Spear drops when hits the target

mods/icicles/init.lua

@@ -31,7 +31,7 @@ function icicles.make_stalactite(pos, length)
 end
 
 function icicles.make_stalagmite(pos, length)
-	for i = length,1,-1 do
+	for i = 1,length do
 		if minetest.env:get_node({x=pos.x,y=pos.y+i-1,z=pos.z}).name == "air" then
 			minetest.env:set_node({x=pos.x,y=pos.y+i-1,z=pos.z}, {name = "icicles:icicle_"..5-i})
 		else return end

mods/instruments/init.lua

@@ -74,7 +74,7 @@ instruments.list = {"pick", "axe", "shovel", "hammer", "sword", "spear", "chisel
 instruments.spear.entity = {
 	physical = false,
 	timer=0,
-	textures = {"spear_back.png"},
+	textures = {"instruments_spear_back.png"},
 	lastpos={},
 	collisionbox = {0,0,0,0,0,0},
 	material = "stone",
@@ -93,6 +93,7 @@ instruments.spear.entity.on_step = function(self, dtime)
 				if obj:get_hp()<=0 then 
 					obj:remove()
 				end
+				minetest.env:add_item(self.lastpos, 'instruments:spear_'..self.object:get_luaentity().material)
 				self.object:remove()
 			end
 		end