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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef ULTIMA8_MISC_POINT3_H
#define ULTIMA8_MISC_POINT3_H
namespace Ultima {
namespace Ultima8 {
struct Point3 {
int32 x, y, z;
Point3() : x(0), y(0), z(0) {}
Point3(int32 nx, int32 ny, int32 nz) : x(nx), y(ny), z(nz) {}
bool operator==(const Point3 &rhs) const { return equals(rhs); }
bool operator!=(const Point3 &rhs) const { return !equals(rhs); }
bool equals(const Point3 &p) const {
return (x == p.x && y == p.y && z == p.z);
}
Point3 operator+(const Point3 &delta) const { return Point3(x + delta.x, y + delta.y, z + delta.z); }
Point3 operator-(const Point3 &delta) const { return Point3(x - delta.x, y - delta.y, z - delta.z); }
void operator+=(const Point3 &delta) {
x += delta.x;
y += delta.y;
z += delta.z;
}
void operator-=(const Point3 &delta) {
x -= delta.x;
y -= delta.y;
z -= delta.z;
}
int maxDistXYZ(const Point3 &other) const {
int xdiff = abs(x - other.x);
int ydiff = abs(y - other.y);
int zdiff = abs(z - other.z);
return MAX(xdiff, MAX(ydiff, zdiff));
}
uint32 sqrDist(const Point3 &other) const {
int xdiff = abs(x - other.x);
int ydiff = abs(y - other.y);
int zdiff = abs(z - other.z);
return uint32(xdiff * xdiff + ydiff * ydiff + zdiff * zdiff);
}
void set(int32 nx, int32 ny, int32 nz) {
x = nx;
y = ny;
z = nz;
}
void translate(int32 dx, int32 dy, int32 dz) {
x += dx;
y += dy;
z += dz;
}
bool loadData(Common::ReadStream *rs, uint32 version) {
x = rs->readSint32LE();
y = rs->readSint32LE();
z = rs->readSint32LE();
return true;
}
void saveData(Common::WriteStream *ws) {
ws->writeSint32LE(x);
ws->writeSint32LE(y);
ws->writeSint32LE(z);
}
};
} // End of namespace Ultima8
} // End of namespace Ultima
#endif
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