Implement playable Mac client and rendering validation

project/effect_emission_test.gd

@@ -0,0 +1,28 @@
+extends SceneTree
+const EffectPlayer = preload("res://fx/effect_player.gd")
+var failures := 0
+func check(ok: bool, label: String) -> void:
+	if not ok:
+		failures += 1
+		printerr("FAIL: " + label)
+func _init() -> void:
+	call_deferred("run")
+func run() -> void:
+	var fx := EffectPlayer.new()
+	for attached in [0, 1]:
+		fx.build({"particles": [{"emitter": {"CycleLength": 0.8, "CycleLoopEnable": 0,
+			"TimeEventLifeTime": [[0, 0.05]]}, "particle": {"AttachEnable": attached}}]})
+	root.add_child(fx)
+	fx.play(true)
+	for i in range(2):
+		check(fx._emitters[i].local_coords == bool(i), "AttachEnable determines local/world simulation")
+		check(not fx._emitters[i].one_shot, "effect cleanup must not impose single GPU lifetime")
+	await create_timer(0.3).timeout
+	for emitter in fx._emitters:
+		check(emitter.emitting, "short-lived particles still emit inside source cycle")
+	await create_timer(0.6).timeout
+	for emitter in fx._emitters:
+		check(not emitter.emitting, "source cycle still stops emission")
+	fx.free()
+	print("effect_emission_test: failures=%d" % failures)
+	quit(1 if failures else 0)