added support for farming in build_chest

init.lua

@@ -45,6 +45,7 @@ dofile(mg_villages.modpath.."/trees.lua")
 -- replace some materials for entire villages randomly
 dofile(mg_villages.modpath.."/replacements_wood.lua")
 dofile(mg_villages.modpath.."/replacements_realtest.lua")
+dofile(mg_villages.modpath.."/replacements_farming.lua")
 dofile(mg_villages.modpath.."/replacements.lua")
 
 -- multiple diffrent village types with their own sets of houses are supported

replacements_farming.lua

@@ -0,0 +1,130 @@
+                                
+replacements_farming = {}
+
+-- this contains a list of all found/available nodenames that may act as a replacement frming nodes
+replacements_farming.found = {};
+-- contains a list of *all* known farming names - even of mods that may not be installed
+replacements_farming.all   = {};
+
+-- contains information about how a particular node is called if a particular farming mod is used;
+replacements_farming.data  = {};
+
+
+replacements_farming.replace_fruit = function( replacements, old_material, new_material )
+
+	if(  not( old_material ) or not( replacements_farming.data[ old_material ])
+	  or not( new_material ) or not( replacements_farming.data[ new_material ])
+	  or old_material == new_material ) then
+		return replacements;
+	end
+
+	local old_nodes = replacements_farming.data[ old_material ];
+	local new_nodes = replacements_farming.data[ new_material ];
+	for i=1,#old_nodes do
+		local old = old_nodes[i];
+		local new = old;
+		if( i<=#new_nodes and new_nodes[i] and minetest.registered_nodes[ new_nodes[i]] ) then
+			new = new_nodes[i];
+			local found = false;
+			for i,v in ipairs(replacements) do
+				if( v and v[1]==old ) then
+					v[2] = new;
+					found = true;
+				end
+			end
+			if( not( found )) then
+				table.insert( replacements, { old, new });
+			end
+		-- default to the last growth stage
+		elseif( i>#new_nodes and minetest.registered_nodes[ new_nodes[ #new_nodes ]]) then
+			table.insert( replacements, { old, new_nodes[ #new_nodes ] });
+		end
+	end
+	return replacements;		
+end
+
+
+---------------------
+-- internal functions
+---------------------
+replacements_farming.add_fruit_type = function( fruit, fruit_item, prefix, seperator, postfix  )
+
+	table.insert( replacements_farming.found, fruit_item );
+
+	local data = {};
+	for i=1,8 do
+		local node_name = prefix..fruit..seperator..tostring(i)..postfix;
+		if( minetest.registered_nodes[ node_name ]) then
+			table.insert( data, node_name );
+		end
+	end
+	-- the last plant stage (the one that gives the fruit) usually has no number
+	local node_name = prefix..fruit;
+	if( minetest.registered_nodes[ node_name ]) then
+		table.insert( data, node_name );
+	end
+	replacements_farming.data[ fruit_item ] = data;
+end
+
+
+
+
+-- create a list of all available fruit types
+replacements_farming.construct_farming_type_list = function()
+	local fruits = {'carrot','coffee','corn','cucumber','lemon','melon','orange','peach',
+			'potato','potatoe', -- diffrent mods spell them diffrently
+			'pumpkin','raspberry','rhubarb','strawberry','tomato','walnut',
+			-- docfarming
+			'corn',
+			-- from default
+			'cotton','wheat',
+			-- from realtest
+			'flax','spelt','soy'};
+
+	for i,fruit in ipairs( fruits ) do
+		-- diffrent versions of farming_plus:
+		-- PilzAdam:  https://forum.minetest.net/viewtopic.php?t=2787
+		-- TenPlus1:  https://forum.minetest.net/viewtopic.php?t=9019
+		-- MTDad:     https://forum.minetest.net/viewtopic.php?t=10187
+		if(     minetest.registered_nodes[ 'farming_plus:'..fruit ]
+		    and minetest.registered_nodes[ 'farming_plus:'..fruit..'_1' ]
+		    and minetest.registered_items[ 'farming_plus:'..fruit..'_item' ] ) then
+			replacements_farming.add_fruit_type( fruit, 'farming_plus:'..fruit..'_item',   'farming_plus:', '_', '' );
+
+		elseif( minetest.registered_nodes[ 'farming_plus:'..fruit ]
+		    and minetest.registered_nodes[ 'farming_plus:'..fruit..'_1' ]
+		    and minetest.registered_items[ 'farming_plus:'..fruit..'_beans' ] ) then
+			table.insert( replacements_farming.found, 'farming_plus:'..fruit..'_beans'  );
+			replacements_farming.add_fruit_type( fruit, 'farming_plus:'..fruit..'_beans',  'farming_plus:', '_', '' );
+                                                                      
+		-- Docfarming: https://forum.minetest.net/viewtopic.php?t=3948 
+		elseif( minetest.registered_items[ 'docfarming:'  ..fruit ]
+		    and minetest.registered_nodes[ 'docfarming:'  ..fruit..'1' ]) then
+			replacements_farming.add_fruit_type( fruit, 'docfarming:'..fruit,              'docfarming:', '', '' );
+
+		-- farming from default; also covers soy from RealTest
+		elseif( minetest.registered_items[ 'farming:'     ..fruit ]
+		    and minetest.registered_nodes[ 'farming:'     ..fruit..'_1' ]) then
+			replacements_farming.add_fruit_type( fruit, 'farming:'..fruit,                 'farming:', '_', '' );
+
+		-- RealTest
+		elseif( fruit=='flax'
+		    and minetest.registered_items[ 'farming:string' ]
+		    and minetest.registered_nodes[ 'farming:'     ..fruit..'_1' ]) then
+			replacements_farming.add_fruit_type( fruit, 'farming:string',                  'farming:', '_', '' );
+
+		elseif( fruit=='spelt'
+		    and minetest.registered_items[ 'farming:wheat' ]
+		    and minetest.registered_nodes[ 'farming:'     ..fruit..'_1' ]) then
+			replacements_farming.add_fruit_type( fruit, 'farming:wheat',                   'farming:', '_', '' );
+
+		elseif( fruit=='soy'
+		    and minetest.registered_items[ 'farming:soy' ]
+		    and minetest.registered_nodes[ 'farming:'     ..fruit..'_1' ]) then
+			replacements_farming.add_fruit_type( fruit, 'farming:soy',                     'farming:', '_', '' );
+		end
+	end
+end
+
+-- create the list of known farming fruits
+replacements_farming.construct_farming_type_list();

replacements_realtest.lua

@@ -47,6 +47,10 @@ replacements_realtest.replace = function( replacements )
 	if( to_realtest ) then
 		table.insert( repl, {'default:furnace',          'oven:oven'});
 		table.insert( repl, {'default:clay',             'grounds:clay'});
+		-- Realtest does not know about these nodes yet
+		table.insert( repl, {'farming:soil_wet',            'farming:soil'});
+		table.insert( repl, {'farming:desert_sand_soil',    'farming:soil'});
+		table.insert( repl, {'farming:desert_sand_soil_wet','farming:soil'});
 		for i=1,5 do
                 	table.insert( repl, {'default:grass_'..i,'air' });
 		end
@@ -55,8 +59,10 @@ replacements_realtest.replace = function( replacements )
 	else
 		table.insert(         repl, {'oven:oven',        'default:furnace'});
 		table.insert(         repl, {'grounds:clay',     'default:clay'});
+		table.insert(         repl, {'farming:soil',     'farming:soil_wet'});
         end
 
+
 	for i,v in ipairs( repl ) do
 		if( v and v[2] and minetest.registered_nodes[ v[2]] ) then
 			local found = false;