初次提交

scenes/main/combat_test.gd

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+## CombatTest — S1 最小战斗调试场景
+## 目标：玩家自动发射 spark_bolt，子弹命中敌人，敌人死亡，屏幕显示击杀数
+## 验收：P-S1-01 ~ P-S1-05
+extends Node2D
+
+const SPAWN_ENEMIES:  int = 50    # S1 验收：50 只散兵（充分验证伤害）
+
+var _player_node: Node2D = null
+var _perf_label:  Label  = null
+var _spawned:     bool   = false
+
+func _ready() -> void:
+	_setup_debug_ui()
+	PlayerManager.set_player_node(_player_node)
+	# 装备法杯：wand_basic + spark_bolt
+	var loadout: Dictionary = WandPreset.make_default_loadout()
+	PlayerManager.equip_wand(loadout["core"], loadout["compiled"])
+	_run_spawn()
+
+func _process(_delta: float) -> void:
+	_update_perf_ui()
+
+func _run_spawn() -> void:
+	var arena: float = 600.0
+	for _i in SPAWN_ENEMIES:
+		EnemyManager.spawn_enemy(
+			Vector2(randf_range(-arena, arena), randf_range(-arena, arena)),
+			50.0  # P-S1-01: HP = 50，spark_bolt 卷 3 伤
+		)
+	_spawned = true
+	print("[CombatTest S1] 生成完成: %d 敌人, wand_basic+spark_bolt 装备" % SPAWN_ENEMIES)
+
+func _update_perf_ui() -> void:
+	if not _spawned or not _perf_label:
+		return
+	_perf_label.text = (
+		"FPS: %.1f\n敌人: %d\n击杀: %d\n子弹: %d\nTick: %d\n池: %s" % [
+			Engine.get_frames_per_second(),
+			EnemyManager.get_active_count(),
+			PlayerManager.kill_count,
+			BulletManager.get_active_count(),
+			TimeManager.game_tick,
+			DamageContextPool.get_pool_usage()
+		]
+	)
+
+func _setup_debug_ui() -> void:
+	var canvas := CanvasLayer.new()
+	canvas.name = "DebugUI"
+	add_child(canvas)
+
+	var perf := Label.new()
+	perf.name = "PerfLabel"
+	perf.position = Vector2(16, 16)
+	perf.add_theme_font_size_override("font_size", 18)
+	canvas.add_child(perf)
+	_perf_label = perf
+
+	var p := Node2D.new()
+	p.name = "Player"
+	add_child(p)
+	_player_node = p