Renderer/src/main/java/electrosphere/entity/state/attack/ServerAttackTree.java
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2024-08-12 13:07:40 -04:00

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Java

package electrosphere.entity.state.attack;
import electrosphere.server.datacell.utils.ServerBehaviorTreeUtils;
import electrosphere.net.parser.net.message.SynchronizationMessage;
import electrosphere.server.datacell.utils.DataCellSearchUtils;
import electrosphere.engine.Globals;
import electrosphere.entity.Entity;
import electrosphere.entity.EntityDataStrings;
import electrosphere.entity.EntityUtils;
import electrosphere.entity.btree.BehaviorTree;
import electrosphere.entity.btree.StateTransitionUtil;
import electrosphere.entity.btree.StateTransitionUtil.StateTransitionUtilItem;
import electrosphere.entity.state.attack.ClientAttackTree.AttackTreeDriftState;
import electrosphere.entity.state.attack.ClientAttackTree.AttackTreeState;
import electrosphere.entity.state.collidable.Impulse;
import electrosphere.entity.state.equip.ServerEquipState;
import electrosphere.entity.state.hitbox.HitboxCollectionState;
import electrosphere.entity.state.movement.groundmove.ServerGroundMovementTree;
import electrosphere.entity.state.rotator.ServerRotatorTree;
import electrosphere.entity.types.attach.AttachUtils;
import electrosphere.entity.types.collision.CollisionObjUtils;
import electrosphere.entity.types.creature.CreatureUtils;
import electrosphere.entity.types.item.ItemUtils;
import electrosphere.entity.types.projectile.ProjectileUtils;
import electrosphere.game.data.common.TreeDataState;
import electrosphere.game.data.creature.type.attack.AttackMove;
import electrosphere.game.data.creature.type.equip.EquipPoint;
import electrosphere.logger.LoggerInterface;
import electrosphere.net.parser.net.message.EntityMessage;
import electrosphere.net.synchronization.annotation.SyncedField;
import electrosphere.net.synchronization.annotation.SynchronizedBehaviorTree;
import electrosphere.net.synchronization.enums.BehaviorTreeIdEnums;
import electrosphere.net.synchronization.enums.FieldIdEnums;
import electrosphere.renderer.actor.Actor;
import electrosphere.server.datacell.Realm;
import electrosphere.util.math.MathUtils;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.joml.Quaterniond;
import org.joml.Vector3d;
import org.joml.Vector3f;
@SynchronizedBehaviorTree(name = "serverAttackTree", isServer = true, correspondingTree="clientAttackTree")
/**
* Server basic attack tree
*/
public class ServerAttackTree implements BehaviorTree {
@SyncedField
//the state of the attack tree
AttackTreeState state;
@SyncedField
//the state of drifting caused by the attack animation
AttackTreeDriftState driftState;
Entity parent;
CopyOnWriteArrayList<EntityMessage> networkMessageQueue = new CopyOnWriteArrayList<EntityMessage>();
long lastUpdateTime = 0;
float frameCurrent;
String animationName = "SwingWeapon";
int maxFrame = 60;
List<AttackMove> currentMoveset = null;
@SyncedField
String currentMoveId = null; //the id of the current move -- used to synchronize the move to client
AttackMove currentMove = null; //the actual current move object
Entity currentWeapon = null;
boolean currentMoveHasWindup;
boolean currentMoveCanHold;
boolean stillHold = true;
boolean firesProjectile = false;
String projectileToFire = null;
String attackingPoint = null;
//The state transition util
StateTransitionUtil stateTransitionUtil;
private ServerAttackTree(Entity e, Object ... params){
state = AttackTreeState.IDLE;
driftState = AttackTreeDriftState.NO_DRIFT;
parent = e;
this.stateTransitionUtil = StateTransitionUtil.create(parent, true, new StateTransitionUtilItem[]{
StateTransitionUtilItem.create(
AttackTreeState.WINDUP,
() -> {
TreeDataState state = currentMove.getWindupState();
if(state == null){
return null;
} else {
return state.getAnimation();
}
},
() -> {
TreeDataState state = currentMove.getWindupState();
if(state == null){
return null;
} else {
return state.getAudioData();
}
},
() -> {
if(currentMoveCanHold && stillHold){
setState(AttackTreeState.HOLD);
} else {
setState(AttackTreeState.ATTACK);
}
this.stateTransitionUtil.interrupt(AttackTreeState.WINDUP);
}
),
StateTransitionUtilItem.create(
AttackTreeState.HOLD,
() -> {
TreeDataState state = currentMove.getHoldState();
if(state == null){
return null;
} else {
return state.getAnimation();
}
},
() -> {
TreeDataState state = currentMove.getHoldState();
if(state == null){
return null;
} else {
return state.getAudioData();
}
},
null
),
StateTransitionUtilItem.create(
AttackTreeState.ATTACK,
() -> {
TreeDataState state = currentMove.getAttackState();
if(state == null){
return null;
} else {
return state.getAnimation();
}
},
null,
() -> {
this.setState(AttackTreeState.COOLDOWN);
this.stateTransitionUtil.interrupt(AttackTreeState.ATTACK);
}
),
StateTransitionUtilItem.create(
AttackTreeState.COOLDOWN,
() -> {
TreeDataState state = currentMove.getCooldownState();
if(state == null){
return null;
} else {
return state.getAnimation();
}
},
null,
null
),
});
}
/**
* <p> Automatically generated </p>
* <p>
* Gets state.
* </p>
*/
public AttackTreeState getState(){
return state;
}
public void start(){
currentMoveCanHold = false;
currentMoveHasWindup = false;
stillHold = true;
firesProjectile = false;
projectileToFire = null;
currentWeapon = null;
attackingPoint = null;
//figure out attack type we should be doing
String attackType = getAttackType();
//if we can attack, setup doing so
if(canAttack(attackType)){
setAttackMoveTypeActive(attackType);
currentMoveset = getMoveset(attackType);
if(currentMoveset != null){
if(currentMove == null){
currentMove = currentMoveset.get(0);
} else {
currentMove = getNextMove(currentMoveset,currentMove.getNextMoveId());
}
if(currentMove != null){
firesProjectile = currentMove.getFiresProjectile();
if(firesProjectile){
projectileToFire = ItemUtils.getWeaponDataRaw(currentWeapon).getProjectileModel();
}
//set initial stuff (this alerts the client as well)
setCurrentMoveId(currentMove.getAttackMoveId());
//start tree
if(currentMove.getWindupState() != null){
setState(AttackTreeState.WINDUP);
} else if(currentMove.getAttackState() != null){
setState(AttackTreeState.ATTACK);
} else {
LoggerInterface.loggerEngine.ERROR(new IllegalStateException("Trying to start attacking tree, but current move does not have windup or attack states defined!"));
}
//intuit can hold from presence of windup anim
currentMoveCanHold = currentMove.getHoldState() != null;
//stop movement tree
if(parent.containsKey(EntityDataStrings.SERVER_MOVEMENT_BT)){
BehaviorTree movementTree = CreatureUtils.serverGetEntityMovementTree(parent);
if(movementTree instanceof ServerGroundMovementTree){
((ServerGroundMovementTree)movementTree).interrupt();
}
}
Vector3d movementVector = CreatureUtils.getFacingVector(parent);
EntityUtils.getRotation(parent).rotationTo(MathUtils.getOriginVector(), new Vector3d(movementVector.x,movementVector.y,movementVector.z));
frameCurrent = 0;
} else {
setState(AttackTreeState.IDLE);
}
}
}
}
public void release(){
stillHold = false;
}
/**
* Interrupts the tree
*/
public void interrupt(){
setState(AttackTreeState.IDLE);
//activate hitboxes
List<Entity> attachedEntities = AttachUtils.getChildrenList(parent);
for(Entity currentAttached : attachedEntities){
if(HitboxCollectionState.hasHitboxState(currentAttached)){
HitboxCollectionState currentState = HitboxCollectionState.getHitboxState(currentAttached);
currentState.setActive(false);
}
}
}
@Override
public void simulate(float deltaTime){
frameCurrent = frameCurrent + (float)Globals.timekeeper.getDeltaFrames();
float velocity = CreatureUtils.getVelocity(parent);
Vector3d position = EntityUtils.getPosition(parent);
Vector3d movementVector = CreatureUtils.getFacingVector(parent);
//parse attached network messages
for(EntityMessage message : networkMessageQueue){
networkMessageQueue.remove(message);
switch(message.getMessageSubtype()){
case ATTACKUPDATE:
EntityUtils.getPosition(parent).set(message.getpositionX(),message.getpositionY(),message.getpositionZ());
break;
case STARTATTACK: {
start();
} break;
default:
//silently ignore
break;
}
}
//handle the drifting if we're supposed to currently
switch(driftState){
case DRIFT:
if(currentMove != null){
//calculate the vector of movement
CollisionObjUtils.getCollidable(parent).addImpulse(new Impulse(new Vector3d(movementVector), new Vector3d(0,0,0), new Vector3d(0,0,0), currentMove.getDriftGoal() * Globals.timekeeper.getSimFrameTime(), "movement"));
if(frameCurrent > currentMove.getDriftFrameEnd()){
setDriftState(AttackTreeDriftState.NO_DRIFT);
}
}
break;
case NO_DRIFT:
if(currentMove != null){
if(frameCurrent > currentMove.getDriftFrameStart() && frameCurrent < currentMove.getDriftFrameEnd()){
setDriftState(AttackTreeDriftState.DRIFT);
}
}
break;
}
// if(state != AttackTreeState.IDLE){
// System.out.println(frameCurrent);
// }
//state machine
switch(state){
case WINDUP: {
if(parent.containsKey(EntityDataStrings.SERVER_ROTATOR_TREE)){
ServerRotatorTree.getServerRotatorTree(parent).setActive(true);
}
this.stateTransitionUtil.simulate(AttackTreeState.WINDUP);
Globals.server.broadcastMessage(
EntityMessage.constructattackUpdateMessage(
parent.getId(),
System.currentTimeMillis(),
(float)position.x,
(float)position.y,
(float)position.z,
movementVector.x,
movementVector.y,
movementVector.z,
velocity,
0
)
);
} break;
case HOLD: {
this.stateTransitionUtil.simulate(AttackTreeState.HOLD);
if(!stillHold){
setState(AttackTreeState.ATTACK);
this.stateTransitionUtil.interrupt(AttackTreeState.HOLD);
}
} break;
case ATTACK: {
this.stateTransitionUtil.simulate(AttackTreeState.ATTACK);
//activate hitboxes
List<Entity> attachedEntities = AttachUtils.getChildrenList(parent);
for(Entity currentAttached : attachedEntities){
if(HitboxCollectionState.hasHitboxState(currentAttached)){
HitboxCollectionState currentState = HitboxCollectionState.getHitboxState(currentAttached);
currentState.setActive(true);
}
}
if(firesProjectile && projectileToFire != null){
//spawn projectile
//TODO: solve spawnPosition, initialVector
Vector3d spawnPosition = new Vector3d(0,0,0);
Quaterniond arrowRotation = new Quaterniond();
String targetBone = null;
ServerEquipState equipState = ServerEquipState.getEquipState(parent);
EquipPoint weaponPoint = null;
if((weaponPoint = equipState.getEquipPoint(attackingPoint)) != null){
targetBone = weaponPoint.getBone();
}
if(targetBone != null){
Actor parentActor = EntityUtils.getActor(parent);
//transform bone space
spawnPosition = new Vector3d(parentActor.getBonePosition(targetBone));
spawnPosition = spawnPosition.mul(((Vector3f)EntityUtils.getScale(parent)));
Quaterniond rotation = EntityUtils.getRotation(parent);
spawnPosition = spawnPosition.rotate(new Quaterniond(rotation.x,rotation.y,rotation.z,rotation.w));
//transform worldspace
spawnPosition.add(new Vector3d(EntityUtils.getPosition(parent)));
//set
// EntityUtils.getPosition(currentEntity).set(position);
//set rotation
// Quaternionf rotation = parentActor.getBoneRotation(targetBone);
// EntityUtils.getRotation(currentEntity).set(rotation).normalize();
// Vector3d facingAngle = CreatureUtils.getFacingVector(parent);
arrowRotation = parentActor.getBoneRotation(targetBone);
// EntityUtils.getRotation(currentEntity).rotationTo(MathUtils.ORIGIN_VECTORF, new Vector3f((float)facingAngle.x,(float)facingAngle.y,(float)facingAngle.z)).mul(parentActor.getBoneRotation(targetBone)).normalize();
}
Vector3f initialVector = new Vector3f((float)movementVector.x,(float)movementVector.y,(float)movementVector.z).normalize();
Realm parentRealm = Globals.realmManager.getEntityRealm(parent);
ProjectileUtils.serverSpawnBasicProjectile(parentRealm, projectileToFire, spawnPosition, arrowRotation, 750, initialVector, 0.03f);
projectileToFire = null;
}
Globals.server.broadcastMessage(
EntityMessage.constructattackUpdateMessage(
parent.getId(),
System.currentTimeMillis(),
(float)position.x,
(float)position.y,
(float)position.z,
movementVector.x,
movementVector.y,
movementVector.z,
velocity,
1
)
);
} break;
case COOLDOWN: {
this.stateTransitionUtil.simulate(AttackTreeState.COOLDOWN);
//deactive hitboxes
List<Entity> attachedEntities = AttachUtils.getChildrenList(parent);
for(Entity currentAttached : attachedEntities){
if(HitboxCollectionState.hasHitboxState(currentAttached)){
HitboxCollectionState currentState = HitboxCollectionState.getHitboxState(currentAttached);
currentState.setActive(false);
}
}
if(frameCurrent > currentMove.getWindupFrames() + currentMove.getAttackFrames() + currentMove.getCooldownFrames()){
setState(AttackTreeState.IDLE);
this.stateTransitionUtil.interrupt(AttackTreeState.COOLDOWN);
frameCurrent = 0;
if(parent.containsKey(EntityDataStrings.SERVER_ROTATOR_TREE)){
ServerRotatorTree.getServerRotatorTree(parent).setActive(false);
}
}
Globals.server.broadcastMessage(
EntityMessage.constructattackUpdateMessage(
parent.getId(),
System.currentTimeMillis(),
(float)position.x,
(float)position.y,
(float)position.z,
movementVector.x,
movementVector.y,
movementVector.z,
velocity,
2
)
);
} break;
case IDLE: {
currentMove = null;
currentMoveset = null;
} break;
}
}
public void addNetworkMessage(EntityMessage networkMessage) {
networkMessageQueue.add(networkMessage);
}
String getAttackType(){
String rVal = null;
if(ServerEquipState.hasEquipState(parent)){
ServerEquipState equipState = ServerEquipState.getEquipState(parent);
for(String point : equipState.equippedPoints()){
Entity item = equipState.getEquippedItemAtPoint(point);
if(ItemUtils.isWeapon(item)){
attackingPoint = point;
currentWeapon = item;
switch(ItemUtils.getWeaponClass(item)){
case "sword1h":
rVal = EntityDataStrings.ATTACK_MOVE_TYPE_MELEE_SWING_ONE_HAND;
break;
case "sword2h":
rVal = EntityDataStrings.ATTACK_MOVE_TYPE_MELEE_SWING_TWO_HAND;
break;
case "bow2h":
rVal = EntityDataStrings.ATTACK_MOVE_TYPE_BOW_TWO_HAND;
break;
}
}
}
}
return rVal;
}
/**
* Checks whether the entity can attack or not
* @param attackType The type of attack to perform
* @return true if it can attack, false otherwise
*/
boolean canAttack(String attackType){
boolean rVal = true;
if(attackType == null){
return false;
} else if(state != AttackTreeState.IDLE){
//checks if we have a next move and if we're in the specified range of frames when we're allowed to chain into it
if(
currentMove.getNextMoveId() != null &&
!currentMove.getNextMoveId().equals("") &&
frameCurrent >= currentMove.getMoveChainWindowStart() && frameCurrent <= currentMove.getMoveChainWindowEnd()
){
rVal = true;
}
} else {
if(ServerEquipState.hasEquipState(parent)){
// ServerEquipState equipState = ServerEquipState.getEquipState(parent);
// if(equipState.hasEquipPrimary()){
// switch(attackType){
// case EntityDataStrings.ATTACK_MOVE_TYPE_MELEE_SWING_ONE_HAND:
// break;
// default:
// rVal = false;
// break;
// }
// } else {
// switch(attackType){
// case EntityDataStrings.ATTACK_MOVE_TYPE_MELEE_SWING_ONE_HAND:
// rVal = false;
// break;
// default:
// rVal = false;
// break;
// }
// }
}
}
return rVal;
}
AttackMove getNextMove(List<AttackMove> moveset, String nextMoveId){
AttackMove rVal = null;
for(AttackMove move : moveset){
if(move.getAttackMoveId().equals(nextMoveId)){
rVal = move;
break;
}
}
return rVal;
}
/**
* Sets the current attack type of the entity
* @param attackType the current attack type
*/
public void setAttackMoveTypeActive(String attackType){
parent.putData(EntityDataStrings.ATTACK_MOVE_TYPE_ACTIVE, attackType);
}
/**
* Checks whether the attack tree is active or not
* @return true if active, false otherwise
*/
public boolean isAttacking(){
return this.state != AttackTreeState.IDLE;
}
/**
* Gets the current moveset
* @param attackType the attack type
* @return The moveset if it exists
*/
public List<AttackMove> getMoveset(String attackType){
return (List<AttackMove>)parent.getData(attackType);
}
/**
* <p> Automatically generated </p>
* <p>
* Sets state and handles the synchronization logic for it.
* </p>
* @param state The value to set state to.
*/
public void setState(AttackTreeState state){
this.state = state;
int value = ClientAttackTree.getAttackTreeStateEnumAsShort(state);
DataCellSearchUtils.getEntityDataCell(parent).broadcastNetworkMessage(SynchronizationMessage.constructUpdateClientStateMessage(parent.getId(), BehaviorTreeIdEnums.BTREE_SERVERATTACKTREE_ID, FieldIdEnums.TREE_SERVERATTACKTREE_SYNCEDFIELD_STATE_ID, value));
}
/**
* <p> Automatically generated </p>
* <p>
* Gets driftState.
* </p>
*/
public AttackTreeDriftState getDriftState(){
return driftState;
}
/**
* <p> Automatically generated </p>
* <p>
* Sets driftState and handles the synchronization logic for it.
* </p>
* @param driftState The value to set driftState to.
*/
public void setDriftState(AttackTreeDriftState driftState){
this.driftState = driftState;
int value = ClientAttackTree.getAttackTreeDriftStateEnumAsShort(driftState);
DataCellSearchUtils.getEntityDataCell(parent).broadcastNetworkMessage(SynchronizationMessage.constructUpdateClientStateMessage(parent.getId(), BehaviorTreeIdEnums.BTREE_SERVERATTACKTREE_ID, FieldIdEnums.TREE_SERVERATTACKTREE_SYNCEDFIELD_DRIFTSTATE_ID, value));
}
/**
* <p> (initially) Automatically generated </p>
* <p>
* Attaches this tree to the entity.
* </p>
* @param entity The entity to attach to
* @param tree The behavior tree to attach
* @param params Optional parameters that will be provided to the constructor
*/
public static ServerAttackTree attachTree(Entity parent, Object ... params){
ServerAttackTree rVal = new ServerAttackTree(parent,params);
//!!WARNING!! from here below should not be touched
//This was generated automatically to properly alert various systems that the btree exists and should be tracked
ServerBehaviorTreeUtils.attachBTreeToEntity(parent, rVal);
parent.putData(EntityDataStrings.TREE_SERVERATTACKTREE, rVal);
Globals.entityValueTrackingService.attachTreeToEntity(parent, BehaviorTreeIdEnums.BTREE_SERVERATTACKTREE_ID);
return rVal;
}
/**
* <p> Automatically generated </p>
* <p>
* Detatches this tree from the entity.
* </p>
* @param entity The entity to detach to
* @param tree The behavior tree to detach
*/
public static void detachTree(Entity entity, BehaviorTree tree){
Globals.entityValueTrackingService.detatchTreeFromEntity(entity, BehaviorTreeIdEnums.BTREE_SERVERATTACKTREE_ID);
}
/**
* <p>
* Gets the ServerAttackTree of the entity
* </p>
* @param entity the entity
* @return The ServerAttackTree
*/
public static ServerAttackTree getServerAttackTree(Entity entity){
return (ServerAttackTree)entity.getData(EntityDataStrings.TREE_SERVERATTACKTREE);
}
/**
* <p> Automatically generated </p>
* <p>
* Gets currentMoveId.
* </p>
*/
public String getCurrentMoveId(){
return currentMoveId;
}
/**
* <p> Automatically generated </p>
* <p>
* Sets currentMoveId and handles the synchronization logic for it.
* </p>
* @param currentMoveId The value to set currentMoveId to.
*/
public void setCurrentMoveId(String currentMoveId){
this.currentMoveId = currentMoveId;
DataCellSearchUtils.getEntityDataCell(parent).broadcastNetworkMessage(SynchronizationMessage.constructUpdateClientStringStateMessage(parent.getId(), BehaviorTreeIdEnums.BTREE_SERVERATTACKTREE_ID, FieldIdEnums.TREE_SERVERATTACKTREE_SYNCEDFIELD_CURRENTMOVEID_ID, currentMoveId));
}
}