[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 "OgreSubEntity.h" |
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| 31 | |
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| 32 | #include "OgreEntity.h" |
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| 33 | #include "OgreSkeletonInstance.h" |
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| 34 | #include "OgreSceneManager.h" |
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| 35 | #include "OgreMaterialManager.h" |
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| 36 | #include "OgreSubMesh.h" |
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| 37 | #include "OgreTagPoint.h" |
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| 38 | #include "OgreLogManager.h" |
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| 39 | #include "OgreMesh.h" |
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| 40 | #include "OgreException.h" |
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| 41 | #include "OgreCamera.h" |
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| 42 | |
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| 43 | namespace Ogre { |
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| 44 | //----------------------------------------------------------------------- |
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| 45 | SubEntity::SubEntity (Entity* parent, SubMesh* subMeshBasis) |
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| 46 | : Renderable(), mParentEntity(parent), mMaterialName("BaseWhite"), |
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| 47 | mSubMesh(subMeshBasis), mCachedCamera(0) |
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| 48 | { |
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| 49 | mpMaterial = MaterialManager::getSingleton().getByName(mMaterialName); |
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| 50 | mMaterialLodIndex = 0; |
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| 51 | mVisible = true; |
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| 52 | mSkelAnimVertexData = 0; |
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| 53 | mSoftwareVertexAnimVertexData = 0; |
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| 54 | mHardwareVertexAnimVertexData = 0; |
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| 55 | mHardwarePoseCount = 0; |
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| 56 | |
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| 57 | |
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| 58 | |
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| 59 | } |
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| 60 | //----------------------------------------------------------------------- |
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| 61 | SubEntity::~SubEntity() |
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| 62 | { |
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| 63 | if (mSkelAnimVertexData) |
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| 64 | delete mSkelAnimVertexData; |
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| 65 | if (mHardwareVertexAnimVertexData) |
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| 66 | delete mHardwareVertexAnimVertexData; |
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| 67 | if (mSoftwareVertexAnimVertexData) |
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| 68 | delete mSoftwareVertexAnimVertexData; |
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| 69 | } |
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| 70 | //----------------------------------------------------------------------- |
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| 71 | SubMesh* SubEntity::getSubMesh(void) |
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| 72 | { |
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| 73 | return mSubMesh; |
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| 74 | } |
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| 75 | //----------------------------------------------------------------------- |
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| 76 | const String& SubEntity::getMaterialName(void) const |
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| 77 | { |
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| 78 | return mMaterialName; |
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| 79 | } |
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| 80 | //----------------------------------------------------------------------- |
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| 81 | void SubEntity::setMaterialName( const String& name) |
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| 82 | { |
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| 83 | |
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| 84 | //String oldName = mMaterialName; |
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| 85 | mMaterialName = name; |
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| 86 | mpMaterial = MaterialManager::getSingleton().getByName(mMaterialName); |
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| 87 | |
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| 88 | if (mpMaterial.isNull()) |
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| 89 | { |
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| 90 | LogManager::getSingleton().logMessage("Can't assign material " + name + |
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| 91 | " to SubEntity of " + mParentEntity->getName() + " because this " |
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| 92 | "Material does not exist. Have you forgotten to define it in a " |
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| 93 | ".material script?"); |
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| 94 | mpMaterial = MaterialManager::getSingleton().getByName("BaseWhite"); |
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| 95 | if (mpMaterial.isNull()) |
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| 96 | { |
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| 97 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Can't assign default material " |
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| 98 | "to SubEntity of " + mParentEntity->getName() + ". Did " |
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| 99 | "you forget to call MaterialManager::initialise()?", |
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| 100 | "SubEntity.setMaterialName"); |
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| 101 | } |
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| 102 | } |
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| 103 | // Ensure new material loaded (will not load again if already loaded) |
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| 104 | mpMaterial->load(); |
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| 105 | |
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| 106 | // tell parent to reconsider material vertex processing options |
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| 107 | mParentEntity->reevaluateVertexProcessing(); |
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| 108 | |
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| 109 | |
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| 110 | } |
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| 111 | //----------------------------------------------------------------------- |
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| 112 | const MaterialPtr& SubEntity::getMaterial(void) const |
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| 113 | { |
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| 114 | return mpMaterial; |
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| 115 | } |
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| 116 | //----------------------------------------------------------------------- |
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| 117 | Technique* SubEntity::getTechnique(void) const |
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| 118 | { |
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| 119 | return mpMaterial->getBestTechnique(mMaterialLodIndex); |
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| 120 | } |
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| 121 | //----------------------------------------------------------------------- |
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| 122 | void SubEntity::getRenderOperation(RenderOperation& op) |
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| 123 | { |
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| 124 | // Use LOD |
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| 125 | mSubMesh->_getRenderOperation(op, mParentEntity->mMeshLodIndex); |
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| 126 | // Deal with any vertex data overrides |
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| 127 | op.vertexData = getVertexDataForBinding(); |
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| 128 | |
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| 129 | } |
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| 130 | //----------------------------------------------------------------------- |
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| 131 | VertexData* SubEntity::getVertexDataForBinding(void) |
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| 132 | { |
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| 133 | if (mSubMesh->useSharedVertices) |
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| 134 | { |
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| 135 | return mParentEntity->getVertexDataForBinding(); |
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| 136 | } |
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| 137 | else |
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| 138 | { |
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| 139 | Entity::VertexDataBindChoice c = |
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| 140 | mParentEntity->chooseVertexDataForBinding( |
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| 141 | mSubMesh->getVertexAnimationType() != VAT_NONE); |
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| 142 | switch(c) |
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| 143 | { |
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| 144 | case Entity::BIND_ORIGINAL: |
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| 145 | return mSubMesh->vertexData; |
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| 146 | case Entity::BIND_HARDWARE_MORPH: |
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| 147 | return mHardwareVertexAnimVertexData; |
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| 148 | case Entity::BIND_SOFTWARE_MORPH: |
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| 149 | return mSoftwareVertexAnimVertexData; |
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| 150 | case Entity::BIND_SOFTWARE_SKELETAL: |
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| 151 | return mSkelAnimVertexData; |
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| 152 | }; |
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| 153 | // keep compiler happy |
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| 154 | return mSubMesh->vertexData; |
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| 155 | |
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| 156 | } |
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| 157 | } |
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| 158 | //----------------------------------------------------------------------- |
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| 159 | void SubEntity::getWorldTransforms(Matrix4* xform) const |
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| 160 | { |
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| 161 | if (!mParentEntity->mNumBoneMatrices || |
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| 162 | !mParentEntity->isHardwareAnimationEnabled()) |
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| 163 | { |
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| 164 | // No skeletal animation, or software skinning |
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| 165 | *xform = mParentEntity->_getParentNodeFullTransform(); |
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| 166 | } |
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| 167 | else |
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| 168 | { |
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| 169 | // Hardware skinning, pass all actually used matrices |
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| 170 | const Mesh::IndexMap& indexMap = mSubMesh->useSharedVertices ? |
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| 171 | mSubMesh->parent->sharedBlendIndexToBoneIndexMap : mSubMesh->blendIndexToBoneIndexMap; |
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| 172 | assert(indexMap.size() <= mParentEntity->mNumBoneMatrices); |
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| 173 | |
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| 174 | if (mParentEntity->_isSkeletonAnimated()) |
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| 175 | { |
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| 176 | // Bones, use cached matrices built when Entity::_updateRenderQueue was called |
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| 177 | assert(mParentEntity->mBoneWorldMatrices); |
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| 178 | |
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| 179 | Mesh::IndexMap::const_iterator it, itend; |
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| 180 | itend = indexMap.end(); |
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| 181 | for (it = indexMap.begin(); it != itend; ++it, ++xform) |
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| 182 | { |
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| 183 | *xform = mParentEntity->mBoneWorldMatrices[*it]; |
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| 184 | } |
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| 185 | } |
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| 186 | else |
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| 187 | { |
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| 188 | // All animations disabled, use parent entity world transform only |
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| 189 | std::fill_n(xform, indexMap.size(), mParentEntity->_getParentNodeFullTransform()); |
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| 190 | } |
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| 191 | } |
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| 192 | } |
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| 193 | //----------------------------------------------------------------------- |
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| 194 | const Quaternion& SubEntity::getWorldOrientation(void) const |
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| 195 | { |
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| 196 | return mParentEntity->mParentNode->_getDerivedOrientation(); |
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| 197 | } |
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| 198 | //----------------------------------------------------------------------- |
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| 199 | const Vector3& SubEntity::getWorldPosition(void) const |
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| 200 | { |
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| 201 | return mParentEntity->mParentNode->_getDerivedPosition(); |
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| 202 | } |
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| 203 | |
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| 204 | //----------------------------------------------------------------------- |
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| 205 | unsigned short SubEntity::getNumWorldTransforms(void) const |
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| 206 | { |
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| 207 | if (!mParentEntity->mNumBoneMatrices || |
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| 208 | !mParentEntity->isHardwareAnimationEnabled()) |
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| 209 | { |
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| 210 | // No skeletal animation, or software skinning |
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| 211 | return 1; |
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| 212 | } |
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| 213 | else |
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| 214 | { |
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| 215 | // Hardware skinning, pass all actually used matrices |
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| 216 | const Mesh::IndexMap& indexMap = mSubMesh->useSharedVertices ? |
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| 217 | mSubMesh->parent->sharedBlendIndexToBoneIndexMap : mSubMesh->blendIndexToBoneIndexMap; |
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| 218 | assert(indexMap.size() <= mParentEntity->mNumBoneMatrices); |
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| 219 | |
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| 220 | return static_cast<unsigned short>(indexMap.size()); |
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| 221 | } |
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| 222 | } |
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| 223 | //----------------------------------------------------------------------- |
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| 224 | Real SubEntity::getSquaredViewDepth(const Camera* cam) const |
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| 225 | { |
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| 226 | // First of all, check the cached value |
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| 227 | // NB this is manually invalidated by parent each _notifyCurrentCamera call |
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| 228 | // Done this here rather than there since we only need this for transparent objects |
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| 229 | if (mCachedCamera == cam) |
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| 230 | return mCachedCameraDist; |
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| 231 | |
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| 232 | Node* n = mParentEntity->getParentNode(); |
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| 233 | assert(n); |
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| 234 | Real dist; |
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| 235 | if (!mSubMesh->extremityPoints.empty()) |
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| 236 | { |
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| 237 | const Vector3 &cp = cam->getDerivedPosition(); |
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| 238 | const Matrix4 &l2w = mParentEntity->_getParentNodeFullTransform(); |
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| 239 | dist = std::numeric_limits<Real>::infinity(); |
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| 240 | for (std::vector<Vector3>::const_iterator i = mSubMesh->extremityPoints.begin(); |
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| 241 | i != mSubMesh->extremityPoints.end (); ++i) |
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| 242 | { |
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| 243 | Vector3 v = l2w * (*i); |
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| 244 | Real d = (v - cp).squaredLength(); |
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| 245 | |
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| 246 | dist = std::min(d, dist); |
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| 247 | } |
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| 248 | } |
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| 249 | else |
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| 250 | dist = n->getSquaredViewDepth(cam); |
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| 251 | |
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| 252 | mCachedCameraDist = dist; |
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| 253 | mCachedCamera = cam; |
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| 254 | |
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| 255 | return dist; |
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| 256 | } |
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| 257 | //----------------------------------------------------------------------- |
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| 258 | bool SubEntity::getNormaliseNormals(void) const |
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| 259 | { |
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| 260 | return mParentEntity->mNormaliseNormals; |
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| 261 | } |
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| 262 | //----------------------------------------------------------------------- |
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| 263 | const LightList& SubEntity::getLights(void) const |
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| 264 | { |
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| 265 | return mParentEntity->queryLights(); |
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| 266 | } |
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| 267 | //----------------------------------------------------------------------- |
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| 268 | void SubEntity::setVisible(bool visible) |
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| 269 | { |
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| 270 | mVisible = visible; |
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| 271 | } |
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| 272 | //----------------------------------------------------------------------- |
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| 273 | bool SubEntity::isVisible(void) const |
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| 274 | { |
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| 275 | return mVisible; |
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| 276 | |
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| 277 | } |
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| 278 | //----------------------------------------------------------------------- |
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| 279 | void SubEntity::prepareTempBlendBuffers(void) |
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| 280 | { |
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| 281 | if (mSubMesh->useSharedVertices) |
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| 282 | return; |
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| 283 | |
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| 284 | if (mSkelAnimVertexData) |
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| 285 | { |
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| 286 | delete mSkelAnimVertexData; |
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| 287 | mSkelAnimVertexData = 0; |
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| 288 | } |
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| 289 | if (mSoftwareVertexAnimVertexData) |
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| 290 | { |
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| 291 | delete mSoftwareVertexAnimVertexData; |
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| 292 | mSoftwareVertexAnimVertexData = 0; |
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| 293 | } |
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| 294 | if (mHardwareVertexAnimVertexData) |
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| 295 | { |
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| 296 | delete mHardwareVertexAnimVertexData; |
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| 297 | mHardwareVertexAnimVertexData = 0; |
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| 298 | } |
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| 299 | |
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| 300 | if (!mSubMesh->useSharedVertices) |
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| 301 | { |
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| 302 | if (mSubMesh->getVertexAnimationType() != VAT_NONE) |
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| 303 | { |
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| 304 | // Create temporary vertex blend info |
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| 305 | // Prepare temp vertex data if needed |
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| 306 | // Clone without copying data, don't remove any blending info |
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| 307 | // (since if we skeletally animate too, we need it) |
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| 308 | mSoftwareVertexAnimVertexData = mSubMesh->vertexData->clone(false); |
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| 309 | mParentEntity->extractTempBufferInfo(mSoftwareVertexAnimVertexData, &mTempVertexAnimInfo); |
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| 310 | |
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| 311 | // Also clone for hardware usage, don't remove blend info since we'll |
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| 312 | // need it if we also hardware skeletally animate |
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| 313 | mHardwareVertexAnimVertexData = mSubMesh->vertexData->clone(false); |
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| 314 | } |
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| 315 | |
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| 316 | if (mParentEntity->hasSkeleton()) |
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| 317 | { |
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| 318 | // Create temporary vertex blend info |
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| 319 | // Prepare temp vertex data if needed |
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| 320 | // Clone without copying data, remove blending info |
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| 321 | // (since blend is performed in software) |
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| 322 | mSkelAnimVertexData = |
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| 323 | mParentEntity->cloneVertexDataRemoveBlendInfo(mSubMesh->vertexData); |
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| 324 | mParentEntity->extractTempBufferInfo(mSkelAnimVertexData, &mTempSkelAnimInfo); |
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| 325 | |
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| 326 | } |
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| 327 | } |
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| 328 | } |
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| 329 | //----------------------------------------------------------------------- |
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| 330 | bool SubEntity::getCastsShadows(void) const |
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| 331 | { |
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| 332 | return mParentEntity->getCastShadows(); |
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| 333 | } |
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| 334 | //----------------------------------------------------------------------- |
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| 335 | VertexData* SubEntity::_getSkelAnimVertexData(void) |
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| 336 | { |
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| 337 | assert (mSkelAnimVertexData && "Not software skinned or has no dedicated geometry!"); |
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| 338 | return mSkelAnimVertexData; |
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| 339 | } |
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| 340 | //----------------------------------------------------------------------- |
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| 341 | VertexData* SubEntity::_getSoftwareVertexAnimVertexData(void) |
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| 342 | { |
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| 343 | assert (mSoftwareVertexAnimVertexData && "Not vertex animated or has no dedicated geometry!"); |
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| 344 | return mSoftwareVertexAnimVertexData; |
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| 345 | } |
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| 346 | //----------------------------------------------------------------------- |
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| 347 | VertexData* SubEntity::_getHardwareVertexAnimVertexData(void) |
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| 348 | { |
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| 349 | assert (mHardwareVertexAnimVertexData && "Not vertex animated or has no dedicated geometry!"); |
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| 350 | return mHardwareVertexAnimVertexData; |
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| 351 | } |
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| 352 | //----------------------------------------------------------------------- |
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| 353 | TempBlendedBufferInfo* SubEntity::_getSkelAnimTempBufferInfo(void) |
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| 354 | { |
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| 355 | return &mTempSkelAnimInfo; |
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| 356 | } |
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| 357 | //----------------------------------------------------------------------- |
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| 358 | TempBlendedBufferInfo* SubEntity::_getVertexAnimTempBufferInfo(void) |
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| 359 | { |
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| 360 | return &mTempVertexAnimInfo; |
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| 361 | } |
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| 362 | //----------------------------------------------------------------------- |
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| 363 | void SubEntity::_updateCustomGpuParameter( |
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| 364 | const GpuProgramParameters::AutoConstantEntry& constantEntry, |
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| 365 | GpuProgramParameters* params) const |
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| 366 | { |
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| 367 | if (constantEntry.paramType == GpuProgramParameters::ACT_ANIMATION_PARAMETRIC) |
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| 368 | { |
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| 369 | // Set up to 4 values, or up to limit of hardware animation entries |
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| 370 | // Pack into 4-element constants offset based on constant data index |
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| 371 | // If there are more than 4 entries, this will be called more than once |
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| 372 | Vector4 val(0.0f,0.0f,0.0f,0.0f); |
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| 373 | |
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| 374 | size_t animIndex = constantEntry.data * 4; |
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| 375 | for (size_t i = 0; i < 4 && |
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| 376 | animIndex < mHardwareVertexAnimVertexData->hwAnimationDataList.size(); |
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| 377 | ++i, ++animIndex) |
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| 378 | { |
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| 379 | val[i] = |
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| 380 | mHardwareVertexAnimVertexData->hwAnimationDataList[animIndex].parametric; |
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| 381 | } |
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| 382 | // set the parametric morph value |
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| 383 | params->_writeRawConstant(constantEntry.physicalIndex, val); |
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| 384 | } |
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| 385 | else |
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| 386 | { |
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| 387 | // default |
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| 388 | return Renderable::_updateCustomGpuParameter(constantEntry, params); |
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| 389 | } |
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| 390 | } |
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| 391 | //----------------------------------------------------------------------------- |
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| 392 | void SubEntity::_markBuffersUnusedForAnimation(void) |
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| 393 | { |
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| 394 | mVertexAnimationAppliedThisFrame = false; |
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| 395 | } |
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| 396 | //----------------------------------------------------------------------------- |
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| 397 | void SubEntity::_markBuffersUsedForAnimation(void) |
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| 398 | { |
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| 399 | mVertexAnimationAppliedThisFrame = true; |
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| 400 | } |
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| 401 | //----------------------------------------------------------------------------- |
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| 402 | void SubEntity::_restoreBuffersForUnusedAnimation(bool hardwareAnimation) |
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| 403 | { |
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| 404 | // Rebind original positions if: |
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| 405 | // We didn't apply any animation and |
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| 406 | // We're morph animated (hardware binds keyframe, software is missing) |
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| 407 | // or we're pose animated and software (hardware is fine, still bound) |
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| 408 | if (mSubMesh->getVertexAnimationType() != VAT_NONE && |
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| 409 | !mSubMesh->useSharedVertices && |
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| 410 | !mVertexAnimationAppliedThisFrame && |
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| 411 | (!hardwareAnimation || mSubMesh->getVertexAnimationType() == VAT_MORPH)) |
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| 412 | { |
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| 413 | const VertexElement* srcPosElem = |
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| 414 | mSubMesh->vertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
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| 415 | HardwareVertexBufferSharedPtr srcBuf = |
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| 416 | mSubMesh->vertexData->vertexBufferBinding->getBuffer( |
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| 417 | srcPosElem->getSource()); |
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| 418 | |
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| 419 | // Bind to software |
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| 420 | const VertexElement* destPosElem = |
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| 421 | mSoftwareVertexAnimVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION); |
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| 422 | mSoftwareVertexAnimVertexData->vertexBufferBinding->setBinding( |
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| 423 | destPosElem->getSource(), srcBuf); |
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| 424 | |
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| 425 | } |
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| 426 | |
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| 427 | // rebind any missing hardware pose buffers |
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| 428 | // Caused by not having any animations enabled, or keyframes which reference |
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| 429 | // no poses |
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| 430 | if (!mSubMesh->useSharedVertices && hardwareAnimation |
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| 431 | && mSubMesh->getVertexAnimationType() == VAT_POSE) |
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| 432 | { |
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| 433 | mParentEntity->bindMissingHardwarePoseBuffers( |
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| 434 | mSubMesh->vertexData, mHardwareVertexAnimVertexData); |
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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 | } |
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