wea_wands: Add move speed adjustment tool

It alters the current player's movement speed up or down in x0.5 increments. Min = x0.5.
left/primary click: increase speed
right/secondary click: decrease speed
min speed = 0.5
documentation incoming!

worldeditadditions_farwand/edit/worldeditadditions_movement.piskel

@@ -0,0 +1 @@
+{"modelVersion":2,"piskel":{"name":"New Piskel","description":"","fps":12,"height":16,"width":16,"layers":["{\"name\":\"Layer 1\",\"opacity\":1,\"frameCount\":1,\"chunks\":[{\"layout\":[[0]],\"base64PNG\":\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABNElEQVQ4T2NkoBAwouu/eGDD//VbtzI0dM9GkWsoTf0f6O3NoO8QgCKOYQDMQJAGmCHIbHQLGZ2MNf8jC+47ex1uqIoQL1juzrvPcDF09WADlmvdZWDXFmMIWs2LYsGj+0/AfDlFGRTxdaGfGX5efcUQeU2ZAe4CmCEgCRAASSIbAJIHAZBFMM0gPthpMFeANIFMhwGTro9g5pkyfrgYyJUgw0BqQd6FGwDTCFIAY6MbgCwHYqMYALIC2RvYvIDufLgBMG8ghxTIFcguQA9gWGyhpAPkGGF30WfQdTsENvPyLjuGn3suwgMPOaox4hcWRXz5rigGfJq4GyWqUVwASxwwzSBbxRf/YkROSC9j2cCJCjm9gMMA2dmw+IWZjp4SsanFSMogW5D9iByw6MkYnpAoydEAgo7FIqjtR/0AAAAASUVORK5CYII=\"}]}"]}}

worldeditadditions_farwand/init.lua

@@ -8,5 +8,7 @@ dofile(modpath.."/lib/do_raycast.lua")
 dofile(modpath.."/lib/farwand.lua")
 dofile(modpath.."/lib/cloudwand.lua")
 dofile(modpath.."/lib/multiwand.lua")
+dofile(modpath.."/lib/movetool.lua")
+
 dofile(modpath.."/lib/chatcommand.lua")
 dofile(modpath.."/lib/settings.lua")

worldeditadditions_farwand/lib/movetool.lua

@@ -0,0 +1,46 @@
+local function adjust_speed_relative(player, offset)
+	local overrides = player:get_physics_override()
+
+	local src_speed = overrides.speed or 1
+	local src_climb_speed = overrides.climb_speed or 1
+
+	player:set_physics_override({
+		speed = math.max(src_speed + offset, 0.5),
+		climb_speed = math.max(src_climb_speed + offset, 0.5)
+	})
+
+	-- Completely paranoid is me
+	local overrides_after = player:get_physics_override()
+	worldedit.player_notify(player:get_player_name(), "Movement speed is now x" .. tostring(overrides_after.speed))
+end
+
+
+local function use_primary(player)
+	adjust_speed_relative(player, 0.5)
+end
+
+local function use_secondary(player)
+	adjust_speed_relative(player, -0.5)
+end
+
+
+minetest.register_tool(":worldeditadditions:movetool", {
+	description = "WorldEditAdditions movement speed adjustment tool",
+	inventory_image = "worldeditadditions_movement.png",
+
+
+	on_use = function(itemstack, player, pointed_thing)
+		-- Left click
+		use_primary(player)
+	end,
+
+	on_secondary_use = function(itemstack, player, pointed_thing)
+		-- Right click when pointed at nothing
+		use_secondary(player)
+	end,
+
+	on_place = function(itemstack, player, pointed_thing)
+		-- Right click when pointed at something
+		use_secondary(player)
+	end
+})