Added last 2 units, added sidebar actions and build queue components, entities can now have their build actions put on the sidebar

lib/component.rb

@@ -7,7 +7,7 @@ class IMICRTS
     end
 
     def self.inherited(klass)
-      name = klass.to_s.split("::").last.downcase.to_sym
+      name = klass.to_s.split("::").last.gsub(/([^A-Z])([A-Z]+)/,'\1_\2').downcase.to_sym
 
       if get(name)
         raise "#{klass.inspect} is already defined!"

lib/components/build_queue.rb

@@ -0,0 +1,14 @@
+class IMICRTS
+  class BuildQueue < Component
+    Item = Struct.new(:entity, :progress)
+    def initialize(parent:)
+      @parent = parent
+
+      @queue = []
+    end
+
+    def add(type)
+      @queue << Item.new(Entity.get(type), 0.0)
+    end
+  end
+end

lib/components/sidebar_actions.rb

@@ -0,0 +1,27 @@
+class IMICRTS
+  class SidebarActions < Component
+    Action = Struct.new(:label, :image, :description, :block)
+
+    attr_reader :actions
+    def initialize(parent:)
+      @parent = parent
+
+      @actions = []
+    end
+
+    def add(action, *args)
+      case action
+      when :add_to_build_queue
+        action = Action.new
+        ent = IMICRTS::Entity.get(args.first)
+        action.label = ent.name.to_s
+        action.description = "Cost: #{ent.cost}\n#{ent.description}"
+        action.block = proc { @parent.component(:build_queue).add(args.first) }
+
+        @actions << action
+      else
+        raise "Unhandled sidebar action: #{action.inspect}"
+      end
+    end
+  end
+end

lib/entities/buildings/barracks.rb

@@ -1,4 +1,6 @@
 IMICRTS::Entity.define_entity(:barracks, :building, 400, "Builds and soldiers") do |entity|
+  entity.has(:build_queue)
+
   entity.radius = 44
   entity.max_health = 100.0
 

lib/entities/buildings/construction_yard.rb

@@ -1,4 +1,8 @@
 IMICRTS::Entity.define_entity(:construction_yard, :building, 2_000, "Provides radar and builds construction workers") do |entity|
+  entity.has(:build_queue)
+  entity.has(:sidebar_actions)
+  entity.component(:sidebar_actions).add(:add_to_build_queue, :construction_worker)
+
   entity.radius = 40
   entity.max_health = 100.0
 

lib/entities/buildings/helipad.rb

@@ -1,4 +1,8 @@
 IMICRTS::Entity.define_entity(:helipad, :building, 1_000, "Builds and rearms helicopters") do |entity|
+  entity.has(:build_queue)
+  entity.has(:sidebar_actions)
+  entity.component(:sidebar_actions).add(:add_to_build_queue, :helicopter)
+
   entity.radius = 26
   entity.max_health = 100.0
 

lib/entities/buildings/war_factory.rb

@@ -1,4 +1,10 @@
-IMICRTS::Entity.define_entity(:war_factory, :building, 2_000, "Generates credits") do |entity|
+IMICRTS::Entity.define_entity(:war_factory, :building, 2_000, "Builds units") do |entity|
+  entity.has(:build_queue)
+  entity.has(:sidebar_actions)
+  entity.component(:sidebar_actions).add(:add_to_build_queue, :jeep)
+  entity.component(:sidebar_actions).add(:add_to_build_queue, :tank)
+  entity.component(:sidebar_actions).add(:add_to_build_queue, :harvester)
+
   entity.radius = 48
   entity.max_health = 100.0
 

lib/entities/units/helicopter.rb

@@ -0,0 +1,14 @@
+IMICRTS::Entity.define_entity(:helicopter, :unit, 400, "Attacks ground targets") do |entity|
+  entity.has(:movement)
+
+  entity.radius = 14
+  entity.movement = :air
+  entity.max_health = 100.0
+
+  entity.body_image = "vehicles/helicopter/helicopter.png"
+  entity.shell_image = "vehicles/helicopter/helicopter_shell.png"
+  entity.overlay_image = "vehicles/helicopter/helicopter_overlay.png"
+
+  entity.on_tick do
+  end
+end

lib/entities/units/jeep.rb

@@ -0,0 +1,17 @@
+IMICRTS::Entity.define_entity(:jeep, :unit, 400, "Attacks ground targets") do |entity|
+  entity.has(:movement)
+  entity.has(:turret)
+
+  entity.radius = 14
+  entity.movement = :ground
+  entity.max_health = 100.0
+
+  entity.body_image = "vehicles/jeep/jeep.png"
+  entity.shell_image = "vehicles/jeep/tank_shell.png"
+
+  entity.component(:turret).shell_image = "vehicles/jeep/jeep_turret_shell.png"
+  entity.component(:turret).center.y = 0.3125
+
+  entity.on_tick do
+  end
+end

lib/entity.rb

@@ -67,7 +67,7 @@ class IMICRTS
       if component
         @components[symbol] = component.new(parent: self)
       else
-        raise "Unknown component: #{component.inspect}"
+        raise "Unknown component: #{symbol.inspect}"
       end
     end
 

lib/entity_controller.rb

@@ -69,6 +69,17 @@ class IMICRTS
           @director.schedule_order(Order::SELECTED_UNITS, @player.id, @selected_entities)
         else
           pick_entity
+          if ent = @selected_entities.first
+            return unless ent.component(:sidebar_actions)
+
+            @game.sidebar_actions.clear do |stack|
+              ent.component(:sidebar_actions).actions.each do |action|
+                stack.button action.label, tip: action.description do
+                  action.block.call if action.block
+                end
+              end
+            end
+          end
         end
       end
     end

lib/states/game.rb

@@ -2,7 +2,7 @@ class IMICRTS
   class Game < CyberarmEngine::GuiState
     Overlay = Struct.new(:image, :position, :angle, :alpha)
 
-    attr_reader :sidebar, :overlays
+    attr_reader :sidebar, :sidebar_actions, :overlays
     def setup
       window.show_cursor = true
       @options[:networking_mode] ||= :host
@@ -21,8 +21,8 @@ class IMICRTS
         label "SIDEBAR", text_size: 78, margin_bottom: 20
 
         flow(width: 1.0) do
-          @buttons = stack(width: 0.9) do
+          @sidebar_actions = stack(width: 0.9) do
-            @h = button("Harvester", width: 1.0) do
+            button("Harvester", width: 1.0) do
               @player.entities << Entity.new(
                 name: :harvester,
                 director: @director,
@@ -32,7 +32,7 @@ class IMICRTS
                 angle: rand(360)
               )
             end
-            @c = button("Construction Worker", width: 1.0) do
+            button("Construction Worker", width: 1.0) do
               @player.entities << Entity.new(
                 name: :construction_worker,
                 director: @director,
@@ -42,7 +42,7 @@ class IMICRTS
                 angle: rand(360)
               )
             end
-            @t = button("Tank", width: 1.0) do
+            button("Tank", width: 1.0) do
               @player.entities << Entity.new(
                 name: :tank,
                 director: @director,