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78 lines
2.5 KiB
GDScript
78 lines
2.5 KiB
GDScript
extends Control
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@onready var weapon_scene = preload("res://scene/ui/item/weapon_item.tscn")
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var item_layout_offset_x : int = 32
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var item_layout_offset_y : int = 16
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var weapon_item_list = []
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var weapon_list : Array
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var weapon_index : int
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var weapon_index_dir : int
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var weapon_index_rate : float
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var hide_duration : float
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func _process(delta):
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if not visible:
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return
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if weapon_index_dir:
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item_lerp(weapon_index_dir,weapon_index_rate)
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hide_duration = Setting.weapon_hide_duration
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return
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item_lerp(weapon_index_dir,1)
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hide_duration -= delta
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if hide_duration <= 0:
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for item in weapon_item_list:
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remove_child(item)
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weapon_item_list.clear()
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visible = false
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func on_weapon_list_changed(list:Array):weapon_list = list
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func on_weapon_index_changed(index:int):weapon_index = index
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func on_weapon_index_change_rate_changed(rate:float):weapon_index_rate = rate
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func on_weapon_index_change_dir_changed(dir:int):
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weapon_index_dir = dir
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if not weapon_index_dir:
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return
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if not visible:
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visible = true
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for i in range(5):append()
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else:
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if dir > 0:
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push_back()
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pop_front()
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else:
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push_front()
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pop_back()
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hide_duration = Setting.weapon_hide_duration
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func append():weapon_item_list.append(create_weapon_item(len(weapon_item_list)-2+weapon_index_dir))
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func push_front():weapon_item_list.push_front(create_weapon_item(-2+weapon_index_dir))
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func push_back():weapon_item_list.push_back(create_weapon_item(2+weapon_index_dir))
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func pop_front():remove_child(weapon_item_list.pop_front())
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func pop_back():remove_child(weapon_item_list.pop_back())
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func create_weapon_item(offset:int)->WeaponItemSub:
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var weapon_count = len(weapon_list)
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var index = ((weapon_index + offset) % weapon_count + weapon_count) % weapon_count
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var weapon_item_sub = weapon_scene.instantiate() as WeaponItemSub
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var weapon_cfg = weapon_list[index] as WeaponCfg
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add_child(weapon_item_sub)
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weapon_item_sub.init(weapon_cfg.icon)
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return weapon_item_sub
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func item_lerp(dir:int,rate:float):
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for i in range(len(weapon_item_list)):
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var item = weapon_item_list[i] as WeaponItemSub
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var target_index = i-2
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var index = target_index+dir
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var pos_from = get_item_pos(index)
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var pos_to = get_item_pos(target_index)
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var alpha_from = 1 if abs(index)<=1 else 0
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var alpha_to = 1 if abs(target_index)<=1 else 0
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item.position = lerp(pos_from,pos_to,rate)
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item.update_alpha(alpha_from,alpha_to,rate)
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func get_item_pos(offset:int):
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return Vector2(item_layout_offset_x*offset,item_layout_offset_y if offset else 0)
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