private boolean decrease(Block block) {
if (block == null) return false;
if (hasAnyMoved(block)) return false;
setMoved(block);
Block botBlock = block.getRelative(BlockFace.DOWN);
int length = 1;
if (BlockTools.isEarthbendable(player, botBlock)) {
length = 2;
block = botBlock;
}
return BlockTools.moveEarth(player, block, new Vector(0, -1, 0), length, false);
}
private static Location getInitialLocation(Player player, Vector direction) {
Location location = player.getLocation().clone().add(0, -1, 0);
direction = direction.normalize();
Block block1 = location.getBlock();
while (location.getBlock().equals(block1)) location = location.clone().add(direction);
for (int i : new int[] {1, 2, 3, 0, -1}) {
Location loc;
loc = location.clone().add(0, i, 0);
Block topBlock = loc.getBlock();
Block botBlock = loc.clone().add(0, -1, 0).getBlock();
if (BlockTools.isTransparentToEarthbending(player, topBlock)
&& BlockTools.isEarthbendable(player, botBlock)) {
location = loc.clone().add(0, -1, 0);
return location;
}
}
return null;
}
private boolean increase(Block block) {
if (block == null) return false;
if (hasAnyMoved(block)) return false;
setMoved(block);
Block botblock = block.getRelative(BlockFace.DOWN);
int length = 1;
if (BlockTools.isEarthbendable(player, botblock)) {
length = 2;
}
if (BlockTools.moveEarth(player, block, new Vector(0, 1, 0), length, false)) {
for (Entity entity :
EntityTools.getEntitiesAroundPoint(block.getLocation().clone().add(0, 1, 0), 2)) {
if (entity.getEntityId() != player.getEntityId() && !entities.contains(entity)) {
if (!(entity instanceof FallingBlock)) {
entities.add(entity);
}
}
}
return true;
}
return false;
}
private void initializeLocations() {
Location location = origin.clone();
locations.add(location);
while (location.distance(origin) < RADIUS) {
location = location.clone().add(direction);
for (int i : new int[] {1, 2, 3, 0, -1}) {
Location loc;
loc = location.clone().add(0, i, 0);
Block topBlock = loc.getBlock();
Block botBlock = loc.clone().add(0, -1, 0).getBlock();
if (BlockTools.isTransparentToEarthbending(player, topBlock)
&& !topBlock.isLiquid()
&& BlockTools.isEarthbendable(player, botBlock)) {
location = loc.clone().add(0, -1, 0);
locations.add(location);
break;
} else if (i == -1) {
return;
}
}
}
}
public boolean progress() {
boolean result = true;
if (origin == null) {
return false; // TODO problem
}
if (!BlockTools.isEarthbendable(player, origin.getBlock())) {
return false;
}
blocks.clear();
if (step < maxstep) {
Location newLocation = locations.get(step);
Block block = location.getBlock();
location = newLocation.clone();
if (!newLocation.getBlock().equals(block)) {
block1 = block2;
block2 = block3;
block3 = block4;
block4 = newLocation.getBlock();
if (block1 != null)
if (hasAnyMoved(block1)) {
block1 = null;
}
if (block2 != null)
if (hasAnyMoved(block2)) {
block2 = null;
}
if (block3 != null)
if (hasAnyMoved(block3)) {
block3 = null;
}
if (block4 != null)
if (hasAnyMoved(block4)) {
block4 = null;
}
if (step == 0) {
if (increase(block4)) block4 = block4.getRelative(BlockFace.UP);
} else if (step == 1) {
if (increase(block3)) block3 = block3.getRelative(BlockFace.UP);
if (increase(block4)) block4 = block4.getRelative(BlockFace.UP);
} else if (step == 2) {
if (decrease(block2)) block2 = block2.getRelative(BlockFace.DOWN);
if (increase(block3)) block3 = block3.getRelative(BlockFace.UP);
if (increase(block4)) block4 = block4.getRelative(BlockFace.UP);
} else {
if (decrease(block1)) block1 = block1.getRelative(BlockFace.DOWN);
if (decrease(block2)) block2 = block2.getRelative(BlockFace.DOWN);
if (increase(block3)) block3 = block3.getRelative(BlockFace.UP);
if (increase(block4)) block4 = block4.getRelative(BlockFace.UP);
}
}
} else if (step == maxstep) {
if (decrease(block2)) block2 = block2.getRelative(BlockFace.DOWN);
if (decrease(block3)) block3 = block3.getRelative(BlockFace.DOWN);
if (increase(block4)) block4 = block4.getRelative(BlockFace.UP);
} else if (step == maxstep + 1) {
if (decrease(block3)) block3 = block3.getRelative(BlockFace.DOWN);
if (decrease(block4)) block4 = block4.getRelative(BlockFace.DOWN);
} else if (step == maxstep + 2) {
if (decrease(block4)) block4 = block4.getRelative(BlockFace.DOWN);
result = false;
}
step += 1;
for (Entity entity : entities) affect(entity);
entities.clear();
return result;
}