entities, components, and systems improved

1 files changed, 185 insertions, 0 deletions

diff --git a/spec/system_manager_spec.rb b/spec/system_manager_spec.rb
new file mode 100644
index 0000000..c2b8cf6
--- /dev/null
+++ b/spec/system_manager_spec.rb
@@ -0,0 +1,185 @@
+require_relative '../felflame.rb'
+
+describe 'Components' do
+
+  before :all do
+    @component_manager ||= FelFlame::Components.new('TestSystems', health: 10, name: 'imp')
+  end
+
+  before :each do
+  end
+
+  after :each do
+    #TODO: order breaks it
+    @component_manager.each(&:delete)
+    FelFlame::Entities.each(&:delete)
+    FelFlame::Systems.each(&:clear_triggers)
+  end
+
+  it 'can create a system' do
+    FelFlame::Systems.new('Test100') do
+      'Works'
+    end
+    expect(FelFlame::Systems::Test100.call).to eq('Works')
+  end
+
+  it 'can be redefined' do
+    FelFlame::Systems.new('Test101') do
+      'neat'
+    end
+    FelFlame::Systems::Test101.redefine do
+      'very neat'
+    end
+    expect(FelFlame::Systems::Test101.call).to eq('very neat')
+  end
+
+  it 'can iterate over the sorted systems by priority' do
+    FelFlame::Systems.new('Test102', priority: 1) {}
+    FelFlame::Systems.new('Test103', priority: 50) {}
+    FelFlame::Systems.new('Test104', priority: 7) {}
+    answer_key = ['Test103', 'Test104', 'Test102']
+    test = FelFlame::Systems.each.to_a
+    # converts the system name to the constant, compares their positions making sure they are sorted
+    # higher priority should be placed first
+    expect(test.map(&:const_name).find_index(answer_key[0])).to be <= test.map(&:const_name).find_index(answer_key[1])
+    expect(test.map(&:const_name).find_index(answer_key[0])).to be <= test.map(&:const_name).find_index(answer_key[2])
+    expect(test.map(&:const_name).find_index(answer_key[1])).to be >= test.map(&:const_name).find_index(answer_key[0])
+    expect(test.map(&:const_name).find_index(answer_key[1])).to be <= test.map(&:const_name).find_index(answer_key[2])
+    expect(test.map(&:const_name).find_index(answer_key[2])).to be >= test.map(&:const_name).find_index(answer_key[0])
+    expect(test.map(&:const_name).find_index(answer_key[2])).to be >= test.map(&:const_name).find_index(answer_key[1])
+  end
+
+  it 'can manipulate components' do
+    init1 = 27
+    init2 = 130
+    multiple = 3
+    first = @component_manager.new(health: init1)
+    second = @component_manager.new(health: init2)
+    FelFlame::Systems.new('Test105') do
+      @component_manager.each do |component|
+        component.health -= multiple
+      end
+    end
+    FelFlame::Systems::Test105.call
+    expect(first.health).to eq(init1 -= multiple)
+    expect(second.health).to eq(init2 -= multiple)
+    10.times do
+      FelFlame::Systems::Test105.call
+    end
+    expect(first.health).to eq(init1 - (multiple * 10))
+    expect(second.health).to eq(init2 - (multiple * 10))
+  end
+  it 'can trigger when a single Component is added' do
+    FelFlame::Systems.new 'Test107' do
+      @component_manager.each do |component|
+        component.health += 5
+      end
+    end
+    @cmp0 = @component_manager.new
+    @cmp1 = @component_manager.new health: 20
+    FelFlame::Systems::Test107.trigger_when_added @cmp0
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity0 = FelFlame::Entities.new
+    @entity1 = FelFlame::Entities.new @cmp0
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+    @entity0.add @cmp0
+    expect(@cmp0.health).to eq(20)
+    expect(@cmp1.health).to eq(30)
+  end
+
+  it 'can trigger when a Component from a manager is added' do
+    FelFlame::Systems.new 'Test106' do
+      @component_manager.each do |component|
+        component.health += 5
+      end
+    end
+    @cmp1 = @component_manager.new
+    @cmp2 = @component_manager.new health: 20
+    FelFlame::Systems::Test106.trigger_when_added @component_manager
+    expect(@cmp1.health).to eq(10)
+    expect(@cmp2.health).to eq(20)
+    @entity1 = FelFlame::Entities.new
+    @entity2 = FelFlame::Entities.new @cmp2
+    expect(@cmp1.health).to eq(15)
+    expect(@cmp2.health).to eq(25)
+    FelFlame::Systems::Test106.trigger_when_added @cmp1
+    @entity1.add @cmp1
+    expect(@cmp1.health).to eq(20)
+    expect(@cmp2.health).to eq(30)
+  end
+
+  it 'can trigger when a single Component is removed' do
+    FelFlame::Systems.new 'Test108' do
+      @component_manager.each do |component|
+        component.health += 5
+      end
+    end
+    @cmp0 = @component_manager.new
+    @cmp1 = @component_manager.new health: 20
+    FelFlame::Systems::Test108.trigger_when_removed @cmp0
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity0 = FelFlame::Entities.new
+    @entity1 = FelFlame::Entities.new @cmp0
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity1.remove @cmp0
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+    @entity0.add @cmp1, @cmp0
+    @entity0.remove @cmp1
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+  end
+
+  it 'can trigger when a Component from a manager is removed' do
+    FelFlame::Systems.new 'Test109' do
+      @component_manager.each do |component|
+        component.health += 5
+      end
+    end
+    @cmp0 = @component_manager.new
+    @cmp1 = @component_manager.new health: 20
+    FelFlame::Systems::Test109.trigger_when_removed @component_manager
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity0 = FelFlame::Entities.new
+    @entity1 = FelFlame::Entities.new @cmp0
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity1.remove @cmp0
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+    FelFlame::Systems::Test109.trigger_when_removed @cmp1
+    @entity0.add @cmp1, @cmp0
+    @entity0.remove @cmp1
+    expect(@cmp0.health).to eq(20)
+    expect(@cmp1.health).to eq(30)
+  end
+=begin
+  it 'can trigger when a single Component is added' do
+    FelFlame::Systems.new 'Test110' do
+      @component_manager.each do |component|
+        component.health += 5
+      end
+    end
+    @cmp0 = @component_manager.new
+    @cmp1 = @component_manager.new health: 20
+    FelFlame::Systems::Test110.trigger_when_is_changed @cmp0, :name
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @entity0 = FelFlame::Entities.new
+    @entity1 = FelFlame::Entities.new @cmp0
+    expect(@cmp0.health).to eq(10)
+    expect(@cmp1.health).to eq(20)
+    @cmp0.name = 'different'
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+    @cmp1.name = 'different'
+    expect(@cmp0.health).to eq(15)
+    expect(@cmp1.health).to eq(25)
+  end
+=end
+end