Class: FelFlame::Scenes

Inherits:
Object
  • Object
show all
Defined in:
lib/felflame.rb,
lib/felflame/scene_manager.rb

Overview

Creates and manages Scenes. Scenes are collections of Systems, and execute all the Systems when called upon. Any scenes you create are accessable under the Scenes namespace as Constants.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, priority: 0) ⇒ Scenes

Create a new Scene using the name given



22
23
24
25
 
# File 'lib/felflame/scene_manager.rb', line 22

def initialize(name, priority: 0)
  self.priority = priority
  FelFlame::Scenes.const_set(name, self)
end

Instance Attribute Details

#priority ⇒ Object

How early this Scene should be executed in a list of Scenes



12
13
14
 
# File 'lib/felflame/scene_manager.rb', line 12

def priority
  @priority
end

#systems ⇒ Array<System>

The list of Systems this Scene contains



29
30
31
 
# File 'lib/felflame/scene_manager.rb', line 29

def systems
  @systems ||= []
end

Instance Method Details

#add(*systems_to_add) ⇒ Boolean

Adds any number of Systems to this Scene



42
43
44
45
46
47
48
49
 
# File 'lib/felflame/scene_manager.rb', line 42

def add(*systems_to_add)
  self.systems |= systems_to_add
  self.systems = systems.sort_by(&:priority)
  systems_to_add.each do |system|
    system.scenes |= [self]
  end
  true
end

#call ⇒ Boolean

Execute all systems in this Scene, in the order of their priority



35
36
37
38
 
# File 'lib/felflame/scene_manager.rb', line 35

def call
  systems.each(&:call)
  true
end

#clear ⇒ Boolean

Removes all Systems from this Scene



60
61
62
63
64
65
66
67
 
# File 'lib/felflame/scene_manager.rb', line 60

def clear
  systems.each do |system|
    system.scenes.delete self
  end
  systems.clear
  # FelFlame::Stage.update_systems_list if FelFlame::Stage.scenes.include? self
  true
end

#remove(*systems_to_remove) ⇒ Boolean

Removes any number of Systems from this Scene



53
54
55
56
 
# File 'lib/felflame/scene_manager.rb', line 53

def remove(*systems_to_remove)
  self.systems -= systems_to_remove
  true
end