diff options
Diffstat (limited to 'EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/moving/MorePacketsCheck.java')
-rw-r--r-- | EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/moving/MorePacketsCheck.java | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/moving/MorePacketsCheck.java b/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/moving/MorePacketsCheck.java deleted file mode 100644 index d5ae30340..000000000 --- a/EssentialsAntiCheat/src/com/earth2me/essentials/anticheat/checks/moving/MorePacketsCheck.java +++ /dev/null @@ -1,132 +0,0 @@ -package com.earth2me.essentials.anticheat.checks.moving; - -import com.earth2me.essentials.anticheat.NoCheat; -import com.earth2me.essentials.anticheat.NoCheatPlayer; -import com.earth2me.essentials.anticheat.actions.ParameterName; -import com.earth2me.essentials.anticheat.data.PreciseLocation; -import com.earth2me.essentials.anticheat.data.Statistics.Id; -import java.util.Locale; - - -/** - * The morePacketsCheck (previously called SpeedhackCheck) will try to identify players that send more than the usual - * amount of move-packets to the server to be able to move faster than normal, without getting caught by the other - * checks (flying/running). - * - * It monitors the number of packets sent to the server within 1 second and compares it to the "legal" number of packets - * for that timeframe (22). - * - */ -public class MorePacketsCheck extends MovingCheck -{ - // 20 would be for perfect internet connections, 22 is good enough - private final static int packetsPerTimeframe = 22; - - public MorePacketsCheck(NoCheat plugin) - { - super(plugin, "moving.morepackets"); - } - - /** - * 1. Players get assigned a certain amount of "free" packets as a limit initially 2. Every move packet reduces that - * limit by 1 3. If more than 1 second of time passed, the limit gets increased by 22 * time in seconds, up to 50 - * and he gets a new "setback" location 4. If the player reaches limit = 0 -> teleport him back to "setback" 5. If - * there was a long pause (maybe lag), limit may be up to 100 - * - */ - public PreciseLocation check(NoCheatPlayer player, MovingData data, MovingConfig cc) - { - - PreciseLocation newToLocation = null; - - if (!data.morePacketsSetbackPoint.isSet()) - { - data.morePacketsSetbackPoint.set(data.from); - } - - long time = System.currentTimeMillis(); - - // Take a packet from the buffer - data.morePacketsBuffer--; - - // Player used up buffer, he fails the check - if (data.morePacketsBuffer < 0) - { - - data.morePacketsVL = -data.morePacketsBuffer; - incrementStatistics(player, Id.MOV_MOREPACKETS, 1); - - data.packets = -data.morePacketsBuffer; - - // Execute whatever actions are associated with this check and the - // violation level and find out if we should cancel the event - final boolean cancel = executeActions(player, cc.morePacketsActions, data.morePacketsVL); - - if (cancel) - { - newToLocation = data.morePacketsSetbackPoint; - } - } - - if (data.morePacketsLastTime + 1000 < time) - { - // More than 1 second elapsed, but how many? - double seconds = ((double)(time - data.morePacketsLastTime)) / 1000D; - - // For each second, fill the buffer - data.morePacketsBuffer += packetsPerTimeframe * seconds; - - // If there was a long pause (maybe server lag?) - // Allow buffer to grow up to 100 - if (seconds > 2) - { - if (data.morePacketsBuffer > 100) - { - data.morePacketsBuffer = 100; - } - // Else only allow growth up to 50 - } - else - { - if (data.morePacketsBuffer > 50) - { - data.morePacketsBuffer = 50; - } - } - - // Set the new "last" time - data.morePacketsLastTime = time; - - // Set the new "setback" location - if (newToLocation == null) - { - data.morePacketsSetbackPoint.set(data.from); - } - } - else if (data.morePacketsLastTime > time) - { - // Security check, maybe system time changed - data.morePacketsLastTime = time; - } - - return newToLocation; - } - - @Override - public String getParameter(ParameterName wildcard, NoCheatPlayer player) - { - - if (wildcard == ParameterName.VIOLATIONS) - { - return String.format(Locale.US, "%d", (int)getData(player).morePacketsVL); - } - else if (wildcard == ParameterName.PACKETS) - { - return String.format(Locale.US, "%d", getData(player).packets); - } - else - { - return super.getParameter(wildcard, player); - } - } -} |