# This file is part of open-fpsz.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
extends OptionButton

func _ready() -> void:
	select(Settings.get_value("video", "msaa"))

func _on_item_selected(index: int) -> void:
	Settings.set_value("video", "msaa", index)
	# Multi-sample anti-aliasing. High quality, but slow. It also does not smooth out the edges of
	# transparent (alpha scissor) textures.
	if index == 0: # Disabled (default)
		get_viewport().msaa_3d = Viewport.MSAA_DISABLED
	elif index == 1: # 2×
		get_viewport().msaa_3d = Viewport.MSAA_2X
	elif index == 2: # 4×
		get_viewport().msaa_3d = Viewport.MSAA_4X
	elif index == 3: # 8×
		get_viewport().msaa_3d = Viewport.MSAA_8X