Refactor wrench

tools/tool.lua

@@ -53,6 +53,29 @@ function industrialtest.Tool.onPlace(self,itemstack,user,pointed)
 	return false
 end
 
+function industrialtest.Tool.onUse(self,itemstack,user,pointed)
+	if self:hitUse(itemstack,user,pointed) then
+		local meta=itemstack:get_meta()
+		if not meta:contains("industrialtest.uses") then
+			self:prepare(itemstack)
+		end
+		local uses=meta:get_int("industrialtest.uses")-1
+		if uses==0 then
+			itemstack:set_count(0)
+			minetest.sound_play({name="default_tool_breaks"},{
+				gain=1,
+				fade=0,
+				pitch=1
+			},true)
+			return true
+		end
+		meta:set_int("industrialtest.uses",uses)
+		itemstack:set_wear(65535-uses/self.uses*65535)
+		return true
+	end
+	return false
+end
+
 function industrialtest.Tool.prepare(self,itemstack)
 	local meta=itemstack:get_meta()
 	meta:set_int("industrialtest.uses",self.uses)