server-nalc/mods/throwing/teleport_arrow.lua

minetest.register_craftitem("throwing:arrow_teleport", {
	description = "Teleport Arrow",
	inventory_image = "throwing_arrow_teleport.png",
})

minetest.register_node("throwing:arrow_teleport_box", {
	drawtype = "nodebox",
	node_box = {
		type = "fixed",
		fixed = {
			-- Shaft
			{-6.5/17, -1.5/17, -1.5/17, 6.5/17, 1.5/17, 1.5/17},
			--Spitze
			{-4.5/17, 2.5/17, 2.5/17, -3.5/17, -2.5/17, -2.5/17},
			{-8.5/17, 0.5/17, 0.5/17, -6.5/17, -0.5/17, -0.5/17},
			--Federn
			{6.5/17, 1.5/17, 1.5/17, 7.5/17, 2.5/17, 2.5/17},
			{7.5/17, -2.5/17, 2.5/17, 6.5/17, -1.5/17, 1.5/17},
			{7.5/17, 2.5/17, -2.5/17, 6.5/17, 1.5/17, -1.5/17},
			{6.5/17, -1.5/17, -1.5/17, 7.5/17, -2.5/17, -2.5/17},

			{7.5/17, 2.5/17, 2.5/17, 8.5/17, 3.5/17, 3.5/17},
			{8.5/17, -3.5/17, 3.5/17, 7.5/17, -2.5/17, 2.5/17},
			{8.5/17, 3.5/17, -3.5/17, 7.5/17, 2.5/17, -2.5/17},
			{7.5/17, -2.5/17, -2.5/17, 8.5/17, -3.5/17, -3.5/17},
		}
	},
	tiles = {"throwing_arrow_teleport.png", "throwing_arrow_teleport.png", "throwing_arrow_teleport_back.png", "throwing_arrow_teleport_front.png", "throwing_arrow_teleport_2.png", "throwing_arrow_teleport.png"},
	groups = {not_in_creative_inventory=1},
})

local THROWING_ARROW_ENTITY={
	physical = false,
	visual = "wielditem",
	visual_size = {x=0.1, y=0.1},
	textures = {"throwing:arrow_teleport_box"},
	lastpos={},
	collisionbox = {0,0,0,0,0,0},
	player = "",
}

THROWING_ARROW_ENTITY.on_step = function(self, dtime)
	local newpos = self.object:getpos()
	if self.lastpos.x ~= nil then
		for _, pos in pairs(throwing_get_trajectoire(self, newpos)) do
			local node = minetest.get_node(pos)
			local objs = minetest.get_objects_inside_radius({x=pos.x,y=pos.y,z=pos.z}, 2)
			for k, obj in pairs(objs) do
				if throwing_is_player(self.player, obj) or throwing_is_entity(obj) then
					if self.player ~= "" then
						local player = minetest.get_player_by_name(self.player)
						if player then
							player:setpos(self.lastpos)
						end
					end
					self.object:remove()
					return
				end
			end

			if node.name ~= "air" then
				if self.player ~= "" then
					local player = minetest.get_player_by_name(self.player)
					if player then
						player:setpos(self.lastpos)
					end
				end
				self.object:remove()
				return
			end
			self.lastpos={x=pos.x, y=pos.y, z=pos.z}
		end
	end
	self.lastpos={x=newpos.x, y=newpos.y, z=newpos.z}
end

minetest.register_entity("throwing:arrow_teleport_entity", THROWING_ARROW_ENTITY)

minetest.register_craft({
	output = 'throwing:arrow_teleport',
	recipe = {
		{'default:stick', 'default:stick', 'default:mese_crystal_fragment'}
	}
})

minetest.register_craft({
	output = 'throwing:arrow_teleport',
	recipe = {
		{'default:mese_crystal_fragment', 'default:stick', 'default:stick'}
	}
})