private void paintChessPiece(Cuboid region, ChessStone stone, MassBlockUpdate mbu) {
assert region.getSizeX() >= stone.getSizeX();
assert region.getSizeZ() >= stone.getSizeZ();
int xOff = (region.getSizeX() - stone.getSizeX()) / 2;
int zOff = (region.getSizeZ() - stone.getSizeZ()) / 2;
Map<Block, MaterialWithData> deferred = new HashMap<Block, MaterialWithData>();
World world = region.getWorld();
for (int x = 0; x < stone.getSizeX(); x++) {
for (int y = 0; y < stone.getSizeY(); y++) {
for (int z = 0; z < stone.getSizeZ(); z++) {
MaterialWithData mat = stone.getMaterial(x, y, z);
if (mat.getId() == 0) {
// the region was pre-cleared, skip placing air a second time
continue;
}
Block b = region.getRelativeBlock(world, x + xOff, y, z + zOff);
if (BlockType.shouldPlaceLast(mat.getId())) {
deferred.put(b, mat);
} else {
mat.applyToBlock(b, mbu);
}
}
}
}
for (Entry<Block, MaterialWithData> e : deferred.entrySet()) {
e.getValue().applyToBlock(e.getKey(), mbu);
}
}
private void paintStruts(MassBlockUpdate mbu) {
MaterialData struts = boardStyle.getStrutsMaterial();
// vertical struts at the frame corners
Cuboid c =
new Cuboid(frameBoard.getLowerNE())
.shift(CuboidDirection.Up, 1)
.expand(CuboidDirection.Up, boardStyle.getHeight());
c.fill(struts, mbu);
c = c.shift(CuboidDirection.South, frameBoard.getSizeX() - 1);
c.fill(struts, mbu);
c = c.shift(CuboidDirection.West, frameBoard.getSizeZ() - 1);
c.fill(struts, mbu);
c = c.shift(CuboidDirection.North, frameBoard.getSizeZ() - 1);
c.fill(struts, mbu);
// horizontal struts along roof edge
Cuboid roof = frameBoard.shift(CuboidDirection.Up, boardStyle.getHeight() + 1);
roof.getFace(CuboidDirection.East).fill(struts, mbu);
roof.getFace(CuboidDirection.North).fill(struts, mbu);
roof.getFace(CuboidDirection.West).fill(struts, mbu);
roof.getFace(CuboidDirection.South).fill(struts, mbu);
}
/**
* Use Bresenham's algorithm to draw line between two squares on the board
*
* @param from Square index of the first square
* @param to Square index of the second square
* @param isHighlighting True if drawing a highlight, false if erasing it
*/
private void drawHighlightLine(int from, int to, boolean isHighlighting) {
if (from < 0 || to < 0 || from >= 64 || to >= 64) {
return;
}
Cuboid s1 = getSquare(Chess.sqiToRow(from), Chess.sqiToCol(from));
Cuboid s2 = getSquare(Chess.sqiToRow(to), Chess.sqiToCol(to));
Location loc1 = s1.getRelativeBlock(s1.getSizeX() / 2, 0, s1.getSizeZ() / 2).getLocation();
Location loc2 = s2.getRelativeBlock(s2.getSizeX() / 2, 0, s2.getSizeZ() / 2).getLocation();
int dx = Math.abs(loc1.getBlockX() - loc2.getBlockX());
int dz = Math.abs(loc1.getBlockZ() - loc2.getBlockZ());
int sx = loc1.getBlockX() < loc2.getBlockX() ? 1 : -1;
int sz = loc1.getBlockZ() < loc2.getBlockZ() ? 1 : -1;
int err = dx - dz;
while (loc1.getBlockX() != loc2.getBlockX() || loc1.getBlockZ() != loc2.getBlockZ()) {
int sqi = getSquareAt(loc1);
MaterialData m =
isHighlighting
? boardStyle.getHighlightMaterial(Chess.isWhiteSquare(sqi))
: (Chess.isWhiteSquare(sqi)
? boardStyle.getWhiteSquareMaterial()
: boardStyle.getBlackSquareMaterial());
loc1.getBlock().setTypeIdAndData(m.getItemTypeId(), m.getData(), false);
int e2 = 2 * err;
if (e2 > -dz) {
err -= dz;
loc1.add(sx, 0, 0);
}
if (e2 < dx) {
err += dx;
loc1.add(0, 0, sz);
}
}
}