Useless changes

LICENSE.md

@@ -1,6 +1,6 @@
 # MIT License
 
-Copyright © 2014-2020 4aiman, Hugo Locurcio and contributors
+Copyright © 2014-2020 Hugo Locurcio and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -64,7 +64,7 @@ Gauges requires Minetest 5.0.0 or newer to work as expected.
 
 ## License
 
-Copyright © 2014-2020 4aiman, Hugo Locurcio and contributors
+Copyright © 2014-2020 Hugo Locurcio and contributors
 
 - Code is licensed under the MIT license, see
   [`LICENSE.md`](LICENSE.md) for details.

init.lua

@@ -1,64 +1,48 @@
--- gauges: Adds health/breath bars above players
---
--- Copyright © 2014-2020 4aiman, Hugo Locurcio and contributors - MIT License
--- See `LICENSE.md` included in the source distribution for details.
+if minetest.settings:get_bool("health_bars") == false
+or not minetest.settings:get_bool("enable_damage") then
+	return
+end
 
-local hp_bar = {
-	physical = false,
-	collisionbox = {x = 0, y = 0, z = 0},
+local v_dist = vector.distance
+
+minetest.register_entity("gauges:hp_bar", {
 	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,
-}
+	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,
 
-function vector.sqdist(a, b)
-	local dx = a.x - b.x
-	local dy = a.y - b.y
-	local dz = a.z - b.z
-	return dx * dx + dy * dy + dz * dz
-end
+	on_step = function(self)
+		local wielder = self.wielder and self.wielder
 
-function hp_bar:on_step(dtime)
-	local wielder = self.wielder and minetest.get_player_by_name(self.wielder)
+		if not wielder or v_dist(wielder:get_pos(), self.object:get_pos()) > 3 then
+			self.object:remove()
+			return
+		end
 
-	if
-		wielder == nil or
-		vector.sqdist(wielder:get_pos(), self.object:get_pos()) > 3
-	then
-		self.object:remove()
-		return
+		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 hp = wielder:get_hp()
-	local breath = wielder:get_breath()
+local function add_gauge(player)
+	local ent = minetest.add_entity(player:get_pos(), "gauges:hp_bar")
 
-	self.object:set_properties({
-		textures = {
-			"health_" .. tostring(hp) .. ".png^breath_" .. tostring(breath) .. ".png",
-		},
-	})
+	ent:set_attach(player, "", {x = 0, y = 19, z = 0}, {x = 0, y = 0, z = 0})
+	ent:get_luaentity().wielder = player
 end
 
-minetest.register_entity("gauges:hp_bar", hp_bar)
-
-local function add_HP_gauge(name)
-	local player = minetest.get_player_by_name(name)
-	local pos = player:get_pos()
-	local ent = minetest.add_entity(pos, "gauges:hp_bar")
-
-	if ent ~= nil then
-		ent:set_attach(player, "", {x = 0, y = 19, z = 0}, {x = 0, y = 0, z = 0})
-		ent = ent:get_luaentity()
-		ent.wielder = player:get_player_name()
-	end
-end
-
-if
-	minetest.settings:get_bool("enable_damage") and
-	minetest.settings:get_bool("health_bars") ~= false
-then
-	minetest.register_on_joinplayer(function(player)
-		minetest.after(1, add_HP_gauge, player:get_player_name())
-	end)
-end
+minetest.register_on_joinplayer(function(player)
+	minetest.after(1, add_gauge, player)
+end)