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929 lines
34 KiB
Java
929 lines
34 KiB
Java
package electrosphere.client.terrain.foliage;
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import java.util.HashMap;
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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 org.joml.Vector3d;
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import org.joml.Vector3i;
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import electrosphere.client.terrain.cache.ChunkData;
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import electrosphere.engine.Globals;
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import electrosphere.entity.EntityUtils;
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import electrosphere.game.data.foliage.type.FoliageType;
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import electrosphere.logger.LoggerInterface;
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import electrosphere.server.terrain.manager.ServerTerrainChunk;
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import electrosphere.util.ds.octree.WorldOctTree;
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import electrosphere.util.ds.octree.WorldOctTree.WorldOctTreeNode;
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import electrosphere.util.math.GeomUtils;
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/**
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* Manages foliage cells on the client
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*/
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public class FoliageCellManager {
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/**
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* If moved this many cells in 1 frame, completely bust meta cells
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*/
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public static final int TELEPORT_DISTANCE = 5000;
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/**
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* Number of times to try updating per frame. Lower this to reduce lag but slow down terrain mesh generation.
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*/
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static final int UPDATE_ATTEMPTS_PER_FRAME = 3;
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/**
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* The number of generation attempts before a cell is marked as having not requested its data
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*/
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static final int FAILED_GENERATION_ATTEMPT_THRESHOLD = 250;
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/**
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* The distance to foliage at full resolution
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*/
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public static final double FULL_RES_DIST = 16;
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/**
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* The distance for half resolution
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*/
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public static final double HALF_RES_DIST = 20;
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/**
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* The distance for quarter resolution
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*/
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public static final double QUARTER_RES_DIST = 16;
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/**
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* The distance for eighth resolution
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*/
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public static final double EIGHTH_RES_DIST = 24;
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/**
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* The distance for sixteenth resolution
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*/
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public static final double SIXTEENTH_RES_DIST = 64;
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/**
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* Lod value for a full res chunk
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*/
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public static final int FULL_RES_LOD = 0;
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/**
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* Lod value for a half res chunk
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*/
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public static final int HALF_RES_LOD = 1;
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/**
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* Lod value for a quarter res chunk
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*/
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public static final int QUARTER_RES_LOD = 2;
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/**
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* Lod value for a eighth res chunk
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*/
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public static final int EIGHTH_RES_LOD = 3;
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/**
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* Lod value for a sixteenth res chunk
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*/
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public static final int SIXTEENTH_RES_LOD = 4;
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/**
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* Lod value for evaluating all lod levels
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*/
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public static final int ALL_RES_LOD = 5;
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/**
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* Lod value for busting up meta cells
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*/
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public static final int BUST_META_CELLS = 40;
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/**
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* The octree holding all the chunks to evaluate
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*/
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WorldOctTree<FoliageCell> chunkTree;
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/**
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* Tracks what nodes have been evaluated this frame -- used to deduplicate evaluation calls
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*/
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Map<WorldOctTreeNode<FoliageCell>,Boolean> evaluationMap = new HashMap<WorldOctTreeNode<FoliageCell>,Boolean>();
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/**
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* The last recorded player world position
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*/
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Vector3i lastPlayerPos = new Vector3i();
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/**
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* Tracks whether the cell manager updated last frame or not
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*/
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boolean updatedLastFrame = true;
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/**
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* Controls whether the foliage cell manager should update or not
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*/
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boolean shouldUpdate = true;
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/**
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* The dimensions of the world
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*/
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int worldDim = 0;
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/**
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* Tracks the number of currently valid cells (ie didn't require an update this frame)
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*/
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int validCellCount = 0;
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/**
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* The number of maximum resolution chunks
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*/
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int maxResCount = 0;
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/**
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* The number of half resolution chunks
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*/
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int halfResCount = 0;
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/**
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* The number of generated chunks
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*/
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int generated = 0;
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/**
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* Tracks whether the cell manager has initialized or not
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*/
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boolean initialized = false;
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/**
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* The list of points to break at next evaluation
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*/
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List<Vector3i> breakPoints = new LinkedList<Vector3i>();
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/**
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* Constructor
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* @param worldDim The size of the world in chunks
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*/
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public FoliageCellManager(int worldDim){
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this.chunkTree = new WorldOctTree<FoliageCell>(
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new Vector3i(0,0,0),
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new Vector3i(worldDim * ServerTerrainChunk.CHUNK_DIMENSION, worldDim * ServerTerrainChunk.CHUNK_DIMENSION, worldDim * ServerTerrainChunk.CHUNK_DIMENSION)
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);
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this.chunkTree.getRoot().setData(FoliageCell.generateTerrainCell(new Vector3i(0,0,0), chunkTree.getMaxLevel()));
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this.worldDim = worldDim;
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}
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/**
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* Inits the foliage cell data
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*/
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public void init(){
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//queue ambient foliage models
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for(FoliageType foliageType : Globals.gameConfigCurrent.getFoliageMap().getTypes()){
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if(foliageType.getTokens().contains(FoliageType.TOKEN_AMBIENT)){
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Globals.assetManager.addModelPathToQueue(foliageType.getGraphicsTemplate().getModel().getPath());
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Globals.assetManager.addShaderToQueue(FoliageCell.vertexPath, FoliageCell.fragmentPath);
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}
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}
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}
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/**
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* Updates all cells in the chunk
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*/
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public void update(){
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Globals.profiler.beginCpuSample("FoliageCellManager.update");
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if(shouldUpdate && Globals.playerEntity != null && Globals.userSettings.getGraphicsPerformanceEnableFoliageManager()){
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Vector3d playerPos = EntityUtils.getPosition(Globals.playerEntity);
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Vector3i absVoxelPos = Globals.clientWorldData.convertRealToAbsoluteVoxelSpace(playerPos);
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int distCache = this.getDistCache(this.lastPlayerPos, absVoxelPos);
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if(absVoxelPos.distance(this.lastPlayerPos) > TELEPORT_DISTANCE){
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distCache = BUST_META_CELLS;
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}
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this.lastPlayerPos.set(absVoxelPos);
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//the sets to iterate through
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updatedLastFrame = true;
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validCellCount = 0;
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evaluationMap.clear();
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//update all full res cells
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WorldOctTreeNode<FoliageCell> rootNode = this.chunkTree.getRoot();
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Globals.profiler.beginCpuSample("FoliageCellManager.update - full res cells");
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updatedLastFrame = this.recursivelyUpdateCells(rootNode, absVoxelPos, evaluationMap, SIXTEENTH_RES_LOD, distCache);
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Globals.profiler.endCpuSample();
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if(!updatedLastFrame && !this.initialized){
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this.initialized = true;
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}
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if(this.breakPoints.size() > 0){
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this.breakPoints.clear();
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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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* Recursively update child nodes
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* @param node The root node
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* @param absVoxelPos The player's position
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* @param minLeafLod The minimum LOD required to evaluate a leaf
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* @param evaluationMap Map of leaf nodes that have been evaluated this frame
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* @return true if there is work remaining to be done, false otherwise
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*/
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private boolean recursivelyUpdateCells(WorldOctTreeNode<FoliageCell> node, Vector3i absVoxelPos, Map<WorldOctTreeNode<FoliageCell>,Boolean> evaluationMap, int minLeafLod, int distCache){
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boolean updated = false;
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//breakpoint handling
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if(this.breakPoints.size() > 0){
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for(Vector3i breakpoint : breakPoints){
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if(GeomUtils.approxMinDistanceAABB(breakpoint, node.getMinBound(), node.getMaxBound()) == 0){
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System.out.println("Break at " + breakpoint + " " + node.getLevel());
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System.out.println(" " + node.getMinBound() + " " + node.getMaxBound());
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System.out.println(" Generated: " + node.getData().hasGenerated());
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System.out.println(" Homogenous: " + node.getData().isHomogenous());
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System.out.println(" Leaf: " + node.isLeaf());
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System.out.println(" Cached min dist: " + node.getData().cachedMinDistance);
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System.out.println(" Actual min dist: " + GeomUtils.approxMinDistanceAABB(breakpoint, node.getMinBound(), node.getMaxBound()));
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}
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}
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}
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if(evaluationMap.containsKey(node)){
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return false;
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}
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if(
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node.getData().hasGenerated() &&
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(
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node.getData().isHomogenous() ||
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this.getMinDistance(absVoxelPos, node, distCache) > SIXTEENTH_RES_DIST
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) &&
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distCache != BUST_META_CELLS
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){
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return false;
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}
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if(node.isLeaf()){
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if(distCache == BUST_META_CELLS){
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node.getData().setHasGenerated(false);
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} if(this.isMeta(absVoxelPos, node, distCache)){
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this.flagAsMeta(node);
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} else if(this.shouldSplit(absVoxelPos, node, distCache)){
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Globals.profiler.beginCpuSample("FoliageCellManager.split");
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//perform op
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WorldOctTreeNode<FoliageCell> container = chunkTree.split(node);
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FoliageCell containerCell = FoliageCell.generateTerrainCell(container.getMinBound(), this.chunkTree.getMaxLevel() - container.getLevel());
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container.setData(containerCell);
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container.getData().transferChunkData(node.getData());
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//do creations
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container.getChildren().forEach(child -> {
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Vector3i cellWorldPos = new Vector3i(
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child.getMinBound().x,
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child.getMinBound().y,
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child.getMinBound().z
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);
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FoliageCell foliageCell = FoliageCell.generateTerrainCell(cellWorldPos,this.chunkTree.getMaxLevel() - child.getLevel());
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foliageCell.registerNotificationTarget(node.getData());
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child.setLeaf(true);
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child.setData(foliageCell);
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evaluationMap.put(child,true);
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});
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//do deletions
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this.recursivelyDestroy(node);
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//update neighbors
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this.conditionalUpdateAdjacentNodes(container, container.getChildren().get(0).getLevel());
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Globals.profiler.endCpuSample();
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updated = true;
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} else if(this.shouldRequest(absVoxelPos, node, minLeafLod, distCache)){
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Globals.profiler.beginCpuSample("FoliageCellManager.request");
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//calculate what to request
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FoliageCell cell = node.getData();
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//actually send requests
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if(this.requestChunks(node)){
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cell.setHasRequested(true);
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}
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evaluationMap.put(node,true);
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Globals.profiler.endCpuSample();
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updated = true;
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} else if(this.shouldGenerate(absVoxelPos, node, minLeafLod, distCache)){
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Globals.profiler.beginCpuSample("FoliageCellManager.generate");
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int lodLevel = this.getLODLevel(node);
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if(this.containsDataToGenerate(node)){
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node.getData().generateDrawableEntity(lodLevel);
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if(node.getData().getFailedGenerationAttempts() > FAILED_GENERATION_ATTEMPT_THRESHOLD){
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node.getData().setHasRequested(false);
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}
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} else if(node.getData() != null){
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node.getData().setFailedGenerationAttempts(node.getData().getFailedGenerationAttempts() + 1);
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if(node.getData().getFailedGenerationAttempts() > FAILED_GENERATION_ATTEMPT_THRESHOLD){
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node.getData().setHasRequested(false);
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}
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}
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evaluationMap.put(node,true);
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Globals.profiler.endCpuSample();
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updated = true;
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}
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} else {
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if(this.shouldJoin(absVoxelPos, node, distCache)) {
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this.join(node);
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updated = true;
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} else {
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this.validCellCount++;
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List<WorldOctTreeNode<FoliageCell>> children = node.getChildren();
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boolean isHomogenous = true;
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boolean fullyGenerated = true;
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for(int i = 0; i < 8; i++){
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WorldOctTreeNode<FoliageCell> child = children.get(i);
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boolean childUpdate = this.recursivelyUpdateCells(child, absVoxelPos, evaluationMap, minLeafLod, distCache);
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if(childUpdate == true){
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updated = true;
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}
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if(!child.getData().hasGenerated()){
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fullyGenerated = false;
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}
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if(!child.getData().isHomogenous()){
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isHomogenous = false;
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}
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}
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WorldOctTreeNode<FoliageCell> newNode = null;
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if(isHomogenous){
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newNode = this.join(node);
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newNode.getData().setHomogenous(true);
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}
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if(fullyGenerated && newNode != null){
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newNode.getData().setHasGenerated(true);
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}
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if((this.chunkTree.getMaxLevel() - node.getLevel()) < minLeafLod){
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evaluationMap.put(node,true);
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}
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}
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}
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return updated;
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}
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/**
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* Gets the minimum distance from a node to a point
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* @param absVoxelPos the position to check against
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* @param node the node
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* @return the distance
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*/
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public long getMinDistance(Vector3i absVoxelPos, WorldOctTreeNode<FoliageCell> node, int distCache){
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return node.getData().getMinDistance(absVoxelPos, node, distCache);
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}
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/**
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* Gets the distance cache value
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* @param lastPlayerPos The last player world position
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* @param currentPlayerPos The current player world position
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* @return The distance cache value
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*/
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private int getDistCache(Vector3i lastPlayerPos, Vector3i currentPlayerPos){
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if(
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lastPlayerPos.x / 16 != currentPlayerPos.x / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16
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){
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return this.chunkTree.getMaxLevel();
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}
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if(
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lastPlayerPos.x / 16 != currentPlayerPos.x / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16
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){
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return SIXTEENTH_RES_LOD + 2;
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}
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if(
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lastPlayerPos.x / 8 != currentPlayerPos.x / 8 || lastPlayerPos.z / 8 != currentPlayerPos.z / 8 || lastPlayerPos.z / 8 != currentPlayerPos.z / 8
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){
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return SIXTEENTH_RES_LOD + 1;
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}
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if(
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lastPlayerPos.x / 4 != currentPlayerPos.x / 4 || lastPlayerPos.z / 4 != currentPlayerPos.z / 4 || lastPlayerPos.z / 4 != currentPlayerPos.z / 4
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){
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return SIXTEENTH_RES_LOD;
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}
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if(
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lastPlayerPos.x / 2 != currentPlayerPos.x / 2 || lastPlayerPos.z / 2 != currentPlayerPos.z / 2 || lastPlayerPos.z / 2 != currentPlayerPos.z / 2
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){
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return EIGHTH_RES_LOD;
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}
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if(
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lastPlayerPos.x != currentPlayerPos.x || lastPlayerPos.z != currentPlayerPos.z || lastPlayerPos.z != currentPlayerPos.z
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){
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return QUARTER_RES_LOD;
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}
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return -1;
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}
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/**
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* Gets whether this should be split or not
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* @param pos the player position
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* @param node The node
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* @return true if should split, false otherwise
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*/
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public boolean shouldSplit(Vector3i pos, WorldOctTreeNode<FoliageCell> node, int distCache){
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//breaking out into dedicated function so can add case handling ie if we want
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//to combine fullres nodes into larger nodes to conserve on foliage calls
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return
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node.canSplit() &&
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(node.getLevel() != this.chunkTree.getMaxLevel()) &&
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!node.getData().isHomogenous() &&
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(node.getParent() != null || node == this.chunkTree.getRoot()) &&
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(
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(
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node.getLevel() < this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD &&
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this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
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)
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||
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(
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node.getLevel() < this.chunkTree.getMaxLevel() - EIGHTH_RES_LOD &&
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this.getMinDistance(pos, node, distCache) <= EIGHTH_RES_DIST
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)
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||
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(
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node.getLevel() < this.chunkTree.getMaxLevel() - QUARTER_RES_LOD &&
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this.getMinDistance(pos, node, distCache) <= QUARTER_RES_DIST
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)
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// ||
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// (
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// node.getLevel() < this.chunkTree.getMaxLevel() - HALF_RES_LOD &&
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// this.getMinDistance(pos, node, distCache) <= HALF_RES_DIST
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// )
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// ||
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// (
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// node.getLevel() < this.chunkTree.getMaxLevel() &&
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// this.getMinDistance(pos, node, distCache) <= FULL_RES_DIST
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// )
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)
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;
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}
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/**
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* Gets the LOD level of the foliage cell
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* @param node The node to consider
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* @return -1 if outside of render range, -1 if the node is not a valid foliage cell leaf, otherwise returns the LOD level
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*/
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private int getLODLevel(WorldOctTreeNode<FoliageCell> node){
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return this.chunkTree.getMaxLevel() - node.getLevel();
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}
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/**
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* Conditionally updates all adjacent nodes if their level would require transition cells in the voxel rasterization
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* @param node The node to search from adjacencies from
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* @param level The level to check against
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*/
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private void conditionalUpdateAdjacentNodes(WorldOctTreeNode<FoliageCell> node, int level){
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//don't bother to check if it's a lowest-res chunk
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if(this.chunkTree.getMaxLevel() - level > FoliageCellManager.FULL_RES_LOD){
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return;
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}
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if(node.getMinBound().x - 1 >= 0){
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WorldOctTreeNode<FoliageCell> xNegNode = this.chunkTree.search(new Vector3i(node.getMinBound()).add(-1,0,0), false);
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if(xNegNode != null && xNegNode.getLevel() < level){
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xNegNode.getData().setHasGenerated(false);
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}
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}
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if(node.getMinBound().y - 1 >= 0){
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WorldOctTreeNode<FoliageCell> yNegNode = this.chunkTree.search(new Vector3i(node.getMinBound()).add(0,-1,0), false);
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if(yNegNode != null && yNegNode.getLevel() < level){
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yNegNode.getData().setHasGenerated(false);
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}
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}
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if(node.getMinBound().z - 1 >= 0){
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WorldOctTreeNode<FoliageCell> zNegNode = this.chunkTree.search(new Vector3i(node.getMinBound()).add(0,0,-1), false);
|
|
if(zNegNode != null && zNegNode.getLevel() < level){
|
|
zNegNode.getData().setHasGenerated(false);
|
|
}
|
|
}
|
|
if(node.getMaxBound().x + 1 < this.worldDim){
|
|
WorldOctTreeNode<FoliageCell> xPosNode = this.chunkTree.search(new Vector3i(node.getMaxBound()).add(1,-1,-1), false);
|
|
if(xPosNode != null && xPosNode.getLevel() < level){
|
|
xPosNode.getData().setHasGenerated(false);
|
|
}
|
|
}
|
|
if(node.getMaxBound().y + 1 < this.worldDim){
|
|
WorldOctTreeNode<FoliageCell> yPosNode = this.chunkTree.search(new Vector3i(node.getMaxBound()).add(-1,1,-1), false);
|
|
if(yPosNode != null && yPosNode.getLevel() < level){
|
|
yPosNode.getData().setHasGenerated(false);
|
|
}
|
|
}
|
|
if(node.getMaxBound().z + 1 < this.worldDim){
|
|
WorldOctTreeNode<FoliageCell> zPosNode = this.chunkTree.search(new Vector3i(node.getMaxBound()).add(-1,-1,1), false);
|
|
if(zPosNode != null && zPosNode.getLevel() < level){
|
|
zPosNode.getData().setHasGenerated(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if this is a meta node
|
|
* @param pos The position of the player
|
|
* @param node The node
|
|
* @param distCache The distance cache
|
|
* @return true if it is a meta node, false otherwise
|
|
*/
|
|
private boolean isMeta(Vector3i pos, WorldOctTreeNode<FoliageCell> node, int distCache){
|
|
return
|
|
node.getLevel() < this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD &&
|
|
this.getMinDistance(pos, node, distCache) > SIXTEENTH_RES_DIST
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Sets this node to be a meta node
|
|
* @param node The node
|
|
*/
|
|
private void flagAsMeta(WorldOctTreeNode<FoliageCell> node){
|
|
node.getData().setHasGenerated(true);
|
|
}
|
|
|
|
/**
|
|
* Gets whether this should be joined or not
|
|
* @param pos the player position
|
|
* @param node The node
|
|
* @return true if should be joined, false otherwise
|
|
*/
|
|
public boolean shouldJoin(Vector3i pos, WorldOctTreeNode<FoliageCell> node, int distCache){
|
|
//breaking out into dedicated function so can add case handling ie if we want
|
|
//to combine fullres nodes into larger nodes to conserve on foliage calls
|
|
return
|
|
node.getLevel() > 0 &&
|
|
(node.getLevel() != this.chunkTree.getMaxLevel()) &&
|
|
(
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - HALF_RES_LOD &&
|
|
this.getMinDistance(pos, node, distCache) > FULL_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - QUARTER_RES_LOD &&
|
|
this.getMinDistance(pos, node, distCache) > HALF_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - EIGHTH_RES_LOD &&
|
|
this.getMinDistance(pos, node, distCache) > QUARTER_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD &&
|
|
this.getMinDistance(pos, node, distCache) > EIGHTH_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
this.getMinDistance(pos, node, distCache) > SIXTEENTH_RES_DIST
|
|
)
|
|
)
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Joins a parent node
|
|
* @param node The parent node
|
|
*/
|
|
private WorldOctTreeNode<FoliageCell> join(WorldOctTreeNode<FoliageCell> node){
|
|
Globals.profiler.beginCpuSample("FoliageCellManager.join");
|
|
|
|
//queue destructions prior to join -- the join operator clears all children on node
|
|
this.recursivelyDestroy(node);
|
|
|
|
//perform op
|
|
FoliageCell newLeafCell = FoliageCell.generateTerrainCell(node.getMinBound(),node.getData().lod);
|
|
WorldOctTreeNode<FoliageCell> newLeaf = chunkTree.join(node, newLeafCell);
|
|
newLeaf.getData().transferChunkData(node.getData());
|
|
|
|
//update neighbors
|
|
this.conditionalUpdateAdjacentNodes(newLeaf, newLeaf.getLevel());
|
|
evaluationMap.put(newLeaf,true);
|
|
|
|
Globals.profiler.endCpuSample();
|
|
return newLeaf;
|
|
}
|
|
|
|
/**
|
|
* Checks if this cell should request chunk data
|
|
* @param pos the player's position
|
|
* @param node the node
|
|
* @param minLeafLod The minimum LOD required to evaluate a leaf
|
|
* @return true if should request chunk data, false otherwise
|
|
*/
|
|
public boolean shouldRequest(Vector3i pos, WorldOctTreeNode<FoliageCell> node, int minLeafLod, int distCache){
|
|
return
|
|
node.getData() != null &&
|
|
!node.getData().hasRequested() &&
|
|
(this.chunkTree.getMaxLevel() - node.getLevel()) <= minLeafLod &&
|
|
(
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel()
|
|
// &&
|
|
// this.getMinDistance(pos, node) <= FULL_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - HALF_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= QUARTER_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - QUARTER_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= EIGHTH_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - EIGHTH_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
|
|
)
|
|
)
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Checks if this cell should generate
|
|
* @param pos the player's position
|
|
* @param node the node
|
|
* @param minLeafLod The minimum LOD required to evaluate a leaf
|
|
* @return true if should generate, false otherwise
|
|
*/
|
|
public boolean shouldGenerate(Vector3i pos, WorldOctTreeNode<FoliageCell> node, int minLeafLod, int distCache){
|
|
return
|
|
!node.getData().hasGenerated() &&
|
|
(this.chunkTree.getMaxLevel() - node.getLevel()) <= minLeafLod &&
|
|
(
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel()
|
|
// &&
|
|
// this.getMinDistance(pos, node) <= FULL_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - HALF_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= QUARTER_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - QUARTER_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= EIGHTH_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - EIGHTH_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
|
|
)
|
|
||
|
|
(
|
|
node.getLevel() == this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD
|
|
&&
|
|
this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
|
|
)
|
|
)
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Checks if the node should have destroy called on it
|
|
* @param node The node
|
|
* @return true if should destroy, false otherwise
|
|
*/
|
|
public boolean shouldDestroy(WorldOctTreeNode<FoliageCell> node){
|
|
return
|
|
node.getData() != null &&
|
|
node.getData().getEntity() != null
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Destroys the foliage chunk
|
|
*/
|
|
protected void destroy(){
|
|
this.recursivelyDestroy(this.chunkTree.getRoot());
|
|
}
|
|
|
|
/**
|
|
* Recursively destroy a tree
|
|
* @param node The root of the tree
|
|
*/
|
|
private void recursivelyDestroy(WorldOctTreeNode<FoliageCell> node){
|
|
if(node.getChildren().size() > 0){
|
|
for(WorldOctTreeNode<FoliageCell> child : node.getChildren()){
|
|
this.recursivelyDestroy(child);
|
|
}
|
|
}
|
|
if(node.getData() != null){
|
|
node.getData().destroy();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if the cell manager made an update last frame or not
|
|
* @return true if an update occurred, false otherwise
|
|
*/
|
|
public boolean updatedLastFrame(){
|
|
return this.updatedLastFrame;
|
|
}
|
|
|
|
/**
|
|
* Checks if the position is within the full LOD range
|
|
* @param worldPos The world position
|
|
* @return true if within full LOD range, false otherwise
|
|
*/
|
|
public boolean isFullLOD(Vector3i worldPos){
|
|
Vector3d playerRealPos = EntityUtils.getPosition(Globals.playerEntity);
|
|
Vector3d chunkMin = Globals.clientWorldData.convertWorldToRealSpace(worldPos);
|
|
Vector3d chunkMax = Globals.clientWorldData.convertWorldToRealSpace(new Vector3i(worldPos).add(1,1,1));
|
|
return GeomUtils.getMinDistanceAABB(playerRealPos, chunkMin, chunkMax) <= FULL_RES_DIST;
|
|
}
|
|
|
|
/**
|
|
* Evicts all cells
|
|
*/
|
|
public void evictAll(){
|
|
this.recursivelyDestroy(this.chunkTree.getRoot());
|
|
this.chunkTree.clear();
|
|
this.chunkTree.getRoot().setData(FoliageCell.generateTerrainCell(new Vector3i(0,0,0), chunkTree.getMaxLevel()));
|
|
}
|
|
|
|
|
|
/**
|
|
* Marks a foliage cell as updateable
|
|
* @param worldX The world x position
|
|
* @param worldY The world y position
|
|
* @param worldZ The world z position
|
|
* @param voxelX The voxel x position
|
|
* @param voxelY The voxel y position
|
|
* @param voxelZ The voxel z position
|
|
*/
|
|
public void markUpdateable(int worldX, int worldY, int worldZ, int voxelX, int voxelY, int voxelZ){
|
|
int absVoxelX = Globals.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelX,worldX);
|
|
int absVoxelY = Globals.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelY,worldY);
|
|
int absVoxelZ = Globals.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelZ,worldZ);
|
|
FoliageCell foliageCell = this.getFoliageCell(absVoxelX, absVoxelY, absVoxelZ);
|
|
foliageCell.ejectChunkData();
|
|
foliageCell.setHasGenerated(false);
|
|
foliageCell.setHasRequested(false);
|
|
}
|
|
|
|
/**
|
|
* Requests all chunks for a given foliage cell
|
|
* @param cell The cell
|
|
* @return true if all cells were successfully requested, false otherwise
|
|
*/
|
|
private boolean requestChunks(WorldOctTree.WorldOctTreeNode<FoliageCell> node){
|
|
//min bound is in absolute voxel coordinates, need to convert to world coordinates
|
|
Vector3i worldPos = Globals.clientWorldData.convertAbsoluteVoxelToWorldSpace(node.getMinBound());
|
|
if(
|
|
worldPos.x >= 0 &&
|
|
worldPos.x < Globals.clientWorldData.getWorldDiscreteSize() &&
|
|
worldPos.y >= 0 &&
|
|
worldPos.y < Globals.clientWorldData.getWorldDiscreteSize() &&
|
|
worldPos.z >= 0 &&
|
|
worldPos.z < Globals.clientWorldData.getWorldDiscreteSize() &&
|
|
!Globals.clientTerrainManager.containsChunkDataAtWorldPoint(worldPos.x, worldPos.y, worldPos.z, ChunkData.NO_STRIDE)
|
|
){
|
|
//client should request chunk data from server for each chunk necessary to create the model
|
|
LoggerInterface.loggerNetworking.DEBUG("(Client) Send Request for terrain at " + worldPos);
|
|
if(!Globals.clientTerrainManager.requestChunk(worldPos.x, worldPos.y, worldPos.z, ChunkData.NO_STRIDE)){
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checks if all chunk data required to generate this foliage cell is present
|
|
* @param node The node
|
|
* @return true if all data is available, false otherwise
|
|
*/
|
|
private boolean containsDataToGenerate(WorldOctTree.WorldOctTreeNode<FoliageCell> node){
|
|
FoliageCell cell = node.getData();
|
|
Vector3i worldPos = cell.getWorldPos();
|
|
return Globals.clientTerrainManager.containsChunkDataAtWorldPoint(worldPos.x, worldPos.y, worldPos.z, ChunkData.NO_STRIDE);
|
|
}
|
|
|
|
/**
|
|
* Sets whether the foliage cell manager should update or not
|
|
* @param shouldUpdate true if should update, false otherwise
|
|
*/
|
|
public void setShouldUpdate(boolean shouldUpdate){
|
|
this.shouldUpdate = shouldUpdate;
|
|
}
|
|
|
|
/**
|
|
* Gets whether the client foliage cell manager should update or not
|
|
* @return true if should update, false otherwise
|
|
*/
|
|
public boolean getShouldUpdate(){
|
|
return this.shouldUpdate;
|
|
}
|
|
|
|
/**
|
|
* Gets the number of currently valid cells
|
|
* @return The number of currently valid cells
|
|
*/
|
|
public int getValidCellCount(){
|
|
return validCellCount;
|
|
}
|
|
|
|
/**
|
|
* Calculates the status of the foliage cell manager
|
|
*/
|
|
public void updateStatus(){
|
|
maxResCount = 0;
|
|
halfResCount = 0;
|
|
generated = 0;
|
|
this.recursivelyCalculateStatus(this.chunkTree.getRoot());
|
|
}
|
|
|
|
/**
|
|
* Recursively calculates the status of the manager
|
|
* @param node The root node
|
|
*/
|
|
private void recursivelyCalculateStatus(WorldOctTreeNode<FoliageCell> node){
|
|
if(node.getLevel() == this.chunkTree.getMaxLevel() - 1){
|
|
halfResCount++;
|
|
}
|
|
if(node.getLevel() == this.chunkTree.getMaxLevel()){
|
|
maxResCount++;
|
|
}
|
|
if(node.getData() != null && node.getData().hasGenerated()){
|
|
generated++;
|
|
}
|
|
if(node.getChildren() != null && node.getChildren().size() > 0){
|
|
List<WorldOctTreeNode<FoliageCell>> children = new LinkedList<WorldOctTreeNode<FoliageCell>>(node.getChildren());
|
|
for(WorldOctTreeNode<FoliageCell> child : children){
|
|
recursivelyCalculateStatus(child);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets The number of maximum resolution chunks
|
|
* @return The number of maximum resolution chunks
|
|
*/
|
|
public int getMaxResCount() {
|
|
return maxResCount;
|
|
}
|
|
|
|
/**
|
|
* Gets The number of half resolution chunks
|
|
* @return The number of half resolution chunks
|
|
*/
|
|
public int getHalfResCount() {
|
|
return halfResCount;
|
|
}
|
|
|
|
/**
|
|
* Gets The number of generated chunks
|
|
* @return
|
|
*/
|
|
public int getGenerated() {
|
|
return generated;
|
|
}
|
|
|
|
/**
|
|
* Gets whether the client foliage cell manager has initialized or not
|
|
* @return true if it has initialized, false otherwise
|
|
*/
|
|
public boolean isInitialized(){
|
|
return this.initialized;
|
|
}
|
|
|
|
/**
|
|
* Gets the foliage cell for a given world coordinate if it has been generated
|
|
* @param worldX The world x coordinate
|
|
* @param worldY The world y coordinate
|
|
* @param worldZ The world z coordinate
|
|
* @return The foliage cell if it exists, null otherwise
|
|
*/
|
|
public FoliageCell getFoliageCell(int worldX, int worldY, int worldZ){
|
|
WorldOctTreeNode<FoliageCell> node = this.chunkTree.search(new Vector3i(worldX,worldY,worldZ), false);
|
|
if(node != null){
|
|
return node.getData();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Gets the number of nodes in the tree
|
|
* @return The number of nodes
|
|
*/
|
|
public int getNodeCount(){
|
|
return this.chunkTree.getNodeCount();
|
|
}
|
|
|
|
/**
|
|
* Logs when the manager next evaluates the supplied absolute voxel position. Should be used to break at that point.
|
|
* @param absVoxelPos The absolute voxel position to break at
|
|
*/
|
|
public void addBreakPoint(Vector3i absVoxelPos){
|
|
this.breakPoints.add(absVoxelPos);
|
|
}
|
|
|
|
|
|
}
|