Created
July 11, 2020 19:27
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Entitas
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require "crsfml" | |
require "entitas" | |
# ---- domain ---- | |
module Domain | |
struct Dimension | |
property rows : Int32 | |
property cols : Int32 | |
def initialize(@rows, @cols); end | |
end | |
struct Position | |
property row : Int32 | |
property col : Int32 | |
def initialize(@row, @col); end | |
end | |
end | |
# ---- components ---- | |
@[Component::Unique] | |
@[Context(Game)] | |
class Board < Entitas::Component | |
prop :dimension, Domain::Dimension, default: Domain::Dimension.new(8, 8) | |
end | |
@[Context(Game)] | |
class Gem < Entitas::Component | |
end | |
@[Context(Game)] | |
class Position < Entitas::Component | |
prop :position, Domain::Position, default: Domain::Position.new(0, 0) | |
end | |
# ---- systems ---- | |
module Systems | |
class Board < Entitas::ReactiveSystem | |
spoved_logger | |
include Entitas::Systems::InitializeSystem | |
protected property contexts : Contexts | |
protected property gems : Entitas::Group(GameEntity) | |
def initialize(@contexts) | |
@gems = @contexts.game.get_group(GameMatcher.all_of(GameMatcher.gem, GameMatcher.position)) | |
@collector = get_trigger(@contexts.game) | |
end | |
def get_trigger(context : Entitas::Context) : Entitas::ICollector | |
context.create_collector(GameMatcher.board) | |
end | |
def init | |
logger.info { "INIT" } | |
end | |
def execute(entities : Array(Entitas::IEntity)) | |
logger.info { "EXEC" } | |
puts "EXEC" | |
end | |
end | |
end | |
# ---- game application ---- | |
class App | |
spoved_logger | |
getter systems : Entitas::Systems = Entitas::Systems.new | |
getter window : SF::RenderWindow | |
def initialize | |
mode = SF::VideoMode.new(2560, 1440) | |
@window = SF::RenderWindow.new(mode, "Match-3 game!", SF::Style::Titlebar | SF::Style::Close) | |
@window.vertical_sync_enabled = true | |
@window.mouse_cursor_visible = false | |
@systems = create_systems(Contexts.shared_instance) | |
logger.info { "App init" } | |
end | |
def create_systems(contexts) | |
Entitas::Feature.new("Systems") | |
.add(Systems::Board.new(contexts)) | |
end | |
def run | |
while window.open? | |
while event = window.poll_event | |
if event.is_a? SF::Event::Closed | |
window.close | |
end | |
end | |
systems.execute | |
window.clear(SF::Color::Red) | |
# @window.draw(some_sprite_etc) | |
window.display | |
systems.cleanup | |
end | |
end | |
end | |
App.new.run |
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