Renderer/src/main/java/electrosphere/entity/ServerEntityUtils.java
austin 3e5cade90e
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searchable voxel selection ui
2024-04-10 22:11:02 -04:00

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3.5 KiB
Java

package electrosphere.entity;
import org.joml.Vector3d;
import electrosphere.engine.Globals;
import electrosphere.entity.types.collision.CollisionObjUtils;
import electrosphere.server.datacell.Realm;
import electrosphere.server.datacell.ServerDataCell;
import electrosphere.server.datacell.utils.DataCellSearchUtils;
import electrosphere.server.datacell.utils.ServerBehaviorTreeUtils;
/**
* Entity utilities specifically for the server side
*/
public class ServerEntityUtils {
/**
* Called when the creature is first spawned to serialize to all people in its initial chunk.
* <p>
* !!NOTE!!: This function must be called after the entity has fully been created.
* The initializeServerSideEntity logic requires knowing the type of entity (creature, foliage, etc)
* which is typically set further in the function than the initial "spawnServerEntity" that returns
* the actual Entity() object.
* </p>
* @param entity
* @param position
*/
public static void initiallyPositionEntity(Realm realm, Entity entity, Vector3d position){
//reposition entity, if the position isn't correct then it will spawn at 0,0,0 when the synchronization part is called
CollisionObjUtils.serverPositionCharacter(entity, position);
//get current server data cell
ServerDataCell cell = realm.getDataCellManager().getDataCellAtPoint(position);
if(cell != null){
//initialize server datacell tracking of this entity
realm.initializeServerSideEntity(entity, cell);
} else {
//if it doesn't already exist, try creating it and if successfull move creature
cell = realm.getDataCellManager().tryCreateCellAtPoint(position);
//initialize server datacell tracking of this entity
realm.initializeServerSideEntity(entity, cell);
}
}
/**
* Called to reposition the creature
* @param entity
* @param position
*/
public static void repositionEntity(Entity entity, Vector3d position){
Realm realm = Globals.realmManager.getEntityRealm(entity);
//if server, get current server data cell
ServerDataCell oldDataCell = realm.getDataCellManager().getDataCellAtPoint(EntityUtils.getPosition(entity));
ServerDataCell newDataCell = realm.getDataCellManager().getDataCellAtPoint(position);
if(oldDataCell != newDataCell){
if(newDataCell != null){
ServerDataCell.moveEntityFromCellToCell(entity, oldDataCell, newDataCell);
ServerBehaviorTreeUtils.updateCell(entity, oldDataCell);
} else {
//if it doesn't already exist, try creating it and if successfull move creature
newDataCell = realm.getDataCellManager().tryCreateCellAtPoint(EntityUtils.getPosition(entity));
if(newDataCell != null){
ServerDataCell.moveEntityFromCellToCell(entity, oldDataCell, newDataCell);
ServerBehaviorTreeUtils.updateCell(entity, oldDataCell);
}
}
}
// //if the server is also a client, update the drawcell manager to know to pull new chunks
// if(Globals.RUN_CLIENT){
// Globals.drawCellManager.invalidateAllCells();
// Globals.drawCellManager.setCellX(Globals.clientPlayerData.getWorldPos().x);
// Globals.drawCellManager.setCellY(Globals.clientPlayerData.getWorldPos().z);
// }
//reposition entity
CollisionObjUtils.serverPositionCharacter(entity, position);
}
}