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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