chat

1 files changed, 23 insertions, 1 deletions

diff --git a/chat.lua b/chat.lua
index a34086b..a4ba800 100644
--- a/chat.lua
+++ b/chat.lua
@@ -35,6 +35,28 @@ local function pad_c(s,width)
 	return string.rep(" ",hspace)..s
 end
 
+
+local function round(n)
+	-- to nearest int
+	local f = math.floor(n)
+	if n>=f+0.5 then return math.ceil(n) else return f end
+end
+
+local function round_dp(n,dp)
+	local exp = 10^dp
+	return round(n*exp)/exp
+end
+
+local function sci(x)
+	local b = math.floor(math.log10(x))
+	local a = round_dp(x/10^b,2)
+	return a.."e"..b
+end
+
+local function maybe_sci(x)
+	if #tostring(x) >= scorewidth then return sci(x) else return x end
+end
+
 -- drawing
 --  lb
 
@@ -72,7 +94,7 @@ local function draw_lb(W,scores)
 		-- score
 		W.setTextColor(colors.red)
 		W.setCursorPos(w-scorewidth+1,i+1)
-		W.write(pad_r(score,scorewidth))
+		W.write(pad_r(maybe_sci(score),scorewidth))
 	end
 end