Camas/mods/headbars/init.lua

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--
-- Headbars mod
-- By Kaadmy, for Pixture
--
headbars = {}
local enable_headbars = minetest.setting_getbool("headbars_enable")
if enable_headbars == nil then enable_headbars = true end
local headbars_scale = tonumber(minetest.setting_get("headbars_scale")) or 1
function headbars.get_sprite(icon, background, max, amt)
local img = "[combine:" .. (max * 8) .. "x16:0,0=ui_null.png:0,0=ui_null.png"
if amt < max then
for i = 0, max / 2 do
img = img .. "^[combine:16x16:0,0=ui_null.png:" .. (i * 16) .. ",0=" .. background
end
end
img = img .. "^([combine:" .. (max * 8) .. "x16:0,0=ui_null.png:0,0=ui_null.png"
for i = 0, max / 2 do
if i < (amt - 1) / 2 then
img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=ui_null.png:" .. (i * 16) .. ",0=" .. icon
elseif i < amt / 2 then
img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=ui_null.png:" .. (i * 16) .. ",0=" .. icon
img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=ui_null.png:" .. (i * 16) .. ",0=headbars_half.png"
end
end
img = img .. "^[makealpha:255,0,255)"
return img
end
minetest.register_entity(
"headbars:hpbar",
{
visual = "sprite",
visual_size = {x = 1 * headbars_scale, y = 0.1 * headbars_scale, z = 1},
textures = {headbars.get_sprite("heart.png", "ui_null.png", 20, 20)},
physical = false,
collisionbox = {0, 0, 0, 0, 0, 0},
on_step = function(self, dtime)
local ent = self.wielder
if ent == nil or (minetest.get_player_by_name(ent:get_player_name(0)) == nil) then
self.object:remove()
return
end
local hp = ent:get_hp()
if ent:is_player() then
self.object:set_properties({textures = {headbars.get_sprite("heart.png", "headbars_heart_bg.png", 20, hp)}})
else
self.object:set_properties({textures = {headbars.get_sprite("heart.png", "headbars_heart_bg.png", 20, hp)}})
end
end,
})
function headbars.attach_hpbar(to)
if not enable_headbars then return end
local pos = to:getpos()
local bar = minetest.add_entity(pos, "headbars:hpbar")
if bar == nil then return end
-- local attach_pos = {x = 0, y = 0, z = 0}
local attach_pos = {x = 0, y = 9, z = 0}
bar:set_attach(to, "", attach_pos, {x = 0, y = 0, z = 0})
bar = bar:get_luaentity()
bar.wielder = to
end
minetest.register_on_joinplayer(headbars.attach_hpbar)
default.log("mod:headbars", "loaded")