added missing textures; made indigrents for craft receipes configurable; added compatibility for realtest; added wool in case no wool is installed; other minor tweaks

adaptions.lua

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+-- some games may not have the default nodes;
+-- change this so that craft receipes work!
+
+-- used for: anvil, hammer, barrel, steel hatch, stove pipe, wagon wheel, handmill.
+cottages.craftitem_steel = "default:steel_ingot";
+-- used for: hammer, wood+steel hatch, fence gate, bed, table, bench, shelf,
+--           washing place, wagon wheel, glass pane, flat wood, handmill,
+--           operating the treshing floor. 
+cottages.craftitem_stick = "group:stick";
+-- used for: treshing floor, handmill, slate roof, vertical slate
+cottages.craftitem_stone = "default:stone";
+-- used for: window shutter, half door, half door inverted, fence gate,
+--           bed, bench, shelf, roof connector, vertical slate
+cottages.craftitem_wood  = "group:wood";
+-- used for: half door
+cottages.craftitem_door  = "doors:door_wood";
+-- used for: small fence
+cottages.craftitem_fence = "default:fence_wood";
+-- used for: bed (head+foot), wool for tents
+cottages.craftitem_wool  = "wool:white";
+-- used for: washing place, loam
+cottages.craftitem_clay  = "default:clay";
+-- used for: wagon wheel
+cottages.craftitem_iron  = "default:iron_lump";
+-- used for: dirt road, brown roof (if no homedecor is installed)
+cottages.craftitem_dirt  = "default:dirt";
+-- used for: loam
+cottages.craftitem_sand  = "default:sand";
+-- used for: glass pane
+cottages.craftitem_glass = "default:glass";
+-- used for: reet roof, reet block
+cottages.craftitem_papyrus      = "default:papyrus";
+-- used for: black roof (if no homedecor is installed)
+cottages.craftitem_coal_lump    = "default:coal_lump";
+-- used for: red roof (if no homedecor is installed)
+cottages.craftitem_clay_brick   = "default:clay_brick";
+-- used for: treshing floor
+cottages.craftitem_junglewood   = "default:junglewood";
+cottages.craftitem_chest_locked = "default:chest_locked";
+-- used for: hatch, table
+cottages.craftitem_slab_wood    = "stairs:slab_wood";
+
+-- texture used for fence gate and bed posts
+cottages.texture_furniture  = "default_wood.png";
+-- texture for the side of roof nodes
+cottages.texture_roof_sides = "default_wood.png";
+-- if the default wood node does not exist, use an alternate wood texture
+-- (which is also used for furnitures and doors in this mod)
+if( not( minetest.registered_nodes['default:wood'])) then
+	cottages.texture_roof_sides = "cottages_minimal_wood.png";
+	cottages.texture_furniture  = "cottages_minimal_wood.png";
+end
+
+-- texture for roofs where the tree bark is the main roof texture
+cottages.textures_roof_wood = "default_tree.png";
+if( not( minetest.registered_nodes["default:tree"])) then
+	-- realtest has diffrent barks; the spruce one seems to be the most fitting
+	if( minetest.registered_nodes["trees:spruce_log" ]) then
+		cottages.textures_roof_wood = "trees_spruce_trunk.png";
+
+		-- this is also an indicator that we are dealing with realtest;
+		cottages.craftitem_steel = "metals:pig_iron_ingot";
+		-- stone exists, but is hard to obtain; chiseled stone is more suitable
+		cottages.craftitem_stone = "default:stone_flat";
+		-- there are far more diffrent wood tpyes
+		cottages.craftitem_wood  = "group:planks";
+		cottages.craftitem_door  = "doors:door_birch";
+		cottages.craftitem_fence = "group:fence";
+		cottages.craftitem_clay  = "grounds:clay_lump";
+		cottages.craftitem_iron  = "group:plank"; -- iron lumps would be too specific
+		cottages.craftitem_coal_lump  = "minerals:charcoal";
+		cottages.craftitem_junglewood = "trees:chestnut_planks";
+		cottages.craftitem_slab_wood  = "group:plank";
+	else
+		-- does not look so well in this case as it's no bark; but what else shall we do?
+		cottages.textures_roof_wood = "cottages_minimal_wood.png";
+	end
+end
+
+if( not( minetest.registered_nodes["wool:white"])) then
+	cottages.craftitem_wool = "cottages:wool";
+end
+