Add smelter

src/app.cr

@@ -88,10 +88,12 @@ class App
 
   def render_building_letter(building_type : Game::Building::Type)
     case building_type
-    when Game::Building::Type::StartPoint      then 'S'.colorize(:yellow)
+    when Game::Building::Type::StartPoint      then 'S'.colorize(:yellow).underline
     when Game::Building::Type::CrystalMiner    then 'M'.colorize(:yellow)
-    when Game::Building::Type::CrystalRestorer then 'R'.colorize(:yellow)
-    when Game::Building::Type::Terraformer     then 'T'.colorize(:yellow)
+    when Game::Building::Type::CrystalRestorer then 'R'.colorize(:green)
+    when Game::Building::Type::OxygenCollector then 'O'.colorize(:yellow)
+    when Game::Building::Type::Smelter         then 'E'.colorize(:magenta)
+    when Game::Building::Type::Terraformer     then 'T'.colorize(:cyan)
     else
       ' '
     end
@@ -131,10 +133,10 @@ class App
   end
 
   def render_resources(world)
-    printf "Resources:\n  Crystals:       %5d\n  Oxygen:         %5d\n  Terraformation: %5d\n",
-      world.resources[Game::Resource::Type::Crystals],
-      world.resources[Game::Resource::Type::Oxygen],
-      world.resources[Game::Resource::Type::Terraformation]
+    printf "Resources:\n"
+    Game::Resource::Type.each do |t|
+      printf "  %-15s %5d\n", t.to_s + ':', world.resources[t]
+    end
   end
 
   def render_world(world)

src/game/building.cr

@@ -49,6 +49,7 @@ module Game
       CrystalMiner
       CrystalRestorer
       OxygenCollector
+      Smelter
       Terraformer
     end
 

src/game/building_factory.cr

@@ -62,11 +62,32 @@ module Game
         }
       )
 
+      add(
+        Building.new Building::Type::Smelter, **{
+          shortcut:     "iron",
+          construction: Construction.new(
+            ts: 120,
+            cost: ResourceBag.new({Resource::Type::Crystals => 300}),
+            requirements: [] of Game::Building::Type
+          ),
+          production: Production.new(
+            ts: 60,
+            input: ResourceBag.new({
+              Resource::Type::Crystals => 20,
+              Resource::Type::Oxygen   => 10,
+            }),
+            output: ResourceBag.new({
+              Resource::Type::Iron => 10,
+            })
+          ),
+        }
+      )
+
       add(
         Building.new Building::Type::Terraformer, **{
           shortcut:     "terr",
           construction: Construction.new(
-            ts: 120,
+            ts: 180,
             cost: ResourceBag.new({
               Resource::Type::Crystals => 300,
             }),
@@ -77,6 +98,7 @@ module Game
             input: ResourceBag.new({
               Resource::Type::Crystals => 50,
               Resource::Type::Oxygen   => 20,
+              Resource::Type::Iron     => 5,
             }),
             output: ResourceBag.new({
               Resource::Type::Terraformation => 5,

src/game/resources.cr

@@ -4,6 +4,7 @@ struct Game::Resource
   enum Type
     Crystals
     Oxygen
+    Iron
     Terraformation
 
     def to_res(amount : Capacity)