Fix chainsaw placing drops and playing sounds at tops of trees

ShadowNinja

2014-08-23 16302cffce1e127ba3527dc2163094aec9a1630c

Fix chainsaw placing drops and playing sounds at tops of trees

 technic/tools/chainsaw.lua

@@ -150,8 +150,10 @@
--- Iterator over positions to try to saw around a sawed node.
-- This returns nodes in a 3x2x3 area. It does not return lower (y) positions
-- to prevent the chainsaw from cutting down nodes below the cutting position.
-- @param pos Reference to sawing position.  Note that this is overridden.
-- @param pos Sawing position.
local function iterSawTries(pos)
    -- Copy position to prevent mangling it
    local pos = vector.new(pos)
    -- Shift the position down on the x and z axes
    pos.x, pos.z = pos.x - 1, pos.z - 1
    -- Save our starting position for reseting it later
@@ -199,12 +201,12 @@
    remaining_charge = remaining_charge - chainsaw_charge_per_node

    -- Check surroundings and run recursively if any charge left
    for pos in iterSawTries(pos) do
    for npos in iterSawTries(pos) do
        if remaining_charge < chainsaw_charge_per_node then
            break
        end
        if timber_nodenames[minetest.get_node(pos).name] then
            remaining_charge = recursive_dig(pos, remaining_charge)
        if timber_nodenames[minetest.get_node(npos).name] then
            remaining_charge = recursive_dig(npos, remaining_charge)
        end
    end
    return remaining_charge