242 lines
9.2 KiB
C++
242 lines
9.2 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef OPENSUBDIV3_HBRVERTEXEDIT_H
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#define OPENSUBDIV3_HBRVERTEXEDIT_H
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#include <algorithm>
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#include "../hbr/hierarchicalEdit.h"
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#include "../version.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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template <class T> class HbrVertexEdit;
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template <class T>
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std::ostream& operator<<(std::ostream& out, const HbrVertexEdit<T>& path) {
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out << "vertex path = (" << path.faceid << ' ';
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for (int i = 0; i < path.nsubfaces; ++i) {
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out << static_cast<int>(path.subfaces[i]) << ' ';
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}
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return out << static_cast<int>(path.vertexid) << "), edit = (" << path.edit[0] << ',' << path.edit[1] << ',' << path.edit[2] << ')';
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}
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template <class T>
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class HbrVertexEdit : public HbrHierarchicalEdit<T> {
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public:
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HbrVertexEdit(int _faceid, int _nsubfaces, unsigned char *_subfaces, unsigned char _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width];
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memcpy(edit, _edit, width * sizeof(float));
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}
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HbrVertexEdit(int _faceid, int _nsubfaces, int *_subfaces, int _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(static_cast<unsigned char>(_vertexid)), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width];
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memcpy(edit, _edit, width * sizeof(float));
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}
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virtual ~HbrVertexEdit() {
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delete[] edit;
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}
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// Return the vertex id (the last element in the path)
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unsigned char GetVertexID() const { return vertexid; }
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friend std::ostream& operator<< <T> (std::ostream& out, const HbrVertexEdit<T>& path);
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// Return index of variable this edit applies to
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int GetIndex() const { return index; }
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// Return width of the variable
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int GetWidth() const { return width; }
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// Get the numerical value of the edit
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const float* GetEdit() const { return edit; }
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// Get the type of operation
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typename HbrHierarchicalEdit<T>::Operation GetOperation() const { return op; }
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virtual void ApplyEditToFace(HbrFace<T>* face) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth()) {
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// Tags the vertex as being edited; it'll figure out what to
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// when GuaranteeNeighbor is called
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face->GetVertex(vertexid)->SetVertexEdit();
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}
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// In any event, mark the face as having a vertex edit (which
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// may only be applied on subfaces)
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face->MarkVertexEdits();
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}
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virtual void ApplyEditToVertex(HbrFace<T>* face, HbrVertex<T>* vertex) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth() &&
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face->GetVertex(vertexid) == vertex) {
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vertex->GetData().ApplyVertexEdit(*const_cast<const HbrVertexEdit<T>*>(this));
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}
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}
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#ifdef PRMAN
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virtual void ApplyToBound(struct bbox& bbox, RtMatrix *mx) const {
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if (isP) {
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struct xyz p = *(struct xyz*)edit;
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if (mx)
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MxTransformByMatrix(&p, &p, *mx, 1);
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if (op == HbrHierarchicalEdit<T>::Set) {
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bbox.min.x = std::min(bbox.min.x, p.x);
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bbox.min.y = std::min(bbox.min.y, p.y);
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bbox.min.z = std::min(bbox.min.z, p.z);
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bbox.max.x = std::max(bbox.max.x, p.x);
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bbox.max.y = std::max(bbox.max.y, p.y);
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bbox.max.z = std::max(bbox.max.z, p.z);
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} else if (op == HbrHierarchicalEdit<T>::Add ||
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op == HbrHierarchicalEdit<T>::Subtract) {
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bbox.min.x -= fabsf(p.x);
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bbox.min.y -= fabsf(p.y);
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bbox.min.z -= fabsf(p.z);
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bbox.max.x += fabsf(p.x);
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bbox.max.y += fabsf(p.y);
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bbox.max.z += fabsf(p.z);
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}
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}
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}
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#endif
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private:
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const unsigned char vertexid;
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int index;
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int width;
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unsigned isP:1;
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typename HbrHierarchicalEdit<T>::Operation op;
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float* edit;
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};
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template <class T>
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class HbrMovingVertexEdit : public HbrHierarchicalEdit<T> {
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public:
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HbrMovingVertexEdit(int _faceid, int _nsubfaces, unsigned char *_subfaces, unsigned char _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width * 2];
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memcpy(edit, _edit, 2 * width * sizeof(float));
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}
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HbrMovingVertexEdit(int _faceid, int _nsubfaces, int *_subfaces, int _vertexid, int _index, int _width, bool _isP, typename HbrHierarchicalEdit<T>::Operation _op, float *_edit)
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: HbrHierarchicalEdit<T>(_faceid, _nsubfaces, _subfaces), vertexid(_vertexid), index(_index), width(_width), isP(_isP), op(_op) {
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edit = new float[width * 2];
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memcpy(edit, _edit, 2 * width * sizeof(float));
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}
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virtual ~HbrMovingVertexEdit() {
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delete[] edit;
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}
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// Return the vertex id (the last element in the path)
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unsigned char GetVertexID() const { return vertexid; }
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friend std::ostream& operator<< <T> (std::ostream& out, const HbrVertexEdit<T>& path);
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// Return index of variable this edit applies to
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int GetIndex() const { return index; }
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// Return width of the variable
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int GetWidth() const { return width; }
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// Get the numerical value of the edit
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const float* GetEdit() const { return edit; }
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// Get the type of operation
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typename HbrHierarchicalEdit<T>::Operation GetOperation() const { return op; }
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virtual void ApplyEditToFace(HbrFace<T>* face) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth()) {
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// Tags the vertex as being edited; it'll figure out what to
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// when GuaranteeNeighbor is called
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face->GetVertex(vertexid)->SetVertexEdit();
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}
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// In any event, mark the face as having a vertex edit (which
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// may only be applied on subfaces)
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face->MarkVertexEdits();
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}
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virtual void ApplyEditToVertex(HbrFace<T>* face, HbrVertex<T>* vertex) {
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if (HbrHierarchicalEdit<T>::GetNSubfaces() == face->GetDepth() &&
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face->GetVertex(vertexid) == vertex) {
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vertex->GetData().ApplyMovingVertexEdit(*const_cast<const HbrMovingVertexEdit<T>*>(this));
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}
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}
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#ifdef PRMAN
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virtual void ApplyToBound(struct bbox& bbox, RtMatrix *mx) const {
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if (isP) {
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struct xyz p1 = *(struct xyz*)edit;
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struct xyz p2 = *(struct xyz*)&edit[3];
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if (mx) {
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MxTransformByMatrix(&p1, &p1, *mx, 1);
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MxTransformByMatrix(&p2, &p2, *mx, 1);
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}
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if (op == HbrVertexEdit<T>::Set) {
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bbox.min.x = std::min(std::min(bbox.min.x, p1.x), p2.x);
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bbox.min.y = std::min(std::min(bbox.min.y, p1.y), p2.y);
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bbox.min.z = std::min(std::min(bbox.min.z, p1.z), p2.z);
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bbox.max.x = std::max(std::max(bbox.max.x, p1.x), p2.x);
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bbox.max.y = std::max(std::max(bbox.max.y, p1.y), p2.y);
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bbox.max.z = std::max(std::max(bbox.max.z, p1.z), p2.z);
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} else if (op == HbrVertexEdit<T>::Add ||
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op == HbrVertexEdit<T>::Subtract) {
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float maxx = std::max(fabsf(p1.x), fabsf(p2.x));
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float maxy = std::max(fabsf(p1.y), fabsf(p2.y));
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float maxz = std::max(fabsf(p1.z), fabsf(p2.z));
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bbox.min.x -= maxx;
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bbox.min.y -= maxy;
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bbox.min.z -= maxz;
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bbox.max.x += maxx;
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bbox.max.y += maxy;
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bbox.max.z += maxz;
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}
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}
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}
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#endif
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private:
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const unsigned char vertexid;
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int index;
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int width;
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unsigned isP:1;
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typename HbrHierarchicalEdit<T>::Operation op;
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float* edit;
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};
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif /* OPENSUBDIV3_HBRVERTEXEDIT_H */
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