Renderer/src/main/java/electrosphere/client/terrain/foliage/FoliageCellManager.java
austin 8957d96809
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code cleanup
2025-05-24 21:42:45 -04:00

967 lines
36 KiB
Java

package electrosphere.client.terrain.foliage;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.joml.Vector3d;
import org.joml.Vector3i;
import electrosphere.client.terrain.cache.ChunkData;
import electrosphere.data.entity.foliage.FoliageType;
import electrosphere.engine.Globals;
import electrosphere.entity.EntityUtils;
import electrosphere.logger.LoggerInterface;
import electrosphere.server.physics.terrain.manager.ServerTerrainChunk;
import electrosphere.util.ds.octree.WorldOctTree;
import electrosphere.util.ds.octree.WorldOctTree.WorldOctTreeNode;
import electrosphere.util.math.GeomUtils;
/**
* Manages foliage cells on the client
*/
public class FoliageCellManager {
/**
* If moved this many cells in 1 frame, completely bust meta cells
*/
public static final int TELEPORT_DISTANCE = 5000;
/**
* Number of times to try updating per frame. Lower this to reduce lag but slow down terrain mesh generation.
*/
static final int UPDATE_ATTEMPTS_PER_FRAME = 3;
/**
* The number of generation attempts before a cell is marked as having not requested its data
*/
static final int FAILED_GENERATION_ATTEMPT_THRESHOLD = 250;
/**
* The distance to foliage at full resolution
*/
public static final double FULL_RES_DIST = 16;
/**
* The distance for half resolution
*/
public static final double HALF_RES_DIST = 20;
/**
* The distance for quarter resolution
*/
public static final double QUARTER_RES_DIST = 16;
/**
* The distance for eighth resolution
*/
public static final double EIGHTH_RES_DIST = 24;
/**
* The distance for sixteenth resolution
*/
public static final double SIXTEENTH_RES_DIST = 64;
/**
* Lod value for a full res chunk
*/
public static final int FULL_RES_LOD = 0;
/**
* Lod value for a half res chunk
*/
public static final int HALF_RES_LOD = 1;
/**
* Lod value for a quarter res chunk
*/
public static final int QUARTER_RES_LOD = 2;
/**
* Lod value for a eighth res chunk
*/
public static final int EIGHTH_RES_LOD = 3;
/**
* Lod value for a sixteenth res chunk
*/
public static final int SIXTEENTH_RES_LOD = 4;
/**
* Lod value for evaluating all lod levels
*/
public static final int ALL_RES_LOD = 5;
/**
* Lod value for busting up meta cells
*/
public static final int BUST_META_CELLS = 40;
/**
* The octree holding all the chunks to evaluate
*/
private WorldOctTree<FoliageCell> chunkTree;
/**
* Tracks what nodes have been evaluated this frame -- used to deduplicate evaluation calls
*/
private Map<WorldOctTreeNode<FoliageCell>,Boolean> evaluationMap = new HashMap<WorldOctTreeNode<FoliageCell>,Boolean>();
/**
* The last recorded player world position
*/
private Vector3i lastPlayerPos = new Vector3i();
/**
* Tracks whether the cell manager updated last frame or not
*/
private boolean updatedLastFrame = true;
/**
* Controls whether the foliage cell manager should update or not
*/
private boolean shouldUpdate = true;
/**
* The dimensions of the world
*/
private int worldDim = 0;
/**
* Tracks the number of currently valid cells (ie didn't require an update this frame)
*/
private int validCellCount = 0;
/**
* The number of maximum resolution chunks
*/
private int maxResCount = 0;
/**
* The number of half resolution chunks
*/
private int halfResCount = 0;
/**
* The number of generated chunks
*/
private int generated = 0;
/**
* Tracks whether the cell manager has initialized or not
*/
private boolean initialized = false;
/**
* The list of points to break at next evaluation
*/
private List<Vector3i> breakPoints = new LinkedList<Vector3i>();
/**
* Used to bust the distance cache from external calls
*/
private boolean bustDistCache = false;
/**
* Constructor
* @param worldDim The size of the world in chunks
*/
public FoliageCellManager(int worldDim){
this.chunkTree = new WorldOctTree<FoliageCell>(
new Vector3i(0,0,0),
new Vector3i(worldDim * ServerTerrainChunk.CHUNK_DIMENSION, worldDim * ServerTerrainChunk.CHUNK_DIMENSION, worldDim * ServerTerrainChunk.CHUNK_DIMENSION)
);
this.chunkTree.getRoot().setData(FoliageCell.generateTerrainCell(new Vector3i(0,0,0), chunkTree.getMaxLevel()));
this.worldDim = worldDim;
}
/**
* Inits the foliage cell data
*/
public void init(){
//queue ambient foliage models
for(FoliageType foliageType : Globals.gameConfigCurrent.getFoliageMap().getTypes()){
if(foliageType.getTokens().contains(FoliageType.TOKEN_AMBIENT)){
Globals.assetManager.addModelPathToQueue(foliageType.getGraphicsTemplate().getModel().getPath());
Globals.assetManager.addShaderToQueue(FoliageCell.vertexPath, FoliageCell.fragmentPath);
}
}
}
/**
* Updates all cells in the chunk
*/
public void update(){
Globals.profiler.beginCpuSample("FoliageCellManager.update");
if(shouldUpdate && Globals.clientState.playerEntity != null && Globals.gameConfigCurrent.getSettings().getGraphicsPerformanceEnableFoliageManager()){
Vector3d playerPos = EntityUtils.getPosition(Globals.clientState.playerEntity);
Vector3i absVoxelPos = Globals.clientState.clientWorldData.convertRealToAbsoluteVoxelSpace(playerPos);
int distCache = this.getDistCache(this.lastPlayerPos, absVoxelPos);
if(bustDistCache || absVoxelPos.distance(this.lastPlayerPos) > TELEPORT_DISTANCE){
distCache = BUST_META_CELLS;
bustDistCache = false;
}
this.lastPlayerPos.set(absVoxelPos);
//the sets to iterate through
updatedLastFrame = true;
validCellCount = 0;
evaluationMap.clear();
//update all full res cells
WorldOctTreeNode<FoliageCell> rootNode = this.chunkTree.getRoot();
Globals.profiler.beginCpuSample("FoliageCellManager.update - full res cells");
updatedLastFrame = this.recursivelyUpdateCells(rootNode, absVoxelPos, evaluationMap, SIXTEENTH_RES_LOD, distCache);
Globals.profiler.endCpuSample();
if(!updatedLastFrame && !this.initialized){
this.initialized = true;
}
if(this.breakPoints.size() > 0){
this.breakPoints.clear();
}
}
Globals.profiler.endCpuSample();
}
/**
* Recursively update child nodes
* @param node The root node
* @param absVoxelPos The player's position
* @param minLeafLod The minimum LOD required to evaluate a leaf
* @param evaluationMap Map of leaf nodes that have been evaluated this frame
* @return true if there is work remaining to be done, false otherwise
*/
private boolean recursivelyUpdateCells(WorldOctTreeNode<FoliageCell> node, Vector3i absVoxelPos, Map<WorldOctTreeNode<FoliageCell>,Boolean> evaluationMap, int minLeafLod, int distCache){
boolean updated = false;
if(node.getData().getTripDebug()){
node.getData().setTripDebug(false);
}
//breakpoint handling
if(this.breakPoints.size() > 0){
for(Vector3i breakpoint : breakPoints){
if(GeomUtils.approxMinDistanceAABB(breakpoint, node.getMinBound(), node.getMaxBound()) == 0){
LoggerInterface.loggerEngine.WARNING("Break at " + breakpoint + " " + node.getLevel());
LoggerInterface.loggerEngine.WARNING(" " + node.getMinBound() + " " + node.getMaxBound());
LoggerInterface.loggerEngine.WARNING(" Generated: " + node.getData().hasGenerated());
LoggerInterface.loggerEngine.WARNING(" Homogenous: " + node.getData().isHomogenous());
LoggerInterface.loggerEngine.WARNING(" Leaf: " + node.isLeaf());
LoggerInterface.loggerEngine.WARNING(" Cached min dist: " + node.getData().cachedMinDistance);
LoggerInterface.loggerEngine.WARNING(" Actual min dist: " + GeomUtils.approxMinDistanceAABB(breakpoint, node.getMinBound(), node.getMaxBound()));
}
}
}
if(evaluationMap.containsKey(node)){
return false;
}
if(
node.getData().hasGenerated() &&
(
node.getData().isHomogenous() ||
this.getMinDistance(absVoxelPos, node, distCache) > SIXTEENTH_RES_DIST
) &&
distCache != BUST_META_CELLS
){
return false;
}
if(node.isLeaf()){
if(distCache == BUST_META_CELLS){
node.getData().setHasGenerated(false);
} if(this.isMeta(absVoxelPos, node, distCache)){
this.flagAsMeta(node);
} else if(this.shouldSplit(absVoxelPos, node, distCache)){
Globals.profiler.beginCpuSample("FoliageCellManager.split");
//perform op
WorldOctTreeNode<FoliageCell> container = chunkTree.split(node);
FoliageCell containerCell = FoliageCell.generateTerrainCell(container.getMinBound(), this.chunkTree.getMaxLevel() - container.getLevel());
container.setData(containerCell);
container.getData().transferChunkData(node.getData());
//do creations
container.getChildren().forEach(child -> {
Vector3i cellWorldPos = new Vector3i(
child.getMinBound().x,
child.getMinBound().y,
child.getMinBound().z
);
FoliageCell foliageCell = FoliageCell.generateTerrainCell(cellWorldPos,this.chunkTree.getMaxLevel() - child.getLevel());
foliageCell.registerNotificationTarget(node.getData());
child.setLeaf(true);
child.setData(foliageCell);
evaluationMap.put(child,true);
});
//do deletions
this.recursivelyDestroy(node);
//update neighbors
this.conditionalUpdateAdjacentNodes(container, container.getChildren().get(0).getLevel());
Globals.profiler.endCpuSample();
updated = true;
} else if(this.shouldRequest(absVoxelPos, node, minLeafLod, distCache)){
Globals.profiler.beginCpuSample("FoliageCellManager.request");
//calculate what to request
FoliageCell cell = node.getData();
//actually send requests
if(this.requestChunks(node)){
cell.setHasRequested(true);
}
evaluationMap.put(node,true);
Globals.profiler.endCpuSample();
updated = true;
} else if(this.shouldGenerate(absVoxelPos, node, minLeafLod, distCache)){
Globals.profiler.beginCpuSample("FoliageCellManager.generate");
int lodLevel = this.getLODLevel(node);
if(this.containsDataToGenerate(node)){
node.getData().generateDrawableEntity(lodLevel);
if(node.getData().getFailedGenerationAttempts() > FAILED_GENERATION_ATTEMPT_THRESHOLD){
node.getData().setHasRequested(false);
}
} else if(node.getData() != null){
node.getData().setFailedGenerationAttempts(node.getData().getFailedGenerationAttempts() + 1);
if(node.getData().getFailedGenerationAttempts() > FAILED_GENERATION_ATTEMPT_THRESHOLD){
node.getData().setHasRequested(false);
}
}
evaluationMap.put(node,true);
Globals.profiler.endCpuSample();
updated = true;
}
} else {
if(this.shouldJoin(absVoxelPos, node, distCache)) {
this.join(node);
updated = true;
} else {
this.validCellCount++;
List<WorldOctTreeNode<FoliageCell>> children = node.getChildren();
boolean isHomogenous = true;
boolean fullyGenerated = true;
for(int i = 0; i < 8; i++){
WorldOctTreeNode<FoliageCell> child = children.get(i);
boolean childUpdate = this.recursivelyUpdateCells(child, absVoxelPos, evaluationMap, minLeafLod, distCache);
if(childUpdate == true){
updated = true;
}
if(!child.getData().hasGenerated()){
fullyGenerated = false;
}
if(!child.getData().isHomogenous()){
isHomogenous = false;
}
}
WorldOctTreeNode<FoliageCell> newNode = null;
if(isHomogenous){
newNode = this.join(node);
newNode.getData().setHomogenous(true);
}
if(fullyGenerated && newNode != null){
newNode.getData().setHasGenerated(true);
}
if((this.chunkTree.getMaxLevel() - node.getLevel()) < minLeafLod){
evaluationMap.put(node,true);
}
}
}
return updated;
}
/**
* Gets the minimum distance from a node to a point
* @param absVoxelPos the position to check against
* @param node the node
* @return the distance
*/
public long getMinDistance(Vector3i absVoxelPos, WorldOctTreeNode<FoliageCell> node, int distCache){
return node.getData().getMinDistance(absVoxelPos, node, distCache);
}
/**
* Gets the distance cache value
* @param lastPlayerPos The last player world position
* @param currentPlayerPos The current player world position
* @return The distance cache value
*/
private int getDistCache(Vector3i lastPlayerPos, Vector3i currentPlayerPos){
if(
lastPlayerPos.x / 16 != currentPlayerPos.x / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16
){
return this.chunkTree.getMaxLevel();
}
if(
lastPlayerPos.x / 16 != currentPlayerPos.x / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16 || lastPlayerPos.z / 16 != currentPlayerPos.z / 16
){
return SIXTEENTH_RES_LOD + 2;
}
if(
lastPlayerPos.x / 8 != currentPlayerPos.x / 8 || lastPlayerPos.z / 8 != currentPlayerPos.z / 8 || lastPlayerPos.z / 8 != currentPlayerPos.z / 8
){
return SIXTEENTH_RES_LOD + 1;
}
if(
lastPlayerPos.x / 4 != currentPlayerPos.x / 4 || lastPlayerPos.z / 4 != currentPlayerPos.z / 4 || lastPlayerPos.z / 4 != currentPlayerPos.z / 4
){
return SIXTEENTH_RES_LOD;
}
if(
lastPlayerPos.x / 2 != currentPlayerPos.x / 2 || lastPlayerPos.z / 2 != currentPlayerPos.z / 2 || lastPlayerPos.z / 2 != currentPlayerPos.z / 2
){
return EIGHTH_RES_LOD;
}
if(
lastPlayerPos.x != currentPlayerPos.x || lastPlayerPos.z != currentPlayerPos.z || lastPlayerPos.z != currentPlayerPos.z
){
return QUARTER_RES_LOD;
}
return -1;
}
/**
* Gets whether this should be split or not
* @param pos the player position
* @param node The node
* @return true if should split, false otherwise
*/
public boolean shouldSplit(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.canSplit() &&
(node.getLevel() != this.chunkTree.getMaxLevel()) &&
!node.getData().isHomogenous() &&
(node.getParent() != null || node == this.chunkTree.getRoot()) &&
(
(
node.getLevel() < this.chunkTree.getMaxLevel() - SIXTEENTH_RES_LOD &&
this.getMinDistance(pos, node, distCache) <= SIXTEENTH_RES_DIST
)
||
(
node.getLevel() < this.chunkTree.getMaxLevel() - EIGHTH_RES_LOD &&
this.getMinDistance(pos, node, distCache) <= EIGHTH_RES_DIST
)
||
(
node.getLevel() < this.chunkTree.getMaxLevel() - QUARTER_RES_LOD &&
this.getMinDistance(pos, node, distCache) <= QUARTER_RES_DIST
)
// ||
// (
// node.getLevel() < this.chunkTree.getMaxLevel() - HALF_RES_LOD &&
// this.getMinDistance(pos, node, distCache) <= HALF_RES_DIST
// )
// ||
// (
// node.getLevel() < this.chunkTree.getMaxLevel() &&
// this.getMinDistance(pos, node, distCache) <= FULL_RES_DIST
// )
)
;
}
/**
* Gets the LOD level of the foliage cell
* @param node The node to consider
* @return -1 if outside of render range, -1 if the node is not a valid foliage cell leaf, otherwise returns the LOD level
*/
private int getLODLevel(WorldOctTreeNode<FoliageCell> node){
return this.chunkTree.getMaxLevel() - node.getLevel();
}
/**
* Conditionally updates all adjacent nodes if their level would require transition cells in the voxel rasterization
* @param node The node to search from adjacencies from
* @param level The level to check against
*/
private void conditionalUpdateAdjacentNodes(WorldOctTreeNode<FoliageCell> node, int level){
//don't bother to check if it's a lowest-res chunk
if(this.chunkTree.getMaxLevel() - level > FoliageCellManager.FULL_RES_LOD){
return;
}
if(node.getMinBound().x - 1 >= 0){
WorldOctTreeNode<FoliageCell> xNegNode = this.chunkTree.search(new Vector3i(node.getMinBound()).add(-1,0,0), false);
if(xNegNode != null && xNegNode.getLevel() < level){
xNegNode.getData().setHasGenerated(false);
}
}
if(node.getMinBound().y - 1 >= 0){
WorldOctTreeNode<FoliageCell> yNegNode = this.chunkTree.search(new Vector3i(node.getMinBound()).add(0,-1,0), false);
if(yNegNode != null && yNegNode.getLevel() < level){
yNegNode.getData().setHasGenerated(false);
}
}
if(node.getMinBound().z - 1 >= 0){
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.clientState.playerEntity);
Vector3d chunkMin = Globals.clientState.clientWorldData.convertWorldToRealSpace(worldPos);
Vector3d chunkMax = Globals.clientState.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.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelX,worldX);
int absVoxelY = Globals.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelY,worldY);
int absVoxelZ = Globals.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(voxelZ,worldZ);
FoliageCell foliageCell = this.getFoliageCell(absVoxelX, absVoxelY, absVoxelZ);
foliageCell.ejectChunkData();
foliageCell.setHasGenerated(false);
foliageCell.setHasRequested(false);
}
/**
* Marks a foliage cell as updateable
* @param worldX The world x position
* @param worldY The world y position
* @param worldZ The world z position
*/
public void markUpdateable(int worldX, int worldY, int worldZ){
for(int x = 0; x < ServerTerrainChunk.CHUNK_DIMENSION; x++){
for(int y = 0; y < ServerTerrainChunk.CHUNK_DIMENSION; y++){
for(int z = 0; z < ServerTerrainChunk.CHUNK_DIMENSION; z++){
int absVoxelX = Globals.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(x,worldX);
int absVoxelY = Globals.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(y,worldY);
int absVoxelZ = Globals.clientState.clientWorldData.convertRelativeVoxelToAbsoluteVoxelSpace(z,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.clientState.clientWorldData.convertAbsoluteVoxelToWorldSpace(node.getMinBound());
if(
worldPos.x >= 0 &&
worldPos.x < Globals.clientState.clientWorldData.getWorldDiscreteSize() &&
worldPos.y >= 0 &&
worldPos.y < Globals.clientState.clientWorldData.getWorldDiscreteSize() &&
worldPos.z >= 0 &&
worldPos.z < Globals.clientState.clientWorldData.getWorldDiscreteSize() &&
!Globals.clientState.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.clientState.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.clientState.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);
}
/**
* Busts the distance cache
*/
public void bustDistanceCache(){
this.bustDistCache = true;
}
}