basic ECS spawner

addons/gecs/tests/performance/test_entity_perf.gd

@@ -0,0 +1,103 @@
+## Entity Performance Tests
+## Tests entity creation, addition, removal, and operations
+extends GdUnitTestSuite
+
+var runner: GdUnitSceneRunner
+var world: World
+
+
+func before():
+	runner = scene_runner("res://addons/gecs/tests/test_scene.tscn")
+	world = runner.get_property("world")
+	ECS.world = world
+
+
+## Test entity creation performance at different scales
+func test_entity_creation(scale: int, test_parameters := [[100], [1000], [10000]]):
+	var entities = []
+
+	var time_ms = PerfHelpers.time_it(func():
+		for i in scale:
+			var entity = auto_free(Entity.new())
+			entity.name = "PerfEntity_%d" % i
+			entities.append(entity)
+	)
+
+	PerfHelpers.record_result("entity_creation", scale, time_ms)
+
+
+## Test entity creation with multiple components
+func test_entity_with_components(scale: int, test_parameters := [[100], [1000], [10000]]):
+	var entities = []
+
+	var time_ms = PerfHelpers.time_it(func():
+		for i in scale:
+			var entity =  auto_free(Entity.new())
+			entity.name = "PerfEntity_%d" % i
+			entity.add_component(C_TestA.new())
+			entity.add_component(C_TestB.new())
+			if i % 2 == 0:
+				entity.add_component(C_TestC.new())
+			entities.append(entity)
+	)
+
+	PerfHelpers.record_result("entity_with_components", scale, time_ms)
+	world.purge(false)
+
+## Test adding entities to world
+func test_entity_world_addition(scale: int, test_parameters := [[100], [1000], [10000]]):
+	var entities = []
+
+	# Pre-create entities
+	for i in scale:
+		var entity = Entity.new()
+		entity.name = "PerfEntity_%d" % i
+		entities.append(entity)
+
+	# Time just the world addition
+	var time_ms = PerfHelpers.time_it(func():
+		for entity in entities:
+			world.add_entity(entity, null, false)
+	)
+
+	PerfHelpers.record_result("entity_world_addition", scale, time_ms)
+	world.purge(false)
+
+## Test removing entities from world
+func test_entity_removal(scale: int, test_parameters := [[100], [1000], [10000]]):
+	var entities = []
+
+	# Setup: create and add entities
+	for i in scale:
+		var entity = Entity.new()
+		entity.name = "PerfEntity_%d" % i
+		entities.append(entity)
+		world.add_entity(entity, null, false)
+
+	# Time removal of half the entities
+	var time_ms = PerfHelpers.time_it(func():
+		var to_remove = entities.slice(0, scale / 2)
+		for entity in to_remove:
+			world.remove_entity(entity)
+	)
+
+	PerfHelpers.record_result("entity_removal", scale, time_ms)
+	world.purge(false)
+
+## Test bulk entity operations
+func test_bulk_entity_operations(scale: int, test_parameters := [[100], [1000], [10000]]):
+	var entities = []
+
+	# Create batch
+	for i in scale:
+		var entity = Entity.new()
+		entity.name = "BatchEntity_%d" % i
+		entities.append(entity)
+
+	# Time bulk addition to world
+	var time_ms = PerfHelpers.time_it(func():
+		world.add_entities(entities)
+	)
+
+	PerfHelpers.record_result("bulk_entity_operations", scale, time_ms)
+	world.purge(false)