Add the barracks and soldiers.

src/data/buildings.ts

@@ -194,5 +194,29 @@ export default [
                 recruitmentTime: (V: VillageState, self: BuildingType) => 2 - 0.06 * self.level,
             },
         },
-    }
+    },
+    {
+        type: 'barracks',
+        name: 'Barracks',
+        cost: (level: number) => {
+            return {
+                wood: level * 100,
+                stone: level * 100,
+                iron: level * 100,
+                food: 0,
+            };
+        },
+        behavior: {
+            production: (V: VillageState, self: BuildingType) => {
+                const prod = getEmptyResources();
+                const intakePerMinute = Math.ceil(self.level / 3) * 3;
+                prod.food = -intakePerMinute;
+                return prod;
+            },
+            units: {
+                type: 'soldier',
+                recruitmentTime: (V: VillageState, self: BuildingType) => 1 - 0.03 * self.level,
+            },
+        },
+    },
 ];

src/data/units.ts

@@ -13,4 +13,17 @@ export default [
             foodIntakePerMinute: 2,
         },
     },
+    {
+        type: 'soldier',
+        name: 'Soldier',
+        cost: {
+            wood: 15,
+            stone: 5,
+            iron: 40,
+            food: 0,
+        },
+        behavior: {
+            foodIntakePerMinute: 1,
+        },
+    },
 ];

src/hud/BuildingPanel.svelte

@@ -3,7 +3,7 @@
     import showBuildingPanel from "../stores/showBuildingPanel";
     import { getBuilding } from "../utils";
     import village from "../village";
-    import UniversityPanel from "./UniversityPanel.svelte";
+    import BuildingRecruitment from "./BuildingRecruitment.svelte";
 
     function close() {
         showBuildingPanel.set(null);
@@ -35,8 +35,8 @@
         <div class="content">
             { #if building.level === 0 }
             <p>Building in construction…</p>
-            { :else if building.type === 'university' }
-            <UniversityPanel { building } />
+            { :else if building.behavior.units }
+            <BuildingRecruitment { building } />
             { /if }
         </div>
         <div class="upgrade">

src/hud/BuildingRecruitment.svelte

@@ -49,8 +49,8 @@
     }
 </script>
 
-<div class="university">
-    <p>Create Philosophers</p>
+<div class="recruitment">
+    <p>Recruit { unit.name }s</p>
     <div class="cost">
         <Cost { cost } duration={ timeToRecruit } />
     </div>
@@ -77,7 +77,7 @@
 </div>
 
 <style>
-    .university .cost {
+    .recruitment .cost {
         margin: 1em;
     }
 </style>

src/hud/Units.svelte

@@ -4,6 +4,10 @@
 
     $: currentUnits = Object.entries($village.units).map(([type, count]) => {
         const unit = units.find(u => u.type === type);
+        if (!unit) {
+            throw new Error(`Unable to find unit: "${type}"`);
+
+        }
         return {
             ...unit,
             count,

src/utils.ts

@@ -39,7 +39,7 @@ export function getProduction(villageState: VillageState): ResourcesType {
         .reduce(_reduceResources, production);
 
     // Add units production and intake.
-    ['philosopher'].forEach(type => {
+    ['philosopher', 'soldier'].forEach(type => {
         const unit = getUnitSource(type);
         const unitCount = villageState.units[type] || 0;
 
@@ -49,7 +49,7 @@ export function getProduction(villageState: VillageState): ResourcesType {
 
         // Add culture production for Philosophers.
         if (type === 'philosopher') {
-            const outputPerMinute = unit.behavior.culturePerMinute;
+            const outputPerMinute = unit.behavior.culturePerMinute || 0;
             production.culture += outputPerMinute * unitCount;
         }
     });