[1] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | #include "OgreStableHeaders.h" |
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| 30 | #include "OgreMesh.h" |
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| 31 | |
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| 32 | #include "OgreSubMesh.h" |
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| 33 | #include "OgreLogManager.h" |
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| 34 | #include "OgreMeshSerializer.h" |
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| 35 | #include "OgreSkeletonManager.h" |
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| 36 | #include "OgreHardwareBufferManager.h" |
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| 37 | #include "OgreStringConverter.h" |
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| 38 | #include "OgreException.h" |
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| 39 | #include "OgreMeshManager.h" |
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| 40 | #include "OgreEdgeListBuilder.h" |
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| 41 | #include "OgreAnimation.h" |
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| 42 | #include "OgreAnimationState.h" |
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| 43 | #include "OgreAnimationTrack.h" |
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| 44 | #include "OgreOptimisedUtil.h" |
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| 45 | |
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| 46 | namespace Ogre { |
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| 47 | //----------------------------------------------------------------------- |
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| 48 | MeshPtr::MeshPtr(const ResourcePtr& r) : SharedPtr<Mesh>() |
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| 49 | { |
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| 50 | // lock & copy other mutex pointer |
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| 51 | OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) |
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| 52 | { |
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| 53 | OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) |
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| 54 | OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) |
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| 55 | pRep = static_cast<Mesh*>(r.getPointer()); |
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| 56 | pUseCount = r.useCountPointer(); |
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| 57 | if (pUseCount) |
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| 58 | { |
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| 59 | ++(*pUseCount); |
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| 60 | } |
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| 61 | } |
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| 62 | } |
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| 63 | //----------------------------------------------------------------------- |
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| 64 | MeshPtr& MeshPtr::operator=(const ResourcePtr& r) |
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| 65 | { |
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| 66 | if (pRep == static_cast<Mesh*>(r.getPointer())) |
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| 67 | return *this; |
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| 68 | release(); |
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| 69 | // lock & copy other mutex pointer |
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| 70 | OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) |
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| 71 | { |
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| 72 | OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) |
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| 73 | OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) |
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| 74 | pRep = static_cast<Mesh*>(r.getPointer()); |
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| 75 | pUseCount = r.useCountPointer(); |
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| 76 | if (pUseCount) |
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| 77 | { |
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| 78 | ++(*pUseCount); |
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| 79 | } |
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| 80 | } |
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| 81 | else |
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| 82 | { |
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| 83 | // RHS must be a null pointer |
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| 84 | assert(r.isNull() && "RHS must be null if it has no mutex!"); |
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| 85 | setNull(); |
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| 86 | } |
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| 87 | return *this; |
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| 88 | } |
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| 89 | //----------------------------------------------------------------------- |
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| 90 | void MeshPtr::destroy(void) |
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| 91 | { |
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| 92 | // We're only overriding so that we can destroy after full definition of Mesh |
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| 93 | SharedPtr<Mesh>::destroy(); |
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| 94 | } |
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| 95 | //----------------------------------------------------------------------- |
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| 96 | //----------------------------------------------------------------------- |
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| 97 | //----------------------------------------------------------------------- |
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| 98 | Mesh::Mesh(ResourceManager* creator, const String& name, ResourceHandle handle, |
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| 99 | const String& group, bool isManual, ManualResourceLoader* loader) |
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| 100 | : Resource(creator, name, handle, group, isManual, loader), |
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| 101 | mBoundRadius(0.0f), |
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| 102 | mBoneAssignmentsOutOfDate(false), |
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| 103 | mIsLodManual(false), |
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| 104 | mNumLods(1), |
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| 105 | mVertexBufferUsage(HardwareBuffer::HBU_STATIC_WRITE_ONLY), |
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| 106 | mIndexBufferUsage(HardwareBuffer::HBU_STATIC_WRITE_ONLY), |
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| 107 | mVertexBufferShadowBuffer(true), |
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| 108 | mIndexBufferShadowBuffer(true), |
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| 109 | mPreparedForShadowVolumes(false), |
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| 110 | mEdgeListsBuilt(false), |
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| 111 | mAutoBuildEdgeLists(true), // will be set to false by serializers of 1.30 and above |
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| 112 | mSharedVertexDataAnimationType(VAT_NONE), |
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| 113 | mAnimationTypesDirty(true), |
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| 114 | sharedVertexData(0) |
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| 115 | { |
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| 116 | |
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| 117 | // Init first (manual) lod |
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| 118 | MeshLodUsage lod; |
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| 119 | lod.fromDepthSquared = 0.0f; |
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| 120 | lod.edgeData = NULL; |
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| 121 | lod.manualMesh.setNull(); |
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| 122 | mMeshLodUsageList.push_back(lod); |
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| 123 | |
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| 124 | } |
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| 125 | //----------------------------------------------------------------------- |
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| 126 | Mesh::~Mesh() |
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| 127 | { |
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| 128 | // have to call this here reather than in Resource destructor |
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| 129 | // since calling virtual methods in base destructors causes crash |
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| 130 | unload(); |
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| 131 | } |
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| 132 | //----------------------------------------------------------------------- |
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| 133 | SubMesh* Mesh::createSubMesh() |
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| 134 | { |
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| 135 | SubMesh* sub = new SubMesh(); |
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| 136 | sub->parent = this; |
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| 137 | |
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| 138 | mSubMeshList.push_back(sub); |
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| 139 | |
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| 140 | return sub; |
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| 141 | } |
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| 142 | //----------------------------------------------------------------------- |
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| 143 | SubMesh* Mesh::createSubMesh(const String& name) |
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| 144 | { |
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| 145 | SubMesh *sub = createSubMesh(); |
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| 146 | nameSubMesh(name, (ushort)mSubMeshList.size()-1); |
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| 147 | return sub ; |
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| 148 | } |
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| 149 | //----------------------------------------------------------------------- |
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| 150 | unsigned short Mesh::getNumSubMeshes() const |
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| 151 | { |
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| 152 | return static_cast< unsigned short >( mSubMeshList.size() ); |
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| 153 | } |
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| 154 | |
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| 155 | //--------------------------------------------------------------------- |
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| 156 | void Mesh::nameSubMesh(const String& name, ushort index) |
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| 157 | { |
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| 158 | mSubMeshNameMap[name] = index ; |
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| 159 | } |
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| 160 | |
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| 161 | //----------------------------------------------------------------------- |
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| 162 | SubMesh* Mesh::getSubMesh(const String& name) const |
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| 163 | { |
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| 164 | ushort index = _getSubMeshIndex(name); |
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| 165 | return getSubMesh(index); |
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| 166 | } |
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| 167 | //----------------------------------------------------------------------- |
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| 168 | SubMesh* Mesh::getSubMesh(unsigned short index) const |
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| 169 | { |
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| 170 | if (index >= mSubMeshList.size()) |
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| 171 | { |
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| 172 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
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| 173 | "Index out of bounds.", |
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| 174 | "Mesh::getSubMesh"); |
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| 175 | } |
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| 176 | |
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| 177 | return mSubMeshList[index]; |
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| 178 | } |
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| 179 | //----------------------------------------------------------------------- |
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| 180 | void Mesh::postLoadImpl(void) |
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| 181 | { |
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| 182 | // Prepare for shadow volumes? |
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| 183 | if (MeshManager::getSingleton().getPrepareAllMeshesForShadowVolumes()) |
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| 184 | { |
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| 185 | if (mEdgeListsBuilt || mAutoBuildEdgeLists) |
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| 186 | { |
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| 187 | prepareForShadowVolume(); |
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| 188 | } |
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| 189 | |
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| 190 | if (!mEdgeListsBuilt && mAutoBuildEdgeLists) |
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| 191 | { |
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| 192 | buildEdgeList(); |
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| 193 | } |
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| 194 | } |
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| 195 | } |
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| 196 | //----------------------------------------------------------------------- |
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| 197 | void Mesh::loadImpl() |
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| 198 | { |
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| 199 | // Load from specified 'name' |
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| 200 | MeshSerializer serializer; |
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| 201 | LogManager::getSingleton().logMessage("Mesh: Loading " + mName + "."); |
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| 202 | |
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| 203 | DataStreamPtr stream = |
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| 204 | ResourceGroupManager::getSingleton().openResource( |
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| 205 | mName, mGroup, true, this); |
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| 206 | serializer.importMesh(stream, this); |
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| 207 | |
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| 208 | /* check all submeshes to see if their materials should be |
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| 209 | updated. If the submesh has texture aliases that match those |
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| 210 | found in the current material then a new material is created using |
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| 211 | the textures from the submesh. |
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| 212 | */ |
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| 213 | updateMaterialForAllSubMeshes(); |
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| 214 | } |
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| 215 | |
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| 216 | //----------------------------------------------------------------------- |
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| 217 | void Mesh::unloadImpl() |
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| 218 | { |
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| 219 | // Teardown submeshes |
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| 220 | for (SubMeshList::iterator i = mSubMeshList.begin(); |
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| 221 | i != mSubMeshList.end(); ++i) |
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| 222 | { |
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| 223 | delete *i; |
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| 224 | } |
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| 225 | if (sharedVertexData) |
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| 226 | { |
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| 227 | delete sharedVertexData; |
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| 228 | sharedVertexData = NULL; |
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| 229 | } |
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| 230 | // Clear SubMesh lists |
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| 231 | mSubMeshList.clear(); |
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| 232 | mSubMeshNameMap.clear(); |
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| 233 | // Removes all LOD data |
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| 234 | removeLodLevels(); |
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| 235 | mPreparedForShadowVolumes = false; |
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| 236 | |
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| 237 | // remove all poses & animations |
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| 238 | removeAllAnimations(); |
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| 239 | removeAllPoses(); |
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| 240 | |
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| 241 | // Clear bone assignments |
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| 242 | mBoneAssignments.clear(); |
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| 243 | mBoneAssignmentsOutOfDate = false; |
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| 244 | |
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| 245 | // Removes reference to skeleton |
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| 246 | setSkeletonName(StringUtil::BLANK); |
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| 247 | } |
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| 248 | |
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| 249 | //----------------------------------------------------------------------- |
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| 250 | MeshPtr Mesh::clone(const String& newName, const String& newGroup) |
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| 251 | { |
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| 252 | // This is a bit like a copy constructor, but with the additional aspect of registering the clone with |
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| 253 | // the MeshManager |
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| 254 | |
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| 255 | // New Mesh is assumed to be manually defined rather than loaded since you're cloning it for a reason |
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| 256 | String theGroup; |
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| 257 | if (newGroup == StringUtil::BLANK) |
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| 258 | { |
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| 259 | theGroup = this->getGroup(); |
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| 260 | } |
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| 261 | else |
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| 262 | { |
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| 263 | theGroup = newGroup; |
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| 264 | } |
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| 265 | MeshPtr newMesh = MeshManager::getSingleton().createManual(newName, theGroup); |
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| 266 | |
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| 267 | // Copy submeshes first |
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| 268 | std::vector<SubMesh*>::iterator subi; |
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| 269 | SubMesh* newSub; |
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| 270 | for (subi = mSubMeshList.begin(); subi != mSubMeshList.end(); ++subi) |
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| 271 | { |
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| 272 | newSub = newMesh->createSubMesh(); |
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| 273 | newSub->mMaterialName = (*subi)->mMaterialName; |
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| 274 | newSub->mMatInitialised = (*subi)->mMatInitialised; |
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| 275 | newSub->operationType = (*subi)->operationType; |
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| 276 | newSub->useSharedVertices = (*subi)->useSharedVertices; |
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| 277 | newSub->extremityPoints = (*subi)->extremityPoints; |
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| 278 | |
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| 279 | if (!(*subi)->useSharedVertices) |
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| 280 | { |
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| 281 | // Copy unique vertex data |
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| 282 | newSub->vertexData = (*subi)->vertexData->clone(); |
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| 283 | // Copy unique index map |
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| 284 | newSub->blendIndexToBoneIndexMap = (*subi)->blendIndexToBoneIndexMap; |
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| 285 | } |
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| 286 | |
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| 287 | // Copy index data |
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| 288 | delete newSub->indexData; |
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| 289 | newSub->indexData = (*subi)->indexData->clone(); |
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| 290 | // Copy any bone assignments |
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| 291 | newSub->mBoneAssignments = (*subi)->mBoneAssignments; |
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| 292 | newSub->mBoneAssignmentsOutOfDate = (*subi)->mBoneAssignmentsOutOfDate; |
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| 293 | // Copy texture aliases |
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| 294 | newSub->mTextureAliases = (*subi)->mTextureAliases; |
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| 295 | |
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| 296 | // Copy lod face lists |
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| 297 | newSub->mLodFaceList.reserve((*subi)->mLodFaceList.size()); |
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| 298 | ProgressiveMesh::LODFaceList::const_iterator facei; |
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| 299 | for (facei = (*subi)->mLodFaceList.begin(); facei != (*subi)->mLodFaceList.end(); ++facei) { |
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| 300 | IndexData* newIndexData = (*facei)->clone(); |
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| 301 | newSub->mLodFaceList.push_back(newIndexData); |
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| 302 | } |
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| 303 | } |
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| 304 | |
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| 305 | // Copy shared geometry and index map, if any |
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| 306 | if (sharedVertexData) |
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| 307 | { |
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| 308 | newMesh->sharedVertexData = sharedVertexData->clone(); |
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| 309 | newMesh->sharedBlendIndexToBoneIndexMap = sharedBlendIndexToBoneIndexMap; |
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| 310 | } |
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| 311 | |
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| 312 | // Copy submesh names |
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| 313 | newMesh->mSubMeshNameMap = mSubMeshNameMap ; |
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| 314 | // Copy any bone assignments |
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| 315 | newMesh->mBoneAssignments = mBoneAssignments; |
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| 316 | newMesh->mBoneAssignmentsOutOfDate = mBoneAssignmentsOutOfDate; |
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| 317 | // Copy bounds |
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| 318 | newMesh->mAABB = mAABB; |
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| 319 | newMesh->mBoundRadius = mBoundRadius; |
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| 320 | |
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| 321 | newMesh->mIsLodManual = mIsLodManual; |
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| 322 | newMesh->mNumLods = mNumLods; |
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| 323 | newMesh->mMeshLodUsageList = mMeshLodUsageList; |
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| 324 | // Unreference edge lists, otherwise we'll delete the same lot twice, build on demand |
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| 325 | MeshLodUsageList::iterator lodi; |
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| 326 | for (lodi = newMesh->mMeshLodUsageList.begin(); lodi != newMesh->mMeshLodUsageList.end(); ++lodi) { |
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| 327 | MeshLodUsage& lod = *lodi; |
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| 328 | lod.edgeData = NULL; |
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| 329 | // TODO: Copy manual lod meshes |
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| 330 | } |
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| 331 | |
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| 332 | newMesh->mVertexBufferUsage = mVertexBufferUsage; |
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| 333 | newMesh->mIndexBufferUsage = mIndexBufferUsage; |
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| 334 | newMesh->mVertexBufferShadowBuffer = mVertexBufferShadowBuffer; |
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| 335 | newMesh->mIndexBufferShadowBuffer = mIndexBufferShadowBuffer; |
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| 336 | |
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| 337 | newMesh->mSkeletonName = mSkeletonName; |
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| 338 | newMesh->mSkeleton = mSkeleton; |
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| 339 | |
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| 340 | // Keep prepared shadow volume info (buffers may already be prepared) |
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| 341 | newMesh->mPreparedForShadowVolumes = mPreparedForShadowVolumes; |
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| 342 | |
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| 343 | // mEdgeListsBuilt and edgeData of mMeshLodUsageList |
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| 344 | // will up to date on demand. Not copied since internal references, and mesh |
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| 345 | // data may be altered |
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| 346 | |
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| 347 | // Clone vertex animation |
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| 348 | for (AnimationList::iterator i = mAnimationsList.begin(); |
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| 349 | i != mAnimationsList.end(); ++i) |
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| 350 | { |
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| 351 | Animation *newAnim = i->second->clone(i->second->getName()); |
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| 352 | newMesh->mAnimationsList[newName] = newAnim; |
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| 353 | } |
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| 354 | // Clone pose list |
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| 355 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i) |
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| 356 | { |
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| 357 | Pose* newPose = (*i)->clone(); |
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| 358 | newMesh->mPoseList.push_back(newPose); |
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| 359 | } |
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| 360 | newMesh->mSharedVertexDataAnimationType = mSharedVertexDataAnimationType; |
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| 361 | newMesh->mAnimationTypesDirty = mAnimationTypesDirty; |
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| 362 | |
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| 363 | |
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| 364 | newMesh->load(); |
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| 365 | newMesh->touch(); |
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| 366 | |
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| 367 | return newMesh; |
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| 368 | |
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| 369 | } |
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| 370 | //----------------------------------------------------------------------- |
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| 371 | const AxisAlignedBox& Mesh::getBounds(void) const |
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| 372 | { |
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| 373 | return mAABB; |
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| 374 | } |
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| 375 | //----------------------------------------------------------------------- |
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| 376 | void Mesh::_setBounds(const AxisAlignedBox& bounds, bool pad) |
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| 377 | { |
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| 378 | mAABB = bounds; |
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| 379 | Vector3 max = mAABB.getMaximum(); |
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| 380 | Vector3 min = mAABB.getMinimum(); |
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| 381 | |
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| 382 | // Set sphere bounds; not the tightest by since we're using |
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| 383 | // manual AABB it is the only way |
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| 384 | Real sqLen1 = min.squaredLength(); |
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| 385 | Real sqLen2 = max.squaredLength(); |
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| 386 | |
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| 387 | mBoundRadius = Math::Sqrt(std::max(sqLen1, sqLen2)); |
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| 388 | if (pad) |
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| 389 | { |
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| 390 | // Pad out the AABB a little, helps with most bounds tests |
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| 391 | Vector3 scaler = (max - min) * MeshManager::getSingleton().getBoundsPaddingFactor(); |
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| 392 | mAABB.setExtents(min - scaler, max + scaler); |
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| 393 | // Pad out the sphere a little too |
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| 394 | mBoundRadius = mBoundRadius + (mBoundRadius * MeshManager::getSingleton().getBoundsPaddingFactor()); |
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| 395 | } |
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| 396 | else |
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| 397 | { |
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| 398 | mAABB.setExtents(min, max); |
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| 399 | mBoundRadius = mBoundRadius; |
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| 400 | } |
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| 401 | |
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| 402 | } |
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| 403 | //----------------------------------------------------------------------- |
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| 404 | void Mesh::_setBoundingSphereRadius(Real radius) |
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| 405 | { |
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| 406 | mBoundRadius = radius; |
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| 407 | } |
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| 408 | //----------------------------------------------------------------------- |
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| 409 | void Mesh::setSkeletonName(const String& skelName) |
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| 410 | { |
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| 411 | mSkeletonName = skelName; |
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| 412 | |
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| 413 | if (skelName.empty()) |
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| 414 | { |
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| 415 | // No skeleton |
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| 416 | mSkeleton.setNull(); |
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| 417 | } |
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| 418 | else |
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| 419 | { |
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| 420 | // Load skeleton |
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| 421 | try { |
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| 422 | mSkeleton = SkeletonManager::getSingleton().load(skelName, mGroup); |
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| 423 | } |
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| 424 | catch (...) |
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| 425 | { |
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| 426 | mSkeleton.setNull(); |
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| 427 | // Log this error |
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| 428 | String msg = "Unable to load skeleton "; |
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| 429 | msg += skelName + " for Mesh " + mName |
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| 430 | + ". This Mesh will not be animated. " |
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| 431 | + "You can ignore this message if you are using an offline tool."; |
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| 432 | LogManager::getSingleton().logMessage(msg); |
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| 433 | |
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| 434 | } |
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| 435 | |
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| 436 | |
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| 437 | } |
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| 438 | } |
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| 439 | //----------------------------------------------------------------------- |
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| 440 | bool Mesh::hasSkeleton(void) const |
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| 441 | { |
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| 442 | return !(mSkeletonName.empty()); |
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| 443 | } |
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| 444 | //----------------------------------------------------------------------- |
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| 445 | const SkeletonPtr& Mesh::getSkeleton(void) const |
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| 446 | { |
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| 447 | return mSkeleton; |
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| 448 | } |
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| 449 | //----------------------------------------------------------------------- |
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| 450 | void Mesh::addBoneAssignment(const VertexBoneAssignment& vertBoneAssign) |
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| 451 | { |
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| 452 | mBoneAssignments.insert( |
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| 453 | VertexBoneAssignmentList::value_type(vertBoneAssign.vertexIndex, vertBoneAssign)); |
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| 454 | mBoneAssignmentsOutOfDate = true; |
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| 455 | } |
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| 456 | //----------------------------------------------------------------------- |
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| 457 | void Mesh::clearBoneAssignments(void) |
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| 458 | { |
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| 459 | mBoneAssignments.clear(); |
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| 460 | mBoneAssignmentsOutOfDate = true; |
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| 461 | } |
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| 462 | //----------------------------------------------------------------------- |
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| 463 | void Mesh::_initAnimationState(AnimationStateSet* animSet) |
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| 464 | { |
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| 465 | // Animation states for skeletal animation |
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| 466 | if (hasSkeleton()) |
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| 467 | { |
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| 468 | // Delegate to Skeleton |
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| 469 | assert(!mSkeleton.isNull() && "Skeleton not present"); |
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| 470 | mSkeleton->_initAnimationState(animSet); |
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| 471 | |
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| 472 | // Take the opportunity to update the compiled bone assignments |
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| 473 | _updateCompiledBoneAssignments(); |
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| 474 | } |
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| 475 | |
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| 476 | // Animation states for vertex animation |
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| 477 | for (AnimationList::iterator i = mAnimationsList.begin(); |
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| 478 | i != mAnimationsList.end(); ++i) |
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| 479 | { |
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| 480 | // Only create a new animation state if it doesn't exist |
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| 481 | // We can have the same named animation in both skeletal and vertex |
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| 482 | // with a shared animation state affecting both, for combined effects |
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| 483 | // The animations should be the same length if this feature is used! |
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| 484 | if (!animSet->hasAnimationState(i->second->getName())) |
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| 485 | { |
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| 486 | animSet->createAnimationState(i->second->getName(), 0.0, |
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| 487 | i->second->getLength()); |
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| 488 | } |
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| 489 | |
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| 490 | } |
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| 491 | |
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| 492 | } |
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| 493 | //--------------------------------------------------------------------- |
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| 494 | void Mesh::_refreshAnimationState(AnimationStateSet* animSet) |
---|
| 495 | { |
---|
| 496 | if (hasSkeleton()) |
---|
| 497 | { |
---|
| 498 | mSkeleton->_refreshAnimationState(animSet); |
---|
| 499 | } |
---|
| 500 | |
---|
| 501 | // Merge in any new vertex animations |
---|
| 502 | AnimationList::iterator i; |
---|
| 503 | for (i = mAnimationsList.begin(); i != mAnimationsList.end(); ++i) |
---|
| 504 | { |
---|
| 505 | Animation* anim = i->second; |
---|
| 506 | // Create animation at time index 0, default params mean this has weight 1 and is disabled |
---|
| 507 | const String& animName = anim->getName(); |
---|
| 508 | if (!animSet->hasAnimationState(animName)) |
---|
| 509 | { |
---|
| 510 | animSet->createAnimationState(animName, 0.0, anim->getLength()); |
---|
| 511 | } |
---|
| 512 | else |
---|
| 513 | { |
---|
| 514 | // Update length incase changed |
---|
| 515 | AnimationState* animState = animSet->getAnimationState(animName); |
---|
| 516 | animState->setLength(anim->getLength()); |
---|
| 517 | animState->setTimePosition(std::min(anim->getLength(), animState->getTimePosition())); |
---|
| 518 | } |
---|
| 519 | } |
---|
| 520 | |
---|
| 521 | } |
---|
| 522 | //----------------------------------------------------------------------- |
---|
| 523 | void Mesh::_updateCompiledBoneAssignments(void) |
---|
| 524 | { |
---|
| 525 | if (mBoneAssignmentsOutOfDate) |
---|
| 526 | _compileBoneAssignments(); |
---|
| 527 | |
---|
| 528 | SubMeshList::iterator i; |
---|
| 529 | for (i = mSubMeshList.begin(); i != mSubMeshList.end(); ++i) |
---|
| 530 | { |
---|
| 531 | if ((*i)->mBoneAssignmentsOutOfDate) |
---|
| 532 | { |
---|
| 533 | (*i)->_compileBoneAssignments(); |
---|
| 534 | } |
---|
| 535 | } |
---|
| 536 | } |
---|
| 537 | //----------------------------------------------------------------------- |
---|
| 538 | typedef std::multimap<Real, Mesh::VertexBoneAssignmentList::iterator> WeightIteratorMap; |
---|
| 539 | unsigned short Mesh::_rationaliseBoneAssignments(size_t vertexCount, Mesh::VertexBoneAssignmentList& assignments) |
---|
| 540 | { |
---|
| 541 | // Iterate through, finding the largest # bones per vertex |
---|
| 542 | unsigned short maxBones = 0; |
---|
| 543 | bool existsNonSkinnedVertices = false; |
---|
| 544 | VertexBoneAssignmentList::iterator i; |
---|
| 545 | |
---|
| 546 | for (size_t v = 0; v < vertexCount; ++v) |
---|
| 547 | { |
---|
| 548 | // Get number of entries for this vertex |
---|
| 549 | unsigned short currBones = static_cast<unsigned short>(assignments.count(v)); |
---|
| 550 | if (currBones <= 0) |
---|
| 551 | existsNonSkinnedVertices = true; |
---|
| 552 | |
---|
| 553 | // Deal with max bones update |
---|
| 554 | // (note this will record maxBones even if they exceed limit) |
---|
| 555 | if (maxBones < currBones) |
---|
| 556 | maxBones = currBones; |
---|
| 557 | // does the number of bone assignments exceed limit? |
---|
| 558 | if (currBones > OGRE_MAX_BLEND_WEIGHTS) |
---|
| 559 | { |
---|
| 560 | // To many bone assignments on this vertex |
---|
| 561 | // Find the start & end (end is in iterator terms ie exclusive) |
---|
| 562 | std::pair<VertexBoneAssignmentList::iterator, VertexBoneAssignmentList::iterator> range; |
---|
| 563 | // map to sort by weight |
---|
| 564 | WeightIteratorMap weightToAssignmentMap; |
---|
| 565 | range = assignments.equal_range(v); |
---|
| 566 | // Add all the assignments to map |
---|
| 567 | for (i = range.first; i != range.second; ++i) |
---|
| 568 | { |
---|
| 569 | // insert value weight->iterator |
---|
| 570 | weightToAssignmentMap.insert( |
---|
| 571 | WeightIteratorMap::value_type(i->second.weight, i)); |
---|
| 572 | } |
---|
| 573 | // Reverse iterate over weight map, remove lowest n |
---|
| 574 | unsigned short numToRemove = currBones - OGRE_MAX_BLEND_WEIGHTS; |
---|
| 575 | WeightIteratorMap::iterator remIt = weightToAssignmentMap.begin(); |
---|
| 576 | |
---|
| 577 | while (numToRemove--) |
---|
| 578 | { |
---|
| 579 | // Erase this one |
---|
| 580 | assignments.erase(remIt->second); |
---|
| 581 | ++remIt; |
---|
| 582 | } |
---|
| 583 | } // if (currBones > OGRE_MAX_BLEND_WEIGHTS) |
---|
| 584 | |
---|
| 585 | // Make sure the weights are normalised |
---|
| 586 | // Do this irrespective of whether we had to remove assignments or not |
---|
| 587 | // since it gives us a guarantee that weights are normalised |
---|
| 588 | // We assume this, so it's a good idea since some modellers may not |
---|
| 589 | std::pair<VertexBoneAssignmentList::iterator, VertexBoneAssignmentList::iterator> normalise_range = assignments.equal_range(v); |
---|
| 590 | Real totalWeight = 0; |
---|
| 591 | // Find total first |
---|
| 592 | for (i = normalise_range.first; i != normalise_range.second; ++i) |
---|
| 593 | { |
---|
| 594 | totalWeight += i->second.weight; |
---|
| 595 | } |
---|
| 596 | // Now normalise if total weight is outside tolerance |
---|
| 597 | if (!Math::RealEqual(totalWeight, 1.0f)) |
---|
| 598 | { |
---|
| 599 | for (i = normalise_range.first; i != normalise_range.second; ++i) |
---|
| 600 | { |
---|
| 601 | i->second.weight = i->second.weight / totalWeight; |
---|
| 602 | } |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | } |
---|
| 606 | |
---|
| 607 | if (maxBones > OGRE_MAX_BLEND_WEIGHTS) |
---|
| 608 | { |
---|
| 609 | // Warn that we've reduced bone assignments |
---|
| 610 | LogManager::getSingleton().logMessage("WARNING: the mesh '" + mName + "' " |
---|
| 611 | "includes vertices with more than " + |
---|
| 612 | StringConverter::toString(OGRE_MAX_BLEND_WEIGHTS) + " bone assignments. " |
---|
| 613 | "The lowest weighted assignments beyond this limit have been removed, so " |
---|
| 614 | "your animation may look slightly different. To eliminate this, reduce " |
---|
| 615 | "the number of bone assignments per vertex on your mesh to " + |
---|
| 616 | StringConverter::toString(OGRE_MAX_BLEND_WEIGHTS) + "."); |
---|
| 617 | // we've adjusted them down to the max |
---|
| 618 | maxBones = OGRE_MAX_BLEND_WEIGHTS; |
---|
| 619 | |
---|
| 620 | } |
---|
| 621 | |
---|
| 622 | if (existsNonSkinnedVertices) |
---|
| 623 | { |
---|
| 624 | // Warn that we've non-skinned vertices |
---|
| 625 | LogManager::getSingleton().logMessage("WARNING: the mesh '" + mName + "' " |
---|
| 626 | "includes vertices without bone assignments. Those vertices will " |
---|
| 627 | "transform to wrong position when skeletal animation enabled. " |
---|
| 628 | "To eliminate this, assign at least one bone assignment per vertex " |
---|
| 629 | "on your mesh."); |
---|
| 630 | } |
---|
| 631 | |
---|
| 632 | return maxBones; |
---|
| 633 | } |
---|
| 634 | //----------------------------------------------------------------------- |
---|
| 635 | void Mesh::_compileBoneAssignments(void) |
---|
| 636 | { |
---|
| 637 | unsigned short maxBones = |
---|
| 638 | _rationaliseBoneAssignments(sharedVertexData->vertexCount, mBoneAssignments); |
---|
| 639 | |
---|
| 640 | if (maxBones != 0) |
---|
| 641 | { |
---|
| 642 | compileBoneAssignments(mBoneAssignments, maxBones, |
---|
| 643 | sharedBlendIndexToBoneIndexMap, sharedVertexData); |
---|
| 644 | } |
---|
| 645 | |
---|
| 646 | mBoneAssignmentsOutOfDate = false; |
---|
| 647 | } |
---|
| 648 | //--------------------------------------------------------------------- |
---|
| 649 | void Mesh::buildIndexMap(const VertexBoneAssignmentList& boneAssignments, |
---|
| 650 | IndexMap& boneIndexToBlendIndexMap, IndexMap& blendIndexToBoneIndexMap) |
---|
| 651 | { |
---|
| 652 | if (boneAssignments.empty()) |
---|
| 653 | { |
---|
| 654 | // Just in case |
---|
| 655 | boneIndexToBlendIndexMap.clear(); |
---|
| 656 | blendIndexToBoneIndexMap.clear(); |
---|
| 657 | return; |
---|
| 658 | } |
---|
| 659 | |
---|
| 660 | typedef std::set<unsigned short> BoneIndexSet; |
---|
| 661 | BoneIndexSet usedBoneIndices; |
---|
| 662 | |
---|
| 663 | // Collect actually used bones |
---|
| 664 | VertexBoneAssignmentList::const_iterator itVBA, itendVBA; |
---|
| 665 | itendVBA = boneAssignments.end(); |
---|
| 666 | for (itVBA = boneAssignments.begin(); itVBA != itendVBA; ++itVBA) |
---|
| 667 | { |
---|
| 668 | usedBoneIndices.insert(itVBA->second.boneIndex); |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | // Allocate space for index map |
---|
| 672 | blendIndexToBoneIndexMap.resize(usedBoneIndices.size()); |
---|
| 673 | boneIndexToBlendIndexMap.resize(*usedBoneIndices.rbegin() + 1); |
---|
| 674 | |
---|
| 675 | // Make index map between bone index and blend index |
---|
| 676 | BoneIndexSet::const_iterator itBoneIndex, itendBoneIndex; |
---|
| 677 | unsigned short blendIndex = 0; |
---|
| 678 | itendBoneIndex = usedBoneIndices.end(); |
---|
| 679 | for (itBoneIndex = usedBoneIndices.begin(); itBoneIndex != itendBoneIndex; ++itBoneIndex, ++blendIndex) |
---|
| 680 | { |
---|
| 681 | boneIndexToBlendIndexMap[*itBoneIndex] = blendIndex; |
---|
| 682 | blendIndexToBoneIndexMap[blendIndex] = *itBoneIndex; |
---|
| 683 | } |
---|
| 684 | } |
---|
| 685 | //--------------------------------------------------------------------- |
---|
| 686 | void Mesh::compileBoneAssignments( |
---|
| 687 | const VertexBoneAssignmentList& boneAssignments, |
---|
| 688 | unsigned short numBlendWeightsPerVertex, |
---|
| 689 | IndexMap& blendIndexToBoneIndexMap, |
---|
| 690 | VertexData* targetVertexData) |
---|
| 691 | { |
---|
| 692 | // Create or reuse blend weight / indexes buffer |
---|
| 693 | // Indices are always a UBYTE4 no matter how many weights per vertex |
---|
| 694 | // Weights are more specific though since they are Reals |
---|
| 695 | VertexDeclaration* decl = targetVertexData->vertexDeclaration; |
---|
| 696 | VertexBufferBinding* bind = targetVertexData->vertexBufferBinding; |
---|
| 697 | unsigned short bindIndex; |
---|
| 698 | |
---|
| 699 | // Build the index map brute-force. It's possible to store the index map |
---|
| 700 | // in .mesh, but maybe trivial. |
---|
| 701 | IndexMap boneIndexToBlendIndexMap; |
---|
| 702 | buildIndexMap(boneAssignments, boneIndexToBlendIndexMap, blendIndexToBoneIndexMap); |
---|
| 703 | |
---|
| 704 | const VertexElement* testElem = |
---|
| 705 | decl->findElementBySemantic(VES_BLEND_INDICES); |
---|
| 706 | if (testElem) |
---|
| 707 | { |
---|
| 708 | // Already have a buffer, unset it & delete elements |
---|
| 709 | bindIndex = testElem->getSource(); |
---|
| 710 | // unset will cause deletion of buffer |
---|
| 711 | bind->unsetBinding(bindIndex); |
---|
| 712 | decl->removeElement(VES_BLEND_INDICES); |
---|
| 713 | decl->removeElement(VES_BLEND_WEIGHTS); |
---|
| 714 | } |
---|
| 715 | else |
---|
| 716 | { |
---|
| 717 | // Get new binding |
---|
| 718 | bindIndex = bind->getNextIndex(); |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | HardwareVertexBufferSharedPtr vbuf = |
---|
| 722 | HardwareBufferManager::getSingleton().createVertexBuffer( |
---|
| 723 | sizeof(unsigned char)*4 + sizeof(float)*numBlendWeightsPerVertex, |
---|
| 724 | targetVertexData->vertexCount, |
---|
| 725 | HardwareBuffer::HBU_STATIC_WRITE_ONLY, |
---|
| 726 | true // use shadow buffer |
---|
| 727 | ); |
---|
| 728 | // bind new buffer |
---|
| 729 | bind->setBinding(bindIndex, vbuf); |
---|
| 730 | const VertexElement *pIdxElem, *pWeightElem; |
---|
| 731 | |
---|
| 732 | // add new vertex elements |
---|
| 733 | // Note, insert directly after all elements using the same source as |
---|
| 734 | // position to abide by pre-Dx9 format restrictions |
---|
| 735 | const VertexElement* firstElem = decl->getElement(0); |
---|
| 736 | if(firstElem->getSemantic() == VES_POSITION) |
---|
| 737 | { |
---|
| 738 | unsigned short insertPoint = 1; |
---|
| 739 | while (insertPoint < decl->getElementCount() && |
---|
| 740 | decl->getElement(insertPoint)->getSource() == firstElem->getSource()) |
---|
| 741 | { |
---|
| 742 | ++insertPoint; |
---|
| 743 | } |
---|
| 744 | const VertexElement& idxElem = |
---|
| 745 | decl->insertElement(insertPoint, bindIndex, 0, VET_UBYTE4, VES_BLEND_INDICES); |
---|
| 746 | const VertexElement& wtElem = |
---|
| 747 | decl->insertElement(insertPoint+1, bindIndex, sizeof(unsigned char)*4, |
---|
| 748 | VertexElement::multiplyTypeCount(VET_FLOAT1, numBlendWeightsPerVertex), |
---|
| 749 | VES_BLEND_WEIGHTS); |
---|
| 750 | pIdxElem = &idxElem; |
---|
| 751 | pWeightElem = &wtElem; |
---|
| 752 | } |
---|
| 753 | else |
---|
| 754 | { |
---|
| 755 | // Position is not the first semantic, therefore this declaration is |
---|
| 756 | // not pre-Dx9 compatible anyway, so just tack it on the end |
---|
| 757 | const VertexElement& idxElem = |
---|
| 758 | decl->addElement(bindIndex, 0, VET_UBYTE4, VES_BLEND_INDICES); |
---|
| 759 | const VertexElement& wtElem = |
---|
| 760 | decl->addElement(bindIndex, sizeof(unsigned char)*4, |
---|
| 761 | VertexElement::multiplyTypeCount(VET_FLOAT1, numBlendWeightsPerVertex), |
---|
| 762 | VES_BLEND_WEIGHTS); |
---|
| 763 | pIdxElem = &idxElem; |
---|
| 764 | pWeightElem = &wtElem; |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | // Assign data |
---|
| 768 | size_t v; |
---|
| 769 | VertexBoneAssignmentList::const_iterator i, iend; |
---|
| 770 | i = boneAssignments.begin(); |
---|
| 771 | iend = boneAssignments.end(); |
---|
| 772 | unsigned char *pBase = static_cast<unsigned char*>( |
---|
| 773 | vbuf->lock(HardwareBuffer::HBL_DISCARD)); |
---|
| 774 | // Iterate by vertex |
---|
| 775 | float *pWeight; |
---|
| 776 | unsigned char *pIndex; |
---|
| 777 | for (v = 0; v < targetVertexData->vertexCount; ++v) |
---|
| 778 | { |
---|
| 779 | /// Convert to specific pointers |
---|
| 780 | pWeightElem->baseVertexPointerToElement(pBase, &pWeight); |
---|
| 781 | pIdxElem->baseVertexPointerToElement(pBase, &pIndex); |
---|
| 782 | for (unsigned short bone = 0; bone < numBlendWeightsPerVertex; ++bone) |
---|
| 783 | { |
---|
| 784 | // Do we still have data for this vertex? |
---|
| 785 | if (i != iend && i->second.vertexIndex == v) |
---|
| 786 | { |
---|
| 787 | // If so, write weight |
---|
| 788 | *pWeight++ = i->second.weight; |
---|
| 789 | *pIndex++ = boneIndexToBlendIndexMap[i->second.boneIndex]; |
---|
| 790 | ++i; |
---|
| 791 | } |
---|
| 792 | else |
---|
| 793 | { |
---|
| 794 | // Ran out of assignments for this vertex, use weight 0 to indicate empty |
---|
| 795 | *pWeight++ = 0.0f; |
---|
| 796 | *pIndex++ = 0; |
---|
| 797 | } |
---|
| 798 | } |
---|
| 799 | pBase += vbuf->getVertexSize(); |
---|
| 800 | } |
---|
| 801 | |
---|
| 802 | vbuf->unlock(); |
---|
| 803 | |
---|
| 804 | } |
---|
| 805 | //--------------------------------------------------------------------- |
---|
| 806 | void Mesh::_notifySkeleton(SkeletonPtr& pSkel) |
---|
| 807 | { |
---|
| 808 | mSkeleton = pSkel; |
---|
| 809 | mSkeletonName = pSkel->getName(); |
---|
| 810 | } |
---|
| 811 | //--------------------------------------------------------------------- |
---|
| 812 | Mesh::BoneAssignmentIterator Mesh::getBoneAssignmentIterator(void) |
---|
| 813 | { |
---|
| 814 | return BoneAssignmentIterator(mBoneAssignments.begin(), |
---|
| 815 | mBoneAssignments.end()); |
---|
| 816 | } |
---|
| 817 | //--------------------------------------------------------------------- |
---|
| 818 | const String& Mesh::getSkeletonName(void) const |
---|
| 819 | { |
---|
| 820 | return mSkeletonName; |
---|
| 821 | } |
---|
| 822 | //--------------------------------------------------------------------- |
---|
| 823 | void Mesh::generateLodLevels(const LodDistanceList& lodDistances, |
---|
| 824 | ProgressiveMesh::VertexReductionQuota reductionMethod, Real reductionValue) |
---|
| 825 | { |
---|
| 826 | #if OGRE_DEBUG_MODE |
---|
| 827 | Real prev = 0; |
---|
| 828 | for (LodDistanceList::const_iterator it = lodDistances.begin(); |
---|
| 829 | it != lodDistances.end(); ++it) |
---|
| 830 | { |
---|
| 831 | Real cur = (*it) * (*it); |
---|
| 832 | assert(cur >= prev && "The lod distances must be sort ascending"); |
---|
| 833 | prev = cur; |
---|
| 834 | } |
---|
| 835 | #endif |
---|
| 836 | |
---|
| 837 | removeLodLevels(); |
---|
| 838 | |
---|
| 839 | StringUtil::StrStreamType str; |
---|
| 840 | str << "Generating " << lodDistances.size() |
---|
| 841 | << " lower LODs for mesh " << mName; |
---|
| 842 | LogManager::getSingleton().logMessage(str.str()); |
---|
| 843 | |
---|
| 844 | SubMeshList::iterator isub, isubend; |
---|
| 845 | isubend = mSubMeshList.end(); |
---|
| 846 | for (isub = mSubMeshList.begin(); isub != isubend; ++isub) |
---|
| 847 | { |
---|
| 848 | // Set up data for reduction |
---|
| 849 | VertexData* pVertexData = (*isub)->useSharedVertices ? sharedVertexData : (*isub)->vertexData; |
---|
| 850 | |
---|
| 851 | ProgressiveMesh pm(pVertexData, (*isub)->indexData); |
---|
| 852 | pm.build( |
---|
| 853 | static_cast<ushort>(lodDistances.size()), |
---|
| 854 | &((*isub)->mLodFaceList), |
---|
| 855 | reductionMethod, reductionValue); |
---|
| 856 | |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | // Iterate over the lods and record usage |
---|
| 860 | LodDistanceList::const_iterator idist, idistend; |
---|
| 861 | idistend = lodDistances.end(); |
---|
| 862 | mMeshLodUsageList.resize(lodDistances.size() + 1); |
---|
| 863 | MeshLodUsageList::iterator ilod = mMeshLodUsageList.begin(); |
---|
| 864 | for (idist = lodDistances.begin(); idist != idistend; ++idist) |
---|
| 865 | { |
---|
| 866 | // Record usage |
---|
| 867 | MeshLodUsage& lod = *++ilod; |
---|
| 868 | lod.fromDepthSquared = (*idist) * (*idist); |
---|
| 869 | lod.edgeData = 0; |
---|
| 870 | lod.manualMesh.setNull(); |
---|
| 871 | } |
---|
| 872 | mNumLods = static_cast<ushort>(lodDistances.size() + 1); |
---|
| 873 | } |
---|
| 874 | //--------------------------------------------------------------------- |
---|
| 875 | ushort Mesh::getNumLodLevels(void) const |
---|
| 876 | { |
---|
| 877 | return mNumLods; |
---|
| 878 | } |
---|
| 879 | //--------------------------------------------------------------------- |
---|
| 880 | const MeshLodUsage& Mesh::getLodLevel(ushort index) const |
---|
| 881 | { |
---|
| 882 | assert(index < mMeshLodUsageList.size()); |
---|
| 883 | if (mIsLodManual && index > 0 && mMeshLodUsageList[index].manualMesh.isNull()) |
---|
| 884 | { |
---|
| 885 | // Load the mesh now |
---|
| 886 | try { |
---|
| 887 | mMeshLodUsageList[index].manualMesh = |
---|
| 888 | MeshManager::getSingleton().load( |
---|
| 889 | mMeshLodUsageList[index].manualName, |
---|
| 890 | mGroup); |
---|
| 891 | // get the edge data, if required |
---|
| 892 | if (!mMeshLodUsageList[index].edgeData) |
---|
| 893 | { |
---|
| 894 | mMeshLodUsageList[index].edgeData = |
---|
| 895 | mMeshLodUsageList[index].manualMesh->getEdgeList(0); |
---|
| 896 | } |
---|
| 897 | } |
---|
| 898 | catch (Exception& ) |
---|
| 899 | { |
---|
| 900 | StringUtil::StrStreamType str; |
---|
| 901 | str << "Error while loading manual LOD level " |
---|
| 902 | << mMeshLodUsageList[index].manualName |
---|
| 903 | << " - this LOD level will not be rendered. You can " |
---|
| 904 | << "ignore this error in offline mesh tools."; |
---|
| 905 | LogManager::getSingleton().logMessage(str.str()); |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | } |
---|
| 909 | return mMeshLodUsageList[index]; |
---|
| 910 | } |
---|
| 911 | //--------------------------------------------------------------------- |
---|
| 912 | struct ManualLodSortLess : |
---|
| 913 | public std::binary_function<const MeshLodUsage&, const MeshLodUsage&, bool> |
---|
| 914 | { |
---|
| 915 | bool operator() (const MeshLodUsage& mesh1, const MeshLodUsage& mesh2) |
---|
| 916 | { |
---|
| 917 | // sort ascending by depth |
---|
| 918 | return mesh1.fromDepthSquared < mesh2.fromDepthSquared; |
---|
| 919 | } |
---|
| 920 | }; |
---|
| 921 | void Mesh::createManualLodLevel(Real fromDepth, const String& meshName) |
---|
| 922 | { |
---|
| 923 | |
---|
| 924 | // Basic prerequisites |
---|
| 925 | assert(fromDepth > 0 && "The LOD depth must be greater than zero"); |
---|
| 926 | assert((mIsLodManual || mNumLods == 1) && "Generated LODs already in use!"); |
---|
| 927 | |
---|
| 928 | mIsLodManual = true; |
---|
| 929 | MeshLodUsage lod; |
---|
| 930 | lod.fromDepthSquared = fromDepth * fromDepth; |
---|
| 931 | lod.manualName = meshName; |
---|
| 932 | lod.manualMesh.setNull(); |
---|
| 933 | lod.edgeData = 0; |
---|
| 934 | mMeshLodUsageList.push_back(lod); |
---|
| 935 | ++mNumLods; |
---|
| 936 | |
---|
| 937 | std::sort(mMeshLodUsageList.begin(), mMeshLodUsageList.end(), ManualLodSortLess()); |
---|
| 938 | } |
---|
| 939 | //--------------------------------------------------------------------- |
---|
| 940 | void Mesh::updateManualLodLevel(ushort index, const String& meshName) |
---|
| 941 | { |
---|
| 942 | |
---|
| 943 | // Basic prerequisites |
---|
| 944 | assert(mIsLodManual && "Not using manual LODs!"); |
---|
| 945 | assert(index != 0 && "Can't modify first lod level (full detail)"); |
---|
| 946 | assert(index < mMeshLodUsageList.size() && "Index out of bounds"); |
---|
| 947 | // get lod |
---|
| 948 | MeshLodUsage* lod = &(mMeshLodUsageList[index]); |
---|
| 949 | |
---|
| 950 | lod->manualName = meshName; |
---|
| 951 | lod->manualMesh.setNull(); |
---|
| 952 | if (lod->edgeData) delete lod->edgeData; |
---|
| 953 | lod->edgeData = 0; |
---|
| 954 | } |
---|
| 955 | //--------------------------------------------------------------------- |
---|
| 956 | ushort Mesh::getLodIndex(Real depth) const |
---|
| 957 | { |
---|
| 958 | return getLodIndexSquaredDepth(depth * depth); |
---|
| 959 | } |
---|
| 960 | //--------------------------------------------------------------------- |
---|
| 961 | ushort Mesh::getLodIndexSquaredDepth(Real squaredDepth) const |
---|
| 962 | { |
---|
| 963 | MeshLodUsageList::const_iterator i, iend; |
---|
| 964 | iend = mMeshLodUsageList.end(); |
---|
| 965 | ushort index = 0; |
---|
| 966 | for (i = mMeshLodUsageList.begin(); i != iend; ++i, ++index) |
---|
| 967 | { |
---|
| 968 | if (i->fromDepthSquared > squaredDepth) |
---|
| 969 | { |
---|
| 970 | return index - 1; |
---|
| 971 | } |
---|
| 972 | } |
---|
| 973 | |
---|
| 974 | // If we fall all the way through, use the highest value |
---|
| 975 | return static_cast<ushort>(mMeshLodUsageList.size() - 1); |
---|
| 976 | |
---|
| 977 | |
---|
| 978 | } |
---|
| 979 | //--------------------------------------------------------------------- |
---|
| 980 | void Mesh::_setLodInfo(unsigned short numLevels, bool isManual) |
---|
| 981 | { |
---|
| 982 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built"); |
---|
| 983 | |
---|
| 984 | // Basic prerequisites |
---|
| 985 | assert(numLevels > 0 && "Must be at least one level (full detail level must exist)"); |
---|
| 986 | |
---|
| 987 | mNumLods = numLevels; |
---|
| 988 | mMeshLodUsageList.resize(numLevels); |
---|
| 989 | // Resize submesh face data lists too |
---|
| 990 | for (SubMeshList::iterator i = mSubMeshList.begin(); i != mSubMeshList.end(); ++i) |
---|
| 991 | { |
---|
| 992 | (*i)->mLodFaceList.resize(numLevels - 1); |
---|
| 993 | } |
---|
| 994 | mIsLodManual = isManual; |
---|
| 995 | } |
---|
| 996 | //--------------------------------------------------------------------- |
---|
| 997 | void Mesh::_setLodUsage(unsigned short level, MeshLodUsage& usage) |
---|
| 998 | { |
---|
| 999 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built"); |
---|
| 1000 | |
---|
| 1001 | // Basic prerequisites |
---|
| 1002 | assert(level != 0 && "Can't modify first lod level (full detail)"); |
---|
| 1003 | assert(level < mMeshLodUsageList.size() && "Index out of bounds"); |
---|
| 1004 | |
---|
| 1005 | mMeshLodUsageList[level] = usage; |
---|
| 1006 | } |
---|
| 1007 | //--------------------------------------------------------------------- |
---|
| 1008 | void Mesh::_setSubMeshLodFaceList(unsigned short subIdx, unsigned short level, |
---|
| 1009 | IndexData* facedata) |
---|
| 1010 | { |
---|
| 1011 | assert(!mEdgeListsBuilt && "Can't modify LOD after edge lists built"); |
---|
| 1012 | |
---|
| 1013 | // Basic prerequisites |
---|
| 1014 | assert(!mIsLodManual && "Not using generated LODs!"); |
---|
| 1015 | assert(subIdx <= mSubMeshList.size() && "Index out of bounds"); |
---|
| 1016 | assert(level != 0 && "Can't modify first lod level (full detail)"); |
---|
| 1017 | assert(level <= mSubMeshList[subIdx]->mLodFaceList.size() && "Index out of bounds"); |
---|
| 1018 | |
---|
| 1019 | SubMesh* sm = mSubMeshList[subIdx]; |
---|
| 1020 | sm->mLodFaceList[level - 1] = facedata; |
---|
| 1021 | |
---|
| 1022 | } |
---|
| 1023 | //--------------------------------------------------------------------- |
---|
| 1024 | ushort Mesh::_getSubMeshIndex(const String& name) const |
---|
| 1025 | { |
---|
| 1026 | SubMeshNameMap::const_iterator i = mSubMeshNameMap.find(name) ; |
---|
| 1027 | if (i == mSubMeshNameMap.end()) |
---|
| 1028 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "No SubMesh named " + name + " found.", |
---|
| 1029 | "Mesh::_getSubMeshIndex"); |
---|
| 1030 | |
---|
| 1031 | return i->second; |
---|
| 1032 | } |
---|
| 1033 | //--------------------------------------------------------------------- |
---|
| 1034 | void Mesh::removeLodLevels(void) |
---|
| 1035 | { |
---|
| 1036 | if (!mIsLodManual) |
---|
| 1037 | { |
---|
| 1038 | // Remove data from SubMeshes |
---|
| 1039 | SubMeshList::iterator isub, isubend; |
---|
| 1040 | isubend = mSubMeshList.end(); |
---|
| 1041 | for (isub = mSubMeshList.begin(); isub != isubend; ++isub) |
---|
| 1042 | { |
---|
| 1043 | (*isub)->removeLodLevels(); |
---|
| 1044 | } |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | freeEdgeList(); |
---|
| 1048 | mMeshLodUsageList.clear(); |
---|
| 1049 | |
---|
| 1050 | // Reinitialise |
---|
| 1051 | mNumLods = 1; |
---|
| 1052 | // Init first (manual) lod |
---|
| 1053 | MeshLodUsage lod; |
---|
| 1054 | lod.fromDepthSquared = 0.0f; |
---|
| 1055 | lod.edgeData = 0; |
---|
| 1056 | lod.manualMesh.setNull(); |
---|
| 1057 | mMeshLodUsageList.push_back(lod); |
---|
| 1058 | mIsLodManual = false; |
---|
| 1059 | |
---|
| 1060 | |
---|
| 1061 | } |
---|
| 1062 | //--------------------------------------------------------------------- |
---|
| 1063 | Real Mesh::getBoundingSphereRadius(void) const |
---|
| 1064 | { |
---|
| 1065 | return mBoundRadius; |
---|
| 1066 | } |
---|
| 1067 | //--------------------------------------------------------------------- |
---|
| 1068 | void Mesh::setVertexBufferPolicy(HardwareBuffer::Usage vbUsage, bool shadowBuffer) |
---|
| 1069 | { |
---|
| 1070 | mVertexBufferUsage = vbUsage; |
---|
| 1071 | mVertexBufferShadowBuffer = shadowBuffer; |
---|
| 1072 | } |
---|
| 1073 | //--------------------------------------------------------------------- |
---|
| 1074 | void Mesh::setIndexBufferPolicy(HardwareBuffer::Usage vbUsage, bool shadowBuffer) |
---|
| 1075 | { |
---|
| 1076 | mIndexBufferUsage = vbUsage; |
---|
| 1077 | mIndexBufferShadowBuffer = shadowBuffer; |
---|
| 1078 | } |
---|
| 1079 | //--------------------------------------------------------------------- |
---|
| 1080 | void Mesh::organiseTangentsBuffer(VertexData *vertexData, |
---|
| 1081 | VertexElementSemantic targetSemantic, unsigned short index, |
---|
| 1082 | unsigned short sourceTexCoordSet) |
---|
| 1083 | { |
---|
| 1084 | VertexDeclaration *vDecl = vertexData->vertexDeclaration ; |
---|
| 1085 | VertexBufferBinding *vBind = vertexData->vertexBufferBinding ; |
---|
| 1086 | |
---|
| 1087 | const VertexElement *tangentsElem = vDecl->findElementBySemantic(targetSemantic, index); |
---|
| 1088 | bool needsToBeCreated = false; |
---|
| 1089 | |
---|
| 1090 | if (!tangentsElem) |
---|
| 1091 | { // no tex coords with index 1 |
---|
| 1092 | needsToBeCreated = true ; |
---|
| 1093 | } |
---|
| 1094 | else if (tangentsElem->getType() != VET_FLOAT3) |
---|
| 1095 | { |
---|
| 1096 | // buffer exists, but not 3D |
---|
| 1097 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 1098 | "Target semantic set already exists but is not 3D, therefore " |
---|
| 1099 | "cannot contain tangents. Pick an alternative destination semantic. ", |
---|
| 1100 | "Mesh::organiseTangentsBuffer"); |
---|
| 1101 | } |
---|
| 1102 | |
---|
| 1103 | HardwareVertexBufferSharedPtr newBuffer; |
---|
| 1104 | if (needsToBeCreated) |
---|
| 1105 | { |
---|
| 1106 | // To be most efficient with our vertex streams, |
---|
| 1107 | // tack the new tangents onto the same buffer as the |
---|
| 1108 | // source texture coord set |
---|
| 1109 | const VertexElement* prevTexCoordElem = |
---|
| 1110 | vertexData->vertexDeclaration->findElementBySemantic( |
---|
| 1111 | VES_TEXTURE_COORDINATES, sourceTexCoordSet); |
---|
| 1112 | if (!prevTexCoordElem) |
---|
| 1113 | { |
---|
| 1114 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 1115 | "Cannot locate the first texture coordinate element to " |
---|
| 1116 | "which to append the new tangents.", |
---|
| 1117 | "Mesh::orgagniseTangentsBuffer"); |
---|
| 1118 | } |
---|
| 1119 | // Find the buffer associated with this element |
---|
| 1120 | HardwareVertexBufferSharedPtr origBuffer = |
---|
| 1121 | vertexData->vertexBufferBinding->getBuffer( |
---|
| 1122 | prevTexCoordElem->getSource()); |
---|
| 1123 | // Now create a new buffer, which includes the previous contents |
---|
| 1124 | // plus extra space for the 3D coords |
---|
| 1125 | newBuffer = HardwareBufferManager::getSingleton().createVertexBuffer( |
---|
| 1126 | origBuffer->getVertexSize() + 3*sizeof(float), |
---|
| 1127 | vertexData->vertexCount, |
---|
| 1128 | origBuffer->getUsage(), |
---|
| 1129 | origBuffer->hasShadowBuffer() ); |
---|
| 1130 | // Add the new element |
---|
| 1131 | vDecl->addElement( |
---|
| 1132 | prevTexCoordElem->getSource(), |
---|
| 1133 | origBuffer->getVertexSize(), |
---|
| 1134 | VET_FLOAT3, |
---|
| 1135 | targetSemantic, |
---|
| 1136 | index); |
---|
| 1137 | // Now copy the original data across |
---|
| 1138 | unsigned char* pSrc = static_cast<unsigned char*>( |
---|
| 1139 | origBuffer->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1140 | unsigned char* pDest = static_cast<unsigned char*>( |
---|
| 1141 | newBuffer->lock(HardwareBuffer::HBL_DISCARD)); |
---|
| 1142 | size_t vertSize = origBuffer->getVertexSize(); |
---|
| 1143 | for (size_t v = 0; v < vertexData->vertexCount; ++v) |
---|
| 1144 | { |
---|
| 1145 | // Copy original vertex data |
---|
| 1146 | memcpy(pDest, pSrc, vertSize); |
---|
| 1147 | pSrc += vertSize; |
---|
| 1148 | pDest += vertSize; |
---|
| 1149 | // Set the new part to 0 since we'll accumulate in this |
---|
| 1150 | memset(pDest, 0, sizeof(float)*3); |
---|
| 1151 | pDest += sizeof(float)*3; |
---|
| 1152 | } |
---|
| 1153 | origBuffer->unlock(); |
---|
| 1154 | newBuffer->unlock(); |
---|
| 1155 | |
---|
| 1156 | // Rebind the new buffer |
---|
| 1157 | vBind->setBinding(prevTexCoordElem->getSource(), newBuffer); |
---|
| 1158 | } |
---|
| 1159 | } |
---|
| 1160 | //--------------------------------------------------------------------- |
---|
| 1161 | void Mesh::buildTangentVectors(VertexElementSemantic targetSemantic, |
---|
| 1162 | unsigned short sourceTexCoordSet, unsigned short index) |
---|
| 1163 | { |
---|
| 1164 | if (index == 0 && targetSemantic == VES_TEXTURE_COORDINATES) |
---|
| 1165 | { |
---|
| 1166 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 1167 | "Destination texture coordinate set must be greater than 0", |
---|
| 1168 | "Mesh::buildTangentVectors"); |
---|
| 1169 | } |
---|
| 1170 | |
---|
| 1171 | // our temp. buffers |
---|
| 1172 | uint32 vertInd[3]; |
---|
| 1173 | Vector3 vertPos[3]; |
---|
| 1174 | Real u[3], v[3]; |
---|
| 1175 | // setup a new 3D texture coord-set buffer for every sub mesh |
---|
| 1176 | int nSubMesh = getNumSubMeshes(); |
---|
| 1177 | for (int sm = 0; sm < nSubMesh; sm++) |
---|
| 1178 | { |
---|
| 1179 | // retrieve buffer pointers |
---|
| 1180 | uint16 *pVIndices16 = NULL; // the face indices buffer, read only |
---|
| 1181 | uint32 *pVIndices32 = NULL; // the face indices buffer, read only |
---|
| 1182 | float *p2DTC; // pointer to 2D tex.coords, read only |
---|
| 1183 | float *p3DTC; // pointer to 3D tex.coords, write/read (discard) |
---|
| 1184 | float *pVPos; // vertex position buffer, read only |
---|
| 1185 | float *pVNorm; // vertex normal buffer, read only |
---|
| 1186 | |
---|
| 1187 | SubMesh *pSubMesh = getSubMesh(sm); |
---|
| 1188 | |
---|
| 1189 | // retrieve buffer pointers |
---|
| 1190 | // first, indices |
---|
| 1191 | IndexData *indexData = pSubMesh->indexData; |
---|
| 1192 | HardwareIndexBufferSharedPtr buffIndex = indexData->indexBuffer; |
---|
| 1193 | bool use32bit = false; |
---|
| 1194 | if (buffIndex->getType() == HardwareIndexBuffer::IT_32BIT) |
---|
| 1195 | { |
---|
| 1196 | pVIndices32 = static_cast<uint32*>( |
---|
| 1197 | buffIndex->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1198 | use32bit = true; |
---|
| 1199 | } |
---|
| 1200 | else |
---|
| 1201 | { |
---|
| 1202 | pVIndices16 = static_cast<uint16*>( |
---|
| 1203 | buffIndex->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1204 | } |
---|
| 1205 | // then, vertices |
---|
| 1206 | VertexData *usedVertexData ; |
---|
| 1207 | if (pSubMesh->useSharedVertices) { |
---|
| 1208 | usedVertexData = sharedVertexData; |
---|
| 1209 | } else { |
---|
| 1210 | usedVertexData = pSubMesh->vertexData; |
---|
| 1211 | } |
---|
| 1212 | VertexDeclaration *vDecl = usedVertexData->vertexDeclaration; |
---|
| 1213 | VertexBufferBinding *vBind = usedVertexData->vertexBufferBinding; |
---|
| 1214 | |
---|
| 1215 | |
---|
| 1216 | // make sure we have a 3D coord to place data in |
---|
| 1217 | organiseTangentsBuffer(usedVertexData, targetSemantic, index, sourceTexCoordSet); |
---|
| 1218 | |
---|
| 1219 | // Get the target element |
---|
| 1220 | const VertexElement* destElem = vDecl->findElementBySemantic( |
---|
| 1221 | targetSemantic, index); |
---|
| 1222 | // Get the source element |
---|
| 1223 | const VertexElement* srcElem = vDecl->findElementBySemantic( |
---|
| 1224 | VES_TEXTURE_COORDINATES, sourceTexCoordSet); |
---|
| 1225 | |
---|
| 1226 | if (!srcElem || srcElem->getType() != VET_FLOAT2) |
---|
| 1227 | { |
---|
| 1228 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 1229 | "SubMesh " + StringConverter::toString(sm) + " of Mesh " + mName + |
---|
| 1230 | " has no 2D texture coordinates at the selected set, therefore we cannot calculate tangents.", |
---|
| 1231 | "Mesh::buildTangentVectors"); |
---|
| 1232 | } |
---|
| 1233 | HardwareVertexBufferSharedPtr srcBuf, destBuf, posBuf, normBuf; |
---|
| 1234 | unsigned char *pSrcBase, *pDestBase, *pPosBase, *pNormBase; |
---|
| 1235 | size_t srcInc, destInc, posInc, normInc; |
---|
| 1236 | |
---|
| 1237 | srcBuf = vBind->getBuffer(srcElem->getSource()); |
---|
| 1238 | // Is the source and destination buffer the same? |
---|
| 1239 | if (srcElem->getSource() == destElem->getSource()) |
---|
| 1240 | { |
---|
| 1241 | // lock source for read and write |
---|
| 1242 | pSrcBase = static_cast<unsigned char*>( |
---|
| 1243 | srcBuf->lock(HardwareBuffer::HBL_NORMAL)); |
---|
| 1244 | srcInc = srcBuf->getVertexSize(); |
---|
| 1245 | pDestBase = pSrcBase; |
---|
| 1246 | destInc = srcInc; |
---|
| 1247 | } |
---|
| 1248 | else |
---|
| 1249 | { |
---|
| 1250 | pSrcBase = static_cast<unsigned char*>( |
---|
| 1251 | srcBuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1252 | srcInc = srcBuf->getVertexSize(); |
---|
| 1253 | destBuf = vBind->getBuffer(destElem->getSource()); |
---|
| 1254 | destInc = destBuf->getVertexSize(); |
---|
| 1255 | pDestBase = static_cast<unsigned char*>( |
---|
| 1256 | destBuf->lock(HardwareBuffer::HBL_NORMAL)); |
---|
| 1257 | } |
---|
| 1258 | |
---|
| 1259 | // find a vertex coord buffer |
---|
| 1260 | const VertexElement *elemVPos = vDecl->findElementBySemantic(VES_POSITION); |
---|
| 1261 | if (elemVPos->getSource() == srcElem->getSource()) |
---|
| 1262 | { |
---|
| 1263 | pPosBase = pSrcBase; |
---|
| 1264 | posInc = srcInc; |
---|
| 1265 | } |
---|
| 1266 | else if (elemVPos->getSource() == destElem->getSource()) |
---|
| 1267 | { |
---|
| 1268 | pPosBase = pDestBase; |
---|
| 1269 | posInc = destInc; |
---|
| 1270 | } |
---|
| 1271 | else |
---|
| 1272 | { |
---|
| 1273 | // A different buffer |
---|
| 1274 | posBuf = vBind->getBuffer(elemVPos->getSource()); |
---|
| 1275 | pPosBase = static_cast<unsigned char*>( |
---|
| 1276 | posBuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1277 | posInc = posBuf->getVertexSize(); |
---|
| 1278 | } |
---|
| 1279 | // find a normal buffer |
---|
| 1280 | const VertexElement *elemVNorm = vDecl->findElementBySemantic(VES_NORMAL); |
---|
| 1281 | if (!elemVNorm) |
---|
| 1282 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 1283 | "No VES_NORMAL vertex element found", |
---|
| 1284 | "Mesh::buildTangentVectors"); |
---|
| 1285 | |
---|
| 1286 | if (elemVNorm->getSource() == srcElem->getSource()) |
---|
| 1287 | { |
---|
| 1288 | pNormBase = pSrcBase; |
---|
| 1289 | normInc = srcInc; |
---|
| 1290 | } |
---|
| 1291 | else if (elemVNorm->getSource() == destElem->getSource()) |
---|
| 1292 | { |
---|
| 1293 | pNormBase = pDestBase; |
---|
| 1294 | normInc = destInc; |
---|
| 1295 | } |
---|
| 1296 | else if (elemVNorm->getSource() == elemVPos->getSource()) |
---|
| 1297 | { |
---|
| 1298 | // normals are in the same buffer as position |
---|
| 1299 | // this condition arises when an animated(skeleton) mesh is not built with |
---|
| 1300 | // an edge list buffer ie no shadows being used. |
---|
| 1301 | pNormBase = pPosBase; |
---|
| 1302 | normInc = posInc; |
---|
| 1303 | } |
---|
| 1304 | else |
---|
| 1305 | { |
---|
| 1306 | // A different buffer |
---|
| 1307 | normBuf = vBind->getBuffer(elemVNorm->getSource()); |
---|
| 1308 | pNormBase = static_cast<unsigned char*>( |
---|
| 1309 | normBuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1310 | normInc = normBuf->getVertexSize(); |
---|
| 1311 | } |
---|
| 1312 | |
---|
| 1313 | size_t numFaces = indexData->indexCount / 3 ; |
---|
| 1314 | |
---|
| 1315 | // loop through all faces to calculate the tangents and normals |
---|
| 1316 | size_t n; |
---|
| 1317 | for (n = 0; n < numFaces; ++n) |
---|
| 1318 | { |
---|
| 1319 | int i; |
---|
| 1320 | for (i = 0; i < 3; ++i) |
---|
| 1321 | { |
---|
| 1322 | // get indexes of vertices that form a polygon in the position buffer |
---|
| 1323 | if (use32bit) |
---|
| 1324 | { |
---|
| 1325 | vertInd[i] = *pVIndices32++; |
---|
| 1326 | } |
---|
| 1327 | else |
---|
| 1328 | { |
---|
| 1329 | vertInd[i] = *pVIndices16++; |
---|
| 1330 | } |
---|
| 1331 | // get the vertices positions from the position buffer |
---|
| 1332 | unsigned char* vBase = pPosBase + (posInc * vertInd[i]); |
---|
| 1333 | elemVPos->baseVertexPointerToElement(vBase, &pVPos); |
---|
| 1334 | vertPos[i].x = pVPos[0]; |
---|
| 1335 | vertPos[i].y = pVPos[1]; |
---|
| 1336 | vertPos[i].z = pVPos[2]; |
---|
| 1337 | // get the vertices tex.coords from the 2D tex.coords buffer |
---|
| 1338 | vBase = pSrcBase + (srcInc * vertInd[i]); |
---|
| 1339 | srcElem->baseVertexPointerToElement(vBase, &p2DTC); |
---|
| 1340 | u[i] = p2DTC[0]; |
---|
| 1341 | v[i] = p2DTC[1]; |
---|
| 1342 | } |
---|
| 1343 | // calculate the TSB |
---|
| 1344 | Vector3 tangent = Math::calculateTangentSpaceVector( |
---|
| 1345 | vertPos[0], vertPos[1], vertPos[2], |
---|
| 1346 | u[0], v[0], u[1], v[1], u[2], v[2]); |
---|
| 1347 | // write new tex.coords |
---|
| 1348 | // note we only write the tangent, not the binormal since we can calculate |
---|
| 1349 | // the binormal in the vertex program |
---|
| 1350 | for (i = 0; i < 3; ++i) |
---|
| 1351 | { |
---|
| 1352 | // write values (they must be 0 and we must add them so we can average |
---|
| 1353 | // all the contributions from all the faces |
---|
| 1354 | unsigned char* vBase = pDestBase + (destInc * vertInd[i]); |
---|
| 1355 | destElem->baseVertexPointerToElement(vBase, &p3DTC); |
---|
| 1356 | p3DTC[0] += tangent.x; |
---|
| 1357 | p3DTC[1] += tangent.y; |
---|
| 1358 | p3DTC[2] += tangent.z; |
---|
| 1359 | } |
---|
| 1360 | } |
---|
| 1361 | // now loop through all vertices and normalize them |
---|
| 1362 | size_t numVerts = usedVertexData->vertexCount ; |
---|
| 1363 | for (n = 0; n < numVerts; ++n) |
---|
| 1364 | { |
---|
| 1365 | destElem->baseVertexPointerToElement(pDestBase, &p3DTC); |
---|
| 1366 | // read the vertex |
---|
| 1367 | Vector3 temp(p3DTC[0], p3DTC[1], p3DTC[2]); |
---|
| 1368 | // Orthogonalise with the vertex normal since it's currently |
---|
| 1369 | // orthogonal with the face normals, but will be close to ortho |
---|
| 1370 | // with vertex normal |
---|
| 1371 | // Get normal |
---|
| 1372 | unsigned char* vBase = pNormBase + (normInc * n); |
---|
| 1373 | elemVNorm->baseVertexPointerToElement(vBase, &pVNorm); |
---|
| 1374 | Vector3 normal(pVNorm[0], pVNorm[1], pVNorm[2]); |
---|
| 1375 | // Apply Gram-Schmidt orthogonalise |
---|
| 1376 | temp = temp - (normal * normal.dotProduct(temp)); |
---|
| 1377 | |
---|
| 1378 | // normalize the vertex |
---|
| 1379 | temp.normalise(); |
---|
| 1380 | |
---|
| 1381 | // write it back |
---|
| 1382 | p3DTC[0] = temp.x; |
---|
| 1383 | p3DTC[1] = temp.y; |
---|
| 1384 | p3DTC[2] = temp.z; |
---|
| 1385 | |
---|
| 1386 | pDestBase += destInc; |
---|
| 1387 | } |
---|
| 1388 | // unlock buffers |
---|
| 1389 | srcBuf->unlock(); |
---|
| 1390 | if (!destBuf.isNull()) |
---|
| 1391 | { |
---|
| 1392 | destBuf->unlock(); |
---|
| 1393 | } |
---|
| 1394 | if (!posBuf.isNull()) |
---|
| 1395 | { |
---|
| 1396 | posBuf->unlock(); |
---|
| 1397 | } |
---|
| 1398 | if (!normBuf.isNull()) |
---|
| 1399 | { |
---|
| 1400 | normBuf->unlock(); |
---|
| 1401 | } |
---|
| 1402 | buffIndex->unlock(); |
---|
| 1403 | } |
---|
| 1404 | |
---|
| 1405 | } |
---|
| 1406 | |
---|
| 1407 | //--------------------------------------------------------------------- |
---|
| 1408 | bool Mesh::suggestTangentVectorBuildParams(VertexElementSemantic targetSemantic, |
---|
| 1409 | unsigned short& outSourceCoordSet, unsigned short& outIndex) |
---|
| 1410 | { |
---|
| 1411 | // Go through all the vertex data and locate source and dest (must agree) |
---|
| 1412 | bool sharedGeometryDone = false; |
---|
| 1413 | bool foundExisting = false; |
---|
| 1414 | VertexElementSemantic foundSemantic = VES_TEXTURE_COORDINATES; |
---|
| 1415 | bool firstOne = true; |
---|
| 1416 | SubMeshList::iterator i, iend; |
---|
| 1417 | iend = mSubMeshList.end(); |
---|
| 1418 | for (i = mSubMeshList.begin(); i != iend; ++i) |
---|
| 1419 | { |
---|
| 1420 | SubMesh* sm = *i; |
---|
| 1421 | VertexData* vertexData; |
---|
| 1422 | |
---|
| 1423 | if (sm->useSharedVertices) |
---|
| 1424 | { |
---|
| 1425 | if (sharedGeometryDone) |
---|
| 1426 | continue; |
---|
| 1427 | vertexData = sharedVertexData; |
---|
| 1428 | sharedGeometryDone = true; |
---|
| 1429 | } |
---|
| 1430 | else |
---|
| 1431 | { |
---|
| 1432 | vertexData = sm->vertexData; |
---|
| 1433 | } |
---|
| 1434 | |
---|
| 1435 | const VertexElement *sourceElem = 0; |
---|
| 1436 | unsigned short targetIndex = 0; |
---|
| 1437 | for (targetIndex = 0; targetIndex < OGRE_MAX_TEXTURE_COORD_SETS; ++targetIndex) |
---|
| 1438 | { |
---|
| 1439 | const VertexElement* testElem = |
---|
| 1440 | vertexData->vertexDeclaration->findElementBySemantic( |
---|
| 1441 | VES_TEXTURE_COORDINATES, targetIndex); |
---|
| 1442 | if (!testElem) |
---|
| 1443 | break; // finish if we've run out, t will be the target |
---|
| 1444 | |
---|
| 1445 | if (!sourceElem) |
---|
| 1446 | { |
---|
| 1447 | // We're still looking for the source texture coords |
---|
| 1448 | if (testElem->getType() == VET_FLOAT2) |
---|
| 1449 | { |
---|
| 1450 | // Ok, we found it |
---|
| 1451 | sourceElem = testElem; |
---|
| 1452 | } |
---|
| 1453 | } |
---|
| 1454 | else |
---|
| 1455 | { |
---|
| 1456 | // We're looking for the destination |
---|
| 1457 | // Check to see if we've found a possible |
---|
| 1458 | if (testElem->getType() == VET_FLOAT3) |
---|
| 1459 | { |
---|
| 1460 | // This is a 3D set, might be tangents |
---|
| 1461 | foundExisting = true; |
---|
| 1462 | foundSemantic = VES_TEXTURE_COORDINATES; |
---|
| 1463 | } |
---|
| 1464 | |
---|
| 1465 | } |
---|
| 1466 | |
---|
| 1467 | } |
---|
| 1468 | |
---|
| 1469 | if (!foundExisting && targetSemantic != VES_TEXTURE_COORDINATES) |
---|
| 1470 | { |
---|
| 1471 | targetIndex = 0; |
---|
| 1472 | // Look for existing semantic |
---|
| 1473 | const VertexElement* testElem = |
---|
| 1474 | vertexData->vertexDeclaration->findElementBySemantic( |
---|
| 1475 | targetSemantic, targetIndex); |
---|
| 1476 | if (testElem) |
---|
| 1477 | { |
---|
| 1478 | foundExisting = true; |
---|
| 1479 | foundSemantic = targetSemantic; |
---|
| 1480 | } |
---|
| 1481 | |
---|
| 1482 | } |
---|
| 1483 | |
---|
| 1484 | // After iterating, we should have a source and a possible destination (t) |
---|
| 1485 | if (!sourceElem) |
---|
| 1486 | { |
---|
| 1487 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 1488 | "Cannot locate an appropriate 2D texture coordinate set for " |
---|
| 1489 | "all the vertex data in this mesh to create tangents from. ", |
---|
| 1490 | "Mesh::suggestTangentVectorBuildParams"); |
---|
| 1491 | } |
---|
| 1492 | // Check that we agree with previous decisions, if this is not the |
---|
| 1493 | // first one |
---|
| 1494 | if (!firstOne) |
---|
| 1495 | { |
---|
| 1496 | if (sourceElem->getIndex() != outSourceCoordSet) |
---|
| 1497 | { |
---|
| 1498 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 1499 | "Multiple sets of vertex data in this mesh disagree on " |
---|
| 1500 | "the appropriate index to use for the source texture coordinates. " |
---|
| 1501 | "This ambiguity must be rectified before tangents can be generated.", |
---|
| 1502 | "Mesh::suggestTangentVectorBuildParams"); |
---|
| 1503 | } |
---|
| 1504 | if (targetIndex != outIndex) |
---|
| 1505 | { |
---|
| 1506 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 1507 | "Multiple sets of vertex data in this mesh disagree on " |
---|
| 1508 | "the appropriate index to use for the target texture coordinates. " |
---|
| 1509 | "This ambiguity must be rectified before tangents can be generated.", |
---|
| 1510 | "Mesh::suggestTangentVectorBuildParams"); |
---|
| 1511 | } |
---|
| 1512 | } |
---|
| 1513 | |
---|
| 1514 | // Otherwise, save this result |
---|
| 1515 | outSourceCoordSet = sourceElem->getIndex(); |
---|
| 1516 | outIndex = targetIndex; |
---|
| 1517 | |
---|
| 1518 | firstOne = false; |
---|
| 1519 | |
---|
| 1520 | } |
---|
| 1521 | |
---|
| 1522 | return foundExisting; |
---|
| 1523 | |
---|
| 1524 | } |
---|
| 1525 | //--------------------------------------------------------------------- |
---|
| 1526 | void Mesh::buildEdgeList(void) |
---|
| 1527 | { |
---|
| 1528 | if (mEdgeListsBuilt) |
---|
| 1529 | return; |
---|
| 1530 | |
---|
| 1531 | // Loop over LODs |
---|
| 1532 | for (unsigned int lodIndex = 0; lodIndex < mMeshLodUsageList.size(); ++lodIndex) |
---|
| 1533 | { |
---|
| 1534 | // use getLodLevel to enforce loading of manual mesh lods |
---|
| 1535 | MeshLodUsage& usage = const_cast<MeshLodUsage&>(getLodLevel(lodIndex)); |
---|
| 1536 | |
---|
| 1537 | bool atLeastOneIndexSet = false; |
---|
| 1538 | |
---|
| 1539 | if (mIsLodManual && lodIndex != 0) |
---|
| 1540 | { |
---|
| 1541 | // Delegate edge building to manual mesh |
---|
| 1542 | // It should have already built it's own edge list while loading |
---|
| 1543 | if (!usage.manualMesh.isNull()) |
---|
| 1544 | { |
---|
| 1545 | usage.edgeData = usage.manualMesh->getEdgeList(0); |
---|
| 1546 | } |
---|
| 1547 | } |
---|
| 1548 | else |
---|
| 1549 | { |
---|
| 1550 | // Build |
---|
| 1551 | EdgeListBuilder eb; |
---|
| 1552 | size_t vertexSetCount = 0; |
---|
| 1553 | |
---|
| 1554 | if (sharedVertexData) |
---|
| 1555 | { |
---|
| 1556 | eb.addVertexData(sharedVertexData); |
---|
| 1557 | vertexSetCount++; |
---|
| 1558 | } |
---|
| 1559 | |
---|
| 1560 | // Prepare the builder using the submesh information |
---|
| 1561 | SubMeshList::iterator i, iend; |
---|
| 1562 | iend = mSubMeshList.end(); |
---|
| 1563 | for (i = mSubMeshList.begin(); i != iend; ++i) |
---|
| 1564 | { |
---|
| 1565 | SubMesh* s = *i; |
---|
| 1566 | if (s->operationType != RenderOperation::OT_TRIANGLE_FAN && |
---|
| 1567 | s->operationType != RenderOperation::OT_TRIANGLE_LIST && |
---|
| 1568 | s->operationType != RenderOperation::OT_TRIANGLE_STRIP) |
---|
| 1569 | { |
---|
| 1570 | // Skip this submesh |
---|
| 1571 | continue; |
---|
| 1572 | } |
---|
| 1573 | if (s->useSharedVertices) |
---|
| 1574 | { |
---|
| 1575 | // Use shared vertex data, index as set 0 |
---|
| 1576 | if (lodIndex == 0) |
---|
| 1577 | { |
---|
| 1578 | eb.addIndexData(s->indexData, 0, s->operationType); |
---|
| 1579 | } |
---|
| 1580 | else |
---|
| 1581 | { |
---|
| 1582 | eb.addIndexData(s->mLodFaceList[lodIndex-1], 0, |
---|
| 1583 | s->operationType); |
---|
| 1584 | } |
---|
| 1585 | } |
---|
| 1586 | else |
---|
| 1587 | { |
---|
| 1588 | // own vertex data, add it and reference it directly |
---|
| 1589 | eb.addVertexData(s->vertexData); |
---|
| 1590 | if (lodIndex == 0) |
---|
| 1591 | { |
---|
| 1592 | // Base index data |
---|
| 1593 | eb.addIndexData(s->indexData, vertexSetCount++, |
---|
| 1594 | s->operationType); |
---|
| 1595 | } |
---|
| 1596 | else |
---|
| 1597 | { |
---|
| 1598 | // LOD index data |
---|
| 1599 | eb.addIndexData(s->mLodFaceList[lodIndex-1], |
---|
| 1600 | vertexSetCount++, s->operationType); |
---|
| 1601 | } |
---|
| 1602 | |
---|
| 1603 | } |
---|
| 1604 | atLeastOneIndexSet = true; |
---|
| 1605 | } |
---|
| 1606 | |
---|
| 1607 | if (atLeastOneIndexSet) |
---|
| 1608 | { |
---|
| 1609 | usage.edgeData = eb.build(); |
---|
| 1610 | |
---|
| 1611 | #if OGRE_DEBUG_MODE |
---|
| 1612 | // Override default log |
---|
| 1613 | Log* log = LogManager::getSingleton().createLog( |
---|
| 1614 | mName + "_lod" + StringConverter::toString(lodIndex) + |
---|
| 1615 | "_prepshadow.log", false, false); |
---|
| 1616 | usage.edgeData->log(log); |
---|
| 1617 | // clean up log & close file handle |
---|
| 1618 | LogManager::getSingleton().destroyLog(log); |
---|
| 1619 | #endif |
---|
| 1620 | } |
---|
| 1621 | |
---|
| 1622 | } |
---|
| 1623 | } |
---|
| 1624 | mEdgeListsBuilt = true; |
---|
| 1625 | } |
---|
| 1626 | //--------------------------------------------------------------------- |
---|
| 1627 | void Mesh::freeEdgeList(void) |
---|
| 1628 | { |
---|
| 1629 | if (!mEdgeListsBuilt) |
---|
| 1630 | return; |
---|
| 1631 | |
---|
| 1632 | // Loop over LODs |
---|
| 1633 | MeshLodUsageList::iterator i, iend; |
---|
| 1634 | iend = mMeshLodUsageList.end(); |
---|
| 1635 | unsigned short index = 0; |
---|
| 1636 | for (i = mMeshLodUsageList.begin(); i != iend; ++i, ++index) |
---|
| 1637 | { |
---|
| 1638 | MeshLodUsage& usage = *i; |
---|
| 1639 | |
---|
| 1640 | if (!mIsLodManual || index == 0) |
---|
| 1641 | { |
---|
| 1642 | // Only delete if we own this data |
---|
| 1643 | // Manual LODs > 0 own their own |
---|
| 1644 | delete usage.edgeData; |
---|
| 1645 | } |
---|
| 1646 | usage.edgeData = NULL; |
---|
| 1647 | } |
---|
| 1648 | |
---|
| 1649 | mEdgeListsBuilt = false; |
---|
| 1650 | } |
---|
| 1651 | //--------------------------------------------------------------------- |
---|
| 1652 | void Mesh::prepareForShadowVolume(void) |
---|
| 1653 | { |
---|
| 1654 | if (mPreparedForShadowVolumes) |
---|
| 1655 | return; |
---|
| 1656 | |
---|
| 1657 | if (sharedVertexData) |
---|
| 1658 | { |
---|
| 1659 | sharedVertexData->prepareForShadowVolume(); |
---|
| 1660 | } |
---|
| 1661 | SubMeshList::iterator i, iend; |
---|
| 1662 | iend = mSubMeshList.end(); |
---|
| 1663 | for (i = mSubMeshList.begin(); i != iend; ++i) |
---|
| 1664 | { |
---|
| 1665 | SubMesh* s = *i; |
---|
| 1666 | if (!s->useSharedVertices && |
---|
| 1667 | (s->operationType == RenderOperation::OT_TRIANGLE_FAN || |
---|
| 1668 | s->operationType == RenderOperation::OT_TRIANGLE_LIST || |
---|
| 1669 | s->operationType == RenderOperation::OT_TRIANGLE_STRIP)) |
---|
| 1670 | { |
---|
| 1671 | s->vertexData->prepareForShadowVolume(); |
---|
| 1672 | } |
---|
| 1673 | } |
---|
| 1674 | mPreparedForShadowVolumes = true; |
---|
| 1675 | } |
---|
| 1676 | //--------------------------------------------------------------------- |
---|
| 1677 | EdgeData* Mesh::getEdgeList(unsigned int lodIndex) |
---|
| 1678 | { |
---|
| 1679 | // Build edge list on demand |
---|
| 1680 | if (!mEdgeListsBuilt && mAutoBuildEdgeLists) |
---|
| 1681 | { |
---|
| 1682 | buildEdgeList(); |
---|
| 1683 | } |
---|
| 1684 | |
---|
| 1685 | return getLodLevel(lodIndex).edgeData; |
---|
| 1686 | } |
---|
| 1687 | //--------------------------------------------------------------------- |
---|
| 1688 | const EdgeData* Mesh::getEdgeList(unsigned int lodIndex) const |
---|
| 1689 | { |
---|
| 1690 | return getLodLevel(lodIndex).edgeData; |
---|
| 1691 | } |
---|
| 1692 | //--------------------------------------------------------------------- |
---|
| 1693 | void Mesh::prepareMatricesForVertexBlend(const Matrix4** blendMatrices, |
---|
| 1694 | const Matrix4* boneMatrices, const IndexMap& indexMap) |
---|
| 1695 | { |
---|
| 1696 | assert(indexMap.size() <= 256); |
---|
| 1697 | IndexMap::const_iterator it, itend; |
---|
| 1698 | itend = indexMap.end(); |
---|
| 1699 | for (it = indexMap.begin(); it != itend; ++it) |
---|
| 1700 | { |
---|
| 1701 | *blendMatrices++ = boneMatrices + *it; |
---|
| 1702 | } |
---|
| 1703 | } |
---|
| 1704 | //--------------------------------------------------------------------- |
---|
| 1705 | void Mesh::softwareVertexBlend(const VertexData* sourceVertexData, |
---|
| 1706 | const VertexData* targetVertexData, |
---|
| 1707 | const Matrix4* const* blendMatrices, size_t numMatrices, |
---|
| 1708 | bool blendNormals) |
---|
| 1709 | { |
---|
| 1710 | float *pSrcPos = 0; |
---|
| 1711 | float *pSrcNorm = 0; |
---|
| 1712 | float *pDestPos = 0; |
---|
| 1713 | float *pDestNorm = 0; |
---|
| 1714 | float *pBlendWeight = 0; |
---|
| 1715 | unsigned char* pBlendIdx = 0; |
---|
| 1716 | size_t srcPosStride = 0; |
---|
| 1717 | size_t srcNormStride = 0; |
---|
| 1718 | size_t destPosStride = 0; |
---|
| 1719 | size_t destNormStride = 0; |
---|
| 1720 | size_t blendWeightStride = 0; |
---|
| 1721 | size_t blendIdxStride = 0; |
---|
| 1722 | |
---|
| 1723 | |
---|
| 1724 | // Get elements for source |
---|
| 1725 | const VertexElement* srcElemPos = |
---|
| 1726 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
---|
| 1727 | const VertexElement* srcElemNorm = |
---|
| 1728 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_NORMAL); |
---|
| 1729 | const VertexElement* srcElemBlendIndices = |
---|
| 1730 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_BLEND_INDICES); |
---|
| 1731 | const VertexElement* srcElemBlendWeights = |
---|
| 1732 | sourceVertexData->vertexDeclaration->findElementBySemantic(VES_BLEND_WEIGHTS); |
---|
| 1733 | assert (srcElemPos && srcElemBlendIndices && srcElemBlendWeights && |
---|
| 1734 | "You must supply at least positions, blend indices and blend weights"); |
---|
| 1735 | // Get elements for target |
---|
| 1736 | const VertexElement* destElemPos = |
---|
| 1737 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
---|
| 1738 | const VertexElement* destElemNorm = |
---|
| 1739 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_NORMAL); |
---|
| 1740 | |
---|
| 1741 | // Do we have normals and want to blend them? |
---|
| 1742 | bool includeNormals = blendNormals && (srcElemNorm != NULL) && (destElemNorm != NULL); |
---|
| 1743 | |
---|
| 1744 | |
---|
| 1745 | // Get buffers for source |
---|
| 1746 | HardwareVertexBufferSharedPtr srcPosBuf, srcNormBuf, srcIdxBuf, srcWeightBuf; |
---|
| 1747 | srcPosBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemPos->getSource()); |
---|
| 1748 | srcPosStride = srcPosBuf->getVertexSize(); |
---|
| 1749 | srcIdxBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemBlendIndices->getSource()); |
---|
| 1750 | blendIdxStride = srcIdxBuf->getVertexSize(); |
---|
| 1751 | srcWeightBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemBlendWeights->getSource()); |
---|
| 1752 | blendWeightStride = srcWeightBuf->getVertexSize(); |
---|
| 1753 | if (includeNormals) |
---|
| 1754 | { |
---|
| 1755 | srcNormBuf = sourceVertexData->vertexBufferBinding->getBuffer(srcElemNorm->getSource()); |
---|
| 1756 | srcNormStride = srcNormBuf->getVertexSize(); |
---|
| 1757 | } |
---|
| 1758 | // Get buffers for target |
---|
| 1759 | HardwareVertexBufferSharedPtr destPosBuf, destNormBuf; |
---|
| 1760 | destPosBuf = targetVertexData->vertexBufferBinding->getBuffer(destElemPos->getSource()); |
---|
| 1761 | destPosStride = destPosBuf->getVertexSize(); |
---|
| 1762 | if (includeNormals) |
---|
| 1763 | { |
---|
| 1764 | destNormBuf = targetVertexData->vertexBufferBinding->getBuffer(destElemNorm->getSource()); |
---|
| 1765 | destNormStride = destNormBuf->getVertexSize(); |
---|
| 1766 | } |
---|
| 1767 | |
---|
| 1768 | void* pBuffer; |
---|
| 1769 | |
---|
| 1770 | // Lock source buffers for reading |
---|
| 1771 | pBuffer = srcPosBuf->lock(HardwareBuffer::HBL_READ_ONLY); |
---|
| 1772 | srcElemPos->baseVertexPointerToElement(pBuffer, &pSrcPos); |
---|
| 1773 | if (includeNormals) |
---|
| 1774 | { |
---|
| 1775 | if (srcNormBuf != srcPosBuf) |
---|
| 1776 | { |
---|
| 1777 | // Different buffer |
---|
| 1778 | pBuffer = srcNormBuf->lock(HardwareBuffer::HBL_READ_ONLY); |
---|
| 1779 | } |
---|
| 1780 | srcElemNorm->baseVertexPointerToElement(pBuffer, &pSrcNorm); |
---|
| 1781 | } |
---|
| 1782 | |
---|
| 1783 | // Indices must be 4 bytes |
---|
| 1784 | assert(srcElemBlendIndices->getType() == VET_UBYTE4 && |
---|
| 1785 | "Blend indices must be VET_UBYTE4"); |
---|
| 1786 | pBuffer = srcIdxBuf->lock(HardwareBuffer::HBL_READ_ONLY); |
---|
| 1787 | srcElemBlendIndices->baseVertexPointerToElement(pBuffer, &pBlendIdx); |
---|
| 1788 | if (srcWeightBuf != srcIdxBuf) |
---|
| 1789 | { |
---|
| 1790 | // Lock buffer |
---|
| 1791 | pBuffer = srcWeightBuf->lock(HardwareBuffer::HBL_READ_ONLY); |
---|
| 1792 | } |
---|
| 1793 | srcElemBlendWeights->baseVertexPointerToElement(pBuffer, &pBlendWeight); |
---|
| 1794 | unsigned short numWeightsPerVertex = |
---|
| 1795 | VertexElement::getTypeCount(srcElemBlendWeights->getType()); |
---|
| 1796 | |
---|
| 1797 | |
---|
| 1798 | // Lock destination buffers for writing |
---|
| 1799 | pBuffer = destPosBuf->lock( |
---|
| 1800 | (destNormBuf != destPosBuf && destPosBuf->getVertexSize() == destElemPos->getSize()) || |
---|
| 1801 | (destNormBuf == destPosBuf && destPosBuf->getVertexSize() == destElemPos->getSize() + destElemNorm->getSize()) ? |
---|
| 1802 | HardwareBuffer::HBL_DISCARD : HardwareBuffer::HBL_NORMAL); |
---|
| 1803 | destElemPos->baseVertexPointerToElement(pBuffer, &pDestPos); |
---|
| 1804 | if (includeNormals) |
---|
| 1805 | { |
---|
| 1806 | if (destNormBuf != destPosBuf) |
---|
| 1807 | { |
---|
| 1808 | pBuffer = destNormBuf->lock( |
---|
| 1809 | destNormBuf->getVertexSize() == destElemNorm->getSize() ? |
---|
| 1810 | HardwareBuffer::HBL_DISCARD : HardwareBuffer::HBL_NORMAL); |
---|
| 1811 | } |
---|
| 1812 | destElemNorm->baseVertexPointerToElement(pBuffer, &pDestNorm); |
---|
| 1813 | } |
---|
| 1814 | |
---|
| 1815 | OptimisedUtil::getImplementation()->softwareVertexSkinning( |
---|
| 1816 | pSrcPos, pDestPos, |
---|
| 1817 | pSrcNorm, pDestNorm, |
---|
| 1818 | pBlendWeight, pBlendIdx, |
---|
| 1819 | blendMatrices, |
---|
| 1820 | srcPosStride, destPosStride, |
---|
| 1821 | srcNormStride, destNormStride, |
---|
| 1822 | blendWeightStride, blendIdxStride, |
---|
| 1823 | numWeightsPerVertex, |
---|
| 1824 | targetVertexData->vertexCount); |
---|
| 1825 | |
---|
| 1826 | // Unlock source buffers |
---|
| 1827 | srcPosBuf->unlock(); |
---|
| 1828 | srcIdxBuf->unlock(); |
---|
| 1829 | if (srcWeightBuf != srcIdxBuf) |
---|
| 1830 | { |
---|
| 1831 | srcWeightBuf->unlock(); |
---|
| 1832 | } |
---|
| 1833 | if (includeNormals && srcNormBuf != srcPosBuf) |
---|
| 1834 | { |
---|
| 1835 | srcNormBuf->unlock(); |
---|
| 1836 | } |
---|
| 1837 | // Unlock destination buffers |
---|
| 1838 | destPosBuf->unlock(); |
---|
| 1839 | if (includeNormals && destNormBuf != destPosBuf) |
---|
| 1840 | { |
---|
| 1841 | destNormBuf->unlock(); |
---|
| 1842 | } |
---|
| 1843 | |
---|
| 1844 | } |
---|
| 1845 | //--------------------------------------------------------------------- |
---|
| 1846 | void Mesh::softwareVertexMorph(Real t, |
---|
| 1847 | const HardwareVertexBufferSharedPtr& b1, |
---|
| 1848 | const HardwareVertexBufferSharedPtr& b2, |
---|
| 1849 | VertexData* targetVertexData) |
---|
| 1850 | { |
---|
| 1851 | float* pb1 = static_cast<float*>(b1->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1852 | float* pb2; |
---|
| 1853 | if (b1.get() != b2.get()) |
---|
| 1854 | { |
---|
| 1855 | pb2 = static_cast<float*>(b2->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 1856 | } |
---|
| 1857 | else |
---|
| 1858 | { |
---|
| 1859 | // Same buffer - track with only one entry or time index exactly matching |
---|
| 1860 | // one keyframe |
---|
| 1861 | // For simplicity of main code, interpolate still but with same val |
---|
| 1862 | pb2 = pb1; |
---|
| 1863 | } |
---|
| 1864 | |
---|
| 1865 | const VertexElement* posElem = |
---|
| 1866 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
---|
| 1867 | assert(posElem); |
---|
| 1868 | HardwareVertexBufferSharedPtr destBuf = |
---|
| 1869 | targetVertexData->vertexBufferBinding->getBuffer( |
---|
| 1870 | posElem->getSource()); |
---|
| 1871 | assert(posElem->getSize() == destBuf->getVertexSize() && |
---|
| 1872 | "Positions must be in a buffer on their own for morphing"); |
---|
| 1873 | float* pdst = static_cast<float*>( |
---|
| 1874 | destBuf->lock(HardwareBuffer::HBL_DISCARD)); |
---|
| 1875 | |
---|
| 1876 | OptimisedUtil::getImplementation()->softwareVertexMorph( |
---|
| 1877 | t, pb1, pb2, pdst, |
---|
| 1878 | targetVertexData->vertexCount); |
---|
| 1879 | |
---|
| 1880 | destBuf->unlock(); |
---|
| 1881 | b1->unlock(); |
---|
| 1882 | if (b1.get() != b2.get()) |
---|
| 1883 | b2->unlock(); |
---|
| 1884 | } |
---|
| 1885 | //--------------------------------------------------------------------- |
---|
| 1886 | void Mesh::softwareVertexPoseBlend(Real weight, |
---|
| 1887 | const std::map<size_t, Vector3>& vertexOffsetMap, |
---|
| 1888 | VertexData* targetVertexData) |
---|
| 1889 | { |
---|
| 1890 | // Do nothing if no weight |
---|
| 1891 | if (weight == 0.0f) |
---|
| 1892 | return; |
---|
| 1893 | |
---|
| 1894 | const VertexElement* posElem = |
---|
| 1895 | targetVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
---|
| 1896 | assert(posElem); |
---|
| 1897 | HardwareVertexBufferSharedPtr destBuf = |
---|
| 1898 | targetVertexData->vertexBufferBinding->getBuffer( |
---|
| 1899 | posElem->getSource()); |
---|
| 1900 | assert(posElem->getSize() == destBuf->getVertexSize() && |
---|
| 1901 | "Positions must be in a buffer on their own for pose blending"); |
---|
| 1902 | |
---|
| 1903 | // Have to lock in normal mode since this is incremental |
---|
| 1904 | float* pBase = static_cast<float*>( |
---|
| 1905 | destBuf->lock(HardwareBuffer::HBL_NORMAL)); |
---|
| 1906 | |
---|
| 1907 | // Iterate over affected vertices |
---|
| 1908 | for (std::map<size_t, Vector3>::const_iterator i = vertexOffsetMap.begin(); |
---|
| 1909 | i != vertexOffsetMap.end(); ++i) |
---|
| 1910 | { |
---|
| 1911 | // Adjust pointer |
---|
| 1912 | float *pdst = pBase + i->first*3; |
---|
| 1913 | |
---|
| 1914 | *pdst = *pdst + (i->second.x * weight); |
---|
| 1915 | ++pdst; |
---|
| 1916 | *pdst = *pdst + (i->second.y * weight); |
---|
| 1917 | ++pdst; |
---|
| 1918 | *pdst = *pdst + (i->second.z * weight); |
---|
| 1919 | ++pdst; |
---|
| 1920 | |
---|
| 1921 | } |
---|
| 1922 | |
---|
| 1923 | destBuf->unlock(); |
---|
| 1924 | } |
---|
| 1925 | //--------------------------------------------------------------------- |
---|
| 1926 | size_t Mesh::calculateSize(void) const |
---|
| 1927 | { |
---|
| 1928 | // calculate GPU size |
---|
| 1929 | size_t ret = 0; |
---|
| 1930 | unsigned short i; |
---|
| 1931 | // Shared vertices |
---|
| 1932 | if (sharedVertexData) |
---|
| 1933 | { |
---|
| 1934 | for (i = 0; |
---|
| 1935 | i < sharedVertexData->vertexBufferBinding->getBufferCount(); |
---|
| 1936 | ++i) |
---|
| 1937 | { |
---|
| 1938 | ret += sharedVertexData->vertexBufferBinding |
---|
| 1939 | ->getBuffer(i)->getSizeInBytes(); |
---|
| 1940 | } |
---|
| 1941 | } |
---|
| 1942 | |
---|
| 1943 | SubMeshList::const_iterator si; |
---|
| 1944 | for (si = mSubMeshList.begin(); si != mSubMeshList.end(); ++si) |
---|
| 1945 | { |
---|
| 1946 | // Dedicated vertices |
---|
| 1947 | if (!(*si)->useSharedVertices) |
---|
| 1948 | { |
---|
| 1949 | for (i = 0; |
---|
| 1950 | i < (*si)->vertexData->vertexBufferBinding->getBufferCount(); |
---|
| 1951 | ++i) |
---|
| 1952 | { |
---|
| 1953 | ret += (*si)->vertexData->vertexBufferBinding |
---|
| 1954 | ->getBuffer(i)->getSizeInBytes(); |
---|
| 1955 | } |
---|
| 1956 | } |
---|
| 1957 | if (!(*si)->indexData->indexBuffer.isNull()) |
---|
| 1958 | { |
---|
| 1959 | // Index data |
---|
| 1960 | ret += (*si)->indexData->indexBuffer->getSizeInBytes(); |
---|
| 1961 | } |
---|
| 1962 | |
---|
| 1963 | } |
---|
| 1964 | return ret; |
---|
| 1965 | } |
---|
| 1966 | //----------------------------------------------------------------------------- |
---|
| 1967 | bool Mesh::hasVertexAnimation(void) const |
---|
| 1968 | { |
---|
| 1969 | return !mAnimationsList.empty(); |
---|
| 1970 | } |
---|
| 1971 | //--------------------------------------------------------------------- |
---|
| 1972 | VertexAnimationType Mesh::getSharedVertexDataAnimationType(void) const |
---|
| 1973 | { |
---|
| 1974 | if (mAnimationTypesDirty) |
---|
| 1975 | { |
---|
| 1976 | _determineAnimationTypes(); |
---|
| 1977 | } |
---|
| 1978 | |
---|
| 1979 | return mSharedVertexDataAnimationType; |
---|
| 1980 | } |
---|
| 1981 | //--------------------------------------------------------------------- |
---|
| 1982 | void Mesh::_determineAnimationTypes(void) const |
---|
| 1983 | { |
---|
| 1984 | // Don't check flag here; since detail checks on track changes are not |
---|
| 1985 | // done, allow caller to force if they need to |
---|
| 1986 | |
---|
| 1987 | // Initialise all types to nothing |
---|
| 1988 | mSharedVertexDataAnimationType = VAT_NONE; |
---|
| 1989 | for (SubMeshList::const_iterator i = mSubMeshList.begin(); |
---|
| 1990 | i != mSubMeshList.end(); ++i) |
---|
| 1991 | { |
---|
| 1992 | (*i)->mVertexAnimationType = VAT_NONE; |
---|
| 1993 | } |
---|
| 1994 | |
---|
| 1995 | // Scan all animations and determine the type of animation tracks |
---|
| 1996 | // relating to each vertex data |
---|
| 1997 | for(AnimationList::const_iterator ai = mAnimationsList.begin(); |
---|
| 1998 | ai != mAnimationsList.end(); ++ai) |
---|
| 1999 | { |
---|
| 2000 | Animation* anim = ai->second; |
---|
| 2001 | Animation::VertexTrackIterator vit = anim->getVertexTrackIterator(); |
---|
| 2002 | while (vit.hasMoreElements()) |
---|
| 2003 | { |
---|
| 2004 | VertexAnimationTrack* track = vit.getNext(); |
---|
| 2005 | ushort handle = track->getHandle(); |
---|
| 2006 | if (handle == 0) |
---|
| 2007 | { |
---|
| 2008 | // shared data |
---|
| 2009 | if (mSharedVertexDataAnimationType != VAT_NONE && |
---|
| 2010 | mSharedVertexDataAnimationType != 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 shared vertex data on mesh " |
---|
| 2015 | + mName + " try to mix vertex animation types, which is " |
---|
| 2016 | "not allowed.", |
---|
| 2017 | "Mesh::_determineAnimationTypes"); |
---|
| 2018 | } |
---|
| 2019 | mSharedVertexDataAnimationType = track->getAnimationType(); |
---|
| 2020 | } |
---|
| 2021 | else |
---|
| 2022 | { |
---|
| 2023 | // submesh index (-1) |
---|
| 2024 | SubMesh* sm = getSubMesh(handle-1); |
---|
| 2025 | if (sm->mVertexAnimationType != VAT_NONE && |
---|
| 2026 | sm->mVertexAnimationType != track->getAnimationType()) |
---|
| 2027 | { |
---|
| 2028 | // Mixing of morph and pose animation on same data is not allowed |
---|
| 2029 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 2030 | "Animation tracks for dedicated vertex data " |
---|
| 2031 | + StringConverter::toString(handle-1) + " on mesh " |
---|
| 2032 | + mName + " try to mix vertex animation types, which is " |
---|
| 2033 | "not allowed.", |
---|
| 2034 | "Mesh::_determineAnimationTypes"); |
---|
| 2035 | } |
---|
| 2036 | sm->mVertexAnimationType = track->getAnimationType(); |
---|
| 2037 | |
---|
| 2038 | } |
---|
| 2039 | } |
---|
| 2040 | } |
---|
| 2041 | |
---|
| 2042 | mAnimationTypesDirty = false; |
---|
| 2043 | } |
---|
| 2044 | //--------------------------------------------------------------------- |
---|
| 2045 | Animation* Mesh::createAnimation(const String& name, Real length) |
---|
| 2046 | { |
---|
| 2047 | // Check name not used |
---|
| 2048 | if (mAnimationsList.find(name) != mAnimationsList.end()) |
---|
| 2049 | { |
---|
| 2050 | OGRE_EXCEPT( |
---|
| 2051 | Exception::ERR_DUPLICATE_ITEM, |
---|
| 2052 | "An animation with the name " + name + " already exists", |
---|
| 2053 | "Mesh::createAnimation"); |
---|
| 2054 | } |
---|
| 2055 | |
---|
| 2056 | Animation* ret = new Animation(name, length); |
---|
| 2057 | |
---|
| 2058 | // Add to list |
---|
| 2059 | mAnimationsList[name] = ret; |
---|
| 2060 | |
---|
| 2061 | // Mark animation types dirty |
---|
| 2062 | mAnimationTypesDirty = true; |
---|
| 2063 | |
---|
| 2064 | return ret; |
---|
| 2065 | |
---|
| 2066 | } |
---|
| 2067 | //--------------------------------------------------------------------- |
---|
| 2068 | Animation* Mesh::getAnimation(const String& name) const |
---|
| 2069 | { |
---|
| 2070 | Animation* ret = _getAnimationImpl(name); |
---|
| 2071 | if (!ret) |
---|
| 2072 | { |
---|
| 2073 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 2074 | "No animation entry found named " + name, |
---|
| 2075 | "Mesh::getAnimation"); |
---|
| 2076 | } |
---|
| 2077 | |
---|
| 2078 | return ret; |
---|
| 2079 | } |
---|
| 2080 | //--------------------------------------------------------------------- |
---|
| 2081 | Animation* Mesh::getAnimation(unsigned short index) const |
---|
| 2082 | { |
---|
| 2083 | // If you hit this assert, then the index is out of bounds. |
---|
| 2084 | assert( index < mAnimationsList.size() ); |
---|
| 2085 | |
---|
| 2086 | AnimationList::const_iterator i = mAnimationsList.begin(); |
---|
| 2087 | |
---|
| 2088 | std::advance(i, index); |
---|
| 2089 | |
---|
| 2090 | return i->second; |
---|
| 2091 | |
---|
| 2092 | } |
---|
| 2093 | //--------------------------------------------------------------------- |
---|
| 2094 | unsigned short Mesh::getNumAnimations(void) const |
---|
| 2095 | { |
---|
| 2096 | return static_cast<unsigned short>(mAnimationsList.size()); |
---|
| 2097 | } |
---|
| 2098 | //--------------------------------------------------------------------- |
---|
| 2099 | bool Mesh::hasAnimation(const String& name) |
---|
| 2100 | { |
---|
| 2101 | return _getAnimationImpl(name) != 0; |
---|
| 2102 | } |
---|
| 2103 | //--------------------------------------------------------------------- |
---|
| 2104 | Animation* Mesh::_getAnimationImpl(const String& name) const |
---|
| 2105 | { |
---|
| 2106 | Animation* ret = 0; |
---|
| 2107 | AnimationList::const_iterator i = mAnimationsList.find(name); |
---|
| 2108 | |
---|
| 2109 | if (i != mAnimationsList.end()) |
---|
| 2110 | { |
---|
| 2111 | ret = i->second; |
---|
| 2112 | } |
---|
| 2113 | |
---|
| 2114 | return ret; |
---|
| 2115 | |
---|
| 2116 | } |
---|
| 2117 | //--------------------------------------------------------------------- |
---|
| 2118 | void Mesh::removeAnimation(const String& name) |
---|
| 2119 | { |
---|
| 2120 | AnimationList::iterator i = mAnimationsList.find(name); |
---|
| 2121 | |
---|
| 2122 | if (i == mAnimationsList.end()) |
---|
| 2123 | { |
---|
| 2124 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "No animation entry found named " + name, |
---|
| 2125 | "Mesh::getAnimation"); |
---|
| 2126 | } |
---|
| 2127 | |
---|
| 2128 | delete i->second; |
---|
| 2129 | |
---|
| 2130 | mAnimationsList.erase(i); |
---|
| 2131 | |
---|
| 2132 | mAnimationTypesDirty = true; |
---|
| 2133 | } |
---|
| 2134 | //--------------------------------------------------------------------- |
---|
| 2135 | void Mesh::removeAllAnimations(void) |
---|
| 2136 | { |
---|
| 2137 | AnimationList::iterator i = mAnimationsList.begin(); |
---|
| 2138 | for (; i != mAnimationsList.end(); ++i) |
---|
| 2139 | { |
---|
| 2140 | delete i->second; |
---|
| 2141 | } |
---|
| 2142 | mAnimationsList.clear(); |
---|
| 2143 | mAnimationTypesDirty = true; |
---|
| 2144 | } |
---|
| 2145 | //--------------------------------------------------------------------- |
---|
| 2146 | VertexData* Mesh::getVertexDataByTrackHandle(unsigned short handle) |
---|
| 2147 | { |
---|
| 2148 | if (handle == 0) |
---|
| 2149 | { |
---|
| 2150 | return sharedVertexData; |
---|
| 2151 | } |
---|
| 2152 | else |
---|
| 2153 | { |
---|
| 2154 | return getSubMesh(handle-1)->vertexData; |
---|
| 2155 | } |
---|
| 2156 | } |
---|
| 2157 | //--------------------------------------------------------------------- |
---|
| 2158 | Pose* Mesh::createPose(ushort target, const String& name) |
---|
| 2159 | { |
---|
| 2160 | Pose* retPose = new Pose(target, name); |
---|
| 2161 | mPoseList.push_back(retPose); |
---|
| 2162 | return retPose; |
---|
| 2163 | } |
---|
| 2164 | //--------------------------------------------------------------------- |
---|
| 2165 | Pose* Mesh::getPose(ushort index) |
---|
| 2166 | { |
---|
| 2167 | if (index >= getPoseCount()) |
---|
| 2168 | { |
---|
| 2169 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 2170 | "Index out of bounds", |
---|
| 2171 | "Mesh::getPose"); |
---|
| 2172 | } |
---|
| 2173 | |
---|
| 2174 | return mPoseList[index]; |
---|
| 2175 | |
---|
| 2176 | } |
---|
| 2177 | //--------------------------------------------------------------------- |
---|
| 2178 | Pose* Mesh::getPose(const String& name) |
---|
| 2179 | { |
---|
| 2180 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i) |
---|
| 2181 | { |
---|
| 2182 | if ((*i)->getName() == name) |
---|
| 2183 | return *i; |
---|
| 2184 | } |
---|
| 2185 | StringUtil::StrStreamType str; |
---|
| 2186 | str << "No pose called " << name << " found in Mesh " << mName; |
---|
| 2187 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 2188 | str.str(), |
---|
| 2189 | "Mesh::getPose"); |
---|
| 2190 | |
---|
| 2191 | } |
---|
| 2192 | //--------------------------------------------------------------------- |
---|
| 2193 | void Mesh::removePose(ushort index) |
---|
| 2194 | { |
---|
| 2195 | if (index >= getPoseCount()) |
---|
| 2196 | { |
---|
| 2197 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, |
---|
| 2198 | "Index out of bounds", |
---|
| 2199 | "Mesh::removePose"); |
---|
| 2200 | } |
---|
| 2201 | PoseList::iterator i = mPoseList.begin(); |
---|
| 2202 | std::advance(i, index); |
---|
| 2203 | delete *i; |
---|
| 2204 | mPoseList.erase(i); |
---|
| 2205 | |
---|
| 2206 | } |
---|
| 2207 | //--------------------------------------------------------------------- |
---|
| 2208 | void Mesh::removePose(const String& name) |
---|
| 2209 | { |
---|
| 2210 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i) |
---|
| 2211 | { |
---|
| 2212 | if ((*i)->getName() == name) |
---|
| 2213 | { |
---|
| 2214 | delete *i; |
---|
| 2215 | mPoseList.erase(i); |
---|
| 2216 | return; |
---|
| 2217 | } |
---|
| 2218 | } |
---|
| 2219 | StringUtil::StrStreamType str; |
---|
| 2220 | str << "No pose called " << name << " found in Mesh " << mName; |
---|
| 2221 | OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, |
---|
| 2222 | str.str(), |
---|
| 2223 | "Mesh::removePose"); |
---|
| 2224 | } |
---|
| 2225 | //--------------------------------------------------------------------- |
---|
| 2226 | void Mesh::removeAllPoses(void) |
---|
| 2227 | { |
---|
| 2228 | for (PoseList::iterator i = mPoseList.begin(); i != mPoseList.end(); ++i) |
---|
| 2229 | { |
---|
| 2230 | delete *i; |
---|
| 2231 | } |
---|
| 2232 | mPoseList.clear(); |
---|
| 2233 | } |
---|
| 2234 | //--------------------------------------------------------------------- |
---|
| 2235 | Mesh::PoseIterator Mesh::getPoseIterator(void) |
---|
| 2236 | { |
---|
| 2237 | return PoseIterator(mPoseList.begin(), mPoseList.end()); |
---|
| 2238 | } |
---|
| 2239 | //--------------------------------------------------------------------- |
---|
| 2240 | Mesh::ConstPoseIterator Mesh::getPoseIterator(void) const |
---|
| 2241 | { |
---|
| 2242 | return ConstPoseIterator(mPoseList.begin(), mPoseList.end()); |
---|
| 2243 | } |
---|
| 2244 | //----------------------------------------------------------------------------- |
---|
| 2245 | const PoseList& Mesh::getPoseList(void) const |
---|
| 2246 | { |
---|
| 2247 | return mPoseList; |
---|
| 2248 | } |
---|
| 2249 | //--------------------------------------------------------------------- |
---|
| 2250 | void Mesh::updateMaterialForAllSubMeshes(void) |
---|
| 2251 | { |
---|
| 2252 | // iterate through each sub mesh and request the submesh to update its material |
---|
| 2253 | std::vector<SubMesh*>::iterator subi; |
---|
| 2254 | for (subi = mSubMeshList.begin(); subi != mSubMeshList.end(); ++subi) |
---|
| 2255 | { |
---|
| 2256 | (*subi)->updateMaterialUsingTextureAliases(); |
---|
| 2257 | } |
---|
| 2258 | |
---|
| 2259 | } |
---|
| 2260 | //--------------------------------------------------------------------- |
---|
| 2261 | |
---|
| 2262 | } |
---|
| 2263 | |
---|