Class: Kiwi::Internal::EntityStore
- Inherits:
-
Object
- Object
- Kiwi::Internal::EntityStore
- Defined in:
- lib/entity.rb
Instance Method Summary collapse
- #entity_count ⇒ Object
- #entity_ids ⇒ Object
-
#get(entityId) ⇒ Object
Returns an entity.
- #has_flag(entityId, flagId) ⇒ bool
-
#initialize ⇒ EntityStore
constructor
A new instance of EntityStore.
-
#kill(entityId) ⇒ Object
Mark an entity as dead.
-
#new_id ⇒ Object
Returns a new entity id (int).
- #remove_flag(entityId, flagId) ⇒ Object
- #reset_flags(entityId) ⇒ Object
- #set_flag(entityId, flagId) ⇒ Object
-
#spawn(entityId, archId, archRowId) ⇒ Object
Spawn a new entity with the given ids.
Constructor Details
#initialize ⇒ EntityStore
Returns a new instance of EntityStore.
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# File 'lib/entity.rb', line 10 def initialize # [Entity] @entities = [] # [Bitmap] @flags = [] @nextId = 0 @deadEntities = Set.new end |
Instance Method Details
#entity_count ⇒ Object
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# File 'lib/entity.rb', line 57 def entity_count return ((0...@entities.count).reduce(0) do |count, id| if @deadEntities.include? id return count else return count + 1 end end) end |
#entity_ids ⇒ Object
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# File 'lib/entity.rb', line 100 def entity_ids return (0...@nextId).filter do |id| !@deadEntities.include?(id) end end |
#get(entityId) ⇒ Object
Returns an entity
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# File 'lib/entity.rb', line 44 def get(entityId) return @entities[entityId] end |
#has_flag(entityId, flagId) ⇒ bool
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# File 'lib/entity.rb', line 70 def has_flag(entityId, flagId) if @flags.size <= entityId return false else return @flags[entityId].contains(flagId) end end |
#kill(entityId) ⇒ Object
Mark an entity as dead
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# File 'lib/entity.rb', line 53 def kill(entityId) @deadEntities.add entityId end |
#new_id ⇒ Object
Returns a new entity id (int)
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# File 'lib/entity.rb', line 20 def new_id id = @deadEntities.first if id != nil @deadEntities.delete id return id else id = @nextId @nextId += 1 return id end end |
#remove_flag(entityId, flagId) ⇒ Object
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# File 'lib/entity.rb', line 88 def remove_flag(entityId, flagId) if @flags.size <= entityId return end @flags[entityId].remove(flagId) end |
#reset_flags(entityId) ⇒ Object
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# File 'lib/entity.rb', line 96 def reset_flags(entityId) @flags[entityId].clear() end |
#set_flag(entityId, flagId) ⇒ Object
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# File 'lib/entity.rb', line 78 def set_flag(entityId, flagId) if @flags.size <= entityId (@flags.size..entityId).each do |_| @flags.push(Bitmap.new) end end @flags[entityId].set(flagId) end |
#spawn(entityId, archId, archRowId) ⇒ Object
Spawn a new entity with the given ids
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# File 'lib/entity.rb', line 33 def spawn(entityId, archId, archRowId) if @entities.count <= entityId @entities.push(Entity.new(archId, archRowId)) else @entities[entityId] = Entity.new(archId, archRowId) self.reset_flags(entityId) end end |