32 lines
1007 B
GDScript3
32 lines
1007 B
GDScript3
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extends Node
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# 事件注册表
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# { entity: [MatcherConsumer] }
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var _event_registry: Dictionary = {}
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class MatcherConsumer extends RefCounted:
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var _matcher: GameEventMatcher
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var _consumer: Callable
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func _init(matcher: GameEventMatcher, consumer: Callable) -> void:
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self._matcher = matcher
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self._consumer = consumer
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# 注册事件
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func register_event_matcher(event_matcher: GameEventMatcher, consumer: Callable) -> void:
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if !event_matcher.entity:
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return
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var matcher_consumer = MatcherConsumer.new(event_matcher, consumer)
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if event_matcher.entity not in _event_registry:
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_event_registry[event_matcher.entity] = []
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_event_registry[event_matcher.entity].append(matcher_consumer)
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# 触发事件
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func trigger_event(event: GameEvent) -> void:
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if event.entity not in _event_registry:
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return
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for matcher_consumer in _event_registry[event.entity]:
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# matcher_consumer = matcher_consumer as MatcherConsumer
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if matcher_consumer._matcher.match(event):
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matcher_consumer._consumer.call(event)
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