VoxeLibre/mods/HUD/mcl_bossbars/init.lua

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mcl_bossbars = {
bars = {},
huds = {},
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static = {},
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colors = {"light_purple", "blue", "red", "green", "yellow", "dark_purple", "white"},
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max_bars = tonumber(minetest.settings:get("max_bossbars")) or 4
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}
function mcl_bossbars.recalculate_colors()
local sorted = {}
local colors = mcl_bossbars.colors
local color_count = #colors
local frame_count = color_count * 2
for i, color in ipairs(colors) do
local idx = i * 2 - 1
local image = "mcl_bossbars.png"
.. "^[transformR270"
.. "^[verticalframe:" .. frame_count .. ":" .. (idx - 1)
.. "^(mcl_bossbars_empty.png"
.. "^[lowpart:%d:mcl_bossbars.png"
.. "^[transformR270"
.. "^[verticalframe:" .. frame_count .. ":" .. idx .. ")"
local _, hex = mcl_util.get_color(color)
sorted[color] = {
image = image,
hex = hex,
}
end
mcl_bossbars.colors_sorted = sorted
end
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local function get_color_info(color, percentage)
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local cdef = mcl_bossbars.colors_sorted[color]
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return cdef.hex, string.format(cdef.image, percentage)
end
local last_id = 0
function mcl_bossbars.add_bar(player, def)
local name = player:get_player_name()
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local bars = mcl_bossbars.bars[name]
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local bar = {text = def.text}
bar.color, bar.image = get_color_info(def.color, def.percentage)
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if def.dynamic then
for _, other in pairs(bars) do
if not other.id and other.color == bar.color and (other.original_text or other.text) == bar.text and other.image == bar.image then
if not other.count then
other.count = 1
other.original_text = other.text
end
other.count = other.count + 1
other.text = other.original_text .. " x" .. other.count
return
end
end
end
table.insert(bars, bar)
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if not def.dynamic then
bar.raw_color = def.color
bar.id = last_id + 1
last_id = bar.id
mcl_bossbars.static[bar.id] = bar
return id
end
end
function mcl_bossbars.remove_bar(id)
mcl_bossbars.static[id].bar.static = false
mcl_bossbars.static[id] = nil
end
function mcl_bossbars.update_bar(id, def)
local old = mcl_bossbars.static[id]
old.color = get_color_info(def.color or old.raw_color, def.percentage or old.percentage)
old.text = def.text or old.text
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end
function mcl_bossbars.update_boss(luaentity, name, color)
local object = luaentity.object
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local bardef = {
text = luaentity.nametag,
percentage = math.floor(luaentity.health / luaentity.hp_max * 100),
color = color,
dynamic = true,
}
if not bardef.text or bardef.text == "" then
bardef.text = name
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end
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local pos = object:get_pos()
for _, player in pairs(minetest.get_connected_players()) do
if vector.distance(pos, player:get_pos()) <= 80 then
mcl_bossbars.add_bar(player, bardef)
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end
end
end
minetest.register_on_joinplayer(function(player)
local name = player:get_player_name()
mcl_bossbars.huds[name] = {}
mcl_bossbars.bars[name] = {}
end)
minetest.register_on_leaveplayer(function(player)
local name = player:get_player_name()
mcl_bossbars.huds[name] = nil
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for _, bar in pairs(mcl_bossbars.bars[name]) do
if bar.id then
mcl_bossbars.static[bar.id] = nil
end
end
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mcl_bossbars.bars[name] = nil
end)
minetest.register_globalstep(function()
for _, player in pairs(minetest.get_connected_players()) do
local name = player:get_player_name()
local bars = mcl_bossbars.bars[name]
local huds = mcl_bossbars.huds[name]
local huds_new = {}
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local bars_new = {}
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local i = 0
while #huds > 0 or #bars > 0 do
local bar = table.remove(bars, 1)
local hud = table.remove(huds, 1)
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if bar and bar.id then
table.insert(bars_new, bar)
end
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if bar and not hud then
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if i < mcl_bossbars.max_bars then
hud = {
color = bar.color,
image = bar.image,
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text = bar.text,
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text_id = player:hud_add({
hud_elem_type = "text",
text = bar.text,
number = bar.color,
position = {x = 0.5, y = 0},
alignment = {x = 0, y = 1},
offset = {x = 0, y = i * 40},
}),
image_id = player:hud_add({
hud_elem_type = "image",
text = bar.image,
position = {x = 0.5, y = 0},
alignment = {x = 0, y = 1},
offset = {x = 0, y = i * 40 + 25},
scale = {x = 3, y = 3},
}),
}
end
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elseif hud and not bar then
player:hud_remove(hud.text_id)
player:hud_remove(hud.image_id)
hud = nil
else
if bar.text ~= hud.text then
player:hud_change(hud.text_id, "text", bar.text)
hud.text = bar.text
end
if bar.color ~= hud.color then
player:hud_change(hud.text_id, "number", bar.color)
hud.color = bar.color
end
if bar.image ~= hud.image then
player:hud_change(hud.image_id, "text", bar.image)
hud.image = bar.image
end
end
table.insert(huds_new, hud)
i = i + 1
end
mcl_bossbars.huds[name] = huds_new
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mcl_bossbars.bars[name] = bars_new
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end
end)
mcl_bossbars.recalculate_colors()