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1007 lines
44 KiB
Java
1007 lines
44 KiB
Java
package electrosphere.server.datacell.gridded;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.locks.ReentrantLock;
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import org.joml.Vector3d;
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import org.joml.Vector3i;
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import electrosphere.client.block.BlockChunkData;
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import electrosphere.engine.Globals;
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import electrosphere.entity.Entity;
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import electrosphere.entity.EntityCreationUtils;
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import electrosphere.entity.EntityUtils;
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import electrosphere.entity.ServerEntityUtils;
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import electrosphere.entity.state.server.ServerPlayerViewDirTree;
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import electrosphere.game.server.world.ServerWorldData;
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import electrosphere.logger.LoggerInterface;
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import electrosphere.net.parser.net.message.EntityMessage;
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import electrosphere.net.parser.net.message.TerrainMessage;
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import electrosphere.net.server.player.Player;
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import electrosphere.net.server.protocol.TerrainProtocol;
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import electrosphere.server.block.manager.ServerBlockManager;
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import electrosphere.server.content.ServerContentManager;
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import electrosphere.server.content.serialization.ContentSerialization;
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import electrosphere.server.datacell.Realm;
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import electrosphere.server.datacell.ServerDataCell;
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import electrosphere.server.datacell.interfaces.DataCellManager;
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import electrosphere.server.datacell.interfaces.VoxelCellManager;
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import electrosphere.server.datacell.physics.PhysicsDataCell;
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import electrosphere.server.fluid.manager.ServerFluidChunk;
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import electrosphere.server.fluid.manager.ServerFluidManager;
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import electrosphere.server.terrain.manager.ServerTerrainManager;
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import electrosphere.server.terrain.models.TerrainModel;
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import electrosphere.util.math.HashUtils;
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import electrosphere.server.terrain.manager.ServerTerrainChunk;
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/**
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* Implementation of DataCellManager that lays out cells in a logical grid (array). Useful for eg 3d terrain gridded world.
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*/
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public class GriddedDataCellManager implements DataCellManager, VoxelCellManager {
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/**
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* The minimum grid size allowed
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*/
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public static final int MIN_GRID_SIZE = 1;
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/**
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* The max grid size allowed
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*/
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public static final int MAX_GRID_SIZE = TerrainModel.MAX_MACRO_DATA_SIZE * TerrainModel.DEFAULT_MACRO_DATA_SCALE * ServerTerrainChunk.CHUNK_DIMENSION;
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/**
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* The number of frames without players that must pass before a server data cell is unloaded
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*/
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static final int UNLOAD_FRAME_THRESHOLD = 100;
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/**
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* Used for generating physics chunks
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*/
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static final ExecutorService generationService = Executors.newFixedThreadPool(4);
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/**
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* Tracks whether this manager has been flagged to unload cells or not
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*/
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boolean unloadCells = true;
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/**
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* These are going to be the natural ground grid of data cells, but we're going to have more than this
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*/
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Map<Long,ServerDataCell> groundDataCells = new HashMap<Long,ServerDataCell>();
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/**
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* Map of server cell to its world position
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*/
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Map<ServerDataCell,Vector3i> cellPositionMap = new HashMap<ServerDataCell,Vector3i>();
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/**
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* Map of server data cell to the number of frames said cell has had no players
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*/
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Map<ServerDataCell,Integer> cellPlayerlessFrameMap = new HashMap<ServerDataCell,Integer>();
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/**
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* Loaded cells
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*/
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ReentrantLock loadedCellsLock = new ReentrantLock();
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/**
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* Parent realm
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*/
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Realm parent;
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/**
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* The world data of the parent
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*/
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ServerWorldData serverWorldData;
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/**
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* Manager for terrain for this particular cell manager
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*/
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ServerTerrainManager serverTerrainManager;
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/**
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* Manager for fluids for this particular cell manager
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*/
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ServerFluidManager serverFluidManager;
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/**
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* Lock for terrain editing
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*/
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Semaphore terrainEditLock = new Semaphore(1);
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/**
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* Manager for getting entities to fill in a cell
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*/
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ServerContentManager serverContentManager;
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/**
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* Used for cleaning server data cells no longer in use from the realm
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*/
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Set<ServerDataCell> toCleanQueue = new HashSet<ServerDataCell>();
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/**
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* Map of world position key -> physics cell
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*/
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Map<Long,PhysicsDataCell> posPhysicsMap = new HashMap<Long,PhysicsDataCell>();
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/**
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* Number of data cells cleaned up in the most recent frame
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*/
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int numCleaned = 0;
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/**
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* Constructor
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* @param parent The gridded data cell manager's parent realm
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*/
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public GriddedDataCellManager(
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Realm parent
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) {
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this.parent = parent;
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this.serverWorldData = this.parent.getServerWorldData();
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this.serverTerrainManager = serverWorldData.getServerTerrainManager();
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this.serverFluidManager = serverWorldData.getServerFluidManager();
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this.serverContentManager = this.parent.getServerContentManager();
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//Assert the gridded data cell manager was given good data
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if(
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this.parent == null ||
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this.serverWorldData == null ||
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this.serverTerrainManager == null ||
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this.serverFluidManager == null ||
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this.serverContentManager == null
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){
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throw new IllegalStateException("Tried to create a GriddedDataCellManager with invalid parameters " +
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this.parent + " " +
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this.serverWorldData + " " +
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this.serverTerrainManager + " " +
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this.serverFluidManager + " " +
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this.serverContentManager + " "
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);
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}
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}
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/**
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* Adds a player to the realm that this manager controls. Should do this intelligently based on the player's location
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* @param player The player
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*/
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public void addPlayerToRealm(Player player){
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Globals.realmManager.setPlayerRealm(player, parent);
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int playerSimulationRadius = player.getSimulationRadius();
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Vector3i worldPos = player.getWorldPos();
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for(int x = worldPos.x - playerSimulationRadius; x < worldPos.x + playerSimulationRadius + 1; x++){
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for(int y = worldPos.y - playerSimulationRadius; y < worldPos.y + playerSimulationRadius + 1; y++){
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for(int z = worldPos.z - playerSimulationRadius; z < worldPos.z + playerSimulationRadius + 1; z++){
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if(this.canCreateCell(x, y, z) && this.shouldContainPlayer(new Vector3i(x,y,z), worldPos, playerSimulationRadius)){
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Vector3i targetPos = new Vector3i(x,y,z);
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LoggerInterface.loggerEngine.DEBUG("GriddedDataCellManager: Add player to " + x + " " + y + " " + z);
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loadedCellsLock.lock();
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if(groundDataCells.get(getServerDataCellKey(targetPos)) != null){
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groundDataCells.get(getServerDataCellKey(targetPos)).addPlayer(player);
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} else {
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LoggerInterface.loggerEngine.DEBUG("Creating new cell @ " + x + " " + y + " " + z);
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//create data cell
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this.createServerDataCell(targetPos);
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//add player
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groundDataCells.get(getServerDataCellKey(targetPos)).addPlayer(player);
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}
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loadedCellsLock.unlock();
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}
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}
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}
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}
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}
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/**
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* Moves a player to a new position
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* @param player The player
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* @param newPosition The new position
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*/
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public void movePlayer(Player player, Vector3i newPosition){
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int playerSimulationRadius = player.getSimulationRadius();
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player.setWorldPos(newPosition);
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for(ServerDataCell cell : this.groundDataCells.values()){
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Vector3i worldPos = this.getCellWorldPosition(cell);
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if(cell.containsPlayer(player) && !this.shouldContainPlayer(worldPos, newPosition, playerSimulationRadius)){
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cell.removePlayer(player);
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this.broadcastDestructionToPlayer(player, cell);
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if(cell.getScene().containsEntity(player.getPlayerEntity())){
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throw new Error(
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"Unregistering player from cell that contains player's entity!\n " +
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player + "\n " +
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worldPos + "\n " +
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player.getPlayerEntity() + "\n " +
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EntityUtils.getPosition(player.getPlayerEntity())
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);
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}
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}
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}
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for(int x = newPosition.x - playerSimulationRadius; x < newPosition.x + playerSimulationRadius + 1; x++){
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for(int y = newPosition.y - playerSimulationRadius; y < newPosition.y + playerSimulationRadius + 1; y++){
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for(int z = newPosition.x - playerSimulationRadius; z < newPosition.z + playerSimulationRadius + 1; z++){
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if(this.canCreateCell(x, y, z) && this.shouldContainPlayer(new Vector3i(x, y, z), newPosition, playerSimulationRadius)){
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Vector3i targetPos = new Vector3i(x,y,z);
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if(groundDataCells.get(this.getServerDataCellKey(targetPos)) != null){
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loadedCellsLock.lock();
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groundDataCells.get(this.getServerDataCellKey(targetPos)).addPlayer(player);
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loadedCellsLock.unlock();
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} else {
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loadedCellsLock.lock();
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//create data cell
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this.createServerDataCell(targetPos);
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//add player
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groundDataCells.get(this.getServerDataCellKey(targetPos)).addPlayer(player);
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loadedCellsLock.unlock();
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}
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}
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}
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}
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}
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}
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/**
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* Checks if a player should be contained in a cell
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* @param cellWorldPos The world position of the cell
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* @param playerPos The world position of the player
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* @param simRadius The simulation radius of the player
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* @return true if the player should be contained in the cell, false otherwise
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*/
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private boolean shouldContainPlayer(Vector3i cellWorldPos, Vector3i playerPos, int simRadius){
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return cellWorldPos.distance(playerPos) < simRadius;
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}
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/**
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* Checks if a cell can be created at the position
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* @param cellPos The position to check
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* @return true if a cell can be created at that position, false otherwise
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*/
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private boolean canCreateCell(Vector3i cellPos){
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return this.canCreateCell(cellPos.x, cellPos.y, cellPos.z);
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}
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/**
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* Checks if a cell can be created at the position
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* @return true if a cell can be created at that position, false otherwise
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*/
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private boolean canCreateCell(int x, int y, int z){
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return
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x >= 0 && x < this.serverWorldData.getWorldSizeDiscrete() &&
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y >= 0 && y < this.serverWorldData.getWorldSizeDiscrete() &&
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z >= 0 && z < this.serverWorldData.getWorldSizeDiscrete()
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;
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}
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/**
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* Broadcasts messages to player to destroy all entities in a given cell
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* @param player The player
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* @param cell The cell
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*/
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private void broadcastDestructionToPlayer(Player player, ServerDataCell cell){
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for(Entity entity : cell.getScene().getEntityList()){
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player.addMessage(EntityMessage.constructDestroyMessage(entity.getId()));
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}
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}
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/**
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* Creates physics entities when new data cell being created
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*/
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private void createTerrainPhysicsEntities(Vector3i worldPos){
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Long key = this.getServerDataCellKey(worldPos);
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loadedCellsLock.lock();
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if(posPhysicsMap.containsKey(key)){
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PhysicsDataCell cell = posPhysicsMap.get(key);
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cell.retireCell();
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}
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loadedCellsLock.unlock();
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//get data to generate with
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Vector3d realPos = new Vector3d(
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worldPos.x * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET,
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worldPos.y * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET,
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worldPos.z * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET
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);
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BlockChunkData blockChunkData = parent.getServerWorldData().getServerBlockManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
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ServerTerrainChunk terrainChunk = parent.getServerWorldData().getServerTerrainManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
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//create entities
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Entity blockEntity = EntityCreationUtils.createServerEntity(parent, realPos);
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Entity terrainEntity = EntityCreationUtils.createServerEntity(parent, realPos);
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//position entity
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//this needs to be called at the end of this function.
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//Burried underneath this is function call to initialize a server side entity.
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//The server initialization logic checks what type of entity this is, if this function is called prior to its type being stored
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//the server will not be able to synchronize it properly.
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ServerEntityUtils.initiallyPositionEntity(parent,blockEntity,realPos);
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ServerEntityUtils.initiallyPositionEntity(parent,terrainEntity,realPos);
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PhysicsDataCell cell = PhysicsDataCell.createPhysicsCell(worldPos, terrainEntity, blockEntity);
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cell.setTerrainChunk(terrainChunk);
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cell.setBlockChunk(blockChunkData);
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cell.generatePhysics();
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loadedCellsLock.lock();
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posPhysicsMap.put(key, cell);
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loadedCellsLock.unlock();
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}
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/**
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* For every player, looks at their entity and determines what data cell they should be considered inside of
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* @return True if the player changed cell, false otherwise
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*/
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public boolean updatePlayerPositions(){
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Globals.profiler.beginCpuSample("GriddedDataCellManager.updatePlayerPositions");
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boolean playerChangedChunk = false;
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for(Player player : Globals.playerManager.getPlayers()){
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Entity playerEntity = player.getPlayerEntity();
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if(playerEntity != null && !parent.getLoadingDataCell().containsPlayer(player)){
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Vector3d position = EntityUtils.getPosition(playerEntity);
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int currentWorldX = parent.getServerWorldData().convertRealToChunkSpace(position.x);
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int currentWorldY = parent.getServerWorldData().convertRealToChunkSpace(position.y);
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int currentWorldZ = parent.getServerWorldData().convertRealToChunkSpace(position.z);
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Vector3i newPosition = new Vector3i(currentWorldX,currentWorldY,currentWorldZ);
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player.setWorldPos(newPosition);
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int playerSimulationRadius = player.getSimulationRadius();
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//remove from cells that are out of range
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loadedCellsLock.lock();
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Globals.profiler.beginCpuSample("GriddedDataCellManager.updatePlayerPositions - Remove from old cells");
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for(ServerDataCell cell : this.groundDataCells.values()){
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Vector3i cellWorldPos = this.getCellWorldPosition(cell);
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if(cell.containsPlayer(player) && !this.shouldContainPlayer(cellWorldPos, newPosition, playerSimulationRadius)){
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if(cell.getScene().containsEntity(player.getPlayerEntity())){
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throw new Error("Trying to remove player from a cell that contains its entity!");
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}
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cell.removePlayer(player);
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this.broadcastDestructionToPlayer(player, cell);
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}
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}
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Globals.profiler.endCpuSample();
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loadedCellsLock.unlock();
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//Add to cells that are in range
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Globals.profiler.beginCpuSample("GriddedDataCellManager.updatePlayerPositions - Create new cells");
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for(int x = newPosition.x - playerSimulationRadius + 1; x < newPosition.x + playerSimulationRadius; x++){
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for(int y = newPosition.y - playerSimulationRadius + 1; y < newPosition.y + playerSimulationRadius; y++){
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for(int z = newPosition.z - playerSimulationRadius + 1; z < newPosition.z + playerSimulationRadius; z++){
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if(this.canCreateCell(x,y,z) && this.shouldContainPlayer(new Vector3i(x,y,z), newPosition, playerSimulationRadius)){
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Vector3i targetPos = new Vector3i(x,y,z);
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if(groundDataCells.get(this.getServerDataCellKey(targetPos)) != null){
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loadedCellsLock.lock();
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ServerDataCell cell = groundDataCells.get(this.getServerDataCellKey(targetPos));
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if(!cell.containsPlayer(player)){
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cell.addPlayer(player);
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}
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loadedCellsLock.unlock();
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} else {
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loadedCellsLock.lock();
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//create data cell
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this.createServerDataCell(targetPos);
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//add player
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groundDataCells.get(this.getServerDataCellKey(targetPos)).addPlayer(player);
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loadedCellsLock.unlock();
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}
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}
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}
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}
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}
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Globals.profiler.endCpuSample();
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}
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}
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Globals.profiler.endCpuSample();
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return playerChangedChunk;
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}
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/**
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* Unloads all chunks that haven't had players in them for a set amount of time
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*/
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public void unloadPlayerlessChunks(){
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Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks");
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if(this.unloadCells){
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//TODO: improve to make have less performance impact
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loadedCellsLock.lock();
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Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Increment cleaning time");
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for(ServerDataCell cell : this.groundDataCells.values()){
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if(cellPlayerlessFrameMap.containsKey(cell)){
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if(cell.isReady() && cell.getPlayers().size() < 1){
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int frameCount = cellPlayerlessFrameMap.get(cell) + 1;
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cellPlayerlessFrameMap.put(cell,frameCount);
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if(frameCount > UNLOAD_FRAME_THRESHOLD){
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toCleanQueue.add(cell);
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}
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} else {
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if(cellPlayerlessFrameMap.get(cell) > 0){
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cellPlayerlessFrameMap.put(cell, 0);
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}
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}
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}
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}
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Globals.profiler.endCpuSample();
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Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Deconstruct timed out cells");
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this.numCleaned = toCleanQueue.size();
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for(ServerDataCell cell : toCleanQueue){
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//error check before actually queueing for deletion
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boolean containsPlayerEntity = false;
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for(Entity entity : cell.getScene().getEntityList()){
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if(ServerPlayerViewDirTree.hasTree(entity)){
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containsPlayerEntity = true;
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break;
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// int playerId = CreatureUtils.getControllerPlayerId(entity);
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// Player player = Globals.playerManager.getPlayerFromId(playerId);
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// throw new Error(
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// "Trying to unload a player's entity! " +
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// "entity: " + entity + "\n" +
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// "entity pos (real): " + EntityUtils.getPosition(entity) + "\n" +
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// "entity pos (world): " + serverWorldData.convertRealToWorldSpace(EntityUtils.getPosition(entity)) + "\n" +
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// "chunk pos (world): " + worldPos + "\n" +
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// "player pos (world): " + player.getWorldPos() + "\n" +
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// "Number of players in cell: " + cell.getPlayers().size()
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// );
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}
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// ServerEntityUtils.destroyEntity(entity);
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}
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if(containsPlayerEntity){
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continue;
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}
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Vector3i worldPos = this.getCellWorldPosition(cell);
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Long key = this.getServerDataCellKey(worldPos);
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//entities are serialized before tracking is removed. This makes sure that any side effects from calling destroyEntity (ie if it looks up the chunk that we're deleting)
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//don't trigger the chunk to be re-created
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Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Serialize entities");
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ContentSerialization serializedEntities = ContentSerialization.constructContentSerialization(cell.getScene().getEntityList());
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Globals.profiler.endCpuSample();
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Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Destroy entities");
|
|
for(Entity entity : cell.getScene().getEntityList()){
|
|
ServerEntityUtils.destroyEntity(entity);
|
|
}
|
|
Globals.profiler.endCpuSample();
|
|
|
|
//save terrain to disk
|
|
//terrain is saved before tracking is removed. This makes sure that any side effects from calling savePositionToDisk (ie if it looks up the chunk that we're deleting)
|
|
//don't trigger the chunk to be re-created
|
|
Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Store data");
|
|
GriddedDataCellLoaderService.queueLocationBasedOperation(key, () -> {
|
|
serverContentManager.saveSerializationToDisk(key, serializedEntities);
|
|
serverTerrainManager.savePositionToDisk(worldPos);
|
|
});
|
|
Globals.profiler.endCpuSample();
|
|
|
|
//deregister from all tracking structures
|
|
parent.deregisterCell(cell);
|
|
groundDataCells.remove(key);
|
|
this.posPhysicsMap.remove(key);
|
|
this.cellPositionMap.remove(cell);
|
|
this.cellPlayerlessFrameMap.remove(cell);
|
|
}
|
|
Globals.profiler.endCpuSample();
|
|
loadedCellsLock.unlock();
|
|
toCleanQueue.clear();
|
|
}
|
|
Globals.profiler.endCpuSample();
|
|
}
|
|
|
|
/**
|
|
* Evicts all loaded chunks.
|
|
*/
|
|
public void evictAll(){
|
|
//TODO: improve to make have less performance impact
|
|
loadedCellsLock.lock();
|
|
for(ServerDataCell cell : this.groundDataCells.values()){
|
|
int frameCount = cellPlayerlessFrameMap.get(cell) + 1;
|
|
cellPlayerlessFrameMap.put(cell,frameCount);
|
|
toCleanQueue.add(cell);
|
|
}
|
|
for(ServerDataCell cell : toCleanQueue){
|
|
parent.deregisterCell(cell);
|
|
Vector3i worldPos = getCellWorldPosition(cell);
|
|
Long key = getServerDataCellKey(worldPos);
|
|
groundDataCells.remove(key);
|
|
this.posPhysicsMap.remove(key);
|
|
this.cellPositionMap.remove(cell);
|
|
this.cellPlayerlessFrameMap.remove(cell);
|
|
//offload all entities in cell to chunk file
|
|
serverContentManager.saveContentToDisk(key, cell.getScene().getEntityList());
|
|
//clear all entities in cell
|
|
for(Entity entity : cell.getScene().getEntityList()){
|
|
ServerEntityUtils.destroyEntity(entity);
|
|
}
|
|
}
|
|
loadedCellsLock.unlock();
|
|
this.serverTerrainManager.evictAll();
|
|
toCleanQueue.clear();
|
|
}
|
|
|
|
/**
|
|
* Get data cell at a given real point in this realm
|
|
* @param point The real point
|
|
* @return Either the data cell if found, or null if not found
|
|
*/
|
|
public ServerDataCell getDataCellAtPoint(Vector3d point){
|
|
ServerDataCell rVal = null;
|
|
int worldX = parent.getServerWorldData().convertRealToChunkSpace(point.x);
|
|
int worldY = parent.getServerWorldData().convertRealToChunkSpace(point.y);
|
|
int worldZ = parent.getServerWorldData().convertRealToChunkSpace(point.z);
|
|
Vector3i worldPos = new Vector3i(worldX,worldY,worldZ);
|
|
if(
|
|
//in bounds of array
|
|
worldX >= 0 && worldX < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
worldY >= 0 && worldY < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
worldZ >= 0 && worldZ < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
//isn't null
|
|
groundDataCells.get(getServerDataCellKey(worldPos)) != null
|
|
){
|
|
LoggerInterface.loggerEngine.DEBUG("Get server data cell key: " + this.getServerDataCellKey(worldPos));
|
|
rVal = groundDataCells.get(getServerDataCellKey(worldPos));
|
|
} else {
|
|
LoggerInterface.loggerEngine.DEBUG("Failed to get server data cell at: " + worldPos);
|
|
}
|
|
return rVal;
|
|
}
|
|
|
|
/**
|
|
* Tries to create a data cell at a given real point
|
|
* @param point The real point
|
|
* @return The data cell if created, null otherwise
|
|
*/
|
|
public ServerDataCell tryCreateCellAtPoint(Vector3d point){
|
|
int worldX = parent.getServerWorldData().convertRealToChunkSpace(point.x);
|
|
int worldY = parent.getServerWorldData().convertRealToChunkSpace(point.y);
|
|
int worldZ = parent.getServerWorldData().convertRealToChunkSpace(point.z);
|
|
Vector3i worldPos = new Vector3i(worldX,worldY,worldZ);
|
|
return tryCreateCellAtPoint(worldPos);
|
|
}
|
|
|
|
/**
|
|
* Tries to create a data cell at a given discrete point
|
|
* @param point The discrete point
|
|
* @return The data cell if created, null otherwise
|
|
*/
|
|
public ServerDataCell tryCreateCellAtPoint(Vector3i worldPos){
|
|
if(this.canCreateCell(worldPos) && groundDataCells.get(this.getServerDataCellKey(worldPos)) == null){
|
|
loadedCellsLock.lock();
|
|
//create data cell
|
|
this.createServerDataCell(worldPos);
|
|
loadedCellsLock.unlock();
|
|
} else if(groundDataCells.get(this.getServerDataCellKey(worldPos)) == null) {
|
|
LoggerInterface.loggerEngine.ERROR(
|
|
new Error(
|
|
"Trying to create data cell outside world bounds!\n" +
|
|
worldPos + "\n" +
|
|
this.serverWorldData.getWorldSizeDiscrete()
|
|
)
|
|
);
|
|
}
|
|
return groundDataCells.get(this.getServerDataCellKey(worldPos));
|
|
}
|
|
|
|
/**
|
|
* Gets a data cell at a given world position
|
|
* @param position The world position
|
|
* @return The data cell if found, null otherwise
|
|
*/
|
|
public ServerDataCell getCellAtWorldPosition(Vector3i position){
|
|
if(this.canCreateCell(position) && groundDataCells.get(this.getServerDataCellKey(position)) != null){
|
|
return groundDataCells.get(this.getServerDataCellKey(position));
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
/**
|
|
* Calls the simulate function on all loaded cells
|
|
*/
|
|
public void simulate(){
|
|
Globals.profiler.beginCpuSample("GriddedDataCellManager.simulate");
|
|
loadedCellsLock.lock();
|
|
boolean runMicroSim = Globals.microSimulation != null && Globals.microSimulation.isReady();
|
|
for(ServerDataCell cell : this.groundDataCells.values()){
|
|
if(runMicroSim && this.shouldSimulate(cell)){
|
|
Globals.microSimulation.simulate(cell);
|
|
}
|
|
|
|
//queue fluid simulation
|
|
if(Globals.RUN_FLUIDS){
|
|
Vector3i cellPos = this.getCellWorldPosition(cell);
|
|
if(cellPos != null){
|
|
this.serverFluidManager.queue(cellPos.x, cellPos.y, cellPos.z);
|
|
}
|
|
}
|
|
}
|
|
|
|
//simulate fluids
|
|
if(Globals.RUN_FLUIDS){
|
|
this.serverFluidManager.simulate((ServerFluidChunk fluidChunk) -> {
|
|
ServerDataCell cell = getCellAtWorldPosition(fluidChunk.getWorldPosition());
|
|
ServerFluidChunk chunk = getFluidChunkAtPosition(fluidChunk.getWorldPosition());
|
|
cell.broadcastNetworkMessage(
|
|
TerrainMessage.constructupdateFluidDataMessage(fluidChunk.getWorldX(), fluidChunk.getWorldY(), fluidChunk.getWorldZ(), TerrainProtocol.constructFluidByteBuffer(chunk).array())
|
|
);
|
|
});
|
|
}
|
|
|
|
loadedCellsLock.unlock();
|
|
this.unloadPlayerlessChunks();
|
|
this.updatePlayerPositions();
|
|
Globals.profiler.endCpuSample();
|
|
}
|
|
|
|
/**
|
|
* Checks if a server data cell should be simulated or not
|
|
* @param cell The cell
|
|
* @return true if it should be simulated, false otherwise
|
|
*/
|
|
private boolean shouldSimulate(ServerDataCell cell){
|
|
return cell.getPlayers().size() > 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets the server terrain manager for this realm if it exists
|
|
* @return The server terrain manager if it exists, null otherwise
|
|
*/
|
|
public ServerTerrainManager getServerTerrainManager(){
|
|
return serverTerrainManager;
|
|
}
|
|
|
|
/**
|
|
* Gets the server fluid manager for this realm if it exists
|
|
* @return The server fluid manager if it exists, null otherwise
|
|
*/
|
|
public ServerFluidManager getServerFluidManager(){
|
|
return serverFluidManager;
|
|
}
|
|
|
|
/**
|
|
* Runs code to generate physics entities and register cell in a dedicated thread.
|
|
* Because cell hasn't been registered yet, no simulation is performed until the physics is created.
|
|
* @param worldPos
|
|
*/
|
|
private static void runPhysicsGenerationThread(
|
|
Vector3i worldPos,
|
|
Long key,
|
|
PhysicsDataCell cell,
|
|
Map<Long, PhysicsDataCell> posPhysicsMap,
|
|
Map<Long, ServerDataCell> groundDataCells,
|
|
Realm realm
|
|
){
|
|
//get data to generate with
|
|
Vector3d realPos = new Vector3d(
|
|
worldPos.x * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET,
|
|
worldPos.y * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET,
|
|
worldPos.z * ServerTerrainChunk.CHUNK_PLACEMENT_OFFSET
|
|
);
|
|
ServerDataCell dataCell = groundDataCells.get(key);
|
|
|
|
//create entities
|
|
Entity blockEntity = EntityCreationUtils.createServerEntity(realm, realPos);
|
|
Entity terrainEntity = EntityCreationUtils.createServerEntity(realm, realPos);
|
|
|
|
//position entity
|
|
//this needs to be called at the end of this function.
|
|
//Burried underneath this is function call to initialize a server side entity.
|
|
//The server initialization logic checks what type of entity this is, if this function is called prior to its type being stored
|
|
//the server will not be able to synchronize it properly.
|
|
ServerEntityUtils.initiallyPositionEntity(realm,blockEntity,realPos);
|
|
ServerEntityUtils.initiallyPositionEntity(realm,terrainEntity,realPos);
|
|
|
|
PhysicsDataCell targetCell = PhysicsDataCell.createPhysicsCell(worldPos, terrainEntity, blockEntity);
|
|
if(cell == null){
|
|
posPhysicsMap.put(key, targetCell);
|
|
} else {
|
|
ServerEntityUtils.destroyEntity(terrainEntity);
|
|
ServerEntityUtils.destroyEntity(blockEntity);
|
|
}
|
|
|
|
generationService.submit(() -> {
|
|
BlockChunkData blockChunkData = realm.getServerWorldData().getServerBlockManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
|
|
ServerTerrainChunk terrainChunk = realm.getServerWorldData().getServerTerrainManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
|
|
targetCell.setTerrainChunk(terrainChunk);
|
|
targetCell.setBlockChunk(blockChunkData);
|
|
//create physics entities
|
|
if(cell != null){
|
|
cell.retireCell();
|
|
cell.generatePhysics();
|
|
} else {
|
|
targetCell.generatePhysics();
|
|
}
|
|
//set ready
|
|
dataCell.setReady(true);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Gets the key in the groundDataCells map for the data cell at the provided world pos
|
|
* @param worldPos The position in world coordinates of the server data cell
|
|
* @return The server data cell if it exists, otherwise null
|
|
*/
|
|
private Long getServerDataCellKey(Vector3i worldPos){
|
|
return (long)HashUtils.hashIVec(worldPos.x, worldPos.y, worldPos.z);
|
|
}
|
|
|
|
/**
|
|
* Registers a server data cell with the internal datastructure for tracking them
|
|
* @param key The key to register the cell at
|
|
* @param cell The cell itself
|
|
*/
|
|
private ServerDataCell createServerDataCell(Vector3i worldPos){
|
|
Globals.profiler.beginCpuSample("GriddedDataCellManager.createServerDataCell");
|
|
ServerDataCell rVal = parent.createNewCell();
|
|
Long cellKey = this.getServerDataCellKey(worldPos);
|
|
|
|
loadedCellsLock.lock();
|
|
groundDataCells.put(cellKey,rVal);
|
|
cellPlayerlessFrameMap.put(rVal,0);
|
|
LoggerInterface.loggerEngine.DEBUG("Create server data cell with key " + cellKey);
|
|
cellPositionMap.put(rVal,new Vector3i(worldPos));
|
|
loadedCellsLock.unlock();
|
|
|
|
Long key = this.getServerDataCellKey(worldPos);
|
|
//generate content
|
|
GriddedDataCellLoaderService.queueLocationBasedOperation(key, () -> {
|
|
serverContentManager.generateContentForDataCell(parent, worldPos, rVal, cellKey);
|
|
});
|
|
//generates physics for the cell in a dedicated thread then finally registers
|
|
loadedCellsLock.lock();
|
|
PhysicsDataCell cell = posPhysicsMap.get(key);
|
|
GriddedDataCellManager.runPhysicsGenerationThread(worldPos,key,cell,this.posPhysicsMap,this.groundDataCells,this.parent);
|
|
loadedCellsLock.unlock();
|
|
|
|
|
|
Globals.profiler.endCpuSample();
|
|
return rVal;
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Gets the weight of a single voxel at a position
|
|
* @param worldPosition The position in world coordinates of the chunk to grab data from
|
|
* @param voxelPosition The position in voxel coordinates (local/relative to the chunk) to get voxel values from
|
|
* @return The weight of the described voxel
|
|
*/
|
|
public float getVoxelWeightAtLocalPosition(Vector3i worldPosition, Vector3i voxelPosition) {
|
|
return serverTerrainManager.getChunk(worldPosition.x, worldPosition.y, worldPosition.z).getWeights()[voxelPosition.x][voxelPosition.y][voxelPosition.z];
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Gets the type of a single voxel at a position
|
|
* @param worldPosition The position in world coordinates of the chunk to grab data from
|
|
* @param voxelPosition The position in voxel coordinates (local/relative to the chunk) to get voxel values from
|
|
* @return The type of the described voxel
|
|
*/
|
|
public int getVoxelTypeAtLocalPosition(Vector3i worldPosition, Vector3i voxelPosition) {
|
|
return serverTerrainManager.getChunk(worldPosition.x, worldPosition.y, worldPosition.z).getValues()[voxelPosition.x][voxelPosition.y][voxelPosition.z];
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Gets the chunk data at a given world position
|
|
* @param worldPosition The position in world coordinates
|
|
* @return The ServerTerrainChunk of data at that position, or null if it is out of bounds or otherwise doesn't exist
|
|
*/
|
|
public ServerTerrainChunk getChunkAtPosition(Vector3i worldPosition) {
|
|
return serverTerrainManager.getChunk(worldPosition.x, worldPosition.y, worldPosition.z);
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Edits a single voxel
|
|
* @param worldPosition The world position of the chunk to edit
|
|
* @param voxelPosition The voxel position of the voxel to edit
|
|
* @param weight The weight to set the voxel to
|
|
* @param type The type to set the voxel to
|
|
*/
|
|
public void editChunk(Vector3i worldPosition, Vector3i voxelPosition, float weight, int type) {
|
|
terrainEditLock.acquireUninterruptibly();
|
|
List<Vector3i> worldPositionsToUpdate = new LinkedList<Vector3i>();
|
|
worldPositionsToUpdate.add(worldPosition);
|
|
if(voxelPosition.x < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(1,0,0));
|
|
if(voxelPosition.y < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(1,1,0));
|
|
if(voxelPosition.z < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(1,1,1));
|
|
}
|
|
}
|
|
if(voxelPosition.z < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(1,0,1));
|
|
}
|
|
}
|
|
if(voxelPosition.y < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(0,1,0));
|
|
if(voxelPosition.z < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(0,1,1));
|
|
}
|
|
}
|
|
if(voxelPosition.z < 1){
|
|
worldPositionsToUpdate.add(new Vector3i(worldPosition).sub(0,0,1));
|
|
}
|
|
//update all loaded cells
|
|
for(Vector3i toUpdate : worldPositionsToUpdate){
|
|
if(
|
|
toUpdate.x >= 0 && toUpdate.x < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
toUpdate.y >= 0 && toUpdate.y < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
toUpdate.z >= 0 && toUpdate.z < this.serverWorldData.getWorldSizeDiscrete()
|
|
){
|
|
//update terrain
|
|
int localVoxelX = voxelPosition.x + (ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE - 1) * (worldPosition.x - toUpdate.x);
|
|
int localVoxelY = voxelPosition.y + (ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE - 1) * (worldPosition.y - toUpdate.y);
|
|
int localVoxelZ = voxelPosition.z + (ServerTerrainChunk.CHUNK_DATA_GENERATOR_SIZE - 1) * (worldPosition.z - toUpdate.z);
|
|
serverTerrainManager.deformTerrainAtLocationToValue(toUpdate, new Vector3i(localVoxelX, localVoxelY, localVoxelZ), weight, type);
|
|
|
|
//update anything loaded
|
|
this.loadedCellsLock.lock();
|
|
ServerDataCell cell = groundDataCells.get(this.getServerDataCellKey(toUpdate));
|
|
if(cell != null){
|
|
//update physics
|
|
this.createTerrainPhysicsEntities(toUpdate);
|
|
|
|
//broadcast update
|
|
cell.broadcastNetworkMessage(TerrainMessage.constructUpdateVoxelMessage(
|
|
toUpdate.x, toUpdate.y, toUpdate.z,
|
|
localVoxelX, localVoxelY, localVoxelZ,
|
|
weight, type));
|
|
}
|
|
this.loadedCellsLock.unlock();
|
|
}
|
|
}
|
|
terrainEditLock.release();
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets the world position of a given data cell
|
|
* @param cell The data cell
|
|
* @return The world position
|
|
*/
|
|
public Vector3i getCellWorldPosition(ServerDataCell cell){
|
|
return cellPositionMap.get(cell);
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Gets the fluid chunk at a given position
|
|
*/
|
|
public ServerFluidChunk getFluidChunkAtPosition(Vector3i worldPosition) {
|
|
return serverFluidManager.getChunk(worldPosition.x, worldPosition.y, worldPosition.z);
|
|
}
|
|
|
|
/**
|
|
* Loads all cells
|
|
*/
|
|
public void loadAllCells(){
|
|
this.unloadCells = false;
|
|
for(int x = 0; x < this.serverWorldData.getWorldSizeDiscrete(); x++){
|
|
for(int y = 0; y < this.serverWorldData.getWorldSizeDiscrete(); y++){
|
|
for(int z = 0; z < this.serverWorldData.getWorldSizeDiscrete(); z++){
|
|
this.tryCreateCellAtPoint(new Vector3i(x,y,z));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void save(String saveName) {
|
|
for(ServerDataCell cell : this.groundDataCells.values()){
|
|
Long key = this.getServerDataCellKey(this.getCellWorldPosition(cell));
|
|
//offload all entities in cell to chunk file
|
|
serverContentManager.saveContentToDisk(key, cell.getScene().getEntityList());
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public Vector3d guaranteePositionIsInBounds(Vector3d positionToTest) {
|
|
Vector3d returnPos = new Vector3d(positionToTest);
|
|
if(positionToTest.x < 0){
|
|
returnPos.x = 0;
|
|
}
|
|
if(positionToTest.x >= parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
|
|
returnPos.x = parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete()) - 1;
|
|
}
|
|
if(positionToTest.y < 0){
|
|
returnPos.y = 0;
|
|
}
|
|
if(positionToTest.y >= parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
|
|
returnPos.y = parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete()) - 1;
|
|
}
|
|
if(positionToTest.z < 0){
|
|
returnPos.z = 0;
|
|
}
|
|
if(positionToTest.z >= parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
|
|
returnPos.z = parent.getServerWorldData().convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete()) - 1;
|
|
}
|
|
return returnPos;
|
|
}
|
|
|
|
/**
|
|
* Stops the executor service
|
|
*/
|
|
public void halt(){
|
|
generationService.shutdownNow();
|
|
GriddedDataCellLoaderService.ioThreadService.shutdownNow();
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Gets the block chunk data at a given world position
|
|
*/
|
|
public BlockChunkData getBlocksAtPosition(Vector3i worldPosition) {
|
|
return this.serverWorldData.getServerBlockManager().getChunk(worldPosition.x, worldPosition.y, worldPosition.z);
|
|
}
|
|
|
|
@Override
|
|
/**
|
|
* Edits a block chunk in the world
|
|
*/
|
|
public void editBlock(Vector3i worldPosition, Vector3i voxelPosition, short type, short metadata) {
|
|
terrainEditLock.acquireUninterruptibly();
|
|
if(
|
|
worldPosition.x >= 0 && worldPosition.x < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
worldPosition.y >= 0 && worldPosition.y < this.serverWorldData.getWorldSizeDiscrete() &&
|
|
worldPosition.z >= 0 && worldPosition.z < this.serverWorldData.getWorldSizeDiscrete()
|
|
){
|
|
ServerBlockManager serverBlockManager = this.serverWorldData.getServerBlockManager();
|
|
//update terrain
|
|
int localVoxelX = voxelPosition.x;
|
|
int localVoxelY = voxelPosition.y;
|
|
int localVoxelZ = voxelPosition.z;
|
|
serverBlockManager.editBlockAtLocationToValue(worldPosition, voxelPosition, type, metadata);
|
|
|
|
//update anything loaded
|
|
this.loadedCellsLock.lock();
|
|
ServerDataCell cell = groundDataCells.get(this.getServerDataCellKey(worldPosition));
|
|
if(cell != null){
|
|
//update physics
|
|
this.createTerrainPhysicsEntities(worldPosition);
|
|
|
|
//broadcast update
|
|
cell.broadcastNetworkMessage(TerrainMessage.constructUpdateBlockMessage(
|
|
worldPosition.x, worldPosition.y, worldPosition.z,
|
|
localVoxelX, localVoxelY, localVoxelZ,
|
|
type, metadata
|
|
));
|
|
}
|
|
this.loadedCellsLock.unlock();
|
|
}
|
|
terrainEditLock.release();
|
|
}
|
|
|
|
/**
|
|
* Gets the set of loaded cells
|
|
* @return The set of loaded cells
|
|
*/
|
|
public Collection<ServerDataCell> getLoadedCells(){
|
|
return Collections.unmodifiableCollection(this.groundDataCells.values());
|
|
}
|
|
|
|
/**
|
|
* Gets the number of cells cleaned in the most recent frame
|
|
* @return The number of cells cleaned
|
|
*/
|
|
public int getNumCleaned(){
|
|
return this.numCleaned;
|
|
}
|
|
|
|
/**
|
|
* Gets the playerless cell->frame count map
|
|
* @return The playerless cell->frame count map
|
|
*/
|
|
public Map<ServerDataCell,Integer> getCellPlayerlessFrameMap(){
|
|
return cellPlayerlessFrameMap;
|
|
}
|
|
|
|
}
|