add dynamite as an achievement

source/skyland/achievement.cpp

@@ -72,6 +72,16 @@ static const AchievementInfo info[Achievement::count] = {
          set_enabled(metaclass_index(info[stronghold].reward_), awarded);
      }},
 
+    {"dynamite",
+     "Complete any challenge level!",
+     "dynamite",
+     [](Platform&, App& app) {
+         return app.gp_.challenge_flags_ not_eq 0;
+     },
+     [](Platform&, App&, bool awarded) {
+         set_enabled(metaclass_index(info[maestro_1].reward_), awarded);
+     }},
+
     {"Virtuoso (1)",
      "Complete three challenge levels!",
      "speaker",

source/skyland/achievement.hpp

@@ -32,6 +32,7 @@ enum Achievement : u8 {
     explorer,
     strategist,
     stronghold,
+    dynamite,
     maestro_1,
     maestro_2,
     triage,

source/skyland/rooms/switch.cpp

@@ -21,6 +21,10 @@ void Switch::display_on_hover(Platform::Screen& screen,
                               App& app,
                               const Vec2<u8>& cursor)
 {
+    if (not setup_) {
+        return;
+    }
+
     const auto origin = parent()->visual_origin();
 
     Sprite icon;
@@ -115,7 +119,21 @@ void Switch::deserialize(lisp::Value* list)
         __set_health(lisp::get_list(list, 5)->integer().value_);
     }
 
-    // TODO: read branch_1_ and branch_2_ from list!
+    if (lisp::length(list) >= 5) {
+        auto p1 = lisp::get_list(list, 3);
+        auto p2 = lisp::get_list(list, 4);
+
+        if (p1->type() == lisp::Value::Type::cons and
+            p2->type() == lisp::Value::Type::cons) {
+
+            setup_ = true;
+            branch_1_.x = p1->cons().car()->integer().value_;
+            branch_1_.y = p1->cons().cdr()->integer().value_;
+
+            branch_2_.x = p2->cons().car()->integer().value_;
+            branch_2_.y = p2->cons().cdr()->integer().value_;
+        }
+    }
 }
 
 

source/skyland/rooms/tnt.hpp

@@ -53,6 +53,7 @@ class Explosive : public Room {
     static u32 properties()
     {
         return RoomProperties::roof_hidden | RoomProperties::flag_mount |
+               RoomProperties::locked_by_default |
                RoomProperties::disabled_in_tutorials;
     }