Initial Commit

init.lua

@@ -0,0 +1,43 @@
+-- Adds health bars above players.
+-- Code by 4aiman, textures by Calinou. Licensed under CC0.
+
+local hp_bar = {
+	physical = false,
+	collisionbox = {x = 0, y = 0, z = 0},
+	visual = "sprite",
+	textures = {"20.png"}, -- The texture is changed later in the code.
+	visual_size = {x = 1.5, y = 0.09375, z = 1.5}, -- Y value is (1 / 16) * 1.5.
+	wielder = nil,
+}
+
+function hp_bar:on_step(dtime)
+	local wielder = self.wielder
+	if wielder == nil then
+		self.object:remove()
+		 return
+	elseif minetest.env:get_player_by_name(wielder:get_player_name()) == nil then
+		self.object:remove()
+		return
+	end
+	hp = wielder:get_hp()
+	breath = wielder:get_breath()
+	self.object:set_properties({textures = {"health_" .. tostring(hp) .. ".png^breath_" .. tostring(breath) .. ".png",},}
+	)
+end
+
+minetest.register_entity("gauges:hp_bar", hp_bar)
+
+function add_HP_gauge(pl)
+		local pos = pl:getpos()
+		local ent = minetest.env:add_entity(pos, "gauges:hp_bar")
+		if ent ~= nil then
+			ent:set_attach(pl, "", {x = 0, y = 10, z = 0}, {x = 0, y = 0, z = 0})
+			ent = ent:get_luaentity()
+			ent.wielder = pl
+		end
+end
+
+if minetest.setting_getbool("health_bars") ~= false -- “If not defined or set to true then”
+and minetest.setting_getbool("enable_damage") then -- Health bars only display when damage is enabled.
+	minetest.register_on_joinplayer(add_HP_gauge)
+end