1141 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			1141 lines
		
	
	
		
			50 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.client.terrain.data.TerrainChunkData;
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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.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.datacell.Realm;
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import electrosphere.server.datacell.ServerDataCell;
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import electrosphere.server.datacell.ServerWorldData;
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import electrosphere.server.datacell.interfaces.DataCellManager;
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import electrosphere.server.datacell.interfaces.PathfindingManager;
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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.entity.ServerContentManager;
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import electrosphere.server.entity.serialization.ContentSerialization;
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import electrosphere.server.pathfinding.NavMeshConstructor;
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import electrosphere.server.physics.block.manager.ServerBlockManager;
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import electrosphere.server.physics.fluid.manager.ServerFluidChunk;
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import electrosphere.server.physics.fluid.manager.ServerFluidManager;
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import electrosphere.server.physics.terrain.manager.ServerChunkCache;
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import electrosphere.server.physics.terrain.manager.ServerTerrainChunk;
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import electrosphere.server.physics.terrain.manager.ServerTerrainManager;
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import electrosphere.server.physics.terrain.models.TerrainModel;
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import electrosphere.util.math.HashUtils;
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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, PathfindingManager {
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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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     * The distance at which simulation is queued
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     */
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    static final double SIMULATION_DISTANCE_CUTOFF = 5;
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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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     * A map of ServerDataCell->GriddedDataCellTrackingData
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     */
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    Map<ServerDataCell,GriddedDataCellTrackingData> cellTrackingMap = new HashMap<ServerDataCell,GriddedDataCellTrackingData>();
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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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     * Queue of cells that need to have their physics regenerated (ie on block edits)
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     */
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    Map<Long,Vector3i> physicsQueue = new HashMap<Long,Vector3i>();
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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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        Vector3i tempVec = new Vector3i();
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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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                    tempVec.set(x,y,z);
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                    double distance = this.calcDistance(tempVec, worldPos);
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                    if(this.canCreateCell(x, y, z) && this.shouldContainPlayer(distance, playerSimulationRadius)){
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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(this.getServerDataCellKey(tempVec)) != null){
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                            groundDataCells.get(this.getServerDataCellKey(tempVec)).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(tempVec);
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                            //add player
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                            groundDataCells.get(this.getServerDataCellKey(tempVec)).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(this.calcDistance(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(this.calcDistance(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(double distance, int simRadius){
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        return distance < simRadius;
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    }
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    /**
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     * Calculates the distance from the player to the cell
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     * @param playerPos The player
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     * @param cellWorldPos The cell
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     * @return The distance
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     */
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    public double calcDistance(Vector3i playerPos, Vector3i cellWorldPos){
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        return cellWorldPos.distance(playerPos);
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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, ServerChunkCache.STRIDE_FULL_RES);
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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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        //create pathfinding mesh
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        TerrainChunkData terrainMeshData = cell.getTerrainChunkData();
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        ServerDataCell serverDataCell = this.groundDataCells.get(key);
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        GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(serverDataCell);
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        if(terrainMeshData.getVertices().length > 0){
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            trackingData.setNavMeshData(NavMeshConstructor.constructNavmesh(terrainMeshData));
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        }
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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 - Reset chunk distances");
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        loadedCellsLock.lock();
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        for(ServerDataCell cell : this.groundDataCells.values()){
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            GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(cell);
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            trackingData.setClosestPlayer(GriddedDataCellTrackingData.REALLY_LARGE_DISTANCE);
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        }
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        loadedCellsLock.unlock();
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        Globals.profiler.endCpuSample();
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        Globals.profiler.beginCpuSample("GriddedDataCellManager.updatePlayerPositions - Actually update player positions");
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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 = ServerWorldData.convertRealToChunkSpace(position.x);
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                int currentWorldY = ServerWorldData.convertRealToChunkSpace(position.y);
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                int currentWorldZ = ServerWorldData.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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                    GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(cell);
 | 
						|
                    Vector3i cellWorldPos = this.getCellWorldPosition(cell);
 | 
						|
                    double distance = this.calcDistance(cellWorldPos, newPosition);
 | 
						|
                    if(distance < trackingData.getClosestPlayer()){
 | 
						|
                        trackingData.setClosestPlayer(distance);
 | 
						|
                    }
 | 
						|
                    if(cell.containsPlayer(player) && !this.shouldContainPlayer(distance, playerSimulationRadius)){
 | 
						|
                        if(cell.getScene().containsEntity(player.getPlayerEntity())){
 | 
						|
                            throw new Error("Trying to remove player from a cell that contains its entity!");
 | 
						|
                        }
 | 
						|
                        cell.removePlayer(player);
 | 
						|
                        this.broadcastDestructionToPlayer(player, cell);
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                Globals.profiler.endCpuSample();
 | 
						|
                loadedCellsLock.unlock();
 | 
						|
 | 
						|
                //Add to cells that are in range
 | 
						|
                Globals.profiler.beginCpuSample("GriddedDataCellManager.updatePlayerPositions - Create new cells");
 | 
						|
                Vector3i tempVec = new Vector3i();
 | 
						|
                for(int x = newPosition.x - playerSimulationRadius + 1; x < newPosition.x + playerSimulationRadius; x++){
 | 
						|
                    for(int y = newPosition.y - playerSimulationRadius + 1; y < newPosition.y + playerSimulationRadius; y++){
 | 
						|
                        for(int z = newPosition.z - playerSimulationRadius + 1; z < newPosition.z + playerSimulationRadius; z++){
 | 
						|
                            tempVec.set(x,y,z);
 | 
						|
                            double distance = this.calcDistance(tempVec, newPosition);
 | 
						|
                            if(this.canCreateCell(x,y,z) && this.shouldContainPlayer(distance, playerSimulationRadius)){
 | 
						|
                                if(groundDataCells.get(this.getServerDataCellKey(tempVec)) != null){
 | 
						|
                                    loadedCellsLock.lock();
 | 
						|
                                    ServerDataCell cell = groundDataCells.get(this.getServerDataCellKey(tempVec));
 | 
						|
                                    if(!cell.containsPlayer(player)){
 | 
						|
                                        cell.addPlayer(player);
 | 
						|
                                    }
 | 
						|
                                    loadedCellsLock.unlock();
 | 
						|
                                } else {
 | 
						|
                                    loadedCellsLock.lock();
 | 
						|
                                    //create data cell
 | 
						|
                                    this.createServerDataCell(tempVec);
 | 
						|
                                    //add player
 | 
						|
                                    groundDataCells.get(this.getServerDataCellKey(tempVec)).addPlayer(player);
 | 
						|
                                    loadedCellsLock.unlock();
 | 
						|
                                }
 | 
						|
                            }
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
                Globals.profiler.endCpuSample();
 | 
						|
            }
 | 
						|
        }
 | 
						|
        Globals.profiler.endCpuSample();
 | 
						|
        return playerChangedChunk;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * Unloads all chunks that haven't had players in them for a set amount of time
 | 
						|
     */
 | 
						|
    public void unloadPlayerlessChunks(){
 | 
						|
        Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks");
 | 
						|
        if(this.unloadCells){
 | 
						|
            //TODO: improve to make have less performance impact
 | 
						|
            loadedCellsLock.lock();
 | 
						|
            Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Increment cleaning time");
 | 
						|
            for(ServerDataCell cell : this.groundDataCells.values()){
 | 
						|
                if(cellPlayerlessFrameMap.containsKey(cell)){
 | 
						|
                    if(cell.isReady() && cell.getPlayers().size() < 1){
 | 
						|
                        int frameCount = cellPlayerlessFrameMap.get(cell) + 1;
 | 
						|
                        cellPlayerlessFrameMap.put(cell,frameCount);
 | 
						|
                        if(frameCount > UNLOAD_FRAME_THRESHOLD){
 | 
						|
                            toCleanQueue.add(cell);
 | 
						|
                        }
 | 
						|
                    } else {
 | 
						|
                        if(cellPlayerlessFrameMap.get(cell) > 0){
 | 
						|
                            cellPlayerlessFrameMap.put(cell, 0);
 | 
						|
                        }
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            Globals.profiler.endCpuSample();
 | 
						|
            Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Deconstruct timed out cells");
 | 
						|
            this.numCleaned = toCleanQueue.size();
 | 
						|
            for(ServerDataCell cell : toCleanQueue){
 | 
						|
                //error check before actually queueing for deletion
 | 
						|
                boolean containsPlayerEntity = false;
 | 
						|
                for(Entity entity : cell.getScene().getEntityList()){
 | 
						|
                    if(ServerPlayerViewDirTree.hasTree(entity)){
 | 
						|
                        containsPlayerEntity = true;
 | 
						|
                        break;
 | 
						|
                        // int playerId = CreatureUtils.getControllerPlayerId(entity);
 | 
						|
                        // Player player = Globals.playerManager.getPlayerFromId(playerId);
 | 
						|
                        // throw new Error(
 | 
						|
                        //     "Trying to unload a player's entity! " +
 | 
						|
                        //     "entity: " + entity + "\n" +
 | 
						|
                        //     "entity pos  (real): " + EntityUtils.getPosition(entity) + "\n" +
 | 
						|
                        //     "entity pos (world): " + serverWorldData.convertRealToWorldSpace(EntityUtils.getPosition(entity)) + "\n" +
 | 
						|
                        //     "chunk  pos (world): " + worldPos + "\n" +
 | 
						|
                        //     "player pos (world): " + player.getWorldPos() + "\n" +
 | 
						|
                        //     "Number of players in cell: " + cell.getPlayers().size()
 | 
						|
                        // );
 | 
						|
                    }
 | 
						|
                    // ServerEntityUtils.destroyEntity(entity);
 | 
						|
                }
 | 
						|
                if(containsPlayerEntity){
 | 
						|
                    continue;
 | 
						|
                }
 | 
						|
 | 
						|
 | 
						|
                Vector3i worldPos = this.getCellWorldPosition(cell);
 | 
						|
                Long key = this.getServerDataCellKey(worldPos);
 | 
						|
                //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)
 | 
						|
                //don't trigger the chunk to be re-created
 | 
						|
                Globals.profiler.beginCpuSample("GriddedDataCellManager.unloadPlayerlessChunks - Serialize entities");
 | 
						|
                ContentSerialization serializedEntities = ContentSerialization.constructContentSerialization(cell.getScene().getEntityList());
 | 
						|
                Globals.profiler.endCpuSample();
 | 
						|
 | 
						|
 | 
						|
                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.cellTrackingMap.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 = this.getCellWorldPosition(cell);
 | 
						|
            Long key = getServerDataCellKey(worldPos);
 | 
						|
            groundDataCells.remove(key);
 | 
						|
            this.posPhysicsMap.remove(key);
 | 
						|
            this.cellPositionMap.remove(cell);
 | 
						|
            this.cellPlayerlessFrameMap.remove(cell);
 | 
						|
            this.cellTrackingMap.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 = ServerWorldData.convertRealToChunkSpace(point.x);
 | 
						|
        int worldY = ServerWorldData.convertRealToChunkSpace(point.y);
 | 
						|
        int worldZ = ServerWorldData.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 = ServerWorldData.convertRealToChunkSpace(point.x);
 | 
						|
        int worldY = ServerWorldData.convertRealToChunkSpace(point.y);
 | 
						|
        int worldZ = ServerWorldData.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();
 | 
						|
 | 
						|
 | 
						|
        //regenerate physics where relevant
 | 
						|
        terrainEditLock.acquireUninterruptibly();
 | 
						|
        if(physicsQueue.size() > 0){
 | 
						|
            for(Vector3i pos : physicsQueue.values()){
 | 
						|
                this.createTerrainPhysicsEntities(pos);
 | 
						|
            }
 | 
						|
            physicsQueue.clear();
 | 
						|
        }
 | 
						|
        terrainEditLock.release();
 | 
						|
 | 
						|
 | 
						|
        //micro simulation
 | 
						|
        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){
 | 
						|
        GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(cell);
 | 
						|
        return cell.getPlayers().size() > 0 && trackingData.getClosestPlayer() < SIMULATION_DISTANCE_CUTOFF;
 | 
						|
    }
 | 
						|
 | 
						|
 | 
						|
    /**
 | 
						|
     * 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,
 | 
						|
        Map<ServerDataCell,GriddedDataCellTrackingData> cellTrackingMap,
 | 
						|
        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);
 | 
						|
        }
 | 
						|
 | 
						|
        //get advanced tracking data for the data cell
 | 
						|
        GriddedDataCellTrackingData trackingData = cellTrackingMap.get(dataCell);
 | 
						|
 | 
						|
        generationService.submit(() -> {
 | 
						|
            try {
 | 
						|
                BlockChunkData blockChunkData = realm.getServerWorldData().getServerBlockManager().getChunk(worldPos.x, worldPos.y, worldPos.z);
 | 
						|
                ServerTerrainChunk terrainChunk = realm.getServerWorldData().getServerTerrainManager().getChunk(worldPos.x, worldPos.y, worldPos.z, ServerChunkCache.STRIDE_FULL_RES);
 | 
						|
                targetCell.setTerrainChunk(terrainChunk);
 | 
						|
                targetCell.setBlockChunk(blockChunkData);
 | 
						|
 | 
						|
                TerrainChunkData terrainMeshData;
 | 
						|
                //create physics entities
 | 
						|
                if(cell != null){
 | 
						|
                    cell.retireCell();
 | 
						|
                    cell.generatePhysics();
 | 
						|
                    terrainMeshData = cell.getTerrainChunkData();
 | 
						|
                } else {
 | 
						|
                    targetCell.generatePhysics();
 | 
						|
                    terrainMeshData = targetCell.getTerrainChunkData();
 | 
						|
                }
 | 
						|
 | 
						|
                //create pathfinding mesh
 | 
						|
                if(terrainMeshData.getVertices().length > 0){
 | 
						|
                    trackingData.setNavMeshData(NavMeshConstructor.constructNavmesh(terrainMeshData));
 | 
						|
                }
 | 
						|
 | 
						|
                //set ready
 | 
						|
                dataCell.setReady(true);
 | 
						|
            } catch(Exception ex){
 | 
						|
                LoggerInterface.loggerEngine.ERROR(ex);
 | 
						|
            } catch (Error ex){
 | 
						|
                LoggerInterface.loggerEngine.ERROR(ex);
 | 
						|
            }
 | 
						|
        });
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * 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();
 | 
						|
        Vector3i localWorldPos = new Vector3i(worldPos);
 | 
						|
        Long cellKey = this.getServerDataCellKey(localWorldPos);
 | 
						|
 | 
						|
        loadedCellsLock.lock();
 | 
						|
        groundDataCells.put(cellKey,rVal);
 | 
						|
        cellPlayerlessFrameMap.put(rVal,0);
 | 
						|
        LoggerInterface.loggerEngine.DEBUG("Create server data cell with key " + cellKey);
 | 
						|
        cellPositionMap.put(rVal,localWorldPos);
 | 
						|
        GriddedDataCellTrackingData trackingData = new GriddedDataCellTrackingData();
 | 
						|
        this.cellTrackingMap.put(rVal,trackingData);
 | 
						|
        loadedCellsLock.unlock();
 | 
						|
 | 
						|
        Long key = this.getServerDataCellKey(localWorldPos);
 | 
						|
        //generate content
 | 
						|
        GriddedDataCellLoaderService.queueLocationBasedOperation(key, () -> {
 | 
						|
            serverContentManager.generateContentForDataCell(parent, localWorldPos, rVal, cellKey);
 | 
						|
        });
 | 
						|
        //generates physics for the cell in a dedicated thread then finally registers
 | 
						|
        loadedCellsLock.lock();
 | 
						|
        PhysicsDataCell cell = posPhysicsMap.get(key);
 | 
						|
        GriddedDataCellManager.runPhysicsGenerationThread(localWorldPos,key,cell,this.posPhysicsMap,this.groundDataCells,this.cellTrackingMap,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, ServerChunkCache.STRIDE_FULL_RES).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, ServerChunkCache.STRIDE_FULL_RES).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, ServerChunkCache.STRIDE_FULL_RES);
 | 
						|
    }
 | 
						|
 | 
						|
    @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 >= ServerWorldData.convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
 | 
						|
            returnPos.x = ServerWorldData.convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete()) - 1;
 | 
						|
        }
 | 
						|
        if(positionToTest.y < 0){
 | 
						|
            returnPos.y = 0;
 | 
						|
        }
 | 
						|
        if(positionToTest.y >= ServerWorldData.convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
 | 
						|
            returnPos.y = ServerWorldData.convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete()) - 1;
 | 
						|
        }
 | 
						|
        if(positionToTest.z < 0){
 | 
						|
            returnPos.z = 0;
 | 
						|
        }
 | 
						|
        if(positionToTest.z >= ServerWorldData.convertChunkToRealSpace(parent.getServerWorldData().getWorldSizeDiscrete())){
 | 
						|
            returnPos.z = ServerWorldData.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
 | 
						|
                long key = this.getServerDataCellKey(worldPosition);
 | 
						|
                if(!this.physicsQueue.containsKey(key)){
 | 
						|
                    this.physicsQueue.put(key,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;
 | 
						|
    }
 | 
						|
 | 
						|
    @Override
 | 
						|
    public List<Vector3d> findPath(Vector3d start, Vector3d end) {
 | 
						|
        throw new UnsupportedOperationException("Unimplemented method 'findPath'");
 | 
						|
    }
 | 
						|
 | 
						|
    /**
 | 
						|
     * Prints information about the provided server data cell
 | 
						|
     * @param serverDataCell The cell
 | 
						|
     */
 | 
						|
    public void printCellInfo(ServerDataCell serverDataCell){
 | 
						|
        LoggerInterface.loggerEngine.WARNING("Number of players: " + serverDataCell.getPlayers().size());
 | 
						|
        GriddedDataCellTrackingData trackingData = this.cellTrackingMap.get(serverDataCell);
 | 
						|
        if(trackingData == null){
 | 
						|
            LoggerInterface.loggerEngine.WARNING("No tracking data for this cell in the gridded data cell manager");
 | 
						|
        } else {
 | 
						|
            LoggerInterface.loggerEngine.WARNING("Closest player distance: " + trackingData.getClosestPlayer());
 | 
						|
        }
 | 
						|
        LoggerInterface.loggerEngine.WARNING("Should simulate: " + this.shouldSimulate(serverDataCell));
 | 
						|
        LoggerInterface.loggerEngine.WARNING("Cell is ready: " + serverDataCell.isReady());
 | 
						|
    }
 | 
						|
 | 
						|
    @Override
 | 
						|
    public Collection<Entity> entityLookup(Vector3d pos, double radius) {
 | 
						|
        List<Entity> rVal = new LinkedList<Entity>();
 | 
						|
        this.loadedCellsLock.lock();
 | 
						|
        for(ServerDataCell cell : this.groundDataCells.values()){
 | 
						|
            if(ServerWorldData.convertChunkToRealSpace(this.getCellWorldPosition(cell)).distance(pos) > radius){
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
            rVal.addAll(cell.getScene().getEntityList());
 | 
						|
        }
 | 
						|
        this.loadedCellsLock.unlock();
 | 
						|
        return rVal;
 | 
						|
    }
 | 
						|
 | 
						|
}
 |