public void setToInterpolateState(
EntityRef entity, CharacterStateEvent a, CharacterStateEvent b, long time) {
float t = (float) (time - a.getTime()) / (b.getTime() - a.getTime());
Vector3f newPos = BaseVector3f.lerp(a.getPosition(), b.getPosition(), t);
Quat4f newRot = BaseQuat4f.interpolate(a.getRotation(), b.getRotation(), t);
LocationComponent location = entity.getComponent(LocationComponent.class);
location.setWorldPosition(newPos);
location.setWorldRotation(newRot);
entity.saveComponent(location);
CharacterMovementComponent movementComponent =
entity.getComponent(CharacterMovementComponent.class);
movementComponent.mode = a.getMode();
movementComponent.setVelocity(a.getVelocity());
movementComponent.grounded = a.isGrounded();
if (b.getFootstepDelta() < a.getFootstepDelta()) {
movementComponent.footstepDelta =
t * (1 + b.getFootstepDelta() - a.getFootstepDelta()) + a.getFootstepDelta();
if (movementComponent.footstepDelta > 1) {
movementComponent.footstepDelta -= 1;
}
} else {
movementComponent.footstepDelta =
t * (b.getFootstepDelta() - a.getFootstepDelta()) + a.getFootstepDelta();
}
entity.saveComponent(movementComponent);
extrapolateCharacterComponent(entity, b);
setPhysicsLocation(entity, newPos);
}
private void extrapolateLocationComponent(
EntityRef entity, CharacterStateEvent state, Vector3f newPos) {
LocationComponent location = entity.getComponent(LocationComponent.class);
location.setWorldPosition(newPos);
location.setWorldRotation(state.getRotation());
entity.saveComponent(location);
}
private void followToParent(final CharacterStateEvent state, EntityRef entity) {
LocationComponent locationComponent = entity.getComponent(LocationComponent.class);
if (!locationComponent.getParent().equals(EntityRef.NULL)) {
Vector3f velocity = new Vector3f(locationComponent.getWorldPosition());
velocity.sub(state.getPosition());
state.getVelocity().set(velocity);
state.getPosition().set(locationComponent.getWorldPosition());
}
}
@ReceiveEvent
public void onPlaySound(PlaySoundEvent playSoundEvent, EntityRef entity) {
LocationComponent location = entity.getComponent(LocationComponent.class);
if (location != null) {
audioManager.playSound(
playSoundEvent.getSound(),
location.getWorldPosition(),
playSoundEvent.getVolume(),
AudioManager.PRIORITY_NORMAL);
} else {
audioManager.playSound(playSoundEvent.getSound(), playSoundEvent.getVolume());
}
}
private PlayerStoreBuilder createPlayerStore(Client client, EntityRef character) {
LocationComponent location = character.getComponent(LocationComponent.class);
Vector3f relevanceLocation;
if (location != null) {
relevanceLocation = location.getWorldPosition();
} else {
relevanceLocation = new Vector3f();
}
Long characterId;
if (character.exists()) {
characterId = character.getId();
} else {
characterId = null;
}
return new PlayerStoreBuilder(characterId, relevanceLocation);
}
/**
* Sets the state of the given entity to the state represented by the CharacterStateEvent. The
* state of the entity is determined by its LocationComponent (location and orientation of physics
* body), CharacterMovementComponent (velocity and various movement state variables) and
* CharacterComponent for pitch and yaw (used for the camera).
*
* @param entity
* @param state
*/
public void setToState(EntityRef entity, CharacterStateEvent state) {
LocationComponent location = entity.getComponent(LocationComponent.class);
CharacterMovementComponent movementComp = entity.getComponent(CharacterMovementComponent.class);
CharacterComponent characterComponent = entity.getComponent(CharacterComponent.class);
if (location == null || movementComp == null || characterComponent == null) {
return;
}
location.setWorldPosition(state.getPosition());
location.setWorldRotation(state.getRotation());
entity.saveComponent(location);
movementComp.mode = state.getMode();
movementComp.setVelocity(state.getVelocity());
movementComp.grounded = state.isGrounded();
movementComp.footstepDelta = state.getFootstepDelta();
entity.saveComponent(movementComp);
characterComponent.pitch = state.getPitch();
characterComponent.yaw = state.getYaw();
entity.saveComponent(characterComponent);
setPhysicsLocation(entity, state.getPosition());
}
public static void setToExtrapolateState(EntityRef entity, CharacterStateEvent state, long time) {
float t = (time - state.getTime()) * 0.0001f;
Vector3f newPos = new Vector3f(state.getVelocity());
newPos.scale(t);
newPos.add(state.getPosition());
LocationComponent location = entity.getComponent(LocationComponent.class);
location.setWorldPosition(newPos);
location.setWorldRotation(state.getRotation());
entity.saveComponent(location);
CharacterMovementComponent movementComponent =
entity.getComponent(CharacterMovementComponent.class);
movementComponent.mode = state.getMode();
movementComponent.setVelocity(state.getVelocity());
movementComponent.grounded = state.isGrounded();
entity.saveComponent(movementComponent);
CharacterComponent characterComponent = entity.getComponent(CharacterComponent.class);
characterComponent.pitch = state.pitch;
characterComponent.yaw = state.yaw;
entity.saveComponent(characterComponent);
setPhysicsLocation(entity, newPos);
}
