ile-de-test/addons/zylann.hterrain/tools/texture_editor/texture_editor.gd

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3.6 KiB
GDScript3
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2023-10-05 18:02:23 +00:00
@tool
extends Control
const HTerrain = preload("../../hterrain.gd")
const HTerrainTextureSet = preload("../../hterrain_texture_set.gd")
const HT_TextureList = preload("./texture_list.gd")
const HT_Logger = preload("../../util/logger.gd")
# TODO Can't preload because it causes the plugin to fail loading if assets aren't imported
const EMPTY_ICON_TEXTURE_PATH = "res://addons/zylann.hterrain/tools/icons/empty.png"
signal texture_selected(index)
signal edit_pressed(index)
signal import_pressed
@onready var _textures_list: HT_TextureList = $TextureList
@onready var _buttons_container : HBoxContainer = $HBoxContainer
var _terrain : HTerrain = null
var _texture_set : HTerrainTextureSet = null
var _texture_list_need_update := false
var _empty_icon : Texture2D
var _logger = HT_Logger.get_for(self)
func _ready():
_empty_icon = load(EMPTY_ICON_TEXTURE_PATH)
if _empty_icon == null:
_logger.error(str("Failed to load empty icon ", EMPTY_ICON_TEXTURE_PATH))
# Default amount, will be updated when a terrain is assigned
_textures_list.clear()
for i in range(4):
_textures_list.add_item(str(i), _empty_icon)
func set_terrain(terrain: HTerrain):
_terrain = terrain
static func _get_slot_count(terrain: HTerrain) -> int:
var texture_set = terrain.get_texture_set()
if texture_set == null:
return 0
return texture_set.get_slots_count()
func _process(delta: float):
var texture_set = null
if _terrain != null:
texture_set = _terrain.get_texture_set()
if _texture_set != texture_set:
if _texture_set != null:
_texture_set.changed.disconnect(_on_texture_set_changed)
_texture_set = texture_set
if _texture_set != null:
_texture_set.changed.connect(_on_texture_set_changed)
_update_texture_list()
if _texture_list_need_update:
_update_texture_list()
_texture_list_need_update = false
func _on_texture_set_changed():
_texture_list_need_update = true
func _update_texture_list():
_textures_list.clear()
if _terrain == null:
_set_buttons_active(false)
return
var texture_set := _terrain.get_texture_set()
if texture_set == null:
_set_buttons_active(false)
return
_set_buttons_active(true)
var slots_count := texture_set.get_slots_count()
match texture_set.get_mode():
HTerrainTextureSet.MODE_TEXTURES:
for slot_index in slots_count:
var texture := texture_set.get_texture(
slot_index, HTerrainTextureSet.TYPE_ALBEDO_BUMP)
var hint := _get_slot_hint_name(slot_index, _terrain.get_shader_type())
if texture == null:
texture = _empty_icon
_textures_list.add_item(hint, texture)
HTerrainTextureSet.MODE_TEXTURE_ARRAYS:
var texture_array = texture_set.get_texture_array(HTerrainTextureSet.TYPE_ALBEDO_BUMP)
for slot_index in slots_count:
var hint := _get_slot_hint_name(slot_index, _terrain.get_shader_type())
_textures_list.add_item(hint, texture_array, slot_index)
func _set_buttons_active(active: bool):
for i in _buttons_container.get_child_count():
var child = _buttons_container.get_child(i)
if child is Button:
child.disabled = not active
static func _get_slot_hint_name(i: int, stype: String) -> String:
if i == 3 and (stype == HTerrain.SHADER_CLASSIC4 or stype == HTerrain.SHADER_CLASSIC4_LITE):
return "cliff"
return str(i)
func _on_TextureList_item_selected(index: int):
texture_selected.emit(index)
func _on_TextureList_item_activated(index: int):
edit_pressed.emit(index)
func _on_EditButton_pressed():
var selected_slot := _textures_list.get_selected_item()
if selected_slot == -1:
selected_slot = 0
edit_pressed.emit(selected_slot)
func _on_ImportButton_pressed():
import_pressed.emit()