Add CSM sprinting with double tap forward

minetest.conf

@@ -33,3 +33,8 @@ mgvalleys_spflags = noaltitude_chill,noaltitude_dry,nohumid_rivers,vary_river_de
 keepInventory = false
 
 dedicated_server_step = 0.001
+
+# Clientmodding to support official client
+enable_client_modding = true
+csm_restriction_flags = 0
+enable_mod_channels = true

mods/PLAYER/mcl_sprint/init.lua

@@ -31,9 +31,11 @@ minetest.register_on_joinplayer(function(player)
 		sprinting = false,
 		timeOut = 0,
 		shouldSprint = false,
+		clientSprint = false,
 		lastPos = player:get_pos(),
 		sprintDistance = 0,
-		fov = 1.0
+		fov = 1.0,
+		channel = minetest.mod_channel_join("mcl_sprint:" .. playerName),
 	}
 end)
 minetest.register_on_leaveplayer(function(player)
@@ -41,6 +43,11 @@ minetest.register_on_leaveplayer(function(player)
 	players[playerName] = nil
 end)
 
+local function cancelClientSprinting(name)
+	players[name].channel:send_all("")
+	players[name].clientSprint = false
+end
+
 local 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
@@ -97,6 +104,16 @@ local function get_top_node_tile(param2, paramtype2)
 	end
 end
 
+minetest.register_on_modchannel_message(function(channel_name, sender, message)
+	if channel_name == "mcl_sprint:" .. sender then
+		players[sender].clientSprint = minetest.is_yes(message)
+	end
+end)
+
+minetest.register_on_respawnplayer(function(player)
+	cancelClientSprinting(player:get_player_name())
+end)
+
 minetest.register_globalstep(function(dtime)
 	--Get the gametime
 	local gameTime = minetest.get_gametime()
@@ -107,7 +124,7 @@ minetest.register_globalstep(function(dtime)
 		if player ~= nil then
 			local ctrl = player:get_player_control()
 			--Check if the player should be sprinting
-			if ctrl.aux1 and ctrl.up and not ctrl.sneak then
+			if players[playerName]["clientSprint"] or ctrl.aux1 and ctrl.up and not ctrl.sneak then
 				players[playerName]["shouldSprint"] = true
 			else
 				players[playerName]["shouldSprint"] = false
@@ -160,6 +177,7 @@ minetest.register_globalstep(function(dtime)
 				-- Prevent sprinting if hungry or sleeping
 				if (mcl_hunger.active and mcl_hunger.get_hunger(player) <= 6) or (player:get_meta():get_string("mcl_beds:sleeping") == "true") then
 					sprinting = false
+					cancelClientSprinting(playerName)
 				else
 					sprinting = true
 				end