forked from mtcontrib/minetest_hudbars
418 lines
12 KiB
Lua
418 lines
12 KiB
Lua
hb = {}
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-- HUD statbar values
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hb.health = {}
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hb.air = {}
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hb.hudtables = {}
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-- number of registered HUD bars
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hb.hudbars_count = 0
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-- HUD item ids
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local health_hud = {}
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local health_hud_text = {}
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local health_hud_icon = {}
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local health_hud_bg = {}
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local air_hud = {}
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local air_hud_text = {}
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local air_hud_icon = {}
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local air_hud_bg = {}
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-- default settings
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HUD_SCALEABLE = false
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HUD_BARLENGTH = 160
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-- statbar positions
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HUD_HEALTH_POS = {x=0.5,y=0.9}
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HUD_HEALTH_OFFSET = {x=-175, y=2}
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HUD_AIR_POS = {x=0.5,y=0.9}
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HUD_AIR_OFFSET = {x=15,y=2}
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-- dirty way to check for new statbars
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if dump(minetest.hud_replace_builtin) ~= "nil" then
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HUD_SCALEABLE = true
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HUD_HEALTH_POS = {x=0.5,y=1}
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HUD_HEALTH_OFFSET = {x=-175, y=-70}
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HUD_AIR_POS = {x=0.5,y=1}
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HUD_AIR_OFFSET = {x=15,y=-70}
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end
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HUD_CUSTOM_POS_LEFT = HUD_HEALTH_POS
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HUD_CUSTOM_POS_RIGHT = HUD_AIR_POS
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HUD_CUSTOM_VMARGIN = 24
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if minetest.setting_getbool("enable_damage") then
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HUD_CUSTOM_START_OFFSET_LEFT = {x=HUD_HEALTH_OFFSET.x, y=HUD_HEALTH_OFFSET.y - HUD_CUSTOM_VMARGIN}
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HUD_CUSTOM_START_OFFSET_RIGHT = {x=HUD_AIR_OFFSET.x, y=HUD_AIR_OFFSET.y - HUD_CUSTOM_VMARGIN}
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else
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HUD_CUSTOM_START_OFFSET_LEFT = {x=HUD_HEALTH_OFFSET.x, y=HUD_HEALTH_OFFSET.y }
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HUD_CUSTOM_START_OFFSET_RIGHT = {x=HUD_AIR_OFFSET.x, y=HUD_AIR_OFFSET.y }
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end
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HUD_TICK = 0.1
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function hb.value_to_barlength(value, max)
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if max == 0 then
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return 0
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else
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return math.ceil((value/max) * HUD_BARLENGTH)
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end
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end
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function hb.get_hudtable(identifier)
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return hb.hudtables[identifier]
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end
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function hb.register_hudbar(identifier, text_color, label, textures, default_start_value, default_start_max, start_hide, format_string)
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local hudtable = {}
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local pos, offset
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if hb.hudbars_count % 2 == 0 then
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pos = HUD_CUSTOM_POS_LEFT
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offset = {
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x = HUD_CUSTOM_START_OFFSET_LEFT.x,
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y = HUD_CUSTOM_START_OFFSET_LEFT.y - HUD_CUSTOM_VMARGIN * math.floor(hb.hudbars_count/2)
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}
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else
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pos = HUD_CUSTOM_POS_RIGHT
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offset = {
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x = HUD_CUSTOM_START_OFFSET_RIGHT.x,
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y = HUD_CUSTOM_START_OFFSET_RIGHT.y - HUD_CUSTOM_VMARGIN * math.floor((hb.hudbars_count-1)/2)
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}
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end
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if format_string == nil then
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format_string = "%s: %d/%d"
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end
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hudtable.add_all = function(player, start_value, start_max)
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if start_value == nil then start_value = default_start_value end
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if start_max == nil then start_max = default_start_max end
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local ids = {}
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local state = {}
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local name = player:get_player_name()
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local bgscale
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if start_max == 0 then
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bgscale = { x=0, y=0 }
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else
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bgscale = { x=1, y=1 }
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end
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ids.bg = player:hud_add({
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hud_elem_type = "image",
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position = pos,
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scale = bgscale,
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text = "hudbars_bar_background.png",
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alignment = {x=1,y=1},
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offset = { x = offset.x - 1, y = offset.y - 1 },
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})
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if textures.icon ~= nil then
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ids.icon = player:hud_add({
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hud_elem_type = "image",
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position = pos,
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scale = { x = 1, y = 1 },
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text = textures.icon,
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alignment = {x=-1,y=1},
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offset = { x = offset.x - 3, y = offset.y },
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})
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end
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ids.bar = player:hud_add({
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hud_elem_type = "statbar",
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position = pos,
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text = textures.bar,
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number = hb.value_to_barlength(start_value, start_max),
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alignment = {x=-1,y=-1},
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offset = offset,
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})
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local text = string.format(format_string, label, start_value, start_max)
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ids.text = player:hud_add({
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hud_elem_type = "text",
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position = pos,
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text = text,
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alignment = {x=1,y=1},
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number = text_color,
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direction = 0,
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offset = { x = offset.x + 2, y = offset.y },
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})
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state.hidden = start_hide
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state.value = start_value
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state.max = start_max
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state.text = text
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state.barlength = hb.value_to_barlength(start_value, start_max)
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hb.hudtables[identifier].hudids[name] = ids
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hb.hudtables[identifier].hudstate[name] = state
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end
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hudtable.identifier = identifier
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hudtable.format_string = format_string
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hudtable.label = label
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hudtable.hudids = {}
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hudtable.hudstate = {}
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hb.hudbars_count= hb.hudbars_count + 1
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hb.hudtables[identifier] = hudtable
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end
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function hb.init_hudbar(player, identifier, start_value, start_max)
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hb.hudtables[identifier].add_all(player, start_value, start_max)
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end
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function hb.change_hudbar(player, identifier, new_value, new_max_value)
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if new_value == nil and new_max_value == nil then
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return
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end
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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local value_changed, max_changed = false, false
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if new_value ~= nil then
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if new_value ~= hudtable.hudstate[name].value then
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hudtable.hudstate[name].value = new_value
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value_changed = true
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end
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else
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new_value = hudtable.hudstate[name].value
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end
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if new_max_value ~= nil then
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if new_max_value ~= hudtable.hudstate[name].max then
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hudtable.hudstate[name].max = new_max_value
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max_changed = true
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end
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else
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new_max_value = hudtable.hudstate[name].max
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end
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if hudtable.hudstate[name].hidden == false then
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if max_changed then
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if hudtable.hudstate[name].max == 0 then
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
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else
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
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end
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end
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if value_changed or max_changed then
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local new_barlength = hb.value_to_barlength(new_value, new_max_value)
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if new_barlength ~= hudtable.hudstate[name].barlength then
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player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(new_value, new_max_value))
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hudtable.hudstate[name].barlength = new_barlength
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end
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local new_text = string.format(hudtable.format_string, hudtable.label, new_value, new_max_value)
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if new_text ~= hudtable.hudstate[name].text then
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player:hud_change(hudtable.hudids[name].text, "text", new_text)
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hudtable.hudstate[name].text = new_text
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end
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end
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end
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end
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function hb.hide_hudbar(player, identifier)
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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if(hudtable.hudstate[name].hidden == false) then
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player:hud_change(hudtable.hudids[name].icon, "scale", {x=0,y=0})
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
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player:hud_change(hudtable.hudids[name].bar, "number", 0)
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player:hud_change(hudtable.hudids[name].text, "text", "")
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hudtable.hudstate[name].hidden = true
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end
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end
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function hb.unhide_hudbar(player, identifier)
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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if(hudtable.hudstate[name].hidden) then
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local name = player:get_player_name()
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local value = hudtable.hudstate[name].value
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local max = hudtable.hudstate[name].max
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player:hud_change(hudtable.hudids[name].icon, "scale", {x=1,y=1})
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if hudtable.hudstate[name].max ~= 0 then
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
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end
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player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(value, max))
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player:hud_change(hudtable.hudids[name].text, "text", tostring(string.format(hudtable.format_string, hudtable.label, value, max)))
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hudtable.hudstate[name].hidden = false
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end
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end
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--load custom settings
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local set = io.open(minetest.get_modpath("hudbars").."/hudbars.conf", "r")
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if set then
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dofile(minetest.get_modpath("hudbars").."/hudbars.conf")
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set:close()
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end
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local function hide_builtin(player)
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player:hud_set_flags({crosshair = true, hotbar = true, healthbar = false, wielditem = true, breathbar = false})
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end
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local function custom_hud(player)
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local name = player:get_player_name()
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if minetest.setting_getbool("enable_damage") then
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--health
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health_hud_icon[name] = player:hud_add({
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hud_elem_type = "image",
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position = HUD_HEALTH_POS,
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scale = { x = 1, y = 1 },
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text = "hudbars_icon_health.png",
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alignment = {x=-1,y=1},
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offset = { x = HUD_HEALTH_OFFSET.x - 3, y = HUD_HEALTH_OFFSET.y },
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})
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health_hud_bg[name] = player:hud_add({
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hud_elem_type = "image",
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position = HUD_HEALTH_POS,
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scale = { x = 1, y = 1 },
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text = "hudbars_bar_background.png",
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alignment = {x=1,y=1},
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offset = { x = HUD_HEALTH_OFFSET.x - 1, y = HUD_HEALTH_OFFSET.y - 1 },
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})
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health_hud[name] = player:hud_add({
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hud_elem_type = "statbar",
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position = HUD_HEALTH_POS,
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text = "hudbars_bar_health.png",
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number = hb.value_to_barlength(player:get_hp(), 20),
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alignment = {x=-1,y=-1},
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offset = HUD_HEALTH_OFFSET,
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})
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health_hud_text[name] = player:hud_add({
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hud_elem_type = "text",
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position = HUD_HEALTH_POS,
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text = tostring(string.format("Health: %d/%d", player:get_hp(), 20)),
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alignment = {x=1,y=1},
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number = 0xFFFFFF,
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direction = 0,
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offset = { x = HUD_HEALTH_OFFSET.x + 2, y = HUD_HEALTH_OFFSET.y },
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})
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--air
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local airnumber, airtext, airscale
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local air = player:get_breath()
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if air == 11 then
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airnumber = 0
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airtext = ""
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airscale = {x=0, y=0}
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else
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airnumber = hb.value_to_barlength(math.min(air, 10), 10)
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airtext = tostring(string.format("Breath: %d/%d", math.min(air, 10), 10))
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airscale = {x=1, y=1}
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end
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air_hud_icon[name] = player:hud_add({
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hud_elem_type = "image",
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position = HUD_AIR_POS,
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scale = airscale,
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text = "hudbars_icon_breath.png",
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alignment = {x=-1,y=1},
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offset = { x = HUD_AIR_OFFSET.x - 3, y = HUD_AIR_OFFSET.y },
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})
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air_hud_bg[name] = player:hud_add({
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hud_elem_type = "image",
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position = HUD_AIR_POS,
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scale = airscale,
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text = "hudbars_bar_background.png",
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alignment = {x=1,y=1},
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offset = { x = HUD_AIR_OFFSET.x - 1, y = HUD_AIR_OFFSET.y - 1 },
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})
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air_hud[name] = player:hud_add({
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hud_elem_type = "statbar",
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position = HUD_AIR_POS,
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text = "hudbars_bar_breath.png",
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number = airnumber,
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alignment = {x=-1,y=-1},
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offset = HUD_AIR_OFFSET,
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})
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air_hud_text[name] = player:hud_add({
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hud_elem_type = "text",
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position = HUD_AIR_POS,
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text = airtext,
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alignment = {x=1,y=1},
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number = 0xFFFFFF,
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direction = 0,
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offset = { x = HUD_AIR_OFFSET.x + 2, y = HUD_AIR_OFFSET.y },
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})
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end
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end
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-- update hud elemtens if value has changed
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local function update_hud(player)
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local name = player:get_player_name()
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--air
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local air = tonumber(hb.air[name])
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if player:get_breath() ~= air then
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air = player:get_breath()
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hb.air[name] = air
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local airnumber, airtext, airscale
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if air == 11 then
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airnumber = 0
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airtext = ""
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airscale = {x=0, y=0}
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else
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airnumber = hb.value_to_barlength(math.min(air, 10), 10)
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airtext = tostring(string.format("Breath: %d/%d", math.min(player:get_breath(), 10), 10))
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airscale = {x=1, y=1}
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end
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player:hud_change(air_hud[name], "number", airnumber)
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player:hud_change(air_hud_text[name], "text", airtext)
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player:hud_change(air_hud_icon[name], "scale", airscale)
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player:hud_change(air_hud_bg[name], "scale", airscale)
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end
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--health
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local hp = tonumber(hb.health[name])
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if player:get_hp() ~= hp then
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hp = player:get_hp()
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hb.health[name] = hp
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player:hud_change(health_hud[name], "number", hb.value_to_barlength(hp, 20))
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player:hud_change(health_hud_text[name], "text",
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tostring(string.format("Health: %d/%d", hp, 20))
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)
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end
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end
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minetest.register_on_joinplayer(function(player)
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local name = player:get_player_name()
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local inv = player:get_inventory()
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hb.health[name] = player:get_hp()
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local air = player:get_breath()
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hb.air[name] = air
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minetest.after(0.5, function()
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hide_builtin(player)
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custom_hud(player)
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end)
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end)
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local main_timer = 0
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local timer = 0
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local timer2 = 0
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minetest.after(2.5, function()
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minetest.register_globalstep(function(dtime)
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main_timer = main_timer + dtime
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timer = timer + dtime
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timer2 = timer2 + dtime
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if main_timer > HUD_TICK or timer > 4 then
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if main_timer > HUD_TICK then main_timer = 0 end
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for _,player in ipairs(minetest.get_connected_players()) do
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local name = player:get_player_name()
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-- only proceed if damage is enabled
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if minetest.setting_getbool("enable_damage") then
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local hp = player:get_hp()
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-- update all hud elements
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update_hud(player)
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end
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end
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end
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if timer > 4 then timer = 0 end
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end)
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end)
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