[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 | #include "OgreSubEntity.h"
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| 27 |
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| 28 | #include "OgreEntity.h"
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| 29 | #include "OgreSkeletonInstance.h"
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| 30 | #include "OgreSceneManager.h"
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| 31 | #include "OgreMaterialManager.h"
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| 32 | #include "OgreSubMesh.h"
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| 33 | #include "OgreTagPoint.h"
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| 34 | #include "OgreLogManager.h"
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| 35 | #include "OgreMesh.h"
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| 36 | #include "OgreException.h"
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| 37 |
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| 38 | namespace Ogre {
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| 39 | //-----------------------------------------------------------------------
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| 40 | SubEntity::SubEntity (Entity* parent, SubMesh* subMeshBasis)
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| 41 | : Renderable(), mParentEntity(parent), mMaterialName("BaseWhite"),
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| 42 | mSubMesh(subMeshBasis)
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| 43 | {
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| 44 | mpMaterial = MaterialManager::getSingleton().getByName(mMaterialName);
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| 45 | mMaterialLodIndex = 0;
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| 46 | mVisible = true;
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| 47 | mSkelAnimVertexData = 0;
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| 48 | mSoftwareVertexAnimVertexData = 0;
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| 49 | mHardwareVertexAnimVertexData = 0;
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| 50 | mHardwarePoseCount = 0;
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| 51 |
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| 52 |
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| 53 |
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| 54 | }
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| 55 | //-----------------------------------------------------------------------
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| 56 | SubEntity::~SubEntity()
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| 57 | {
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| 58 | if (mSkelAnimVertexData)
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| 59 | delete mSkelAnimVertexData;
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| 60 | if (mHardwareVertexAnimVertexData)
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| 61 | delete mHardwareVertexAnimVertexData;
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| 62 | if (mSoftwareVertexAnimVertexData)
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| 63 | delete mSoftwareVertexAnimVertexData;
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| 64 | }
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| 65 | //-----------------------------------------------------------------------
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| 66 | SubMesh* SubEntity::getSubMesh(void)
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| 67 | {
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| 68 | return mSubMesh;
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| 69 | }
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| 70 | //-----------------------------------------------------------------------
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| 71 | const String& SubEntity::getMaterialName(void) const
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| 72 | {
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| 73 | return mMaterialName;
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| 74 | }
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| 75 | //-----------------------------------------------------------------------
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| 76 | void SubEntity::setMaterialName( const String& name)
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| 77 | {
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| 78 |
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| 79 | //String oldName = mMaterialName;
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| 80 | mMaterialName = name;
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| 81 | mpMaterial = MaterialManager::getSingleton().getByName(mMaterialName);
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| 82 |
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| 83 | if (mpMaterial.isNull())
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| 84 | {
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| 85 | LogManager::getSingleton().logMessage("Can't assign material " + name +
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| 86 | " to SubEntity of " + mParentEntity->getName() + " because this "
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| 87 | "Material does not exist. Have you forgotten to define it in a "
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| 88 | ".material script?");
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| 89 | mpMaterial = MaterialManager::getSingleton().getByName("BaseWhite");
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| 90 | if (mpMaterial.isNull())
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| 91 | {
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| 92 | OGRE_EXCEPT(Exception::ERR_INTERNAL_ERROR, "Can't assign default material "
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| 93 | "to SubEntity of " + mParentEntity->getName() + ". Did "
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| 94 | "you forget to call MaterialManager::initialise()?",
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| 95 | "SubEntity.setMaterialName");
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| 96 | }
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| 97 | }
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| 98 | // Ensure new material loaded (will not load again if already loaded)
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| 99 | mpMaterial->load();
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| 100 |
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| 101 | // tell parent to reconsider material vertex processing options
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| 102 | mParentEntity->reevaluateVertexProcessing();
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| 103 |
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| 104 |
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| 105 | }
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| 106 | //-----------------------------------------------------------------------
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| 107 | const MaterialPtr& SubEntity::getMaterial(void) const
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| 108 | {
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| 109 | return mpMaterial;
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| 110 | }
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| 111 | //-----------------------------------------------------------------------
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| 112 | Technique* SubEntity::getTechnique(void) const
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| 113 | {
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| 114 | return mpMaterial->getBestTechnique(mMaterialLodIndex);
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| 115 | }
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| 116 | //-----------------------------------------------------------------------
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| 117 | void SubEntity::getRenderOperation(RenderOperation& op)
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| 118 | {
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| 119 | // Use LOD
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| 120 | mSubMesh->_getRenderOperation(op, mParentEntity->mMeshLodIndex);
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| 121 | // Deal with any vertex data overrides
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| 122 | op.vertexData = getVertexDataForBinding();
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| 123 |
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| 124 | }
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| 125 | //-----------------------------------------------------------------------
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| 126 | VertexData* SubEntity::getVertexDataForBinding(void)
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| 127 | {
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| 128 | if (mSubMesh->useSharedVertices)
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| 129 | {
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| 130 | return mParentEntity->getVertexDataForBinding();
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| 131 | }
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| 132 | else
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| 133 | {
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| 134 | Entity::VertexDataBindChoice c =
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| 135 | mParentEntity->chooseVertexDataForBinding(
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| 136 | mSubMesh->getVertexAnimationType() != VAT_NONE);
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| 137 | switch(c)
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| 138 | {
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| 139 | case Entity::BIND_ORIGINAL:
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| 140 | return mSubMesh->vertexData;
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| 141 | case Entity::BIND_HARDWARE_MORPH:
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| 142 | return mHardwareVertexAnimVertexData;
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| 143 | case Entity::BIND_SOFTWARE_MORPH:
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| 144 | return mSoftwareVertexAnimVertexData;
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| 145 | case Entity::BIND_SOFTWARE_SKELETAL:
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| 146 | return mSkelAnimVertexData;
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| 147 | };
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| 148 | // keep compiler happy
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| 149 | return mSubMesh->vertexData;
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| 150 |
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| 151 | }
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| 152 | }
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| 153 | //-----------------------------------------------------------------------
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| 154 | void SubEntity::getWorldTransforms(Matrix4* xform) const
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| 155 | {
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| 156 | if (!mParentEntity->mNumBoneMatrices ||
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| 157 | !mParentEntity->isHardwareAnimationEnabled())
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| 158 | {
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| 159 | // No skeletal animation, or software skinning
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| 160 | *xform = mParentEntity->_getParentNodeFullTransform();
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| 161 | }
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| 162 | else
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| 163 | {
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| 164 | // Hardware skinning, pass all actually used matrices
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| 165 | const Mesh::IndexMap& indexMap = mSubMesh->useSharedVertices ?
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| 166 | mSubMesh->parent->sharedBlendIndexToBoneIndexMap : mSubMesh->blendIndexToBoneIndexMap;
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| 167 | assert(indexMap.size() <= mParentEntity->mNumBoneMatrices);
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| 168 |
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| 169 | if (mParentEntity->_isSkeletonAnimated())
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| 170 | {
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| 171 | // Bones, use cached matrices built when Entity::_updateRenderQueue was called
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| 172 | assert(mParentEntity->mBoneWorldMatrices);
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| 173 |
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| 174 | Mesh::IndexMap::const_iterator it, itend;
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| 175 | itend = indexMap.end();
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| 176 | for (it = indexMap.begin(); it != itend; ++it, ++xform)
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| 177 | {
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| 178 | *xform = mParentEntity->mBoneWorldMatrices[*it];
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| 179 | }
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| 180 | }
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| 181 | else
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| 182 | {
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| 183 | // All animations disabled, use parent entity world transform only
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| 184 | std::fill_n(xform, indexMap.size(), mParentEntity->_getParentNodeFullTransform());
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| 185 | }
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| 186 | }
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| 187 | }
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| 188 | //-----------------------------------------------------------------------
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| 189 | const Quaternion& SubEntity::getWorldOrientation(void) const
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| 190 | {
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| 191 | return mParentEntity->mParentNode->_getDerivedOrientation();
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| 192 | }
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| 193 | //-----------------------------------------------------------------------
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| 194 | const Vector3& SubEntity::getWorldPosition(void) const
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| 195 | {
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| 196 | return mParentEntity->mParentNode->_getDerivedPosition();
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| 197 | }
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| 198 |
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| 199 | //-----------------------------------------------------------------------
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| 200 | unsigned short SubEntity::getNumWorldTransforms(void) const
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| 201 | {
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| 202 | if (!mParentEntity->mNumBoneMatrices ||
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| 203 | !mParentEntity->isHardwareAnimationEnabled())
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| 204 | {
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| 205 | // No skeletal animation, or software skinning
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| 206 | return 1;
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| 207 | }
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| 208 | else
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| 209 | {
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| 210 | // Hardware skinning, pass all actually used matrices
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| 211 | const Mesh::IndexMap& indexMap = mSubMesh->useSharedVertices ?
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| 212 | mSubMesh->parent->sharedBlendIndexToBoneIndexMap : mSubMesh->blendIndexToBoneIndexMap;
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| 213 | assert(indexMap.size() <= mParentEntity->mNumBoneMatrices);
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| 214 |
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| 215 | return static_cast<unsigned short>(indexMap.size());
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| 216 | }
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| 217 | }
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| 218 | //-----------------------------------------------------------------------
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| 219 | Real SubEntity::getSquaredViewDepth(const Camera* cam) const
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| 220 | {
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| 221 | Node* n = mParentEntity->getParentNode();
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| 222 | assert(n);
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| 223 | return n->getSquaredViewDepth(cam);
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| 224 | }
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| 225 | //-----------------------------------------------------------------------
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| 226 | bool SubEntity::getNormaliseNormals(void) const
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| 227 | {
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| 228 | return mParentEntity->mNormaliseNormals;
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| 229 | }
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| 230 | //-----------------------------------------------------------------------
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| 231 | const LightList& SubEntity::getLights(void) const
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| 232 | {
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| 233 | SceneNode* n = mParentEntity->getParentSceneNode();
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| 234 | assert(n);
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| 235 | return n->findLights(mParentEntity->getBoundingRadius());
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| 236 | }
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| 237 | //-----------------------------------------------------------------------
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| 238 | void SubEntity::setVisible(bool visible)
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| 239 | {
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| 240 | mVisible = visible;
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| 241 | }
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| 242 | //-----------------------------------------------------------------------
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| 243 | bool SubEntity::isVisible(void) const
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| 244 | {
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| 245 | return mVisible;
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| 246 |
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| 247 | }
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| 248 | //-----------------------------------------------------------------------
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| 249 | void SubEntity::prepareTempBlendBuffers(void)
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| 250 | {
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| 251 | if (mSubMesh->useSharedVertices)
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| 252 | return;
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| 253 |
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| 254 | if (mSkelAnimVertexData)
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| 255 | {
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| 256 | delete mSkelAnimVertexData;
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| 257 | mSkelAnimVertexData = 0;
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| 258 | }
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| 259 | if (mSoftwareVertexAnimVertexData)
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| 260 | {
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| 261 | delete mSoftwareVertexAnimVertexData;
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| 262 | mSoftwareVertexAnimVertexData = 0;
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| 263 | }
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| 264 | if (mHardwareVertexAnimVertexData)
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| 265 | {
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| 266 | delete mHardwareVertexAnimVertexData;
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| 267 | mHardwareVertexAnimVertexData = 0;
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| 268 | }
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| 269 |
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| 270 | if (!mSubMesh->useSharedVertices)
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| 271 | {
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| 272 | if (mSubMesh->getVertexAnimationType() != VAT_NONE)
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| 273 | {
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| 274 | // Create temporary vertex blend info
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| 275 | // Prepare temp vertex data if needed
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| 276 | // Clone without copying data, remove blending info
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| 277 | // (since blend is performed in software)
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| 278 | mSoftwareVertexAnimVertexData =
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| 279 | mParentEntity->cloneVertexDataRemoveBlendInfo(mSubMesh->vertexData);
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| 280 | mParentEntity->extractTempBufferInfo(mSoftwareVertexAnimVertexData, &mTempVertexAnimInfo);
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| 281 |
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| 282 | // Also clone for hardware usage, don't remove blend info since we'll
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| 283 | // need it if we also hardware skeletally animate
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| 284 | mHardwareVertexAnimVertexData = mSubMesh->vertexData->clone(false);
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| 285 | }
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| 286 |
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| 287 | if (mParentEntity->hasSkeleton())
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| 288 | {
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| 289 | // Create temporary vertex blend info
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| 290 | // Prepare temp vertex data if needed
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| 291 | // Clone without copying data, remove blending info
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| 292 | // (since blend is performed in software)
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| 293 | mSkelAnimVertexData =
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| 294 | mParentEntity->cloneVertexDataRemoveBlendInfo(mSubMesh->vertexData);
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| 295 | mParentEntity->extractTempBufferInfo(mSkelAnimVertexData, &mTempSkelAnimInfo);
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| 296 |
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| 297 | }
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| 298 | }
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| 299 | }
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| 300 | //-----------------------------------------------------------------------
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| 301 | bool SubEntity::getCastsShadows(void) const
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| 302 | {
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| 303 | return mParentEntity->getCastShadows();
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| 304 | }
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| 305 | //-----------------------------------------------------------------------
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| 306 | VertexData* SubEntity::_getSkelAnimVertexData(void)
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| 307 | {
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| 308 | assert (mSkelAnimVertexData && "Not software skinned!");
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| 309 | return mSkelAnimVertexData;
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| 310 | }
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| 311 | //-----------------------------------------------------------------------
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| 312 | VertexData* SubEntity::_getSoftwareVertexAnimVertexData(void)
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| 313 | {
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| 314 | assert (mSoftwareVertexAnimVertexData && "Not vertex animated!");
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| 315 | return mSoftwareVertexAnimVertexData;
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| 316 | }
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| 317 | //-----------------------------------------------------------------------
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| 318 | VertexData* SubEntity::_getHardwareVertexAnimVertexData(void)
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| 319 | {
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| 320 | assert (mHardwareVertexAnimVertexData && "Not vertex animated!");
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| 321 | return mHardwareVertexAnimVertexData;
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| 322 | }
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| 323 | //-----------------------------------------------------------------------
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| 324 | TempBlendedBufferInfo* SubEntity::_getSkelAnimTempBufferInfo(void)
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| 325 | {
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| 326 | return &mTempSkelAnimInfo;
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| 327 | }
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| 328 | //-----------------------------------------------------------------------
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| 329 | TempBlendedBufferInfo* SubEntity::_getVertexAnimTempBufferInfo(void)
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| 330 | {
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| 331 | return &mTempVertexAnimInfo;
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| 332 | }
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| 333 | //-----------------------------------------------------------------------
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| 334 | void SubEntity::_updateCustomGpuParameter(
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| 335 | const GpuProgramParameters::AutoConstantEntry& constantEntry,
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| 336 | GpuProgramParameters* params) const
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| 337 | {
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| 338 | if (constantEntry.paramType == GpuProgramParameters::ACT_ANIMATION_PARAMETRIC)
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| 339 | {
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| 340 | // Set up to 4 values, or up to limit of hardware animation entries
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| 341 | // Pack into 4-element constants offset based on constant data index
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| 342 | // If there are more than 4 entries, this will be called more than once
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| 343 | Vector4 val(0.0f,0.0f,0.0f,0.0f);
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| 344 |
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| 345 | size_t animIndex = constantEntry.data * 4;
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| 346 | for (size_t i = 0; i < 4 &&
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| 347 | animIndex < mHardwareVertexAnimVertexData->hwAnimationDataList.size();
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| 348 | ++i, ++animIndex)
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| 349 | {
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| 350 | val.val[i] =
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| 351 | mHardwareVertexAnimVertexData->hwAnimationDataList[animIndex].parametric;
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| 352 | }
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| 353 | // set the parametric morph value
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| 354 | params->setConstant(constantEntry.index, val);
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| 355 | }
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| 356 | else
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| 357 | {
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| 358 | // default
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| 359 | return Renderable::_updateCustomGpuParameter(constantEntry, params);
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| 360 | }
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| 361 | }
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| 362 | //-----------------------------------------------------------------------------
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| 363 | void SubEntity::_markBuffersUnusedForAnimation(void)
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| 364 | {
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| 365 | mVertexAnimationAppliedThisFrame = false;
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| 366 | }
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| 367 | //-----------------------------------------------------------------------------
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| 368 | void SubEntity::_markBuffersUsedForAnimation(void)
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| 369 | {
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| 370 | mVertexAnimationAppliedThisFrame = true;
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| 371 | }
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| 372 | //-----------------------------------------------------------------------------
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| 373 | void SubEntity::_restoreBuffersForUnusedAnimation(bool hardwareAnimation)
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| 374 | {
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| 375 | // Rebind original positions if:
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| 376 | // We didn't apply any animation and
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| 377 | // We're morph animated (hardware binds keyframe, software is missing)
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| 378 | // or we're pose animated and software (hardware is fine, still bound)
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| 379 | if (mSubMesh->getVertexAnimationType() != VAT_NONE &&
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| 380 | !mSubMesh->useSharedVertices &&
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| 381 | !mVertexAnimationAppliedThisFrame &&
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| 382 | (!hardwareAnimation || mSubMesh->getVertexAnimationType() == VAT_MORPH))
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| 383 | {
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| 384 | const VertexElement* srcPosElem =
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| 385 | mSubMesh->vertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
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| 386 | HardwareVertexBufferSharedPtr srcBuf =
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| 387 | mSubMesh->vertexData->vertexBufferBinding->getBuffer(
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| 388 | srcPosElem->getSource());
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| 389 |
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| 390 | // Bind to software
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| 391 | const VertexElement* destPosElem =
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| 392 | mSoftwareVertexAnimVertexData->vertexDeclaration->findElementBySemantic(VES_POSITION);
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| 393 | mSoftwareVertexAnimVertexData->vertexBufferBinding->setBinding(
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| 394 | destPosElem->getSource(), srcBuf);
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| 395 |
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| 396 | }
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| 397 | }
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| 398 |
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| 399 |
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| 400 | }
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