void IndexBuffer::AddFromIndexData(Ogre::IndexData* indexData, const unsigned int offset)
{
// Get vertex count
const unsigned int addedCount = indexData->indexCount;
if(_reserved < _size + addedCount)
{
Reserve(_size + addedCount);
}
Ogre::HardwareIndexBufferSharedPtr hardwareBuffer = indexData->indexBuffer;
const bool use32bitindexes = (hardwareBuffer->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
if (use32bitindexes)
{
const unsigned int* curIndex = static_cast<unsigned int*>
(hardwareBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
for(unsigned int k = 0; k < addedCount; ++k)
{
_buffer.push_back(offset + (*curIndex++));
}
}
else
{
const unsigned short* curIndex = static_cast<unsigned short*>
(hardwareBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
for(unsigned int k = 0; k < addedCount; ++k)
{
_buffer.push_back(offset + static_cast<unsigned int>(*curIndex++));
}
}
_size = _buffer.size();
hardwareBuffer->unlock();
}
void processIndexData(IndexData* indexData)
{
if (!mFlipVertexWinding)
{
// Nothing to do.
return;
}
if (indexData->indexCount % 3 != 0)
{
printf("Index number is not a multiple of 3, no vertex winding flipping possible. Skipped.");
return;
}
//print("Flipping index order for vertex winding flipping.", V_HIGH);
Ogre::HardwareIndexBufferSharedPtr buffer = indexData->indexBuffer;
unsigned char* data = static_cast<unsigned char*>(buffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
if(buffer->getType() == Ogre::HardwareIndexBuffer::IT_16BIT)
{
// 16 bit
//print("using 16bit indices", V_HIGH);
for (size_t i = 0; i < indexData->indexCount; i+=3)
{
Ogre::uint16 * i0 = (Ogre::uint16*)(data+0 * buffer->getIndexSize());
Ogre::uint16* i2 = (Ogre::uint16*)(data+2 * buffer->getIndexSize());
// flip
Ogre::uint16 tmp = *i0;
*i0 = *i2;
*i2 = tmp;
data += 3 * buffer->getIndexSize();
}
}
else
{
// 32 bit
//print("using 32bit indices", V_HIGH);
for (size_t i = 0; i < indexData->indexCount; i+=3)
{
Ogre::uint32* i0 = (Ogre::uint32*)(data+0 * buffer->getIndexSize());
Ogre::uint32* i2 = (Ogre::uint32*)(data+2 * buffer->getIndexSize());
// flip
Ogre::uint32 tmp = *i0;
*i0 = *i2;
*i2 = tmp;
data += 3 * buffer->getIndexSize();
}
}
buffer->unlock();
}
//------------------------------------------------------------------------------------------------
void VertexIndexToShape::addIndexData(Ogre::IndexData *data, const unsigned int offset)
{
const unsigned int prev_size = mIndexCount;
mIndexCount += (unsigned int)data->indexCount;
unsigned int* tmp_ind = new unsigned int[mIndexCount];
if (mIndexBuffer)
{
memcpy (tmp_ind, mIndexBuffer, sizeof(unsigned int) * prev_size);
delete[] mIndexBuffer;
}
mIndexBuffer = tmp_ind;
const unsigned int numTris = (unsigned int) data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = data->indexBuffer;
const bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned int index_offset = prev_size;
if (use32bitindexes)
{
const unsigned int* pInt = static_cast<unsigned int*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
for(unsigned int k = 0; k < numTris; ++k)
{
mIndexBuffer[index_offset ++] = offset + *pInt++;
mIndexBuffer[index_offset ++] = offset + *pInt++;
mIndexBuffer[index_offset ++] = offset + *pInt++;
}
ibuf->unlock();
}
else
{
const unsigned short* pShort = static_cast<unsigned short*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
for(unsigned int k = 0; k < numTris; ++k)
{
mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++);
mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++);
mIndexBuffer[index_offset ++] = offset + static_cast<unsigned int> (*pShort++);
}
ibuf->unlock();
}
}
mesh::mesh(const std::string &mn, const mat4 &tf, const world &_world):
/** Don't know if world() is the best thing to pass but it works for now **/
_mesh(NewtonMeshCreate(_world))
{
Ogre::MeshPtr meshPtr;
try
{
meshPtr = Ogre::MeshPtr(Ogre::MeshManager::getSingleton().load(mn,
Ogre::ResourceGroupManager::AUTODETECT_RESOURCE_GROUP_NAME));
}
catch(...)
{
return;
}
const Ogre::Mesh &mesh = *meshPtr;
NewtonMeshBeginFace(_mesh);
for (unsigned smi = 0; smi < mesh.getNumSubMeshes(); smi++) {
Ogre::SubMesh *subMesh = mesh.getSubMesh(smi);
Ogre::VertexData *vertexData =
(subMesh->useSharedVertices) ?
vertexData = mesh.sharedVertexData : vertexData = subMesh->vertexData;
Ogre::VertexDeclaration *vertexDecl = vertexData->vertexDeclaration;
const Ogre::VertexElement *element = vertexDecl->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vertexHVBSP =
vertexData->vertexBufferBinding->getBuffer(element->getSource());
unsigned char *vPtr = (unsigned char*)(vertexHVBSP->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
Ogre::IndexData *indexData = subMesh->indexData;
size_t numIndices = indexData->indexCount;
size_t numTris = numIndices / 3;
// get pointer!
Ogre::HardwareIndexBufferSharedPtr indexHIBSP = indexData->indexBuffer;
// 16 or 32 bit indices?
bool indicesAre32Bit = (indexHIBSP->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
unsigned long *longPtr = NULL;
unsigned short *shortPtr = NULL;
if (indicesAre32Bit)
longPtr = static_cast<unsigned long*>(
indexHIBSP->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
else
shortPtr = static_cast<unsigned short*>(
indexHIBSP->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
//now loop through the indices, getting polygon info!
int iOffset = 0;
for (size_t i = 0; i < numTris; i++) {
vec3 triVertices[3];
unsigned char *vOffset = NULL;
float *vertexPosPtr = NULL;
int idx = 0;
for (int j = 0; j < 3; j++) {
if (indicesAre32Bit)
idx = longPtr[iOffset + j];
else
idx = shortPtr[iOffset + j];
vOffset = vPtr + (idx * vertexHVBSP->getVertexSize());
element->baseVertexPointerToElement(vOffset, &vertexPosPtr);
triVertices[j].x = *vertexPosPtr; vertexPosPtr++;
triVertices[j].y = *vertexPosPtr; vertexPosPtr++;
triVertices[j].z = *vertexPosPtr; vertexPosPtr++;
triVertices[j] = tf * triVertices[j];
}
// _mesh, 3 vertices (triangle), (float = 4 bytes) * 3
// index = index of sub mesh (easy to recognize)
NewtonMeshAddFace(_mesh, 3, &triVertices[0].x, sizeof(float) * 3, smi);
iOffset += 3;
}
//unlock the buffers!
vertexHVBSP->unlock();
indexHIBSP->unlock();
}
NewtonMeshEndFace(_mesh);
}
Rocket::Core::CompiledGeometryHandle RocketInterface::CompileGeometry(
Rocket::Core::Vertex* vertices, int numVertices, int* indices, int numIndices,
Rocket::Core::TextureHandle texture)
{
RocketOgreGeometry* geometry = new RocketOgreGeometry();
geometry->texture = texture == 0 ? nullptr : reinterpret_cast<RocketOgreTexture*>(texture);
geometry->renderOp.vertexData = new Ogre::VertexData();
geometry->renderOp.vertexData->vertexStart = 0;
geometry->renderOp.vertexData->vertexCount = numVertices;
geometry->renderOp.indexData = new Ogre::IndexData();
geometry->renderOp.indexData->indexStart = 0;
geometry->renderOp.indexData->indexCount = numIndices;
geometry->renderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
// Set up the vertex declaration
Ogre::VertexDeclaration* vertexDecl = geometry->renderOp.vertexData->vertexDeclaration;
size_t offset = 0;
vertexDecl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
vertexDecl->addElement(0, offset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
vertexDecl->addElement(0, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
// Create the vertex buffer
Ogre::HardwareVertexBufferSharedPtr vb =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
vertexDecl->getVertexSize(0), numVertices, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
geometry->renderOp.vertexData->vertexBufferBinding->setBinding(0, vb);
// Fill the vertex buffer
RocketOgreVertex* vertexData = static_cast<RocketOgreVertex*>(
vb->lock(0, vb->getSizeInBytes(), Ogre::HardwareBuffer::HBL_NORMAL));
for (int i = 0; i < numVertices; ++i)
{
vertexData[i].position.x = vertices[i].position.x;
vertexData[i].position.y = vertices[i].position.y;
vertexData[i].uv.x = vertices[i].tex_coord[0];
vertexData[i].uv.y = vertices[i].tex_coord[1];
// Calculate colour value
Ogre::ColourValue diffuse(
vertices[i].colour.red / 255.0f, vertices[i].colour.green / 255.0f,
vertices[i].colour.blue / 255.0f, vertices[i].colour.alpha / 255.0f);
// Scale colour by gamma value (2.2)
diffuse.r = Pow(diffuse.r, 2.2f);
diffuse.g = Pow(diffuse.g, 2.2f);
diffuse.b = Pow(diffuse.b, 2.2f);
diffuse.a = Pow(diffuse.a, 2.2f);
mRenderSystem->convertColourValue(diffuse, &vertexData[i].colour);
}
vb->unlock();
// Create the index buffer
Ogre::HardwareIndexBufferSharedPtr ib =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_32BIT, numIndices,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
geometry->renderOp.indexData->indexBuffer = ib;
geometry->renderOp.useIndexes = true;
// Fill the index buffer
void* indexData = ib->lock(0, ib->getSizeInBytes(), Ogre::HardwareBuffer::HBL_NORMAL);
memcpy(indexData, indices, sizeof(unsigned int) * numIndices);
ib->unlock();
return reinterpret_cast<Rocket::Core::CompiledGeometryHandle>(geometry);
}
void
TerrainTileEditable::createGeometry(TerrainData* data, int xbase, int zbase, int xsize, int zsize)
{
destoryGeometry();
// build the material backet map
MaterialBucketMap materialBucketMap;
buildMaterialBucketMap(materialBucketMap);
// Build renderables
for (MaterialBucketMap::const_iterator im = materialBucketMap.begin(); im != materialBucketMap.end(); ++im)
{
const MaterialBucket* mb = &im->second;
TerrainTileEditableRenderable* renderable = new TerrainTileEditableRenderable(this, mb->layerIndex);
mRenderables.push_back(renderable);
size_t numQuads = mb->grids.size();
size_t indexCount = numQuads * 6;
renderable->mMaterial = mb->material;
Ogre::HardwareIndexBufferSharedPtr indexBuffer =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT,
indexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
Ogre::IndexData* indexData = new Ogre::IndexData;
indexData->indexBuffer = indexBuffer;
indexData->indexStart = 0;
indexData->indexCount = indexCount;
renderable->mRenderOp.indexData = indexData;
renderable->mRenderOp.vertexData = mVertexDatas[mb->layerIndex];
renderable->mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
renderable->mRenderOp.useIndexes = true;
ushort* pIndices = static_cast<ushort*>(indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (GridIdList::const_iterator igrid = mb->grids.begin(); igrid != mb->grids.end(); ++igrid)
{
size_t grid = *igrid;
const TerrainData::GridInfo& gridInfo = data->mGridInfos[grid];
const TerrainData::Corner* corners = gridInfo.getCorners();
int x = grid % data->mXSize - xbase;
int z = grid / data->mXSize - zbase;
assert(x < xsize && z < zsize);
size_t index = (z*xsize + x) * 4;
*pIndices++ = index + corners[1];
*pIndices++ = index + corners[0];
*pIndices++ = index + corners[2];
*pIndices++ = index + corners[1];
*pIndices++ = index + corners[2];
*pIndices++ = index + corners[3];
}
indexBuffer->unlock();
}
for (size_t layerIndex = 0; layerIndex < 2; ++layerIndex)
{
fillLayerBuffer(layerIndex, mVertexDatas.back()->vertexBufferBinding->getBuffer(layerIndex+1));
}
mGeometryOutOfDate = false;
}
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;
}
}
// 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 GPUBillboardSet::createVertexDataForVertexShaderOnly(const std::vector<PhotoSynth::Vertex>& vertices)
{
// Setup render operation
mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.vertexData = OGRE_NEW Ogre::VertexData();
mRenderOp.vertexData->vertexCount = vertices.size() * 4;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.useIndexes = true;
mRenderOp.indexData = OGRE_NEW Ogre::IndexData();
mRenderOp.indexData->indexCount = vertices.size() * 6;
mRenderOp.indexData->indexStart = 0;
// Vertex format declaration
unsigned short sourceBufferIdx = 0;
Ogre::VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
size_t currOffset = 0;
decl->addElement(sourceBufferIdx, currOffset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
decl->addElement(sourceBufferIdx, currOffset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
decl->addElement(sourceBufferIdx, currOffset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
// Create vertex buffer
Ogre::HardwareVertexBufferSharedPtr vbuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(sourceBufferIdx),
mRenderOp.vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Bind vertex buffer
Ogre::VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
bind->setBinding(sourceBufferIdx, vbuf);
// Fill vertex buffer (see http://www.ogre3d.org/docs/manual/manual_59.html#SEC287)
Ogre::RenderSystem* renderSystem = Ogre::Root::getSingletonPtr()->getRenderSystem();
unsigned char* pVert = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
Ogre::Real* pReal;
Ogre::RGBA* pRGBA;
Ogre::VertexDeclaration::VertexElementList elems = decl->findElementsBySource(sourceBufferIdx);
Ogre::VertexDeclaration::VertexElementList::iterator itr;
const Ogre::Vector2 uvs[4] = { Ogre::Vector2( -1.f, 1.f ),
Ogre::Vector2( -1.f, -1.f ),
Ogre::Vector2( 1.f, -1.f ),
Ogre::Vector2( 1.f, 1.f ) };
for (unsigned int i=0; i<vertices.size(); ++i )
{
const PhotoSynth::Vertex& vertex = vertices[i];
for ( unsigned int j=0; j<4; j++ )
{
for (itr=elems.begin(); itr!=elems.end(); ++itr)
{
Ogre::VertexElement& elem = *itr;
if (elem.getSemantic() == Ogre::VES_POSITION)
{
elem.baseVertexPointerToElement(pVert, &pReal);
*pReal = vertex.position.x; *pReal++;
*pReal = vertex.position.y; *pReal++;
*pReal = vertex.position.z; *pReal++;
}
else if (elem.getSemantic() == Ogre::VES_DIFFUSE)
{
elem.baseVertexPointerToElement(pVert, &pRGBA);
renderSystem->convertColourValue(vertex.color, pRGBA);
}
else if (elem.getSemantic() == Ogre::VES_TEXTURE_COORDINATES && elem.getIndex() == 0)
{
elem.baseVertexPointerToElement(pVert, &pReal);
*pReal = uvs[j].x; *pReal++;
*pReal = uvs[j].y; *pReal++;
}
}
// Go to next vertex
pVert += vbuf->getVertexSize();
}
}
vbuf->unlock();
// Create index buffer
if (mRenderOp.indexData->indexCount>=65536)
{
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_32BIT,
mRenderOp.indexData->indexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
mRenderOp.indexData->indexBuffer = ibuf;
Ogre::uint32* indices = static_cast<Ogre::uint32*>(ibuf->lock( Ogre::HardwareBuffer::HBL_DISCARD));
Ogre::uint32 indexFirstVertex = 0;
const Ogre::uint32 inds[6] = { 0, 1, 2, 3, 0, 2 };
for (unsigned int i=0; i<vertices.size(); ++i)
{
for (unsigned int j=0; j<6; ++j)
{
*indices = indexFirstVertex + inds[j];
indices++;
}
indexFirstVertex +=4;
}
ibuf->unlock();
}
else
{
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT,
mRenderOp.indexData->indexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
mRenderOp.indexData->indexBuffer = ibuf;
Ogre::uint16* indices = static_cast<Ogre::uint16*>( ibuf->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
Ogre::uint32 indexFirstVertex = 0;
const Ogre::uint16 inds[6] = { 0, 1, 2, 3, 0, 2 };
for ( unsigned int i=0; i<vertices.size(); ++i )
{
for ( unsigned int j=0; j<6; ++j )
{
*indices = indexFirstVertex + inds[j];
indices++;
}
indexFirstVertex +=4;
}
ibuf->unlock();
}
// Set material
this->setMaterial("GPUBillboard");
}
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;
}
}
/*求对象rend和射线ray的全部交点到射线原点的距离
*/
vector<Ogre::Real> BaseManager::Intersect(const Ogre::Ray& ray,Ogre::Renderable *rend){
Ogre::RenderOperation op;
Ogre::VertexElementType vtype;
size_t offset,pkgsize,source,indexNums,vertexNums;
vector<Ogre::Real> result;
rend->getRenderOperation( op );
if( !op.indexData ||
op.operationType==Ogre::RenderOperation::OT_LINE_LIST ||
op.operationType==Ogre::RenderOperation::OT_LINE_STRIP ||
op.operationType==Ogre::RenderOperation::OT_POINT_LIST )
return result;
Ogre::VertexDeclaration* pvd = op.vertexData->vertexDeclaration;
source = -1;
for( size_t i = 0;i < pvd->getElementCount();++i ){
if( pvd->getElement(i)->getSemantic()==Ogre::VES_POSITION ){
source = pvd->getElement(i)->getSource();
offset = pvd->getElement(i)->getOffset();
vtype = pvd->getElement(i)->getType();
break;
}
}
if( source == - 1 || vtype != Ogre::VET_FLOAT3 ) //别的格式目前没有考虑
return result;
/*source对应与一个缓存区
getVertexSize(source)求缓存区中一个紧密数据包的大小
例如：一个数据包里面包括POSITION,COLOR,NORMAL,TEXCROOD然后在这个缓冲
区中循环。而getVertexSize求出这个包的字节大小
例如POSITION(FLOAT3) TEXCROOD(FLOAT2) 这样前面的是12字节后面的是8字节
getVertexSize返回20
*/
pkgsize = pvd->getVertexSize(source);
Ogre::HardwareVertexBufferSharedPtr hvb = op.vertexData->vertexBufferBinding->getBuffer(source);
Ogre::HardwareIndexBufferSharedPtr ivb = op.indexData->indexBuffer;
Ogre::HardwareIndexBuffer::IndexType indexType = op.indexData->indexBuffer->getType();
/*先将顶点数据复制一份，然后变换到世界坐标系
*/
vertexNums = hvb->getNumVertices();
indexNums = ivb->getNumIndexes();
boost::scoped_array<float> vp( new float[3*vertexNums] );
boost::scoped_array<unsigned int> ip( new unsigned int[indexNums] );
{
Ogre::Vector3 p3;
Ogre::Matrix4 mat;
rend->getWorldTransforms( &mat );
float* preal = (float*)hvb->lock( Ogre::HardwareBuffer::HBL_READ_ONLY );
float* ptarget = vp.get();
//这里考虑到对齐，我假设offset和pkgsize都可以被sizeof(float)整除
preal += offset/sizeof(float);
size_t strip = pkgsize/sizeof(float);
for( size_t i = 0; i < vertexNums;++i ){
p3.x = *preal;
p3.y = *(preal+1);
p3.z = *(preal+2);
p3 = mat * p3;
*ptarget++ = p3.x;
*ptarget++ = p3.y;
*ptarget++ = p3.z;
preal += strip;
}
hvb->unlock();
}
//拷贝出顶点数据
{
unsigned int* pindex32 = ip.get();
if( indexType==Ogre::HardwareIndexBuffer::IT_16BIT ){
unsigned short* pi16 = (unsigned short*)ivb->lock( Ogre::HardwareBuffer::HBL_READ_ONLY );
copy( pi16,pi16+indexNums,pindex32 );
}else
memcpy( pindex32,ivb->lock( Ogre::HardwareBuffer::HBL_READ_ONLY ),ivb->getSizeInBytes() );
ivb->unlock();
}
/*数据都准备好了，vp保存了变换好的顶点，ip保存了顶点索引
下面根据情况求交点
*/
switch( op.operationType ){
case Ogre::RenderOperation::OT_TRIANGLE_LIST:
{ /* 0,1,2 组成一个三角 3,4,5 下一个...
*/
Ogre::Vector3 a[3],n;
int index,k = 0;
float* preal = vp.get();
unsigned int* pindex = ip.get();
for( size_t i = 0;i<indexNums;++i ){
if( pindex[i] < vertexNums ){
index = pindex[i]*3; //对应与格式VET_FLOAT3
a[k].x = preal[index];
a[k].y = preal[index+1];
a[k].z = preal[index+2];
if( k == 2 ){//三个点都填满了
//这里使用的是Math3d的求交函数，而不是Ogre::Math的
//原因就在于Ogre::Math的求交点函数不能得到射线背面那个负的交点
std::pair<bool,Ogre::Real> res = Math3d::intersects(ray,a[0],a[1],a[2],true,true);
if( res.first )
result.push_back( res.second );
k = 0;
}else
k++;
}else{
WARNING_LOG("Game::Intersect"<<" Invalid index rang out" << " pindex["<<i<<"]="<<pindex[i] << "("<<vertexNums<<")");
return result;
}
}
}
break;
case Ogre::RenderOperation::OT_TRIANGLE_FAN:
{/* 0,1,2组成一个三角 0,2,3 组成下一个 0,3,4...
*/
assert( false||"Game::Intersect can't support OT_TRIANGLE_FAN " );
}
break;
case Ogre::RenderOperation::OT_TRIANGLE_STRIP:
{//0,1,2组成第一个三角 1,2,3 组成下一个 2,3,4...
assert( false||"Game::Intersect can't support OT_TRIANGLE_STRIP " );
}
break;
default:;
}
return result;
}
void MeshUtils::meshBuffersToArrays(const Ogre::MeshPtr& mesh, Ogre::Vector3* vertices, unsigned long* indices)
{
bool added_shared = false;
size_t current_offset = 0;
size_t shared_offset = 0;
size_t next_offset = 0;
size_t index_offset = 0;
//const Ogre::Vector3 &position = ent->getParentNode()->_getDerivedPosition();
//const Ogre::Quaternion &orient = ent->getParentNode()->_getDerivedOrientation();
//const Ogre::Vector3 &scale = ent->getParentNode()->_getDerivedScale();
const Ogre::Vector3 &position = Ogre::Vector3::ZERO;
const Ogre::Quaternion &orient = Ogre::Quaternion::IDENTITY;
const Ogre::Vector3 &scale = Ogre::Vector3::UNIT_SCALE;
Ogre::Mesh::SubMeshIterator itr = mesh->getSubMeshIterator();
while (itr.hasMoreElements()) {
Ogre::SubMesh* submesh = itr.getNext();
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::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 k = 0; k < vertex_data->vertexCount; ++k, vertex += vbuf->getVertexSize()) {
posElem->baseVertexPointerToElement(vertex, &pReal);
Ogre::Vector3 pt(pReal[0], pReal[1], pReal[2]);
vertices[current_offset + k] = (orient * (pt * scale)) + position;
//vertices[current_offset + k] = pt;
}
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;
if (use32bitindexes) {
for (size_t k = 0; k < numTris * 3; ++k) {
indices[index_offset++] = pLong[k] + static_cast<unsigned long> (offset);
}
} else {
for (size_t k = 0; k < numTris * 3; ++k) {
indices[index_offset++] = static_cast<unsigned long> (pShort[k]) +
static_cast<unsigned long> (offset);
}
}
ibuf->unlock();
current_offset = next_offset;
}
}
bool ShaderParticleRenderer::allocateBuffers(size_t iNumParticles)
{
// prepare vertex declaration
if (mVertexData->vertexDeclaration->getElementCount() == 0) {
VertexDeclaration* pDecl = mVertexData->vertexDeclaration;
size_t ofs = 0;
ofs += pDecl->addElement(0, ofs, VET_FLOAT4, VES_POSITION).getSize(); // position
if (mVertexFormatColour)
ofs += pDecl->addElement(0, ofs, VET_FLOAT4, VES_DIFFUSE).getSize(); // diffuse colour
// other data are stored in vertex as texture coordinates
ushort ix = 0;
if (mVertexFormatTexture)
ofs += pDecl->addElement(0, ofs, VET_FLOAT2, VES_TEXTURE_COORDINATES, ix++).getSize(); // general texture coord
if (mVertexFormatSize)
ofs += pDecl->addElement(0, ofs, VET_FLOAT2, VES_TEXTURE_COORDINATES, ix++).getSize(); // particle size
if (mVertexFormatRotation || mVertexFormatRotationSpeed) {
if (mVertexFormatRotation && mVertexFormatRotationSpeed)
ofs += pDecl->addElement(0, ofs, VET_FLOAT2, VES_TEXTURE_COORDINATES, ix++).getSize(); // current rotation and rotation speed
else
ofs += pDecl->addElement(0, ofs, VET_FLOAT1, VES_TEXTURE_COORDINATES, ix++).getSize(); // current rotation or rotation speed
}
if (mVertexFormatDirection)
ofs += pDecl->addElement(0, ofs, VET_FLOAT3, VES_TEXTURE_COORDINATES, ix++).getSize(); // particle direction (as speed)
// add packed times
size_t iNumTimes = 0;
if (mVertexFormatTTL) iNumTimes++;
if (mVertexFormatTotalTTL) iNumTimes++;
if (mVertexFormatTimeFragment) iNumTimes++;
if (mVertexFormatTimeFragmentInv) iNumTimes++;
switch(iNumTimes) {
case 1:
ofs += pDecl->addElement(0, ofs, VET_FLOAT1, VES_TEXTURE_COORDINATES, ix++).getSize();
break;
case 2:
ofs += pDecl->addElement(0, ofs, VET_FLOAT2, VES_TEXTURE_COORDINATES, ix++).getSize();
break;
case 3:
ofs += pDecl->addElement(0, ofs, VET_FLOAT3, VES_TEXTURE_COORDINATES, ix++).getSize();
break;
case 4:
ofs += pDecl->addElement(0, ofs, VET_FLOAT4, VES_TEXTURE_COORDINATES, ix++).getSize();
break;
}
// add custom parameters
ofs += pDecl->addElement(0, ofs, VET_FLOAT4, VES_TEXTURE_COORDINATES, ix++).getSize();
assert(ix <= 8);
// cache vertex size
mVertexSize = pDecl->getVertexSize(0);
}
Ogre::HardwareVertexBufferSharedPtr pVB;
if (mVertexData->vertexBufferBinding->isBufferBound(0))
pVB = mVertexData->vertexBufferBinding->getBuffer(0);
// prepare vertex buffer
if (pVB.isNull() || pVB->getNumVertices() < iNumParticles * 4) {
assert(iNumParticles * 4 < 65536); // we are using 16bit index buffer
pVB = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(mVertexSize, 4 * iNumParticles, Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
if (pVB.isNull())
return false;
mVertexData->vertexBufferBinding->setBinding(0, pVB);
}
// prepare index buffer
Ogre::HardwareIndexBufferSharedPtr pIB = mIndexData->indexBuffer;
if (pIB.isNull() || pIB->getNumIndexes() < iNumParticles * 6) {
pIB = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, iNumParticles * 6, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
if (pIB.isNull())
return false;
mIndexData->indexBuffer = pIB;
// fill
Ogre::uint16* pDataIB = reinterpret_cast<Ogre::uint16*>(pIB->lock(Ogre::HardwareBuffer::HBL_NORMAL));
for (Ogre::uint16 k=0; k<static_cast<Ogre::uint16>(iNumParticles); ++k) {
pDataIB[0] = k*4 + 0;
pDataIB[1] = k*4 + 1;
pDataIB[2] = k*4 + 2;
pDataIB[3] = k*4 + 0;
pDataIB[4] = k*4 + 2;
pDataIB[5] = k*4 + 3;
pDataIB += 6;
}
pIB->unlock();
}
return true;
}
void TutorialApplication::createSphere(const std::string& strName, const float r, const int nRings, const int nSegments) {
Ogre::MeshPtr pSphere = Ogre::MeshManager::getSingleton().createManual(Ogre::String(strName), Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::SubMesh *pSphereVertex = pSphere->createSubMesh();
pSphere->sharedVertexData = new Ogre::VertexData();
Ogre::VertexData* vertexData = pSphere->sharedVertexData;
// define the vertex format
Ogre::VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
size_t currOffset = 0;
// positions
vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// normals
vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// two dimensional texture coordinates
vertexDecl->addElement(0, currOffset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
currOffset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
// allocate the vertex buffer
vertexData->vertexCount = (nRings + 1) * (nSegments+1);
Ogre::HardwareVertexBufferSharedPtr vBuf = Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
Ogre::VertexBufferBinding* binding = vertexData->vertexBufferBinding;
binding->setBinding(0, vBuf);
float* pVertex = static_cast<float*>(vBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
// allocate index buffer
pSphereVertex->indexData->indexCount = 6 * nRings * (nSegments + 1);
pSphereVertex->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, pSphereVertex->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
Ogre::HardwareIndexBufferSharedPtr iBuf = pSphereVertex->indexData->indexBuffer;
unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
float fDeltaRingAngle = (Ogre::Math::PI / nRings);
float fDeltaSegAngle = (2 * Ogre::Math::PI / nSegments);
unsigned short wVerticeIndex = 0 ;
// Generate the group of rings for the sphere
for( int ring = 0; ring <= nRings; ring++ ) {
float r0 = r * sinf (ring * fDeltaRingAngle);
float y0 = r * cosf (ring * fDeltaRingAngle);
// Generate the group of segments for the current ring
for(int seg = 0; seg <= nSegments; seg++) {
float x0 = r0 * sinf(seg * fDeltaSegAngle);
float z0 = r0 * cosf(seg * fDeltaSegAngle);
// Add one vertex to the strip which makes up the sphere
*pVertex++ = x0;
*pVertex++ = y0;
*pVertex++ = z0;
Ogre::Vector3 vNormal = Ogre::Vector3(x0, y0, z0).normalisedCopy();
*pVertex++ = vNormal.x;
*pVertex++ = vNormal.y;
*pVertex++ = vNormal.z;
*pVertex++ = (float) seg / (float) nSegments;
*pVertex++ = (float) ring / (float) nRings;
if (ring != nRings) {
// each vertex (except the last) has six indices pointing to it
*pIndices++ = wVerticeIndex + nSegments + 1;
*pIndices++ = wVerticeIndex;
*pIndices++ = wVerticeIndex + nSegments;
*pIndices++ = wVerticeIndex + nSegments + 1;
*pIndices++ = wVerticeIndex + 1;
*pIndices++ = wVerticeIndex;
wVerticeIndex ++;
}
}; // end for seg
} // end for ring
// Unlock
vBuf->unlock();
iBuf->unlock();
// Generate face list
pSphereVertex->useSharedVertices = true;
// the original code was missing this line:
pSphere->_setBounds( Ogre::AxisAlignedBox( Ogre::Vector3(-r, -r, -r), Ogre::Vector3(r, r, r) ), false );
pSphere->_setBoundingSphereRadius(r);
// this line makes clear the mesh is loaded (avoids memory leaks)
pSphere->load();
}
/* -----------------------------------------------------------------------
| the function describe retrieve vertexbuffer from Ogre entity :
| (Ref:http://www.ogre3d.org/tikiwiki/tiki-index.php?page=RetrieveVertexData)
|
| @prama in : Ogre entity
| @pamra out : vertex buffer, size of vertexbuffer, vertex indices, sizeof vertex indices
----------------------------------------------------------------------- */
void
getVertexBuffer(Ogre::Entity* ent, void* &vertices, size_t& vertexCount, void* &indices, size_t& indexCount)
{
bool added_shared = false;
size_t current_offset = 0;
size_t shared_offset = 0;
size_t next_offset = 0;
size_t index_offset = 0;
vertexCount = indexCount = 0;
const Ogre::MeshPtr& mesh = ent->getMesh();
// Calculate vertexCount, indexCount
for ( Ogre::ushort i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* subMesh = mesh->getSubMesh(i);
if (subMesh->useSharedVertices)
{
if( !added_shared )
{
vertexCount += mesh->sharedVertexData->vertexCount;
added_shared = true;
}
vertexCount += mesh->sharedVertexData->vertexCount;
}
else
vertexCount += subMesh->vertexData->vertexCount;
indexCount += subMesh->indexData->indexCount;
}
// Alloc vertices, indices
vertices = new Ogre::Vector3[ vertexCount ];
indices = new Ogre::ulong[ indexCount ];
added_shared = false;
// Assign vertices data, indices data
for (Ogre::ushort 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 && !added_shared))
{
if(subMesh->useSharedVertices)
{
added_shared = true;
shared_offset = current_offset;
}
// Retrieve vertices
const Ogre::VertexElement* posElem = vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
Ogre::uchar* vertex = static_cast<Ogre::uchar*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
Ogre::Real* data;
for (size_t j = 0 ; j < vertexData->vertexCount ; ++j, vertex += vbuf->getVertexSize())
{
posElem->baseVertexPointerToElement(vertex, &data);
Ogre::Vector3 origin(data[0], data[1], data[2]);
// ((Ogre::Vector3*)vertices)[ current_offset + j ] = (orient * (origin * scale)) + position;
((Ogre::Vector3*)vertices)[ current_offset + j ] = origin;
} // End for
vbuf->unlock();
next_offset += vertexData->vertexCount;
} // End if
// Retrieve indices
Ogre::IndexData* indexData = subMesh->indexData;
size_t trisCount = indexData->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = indexData->indexBuffer;
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
void* index = (ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
Ogre::ulong offset = (subMesh->useSharedVertices) ? shared_offset : current_offset;
for (Ogre::ulong k = 0; k < trisCount * 3; ++k)
{
if ( use32bitindexes )
((Ogre::ulong*)indices)[ index_offset++ ] = ((Ogre::ulong*)index)[ k + offset ];
else
((Ogre::ulong*)indices)[ index_offset++ ] = ((Ogre::ushort*)index)[ k + offset ];
}
ibuf->unlock();
current_offset = next_offset;
} // End for
}
//-----------------------------------------------------------------------
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());
}
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;
}
}
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 GetTrianglesFromMesh(Ogre::Mesh* mesh, std::vector<float3>& dest)
{
dest.clear();
try
{
for(uint i = 0; i < mesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh* submesh = mesh->getSubMesh(i);
Ogre::VertexData* vertex_data = submesh->useSharedVertices ? mesh->sharedVertexData : submesh->vertexData;
const Ogre::VertexElement* posElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertices = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
size_t vertexSize = vbuf->getVertexSize();
float* pReal = 0;
Ogre::IndexData* index_data = submesh->indexData;
size_t numTris = index_data->indexCount / 3;
Ogre::HardwareIndexBufferSharedPtr ibuf = index_data->indexBuffer;
u32* pLong = static_cast<u32*>(ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
u16* pShort = reinterpret_cast<u16*>(pLong);
bool use32bitindexes = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
if (use32bitindexes)
{
for(size_t k = 0; k < numTris * 3; k += 3)
{
uint i1 = pLong[k];
uint i2 = pLong[k+1];
uint i3 = pLong[k+2];
posElem->baseVertexPointerToElement(vertices + i1 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
posElem->baseVertexPointerToElement(vertices + i2 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
posElem->baseVertexPointerToElement(vertices + i3 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
}
}
else
{
for(size_t k = 0; k < numTris * 3; k += 3)
{
uint i1 = pShort[k];
uint i2 = pShort[k+1];
uint i3 = pShort[k+2];
posElem->baseVertexPointerToElement(vertices + i1 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
posElem->baseVertexPointerToElement(vertices + i2 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
posElem->baseVertexPointerToElement(vertices + i3 * vertexSize, &pReal);
dest.push_back(float3(pReal[0], pReal[1], pReal[2]));
}
}
vbuf->unlock();
ibuf->unlock();
}
} catch(Ogre::Exception &e)
{
///\todo Fix Ogre to not allow meshes like this to be successfully created.
LogError("GetTrianglesFromMesh failed for mesh! Ogre threw an exception: " + QString(e.what()));
dest.clear();
}
}
void MilkshapePlugin::doExportMesh(msModel* pModel)
{
// Create singletons
Ogre::SkeletonManager skelMgr;
Ogre::DefaultHardwareBufferManager defHWBufMgr;
Ogre::LogManager& logMgr = Ogre::LogManager::getSingleton();
Ogre::MeshManager meshMgr;
//
// choose filename
//
OPENFILENAME ofn;
memset (&ofn, 0, sizeof (OPENFILENAME));
char szFile[MS_MAX_PATH];
char szFileTitle[MS_MAX_PATH];
char szDefExt[32] = "mesh";
char szFilter[128] = "OGRE .mesh Files (*.mesh)\0*.mesh\0All Files (*.*)\0*.*\0\0";
szFile[0] = '\0';
szFileTitle[0] = '\0';
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.lpstrDefExt = szDefExt;
ofn.lpstrFilter = szFilter;
ofn.lpstrFile = szFile;
ofn.nMaxFile = MS_MAX_PATH;
ofn.lpstrFileTitle = szFileTitle;
ofn.nMaxFileTitle = MS_MAX_PATH;
ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
ofn.lpstrTitle = "Export to OGRE Mesh";
if (!::GetSaveFileName (&ofn))
return /*0*/;
logMgr.logMessage("Creating Mesh object...");
Ogre::MeshPtr ogreMesh = Ogre::MeshManager::getSingleton().create("export",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
logMgr.logMessage("Mesh object created.");
bool foundBoneAssignment = false;
// No shared geometry
int i;
int wh, numbones;
int intweight[3], intbones[3];
size_t j;
Ogre::Vector3 min, max, currpos;
Ogre::Real maxSquaredRadius;
bool first = true;
for (i = 0; i < msModel_GetMeshCount (pModel); i++)
{
msMesh *pMesh = msModel_GetMeshAt (pModel, i);
logMgr.logMessage("Creating SubMesh object...");
Ogre::SubMesh* ogreSubMesh = ogreMesh->createSubMesh();
logMgr.logMessage("SubMesh object created.");
// Set material
logMgr.logMessage("Getting SubMesh Material...");
int matIdx = msMesh_GetMaterialIndex(pMesh);
if (matIdx == -1)
{
// No material, use blank
ogreSubMesh->setMaterialName("BaseWhite");
logMgr.logMessage("No Material, using default 'BaseWhite'.");
}
else
{
msMaterial *pMat = msModel_GetMaterialAt(pModel, matIdx);
ogreSubMesh->setMaterialName(pMat->szName);
logMgr.logMessage("SubMesh Material Done.");
}
logMgr.logMessage("Setting up geometry...");
// Set up mesh geometry
ogreSubMesh->vertexData = new Ogre::VertexData();
ogreSubMesh->vertexData->vertexCount = msMesh_GetVertexCount (pMesh);
ogreSubMesh->vertexData->vertexStart = 0;
Ogre::VertexBufferBinding* bind = ogreSubMesh->vertexData->vertexBufferBinding;
Ogre::VertexDeclaration* decl = ogreSubMesh->vertexData->vertexDeclaration;
// Always 1 texture layer, 2D coords
#define POSITION_BINDING 0
#define NORMAL_BINDING 1
#define TEXCOORD_BINDING 2
decl->addElement(POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
decl->addElement(NORMAL_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
decl->addElement(TEXCOORD_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
// Create buffers
Ogre::HardwareVertexBufferSharedPtr pbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(POSITION_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr nbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(NORMAL_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr tbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(TEXCOORD_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
bind->setBinding(POSITION_BINDING, pbuf);
bind->setBinding(NORMAL_BINDING, nbuf);
bind->setBinding(TEXCOORD_BINDING, tbuf);
ogreSubMesh->useSharedVertices = false;
float* pPos = static_cast<float*>(
pbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing positions and texture coords...");
for (j = 0; j < ogreSubMesh->vertexData->vertexCount; ++j)
{
logMgr.logMessage("Doing vertex " + Ogre::StringConverter::toString(j));
msVertex *pVertex = msMesh_GetVertexAt (pMesh, (int)j);
msVertexEx *pVertexEx=msMesh_GetVertexExAt(pMesh, (int)j);
msVec3 Vertex;
msVertex_GetVertex (pVertex, Vertex);
*pPos++ = Vertex[0];
*pPos++ = Vertex[1];
*pPos++ = Vertex[2];
// Deal with bounds
currpos = Ogre::Vector3(Vertex[0], Vertex[1], Vertex[2]);
if (first)
{
min = max = currpos;
maxSquaredRadius = currpos.squaredLength();
first = false;
}
else
{
min.makeFloor(currpos);
max.makeCeil(currpos);
maxSquaredRadius = std::max(maxSquaredRadius, currpos.squaredLength());
}
int boneIdx = msVertex_GetBoneIndex(pVertex);
if (boneIdx != -1)
{
foundBoneAssignment = true;
numbones = 1;
intbones[0] = intbones[1] = intbones[2] = -1;
intweight[0] = intweight[1] = intweight[2] = 0;
for(wh = 0; wh < 3; ++wh)
{
intbones[wh] = msVertexEx_GetBoneIndices(pVertexEx, wh);
if(intbones[wh] == -1)
break;
++numbones;
intweight[wh] = msVertexEx_GetBoneWeights(pVertexEx, wh);
} // for(k)
Ogre::VertexBoneAssignment vertAssign;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(numbones == 1)
{
vertAssign.weight = 1.0;
} // single assignment
else
{
vertAssign.weight=(Ogre::Real)intweight[0]/100.0;
}
ogreSubMesh->addBoneAssignment(vertAssign);
if(numbones > 1)
{
// this somewhat contorted logic is because the first weight [0] matches to the bone assignment
// located with pVertex. The next two weights [1][2] match up to the first two bones found
// with pVertexEx [0][1]. The weight for the fourth bone, if present, is the unassigned weight
for(wh = 0; wh < 3; wh++)
{
boneIdx = intbones[wh];
if(boneIdx == -1)
break;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(wh == 2)
{
// fourth weight is 1.0-(sumoffirstthreeweights)
vertAssign.weight = 1.0-(((Ogre::Real)intweight[0]/100.0)+
((Ogre::Real)intweight[1]/100.0)+((Ogre::Real)intweight[2]/100.0));
}
else
{
vertAssign.weight=(Ogre::Real)intweight[wh+1];
}
ogreSubMesh->addBoneAssignment(vertAssign);
} // for(k)
} // if(numbones)
}
}
pbuf->unlock();
float* pTex = static_cast<float*>(
tbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing uvs, normals and indexes (v2)...");
// Aargh, Milkshape uses stupid separate normal indexes for the same vertex like 3DS
// Normals aren't described per vertex but per triangle vertex index
// Pain in the arse, we have to do vertex duplication again if normals differ at a vertex (non smooth)
// WHY don't people realise this format is a pain for passing to 3D APIs in vertex buffers?
float* pNorm = static_cast<float*>(
nbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
ogreSubMesh->indexData->indexCount = msMesh_GetTriangleCount (pMesh) * 3;
// Always use 16-bit buffers, Milkshape can't handle more anyway
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT,
ogreSubMesh->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->indexData->indexBuffer = ibuf;
unsigned short *pIdx = static_cast<unsigned short*>(
ibuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (j = 0; j < ogreSubMesh->indexData->indexCount; j+=3)
{
msTriangle *pTriangle = msMesh_GetTriangleAt (pMesh, (int)j/3);
msTriangleEx *pTriangleEx=msMesh_GetTriangleExAt(pMesh, (int)j/3);
word nIndices[3];
msTriangle_GetVertexIndices (pTriangle, nIndices);
msVec3 Normal;
msVec2 uv;
int k, vertIdx;
for (k = 0; k < 3; ++k)
{
vertIdx = nIndices[k];
// Face index
pIdx[j+k] = vertIdx;
// Vertex normals
// For the moment, ignore any discrepancies per vertex
msTriangleEx_GetNormal(pTriangleEx, k, &Normal[0]);
msTriangleEx_GetTexCoord(pTriangleEx, k, &uv[0]);
pTex[(vertIdx*2)]=uv[0];
pTex[(vertIdx*2)+1]=uv[1];
pNorm[(vertIdx*3)] = Normal[0];
pNorm[(vertIdx*3)+1] = Normal[1];
pNorm[(vertIdx*3)+2] = Normal[2];
}
} // Faces
nbuf->unlock();
ibuf->unlock();
tbuf->unlock();
// Now use Ogre's ability to reorganise the vertex buffers the best way
Ogre::VertexDeclaration* newDecl =
ogreSubMesh->vertexData->vertexDeclaration->getAutoOrganisedDeclaration(
foundBoneAssignment, false);
Ogre::BufferUsageList bufferUsages;
for (size_t u = 0; u <= newDecl->getMaxSource(); ++u)
bufferUsages.push_back(Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->vertexData->reorganiseBuffers(newDecl, bufferUsages);
logMgr.logMessage("Geometry done.");
} // SubMesh
// Set bounds
ogreMesh->_setBoundingSphereRadius(Ogre::Math::Sqrt(maxSquaredRadius));
ogreMesh->_setBounds(Ogre::AxisAlignedBox(min, max), false);
// Keep hold of a Skeleton pointer for deletion later
// Mesh uses Skeleton pointer for skeleton name
Ogre::SkeletonPtr pSkel;
if (exportSkeleton && foundBoneAssignment)
{
// export skeleton, also update mesh to point to it
pSkel = doExportSkeleton(pModel, ogreMesh);
}
else if (!exportSkeleton && foundBoneAssignment)
{
// We've found bone assignments, but skeleton is not to be exported
// Prompt the user to find the skeleton
if (!locateSkeleton(ogreMesh))
return;
}
// Export
logMgr.logMessage("Creating MeshSerializer..");
Ogre::MeshSerializer serializer;
logMgr.logMessage("MeshSerializer created.");
// Generate LODs if required
if (generateLods)
{
// Build LOD depth list
Ogre::Mesh::LodDistanceList distList;
float depth = 0;
for (unsigned short depthidx = 0; depthidx < numLods; ++depthidx)
{
depth += lodDepthIncrement;
distList.push_back(depth);
}
ogreMesh->generateLodLevels(distList, lodReductionMethod, lodReductionAmount);
}
if (generateEdgeLists)
{
ogreMesh->buildEdgeList();
}
if (generateTangents)
{
unsigned short src, dest;
ogreMesh->suggestTangentVectorBuildParams(tangentSemantic, src, dest);
ogreMesh->buildTangentVectors(tangentSemantic, src, dest, tangentsSplitMirrored, tangentsSplitRotated, tangentsUseParity);
}
// Export
Ogre::String msg;
msg = "Exporting mesh data to file '" + Ogre::String(szFile) + "'";
logMgr.logMessage(msg);
serializer.exportMesh(ogreMesh.getPointer(), szFile);
logMgr.logMessage("Export successful");
Ogre::MeshManager::getSingleton().remove(ogreMesh->getHandle());
if (!pSkel.isNull())
Ogre::SkeletonManager::getSingleton().remove(pSkel->getHandle());
if (exportMaterials && msModel_GetMaterialCount(pModel) > 0)
{
doExportMaterials(pModel);
}
}
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 OgreMeshAsset::CreateKdTree()
{
meshData.Clear();
normals.clear();
uvs.clear();
subMeshTriangleCounts.clear();
for(unsigned short i = 0; i < ogreMesh->getNumSubMeshes(); ++i)
{
Ogre::SubMesh *submesh = ogreMesh->getSubMesh(i);
assert(submesh);
Ogre::VertexData *vertexData = submesh->useSharedVertices ? ogreMesh->sharedVertexData : submesh->vertexData;
assert(vertexData);
const Ogre::VertexElement *posElem = vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
if (!posElem)
{
subMeshTriangleCounts.push_back(0);
continue; // No position element. Ignore this submesh.
}
Ogre::HardwareVertexBufferSharedPtr vbufPos = vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char *pos = (unsigned char*)vbufPos->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
assert(pos);
size_t posOffset = posElem->getOffset();
size_t posSize = vbufPos->getVertexSize();
// Texcoord element is not mandatory
unsigned char *texCoord = 0;
size_t texOffset = 0;
size_t texSize = 0;
Ogre::HardwareVertexBufferSharedPtr vbufTex;
const Ogre::VertexElement *texElem = vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_TEXTURE_COORDINATES);
if (texElem)
{
vbufTex = vertexData->vertexBufferBinding->getBuffer(texElem->getSource());
// Check if the texcoord buffer is different than the position buffer, in that case lock it separately
if (vbufTex != vbufPos)
texCoord = static_cast<unsigned char*>(vbufTex->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
else
texCoord = pos;
texOffset = texElem->getOffset();
texSize = vbufTex->getVertexSize();
}
Ogre::IndexData *indexData = submesh->indexData;
Ogre::HardwareIndexBufferSharedPtr ibuf = indexData->indexBuffer;
u32 *pLong = (u32*)ibuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
u16 *pShort = (u16*)pLong;
const bool use32BitIndices = (ibuf->getType() == Ogre::HardwareIndexBuffer::IT_32BIT);
for(unsigned j = 0; j+2 < indexData->indexCount; j += 3)
{
unsigned i0, i1, i2;
if (use32BitIndices)
{
i0 = pLong[j];
i1 = pLong[j+1];
i2 = pLong[j+2];
}
else
{
i0 = pShort[j];
i1 = pShort[j+1];
i2 = pShort[j+2];
}
float3 v0 = *(float3*)(pos + posOffset + i0 * posSize);
float3 v1 = *(float3*)(pos + posOffset + i1 * posSize);
float3 v2 = *(float3*)(pos + posOffset + i2 * posSize);
Triangle t(v0, v1, v2);
meshData.AddObjects(&t, 1);
if (texElem)
{
uvs.push_back(*((float2*)(texCoord + texOffset + i0 * texSize)));
uvs.push_back(*((float2*)(texCoord + texOffset + i1 * texSize)));
uvs.push_back(*((float2*)(texCoord + texOffset + i2 * texSize)));
}
float3 edge1 = v1 - v0;
float3 edge2 = v2 - v0;
float3 normal = edge1.Cross(edge2);
normal.Normalize();
normals.push_back(normal);
}
subMeshTriangleCounts.push_back((int)(indexData->indexCount / 3));
vbufPos->unlock();
if (!vbufTex.isNull() && vbufTex != vbufPos)
vbufTex->unlock();
ibuf->unlock();
}
{
PROFILE(OgreMeshAsset_KdTree_Build);
meshData.Build();
}
}
GrassPatch::GrassPatch(int nb_blades, int nb_blade_segments, float width, float height, Ogre::SceneManager* ScnMgr)
{
int i, nb_particles;
// Create the particle field
nb_particles = nb_blades * (nb_blade_segments + 1);
m_Particles = new GrassParticleField(nb_particles, 1);
// Allocate the blade list
m_Blades = new Blade *[nb_blades];
m_NbBlades = nb_blades;
Ogre::Radian *angle = new Ogre::Radian(Ogre::Math::PI * ((rand()%1000) / 1000.0f));
// Create the blades of grass
for (i = 0; i < nb_blades; i++)
{
m_Blades[i] = new Blade(m_Particles,
i * (nb_blade_segments + 1),
nb_blade_segments,
4 + ((rand()%1000) / 1000.0f)*0.5f,
0.3f + ((rand()%1000) / 1000.0f)*0.1f,
width / 2 - ((rand()%1000) / 500.0f) * width,
height / 2 - ((rand()%1000) / 500.0f) * height,
*angle);
m_Blades[i]->moving = true;
m_Blades[i]->timeout = 0;
}
m_VertexCount = nb_blades * m_Blades[0]->GetStrippedVertexCount();
m_TriangleCount = ((nb_blade_segments - 1) << 1) + 1;
mvertexData = new Ogre::VertexData ();
// Vertex declaration
Ogre::VertexDeclaration* decl = mvertexData->vertexDeclaration;
Ogre::VertexBufferBinding* binding = mvertexData->vertexBufferBinding;
size_t offset = 0;
//position
decl->addElement (POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// normal here
decl->addElement(POSITION_BINDING, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// Diffuse Color
decl->addElement(POSITION_BINDING, offset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
// texture here
decl->addElement(POSITION_BINDING, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
//position updated each frame
Ogre::HardwareVertexBufferSharedPtr vbuf1 =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer (offset, // size of one whole vertex
m_VertexCount, // number of vertices
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY, // usage
false); // no shadow buffer
binding->setBinding(POSITION_BINDING, vbuf1);
Ogre::HardwareVertexBufferSharedPtr vVertices = binding->getBuffer(POSITION_BINDING);
Ogre::Real *pVertices = static_cast<Ogre::Real*>( vVertices->lock( Ogre::HardwareBuffer::HBL_DISCARD ) );
// Colour up the blades
for (i = 0; i < m_NbBlades; i++)
m_Blades[i]->Paint (i, pVertices);
vVertices->unlock();
// Index buffer to handle triangle strip vertex buffer as triangle list
// Create index buffer
int nIndexes = m_TriangleCount*3*m_NbBlades;
Ogre::HardwareIndexBufferSharedPtr iBuf =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer (Ogre::HardwareIndexBuffer::IT_32BIT,
nIndexes,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY,
false);
// Fill index buffer
unsigned int* pIdx = static_cast<unsigned int*> (iBuf->lock (Ogre::HardwareBuffer::HBL_DISCARD));
unsigned int j = 0;
for (i = 0; i < m_NbBlades; i++)
m_Blades[i]->UpdateIndexBuffer(&j, i, pIdx);
iBuf->unlock ();
mRenderOp.vertexData = mvertexData;
// mRenderOp.vertexData->vertexCount = m_VertexCount;
mRenderOp.vertexData->vertexCount= nIndexes;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.indexData = new Ogre::IndexData();
mRenderOp.indexData->indexBuffer = iBuf;
mRenderOp.indexData->indexCount = nIndexes;
mRenderOp.indexData->indexStart = 0;
mRenderOp.useIndexes = true;
mRenderOp.srcRenderable = this;
setMaterial ("Examples/Grass");
// setup radius the bounding box of this SimpleRenderable to big values to be sure to achieve drawing.
mRadius = 100;
setBoundingBox(Ogre::AxisAlignedBox(-300, -300, -300, 600, 600, 600));
}
void OgreMeshRay::GetMeshInformation(const Ogre::ManualObject* manual,
size_t& vertex_count, Ogre::Vector3*& vertices, size_t& index_count,
unsigned long*& indices, const Ogre::Vector3& position,
const Ogre::Quaternion& orient, const Ogre::Vector3& scale) {
std::vector<Ogre::Vector3> returnVertices;
std::vector<unsigned long> returnIndices;
unsigned long thisSectionStart = 0;
for (unsigned int i = 0, size = manual->getNumSections(); i < size; ++i) {
Ogre::ManualObject::ManualObjectSection* section = manual->getSection(
i);
Ogre::RenderOperation* renderOp = section->getRenderOperation();
std::vector<Ogre::Vector3> pushVertices;
//Collect the vertices
{
const Ogre::VertexElement* vertexElement =
renderOp->vertexData->vertexDeclaration->findElementBySemantic(
Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vertexBuffer =
renderOp->vertexData->vertexBufferBinding->getBuffer(
vertexElement->getSource());
char* verticesBuffer = static_cast<char*>(vertexBuffer->lock(
Ogre::HardwareBuffer::HBL_READ_ONLY));
float* positionArrayHolder;
thisSectionStart = returnVertices.size() + pushVertices.size();
pushVertices.reserve(renderOp->vertexData->vertexCount);
for (unsigned int j = 0; j < renderOp->vertexData->vertexCount;
++j) {
vertexElement->baseVertexPointerToElement(
verticesBuffer + j * vertexBuffer->getVertexSize(),
&positionArrayHolder);
Ogre::Vector3 vertexPos = Ogre::Vector3(positionArrayHolder[0],
positionArrayHolder[1], positionArrayHolder[2]);
vertexPos = (orient * (vertexPos * scale)) + position;
pushVertices.push_back(vertexPos);
}
vertexBuffer->unlock();
}
//Collect the indices
{
if (renderOp->useIndexes) {
Ogre::HardwareIndexBufferSharedPtr indexBuffer =
renderOp->indexData->indexBuffer;
if (indexBuffer.isNull()
|| renderOp->operationType
!= Ogre::RenderOperation::OT_TRIANGLE_LIST) {
//No triangles here, so we just drop the collected vertices and move along to the next section.
continue;
} else {
returnVertices.reserve(
returnVertices.size() + pushVertices.size());
returnVertices.insert(returnVertices.end(),
pushVertices.begin(), pushVertices.end());
}
unsigned int* pLong =
static_cast<unsigned int*>(indexBuffer->lock(
Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned short* pShort =
reinterpret_cast<unsigned short*>(pLong);
returnIndices.reserve(
returnIndices.size() + renderOp->indexData->indexCount);
for (size_t j = 0; j < renderOp->indexData->indexCount; ++j) {
unsigned long index;
//We also have got to remember that for a multi section object, each section has
//different vertices, so the indices will not be correct. To correct this, we
//have to add the position of the first vertex in this section to the index
//(At least I think so...)
if (indexBuffer->getType()
== Ogre::HardwareIndexBuffer::IT_32BIT)
index = static_cast<unsigned long>(pLong[j])
+ thisSectionStart;
else
index = static_cast<unsigned long>(pShort[j])
+ thisSectionStart;
returnIndices.push_back(index);
}
indexBuffer->unlock();
}
}
}
//Now we simply return the data.
index_count = returnIndices.size();
vertex_count = returnVertices.size();
vertices = new Ogre::Vector3[vertex_count];
for (unsigned long i = 0; i < vertex_count; ++i)
vertices[i] = returnVertices[i];
indices = new unsigned long[index_count];
for (unsigned long i = 0; i < index_count; ++i)
indices[i] = returnIndices[i];
//All done.
return;
}
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 GeometryFactory::generateSphericDome (const Ogre::String &name, int segments, DomeType type) {
// Return now if already exists
if (Ogre::MeshManager::getSingleton ().resourceExists (name)) {
return;
}
Ogre::LogManager::getSingleton ().logMessage (
"Caelum: Creating " + name + " sphere mesh resource...");
// Use the mesh manager to create the mesh
Ogre::MeshPtr msh = Ogre::MeshManager::getSingleton ().createManual (name, RESOURCE_GROUP_NAME);
// Create a submesh
Ogre::SubMesh *sub = msh->createSubMesh ();
// Create the shared vertex data
Ogre::VertexData *vertexData = new Ogre::VertexData ();
msh->sharedVertexData = vertexData;
// Define the vertices' format
Ogre::VertexDeclaration *vertexDecl = vertexData->vertexDeclaration;
size_t currOffset = 0;
// Position
vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT3);
// Normal
vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT3);
// Texture coordinates
vertexDecl->addElement (0, currOffset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
currOffset += Ogre::VertexElement::getTypeSize (Ogre::VET_FLOAT2);
// Allocate the vertex buffer
switch (type) {
case DT_GRADIENTS:
vertexData->vertexCount = segments * (segments - 1) + 2;
break;
case DT_STARFIELD:
vertexData->vertexCount = (segments + 1) * (segments + 1);
break;
};
Ogre::HardwareVertexBufferSharedPtr vBuf = Ogre::HardwareBufferManager::getSingleton ().createVertexBuffer (vertexDecl->getVertexSize (0), vertexData->vertexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
Ogre::VertexBufferBinding *binding = vertexData->vertexBufferBinding;
binding->setBinding (0, vBuf);
float *pVertex = static_cast<float *>(vBuf->lock (Ogre::HardwareBuffer::HBL_DISCARD));
// Allocate the index buffer
switch (type) {
case DT_GRADIENTS:
sub->indexData->indexCount = 2 * segments * (segments - 1) * 3;
break;
case DT_STARFIELD:
sub->indexData->indexCount = 2 * (segments - 1) * segments * 3;
break;
};
sub->indexData->indexBuffer = Ogre::HardwareBufferManager::getSingleton ().createIndexBuffer (Ogre::HardwareIndexBuffer::IT_16BIT, sub->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
Ogre::HardwareIndexBufferSharedPtr iBuf = sub->indexData->indexBuffer;
unsigned short *pIndices = static_cast<unsigned short *>(iBuf->lock (Ogre::HardwareBuffer::HBL_DISCARD));
// Fill the buffers
switch (type) {
case DT_GRADIENTS:
fillGradientsDomeBuffers (pVertex, pIndices, segments);
break;
case DT_STARFIELD:
fillStarfieldDomeBuffers (pVertex, pIndices, segments);
break;
};
// Close the vertex buffer
vBuf->unlock ();
// Close the index buffer
iBuf->unlock ();
// Finishing it...
sub->useSharedVertices = true;
msh->_setBounds (Ogre::AxisAlignedBox (-1, -1, -1, 1, 1, 1), false);
msh->_setBoundingSphereRadius (1);
msh->load ();
Ogre::LogManager::getSingleton ().logMessage (
"Caelum: generateSphericDome DONE");
}
bool Terrain::createTerrain()
{
if(mMainViewport == NULL)
mMainViewport = Core::getSingleton().mCamera->getViewport();
Ogre::CompositorManager::getSingleton().addCompositor(mMainViewport, "DemoCompositor");
Ogre::CompositorManager::getSingleton().setCompositorEnabled(mMainViewport, "DemoCompositor", true);
mMapData = MapDataManager::getSingletonPtr();
DataLibrary* datalib = DataLibrary::getSingletonPtr();
int terrainszie = mMapData->getMapSize() + 2 * MAPBOLDER + 1;
Core::getSingleton().mSceneMgr->setSkyBox(true, "SkyBox",200);
Ogre::GpuSharedParametersPtr sharedparams = Ogre::GpuProgramManager::getSingleton().getSharedParameters("TestSharedParamsName");
float border = mMapData->getMapSize() * 12.0f;
sharedparams->setNamedConstant("border", border);
//创建灯光
Core::getSingleton().mSceneMgr->setAmbientLight(Ogre::ColourValue(0.5f, 0.5f, 0.5f));
mLight = Core::getSingleton().mSceneMgr->createLight("TerrainLight");
mLight->setType(Ogre::Light::LT_DIRECTIONAL);
mLight->setPosition(-500.0f,500.0f, 500.0f);
mLight->setDirection(1.0f, -1.0f, -1.0f);
mLight->setDiffuseColour(Ogre::ColourValue(0.5f, 0.5f,0.5f));
mLight->setSpecularColour(Ogre::ColourValue(0.8f, 0.8f,0.8f));
//设置深度图投影
Ogre::TexturePtr tex = Ogre::TextureManager::getSingleton().getByName("shadowdepthmap");
if(tex.isNull())
tex = Ogre::TextureManager::getSingleton().createManual("shadowdepthmap",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, 2048, 2048, 0, Ogre::PF_FLOAT16_R, Ogre::TU_RENDERTARGET);
mShadowDepthMapTarget = tex->getBuffer()->getRenderTarget();
Ogre::Viewport* vp = mShadowDepthMapTarget->addViewport(CameraContral::getSingleton().getShadowMapCamera());
vp->setSkiesEnabled(false);
vp->setOverlaysEnabled(false);
vp->setVisibilityMask(VISMASK_OPAQUE);
vp->setMaterialScheme("WriteDepthMap");
vp->setBackgroundColour(Ogre::ColourValue(1.0f,1.0f,1.0f));
mShadowDepthMapTarget->addListener(this);
//弱爆了……
Ogre::MaterialPtr mat;
mat = Ogre::MaterialManager::getSingleton().getByName("TerrainTile");
Ogre::AliasTextureNamePairList texAliasList;
std::string texname;
datalib->getData("GameData/BattleData/MapData/Ground/G0Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
datalib->getData("GameData/BattleData/MapData/Ground/G1Tex",texname);
texAliasList.insert(std::make_pair("Diffuse1",texname));
datalib->getData("GameData/BattleData/MapData/Ground/G2Tex",texname);
texAliasList.insert(std::make_pair("Diffuse2",texname));
datalib->getData("GameData/BattleData/MapData/Ground/G3Tex",texname);
texAliasList.insert(std::make_pair("Diffuse3",texname));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("CliffMat1");
datalib->getData("GameData/BattleData/MapData/Ground/G0Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("CliffMat2");
datalib->getData("GameData/BattleData/MapData/Ground/G1Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("CliffMat3");
datalib->getData("GameData/BattleData/MapData/Ground/G2Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("CliffMat4");
datalib->getData("GameData/BattleData/MapData/Ground/G3Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("BankMat1");
datalib->getData("GameData/BattleData/MapData/Ground/G0Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("BankMat2");
datalib->getData("GameData/BattleData/MapData/Ground/G1Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("BankMat3");
datalib->getData("GameData/BattleData/MapData/Ground/G2Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
mat = Ogre::MaterialManager::getSingleton().getByName("BankMat4");
datalib->getData("GameData/BattleData/MapData/Ground/G3Tex",texname);
texAliasList.insert(std::make_pair("Diffuse",texname));
texAliasList.insert(std::make_pair("Diffuse1","Cliff.tga"));
mat->applyTextureAliases(texAliasList);
texAliasList.clear();
//创建地面Mesh
mTerrainNode = Core::getSingleton().mSceneMgr->getRootSceneNode()->createChildSceneNode("TerrainNode");
int numVertices = terrainszie * terrainszie * VERTEX_QUAD;
int numIndex = terrainszie * terrainszie * VERTEX_PREQUAD;
Ogre::MeshPtr mTerrainMesh = Ogre::MeshManager::getSingleton().createManual("TerrianMesh",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
Ogre::SubMesh* subMesh = mTerrainMesh->createSubMesh();
subMesh->useSharedVertices=false;
subMesh->setMaterialName("TerrainTile");
// 创建顶点数据结构
subMesh->vertexData = new Ogre::VertexData();
subMesh->vertexData->vertexStart = 0;
subMesh->vertexData->vertexCount = numVertices;
//顶点声明与缓冲区绑定
Ogre::VertexDeclaration* vdecl = subMesh->vertexData->vertexDeclaration;
Ogre::VertexBufferBinding* vbind = subMesh->vertexData->vertexBufferBinding;
//设置顶点数据结构
size_t offsetUV = 0;
vdecl->addElement(VERTEX_POS_BINDING, 0, Ogre::VET_FLOAT3,Ogre::VES_POSITION);//向顶点添加一个位置元素
vdecl->addElement(VERTEX_NOM_BINDING, 0, Ogre::VET_FLOAT3,Ogre::VES_NORMAL);
for(int i = 0 ; i < TEXTURE_COUNT ; i ++)
{
offsetUV += vdecl->addElement (VERTEX_UV_BINDING, offsetUV, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES , i).getSize();
}
// 创建世界坐标顶点缓冲区
Ogre::HardwareVertexBufferSharedPtr vbufPos =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
vdecl->getVertexSize(VERTEX_POS_BINDING),
numVertices,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
vbind->setBinding(VERTEX_POS_BINDING, vbufPos);
Ogre::HardwareVertexBufferSharedPtr vbufNOM =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
vdecl->getVertexSize(VERTEX_NOM_BINDING),
numVertices,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
vbind->setBinding(VERTEX_NOM_BINDING, vbufNOM);
// 创建纹理坐标顶点缓冲区
Ogre::HardwareVertexBufferSharedPtr vbufUV =
Ogre::HardwareBufferManager::getSingleton().createVertexBuffer(
vdecl->getVertexSize(VERTEX_UV_BINDING),
numVertices,
Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
vbind->setBinding(VERTEX_UV_BINDING, vbufUV);
// 创建索引缓冲区
Ogre::HardwareIndexBufferSharedPtr indexBuffer =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
Ogre::HardwareIndexBuffer::IT_16BIT ,
numIndex,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
//创建地形
float* pBufferPos = (float*)vbufPos->lock(Ogre::HardwareBuffer::HBL_DISCARD);
float* pBufferUV = (float*)vbufUV->lock(Ogre::HardwareBuffer::HBL_DISCARD);
float* pBufferNom = (float*)vbufNOM->lock(Ogre::HardwareBuffer::HBL_DISCARD);
float startpos = - terrainszie * TILESIZE / 2;
for(int y = 0 ; y < terrainszie; y ++)
{
for(int x = 0 ; x < terrainszie; x ++)
{
createTile(x, y, startpos + x * TILESIZE, startpos + y * TILESIZE, pBufferPos, pBufferUV, pBufferNom);
pBufferPos += 3 * VERTEX_QUAD ;
pBufferNom += 3 * VERTEX_QUAD ;
pBufferUV += 2 * VERTEX_QUAD * 4;
}
}
vbufNOM->unlock();
vbufUV->unlock();
vbufPos->unlock();
//写入索引信息
// 锁定索引缓冲区
Ogre::ushort* pIdx = (Ogre::ushort*)indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD);
for(int y = 0 ; y < terrainszie ; y ++)
{
for(int x = 0 ; x < terrainszie ; x ++)
{
Ogre::ushort iIndexTopLeft = (x + y * terrainszie) * VERTEX_QUAD;
Ogre::ushort iIndexTopRight = iIndexTopLeft + 1;
Ogre::ushort iIndexBottomLeft = iIndexTopLeft + 2;
Ogre::ushort iIndexBottomRight = iIndexTopLeft + 3;
*pIdx++ = iIndexBottomLeft;
*pIdx++ = iIndexBottomRight;
*pIdx++ = iIndexTopLeft;
*pIdx++ = iIndexBottomRight;
*pIdx++ = iIndexTopRight;
*pIdx++ = iIndexTopLeft;
}
}
indexBuffer->unlock();
//设置模型的的索引数据
subMesh->indexData->indexBuffer = indexBuffer;
subMesh->indexData->indexStart = 0;
subMesh->indexData->indexCount =numIndex;
Ogre::AxisAlignedBox meshBounds(startpos,0,startpos,
-startpos,5,-startpos);
mTerrainMesh->_setBounds(meshBounds);
mTerrainEntity = Core::getSingleton().mSceneMgr->createEntity("TerrianMesh");
mTerrainNode->attachObject(mTerrainEntity);
mTerrainEntity->setQueryFlags(QUERYMASK_TERRAIN);
mTerrainNode->setPosition(0,0,0);
//创建水面
tex = Ogre::TextureManager::getSingleton().getByName("reflection");
if(tex.isNull())
tex = Ogre::TextureManager::getSingleton().createManual("reflection",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, 512, 512, 0, Ogre::PF_R8G8B8, Ogre::TU_RENDERTARGET);
mReflectionTarget = tex->getBuffer()->getRenderTarget();
mReflectionTarget->addViewport(Core::getSingleton().mCamera)->setOverlaysEnabled(false);
mReflectionTarget->addListener(this);
// mat = Ogre::MaterialManager::getSingleton().getByName("ReflectionWater");
// tech = mat->getTechnique(0);
// pass = tech->getPass(0);
// tu = pass->getTextureUnitState(1);
// tu->setTextureName(tex->getName());
mWaterPlane = Ogre::Plane(Ogre::Vector3::UNIT_Y, WATERHEIGHT);
mWaterNode = Core::getSingleton().mSceneMgr->getRootSceneNode()->createChildSceneNode("WaterNode");
mWaterObject = Core::getSingleton().mSceneMgr->createManualObject("WaterObject");
mWaterObject->begin("DemoWater",Ogre::RenderOperation::OT_TRIANGLE_LIST);
startpos += TILESIZE/2;
for(int y = 0; y < terrainszie; y++)
for(int x = 0; x < terrainszie; x++)
{
if(mMapData->getTerrainType(x -MAPBOLDER, y -MAPBOLDER ) == Water)
{
mWaterObject->position(startpos + x * TILESIZE, 0.0f, startpos + y * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(0.0f,0.0f);
mWaterObject->position(startpos + (x+1) * TILESIZE, 0.0f, startpos + (y+1) * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(1.0f,1.0f);
mWaterObject->position(startpos + (x+1) * TILESIZE, 0.0f, startpos + y * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(1.0f,0.0f);
mWaterObject->position(startpos + (x+1) * TILESIZE, 0.0f, startpos + (y+1) * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(1.0f,1.0f);
mWaterObject->position(startpos + x * TILESIZE, 0.0f, startpos + y * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(0.0f,0.0f);
mWaterObject->position(startpos + x * TILESIZE, 0.0f, startpos + (y+1) * TILESIZE);
mWaterObject->colour(1.0f,1.0f,1.0f);
mWaterObject->normal(0.0f,1.0f,0.0f);
mWaterObject->textureCoord(0.0f,1.0f);
}
}
mWaterObject->end();
mWaterNode->attachObject(mWaterObject);
mWaterNode->setPosition(0,WATERHEIGHT,0);
//设置摄像机移动范围
float minx = 0.0f;// = ( - (float)(terrainszie - 2 * MAPBOLDER) / 2.0f - 1.0f) * TILESIZE ;
getWorldCoords(0,0,minx,minx);
minx -= TILESIZE/2;
CameraContral::getSingleton().setMoveRect(minx, minx);
CameraContral::getSingleton().resetCamera();
//深度投影测试
// Ogre::MeshManager::getSingleton().createPlane("testplane", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
// mWaterPlane, 64, 64, 1, 1, true, 1, 1, 1, Ogre::Vector3::UNIT_Z);
// Ogre::Entity* testent = Core::getSingleton().mSceneMgr->createEntity("testplaneent", "testplane");
// testent->setMaterialName("DepthTest");
// Ogre::SceneNode* testnode = Core::getSingleton().mSceneMgr->getRootSceneNode()->createChildSceneNode();
// testnode->attachObject(testent);
// testnode->setPosition(0.0f,10.0f,0.0f);
return true;
}