extends Node

## Event bus for levels in Liberation Of Neighborville

class_name LevelSignals

#region Entity

## Called for every entity that enters game
signal entity_created(entity : Entity)
## Called for every entity that exits game
signal entity_killed(context : Entity.KilledContext)
## Called for every entity that gets damage
signal entity_hp_changed(context : Entity.HPChangedContext)

#endregion

#region Seedpacket manipulation

## Called when player selects EntityResource
signal packet_selected(packet : EntityResource)

## Called when player selects EntityResource during game phase
signal packet_selected_during_game(packet : EntityResource)

## Called when something requests EntityResource to be added to hotbar collection
signal requested_packet_add

## Called when something requests EntityResource to be deleted from hotbar collection
signal requested_packet_remove

## Called when selected packets are updated
signal hotbar_packets_update(selected : Array[EntityResource])
#endregion

#region Level Running
## Called when huge wave is incoming, yet has not come
signal huge_wave_coming

## Called when huge wave has come
signal huge_wave

## Called when final wave has come
signal final_wave 

## Called when game is progressing through level stages
signal state_changed(state : LevelStates)

## Called when something requests state to advance
signal state_advance_requested
#endregion


## Possible states of level 
enum LevelStates {
	## The game is during plant pick stage
	PlantPick,
	## The game is not yet started
	Pregame,
	## Game started
	Game,
	## Game ended
	Postgame
}