init

1 files changed, 35 insertions, 0 deletions

diff --git a/component_manager.rb b/component_manager.rb
new file mode 100644
index 0000000..f54c5f6
--- /dev/null
+++ b/component_manager.rb
@@ -0,0 +1,35 @@
+#require 'app/ECS/base_component.rb'
+
+#require 'app/ECS/components/00_test_component.rb'
+#require 'app/ECS/components/01_based.rb'
+
+class Components
+  class <<self
+    def entity_destroyed(entity_id)
+      constants.each do |component|
+        component.delete(entity_id) unless (component.id & Entity.signatures[entity_id]).zero?
+      end
+    end
+
+    def entity_created(entity_id)
+      constants.each do |component|
+        const_get(component.to_s).add(entity_id) unless (const_get(component.to_s).id & Entity.signatures[entity_id]).zero?
+      end
+    end
+
+    def new(component_name, *attrs, **attrs_with_defaults)
+      const_set(component_name, Class.new(Helper::BaseComponent) {})
+      attrs.each do |attr|
+        Components.const_get(component_name).attr_accessor attr
+      end
+      attrs_with_defaults.each do |attr, default|
+        Components.const_get(component_name).attr_writer attr
+        Components.const_get(component_name).define_method(attr) do
+          return default unless instance_variable_defined? "@#{attr}"
+
+          instance_variable_get "@#{attr}"
+        end
+      end
+    end
+  end
+end