Files
gauges/init.lua
2020-01-01 13:52:40 +01:00

49 lines
1.3 KiB
Lua

if minetest.settings:get_bool("health_bars") == false
or not minetest.settings:get_bool("enable_damage") then
return
end
local v_dist = vector.distance
minetest.register_entity("gauges:hp_bar", {
visual = "sprite",
visual_size = {x = 1, y = 0.0625, z = 1}, -- Y value is (1 / 16) * 1
textures = {"blank.png"}, -- The texture is changed later in the code
collisionbox = {0},
physical = false,
on_step = function(self)
local wielder = self.wielder and self.wielder
if not wielder or v_dist(wielder:get_pos(), self.object:get_pos()) > 3 then
self.object:remove()
return
end
local hp = wielder:get_hp() <= 20 and wielder:get_hp() or 20
local breath = wielder:get_breath() <= 10 and wielder:get_breath() or 11
if self.hp ~= hp or self.breath ~= breath then
self.object:set_properties({
textures = {
"health_" .. tostring(hp) .. ".png^" ..
"breath_" .. tostring(breath) .. ".png"
}
})
self.hp = hp
self.breath = breath
end
end
})
local function add_gauge(player)
local ent = minetest.add_entity(player:get_pos(), "gauges:hp_bar")
ent:set_attach(player, "", {x = 0, y = 19, z = 0}, {x = 0, y = 0, z = 0})
ent:get_luaentity().wielder = player
end
minetest.register_on_joinplayer(function(player)
minetest.after(1, add_gauge, player)
end)