Handheld scanner shows ores (including obsidian) in cubic area
centered at player current position within preset range.
Left click (use) - scan for ores and send result via chat
Right click (place, secondary use) - change scan range
Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
Geothermometer is now limited to natural (mineral) nodes like
stones, sand, dirt, raw ore blocks and simple processed stones
that retain 'natural' characteristics.
Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
