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.Content/Defs.cs

@@ -142,6 +142,12 @@ public sealed class RoomDef : Def
 
     /// <summary>Game minutes spent occupying this room when walking through it.</summary>
     public float TravelMinutes { get; init; }
+
+    /// <summary>
+    /// Outdoor like the yard: porch, crossing between buildings. Indoor rooms stay warmer than
+    /// the street by the climate preset's wall offset.
+    /// </summary>
+    public bool Outdoor { get; init; }
 }
 
 public sealed class BuildingDef : Def;

src/HSchool.Content/PeopleDefValidator.cs

@@ -30,6 +30,11 @@ internal static class PeopleDefValidator
             ValidateCountry(country, catalog);
         }
 
+        foreach (var preset in catalog.ClimatePresets.Values)
+        {
+            ValidateClimatePreset(preset);
+        }
+
         foreach (var subject in catalog.Subjects.Values)
         {
             ValidateSubject(subject, catalog);
@@ -576,6 +581,40 @@ internal static class PeopleDefValidator
         ValidateNameSet(country.Names ?? new NameSetDef(), catalog, country.DefName);
     }
 
+    private static void ValidateClimatePreset(ClimatePresetDef preset)
+    {
+        if (preset.Abstract)
+        {
+            return;
+        }
+
+        if (preset.MonthlyNorms.Count != 12)
+        {
+            throw new ContentLoadException(
+                $"ClimatePresetDef '{preset.DefName}' monthlyNorms must list 12 months.");
+        }
+
+        if (preset.DaySpread < 0 || preset.HourSpread < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' spreads cannot be negative.");
+        }
+
+        if (preset.PrecipitationChance < 0 || preset.PrecipitationChance > 1)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' precipitationChance must be 0–1.");
+        }
+
+        if (preset.ComfortHalfWidthC < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' comfortHalfWidthC cannot be negative.");
+        }
+
+        if (preset.InsulationPerC < 0)
+        {
+            throw new ContentLoadException($"ClimatePresetDef '{preset.DefName}' insulationPerC cannot be negative.");
+        }
+    }
+
     private static void ValidateNameSet(NameSetDef names, DefCatalog catalog, string countryDefName)
     {
         if (!NameGrammar.IsKnownPatronymic(names.PatronymicRule))

src/HSchool.Content/PeopleDefs.cs

@@ -184,6 +184,12 @@ public sealed class TraitDef : Def
     /// Extra minutes of commute slack. Positive arrives earlier; negative cuts it closer.
     /// </summary>
     public int CommuteMinutes { get; init; }
+
+    /// <summary>
+    /// Shifts the warmth comfort band, in °C. Heat-loving is positive (suffers cold earlier);
+    /// cold-loving is negative.
+    /// </summary>
+    public float ComfortTemperatureOffset { get; init; }
 }
 
 public sealed class StaffingDef : Def
@@ -309,6 +315,12 @@ public sealed class NeedDef : Def
     /// restores overnight; hunger does not keep falling at home.
     /// </summary>
     public bool RestoredOffCampus { get; init; }
+
+    /// <summary>
+    /// When true, campus drain is not <see cref="DecayPerHour"/> per hour. Warmth uses it as the
+    /// drop per °C of mismatch against the place temperature.
+    /// </summary>
+    public bool Environmental { get; init; }
 }
 
 public sealed class CaseTable
@@ -407,7 +419,7 @@ public sealed class NameSetDef
 
 /// <summary>
 /// What the player picks at create: nested names plus climate-preset ids. Weather numbers live
-/// on <see cref="ClimatePresetDef"/> and stay unused until phase 32.
+/// on <see cref="ClimatePresetDef"/>.
 /// </summary>
 public sealed class CountryDef : Def
 {
@@ -417,7 +429,32 @@ public sealed class CountryDef : Def
 }
 
 /// <summary>
-/// Outdoor climate a country may roll. Monthly temperatures land in phase 32; the id is enough
-/// to persist which preset a school was born with.
+/// Outdoor climate a country may roll. Monthly norms, day/hour spread and precipitation chance
+/// are the numbers the school uses to sample the street; indoor offset is walls without a technician.
 /// </summary>
-public sealed class ClimatePresetDef : Def;
+public sealed class ClimatePresetDef : Def
+{
+    /// <summary>Mean outdoor °C for months 1–12. Concrete presets must list all twelve.</summary>
+    public IReadOnlyList<float> MonthlyNorms { get; init; } = [];
+
+    /// <summary>How far a day's mean may wander from the monthly norm, °C.</summary>
+    public float DaySpread { get; init; }
+
+    /// <summary>How far the hour wanders from that day's mean, °C. Coldest around 03:00, warmest 15:00.</summary>
+    public float HourSpread { get; init; }
+
+    /// <summary>Chance of precipitation this hour, 0–1. Below 0 °C the same roll is snow.</summary>
+    public float PrecipitationChance { get; init; }
+
+    /// <summary>Added to indoor temperature vs the street. Walls hold heat; this is not comfort.</summary>
+    public float IndoorOffset { get; init; } = 8f;
+
+    /// <summary>Centre of the clothing comfort band, °C, before trait offsets.</summary>
+    public float ComfortC { get; init; } = 21f;
+
+    /// <summary>Half-width of the comfort band, °C. Inside it warmth barely drops.</summary>
+    public float ComfortHalfWidthC { get; init; } = 3f;
+
+    /// <summary>How many °C of protection one insulation point is worth.</summary>
+    public float InsulationPerC { get; init; } = 1f;
+}