Finish nexus block and pedestal.

The full receiver node is now gone. The pedestal itself
is a connecting nodebox and adds 4 little "holders" if the
nexus block is above. Right-click accepting code is now
really simple. We should probably handle punch/left click
of the node on the pedestal as well to make it simple for
all users.

mods/boxes/init.lua

@@ -468,15 +468,15 @@ minetest.register_chatcommand("open", {
 	end,
 })
 
-minetest.register_node("boxes:findme_item", {
-	description = "Put me inside receivers",
+minetest.register_node("boxes:nexus", {
+	description = "Put me on a Nexus Pedestal",
 	drawtype = "mesh",
-	mesh = "nexusblock.obj",
+	mesh = "nexus.obj",
 	paramtype = "light",
 	paramtype2 = "facedir",
 	tiles = {
 		{
-			name = "secret.png",
+			name = "nexus.png",
 			animation = {
 				type = "sheet_2d",
 				frames_w = 5,
@@ -493,35 +493,37 @@ minetest.register_node("boxes:findme_item", {
 		type = "fixed",
 		fixed = {-3/8, -3/8, -3/8, 3/8, 3/8, 3/8},
 	},
-	group = {node = 0, secret = 1},
-	--FIXME: onplace for pedestal:
-	-- only on top of empty pedestals
-	-- make param2 random between 0-23
-	-- trigger complete check?
+	group = {node = 0, nexus = 1},
 })
 
-minetest.register_node("boxes:item_receiver", {
-	description = "Item receiver",
-	tiles = {"I_need_textures_too.png"},
-	groups = {node = 1}, -- remove node group if no longer a full node
+minetest.register_node("boxes:pedestal", {
+	description = "Nexus Pedestal",
+	tiles = {"bricks_marble.png"},
+	drawtype = "nodebox",
+	node_box = {
+		type = "connected",
+		fixed = {{-1/2, -1/2, -1/2, 1/2, 1/2, 1/2}},
+		connect_top = {
+			{-1/2, 1/2, -1/2, -1/4, 3/4, -1/4},
+			{1/4, 1/2, -1/2, 1/2, 3/4, -1/4},
+			{-1/2, 1/2, 1/4, -1/4, 3/4, 1/2},
+			{1/4, 1/2, 1/4, 1/2, 3/4, 1/2},
+		},
+	},
+	connects_to = {"boxes:nexus"},
+	groups = {node = 1},
 	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
-		if itemstack:get_name() ~= "boxes:findme_item" then
+		if itemstack:get_name() ~= "boxes:nexus" then
 			return itemstack
 		end
 		itemstack:take_item()
-		node.name = "boxes:item_receiver_full"
-		minetest.swap_node(pos, node)
+		minetest.set_node({x = pos.x, y = pos.y + 1, z = pos.z},
+			{name = "boxes:nexus", param2 = math.random(24) - 1})
 		boxes.increase_items(clicker)
 		return itemstack
 	end,
 })
 
-minetest.register_node("boxes:item_receiver_full", {
-	description = "Item receiver (full)",
-	tiles = {"I_need_textures_as_well.png"},
-	groups = {node = 1}, -- remove node group if no longer a full node
-})
-
 -- This is only still needed if we want to change the size, the entry, or the
 -- exit of the lobbies; changing the contents can be done by /edite.