51 lines
1.3 KiB
GDScript
51 lines
1.3 KiB
GDScript
## DpsTracker — DPS 环形缓冲区（Autoload: DpsTracker）
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## 权威来源：implementation_plan.md §2.5.E（P6-N38、P6-N47）
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extends Node
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const DPS_WINDOW_SEC: float = 3.0
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const _RB_SIZE: int = 256
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var _rb_time: PackedFloat64Array = PackedFloat64Array()
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var _rb_dmg: PackedFloat32Array = PackedFloat32Array()
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var _rb_head: int = 0
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var _rb_count: int = 0
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var _accumulated_dmg: float = 0.0
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func _ready() -> void:
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_rb_time.resize(_RB_SIZE)
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_rb_dmg.resize(_RB_SIZE)
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func record_damage(amount: float) -> void:
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if amount <= 0.0:
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return
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var now: float = Time.get_ticks_msec() / 1000.0
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_rb_time[_rb_head] = now
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_rb_dmg[_rb_head] = amount
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_rb_head = (_rb_head + 1) % _RB_SIZE
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if _rb_count < _RB_SIZE:
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_rb_count += 1
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_accumulated_dmg += amount
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func get_dps() -> float:
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_recalc_window(Time.get_ticks_msec() / 1000.0)
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return _accumulated_dmg / DPS_WINDOW_SEC
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func _recalc_window(now: float) -> void:
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var sum: float = 0.0
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var valid: int = 0
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var tail: int = (_rb_head - _rb_count + _RB_SIZE) % _RB_SIZE
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for k in _rb_count:
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var idx: int = (tail + k) % _RB_SIZE
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if (now - _rb_time[idx]) <= DPS_WINDOW_SEC:
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sum += _rb_dmg[idx]
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valid += 1
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_accumulated_dmg = sum
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_rb_count = valid
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func reset() -> void:
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_rb_head = 0
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_rb_count = 0
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_accumulated_dmg = 0.0
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_rb_time.fill(0.0)
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_rb_dmg.fill(0.0)
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