MultiCraft/builtin/game/statbars.lua
2020-10-02 18:46:39 +02:00

114 lines
2.5 KiB
Lua

if not core.settings:get_bool("enable_damage") then
return
end
local health_bar_definition = {
hud_elem_type = "statbar",
position = {x = 0.5, y = 1},
alignment = {x = -1, y = -1},
offset = {x = -247, y = -94},
size = {x = 24, y = 24},
text = "heart.png",
background = "heart_gone.png",
number = 20
}
local breath_bar_definition = {
hud_elem_type = "statbar",
position = {x = 0.5, y = 1},
alignment = {x = -1, y = -1},
offset = {x = 8, y = -120},
size = {x = 24, y = 24},
text = "bubble.png",
number = 20
}
local hud_ids = {}
local function update_builtin_statbars(player)
local name = player:get_player_name()
if name == "" then
return
end
local flags = player:hud_get_flags()
if not hud_ids[name] then
hud_ids[name] = {}
-- flags are not transmitted to client on connect, we need to make sure
-- our current flags are transmitted by sending them actively
player:hud_set_flags(flags)
end
local hud_id = hud_ids[name]
if flags.healthbar then
hud.change_item(player, "health", {number = player:get_hp()})
end
if flags.breathbar and player:get_breath() < 11 then
local number = player:get_breath() * 2
if hud_id.id_breathbar == nil then
local hud_def = table.copy(breath_bar_definition)
hud_def.number = number
hud_id.id_breathbar = player:hud_add(hud_def)
else
player:hud_change(hud_id.id_breathbar, "number", number)
end
elseif hud_id.id_breathbar then
player:hud_remove(hud_id.id_breathbar)
hud_id.id_breathbar = nil
end
end
local function cleanup_builtin_statbars(player)
local name = player:get_player_name()
if name == "" then
return
end
hud_ids[name] = nil
end
local function player_event_handler(player, eventname)
assert(player:is_player())
local name = player:get_player_name()
if name == "" then
return
end
if eventname == "health_changed" then
update_builtin_statbars(player)
if hud_ids[name].id_healthbar then
return true
end
end
if eventname == "breath_changed" then
update_builtin_statbars(player)
if hud_ids[name].id_breathbar then
return true
end
end
if eventname == "hud_changed" then
update_builtin_statbars(player)
return true
end
return false
end
hud.register("health", health_bar_definition)
core.register_on_joinplayer(function(player)
core.after(0, function()
update_builtin_statbars(player)
end)
end)
core.register_on_leaveplayer(cleanup_builtin_statbars)
core.register_playerevent(player_event_handler)