Spawn egg, boat, cart, book use node rightclick

mods/ENTITIES/mobs/api.lua

@@ -2821,6 +2821,14 @@ function mobs:register_egg(mob, desc, background, addegg, no_creative)
 
 		on_place = function(itemstack, placer, pointed_thing)
 
+			-- Call on_rightclick if the pointed node defines it
+			local node = minetest.get_node(pointed_thing.under)
+			if placer and not placer:get_player_control().sneak then
+				if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+					return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
+				end
+			end
+
 			local pos = pointed_thing.above
 
 			if pos

mods/ITEMS/mcl_boats/init.lua

@@ -152,6 +152,15 @@ for w=1, #woods do
 			if pointed_thing.type ~= "node" then
 				return
 			end
+
+			-- Call on_rightclick if the pointed node defines it
+			local node = minetest.get_node(pointed_thing.under)
+			if placer and not placer:get_player_control().sneak then
+				if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+					return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
+				end
+			end
+
 			if not is_water(pointed_thing.under) then
 				return
 			end

mods/ITEMS/mcl_books/init.lua

@@ -13,6 +13,16 @@ minetest.register_craft({
 })
 
 local write = function(itemstack, user, pointed_thing)
+	-- Call on_rightclick if the pointed node defines it
+	if pointed_thing.type == "node" then
+		local node = minetest.get_node(pointed_thing.under)
+		if user and not user:get_player_control().sneak then
+			if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+				return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
+			end
+		end
+	end
+
 	local text = itemstack:get_metadata()
 	local formspec = "size[8,9]"..
 		"background[-0.5,-0.5;9,10;mcl_books_book_bg.png]"..
@@ -23,6 +33,16 @@ local write = function(itemstack, user, pointed_thing)
 end
 
 local read = function(itemstack, user, pointed_thing)
+	-- Call on_rightclick if the pointed node defines it
+	if pointed_thing.type == "node" then
+		local node = minetest.get_node(pointed_thing.under)
+		if user and not user:get_player_control().sneak then
+			if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+				return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, user, itemstack) or itemstack
+			end
+		end
+	end
+
 	local meta = minetest.deserialize(itemstack:get_metadata())
 	local text
 	if meta ~= nil then

mods/ITEMS/mcl_minecarts/init.lua

@@ -267,6 +267,15 @@ minetest.register_craftitem("mcl_minecarts:minecart", {
 		if not pointed_thing.type == "node" then
 			return
 		end
+
+		-- Call on_rightclick if the pointed node defines it
+		local node = minetest.get_node(pointed_thing.under)
+		if placer and not placer:get_player_control().sneak then
+			if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+				return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
+			end
+		end
+
 		if mcl_minecarts:is_rail(pointed_thing.under) then
 			minetest.add_entity(pointed_thing.under, "mcl_minecarts:minecart")
 		elseif mcl_minecarts:is_rail(pointed_thing.above) then