download ghosts if they differ

ghost.lua

@@ -75,6 +75,15 @@ local function Columns(line, sep)
 	}
 end
 
+local function compareTables(a, b, ...)
+	for _, key in ipairs({...}) do
+		if a[key] != b[key] then
+			return false
+		end
+	end
+	return true
+end
+
 Ghosts = {
 	map,
 	players = {},
@@ -449,7 +458,7 @@ Client = {
 		end,
 
 		callback = function(data, this)
-			local header
+			local header, storedHeader
 			local cmd = 1
 			for str in data:gmatch("(.-)\n") do
 				if Client.data:busy(cmd) then
@@ -457,7 +466,18 @@ Client = {
 				end
 
 				header = Index.parseHeader(str)
-				if not Index:find(header) then
+				storedHeader = Index:find(header)
+				if not (
+					storedHeader
+					and compareTables(
+						header,
+						storedHeader,
+						"time",
+						"flags",
+						"skin",
+						"color"
+					)
+				) then
 					local tr = Transmitter("GC", {stream = true})
 					tr:transmit(cmd)
 					Client.data:listen(header, cmd)