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-- cache setting
local enable_damage = core.settings:get_bool("enable_damage")
local health_bar_definition =
{
hud_elem_type = "statbar",
position = { x=0.5, y=1 },
text = "heart.png",
number = 20,
direction = 0,
size = { x=24, y=24 },
offset = { x=(-10*24)-25, y=-(48+24+16)},
}
local breath_bar_definition =
{
hud_elem_type = "statbar",
position = { x=0.5, y=1 },
text = "bubble.png",
number = 20,
direction = 0,
size = { x=24, y=24 },
offset = {x=25,y=-(48+24+16)},
}
local hud_ids = {}
local function initialize_builtin_statbars(player)
if not player:is_player() then
return
end
local name = player:get_player_name()
if name == "" then
return
end
if (hud_ids[name] == nil) 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(player:hud_get_flags())
end
if player:hud_get_flags().healthbar and enable_damage then
if hud_ids[name].id_healthbar == nil then
health_bar_definition.number = player:get_hp()
hud_ids[name].id_healthbar = player:hud_add(health_bar_definition)
end
else
if hud_ids[name].id_healthbar ~= nil then
player:hud_remove(hud_ids[name].id_healthbar)
hud_ids[name].id_healthbar = nil
end
end
if (player:get_breath() < 11) then
if player:hud_get_flags().breathbar and enable_damage then
if hud_ids[name].id_breathbar == nil then
hud_ids[name].id_breathbar = player:hud_add(breath_bar_definition)
end
else
if hud_ids[name].id_breathbar ~= nil then
player:hud_remove(hud_ids[name].id_breathbar)
hud_ids[name].id_breathbar = nil
end
end
elseif hud_ids[name].id_breathbar ~= nil then
player:hud_remove(hud_ids[name].id_breathbar)
hud_ids[name].id_breathbar = nil
end
end
local function cleanup_builtin_statbars(player)
if not player:is_player() then
return
end
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
initialize_builtin_statbars(player)
if hud_ids[name].id_healthbar ~= nil then
player:hud_change(hud_ids[name].id_healthbar,"number",player:get_hp())
return true
end
end
if eventname == "breath_changed" then
initialize_builtin_statbars(player)
if hud_ids[name].id_breathbar ~= nil then
player:hud_change(hud_ids[name].id_breathbar,"number",player:get_breath()*2)
return true
end
end
if eventname == "hud_changed" then
initialize_builtin_statbars(player)
return true
end
return false
end
function core.hud_replace_builtin(name, definition)
if definition == nil or
type(definition) ~= "table" or
definition.hud_elem_type ~= "statbar" then
return false
end
if name == "health" then
health_bar_definition = definition
for name,ids in pairs(hud_ids) do
local player = core.get_player_by_name(name)
if player and hud_ids[name].id_healthbar then
player:hud_remove(hud_ids[name].id_healthbar)
initialize_builtin_statbars(player)
end
end
return true
end
if name == "breath" then
breath_bar_definition = definition
for name,ids in pairs(hud_ids) do
local player = core.get_player_by_name(name)
if player and hud_ids[name].id_breathbar then
player:hud_remove(hud_ids[name].id_breathbar)
initialize_builtin_statbars(player)
end
end
return true
end
return false
end
core.register_on_joinplayer(initialize_builtin_statbars)
core.register_on_leaveplayer(cleanup_builtin_statbars)
core.register_playerevent(player_event_handler)
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