Turn slowdown into setting.

init.lua

@@ -5,13 +5,13 @@ local armor_path = minetest.get_modpath("3d_armor")
 -- contains .motors loaded from mod storage
 -- runtime variables and api functions
 elevator = {
-	SPEED		= minetest.settings:get("elevator_speed") or 10,	-- Initial speed of a box.
-	ACCEL		= minetest.settings:get("elevator_accel") or 0.1,	-- Acceleration of a box.
+	SPEED		= tonumber(minetest.settings:get("elevator_speed")) or 10,	-- Initial speed of a box.
+	ACCEL		= tonumber(minetest.settings:get("elevator_accel")) or 0.1,	-- Acceleration of a box.
 	VISUAL_INCREASE = 1.75,
 	VERSION		= 8,	-- Elevator interface/database version.
-	PTIMEOUT	= minetest.settings:get("elevator_time") or 120,	-- Maximum time a box can go without players nearby.
-	SLOW_DIST = 16,
-	SLOW_SPEED = 1.75,
+	PTIMEOUT	= tonumber(minetest.settings:get("elevator_time")) or 120,	-- Maximum time a box can go without players nearby.
+	SLOW_DIST = tonumber(minetest.settings:get("elevator_slow_dist")) or 16,
+	SLOW_SPEED_FACTOR = tonumber(minetest.settings:get("elevator_slow_speed_factor")) or 0.11,
 	boxes		= {}, -- Elevator boxes in action.
 	lastboxes	= {}, -- Player near box timeout.
 	riding		= {}, -- Players riding boxes.
@@ -51,13 +51,12 @@ elevator.create_box = function(motorhash, pos, target, sender)
     obj:get_luaentity().target = target
     obj:get_luaentity().halfway = {x=pos.x, y=(pos.y+target.y)/2, z=pos.z}
     obj:get_luaentity().vmult = (target.y < pos.y) and -1 or 1
-    -- FIX for "overshooting"
-    local delta_y = math.abs(pos.y-target.y)
 
+    -- FIX for "overshooting"
+    local delta_y = math.abs(pos.y - target.y)
     local speed = elevator.SPEED
-    if (delta_y<elevator.SLOW_DIST) then
-       speed = elevator.SLOW_SPEED
-
+    if delta_y < elevator.SLOW_DIST then
+       speed = elevator.SPEED * elevator.SLOW_SPEED_FACTOR
     end
 
     -- Set the speed.
@@ -314,9 +313,9 @@ local box_entity = {
         for y=self.lastpos.y,pos.y,((self.lastpos.y > pos.y) and -0.3 or 0.3) do
             local p = vector.round({x=pos.x, y=y, z=pos.z})
             local node = get_node(p)
-				if vector.distance(p,self.target) < elevator.SLOW_DIST then
-					self.object:set_velocity({x=0, y=elevator.SLOW_SPEED*self.vmult, z=0})
-				end
+            if vector.distance(p,self.target) < elevator.SLOW_DIST then
+                self.object:set_velocity({x=0, y=elevator.SPEED*elevator.SLOW_SPEED_FACTOR*self.vmult, z=0})
+            end
 
             if node.name == "elevator:shaft" then
                 -- Nothing, just continue on our way.

settingtypes.txt

@@ -6,3 +6,9 @@ elevator_accel (Elevator acceleration) float 0.1
 
 # Maximum time a box can go without players nearby.
 elevator_time (Maximum idle time without players) int 120
+
+# When the elevator is within this number of nodes of the destination, slow down to avoid lag.
+elevator_slow_dist (Elevator slow distance) int 16
+
+# Multiplier for speed when the elevator approaches its slow target.
+elevator_slow_speed_factor (Elevator slow speed factor) float 0.11