/** 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;
}
/** Draw the icon. */
public void render() {
if (_blockFamily == null) {
_element.renderTransformed();
} else {
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glPushMatrix();
glTranslatef(4f, 0f, 0f);
GL11.glScalef(20f, 20f, 20f);
GL11.glRotatef(170f, 1f, 0f, 0f);
GL11.glRotatef(-16f, 0f, 1f, 0f);
TextureManager.getInstance().bindTexture("terrain");
Block block = _blockFamily.getArchetypeBlock();
block.render();
GL11.glPopMatrix();
GL11.glDisable(GL11.GL_TEXTURE_2D);
}
}
public FloatBuffer calcCoordinatesForWavingBlocks() {
FloatBuffer buffer = BufferUtils.createFloatBuffer(32);
int counter = 0;
for (Block b : _blocksByTitle.values()) {
if (b.isWaving()) {
Vector2f pos = b.getTextureAtlasPos(Side.TOP);
buffer.put(pos.x * Block.TEXTURE_OFFSET);
buffer.put(pos.y * Block.TEXTURE_OFFSET);
counter++;
}
}
while (counter < 16) {
buffer.put(-1);
buffer.put(-1);
counter++;
}
buffer.flip();
return buffer;
}
public void render() {
FloatBuffer mBuffer = BufferUtils.createFloatBuffer(16);
float[] mFloat = new float[16];
GL11.glPushMatrix();
Vector3d cameraPosition = _parent.getActiveCamera().getPosition();
GL11.glTranslated(-cameraPosition.x, -cameraPosition.y, -cameraPosition.z);
List<CollisionObject> collisionObjects = _discreteDynamicsWorld.getCollisionObjectArray();
for (CollisionObject co : collisionObjects) {
if (co.getClass().equals(BlockRigidBody.class)) {
BlockRigidBody br = (BlockRigidBody) co;
Block block = BlockManager.getInstance().getBlock(br.getType());
Transform t = new Transform();
br.getMotionState().getWorldTransform(t);
t.getOpenGLMatrix(mFloat);
mBuffer.put(mFloat);
mBuffer.flip();
GL11.glPushMatrix();
GL11.glMultMatrix(mBuffer);
if (br.getCollisionShape() == _blockShapeHalf) GL11.glScalef(0.5f, 0.5f, 0.5f);
else if (br.getCollisionShape() == _blockShapeQuarter) GL11.glScalef(0.25f, 0.25f, 0.25f);
block.renderWithLightValue(_parent.getRenderingLightValueAt(new Vector3d(t.origin)));
GL11.glPopMatrix();
}
}
GL11.glPopMatrix();
}
public BlockRigidBody[] addLootableBlocks(Vector3f position, Block block) {
BlockRigidBody result[] = new BlockRigidBody[8];
for (int i = 0; i < block.getLootAmount(); i++) {
// Position the smaller blocks
Vector3f offsetPossition =
new Vector3f(
(float) _random.randomDouble() * 0.5f,
(float) _random.randomDouble() * 0.5f,
(float) _random.randomDouble() * 0.5f);
offsetPossition.add(position);
result[i] =
addBlock(
offsetPossition,
block.getId(),
new Vector3f(0.0f, 4000f, 0.0f),
BLOCK_SIZE.QUARTER_SIZE,
false);
}
return result;
}
/**
* Adds a new physics block to be rendered as a rigid body. Translucent blocks are ignored.
*
* @param position The position
* @param type The block type
* @param impulse An impulse
* @param size The size of the block
* @return The created rigid body (if any)
*/
public synchronized BlockRigidBody addBlock(
Vector3f position, byte type, Vector3f impulse, BLOCK_SIZE size, boolean temporary) {
if (temporary && _blocks.size() > MAX_TEMP_BLOCKS) return null;
BoxShape shape = _blockShape;
Block block = BlockManager.getInstance().getBlock(type);
if (block.isTranslucent()) return null;
if (size == BLOCK_SIZE.HALF_SIZE) shape = _blockShapeHalf;
else if (size == BLOCK_SIZE.QUARTER_SIZE) shape = _blockShapeQuarter;
Matrix3f rot = new Matrix3f();
rot.setIdentity();
DefaultMotionState blockMotionState =
new DefaultMotionState(new Transform(new Matrix4f(rot, position, 1.0f)));
Vector3f fallInertia = new Vector3f();
shape.calculateLocalInertia(block.getMass(), fallInertia);
RigidBodyConstructionInfo blockCI =
new RigidBodyConstructionInfo(block.getMass(), blockMotionState, shape, fallInertia);
BlockRigidBody rigidBlock = new BlockRigidBody(blockCI, type);
rigidBlock.setRestitution(0.0f);
rigidBlock.setAngularFactor(0.5f);
rigidBlock.setFriction(0.5f);
rigidBlock._temporary = temporary;
// Apply impulse
rigidBlock.applyImpulse(impulse, new Vector3f(0.0f, 0.0f, 0.0f));
_insertionQueue.add(rigidBlock);
return rigidBlock;
}
/**
* 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;
}
public void render() {
// Update the viewing direction
setViewingDirection(_yaw, _pitch);
if ((Boolean)
ConfigurationManager.getInstance().getConfig().get("System.Debug.debugCollision")) {
getAABB().render(2f);
ArrayList<BlockPosition> blocks = gatherAdjacentBlockPositions(getPosition());
for (int i = 0; i < blocks.size(); i++) {
BlockPosition p = blocks.get(i);
AABB blockAABB = Block.AABBForBlockAt(p.x, p.y, p.z);
blockAABB.render(2f);
}
}
}
/**
* 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 void addAllBlocks(Map<Byte, Block> blocks) {
_blocksById.putAll(blocks);
for (Block b : blocks.values()) {
_blocksByTitle.put(b.getTitle(), b);
}
}
public void removeBlock(Block block) {
_blocksById.remove(block.getId());
_blocksByTitle.remove(block.getTitle());
}
public void addBlock(Block block) {
_blocksById.put(block.getId(), block);
_blocksByTitle.put(block.getTitle(), block);
}
private void checkForLootedBlocks() {
LocalPlayer player = CoreRegistry.get(LocalPlayer.class);
// to send blocks to minions, some needed classes
EntityRef playerent = player.getEntity();
LocalPlayerComponent localPlayerComp = playerent.getComponent(LocalPlayerComponent.class);
MinionBarComponent inventory = null;
EntityRef closestminion = null;
if (localPlayerComp.minionMode) {
inventory = playerent.getComponent(MinionBarComponent.class);
}
for (int i = _blocks.size() - 1; i >= 0; i--) {
BlockRigidBody b = _blocks.get(i);
if (b._temporary) continue;
float closestDist = 99999;
if (inventory != null) {
// check for the closest minion
Iterator<EntityRef> it = inventory.MinionSlots.iterator();
while (it.hasNext()) {
EntityRef minion = it.next();
if (b.distanceToEntity(minion) < closestDist) {
closestDist = b.distanceToEntity(minion);
closestminion = minion;
}
}
}
if (localPlayerComp.minionMode) {
if (closestDist < 8 && !b._picked) {
b._picked = true;
}
} else {
closestDist = b.distanceToPlayer();
// Check if the block is close enough to the player
if (b.distanceToPlayer() < 8.0f && !b._picked) {
// Mark it as picked and remove it from the simulation
b._picked = true;
}
}
// Block was marked as being picked
if (b._picked && closestDist < 32.0f) {
// Animate the movement in direction of the player
if (closestDist > 1.0) {
Transform t = new Transform();
b.getMotionState().getWorldTransform(t);
Matrix4f tMatrix = new Matrix4f();
t.getMatrix(tMatrix);
Vector3f blockPlayer = new Vector3f();
tMatrix.get(blockPlayer);
if (localPlayerComp.minionMode && closestminion != null) {
LocationComponent minionloc = closestminion.getComponent(LocationComponent.class);
if (minionloc != null) blockPlayer.sub(minionloc.getWorldPosition());
else blockPlayer.sub(new Vector3f());
} else {
blockPlayer.sub(new Vector3f(player.getPosition()));
}
blockPlayer.normalize();
blockPlayer.scale(-16000f);
b.applyCentralImpulse(blockPlayer);
} else {
// TODO: Handle full inventories
// TODO: Loot blocks should be entities
// Block was looted (and reached the player)
Block block = BlockManager.getInstance().getBlock(b.getType());
EntityRef blockItem = _blockItemFactory.newInstance(block.getBlockFamily());
if (localPlayerComp.minionMode) {
if (closestminion != null) {
closestminion.send(new ReceiveItemEvent(blockItem));
}
} else {
playerent.send(new ReceiveItemEvent(blockItem));
}
ItemComponent itemComp = blockItem.getComponent(ItemComponent.class);
if (itemComp != null && !itemComp.container.exists()) {
blockItem.destroy();
}
AudioManager.play(new AssetUri(AssetType.SOUND, "engine:Loot"));
_blocks.remove(i);
_discreteDynamicsWorld.removeRigidBody(b);
}
}
}
}