mirror of
https://github.com/NoCheatPlus/NoCheatPlus.git
synced 2024-12-27 02:48:04 +01:00
Permissions support + fix regression at half blocks and stairs
This commit is contained in:
Evenprime
parent
bf07aa16d7
commit
c223358e7d
@ -3,5 +3,5 @@ name: NoCheatPlugin
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author: Evenprime
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main: cc.co.evenprime.bukkit.nocheat.NoCheatPlugin
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version: 0.3.5
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version: 0.4
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@ -11,6 +11,10 @@ import org.bukkit.plugin.PluginLoader;
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import org.bukkit.plugin.java.JavaPlugin;
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import org.bukkit.plugin.PluginManager;
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import com.nijikokun.bukkit.Permissions.Permissions;
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import com.nijiko.permissions.PermissionHandler;
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import org.bukkit.plugin.Plugin;
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/**
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*
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* NoCheatPlugin
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@ -23,6 +27,7 @@ public class NoCheatPlugin extends JavaPlugin {
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private final NoCheatPluginPlayerListener playerListener = new NoCheatPluginPlayerListener(this);
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public static final Logger log = Logger.getLogger("Minecraft");
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public static PermissionHandler Permissions = null;
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public NoCheatPlugin(PluginLoader pluginLoader, Server instance, PluginDescriptionFile desc, File folder, File plugin, ClassLoader cLoader) {
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super(pluginLoader, instance, desc, folder, plugin, cLoader);
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@ -37,7 +42,24 @@ public class NoCheatPlugin extends JavaPlugin {
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pm.registerEvent(Event.Type.PLAYER_MOVE, playerListener, Priority.Lowest, this);
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pm.registerEvent(Event.Type.PLAYER_QUIT, playerListener, Priority.Monitor, this);
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PluginDescriptionFile pdfFile = this.getDescription();
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System.out.println( pdfFile.getName() + " version " + pdfFile.getVersion() + " is enabled!" );
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log.info( "NoCheat version " + pdfFile.getVersion() + " is enabled!" );
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setupPermissions();
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}
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public void setupPermissions() {
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Plugin test = this.getServer().getPluginManager().getPlugin("Permissions");
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if(Permissions == null) {
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if(test != null) {
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Permissions = ((Permissions)test).getHandler();
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} else {
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log.info("Nocheat couldn't find Permissions plugin. Fallback to OP -> all allowed.");
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this.getServer().getPluginManager().disablePlugin(this);
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}
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}
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}
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}
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@ -118,7 +118,7 @@ public class NoCheatPluginPlayerListener extends PlayerListener {
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types[Material.COBBLESTONE_STAIRS.getId()]= BlockType.UNKNOWN;
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types[Material.WALL_SIGN.getId()]= BlockType.NONSOLID;
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types[Material.LEVER.getId()]= BlockType.NONSOLID;
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types[Material.STONE_PLATE.getId()]= BlockType.NONSOLID;
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types[Material.STONE_PLATE.getId()]= BlockType.UNKNOWN;
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types[Material.IRON_DOOR_BLOCK.getId()]= BlockType.NONSOLID;
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types[Material.WOOD_PLATE.getId()]= BlockType.NONSOLID;
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types[Material.REDSTONE_ORE.getId()]= BlockType.SOLID;
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@ -178,8 +178,7 @@ public class NoCheatPluginPlayerListener extends PlayerListener {
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// If someone cancelled the event already, ignore it
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// If the player is inside a vehicle, ignore it for now
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// If the player is OP, ignore it for now
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if(event.isCancelled() || event.getPlayer().isInsideVehicle() || event.getPlayer().isOp()) {
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if(event.isCancelled() || event.getPlayer().isInsideVehicle()) {
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data.phase = 0;
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return;
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}
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@ -192,136 +191,155 @@ public class NoCheatPluginPlayerListener extends PlayerListener {
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// Get the time of the server
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long time = System.currentTimeMillis();
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// Is it time for a speedhack check now?
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if(time > timeFrameForSpeedHackCheck + data.lastSpeedHackCheck ) {
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// Yes
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int limit = (int)((eventLimitForSpeedHackCheck * (time - data.lastSpeedHackCheck)) / timeFrameForSpeedHackCheck);
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if(data.eventsSinceLastSpeedHackCheck > limit) {
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// Probably someone is speedhacking here! Better log that
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" probably uses a speedhack. He sent "+ data.eventsSinceLastSpeedHackCheck + " events, but only "+limit+ " were allowed in the timeframe!");
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boolean allowSpeedhack = false;
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if(NoCheatPlugin.Permissions != null && !NoCheatPlugin.Permissions.has(event.getPlayer(), "nocheat.speedhack")) {
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allowSpeedhack = true;
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}
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else if(NoCheatPlugin.Permissions == null && event.getPlayer().isOp() ) {
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allowSpeedhack = true;
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}
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if(!allowSpeedhack){
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// Is it time for a speedhack check now?
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if(time > timeFrameForSpeedHackCheck + data.lastSpeedHackCheck ) {
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// Yes
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int limit = (int)((eventLimitForSpeedHackCheck * (time - data.lastSpeedHackCheck)) / timeFrameForSpeedHackCheck);
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if(data.eventsSinceLastSpeedHackCheck > limit) {
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// Probably someone is speedhacking here! Better log that
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" probably uses a speedhack. He sent "+ data.eventsSinceLastSpeedHackCheck + " events, but only "+limit+ " were allowed in the timeframe!");
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}
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// Reset values for next check
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data.eventsSinceLastSpeedHackCheck = 0;
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data.lastSpeedHackCheck = time;
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}
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// Reset values for next check
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data.eventsSinceLastSpeedHackCheck = 0;
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data.lastSpeedHackCheck = time;
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data.eventsSinceLastSpeedHackCheck++;
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}
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data.eventsSinceLastSpeedHackCheck++;
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// First check the distance the player has moved horizontally
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// TODO: Make this check much more precise
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if(!event.isCancelled()) {
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double xDistance = Math.abs(from.getX() - to.getX());
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double zDistance = Math.abs(from.getZ() - to.getZ());
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if(xDistance > maxX || zDistance > maxZ) {
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event.setCancelled(true);
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}
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boolean allowMoving = false;
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if(NoCheatPlugin.Permissions != null && !NoCheatPlugin.Permissions.has(event.getPlayer(), "nocheat.moving")) {
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allowMoving = true;
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}
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else if(NoCheatPlugin.Permissions == null && event.getPlayer().isOp() ) {
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allowMoving = true;
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}
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// If we didn't already cancel the event, check the vertical movement
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if(!event.isCancelled()) {
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// pre-calculate boundary values that are needed multiple times in the following checks
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// the array each contains [lowerX, higherX, Y, lowerZ, higherZ]
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int fromValues[] = {(int)Math.floor(from.getX() - 0.3001D), (int)Math.floor(from.getX() + 0.3001D), from.getBlockY(), (int)Math.floor(from.getZ() - 0.3001D),(int)Math.floor(from.getZ() + 0.3001D) };
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int toValues[] = {(int)Math.floor(to.getX() - 0.3001D), (int)Math.floor(to.getX() + 0.3001D), to.getBlockY(), (int)Math.floor(to.getZ() - 0.3001D),(int)Math.floor(to.getZ() + 0.3001D) };
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if(!allowMoving){
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// First check the distance the player has moved horizontally
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// TODO: Make this check much more precise
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if(!event.isCancelled()) {
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double xDistance = Math.abs(from.getX() - to.getX());
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double zDistance = Math.abs(from.getZ() - to.getZ());
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// compare locations to the world to guess if the player is standing on the ground, a half-block or next to a ladder
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boolean onGroundFrom = playerIsOnGround(from.getWorld(), fromValues);
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boolean onGroundTo = playerIsOnGround(from.getWorld(), toValues);
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// Both locations seem to be on solid ground or at a ladder
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if(onGroundFrom && onGroundTo)
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{
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// reset jumping
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data.phase = 0;
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// Check if the player isn't 'walking' up unrealistically far in one step
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// Finally found out why this can happen:
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// If a player runs into a wall at an angle from above, the game tries to
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// place him above the block he bumped into, by placing him 0.5 m above
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// the target block
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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}
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// player is starting to jump (or starting to fall down somewhere)
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else if(onGroundFrom && !onGroundTo)
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{
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// reset jumping
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data.phase = 0;
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// Check if player isn't jumping too high
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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else if(to.getY() <= from.getY()) {
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// Very special case if running over a cliff and then immediately jumping.
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// Some sort of "air jump", MC allows it, so we have to do so too.
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if(xDistance > maxX || zDistance > maxZ) {
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event.setCancelled(true);
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}
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else data.phase++; // Setup next phase of the jump
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}
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// player is probably landing somewhere
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else if(!onGroundFrom && onGroundTo)
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{
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// Check if player isn't landing to high (sounds weird, but has its use)
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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// If we didn't already cancel the event, check the vertical movement
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if(!event.isCancelled()) {
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// pre-calculate boundary values that are needed multiple times in the following checks
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// the array each contains [lowerX, higherX, Y, lowerZ, higherZ]
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int fromValues[] = {(int)Math.floor(from.getX() - 0.3001D), (int)Math.floor(from.getX() + 0.3001D), from.getBlockY(), (int)Math.floor(from.getZ() - 0.3001D),(int)Math.floor(from.getZ() + 0.3001D) };
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int toValues[] = {(int)Math.floor(to.getX() - 0.3001D), (int)Math.floor(to.getX() + 0.3001D), to.getBlockY(), (int)Math.floor(to.getZ() - 0.3001D),(int)Math.floor(to.getZ() + 0.3001D) };
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// compare locations to the world to guess if the player is standing on the ground, a half-block or next to a ladder
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boolean onGroundFrom = playerIsOnGround(from.getWorld(), fromValues);
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boolean onGroundTo = playerIsOnGround(from.getWorld(), toValues);
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// Both locations seem to be on solid ground or at a ladder
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if(onGroundFrom && onGroundTo)
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{
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// reset jumping
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data.phase = 0;
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// Check if the player isn't 'walking' up unrealistically far in one step
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// Finally found out why this can happen:
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// If a player runs into a wall at an angle from above, the game tries to
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// place him above the block he bumped into, by placing him 0.5 m above
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// the target block
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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}
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// player is starting to jump (or starting to fall down somewhere)
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else if(onGroundFrom && !onGroundTo)
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{
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// reset jumping
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data.phase = 0;
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// Check if player isn't jumping too high
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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else if(to.getY() <= from.getY()) {
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// Very special case if running over a cliff and then immediately jumping.
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// Some sort of "air jump", MC allows it, so we have to do so too.
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}
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else data.phase++; // Setup next phase of the jump
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}
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// player is probably landing somewhere
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else if(!onGroundFrom && onGroundTo)
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{
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// Check if player isn't landing to high (sounds weird, but has its use)
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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else {
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data.phase = 0; // He is on ground now, so reset the jump
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}
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}
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// Player is moving through air (during jumping, falling)
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else {
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data.phase = 0; // He is on ground now, so reset the jump
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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else data.phase++; // Enter next phase of the flight
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}
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// do a security check on the jumping phase, such that we don't get
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// OutOfArrayBoundsExceptions at long air times (falling off high places)
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if(!(data.phase < jumpingPhases.length)) {
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data.phase = jumpingPhases.length - 1;
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}
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}
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// Player is moving through air (during jumping, falling)
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else {
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if(!(to.getY() - from.getY() < jumpingPhases[data.phase])) {
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event.setCancelled(true);
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}
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else data.phase++; // Enter next phase of the flight
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}
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// do a security check on the jumping phase, such that we don't get
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// OutOfArrayBoundsExceptions at long air times (falling off high places)
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if(!(data.phase < jumpingPhases.length)) {
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data.phase = jumpingPhases.length - 1;
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}
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}
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/**
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* Teleport the player back to the last valid position
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*/
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if(event.isCancelled() && !data.lastWasInvalid) {
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// Keep count of violations
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data.violations++;
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// Log the violation
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" begins violating constraints. Total Violations: "+data.violations);
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NoCheatPlugin.log.info("NoCheatPlugin: He tried to go from " + String.format("%.5f,%.5f,%.5f to %.5f,%.5f,%.5f", from.getX(), from.getY(), from.getZ(), to.getX(), to.getY(), to.getZ()));
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if(event.isCancelled() && !data.lastWasInvalid) {
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// Keep count of violations
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data.violations++;
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data.lastWasInvalid = true;
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// Reset the player to his old location. This should prevent him from getting stuck somewhere and/or getting
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// out of sync with the server
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event.getPlayer().teleportTo(event.getFrom());
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// To prevent players from getting stuck in an infinite loop, needs probably more testing
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// TODO: Find a better solution
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if(data.phase > 6) data.phase = 6;
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}
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else if(event.isCancelled() && data.lastWasInvalid) {
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data.violations++;
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// Reset the player to his old location. This should prevent him from getting stuck somewhere and/or getting
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// out of sync with the server
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event.getPlayer().teleportTo(event.getFrom());
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}
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else if(!event.isCancelled() && data.lastWasInvalid) {
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data.lastWasInvalid = false;
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" stopped violating constraints. Total Violations: "+data.violations);
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// Log the violation
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" begins violating constraints. Total Violations: "+data.violations);
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NoCheatPlugin.log.info("NoCheatPlugin: He tried to go from " + String.format("%.5f,%.5f,%.5f to %.5f,%.5f,%.5f", from.getX(), from.getY(), from.getZ(), to.getX(), to.getY(), to.getZ()));
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data.lastWasInvalid = true;
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// Reset the player to his old location. This should prevent him from getting stuck somewhere and/or getting
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// out of sync with the server
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event.getPlayer().teleportTo(event.getFrom());
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// To prevent players from getting stuck in an infinite loop, needs probably more testing
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// TODO: Find a better solution
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if(data.phase > 4) {
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data.phase = 4;
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}
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}
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else if(event.isCancelled() && data.lastWasInvalid) {
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data.violations++;
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// Reset the player to his old location. This should prevent him from getting stuck somewhere and/or getting
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// out of sync with the server
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event.getPlayer().teleportTo(event.getFrom());
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}
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else if(!event.isCancelled() && data.lastWasInvalid) {
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data.lastWasInvalid = false;
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NoCheatPlugin.log.info("NoCheatPlugin: "+event.getPlayer().getDisplayName()+" stopped violating constraints. Total Violations: "+data.violations);
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}
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}
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}
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@ -346,19 +364,25 @@ public class NoCheatPluginPlayerListener extends PlayerListener {
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// Check the blocks below the player. If they aren't not solid (sic!) and the blocks directly above
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// them aren't solid, The player is considered to be standing on the lower block
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// Plus the player can hang onto a ladder that is one field above him
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if( (types[w.getBlockTypeIdAt(values[0], values[2]-1, values[3])] != BlockType.NONSOLID &&
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if( ((types[w.getBlockTypeIdAt(values[0], values[2]-1, values[3])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[0], values[2], values[3])] != BlockType.SOLID) ||
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(types[w.getBlockTypeIdAt(values[1], values[2]-1, values[3])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[0], values[2], values[3])] == BlockType.UNKNOWN) ||
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((types[w.getBlockTypeIdAt(values[1], values[2]-1, values[3])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[1], values[2], values[3])] != BlockType.SOLID) ||
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(types[w.getBlockTypeIdAt(values[0], values[2]-1, values[4])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[1], values[2], values[3])] == BlockType.UNKNOWN) ||
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((types[w.getBlockTypeIdAt(values[0], values[2]-1, values[4])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[0], values[2], values[4])] != BlockType.SOLID) ||
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(types[w.getBlockTypeIdAt(values[1], values[2]-1, values[4])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[0], values[2], values[4])] == BlockType.UNKNOWN) ||
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((types[w.getBlockTypeIdAt(values[1], values[2]-1, values[4])] != BlockType.NONSOLID &&
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types[w.getBlockTypeIdAt(values[1], values[2], values[4])] != BlockType.SOLID) ||
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types[w.getBlockTypeIdAt(values[1], values[2], values[4])] == BlockType.UNKNOWN) ||
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(types[w.getBlockTypeIdAt(values[0], values[2]+1, values[3])] == BlockType.LADDER ||
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types[w.getBlockTypeIdAt(values[0], values[2]+1, values[4])] == BlockType.LADDER ||
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types[w.getBlockTypeIdAt(values[1], values[2]+1, values[3])] == BlockType.LADDER ||
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types[w.getBlockTypeIdAt(values[1], values[2]+1, values[4])] == BlockType.LADDER))
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types[w.getBlockTypeIdAt(values[1], values[2]+1, values[4])] == BlockType.LADDER)) {
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return true;
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}
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else
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return false;
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}
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Block a user