work in progress, can be branched/merged

src/gold.cc

@@ -0,0 +1,18 @@
+#include "gold.h"
+
+int rand_gold_pile(RNG *rng) {
+        const int denominator = 8;
+        const int normal = 5;
+        const int dragon = 6;
+
+        int tmp = rng->rand_under(denominator);
+
+        if (tmp < normal)
+                return GOLD_NORMAL;
+        else if (tmp < dragon)
+                return GOLD_DRAGON;
+        else
+                return GOLD_SMALL;
+
+        return 0;
+}