*: avoid usage of std::[pair,tuple] https://arne-mertz.de/2017/03/smelly-pair-tuple/ it's better to use real structures and such where variables are easily known... also apparently using [] on structs is actually valid? I had no idea.

<transition source="idle" target="run">
	<event name="key_up|key_shift" />
</transition>
<transition source="run" target="attack">
	<event name="key_ctrl" />
	<condition expr="weapon != null" />
</transition>