FEAT: player anticheat speed

src/client/Minecraft.h

@@ -120,6 +120,8 @@ public:
 	void optionUpdated(OptionId option, bool value);
 	void optionUpdated(OptionId option, float value);
 	void optionUpdated(OptionId option, int value);
+
+	int getTicks() { return ticks; }
 #ifdef __APPLE__
     bool _isSuperFast;
     bool isSuperFast() { return _isSuperFast; }
@@ -197,7 +199,8 @@ public:
 	std::string externalCacheStoragePath;
 protected:
 	Timer timer;
-    // @note @attn @warn: this is dangerous as fuck!
+
+	// @note @attn @warn: this is dangerous as fuck!
 	volatile bool isGeneratingLevel;
 	bool _hasSignaledGeneratingLevelFinished;
 

src/client/renderer/entity/PlayerRenderer.cpp

@@ -77,10 +77,10 @@ void PlayerRenderer::render(Entity* mob_, float x, float y, float z, float rot,
 		model = desired;
 		humanoidModel = desired;
 	}
-	LOGI("[PlayerRenderer] %s: skin=%s, modelTex=%dx%d, desired=%s\n", 
+	/* LOGI("[PlayerRenderer] %s: skin=%s, modelTex=%dx%d, desired=%s\n", 
 		((Player*)mob)->name.c_str(), mob->getTexture().c_str(), 
 		humanoidModel->texWidth, humanoidModel->texHeight,
-		(desired == playerModel64 ? "64" : "32"));
+		(desired == playerModel64 ? "64" : "32")); */
 	HumanoidMobRenderer::render(mob_, x, y, z, rot, a);
 }
 

src/network/ServerSideNetworkHandler.cpp

@@ -21,6 +21,7 @@
 #include "../raknet/RakPeerInterface.h"
 #include "../raknet/PacketPriority.h"
 #include "platform/log.h"
+#include "util/Mth.h"
 #include "world/item/ItemInstance.h"
 #include "world/phys/Vec3.h"
 #include "world/item/crafting/Recipe.h"
@@ -360,12 +361,22 @@ void ServerSideNetworkHandler::handle(const RakNet::RakNetGUID& source, MovePlay
 	//LOGI("MovePlayerPacket\n");
 	if (Entity* entity = level->getEntity(packet->entityId))
 	{
-		
+		ServerPlayer* player = (ServerPlayer*) getPlayer(source);
-		entity->xd = entity->yd = entity->zd = 0;
-		entity->lerpTo(packet->x, packet->y, packet->z, packet->yRot, packet->xRot, 3);
 
-		// broadcast this packet to other clients
+		float vectorDist = sqrt( (packet->x - entity->x) * (packet->x - entity->x)  + 
-		redistributePacket(packet, source);
+									(packet->y - entity->y) * (packet->y - entity->y) +
+									(packet->z - entity->z) * (packet->z - entity->z));
+		float speed = vectorDist / (minecraft->getTicks() - player->lastMoveTicks);
+
+		if (speed < 2.5f) {
+			entity->xd = entity->yd = entity->zd = 0;
+			entity->lerpTo(packet->x, packet->y, packet->z, packet->yRot, packet->xRot, 3);
+		
+			// broadcast this packet to other clients
+			redistributePacket(packet, source);
+		}
+	
+		player->lastMoveTicks = minecraft->getTicks();
 	}
 }
 

src/server/ServerLevel.cpp

@@ -12,16 +12,19 @@ ServerLevel::ServerLevel(LevelStorage* levelStorage, const std::string& levelNam
 void ServerLevel::updateSleepingPlayerList() {
 	bool allPlayersWasSleeping = allPlayersAreSleeping;
 	allPlayersAreSleeping = !players.empty();
-	for(PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
+	
+	for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 		Player* player = *it;
-		if(!player->isSleeping()) {
+		
+		if (!player->isSleeping()) {
 			allPlayersAreSleeping = false;
 			break;
 		}
 	}
-	if(!allPlayersWasSleeping && allPlayersAreSleeping) {
+	if (!allPlayersWasSleeping && allPlayersAreSleeping) {
 		levelEvent(NULL, LevelEvent::ALL_PLAYERS_SLEEPING, 0, 0, 0, 0);
-		for(PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
+		
+		for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 			(*it)->setAllPlayersSleeping();
 		}
 	}
@@ -29,23 +32,26 @@ void ServerLevel::updateSleepingPlayerList() {
 
 void ServerLevel::awakenAllPlayers() {
 	allPlayersAreSleeping = false;
-	for(PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
+	
+	for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
 		Player* player = *it;
-		if(player->isSleeping()) {
+		
+		if (player->isSleeping()) {
 			player->stopSleepInBed(false, false, true);
 			player->health = Player::MAX_HEALTH;
 			player->lastHealth = Player::MAX_HEALTH; 
 		}
 	}
+	
 	SetHealthPacket packet(Player::MAX_HEALTH);
 	raknetInstance->send(packet);
 }
 
 bool ServerLevel::allPlayersSleeping() {
-	if(allPlayersAreSleeping && !isClientSide) {
+	if (allPlayersAreSleeping && !isClientSide) {
 		// all players are sleeping, but have they slept long enough?
-		for(PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
+		for (PlayerList::iterator it = players.begin(); it != players.end(); ++it) {
-			if(!(*it)->isSleepingLongEnough()) {
+			if (!(*it)->isSleepingLongEnough()) {
 				return false;
 			}
 		}
@@ -55,13 +61,17 @@ bool ServerLevel::allPlayersSleeping() {
 	return false;
 }
 
-void ServerLevel::tick(){
+void ServerLevel::tick() {
 	super::tick();
-	if(allPlayersSleeping()) {
+
+	if (allPlayersSleeping()) {
 		long newTime = levelData.getTime() + TICKS_PER_DAY;
+		
 		levelData.setTime(newTime - (newTime % TICKS_PER_DAY));
+		
 		SetTimePacket packet(levelData.getTime());
 		raknetInstance->send(packet);
+		
 		awakenAllPlayers();
 	}
 }

src/server/ServerPlayer.h

@@ -43,6 +43,11 @@ public:
 	virtual void stopSleepInBed(bool forcefulWakeUp, bool updateLevelList, bool saveRespawnPoint);
 
 	void completeUsingItem();
+	
+	// Getter and setter? Doesnt hear about that
+	// TODO: Getter and setter :trollface:
+	int lastMoveTicks = 0;
+	int ticksInAir = 0;
 private:
 	void nextContainerCounter();
 	void setContainerMenu( BaseContainerMenu* menu );