Add infinite placement in level editor

mods/lzr_editor/init.lua

@@ -134,7 +134,29 @@ minetest.register_chatcommand("editor_load", {
 	end,
 })
 
+-- Unlimited node placement in editor mode
+minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
+	if placer and placer:is_player() then
+		return lzr_gamestate.get_state() == lzr_gamestate.EDITOR
+	end
+end)
 
+-- Don't pick node up if the item is already in the inventory
+local old_handle_node_drops = minetest.handle_node_drops
+function minetest.handle_node_drops(pos, drops, digger)
+	if not digger or not digger:is_player() or
+		lzr_gamestate.get_state() ~= lzr_gamestate.EDITOR then
+		return old_handle_node_drops(pos, drops, digger)
+	end
+	local inv = digger:get_inventory()
+	if inv then
+		for _, item in ipairs(drops) do
+			if not inv:contains_item("main", item, true) then
+				inv:add_item("main", item)
+			end
+		end
+	end
+end
 
 lzr_gamestate.register_on_enter_state(function(state)
 	if state == lzr_gamestate.EDITOR then

mods/lzr_player/init.lua

@@ -35,5 +35,10 @@ end)
 
 -- Can't drop items
 function minetest.item_drop(itemstack, dropper, pos)
-	return itemstack
+	if lzr_gamestate.get_state() == lzr_gamestate.EDITOR then
+		-- Destroy item in editor mode
+		return ""
+	else
+		return itemstack
+	end
 end