Merge pull request 'Reduce network activity for elytra flying rocket particles' (#3702) from optimisations_ely into master

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/3702

mods/CORE/mcl_util/init.lua

@@ -34,8 +34,10 @@ function mcl_util.mcl_log(message, module, bypass_default_logger)
 	end
 end
 
+local player_timers = {}
+
 -- This is a dtime timer than can be used in on_step functions so it works every x seconds
--- self - Object you want to store timer data on. E.g. mob or a minecart
+-- self - Object you want to store timer data on. E.g. mob or a minecart, or player_name
 -- dtime - The time since last run of on_step, should be passed in to function
 -- timer_name - This is the name of the timer and also the key to store the data. No spaces + lowercase.
 -- threshold - The time before it returns successful. 0.2 if you want to run it 5 times a second.
@@ -43,6 +45,14 @@ function mcl_util.check_dtime_timer(self, dtime, timer_name, threshold)
 	if not self or not threshold or not dtime then return end
 	if not timer_name or timer_name == "" then return end
 
+	if type(self) == "string" then
+		local player_name = self
+		if not player_timers[player_name] then
+			player_timers[player_name] = {}
+		end
+		self = player_timers[player_name]
+	end
+
 	if not self._timers then
 		self._timers = {}
 	end

mods/PLAYER/mcl_playerplus/init.lua

@@ -272,17 +272,20 @@ minetest.register_globalstep(function(dtime)
 				if vector.length(player_velocity) < 40 then
 					-- player:add_velocity(vector.multiply(player:get_look_dir(), 4))
 					speed_mult = elytra_vars.rocket_speed
-					add_particle({
-						pos = fly_pos,
-						velocity = {x = 0, y = 0, z = 0},
-						acceleration = {x = 0, y = 0, z = 0},
-						expirationtime = math.random(0.3, 0.5),
-						size = math.random(1, 2),
-						collisiondetection = false,
-						vertical = false,
-						texture = "mcl_particles_bonemeal.png^[colorize:#bc7a57:127",
-						glow = 5,
-					})
+
+					if mcl_util.check_dtime_timer(name, dtime, "ely_rocket_particle_spawn", 0.3) then
+						add_particle({
+							pos = fly_pos,
+							velocity = vector.zero(),
+							acceleration = vector.zero(),
+							expirationtime = math.random(0.3, 0.5),
+							size = math.random(1, 2),
+							collisiondetection = false,
+							vertical = false,
+							texture = "mcl_particles_bonemeal.png^[colorize:#bc7a57:127",
+							glow = 5,
+						})
+					end
 				end
 			end