fix inability to make water, add a way to make metal crystals, lux and hard stone

nc_sky_inject/init.lua

@@ -24,3 +24,22 @@ nodecore.register_craft({
 	})
 
 nodecore.register_cook_abm({nodenames = {"nc_terrain:cobble"}, neighbors = {"group:flame"}})
+
+nodecore.register_limited_abm({
+  label = "aggregate insta-cooking",
+  interval = 1,
+  chance = 1,
+  nodenames = {"nc_concrete:wet_source"},
+  neighbors = {"group:lava"},
+  action = function(pos,node)
+    local nnode
+    if math.random() > (1/10) then
+      nnode = {name = "nc_terrain:hard_stone_1"}
+    else
+      local t = {"nc_crystal:ore","nc_lux:stone"}
+      nnode = {name=t[math.random(1,#t)]}
+    end
+    minetest.set_node(pos,nnode)
+    nodecore.node_sound(pos,"place")
+  end
+})