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55: ProtectedPolygonalRegion should now handle edges better.

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This commit is contained in:
Valentin Churavy 2011-02-22 13:56:53 +01:00
parent d5a9b0c65f
commit 4b72805a69
1 changed files with 14 additions and 11 deletions
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25
src/com/sk89q/worldguard/protection/ProtectedPolygonalRegion.java
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@ -71,20 +71,23 @@ public BlockVector getMaximumPoint() {
*/
@Override
public boolean contains(Vector pt) {
int targetX = pt.getBlockX();
int targetY = pt.getBlockY();
int targetZ = pt.getBlockZ();
int targetX = pt.getBlockX(); //wide
int targetY = pt.getBlockY(); //height
int targetZ = pt.getBlockZ(); //depth
if (targetY < minY || targetY > maxY) {
return false;
}
//Quick and dirty check.
if(targetX < min.getBlockX() || targetX > max.getBlockX() || targetZ < min.getBlockZ() || targetZ > max.getBlockZ()){
return false;
}
boolean inside = false;
int npoints = points.size();
int xNew, zNew;
int xOld, zOld;
int x1, y1;
int x2, y2;
int x1, z1;
int x2, z2;
int i;
xOld = points.get(npoints - 1).getBlockX();
@ -96,16 +99,16 @@ public boolean contains(Vector pt) {
if (xNew > xOld) {
x1 = xOld;
x2 = xNew;
y1 = zOld;
y2 = zNew;
z1 = zOld;
z2 = zNew;
} else {
x1 = xNew;
x2 = xOld;
y1 = zNew;
y2 = zOld;
z1 = zNew;
z2 = zOld;
}
if ((xNew < targetX) == (targetX <= xOld)
&& ((long) targetZ - (long) y1) * (long) (x2 - x1) < ((long) y2 - (long) y1)
&& ((long) targetZ - (long) z1) * (long) (x2 - x1) <= ((long) z2 - (long) z1)
* (long) (targetX - x1)) {
inside = !inside;
}