new teletransportation orb (throw it)

farorb/depends.txt

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+default

farorb/init.lua

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+--------------------------------------------------------------------------------
+--	Magic Teleporting Ball
+--	(c)2012 Fernando Zapata (ZLovesPancakes, Franz.ZPT)
+--------------------------------------------------------------------------------
+
+local V = 18
+local G = 9
+
+local throw_orb = function( itemstack, user, pointed )
+
+	if itemstack:take_item() ~= nil then
+		local dir = user:get_look_dir()
+		local pos = user:getpos()
+		local obj = minetest.env:add_entity( {
+			x = pos.x,
+			y = pos.y + 1.5,
+			z = pos.z
+		}, 'farorb:farorb_ent' )
+		obj:get_luaentity().launcher = user or nil
+		obj:setvelocity( {
+			x = dir.x * V,
+			y = dir.y * V,
+			z = dir.z * V
+		})
+		obj:setacceleration( {
+			x = dir.x * -3,
+			y = -G,
+			z = dir.z * -3
+		})
+	end
+	return itemstack
+
+end
+
+local farorb_ent = {
+
+	physical = false,
+	textures = { 'farorb_farorb.png' },
+	collisionbox = { 0, 0, 0, 0, 0, 0 },
+	launcher = nil,
+	timer = 0
+
+}
+
+--farorb_ent.on_activate = function( self, static )
+--
+--	if self.launcher ~= nil then
+--		minetest.chat_send_all( self.launcher )
+--	else
+--		minetest.chat_send_all( 'launcher is nil?' )
+--	end
+--
+--end
+
+farorb_ent.on_step = function( self, dtime )
+
+	if self.launcher == nil then self.object:remove(); return end
+
+	local pos = self.object:getpos()
+	local node = minetest.env:get_node(pos)
+
+	if node.name ~= 'air' then
+		pos = minetest.env:find_node_near( pos, 1, 'air' )
+		if pos == nil then
+			minetest.chat_send_player(
+				self.launcher:get_player_name(),
+				"can't teleport, no air near location" )
+		else
+			--self.launcher:setpos( pos )
+			self.launcher:moveto( pos )
+		end
+		self.object:remove()
+	end
+
+	--minetest.env:add_node( pos, { name="fire:basic_flame" } )
+
+end
+
+minetest.register_entity( 'farorb:farorb_ent', farorb_ent )
+
+minetest.register_craftitem( 'farorb:farorb', {
+	description = 'Farwalk Orb',
+	inventory_image = 'farorb_farorb.png',
+	on_use = throw_orb
+})
+
+minetest.register_craft({
+	output = 'farorb:farorb',
+	recipe = {
+		{ '',              'default:glass', ''              },
+		{ 'default:glass', 'default:mese',  'default:glass' },
+		{ '',              'default:glass', ''              }
+	}
+})
+
+----------------------------------------------------------- End of File --------