std::pair<int, int> MeshUtils::getMeshCount(const Ogre::MeshPtr& mesh)
{
size_t vertex_count = 0;
size_t index_count = 0;
bool added_shared = false;
for (int j = 0; j < mesh->getNumSubMeshes(); j++) {
Ogre::SubMesh* submesh = mesh->getSubMesh(j);
// VertexData* vertex_data = submesh->vertexData;
// IndexData* index_data = submesh->indexData;
// We only need to add the shared vertices once
if (submesh->useSharedVertices) {
if (!added_shared) {
vertex_count += mesh->sharedVertexData->vertexCount;
added_shared = true;
}
} else {
vertex_count += submesh->vertexData->vertexCount;
}
// Add the indices
index_count += submesh->indexData->indexCount;
}
return std::make_pair(vertex_count, index_count);
}
//------------------------------------------------------------------------------------------------
void StaticMeshToShapeConverter::addMesh(const Ogre::MeshPtr &mesh, const Ogre::Matrix4 &transform)
{
// Each entity added need to reset size and radius
// next time getRadius and getSize are asked, they're computed.
mBounds = Ogre::Vector3(-1,-1,-1);
mBoundRadius = -1;
//_entity = entity;
//_node = (SceneNode*)(_entity->getParentNode());
mTransform = transform;
if (mesh->hasSkeleton ())
Ogre::LogManager::getSingleton().logMessage("MeshToShapeConverter::addMesh : Mesh " + mesh->getName () + " as skeleton but added to trimesh non animated");
if (mesh->sharedVertexData)
{
VertexIndexToShape::addStaticVertexData (mesh->sharedVertexData);
}
for(unsigned int i = 0;i < mesh->getNumSubMeshes();++i)
{
Ogre::SubMesh *sub_mesh = mesh->getSubMesh(i);
if (!sub_mesh->useSharedVertices)
{
VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount);
VertexIndexToShape::addStaticVertexData (sub_mesh->vertexData);
}
else
{
VertexIndexToShape::addIndexData (sub_mesh->indexData);
}
}
}
void LodInputBuffer::fillBuffer( Ogre::MeshPtr mesh )
{
meshName = mesh->getName();
boundingSphereRadius = mesh->getBoundingSphereRadius();
bool sharedVerticesAdded = false;
unsigned short submeshCount = mesh->getNumSubMeshes();
submesh.resize(submeshCount);
for (unsigned short i = 0; i < submeshCount; i++) {
const SubMesh* ogresubmesh = mesh->getSubMesh(i);
LodInputBuffer::Submesh& outsubmesh = submesh[i];
outsubmesh.indexBuffer.fillBuffer(ogresubmesh->indexData);
outsubmesh.useSharedVertexBuffer = ogresubmesh->useSharedVertices;
if (!outsubmesh.useSharedVertexBuffer) {
outsubmesh.vertexBuffer.fillBuffer(ogresubmesh->vertexData);
} else if (!sharedVerticesAdded) {
sharedVerticesAdded = true;
sharedVertexBuffer.fillBuffer(mesh->sharedVertexData);
}
}
}
// Create the scene node for the ocean. We create a plane, add the ocean material, create a scene node
// and add the plane to the scene node and return that scene node.
// BETWEEN FRAME OPERATION
Ogre::SceneNode* Region::CreateOcean(Ogre::SceneNode* regionNode,
const float width, const float length, const float waterHeight, Ogre::String waterName) {
Ogre::Plane* oceanPlane = new Ogre::Plane(0.0, 0.0, 1.0, 0);
Ogre::MeshPtr oceanMesh = Ogre::MeshManager::getSingleton().createPlane(waterName, OLResourceGroupName,
*oceanPlane, width, length,
2, 2, true,
2, 2.0, 2.0, Ogre::Vector3::UNIT_Y);
Ogre::String oceanMaterialName = LG::GetParameter("Renderer.Ogre.OceanMaterialName");
LG::Log("Region::CreateOcean: r=%s, h=%f, n=%s, m=%s",
regionNode->getName().c_str(), waterHeight, waterName.c_str(), oceanMaterialName.c_str());
oceanMesh->getSubMesh(0)->setMaterialName(oceanMaterialName);
Ogre::Entity* oceanEntity = LG::RendererOgre::Instance()->m_sceneMgr->createEntity("WaterEntity/" + waterName, oceanMesh->getName());
oceanEntity->addQueryFlags(Ogre::SceneManager::WORLD_GEOMETRY_TYPE_MASK);
oceanEntity->setCastShadows(false);
Ogre::SceneNode* oceanNode = regionNode->createChildSceneNode("WaterSceneNode/" + waterName);
oceanNode->setInheritOrientation(true);
oceanNode->setInheritScale(false);
oceanNode->translate(width/2.0f, length/2.0f, waterHeight);
oceanNode->attachObject(oceanEntity);
return oceanNode;
}
//------------------------------------------------------------------------------------------------
void AnimatedMeshToShapeConverter::addMesh(const Ogre::MeshPtr &mesh,
const Ogre::Matrix4 &transform)
{
// Each entity added need to reset size and radius
// next time getRadius and getSize are asked, they're computed.
mBounds = Ogre::Vector3(-1.0f , -1.0f, -1.0f);
mBoundRadius = -1.0f;
//_entity = entity;
//_node = (SceneNode*)(_entity->getParentNode());
mTransform = transform;
assert(mesh->hasSkeleton());
if (mesh->sharedVertexData)
{
VertexIndexToShape::addAnimatedVertexData(mesh->sharedVertexData,
NULL,
&mesh->sharedBlendIndexToBoneIndexMap);
}
for (unsigned int i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh *sub_mesh = mesh->getSubMesh(i);
if (!sub_mesh->useSharedVertices)
{
VertexIndexToShape::addIndexData(sub_mesh->indexData, mVertexCount);
VertexIndexToShape::addAnimatedVertexData(sub_mesh->vertexData,
NULL,
&sub_mesh->blendIndexToBoneIndexMap);
}
else
{
VertexIndexToShape::addIndexData(sub_mesh->indexData);
}
}
}
//---------------------------------------------------------------------
void MeshElement::setMaterialName(const String &name)
{
mMaterialName = name;
if (mEntity)
{
// if this is "none",we will use the origin material of the mesh
if (mMaterialName == "none")
{
if ( false == mMeshName.empty() )
{
Ogre::MeshPtr currentMesh = Ogre::MeshManager::getSingleton().getByName(mMeshName);
for ( unsigned short i=0; i<currentMesh->getNumSubMeshes(); ++i )
{
mEntity->getSubEntity(i)->setMaterialName( currentMesh->getSubMesh(i)->getMaterialName() );
}
}
}
else
mEntity->setMaterialName(mMaterialName);
}
}
void Renderer::FindClosestPolygon(Ogre::Entity* entity, float& closestDistance,
Ogre::Vector3& position, Ogre::Vector3& normal)
{
closestDistance = std::numeric_limits<float>::max(); // default value (means
// nothing detected)
// Get transformation
Ogre::SceneNode* parentNode = entity->getParentSceneNode();
Ogre::Vector3 parentPos;
Ogre::Quaternion parentOrientation;
Ogre::Vector3 parentScale;
if (parentNode)
{
parentPos = parentNode->_getDerivedPosition();
parentOrientation = parentNode->_getDerivedOrientation();
parentScale = parentNode->_getDerivedScale();
}
else
{
parentPos = Ogre::Vector3::ZERO;
parentOrientation = Ogre::Quaternion::IDENTITY;
parentScale = Ogre::Vector3::UNIT_SCALE;
}
// Handle animated entities
bool isAnimated = entity->hasSkeleton();
if (isAnimated)
{
entity->addSoftwareAnimationRequest(false);
entity->_updateAnimation();
}
// Loop through each submesh
Ogre::MeshPtr mesh = entity->getMesh();
for (uint i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* subMesh = mesh->getSubMesh(i);
// Ignore anything that isn't a triangle List
if (subMesh->operationType != Ogre::RenderOperation::OT_TRIANGLE_LIST)
continue;
// Get the vertex data
Ogre::VertexData* vertexData;
if (subMesh->useSharedVertices)
{
if (isAnimated)
vertexData = entity->_getSkelAnimVertexData();
else
vertexData = mesh->sharedVertexData;
}
else
{
if (isAnimated)
vertexData = entity->getSubEntity(i)->_getSkelAnimVertexData();
else
vertexData = subMesh->vertexData;
}
// Get the size of one vertex
const Ogre::VertexElement* posEl =
vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vBuff =
vertexData->vertexBufferBinding->getBuffer(posEl->getSource());
uint vertexSize = vBuff->getVertexSize();
// Save pointer to first vertex
short* pVertex = (short*)vBuff->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
short* pStartVertex = pVertex;
// Get the index buffer
// If it is null then skip as it must be a point cloud
Ogre::HardwareIndexBufferSharedPtr iBuff = subMesh->indexData->indexBuffer;
if (iBuff.isNull())
continue;
uint* pLong = (uint*)iBuff->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
uint16_t* pShort = (uint16_t*)pLong;
// Look through each vertex and check each triangle with the ray
Ogre::Vector3 vertexPos;
Ogre::Vector3 vertex1;
Ogre::Vector3 vertex2;
float* pReal;
uint index;
for (uint k = 0; k < subMesh->indexData->indexCount; k++)
{
// Read index value
if (iBuff->getType() == Ogre::HardwareIndexBuffer::IT_32BIT) // if 32bit indexes
{
index = (uint)pLong[k];
}
else
{
index = (uint)pShort[k];
}
// Read referenced vertex
pVertex = pStartVertex + (vertexSize * index); // calculate pointer
posEl->baseVertexPointerToElement(pVertex, &pReal); // read vertex
vertexPos = Ogre::Vector3(pReal[0], pReal[1], pReal[2]); // read position values
// Apply world transformations
if (parentNode)
vertexPos = (parentOrientation * (vertexPos * parentScale)) + parentPos;
// Figure out triangle and calculate the distance if it's the closest
switch (k % 3)
{
case 0:
vertex1 = vertexPos;
break;
case 1:
vertex2 = vertexPos;
break;
case 2:
RayToTriangleCheck(vertex1, vertex2, vertexPos, closestDistance, position, normal);
break;
default:
break;
}
}
iBuff->unlock();
vBuff->unlock();
}
if (isAnimated)
{
entity->removeSoftwareAnimationRequest(false);
}
}
void CSceletalAnimationView::EngineSetup(void)
{
Ogre::Root *Root = ((CSceletalAnimationApp*)AfxGetApp())->m_Engine->GetRoot();
Ogre::SceneManager *SceneManager = NULL;
SceneManager = Root->createSceneManager(Ogre::ST_GENERIC, "Animation");
//
// Create a render window
// This window should be the current ChildView window using the externalWindowHandle
// value pair option.
//
Ogre::NameValuePairList parms;
parms["externalWindowHandle"] = Ogre::StringConverter::toString((long)m_hWnd);
parms["vsync"] = "true";
CRect rect;
GetClientRect(&rect);
Ogre::RenderTarget *RenderWindow = Root->getRenderTarget("Mouse Input");
if (RenderWindow == NULL)
{
try
{
m_RenderWindow = Root->createRenderWindow("Mouse Input", rect.Width(), rect.Height(), false, &parms);
}
catch(...)
{
MessageBox("Cannot initialize\nCheck that graphic-card driver is up-to-date", "Initialize Render System", MB_OK | MB_ICONSTOP);
exit(EXIT_SUCCESS);
}
}
// Load resources
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
// Create the camera
m_Camera = SceneManager->createCamera("Camera");
m_Camera->setNearClipDistance(0.5);
m_Camera->setFarClipDistance(5000);
m_Camera->setCastShadows(false);
m_Camera->setUseRenderingDistance(true);
m_Camera->setPosition(Ogre::Vector3(5.0, 5.0, 10.0));
Ogre::SceneNode *CameraNode = NULL;
CameraNode = SceneManager->getRootSceneNode()->createChildSceneNode("CameraNode");
Ogre::Viewport* Viewport = NULL;
if (0 == m_RenderWindow->getNumViewports())
{
Viewport = m_RenderWindow->addViewport(m_Camera);
Viewport->setBackgroundColour(Ogre::ColourValue(0.8f, 0.8f, 0.8f));
}
// Alter the camera aspect ratio to match the viewport
m_Camera->setAspectRatio(Ogre::Real(rect.Width()) / Ogre::Real(rect.Height()));
m_Camera->lookAt(Ogre::Vector3(0.5, 0.5, 0.5));
m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
Ogre::ManualObject* ManualObject = NULL;
ManualObject = SceneManager->createManualObject("Animation");
ManualObject->setDynamic(false);
ManualObject->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_TRIANGLE_LIST);
//face 1
ManualObject->position(0, 0, 0);//0
ManualObject->position(1, 0, 0);//1
ManualObject->position(1, 1, 0);//2
ManualObject->triangle(0, 1, 2);//3
ManualObject->position(0, 0, 0);//4
ManualObject->position(1, 1, 0);//5
ManualObject->position(0, 1, 0);//6
ManualObject->triangle(3, 4, 5);//7
//face 2
ManualObject->position(0, 0, 1);//8
ManualObject->position(1, 0, 1);//9
ManualObject->position(1, 1, 1);//10
ManualObject->triangle(6, 7, 8);//11
ManualObject->position(0, 0, 1);//12
ManualObject->position(1, 1, 1);//13
ManualObject->position(0, 1, 1);//14
ManualObject->triangle(9, 10, 11);//15
//face 3
ManualObject->position(0, 0, 0);//16
ManualObject->position(1, 0, 0);//17
ManualObject->position(1, 0, 1);//18
ManualObject->triangle(12, 13, 14);//19
ManualObject->position(0, 0, 0);
ManualObject->position(1, 0, 1);
ManualObject->position(0, 1, 1);
ManualObject->triangle(15, 16, 17);
//face 4
ManualObject->position(1, 0, 0);
ManualObject->position(1, 1, 0);
ManualObject->position(1, 1, 1);
ManualObject->triangle(18, 19, 20);
ManualObject->position(1, 0, 0);
ManualObject->position(1, 1, 1);
ManualObject->position(1, 0, 1);
ManualObject->triangle(21, 22, 23);
//face 5
ManualObject->position(0, 1, 0);
ManualObject->position(1, 1, 0);
ManualObject->position(0, 1, 1);
ManualObject->triangle(24, 25, 26);
ManualObject->position(1, 1, 0);
ManualObject->position(1, 1, 1);
ManualObject->position(0, 1, 1);
ManualObject->triangle(27, 28, 29);
//face 6
ManualObject->position(0, 0, 0);
ManualObject->position(0, 1, 1);
ManualObject->position(0, 0, 1);
ManualObject->triangle(30, 31, 32);
ManualObject->position(0, 0, 0);
ManualObject->position(0, 1, 0);
ManualObject->position(0, 1, 1);
ManualObject->triangle(33, 34, 35);
ManualObject->end();
Ogre::MeshPtr MeshPtr = ManualObject->convertToMesh("Animation");
Ogre::SubMesh* sub = MeshPtr->getSubMesh(0);
Ogre::SkeletonPtr Skeleton = Ogre::SkeletonManager::getSingleton().create("Skeleton", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
MeshPtr.getPointer()->_notifySkeleton(Skeleton);
Ogre::Bone *Root1 = NULL;
Ogre::Bone *Child1 = NULL;
Ogre::Bone *Child2 = NULL;
Root1 = Skeleton.getPointer()->createBone("Root");
Root1->setPosition(Ogre::Vector3(0.0, 0.0, 0.0));
Root1->setOrientation(Ogre::Quaternion::IDENTITY);
Child1 = Root1->createChild(1);
Child1->setPosition(Ogre::Vector3(4.0, 0.0, 0.0));
Child1->setOrientation(Ogre::Quaternion::IDENTITY);
Child2 = Root1->createChild(2);
Child2->setPosition(Ogre::Vector3(5.0, 0.0, 0.0));
Child2->setOrientation(Ogre::Quaternion::IDENTITY);
Ogre::VertexBoneAssignment Assignment;
Assignment.boneIndex = 0;
Assignment.vertexIndex = 0;
Assignment.weight = 1.0;
Skeleton->setBindingPose();
sub->addBoneAssignment(Assignment);
Assignment.vertexIndex = 1;
sub->addBoneAssignment(Assignment);
Assignment.vertexIndex = 2;
sub->addBoneAssignment(Assignment);
Ogre::Animation *Animation = MeshPtr->createAnimation("HandAnimation", 100.0);
Ogre::NodeAnimationTrack *Track = Animation->createNodeTrack(0, Root1);
Ogre::TransformKeyFrame *KeyFrame = NULL;
for (float FrameTime = 0.0; FrameTime < 100.0; FrameTime += 0.1)
{
KeyFrame = Track->createNodeKeyFrame(FrameTime);
KeyFrame->setTranslate(Ogre::Vector3(10.0, 0.0, 0.0));
}
Root1->setManuallyControlled(true);
Child1->setManuallyControlled(true);
Child2->setManuallyControlled(true);
MeshPtr->load();
MeshPtr.getPointer()->_notifySkeleton(Skeleton);
// Ogre::SkeletonSerializer skeletonSerializer;
// skeletonSerializer.exportSkeleton(Skeleton.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.skeleton");
// Ogre::MeshSerializer ser;
// ser.exportMesh(MeshPtr.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.mesh");
Ogre::Entity *Entity = SceneManager->createEntity("Animation", "Animation"/*"testskeleton.mesh"*/);
Ogre::SceneNode *SceneNode = SceneManager->getRootSceneNode()->createChildSceneNode();
SceneNode->attachObject(Entity);
Entity->setDisplaySkeleton(true);
m_AnimationState = Entity->getAnimationState("HandAnimation");
m_AnimationState->setEnabled(true);
m_AnimationState->setLoop(true);
m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
Root->renderOneFrame();
}
//-----------------------------------------------------------------------
void InstanceManager::unshareVertices(const Ogre::MeshPtr &mesh)
{
// Retrieve data to copy bone assignments
const Mesh::VertexBoneAssignmentList& boneAssignments = mesh->getBoneAssignments();
Mesh::VertexBoneAssignmentList::const_iterator it = boneAssignments.begin();
Mesh::VertexBoneAssignmentList::const_iterator end = boneAssignments.end();
size_t curVertexOffset = 0;
// Access shared vertices
VertexData* sharedVertexData = mesh->sharedVertexData;
for (size_t subMeshIdx = 0; subMeshIdx < mesh->getNumSubMeshes(); subMeshIdx++)
{
SubMesh *subMesh = mesh->getSubMesh(subMeshIdx);
IndexData *indexData = subMesh->indexData;
HardwareIndexBuffer::IndexType idxType = indexData->indexBuffer->getType();
IndicesMap indicesMap = (idxType == HardwareIndexBuffer::IT_16BIT) ? getUsedIndices<uint16>(indexData) :
getUsedIndices<uint32>(indexData);
VertexData *newVertexData = new VertexData();
newVertexData->vertexCount = indicesMap.size();
newVertexData->vertexDeclaration = sharedVertexData->vertexDeclaration->clone();
for (size_t bufIdx = 0; bufIdx < sharedVertexData->vertexBufferBinding->getBufferCount(); bufIdx++)
{
HardwareVertexBufferSharedPtr sharedVertexBuffer = sharedVertexData->vertexBufferBinding->getBuffer(bufIdx);
size_t vertexSize = sharedVertexBuffer->getVertexSize();
HardwareVertexBufferSharedPtr newVertexBuffer = HardwareBufferManager::getSingleton().createVertexBuffer
(vertexSize, newVertexData->vertexCount, sharedVertexBuffer->getUsage(), sharedVertexBuffer->hasShadowBuffer());
uint8 *oldLock = (uint8*)sharedVertexBuffer->lock(0, sharedVertexData->vertexCount * vertexSize, HardwareBuffer::HBL_READ_ONLY);
uint8 *newLock = (uint8*)newVertexBuffer->lock(0, newVertexData->vertexCount * vertexSize, HardwareBuffer::HBL_NORMAL);
IndicesMap::iterator indIt = indicesMap.begin();
IndicesMap::iterator endIndIt = indicesMap.end();
for (; indIt != endIndIt; ++indIt)
{
memcpy(newLock + vertexSize * indIt->second, oldLock + vertexSize * indIt->first, vertexSize);
}
sharedVertexBuffer->unlock();
newVertexBuffer->unlock();
newVertexData->vertexBufferBinding->setBinding(bufIdx, newVertexBuffer);
}
if (idxType == HardwareIndexBuffer::IT_16BIT)
{
copyIndexBuffer<uint16>(indexData, indicesMap);
}
else
{
copyIndexBuffer<uint32>(indexData, indicesMap);
}
// Store new attributes
subMesh->useSharedVertices = false;
subMesh->vertexData = newVertexData;
// Transfer bone assignments to the submesh
size_t offset = curVertexOffset + newVertexData->vertexCount;
for (; it != end; ++it)
{
size_t vertexIdx = (*it).first;
if (vertexIdx > offset)
break;
VertexBoneAssignment boneAssignment = (*it).second;
boneAssignment.vertexIndex = static_cast<unsigned int>(boneAssignment.vertexIndex - curVertexOffset);
subMesh->addBoneAssignment(boneAssignment);
}
curVertexOffset = newVertexData->vertexCount + 1;
}
// Release shared vertex data
delete mesh->sharedVertexData;
mesh->sharedVertexData = NULL;
mesh->clearBoneAssignments();
}
//-----------------------------------------------------------------------
void MeshInfo::getMeshInformation( Ogre::MeshPtr mesh,
const Vector3 &position,
const Quaternion &orient,
const Vector3 &scale)
{
size_t vertexCount = 0;
size_t indexCount = 0;
Vector3* vertices = 0;
Vector3* normals;
unsigned long* indices = 0;
bool added_shared = false;
size_t current_offset = 0;
size_t shared_offset = 0;
size_t next_offset = 0;
size_t index_offset = 0;
// Calculate how many vertices and indices we're going to need
for ( unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh( i );
// We only need to add the shared vertices once
if(submesh->useSharedVertices)
{
if( !added_shared )
{
vertexCount += mesh->sharedVertexData->vertexCount;
added_shared = true;
}
}
else
{
vertexCount += submesh->vertexData->vertexCount;
}
// Add the indices
indexCount += submesh->indexData->indexCount;
}
// Allocate space for the vertices and indices
vertices = new Vector3[vertexCount];
normals = new Vector3[vertexCount];
indices = new unsigned long[indexCount];
added_shared = false;
// Run through the submeshes again, adding the data into the arrays
for ( unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if((!submesh->useSharedVertices)||(submesh->useSharedVertices && !added_shared))
{
if(submesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
const Ogre::VertexElement* posElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
const Ogre::VertexElement* normalElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_NORMAL);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
float* pReal;
for( size_t j = 0; j < vertex_data->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
Vector3 pt(pReal[0], pReal[1], pReal[2]);
vertices[current_offset + j] = (orient * (pt * scale)) + position;
normalElem->baseVertexPointerToElement(vertex, &pReal);
Vector3 nt(pReal[0], pReal[1], pReal[2]);
normals[current_offset + j] = nt;
}
vbuf->unlock();
next_offset += vertex_data->vertexCount;
}
Ogre::IndexData* index_data = submesh->indexData;
size_t numTris = index_data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned long* pLong = static_cast<unsigned long*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort = reinterpret_cast<unsigned short*>(pLong);
size_t offset = (submesh->useSharedVertices)? shared_offset : current_offset;
size_t numTrisMultThree = numTris*3;
if ( use32bitindexes )
{
for ( size_t k = 0; k < numTrisMultThree; ++k)
{
indices[index_offset++] = pLong[k] + static_cast<unsigned long>(offset);
}
}
else
{
for ( size_t k = 0; k < numTrisMultThree; ++k)
{
indices[index_offset++] = static_cast<unsigned long>(pShort[k]) + static_cast<unsigned long>(offset);
}
}
ibuf->unlock();
current_offset = next_offset;
}
// Create triangles from the retrieved data
for (size_t k = 0; k < indexCount-1; k+=3)
{
Triangle t;
t.v1 = vertices [indices[k]];
t.vn1 = normals [indices[k]];
t.v2 = vertices [indices[k+1]];
t.vn2 = normals [indices[k+1]];
t.v3 = vertices [indices[k+2]];
t.vn3 = normals [indices[k+2]];
t.calculateSquareSurface();
t.calculateSurfaceNormal();
t.calculateEdgeNormals();
_triangles.push_back(t);
}
// Delete intermediate arrays
delete [] indices;
delete [] normals;
delete [] vertices;
// Sort the triangle on their size, if needed (only if a gaussian random number generator
// function is used to perform a random lookup of a triangle)
if (mDistribution == MSD_HOMOGENEOUS)
sort(_triangles.begin(), _triangles.end(), SortDescending());
else
if (mDistribution == MSD_HETEROGENEOUS_1)
sort(_triangles.begin(), _triangles.end(), SortAscending());
}
// Get the mesh information for the given mesh.
// Code found on this forum link: http://www.ogre3d.org/wiki/index.php/RetrieveVertexData
void CollisionTools::GetMeshInformation(const Ogre::MeshPtr mesh,
size_t &vertex_count,
Ogre::Vector3* &vertices,
size_t &index_count,
Ogre::uint32* &indices,
const Ogre::Vector3 &position,
const Ogre::Quaternion &orient,
const Ogre::Vector3 &scale)
{
bool added_shared = false;
size_t current_offset = 0;
size_t shared_offset = 0;
size_t next_offset = 0;
size_t index_offset = 0;
vertex_count = index_count = 0;
// Calculate how many vertices and indices we're going to need
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh( i );
// We only need to add the shared vertices once
if(submesh->useSharedVertices)
{
if( !added_shared )
{
vertex_count += mesh->sharedVertexData->vertexCount;
added_shared = true;
}
}
else
{
vertex_count += submesh->vertexData->vertexCount;
}
// Add the indices
index_count += submesh->indexData->indexCount;
}
// Allocate space for the vertices and indices
vertices = new Ogre::Vector3[vertex_count];
indices = new Ogre::uint32[index_count];
added_shared = false;
// Run through the submeshes again, adding the data into the arrays
for ( unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if((!submesh->useSharedVertices)||(submesh->useSharedVertices && !added_shared))
{
if(submesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
const Ogre::VertexElement* posElem =
vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf =
vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex =
static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
// There is _no_ baseVertexPointerToElement() which takes an Ogre::Ogre::Real or a double
// as second argument. So make it float, to avoid trouble when Ogre::Ogre::Real will
// be comiled/typedefed as double:
// Ogre::Ogre::Real* pOgre::Real;
float* pReal;
for( size_t j = 0; j < vertex_data->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
Ogre::Vector3 pt(pReal[0], pReal[1], pReal[2]);
vertices[current_offset + j] = (orient * (pt * scale)) + position;
}
vbuf->unlock();
next_offset += vertex_data->vertexCount;
}
Ogre::IndexData* index_data = submesh->indexData;
size_t numTris = index_data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
Ogre::uint32* pLong = static_cast<Ogre::uint32*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort = reinterpret_cast<unsigned short*>(pLong);
size_t offset = (submesh->useSharedVertices)? shared_offset : current_offset;
if ( use32bitindexes )
{
for ( size_t k = 0; k < numTris*3; ++k)
{
indices[index_offset++] = pLong[k] + static_cast<Ogre::uint32>(offset);
}
}
else
{
for ( size_t k = 0; k < numTris*3; ++k)
{
indices[index_offset++] = static_cast<Ogre::uint32>(pShort[k]) +
static_cast<Ogre::uint32>(offset);
}
}
ibuf->unlock();
current_offset = next_offset;
}
}
void PhysicsManager::getMeshInformation(Ogre::MeshPtr mesh,size_t &vertex_count,Vector3* &vertices, size_t &index_count, unsigned* &indices, const Ogre::Vector3 &position, const Ogre::Quaternion &orient,const Ogre::Vector3 &scale)
{
vertex_count = index_count = 0;
bool added_shared = false;
size_t current_offset = vertex_count;
size_t shared_offset = vertex_count;
size_t next_offset = vertex_count;
size_t index_offset = index_count;
size_t prev_vert = vertex_count;
size_t prev_ind = index_count;
// Calculate how many vertices and indices we're going to need
for(int i = 0;i < mesh->getNumSubMeshes();i++)
{
SubMesh* submesh = mesh->getSubMesh(i);
// We only need to add the shared vertices once
if(submesh->useSharedVertices)
{
if(!added_shared)
{
VertexData* vertex_data = mesh->sharedVertexData;
vertex_count += vertex_data->vertexCount;
added_shared = true;
}
}
else
{
VertexData* vertex_data = submesh->vertexData;
vertex_count += vertex_data->vertexCount;
}
// Add the indices
Ogre::IndexData* index_data = submesh->indexData;
index_count += index_data->indexCount;
}
// Allocate space for the vertices and indices
vertices = new Vector3[vertex_count];
indices = new unsigned[index_count];
added_shared = false;
// Run through the submeshes again, adding the data into the arrays
for(int i = 0;i < mesh->getNumSubMeshes();i++)
{
SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if((!submesh->useSharedVertices)||(submesh->useSharedVertices && !added_shared))
{
if(submesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
const Ogre::VertexElement* posElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
Ogre::Real* pReal;
for(size_t j = 0; j < vertex_data->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
Vector3 pt;
pt.x = (*pReal++);
pt.y = (*pReal++);
pt.z = (*pReal++);
pt = (orient * (pt * scale)) + position;
vertices[current_offset + j].x = pt.x;
vertices[current_offset + j].y = pt.y;
vertices[current_offset + j].z = pt.z;
}
vbuf->unlock();
next_offset += vertex_data->vertexCount;
}
Ogre::IndexData* index_data = submesh->indexData;
size_t numTris = index_data->indexCount / 3;
unsigned short* pShort;
unsigned int* pInt;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
if (use32bitindexes) pInt = static_cast<unsigned int*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
else pShort = static_cast<unsigned short*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
for(size_t k = 0; k < numTris; ++k)
{
size_t offset = (submesh->useSharedVertices)?shared_offset:current_offset;
unsigned int vindex = use32bitindexes? *pInt++ : *pShort++;
indices[index_offset + 0] = vindex + offset;
vindex = use32bitindexes? *pInt++ : *pShort++;
indices[index_offset + 1] = vindex + offset;
vindex = use32bitindexes? *pInt++ : *pShort++;
indices[index_offset + 2] = vindex + offset;
index_offset += 3;
}
ibuf->unlock();
current_offset = next_offset;
}
}
OgreNewt::ConvexCollisionPtr PhysicsRagDoll::RagBone::_makeConvexHull(OgreNewt::World* world, Ogre::MeshPtr mesh, Ogre::Real minWeight)
{
std::vector< Ogre::Vector3 > vertexVector;
// for this bone, gather all of the vertices linked to it, and make an individual convex hull.
std::string boneName = mOgreBone->getName();
unsigned int boneIndex = mOgreBone->getHandle();
Ogre::Matrix4 invMatrix;
invMatrix.makeInverseTransform(-mOgreBone->_getBindingPoseInversePosition(), Ogre::Vector3::UNIT_SCALE / mOgreBone->_getBindingPoseInverseScale(), mOgreBone->_getBindingPoseInverseOrientation().Inverse());
unsigned int num_sub = mesh->getNumSubMeshes();
for (unsigned int i = 0; i < num_sub; i++)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::SubMesh::BoneAssignmentIterator bai = submesh->getBoneAssignmentIterator();
Ogre::VertexDeclaration* v_decl;
const Ogre::VertexElement* p_elem;
float* v_Posptr;
size_t v_count;
Ogre::VertexData* v_data = NULL;
if (submesh->useSharedVertices)
{
v_data = mesh->sharedVertexData;
v_count = v_data->vertexCount;
v_decl = v_data->vertexDeclaration;
p_elem = v_decl->findElementBySemantic(Ogre::VES_POSITION);
}
else
{
v_data = submesh->vertexData;
v_count = v_data->vertexCount;
v_decl = v_data->vertexDeclaration;
p_elem = v_decl->findElementBySemantic(Ogre::VES_POSITION);
}
size_t start = v_data->vertexStart;
//pointer
Ogre::HardwareVertexBufferSharedPtr v_sptr = v_data->vertexBufferBinding->getBuffer(p_elem->getSource());
unsigned char* v_ptr = static_cast<unsigned char*>(v_sptr->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned char* v_offset;
while (bai.hasMoreElements())
{
Ogre::VertexBoneAssignment vba = bai.getNext();
if (vba.boneIndex == boneIndex)
{
//found a vertex that is attached to this bone.
if (vba.weight >= minWeight)
{
//get offset to Position data!
v_offset = v_ptr + (vba.vertexIndex * v_sptr->getVertexSize());
p_elem->baseVertexPointerToElement(v_offset, &v_Posptr);
Ogre::Vector3 vert;
vert.x = *v_Posptr; v_Posptr++;
vert.y = *v_Posptr; v_Posptr++;
vert.z = *v_Posptr;
// apply transformation in to local space.
vert = invMatrix * vert;
vertexVector.push_back(vert);
Ogre::LogManager::getSingletonPtr()->logMessage(" vertex found! id:"+Ogre::StringConverter::toString(vba.vertexIndex));
}
}
}
v_sptr->unlock();
}
// okay, we have gathered all verts for this bone. make a convex hull!
unsigned int numVerts = vertexVector.size();
Ogre::Vector3* verts = new Ogre::Vector3[ numVerts ];
unsigned int j = 0;
while (!vertexVector.empty())
{
verts[j] = vertexVector.back();
vertexVector.pop_back();
j++;
}
//////////////////////////////////////////////////////////////////////////////////
OgreNewt::ConvexCollisionPtr col;
if (numVerts > 0)
col = OgreNewt::ConvexCollisionPtr(new OgreNewt::CollisionPrimitives::ConvexHull(world, verts, numVerts, 0));
delete []verts;
return col;
}
PhysicsObject* PhysicsMgr::createConvexHull(String meshname,Ogre::Vector3 pos,Ogre::Vector3 scale)
{
bool newshape = false;
size_t vertex_count;
float* vertices;
size_t index_count;
vertex_count = index_count = 0;
bool added_shared = false;
size_t current_offset = vertex_count;
size_t shared_offset = vertex_count;
size_t next_offset = vertex_count;
size_t index_offset = index_count;
size_t prev_vert = vertex_count;
size_t prev_ind = index_count;
std::vector<Ogre::Vector3> vertVect;
btConvexShape *convexShape;
//btShapeHull* hull;
if(meshname=="CUBE"||meshname=="BOX")
{
return createCube(scale,pos);
}
if(mShapes.find(meshname)==mShapes.end())
{
newshape = true;
Ogre::MeshPtr mesh = Ogre::MeshManager::getSingletonPtr()->load(meshname,Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
// Calculate how many vertices and indices we're going to need
for(int i = 0;i < mesh->getNumSubMeshes();i++)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
// We only need to add the shared vertices once
if(submesh->useSharedVertices)
{
if(!added_shared)
{
Ogre::VertexData* vertex_data = mesh->sharedVertexData;
vertex_count += vertex_data->vertexCount;
added_shared = true;
}
}
else
{
Ogre::VertexData* vertex_data = submesh->vertexData;
vertex_count += vertex_data->vertexCount;
}
// Add the indices
Ogre::IndexData* index_data = submesh->indexData;
index_count += index_data->indexCount;
}
// Allocate space for the vertices and indices
int a = vertex_count;
vertices = new float[vertex_count*3];
added_shared = false;
// Run through the submeshes again, adding the data into the arrays
for(int i = 0;i < mesh->getNumSubMeshes();i++)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if((!submesh->useSharedVertices)||(submesh->useSharedVertices && !added_shared))
{
if(submesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
const Ogre::VertexElement* posElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
Ogre::Real* pReal;
for(size_t j = 0; j < vertex_data->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
Ogre::Vector3 pt;
pt.x = (*pReal++);
pt.y = (*pReal++);
pt.z = (*pReal++);
bool skip = false;
// ignore duped verts
for(unsigned int i=0;i<vertVect.size();++i)
{
if(vertVect[i]==pt)
{
skip = true;
//std::cout<<"IGNORED!\n";
}
}
// skipping duped verts caused some kind of f-up, TOBEFIXED eventually
if(!skip)
{
vertices[current_offset + (j*3)] = pt.x*0.92f;
vertices[current_offset + (j*3) + 1] = pt.y*0.92f;
vertices[current_offset + (j*3) + 2] = pt.z*0.92f;
vertVect.push_back(pt);
}
}
vbuf->unlock();
next_offset += vertex_data->vertexCount;
}
}
convexShape = new btConvexHullShape(static_cast<btScalar*>(vertices),vertVect.size(),3*sizeof(btScalar));
//create a hull approximation
btConvexShape *finalShape = 0;
//std::cout<<"size: "<<vertVect.size()<<"\n";
// seemed kinda iffy?
//if(vertVect.size()>75)
//{
// hull = new btShapeHull(convexShape);
// btScalar margin = convexShape->getMargin();
// hull->buildHull(margin);
// //btConvexHullShape* simplifiedConvexShape = new btConvexHullShape(hull->getVertexPointer(),hull->numVertices());
//
// btConvexHullShape* simplifiedConvexShape = new btConvexHullShape();
// for (int i=0;i<hull->numVertices();i++)
// {
// btVector3 vect = hull->getVertexPointer()[i]*0.9;
// std::cout<<"Vert: "<<vect.x()<<" "<<vect.y()<<" "<<vect.z()<<"\n";
// simplifiedConvexShape->addPoint(vect);
// }
// mShapes[meshname] = (simplifiedConvexShape);
// finalShape = simplifiedConvexShape;
//}
//else
//{
mShapes[meshname] = (convexShape);
finalShape = convexShape;
//}
}
//finalShape->setMargin(0.f);
btVector3 localInertia(0,0,0);
mShapes[meshname]->calculateLocalInertia(180.f,localInertia);
btRigidBody* actor = new btRigidBody(180.f,0,mShapes[meshname],localInertia);
actor->setWorldTransform(btTransform(btQuaternion::getIdentity(),btVector3(pos.x,pos.y,pos.z)));
actor->setRestitution(0.f);
actor->setFriction(0.8f);
//actor->setAnisotropicFriction(btVector3(0.3f,0.3f,0.3f));
actor->setDamping(0.2f,0.7f);
dynamic_cast<btDiscreteDynamicsWorld*>(mDynamicsWorld)->addRigidBody(actor,COLLISION_GROUP_1,COLLISION_GROUP_1);
mObjects.push_back(new PhysicsObject(actor,mDynamicsWorld));
if(newshape)
{
delete[] vertices;
//if(vertVect.size()>75)
//{
// delete hull;
// delete convexShape;
//}
}
return mObjects[mObjects.size()-1];
}
Ogre::MeshPtr Loader::getMeshFromMdl(unsigned int id){
if(!models[id].isNull()){
return models[id];
}
std::string name = "mesh"+Utils::toStr(id);
std::ifstream stream;
stream.open(("Models/"+name+".mdl").c_str(),std::ios::in|std::ios::binary);
Ogre::ManualObject* obj = OgreFramework::getSingletonPtr()->m_pSceneMgr->createManualObject();
unsigned int texture, normalmap, vertices, indices;
short endian;
stream.read((char*)&endian,sizeof(short));
stream.read((char*)&texture,sizeof(unsigned int));
stream.read((char*)&normalmap,sizeof(unsigned int));
stream.read((char*)&vertices,sizeof(unsigned int));
stream.read((char*)&indices,sizeof(unsigned int));
float bounds[6];//{minX,minY,minZ,maxX,maxY,maxZ}
stream.read((char*)bounds,sizeof(float)*6);
std::string textureFName,normalMapFName;
for(int i=0;i<texture;i++){
char c;
stream.read((char*)&c,sizeof(char));
textureFName+=c;
}
if(normalmap>0){
for(int i=0;i<texture;i++){
char c;
stream.read((char*)&c,sizeof(char));
normalMapFName+=c;
}
}
if(normalmap>0)
obj->begin("NormalMapTexture");
else
obj->begin("PlainTexture");
float * arrayV = new float[vertices*(3+3+2)];
stream.read((char*)arrayV,sizeof(float)*(3+3+2)*vertices);//should also work - automatically grab ALL vertex data to array in one operation :) C++ is great
for(int i=0;i<vertices;i++){
int ptr = i*(3+3+2);
obj->position(arrayV[ptr],arrayV[ptr+1],arrayV[ptr+2]);
obj->normal(arrayV[ptr+3],arrayV[ptr+4],arrayV[ptr+5]);
obj->textureCoord(arrayV[ptr+6],arrayV[ptr+7]);
}
delete [] arrayV;
unsigned int * arrayI = new unsigned int[indices];
stream.read((char*)arrayI,sizeof(unsigned int)*indices);
for(int i=0;i<indices;i++){
obj->index(arrayI[i]);
}
delete [] arrayI;
obj->end();
/*if(normalmap>0){
obj->setMaterialName("NormalMapTexture");
obj->addTextureAlias("normalmap",normalMapFName);
}
else{
obj->setMaterialName("OneTexture");
}
obj->addTextureAlias("textura",textureFName);*/
OgreFramework::getSingletonPtr()->m_pSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(obj);
Ogre::MeshPtr mesh = obj->convertToMesh(name);
mesh->getSubMesh(0)->addTextureAlias("textura",textureFName);//TODO normalmap
return mesh;
/*Ogre::MeshPtr meshM = Ogre::MeshManager::getSingletonPtr()->createManual(name,"General");
unsigned int texture, normalmap, vertices, indices;
short endian;
stream.read((char*)&endian,sizeof(short));
stream.read((char*)&texture,sizeof(unsigned int));
stream.read((char*)&normalmap,sizeof(unsigned int));
stream.read((char*)&vertices,sizeof(unsigned int));
stream.read((char*)&indices,sizeof(unsigned int));
float bounds[6];//{minX,minY,minZ,maxX,maxY,maxZ}
stream.read((char*)bounds,sizeof(float)*6);
std::string textureFName,normalMapFName;
for(int i=0;i<texture;i++){
char c;
stream.read((char*)&c,sizeof(char));
textureFName+=c;
}
if(normalmap>0){
for(int i=0;i<texture;i++){
char c;
stream.read((char*)&c,sizeof(char));
normalMapFName+=c;
}
}
Ogre::SubMesh* mesh = meshM->createSubMesh();
// We first create a VertexData
Ogre::VertexData* data = new Ogre::VertexData();
// Then, we link it to our Mesh/SubMesh :
#ifdef SHARED_GEOMETRY
meshM->sharedVertexData = data;
#else
mesh->useSharedVertices = false; // This value is 'true' by default
mesh->vertexData = data;
#endif
// We have to provide the number of verteices we'll put into this Mesh/SubMesh
data->vertexCount = vertices;
// Then we can create our VertexDeclaration
Ogre::VertexDeclaration* decl = data->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);//you can't animate because one buffer
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(0), // This value is the size of a vertex in memory
vertices, // The number of vertices you'll put into this buffer
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY // Properties
);
float * arrayV = new float[vertices*(3+3+2)];
stream.read((char*)arrayV,sizeof(float)*(3+3+2)*vertices);//should also work - automatically grab ALL vertex data to array in one operation :) C++ is great
vbuf->writeData(0, vbuf->getSizeInBytes(), arrayV, true);
delete [] arrayV;
// "data" is the Ogre::VertexData* we created before
Ogre::VertexBufferBinding* bind = data->vertexBufferBinding;
bind->setBinding(0, vbuf);
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT, // You can use several different value types here
indices, // The number of indices you'll put in that buffer
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY // Properties
);
mesh->indexData->indexBuffer = ibuf; // The pointer to the index buffer
mesh->indexData->indexCount = indices; // The number of indices we'll use
mesh->indexData->indexStart = 0;
unsigned int * arrayI = new unsigned int[indices];
stream.read((char*)arrayI,sizeof(unsigned int)*indices);
ibuf->writeData(0, ibuf->getSizeInBytes(), arrayI, true);
delete [] arrayI;
if(normalmap>0){
mesh->setMaterialName("NormalMapTexture");
mesh->addTextureAlias("normalmap",normalMapFName);
}
else{
//mesh->setMaterialName("OneTexture");
}
mesh->addTextureAlias("textura",textureFName);
meshM->_setBounds(Ogre::AxisAlignedBox(bounds[0],bounds[1],bounds[2],bounds[3],bounds[4],bounds[5]));
meshM->_setBoundingSphereRadius(std::max(bounds[3]-bounds[0], std::max(bounds[4]-bounds[1], bounds[5]-bounds[2]))/2.0f);
meshM->load();//TODO need?
return meshM;*/
}
Mesh loadMesh(const std::string& meshName)
{
Mesh result;
bool addedShared = false;
size_t currentOffset = 0;
size_t sharedOffset = 0;
size_t nextOffset = 0;
size_t indexOffset = 0;
const v3 scale = v3::UNIT_SCALE;
const v3 position = v3::ZERO;
const qv4 orientation = qv4::IDENTITY;
Ogre::MeshManager* mm = Ogre::MeshManager::getSingletonPtr();
if (! mm)
{
initOgreForMeshLoading();
mm = Ogre::MeshManager::getSingletonPtr();
}
Ogre::MeshPtr mesh = mm->load(meshName, "General");
// Calculate how many result.mVertices and result.mIndices we're going to need
for (unsigned short i=0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* subMesh = mesh->getSubMesh(i);
// We only need to add the shared result.mVertices once
if (subMesh->useSharedVertices)
{
if (!addedShared)
{
result.mVertexCount += mesh->sharedVertexData->vertexCount;
addedShared = true;
}
}
else
{
result.mVertexCount += subMesh->vertexData->vertexCount;
}
result.mIndexCount += subMesh->indexData->indexCount;
}
result.mVertices.reset(new v3[result.mVertexCount]);
result.mIndices.reset(new u32[result.mIndexCount]);
addedShared = false;
// Run through the sub-meshes again, adding the data into the arrays
for (unsigned short i=0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* subMesh = mesh->getSubMesh(i);
Ogre::VertexData* vertexData = subMesh->useSharedVertices ? mesh->sharedVertexData : subMesh->vertexData;
if((!subMesh->useSharedVertices) || (subMesh->useSharedVertices && !addedShared))
{
if(subMesh->useSharedVertices)
{
addedShared = true;
sharedOffset = currentOffset;
}
const Ogre::VertexElement* posElem =
vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf =
vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
// There is _no_ baseVertexPointerToElement() which takes an Ogre::Real or a double
// as second argument. So make it float, to avoid trouble when Ogre::Real will
// be compiled/typedefed as double:
float* pReal;
for( size_t j = 0; j < vertexData->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
v3 pt(pReal[0], pReal[1], pReal[2]);
result.mVertices[currentOffset + j] = (orientation * (pt * scale)) + position;
}
vbuf->unlock();
nextOffset += vertexData->vertexCount;
}
Ogre::IndexData* index_data = subMesh->indexData;
size_t numTris = index_data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned long* pLong = static_cast<unsigned long*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort = reinterpret_cast<unsigned short*>(pLong);
size_t offset = (subMesh->useSharedVertices)? sharedOffset : currentOffset;
if (use32bitindexes)
{
for (size_t k = 0; k < numTris*3; ++k)
{
result.mIndices[indexOffset++] = pLong[k] + static_cast<unsigned long>(offset);
}
}
else
{
for (size_t k = 0; k < numTris*3; ++k)
{
result.mIndices[indexOffset++] = static_cast<unsigned long>(pShort[k]) + static_cast<unsigned long>(offset);
}
}
ibuf->unlock();
currentOffset = nextOffset;
}
return result;
}
//---------------------------------------------------------------------
void OptimiseTool::processMesh(Ogre::MeshPtr mesh)
{
bool rebuildEdgeList = false;
// Shared geometry
if (mesh->sharedVertexData)
{
print("Optimising mesh shared vertex data...");
setTargetVertexData(mesh->sharedVertexData);
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
SubMesh* sm = mesh->getSubMesh(i);
if (sm->useSharedVertices)
{
addIndexData(sm->indexData);
}
}
if (optimiseGeometry())
{
if (mesh->getSkeletonName() != StringUtil::BLANK)
{
print(" fixing bone assignments...");
Mesh::BoneAssignmentIterator currentIt = mesh->getBoneAssignmentIterator();
Mesh::VertexBoneAssignmentList newList =
getAdjustedBoneAssignments(currentIt);
mesh->clearBoneAssignments();
for (Mesh::VertexBoneAssignmentList::iterator bi = newList.begin();
bi != newList.end(); ++bi)
{
mesh->addBoneAssignment(bi->second);
}
}
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
SubMesh* sm = mesh->getSubMesh(i);
if (mesh->getSkeletonName() != StringUtil::BLANK)
{
print(" fixing bone assignments...");
Mesh::BoneAssignmentIterator currentIt = sm->getBoneAssignmentIterator();
Mesh::VertexBoneAssignmentList newList =
getAdjustedBoneAssignments(currentIt);
sm->clearBoneAssignments();
for (Mesh::VertexBoneAssignmentList::iterator bi = newList.begin();
bi != newList.end(); ++bi)
{
sm->addBoneAssignment(bi->second);
}
}
if (sm->useSharedVertices)
{
fixLOD(sm->mLodFaceList);
}
}
rebuildEdgeList = true;
}
}
// Dedicated geometry
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
SubMesh* sm = mesh->getSubMesh(i);
if (!sm->useSharedVertices)
{
print("Optimising submesh " +
StringConverter::toString(i) + " dedicated vertex data ");
setTargetVertexData(sm->vertexData);
addIndexData(sm->indexData);
if (optimiseGeometry())
{
if (mesh->getSkeletonName() != StringUtil::BLANK)
{
print(" fixing bone assignments...");
Mesh::BoneAssignmentIterator currentIt = sm->getBoneAssignmentIterator();
Mesh::VertexBoneAssignmentList newList =
getAdjustedBoneAssignments(currentIt);
sm->clearBoneAssignments();
for (Mesh::VertexBoneAssignmentList::iterator bi = newList.begin();
bi != newList.end(); ++bi)
{
sm->addBoneAssignment(bi->second);
}
}
fixLOD(sm->mLodFaceList);
rebuildEdgeList = true;
}
}
}
if (rebuildEdgeList && mesh->isEdgeListBuilt())
{
// force rebuild of edge list
mesh->freeEdgeList();
mesh->buildEdgeList();
}
}
void Utils::GetMeshInformation(
const Ogre::MeshPtr mesh,
size_t &vertexCount,
Ogre::Vector3* &vertices,
size_t &indexCount,
unsigned* &indices)
{
bool addShared = false;
size_t currentOffset = 0;
size_t shared_offset = 0;
size_t nextOffset = 0;
size_t indexOffset = 0;
vertexCount = indexCount = 0;
for ( unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i) {
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
if(submesh->useSharedVertices) {
if( !addShared ) {
vertexCount += mesh->sharedVertexData->vertexCount;
addShared = true;
}
}
else {
vertexCount += submesh->vertexData->vertexCount;
}
indexCount += submesh->indexData->indexCount;
}
vertices = new Ogre::Vector3[vertexCount];
indices = new unsigned[indexCount];
addShared = false;
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i) {
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertexData = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if ((!submesh->useSharedVertices) || (submesh->useSharedVertices && !addShared)) {
if(submesh->useSharedVertices) {
addShared = true;
shared_offset = currentOffset;
}
const Ogre::VertexElement* posElem =
vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf =
vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex =
static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
float* pReal;
for( size_t j = 0; j < vertexData->vertexCount; ++j, vertex += vbuf->getVertexSize()) {
posElem->baseVertexPointerToElement(vertex, &pReal);
Ogre::Vector3 pt(pReal[0], pReal[1], pReal[2]);
vertices[currentOffset + j] = pt;
}
vbuf->unlock();
nextOffset += vertexData->vertexCount;
}
Ogre::IndexData* indexData = submesh->indexData;
size_t numTris = indexData->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = indexData->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned long* pLong = static_cast<unsigned long*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort = reinterpret_cast<unsigned short*>(pLong);
size_t offset = (submesh->useSharedVertices)? shared_offset : currentOffset;
if ( use32bitindexes ) {
for ( size_t k = 0; k < numTris*3; ++k) {
indices[indexOffset++] = pLong[k] + static_cast<unsigned long>(offset);
}
}
else {
for ( size_t k = 0; k < numTris*3; ++k) {
indices[indexOffset++] = static_cast<unsigned long>(pShort[k]) +
static_cast<unsigned long>(offset);
}
}
ibuf->unlock();
currentOffset = nextOffset;
}
}
CompoundCollisionShape* CollisionShapeManager::PerformConvexDecomposition(const String& Name, Graphics::Mesh* ObjectMesh, Whole Depth, Real CPercent, Real PPercent, Boole UseAllSubmeshes)
{
//new submesh friendly code
Ogre::MeshPtr myMesh = ObjectMesh->_GetInternalMesh();
Ogre::SubMesh* subMesh = NULL;
Ogre::IndexData* indexData = NULL;
Ogre::VertexData* vertexData = NULL;
Boole use32bitindexes = false;
unsigned int currtriCount = 0;
unsigned int triCount = 0;
unsigned int vCount = 0;
unsigned int iCount = 0;
Whole VertPrevSize = 0;
Whole IndiPrevSize = 0;
Boole SharedVerts = myMesh->getSubMesh(0)->useSharedVertices;
Whole* VertPerSubMesh = NULL;
if(UseAllSubmeshes)
{
VertPerSubMesh = new Whole[myMesh->getNumSubMeshes()];
for( Whole X = 0 ; X < myMesh->getNumSubMeshes() ; X++ )
{
vCount += SharedVerts ? myMesh->sharedVertexData->vertexCount : myMesh->getSubMesh(X)->vertexData->vertexCount;
iCount += myMesh->getSubMesh(X)->indexData->indexCount;
VertPerSubMesh[X] = SharedVerts ? myMesh->sharedVertexData->vertexCount : myMesh->getSubMesh(X)->vertexData->vertexCount;
}
}else{
vCount += SharedVerts ? myMesh->sharedVertexData->vertexCount : myMesh->getSubMesh(0)->vertexData->vertexCount;
iCount += myMesh->getSubMesh(0)->indexData->indexCount;
}
Ogre::Vector3* vertices = new Ogre::Vector3[vCount];
unsigned int* indices = new unsigned int[iCount];
for( unsigned short int SubMeshIndex = 0 ; SubMeshIndex < myMesh->getNumSubMeshes() ; SubMeshIndex++ )
{
if( !UseAllSubmeshes && (SubMeshIndex > 0) )
break;
if( SharedVerts && (SubMeshIndex > 0) )
break;
subMesh = myMesh->getSubMesh(SubMeshIndex);
indexData = subMesh->indexData;
vertexData = SharedVerts ? myMesh->sharedVertexData : myMesh->getSubMesh(SubMeshIndex)->vertexData;
const Ogre::VertexElement* posElem = vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vBuffer = vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
Ogre::HardwareIndexBufferSharedPtr iBuffer = indexData->indexBuffer;
currtriCount=indexData->indexCount/3;
triCount+=(indexData->indexCount/3);
unsigned char* vertex = static_cast<unsigned char*>(vBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
float* pReal = NULL;
for( size_t j = 0 ; j < vertexData->vertexCount ; j++, vertex += vBuffer->getVertexSize() )
{
posElem->baseVertexPointerToElement(vertex, &pReal);
vertices[j + VertPrevSize].x = *pReal++;
vertices[j + VertPrevSize].y = *pReal++;
vertices[j + VertPrevSize].z = *pReal++;
}
vBuffer->unlock();
size_t index_offset = 0;
use32bitindexes = (iBuffer->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned long* pLong = static_cast<unsigned long*>(iBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort = reinterpret_cast<unsigned short*>(pLong);
if( use32bitindexes )
{
for (size_t k = 0; k < currtriCount*3; ++k)
{
if(SubMeshIndex > 0 && VertPerSubMesh) {
indices[index_offset+IndiPrevSize] = pLong[k] + VertPerSubMesh[SubMeshIndex];
}else{
indices[index_offset+IndiPrevSize] = pLong[k];
}
index_offset++;
}
}else{
for( size_t k = 0 ; k < currtriCount * 3 ; ++k )
{
if(SubMeshIndex > 0 && VertPerSubMesh) {
indices[index_offset+IndiPrevSize] = (static_cast<unsigned long>(pShort[k])) + VertPerSubMesh[SubMeshIndex];
}else{
indices[index_offset+IndiPrevSize] = static_cast<unsigned long>(pShort[k]);
}
index_offset++;
}
}
iBuffer->unlock();
VertPrevSize += vertexData->vertexCount;
IndiPrevSize += indexData->indexCount;
}
ConvexDecomposition::DecompDesc desc;
desc.mVcount = vertexData->vertexCount;
desc.mTcount = triCount;
desc.mVertices = &vertices[0].x;
desc.mIndices = &indices[0];
unsigned int maxv = 16;
float skinWidth = 0.0;
desc.mDepth = Depth;
desc.mCpercent = CPercent;
desc.mPpercent = PPercent;
desc.mMaxVertices = maxv;
desc.mSkinWidth = skinWidth;
Internal::MezzConvexDecomposition decomp;
desc.mCallback = &decomp;
ConvexBuilder cb(desc.mCallback);
cb.process(desc);
CompoundCollisionShape* compound = new CompoundCollisionShape(Name);
btTransform trans;
trans.setIdentity();
for (int i=0;i<decomp.m_convexShapes.size();i++)
{
std::stringstream namestream;
namestream << Name << "Child" << i;
Vector3 centroid(decomp.m_convexCentroids[i]);
ConvexHullCollisionShape* convexShape = new ConvexHullCollisionShape(namestream.str(),decomp.m_convexShapes[i]);
compound->AddChildShape(convexShape,centroid);
}
delete[] vertices;
delete[] indices;
delete[] VertPerSubMesh;
return compound;
}
void NxMeshManager::SetPivotTransform( Ogre::MeshPtr mesh, const Nx::Vector3 & Position, const Nx::Quaternion & Rotation, const Nx::Vector3 & Scale )
{
//from mesh magick / mit licence
Nx::Matrix4 transform = Nx::Matrix4::IDENTITY;
Nx::Vector3 translate = Nx::Vector3::ZERO;
// Apply current transform to the mesh, to get the bounding box to
// base te translation on.
AxisAlignedBox aabb = getMeshAabb( mesh, transform);
//if (alignment == "left")
//{
// translate = Vector3(-aabb.getMinimum().x, 0, 0);
//}
//else if (alignment == "center")
//{
// translate = Vector3(-aabb.getCenter().x, 0, 0);
//}
//else if (alignment == "right")
//{
// translate = Vector3(-aabb.getMaximum().x, 0, 0);
//}
//Position .. only support pivot down / centered
//translate = Vector3(0, -aabb.getMinimum().y, 0);// pivot down
translate = Position;
transform = Nx::Matrix4::getTrans(translate) * transform;
//rotation
transform = Nx::Matrix4(Rotation) * transform;
//scale
transform = Nx::Matrix4::getScale(Scale) * transform;
// Check whether we have to flip vertex winding.
// We do have to, if we changed our right hand base.
// We can test it by using the cross product from X and Y and see, if it is a non-negative
// projection on Z. Actually it should be exactly Z, as we don't do non-uniform scaling yet,
// but the test is cheap either way.
Nx::Matrix3 m3;
transform.extract3x3Matrix(m3);
if (m3.GetColumn(0).crossProduct(m3.GetColumn(1)).dotProduct(m3.GetColumn(2)) < 0)
{
LogMsg("SetPivotPosition : Flipping vertex winding ... " );
mFlipVertexWinding = true;
}
//mTransform = transform;
NxMat4toOgre( mTransform, transform ) ;
mBoundingBox.setNull();
if( mesh->sharedVertexData != NULL)
{
processVertexData( mesh->sharedVertexData);
}else
{
LogMsg("mesh->sharedVertexData NULL");
}
for( int i = 0; i < mesh->getNumSubMeshes(); i++ )
{
SubMesh* submesh = mesh->getSubMesh(i);
if( submesh->vertexData != NULL )
{
LogMsg("SetPivotPosition : Processing vertex data ... " );
processVertexData(submesh->vertexData);
}else
{
LogMsg("submesh->vertexData NULL");
}
if (submesh->indexData != NULL)
{
LogMsg("SetPivotPosition : Processing Index data .." );
processIndexData(submesh->indexData);
}else
{
LogMsg("submesh->indexData NULL");
}
}
//process pose
for( unsigned short i = 0; i < mesh->getPoseCount(); ++i )
{
Ogre::Pose * pose = mesh->getPose(i);
Ogre::Matrix3 m3x3;
mTransform.extract3x3Matrix(m3x3);
Pose::VertexOffsetIterator it = pose->getVertexOffsetIterator();
while (it.hasMoreElements()) {
Ogre::Vector3 offset = it.peekNextValue();
Ogre::Vector3 newOffset = m3x3 * offset;
*it.peekNextValuePtr() = newOffset;
it.moveNext();
}
}
mesh->_setBounds( mBoundingBox, false );
}
void
PolyMousePicker::GetMeshInformation(
Ogre::Entity *entity,
size_t &vertex_count,
Ogre::Vector3* &vertices,
size_t &index_count,
Ogre::uint32* &indices,
const Ogre::Vector3 &position,
const Ogre::Quaternion &orient,
const Ogre::Vector3 &scale)
{
bool added_shared = false;
size_t current_offset = 0;
size_t shared_offset = 0;
size_t next_offset = 0;
size_t index_offset = 0;
vertex_count = index_count = 0;
Ogre::MeshPtr mesh = entity->getMesh();
bool useSoftwareBlendingVertices = entity->hasSkeleton();
if (useSoftwareBlendingVertices)
{
entity->_updateAnimation();
}
// Calculate how many vertices and indices we're going to need
for (unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh( i );
// We only need to add the shared vertices once
if(submesh->useSharedVertices)
{
if( !added_shared )
{
vertex_count += mesh->sharedVertexData->vertexCount;
added_shared = true;
}
}
else
{
vertex_count += submesh->vertexData->vertexCount;
}
// Add the indices
index_count += submesh->indexData->indexCount;
}
// Allocate space for the vertices and indices
vertices = new Ogre::Vector3[vertex_count];
indices = new Ogre::uint32[index_count];
added_shared = false;
// Run through the submeshes again, adding the data into the arrays
for ( unsigned short i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
//----------------------------------------------------------------
// GET VERTEXDATA
//----------------------------------------------------------------
Ogre::VertexData* vertex_data;
//When there is animation:
if(useSoftwareBlendingVertices)
vertex_data = submesh->useSharedVertices ? entity->_getSkelAnimVertexData() : entity->getSubEntity(i)->_getSkelAnimVertexData();
else
vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
if((!submesh->useSharedVertices)||(submesh->useSharedVertices && !added_shared))
{
if(submesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
const Ogre::VertexElement* posElem =
vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf =
vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertex =
static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
// There is _no_ baseVertexPointerToElement() which takes an Ogre::Real or a double
// as second argument. So make it float, to avoid trouble when Ogre::Real will
// be comiled/typedefed as double:
// Ogre::Real* pReal;
float* pReal;
for( size_t j = 0; j < vertex_data->vertexCount; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &pReal);
Ogre::Vector3 pt(pReal[0], pReal[1], pReal[2]);
vertices[current_offset + j] = (orient * (pt * scale)) + position;
}
vbuf->unlock();
next_offset += vertex_data->vertexCount;
}
Ogre::IndexData* index_data = submesh->indexData;
size_t numTris = index_data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
void* hwBuf = ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
size_t offset = (submesh->useSharedVertices)? shared_offset : current_offset;
size_t index_start = index_data->indexStart;
size_t last_index = numTris*3 + index_start;
if (use32bitindexes) {
Ogre::uint32* hwBuf32 = static_cast<Ogre::uint32*>(hwBuf);
for (size_t k = index_start; k < last_index; ++k)
{
indices[index_offset++] = hwBuf32[k] + static_cast<Ogre::uint32>( offset );
}
} else {
Ogre::uint16* hwBuf16 = static_cast<Ogre::uint16*>(hwBuf);
for (size_t k = index_start; k < last_index; ++k)
{
indices[ index_offset++ ] = static_cast<Ogre::uint32>( hwBuf16[k] ) +
static_cast<Ogre::uint32>( offset );
}
}
ibuf->unlock();
current_offset = next_offset;
}
}