1 | |
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2 | #include "OgreOdePrecompiledHeaders.h" |
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3 | |
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4 | #include "OgreOdeEntityInformer.h" |
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5 | #include "OgreOdeMaintainedList.h" |
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6 | #include "OgreOdeBody.h" |
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7 | #include "OgreOdeGeometry.h" |
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8 | #include "OgreOdeMass.h" |
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9 | #include "OgreOdeEigenSolver.h" |
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10 | |
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11 | using namespace OgreOde; |
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12 | using namespace Ogre; |
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13 | |
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14 | //------------------------------------------------------------------------------------------------ |
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15 | void EntityInformer::addVertexData(const VertexData *vertex_data, |
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16 | const VertexData *blended_data, |
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17 | const Mesh::IndexMap *indexMap) |
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18 | { |
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19 | if (!vertex_data) |
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20 | return; |
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21 | |
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22 | const VertexData *data = (blended_data) ? blended_data: vertex_data; |
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23 | |
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24 | const unsigned int prev_size = _vertex_count; |
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25 | _vertex_count += (unsigned int)data->vertexCount; |
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26 | |
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27 | Ogre::Vector3* tmp_vert = new Ogre::Vector3[_vertex_count]; |
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28 | if (_vertices) |
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29 | { |
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30 | memcpy(tmp_vert,_vertices,sizeof(Vector3) * prev_size); |
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31 | delete[] _vertices; |
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32 | } |
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33 | _vertices = tmp_vert; |
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34 | |
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35 | // Get the positional buffer element |
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36 | { |
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37 | const Ogre::VertexElement* posElem = data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION); |
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38 | Ogre::HardwareVertexBufferSharedPtr vbuf = data->vertexBufferBinding->getBuffer(posElem->getSource()); |
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39 | const unsigned int vSize = (unsigned int)vbuf->getVertexSize(); |
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40 | |
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41 | unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY)); |
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42 | float* pReal; |
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43 | Ogre::Vector3 * curVertices = &_vertices[prev_size]; |
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44 | const unsigned int vertexCount = (unsigned int)data->vertexCount; |
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45 | for(unsigned int j = 0; j < vertexCount; ++j) |
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46 | { |
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47 | posElem->baseVertexPointerToElement(vertex, &pReal); |
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48 | vertex += vSize; |
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49 | |
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50 | curVertices->x = (*pReal++); |
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51 | curVertices->y = (*pReal++); |
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52 | curVertices->z = (*pReal++); |
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53 | |
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54 | *curVertices = _transform * (*curVertices); |
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55 | |
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56 | curVertices++; |
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57 | } |
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58 | vbuf->unlock(); |
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59 | } |
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60 | |
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61 | // Get the bone index element |
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62 | if (_entity->hasSkeleton()) |
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63 | { |
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64 | |
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65 | Ogre::MeshPtr mesh = _entity->getMesh (); |
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66 | |
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67 | const Ogre::VertexElement* bneElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_BLEND_INDICES); |
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68 | assert (bneElem); |
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69 | { |
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70 | Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(bneElem->getSource()); |
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71 | const unsigned int vSize = (unsigned int)vbuf->getVertexSize(); |
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72 | unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY)); |
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73 | |
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74 | unsigned char* pBone; |
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75 | |
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76 | if (!_bone_mapping) |
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77 | _bone_mapping = new BoneMapping(); |
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78 | BoneMapping::iterator i; |
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79 | |
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80 | Ogre::Vector3 * curVertices = &_vertices[prev_size]; |
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81 | |
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82 | const unsigned int vertexCount = (unsigned int)vertex_data->vertexCount; |
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83 | for(unsigned int j = 0; j < vertexCount; ++j) |
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84 | { |
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85 | bneElem->baseVertexPointerToElement(vertex, &pBone); |
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86 | vertex += vSize; |
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87 | |
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88 | const unsigned char currBone = (indexMap) ? (*indexMap)[*pBone] : *pBone; |
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89 | i = _bone_mapping->find (currBone); |
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90 | Vector3Array* l = 0; |
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91 | if (i == _bone_mapping->end()) |
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92 | { |
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93 | l = new Vector3Array; |
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94 | _bone_mapping->insert(BoneMappingKey(currBone, l)); |
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95 | } |
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96 | else |
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97 | { |
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98 | l = i->second; |
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99 | } |
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100 | |
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101 | l->push_back(*curVertices); |
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102 | |
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103 | curVertices++; |
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104 | } |
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105 | vbuf->unlock(); |
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106 | } |
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107 | } |
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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 | void EntityInformer::addIndexData(IndexData *data, const unsigned int offset) |
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113 | { |
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114 | const unsigned int prev_size = _index_count; |
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115 | _index_count += (unsigned int)data->indexCount; |
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116 | |
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117 | unsigned int* tmp_ind = new unsigned int[_index_count]; |
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118 | if (_indices) |
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119 | { |
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120 | memcpy (tmp_ind, _indices, sizeof(unsigned int) * prev_size); |
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121 | delete[] _indices; |
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122 | } |
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123 | _indices = tmp_ind; |
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124 | |
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125 | const unsigned int numTris = (unsigned int) data->indexCount / 3; |
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126 | HardwareIndexBufferSharedPtr ibuf = data->indexBuffer; |
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127 | const bool use32bitindexes = (ibuf->getType() == HardwareIndexBuffer::IT_32BIT); |
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128 | unsigned int index_offset = prev_size; |
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129 | |
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130 | if (use32bitindexes) |
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131 | { |
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132 | const unsigned int* pInt = static_cast<unsigned int*>(ibuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
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133 | for(unsigned int k = 0; k < numTris; ++k) |
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134 | { |
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135 | _indices[index_offset ++] = offset + *pInt++; |
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136 | _indices[index_offset ++] = offset + *pInt++; |
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137 | _indices[index_offset ++] = offset + *pInt++; |
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138 | } |
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139 | ibuf->unlock(); |
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140 | } |
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141 | else |
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142 | { |
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143 | const unsigned short* pShort = static_cast<unsigned short*>(ibuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
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144 | for(unsigned int k = 0; k < numTris; ++k) |
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145 | { |
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146 | _indices[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
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147 | _indices[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
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148 | _indices[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
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149 | } |
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150 | ibuf->unlock(); |
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151 | } |
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152 | |
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153 | } |
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154 | //------------------------------------------------------------------------------------------------ |
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155 | void EntityInformer::addEntity(Entity *entity,const Matrix4 &transform) |
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156 | { |
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157 | // Each entity added need to reset size and radius |
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158 | // next time getRadius and getSize are asked, they're computed. |
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159 | _size = Ogre::Vector3(-1,-1,-1); |
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160 | _radius = -1; |
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161 | |
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162 | _entity = entity; |
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163 | _node = (SceneNode*)(_entity->getParentNode()); |
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164 | _transform = transform; |
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165 | |
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166 | const bool isSkeletonAnimated = _entity->hasSkeleton(); |
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167 | //const bool isHWanimated = isSkeletonAnimated && entity->isHardwareAnimationEnabled(); |
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168 | if (isSkeletonAnimated) |
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169 | { |
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170 | _entity->addSoftwareAnimationRequest(false); |
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171 | _entity->_updateAnimation(); |
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172 | } |
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173 | |
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174 | |
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175 | if (_entity->getMesh()->sharedVertexData) |
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176 | { |
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177 | if (!isSkeletonAnimated) |
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178 | addVertexData (_entity->getMesh()->sharedVertexData); |
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179 | else |
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180 | addVertexData (_entity->getMesh()->sharedVertexData, |
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181 | _entity->_getSkelAnimVertexData(), |
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182 | &_entity->getMesh()->sharedBlendIndexToBoneIndexMap); |
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183 | } |
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184 | |
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185 | for(unsigned int i = 0;i < _entity->getNumSubEntities();++i) |
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186 | { |
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187 | SubMesh *sub_mesh = _entity->getSubEntity(i)->getSubMesh(); |
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188 | |
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189 | if (!sub_mesh->useSharedVertices) |
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190 | { |
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191 | addIndexData(sub_mesh->indexData,_vertex_count); |
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192 | |
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193 | if (!isSkeletonAnimated) |
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194 | addVertexData (sub_mesh->vertexData); |
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195 | else |
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196 | addVertexData (sub_mesh->vertexData, |
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197 | _entity->getSubEntity(i)->_getSkelAnimVertexData(), |
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198 | &sub_mesh->blendIndexToBoneIndexMap); |
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199 | } |
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200 | else |
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201 | { |
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202 | addIndexData (sub_mesh->indexData); |
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203 | } |
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204 | |
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205 | } |
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206 | |
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207 | if (isSkeletonAnimated) |
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208 | _entity->removeSoftwareAnimationRequest(false); |
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209 | } |
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210 | //------------------------------------------------------------------------------------------------ |
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211 | void EntityInformer::addMesh(const MeshPtr &mesh, const Matrix4 &transform) |
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212 | { |
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213 | // Each entity added need to reset size and radius |
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214 | // next time getRadius and getSize are asked, they're computed. |
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215 | _size = Ogre::Vector3(-1,-1,-1); |
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216 | _radius = -1; |
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217 | |
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218 | //_entity = entity; |
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219 | //_node = (SceneNode*)(_entity->getParentNode()); |
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220 | _transform = transform; |
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221 | |
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222 | if (mesh->hasSkeleton ()) |
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223 | Ogre::LogManager::getSingleton().logMessage("EntityInformer::addMesh : Mesh " + mesh->getName () + " as skeleton but added to trimesh non animated"); |
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224 | // OGRE_EXCEPT(1, "Mesh " + mesh->getName () + " as skeleton but added to trimesh non animated", |
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225 | // "EntityInformer::addMesh"); |
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226 | |
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227 | if (mesh->sharedVertexData) |
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228 | { |
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229 | addVertexData (mesh->sharedVertexData); |
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230 | } |
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231 | |
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232 | for(unsigned int i = 0;i < mesh->getNumSubMeshes();++i) |
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233 | { |
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234 | SubMesh *sub_mesh = mesh->getSubMesh(i); |
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235 | |
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236 | if (!sub_mesh->useSharedVertices) |
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237 | { |
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238 | addIndexData(sub_mesh->indexData, _vertex_count); |
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239 | addVertexData (sub_mesh->vertexData); |
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240 | } |
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241 | else |
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242 | { |
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243 | addIndexData (sub_mesh->indexData); |
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244 | } |
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245 | |
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246 | } |
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247 | } |
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248 | //------------------------------------------------------------------------------------------------ |
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249 | EntityInformer::EntityInformer(Entity *entity,const Matrix4 &transform) : |
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250 | _vertices (0), |
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251 | _indices (0), |
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252 | _vertex_count (0), |
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253 | _index_count (0), |
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254 | _size (Vector3(-1,-1,-1)), |
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255 | _radius (-1), |
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256 | _bone_mapping (0) |
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257 | { |
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258 | addEntity(entity, transform); |
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259 | } |
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260 | //------------------------------------------------------------------------------------------------ |
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261 | EntityInformer::EntityInformer() : |
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262 | _vertices (0), |
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263 | _indices (0), |
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264 | _vertex_count (0), |
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265 | _index_count (0), |
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266 | _size (Vector3(-1,-1,-1)), |
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267 | _radius (-1), |
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268 | _bone_mapping (0) |
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269 | { |
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270 | |
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271 | } |
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272 | //------------------------------------------------------------------------------------------------ |
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273 | Real EntityInformer::getRadius() |
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274 | { |
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275 | if (_radius == (-1)) |
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276 | { |
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277 | getSize(); |
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278 | _radius = (std::max(_size.x,std::max(_size.y,_size.z)) * 0.5); |
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279 | } |
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280 | return _radius; |
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281 | } |
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282 | //------------------------------------------------------------------------------------------------ |
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283 | Vector3 EntityInformer::getSize() |
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284 | { |
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285 | const unsigned int vCount = getVertexCount(); |
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286 | if (_size == Ogre::Vector3(-1,-1,-1) && vCount > 0) |
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287 | { |
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288 | |
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289 | const Ogre::Vector3 * const v = getVertices(); |
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290 | |
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291 | Ogre::Vector3 vmin(v[0]); |
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292 | Ogre::Vector3 vmax(v[0]); |
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293 | |
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294 | for(unsigned int j = 1; j < vCount; j++) |
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295 | { |
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296 | vmin.x = std::min(vmin.x, v[j].x); |
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297 | vmin.y = std::min(vmin.y, v[j].y); |
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298 | vmin.z = std::min(vmin.z, v[j].z); |
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299 | |
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300 | vmax.x = std::max(vmax.x, v[j].x); |
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301 | vmax.y = std::max(vmax.y, v[j].y); |
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302 | vmax.z = std::max(vmax.z, v[j].z); |
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303 | } |
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304 | |
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305 | _size.x = vmax.x - vmin.x; |
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306 | _size.y = vmax.y - vmin.y; |
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307 | _size.z = vmax.z - vmin.z; |
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308 | } |
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309 | |
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310 | return _size; |
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311 | } |
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312 | //------------------------------------------------------------------------------------------------ |
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313 | const Ogre::Vector3* EntityInformer::getVertices() |
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314 | { |
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315 | return _vertices; |
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316 | } |
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317 | //------------------------------------------------------------------------------------------------ |
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318 | unsigned int EntityInformer::getVertexCount() |
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319 | { |
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320 | return _vertex_count; |
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321 | } |
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322 | //------------------------------------------------------------------------------------------------ |
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323 | const unsigned int* EntityInformer::getIndices() |
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324 | { |
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325 | return _indices; |
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326 | } |
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327 | //------------------------------------------------------------------------------------------------ |
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328 | unsigned int EntityInformer::getIndexCount() |
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329 | { |
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330 | return _index_count; |
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331 | } |
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332 | //------------------------------------------------------------------------------------------------ |
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333 | Body* EntityInformer::createSingleDynamicSphere(Real mass, World *world, Space* space) |
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334 | { |
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335 | const Ogre::Real rad = getRadius(); |
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336 | |
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337 | assert((rad > 0.0) && |
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338 | ("Sphere radius must be greater than zero")); |
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339 | |
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340 | Body* body = new Body(world, "OgreOde::Body_" + _entity->getName()); |
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341 | body->setMass(SphereMass(mass, rad)); |
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342 | |
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343 | SphereGeometry* geom = new SphereGeometry(rad, world, space); |
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344 | geom->setBody(body); |
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345 | |
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346 | body->setPosition(_node->getPosition()); |
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347 | body->setOrientation(_node->getOrientation()); |
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348 | |
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349 | _node->attachObject(body); |
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350 | |
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351 | return body; |
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352 | } |
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353 | //------------------------------------------------------------------------------------------------ |
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354 | Body* EntityInformer::createSingleDynamicBox(Real mass, World *world, Space* space) |
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355 | { |
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356 | const Ogre::Vector3 sz = getSize(); |
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357 | |
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358 | assert((sz.x > 0.0) && (sz.y > 0.0) && (sz.y > 0.0) && |
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359 | ("Size of box must be greater than zero on all axes")); |
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360 | |
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361 | Body* body = new Body(world, "OgreOde::Body_" + _node->getName()); |
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362 | body->setMass(BoxMass(mass,sz)); |
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363 | |
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364 | BoxGeometry* geom = new BoxGeometry(sz, world, space); |
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365 | geom->setBody(body); |
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366 | |
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367 | body->setPosition(_node->getPosition()); |
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368 | body->setOrientation(_node->getOrientation()); |
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369 | |
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370 | _node->attachObject(body); |
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371 | |
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372 | return body; |
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373 | } |
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374 | //------------------------------------------------------------------------------------------------ |
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375 | TriangleMeshGeometry* EntityInformer::createStaticTriangleMesh(World *world, Space* space) |
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376 | { |
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377 | assert(_vertex_count && (_index_count >= 6) && |
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378 | ("Mesh must have some vertices and at least 6 indices (2 triangles)")); |
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379 | |
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380 | return new TriangleMeshGeometry(_vertices, _vertex_count,_indices, _index_count, world, space); |
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381 | } |
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382 | //------------------------------------------------------------------------------------------------ |
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383 | BoxGeometry* EntityInformer::createSingleStaticBox(World *world, Space* space) |
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384 | { |
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385 | BoxGeometry* geom = new BoxGeometry(getSize(), world, space); |
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386 | |
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387 | geom->setPosition(_node->getPosition()); |
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388 | geom->setOrientation(_node->getOrientation()); |
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389 | |
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390 | return geom; |
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391 | } |
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392 | //------------------------------------------------------------------------------------------------ |
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393 | bool EntityInformer::getBoneVertices(unsigned char bone, unsigned int &vertex_count, Ogre::Vector3* &vertices) |
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394 | { |
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395 | BoneMapping::iterator i = _bone_mapping->find(bone); |
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396 | |
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397 | if (i == _bone_mapping->end()) |
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398 | return false; |
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399 | |
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400 | if (i->second->empty()) |
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401 | return false; |
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402 | |
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403 | vertex_count = (unsigned int) i->second->size() + 1; |
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404 | |
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405 | vertices = new Ogre::Vector3[vertex_count]; |
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406 | vertices[0] = _entity->_getParentNodeFullTransform() * |
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407 | _entity->getSkeleton()->getBone(bone)->_getDerivedPosition(); |
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408 | |
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409 | unsigned int o = 1; |
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410 | for(Vector3Array::iterator j = i->second->begin(); |
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411 | j != i->second->end(); ++j,++o) |
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412 | { |
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413 | vertices[o] = (*j); |
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414 | } |
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415 | return true; |
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416 | } |
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417 | //------------------------------------------------------------------------------------------------ |
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418 | BoxGeometry* EntityInformer::createAlignedBox(unsigned char bone, World *world, Space* space) |
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419 | { |
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420 | unsigned int vertex_count; |
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421 | Vector3* vertices; |
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422 | if (!getBoneVertices(bone, vertex_count, vertices)) |
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423 | return 0; |
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424 | |
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425 | Vector3 min_vec(vertices[0]); |
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426 | Vector3 max_vec(vertices[0]); |
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427 | |
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428 | for(unsigned int j = 1; j < vertex_count ;j++) |
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429 | { |
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430 | min_vec.x = std::min(min_vec.x,vertices[j].x); |
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431 | min_vec.y = std::min(min_vec.y,vertices[j].y); |
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432 | min_vec.z = std::min(min_vec.z,vertices[j].z); |
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433 | |
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434 | max_vec.x = std::max(max_vec.x,vertices[j].x); |
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435 | max_vec.y = std::max(max_vec.y,vertices[j].y); |
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436 | max_vec.z = std::max(max_vec.z,vertices[j].z); |
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437 | } |
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438 | const Ogre::Vector3 maxMinusMin(max_vec - min_vec); |
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439 | BoxGeometry* box = new BoxGeometry(maxMinusMin, world, space); |
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440 | |
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441 | const Ogre::Vector3 pos(min_vec.x + (maxMinusMin.x * 0.5), |
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442 | min_vec.y + (maxMinusMin.y * 0.5), |
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443 | min_vec.z + (maxMinusMin.z * 0.5)); |
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444 | |
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445 | box->setPosition(pos); |
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446 | |
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447 | delete[] vertices; |
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448 | |
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449 | return box; |
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450 | } |
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451 | //------------------------------------------------------------------------------------------------ |
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452 | BoxGeometry* EntityInformer::createOrientedBox(unsigned char bone, World *world, Space* space) |
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453 | { |
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454 | unsigned int vertex_count; |
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455 | Vector3* vertices; |
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456 | if (!getBoneVertices(bone, vertex_count, vertices)) |
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457 | return 0; |
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458 | |
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459 | Vector3 box_kCenter; |
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460 | Ogre::Vector3 box_akAxis[3]; |
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461 | Ogre::Real box_afExtent[3]; |
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462 | |
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463 | EigenSolver::GaussPointsFit (vertex_count, vertices, box_kCenter, box_akAxis, box_afExtent); |
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464 | |
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465 | // Let C be the box center and let U0, U1, and U2 be the box axes. Each |
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466 | // input point is of the form X = C + y0*U0 + y1*U1 + y2*U2. The |
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467 | // following code computes min(y0), max(y0), min(y1), max(y1), min(y2), |
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468 | // and max(y2). The box center is then adjusted to be |
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469 | // C' = C + 0.5*(min(y0)+max(y0))*U0 + 0.5*(min(y1)+max(y1))*U1 + |
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470 | // 0.5*(min(y2)+max(y2))*U2 |
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471 | |
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472 | Ogre::Vector3 kDiff (vertices[0] - box_kCenter); |
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473 | Ogre::Real fY0Min = kDiff.dotProduct(box_akAxis[0]), fY0Max = fY0Min; |
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474 | Ogre::Real fY1Min = kDiff.dotProduct(box_akAxis[1]), fY1Max = fY1Min; |
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475 | Ogre::Real fY2Min = kDiff.dotProduct(box_akAxis[2]), fY2Max = fY2Min; |
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476 | |
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477 | for (unsigned int i = 1; i < vertex_count; i++) |
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478 | { |
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479 | kDiff = vertices[i] - box_kCenter; |
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480 | |
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481 | const Ogre::Real fY0 = kDiff.dotProduct(box_akAxis[0]); |
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482 | if ( fY0 < fY0Min ) |
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483 | fY0Min = fY0; |
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484 | else if ( fY0 > fY0Max ) |
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485 | fY0Max = fY0; |
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486 | |
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487 | const Ogre::Real fY1 = kDiff.dotProduct(box_akAxis[1]); |
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488 | if ( fY1 < fY1Min ) |
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489 | fY1Min = fY1; |
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490 | else if ( fY1 > fY1Max ) |
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491 | fY1Max = fY1; |
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492 | |
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493 | const Ogre::Real fY2 = kDiff.dotProduct(box_akAxis[2]); |
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494 | if ( fY2 < fY2Min ) |
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495 | fY2Min = fY2; |
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496 | else if ( fY2 > fY2Max ) |
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497 | fY2Max = fY2; |
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498 | } |
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499 | |
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500 | box_afExtent[0] = ((Real)0.5)*(fY0Max - fY0Min); |
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501 | box_afExtent[1] = ((Real)0.5)*(fY1Max - fY1Min); |
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502 | box_afExtent[2] = ((Real)0.5)*(fY2Max - fY2Min); |
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503 | |
---|
504 | box_kCenter += (box_afExtent[0])*box_akAxis[0] + |
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505 | (box_afExtent[1])*box_akAxis[1] + |
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506 | (box_afExtent[2])*box_akAxis[2]; |
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507 | |
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508 | BoxGeometry *geom = new BoxGeometry(Vector3(box_afExtent[0] * 2.0, |
---|
509 | box_afExtent[1] * 2.0, |
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510 | box_afExtent[2] * 2.0), |
---|
511 | world, space); |
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512 | geom->setOrientation(Quaternion(box_akAxis[0],box_akAxis[1],box_akAxis[2])); |
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513 | geom->setPosition(box_kCenter); |
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514 | return geom; |
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515 | } |
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516 | //------------------------------------------------------------------------------------------------ |
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517 | CapsuleGeometry* EntityInformer::createOrientedCapsule(unsigned char bone, World *world, Space* space) |
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518 | { |
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519 | unsigned int vertex_count; |
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520 | Vector3* vertices; |
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521 | |
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522 | if (!getBoneVertices(bone,vertex_count,vertices)) |
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523 | return 0; |
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524 | |
---|
525 | Vector3 cap_orig; |
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526 | Vector3 cap_dir; |
---|
527 | Real cap_rad; |
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528 | |
---|
529 | Vector3 line_orig; |
---|
530 | Vector3 line_dir; |
---|
531 | |
---|
532 | EigenSolver::orthogonalLineFit (vertex_count, vertices, line_orig, line_dir); |
---|
533 | |
---|
534 | Ogre::Real fMaxRadiusSqr = (Real) 0.0; |
---|
535 | unsigned int c; |
---|
536 | for (c = 0; c < vertex_count; c++) |
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537 | { |
---|
538 | const Ogre::Real fRadiusSqr = EigenSolver::SqrDistance(vertices[c], line_orig, line_dir); |
---|
539 | if ( fRadiusSqr > fMaxRadiusSqr ) |
---|
540 | fMaxRadiusSqr = fRadiusSqr; |
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541 | } |
---|
542 | |
---|
543 | Ogre::Vector3 kU, kV, kW = line_dir; |
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544 | EigenSolver::GenerateOrthonormalBasis (kU, kV, kW, true); |
---|
545 | |
---|
546 | Ogre::Real fMin = FLT_MAX, fMax = -fMin; |
---|
547 | for (c = 0; c < vertex_count; c++) |
---|
548 | { |
---|
549 | const Ogre::Vector3 kDiff (vertices[c] - line_orig); |
---|
550 | const Ogre::Real fU = kU.dotProduct (kDiff); |
---|
551 | const Ogre::Real fV = kV.dotProduct (kDiff); |
---|
552 | const Ogre::Real fW = kW.dotProduct (kDiff); |
---|
553 | const Ogre::Real fDiscr = fMaxRadiusSqr - (fU*fU + fV*fV); |
---|
554 | const Ogre::Real fRadical = sqrtf(fabs(fDiscr)); |
---|
555 | |
---|
556 | fMin = std::min(fW + fRadical, fMin); |
---|
557 | fMax = std::max(fW - fRadical, fMax); |
---|
558 | } |
---|
559 | |
---|
560 | if ( fMin < fMax ) |
---|
561 | { |
---|
562 | cap_orig = line_orig + fMin*line_dir; |
---|
563 | cap_dir = (fMax-fMin)*line_dir; |
---|
564 | } |
---|
565 | else |
---|
566 | { |
---|
567 | // enclosing capsule is really a sphere |
---|
568 | cap_orig = line_orig + (((Real)0.5)*(fMin+fMax))*line_dir; |
---|
569 | //---------------------------- |
---|
570 | cap_dir = Ogre::Vector3::ZERO; |
---|
571 | //cap_dir = (fMax-fMin)*line_dir; |
---|
572 | } |
---|
573 | |
---|
574 | cap_rad = sqrtf(fMaxRadiusSqr); |
---|
575 | |
---|
576 | |
---|
577 | CapsuleGeometry* geom = 0; |
---|
578 | const Ogre::Real cap_dirLength = cap_dir.length(); |
---|
579 | if (cap_rad > 0 && cap_dirLength > 0) |
---|
580 | { |
---|
581 | const Ogre::Vector3 orig_axis (Vector3::UNIT_Z); |
---|
582 | const Ogre::Vector3 reqd_axis (cap_dir.normalisedCopy()); |
---|
583 | const Ogre::Vector3 rot_axis (orig_axis.crossProduct(reqd_axis)); |
---|
584 | const Ogre::Real cos_ang = orig_axis.dotProduct(reqd_axis); |
---|
585 | Ogre::Real ang = acos(cos_ang); |
---|
586 | if (cos_ang < 0.0) |
---|
587 | ang -= M_PI; |
---|
588 | |
---|
589 | const Ogre::Quaternion orient = Ogre::Quaternion(Radian(ang),rot_axis); |
---|
590 | |
---|
591 | geom = new CapsuleGeometry(cap_rad, cap_dirLength, world, space); |
---|
592 | geom->setOrientation(orient); |
---|
593 | geom->setPosition(cap_orig + (reqd_axis * (cap_dirLength * 0.5))); |
---|
594 | } |
---|
595 | return geom; |
---|
596 | } |
---|
597 | //------------------------------------------------------------------------------------------------ |
---|
598 | EntityInformer::~EntityInformer() |
---|
599 | { |
---|
600 | delete[] _vertices; |
---|
601 | delete[] _indices; |
---|
602 | |
---|
603 | if (_bone_mapping) |
---|
604 | { |
---|
605 | for(BoneMapping::iterator i = _bone_mapping->begin(); |
---|
606 | i != _bone_mapping->end(); |
---|
607 | ++i) |
---|
608 | { |
---|
609 | delete i->second; |
---|
610 | } |
---|
611 | delete _bone_mapping; |
---|
612 | } |
---|
613 | } |
---|