Mgv6: Add fallback node for gravel

Gravel now falls back to stone.
Gravel is not a particularly fundamental node, allowing it to fall back
to stone frees up subgames from having to include a gravel node.
Non-blob-ore gravel is only present in mgv6 as extremely rare 'gravel
biomes'.
This commit is contained in:
paramat 2017-02-04 06:03:04 +00:00
parent 8e4c11406e
commit 047168ca83

@ -99,6 +99,8 @@ MapgenV6::MapgenV6(int mapgenid, MapgenV6Params *params, EmergeManager *emerge)
c_snowblock = ndef->getId("mapgen_snowblock");
c_ice = ndef->getId("mapgen_ice");
if (c_gravel == CONTENT_IGNORE)
c_gravel = c_stone;
if (c_desert_stone == CONTENT_IGNORE)
c_desert_stone = c_stone;
if (c_desert_sand == CONTENT_IGNORE)