1 /* 2 * NodeNurbsPositionInterpolator.h 3 * 4 * Copyright (C) 1999 Stephen F. White, 2004, 2019 J. "MUFTI" Scheurich 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program (see the file "COPYING" for details); if 18 * not, write to the Free Software Foundation, Inc., 675 Mass Ave, 19 * Cambridge, MA 02139, USA. 20 */ 21 22 #pragma once 23 24 #include "ProtoMacros.h" 25 #include "Proto.h" 26 #include "NurbsCurve.h" 27 #include "SFMFTypes.h" 28 29 class Mesh; 30 class NodeNurbsCurve; 31 32 class ProtoNurbsPositionInterpolator : public Proto { 33 public: 34 ProtoNurbsPositionInterpolator(Scene *scene); 35 virtual Node *create(Scene *scene); 36 getType()37 virtual int getType() const { return VRML_NURBS_POSITION_INTERPOLATOR; } getNodeClass()38 int getNodeClass() const 39 { return CHILD_NODE | INTERPOLATOR_NODE; } showFields()40 virtual bool showFields() { return true; } 41 42 FieldIndex dimension; 43 FieldIndex controlPoint; 44 FieldIndex weight; 45 FieldIndex knot; 46 FieldIndex order; 47 }; 48 49 class NodeNurbsPositionInterpolator : public Node, NurbsCurve { 50 public: 51 NodeNurbsPositionInterpolator(Scene *scene, Proto *proto); 52 ~NodeNurbsPositionInterpolator(); getX3dVersion(void)53 virtual int getX3dVersion(void) const { return 0; } copy()54 virtual Node *copy() const 55 { return new NodeNurbsPositionInterpolator(*this); } 56 57 virtual void draw(); 58 virtual void drawHandles(void); 59 60 virtual Vec3f getHandle(int handle, int *constraint, int *field); 61 virtual void setHandle(int handle, const Vec3f &v); 62 63 virtual void setField(int index, FieldValue *value, int cf = -1); 64 65 virtual void flip(int index); 66 virtual void swap(int fromTo); 67 maySetDefault(void)68 virtual bool maySetDefault(void) { return false; } 69 avoidProtoOnPureVrml(void)70 virtual bool avoidProtoOnPureVrml(void) { return true; } 71 virtual int writeProto(int filedes); 72 int write(int filedes, int indent, bool avoidUse = false); 73 74 void createNurbsCurve(); 75 76 virtual Node *toNurbsCurve(void); 77 78 void receiveEvent(int eventIn, double timestamp, 79 FieldValue *value); 80 update()81 void update() { m_nurbsCurveDirty = true; } 82 83 MFVec3f *getControlPoints(void); 84 void setControlPoints(const MFVec3f *points); 85 86 fieldMacros(SFInt32, dimension, ProtoNurbsPositionInterpolator) 87 fieldMacros(SFNode, controlPoint, ProtoNurbsPositionInterpolator) 88 fieldMacros(MFDouble, weight, ProtoNurbsPositionInterpolator) 89 fieldMacros(MFDouble, knot, ProtoNurbsPositionInterpolator) 90 fieldMacros(SFInt32, order, ProtoNurbsPositionInterpolator) 91 92 protected: 93 NodeNurbsCurve *m_nurbsCurve; 94 bool m_nurbsCurveDirty; 95 MyArray<float> m_chain; 96 float m_chainLength; 97 FieldIndex m_set_fractionField; 98 FieldIndex m_value_changedField; 99 }; 100 101