Add adapter for rubber-collector

adapters/conveyor.lua

@@ -15,6 +15,7 @@
 -- You should have received a copy of the GNU General Public License
 -- along with the conveyor mod. If not, see <http://www.gnu.org/licenses/>.
 
+-- CONVEYOR ADAPTER (for conveyor chaining)
 conveyor_adapters['conveyor:conveyor'] = {
     get = function ( pos, wishlist )
         local inv = minetest.env:get_meta( pos ):get_inventory()

adapters/rubber_collector.lua

@@ -0,0 +1,47 @@
+-- Conveyor mod for Minetest
+-- Copyright 2012 Mark Holmquist <mtraceur@member.fsf.org>
+-- Copyright 2012 Marcel Klehr <mklehr@gmx.net>
+--
+-- The conveyor mod is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- The conveyor mod is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with the conveyor mod. If not, see <http://www.gnu.org/licenses/>.
+
+-- RUBBER_COLLECTOR ADAPTER
+conveyor_adapters['rubber_collector:rubber_collector'] = {
+    wishlist = {
+        'rubber_sheet:rubber_base'
+    },
+    get = function ( pos, wishlist )
+        local inv = minetest.env:get_meta( pos ):get_inventory()
+        if wishlist == nil then
+            wishlist = { 'rubber_sheet:rubber_base' }
+        end
+        for _, thing in ipairs( wishlist ) do
+            local itst = ItemStack( thing )
+            if inv:contains_item( 'main', itst ) then
+                return inv:remove_item( 'main', itst )
+            end
+        end
+        return false
+    end,
+    add = function ( pos, thing, addcb )
+        if not thing then
+            return
+        end
+        local inv = minetest.env:get_meta( pos ):get_inventory()
+        local leftover = inv:add_item( 'main', thing )
+        if not leftover:is_empty() and addcb ~= nil then
+            addcb( thing )
+        end
+    end
+}
+