Factorio Forums

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require "util"
require "story"
require "defines"

-- Table Declarations -- 
	glob.blueprints = {}											-- mod-Namespace
	glob.blueprints.XXX
       ...
---------------------------------

game.onit(function()
	game.player.character.insert{name="iron-plate", count=8}	
        ...
end)

game.onevent(defines.events.onbuiltentity, function(event)
...
end)

...									

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local entities = game.findentities{ topleft = minpos , bottomright = maxpos}
			local k = 1
			for _, entity in ipairs(entities) do
				if (entity.name ~= "item-on-ground") and (entity.type ~= "resource") and (entity.type ~= "tree") then
					if (entity.name ~= "player") and (entity.name ~= "ccmarker") and (entity.type ~="unit") and (entity.type ~="unit-spawner") then
						glob.blueprints.relpos[k] = entity.position
						glob.blueprints.relpos[k].name = entity.name
						glob.blueprints.relpos[k].type = entity.type
						if (glob.blueprints.relpos[k].type == "mining-drill") or (glob.blueprints.relpos[k].type == "inserter") then
							local posit = entity.getdropposition()
							game.player.print(posit.x)
							game.player.print(posit.y)
						end
						k = k + 1
					end
					while (k-1) < #glob.blueprints.relpos do						-- needed to remove old entries
						table.remove(glob.blueprints.relpos)						-- from a previous blueprint
					end
				end
			end --_, entity in ipairs(entities)

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 glob.blueprints = {}

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if glob.blueprints~=nil then
    glob.blueprint={}
end

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Ok, I've been playing around a bit and I have to say I don't think it's your code...
I've narrowed it down to line 93 where you use findentities. Your tables are loaded, BUT findentities is not finding any entities (at all). How do I know that, well I used print statements to show that your tables exist, when I realized that your tables DO exist the next step was to see if findentities was working...so I threw

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    game.player.print(tostring(entities[1])..tostring(entities[2])..tostring(entities[3])..tostring(entities[4])..tostring(entities[5])..tostring(entities[6]))

right after the local entities = findentities command. When the mod is working the table addresses are printed to the screen and when it doesn't all that's printed is nil. This seems more like the devs did something to the findentities function in the update, or how it's loaded or something lol. Tested on 0.3.2 not sure about 3.0/1 though I'd expect them to be the same.

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local entities = game.findentities{ topleft = minpos , bottomright = maxpos}

			local k = 1
			for _, entity in ipairs(entities) do
				if (entity.name ~= "item-on-ground") and (entity.type ~= "resource") and (entity.type ~= "tree") then
					if (entity.name ~= "player") and (entity.name ~= "ccmarker") and (entity.type ~="unit") and (entity.type ~="unit-spawner") then
						blueprints.relpos[k] = entity.position
						blueprints.relpos[k].name = entity.name
						blueprints.relpos[k].type = entity.type
						
						k = k + 1

						while (k-1) < #blueprints.relpos do						-- needed to remove old entries
							table.remove(blueprints.relpos)						-- from a previous blueprint
						end
					end
				end
			end --_, entity in ipairs(entities)

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local entities = game.findentities{ topleft = maxpos , bottomright = minpos}

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game.player.print( #game.findentities({ topleft = {-5,-5} , bottomright = {5,5}}) )-- always 0

game.player.print( #game.findentities({ topleft = {5,5} , bottomright = {-5,-5}}) )-- this works

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local entities = game.findentities{ minpos , maxpos}