extends Control

@onready var main = get_tree().get_root().get_node("Main")

var pain: float = 0:
	set(value):
		$PostProcessing/Damage.material.set('shader_param/Damage', value)
	get:
		return $PostProcessing/Damage.material.get('shader_param/Damage')

# Declare member variables here. Examples:
# var a = 2
# var b = "text"

# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.
	
func game_over(winner):
	scoretab(true, winner)

func damage(hp):
	print("HUD damage ", hp)
	pain += hp/20

func hide():
	$Crosshair.hide()
	$Chat.hide()

func show():
	$Crosshair.show()
	$Chat.show()

func update_scoretab():
	$ScoreTable/VBoxContainer/ScoreTab.text = ''
	
	var scores = []
		
	for i in main.player_list.players.keys():
		scores.append(main.player_list.get(i).score)
	
	scores.sort()
	scores.reverse()
	
	var done = []
	
	for i in scores:
		for j in main.player_list.players.keys():
			if main.player_list.get(j).score == i:
				if j not in done:
					$ScoreTable/VBoxContainer/ScoreTab.text += str(i) + " - " +  main.player_list.get(j).name + "\n"
					done.append(j)

func scoretab(show: bool, winner = null):
	if show:
		update_scoretab()
		$ScoreTable.show()
	else:
		$ScoreTable.hide()
	
	if winner:
		$ScoreTable/VBoxContainer/Header.text = "Match over! Player " + main.player_list.get(winner).name + " won!"
	else:
		$ScoreTable/VBoxContainer/Header.text = "Playing deathmatch until " + str(main.game_score_limit) + " kills"
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
#	if main.local_player == null: # player is dead ATM
#	print("local_player is null; PID is ", get_tree().multiplayer.get_multiplayer_unique_id(),"; respawn queue: ", main.respawn_queue)
	if not get_tree().multiplayer.has_multiplayer_peer(): # don't do anything if we're offline
		return
	
	if main.spawn_queue.has(get_tree().multiplayer.get_unique_id()):
		var countdown = main.spawn_queue[get_tree().multiplayer.get_unique_id()] - main.uptime
#		countdown = round(countdown * 10) / 10
		$RespawnCountdown.text = "RESPAWNING IN " + str("%1.2f" % countdown) + " SECONDS..."
		$RespawnCountdown.visible = true
	else:
		$RespawnCountdown.visible = false
	
	if $ScoreTable.visible: # update the scores every frame when player is watching the score table
		update_scoretab()
	
	if main.local_player:
		if not main.local_player.dead:
			pain *= 1 - delta # time heals pain, as long as you're alive