Recovered from microbel

common/lib/srvcli/direction.C

@@ -0,0 +1,133 @@
+/*
+ * PVVMUD a 3D MUD
+ * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+#include <math.h>
+#include "pvvmud.H"
+#include "direction.H"
+
+#define NORMALIZE(index)   \
+  direction[index] -= floor(direction[index]/360.0) * 360.0;
+
+
+CDirection::CDirection(){
+  direction[0] = 0;
+  direction[1] = 0;
+  direction[2] = 0;
+}
+
+CDirection::CDirection(double * direction){
+  this->direction[0] = direction[0];
+  this->direction[1] = direction[1];
+  this->direction[2] = direction[2];
+  normalize();
+}
+
+
+CDirection::CDirection(double h, double r, double p){
+  direction[0] = h;
+  direction[1] = r;
+  direction[2] = p;
+  normalize();
+}
+
+CDirection& CDirection::operator= (const CDirection& direction) {
+  this->direction[0] = direction.direction[0];
+  this->direction[1] = direction.direction[1];
+  this->direction[2] = direction.direction[2];
+  return *this;
+}
+
+CDirection& CDirection::operator+= (const CDirection& direction) {
+  this->direction[0] += direction.direction[0];
+  this->direction[1] += direction.direction[1];
+  this->direction[2] += direction.direction[2];
+  normalize();
+  return *this;
+}
+
+CDirection CDirection::operator+ (const CDirection& direction) {
+  CDirection result;
+  result.direction[0] = this->direction[0] + direction.direction[0];
+  result.direction[1] = this->direction[1] + direction.direction[1];
+  result.direction[2] = this->direction[2] + direction.direction[2];
+  result.normalize();
+  return result;
+}
+
+CDirection CDirection::operator- () const {
+  CDirection result;
+  result.direction[0] = -direction[0];
+  result.direction[1] = -direction[1];
+  result.direction[2] = -direction[2];
+  result.normalize();
+  return result;
+}
+
+CDirection CDirection::operator* (double scale) const {
+  CDirection result;
+  result.direction[0] = direction[0]*scale;
+  result.direction[1] = direction[1]*scale;
+  result.direction[2] = direction[2]*scale;
+  result.normalize();
+  return result;
+}
+
+void CDirection::normalize(){
+  NORMALIZE(0);
+  NORMALIZE(1);
+  NORMALIZE(2);
+}
+
+double * CDirection::getVector(){
+  return direction;
+}
+
+double CDirection::getValue(int ii) const {
+  return direction[ii];
+}
+
+void CDirection::setValue(int ii,double value) {
+  direction[ii] += value;
+  NORMALIZE(ii);
+}
+
+double CDirection::rotateHeading(double deltaHeading){
+  direction[0] += deltaHeading;
+  NORMALIZE(0);
+  return direction[0];
+}
+
+double CDirection::rotateRoll(double deltaRoll){
+  direction[1] += deltaRoll;
+  NORMALIZE(1);
+  return direction[1];
+}
+
+double CDirection::rotatePitch(double deltaPitch){
+  direction[2] += deltaPitch;
+  NORMALIZE(2);
+  return direction[2];
+}
+
+ostream& operator<<(ostream&s,const CDirection& d){
+  return s << "(" << d.getHeading() << "," << d.getRoll() 
+           << "," << d.getPitch() << ")";
+}
+
+