private boolean canPlace() {
for (int x = start.getFloorX(); x < end.getFloorX(); x++) {
for (int z = start.getFloorZ(); z < end.getFloorZ(); z++) {
for (int y = end.getFloorY() + 1; y >= start.getFloorY() - 1; y--) {
if (blockData.get(chunk.getFloorX() + x, y, chunk.getFloorZ() + z) instanceof Lava) {
return false;
}
if (y != start.getFloorY() - 1
&& x != start.getFloorX()
&& x != end.getFloorX() - 1
&& z != start.getFloorZ()
&& z != end.getFloorZ() - 1) {
y = start.getFloorY();
}
}
}
}
return true;
}
private void place() {
for (int x = start.getFloorX(); x < end.getFloorX(); x++) {
final double xOffset = (chunk.getX() + x + 0.5f - target.getX()) / horizontalSize;
for (int z = start.getFloorZ(); z < end.getFloorZ(); z++) {
final double zOffset = (chunk.getZ() + z + 0.5f - target.getZ()) / horizontalSize;
if (xOffset * xOffset + zOffset * zOffset >= 1) {
continue;
}
for (int y = end.getFloorY() - 1; y >= start.getFloorY(); y--) {
final double yOffset = (y + 0.5f - target.getY()) / verticalSize;
if (yOffset > -0.7 && xOffset * xOffset + yOffset * yOffset + zOffset * zOffset < 1) {
final int xx = chunk.getFloorX() + x;
final int zz = chunk.getFloorZ() + z;
final BlockMaterial material = blockData.get(xx, y, zz);
if (material.equals(VanillaMaterials.NETHERRACK)) {
blockData.set(xx, y, zz, VanillaMaterials.AIR);
}
}
}
}
}
}
/**
* Simulates the result of a blocks falling inside a buffer. If the blocks reach the bottom of the
* buffer without hitting any obstacles they may either be removed or stopped at the bottom. If
* the block at (x, y, z) is not a SolidMoving, nothing will happen, else it and the blocks above
* will be subject to the simulation. If the blocks fall on a placement obstacle (such as a torch)
* they will be removed.
*
* @param buffer The buffer in which to simulate the fall.
* @param x The x coordinate of the block.
* @param y The y coordinate of the block.
* @param z The Z coordinate of the block.
* @param remove If the blocks should be removed after reaching the bottom of the buffer, or
* stopped.
*/
public static void simulateFall(
CuboidBlockMaterialBuffer buffer, int x, int y, int z, boolean remove) {
if (!buffer.isInside(x, y, z)) {
return;
}
BlockMaterial falling = buffer.get(x, y, z);
if (!(falling instanceof SolidMoving)) {
return;
}
int baseY = buffer.getBase().getFloorY();
for (int obstacleY = y; --obstacleY >= baseY; ) {
if (FallingBlock.isFallingObstacle(buffer.get(x, obstacleY, z))) {
// obstacle found
if (obstacleY == y - 1) {
// right underneath, nowhere to fall
return;
}
if (buffer.get(x, ++obstacleY, z).isPlacementObstacle()) {
// blocks can't stay here. Delete them
remove = true;
break;
}
do {
// move the blocks above the obstacle
buffer.set(x, obstacleY++, z, falling);
buffer.set(x, y++, z, VanillaMaterials.AIR);
} while ((falling = buffer.get(x, y, z)) instanceof SolidMoving);
return;
}
}
// no obstacle found
if (remove) {
// delete the blocks
final int topY = buffer.getTop().getFloorY() - 1;
do {
buffer.set(x, y++, z, VanillaMaterials.AIR);
} while (y <= topY && buffer.get(x, y, z) instanceof SolidMoving);
} else {
// move the blocks to the bottom of the buffer
do {
buffer.set(x, baseY++, z, falling);
buffer.set(x, y++, z, VanillaMaterials.AIR);
} while ((falling = buffer.get(x, y, z)) instanceof SolidMoving);
}
}