Dump unused code in mcl_sprint mod

mods/PLAYER/mcl_sprint/init.lua

@@ -10,16 +10,105 @@ distributed without any warranty.
 --Configuration variables, these are all explained in README.md
 mcl_sprint = {}
 
-mcl_sprint.METHOD = 1
 mcl_sprint.SPEED = 1.3
-mcl_sprint.TIMEOUT = 0.5 --Only used if mcl_sprint.METHOD = 0
 
-if mcl_sprint.METHOD == 0 then
-	-- UNTESTED
-	dofile(minetest.get_modpath("mcl_sprint") .. "/wsprint.lua")
-elseif mcl_sprint.METHOD == 1 then
-	dofile(minetest.get_modpath("mcl_sprint") .. "/esprint.lua")
-else
-	minetest.log("error", "[mcl_sprint] mcl_sprint.METHOD is not set properly, using [E] to sprint.")
-	dofile(minetest.get_modpath("mcl_sprint") .. "/esprint.lua")
+local players = {}
+
+minetest.register_on_joinplayer(function(player)
+	local playerName = player:get_player_name()
+
+	players[playerName] = {
+		sprinting = false,
+		timeOut = 0, 
+		shouldSprint = false,
+		lastPos = player:getpos(),
+		sprintDistance = 0,
+	}
+end)
+minetest.register_on_leaveplayer(function(player)
+	local playerName = player:get_player_name()
+	players[playerName] = nil
+end)
+minetest.register_globalstep(function(dtime)
+	--Get the gametime
+	local gameTime = minetest.get_gametime()
+
+	--Loop through all connected players
+	for playerName,playerInfo in pairs(players) do
+		local player = minetest.get_player_by_name(playerName)
+		if player ~= nil then
+			--Check if the player should be sprinting
+			if player:get_player_control()["aux1"] and player:get_player_control()["up"] then
+				players[playerName]["shouldSprint"] = true
+			else
+				players[playerName]["shouldSprint"] = false
+			end
+			
+			local playerPos = player:getpos()
+			--If the player is sprinting, create particles behind and cause exhaustion
+			if playerInfo["sprinting"] == true and gameTime % 0.1 == 0 then
+
+				-- Exhaust player for sprinting
+				local lastPos = players[playerName].lastPos
+				local dist = vector.distance({x=lastPos.x, y=0, z=lastPos.z}, {x=playerPos.x, y=0, z=playerPos.z})
+				players[playerName].sprintDistance = players[playerName].sprintDistance + dist
+				if players[playerName].sprintDistance >= 1 then
+					local superficial = math.floor(players[playerName].sprintDistance)
+					mcl_hunger.exhaust(playerName, mcl_hunger.EXHAUST_SPRINT * superficial)
+					players[playerName].sprintDistance = players[playerName].sprintDistance - superficial
+				end
+
+				-- Sprint dirt particles
+				local numParticles = math.random(1, 2)
+				local playerNode = minetest.get_node({x=playerPos["x"], y=playerPos["y"]-1, z=playerPos["z"]})
+				if playerNode["name"] ~= "air" then
+					for i=1, numParticles, 1 do
+						minetest.add_particle({
+							pos = {x=playerPos["x"]+math.random(-1,1)*math.random()/2,y=playerPos["y"]+0.1,z=playerPos["z"]+math.random(-1,1)*math.random()/2},
+							vel = {x=0, y=5, z=0},
+							acc = {x=0, y=-13, z=0},
+							expirationtime = math.random(),
+							size = math.random()+0.5,
+							collisiondetection = true,
+							vertical = false,
+							texture = "default_dirt.png",
+						})
+					end
+				end
+			end
+
+			--Adjust player states
+			players[playerName].lastPos = playerPos
+			if players[playerName]["shouldSprint"] == true then --Stopped
+				local sprinting
+				-- Prevent sprinting if standing on soul sand or hungry
+				if playerplus[playerName].nod_stand == "mcl_nether:soul_sand" or (mcl_hunger and mcl_hunger.get_hunger(player) <= 6) then
+					sprinting = false
+				else
+					sprinting = true
+				end
+				setSprinting(playerName, sprinting)
+			elseif players[playerName]["shouldSprint"] == false then
+				setSprinting(playerName, false)
+			end
+			
+		end
+	end
+end)
+
+function setSprinting(playerName, sprinting) --Sets the state of a player (0=stopped/moving, 1=sprinting)
+	local player = minetest.get_player_by_name(playerName)
+	if players[playerName] then
+		players[playerName]["sprinting"] = sprinting
+		-- Don't overwrite physics when standing on soul sand
+		if playerplus[playerName].nod_stand ~= "mcl_nether:soul_sand" then
+			if sprinting == true then
+				player:set_physics_override({speed=mcl_sprint.SPEED})
+			elseif sprinting == false then
+				player:set_physics_override({speed=1.0})
+			end
+			return true
+		end
+	end
+	return false
 end