add flag attempt streaks

mods/ctf/ctf_modebase/flags/taking.lua

@@ -78,6 +78,49 @@ function ctf_modebase.flag_on_punch(puncher, nodepos, node)
 		table.insert(ctf_modebase.taken_flags[pname], target_team)
 		ctf_modebase.flag_taken[target_team] = {p=pname, t=pteam}
 
+
+		if ctf_modebase.flag_attempt_history[pname] == nil then
+			ctf_modebase.flag_attempt_history[pname] = {}
+		end
+		table.insert(ctf_modebase.flag_attempt_history[pname], os.time())
+
+		-- this is table of streaks.
+		-- mega streak means 4 or 5 attempt in less than 10 minutes
+		local streaks = {
+			[3] = "three",
+			[4] = "four",
+			[5] = "mega",
+			[7] = "mega",
+			[8] = "giga",
+			[10] = "giga",
+			[12] = "tera",
+			[14] = "EXA",
+		}
+
+		local number_of_attempts = 0
+		local total_time = 0 -- should be less than 60*10 = 10 minutes
+		local prev_time = nil
+		for i = #ctf_modebase.flag_attempt_history[pname], 1, -1 do
+			local time = ctf_modebase.flag_attempt_history[i]
+			if prev_time then
+				total_time = math.abs(prev_time - time)
+			else
+				prev_time = time
+			end
+			number_of_attempts = number_of_attempts + 1
+			if total_time >= 60*10 then
+				-- if total_time was more than 10min...
+				break
+			end
+		end
+		local streak = streaks[number_of_attempts]
+		if number_of_attempts >= 10 then
+			streak = "EXA"
+		end
+		if streak then
+			minetest.chat_send_all(pname .. " is on a " .. streak .. " attempt streak!")
+		end
+
 		player_api.set_texture(puncher, 2,
 			"default_wood.png^([combine:16x16:4,0=wool_white.png^[colorize:"..ctf_teams.team[target_team].color..":200)"
 		)
@@ -122,6 +165,7 @@ ctf_api.register_on_match_end(function()
 	ctf_modebase.taken_flags = {}
 	ctf_modebase.flag_taken = {}
 	ctf_modebase.flag_captured = {}
+	ctf_modebase.flag_attempt_history = {}
 end)
 
 ctf_teams.register_on_allocplayer(function(player, new_team, old_team)

mods/ctf/ctf_modebase/init.lua

@@ -37,6 +37,10 @@ ctf_modebase = {
 
 	--flag_captured[Team name] = true if captured, otherwise nil
 	flag_captured        = {},
+
+	flag_attempt_history = {
+		-- ["player"] = {time0, time1, time2, ...}
+	},
 }
 
 ctf_gui.old_init()