本文整理汇总了C++中HardwareVertexBufferSharedPtr::writeData方法的典型用法代码示例。如果您正苦于以下问题：C++ HardwareVertexBufferSharedPtr::writeData方法的具体用法？C++ HardwareVertexBufferSharedPtr::writeData怎么用？C++ HardwareVertexBufferSharedPtr::writeData使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类HardwareVertexBufferSharedPtr的用法示例。
在下文中一共展示了HardwareVertexBufferSharedPtr::writeData方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: createQuad
void GeomUtils::createQuad(VertexData*& vertexData)
{
assert(vertexData);
vertexData->vertexCount = 4;
vertexData->vertexStart = 0;
VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
VertexBufferBinding* bind = vertexData->vertexBufferBinding;
vertexDecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
vertexDecl->getVertexSize(0),
vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Bind buffer
bind->setBinding(0, vbuf);
// Upload data
float data[]={
-1,1,-1, // corner 1
-1,-1,-1, // corner 2
1,1,-1, // corner 3
1,-1,-1}; // corner 4
vbuf->writeData(0, sizeof(data), data, true);
}示例2: fillHardwareBuffers
void NxLine::fillHardwareBuffers()
{
int size = mPoints.size();
prepareHardwareBuffers(size,0, mUseVertexColour);
if (!size)
{
mBox.setExtents(Vector3::ZERO,Vector3::ZERO);
mDirty=false;
return;
}
Nx::Vector3 vaabMin = mPoints[0];
Nx::Vector3 vaabMax = mPoints[0];
HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Real *prPos = static_cast<Real*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
{
for(int i = 0; i < size; i++)
{
*prPos++ = mPoints[i].x;
*prPos++ = mPoints[i].y;
*prPos++ = mPoints[i].z;
if(mPoints[i].x < vaabMin.x)
vaabMin.x = mPoints[i].x;
if(mPoints[i].y < vaabMin.y)
vaabMin.y = mPoints[i].y;
if(mPoints[i].z < vaabMin.z)
vaabMin.z = mPoints[i].z;
if(mPoints[i].x > vaabMax.x)
vaabMax.x = mPoints[i].x;
if(mPoints[i].y > vaabMax.y)
vaabMax.y = mPoints[i].y;
if(mPoints[i].z > vaabMax.z)
vaabMax.z = mPoints[i].z;
}
}
vbuf->unlock();
if( mUseVertexColour ) {
HardwareVertexBufferSharedPtr cbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(1);
cbuf->writeData(0, size * sizeof(unsigned int), &mPointsColor[0], true );
}
mBox.setExtents( NxVec3ToOgre( vaabMin ), NxVec3ToOgre( vaabMax ) );
mDirty = false;
}示例3: SetTextureCoordinates
void NxTriangles::SetTextureCoordinates( const float * Coordinates )
{
HardwareVertexBufferSharedPtr cbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(2);
cbuf->writeData(0, cbuf->getNumVertices() * sizeof(float) * (mUVW ? 3 : 2), Coordinates, true );
}示例4: createPlane
//---------------------------------------------------------------------
void PrefabFactory::createPlane(Mesh* mesh)
{
SubMesh* sub = mesh->createSubMesh();
float vertices[32] = {
-100, -100, 0, // pos
0,0,1, // normal
0,1, // texcoord
100, -100, 0,
0,0,1,
1,1,
100, 100, 0,
0,0,1,
1,0,
-100, 100, 0 ,
0,0,1,
0,0
};
mesh->sharedVertexData = OGRE_NEW VertexData();
mesh->sharedVertexData->vertexCount = 4;
VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding;
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
offset += VertexElement::getTypeSize(VET_FLOAT2);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, 4, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
bind->setBinding(0, vbuf);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
sub->useSharedVertices = true;
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
6,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
unsigned short faces[6] = {0,1,2,
0,2,3 };
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = 6;
sub->indexData->indexStart =0;
ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
mesh->_setBounds(AxisAlignedBox(-100,-100,0,100,100,0), true);
mesh->_setBoundingSphereRadius(Math::Sqrt(100*100+100*100));
}示例5: _updateColors
void MovableText::_updateColors(void)
{
assert(mpFont);
assert(!mpMaterial.isNull());
// Convert to system-specific
RGBA color;
Root::getSingleton().convertColourValue(mColor, &color);
HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(COLOUR_BINDING);
//RGBA *pDest = static_cast<RGBA*>(vbuf->lock(HardwareBuffer::HBL_NORMAL));
RGBA* pDest=(RGBA*)malloc(vbuf->getSizeInBytes());
RGBA* oDest=pDest;
for (uint i = 0; i < mRenderOp.vertexData->vertexCount; ++i)
*pDest++ = color;
//vbuf->unlock();
vbuf->writeData(0, vbuf->getSizeInBytes(), oDest, true);
free(oDest);
mUpdateColors = false;
}示例6: updateColours
void ColoredTextAreaOverlayElement::updateColours(void)
{
if(!mRenderOp.vertexData) return;
// Convert to system-specific
RGBA topColour, bottomColour;
// Set default to white
Root::getSingleton().convertColourValue(ColourValue::White, &topColour);
Root::getSingleton().convertColourValue(ColourValue::White, &bottomColour);
HardwareVertexBufferSharedPtr vbuf =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(COLOUR_BINDING);
//RGBA* pDest = static_cast<RGBA*>(
// vbuf->lock(HardwareBuffer::HBL_NORMAL) );
RGBA* pDest=(RGBA*)malloc(vbuf->getSizeInBytes());
RGBA* oDest=pDest;
for (size_t i = 0; i < mAllocSize; ++i)
{
if (i < m_Colors.size())
{
Root::getSingleton().convertColourValue(GetColor(m_Colors[i], m_ValueTop), &topColour);
Root::getSingleton().convertColourValue(GetColor(m_Colors[i], m_ValueBottom), &bottomColour);
}
// First tri (top, bottom, top)
*pDest++ = topColour;
*pDest++ = bottomColour;
*pDest++ = topColour;
// Second tri (top, bottom, bottom)
*pDest++ = topColour;
*pDest++ = bottomColour;
*pDest++ = bottomColour;
}
vbuf->writeData(0, vbuf->getSizeInBytes(), oDest, true);
free(oDest);
//vbuf->unlock();
}示例7: createOgreSubMesh
// Convert Nif::NiTriShape to Ogre::SubMesh, attached to the given
// mesh.
void NIFLoader::createOgreSubMesh(NiTriShape *shape, const String &material, std::list<VertexBoneAssignment> &vertexBoneAssignments)
{
// cout << "s:" << shape << "\n";
NiTriShapeData *data = shape->data.getPtr();
SubMesh *sub = mesh->createSubMesh(shape->name.toString());
int nextBuf = 0;
// This function is just one long stream of Ogre-barf, but it works
// great.
// Add vertices
int numVerts = data->vertices.length / 3;
sub->vertexData = new VertexData();
sub->vertexData->vertexCount = numVerts;
sub->useSharedVertices = false;
VertexDeclaration *decl = sub->vertexData->vertexDeclaration;
decl->addElement(nextBuf, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_FLOAT3),
numVerts, HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY, false);
if(flip)
{
float *datamod = new float[data->vertices.length];
//std::cout << "Shape" << shape->name.toString() << "\n";
for(int i = 0; i < numVerts; i++)
{
int index = i * 3;
const float *pos = data->vertices.ptr + index;
Ogre::Vector3 original = Ogre::Vector3(*pos ,*(pos+1), *(pos+2));
original = mTransform * original;
mBoundingBox.merge(original);
datamod[index] = original.x;
datamod[index+1] = original.y;
datamod[index+2] = original.z;
}
vbuf->writeData(0, vbuf->getSizeInBytes(), datamod, false);
delete [] datamod;
}
else
{
vbuf->writeData(0, vbuf->getSizeInBytes(), data->vertices.ptr, false);
}
VertexBufferBinding* bind = sub->vertexData->vertexBufferBinding;
bind->setBinding(nextBuf++, vbuf);
if (data->normals.length)
{
decl->addElement(nextBuf, 0, VET_FLOAT3, VES_NORMAL);
vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_FLOAT3),
numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
if(flip)
{
Quaternion rotation = mTransform.extractQuaternion();
rotation.normalise();
float *datamod = new float[data->normals.length];
for(int i = 0; i < numVerts; i++)
{
int index = i * 3;
const float *pos = data->normals.ptr + index;
Ogre::Vector3 original = Ogre::Vector3(*pos ,*(pos+1), *(pos+2));
original = rotation * original;
if (mNormaliseNormals)
{
original.normalise();
}
datamod[index] = original.x;
datamod[index+1] = original.y;
datamod[index+2] = original.z;
}
vbuf->writeData(0, vbuf->getSizeInBytes(), datamod, false);
delete [] datamod;
}
else
{
vbuf->writeData(0, vbuf->getSizeInBytes(), data->normals.ptr, false);
}
bind->setBinding(nextBuf++, vbuf);
}
// Vertex colors
if (data->colors.length)
{
const float *colors = data->colors.ptr;
RenderSystem* rs = Root::getSingleton().getRenderSystem();
std::vector<RGBA> colorsRGB(numVerts);
//.........这里部分代码省略.........
示例8: sqrt
void BasicTutorial2::createColourCube()
{
/// Create the mesh via the MeshManager
Ogre::MeshPtr msh = MeshManager::getSingleton().createManual("ColourCube", "General");
/// Create one submesh
SubMesh* sub = msh->createSubMesh();
const float sqrt13 = 0.577350269f; /* sqrt(1/3) */
/// Define the vertices (8 vertices, each have 3 floats for position and 3 for normal)
const size_t nVertices = 8;
const size_t vbufCount = 3*2*nVertices;
float vertices[vbufCount] = {
-100.0,100.0,-100.0, //0 position
-sqrt13,sqrt13,-sqrt13, //0 normal
100.0,100.0,-100.0, //1 position
sqrt13,sqrt13,-sqrt13, //1 normal
100.0,-100.0,-100.0, //2 position
sqrt13,-sqrt13,-sqrt13, //2 normal
-100.0,-100.0,-100.0, //3 position
-sqrt13,-sqrt13,-sqrt13, //3 normal
-100.0,100.0,100.0, //4 position
-sqrt13,sqrt13,sqrt13, //4 normal
100.0,100.0,100.0, //5 position
sqrt13,sqrt13,sqrt13, //5 normal
100.0,-100.0,100.0, //6 position
sqrt13,-sqrt13,sqrt13, //6 normal
-100.0,-100.0,100.0, //7 position
-sqrt13,-sqrt13,sqrt13, //7 normal
};
RenderSystem* rs = Root::getSingleton().getRenderSystem();
RGBA colours[nVertices];
RGBA *pColour = colours;
// Use render system to convert colour value since colour packing varies
rs->convertColourValue(ColourValue(1.0,0.0,0.0), pColour++); //0 colour
rs->convertColourValue(ColourValue(1.0,1.0,0.0), pColour++); //1 colour
rs->convertColourValue(ColourValue(0.0,1.0,0.0), pColour++); //2 colour
rs->convertColourValue(ColourValue(0.0,0.0,0.0), pColour++); //3 colour
rs->convertColourValue(ColourValue(1.0,0.0,1.0), pColour++); //4 colour
rs->convertColourValue(ColourValue(1.0,1.0,1.0), pColour++); //5 colour
rs->convertColourValue(ColourValue(0.0,1.0,1.0), pColour++); //6 colour
rs->convertColourValue(ColourValue(0.0,0.0,1.0), pColour++); //7 colour
/// Define 12 triangles (two triangles per cube face)
/// The values in this table refer to vertices in the above table
const size_t ibufCount = 36;
unsigned short faces[ibufCount] = {
0,2,3,
0,1,2,
1,6,2,
1,5,6,
4,6,5,
4,7,6,
0,7,4,
0,3,7,
0,5,1,
0,4,5,
2,7,3,
2,6,7
};
/// Create vertex data structure for 8 vertices shared between submeshes
msh->sharedVertexData = new VertexData();
msh->sharedVertexData->vertexCount = nVertices;
/// Create declaration (memory format) of vertex data
VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
// 1st buffer
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
// 2nd buffer
offset = 0;
decl->addElement(1, offset, VET_COLOUR, VES_DIFFUSE);
offset += VertexElement::getTypeSize(VET_COLOUR);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), colours, true);
/// Set vertex buffer binding so buffer 1 is bound to our colour buffer
bind->setBinding(1, vbuf);
//.........这里部分代码省略.........
示例9: createCube
//.........这里部分代码省略.........
1,1,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
1,0,0,
1,0,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE,
1,0,0,
0,0,
// up side
-CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,1,0,
0,1,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,1,0,
1,1,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,1,0,
1,0,
-CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,1,0,
0,0,
// down side
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,-1,0,
0,1,
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,-1,0,
1,1,
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,-1,0,
1,0,
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,-1,0,
0,0
};
mesh->sharedVertexData = OGRE_NEW VertexData();
mesh->sharedVertexData->vertexCount = NUM_VERTICES;
VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding;
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
offset += VertexElement::getTypeSize(VET_FLOAT2);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, NUM_VERTICES, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
bind->setBinding(0, vbuf);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
sub->useSharedVertices = true;
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
NUM_INDICES,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
unsigned short faces[NUM_INDICES] = {
// front
0,1,2,
0,2,3,
// back
4,5,6,
4,6,7,
// left
8,9,10,
8,10,11,
// right
12,13,14,
12,14,15,
// up
16,17,18,
16,18,19,
// down
20,21,22,
20,22,23
};
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = NUM_INDICES;
sub->indexData->indexStart = 0;
ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
mesh->_setBounds(AxisAlignedBox(-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE), true);
mesh->_setBoundingSphereRadius(CUBE_HALF_SIZE);
}示例10: initialise
void VolumeRenderable::initialise()
{
// Create geometry
size_t nvertices = mSlices*4; // n+1 planes
size_t elemsize = 3*3;
size_t dsize = elemsize*nvertices;
size_t x;
Ogre::IndexData *idata = new Ogre::IndexData();
Ogre::VertexData *vdata = new Ogre::VertexData();
// Create structures
float *vertices = new float[dsize];
float coords[4][2] = {
{0.0f, 0.0f},
{0.0f, 1.0f},
{1.0f, 0.0f},
{1.0f, 1.0f}
};
for(x=0; x<mSlices; x++)
{
for(size_t y=0; y<4; y++)
{
float xcoord = coords[y][0]-0.5;
float ycoord = coords[y][1]-0.5;
float zcoord = -((float)x/(float)(mSlices-1) - 0.5f);
// 1.0f .. a/(a+1)
// coordinate
vertices[x*4*elemsize+y*elemsize+0] = xcoord*(mSize/2.0f);
vertices[x*4*elemsize+y*elemsize+1] = ycoord*(mSize/2.0f);
vertices[x*4*elemsize+y*elemsize+2] = zcoord*(mSize/2.0f);
// normal
vertices[x*4*elemsize+y*elemsize+3] = 0.0f;
vertices[x*4*elemsize+y*elemsize+4] = 0.0f;
vertices[x*4*elemsize+y*elemsize+5] = 1.0f;
// tex
vertices[x*4*elemsize+y*elemsize+6] = xcoord*sqrtf(3.0f);
vertices[x*4*elemsize+y*elemsize+7] = ycoord*sqrtf(3.0f);
vertices[x*4*elemsize+y*elemsize+8] = zcoord*sqrtf(3.0f);
}
}
unsigned short *faces = new unsigned short[mSlices*6];
for(x=0; x<mSlices; x++)
{
faces[x*6+0] = x*4+0;
faces[x*6+1] = x*4+1;
faces[x*6+2] = x*4+2;
faces[x*6+3] = x*4+1;
faces[x*6+4] = x*4+2;
faces[x*6+5] = x*4+3;
}
// Setup buffers
vdata->vertexStart = 0;
vdata->vertexCount = nvertices;
VertexDeclaration* decl = vdata->vertexDeclaration;
VertexBufferBinding* bind = vdata->vertexBufferBinding;
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_TEXTURE_COORDINATES);
offset += VertexElement::getTypeSize(VET_FLOAT3);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, nvertices, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
bind->setBinding(0, vbuf);
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
mSlices*6,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
idata->indexBuffer = ibuf;
idata->indexCount = mSlices*6;
idata->indexStart = 0;
ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
// Delete temporary buffers
delete [] vertices;
delete [] faces;
// Now make the render operation
mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.indexData = idata;
mRenderOp.vertexData = vdata;
mRenderOp.useIndexes = true;
// Create a brand new private material
MaterialPtr material =
MaterialManager::getSingleton().create(mTexture, "VolumeRenderable",
false, 0); // Manual, loader
//.........这里部分代码省略.........
示例11: updateVertexData
//------------------------------------------------------------------------
void TerrainBatch::updateVertexData( const Ogre::Rect& vertexRectInTile )
{
Vector3 center = mBoundingBox.getCenter();
Ogre::Rect dirtyRect = mVertexRectInTile.intersect( vertexRectInTile );
if ( mGpuVertexData && (dirtyRect.isNull() == false) )
{
mOneVertexSize = mTileRender->getOneVertexSize();
////////////////////////////////////////////////////////////////////////////////
Ogre::VertexData* tileVertexData = mTileRender->getCpuVertexData();
uint16 srcPosRowSkip = 0;
unsigned char * srcRootPosBuf = 0;
unsigned char * srcRowPosBuf = 0;
HardwareVertexBufferSharedPtr srcPosbuf = tileVertexData->vertexBufferBinding->getBuffer(TerrainTileRender::POSITION_BUFFER);
long destOffsetX = dirtyRect.left <= mVertexRectInTile.left ? 0 : (dirtyRect.left - mVertexRectInTile.left) ;
long destOffsetY = dirtyRect.top <= mVertexRectInTile.top ? 0 : (dirtyRect.top - mVertexRectInTile.top) ;
uint16 destPosRowSkip = 0;
size_t destRowPos = 0;
HardwareVertexBufferSharedPtr destPosbuf = mGpuVertexData->vertexBufferBinding->getBuffer(TerrainTileRender::POSITION_BUFFER);
if (!srcPosbuf.isNull() && !destPosbuf.isNull())
{
srcPosRowSkip = mTileRender->getVertexSideSize() * mOneVertexSize;
srcRootPosBuf = static_cast<unsigned char*>(srcPosbuf->lock(HardwareBuffer::HBL_READ_ONLY));
// skip src buffer in by left/top
srcRowPosBuf = srcRootPosBuf;
srcRowPosBuf += dirtyRect.top * srcPosRowSkip + dirtyRect.left * mOneVertexSize;
destPosRowSkip = mVertexSideNum * mOneVertexSize;
// skip dest pos in by left/top
destRowPos = destOffsetY * destPosRowSkip + destOffsetX * mOneVertexSize;
///////////////////////////////////////////////////////////////////////////////////////
{
size_t destRowHeadPos = destRowPos;
size_t rowCopyLen = (dirtyRect.width() + 1) * mOneVertexSize;
for (uint16 y = dirtyRect.top; y <= dirtyRect.bottom; y ++)
{
destPosbuf->writeData( destRowHeadPos, rowCopyLen, srcRowPosBuf );
srcRowPosBuf += srcPosRowSkip;
destRowHeadPos += destPosRowSkip;
}
}
///////////////////////////////////////////////////////////////////////////////////////
//{
// unsigned char * pRootPosBuf = static_cast<unsigned char*>(destPosbuf->lock( HardwareBuffer::HBL_NORMAL ));
// {
// pRootPosBuf += destRowPos;
// unsigned char * destRowHeadPos = pRootPosBuf;
// unsigned char * destRowPixelPos = pRootPosBuf;
// for (uint16 y = dirtyRect.top; y <= dirtyRect.bottom; y ++)
// {
// destRowPixelPos = destRowHeadPos;
// for (uint16 x = dirtyRect.left; x <= dirtyRect.right; x ++)
// {
// float* pPosBuf = static_cast<float*>(static_cast<void*>(destRowPixelPos));
// if (pPosBuf)
// {
// //position
// *pPosBuf++ = *pPosBuf - center.x;
// *pPosBuf++;
// *pPosBuf++ = *pPosBuf - center.z;
// }
// destRowPixelPos += mOneVertexSize;
// }
// destRowHeadPos += destPosRowSkip;
// }
// }
// destPosbuf->unlock();
//}
///////////////////////////////////////////////////////////////////////////////////////
srcPosbuf->unlock();
//destPosbuf->unlock();
}
}
}示例12: createVertexData
Ogre::VertexData* MeshBuilder::createVertexData()
{
// Declarations
std::map<unsigned short, std::vector<tElement> >::iterator iterSource, iterSourceEnd;
std::vector<tVertex>::iterator iterVertex, iterVertexEnd;
HardwareVertexBufferSharedPtr vbuffer;
float fBuffer[4];
// Create the vertex data
VertexData* pVertexData = new VertexData();
pVertexData->vertexStart = 0;
pVertexData->vertexCount = m_currentSubMesh.vertices.size();
// Initializes the vertex declaration
for (iterSource = m_currentSubMesh.verticesElements.begin(), iterSourceEnd = m_currentSubMesh.verticesElements.end();
iterSource != iterSourceEnd; ++iterSource)
{
size_t offset = 0;
std::vector<tElement>::iterator iter, iterEnd;
for (iter = iterSource->second.begin(), iterEnd = iterSource->second.end();
iter != iterEnd; ++iter)
{
pVertexData->vertexDeclaration->addElement(iterSource->first, offset, iter->type, iter->semantic, iter->usIndex);
offset += VertexElement::getTypeSize(iter->type);
}
vbuffer = HardwareBufferManager::getSingleton().createVertexBuffer(offset, m_currentSubMesh.vertices.size(),
m_currentSubMesh.vertexBufferInfos[iterSource->first].usage,
m_currentSubMesh.vertexBufferInfos[iterSource->first].bUseShadowBuffer);
pVertexData->vertexBufferBinding->setBinding(iterSource->first, vbuffer);
}
// Add the vertices into their buffers
VertexBufferBinding::VertexBufferBindingMap bindings = pVertexData->vertexBufferBinding->getBindings();
for (iterSource = m_currentSubMesh.verticesElements.begin(), iterSourceEnd = m_currentSubMesh.verticesElements.end();
iterSource != iterSourceEnd; ++iterSource)
{
vbuffer = bindings[iterSource->first];
size_t offset = 0;
unsigned int vertexIndex = 0;
for (iterVertex = m_currentSubMesh.vertices.begin(), iterVertexEnd = m_currentSubMesh.vertices.end();
iterVertex != iterVertexEnd; ++iterVertex)
{
std::vector<tElement>::iterator iter, iterEnd;
for (iter = iterSource->second.begin(), iterEnd = iterSource->second.end();
iter != iterEnd; ++iter)
{
switch (iter->semantic)
{
case Ogre::VES_POSITION:
fBuffer[0] = iterVertex->position.x;
fBuffer[1] = iterVertex->position.y;
fBuffer[2] = iterVertex->position.z;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
case Ogre::VES_NORMAL:
fBuffer[0] = iterVertex->normal.x;
fBuffer[1] = iterVertex->normal.y;
fBuffer[2] = iterVertex->normal.z;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
case Ogre::VES_BINORMAL:
fBuffer[0] = iterVertex->binormal.x;
fBuffer[1] = iterVertex->binormal.y;
fBuffer[2] = iterVertex->binormal.z;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
case Ogre::VES_TANGENT:
fBuffer[0] = iterVertex->tangent.x;
fBuffer[1] = iterVertex->tangent.y;
fBuffer[2] = iterVertex->tangent.z;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
case Ogre::VES_DIFFUSE:
fBuffer[0] = iterVertex->diffuseColour.a;
fBuffer[1] = iterVertex->diffuseColour.r;
fBuffer[2] = iterVertex->diffuseColour.g;
fBuffer[3] = iterVertex->diffuseColour.b;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
case Ogre::VES_SPECULAR:
fBuffer[0] = iterVertex->specularColour.a;
fBuffer[1] = iterVertex->specularColour.r;
fBuffer[2] = iterVertex->specularColour.g;
fBuffer[3] = iterVertex->specularColour.b;
vbuffer->writeData(offset, VertexElement::getTypeSize(iter->type), fBuffer);
break;
//.........这里部分代码省略.........
示例13: sizeof
void Road2::createMesh()
{
AxisAlignedBox aab;
union
{
float* vertices;
CoVertice_t* covertices;
};
/// Create the mesh via the MeshManager
Ogre::String mesh_name = Ogre::String("RoadSystem-").append(Ogre::StringConverter::toString(mid));
msh = MeshManager::getSingleton().createManual(mesh_name, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mainsub = msh->createSubMesh();
mainsub->setMaterialName("road2");
/// Define the vertices
size_t vbufCount = (2 * 3 + 2) * vertexcount;
vertices = (float*)malloc(vbufCount * sizeof(float));
int i;
//fill values
for (i = 0; i < vertexcount; i++)
{
covertices[i].texcoord = tex[i];
covertices[i].vertex = vertex[i];
//normals are computed later
covertices[i].normal = Vector3::ZERO;
aab.merge(vertex[i]);
}
/// Define triangles
size_t ibufCount = 3 * tricount;
//compute normals
for (i = 0; i < tricount && i * 3 + 2 < MAX_TRIS * 3; i++)
{
Vector3 v1, v2;
v1 = covertices[tris[i * 3 + 1]].vertex - covertices[tris[i * 3]].vertex;
v2 = covertices[tris[i * 3 + 2]].vertex - covertices[tris[i * 3]].vertex;
v1 = v1.crossProduct(v2);
v1.normalise();
covertices[tris[i * 3]].normal += v1;
covertices[tris[i * 3 + 1]].normal += v1;
covertices[tris[i * 3 + 2]].normal += v1;
}
//normalize
for (i = 0; i < vertexcount; i++)
{
covertices[i].normal.normalise();
}
/// Create vertex data structure for vertices shared between sub meshes
msh->sharedVertexData = new VertexData();
msh->sharedVertexData->vertexCount = vertexcount;
/// Create declaration (memory format) of vertex data
VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
offset += VertexElement::getTypeSize(VET_FLOAT2);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
//for the face
/// Allocate index buffer of the requested number of vertices (ibufCount)
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
ibufCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the index data to the card
ibuf->writeData(0, ibuf->getSizeInBytes(), tris, true);
/// Set parameters of the submesh
mainsub->useSharedVertices = true;
mainsub->indexData->indexBuffer = ibuf;
mainsub->indexData->indexCount = ibufCount;
mainsub->indexData->indexStart = 0;
msh->_setBounds(aab, true);
/// Notify Mesh object that it has been loaded
msh->load();
free(vertices);
//.........这里部分代码省略.........
示例14: VertexData
Airbrake::Airbrake(char* basename, int num, node_t *ndref, node_t *ndx, node_t *ndy, node_t *nda, Vector3 pos, float width, float length, float maxang, char* texname, float tx1, float ty1, float tx2, float ty2, float lift_coef)
{
snode=0;
noderef=ndref;
nodex=ndx;
nodey=ndy;
nodea=nda;
offset=pos;
maxangle=maxang;
area=width*length*lift_coef;
char meshname[256];
sprintf(meshname, "airbrakemesh-%s-%i", basename, num);
/// Create the mesh via the MeshManager
msh = MeshManager::getSingleton().createManual(meshname, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
union
{
float *vertices;
CoVertice_t *covertices;
};
/// Create submesh
SubMesh* sub = msh->createSubMesh();
//materials
sub->setMaterialName(texname);
/// Define the vertices
size_t nVertices = 4;
size_t vbufCount = (2*3+2)*nVertices;
vertices=(float*)malloc(vbufCount*sizeof(float));
//textures coordinates
covertices[0].texcoord=Vector2(tx1, ty1);
covertices[1].texcoord=Vector2(tx2, ty1);
covertices[2].texcoord=Vector2(tx2, ty2);
covertices[3].texcoord=Vector2(tx1, ty2);
/// Define triangles
/// The values in this table refer to vertices in the above table
size_t ibufCount = 3*4;
unsigned short *faces=(unsigned short*)malloc(ibufCount*sizeof(unsigned short));
faces[0]=0; faces[1]=1; faces[2]=2;
faces[3]=0; faces[4]=2; faces[5]=3;
faces[6]=0; faces[7]=2; faces[8]=1;
faces[9]=0; faces[10]=3; faces[11]=2;
//set coords
covertices[0].vertex=Vector3(0,0,0);
covertices[1].vertex=Vector3(width,0,0);
covertices[2].vertex=Vector3(width,0,length);
covertices[3].vertex=Vector3(0,0,length);
covertices[0].normal=Vector3(0,1,0);
covertices[1].normal=Vector3(0,1,0);
covertices[2].normal=Vector3(0,1,0);
covertices[3].normal=Vector3(0,1,0);
/// Create vertex data structure for vertices shared between submeshes
msh->sharedVertexData = new VertexData();
msh->sharedVertexData->vertexCount = nVertices;
/// Create declaration (memory format) of vertex data
VertexDeclaration* decl = msh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
// decl->addElement(0, offset, VET_FLOAT3, VES_DIFFUSE);
// offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
offset += VertexElement::getTypeSize(VET_FLOAT2);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, msh->sharedVertexData->vertexCount, HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
VertexBufferBinding* bind = msh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
/// Allocate index buffer of the requested number of vertices (ibufCount)
HardwareIndexBufferSharedPtr faceibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
ibufCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the index data to the card
faceibuf->writeData(0, faceibuf->getSizeInBytes(), faces, true);
/// Set parameters of the submesh
sub->useSharedVertices = true;
sub->indexData->indexBuffer = faceibuf;
//.........这里部分代码省略.........
示例15: createOgreMesh
// Convert Nif::NiTriShape to Ogre::SubMesh, attached to the given
// mesh.
static void createOgreMesh(Mesh *mesh, NiTriShape *shape, const String &material)
{
NiTriShapeData *data = shape->data.getPtr();
SubMesh *sub = mesh->createSubMesh(shape->name.toString());
int nextBuf = 0;
// This function is just one long stream of Ogre-barf, but it works
// great.
// Add vertices
int numVerts = data->vertices.length / 3;
sub->vertexData = new VertexData();
sub->vertexData->vertexCount = numVerts;
sub->useSharedVertices = false;
VertexDeclaration *decl = sub->vertexData->vertexDeclaration;
decl->addElement(nextBuf, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_FLOAT3),
numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), data->vertices.ptr, true);
VertexBufferBinding* bind = sub->vertexData->vertexBufferBinding;
bind->setBinding(nextBuf++, vbuf);
// Vertex normals
if(data->normals.length)
{
decl->addElement(nextBuf, 0, VET_FLOAT3, VES_NORMAL);
vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_FLOAT3),
numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), data->normals.ptr, true);
bind->setBinding(nextBuf++, vbuf);
}
// Vertex colors
if(data->colors.length)
{
const float *colors = data->colors.ptr;
RenderSystem* rs = Root::getSingleton().getRenderSystem();
std::vector<RGBA> colorsRGB(numVerts);
RGBA *pColour = &colorsRGB.front();
for(int i=0; i<numVerts; i++)
{
rs->convertColourValue(ColourValue(colors[0],colors[1],colors[2],
colors[3]),pColour++);
colors += 4;
}
decl->addElement(nextBuf, 0, VET_COLOUR, VES_DIFFUSE);
vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_COLOUR),
numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), &colorsRGB.front(), true);
bind->setBinding(nextBuf++, vbuf);
}
// Texture UV coordinates
if(data->uvlist.length)
{
decl->addElement(nextBuf, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);
vbuf = HardwareBufferManager::getSingleton().createVertexBuffer(
VertexElement::getTypeSize(VET_FLOAT2),
numVerts, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
vbuf->writeData(0, vbuf->getSizeInBytes(), data->uvlist.ptr, true);
bind->setBinding(nextBuf++, vbuf);
}
// Triangle faces
int numFaces = data->triangles.length;
if(numFaces)
{
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(HardwareIndexBuffer::IT_16BIT,
numFaces,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ibuf->writeData(0, ibuf->getSizeInBytes(), data->triangles.ptr, true);
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = numFaces;
sub->indexData->indexStart = 0;
}
// Set material if one was given
if(!material.empty()) sub->setMaterialName(material);
/* Old commented D code. Might be useful when reimplementing
animation.
// Assign this submesh to the given bone
VertexBoneAssignment v;
v.boneIndex = ((Bone*)bone)->getHandle();
v.weight = 1.0;
std::cerr << "+ Assigning bone index " << v.boneIndex << "\n";
for(int i=0; i < numVerts; i++)
{
v.vertexIndex = i;
//.........这里部分代码省略.........