Class: Rain::Matrix

Inherits:
Object
  • Object
show all
Includes:
LowType, Observers
Defined in:
lib/matrix/matrix.rb

Instance Method Summary collapse

Constructor Details

#initialize(event_pool:, config: ConfigLoader.load('./config/matrix.yaml')) ⇒ Matrix

Returns a new instance of Matrix.



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# File 'lib/matrix/matrix.rb', line 16

def initialize(event_pool:, config: ConfigLoader.load('./config/matrix.yaml'))
  @event_pool = event_pool
  @config = config

  @screen_size = nil

  @last_stream_index = -1
  @streams = {} # TODO: Could be a "stream pool" like event pool (a pool hash).
  @columns = []
end

Instance Method Details

#new_event_tree(event: Low::Events::EventTree) ⇒ Object

TODO: Introduce “on :new_event_tree do |event|” block construct in LowEvent for making event handlers more obvious. TODO: Observers should allow arbitrary params when triggering and observing.



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# File 'lib/matrix/matrix.rb', line 46

def new_event_tree(event: Low::Events::EventTree)
  stream = upsert_stream(event_tree: event)
  stream.redraw(cell_count: @screen_size[:row_count])
end

#redraw(screen_size:) ⇒ Object 



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# File 'lib/matrix/matrix.rb', line 27

def redraw(screen_size:)
  @setup ||= setup

  @streams.each_value do |stream|
    stream.redraw(cell_count: screen_size[:row_count])
  end
end

#render(screen_size:, show_output: true) ⇒ Object 



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# File 'lib/matrix/matrix.rb', line 35

def render(screen_size:, show_output: true)
  if screen_size != @screen_size
    @screen_size = screen_size
    redraw(screen_size:)
  end

  render_streams(show_output:)
end