put shears in default and made cotton harvestable

mods/default/crafting.lua

@@ -165,6 +165,15 @@ minetest.register_craft(
       }
    })
 
+minetest.register_craft(
+   {
+      output = "default:shears",
+      recipe = {
+	 {"default:ingot_steel", ""},
+	 {"group:stick", "default:ingot_steel"},
+      }
+   })
+
 -- Nodes/Items
 
 minetest.register_craft(

mods/default/craftitems.lua

@@ -122,6 +122,13 @@ minetest.register_tool(
 	       end,
    })
 
+minetest.register_tool(
+   "default:shears",
+   {
+      description = "Steel Shears (Right-click to shear)",
+      inventory_image = "default_shears.png",
+   })
+
 minetest.register_craftitem(
    "default:bucket_water",
    {

mods/farming/nodes.lua

@@ -196,6 +196,44 @@ minetest.register_node(
 	 type = "fixed",
 	 fixed = {-0.5, -0.5, -0.5, 0.5, -0.5+(4/16), 0.5}
       },
+      on_punch = function(pos, node, player)
+		    local name = player:get_wielded_item():get_name()
+
+		    if name == "default:shears" then
+		       minetest.set_node(pos, {name = "farming:cotton_3"})
+
+		       for i = 1, 2 do
+			  if math.random(1, 2) == 1 then
+			     break
+			  end
+
+			  local item = "farming:cotton"
+			  if math.random(1, 4) == 1 then
+			     item = item .. " 2"
+			  end
+
+			  local rpos = {
+			     x = pos.x + math.random(-0.3, 0.3),
+			     y = pos.y,
+			     z = pos.z + math.random(-0.3, 0.3)
+			  }
+
+			  local drop = minetest.add_item(rpos, item)
+			  
+			  if drop ~= nil then
+			     local x = math.random(1, 5)
+			     if math.random(1, 2) == 1 then
+				x = -x
+			     end
+			     local z = math.random(1, 5)
+			     if math.random(1, 2) == 1 then
+				z = -z
+			     end
+			     drop:setvelocity({x = 1 / x, y = drop:getvelocity().y, z = 1 / z})
+			  end
+		       end
+		    end
+		 end,
       groups = {dig_immediate=2, not_in_craftingguide = 1},
       sounds=default.node_sound_leaves_defaults()
    })

mods/mobs/crafts.lua

@@ -35,38 +35,21 @@ minetest.register_craft(
       cooktime = 5,
    })
 
--- shears (right click to shear animal)
-minetest.register_tool(
-   "mobs:shears",
-   {
-      description = "Steel Shears (right-click to shear)",
-      inventory_image = "mobs_shears.png",
-   })
-
-minetest.register_craft(
-   {
-      output = 'mobs:shears',
-      recipe = {
-	 {'default:ingot_steel', ''},
-	 {'group:stick', 'default:ingot_steel'},
-      }
-   })
-
 -- net (right click to capture animal)
 minetest.register_tool(
    "mobs:net",
    {
-      description = "Net (right-click to capture)",
+      description = "Net (Right-click to capture)",
       inventory_image = "mobs_net.png",
    })
 
 minetest.register_craft(
    {
-      output = 'mobs:net',
+      output = "mobs:net",
       recipe = {
-	 {'', '', 'default:fiber'},
-	 {'', 'default:fiber', 'default:fiber'},
-	 {'group:stick', '', ''},
+	 {"", "", "default:fiber"},
+	 {"", "default:fiber", "default:fiber"},
+	 {"group:stick", "", ""},
       }
    })
 
@@ -74,16 +57,16 @@ minetest.register_craft(
 minetest.register_tool(
    "mobs:lasso",
    {
-      description = "Lasso (right-click to capture)",
+      description = "Lasso (Right-click to capture)",
       inventory_image = "mobs_lasso.png",
    })
 
 minetest.register_craft(
    {
-      output = 'mobs:lasso',
+      output = "mobs:lasso",
       recipe = {
-	 {'', 'default:fiber', ''},
-	 {'default:fiber', '', 'default:fiber'},
-	 {'group:stick', 'default:fiber', ''},
+	 {"", "default:rope", ""},
+	 {"default:rope", "", "default:rope"},
+	 {"group:stick", "default:rope", ""},
       }
    })

mods/mobs/sheep.lua

@@ -79,7 +79,7 @@ mobs:register_mob(
 			 local itemname = item:get_name()
 
 			 --are we giving a haircut>
-			 if itemname == "mobs:shears" then
+			 if itemname == "default:shears" then
 			    if self.gotten == false and self.child == false then
 			       self.gotten = true -- shaved
 			       local pos = self.object:getpos()
@@ -104,8 +104,6 @@ mobs:register_mob(
 			    return
 			 end
 
-			 local name = clicker:get_player_name()
-
 			 --are we capturing?
 			 mobs:capture_mob(self, clicker, 0, 5, 60, false, nil)
 		      end