An experimental, status effects-as-entities system for Bevy.
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### Effect Modes
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For some effects it makes sense to allow stacking, so a single entity could be effected multiple times at once.
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For others, each effect should only be applied once.
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Both behaviours are supported, and can be selected using an effect's `MergeMode`. Effects are consider the same if the entities have the same name.
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For some effects it makes sense to allow stacking, so a single entity could be effected by an effect multiple times.
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Other effects should only be applied once, either replacing or merging with the previous one.
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This behaviour can be selected using an effect's `MergeMode`, which has the following cases:
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| Mode | Behaviour |
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|--------|-----------------------------------------------------------------------------------------|
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| Stack | Multiple of the same effect can exist at once. |
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| Insert | New applications will overwrite the existing one. |
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| Merge | New applications are merged with the existing one, using a configurable merge function. |
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Effects are considered the same if they have the same name.
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### Implementing Effects
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Effects can be implemented using simple systems. Below is an excerpt from the poison example.