109 lines
3.1 KiB
Lua
109 lines
3.1 KiB
Lua
--
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-- Headbars mod
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-- By Kaadmy, for Pixture
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--
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headbars = {}
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local enable_damage = minetest.settings:get_bool("enable_damage")
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local enable_headbars = minetest.settings:get_bool("headbars_enable")
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if enable_headbars == nil then enable_headbars = true end
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local headbars_scale = tonumber(minetest.settings:get("headbars_scale")) or 1.0
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function headbars.get_sprite(icon, background, max, amt)
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local img = "[combine:" .. (max * 8) .. "x16:0,0=blank.png:0,0=blank.png"
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if amt < max then
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for i = 0, max / 2 do
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img = img .. "^[combine:16x16:0,0=blank.png:" .. (i * 16) .. ",0=" .. background
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end
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end
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img = img .. "^([combine:" .. (max * 8) .. "x16:0,0=blank.png:0,0=blank.png"
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for i = 0, max / 2 do
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if i < (amt - 1) / 2 then
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img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=blank.png:" .. (i * 16) .. ",0=" .. icon
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elseif i < amt / 2 then
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img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=blank.png:" .. (i * 16) .. ",0=" .. icon
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img = img .. "^[combine:" .. (max * 8) .. "x16:0,0=blank.png:" .. (i * 16) .. ",0=headbars_half.png"
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end
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end
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img = img .. "^[makealpha:255,0,255)"
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return img
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end
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minetest.register_entity(
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"headbars:hpbar",
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{
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visual = "sprite",
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visual_size = {x = 1 * headbars_scale, y = 0.1 * headbars_scale, z = 1},
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textures = {headbars.get_sprite("headbars_heart.png", "blank.png", 20, 20)},
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glow = 5,
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physical = false,
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pointable = false,
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static_save = false,
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_wielder = nil,
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on_activate = function(self, staticdata)
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self.object:set_armor_groups({immortal=1})
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local name = staticdata
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local wielder = minetest.get_player_by_name(name)
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if wielder and wielder:is_player() then
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self._wielder = wielder
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else
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minetest.log("info", "[headbars] Attempted to spawn orphan HP bar entity!")
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self.object:remove()
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return
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end
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end,
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on_step = function(self, dtime)
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local ent = self._wielder
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-- Remove orphan HP bar
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if ent == nil or (minetest.get_player_by_name(ent:get_player_name()) == nil) then
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self.object:remove()
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return
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end
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if self.object:get_attach() == nil then
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self.object:set_attach(ent, "", {x = 0, y = 19, z = 0}, {x = 0, y = 0, z = 0})
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end
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local hp = ent:get_hp()
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-- Update displayed hearts
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self.object:set_properties({textures = {headbars.get_sprite("headbars_heart.png", "headbars_heart_bg.png", 20, hp)}})
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end,
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})
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function headbars.attach_hpbar(to)
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if not enable_damage then return end
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if not enable_headbars then return end
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local pos = to:get_pos()
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local name = to:get_player_name()
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local bar = minetest.add_entity(pos, "headbars:hpbar", name)
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if bar == nil then
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minetest.log("error", "[headbars] HP bar failed to spawn!")
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return
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end
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end
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minetest.register_on_joinplayer(function(player)
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minetest.after(1, function(player)
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if player and player:is_player() then
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headbars.attach_hpbar(player)
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end
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end, player)
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end)
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default.log("mod:headbars", "loaded")
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