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mesh.cpp
1 // © Copyright 2010 - 2016 BlackTopp Studios Inc.
2 /* This file is part of The Mezzanine Engine.
3 
4  The Mezzanine Engine is free software: you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation, either version 3 of the License, or
7  (at your option) any later version.
8 
9  The Mezzanine Engine is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with The Mezzanine Engine. If not, see <http://www.gnu.org/licenses/>.
16 */
17 /* The original authors have included a copy of the license specified above in the
18  'Docs' folder. See 'gpl.txt'
19 */
20 /* We welcome the use of the Mezzanine engine to anyone, including companies who wish to
21  Build professional software and charge for their product.
22 
23  However there are some practical restrictions, so if your project involves
24  any of the following you should contact us and we will try to work something
25  out:
26  - DRM or Copy Protection of any kind(except Copyrights)
27  - Software Patents You Do Not Wish to Freely License
28  - Any Kind of Linking to Non-GPL licensed Works
29  - Are Currently In Violation of Another Copyright Holder's GPL License
30  - If You want to change our code and not add a few hundred MB of stuff to
31  your distribution
32 
33  These and other limitations could cause serious legal problems if you ignore
34  them, so it is best to simply contact us or the Free Software Foundation, if
35  you have any questions.
36 
37  Joseph Toppi - toppij@gmail.com
38  John Blackwood - makoenergy02@gmail.com
39 */
40 #ifndef _graphicsmesh_cpp
41 #define _graphicsmesh_cpp
42 
43 #include "Graphics/mesh.h"
44 #include "Graphics/submesh.h"
45 
46 #include <Ogre.h>
47 
48 namespace Mezzanine
49 {
50  namespace Graphics
51  {
52  ///////////////////////////////////////////////////////////////////////////////
53  /// @brief This class is used to store the internal structures needed by the Mesh class.
54  /// @details Specifically, this class stores a shared pointer to the Ogre Mesh and only
55  /// exists because shared pointers can't be forward declared without compromising how they
56  /// work.
57  ///////////////////////////////////////
59  {
60  public:
61  /// @internal
62  /// @brief The internal representation of the Mesh.
64  };//InternalMeshData
65 
66  ///////////////////////////////////////////////////////////////////////////////
67  // Mesh Methods
68 
69  Mesh::Mesh(Ogre::MeshPtr InternalMesh)
70  {
71  this->IMD = new InternalMeshData();
72  this->IMD->GraphicsMesh = InternalMesh;
73 
74  this->WrapAllSubMeshes();
75  }
76 
78  {
79  delete this->IMD;
81  }
82 
84  {
85  // Clear out our current SubMeshes if they exist.
87 
88  // Go over each SubMesh and wrap them all.
89  Ogre::MeshPtr InternalMesh = this->IMD->GraphicsMesh;
90  if( !InternalMesh.isNull() ) {
91  Whole SubMeshCount = InternalMesh->getNumSubMeshes();
92  for( Whole SubMeshIndex = 0 ; SubMeshIndex < SubMeshCount ; ++SubMeshIndex )
93  {
94  this->SubMeshes.push_back( new SubMesh( InternalMesh->getSubMesh(SubMeshIndex) ) );
95  }
96  }
97  }
98 
100  {
101  for( SubMeshIterator SubMeshIt = this->SubMeshes.begin() ; SubMeshIt != this->SubMeshes.end() ; ++SubMeshIt )
102  { delete (*SubMeshIt); }
103  this->SubMeshes.clear();
104  }
105 
106  ///////////////////////////////////////////////////////////////////////////////
107  // Utility Methods
108 
110  {
111  Whole Ret = 0;
112  for( ConstSubMeshIterator SubMeshIt = this->SubMeshes.begin() ; SubMeshIt != this->SubMeshes.end() ; ++SubMeshIt )
113  { Ret += (*SubMeshIt)->GetVertexCount(); }
114  return Ret;
115  }
116 
118  {
119  Whole Ret = 0;
120  for( ConstSubMeshIterator SubMeshIt = this->SubMeshes.begin() ; SubMeshIt != this->SubMeshes.end() ; ++SubMeshIt )
121  { Ret += (*SubMeshIt)->GetIndexCount(); }
122  return Ret;
123  }
124 
125  ///////////////////////////////////////////////////////////////////////////////
126  // SubMesh Methods
127 
128  SubMesh* Mesh::GetSubMesh(const Whole Index) const
129  { return this->SubMeshes.at(Index); }
130 
132  { return this->SubMeshes.size(); }
133 
134  ///////////////////////////////////////////////////////////////////////////////
135  // Skeleton Methods
136 
137 
138 
139  ///////////////////////////////////////////////////////////////////////////////
140  // Asset Methods
141 
143  { return this->_GetInternalMesh()->getName(); }
144 
146  { return this->_GetInternalMesh()->getGroup(); }
147 
148  ///////////////////////////////////////////////////////////////////////////////
149  // Internal Methods
150 
152  { return this->IMD->GraphicsMesh; }
153  }//Graphics
154 }//Mezzanine
155 
156 #endif
void DestroyAllWrappedSubMeshes()
Destroys every wrapped (but not the underlying instance) SubMesh in this Mesh.
Definition: mesh.cpp:99
void WrapAllSubMeshes()
Constructs a Mezzanine wrapper for every SubMesh in the internal Mesh.
Definition: mesh.cpp:83
SubMeshContainer::const_iterator ConstSubMeshIterator
A const iterator type for SubMeshes being stored by this class.
Definition: mesh.h:71
Ogre::MeshPtr _GetInternalMesh() const
Gets the internal Mesh pointer.
Definition: mesh.cpp:151
This class represents a sub-section of an overall mesh.
Definition: submesh.h:61
ConstString & GetName() const
Gets the Name of this Mesh.
Definition: mesh.cpp:142
SubMeshContainer SubMeshes
A container storing all the SubMeshes in this Mesh.
Definition: mesh.h:81
Whole GetVertexCount() const
Gets the number of Vertices in this Mesh.
Definition: mesh.cpp:109
const String ConstString
A Datatype used to a series of imutable characters.
Definition: datatypes.h:165
InternalMeshData * IMD
A pointer to the internal data this Mesh is based on.
Definition: mesh.h:75
This class is used to store the internal structures needed by the Mesh class.
Definition: mesh.cpp:58
SubMeshContainer::iterator SubMeshIterator
An iterator type for SubMeshes being stored by this class.
Definition: mesh.h:69
Mesh(Ogre::MeshPtr InternalMesh)
Internal Constructor.
Definition: mesh.cpp:69
Whole GetNumSubMeshes() const
Gets the number of SubMeshes in this Mesh.
Definition: mesh.cpp:131
Ogre::MeshPtr GraphicsMesh
The internal representation of the Mesh.
Definition: mesh.cpp:63
#define MEZZ_LIB
Some platforms require special decorations to denote what is exported/imported in a share library...
Whole GetIndexCount() const
Gets the number of Indices in this Mesh.
Definition: mesh.cpp:117
The bulk of the engine components go in this namspace.
Definition: actor.cpp:56
unsigned long Whole
Whole is an unsigned integer, it will be at least 32bits in size.
Definition: datatypes.h:151
ConstString & GetGroup() const
Gets the resource group this Mesh belongs to.
Definition: mesh.cpp:145
SubMesh * GetSubMesh(const Whole Index) const
Gets a SubMesh by index.
Definition: mesh.cpp:128
~Mesh()
Class Destructor.
Definition: mesh.cpp:77