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197 lines
8.6 KiB
197 lines
8.6 KiB
/**************************************************************************** |
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* VCGLib o o * |
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* Visual and Computer Graphics Library o o * |
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* _ O _ * |
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* Copyright(C) 2004-2016 \/)\/ * |
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* Visual Computing Lab /\/| * |
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* ISTI - Italian National Research Council | * |
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* \ * |
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* All rights reserved. * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) * |
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* for more details. * |
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* * |
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****************************************************************************/ |
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#ifndef __VCG_VERTEX_PLUS |
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#define __VCG_VERTEX_PLUS |
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#include <vcg/complex/all_types.h> |
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#include <vcg/container/derivation_chain.h> |
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#include "component.h" |
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namespace vcg { |
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/* The base class form which we start to add our components. |
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it has the empty definition for all the standard members (coords, color flags) |
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Note: |
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in order to avoid both virtual classes and ambiguous definitions all |
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the subsequent overrides must be done in a sequence of derivation. |
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In other words we cannot derive and add in a single derivation step |
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(with multiple ancestor), both the real (non-empty) normal and color but |
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we have to build the type a step a time (deriving from a single ancestor at a time). |
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The Real Big Vertex class; |
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The class __VertexArityMax__ is the one that is the Last to be derived, |
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and therefore is the only one to know the real members |
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(after the many overrides) so all the functions with common behaviour |
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using the members defined in the various Empty/nonEmpty component classes |
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MUST be defined here. |
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I.e. IsD() that uses the overridden Flags() member must be defined here. |
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*/ |
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template <class UserTypes, |
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template <typename> class A, template <typename> class B, |
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template <typename> class C, template <typename> class D, |
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template <typename> class E, template <typename> class F, |
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template <typename> class G, template <typename> class H, |
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template <typename> class I, template <typename> class J, |
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template <typename> class K, template <typename> class L> |
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class VertexArityMax: public Arity12<vertex::EmptyCore<UserTypes>, A, B, C, D, E, F, G, H, I, J, K, L> { |
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// ----- Flags stuff ----- |
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public: |
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enum { |
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DELETED = 0x0001, // This bit indicate that the vertex is deleted from the mesh |
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NOTREAD = 0x0002, // This bit indicate that the vertex of the mesh is not readable |
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NOTWRITE = 0x0004, // This bit indicate that the vertex is not modifiable |
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MODIFIED = 0x0008, // This bit indicate that the vertex is modified |
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VISITED = 0x0010, // This bit can be used to mark the visited vertex |
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SELECTED = 0x0020, // This bit can be used to select |
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BORDER = 0x0100, // Border Flag |
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USER0 = 0x0200 // First user bit |
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}; |
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bool IsD() const {return (this->cFlags() & DELETED) != 0;} /// checks if the vertex is deleted |
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bool IsR() const {return (this->cFlags() & NOTREAD) == 0;} /// checks if the vertex is readable |
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bool IsW() const {return (this->cFlags() & NOTWRITE)== 0;}/// checks if the vertex is modifiable |
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bool IsRW() const {return (this->cFlags() & (NOTREAD | NOTWRITE)) == 0;}/// This funcion checks whether the vertex is both readable and modifiable |
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bool IsS() const {return (this->cFlags() & SELECTED) != 0;}/// checks if the vertex is Selected |
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bool IsB() const {return (this->cFlags() & BORDER) != 0;}/// checks if the vertex is a border one |
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bool IsV() const {return (this->cFlags() & VISITED) != 0;}/// checks if the vertex Has been visited |
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/** Set the flag value |
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@param flagp Valore da inserire nel flag |
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*/ |
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void SetFlags(int flagp) {this->Flags()=flagp;} |
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/** Set the flag value |
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@param flagp Valore da inserire nel flag |
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*/ |
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void ClearFlags() {this->Flags()=0;} |
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void SetD() {this->Flags() |=DELETED;}/// deletes the vertex from the mesh |
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void ClearD() {this->Flags() &=(~DELETED);}/// un-delete a vertex |
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void SetR() {this->Flags() &=(~NOTREAD);}/// marks the vertex as readable |
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void ClearR() {this->Flags() |=NOTREAD;}/// marks the vertex as not readable |
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void ClearW() {this->Flags() |=NOTWRITE;}/// marks the vertex as writable |
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void SetW() {this->Flags() &=(~NOTWRITE);}/// marks the vertex as not writable |
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void SetS() {this->Flags() |=SELECTED;}/// select the vertex |
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void ClearS() {this->Flags() &= ~SELECTED;}/// Un-select a vertex |
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void SetB() {this->Flags() |=BORDER;} |
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void ClearB() {this->Flags() &=~BORDER;} |
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void SetV() {this->Flags() |=VISITED;} |
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void ClearV() {this->Flags() &=~VISITED;} |
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/// Return the first bit that is not still used |
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static int &FirstUnusedBitFlag() |
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{ |
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static int b =USER0; |
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return b; |
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} |
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/// Allocate a bit among the flags that can be used by user. It updates the FirstUnusedBitFlag. |
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static inline int NewBitFlag() |
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{ |
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int bitForTheUser = FirstUnusedBitFlag(); |
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FirstUnusedBitFlag()=FirstUnusedBitFlag()<<1; |
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return bitForTheUser; |
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} |
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/// De-allocate a pre allocated bit. It updates the FirstUnusedBitFlag. |
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// Note you must deallocate bit in the inverse order of the allocation (as in a stack) |
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static inline bool DeleteBitFlag(int bitval) |
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{ |
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if(FirstUnusedBitFlag()>>1==bitval) { |
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FirstUnusedBitFlag() = FirstUnusedBitFlag()>>1; |
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return true; |
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} |
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assert(0); |
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return false; |
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} |
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/// This function checks if the given user bit is true |
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bool IsUserBit(int userBit){return (this->Flags() & userBit) != 0;} |
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/// This function set the given user bit |
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void SetUserBit(int userBit){this->Flags() |=userBit;} |
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/// This function clear the given user bit |
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void ClearUserBit(int userBit){this->Flags() &= (~userBit);} |
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template<class BoxType> |
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void GetBBox( BoxType & bb ) const |
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{ bb.Set(this->cP()); } |
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}; |
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/* |
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These are the three main classes that are used by the library user to define its own vertexes. |
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The user MUST specify the names of all the type involved in a generic complex. |
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so for example when defining a vertex of a trimesh you must know the name of the type of the edge and of the face. |
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Typical usage example: |
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A vertex with coords, flags and normal for use in a standard trimesh: |
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class VertexNf : public VertexSimp2< VertexNf, EdgeProto, FaceProto, vert::Coord3d, vert::Flag, vert::Normal3f > {}; |
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A vertex with coords, and normal for use in a tetrahedral mesh AND in a standard trimesh: |
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class TetraVertex : public VertexSimp3< TetraVertex, EdgeProto, FaceProto, TetraProto, vert::Coord3d, vert::Normal3f > {}; |
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A summary of the available vertex attributes (see component.h for more details): |
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Coord3f, Coord3d, |
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Normal3s, Normal3f, Normal3d |
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Mark //a int component (incremental mark) |
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BitFlags |
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TexCoord2s, TexCoord2f, TexCoord2d |
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Color4b |
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Qualitys, Qualityf, Qualityd |
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VFAdj //topology (vertex->face adjacency) |
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*/ |
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template <class UserTypes, |
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template <typename> class A = DefaultDeriver, template <typename> class B = DefaultDeriver, |
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template <typename> class C = DefaultDeriver, template <typename> class D = DefaultDeriver, |
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template <typename> class E = DefaultDeriver, template <typename> class F = DefaultDeriver, |
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template <typename> class G = DefaultDeriver, template <typename> class H = DefaultDeriver, |
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template <typename> class I = DefaultDeriver, template <typename> class J = DefaultDeriver, |
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template <typename> class K = DefaultDeriver, template <typename> class L = DefaultDeriver> |
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class Vertex: public VertexArityMax<UserTypes, A, B, C, D, E, F, G, H, I, J, K, L> { |
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public: typedef AllTypes::AVertexType IAm; typedef UserTypes TypesPool;}; |
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}// end namespace |
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#endif
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