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Added //cyl and //hcyl.

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sk89q
2010-10-17 17:22:29 -07:00
parent 9934e8fdc3
commit 3031480b38
2 changed files with 186 additions and 1 deletions
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158
src/EditSession.java
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@ -822,7 +822,163 @@ public class EditSession {
return affected;
}
/**
* Helper method to draw the cylinder.
*
* @param center
* @param x
* @param z
* @param height
* @param block
* @throws MaxChangedBlocksException
*/
private int makeHCylinderPoints(Vector center, int x, int z,
int height, BaseBlock block) throws MaxChangedBlocksException {
int affected = 0;
if (x == 0) {
for (int y = 0; y < height; y++) {
setBlock(center.add(0, y, z), block);
setBlock(center.add(0, y, -z), block);
setBlock(center.add(z, y, 0), block);
setBlock(center.add(-z, y, 0), block);
affected += 4;
}
} else if (x == z) {
for (int y = 0; y < height; y++) {
setBlock(center.add(x, y, z), block);
setBlock(center.add(-x, y, z), block);
setBlock(center.add(x, y, -z), block);
setBlock(center.add(-x, y, -z), block);
affected += 4;
}
} else if (x < z) {
for (int y = 0; y < height; y++) {
setBlock(center.add(x, y, z), block);
setBlock(center.add(-x, y, z), block);
setBlock(center.add(x, y, -z), block);
setBlock(center.add(-x, y, -z), block);
setBlock(center.add(z, y, x), block);
setBlock(center.add(-z, y, x), block);
setBlock(center.add(z, y, -x), block);
setBlock(center.add(-z, y, -x), block);
affected += 8;
}
}
return affected;
}
/**
* Draw a hollow cylinder.
*
* @param pos
* @param block
* @param radius
* @param height
* @return number of blocks set
* @throws MaxChangedBlocksException
*/
public int makeHollowCylinder(Vector pos, BaseBlock block,
int radius, int height) throws MaxChangedBlocksException {
int x = 0;
int z = radius;
int d = (5 - radius * 4) / 4;
int affected = 0;
affected += makeHCylinderPoints(pos, x, z, height, block);
while (x < z) {
x++;
if (d >= 0) {
z--;
d += 2 * (x - z) + 1;
} else {
d += 2 * x + 1;
}
affected += makeHCylinderPoints(pos, x, z, height, block);
}
return affected;
}
/**
* Helper method to draw the cylinder.
*
* @param center
* @param x
* @param z
* @param height
* @param block
* @throws MaxChangedBlocksException
*/
private int makeCylinderPoints(Vector center, int x, int z,
int height, BaseBlock block) throws MaxChangedBlocksException {
int affected = 0;
if (x == z) {
for (int y = 0; y < height; y++) {
for (int z2 = -z; z2 <= z; z2++) {
setBlock(center.add(x, y, z2), block);
setBlock(center.add(-x, y, z2), block);
affected += 2;
}
}
} else if (x < z) {
for (int y = 0; y < height; y++) {
for (int x2 = -x; x2 <= x; x2++) {
for (int z2 = -z; z2 <= z; z2++) {
setBlock(center.add(x2, y, z2), block);
affected++;
}
setBlock(center.add(z, y, x2), block);
setBlock(center.add(-z, y, x2), block);
affected += 2;
}
}
}
return affected;
}
/**
* Draw a filled cylinder.
*
* @param pos
* @param block
* @param radius
* @param height
* @return number of blocks set
* @throws MaxChangedBlocksException
*/
public int makeCylinder(Vector pos, BaseBlock block,
int radius, int height) throws MaxChangedBlocksException {
int x = 0;
int z = radius;
int d = (5 - radius * 4) / 4;
int affected = 0;
affected += makeCylinderPoints(pos, x, z, height, block);
while (x < z) {
x++;
if (d >= 0) {
z--;
d += 2 * (x - z) + 1;
} else {
d += 2 * x + 1;
}
affected += makeCylinderPoints(pos, x, z, height, block);
}
return affected;
}
/**
* Set a block by chance.