V0.1

First publishable version of the mod

tools/benchmark_effects.gd

@@ -0,0 +1,76 @@
+extends SceneTree
+
+const BEAMS := 12
+const SAMPLES := 120
+
+
+func _initialize() -> void:
+	call_deferred("_run")
+
+
+func _run() -> void:
+	Engine.max_fps = 90
+	var stage := Node3D.new()
+	root.add_child(stage)
+	var camera := Camera3D.new()
+	stage.add_child(camera)
+	camera.position = Vector3(0.0, 1.4, 4.0)
+	camera.look_at(Vector3.ZERO)
+	camera.current = true
+	var effects: Node3D = load("res://scripts/combat_effects.gd").new()
+	stage.add_child(effects)
+	var results := {}
+	for mode in ["mutable_mesh", "unit_transform"]:
+		var phase := Node3D.new()
+		stage.add_child(phase)
+		var segments: Array[MeshInstance3D] = []
+		var changed := {"count": 0}
+		var watched := {}
+		for i in range(BEAMS):
+			var beam: MeshInstance3D = effects._projectile_visual("beam", Color.ORANGE)
+			phase.add_child(beam)
+			for child in beam.get_children():
+				var segment := child as MeshInstance3D
+				if mode == "mutable_mesh":
+					segment.mesh = segment.mesh.duplicate()
+				segments.append(segment)
+				if not watched.has(segment.mesh.get_instance_id()):
+					watched[segment.mesh.get_instance_id()] = true
+					segment.mesh.changed.connect(func(): changed["count"] += 1)
+		var total_us := 0
+		for frame in range(SAMPLES + 20):
+			if frame == 20:
+				changed["count"] = 0
+			var start_us := Time.get_ticks_usec()
+			for i in range(segments.size()):
+				var start := Vector3(-1.5, float(i / 2) * 0.025 - 0.2, 0.0)
+				var end := Vector3(1.5, sin(frame * 0.027 + i * 0.01) * 0.65, cos(frame * 0.023) * 0.28)
+				var radius := 0.004 if i % 2 == 0 else 0.012
+				if mode == "mutable_mesh":
+					_mutable_segment(segments[i], start, end, radius)
+				else:
+					effects._segment(segments[i], start, end, radius)
+			if frame >= 20:
+				total_us += Time.get_ticks_usec() - start_us
+			await process_frame
+			await RenderingServer.frame_post_draw
+		results[mode] = {"cpu_update_us_per_frame": float(total_us) / SAMPLES,
+			"mesh_resource_changes": changed["count"], "mesh_resources": watched.size()}
+		phase.queue_free()
+		await process_frame
+	print("BEAM_BENCHMARK beams=", BEAMS, " samples=", SAMPLES, " ", JSON.stringify(results))
+	quit()
+
+
+func _mutable_segment(node: MeshInstance3D, start: Vector3, end: Vector3, radius: float) -> void:
+	var direction := end - start
+	var length := direction.length()
+	var axis := direction / length
+	var reference := Vector3.RIGHT if absf(axis.dot(Vector3.UP)) > 0.98 else Vector3.UP
+	var side := reference.cross(axis).normalized()
+	node.global_basis = Basis(side, axis, side.cross(axis))
+	node.global_position = (start + end) * 0.5
+	var mesh := node.mesh as CylinderMesh
+	mesh.height = length
+	mesh.top_radius = radius
+	mesh.bottom_radius = radius