260 lines
9.9 KiB
Python
260 lines
9.9 KiB
Python
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"""
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目标选择系统
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用于选择能力和效果的作用目标
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"""
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from typing import List, Optional, TYPE_CHECKING
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from abc import ABC, abstractmethod
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if TYPE_CHECKING:
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from ..units.unit import Unit
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from ..battlefield.battlefield import Battlefield
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from ..abilities.abilities import TargetType
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from ..core.enums import LineType
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class TargetSelector:
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"""目标选择器"""
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def get_targets_by_type(self, source: 'Unit', battlefield: 'Battlefield',
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target_type: TargetType) -> List['Unit']:
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"""根据目标类型获取有效目标列表"""
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if target_type == TargetType.SELF:
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return [source]
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elif target_type == TargetType.NO_TARGET:
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return []
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elif target_type == TargetType.FRIENDLY_UNIT:
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friendly_units = battlefield.get_all_units(source.owner)
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return [unit for unit in friendly_units if unit.id != source.id]
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elif target_type == TargetType.ENEMY_UNIT:
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enemy_id = battlefield.get_enemy_player_id(source.owner)
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return battlefield.get_all_units(enemy_id) if enemy_id else []
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elif target_type == TargetType.ANY_UNIT:
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all_units = battlefield.get_all_units()
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return [unit for unit in all_units if unit.id != source.id]
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elif target_type == TargetType.ALL_FRIENDLY:
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return battlefield.get_all_units(source.owner)
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elif target_type == TargetType.ALL_ENEMY:
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enemy_id = battlefield.get_enemy_player_id(source.owner)
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return battlefield.get_all_units(enemy_id) if enemy_id else []
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elif target_type == TargetType.ADJACENT_FRIENDLY:
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return self.get_adjacent_friendly_units(source, battlefield)
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elif target_type == TargetType.FRIENDLY_HQ:
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# HQ目标需要特殊处理，这里返回空列表
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return []
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elif target_type == TargetType.ENEMY_HQ:
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# HQ目标需要特殊处理，这里返回空列表
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return []
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return []
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def get_adjacent_friendly_units(self, source: 'Unit', battlefield: 'Battlefield') -> List['Unit']:
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"""获取相邻的友方单位"""
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if not source.position:
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return []
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line_type, position = source.position
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battle_line = battlefield.get_player_line(source.owner, line_type)
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if not battle_line:
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return []
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adjacent_units = battle_line.get_adjacent_units(position)
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return [unit for unit in adjacent_units if unit.owner == source.owner]
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def get_units_in_line(self, source: 'Unit', battlefield: 'Battlefield',
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line_type: LineType, friendly: bool = True) -> List['Unit']:
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"""获取指定战线上的单位"""
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target_player = source.owner if friendly else battlefield.get_enemy_player_id(source.owner)
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if not target_player:
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return []
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battle_line = battlefield.get_player_line(target_player, line_type)
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return battle_line.get_all_units() if battle_line else []
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def get_units_with_keyword(self, source: 'Unit', battlefield: 'Battlefield',
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keyword: str, friendly: bool = True) -> List['Unit']:
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"""获取具有指定关键词的单位"""
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target_player = source.owner if friendly else battlefield.get_enemy_player_id(source.owner)
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return battlefield.get_units_with_keyword(keyword, target_player)
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def get_damaged_units(self, source: 'Unit', battlefield: 'Battlefield',
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friendly: bool = True) -> List['Unit']:
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"""获取受伤的单位"""
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target_player = source.owner if friendly else battlefield.get_enemy_player_id(source.owner)
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units = battlefield.get_all_units(target_player)
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return [unit for unit in units if unit.stats.current_defense < unit.stats.defense]
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def get_units_by_type(self, source: 'Unit', battlefield: 'Battlefield',
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unit_type, friendly: bool = True) -> List['Unit']:
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"""获取指定类型的单位"""
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target_player = source.owner if friendly else battlefield.get_enemy_player_id(source.owner)
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units = battlefield.get_all_units(target_player)
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return [unit for unit in units if unit.unit_type == unit_type]
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class TargetFilter:
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"""目标过滤器"""
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@staticmethod
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def filter_by_attack_range(units: List['Unit'], min_attack: int = 0, max_attack: int = float('inf')) -> List['Unit']:
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"""按攻击力范围过滤"""
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return [unit for unit in units if min_attack <= unit.get_effective_attack() <= max_attack]
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@staticmethod
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def filter_by_defense_range(units: List['Unit'], min_defense: int = 0, max_defense: int = float('inf')) -> List['Unit']:
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"""按防御力范围过滤"""
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return [unit for unit in units if min_defense <= unit.stats.current_defense <= max_defense]
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@staticmethod
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def filter_by_keywords(units: List['Unit'], required_keywords: List[str] = None,
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forbidden_keywords: List[str] = None) -> List['Unit']:
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"""按关键词过滤"""
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if required_keywords is None:
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required_keywords = []
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if forbidden_keywords is None:
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forbidden_keywords = []
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filtered = []
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for unit in units:
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# 检查必需关键词
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if required_keywords and not all(unit.has_keyword(kw) for kw in required_keywords):
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continue
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# 检查禁止关键词
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if forbidden_keywords and any(unit.has_keyword(kw) for kw in forbidden_keywords):
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continue
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filtered.append(unit)
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return filtered
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@staticmethod
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def filter_by_position(units: List['Unit'], line_type: LineType = None,
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positions: List[int] = None) -> List['Unit']:
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"""按位置过滤"""
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filtered = []
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for unit in units:
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if not unit.position:
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continue
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unit_line, unit_pos = unit.position
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# 检查战线类型
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if line_type is not None and unit_line != line_type:
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continue
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# 检查具体位置
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if positions is not None and unit_pos not in positions:
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continue
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filtered.append(unit)
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return filtered
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@staticmethod
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def get_random_target(units: List['Unit'], count: int = 1) -> List['Unit']:
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"""随机选择目标"""
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import random
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if count >= len(units):
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return units.copy()
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return random.sample(units, count)
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@staticmethod
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def get_highest_attack_targets(units: List['Unit'], count: int = 1) -> List['Unit']:
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"""选择攻击力最高的目标"""
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if not units:
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return []
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sorted_units = sorted(units, key=lambda u: u.get_effective_attack(), reverse=True)
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return sorted_units[:count]
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@staticmethod
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def get_lowest_defense_targets(units: List['Unit'], count: int = 1) -> List['Unit']:
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"""选择防御力最低的目标"""
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if not units:
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return []
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sorted_units = sorted(units, key=lambda u: u.stats.current_defense)
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return sorted_units[:count]
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class TargetingRule:
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"""目标选择规则"""
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def __init__(self, name: str):
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self.name = name
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def apply(self, source: 'Unit', potential_targets: List['Unit'],
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battlefield: 'Battlefield') -> List['Unit']:
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"""应用目标选择规则"""
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return potential_targets
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class SmartTargetingRule(TargetingRule):
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"""智能目标选择规则"""
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def __init__(self):
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super().__init__("SMART_TARGETING")
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def apply(self, source: 'Unit', potential_targets: List['Unit'],
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battlefield: 'Battlefield') -> List['Unit']:
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"""智能选择最优目标"""
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if not potential_targets:
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return []
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# 优先级：能一击击杀 > 攻击力高 > 防御力低
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killable_targets = [t for t in potential_targets
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if t.stats.current_defense <= source.get_effective_attack()]
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if killable_targets:
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# 在可击杀的目标中选择攻击力最高的
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return TargetFilter.get_highest_attack_targets(killable_targets, 1)
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# 选择防御力最低的目标
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return TargetFilter.get_lowest_defense_targets(potential_targets, 1)
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class RandomTargetingRule(TargetingRule):
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"""随机目标选择规则"""
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def __init__(self):
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super().__init__("RANDOM_TARGETING")
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def apply(self, source: 'Unit', potential_targets: List['Unit'],
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battlefield: 'Battlefield') -> List['Unit']:
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"""随机选择目标"""
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return TargetFilter.get_random_target(potential_targets, 1)
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class PriorityTargetingRule(TargetingRule):
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"""优先级目标选择规则"""
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def __init__(self, priority_keywords: List[str] = None):
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super().__init__("PRIORITY_TARGETING")
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self.priority_keywords = priority_keywords or []
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def apply(self, source: 'Unit', potential_targets: List['Unit'],
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battlefield: 'Battlefield') -> List['Unit']:
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"""按优先级选择目标"""
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if not potential_targets:
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return []
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# 按优先级关键词排序
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for keyword in self.priority_keywords:
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priority_targets = [t for t in potential_targets if t.has_keyword(keyword)]
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if priority_targets:
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return TargetFilter.get_highest_attack_targets(priority_targets, 1)
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# 如果没有优先级目标，选择攻击力最高的
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return TargetFilter.get_highest_attack_targets(potential_targets, 1)
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