Simplify mcl_vars.get_node
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@ -217,49 +217,14 @@ function mcl_vars.is_generated(pos)
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return false
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end
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-- "Trivial" (actually NOT) function to just read the node and some stuff to not just return "ignore", like mt 5.4 does.
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-- p: Position, if it's wrong, {name="error"} node will return.
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-- force: optional (default: false) - Do the maximum to still read the node within us_timeout.
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-- us_timeout: optional (default: 244 = 0.000244 s = 1/80/80/80), set it at least to 3000000 to let mapgen to finish its job.
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--
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-- returns node definition, eg. {name="air"}. Unfortunately still can return {name="ignore"}.
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function mcl_vars.get_node(p, force, us_timeout)
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-- check initial circumstances
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if not p or not p.x or not p.y or not p.z then return {name="error"} end
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-- try common way
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local node = minetest.get_node(p)
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-- Do minetest.get_node and if it returns "ignore", then try again after loading
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-- its area using a voxel manipulator.
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function mcl_vars.get_node(pos)
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local node = minetest.get_node(pos)
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if node.name ~= "ignore" then
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return node
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end
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-- copy table to get sure it won't changed by other threads
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local pos = {x=p.x,y=p.y,z=p.z}
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-- try LVM
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minetest.get_voxel_manip():read_from_map(pos, pos)
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node = minetest.get_node(pos)
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if node.name ~= "ignore" or not force then
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return node
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end
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-- all ways failed - need to emerge (or forceload if generated)
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local us_timeout = us_timeout or 244
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if mcl_vars.is_generated(pos) then
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minetest.chat_send_all("IMPOSSIBLE! Please report this to MCL2 issue tracker!")
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minetest.forceload_block(pos)
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else
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minetest.emerge_area(pos, pos)
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end
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local t = minetest.get_us_time()
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node = minetest.get_node(pos)
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while (not node or node.name == "ignore") and (minetest.get_us_time() - t < us_timeout) do
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node = minetest.get_node(pos)
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end
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return node
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-- it still can return "ignore", LOL, even if force = true, but only after time out
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return minetest.get_node(pos)
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end
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