[1985] | 1 | /*************************************************************************** |
---|
| 2 | |
---|
| 3 | This source file is part of OGREBULLET |
---|
| 4 | (Object-oriented Graphics Rendering Engine Bullet Wrapper) |
---|
| 5 | For the latest info, see http://www.ogre3d.org/phpBB2addons/viewforum.php?f=10 |
---|
| 6 | |
---|
| 7 | Copyright (c) 2007 tuan.kuranes@gmail.com (Use it Freely, even Statically, but have to contribute any changes) |
---|
| 8 | |
---|
| 9 | |
---|
| 10 | |
---|
| 11 | This program is free software; you can redistribute it and/or modify it under |
---|
| 12 | the terms of the GPL General Public License with runtime exception as published by the Free Software |
---|
| 13 | Foundation; either version 2 of the License, or (at your option) any later |
---|
| 14 | version. |
---|
| 15 | |
---|
| 16 | This program is distributed in the hope that it will be useful, but WITHOUT |
---|
| 17 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
---|
| 18 | FOR A PARTICULAR PURPOSE. See the GPL General Public License with runtime exception for more details. |
---|
| 19 | |
---|
| 20 | You should have received a copy of the GPL General Public License with runtime exception along with |
---|
| 21 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
---|
| 22 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
---|
| 23 | http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
---|
| 24 | ----------------------------------------------------------------------------- |
---|
| 25 | */ |
---|
| 26 | |
---|
| 27 | #include "OgreBulletCollisions.h" |
---|
| 28 | |
---|
| 29 | #include "Utils/OgreBulletCollisionsMeshToShapeConverter.h" |
---|
| 30 | |
---|
| 31 | #include "Shapes/OgreBulletCollisionsTrimeshShape.h" |
---|
| 32 | #include "Shapes/OgreBulletCollisionsCylinderShape.h" |
---|
| 33 | #include "Shapes/OgreBulletCollisionsSphereShape.h" |
---|
| 34 | #include "Shapes/OgreBulletCollisionsBoxShape.h" |
---|
| 35 | #include "Shapes/OgreBulletCollisionsConvexHullShape.h" |
---|
| 36 | #include "Shapes/OgreBulletCollisionsCapsuleShape.h" |
---|
| 37 | |
---|
| 38 | using namespace OgreBulletCollisions; |
---|
| 39 | using namespace Ogre; |
---|
| 40 | |
---|
| 41 | //------------------------------------------------------------------------------------------------ |
---|
| 42 | void VertexIndexToShape::addStaticVertexData(const VertexData *vertex_data) |
---|
| 43 | { |
---|
| 44 | if (!vertex_data) |
---|
| 45 | return; |
---|
| 46 | |
---|
| 47 | const VertexData *data = vertex_data; |
---|
| 48 | |
---|
| 49 | const unsigned int prev_size = mVertexCount; |
---|
| 50 | mVertexCount += (unsigned int)data->vertexCount; |
---|
| 51 | |
---|
| 52 | Ogre::Vector3* tmp_vert = new Ogre::Vector3[mVertexCount]; |
---|
| 53 | if (mVertexBuffer) |
---|
| 54 | { |
---|
| 55 | memcpy(tmp_vert, mVertexBuffer, sizeof(Vector3) * prev_size); |
---|
| 56 | delete[] mVertexBuffer; |
---|
| 57 | } |
---|
| 58 | mVertexBuffer = tmp_vert; |
---|
| 59 | |
---|
| 60 | // Get the positional buffer element |
---|
| 61 | { |
---|
| 62 | const Ogre::VertexElement* posElem = data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION); |
---|
| 63 | Ogre::HardwareVertexBufferSharedPtr vbuf = data->vertexBufferBinding->getBuffer(posElem->getSource()); |
---|
| 64 | const unsigned int vSize = (unsigned int)vbuf->getVertexSize(); |
---|
| 65 | |
---|
| 66 | unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY)); |
---|
| 67 | float* pReal; |
---|
| 68 | Ogre::Vector3 * curVertices = &mVertexBuffer[prev_size]; |
---|
| 69 | const unsigned int vertexCount = (unsigned int)data->vertexCount; |
---|
| 70 | for(unsigned int j = 0; j < vertexCount; ++j) |
---|
| 71 | { |
---|
| 72 | posElem->baseVertexPointerToElement(vertex, &pReal); |
---|
| 73 | vertex += vSize; |
---|
| 74 | |
---|
| 75 | curVertices->x = (*pReal++); |
---|
| 76 | curVertices->y = (*pReal++); |
---|
| 77 | curVertices->z = (*pReal++); |
---|
| 78 | |
---|
| 79 | *curVertices = mTransform * (*curVertices); |
---|
| 80 | |
---|
| 81 | curVertices++; |
---|
| 82 | } |
---|
| 83 | vbuf->unlock(); |
---|
| 84 | } |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | //------------------------------------------------------------------------------------------------ |
---|
| 88 | void VertexIndexToShape::addAnimatedVertexData(const Ogre::VertexData *vertex_data, |
---|
| 89 | const Ogre::VertexData *blend_data, |
---|
| 90 | const Ogre::Mesh::IndexMap *indexMap) |
---|
| 91 | { |
---|
| 92 | // Get the bone index element |
---|
| 93 | assert(vertex_data); |
---|
| 94 | |
---|
| 95 | const VertexData *data = blend_data; |
---|
| 96 | const unsigned int prev_size = mVertexCount; |
---|
| 97 | mVertexCount += (unsigned int)data->vertexCount; |
---|
| 98 | Ogre::Vector3* tmp_vert = new Ogre::Vector3[mVertexCount]; |
---|
| 99 | if (mVertexBuffer) |
---|
| 100 | { |
---|
| 101 | memcpy(tmp_vert, mVertexBuffer, sizeof(Vector3) * prev_size); |
---|
| 102 | delete[] mVertexBuffer; |
---|
| 103 | } |
---|
| 104 | mVertexBuffer = tmp_vert; |
---|
| 105 | |
---|
| 106 | // Get the positional buffer element |
---|
| 107 | { |
---|
| 108 | const Ogre::VertexElement* posElem = data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION); |
---|
| 109 | assert (posElem); |
---|
| 110 | Ogre::HardwareVertexBufferSharedPtr vbuf = data->vertexBufferBinding->getBuffer(posElem->getSource()); |
---|
| 111 | const unsigned int vSize = (unsigned int)vbuf->getVertexSize(); |
---|
| 112 | |
---|
| 113 | unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY)); |
---|
| 114 | float* pReal; |
---|
| 115 | Ogre::Vector3 * curVertices = &mVertexBuffer[prev_size]; |
---|
| 116 | const unsigned int vertexCount = (unsigned int)data->vertexCount; |
---|
| 117 | for(unsigned int j = 0; j < vertexCount; ++j) |
---|
| 118 | { |
---|
| 119 | posElem->baseVertexPointerToElement(vertex, &pReal); |
---|
| 120 | vertex += vSize; |
---|
| 121 | |
---|
| 122 | curVertices->x = (*pReal++); |
---|
| 123 | curVertices->y = (*pReal++); |
---|
| 124 | curVertices->z = (*pReal++); |
---|
| 125 | |
---|
| 126 | *curVertices = mTransform * (*curVertices); |
---|
| 127 | |
---|
| 128 | curVertices++; |
---|
| 129 | } |
---|
| 130 | vbuf->unlock(); |
---|
| 131 | } |
---|
| 132 | { |
---|
| 133 | const Ogre::VertexElement* bneElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_BLEND_INDICES); |
---|
| 134 | assert (bneElem); |
---|
| 135 | |
---|
| 136 | Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(bneElem->getSource()); |
---|
| 137 | const unsigned int vSize = (unsigned int)vbuf->getVertexSize(); |
---|
| 138 | unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY)); |
---|
| 139 | |
---|
| 140 | unsigned char* pBone; |
---|
| 141 | |
---|
| 142 | if (!mBoneIndex) |
---|
| 143 | mBoneIndex = new BoneIndex(); |
---|
| 144 | BoneIndex::iterator i; |
---|
| 145 | |
---|
| 146 | Ogre::Vector3 * curVertices = &mVertexBuffer[prev_size]; |
---|
| 147 | |
---|
| 148 | const unsigned int vertexCount = (unsigned int)vertex_data->vertexCount; |
---|
| 149 | for(unsigned int j = 0; j < vertexCount; ++j) |
---|
| 150 | { |
---|
| 151 | bneElem->baseVertexPointerToElement(vertex, &pBone); |
---|
| 152 | vertex += vSize; |
---|
| 153 | |
---|
| 154 | const unsigned char currBone = (indexMap) ? (*indexMap)[*pBone] : *pBone; |
---|
| 155 | i = mBoneIndex->find (currBone); |
---|
| 156 | Vector3Array* l = 0; |
---|
| 157 | if (i == mBoneIndex->end()) |
---|
| 158 | { |
---|
| 159 | l = new Vector3Array; |
---|
| 160 | mBoneIndex->insert(BoneKeyIndex(currBone, l)); |
---|
| 161 | } |
---|
| 162 | else |
---|
| 163 | { |
---|
| 164 | l = i->second; |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | l->push_back(*curVertices); |
---|
| 168 | |
---|
| 169 | curVertices++; |
---|
| 170 | } |
---|
| 171 | vbuf->unlock(); |
---|
| 172 | } |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | //------------------------------------------------------------------------------------------------ |
---|
| 176 | void VertexIndexToShape::addIndexData(IndexData *data, const unsigned int offset) |
---|
| 177 | { |
---|
| 178 | const unsigned int prev_size = mIndexCount; |
---|
| 179 | mIndexCount += (unsigned int)data->indexCount; |
---|
| 180 | |
---|
| 181 | unsigned int* tmp_ind = new unsigned int[mIndexCount]; |
---|
| 182 | if (mIndexBuffer) |
---|
| 183 | { |
---|
| 184 | memcpy (tmp_ind, mIndexBuffer, sizeof(unsigned int) * prev_size); |
---|
| 185 | delete[] mIndexBuffer; |
---|
| 186 | } |
---|
| 187 | mIndexBuffer = tmp_ind; |
---|
| 188 | |
---|
| 189 | const unsigned int numTris = (unsigned int) data->indexCount / 3; |
---|
| 190 | HardwareIndexBufferSharedPtr ibuf = data->indexBuffer; |
---|
| 191 | const bool use32bitindexes = (ibuf->getType() == HardwareIndexBuffer::IT_32BIT); |
---|
| 192 | unsigned int index_offset = prev_size; |
---|
| 193 | |
---|
| 194 | if (use32bitindexes) |
---|
| 195 | { |
---|
| 196 | const unsigned int* pInt = static_cast<unsigned int*>(ibuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 197 | for(unsigned int k = 0; k < numTris; ++k) |
---|
| 198 | { |
---|
| 199 | mIndexBuffer[index_offset ++] = offset + *pInt++; |
---|
| 200 | mIndexBuffer[index_offset ++] = offset + *pInt++; |
---|
| 201 | mIndexBuffer[index_offset ++] = offset + *pInt++; |
---|
| 202 | } |
---|
| 203 | ibuf->unlock(); |
---|
| 204 | } |
---|
| 205 | else |
---|
| 206 | { |
---|
| 207 | const unsigned short* pShort = static_cast<unsigned short*>(ibuf->lock(HardwareBuffer::HBL_READ_ONLY)); |
---|
| 208 | for(unsigned int k = 0; k < numTris; ++k) |
---|
| 209 | { |
---|
| 210 | mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
---|
| 211 | mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
---|
| 212 | mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++); |
---|
| 213 | } |
---|
| 214 | ibuf->unlock(); |
---|
| 215 | } |
---|
| 216 | |
---|
| 217 | } |
---|
| 218 | //------------------------------------------------------------------------------------------------ |
---|
| 219 | Real VertexIndexToShape::getRadius() |
---|
| 220 | { |
---|
| 221 | if (mBoundRadius == (-1)) |
---|
| 222 | { |
---|
| 223 | getSize(); |
---|
| 224 | mBoundRadius = (std::max(mBounds.x,std::max(mBounds.y,mBounds.z)) * 0.5); |
---|
| 225 | } |
---|
| 226 | return mBoundRadius; |
---|
| 227 | } |
---|
| 228 | //------------------------------------------------------------------------------------------------ |
---|
| 229 | Vector3 VertexIndexToShape::getSize() |
---|
| 230 | { |
---|
| 231 | const unsigned int vCount = getVertexCount(); |
---|
| 232 | if (mBounds == Ogre::Vector3(-1,-1,-1) && vCount > 0) |
---|
| 233 | { |
---|
| 234 | |
---|
| 235 | const Ogre::Vector3 * const v = getVertices(); |
---|
| 236 | |
---|
| 237 | Ogre::Vector3 vmin(v[0]); |
---|
| 238 | Ogre::Vector3 vmax(v[0]); |
---|
| 239 | |
---|
| 240 | for(unsigned int j = 1; j < vCount; j++) |
---|
| 241 | { |
---|
| 242 | vmin.x = std::min(vmin.x, v[j].x); |
---|
| 243 | vmin.y = std::min(vmin.y, v[j].y); |
---|
| 244 | vmin.z = std::min(vmin.z, v[j].z); |
---|
| 245 | |
---|
| 246 | vmax.x = std::max(vmax.x, v[j].x); |
---|
| 247 | vmax.y = std::max(vmax.y, v[j].y); |
---|
| 248 | vmax.z = std::max(vmax.z, v[j].z); |
---|
| 249 | } |
---|
| 250 | |
---|
| 251 | mBounds.x = vmax.x - vmin.x; |
---|
| 252 | mBounds.y = vmax.y - vmin.y; |
---|
| 253 | mBounds.z = vmax.z - vmin.z; |
---|
| 254 | } |
---|
| 255 | |
---|
| 256 | return mBounds; |
---|
| 257 | } |
---|
| 258 | //------------------------------------------------------------------------------------------------ |
---|
| 259 | const Ogre::Vector3* VertexIndexToShape::getVertices() |
---|
| 260 | { |
---|
| 261 | return mVertexBuffer; |
---|
| 262 | } |
---|
| 263 | //------------------------------------------------------------------------------------------------ |
---|
| 264 | unsigned int VertexIndexToShape::getVertexCount() |
---|
| 265 | { |
---|
| 266 | return mVertexCount; |
---|
| 267 | } |
---|
| 268 | //------------------------------------------------------------------------------------------------ |
---|
| 269 | const unsigned int* VertexIndexToShape::getIndices() |
---|
| 270 | { |
---|
| 271 | return mIndexBuffer; |
---|
| 272 | } |
---|
| 273 | //------------------------------------------------------------------------------------------------ |
---|
| 274 | unsigned int VertexIndexToShape::getIndexCount() |
---|
| 275 | { |
---|
| 276 | return mIndexCount; |
---|
| 277 | } |
---|
| 278 | |
---|
| 279 | //------------------------------------------------------------------------------------------------ |
---|
| 280 | SphereCollisionShape* VertexIndexToShape::createSphere() |
---|
| 281 | { |
---|
| 282 | const Ogre::Real rad = getRadius(); |
---|
| 283 | assert((rad > 0.0) && |
---|
| 284 | ("Sphere radius must be greater than zero")); |
---|
| 285 | SphereCollisionShape* shape = new SphereCollisionShape(rad); |
---|
| 286 | |
---|
| 287 | return shape; |
---|
| 288 | } |
---|
| 289 | //------------------------------------------------------------------------------------------------ |
---|
| 290 | BoxCollisionShape* VertexIndexToShape::createBox() |
---|
| 291 | { |
---|
| 292 | const Ogre::Vector3 sz = getSize(); |
---|
| 293 | |
---|
| 294 | assert((sz.x > 0.0) && (sz.y > 0.0) && (sz.y > 0.0) && |
---|
| 295 | ("Size of box must be greater than zero on all axes")); |
---|
| 296 | |
---|
| 297 | BoxCollisionShape* shape = new BoxCollisionShape(sz); |
---|
| 298 | return shape; |
---|
| 299 | } |
---|
| 300 | //------------------------------------------------------------------------------------------------ |
---|
| 301 | CylinderCollisionShape* VertexIndexToShape::createCylinder() |
---|
| 302 | { |
---|
| 303 | const Ogre::Vector3 sz = getSize(); |
---|
| 304 | |
---|
| 305 | assert((sz.x > 0.0) && (sz.y > 0.0) && (sz.y > 0.0) && |
---|
| 306 | ("Size of Cylinder must be greater than zero on all axes")); |
---|
| 307 | |
---|
| 308 | CylinderCollisionShape* shape = new CylinderCollisionShape(sz, Vector3::UNIT_X); |
---|
| 309 | return shape; |
---|
| 310 | } |
---|
| 311 | //------------------------------------------------------------------------------------------------ |
---|
| 312 | ConvexHullCollisionShape* VertexIndexToShape::createConvex() |
---|
| 313 | { |
---|
| 314 | assert(mVertexCount && (mIndexCount >= 6) && |
---|
| 315 | ("Mesh must have some vertices and at least 6 indices (2 triangles)")); |
---|
| 316 | |
---|
| 317 | return new ConvexHullCollisionShape(&mVertexBuffer[0].x, mVertexCount, sizeof(Vector3)); |
---|
| 318 | } |
---|
| 319 | //------------------------------------------------------------------------------------------------ |
---|
| 320 | TriangleMeshCollisionShape* VertexIndexToShape::createTrimesh() |
---|
| 321 | { |
---|
| 322 | assert(mVertexCount && (mIndexCount >= 6) && |
---|
| 323 | ("Mesh must have some vertices and at least 6 indices (2 triangles)")); |
---|
| 324 | |
---|
| 325 | return new TriangleMeshCollisionShape(mVertexBuffer, mVertexCount,mIndexBuffer, mIndexCount); |
---|
| 326 | } |
---|
| 327 | //------------------------------------------------------------------------------------------------ |
---|
| 328 | VertexIndexToShape::~VertexIndexToShape() |
---|
| 329 | { |
---|
| 330 | delete[] mVertexBuffer; |
---|
| 331 | delete[] mIndexBuffer; |
---|
| 332 | |
---|
| 333 | if (mBoneIndex) |
---|
| 334 | { |
---|
| 335 | for(BoneIndex::iterator i = mBoneIndex->begin(); |
---|
| 336 | i != mBoneIndex->end(); |
---|
| 337 | ++i) |
---|
| 338 | { |
---|
| 339 | delete i->second; |
---|
| 340 | } |
---|
| 341 | delete mBoneIndex; |
---|
| 342 | } |
---|
| 343 | } |
---|
| 344 | //------------------------------------------------------------------------------------------------ |
---|
| 345 | VertexIndexToShape::VertexIndexToShape(const Matrix4 &transform) : |
---|
| 346 | mVertexBuffer (0), |
---|
| 347 | mIndexBuffer (0), |
---|
| 348 | mVertexCount (0), |
---|
| 349 | mIndexCount (0), |
---|
| 350 | mBounds (Vector3(-1,-1,-1)), |
---|
| 351 | mBoundRadius (-1), |
---|
| 352 | mBoneIndex (0), |
---|
| 353 | mTransform (transform) |
---|
| 354 | { |
---|
| 355 | } |
---|
| 356 | //------------------------------------------------------------------------------------------------ |
---|
| 357 | StaticMeshToShapeConverter::StaticMeshToShapeConverter() : |
---|
| 358 | VertexIndexToShape(), |
---|
| 359 | mEntity (0), |
---|
| 360 | mNode (0) |
---|
| 361 | { |
---|
| 362 | } |
---|
| 363 | //------------------------------------------------------------------------------------------------ |
---|
| 364 | StaticMeshToShapeConverter::~StaticMeshToShapeConverter() |
---|
| 365 | { |
---|
| 366 | } |
---|
| 367 | //------------------------------------------------------------------------------------------------ |
---|
| 368 | StaticMeshToShapeConverter::StaticMeshToShapeConverter(Entity *entity, const Matrix4 &transform) : |
---|
| 369 | VertexIndexToShape(transform), |
---|
| 370 | mEntity (0), |
---|
| 371 | mNode (0) |
---|
| 372 | { |
---|
| 373 | addEntity(entity, transform); |
---|
| 374 | } |
---|
| 375 | //------------------------------------------------------------------------------------------------ |
---|
| 376 | StaticMeshToShapeConverter::StaticMeshToShapeConverter(Renderable *rend, const Matrix4 &transform) : |
---|
| 377 | VertexIndexToShape(transform), |
---|
| 378 | mEntity (0), |
---|
| 379 | mNode (0) |
---|
| 380 | { |
---|
| 381 | RenderOperation op; |
---|
| 382 | rend->getRenderOperation(op); |
---|
| 383 | VertexIndexToShape::addStaticVertexData(op.vertexData); |
---|
| 384 | if(op.useIndexes) |
---|
| 385 | VertexIndexToShape::addIndexData(op.indexData); |
---|
| 386 | |
---|
| 387 | } |
---|
| 388 | //------------------------------------------------------------------------------------------------ |
---|
| 389 | void StaticMeshToShapeConverter::addEntity(Entity *entity,const Matrix4 &transform) |
---|
| 390 | { |
---|
| 391 | // Each entity added need to reset size and radius |
---|
| 392 | // next time getRadius and getSize are asked, they're computed. |
---|
| 393 | mBounds = Ogre::Vector3(-1,-1,-1); |
---|
| 394 | mBoundRadius = -1; |
---|
| 395 | |
---|
| 396 | mEntity = entity; |
---|
| 397 | mNode = (SceneNode*)(mEntity->getParentNode()); |
---|
| 398 | mTransform = transform; |
---|
| 399 | |
---|
| 400 | if (mEntity->getMesh()->sharedVertexData) |
---|
| 401 | { |
---|
| 402 | VertexIndexToShape::addStaticVertexData (mEntity->getMesh()->sharedVertexData); |
---|
| 403 | } |
---|
| 404 | |
---|
| 405 | for (unsigned int i = 0;i < mEntity->getNumSubEntities();++i) |
---|
| 406 | { |
---|
| 407 | SubMesh *sub_mesh = mEntity->getSubEntity(i)->getSubMesh(); |
---|
| 408 | |
---|
| 409 | if (!sub_mesh->useSharedVertices) |
---|
| 410 | { |
---|
| 411 | VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount); |
---|
| 412 | VertexIndexToShape::addStaticVertexData (sub_mesh->vertexData); |
---|
| 413 | } |
---|
| 414 | else |
---|
| 415 | { |
---|
| 416 | VertexIndexToShape::addIndexData (sub_mesh->indexData); |
---|
| 417 | } |
---|
| 418 | |
---|
| 419 | } |
---|
| 420 | } |
---|
| 421 | //------------------------------------------------------------------------------------------------ |
---|
| 422 | void StaticMeshToShapeConverter::addMesh(const MeshPtr &mesh, const Matrix4 &transform) |
---|
| 423 | { |
---|
| 424 | // Each entity added need to reset size and radius |
---|
| 425 | // next time getRadius and getSize are asked, they're computed. |
---|
| 426 | mBounds = Ogre::Vector3(-1,-1,-1); |
---|
| 427 | mBoundRadius = -1; |
---|
| 428 | |
---|
| 429 | //_entity = entity; |
---|
| 430 | //_node = (SceneNode*)(_entity->getParentNode()); |
---|
| 431 | mTransform = transform; |
---|
| 432 | |
---|
| 433 | if (mesh->hasSkeleton ()) |
---|
| 434 | Ogre::LogManager::getSingleton().logMessage("MeshToShapeConverter::addMesh : Mesh " + mesh->getName () + " as skeleton but added to trimesh non animated"); |
---|
| 435 | |
---|
| 436 | if (mesh->sharedVertexData) |
---|
| 437 | { |
---|
| 438 | VertexIndexToShape::addStaticVertexData (mesh->sharedVertexData); |
---|
| 439 | } |
---|
| 440 | |
---|
| 441 | for(unsigned int i = 0;i < mesh->getNumSubMeshes();++i) |
---|
| 442 | { |
---|
| 443 | SubMesh *sub_mesh = mesh->getSubMesh(i); |
---|
| 444 | |
---|
| 445 | if (!sub_mesh->useSharedVertices) |
---|
| 446 | { |
---|
| 447 | VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount); |
---|
| 448 | VertexIndexToShape::addStaticVertexData (sub_mesh->vertexData); |
---|
| 449 | } |
---|
| 450 | else |
---|
| 451 | { |
---|
| 452 | VertexIndexToShape::addIndexData (sub_mesh->indexData); |
---|
| 453 | } |
---|
| 454 | |
---|
| 455 | } |
---|
| 456 | } |
---|
| 457 | //------------------------------------------------------------------------------------------------ |
---|
| 458 | AnimatedMeshToShapeConverter::AnimatedMeshToShapeConverter(Entity *entity,const Matrix4 &transform) : |
---|
| 459 | VertexIndexToShape(transform), |
---|
| 460 | mEntity (0), |
---|
| 461 | mNode (0), |
---|
| 462 | mTransformedVerticesTemp(0), |
---|
| 463 | mTransformedVerticesTempSize(0) |
---|
| 464 | { |
---|
| 465 | addEntity(entity, transform); |
---|
| 466 | } |
---|
| 467 | //------------------------------------------------------------------------------------------------ |
---|
| 468 | AnimatedMeshToShapeConverter::AnimatedMeshToShapeConverter() : |
---|
| 469 | VertexIndexToShape(), |
---|
| 470 | mEntity (0), |
---|
| 471 | mNode (0), |
---|
| 472 | mTransformedVerticesTemp(0), |
---|
| 473 | mTransformedVerticesTempSize(0) |
---|
| 474 | { |
---|
| 475 | } |
---|
| 476 | //------------------------------------------------------------------------------------------------ |
---|
| 477 | AnimatedMeshToShapeConverter::~AnimatedMeshToShapeConverter() |
---|
| 478 | { |
---|
| 479 | delete[] mTransformedVerticesTemp; |
---|
| 480 | } |
---|
| 481 | //------------------------------------------------------------------------------------------------ |
---|
| 482 | void AnimatedMeshToShapeConverter::addEntity(Entity *entity,const Matrix4 &transform) |
---|
| 483 | { |
---|
| 484 | // Each entity added need to reset size and radius |
---|
| 485 | // next time getRadius and getSize are asked, they're computed. |
---|
| 486 | mBounds = Ogre::Vector3(-1,-1,-1); |
---|
| 487 | mBoundRadius = -1; |
---|
| 488 | |
---|
| 489 | mEntity = entity; |
---|
| 490 | mNode = (SceneNode*)(mEntity->getParentNode()); |
---|
| 491 | mTransform = transform; |
---|
| 492 | |
---|
| 493 | assert (entity->getMesh()->hasSkeleton ()); |
---|
| 494 | |
---|
| 495 | mEntity->addSoftwareAnimationRequest(false); |
---|
| 496 | mEntity->_updateAnimation(); |
---|
| 497 | |
---|
| 498 | if (mEntity->getMesh()->sharedVertexData) |
---|
| 499 | { |
---|
| 500 | VertexIndexToShape::addAnimatedVertexData (mEntity->getMesh()->sharedVertexData, |
---|
| 501 | mEntity->_getSkelAnimVertexData(), |
---|
| 502 | &mEntity->getMesh()->sharedBlendIndexToBoneIndexMap); |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | for (unsigned int i = 0;i < mEntity->getNumSubEntities();++i) |
---|
| 506 | { |
---|
| 507 | SubMesh *sub_mesh = mEntity->getSubEntity(i)->getSubMesh(); |
---|
| 508 | |
---|
| 509 | if (!sub_mesh->useSharedVertices) |
---|
| 510 | { |
---|
| 511 | VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount); |
---|
| 512 | |
---|
| 513 | VertexIndexToShape::addAnimatedVertexData (sub_mesh->vertexData, |
---|
| 514 | mEntity->getSubEntity(i)->_getSkelAnimVertexData(), |
---|
| 515 | &sub_mesh->blendIndexToBoneIndexMap); |
---|
| 516 | } |
---|
| 517 | else |
---|
| 518 | { |
---|
| 519 | VertexIndexToShape::addIndexData (sub_mesh->indexData); |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | } |
---|
| 523 | |
---|
| 524 | mEntity->removeSoftwareAnimationRequest(false); |
---|
| 525 | } |
---|
| 526 | //------------------------------------------------------------------------------------------------ |
---|
| 527 | void AnimatedMeshToShapeConverter::addMesh(const MeshPtr &mesh, const Matrix4 &transform) |
---|
| 528 | { |
---|
| 529 | // Each entity added need to reset size and radius |
---|
| 530 | // next time getRadius and getSize are asked, they're computed. |
---|
| 531 | mBounds = Ogre::Vector3(-1,-1,-1); |
---|
| 532 | mBoundRadius = -1; |
---|
| 533 | |
---|
| 534 | //_entity = entity; |
---|
| 535 | //_node = (SceneNode*)(_entity->getParentNode()); |
---|
| 536 | mTransform = transform; |
---|
| 537 | |
---|
| 538 | assert (mesh->hasSkeleton ()); |
---|
| 539 | |
---|
| 540 | if (mesh->sharedVertexData) |
---|
| 541 | { |
---|
| 542 | VertexIndexToShape::addAnimatedVertexData (mesh->sharedVertexData, |
---|
| 543 | 0, |
---|
| 544 | &mesh->sharedBlendIndexToBoneIndexMap); |
---|
| 545 | } |
---|
| 546 | |
---|
| 547 | for(unsigned int i = 0;i < mesh->getNumSubMeshes();++i) |
---|
| 548 | { |
---|
| 549 | SubMesh *sub_mesh = mesh->getSubMesh(i); |
---|
| 550 | |
---|
| 551 | if (!sub_mesh->useSharedVertices) |
---|
| 552 | { |
---|
| 553 | VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount); |
---|
| 554 | |
---|
| 555 | VertexIndexToShape::addAnimatedVertexData (sub_mesh->vertexData, |
---|
| 556 | 0, |
---|
| 557 | &sub_mesh->blendIndexToBoneIndexMap); |
---|
| 558 | } |
---|
| 559 | else |
---|
| 560 | { |
---|
| 561 | VertexIndexToShape::addIndexData (sub_mesh->indexData); |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | } |
---|
| 565 | } |
---|
| 566 | //------------------------------------------------------------------------------------------------ |
---|
| 567 | bool AnimatedMeshToShapeConverter::getBoneVertices(unsigned char bone, |
---|
| 568 | unsigned int &vertex_count, |
---|
| 569 | Ogre::Vector3* &vertices, |
---|
| 570 | const Vector3 &bonePosition) |
---|
| 571 | { |
---|
| 572 | BoneIndex::iterator i = mBoneIndex->find(bone); |
---|
| 573 | |
---|
| 574 | if (i == mBoneIndex->end()) |
---|
| 575 | return false; |
---|
| 576 | |
---|
| 577 | if (i->second->empty()) |
---|
| 578 | return false; |
---|
| 579 | |
---|
| 580 | vertex_count = (unsigned int) i->second->size() + 1; |
---|
| 581 | if (vertex_count > mTransformedVerticesTempSize) |
---|
| 582 | { |
---|
| 583 | if (mTransformedVerticesTemp) |
---|
| 584 | delete[] mTransformedVerticesTemp; |
---|
| 585 | |
---|
| 586 | mTransformedVerticesTemp = new Ogre::Vector3[vertex_count]; |
---|
| 587 | |
---|
| 588 | } |
---|
| 589 | |
---|
| 590 | vertices = mTransformedVerticesTemp; |
---|
| 591 | vertices[0] = bonePosition; |
---|
| 592 | //mEntity->_getParentNodeFullTransform() * |
---|
| 593 | // mEntity->getSkeleton()->getBone(bone)->_getDerivedPosition(); |
---|
| 594 | |
---|
| 595 | //mEntity->getSkeleton()->getBone(bone)->_getDerivedOrientation() |
---|
| 596 | unsigned int currBoneVertex = 1; |
---|
| 597 | Vector3Array::iterator j = i->second->begin(); |
---|
| 598 | while(j != i->second->end()) |
---|
| 599 | { |
---|
| 600 | vertices[currBoneVertex] = (*j); |
---|
| 601 | ++j; |
---|
| 602 | ++currBoneVertex; |
---|
| 603 | } |
---|
| 604 | return true; |
---|
| 605 | } |
---|
| 606 | //------------------------------------------------------------------------------------------------ |
---|
| 607 | BoxCollisionShape* AnimatedMeshToShapeConverter::createAlignedBox(unsigned char bone, |
---|
| 608 | const Vector3 &bonePosition, |
---|
| 609 | const Quaternion &boneOrientation) |
---|
| 610 | { |
---|
| 611 | unsigned int vertex_count; |
---|
| 612 | Vector3* vertices; |
---|
| 613 | |
---|
| 614 | if (!getBoneVertices(bone, vertex_count, vertices, bonePosition)) |
---|
| 615 | return 0; |
---|
| 616 | |
---|
| 617 | Vector3 min_vec(vertices[0]); |
---|
| 618 | Vector3 max_vec(vertices[0]); |
---|
| 619 | |
---|
| 620 | for(unsigned int j = 1; j < vertex_count ;j++) |
---|
| 621 | { |
---|
| 622 | min_vec.x = std::min(min_vec.x,vertices[j].x); |
---|
| 623 | min_vec.y = std::min(min_vec.y,vertices[j].y); |
---|
| 624 | min_vec.z = std::min(min_vec.z,vertices[j].z); |
---|
| 625 | |
---|
| 626 | max_vec.x = std::max(max_vec.x,vertices[j].x); |
---|
| 627 | max_vec.y = std::max(max_vec.y,vertices[j].y); |
---|
| 628 | max_vec.z = std::max(max_vec.z,vertices[j].z); |
---|
| 629 | } |
---|
| 630 | const Ogre::Vector3 maxMinusMin(max_vec - min_vec); |
---|
| 631 | BoxCollisionShape* box = new BoxCollisionShape(maxMinusMin); |
---|
| 632 | |
---|
| 633 | const Ogre::Vector3 pos |
---|
| 634 | (min_vec.x + (maxMinusMin.x * 0.5), |
---|
| 635 | min_vec.y + (maxMinusMin.y * 0.5), |
---|
| 636 | min_vec.z + (maxMinusMin.z * 0.5)); |
---|
| 637 | |
---|
| 638 | //box->setPosition(pos); |
---|
| 639 | |
---|
| 640 | return box; |
---|
| 641 | } |
---|
| 642 | //------------------------------------------------------------------------------------------------ |
---|
| 643 | bool AnimatedMeshToShapeConverter::getOrientedBox(unsigned char bone, |
---|
| 644 | const Vector3 &bonePosition, |
---|
| 645 | const Quaternion &boneOrientation, |
---|
| 646 | Vector3 &box_afExtent, |
---|
| 647 | Vector3 *box_akAxis, |
---|
| 648 | Vector3 &box_kCenter) |
---|
| 649 | { |
---|
| 650 | unsigned int vertex_count; |
---|
| 651 | Vector3* vertices; |
---|
| 652 | |
---|
| 653 | if (!getBoneVertices(bone, vertex_count, vertices, bonePosition)) |
---|
| 654 | return false; |
---|
| 655 | |
---|
| 656 | box_kCenter = Vector3::ZERO; |
---|
| 657 | |
---|
| 658 | { |
---|
| 659 | for(unsigned int c = 0 ;c < vertex_count;c++) |
---|
| 660 | { |
---|
| 661 | box_kCenter += vertices[c]; |
---|
| 662 | } |
---|
| 663 | const Ogre::Real invVertexCount = 1.0 / vertex_count; |
---|
| 664 | box_kCenter *= invVertexCount; |
---|
| 665 | } |
---|
| 666 | Quaternion orient = boneOrientation; |
---|
| 667 | orient.ToAxes(box_akAxis); |
---|
| 668 | |
---|
| 669 | |
---|
| 670 | // Let C be the box center and let U0, U1, and U2 be the box axes. Each |
---|
| 671 | // input point is of the form X = C + y0*U0 + y1*U1 + y2*U2. The |
---|
| 672 | // following code computes min(y0), max(y0), min(y1), max(y1), min(y2), |
---|
| 673 | // and max(y2). The box center is then adjusted to be |
---|
| 674 | // C' = C + 0.5*(min(y0)+max(y0))*U0 + 0.5*(min(y1)+max(y1))*U1 + |
---|
| 675 | // 0.5*(min(y2)+max(y2))*U2 |
---|
| 676 | |
---|
| 677 | Ogre::Vector3 kDiff (vertices[1] - box_kCenter); |
---|
| 678 | Ogre::Real fY0Min = kDiff.dotProduct(box_akAxis[0]), fY0Max = fY0Min; |
---|
| 679 | Ogre::Real fY1Min = kDiff.dotProduct(box_akAxis[1]), fY1Max = fY1Min; |
---|
| 680 | Ogre::Real fY2Min = kDiff.dotProduct(box_akAxis[2]), fY2Max = fY2Min; |
---|
| 681 | |
---|
| 682 | for (unsigned int i = 2; i < vertex_count; i++) |
---|
| 683 | { |
---|
| 684 | kDiff = vertices[i] - box_kCenter; |
---|
| 685 | |
---|
| 686 | const Ogre::Real fY0 = kDiff.dotProduct(box_akAxis[0]); |
---|
| 687 | if ( fY0 < fY0Min ) |
---|
| 688 | fY0Min = fY0; |
---|
| 689 | else if ( fY0 > fY0Max ) |
---|
| 690 | fY0Max = fY0; |
---|
| 691 | |
---|
| 692 | const Ogre::Real fY1 = kDiff.dotProduct(box_akAxis[1]); |
---|
| 693 | if ( fY1 < fY1Min ) |
---|
| 694 | fY1Min = fY1; |
---|
| 695 | else if ( fY1 > fY1Max ) |
---|
| 696 | fY1Max = fY1; |
---|
| 697 | |
---|
| 698 | const Ogre::Real fY2 = kDiff.dotProduct(box_akAxis[2]); |
---|
| 699 | if ( fY2 < fY2Min ) |
---|
| 700 | fY2Min = fY2; |
---|
| 701 | else if ( fY2 > fY2Max ) |
---|
| 702 | fY2Max = fY2; |
---|
| 703 | } |
---|
| 704 | |
---|
| 705 | box_afExtent.x = ((Real)0.5)*(fY0Max - fY0Min); |
---|
| 706 | box_afExtent.y = ((Real)0.5)*(fY1Max - fY1Min); |
---|
| 707 | box_afExtent.z = ((Real)0.5)*(fY2Max - fY2Min); |
---|
| 708 | |
---|
| 709 | box_kCenter += (0.5*(fY0Max+fY0Min))*box_akAxis[0] + |
---|
| 710 | (0.5*(fY1Max+fY1Min))*box_akAxis[1] + |
---|
| 711 | (0.5*(fY2Max+fY2Min))*box_akAxis[2]; |
---|
| 712 | |
---|
| 713 | box_afExtent *= 2.0; |
---|
| 714 | |
---|
| 715 | return true; |
---|
| 716 | } |
---|
| 717 | //------------------------------------------------------------------------------------------------ |
---|
| 718 | BoxCollisionShape* AnimatedMeshToShapeConverter::createOrientedBox(unsigned char bone, |
---|
| 719 | const Vector3 &bonePosition, |
---|
| 720 | const Quaternion &boneOrientation) |
---|
| 721 | { |
---|
| 722 | Ogre::Vector3 box_akAxis[3]; |
---|
| 723 | Ogre::Vector3 box_afExtent; |
---|
| 724 | Ogre::Vector3 box_afCenter; |
---|
| 725 | |
---|
| 726 | if (!getOrientedBox(bone, bonePosition, boneOrientation, |
---|
| 727 | box_afExtent, |
---|
| 728 | box_akAxis, |
---|
| 729 | box_afCenter)) |
---|
| 730 | return 0; |
---|
| 731 | |
---|
| 732 | BoxCollisionShape *geom = new BoxCollisionShape(box_afExtent); |
---|
| 733 | //geom->setOrientation(Quaternion(box_akAxis[0],box_akAxis[1],box_akAxis[2])); |
---|
| 734 | //geom->setPosition(box_afCenter); |
---|
| 735 | return geom; |
---|
| 736 | } |
---|
| 737 | //------------------------------------------------------------------------------------------------ |
---|
| 738 | CapsuleCollisionShape* AnimatedMeshToShapeConverter::createOrientedCapsuleCollisionShape(unsigned char bone, |
---|
| 739 | const Vector3 &bonePosition, |
---|
| 740 | const Quaternion &boneOrientation) |
---|
| 741 | { |
---|
| 742 | Ogre::Vector3 box_akAxis[3]; |
---|
| 743 | Ogre::Vector3 box_afExtent; |
---|
| 744 | Ogre::Vector3 box_afCenter; |
---|
| 745 | |
---|
| 746 | if (!getOrientedBox(bone, bonePosition, boneOrientation, |
---|
| 747 | box_afExtent, |
---|
| 748 | box_akAxis, |
---|
| 749 | box_afCenter)) |
---|
| 750 | return 0; |
---|
| 751 | |
---|
| 752 | // find axes with longest length |
---|
| 753 | |
---|
| 754 | Vector3 cap_dir; //std::max(box_afExtent.x,std::max(box_afExtent.y,box_afExtent.z)); |
---|
| 755 | Real cap_dirLength; //std::max(box_afExtent.x,std::max(box_afExtent.y,box_afExtent.z)); |
---|
| 756 | Real cap_radius; // max axe length |
---|
| 757 | if (box_afExtent.x - box_afExtent.y > 0 && box_afExtent.x - box_afExtent.z > 0) |
---|
| 758 | { |
---|
| 759 | cap_dir = Vector3::UNIT_X; |
---|
| 760 | cap_dirLength = box_afExtent.x; |
---|
| 761 | cap_radius = std::max (box_afExtent.y, box_afExtent.z); |
---|
| 762 | } |
---|
| 763 | else if (box_afExtent.y - box_afExtent.x > 0 && box_afExtent.y - box_afExtent.z > 0) |
---|
| 764 | { |
---|
| 765 | cap_dir = Vector3::UNIT_Y; |
---|
| 766 | cap_dirLength = box_afExtent.y; |
---|
| 767 | cap_radius = std::max (box_afExtent.x, box_afExtent.z); |
---|
| 768 | } |
---|
| 769 | else if (box_afExtent.z - box_afExtent.y > 0 && box_afExtent.z - box_afExtent.y > 0) |
---|
| 770 | { |
---|
| 771 | cap_dir = Vector3::UNIT_Z; |
---|
| 772 | cap_dirLength = box_afExtent.z; |
---|
| 773 | cap_radius = std::max (box_afExtent.x, box_afExtent.z); |
---|
| 774 | } |
---|
| 775 | |
---|
| 776 | CapsuleCollisionShape* geom = new CapsuleCollisionShape(cap_radius, cap_dirLength, cap_dir); |
---|
| 777 | |
---|
| 778 | //geom->setOrientation(orient); |
---|
| 779 | //geom->setPosition(cap_orig + (boneOrientation * (cap_dirLength * 0.5))); |
---|
| 780 | |
---|
| 781 | return geom; |
---|
| 782 | } |
---|