Add statue puzzle

src/engine/state.js

@@ -3,9 +3,10 @@ class State {
         this.states = new Map();
     }
 
-    get(key) {
+    get(key, defaultValue = null) {
         if (!this.states.has(key)) {
-            return null;
+            this.states.set(key, defaultValue);
+            return defaultValue;
         }
         return this.states.get(key);
     }

src/game/items/statue1.js

@@ -9,6 +9,17 @@ export default new ItemBuilder()
 .isTakeable(false)
 .isUsable(true)
 .withUseCallback(async function (context) {
-    context.print(`You press the button on the round device attached to the statue's arm.`)
+    context.print(`You press the button on the round device attached to the statue's arm.`);
+    let value = context.state.get("statue1.pressed", 0);
+    value++;
+    context.state.set("statue1.pressed", value);
+    if (value  == 3) {
+        context.print(`You hear a sattisfying click.`);
+        context.state.set("statues.unlocked", true);
+    }
+    if (context.state.get('statue1.pressed') > 2 && context.state.get('statue2.pressed') > 1) {
+        context.print(`You hear a low rumble somewhere deep within the bowels of the structure.`);
+        context.state.set("statues.unlocked", true);
+    }
 })
 .create();

src/game/items/statue2.js

@@ -9,6 +9,16 @@ export default new ItemBuilder()
 .isTakeable(false)
 .isUsable(true)
 .withUseCallback(async function (context) {
-    context.print(`You press the button on the rectangular device attached to the statue's arm.`)
+    context.print(`You press the button on the rectangular device attached to the statue's arm.`);
+    let value = context.state.get("statue2.pressed", 0);
+    value++;
+    context.state.set("statue2.pressed", value);
+    if (value == 2) {
+        context.print(`You hear a sattisfying click.`);
+    }
+    if (context.state.get('statue1.pressed') > 2 && context.state.get('statue2.pressed') > 1) {
+        context.print(`You hear a low rumble somewhere deep within the bowels of the structure.`);
+        context.state.set("statues.unlocked", true);
+    }
 })
 .create();