ReadonlyactiveActive cooldowns for techniques
ReadonlyavailableAvailable techniques for player archetype
ReadonlyexecuteExecute currently selected technique
ReadonlygetGet remaining cooldown time in ms
ReadonlyhasCheck if player has sufficient resources
ReadonlyisCheck if technique is on cooldown
ReadonlyselectedCurrently selected technique index
ReadonlyselectSelect technique by index
ReadonlyvalidateCheck if technique can be executed
Technique selection state and actions.