.1, a: 1.0 });
 
+        self.camera.stage_changes(scene.encoder_mut());
+        {
+            let mut pass = pass_builder.build_from_scene(&mut scene);
+
+            self.grid_renderer.render(wgpuctx, &mut pass, &self.camera);
+            body_renderer.render(wgpuctx, &mut pass, &self.camera);
+        }
+
+        scene.submit(wgpuctx);
         Ok(())
     }
 
-- 
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