Merge pull request 'Fix item drop on laggy servers' (#1435) from jordan4ibanez/MineClone2-FixItemDrop:master into master

Reviewed-on: MineClone2/MineClone2#1435

mods/ENTITIES/mcl_item_entity/init.lua

@@ -1,6 +1,6 @@
 local has_awards = minetest.get_modpath("awards")
 
-mcl_item_entity = {}
+local mcl_item_entity = {}
 
 --basic settings
 local item_drop_settings                 = {} --settings table
@@ -74,7 +74,15 @@ local disable_physics = function(object, luaentity, ignore_check, reset_movement
 	end
 end
 
+--this is a 0.2 second tick globally across all players
+local item_check_ticker = 0
+
 minetest.register_globalstep(function(dtime)
+	item_check_ticker = item_check_ticker + dtime
+	if item_check_ticker >= 0.2 then
+		item_check_ticker = 0
+		print(dtime)
+
 		for _,player in pairs(minetest.get_connected_players()) do
 			if player:get_hp() > 0 or not minetest.settings:get_bool("enable_damage") then
 				local pos = player:get_pos()
@@ -89,7 +97,7 @@ minetest.register_globalstep(function(dtime)
 						if object:get_luaentity()._magnet_timer >= 0 and object:get_luaentity()._magnet_timer < item_drop_settings.magnet_time and inv and inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
 
 							-- Collection
-						if vector.distance(checkpos, object:get_pos()) <= item_drop_settings.radius_collect and not object:get_luaentity()._removed then
+							if not object:get_luaentity()._removed then
 								-- Ignore if itemstring is not set yet
 								if object:get_luaentity().itemstring ~= "" then
 									inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
@@ -101,67 +109,14 @@ minetest.register_globalstep(function(dtime)
 									check_pickup_achievements(object, player)
 
 
+									object:move_to(checkpos, false)
+
 									-- Destroy entity
 									-- This just prevents this section to be run again because object:remove() doesn't remove the item immediately.
 									object:get_luaentity()._removed = true
-								object:remove()
+
 									collected = true
 								end
-
-						-- Magnet
-						else
-
-							object:get_luaentity()._magnet_active = true
-							object:get_luaentity()._collector_timer = 0
-
-							-- Move object to player
-							disable_physics(object, object:get_luaentity())
-
-							local opos = object:get_pos()
-							local vec = vector.subtract(checkpos, opos)
-							vec = vector.add(opos, vector.divide(vec, 2))
-							object:move_to(vec)
-
-
-							--fix eternally falling items
-							minetest.after(0, function(object)
-								local lua = object:get_luaentity()
-								if lua then
-									object:set_acceleration({x=0, y=0, z=0})
-								end
-							end, object)
-
-
-							--this is a safety to prevent items flying away on laggy servers
-							if item_drop_settings.collection_safety == true then
-								if object:get_luaentity().init ~= true then
-									object:get_luaentity().init = true
-									minetest.after(1, function(args)
-										local playername = args[1]
-										local player = minetest.get_player_by_name(playername)
-										local object = args[2]
-										local lua = object:get_luaentity()
-										if player == nil or not player:is_player() or object == nil or lua == nil or lua.itemstring == nil then
-											return
-										end
-										if inv:room_for_item("main", ItemStack(object:get_luaentity().itemstring)) then
-											inv:add_item("main", ItemStack(object:get_luaentity().itemstring))
-											if not object:get_luaentity()._removed then
-												minetest.sound_play("item_drop_pickup", {
-													pos = pos,
-													max_hear_distance = 16,
-													gain = 1.0,
-												}, true)
-											end
-											check_pickup_achievements(object, player)
-											object:get_luaentity()._removed = true
-											object:remove()
-										else
-											enable_physics(object, object:get_luaentity())
-										end
-									end, {player:get_player_name(), object})
-								end
-							end
 							end
 						end
 
@@ -184,6 +139,7 @@ minetest.register_globalstep(function(dtime)
 
 			end
 		end
+	end
 end)
 
 -- Stupid workaround to get drops from a drop table:
@@ -230,12 +186,13 @@ local function get_fortune_drops(fortune_drops, fortune_level)
 	return drop or {}
 end
 
+local doTileDrops = minetest.settings:get_bool("mcl_doTileDrops", true)
+
 function minetest.handle_node_drops(pos, drops, digger)
 	-- NOTE: This function override allows digger to be nil.
 	-- This means there is no digger. This is a special case which allows this function to be called
 	-- by hand. Creative Mode is intentionally ignored in this case.
 
-	local doTileDrops = minetest.settings:get_bool("mcl_doTileDrops", true)
 	if (digger and digger:is_player() and minetest.is_creative_enabled(digger:get_player_name())) or doTileDrops == false then
 		return
 	end
@@ -401,6 +358,9 @@ minetest.register_entity(":__builtin:item", {
 	-- Number of seconds this item entity has existed so far
 	age = 0,
 
+	-- How old it has become in the collection animation
+	collection_age = 0,
+
 	set_item = function(self, itemstring)
 		self.itemstring = itemstring
 		if self.itemstring == "" then
@@ -566,6 +526,12 @@ minetest.register_entity(":__builtin:item", {
 
 	on_step = function(self, dtime)
 		if self._removed then
+			self.object:set_acceleration({x=0,y=0,z=0})
+			self.object:set_velocity({x=0,y=0,z=0})
+			self.collection_age = self.collection_age + dtime
+			if self.collection_age > 0.15 then
+				self.object:remove()
+			end
 			return
 		end
 		self.age = self.age + dtime