blob: a9d3ac763d6824f35ce6a060095a76174e985af4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
module FelFlame
class Scenes
# The Constant name assigned to this Scene
attr_reader :const_name
# Allows overwriting the storage of systems, such as for clearing.
# This method should generally only need to be used internally and
# not by a game developer/
# @!visibility private
attr_writer :systems
# Create a new Scene using the name given
# @param name [String] String format must follow requirements of a constant
def initialize(name)
FelFlame::Scenes.const_set(name, self)
@const_name = name
end
# The list of Systems this Scene contains
# @return [Array<System>]
def systems
@systems ||= []
end
# Execute all systems in this Scene, in the order of their priority
# @return [Boolean] +true+
def call
systems.each(&:call)
true
end
# Adds any number of Systems to this Scene
# @return [Boolean] +true+
def add(*systems_to_add)
self.systems |= systems_to_add
self.systems = systems.sort_by(&:priority)
FelFlame::Stage.update_systems_list if FelFlame::Stage.scenes.include? self
true
end
# Removes any number of Systems from this Scene
# @return [Boolean] +true+
def remove(*systems_to_remove)
self.systems -= systems_to_remove
self.systems = systems.sort_by(&:priority)
FelFlame::Stage.update_systems_list if FelFlame::Stage.scenes.include? self
true
end
# Removes all Systems from this Scene
# @return [Boolean] +true+
def clear
systems.clear
FelFlame::Stage.update_systems_list if FelFlame::Stage.scenes.include? self
true
end
end
end
|
