Sample outdoor weather from the climate preset so people can freeze and the clock can show it.

Protocol v8 adds tenths of a °C and precipitation to the clock frame; warmth drains from insulation versus place temperature.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/HSchool.Simulation/RosterSpawner.cs

@@ -1,6 +1,7 @@
 using Arch.Core;
-using HSchool.People;
 using HSchool.Ai;
+using HSchool.Content;
+using HSchool.People;
 
 namespace HSchool.Simulation;
 
@@ -10,7 +11,7 @@ public static class RosterSpawner
     private static readonly QueryDescription People = new QueryDescription().WithAll<PersonIdentity>();
     private static readonly QueryDescription Classes = new QueryDescription().WithAll<ClassIdentity>();
 
-    public static void Spawn(World world, Roster roster)
+    public static void Spawn(World world, Roster roster, DefCatalog? catalog = null)
     {
         foreach (var schoolClass in roster.Classes)
         {
@@ -30,7 +31,8 @@ public static class RosterSpawner
                 new PersonBody(person.Numbers, person.Choices),
                 new PersonSkills(person.Skills.ToDictionary(pair => pair.Key, pair => (float)pair.Value, StringComparer.Ordinal)),
                 new PersonTraits(person.Traits),
-                new PersonNeeds(new Dictionary<string, float>(person.Needs, StringComparer.Ordinal)),
+                new PersonNeeds(NeedsOf(person, catalog)),
+                PersonInsulation.FromPerson(person, catalog),
                 new PersonRoles(
                     person.IsStudent,
                     person.IsStaff,
@@ -45,11 +47,30 @@ public static class RosterSpawner
     }
 
     /// <summary>Drops the previous composition and spawns <paramref name="roster"/>. Called on yearly intake.</summary>
-    public static void Replace(World world, Roster roster)
+    public static void Replace(World world, Roster roster, DefCatalog? catalog = null)
     {
         DestroyAll(world, People);
         DestroyAll(world, Classes);
-        Spawn(world, roster);
+        Spawn(world, roster, catalog);
+    }
+
+    private static Dictionary<string, float> NeedsOf(Person person, DefCatalog? catalog)
+    {
+        var values = new Dictionary<string, float>(person.Needs, StringComparer.Ordinal);
+        if (catalog is null)
+        {
+            return values;
+        }
+
+        foreach (var need in catalog.Needs.Values)
+        {
+            if (!need.Abstract && !values.ContainsKey(need.DefName))
+            {
+                values[need.DefName] = need.Initial;
+            }
+        }
+
+        return values;
     }
 
     private static void DestroyAll(World world, QueryDescription query)