show actual names of stars when targeting them

doc/scripts/generate_starchart.py

@@ -1,10 +1,13 @@
 #!/usr/bin/env python
-# This script requires the following file in the assets/tmp/ directory:
+# This script requires the following file in the extra/ directory:
 # https://github.com/astronexus/HYG-Database/blob/cbd21013d2bb89732b893be357a6f41836dbe614/hyg/CURRENT/hygdata_v41.csv
 
 import csv
 import sys
 import math
+import re
+
+PATH = "extra/hygdata_v41.csv"
 
 #def entry(ra_hour, ra_min, ra_sec, dec_deg, dec_min, dec_sec, mag, name, color_index):
 #    return [
@@ -28,19 +31,20 @@ import math
 # Meissa (orion's head, 8th brightest star in orion) = 3.33
 MAX_APPARENT_MAGNITUDE = 7.0
 
-print("// The \"STARS\" constant was autogenerated by \"genrate_starchart.py\" using data")
-print("// from the HYG database: https://github.com/astronexus/HYG-Database/tree/main/hyg")
+print("// This file was autogenerated by \"genrate_starchart.py\" using data from the")
+print("// HYG database: https://github.com/astronexus/HYG-Database/tree/main/hyg")
 print("// License: CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/")
 print("")
-print("// Each star's values: [x, y, z, magnitude, color index]")
-print("pub const STARS: &[[f32; 5]] = &[")
+print("// Each star's values: [x, y, z, magnitude, color index, distance, name]")
+print("pub const STARS: &[(f32; f32, f32, f32, f32, f32, str)] = &[")
 
 
-def render(ra, dec, mag, ci, proper):
+def render(ra, dec, mag, ci, dist, name):
     # Takes ra/deg in degrees
     ra = float(ra)
     dec = float(dec)
     mag = float(mag)
+    name = re.sub(r'\s+', ' ', name)
 
     distance = 1.0
     ra_radians = math.radians(ra * 15)  # ra is in [0, 24], multiplying by 15 gives degrees in [0, 360]
@@ -53,18 +57,20 @@ def render(ra, dec, mag, ci, proper):
     # Correct for differences in coordinate system axes
     x, y, z = x, z, y
 
-    comment = f" // {proper}" if proper else ""
+    #brightness = 2.512 ** (0 - mag)
 
-    brightness = 2.512 ** (0 - mag)
+    print(f'    ({x:.04}, {y:.04}, {z:.04}, {mag:.04}, {ci}, {dist}, "{name}"),')
 
-    print(f"    [{x:.04}, {y:.04}, {z:.04}, {mag:.04}, {ci}],{comment}")
+
+def clean_name(string):
+    return "".join([c for c in string if c.isalnum() or c in ' -_'])
 
 
 total = 0
 count = 0
 count_extra = 0
 entries = []
-with open("assets/tmp/hygdata_v41.csv", "r", encoding="utf-8") as f:
+with open(PATH, "r", encoding="utf-8") as f:
     for entry in csv.DictReader(f):
         entries.append(entry)
 
@@ -76,13 +82,18 @@ for entry in entries:
     dec = entry['dec']
     mag = entry['mag']
     ci = entry['ci']
-    proper = entry['proper']
-    proper = "".join([c for c in proper if c.isalnum() or c in ' -_'])
+    dist = entry['dist']
+    name = clean_name(entry['proper'])
+    if not name:
+        name = clean_name(entry['bf'])
+    if not name:
+        name = clean_name(entry['gl'])
+
     if not all([ra, dec, mag, ci]):
         continue
     if float(mag) > MAX_APPARENT_MAGNITUDE:
         continue
-    render(ra, dec, mag, ci, proper)
+    render(ra, dec, mag, ci, dist, name)
     count += 1
 #for entry in CUSTOM_ENTRIES:
 #    render(entry[0], entry[1], entry[2], entry[3], entry[4])

src/main.rs

@@ -6,6 +6,7 @@ mod commands;
 mod effects;
 mod hud;
 mod settings;
+mod stars;
 mod world;
 
 #[allow(dead_code)]

src/world.rs

@@ -1,4 +1,4 @@
-use crate::{actor, hud, nature, settings};
+use crate::{actor, hud, nature, settings, stars};
 use bevy::prelude::*;
 use bevy::render::render_resource::{AsBindGroup, ShaderRef};
 use bevy::math::{DVec3, I64Vec3};
@@ -123,8 +123,8 @@ pub fn setup(
     // Generate starmap
     let sphere_handle = meshes.add(Sphere::new(1.0));
     let mut starcount = 0;
-    for star in nature::STARS {
-        let mag = star[3];
+    for star in stars::STARS {
+        let mag = star.3;
         if mag > STARS_MAX_MAGNITUDE {
             continue;
         }
@@ -142,26 +142,31 @@ pub fn setup(
                 1000.0 * (0.230299 * mag * mag - 3.09013 * mag + 15.1782)
             } * 100.0
         };
-        let (r, g, b) = nature::star_color_index_to_rgb(star[4]);
+        let (r, g, b) = nature::star_color_index_to_rgb(star.4);
         let star_color_handle = materials.add(StandardMaterial {
             base_color: Color::rgb(scale_color(r), scale_color(g), scale_color(b)),
             unlit: true,
             ..default()
         });
         let dist = 1e9;
+        let name = if star.6.is_empty() {
+            "Uncharted Star".to_string()
+        } else {
+            star.6.to_string()
+        };
         commands.spawn((
             Star,
             hud::IsClickable {
-                name: Some("Star".to_string()),
-                distance: Some(10000000000.0),
+                name: Some(name),
+                distance: Some(nature::PARSEC2METER * star.5 as f64),
             },
             PbrBundle {
                 mesh: sphere_handle.clone(),
                 material: star_color_handle,
                 transform: Transform::from_xyz(
-                        dist * star[0],
-                        dist * star[1],
-                        dist * star[2],
+                        dist * star.0,
+                        dist * star.1,
+                        dist * star.2,
                     )
                     .with_scale(Vec3::splat(scale_size(mag))),
                 ..default()