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