/**
* Rotate the clipboard in 2D. It can only rotate by angles divisible by 90.
*
* @param angle in degrees
*/
public void rotate2D(int angle) {
angle = angle % 360;
if (angle % 90 != 0) { // Can only rotate 90 degrees at the moment
return;
}
boolean reverse = angle < 0;
int numRotations = Math.abs((int) Math.floor(angle / 90.0));
int width = getWidth();
int length = getLength();
int height = getHeight();
Vector sizeRotated = size.transform2D(angle, 0, 0, 0, 0);
int shiftX = sizeRotated.getX() < 0 ? -sizeRotated.getBlockX() - 1 : 0;
int shiftZ = sizeRotated.getZ() < 0 ? -sizeRotated.getBlockZ() - 1 : 0;
BaseBlock newData[][][] =
new BaseBlock[Math.abs(sizeRotated.getBlockX())][Math.abs(sizeRotated.getBlockY())]
[Math.abs(sizeRotated.getBlockZ())];
for (int x = 0; x < width; ++x) {
for (int z = 0; z < length; ++z) {
Vector v = (new Vector(x, 0, z)).transform2D(angle, 0, 0, 0, 0);
int newX = v.getBlockX();
int newZ = v.getBlockZ();
for (int y = 0; y < height; ++y) {
BaseBlock block = data[x][y][z];
newData[shiftX + newX][y][shiftZ + newZ] = block;
if (reverse) {
for (int i = 0; i < numRotations; ++i) {
block.rotate90Reverse();
}
} else {
for (int i = 0; i < numRotations; ++i) {
block.rotate90();
}
}
}
}
}
data = newData;
size =
new Vector(
Math.abs(sizeRotated.getBlockX()),
Math.abs(sizeRotated.getBlockY()),
Math.abs(sizeRotated.getBlockZ()));
offset = offset.transform2D(angle, 0, 0, 0, 0).subtract(shiftX, 0, shiftZ);
}
/**
* Flip the clipboard.
*
* @param dir direction to flip
* @param aroundPlayer flip the offset around the player
*/
public void flip(FlipDirection dir, boolean aroundPlayer) {
final int width = getWidth();
final int length = getLength();
final int height = getHeight();
switch (dir) {
case WEST_EAST:
final int wid = (int) Math.ceil(width / 2.0f);
for (int xs = 0; xs < wid; ++xs) {
for (int z = 0; z < length; ++z) {
for (int y = 0; y < height; ++y) {
BaseBlock old = data[xs][y][z].flip(dir);
if (xs == width - xs - 1) continue;
data[xs][y][z] = data[width - xs - 1][y][z].flip(dir);
data[width - xs - 1][y][z] = old;
}
}
}
if (aroundPlayer) {
offset = offset.setX(1 - offset.getX() - width);
}
break;
case NORTH_SOUTH:
final int len = (int) Math.ceil(length / 2.0f);
for (int zs = 0; zs < len; ++zs) {
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
BaseBlock old = data[x][y][zs].flip(dir);
if (zs == length - zs - 1) continue;
data[x][y][zs] = data[x][y][length - zs - 1].flip(dir);
data[x][y][length - zs - 1] = old;
}
}
}
if (aroundPlayer) {
offset = offset.setZ(1 - offset.getZ() - length);
}
break;
case UP_DOWN:
final int hei = (int) Math.ceil(height / 2.0f);
for (int ys = 0; ys < hei; ++ys) {
for (int x = 0; x < width; ++x) {
for (int z = 0; z < length; ++z) {
BaseBlock old = data[x][ys][z].flip(dir);
if (ys == height - ys - 1) continue;
data[x][ys][z] = data[x][height - ys - 1][z].flip(dir);
data[x][height - ys - 1][z] = old;
}
}
}
if (aroundPlayer) {
offset = offset.setY(1 - offset.getY() - height);
}
break;
}
}