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