class Move::Spawn

A move for ghosts.

Constants

SPAWN_TRAVEL_SPEED

Attributes

target_id[RW]

target_id is registry_id of selected base

Public Instance Methods

all_state() click to toggle source
Calls superclass method ComplexMove#all_state
# File lib/game_2d/move/spawn.rb, line 52
def all_state
  super.push @target_id
end
as_json() click to toggle source
Calls superclass method ComplexMove#as_json
# File lib/game_2d/move/spawn.rb, line 55
def as_json
  super.merge! :target => @target_id
end
on_completion(actor) click to toggle source
# File lib/game_2d/move/spawn.rb, line 17
def on_completion(actor)
  space = actor.space
  target = space[target_id]
  return unless target && target.available?

  gecko = Entity::Gecko.new(actor.player_name)
  gecko.score = actor.score
  gecko.x, gecko.y, gecko.a = target.x, target.y, target.a
  return unless space << gecko

  actor.replace_player_entity(gecko)
end
to_s() click to toggle source
# File lib/game_2d/move/spawn.rb, line 62
def to_s
  "Spawn[#{target_id}]"
end
update(actor) click to toggle source
# File lib/game_2d/move/spawn.rb, line 30
def update(actor)
  # It's convenient to set 'self' to the Player
  # object, here
  actor.instance_exec(self) do |cm|
    # Abort if the target gets destroyed, or becomes
    # occupied
    target = space[cm.target_id]
    return false unless target && target.available?

    # We're done
    if x == target.x && y == target.y
      @x_vel = @y_vel = 0
      return false
    end

    @x_vel = [[target.x - x, -SPAWN_TRAVEL_SPEED].max, SPAWN_TRAVEL_SPEED].min
    @y_vel = [[target.y - y, -SPAWN_TRAVEL_SPEED].max, SPAWN_TRAVEL_SPEED].min
    # move returns false: it failed somehow
    return move
  end
end
update_from_json(json) click to toggle source
Calls superclass method ComplexMove#update_from_json
# File lib/game_2d/move/spawn.rb, line 58
def update_from_json(json)
  self.target_id = json[:target].to_sym if json[:target]
  super
end