70 lines
2.1 KiB
GDScript
70 lines
2.1 KiB
GDScript
## DamageContextPool — 伤害上下文对象池（Autoload: DamageContextPool）
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## 权威来源：implementation_plan.md §2.1 E-N2 P6-N67
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## 本文件不声明 class_name！禁止将 DamageContext 写入这里
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extends Node
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const POOL_SIZE: int = 64
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var _slots: Array = []
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var _free_ids: PackedInt32Array = PackedInt32Array()
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var _in_use: PackedByteArray = PackedByteArray()
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func _ready() -> void:
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_slots.resize(POOL_SIZE)
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_free_ids.resize(POOL_SIZE)
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_in_use.resize(POOL_SIZE)
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for i in POOL_SIZE:
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_slots[i] = DamageContext.new()
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_free_ids[i] = POOL_SIZE - 1 - i
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_in_use[i] = 0
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## acquire 内部已调用 ctx.reset()，P6-N67
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func acquire(base_dmg: float, m: float, dtype: int, owner: int, crit: bool, pierce: float) -> int:
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if _free_ids.is_empty():
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push_warning("DamageContextPool: 池已耗尽 (POOL_SIZE=%d)" % POOL_SIZE)
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var new_id: int = _slots.size()
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_slots.append(DamageContext.new())
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_in_use.append(0)
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_fill_slot(new_id, base_dmg, m, dtype, owner, crit, pierce)
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return new_id
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var id: int = _free_ids[_free_ids.size() - 1]
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_free_ids.resize(_free_ids.size() - 1)
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_fill_slot(id, base_dmg, m, dtype, owner, crit, pierce)
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return id
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func _fill_slot(id: int, base_dmg: float, m: float, dtype: int, owner: int, crit: bool, pierce: float) -> void:
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var ctx: DamageContext = _slots[id]
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ctx.reset()
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ctx.base_damage = base_dmg
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ctx.mult = m
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ctx.damage_type = dtype
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ctx.owner_id = owner
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ctx.is_crit = crit
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ctx.pierce_rate = pierce
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_in_use[id] = int(1)
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func get_context(id: int) -> DamageContext:
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if id < 0 or id >= _slots.size() or _in_use[id] == 0:
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return null
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return _slots[id]
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func release(id: int) -> void:
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if id < 0 or id >= _slots.size() or _in_use[id] == 0:
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push_warning("DamageContextPool.release: 无效或重复归还 ID=%d" % id)
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return
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_in_use[id] = 0
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_free_ids.append(id)
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func get_pool_usage() -> String:
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var used: int = 0
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for i in _in_use.size():
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if _in_use[i] != 0:
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used += 1
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return "%d / %d" % [used, _slots.size()]
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func reset() -> void:
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_free_ids.clear()
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for i in _slots.size():
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_in_use[i] = 0
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_free_ids.append(i)
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