punch api update: basic crash fix

arrow.lua

@@ -13,7 +13,7 @@ bows.is_in_entity=function(self,ob)
 end
 
 bows.on_hit_object=function(self,target,hp,user,lastpos)
-	target:punch(user, 2,{full_punch_interval=1.0,damage_groups={fleshy=hp}}, "default:sword_wood", nil)
+	target:punch(user, 2,{full_punch_interval=1.0,damage_groups={fleshy=hp}}, nil)
 	if target:get_hp()>0 then
 		local pos=self.object:getpos()
 		local opos=target:getpos()
@@ -54,9 +54,9 @@ end
 
 bows.arrow_remove=function(self)
 	if self.object:get_attach() then self.object:set_detach() end
-	if self.target then self.target:punch(self.object, {full_punch_interval=1,damage_groups={fleshy=4}}, "default:bronze_pick", nil) end
+	if self.target then self.target:punch(self.object, 1.0, {full_punch_interval=1,damage_groups={fleshy=4}}, nil) end
 	self.object:set_hp(0)
-	self.object:punch(self.object, {full_punch_interval=1.0,damage_groups={fleshy=4}}, "bows:bow_wood", nil)
+	self.object:punch(self.object, 1.0, {full_punch_interval=1.0,damage_groups={fleshy=4}}, nil)
     return self
 end
 

items_functions.lua

@@ -20,7 +20,7 @@ bows.arrow_toxic=function(self,target,hp,user,lastpos)
 		bows.arrow_remove(self)
 		return self
 	end
-	target:punch(user, 3,{full_punch_interval=1.0,damage_groups={fleshy=4}}, "default:sword_wood", nil)
+	target:punch(user, 3,{full_punch_interval=1.0,damage_groups={fleshy=4}}, nil)
 	local rnd=math.random(1,10)
 	if rnd~=4 and  target:get_hp()>0 then
 		minetest.after(math.random(0.5,2), function(self,target,hp,user,lastpos)
@@ -88,4 +88,4 @@ bows.arrow_rainbow_step=function(self,dtime,user,pos,lastpos)
 			maxsize = 9,
 			texture = "bows_rainbow.png",
 		})
-	end
\ No newline at end of file
+	end