work

1 files changed, 30 insertions, 0 deletions

diff --git a/src/rng.moon b/src/rng.moon
new file mode 100644
index 0000000..d732386
--- /dev/null
+++ b/src/rng.moon
@@ -0,0 +1,30 @@
+
+rng = {}
+totally_random_seed = tonumber(os.date("%Y%H%M%S"))
+math.randomseed(totally_random_seed)
+
+rng.generator = (seed, m, n) ->
+	seed = seed or tonumber(os.date("%Y%S"))
+	co = coroutine.wrap(() ->
+		while true
+			math.randomseed(seed)
+			seed = math.random(m,n)
+			coroutine.yield(seed)
+	)
+	co, seed
+
+rng.randomstring = (charset, length) ->
+	t = {}
+	charset_len = #charset
+	for i = 1, length
+		char = math.random(charset_len)
+		t[i] = charset\sub(char,char)
+	table.concat(t)
+
+rng.hexstring = (length) ->
+	rng.randomstring("0123456789ABCDEF", length)
+
+rng.numstring = (length) ->
+	rng.randomstring("0123456789", length)
+
+rng