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);
           }
         }
       }
     }
   }
 }
Example #3
0
 /**
  * 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);
   }
 }