[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 | #include "OgreMesh.h"
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| 27 |
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| 28 | #include "OgreSubMesh.h"
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| 29 | #include "OgreLogManager.h"
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| 30 | #include "OgreMeshSerializer.h"
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| 31 | #include "OgreSkeletonManager.h"
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| 32 | #include "OgreHardwareBufferManager.h"
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| 33 | #include "OgreStringConverter.h"
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| 34 | #include "OgreException.h"
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| 35 | #include "OgreMeshManager.h"
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| 36 | #include "OgreEdgeListBuilder.h"
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| 37 | #include "OgreAnimation.h"
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| 38 | #include "OgreAnimationState.h"
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| 39 | #include "OgreAnimationTrack.h"
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| 40 |
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| 41 | namespace Ogre {
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| 42 | //-----------------------------------------------------------------------
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| 43 | MeshPtr::MeshPtr(const ResourcePtr& r) : SharedPtr<Mesh>()
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| 44 | {
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| 45 | // lock & copy other mutex pointer
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| 46 | OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
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| 47 | OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
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| 48 | pRep = static_cast<Mesh*>(r.getPointer());
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| 49 | pUseCount = r.useCountPointer();
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| 50 | if (pUseCount)
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| 51 | {
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| 52 | ++(*pUseCount);
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| 53 | }
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| 54 | }
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| 55 | //-----------------------------------------------------------------------
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| 56 | MeshPtr& MeshPtr::operator=(const ResourcePtr& r)
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| 57 | {
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| 58 | if (pRep == static_cast<Mesh*>(r.getPointer()))
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| 59 | return *this;
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| 60 | release();
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| 61 | // lock & copy other mutex pointer
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| 62 | OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
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| 63 | OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
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| 64 | pRep = static_cast<Mesh*>(r.getPointer());
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| 65 | pUseCount = r.useCountPointer();
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| 66 | if (pUseCount)
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| 67 | {
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| 68 | ++(*pUseCount);
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| 69 | }
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| 70 | return *this;
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| 71 | }
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| 72 | //-----------------------------------------------------------------------
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| 73 | void MeshPtr::destroy(void)
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| 74 | {
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| 75 | // We're only overriding so that we can destroy after full definition of Mesh
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| 76 | SharedPtr<Mesh>::destroy();
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| 77 | }
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| 78 | //-----------------------------------------------------------------------
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| 79 | //-----------------------------------------------------------------------
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| 80 | //-----------------------------------------------------------------------
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| 81 | Mesh::Mesh(ResourceManager* creator, const String& name, ResourceHandle handle,
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| 82 | const String& group, bool isManual, ManualResourceLoader* loader)
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| 83 | : Resource(creator, name, handle, group, isManual, loader),
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| 84 | mBoundRadius(0.0f),
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| 85 | mBoneAssignmentsOutOfDate(false),
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| 86 | mIsLodManual(false),
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| 87 | mNumLods(1),
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| 88 | mVertexBufferUsage(HardwareBuffer::HBU_STATIC_WRITE_ONLY),
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| 89 | mIndexBufferUsage(HardwareBuffer::HBU_STATIC_WRITE_ONLY),
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| 90 | mVertexBufferShadowBuffer(true),
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| 91 | mIndexBufferShadowBuffer(true),
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| 92 | mPreparedForShadowVolumes(false),
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| 93 | mEdgeListsBuilt(false),
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| 94 | mAutoBuildEdgeLists(true), // will be set to false by serializers of 1.30 and above
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| 95 | mSharedVertexDataAnimationType(VAT_NONE),
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| 96 | mAnimationTypesDirty(true),
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| 97 | sharedVertexData(0)
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| 98 | {
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| 99 |
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| 100 | setSkeletonName("");
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| 101 | // Init first (manual) lod
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| 102 | MeshLodUsage lod;
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| 103 | lod.fromDepthSquared = 0.0f;
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| 104 | lod.edgeData = NULL;
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| 105 | lod.manualMesh.setNull();
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| 106 | mMeshLodUsageList.push_back(lod);
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| 107 |
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| 108 | }
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| 109 | //-----------------------------------------------------------------------
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| 110 | Mesh::~Mesh()
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| 111 | {
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| 112 | // have to call this here reather than in Resource destructor
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| 113 | // since calling virtual methods in base destructors causes crash
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| 114 | unload();
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| 115 | }
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| 116 | //-----------------------------------------------------------------------
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| 117 | SubMesh* Mesh::createSubMesh()
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| 118 | {
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| 119 | SubMesh* sub = new SubMesh();
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| 120 | sub->parent = this;
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| 121 |
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| 122 | mSubMeshList.push_back(sub);
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| 123 |
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| 124 | return sub;
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| 125 | }
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| 126 | //-----------------------------------------------------------------------
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| 127 | SubMesh* Mesh::createSubMesh(const String& name)
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| 128 | {
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| 129 | SubMesh *sub = createSubMesh();
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| 130 | nameSubMesh(name, (ushort)mSubMeshList.size()-1);
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| 131 | return sub ;
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| 132 | }
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| 133 | //-----------------------------------------------------------------------
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| 134 | unsigned short Mesh::getNumSubMeshes() const
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| 135 | {
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| 136 | return static_cast< unsigned short >( mSubMeshList.size() );
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| 137 | }
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| 138 |
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| 139 | //---------------------------------------------------------------------
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| 140 | void Mesh::nameSubMesh(const String& name, ushort index)
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| 141 | {
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| 142 | mSubMeshNameMap[name] = index ;
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| 143 | }
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| 144 |
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| 145 | //-----------------------------------------------------------------------
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| 146 | SubMesh* Mesh::getSubMesh(const String& name) const
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| 147 | {
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| 148 | ushort index = _getSubMeshIndex(name);
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| 149 | return getSubMesh(index);
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| 150 | }
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| 151 | //-----------------------------------------------------------------------
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| 152 | SubMesh* Mesh::getSubMesh(unsigned short index) const
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| 153 | {
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| 154 | if (index >= mSubMeshList.size())
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| 155 | {
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| 156 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
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| 157 | "Index out of bounds.",
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| 158 | "Mesh::getSubMesh");
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| 159 | }
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| 160 |
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| 161 | return mSubMeshList[index];
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| 162 | }
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| 163 | //-----------------------------------------------------------------------
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| 164 | void Mesh::load(void)
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| 165 | {
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| 166 | OGRE_LOCK_AUTO_MUTEX
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| 167 |
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| 168 |
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| 169 | // Overridden to ensure edge lists get built from manual or
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| 170 | // loaded meshes
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| 171 | Resource::load();
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| 172 |
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| 173 | // Prepare for shadow volumes?
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| 174 | if (MeshManager::getSingleton().getPrepareAllMeshesForShadowVolumes())
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| 175 | {
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| 176 | if (mEdgeListsBuilt || mAutoBuildEdgeLists)
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| 177 | {
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| 178 | prepareForShadowVolume();
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| 179 | }
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| 180 |
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| 181 | if (!mEdgeListsBuilt && mAutoBuildEdgeLists)
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| 182 | {
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| 183 | buildEdgeList();
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| 184 | }
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| 185 | }
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| 186 |
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| 187 | }
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| 188 | //-----------------------------------------------------------------------
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| 189 | void Mesh::loadImpl()
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| 190 | {
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| 191 | // Load from specified 'name'
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| 192 | MeshSerializer serializer;
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| 193 | LogManager::getSingleton().logMessage("Mesh: Loading " + mName + ".");
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| 194 |
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| 195 | DataStreamPtr stream =
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| 196 | ResourceGroupManager::getSingleton().openResource(
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| 197 | mName, mGroup, true, this);
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| 198 | serializer.importMesh(stream, this);
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| 199 |
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| 200 | /* check all submeshes to see if their materials should be
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| 201 | updated. If the submesh has texture aliases that match those
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| 202 | found in the current material then a new material is created using
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| 203 | the textures from the submesh.
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| 204 | */
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| 205 | updateMaterialForAllSubMeshes();
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| 206 | }
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| 207 |
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| 208 | //-----------------------------------------------------------------------
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| 209 | void Mesh::unloadImpl()
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| 210 | {
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| 211 | // Teardown submeshes
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| 212 | for (SubMeshList::iterator i = mSubMeshList.begin();
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| 213 | i != mSubMeshList.end(); ++i)
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| 214 | {
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| 215 | delete *i;
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| 216 | }
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| 217 | if (sharedVertexData)
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| 218 | {
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| 219 | delete sharedVertexData;
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| 220 | sharedVertexData = NULL;
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| 221 | }
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| 222 | // Clear SubMesh lists
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| 223 | mSubMeshList.clear();
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| 224 | mSubMeshNameMap.clear();
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| 225 | // Removes all LOD data
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| 226 | removeLodLevels();
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| 227 | mPreparedForShadowVolumes = false;
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| 228 |
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| 229 | // remove all poses & animations
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| 230 | removeAllAnimations();
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| 231 | removeAllPoses();
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| 232 |
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| 233 | // Clear bone assignments
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| 234 | mBoneAssignments.clear();
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| 235 | mBoneAssignmentsOutOfDate = false;
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| 236 |
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| 237 | // Removes reference to skeleton
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| 238 | setSkeletonName(StringUtil::BLANK);
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| 239 | }
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| 240 |
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| 241 | //-----------------------------------------------------------------------
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| 242 | MeshPtr Mesh::clone(const String& newName, const String& newGroup)
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| 243 | {
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| 244 | // This is a bit like a copy constructor, but with the additional aspect of registering the clone with
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| 245 | // the MeshManager
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| 246 |
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| 247 | // New Mesh is assumed to be manually defined rather than loaded since you're cloning it for a reason
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| 248 | String theGroup;
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| 249 | if (newGroup == StringUtil::BLANK)
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| 250 | {
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| 251 | theGroup = this->getGroup();
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| 252 | }
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| 253 | else
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| 254 | {
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| 255 | theGroup = newGroup;
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| 256 | }
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| 257 | MeshPtr newMesh = MeshManager::getSingleton().createManual(newName, theGroup);
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| 258 |
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| 259 | // Copy submeshes first
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| 260 | std::vector<SubMesh*>::iterator subi;
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| 261 | SubMesh* newSub;
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| 262 | for (subi = mSubMeshList.begin(); subi != mSubMeshList.end(); ++subi)
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| 263 | {
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| 264 | newSub = newMesh->createSubMesh();
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| 265 | newSub->mMaterialName = (*subi)->mMaterialName;
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| 266 | newSub->mMatInitialised = (*subi)->mMatInitialised;
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| 267 | newSub->operationType = (*subi)->operationType;
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| 268 | newSub->useSharedVertices = (*subi)->useSharedVertices;
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| 269 |
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| 270 | if (!(*subi)->useSharedVertices)
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| 271 | {
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| 272 | // Copy unique vertex data
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| 273 | newSub->vertexData = (*subi)->vertexData->clone();
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| 274 | // Copy unique index map
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| 275 | newSub->blendIndexToBoneIndexMap = (*subi)->blendIndexToBoneIndexMap;
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| 276 | }
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| 277 |
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| 278 | // Copy index data
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| 279 | delete newSub->indexData;
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| 280 | newSub->indexData = (*subi)->indexData->clone();
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| 281 | // Copy any bone assignments
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| 282 | newSub->mBoneAssignments = (*subi)->mBoneAssignments;
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| 283 | newSub->mBoneAssignmentsOutOfDate = (*subi)->mBoneAssignmentsOutOfDate;
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| 284 | // Copy texture aliases
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| 285 | newSub->mTextureAliases = (*subi)->mTextureAliases;
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| 286 |
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| 287 | // Copy lod face lists
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| 288 | newSub->mLodFaceList.reserve((*subi)->mLodFaceList.size());
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| 289 | ProgressiveMesh::LODFaceList::const_iterator facei;
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| 290 | for (facei = (*subi)->mLodFaceList.begin(); facei != (*subi)->mLodFaceList.end(); ++facei) {
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| 291 | IndexData* newIndexData = (*facei)->clone();
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| 292 | newSub->mLodFaceList.push_back(newIndexData);
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| 293 | }
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| 294 | }
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| 295 |
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| 296 | // Copy shared geometry and index map, if any
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| 297 | if (sharedVertexData)
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| 298 | {
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| 299 | newMesh->sharedVertexData = sharedVertexData->clone();
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| 300 | newMesh->sharedBlendIndexToBoneIndexMap = sharedBlendIndexToBoneIndexMap;
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| 301 | }
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| 302 |
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| 303 | // Copy submesh names
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| 304 | newMesh->mSubMeshNameMap = mSubMeshNameMap ;
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| 305 | // Copy any bone assignments
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| 306 | newMesh->mBoneAssignments = mBoneAssignments;
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| 307 | newMesh->mBoneAssignmentsOutOfDate = mBoneAssignmentsOutOfDate;
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| 308 | // Copy bounds
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| 309 | newMesh->mAABB = mAABB;
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| 310 | newMesh->mBoundRadius = mBoundRadius;
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| 311 |
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| 312 | newMesh->mIsLodManual = mIsLodManual;
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| 313 | newMesh->mNumLods = mNumLods;
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| 314 | newMesh->mMeshLodUsageList = mMeshLodUsageList;
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| 315 | // Unreference edge lists, otherwise we'll delete the same lot twice, build on demand
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| 316 | MeshLodUsageList::iterator lodi;
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| 317 | for (lodi = newMesh->mMeshLodUsageList.begin(); lodi != newMesh->mMeshLodUsageList.end(); ++lodi) {
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| 318 | MeshLodUsage& lod = *lodi;
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| 319 | lod.edgeData = NULL;
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| 320 | // TODO: Copy manual lod meshes
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| 321 | }
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| 322 |
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| 323 | newMesh->mVertexBufferUsage = mVertexBufferUsage;
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| 324 | newMesh->mIndexBufferUsage = mIndexBufferUsage;
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| 325 | newMesh->mVertexBufferShadowBuffer = mVertexBufferShadowBuffer;
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| 326 | newMesh->mIndexBufferShadowBuffer = mIndexBufferShadowBuffer;
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| 327 |
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| 328 | newMesh->mSkeletonName = mSkeletonName;
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| 329 | newMesh->mSkeleton = mSkeleton;
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| 330 |
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| 331 | // Keep prepared shadow volume info (buffers may already be prepared)
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| 332 | newMesh->mPreparedForShadowVolumes = mPreparedForShadowVolumes;
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| 333 |
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| 334 | // mEdgeListsBuilt and edgeData of mMeshLodUsageList
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| 335 | // will up to date on demand. Not copied since internal references, and mesh
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| 336 | // data may be altered
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| 337 |
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| 338 | newMesh->load();
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| 339 | newMesh->touch();
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| 340 |
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| 341 | return newMesh;
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| 342 |
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| 343 | }
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| 344 | //-----------------------------------------------------------------------
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| 345 | const AxisAlignedBox& Mesh::getBounds(void) const
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| 346 | {
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| 347 | return mAABB;
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| 348 | }
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| 349 | //-----------------------------------------------------------------------
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| 350 | void Mesh::_setBounds(const AxisAlignedBox& bounds, bool pad)
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| 351 | {
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| 352 | mAABB = bounds;
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| 353 | Vector3 max = mAABB.getMaximum();
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| 354 | Vector3 min = mAABB.getMinimum();
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| 355 |
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| 356 | // Set sphere bounds; not the tightest by since we're using
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| 357 | // manual AABB it is the only way
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| 358 | Real sqLen1 = min.squaredLength();
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| 359 | Real sqLen2 = max.squaredLength();
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| 360 |
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| 361 | mBoundRadius = Math::Sqrt(std::max(sqLen1, sqLen2));
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| 362 | if (pad)
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| 363 | {
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| 364 | // Pad out the AABB a little, helps with most bounds tests
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| 365 | Vector3 scaler = (max - min) * MeshManager::getSingleton().getBoundsPaddingFactor();
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| 366 | mAABB.setExtents(min - scaler, max + scaler);
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| 367 | // Pad out the sphere a little too
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| 368 | mBoundRadius = mBoundRadius + (mBoundRadius * MeshManager::getSingleton().getBoundsPaddingFactor());
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| 369 | }
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| 370 | else
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| 371 | {
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| 372 | mAABB.setExtents(min, max);
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| 373 | mBoundRadius = mBoundRadius;
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| 374 | }
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| 375 |
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| 376 | }
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| 377 | //-----------------------------------------------------------------------
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| 378 | void Mesh::_setBoundingSphereRadius(Real radius)
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| 379 | {
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| 380 | mBoundRadius = radius;
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| 381 | }
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| 382 | //-----------------------------------------------------------------------
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| 383 | void Mesh::setSkeletonName(const String& skelName)
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| 384 | {
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| 385 | mSkeletonName = skelName;
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| 386 |
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| 387 | if (skelName == "")
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| 388 | {
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| 389 | // No skeleton
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| 390 | mSkeleton.setNull();
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| 391 | }
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| 392 | else
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| 393 | {
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| 394 | // Load skeleton
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| 395 | try {
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| 396 | mSkeleton = SkeletonManager::getSingleton().load(skelName, mGroup);
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| 397 | }
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| 398 | catch (...)
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| 399 | {
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| 400 | mSkeleton.setNull();
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| 401 | // Log this error
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| 402 | String msg = "Unable to load skeleton ";
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| 403 | msg += skelName + " for Mesh " + mName
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| 404 | + ". This Mesh will not be animated. "
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| 405 | + "You can ignore this message if you are using an offline tool.";
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| 406 | LogManager::getSingleton().logMessage(msg);
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| 407 |
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| 408 | }
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| 409 |
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| 410 |
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| 411 | }
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| 412 | }
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| 413 | //-----------------------------------------------------------------------
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| 414 | bool Mesh::hasSkeleton(void) const
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| 415 | {
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| 416 | return !(mSkeletonName.empty());
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| 417 | }
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| 418 | //-----------------------------------------------------------------------
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| 419 | const SkeletonPtr& Mesh::getSkeleton(void) const
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| 420 | {
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| 421 | return mSkeleton;
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| 422 | }
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| 423 | //-----------------------------------------------------------------------
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| 424 | void Mesh::addBoneAssignment(const VertexBoneAssignment& vertBoneAssign)
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| 425 | {
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| 426 | mBoneAssignments.insert(
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| 427 | VertexBoneAssignmentList::value_type(vertBoneAssign.vertexIndex, vertBoneAssign));
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| 428 | mBoneAssignmentsOutOfDate = true;
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| 429 | }
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| 430 | //-----------------------------------------------------------------------
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| 431 | void Mesh::clearBoneAssignments(void)
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| 432 | {
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| 433 | mBoneAssignments.clear();
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| 434 | mBoneAssignmentsOutOfDate = true;
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| 435 | }
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| 436 | //-----------------------------------------------------------------------
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| 437 | void Mesh::_initAnimationState(AnimationStateSet* animSet)
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| 438 | {
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| 439 | // Animation states for skeletal animation
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| 440 | if (hasSkeleton())
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| 441 | {
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| 442 | // Delegate to Skeleton
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| 443 | assert(!mSkeleton.isNull() && "Skeleton not present");
|
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| 444 | mSkeleton->_initAnimationState(animSet);
|
---|
| 445 |
|
---|
| 446 | // Take the opportunity to update the compiled bone assignments
|
---|
| 447 | _updateCompiledBoneAssignments();
|
---|
| 448 | }
|
---|
| 449 |
|
---|
| 450 | // Animation states for vertex animation
|
---|
| 451 | for (AnimationList::iterator i = mAnimationsList.begin();
|
---|
| 452 | i != mAnimationsList.end(); ++i)
|
---|
| 453 | {
|
---|
| 454 | // Only create a new animation state if it doesn't exist
|
---|
| 455 | // We can have the same named animation in both skeletal and vertex
|
---|
| 456 | // with a shared animation state affecting both, for combined effects
|
---|
| 457 | // The animations should be the same length if this feature is used!
|
---|
| 458 | if (!animSet->hasAnimationState(i->second->getName()))
|
---|
| 459 | {
|
---|
| 460 | animSet->createAnimationState(i->second->getName(), 0.0,
|
---|
| 461 | i->second->getLength());
|
---|
| 462 | }
|
---|
| 463 |
|
---|
| 464 | }
|
---|
| 465 |
|
---|
| 466 | }
|
---|
| 467 | //-----------------------------------------------------------------------
|
---|
| 468 | void Mesh::_updateCompiledBoneAssignments(void)
|
---|
| 469 | {
|
---|
| 470 | if (mBoneAssignmentsOutOfDate)
|
---|
| 471 | _compileBoneAssignments();
|
---|
| 472 |
|
---|
| 473 | SubMeshList::iterator i;
|
---|
| 474 | for (i = mSubMeshList.begin(); i != mSubMeshList.end(); ++i)
|
---|
| 475 | {
|
---|
| 476 | if ((*i)->mBoneAssignmentsOutOfDate)
|
---|
| 477 | {
|
---|
| 478 | (*i)->_compileBoneAssignments();
|
---|
| 479 | }
|
---|
| 480 | }
|
---|
| 481 | }
|
---|
| 482 | //-----------------------------------------------------------------------
|
---|
| 483 | typedef std::multimap<Real, Mesh::VertexBoneAssignmentList::iterator> WeightIteratorMap;
|
---|
| 484 | unsigned short Mesh::_rationaliseBoneAssignments(size_t vertexCount, Mesh::VertexBoneAssignmentList& assignments)
|
---|
| 485 | {
|
---|
| 486 | // Iterate through, finding the largest # bones per vertex
|
---|
| 487 | unsigned short maxBones = 0;
|
---|
| 488 | unsigned short currBones;
|
---|
| 489 | currBones = 0;
|
---|
| 490 | VertexBoneAssignmentList::iterator i;
|
---|
| 491 |
|
---|
| 492 | for (size_t v = 0; v < vertexCount; ++v)
|
---|
| 493 | {
|
---|
| 494 | // Get number of entries for this vertex
|
---|
| 495 | currBones = static_cast<unsigned short>(assignments.count(v));
|
---|
| 496 |
|
---|
| 497 | // Deal with max bones update
|
---|
| 498 | // (note this will record maxBones even if they exceed limit)
|
---|
| 499 | if (maxBones < currBones)
|
---|
| 500 | maxBones = currBones;
|
---|
| 501 | // does the number of bone assignments exceed limit?
|
---|
| 502 | if (currBones > OGRE_MAX_BLEND_WEIGHTS)
|
---|
| 503 | {
|
---|
| 504 | // To many bone assignments on this vertex
|
---|
| 505 | // Find the start & end (end is in iterator terms ie exclusive)
|
---|
| 506 | std::pair<VertexBoneAssignmentList::iterator, VertexBoneAssignmentList::iterator> range;
|
---|
| 507 | // map to sort by weight
|
---|
| 508 | WeightIteratorMap weightToAssignmentMap;
|
---|
| 509 | range = assignments.equal_range(v);
|
---|
| 510 | // Add all the assignments to map
|
---|
| 511 | for (i = range.first; i != range.second; ++i)
|
---|
| 512 | {
|
---|
| 513 | // insert value weight->iterator
|
---|
| 514 | weightToAssignmentMap.insert(
|
---|
| 515 | WeightIteratorMap::value_type(i->second.weight, i));
|
---|
| 516 | }
|
---|
| 517 | // Reverse iterate over weight map, remove lowest n
|
---|
| 518 | unsigned short numToRemove = currBones - OGRE_MAX_BLEND_WEIGHTS;
|
---|
| 519 | WeightIteratorMap::iterator remIt = weightToAssignmentMap.begin();
|
---|
| 520 |
|
---|
| 521 | while (numToRemove--)
|
---|
| 522 | {
|
---|
| 523 | // Erase this one
|
---|
| 524 | assignments.erase(remIt->second);
|
---|
| 525 | ++remIt;
|
---|
| 526 | }
|
---|
| 527 | } // if (currBones > OGRE_MAX_BLEND_WEIGHTS)
|
---|
| 528 |
|
---|
| 529 | // Make sure the weights are normalised
|
---|
| 530 | // Do this irrespective of whether we had to remove assignments or not
|
---|
| 531 | // since it gives us a guarantee that weights are normalised
|
---|
| 532 | // We assume this, so it's a good idea since some modellers may not
|
---|
| 533 | std::pair<VertexBoneAssignmentList::iterator, VertexBoneAssignmentList::iterator> normalise_range = assignments.equal_range(v);
|
---|
| 534 | Real totalWeight = 0;
|
---|
| 535 | // Find total first
|
---|
| 536 | for (i = normalise_range.first; i != normalise_range.second; ++i)
|
---|
| 537 | {
|
---|
| 538 | totalWeight += i->second.weight;
|
---|
| 539 | }
|
---|
| 540 | // Now normalise if total weight is outside tolerance
|
---|
| 541 | if (!Math::RealEqual(totalWeight, 1.0f))
|
---|
| 542 | {
|
---|
| 543 | for (i = normalise_range.first; i != normalise_range.second; ++i)
|
---|
| 544 | {
|
---|
| 545 | i->second.weight = i->second.weight / totalWeight;
|
---|
| 546 | }
|
---|
| 547 | }
|
---|
| 548 |
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 | if (maxBones > OGRE_MAX_BLEND_WEIGHTS)
|
---|
| 552 | {
|
---|
| 553 | // Warn that we've reduced bone assignments
|
---|
| 554 | LogManager::getSingleton().logMessage("WARNING: the mesh '" + mName + "' "
|
---|
| 555 | "includes vertices with more than " +
|
---|
| 556 | StringConverter::toString(OGRE_MAX_BLEND_WEIGHTS) + " bone assignments. "
|
---|
| 557 | "The lowest weighted assignments beyond this limit have been removed, so "
|
---|
| 558 | "your animation may look slightly different. To eliminate this, reduce "
|
---|
| 559 | "the number of bone assignments per vertex on your mesh to " +
|
---|
| 560 | StringConverter::toString(OGRE_MAX_BLEND_WEIGHTS) + ".");
|
---|
| 561 | // we've adjusted them down to the max
|
---|
| 562 | maxBones = OGRE_MAX_BLEND_WEIGHTS;
|
---|
| 563 |
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 | return maxBones;
|
---|
| 567 | }
|
---|
| 568 | //-----------------------------------------------------------------------
|
---|
| 569 | void Mesh::_compileBoneAssignments(void)
|
---|
| 570 | {
|
---|
| 571 | unsigned short maxBones =
|
---|
| 572 | _rationaliseBoneAssignments(sharedVertexData->vertexCount, mBoneAssignments);
|
---|
| 573 |
|
---|
| 574 | if (maxBones != 0)
|
---|
| 575 | {
|
---|
| 576 | compileBoneAssignments(mBoneAssignments, maxBones,
|
---|
| 577 | sharedBlendIndexToBoneIndexMap, sharedVertexData);
|
---|
| 578 | }
|
---|
| 579 |
|
---|
| 580 | mBoneAssignmentsOutOfDate = false;
|
---|
| 581 | }
|
---|
| 582 | //---------------------------------------------------------------------
|
---|
| 583 | void Mesh::buildIndexMap(const VertexBoneAssignmentList& boneAssignments,
|
---|
| 584 | IndexMap& boneIndexToBlendIndexMap, IndexMap& blendIndexToBoneIndexMap)
|
---|
| 585 | {
|
---|
| 586 | if (boneAssignments.empty())
|
---|
| 587 | {
|
---|
| 588 | // Just in case
|
---|
| 589 | boneIndexToBlendIndexMap.clear();
|
---|
| 590 | blendIndexToBoneIndexMap.clear();
|
---|
| 591 | return;
|
---|
| 592 | }
|
---|
| 593 |
|
---|
| 594 | typedef std::set<unsigned short> BoneIndexSet;
|
---|
| 595 | BoneIndexSet usedBoneIndices;
|
---|
| 596 |
|
---|
| 597 | // Collect actually used bones
|
---|
| 598 | VertexBoneAssignmentList::const_iterator itVBA, itendVBA;
|
---|
| 599 | itendVBA = boneAssignments.end();
|
---|
| 600 | for (itVBA = boneAssignments.begin(); itVBA != itendVBA; ++itVBA)
|
---|
| 601 | {
|
---|
| 602 | usedBoneIndices.insert(itVBA->second.boneIndex);
|
---|
| 603 | }
|
---|
| 604 |
|
---|
| 605 | // Allocate space for index map
|
---|
| 606 | blendIndexToBoneIndexMap.resize(usedBoneIndices.size());
|
---|
| 607 | boneIndexToBlendIndexMap.resize(*usedBoneIndices.rbegin() + 1);
|
---|
| 608 |
|
---|
| 609 | // Make index map between bone index and blend index
|
---|
| 610 | BoneIndexSet::const_iterator itBoneIndex, itendBoneIndex;
|
---|
| 611 | unsigned short blendIndex = 0;
|
---|
| 612 | itendBoneIndex = usedBoneIndices.end();
|
---|
| 613 | for (itBoneIndex = usedBoneIndices.begin(); itBoneIndex != itendBoneIndex; ++itBoneIndex, ++blendIndex)
|
---|
| 614 | {
|
---|
| 615 | boneIndexToBlendIndexMap[*itBoneIndex] = blendIndex;
|
---|
| 616 | blendIndexToBoneIndexMap[blendIndex] = *itBoneIndex;
|
---|
| 617 | }
|
---|
| 618 | }
|
---|
| 619 | //---------------------------------------------------------------------
|
---|
| 620 | void Mesh::compileBoneAssignments(
|
---|
| 621 | const VertexBoneAssignmentList& boneAssignments,
|
---|
| 622 | unsigned short numBlendWeightsPerVertex,
|
---|
| 623 | IndexMap& blendIndexToBoneIndexMap,
|
---|
| 624 | VertexData* targetVertexData)
|
---|
| 625 | {
|
---|
| 626 | // Create or reuse blend weight / indexes buffer
|
---|
| 627 | // Indices are always a UBYTE4 no matter how many weights per vertex
|
---|
| 628 | // Weights are more specific though since they are Reals
|
---|
| 629 | VertexDeclaration* decl = targetVertexData->vertexDeclaration;
|
---|
| 630 | VertexBufferBinding* bind = targetVertexData->vertexBufferBinding;
|
---|
| 631 | unsigned short bindIndex;
|
---|
| 632 |
|
---|
| 633 | // Build the index map brute-force. It's possible to store the index map
|
---|
| 634 | // in .mesh, but maybe trivial.
|
---|
| 635 | IndexMap boneIndexToBlendIndexMap;
|
---|
| 636 | buildIndexMap(boneAssignments, boneIndexToBlendIndexMap, blendIndexToBoneIndexMap);
|
---|
| 637 |
|
---|
| 638 | const VertexElement* testElem =
|
---|
| 639 | decl->findElementBySemantic(VES_BLEND_INDICES);
|
---|
| 640 | if (testElem)
|
---|
| 641 | {
|
---|
| 642 | // Already have a buffer, unset it & delete elements
|
---|
| 643 | bindIndex = testElem->getSource();
|
---|
| 644 | // unset will cause deletion of buffer
|
---|
| 645 | bind->unsetBinding(bindIndex);
|
---|
| 646 | decl->removeElement(VES_BLEND_INDICES);
|
---|
| 647 | decl->removeElement(VES_BLEND_WEIGHTS);
|
---|
| 648 | }
|
---|
| 649 | else
|
---|
| 650 | {
|
---|
| 651 | // Get new binding
|
---|
| 652 | bindIndex = bind->getNextIndex();
|
---|
| 653 | }
|
---|
| 654 |
|
---|
| 655 | HardwareVertexBufferSharedPtr vbuf =
|
---|
| 656 | HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
| 657 | sizeof(unsigned char)*4 + sizeof(float)*numBlendWeightsPerVertex,
|
---|
| 658 | targetVertexData->vertexCount,
|
---|
| 659 | HardwareBuffer::HBU_STATIC_WRITE_ONLY,
|
---|
| 660 | true // use shadow buffer
|
---|
| 661 | );
|
---|
| 662 | // bind new buffer
|
---|
| 663 | bind->setBinding(bindIndex, vbuf);
|
---|
| 664 | const VertexElement *pIdxElem, *pWeightElem;
|
---|
| 665 |
|
---|
| 666 | // add new vertex elements
|
---|
| 667 | // Note, insert directly after all elements using the same source as
|
---|
| 668 | // position to abide by pre-Dx9 format restrictions
|
---|
| 669 | const VertexElement* firstElem = decl->getElement(0);
|
---|
| 670 | if(firstElem->getSemantic() == VES_POSITION)
|
---|
| 671 | {
|
---|
| 672 | unsigned short insertPoint = 1;
|
---|
| 673 | while (insertPoint < decl->getElementCount() &&
|
---|
| 674 | decl->getElement(insertPoint)->getSource() == firstElem->getSource())
|
---|
| 675 | {
|
---|
| 676 | ++insertPoint;
|
---|
| 677 | }
|
---|
| 678 | const VertexElement& idxElem =
|
---|
| 679 | decl->insertElement(insertPoint, bindIndex, 0, VET_UBYTE4, VES_BLEND_INDICES);
|
---|
| 680 | const VertexElement& wtElem =
|
---|
| 681 | decl->insertElement(insertPoint+1, bindIndex, sizeof(unsigned char)*4,
|
---|
| 682 | VertexElement::multiplyTypeCount(VET_FLOAT1, numBlendWeightsPerVertex),
|
---|
| 683 | VES_BLEND_WEIGHTS);
|
---|
| 684 | pIdxElem = &idxElem;
|
---|
| 685 | pWeightElem = &wtElem;
|
---|
| 686 | }
|
---|
| 687 | else
|
---|
| 688 | {
|
---|
| 689 | // Position is not the first semantic, therefore this declaration is
|
---|
| 690 | // not pre-Dx9 compatible anyway, so just tack it on the end
|
---|
| 691 | const VertexElement& idxElem =
|
---|
| 692 | decl->addElement(bindIndex, 0, VET_UBYTE4, VES_BLEND_INDICES);
|
---|
| 693 | const VertexElement& wtElem =
|
---|
| 694 | decl->addElement(bindIndex, sizeof(unsigned char)*4,
|
---|
| 695 | VertexElement::multiplyTypeCount(VET_FLOAT1, numBlendWeightsPerVertex),
|
---|
| 696 | VES_BLEND_WEIGHTS);
|
---|
| 697 | pIdxElem = &idxElem;
|
---|
| 698 | pWeightElem = &wtElem;
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | // Assign data
|
---|
| 702 | size_t v;
|
---|
| 703 | VertexBoneAssignmentList::const_iterator i, iend;
|
---|
| 704 | i = boneAssignments.begin();
|
---|
| 705 | iend = boneAssignments.end();
|
---|
| 706 | unsigned char *pBase = static_cast<unsigned char*>(
|
---|
| 707 | vbuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
| 708 | // Iterate by vertex
|
---|
| 709 | float *pWeight;
|
---|
| 710 | unsigned char *pIndex;
|
---|
| 711 | for (v = 0; v < targetVertexData->vertexCount; ++v)
|
---|
| 712 | {
|
---|
| 713 | /// Convert to specific pointers
|
---|
| 714 | pWeightElem->baseVertexPointerToElement(pBase, &pWeight);
|
---|
| 715 | pIdxElem->baseVertexPointerToElement(pBase, &pIndex);
|
---|
| 716 | for (unsigned short bone = 0; bone < numBlendWeightsPerVertex; ++bone)
|
---|
| 717 | {
|
---|
| 718 | // Do we still have data for this vertex?
|
---|
| 719 | if (i != iend && i->second.vertexIndex == v)
|
---|
| 720 | {
|
---|
| 721 | // If so, write weight
|
---|
| 722 | *pWeight++ = i->second.weight;
|
---|
| 723 | *pIndex++ = boneIndexToBlendIndexMap[i->second.boneIndex];
|
---|
| 724 | ++i;
|
---|
| 725 | }
|
---|
| 726 | else
|
---|
| 727 | {
|
---|
| 728 | // Ran out of assignments for this vertex, use weight 0 to indicate empty
|
---|
| 729 | *pWeight++ = 0.0f;
|
---|
| 730 | *pIndex++ = 0;
|
---|
| 731 | }
|
---|
| 732 | }
|
---|
| 733 | pBase += vbuf->getVertexSize();
|
---|
| 734 | }
|
---|
| 735 |
|
---|
| 736 | vbuf->unlock();
|
---|
| 737 |
|
---|
| 738 | }
|
---|
| 739 | //---------------------------------------------------------------------
|
---|
| 740 | void Mesh::_notifySkeleton(SkeletonPtr& pSkel)
|
---|
| 741 | {
|
---|
| 742 | mSkeleton = pSkel;
|
---|
| 743 | mSkeletonName = pSkel->getName();
|
---|
| 744 | }
|
---|
| 745 | //---------------------------------------------------------------------
|
---|
| 746 | Mesh::BoneAssignmentIterator Mesh::getBoneAssignmentIterator(void)
|
---|
| 747 | {
|
---|
| 748 | return BoneAssignmentIterator(mBoneAssignments.begin(),
|
---|
| 749 | mBoneAssignments.end());
|
---|
| 750 | }
|
---|
| 751 | //---------------------------------------------------------------------
|
---|
| 752 | const String& Mesh::getSkeletonName(void) const
|
---|
| 753 | {
|
---|
| 754 | return mSkeletonName;
|
---|
| 755 | }
|
---|
| 756 | //---------------------------------------------------------------------
|
---|
| 757 | void Mesh::generateLodLevels(const LodDistanceList& lodDistances,
|
---|
| 758 | ProgressiveMesh::VertexReductionQuota reductionMethod, Real reductionValue)
|
---|
| 759 | {
|
---|
| 760 | #if OGRE_DEBUG_MODE
|
---|
| 761 | Real prev = 0;
|
---|
| 762 | for (LodDistanceList::const_iterator it = lodDistances.begin();
|
---|
| 763 | it != lodDistances.end(); ++it)
|
---|
| 764 | {
|
---|
| 765 | Real cur = (*it) * (*it);
|
---|
| 766 | assert(cur >= prev && "The lod distances must be sort ascending");
|
---|
| 767 | prev = cur;
|
---|
| 768 | }
|
---|
| 769 | #endif
|
---|
| 770 |
|
---|
| 771 | removeLodLevels();
|
---|
| 772 |
|
---|
| 773 | StringUtil::StrStreamType str;
|
---|
| 774 | str << "Generating " << lodDistances.size()
|
---|
| 775 | << " lower LODs for mesh " << mName;
|
---|
| 776 | LogManager::getSingleton().logMessage(str.str());
|
---|
| 777 |
|
---|
| 778 | SubMeshList::iterator isub, isubend;
|
---|
| 779 | isubend = mSubMeshList.end();
|
---|
| 780 | for (isub = mSubMeshList.begin(); isub != isubend; ++isub)
|
---|
| 781 | {
|
---|
| 782 | // Set up data for reduction
|
---|
| 783 | VertexData* pVertexData = (*isub)->useSharedVertices ? sharedVertexData : (*isub)->vertexData;
|
---|
| 784 |
|
---|
| 785 | ProgressiveMesh pm(pVertexData, (*isub)->indexData);
|
---|
| 786 | pm.build(
|
---|
| 787 | static_cast<ushort>(lodDistances.size()),
|
---|
| 788 | &((*isub)->mLodFaceList),
|
---|
| 789 | reductionMethod, reductionValue);
|
---|
| 790 |
|
---|
| 791 | }
|
---|
| 792 |
|
---|
| 793 | // Iterate over the lods and record usage
|
---|
| 794 | LodDistanceList::const_iterator idist, idistend;
|
---|
| 795 | idistend = lodDistances.end();
|
---|
| 796 | mMeshLodUsageList.resize(lodDistances.size() + 1);
|
---|
| 797 | MeshLodUsageList::iterator ilod = mMeshLodUsageList.begin();
|
---|
| 798 | for (idist = lodDistances.begin(); idist != idistend; ++idist)
|
---|
| 799 | {
|
---|
| 800 | // Record usage
|
---|
| 801 | MeshLodUsage& lod = *++ilod;
|
---|
| 802 | lod.fromDepthSquared = (*idist) * (*idist);
|
---|
| 803 | lod.edgeData = 0;
|
---|
| 804 | lod.manualMesh.setNull();
|
---|
| 805 | }
|
---|
| 806 | mNumLods = static_cast<ushort>(lodDistances.size() + 1);
|
---|
| 807 | }
|
---|
| 808 | //---------------------------------------------------------------------
|
---|
| 809 | ushort Mesh::getNumLodLevels(void) const
|
---|
| 810 | {
|
---|
| 811 | return mNumLods;
|
---|
| 812 | }
|
---|
| 813 | //---------------------------------------------------------------------
|
---|
| 814 | const MeshLodUsage& Mesh::getLodLevel(ushort index) const
|
---|
| 815 | {
|
---|
| 816 | assert(index < mMeshLodUsageList.size());
|
---|
| 817 | if (mIsLodManual && index > 0 && mMeshLodUsageList[index].manualMesh.isNull())
|
---|
| 818 | {
|
---|
| 819 | // Load the mesh now
|
---|
| 820 | try {
|
---|
| 821 | mMeshLodUsageList[index].manualMesh =
|
---|
| 822 | MeshManager::getSingleton().load(
|
---|
| 823 | mMeshLodUsageList[index].manualName,
|
---|
| 824 | mGroup);
|
---|
| 825 | // get the edge data, if required
|
---|
| 826 | if (!mMeshLodUsageList[index].edgeData)
|
---|
| 827 | {
|
---|
| 828 | mMeshLodUsageList[index].edgeData =
|
---|
| 829 | mMeshLodUsageList[index].manualMesh->getEdgeList(0);
|
---|
| 830 | }
|
---|
| 831 | }
|
---|
| 832 | catch (Exception& )
|
---|
| 833 | {
|
---|
| 834 | StringUtil::StrStreamType str;
|
---|
| 835 | str << "Error while loading manual LOD level "
|
---|
| 836 | << mMeshLodUsageList[index].manualName
|
---|
| 837 | << " - this LOD level will not be rendered. You can "
|
---|
| 838 | << "ignore this error in offline mesh tools.";
|
---|
| 839 | LogManager::getSingleton().logMessage(str.str());
|
---|
| 840 | }
|
---|
| 841 |
|
---|
| 842 | }
|
---|
| 843 | return mMeshLodUsageList[index];
|
---|
| 844 | }
|
---|
| 845 | //---------------------------------------------------------------------
|
---|
| 846 | struct ManualLodSortLess :
|
---|
| 847 | public std::binary_function<const MeshLodUsage&, const MeshLodUsage&, bool>
|
---|
| 848 | {
|
---|
| 849 | bool operator() (const MeshLodUsage& mesh1, const MeshLodUsage& mesh2)
|
---|
| 850 | {
|
---|
| 851 | // sort ascending by depth
|
---|
| 852 | return mesh1.fromDepthSquared < mesh2.fromDepthSquared;
|
---|
| 853 | }
|
---|
| 854 | };
|
---|
| 855 | void Mesh::createManualLodLevel(Real fromDepth, const String& meshName)
|
---|
| 856 | {
|
---|
| 857 |
|
---|
| 858 | // Basic prerequisites
|
---|
| 859 | assert(fromDepth > 0 && "The LOD depth must be greater than zero");
|
---|
| 860 | assert((mIsLodManual || mNumLods == 1) && "Generated LODs already in use!");
|
---|
| 861 |
|
---|
| 862 | mIsLodManual = true;
|
---|
| 863 | MeshLodUsage lod;
|
---|
| 864 | lod.fromDepthSquared = fromDepth * fromDepth;
|
---|
| 865 | lod.manualName = meshName;
|
---|
| 866 | lod.manualMesh.setNull();
|
---|
| 867 | lod.edgeData = 0;
|
---|
| 868 | mMeshLodUsageList.push_back(lod);
|
---|
| 869 | ++mNumLods;
|
---|
| 870 |
|
---|
| 871 | std::sort(mMeshLodUsageList.begin(), mMeshLodUsageList.end(), ManualLodSortLess());
|
---|
| 872 | }
|
---|
| 873 | //---------------------------------------------------------------------
|
---|
| 874 | void Mesh::updateManualLodLevel(ushort index, const String& meshName)
|
---|
| 875 | {
|
---|
| 876 |
|
---|
| 877 | // Basic prerequisites
|
---|
| 878 | assert(mIsLodManual && "Not using manual LODs!");
|
---|
| 879 | assert(index != 0 && "Can't modify first lod level (full detail)");
|
---|
| 880 | assert(index < mMeshLodUsageList.size() && "Index out of bounds");
|
---|
| 881 | // get lod
|
---|
| 882 | MeshLodUsage* lod = &(mMeshLodUsageList[index]);
|
---|
| 883 |
|
---|
| 884 | lod->manualName = meshName;
|
---|
| 885 | lod->manualMesh.setNull();
|
---|
| 886 | if (lod->edgeData) delete lod->edgeData;
|
---|
| 887 | lod->edgeData = 0;
|
---|
| 888 | }
|
---|
| 889 | //---------------------------------------------------------------------
|
---|
| 890 | ushort Mesh::getLodIndex(Real depth) const
|
---|
| 891 | {
|
---|
| 892 | return getLodIndexSquaredDepth(depth * depth);
|
---|
| 893 | }
|
---|
| 894 | //---------------------------------------------------------------------
|
---|
| 895 | ushort Mesh::getLodIndexSquaredDepth(Real squaredDepth) const
|
---|
| 896 | {
|
---|
| 897 | MeshLodUsageList::const_iterator i, iend;
|
---|
| 898 | iend = mMeshLodUsageList.end();
|
---|
| 899 | ushort index = 0;
|
---|
| 900 | for (i = mMeshLodUsageList.begin(); i != iend; ++i, ++index)
|
---|
| 901 | {
|
---|
| 902 | if (i->fromDepthSquared > squaredDepth)
|
---|
| 903 | {
|
---|
| 904 | return index - 1;
|
---|
| 905 | }
|
---|
| 906 | }
|
---|
| 907 |
|
---|
| 908 | // If we fall all the way through, use the highest value
|
---|
| 909 | return static_cast<ushort>(mMeshLodUsageList.size() - 1);
|
---|
| 910 |
|
---|
| 911 |
|
---|
| 912 | }
|
---|
| 913 | //---------------------------------------------------------------------
|
---|
| 914 | void Mesh::_setLodInfo(unsigned short numLevels, bool isManual)
|
---|
| 915 | {
|
---|
| 916 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built");
|
---|
| 917 |
|
---|
| 918 | // Basic prerequisites
|
---|
| 919 | assert(numLevels > 0 && "Must be at least one level (full detail level must exist)");
|
---|
| 920 |
|
---|
| 921 | mNumLods = numLevels;
|
---|
| 922 | mMeshLodUsageList.resize(numLevels);
|
---|
| 923 | // Resize submesh face data lists too
|
---|
| 924 | for (SubMeshList::iterator i = mSubMeshList.begin(); i != mSubMeshList.end(); ++i)
|
---|
| 925 | {
|
---|
| 926 | (*i)->mLodFaceList.resize(numLevels - 1);
|
---|
| 927 | }
|
---|
| 928 | mIsLodManual = isManual;
|
---|
| 929 | }
|
---|
| 930 | //---------------------------------------------------------------------
|
---|
| 931 | void Mesh::_setLodUsage(unsigned short level, MeshLodUsage& usage)
|
---|
| 932 | {
|
---|
| 933 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built");
|
---|
| 934 |
|
---|
| 935 | // Basic prerequisites
|
---|
| 936 | assert(level != 0 && "Can't modify first lod level (full detail)");
|
---|
| 937 | assert(level < mMeshLodUsageList.size() && "Index out of bounds");
|
---|
| 938 |
|
---|
| 939 | mMeshLodUsageList[level] = usage;
|
---|
| 940 | }
|
---|
| 941 | //---------------------------------------------------------------------
|
---|
| 942 | void Mesh::_setSubMeshLodFaceList(unsigned short subIdx, unsigned short level,
|
---|
| 943 | IndexData* facedata)
|
---|
| 944 | {
|
---|
| 945 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built");
|
---|
| 946 |
|
---|
| 947 | // Basic prerequisites
|
---|
| 948 | assert(!mIsLodManual && "Not using generated LODs!");
|
---|
| 949 | assert(subIdx <= mSubMeshList.size() && "Index out of bounds");
|
---|
| 950 | assert(level != 0 && "Can't modify first lod level (full detail)");
|
---|
| 951 | assert(level <= mSubMeshList[subIdx]->mLodFaceList.size() && "Index out of bounds");
|
---|
| 952 |
|
---|
| 953 | SubMesh* sm = mSubMeshList[subIdx];
|
---|
| 954 | sm->mLodFaceList[level - 1] = facedata;
|
---|
| 955 |
|
---|
| 956 | }
|
---|
| 957 | //---------------------------------------------------------------------
|
---|
| 958 | ushort Mesh::_getSubMeshIndex(const String& name) const
|
---|
| 959 | {
|
---|
| 960 | SubMeshNameMap::const_iterator i = mSubMeshNameMap.find(name) ;
|
---|
| 961 | if (i == mSubMeshNameMap.end())
|
---|
| 962 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "No SubMesh named " + name + " found.",
|
---|
| 963 | "Mesh::_getSubMeshIndex");
|
---|
| 964 |
|
---|
| 965 | return i->second;
|
---|
| 966 | }
|
---|
| 967 | //---------------------------------------------------------------------
|
---|
| 968 | void Mesh::removeLodLevels(void)
|
---|
| 969 | {
|
---|
| 970 | if (!mIsLodManual)
|
---|
| 971 | {
|
---|
| 972 | // Remove data from SubMeshes
|
---|
| 973 | SubMeshList::iterator isub, isubend;
|
---|
| 974 | isubend = mSubMeshList.end();
|
---|
| 975 | for (isub = mSubMeshList.begin(); isub != isubend; ++isub)
|
---|
| 976 | {
|
---|
| 977 | (*isub)->removeLodLevels();
|
---|
| 978 | }
|
---|
| 979 | }
|
---|
| 980 |
|
---|
| 981 | freeEdgeList();
|
---|
| 982 | mMeshLodUsageList.clear();
|
---|
| 983 |
|
---|
| 984 | // Reinitialise
|
---|
| 985 | mNumLods = 1;
|
---|
| 986 | // Init first (manual) lod
|
---|
| 987 | MeshLodUsage lod;
|
---|
| 988 | lod.fromDepthSquared = 0.0f;
|
---|
| 989 | lod.edgeData = 0;
|
---|
| 990 | lod.manualMesh.setNull();
|
---|
| 991 | mMeshLodUsageList.push_back(lod);
|
---|
| 992 | mIsLodManual = false;
|
---|
| 993 |
|
---|
| 994 |
|
---|
| 995 | }
|
---|
| 996 | //---------------------------------------------------------------------
|
---|
| 997 | Real Mesh::getBoundingSphereRadius(void) const
|
---|
| 998 | {
|
---|
| 999 | return mBoundRadius;
|
---|
| 1000 | }
|
---|
| 1001 | //---------------------------------------------------------------------
|
---|
| 1002 | void Mesh::setVertexBufferPolicy(HardwareBuffer::Usage vbUsage, bool shadowBuffer)
|
---|
| 1003 | {
|
---|
| 1004 | mVertexBufferUsage = vbUsage;
|
---|
| 1005 | mVertexBufferShadowBuffer = shadowBuffer;
|
---|
| 1006 | }
|
---|
| 1007 | //---------------------------------------------------------------------
|
---|
| 1008 | void Mesh::setIndexBufferPolicy(HardwareBuffer::Usage vbUsage, bool shadowBuffer)
|
---|
| 1009 | {
|
---|
| 1010 | mIndexBufferUsage = vbUsage;
|
---|
| 1011 | mIndexBufferShadowBuffer = shadowBuffer;
|
---|
| 1012 | }
|
---|
| 1013 | //---------------------------------------------------------------------
|
---|
| 1014 | void Mesh::organiseTangentsBuffer(VertexData *vertexData,
|
---|
| 1015 | unsigned short destCoordSet)
|
---|
| 1016 | {
|
---|
| 1017 | VertexDeclaration *vDecl = vertexData->vertexDeclaration ;
|
---|
| 1018 | VertexBufferBinding *vBind = vertexData->vertexBufferBinding ;
|
---|
| 1019 |
|
---|
| 1020 | const VertexElement *tex3D = vDecl->findElementBySemantic(VES_TEXTURE_COORDINATES, destCoordSet);
|
---|
| 1021 | bool needsToBeCreated = false;
|
---|
| 1022 |
|
---|
| 1023 | if (!tex3D)
|
---|
| 1024 | { // no tex coords with index 1
|
---|
| 1025 | needsToBeCreated = true ;
|
---|
| 1026 | }
|
---|
| 1027 | else if (tex3D->getType() != VET_FLOAT3)
|
---|
| 1028 | {
|
---|
| 1029 | // tex buffer exists, but not 3D
|
---|
| 1030 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1031 | "Texture coordinate set " + StringConverter::toString(destCoordSet) +
|
---|
| 1032 | "already exists but is not 3D, therefore cannot contain tangents. Pick "
|
---|
| 1033 | "an alternative destination coordinate set. ",
|
---|
| 1034 | "Mesh::organiseTangentsBuffer");
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 | HardwareVertexBufferSharedPtr newBuffer;
|
---|
| 1038 | if (needsToBeCreated)
|
---|
| 1039 | {
|
---|
| 1040 | // What we need to do, to be most efficient with our vertex streams,
|
---|
| 1041 | // is to tack the new 3D coordinate set onto the same buffer as the
|
---|
| 1042 | // previous texture coord set
|
---|
| 1043 | const VertexElement* prevTexCoordElem =
|
---|
| 1044 | vertexData->vertexDeclaration->findElementBySemantic(
|
---|
| 1045 | VES_TEXTURE_COORDINATES, destCoordSet - 1);
|
---|
| 1046 | if (!prevTexCoordElem)
|
---|
| 1047 | {
|
---|
| 1048 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
| 1049 | "Cannot locate the texture coordinate element preceding the "
|
---|
| 1050 | "destination texture coordinate set to which to append the new "
|
---|
| 1051 | "tangents.", "Mesh::orgagniseTangentsBuffer");
|
---|
| 1052 | }
|
---|
| 1053 | // Find the buffer associated with this element
|
---|
| 1054 | HardwareVertexBufferSharedPtr origBuffer =
|
---|
| 1055 | vertexData->vertexBufferBinding->getBuffer(
|
---|
| 1056 | prevTexCoordElem->getSource());
|
---|
| 1057 | // Now create a new buffer, which includes the previous contents
|
---|
| 1058 | // plus extra space for the 3D coords
|
---|
| 1059 | newBuffer = HardwareBufferManager::getSingleton().createVertexBuffer(
|
---|
| 1060 | origBuffer->getVertexSize() + 3*sizeof(float),
|
---|
| 1061 | vertexData->vertexCount,
|
---|
| 1062 | origBuffer->getUsage(),
|
---|
| 1063 | origBuffer->hasShadowBuffer() );
|
---|
| 1064 | // Add the new element
|
---|
| 1065 | vDecl->addElement(
|
---|
| 1066 | prevTexCoordElem->getSource(),
|
---|
| 1067 | origBuffer->getVertexSize(),
|
---|
| 1068 | VET_FLOAT3,
|
---|
| 1069 | VES_TEXTURE_COORDINATES,
|
---|
| 1070 | destCoordSet);
|
---|
| 1071 | // Now copy the original data across
|
---|
| 1072 | unsigned char* pSrc = static_cast<unsigned char*>(
|
---|
| 1073 | origBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1074 | unsigned char* pDest = static_cast<unsigned char*>(
|
---|
| 1075 | newBuffer->lock(HardwareBuffer::HBL_DISCARD));
|
---|
| 1076 | size_t vertSize = origBuffer->getVertexSize();
|
---|
| 1077 | for (size_t v = 0; v < vertexData->vertexCount; ++v)
|
---|
| 1078 | {
|
---|
| 1079 | // Copy original vertex data
|
---|
| 1080 | memcpy(pDest, pSrc, vertSize);
|
---|
| 1081 | pSrc += vertSize;
|
---|
| 1082 | pDest += vertSize;
|
---|
| 1083 | // Set the new part to 0 since we'll accumulate in this
|
---|
| 1084 | memset(pDest, 0, sizeof(float)*3);
|
---|
| 1085 | pDest += sizeof(float)*3;
|
---|
| 1086 | }
|
---|
| 1087 | origBuffer->unlock();
|
---|
| 1088 | newBuffer->unlock();
|
---|
| 1089 |
|
---|
| 1090 | // Rebind the new buffer
|
---|
| 1091 | vBind->setBinding(prevTexCoordElem->getSource(), newBuffer);
|
---|
| 1092 | }
|
---|
| 1093 | }
|
---|
| 1094 | //---------------------------------------------------------------------
|
---|
| 1095 | void Mesh::buildTangentVectors(unsigned short sourceTexCoordSet,
|
---|
| 1096 | unsigned short destTexCoordSet)
|
---|
| 1097 | {
|
---|
| 1098 | if (destTexCoordSet == 0)
|
---|
| 1099 | {
|
---|
| 1100 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1101 | "Destination texture coordinate set must be greater than 0",
|
---|
| 1102 | "Mesh::buildTangentVectors");
|
---|
| 1103 | }
|
---|
| 1104 |
|
---|
| 1105 | // our temp. buffers
|
---|
| 1106 | uint32 vertInd[3];
|
---|
| 1107 | Vector3 vertPos[3];
|
---|
| 1108 | Real u[3], v[3];
|
---|
| 1109 | // setup a new 3D texture coord-set buffer for every sub mesh
|
---|
| 1110 | int nSubMesh = getNumSubMeshes();
|
---|
| 1111 | bool sharedGeometryDone = false;
|
---|
| 1112 | for (int sm = 0; sm < nSubMesh; sm++)
|
---|
| 1113 | {
|
---|
| 1114 | // retrieve buffer pointers
|
---|
| 1115 | uint16 *pVIndices16; // the face indices buffer, read only
|
---|
| 1116 | uint32 *pVIndices32; // the face indices buffer, read only
|
---|
| 1117 | float *p2DTC; // pointer to 2D tex.coords, read only
|
---|
| 1118 | float *p3DTC; // pointer to 3D tex.coords, write/read (discard)
|
---|
| 1119 | float *pVPos; // vertex position buffer, read only
|
---|
| 1120 |
|
---|
| 1121 | SubMesh *pSubMesh = getSubMesh(sm);
|
---|
| 1122 |
|
---|
| 1123 | // retrieve buffer pointers
|
---|
| 1124 | // first, indices
|
---|
| 1125 | IndexData *indexData = pSubMesh->indexData;
|
---|
| 1126 | HardwareIndexBufferSharedPtr buffIndex = indexData->indexBuffer;
|
---|
| 1127 | bool use32bit = false;
|
---|
| 1128 | if (buffIndex->getType() == HardwareIndexBuffer::IT_32BIT)
|
---|
| 1129 | {
|
---|
| 1130 | pVIndices32 = static_cast<uint32*>(
|
---|
| 1131 | buffIndex->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1132 | use32bit = true;
|
---|
| 1133 | }
|
---|
| 1134 | else
|
---|
| 1135 | {
|
---|
| 1136 | pVIndices16 = static_cast<uint16*>(
|
---|
| 1137 | buffIndex->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1138 | }
|
---|
| 1139 | // then, vertices
|
---|
| 1140 | VertexData *usedVertexData ;
|
---|
| 1141 | if (pSubMesh->useSharedVertices) {
|
---|
| 1142 | // Don't do shared geometry more than once
|
---|
| 1143 | if (sharedGeometryDone)
|
---|
| 1144 | continue;
|
---|
| 1145 | usedVertexData = sharedVertexData;
|
---|
| 1146 | sharedGeometryDone = true;
|
---|
| 1147 | } else {
|
---|
| 1148 | usedVertexData = pSubMesh->vertexData;
|
---|
| 1149 | }
|
---|
| 1150 | VertexDeclaration *vDecl = usedVertexData->vertexDeclaration;
|
---|
| 1151 | VertexBufferBinding *vBind = usedVertexData->vertexBufferBinding;
|
---|
| 1152 |
|
---|
| 1153 |
|
---|
| 1154 | // make sure we have a 3D coord to place data in
|
---|
| 1155 | organiseTangentsBuffer(usedVertexData, destTexCoordSet);
|
---|
| 1156 |
|
---|
| 1157 | // Get the target element
|
---|
| 1158 | const VertexElement* destElem = vDecl->findElementBySemantic(VES_TEXTURE_COORDINATES, destTexCoordSet);
|
---|
| 1159 | // Get the source element
|
---|
| 1160 | const VertexElement* srcElem = vDecl->findElementBySemantic(VES_TEXTURE_COORDINATES, sourceTexCoordSet);
|
---|
| 1161 |
|
---|
| 1162 | if (!srcElem || srcElem->getType() != VET_FLOAT2)
|
---|
| 1163 | {
|
---|
| 1164 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1165 | "SubMesh " + StringConverter::toString(sm) + " of Mesh " + mName +
|
---|
| 1166 | " has no 2D texture coordinates at the selected set, therefore we cannot calculate tangents.",
|
---|
| 1167 | "Mesh::buildTangentVectors");
|
---|
| 1168 | }
|
---|
| 1169 | HardwareVertexBufferSharedPtr srcBuf, destBuf, posBuf;
|
---|
| 1170 | unsigned char *pSrcBase, *pDestBase, *pPosBase;
|
---|
| 1171 | size_t srcInc, destInc, posInc;
|
---|
| 1172 |
|
---|
| 1173 | srcBuf = vBind->getBuffer(srcElem->getSource());
|
---|
| 1174 | // Is the source and destination buffer the same?
|
---|
| 1175 | if (srcElem->getSource() == destElem->getSource())
|
---|
| 1176 | {
|
---|
| 1177 | // lock source for read and write
|
---|
| 1178 | pSrcBase = static_cast<unsigned char*>(
|
---|
| 1179 | srcBuf->lock(HardwareBuffer::HBL_NORMAL));
|
---|
| 1180 | srcInc = srcBuf->getVertexSize();
|
---|
| 1181 | pDestBase = pSrcBase;
|
---|
| 1182 | destInc = srcInc;
|
---|
| 1183 | }
|
---|
| 1184 | else
|
---|
| 1185 | {
|
---|
| 1186 | pSrcBase = static_cast<unsigned char*>(
|
---|
| 1187 | srcBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1188 | srcInc = srcBuf->getVertexSize();
|
---|
| 1189 | destBuf = vBind->getBuffer(destElem->getSource());
|
---|
| 1190 | destInc = destBuf->getVertexSize();
|
---|
| 1191 | pDestBase = static_cast<unsigned char*>(
|
---|
| 1192 | destBuf->lock(HardwareBuffer::HBL_NORMAL));
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | // find a vertex coord buffer
|
---|
| 1196 | const VertexElement *elemVPos = vDecl->findElementBySemantic(VES_POSITION);
|
---|
| 1197 | if (elemVPos->getSource() == srcElem->getSource())
|
---|
| 1198 | {
|
---|
| 1199 | pPosBase = pSrcBase;
|
---|
| 1200 | posInc = srcInc;
|
---|
| 1201 | }
|
---|
| 1202 | else if (elemVPos->getSource() == destElem->getSource())
|
---|
| 1203 | {
|
---|
| 1204 | pPosBase = pDestBase;
|
---|
| 1205 | posInc = destInc;
|
---|
| 1206 | }
|
---|
| 1207 | else
|
---|
| 1208 | {
|
---|
| 1209 | // A different buffer
|
---|
| 1210 | posBuf = vBind->getBuffer(elemVPos->getSource());
|
---|
| 1211 | pPosBase = static_cast<unsigned char*>(
|
---|
| 1212 | posBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1213 | posInc = posBuf->getVertexSize();
|
---|
| 1214 | }
|
---|
| 1215 |
|
---|
| 1216 | size_t numFaces = indexData->indexCount / 3 ;
|
---|
| 1217 |
|
---|
| 1218 | // loop through all faces to calculate the tangents and normals
|
---|
| 1219 | size_t n;
|
---|
| 1220 | for (n = 0; n < numFaces; ++n)
|
---|
| 1221 | {
|
---|
| 1222 | int i;
|
---|
| 1223 | for (i = 0; i < 3; ++i)
|
---|
| 1224 | {
|
---|
| 1225 | // get indexes of vertices that form a polygon in the position buffer
|
---|
| 1226 | if (use32bit)
|
---|
| 1227 | {
|
---|
| 1228 | vertInd[i] = *pVIndices32++;
|
---|
| 1229 | }
|
---|
| 1230 | else
|
---|
| 1231 | {
|
---|
| 1232 | vertInd[i] = *pVIndices16++;
|
---|
| 1233 | }
|
---|
| 1234 | // get the vertices positions from the position buffer
|
---|
| 1235 | unsigned char* vBase = pPosBase + (posInc * vertInd[i]);
|
---|
| 1236 | elemVPos->baseVertexPointerToElement(vBase, &pVPos);
|
---|
| 1237 | vertPos[i].x = pVPos[0];
|
---|
| 1238 | vertPos[i].y = pVPos[1];
|
---|
| 1239 | vertPos[i].z = pVPos[2];
|
---|
| 1240 | // get the vertices tex.coords from the 2D tex.coords buffer
|
---|
| 1241 | vBase = pSrcBase + (srcInc * vertInd[i]);
|
---|
| 1242 | srcElem->baseVertexPointerToElement(vBase, &p2DTC);
|
---|
| 1243 | u[i] = p2DTC[0];
|
---|
| 1244 | v[i] = p2DTC[1];
|
---|
| 1245 | }
|
---|
| 1246 | // calculate the TSB
|
---|
| 1247 | Vector3 tangent = Math::calculateTangentSpaceVector(
|
---|
| 1248 | vertPos[0], vertPos[1], vertPos[2],
|
---|
| 1249 | u[0], v[0], u[1], v[1], u[2], v[2]);
|
---|
| 1250 | // write new tex.coords
|
---|
| 1251 | // note we only write the tangent, not the binormal since we can calculate
|
---|
| 1252 | // the binormal in the vertex program
|
---|
| 1253 | for (i = 0; i < 3; ++i)
|
---|
| 1254 | {
|
---|
| 1255 | // write values (they must be 0 and we must add them so we can average
|
---|
| 1256 | // all the contributions from all the faces
|
---|
| 1257 | unsigned char* vBase = pDestBase + (destInc * vertInd[i]);
|
---|
| 1258 | destElem->baseVertexPointerToElement(vBase, &p3DTC);
|
---|
| 1259 | p3DTC[0] += tangent.x;
|
---|
| 1260 | p3DTC[1] += tangent.y;
|
---|
| 1261 | p3DTC[2] += tangent.z;
|
---|
| 1262 | }
|
---|
| 1263 | }
|
---|
| 1264 | // now loop through all vertices and normalize them
|
---|
| 1265 | size_t numVerts = usedVertexData->vertexCount ;
|
---|
| 1266 | for (n = 0; n < numVerts; ++n)
|
---|
| 1267 | {
|
---|
| 1268 | destElem->baseVertexPointerToElement(pDestBase, &p3DTC);
|
---|
| 1269 | // read the vertex
|
---|
| 1270 | Vector3 temp(p3DTC[0], p3DTC[1], p3DTC[2]);
|
---|
| 1271 | // normalize the vertex
|
---|
| 1272 | temp.normalise();
|
---|
| 1273 | // write it back
|
---|
| 1274 | p3DTC[0] = temp.x;
|
---|
| 1275 | p3DTC[1] = temp.y;
|
---|
| 1276 | p3DTC[2] = temp.z;
|
---|
| 1277 |
|
---|
| 1278 | pDestBase += destInc;
|
---|
| 1279 | }
|
---|
| 1280 | // unlock buffers
|
---|
| 1281 | srcBuf->unlock();
|
---|
| 1282 | if (!destBuf.isNull())
|
---|
| 1283 | {
|
---|
| 1284 | destBuf->unlock();
|
---|
| 1285 | }
|
---|
| 1286 | if (!posBuf.isNull())
|
---|
| 1287 | {
|
---|
| 1288 | posBuf->unlock();
|
---|
| 1289 | }
|
---|
| 1290 | buffIndex->unlock();
|
---|
| 1291 | }
|
---|
| 1292 |
|
---|
| 1293 | }
|
---|
| 1294 |
|
---|
| 1295 | //---------------------------------------------------------------------
|
---|
| 1296 | bool Mesh::suggestTangentVectorBuildParams(unsigned short& outSourceCoordSet,
|
---|
| 1297 | unsigned short& outDestCoordSet)
|
---|
| 1298 | {
|
---|
| 1299 | // Go through all the vertex data and locate source and dest (must agree)
|
---|
| 1300 | bool sharedGeometryDone = false;
|
---|
| 1301 | bool foundExisting = false;
|
---|
| 1302 | bool firstOne = true;
|
---|
| 1303 | SubMeshList::iterator i, iend;
|
---|
| 1304 | iend = mSubMeshList.end();
|
---|
| 1305 | for (i = mSubMeshList.begin(); i != iend; ++i)
|
---|
| 1306 | {
|
---|
| 1307 | SubMesh* sm = *i;
|
---|
| 1308 | VertexData* vertexData;
|
---|
| 1309 |
|
---|
| 1310 | if (sm->useSharedVertices)
|
---|
| 1311 | {
|
---|
| 1312 | if (sharedGeometryDone)
|
---|
| 1313 | continue;
|
---|
| 1314 | vertexData = sharedVertexData;
|
---|
| 1315 | sharedGeometryDone = true;
|
---|
| 1316 | }
|
---|
| 1317 | else
|
---|
| 1318 | {
|
---|
| 1319 | vertexData = sm->vertexData;
|
---|
| 1320 | }
|
---|
| 1321 |
|
---|
| 1322 | const VertexElement *sourceElem = 0;
|
---|
| 1323 | //unsigned short proposedDest = 0;
|
---|
| 1324 | unsigned short t = 0;
|
---|
| 1325 | for (t = 0; t < OGRE_MAX_TEXTURE_COORD_SETS; ++t)
|
---|
| 1326 | {
|
---|
| 1327 | const VertexElement* testElem =
|
---|
| 1328 | vertexData->vertexDeclaration->findElementBySemantic(
|
---|
| 1329 | VES_TEXTURE_COORDINATES, t);
|
---|
| 1330 | if (!testElem)
|
---|
| 1331 | break; // finish if we've run out, t will be the target
|
---|
| 1332 |
|
---|
| 1333 | if (!sourceElem)
|
---|
| 1334 | {
|
---|
| 1335 | // We're still looking for the source texture coords
|
---|
| 1336 | if (testElem->getType() == VET_FLOAT2)
|
---|
| 1337 | {
|
---|
| 1338 | // Ok, we found it
|
---|
| 1339 | sourceElem = testElem;
|
---|
| 1340 | }
|
---|
| 1341 | }
|
---|
| 1342 | else
|
---|
| 1343 | {
|
---|
| 1344 | // We're looking for the destination
|
---|
| 1345 | // Check to see if we've found a possible
|
---|
| 1346 | if (testElem->getType() == VET_FLOAT3)
|
---|
| 1347 | {
|
---|
| 1348 | // This is a 3D set, might be tangents
|
---|
| 1349 | foundExisting = true;
|
---|
| 1350 | }
|
---|
| 1351 |
|
---|
| 1352 | }
|
---|
| 1353 |
|
---|
| 1354 | }
|
---|
| 1355 |
|
---|
| 1356 | // After iterating, we should have a source and a possible destination (t)
|
---|
| 1357 | if (!sourceElem)
|
---|
| 1358 | {
|
---|
| 1359 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
| 1360 | "Cannot locate an appropriate 2D texture coordinate set for "
|
---|
| 1361 | "all the vertex data in this mesh to create tangents from. ",
|
---|
| 1362 | "Mesh::suggestTangentVectorBuildParams");
|
---|
| 1363 | }
|
---|
| 1364 | // Check that we agree with previous decisions, if this is not the
|
---|
| 1365 | // first one
|
---|
| 1366 | if (!firstOne)
|
---|
| 1367 | {
|
---|
| 1368 | if (sourceElem->getIndex() != outSourceCoordSet)
|
---|
| 1369 | {
|
---|
| 1370 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1371 | "Multiple sets of vertex data in this mesh disagree on "
|
---|
| 1372 | "the appropriate index to use for the source texture coordinates. "
|
---|
| 1373 | "This ambiguity must be rectified before tangents can be generated.",
|
---|
| 1374 | "Mesh::suggestTangentVectorBuildParams");
|
---|
| 1375 | }
|
---|
| 1376 | if (t != outDestCoordSet)
|
---|
| 1377 | {
|
---|
| 1378 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1379 | "Multiple sets of vertex data in this mesh disagree on "
|
---|
| 1380 | "the appropriate index to use for the target texture coordinates. "
|
---|
| 1381 | "This ambiguity must be rectified before tangents can be generated.",
|
---|
| 1382 | "Mesh::suggestTangentVectorBuildParams");
|
---|
| 1383 | }
|
---|
| 1384 | }
|
---|
| 1385 |
|
---|
| 1386 | // Otherwise, save this result
|
---|
| 1387 | outSourceCoordSet = sourceElem->getIndex();
|
---|
| 1388 | outDestCoordSet = t;
|
---|
| 1389 |
|
---|
| 1390 | firstOne = false;
|
---|
| 1391 |
|
---|
| 1392 | }
|
---|
| 1393 |
|
---|
| 1394 | return foundExisting;
|
---|
| 1395 |
|
---|
| 1396 | }
|
---|
| 1397 | //---------------------------------------------------------------------
|
---|
| 1398 | void Mesh::buildEdgeList(void)
|
---|
| 1399 | {
|
---|
| 1400 | if (mEdgeListsBuilt)
|
---|
| 1401 | return;
|
---|
| 1402 |
|
---|
| 1403 | // Loop over LODs
|
---|
| 1404 | for (unsigned int lodIndex = 0; lodIndex < mMeshLodUsageList.size(); ++lodIndex)
|
---|
| 1405 | {
|
---|
| 1406 | // use getLodLevel to enforce loading of manual mesh lods
|
---|
| 1407 | MeshLodUsage& usage = const_cast<MeshLodUsage&>(getLodLevel(lodIndex));
|
---|
| 1408 |
|
---|
| 1409 | if (mIsLodManual && lodIndex != 0)
|
---|
| 1410 | {
|
---|
| 1411 | // Delegate edge building to manual mesh
|
---|
| 1412 | // It should have already built it's own edge list while loading
|
---|
| 1413 | if (!usage.manualMesh.isNull())
|
---|
| 1414 | {
|
---|
| 1415 | usage.edgeData = usage.manualMesh->getEdgeList(0);
|
---|
| 1416 | }
|
---|
| 1417 | }
|
---|
| 1418 | else
|
---|
| 1419 | {
|
---|
| 1420 | // Build
|
---|
| 1421 | EdgeListBuilder eb;
|
---|
| 1422 | size_t vertexSetCount = 0;
|
---|
| 1423 |
|
---|
| 1424 | if (sharedVertexData)
|
---|
| 1425 | {
|
---|
| 1426 | eb.addVertexData(sharedVertexData);
|
---|
| 1427 | vertexSetCount++;
|
---|
| 1428 | }
|
---|
| 1429 |
|
---|
| 1430 | // Prepare the builder using the submesh information
|
---|
| 1431 | SubMeshList::iterator i, iend;
|
---|
| 1432 | iend = mSubMeshList.end();
|
---|
| 1433 | for (i = mSubMeshList.begin(); i != iend; ++i)
|
---|
| 1434 | {
|
---|
| 1435 | SubMesh* s = *i;
|
---|
| 1436 | if (s->useSharedVertices)
|
---|
| 1437 | {
|
---|
| 1438 | // Use shared vertex data, index as set 0
|
---|
| 1439 | if (lodIndex == 0)
|
---|
| 1440 | {
|
---|
| 1441 | eb.addIndexData(s->indexData, 0, s->operationType);
|
---|
| 1442 | }
|
---|
| 1443 | else
|
---|
| 1444 | {
|
---|
| 1445 | eb.addIndexData(s->mLodFaceList[lodIndex-1], 0,
|
---|
| 1446 | s->operationType);
|
---|
| 1447 | }
|
---|
| 1448 | }
|
---|
| 1449 | else
|
---|
| 1450 | {
|
---|
| 1451 | // own vertex data, add it and reference it directly
|
---|
| 1452 | eb.addVertexData(s->vertexData);
|
---|
| 1453 | if (lodIndex == 0)
|
---|
| 1454 | {
|
---|
| 1455 | // Base index data
|
---|
| 1456 | eb.addIndexData(s->indexData, vertexSetCount++,
|
---|
| 1457 | s->operationType);
|
---|
| 1458 | }
|
---|
| 1459 | else
|
---|
| 1460 | {
|
---|
| 1461 | // LOD index data
|
---|
| 1462 | eb.addIndexData(s->mLodFaceList[lodIndex-1],
|
---|
| 1463 | vertexSetCount++, s->operationType);
|
---|
| 1464 | }
|
---|
| 1465 |
|
---|
| 1466 | }
|
---|
| 1467 | }
|
---|
| 1468 |
|
---|
| 1469 | usage.edgeData = eb.build();
|
---|
| 1470 |
|
---|
| 1471 | #if OGRE_DEBUG_MODE
|
---|
| 1472 | // Override default log
|
---|
| 1473 | Log* log = LogManager::getSingleton().createLog(
|
---|
| 1474 | mName + "_lod" + StringConverter::toString(lodIndex) +
|
---|
| 1475 | "_prepshadow.log", false, false);
|
---|
| 1476 | usage.edgeData->log(log);
|
---|
| 1477 | #endif
|
---|
| 1478 |
|
---|
| 1479 | }
|
---|
| 1480 | }
|
---|
| 1481 | mEdgeListsBuilt = true;
|
---|
| 1482 | }
|
---|
| 1483 | //---------------------------------------------------------------------
|
---|
| 1484 | void Mesh::freeEdgeList(void)
|
---|
| 1485 | {
|
---|
| 1486 | if (!mEdgeListsBuilt)
|
---|
| 1487 | return;
|
---|
| 1488 |
|
---|
| 1489 | // Loop over LODs
|
---|
| 1490 | MeshLodUsageList::iterator i, iend;
|
---|
| 1491 | iend = mMeshLodUsageList.end();
|
---|
| 1492 | unsigned short index = 0;
|
---|
| 1493 | for (i = mMeshLodUsageList.begin(); i != iend; ++i, ++index)
|
---|
| 1494 | {
|
---|
| 1495 | MeshLodUsage& usage = *i;
|
---|
| 1496 |
|
---|
| 1497 | if (!mIsLodManual || index == 0)
|
---|
| 1498 | {
|
---|
| 1499 | // Only delete if we own this data
|
---|
| 1500 | // Manual LODs > 0 own their own
|
---|
| 1501 | delete usage.edgeData;
|
---|
| 1502 | }
|
---|
| 1503 | usage.edgeData = NULL;
|
---|
| 1504 | }
|
---|
| 1505 |
|
---|
| 1506 | mEdgeListsBuilt = false;
|
---|
| 1507 | }
|
---|
| 1508 | //---------------------------------------------------------------------
|
---|
| 1509 | void Mesh::prepareForShadowVolume(void)
|
---|
| 1510 | {
|
---|
| 1511 | if (mPreparedForShadowVolumes)
|
---|
| 1512 | return;
|
---|
| 1513 |
|
---|
| 1514 | if (sharedVertexData)
|
---|
| 1515 | {
|
---|
| 1516 | sharedVertexData->prepareForShadowVolume();
|
---|
| 1517 | }
|
---|
| 1518 | SubMeshList::iterator i, iend;
|
---|
| 1519 | iend = mSubMeshList.end();
|
---|
| 1520 | for (i = mSubMeshList.begin(); i != iend; ++i)
|
---|
| 1521 | {
|
---|
| 1522 | SubMesh* s = *i;
|
---|
| 1523 | if (!s->useSharedVertices)
|
---|
| 1524 | {
|
---|
| 1525 | s->vertexData->prepareForShadowVolume();
|
---|
| 1526 | }
|
---|
| 1527 | }
|
---|
| 1528 | mPreparedForShadowVolumes = true;
|
---|
| 1529 | }
|
---|
| 1530 | //---------------------------------------------------------------------
|
---|
| 1531 | EdgeData* Mesh::getEdgeList(unsigned int lodIndex)
|
---|
| 1532 | {
|
---|
| 1533 | // Build edge list on demand
|
---|
| 1534 | if (!mEdgeListsBuilt && mAutoBuildEdgeLists)
|
---|
| 1535 | {
|
---|
| 1536 | buildEdgeList();
|
---|
| 1537 | }
|
---|
| 1538 |
|
---|
| 1539 | return getLodLevel(lodIndex).edgeData;
|
---|
| 1540 | }
|
---|
| 1541 | //---------------------------------------------------------------------
|
---|
| 1542 | const EdgeData* Mesh::getEdgeList(unsigned int lodIndex) const
|
---|
| 1543 | {
|
---|
| 1544 | return getLodLevel(lodIndex).edgeData;
|
---|
| 1545 | }
|
---|
| 1546 | //---------------------------------------------------------------------
|
---|
| 1547 | void Mesh::softwareVertexBlend(const VertexData* sourceVertexData,
|
---|
| 1548 | const VertexData* targetVertexData, const Matrix4* pMatrices,
|
---|
| 1549 | const unsigned short* pIndexMap,
|
---|
| 1550 | bool blendNormals)
|
---|
| 1551 | {
|
---|
| 1552 | // Source vectors
|
---|
| 1553 | Vector3 sourceVec, sourceNorm;
|
---|
| 1554 | // Accumulation vectors
|
---|
| 1555 | Vector3 accumVecPos, accumVecNorm;
|
---|
| 1556 |
|
---|
| 1557 | float *pSrcPos, *pSrcNorm, *pDestPos, *pDestNorm, *pBlendWeight;
|
---|
| 1558 | unsigned char* pBlendIdx;
|
---|
| 1559 | bool srcPosNormShareBuffer = false;
|
---|
| 1560 | bool destPosNormShareBuffer = false;
|
---|
| 1561 | bool weightsIndexesShareBuffer = false;
|
---|
| 1562 |
|
---|
| 1563 |
|
---|
| 1564 | // Get elements for source
|
---|
| 1565 | const VertexElement* srcElemPos =
|
---|
| 1566 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
|
---|
| 1567 | const VertexElement* srcElemNorm =
|
---|
| 1568 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_NORMAL);
|
---|
| 1569 | const VertexElement* srcElemBlendIndices =
|
---|
| 1570 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_BLEND_INDICES);
|
---|
| 1571 | const VertexElement* srcElemBlendWeights =
|
---|
| 1572 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_BLEND_WEIGHTS);
|
---|
| 1573 | assert (srcElemPos && srcElemBlendIndices && srcElemBlendWeights &&
|
---|
| 1574 | "You must supply at least positions, blend indices and blend weights");
|
---|
| 1575 | // Get elements for target
|
---|
| 1576 | const VertexElement* destElemPos =
|
---|
| 1577 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
|
---|
| 1578 | const VertexElement* destElemNorm =
|
---|
| 1579 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_NORMAL);
|
---|
| 1580 |
|
---|
| 1581 | // Do we have normals and want to blend them?
|
---|
| 1582 | bool includeNormals = blendNormals && (srcElemNorm != NULL) && (destElemNorm != NULL);
|
---|
| 1583 |
|
---|
| 1584 |
|
---|
| 1585 | // Get buffers for source
|
---|
| 1586 | HardwareVertexBufferSharedPtr srcPosBuf, srcNormBuf, srcIdxBuf, srcWeightBuf;
|
---|
| 1587 | srcPosBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemPos->getSource());
|
---|
| 1588 | srcIdxBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemBlendIndices->getSource());
|
---|
| 1589 | srcWeightBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemBlendWeights->getSource());
|
---|
| 1590 | if (includeNormals)
|
---|
| 1591 | {
|
---|
| 1592 | srcNormBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemNorm->getSource());
|
---|
| 1593 | srcPosNormShareBuffer = (srcPosBuf.get() == srcNormBuf.get());
|
---|
| 1594 | }
|
---|
| 1595 | weightsIndexesShareBuffer = (srcIdxBuf.get() == srcWeightBuf.get());
|
---|
| 1596 | // Get buffers for target
|
---|
| 1597 | HardwareVertexBufferSharedPtr destPosBuf, destNormBuf;
|
---|
| 1598 | destPosBuf = targetVertexData->vertexBufferBinding->getBuffer(destElemPos->getSource());
|
---|
| 1599 | if (includeNormals)
|
---|
| 1600 | {
|
---|
| 1601 | destNormBuf = targetVertexData->vertexBufferBinding->getBuffer(destElemNorm->getSource());
|
---|
| 1602 | destPosNormShareBuffer = (destPosBuf.get() == destNormBuf.get());
|
---|
| 1603 | }
|
---|
| 1604 |
|
---|
| 1605 | // Lock source buffers for reading
|
---|
| 1606 | assert (srcElemPos->getOffset() == 0 &&
|
---|
| 1607 | "Positions must be first element in dedicated buffer!");
|
---|
| 1608 | pSrcPos = static_cast<float*>(
|
---|
| 1609 | srcPosBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1610 | if (includeNormals)
|
---|
| 1611 | {
|
---|
| 1612 | if (srcPosNormShareBuffer)
|
---|
| 1613 | {
|
---|
| 1614 | // Same buffer, must be packed directly after position
|
---|
| 1615 | assert (srcElemNorm->getOffset() == sizeof(float) * 3 &&
|
---|
| 1616 | "Normals must be packed directly after positions in buffer!");
|
---|
| 1617 | // pSrcNorm will not be used
|
---|
| 1618 | }
|
---|
| 1619 | else
|
---|
| 1620 | {
|
---|
| 1621 | // Different buffer
|
---|
| 1622 | assert (srcElemNorm->getOffset() == 0 &&
|
---|
| 1623 | "Normals must be first element in dedicated buffer!");
|
---|
| 1624 | pSrcNorm = static_cast<float*>(
|
---|
| 1625 | srcNormBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1626 | }
|
---|
| 1627 | }
|
---|
| 1628 |
|
---|
| 1629 | // Indices must be first in a buffer and be 4 bytes
|
---|
| 1630 | assert(srcElemBlendIndices->getOffset() == 0 &&
|
---|
| 1631 | srcElemBlendIndices->getType() == VET_UBYTE4 &&
|
---|
| 1632 | "Blend indices must be first in a buffer and be VET_UBYTE4");
|
---|
| 1633 | pBlendIdx = static_cast<unsigned char*>(
|
---|
| 1634 | srcIdxBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1635 | if (weightsIndexesShareBuffer)
|
---|
| 1636 | {
|
---|
| 1637 | // Weights must be packed directly after the indices
|
---|
| 1638 | assert(srcElemBlendWeights->getOffset() == sizeof(unsigned char)*4 &&
|
---|
| 1639 | "Blend weights must be directly after indices in the buffer");
|
---|
| 1640 | srcElemBlendWeights->baseVertexPointerToElement(pBlendIdx, &pBlendWeight);
|
---|
| 1641 | }
|
---|
| 1642 | else
|
---|
| 1643 | {
|
---|
| 1644 | // Weights must be at the start of the buffer
|
---|
| 1645 | assert(srcElemBlendWeights->getOffset() == 0 &&
|
---|
| 1646 | "Blend weights must be at the start of a dedicated buffer");
|
---|
| 1647 | // Lock buffer
|
---|
| 1648 | pBlendWeight = static_cast<float*>(
|
---|
| 1649 | srcWeightBuf->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1650 | }
|
---|
| 1651 | unsigned short numWeightsPerVertex =
|
---|
| 1652 | VertexElement::getTypeCount(srcElemBlendWeights->getType());
|
---|
| 1653 |
|
---|
| 1654 |
|
---|
| 1655 | // Lock destination buffers for writing
|
---|
| 1656 | assert (destElemPos->getOffset() == 0 &&
|
---|
| 1657 | "Positions must be first element in dedicated buffer!");
|
---|
| 1658 | pDestPos = static_cast<float*>(
|
---|
| 1659 | destPosBuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
| 1660 | if (includeNormals)
|
---|
| 1661 | {
|
---|
| 1662 | if (destPosNormShareBuffer)
|
---|
| 1663 | {
|
---|
| 1664 | // Same buffer, must be packed directly after position
|
---|
| 1665 | assert (destElemNorm->getOffset() == sizeof(float) * 3 &&
|
---|
| 1666 | "Normals must be packed directly after positions in buffer!");
|
---|
| 1667 | // Must be no other information in the buffer
|
---|
| 1668 | assert(destPosBuf->getVertexSize() ==
|
---|
| 1669 | destElemPos->getSize() + destElemNorm->getSize() &&
|
---|
| 1670 | "When software skinning, position & normal buffer must not include "
|
---|
| 1671 | "any other vertex elements!");
|
---|
| 1672 | // pDestNorm will not be used
|
---|
| 1673 | }
|
---|
| 1674 | else
|
---|
| 1675 | {
|
---|
| 1676 | // Different buffer
|
---|
| 1677 | assert (destElemNorm->getOffset() == 0 &&
|
---|
| 1678 | "Normals must be first element in dedicated buffer!");
|
---|
| 1679 | // Must be no other information in the buffer
|
---|
| 1680 | assert(destPosBuf->getVertexSize() ==
|
---|
| 1681 | destElemPos->getSize() &&
|
---|
| 1682 | "When software skinning, dedicated position buffer must not include "
|
---|
| 1683 | "any other vertex elements!");
|
---|
| 1684 | assert(destNormBuf->getVertexSize() ==
|
---|
| 1685 | destElemNorm->getSize() &&
|
---|
| 1686 | "When software skinning, dedicated normal buffer must not include "
|
---|
| 1687 | "any other vertex elements!");
|
---|
| 1688 | pDestNorm = static_cast<float*>(
|
---|
| 1689 | destNormBuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
| 1690 | }
|
---|
| 1691 | }
|
---|
| 1692 |
|
---|
| 1693 | // Loop per vertex
|
---|
| 1694 | for (size_t vertIdx = 0; vertIdx < targetVertexData->vertexCount; ++vertIdx)
|
---|
| 1695 | {
|
---|
| 1696 | // Load source vertex elements
|
---|
| 1697 | sourceVec.x = *pSrcPos++;
|
---|
| 1698 | sourceVec.y = *pSrcPos++;
|
---|
| 1699 | sourceVec.z = *pSrcPos++;
|
---|
| 1700 |
|
---|
| 1701 | if (includeNormals)
|
---|
| 1702 | {
|
---|
| 1703 | if (srcPosNormShareBuffer)
|
---|
| 1704 | {
|
---|
| 1705 | sourceNorm.x = *pSrcPos++;
|
---|
| 1706 | sourceNorm.y = *pSrcPos++;
|
---|
| 1707 | sourceNorm.z = *pSrcPos++;
|
---|
| 1708 | }
|
---|
| 1709 | else
|
---|
| 1710 | {
|
---|
| 1711 | sourceNorm.x = *pSrcNorm++;
|
---|
| 1712 | sourceNorm.y = *pSrcNorm++;
|
---|
| 1713 | sourceNorm.z = *pSrcNorm++;
|
---|
| 1714 | }
|
---|
| 1715 | }
|
---|
| 1716 | // Load accumulators
|
---|
| 1717 | accumVecPos = Vector3::ZERO;
|
---|
| 1718 | accumVecNorm = Vector3::ZERO;
|
---|
| 1719 |
|
---|
| 1720 | // Loop per blend weight
|
---|
| 1721 | for (unsigned short blendIdx = 0;
|
---|
| 1722 | blendIdx < numWeightsPerVertex; ++blendIdx)
|
---|
| 1723 | {
|
---|
| 1724 | // Blend by multiplying source by blend matrix and scaling by weight
|
---|
| 1725 | // Add to accumulator
|
---|
| 1726 | // NB weights must be normalised!!
|
---|
| 1727 | if (*pBlendWeight != 0.0)
|
---|
| 1728 | {
|
---|
| 1729 | // Blend position, use 3x4 matrix
|
---|
| 1730 | const Matrix4& mat = pMatrices[pIndexMap[*pBlendIdx]];
|
---|
| 1731 | accumVecPos.x +=
|
---|
| 1732 | (mat[0][0] * sourceVec.x +
|
---|
| 1733 | mat[0][1] * sourceVec.y +
|
---|
| 1734 | mat[0][2] * sourceVec.z +
|
---|
| 1735 | mat[0][3])
|
---|
| 1736 | * (*pBlendWeight);
|
---|
| 1737 | accumVecPos.y +=
|
---|
| 1738 | (mat[1][0] * sourceVec.x +
|
---|
| 1739 | mat[1][1] * sourceVec.y +
|
---|
| 1740 | mat[1][2] * sourceVec.z +
|
---|
| 1741 | mat[1][3])
|
---|
| 1742 | * (*pBlendWeight);
|
---|
| 1743 | accumVecPos.z +=
|
---|
| 1744 | (mat[2][0] * sourceVec.x +
|
---|
| 1745 | mat[2][1] * sourceVec.y +
|
---|
| 1746 | mat[2][2] * sourceVec.z +
|
---|
| 1747 | mat[2][3])
|
---|
| 1748 | * (*pBlendWeight);
|
---|
| 1749 | if (includeNormals)
|
---|
| 1750 | {
|
---|
| 1751 | // Blend normal
|
---|
| 1752 | // We should blend by inverse transpose here, but because we're assuming the 3x3
|
---|
| 1753 | // aspect of the matrix is orthogonal (no non-uniform scaling), the inverse transpose
|
---|
| 1754 | // is equal to the main 3x3 matrix
|
---|
| 1755 | // Note because it's a normal we just extract the rotational part, saves us renormalising here
|
---|
| 1756 | accumVecNorm.x +=
|
---|
| 1757 | (mat[0][0] * sourceNorm.x +
|
---|
| 1758 | mat[0][1] * sourceNorm.y +
|
---|
| 1759 | mat[0][2] * sourceNorm.z)
|
---|
| 1760 | * (*pBlendWeight);
|
---|
| 1761 | accumVecNorm.y +=
|
---|
| 1762 | (mat[1][0] * sourceNorm.x +
|
---|
| 1763 | mat[1][1] * sourceNorm.y +
|
---|
| 1764 | mat[1][2] * sourceNorm.z)
|
---|
| 1765 | * (*pBlendWeight);
|
---|
| 1766 | accumVecNorm.z +=
|
---|
| 1767 | (mat[2][0] * sourceNorm.x +
|
---|
| 1768 | mat[2][1] * sourceNorm.y +
|
---|
| 1769 | mat[2][2] * sourceNorm.z)
|
---|
| 1770 | * (*pBlendWeight);
|
---|
| 1771 | }
|
---|
| 1772 |
|
---|
| 1773 | }
|
---|
| 1774 | ++pBlendWeight;
|
---|
| 1775 | ++pBlendIdx;
|
---|
| 1776 | }
|
---|
| 1777 | // Finish off blend info pointers
|
---|
| 1778 | // Make sure we skip over 4 index elements no matter how many we used
|
---|
| 1779 | pBlendIdx += 4 - numWeightsPerVertex;
|
---|
| 1780 | if(weightsIndexesShareBuffer)
|
---|
| 1781 | {
|
---|
| 1782 | // Skip index over weights
|
---|
| 1783 | pBlendIdx += sizeof(float) * numWeightsPerVertex;
|
---|
| 1784 | // Re-base weights
|
---|
| 1785 | srcElemBlendWeights->baseVertexPointerToElement(pBlendIdx, &pBlendWeight);
|
---|
| 1786 | }
|
---|
| 1787 |
|
---|
| 1788 |
|
---|
| 1789 | // Stored blended vertex in hardware buffer
|
---|
| 1790 | *pDestPos++ = accumVecPos.x;
|
---|
| 1791 | *pDestPos++ = accumVecPos.y;
|
---|
| 1792 | *pDestPos++ = accumVecPos.z;
|
---|
| 1793 |
|
---|
| 1794 | // Stored blended vertex in temp buffer
|
---|
| 1795 | if (includeNormals)
|
---|
| 1796 | {
|
---|
| 1797 | // Normalise
|
---|
| 1798 | accumVecNorm.normalise();
|
---|
| 1799 | if (destPosNormShareBuffer)
|
---|
| 1800 | {
|
---|
| 1801 | // Pack into same buffer
|
---|
| 1802 | *pDestPos++ = accumVecNorm.x;
|
---|
| 1803 | *pDestPos++ = accumVecNorm.y;
|
---|
| 1804 | *pDestPos++ = accumVecNorm.z;
|
---|
| 1805 | }
|
---|
| 1806 | else
|
---|
| 1807 | {
|
---|
| 1808 | *pDestNorm++ = accumVecNorm.x;
|
---|
| 1809 | *pDestNorm++ = accumVecNorm.y;
|
---|
| 1810 | *pDestNorm++ = accumVecNorm.z;
|
---|
| 1811 | }
|
---|
| 1812 | }
|
---|
| 1813 | }
|
---|
| 1814 | // Unlock source buffers
|
---|
| 1815 | srcPosBuf->unlock();
|
---|
| 1816 | srcIdxBuf->unlock();
|
---|
| 1817 | if (!weightsIndexesShareBuffer)
|
---|
| 1818 | {
|
---|
| 1819 | srcWeightBuf->unlock();
|
---|
| 1820 | }
|
---|
| 1821 | if (includeNormals && !srcPosNormShareBuffer)
|
---|
| 1822 | {
|
---|
| 1823 | srcNormBuf->unlock();
|
---|
| 1824 | }
|
---|
| 1825 | // Unlock destination buffers
|
---|
| 1826 | destPosBuf->unlock();
|
---|
| 1827 | if (includeNormals && !destPosNormShareBuffer)
|
---|
| 1828 | {
|
---|
| 1829 | destNormBuf->unlock();
|
---|
| 1830 |
|
---|
| 1831 | }
|
---|
| 1832 |
|
---|
| 1833 |
|
---|
| 1834 |
|
---|
| 1835 | }
|
---|
| 1836 | //---------------------------------------------------------------------
|
---|
| 1837 | void Mesh::softwareVertexMorph(Real t,
|
---|
| 1838 | const HardwareVertexBufferSharedPtr& b1,
|
---|
| 1839 | const HardwareVertexBufferSharedPtr& b2,
|
---|
| 1840 | VertexData* targetVertexData)
|
---|
| 1841 | {
|
---|
| 1842 | float* pb1 = static_cast<float*>(b1->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1843 | float* pb2 = static_cast<float*>(b2->lock(HardwareBuffer::HBL_READ_ONLY));
|
---|
| 1844 |
|
---|
| 1845 | const VertexElement* posElem =
|
---|
| 1846 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
|
---|
| 1847 | assert(posElem);
|
---|
| 1848 | HardwareVertexBufferSharedPtr destBuf =
|
---|
| 1849 | targetVertexData->vertexBufferBinding->getBuffer(
|
---|
| 1850 | posElem->getSource());
|
---|
| 1851 | assert(posElem->getSize() == destBuf->getVertexSize() &&
|
---|
| 1852 | "Positions must be in a buffer on their own for morphing");
|
---|
| 1853 | float* pdst = static_cast<float*>(
|
---|
| 1854 | destBuf->lock(HardwareBuffer::HBL_DISCARD));
|
---|
| 1855 | for (size_t i = 0; i < targetVertexData->vertexCount; ++i)
|
---|
| 1856 | {
|
---|
| 1857 | // x
|
---|
| 1858 | *pdst++ = *pb1 + t*(*pb2 - *pb1) ;
|
---|
| 1859 | ++pb1; ++pb2;
|
---|
| 1860 | // y
|
---|
| 1861 | *pdst++ = *pb1 + t*(*pb2 - *pb1) ;
|
---|
| 1862 | ++pb1; ++pb2;
|
---|
| 1863 | // z
|
---|
| 1864 | *pdst++ = *pb1 + t*(*pb2 - *pb1) ;
|
---|
| 1865 | ++pb1; ++pb2;
|
---|
| 1866 | }
|
---|
| 1867 |
|
---|
| 1868 | destBuf->unlock();
|
---|
| 1869 | b1->unlock();
|
---|
| 1870 | b2->unlock();
|
---|
| 1871 | }
|
---|
| 1872 | //---------------------------------------------------------------------
|
---|
| 1873 | void Mesh::softwareVertexPoseBlend(Real weight,
|
---|
| 1874 | const std::map<size_t, Vector3>& vertexOffsetMap,
|
---|
| 1875 | VertexData* targetVertexData)
|
---|
| 1876 | {
|
---|
| 1877 | // Do nothing if no weight
|
---|
| 1878 | if (weight == 0.0f)
|
---|
| 1879 | return;
|
---|
| 1880 |
|
---|
| 1881 | const VertexElement* posElem =
|
---|
| 1882 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
|
---|
| 1883 | assert(posElem);
|
---|
| 1884 | HardwareVertexBufferSharedPtr destBuf =
|
---|
| 1885 | targetVertexData->vertexBufferBinding->getBuffer(
|
---|
| 1886 | posElem->getSource());
|
---|
| 1887 | assert(posElem->getSize() == destBuf->getVertexSize() &&
|
---|
| 1888 | "Positions must be in a buffer on their own for pose blending");
|
---|
| 1889 |
|
---|
| 1890 | // Have to lock in normal mode since this is incremental
|
---|
| 1891 | float* pBase = static_cast<float*>(
|
---|
| 1892 | destBuf->lock(HardwareBuffer::HBL_NORMAL));
|
---|
| 1893 |
|
---|
| 1894 | // Iterate over affected vertices
|
---|
| 1895 | for (std::map<size_t, Vector3>::const_iterator i = vertexOffsetMap.begin();
|
---|
| 1896 | i != vertexOffsetMap.end(); ++i)
|
---|
| 1897 | {
|
---|
| 1898 | // Adjust pointer
|
---|
| 1899 | float *pdst = pBase + i->first*3;
|
---|
| 1900 |
|
---|
| 1901 | *pdst = *pdst + (i->second.x * weight);
|
---|
| 1902 | ++pdst;
|
---|
| 1903 | *pdst = *pdst + (i->second.y * weight);
|
---|
| 1904 | ++pdst;
|
---|
| 1905 | *pdst = *pdst + (i->second.z * weight);
|
---|
| 1906 | ++pdst;
|
---|
| 1907 |
|
---|
| 1908 | }
|
---|
| 1909 |
|
---|
| 1910 | destBuf->unlock();
|
---|
| 1911 | }
|
---|
| 1912 | //---------------------------------------------------------------------
|
---|
| 1913 | size_t Mesh::calculateSize(void) const
|
---|
| 1914 | {
|
---|
| 1915 | // calculate GPU size
|
---|
| 1916 | size_t ret = 0;
|
---|
| 1917 | size_t i;
|
---|
| 1918 | // Shared vertices
|
---|
| 1919 | if (sharedVertexData)
|
---|
| 1920 | {
|
---|
| 1921 | for (i = 0;
|
---|
| 1922 | i < sharedVertexData->vertexBufferBinding->getBufferCount();
|
---|
| 1923 | ++i)
|
---|
| 1924 | {
|
---|
| 1925 | ret += sharedVertexData->vertexBufferBinding
|
---|
| 1926 | ->getBuffer(i)->getSizeInBytes();
|
---|
| 1927 | }
|
---|
| 1928 | }
|
---|
| 1929 |
|
---|
| 1930 | SubMeshList::const_iterator si;
|
---|
| 1931 | for (si = mSubMeshList.begin(); si != mSubMeshList.end(); ++si)
|
---|
| 1932 | {
|
---|
| 1933 | // Dedicated vertices
|
---|
| 1934 | if (!(*si)->useSharedVertices)
|
---|
| 1935 | {
|
---|
| 1936 | for (i = 0;
|
---|
| 1937 | i < (*si)->vertexData->vertexBufferBinding->getBufferCount();
|
---|
| 1938 | ++i)
|
---|
| 1939 | {
|
---|
| 1940 | ret += (*si)->vertexData->vertexBufferBinding
|
---|
| 1941 | ->getBuffer(i)->getSizeInBytes();
|
---|
| 1942 | }
|
---|
| 1943 | }
|
---|
| 1944 | // Index data
|
---|
| 1945 | ret += (*si)->indexData->indexBuffer->getSizeInBytes();
|
---|
| 1946 |
|
---|
| 1947 | }
|
---|
| 1948 | return ret;
|
---|
| 1949 | }
|
---|
| 1950 | //-----------------------------------------------------------------------------
|
---|
| 1951 | bool Mesh::hasVertexAnimation(void) const
|
---|
| 1952 | {
|
---|
| 1953 | return !mAnimationsList.empty();
|
---|
| 1954 | }
|
---|
| 1955 | //---------------------------------------------------------------------
|
---|
| 1956 | VertexAnimationType Mesh::getSharedVertexDataAnimationType(void) const
|
---|
| 1957 | {
|
---|
| 1958 | if (mAnimationTypesDirty)
|
---|
| 1959 | {
|
---|
| 1960 | _determineAnimationTypes();
|
---|
| 1961 | }
|
---|
| 1962 |
|
---|
| 1963 | return mSharedVertexDataAnimationType;
|
---|
| 1964 | }
|
---|
| 1965 | //---------------------------------------------------------------------
|
---|
| 1966 | void Mesh::_determineAnimationTypes(void) const
|
---|
| 1967 | {
|
---|
| 1968 | // Don't check flag here; since detail checks on track changes are not
|
---|
| 1969 | // done, allow caller to force if they need to
|
---|
| 1970 |
|
---|
| 1971 | // Initialise all types to nothing
|
---|
| 1972 | mSharedVertexDataAnimationType = VAT_NONE;
|
---|
| 1973 | for (SubMeshList::const_iterator i = mSubMeshList.begin();
|
---|
| 1974 | i != mSubMeshList.end(); ++i)
|
---|
| 1975 | {
|
---|
| 1976 | (*i)->mVertexAnimationType = VAT_NONE;
|
---|
| 1977 | }
|
---|
| 1978 |
|
---|
| 1979 | // Scan all animations and determine the type of animation tracks
|
---|
| 1980 | // relating to each vertex data
|
---|
| 1981 | for(AnimationList::const_iterator ai = mAnimationsList.begin();
|
---|
| 1982 | ai != mAnimationsList.end(); ++ai)
|
---|
| 1983 | {
|
---|
| 1984 | Animation* anim = ai->second;
|
---|
| 1985 | Animation::VertexTrackIterator vit = anim->getVertexTrackIterator();
|
---|
| 1986 | while (vit.hasMoreElements())
|
---|
| 1987 | {
|
---|
| 1988 | VertexAnimationTrack* track = vit.getNext();
|
---|
| 1989 | ushort handle = track->getHandle();
|
---|
| 1990 | if (handle == 0)
|
---|
| 1991 | {
|
---|
| 1992 | // shared data
|
---|
| 1993 | if (mSharedVertexDataAnimationType != VAT_NONE &&
|
---|
| 1994 | mSharedVertexDataAnimationType != track->getAnimationType())
|
---|
| 1995 | {
|
---|
| 1996 | // Mixing of morph and pose animation on same data is not allowed
|
---|
| 1997 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 1998 | "Animation tracks for shared vertex data on mesh "
|
---|
| 1999 | + mName + " try to mix vertex animation types, which is "
|
---|
| 2000 | "not allowed.",
|
---|
| 2001 | "Mesh::_determineAnimationTypes");
|
---|
| 2002 | }
|
---|
| 2003 | mSharedVertexDataAnimationType = track->getAnimationType();
|
---|
| 2004 | }
|
---|
| 2005 | else
|
---|
| 2006 | {
|
---|
| 2007 | // submesh index (-1)
|
---|
| 2008 | SubMesh* sm = getSubMesh(handle-1);
|
---|
| 2009 | if (sm->mVertexAnimationType != VAT_NONE &&
|
---|
| 2010 | sm->mVertexAnimationType != track->getAnimationType())
|
---|
| 2011 | {
|
---|
| 2012 | // Mixing of morph and pose animation on same data is not allowed
|
---|
| 2013 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 2014 | "Animation tracks for dedicated vertex data "
|
---|
| 2015 | + StringConverter::toString(handle-1) + " on mesh "
|
---|
| 2016 | + mName + " try to mix vertex animation types, which is "
|
---|
| 2017 | "not allowed.",
|
---|
| 2018 | "Mesh::_determineAnimationTypes");
|
---|
| 2019 | }
|
---|
| 2020 | sm->mVertexAnimationType = track->getAnimationType();
|
---|
| 2021 |
|
---|
| 2022 | }
|
---|
| 2023 | }
|
---|
| 2024 | }
|
---|
| 2025 |
|
---|
| 2026 | mAnimationTypesDirty = false;
|
---|
| 2027 | }
|
---|
| 2028 | //---------------------------------------------------------------------
|
---|
| 2029 | Animation* Mesh::createAnimation(const String& name, Real length)
|
---|
| 2030 | {
|
---|
| 2031 | // Check name not used
|
---|
| 2032 | if (mAnimationsList.find(name) != mAnimationsList.end())
|
---|
| 2033 | {
|
---|
| 2034 | OGRE_EXCEPT(
|
---|
| 2035 | Exception::ERR_DUPLICATE_ITEM,
|
---|
| 2036 | "An animation with the name " + name + " already exists",
|
---|
| 2037 | "Mesh::createAnimation");
|
---|
| 2038 | }
|
---|
| 2039 |
|
---|
| 2040 | Animation* ret = new Animation(name, length);
|
---|
| 2041 |
|
---|
| 2042 | // Add to list
|
---|
| 2043 | mAnimationsList[name] = ret;
|
---|
| 2044 |
|
---|
| 2045 | // Mark animation types dirty
|
---|
| 2046 | mAnimationTypesDirty = true;
|
---|
| 2047 |
|
---|
| 2048 | return ret;
|
---|
| 2049 |
|
---|
| 2050 | }
|
---|
| 2051 | //---------------------------------------------------------------------
|
---|
| 2052 | Animation* Mesh::getAnimation(const String& name) const
|
---|
| 2053 | {
|
---|
| 2054 | Animation* ret = _getAnimationImpl(name);
|
---|
| 2055 | if (!ret)
|
---|
| 2056 | {
|
---|
| 2057 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
| 2058 | "No animation entry found named " + name,
|
---|
| 2059 | "Mesh::getAnimation");
|
---|
| 2060 | }
|
---|
| 2061 |
|
---|
| 2062 | return ret;
|
---|
| 2063 | }
|
---|
| 2064 | //---------------------------------------------------------------------
|
---|
| 2065 | Animation* Mesh::getAnimation(unsigned short index) const
|
---|
| 2066 | {
|
---|
| 2067 | // If you hit this assert, then the index is out of bounds.
|
---|
| 2068 | assert( index < mAnimationsList.size() );
|
---|
| 2069 |
|
---|
| 2070 | AnimationList::const_iterator i = mAnimationsList.begin();
|
---|
| 2071 |
|
---|
| 2072 | std::advance(i, index);
|
---|
| 2073 |
|
---|
| 2074 | return i->second;
|
---|
| 2075 |
|
---|
| 2076 | }
|
---|
| 2077 | //---------------------------------------------------------------------
|
---|
| 2078 | unsigned short Mesh::getNumAnimations(void) const
|
---|
| 2079 | {
|
---|
| 2080 | return mAnimationsList.size();
|
---|
| 2081 | }
|
---|
| 2082 | //---------------------------------------------------------------------
|
---|
| 2083 | bool Mesh::hasAnimation(const String& name)
|
---|
| 2084 | {
|
---|
| 2085 | return _getAnimationImpl(name) != 0;
|
---|
| 2086 | }
|
---|
| 2087 | //---------------------------------------------------------------------
|
---|
| 2088 | Animation* Mesh::_getAnimationImpl(const String& name) const
|
---|
| 2089 | {
|
---|
| 2090 | Animation* ret = 0;
|
---|
| 2091 | AnimationList::const_iterator i = mAnimationsList.find(name);
|
---|
| 2092 |
|
---|
| 2093 | if (i != mAnimationsList.end())
|
---|
| 2094 | {
|
---|
| 2095 | ret = i->second;
|
---|
| 2096 | }
|
---|
| 2097 |
|
---|
| 2098 | return ret;
|
---|
| 2099 |
|
---|
| 2100 | }
|
---|
| 2101 | //---------------------------------------------------------------------
|
---|
| 2102 | void Mesh::removeAnimation(const String& name)
|
---|
| 2103 | {
|
---|
| 2104 | AnimationList::iterator i = mAnimationsList.find(name);
|
---|
| 2105 |
|
---|
| 2106 | if (i == mAnimationsList.end())
|
---|
| 2107 | {
|
---|
| 2108 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "No animation entry found named " + name,
|
---|
| 2109 | "Mesh::getAnimation");
|
---|
| 2110 | }
|
---|
| 2111 |
|
---|
| 2112 | delete i->second;
|
---|
| 2113 |
|
---|
| 2114 | mAnimationsList.erase(i);
|
---|
| 2115 |
|
---|
| 2116 | mAnimationTypesDirty = true;
|
---|
| 2117 | }
|
---|
| 2118 | //---------------------------------------------------------------------
|
---|
| 2119 | void Mesh::removeAllAnimations(void)
|
---|
| 2120 | {
|
---|
| 2121 | AnimationList::iterator i = mAnimationsList.begin();
|
---|
| 2122 | for (; i != mAnimationsList.end(); ++i)
|
---|
| 2123 | {
|
---|
| 2124 | delete i->second;
|
---|
| 2125 | }
|
---|
| 2126 | mAnimationsList.clear();
|
---|
| 2127 | mAnimationTypesDirty = true;
|
---|
| 2128 | }
|
---|
| 2129 | //---------------------------------------------------------------------
|
---|
| 2130 | VertexData* Mesh::getVertexDataByTrackHandle(unsigned short handle)
|
---|
| 2131 | {
|
---|
| 2132 | if (handle == 0)
|
---|
| 2133 | {
|
---|
| 2134 | return sharedVertexData;
|
---|
| 2135 | }
|
---|
| 2136 | else
|
---|
| 2137 | {
|
---|
| 2138 | return getSubMesh(handle-1)->vertexData;
|
---|
| 2139 | }
|
---|
| 2140 | }
|
---|
| 2141 | //---------------------------------------------------------------------
|
---|
| 2142 | Pose* Mesh::createPose(ushort target, const String& name)
|
---|
| 2143 | {
|
---|
| 2144 | Pose* retPose = new Pose(target, name);
|
---|
| 2145 | mPoseList.push_back(retPose);
|
---|
| 2146 | return retPose;
|
---|
| 2147 | }
|
---|
| 2148 | //---------------------------------------------------------------------
|
---|
| 2149 | Pose* Mesh::getPose(ushort index)
|
---|
| 2150 | {
|
---|
| 2151 | if (index >= getPoseCount())
|
---|
| 2152 | {
|
---|
| 2153 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 2154 | "Index out of bounds",
|
---|
| 2155 | "Mesh::getPose");
|
---|
| 2156 | }
|
---|
| 2157 |
|
---|
| 2158 | return mPoseList[index];
|
---|
| 2159 |
|
---|
| 2160 | }
|
---|
| 2161 | //---------------------------------------------------------------------
|
---|
| 2162 | Pose* Mesh::getPose(const String& name)
|
---|
| 2163 | {
|
---|
| 2164 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i)
|
---|
| 2165 | {
|
---|
| 2166 | if ((*i)->getName() == name)
|
---|
| 2167 | return *i;
|
---|
| 2168 | }
|
---|
| 2169 | StringUtil::StrStreamType str;
|
---|
| 2170 | str << "No pose called " << name << " found in Mesh " << mName;
|
---|
| 2171 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
| 2172 | str.str(),
|
---|
| 2173 | "Mesh::getPose");
|
---|
| 2174 |
|
---|
| 2175 | }
|
---|
| 2176 | //---------------------------------------------------------------------
|
---|
| 2177 | void Mesh::removePose(ushort index)
|
---|
| 2178 | {
|
---|
| 2179 | if (index >= getPoseCount())
|
---|
| 2180 | {
|
---|
| 2181 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
|
---|
| 2182 | "Index out of bounds",
|
---|
| 2183 | "Mesh::removePose");
|
---|
| 2184 | }
|
---|
| 2185 | PoseList::iterator i = mPoseList.begin();
|
---|
| 2186 | std::advance(i, index);
|
---|
| 2187 | delete *i;
|
---|
| 2188 | mPoseList.erase(i);
|
---|
| 2189 |
|
---|
| 2190 | }
|
---|
| 2191 | //---------------------------------------------------------------------
|
---|
| 2192 | void Mesh::removePose(const String& name)
|
---|
| 2193 | {
|
---|
| 2194 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i)
|
---|
| 2195 | {
|
---|
| 2196 | if ((*i)->getName() == name)
|
---|
| 2197 | {
|
---|
| 2198 | delete *i;
|
---|
| 2199 | mPoseList.erase(i);
|
---|
| 2200 | return;
|
---|
| 2201 | }
|
---|
| 2202 | }
|
---|
| 2203 | StringUtil::StrStreamType str;
|
---|
| 2204 | str << "No pose called " << name << " found in Mesh " << mName;
|
---|
| 2205 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
|
---|
| 2206 | str.str(),
|
---|
| 2207 | "Mesh::removePose");
|
---|
| 2208 | }
|
---|
| 2209 | //---------------------------------------------------------------------
|
---|
| 2210 | void Mesh::removeAllPoses(void)
|
---|
| 2211 | {
|
---|
| 2212 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i)
|
---|
| 2213 | {
|
---|
| 2214 | delete *i;
|
---|
| 2215 | }
|
---|
| 2216 | mPoseList.clear();
|
---|
| 2217 | }
|
---|
| 2218 | //---------------------------------------------------------------------
|
---|
| 2219 | Mesh::PoseIterator Mesh::getPoseIterator(void)
|
---|
| 2220 | {
|
---|
| 2221 | return PoseIterator(mPoseList.begin(), mPoseList.end());
|
---|
| 2222 | }
|
---|
| 2223 | //---------------------------------------------------------------------
|
---|
| 2224 | Mesh::ConstPoseIterator Mesh::getPoseIterator(void) const
|
---|
| 2225 | {
|
---|
| 2226 | return ConstPoseIterator(mPoseList.begin(), mPoseList.end());
|
---|
| 2227 | }
|
---|
| 2228 | //-----------------------------------------------------------------------------
|
---|
| 2229 | const PoseList& Mesh::getPoseList(void) const
|
---|
| 2230 | {
|
---|
| 2231 | return mPoseList;
|
---|
| 2232 | }
|
---|
| 2233 | //---------------------------------------------------------------------
|
---|
| 2234 | void Mesh::updateMaterialForAllSubMeshes(void)
|
---|
| 2235 | {
|
---|
| 2236 | // iterate through each sub mesh and request the submesh to update its material
|
---|
| 2237 | std::vector<SubMesh*>::iterator subi;
|
---|
| 2238 | for (subi = mSubMeshList.begin(); subi != mSubMeshList.end(); ++subi)
|
---|
| 2239 | {
|
---|
| 2240 | (*subi)->updateMaterialUsingTextureAliases();
|
---|
| 2241 | }
|
---|
| 2242 |
|
---|
| 2243 | }
|
---|
| 2244 | //---------------------------------------------------------------------
|
---|
| 2245 |
|
---|
| 2246 | }
|
---|
| 2247 |
|
---|