private void playMovementSound() {
if (_godMode) return;
if ((MathHelper.fastAbs(_velocity.x) > 0.01 || MathHelper.fastAbs(_velocity.z) > 0.01)
&& _touchingGround) {
if (_currentFootstepSound == null) {
Vector3d playerDirection = directionOfReferencePoint();
_currentFootstepSound =
_footstepSounds[
MathHelper.fastAbs(_parent.getWorldProvider().getRandom().randomInt()) % 5];
_currentFootstepSound.playAsSoundEffect(
0.7f
+ (float) MathHelper.fastAbs(_parent.getWorldProvider().getRandom().randomDouble())
* 0.3f,
0.2f
+ (float) MathHelper.fastAbs(_parent.getWorldProvider().getRandom().randomDouble())
* 0.2f,
false,
(float) playerDirection.x,
(float) playerDirection.y,
(float) playerDirection.z);
} else {
long timeDiff = Terasology.getInstance().getTime() - _lastFootStepSoundPlayed;
if (!_currentFootstepSound.isPlaying()
&& timeDiff > 400 / (_activeWalkingSpeed / _walkingSpeed)) {
_lastFootStepSoundPlayed = Terasology.getInstance().getTime();
_currentFootstepSound = null;
}
}
}
}
/** Updates the status if the entity is currently swimming (in water). */
private void updateSwimStatus() {
ArrayList<BlockPosition> blockPositions = gatherAdjacentBlockPositions(getPosition());
boolean swimming = false, headUnderWater = false;
for (int i = 0; i < blockPositions.size(); i++) {
BlockPosition p = blockPositions.get(i);
byte blockType = _parent.getWorldProvider().getBlockAtPosition(new Vector3d(p.x, p.y, p.z));
AABB blockAABB = Block.AABBForBlockAt(p.x, p.y, p.z);
if (BlockManager.getInstance().getBlock(blockType).isLiquid()
&& getAABB().overlaps(blockAABB)) {
swimming = true;
}
Vector3d eyePos = calcEyePosition();
eyePos.y += 0.25;
if (BlockManager.getInstance().getBlock(blockType).isLiquid() && blockAABB.contains(eyePos)) {
headUnderWater = true;
}
}
_headUnderWater = headUnderWater;
_isSwimming = swimming;
}
/**
* Checks for blocks around the entity.
*
* @param origin The original position of the entity
* @return True if the entity is colliding horizontally
*/
private boolean horizontalHitTest(Vector3d origin) {
boolean result = false;
ArrayList<BlockPosition> blockPositions = gatherAdjacentBlockPositions(origin);
// Check each block position for collision
for (int i = 0; i < blockPositions.size(); i++) {
BlockPosition p = blockPositions.get(i);
byte blockType = _parent.getWorldProvider().getBlockAtPosition(new Vector3d(p.x, p.y, p.z));
AABB blockAABB = Block.AABBForBlockAt(p.x, p.y, p.z);
if (!BlockManager.getInstance().getBlock(blockType).isPenetrable()) {
if (getAABB().overlaps(blockAABB)) {
result = true;
// Calculate the direction from the origin to the current position
Vector3d direction = new Vector3d(getPosition().x, 0f, getPosition().z);
direction.x -= origin.x;
direction.z -= origin.z;
// Calculate the point of intersection on the block's AABB
Vector3d blockPoi = blockAABB.closestPointOnAABBToPoint(origin);
Vector3d entityPoi = generateAABBForPosition(origin).closestPointOnAABBToPoint(blockPoi);
Vector3d planeNormal =
blockAABB.normalForPlaneClosestToOrigin(blockPoi, origin, true, false, true);
// Find a vector parallel to the surface normal
Vector3d slideVector = new Vector3d(planeNormal.z, 0, -planeNormal.x);
Vector3d pushBack = new Vector3d();
pushBack.sub(blockPoi, entityPoi);
// Calculate the intensity of the diversion alongside the block
double length = slideVector.dot(direction);
Vector3d newPosition = new Vector3d();
newPosition.z = origin.z + pushBack.z * 0.2 + length * slideVector.z;
newPosition.x = origin.x + pushBack.x * 0.2 + length * slideVector.x;
newPosition.y = origin.y;
// Update the position
getPosition().set(newPosition);
}
}
}
return result;
}
/**
* Checks for blocks below and above the entity.
*
* @param origin The origin position of the entity
* @return True if a vertical collision was detected
*/
private boolean verticalHitTest(Vector3d origin) {
ArrayList<BlockPosition> blockPositions = gatherAdjacentBlockPositions(origin);
for (int i = 0; i < blockPositions.size(); i++) {
BlockPosition p = blockPositions.get(i);
byte blockType1 = _parent.getWorldProvider().getBlockAtPosition(new Vector3d(p.x, p.y, p.z));
AABB entityAABB = getAABB();
if (BlockManager.getInstance().getBlock(blockType1).isPenetrable()
|| !entityAABB.overlaps(Block.AABBForBlockAt(p.x, p.y, p.z))) continue;
double direction = origin.y - getPosition().y;
if (direction >= 0) getPosition().y = p.y + 0.50001f + entityAABB.getDimensions().y;
else getPosition().y = p.y - 0.50001f - entityAABB.getDimensions().y;
return true;
}
return false;
}
public Vector3d directionOfReferencePoint() {
Vector3d result = new Vector3d();
result.sub(_parent.getWorldProvider().getRenderingReferencePoint(), getPosition());
return result;
}
/** Updates the position of the entity. */
protected void updatePosition() {
// Save the previous position before changing any of the values
Vector3d oldPosition = new Vector3d(getPosition());
double friction =
(Double) ConfigurationManager.getInstance().getConfig().get("Player.friction");
/*
* Slowdown the speed of the entity each time this method is called.
*/
if (MathHelper.fastAbs(_velocity.y) > 0f) {
_velocity.y += -1f * _velocity.y * friction;
}
if (MathHelper.fastAbs(_velocity.x) > 0f) {
_velocity.x += -1f * _velocity.x * friction;
}
if (MathHelper.fastAbs(_velocity.z) > 0f) {
_velocity.z += -1f * _velocity.z * friction;
}
/*
* Apply friction.
*/
if (MathHelper.fastAbs(_velocity.x) > _activeWalkingSpeed
|| MathHelper.fastAbs(_velocity.z) > _activeWalkingSpeed
|| MathHelper.fastAbs(_velocity.y) > _activeWalkingSpeed) {
double max =
Math.max(
Math.max(MathHelper.fastAbs(_velocity.x), MathHelper.fastAbs(_velocity.z)),
MathHelper.fastAbs(_velocity.y));
double div = max / _activeWalkingSpeed;
_velocity.x /= div;
_velocity.z /= div;
_velocity.y /= div;
}
/*
* Increase the speed of the entity by adding the movement
* vector to the acceleration vector.
*/
_velocity.x += _movementDirection.x;
_velocity.y += _movementDirection.y;
_velocity.z += _movementDirection.z;
double maxGravity =
(Double) ConfigurationManager.getInstance().getConfig().get("Player.maxGravity");
double maxGravitySwimming =
(Double) ConfigurationManager.getInstance().getConfig().get("Player.maxGravitySwimming");
double gravitySwimming =
(Double) ConfigurationManager.getInstance().getConfig().get("Player.gravitySwimming");
double gravity = (Double) ConfigurationManager.getInstance().getConfig().get("Player.gravity");
// Normal gravity
if (_gravity > -maxGravity && !_godMode && !_isSwimming) {
_gravity -= gravity;
}
if (_gravity < -maxGravity && !_godMode && !_isSwimming) {
_gravity = -maxGravity;
}
// Gravity under water
if (_gravity > -maxGravitySwimming && !_godMode && _isSwimming) {
_gravity -= gravitySwimming;
}
if (_gravity < -maxGravitySwimming && !_godMode && _isSwimming) {
_gravity = -maxGravitySwimming;
}
getPosition().y += _velocity.y;
getPosition().y += _gravity;
if (!_godMode) {
if (verticalHitTest(oldPosition)) {
handleVerticalCollision();
double oldGravity = _gravity;
_gravity = 0;
if (oldGravity <= 0) {
// Jumping is only possible, if the entity is standing on ground
if (_jump) {
_jump = false;
_gravity = _jumpIntensity;
}
// Entity reaches the ground
if (!_touchingGround) {
Vector3d playerDirection = directionOfReferencePoint();
_footstepSounds[
MathHelper.fastAbs(_parent.getWorldProvider().getRandom().randomInt()) % 5]
.playAsSoundEffect(
0.7f
+ (float)
MathHelper.fastAbs(
_parent.getWorldProvider().getRandom().randomDouble())
* 0.3f,
0.2f
+ (float)
MathHelper.fastAbs(
_parent.getWorldProvider().getRandom().randomDouble())
* 0.3f,
false,
(float) playerDirection.x,
(float) playerDirection.y,
(float) playerDirection.z);
_touchingGround = true;
}
} else {
_touchingGround = false;
}
} else {
_touchingGround = false;
}
} else {
_gravity = 0f;
}
oldPosition.set(getPosition());
/*
* Update the position of the entity
* according to the acceleration vector.
*/
getPosition().x += _velocity.x;
getPosition().z += _velocity.z;
_stepCounter += Math.max(MathHelper.fastAbs(_velocity.x), MathHelper.fastAbs(_velocity.z));
/*
* Check for horizontal collisions __after__ checking for vertical
* collisions.
*/
if (!_godMode) {
if (horizontalHitTest(oldPosition)) {
handleHorizontalCollision();
}
}
}
public IWorldProvider getActiveWorldProvider() {
return _worldRenderer.getWorldProvider();
}
/** Init. a new random world. */
public void initWorld(String title, String seed) {
final FastRandom random = new FastRandom();
// Get rid of the old world
if (_worldRenderer != null) {
_worldRenderer.dispose();
_worldRenderer = null;
}
if (seed == null) {
seed = random.randomCharacterString(16);
} else if (seed.isEmpty()) {
seed = random.randomCharacterString(16);
}
Terasology.getInstance()
.getLogger()
.log(Level.INFO, "Creating new World with seed \"{0}\"", seed);
// Init. a new world
_worldRenderer = new WorldRenderer(title, seed, _entityManager, _localPlayerSys);
File entityDataFile =
new File(Terasology.getInstance().getWorldSavePath(title), ENTITY_DATA_FILE);
_entityManager.clear();
if (entityDataFile.exists()) {
try {
_entityManager.load(entityDataFile, EntityManager.SaveFormat.Binary);
} catch (IOException e) {
_logger.log(Level.SEVERE, "Failed to load entity data", e);
}
}
LocalPlayer localPlayer = null;
Iterator<EntityRef> iterator =
_entityManager.iteratorEntities(LocalPlayerComponent.class).iterator();
if (iterator.hasNext()) {
localPlayer = new LocalPlayer(iterator.next());
} else {
PlayerFactory playerFactory = new PlayerFactory(_entityManager);
localPlayer =
new LocalPlayer(
playerFactory.newInstance(
new Vector3f(_worldRenderer.getWorldProvider().nextSpawningPoint())));
}
_worldRenderer.setPlayer(localPlayer);
// Create the first Portal if it doesn't exist yet
_worldRenderer.initPortal();
fastForwardWorld();
CoreRegistry.put(WorldRenderer.class, _worldRenderer);
CoreRegistry.put(IWorldProvider.class, _worldRenderer.getWorldProvider());
CoreRegistry.put(LocalPlayer.class, _worldRenderer.getPlayer());
CoreRegistry.put(Camera.class, _worldRenderer.getActiveCamera());
CoreRegistry.put(BulletPhysicsRenderer.class, _worldRenderer.getBulletRenderer());
for (ComponentSystem system : _componentSystemManager.iterateAll()) {
system.initialise();
}
}