void FrameGraphRenderable::fillHardwareBuffers()
{
Ogre::HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Ogre::Real *vertices = static_cast<Ogre::Real*>(vbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));
Ogre::HardwareVertexBufferSharedPtr vcbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(1);
Ogre::RGBA* pColours = static_cast<Ogre::RGBA*>(vcbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));
Ogre::RenderSystem* rs = Ogre::Root::getSingleton().getRenderSystem();
uint16_t index = 0;
for (uint16_t i = 0; i < mNumFrames; i++) {
float x = i * mLineSpace - 1.0f;
// OgreTime line
vertices[index + 0] = x;
vertices[index + 1] = -1;
vertices[index + 2] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(1.0f, 0.0f, 0.0f), pColours++); // Color
vertices[index + 3] = x;
vertices[index + 4] = -1;
vertices[index + 5] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(1.0f, 0.0f, 0.0f), pColours++); // Color
// BulletTime line
vertices[index + 6] = x;
vertices[index + 7] = -1;
vertices[index + 8] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(0.0f, 1.0f, 0.0f), pColours++); // Color
vertices[index + 9] = x;
vertices[index + 10] = -1;
vertices[index + 11] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(0.0f, 1.0f, 0.0f), pColours++); // Color
// WorldTime line
vertices[index + 12] = x;
vertices[index + 13] = -1;
vertices[index + 14] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(0.0f, 0.0f, 1.0f), pColours++); // Color
vertices[index + 15] = x;
vertices[index + 16] = -1;
vertices[index + 17] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(0.0f, 0.0f, 1.0f), pColours++); // Color
// UnknownTime line
vertices[index + 18] = x;
vertices[index + 19] = -1;
vertices[index + 20] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(1.0f, 1.0f, 1.0f), pColours++); // Color
vertices[index + 21] = x;
vertices[index + 22] = -1;
vertices[index + 23] = 0; // Vertex
rs->convertColourValue(Ogre::ColourValue(1.0f, 1.0f, 1.0f), pColours++); // Color
index += ValuesPerGraphLine;
}
vcbuf->unlock();
vbuf->unlock();
mBox.setInfinite();
}
void CDynamicLineDrawer::FillHardwareBuffers()
{
int Size = int(Points.size());
PrepareHardwareBuffers(Size);
if (!Size) {
mBox.setExtents( Ogre::Vector3::ZERO, Ogre::Vector3::ZERO );
Dirty = false;
return;
}
Ogre::Vector3 AABMin = Points[0];
Ogre::Vector3 AABMax = Points[0];
Ogre::HardwareVertexBufferSharedPtr VBuf =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Ogre::HardwareVertexBufferSharedPtr CBuf =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(1);
// get rendersystem to pack colours
Ogre::RenderSystem* RS = Ogre::Root::getSingleton().getRenderSystem();
Ogre::Real* VPrPos = static_cast<Ogre::Real*>(VBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
Ogre::RGBA* CPrPos = static_cast<Ogre::RGBA*>(CBuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for(int i = 0; i < Size; i++)
{
*VPrPos++ = Points[i].x;
*VPrPos++ = Points[i].y;
*VPrPos++ = Points[i].z;
Ogre::RGBA color;
RS->convertColourValue(Colours[i], &color);
*CPrPos++ = color;
//*CPrPos++ = unsigned int(Colours[i].g);
//*CPrPos++ = unsigned int(Colours[i].b);
if(Points[i].x < AABMin.x)
AABMin.x = Points[i].x;
if(Points[i].y < AABMin.y)
AABMin.y = Points[i].y;
if(Points[i].z < AABMin.z)
AABMin.z = Points[i].z;
if(Points[i].x > AABMax.x)
AABMax.x = Points[i].x;
if(Points[i].y > AABMax.y)
AABMax.y = Points[i].y;
if(Points[i].z > AABMax.z)
AABMax.z = Points[i].z;
}
VBuf->unlock();
CBuf->unlock();
mBox.setExtents(AABMin, AABMax);
Dirty = false;
}
void FrameGraphRenderable::drawGraphLine(TimeGraphLine& line, uint16_t graphLine)
{
Ogre::Real ogreTop, bulletTop, worldTop, unknownTop;
ogreTop = (line.ogre / mCurrentScaling);
bulletTop = ogreTop + (line.bullet / mCurrentScaling);
worldTop = bulletTop + (line.world / mCurrentScaling);
unknownTop = worldTop + (line.unknown / mCurrentScaling);
ogreTop = ogreTop * 2 - 1.0f;
bulletTop = bulletTop * 2 - 1.0f;
worldTop = worldTop * 2 - 1.0f;
unknownTop = unknownTop * 2 - 1.0f;
Ogre::HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Ogre::Real *vertices = static_cast<Ogre::Real*>(vbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));
vertices += graphLine * ValuesPerGraphLine;
// Set the ogre line top vertex
vertices[ 4] = ogreTop;
// Set the bullet line vertices
vertices[ 7] = ogreTop;
vertices[10] = bulletTop;
// Set the world line vertices
vertices[13] = bulletTop;
vertices[16] = worldTop;
// Set the unknown line vertices
vertices[19] = worldTop;
vertices[22] = unknownTop;
vbuf->unlock();
}
void processPositionElement( VertexData* vertexData, const VertexElement* vertexElem )
{
int nMaxVert= vertexData->vertexCount ;
//const Ogre::VertexElement* VertexEle_POS = vertexData->vertexDeclaration->findElementBySemantic( Ogre::VES_POSITION );
// get vertex buffer info via the input element
Ogre::HardwareVertexBufferSharedPtr VertexBufPOS = vertexData->vertexBufferBinding->getBuffer( vertexElem->getSource() );
//LOCK BUFFER
unsigned char* VertexPtrPOS = static_cast<unsigned char*>( VertexBufPOS->lock( Ogre::HardwareBuffer::HBL_NORMAL) );
int VertSizePOS=VertexBufPOS->getVertexSize();
float * pElementPOS=NULL;
//A vector of every vertices position
std::vector<Ogre::Vector3> positions(nMaxVert);
//Copy each position into position vector
for(int nVert=0 ; nVert<nMaxVert ; nVert++)
{
vertexElem->baseVertexPointerToElement( VertexPtrPOS, &pElementPOS );
Ogre::Vector3 vertex(pElementPOS);
vertex = mTransform * vertex;
pElementPOS[0] = vertex.x;
pElementPOS[1] = vertex.y;
pElementPOS[2] = vertex.z;
mBoundingBox.merge(vertex);
VertexPtrPOS+=VertSizePOS ;
}
//UNLOCK BUFFER
if(VertexBufPOS->isLocked()){VertexBufPOS->unlock();}
}
void Selection2D::setCorners(Ogre::Real left, Ogre::Real top, Ogre::Real right, Ogre::Real bottom, bool updateAABB)
{
Ogre::HardwareVertexBufferSharedPtr vbuf =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
float* pFloat = static_cast<float*>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
*pFloat++ = left;
*pFloat++ = top;
*pFloat++ = -1;
*pFloat++ = left;
*pFloat++ = bottom;
*pFloat++ = -1;
*pFloat++ = right;
*pFloat++ = bottom;
*pFloat++ = -1;
*pFloat++ = right;
*pFloat++ = top;
*pFloat++ = -1;
*pFloat++ = left;
*pFloat++ = top;
*pFloat++ = -1;
vbuf->unlock();
if(updateAABB)
{
mBox.setExtents(
std::min(left, right), std::min(top, bottom), 0,
std::max(left, right), std::max(top, bottom), 0);
}
}
void FrameGraphRenderable::redrawGraph()
{
Ogre::Real ogreTop, bulletTop, worldTop, unknownTop;
Ogre::HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Ogre::Real *vertices = static_cast<Ogre::Real*>(vbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));
for (size_t i = 0; i < mNumFrames; i++) {
ogreTop = (mlastTimes[i].ogre / mCurrentScaling);
bulletTop = ogreTop + (mlastTimes[i].bullet / mCurrentScaling);
worldTop = bulletTop + (mlastTimes[i].world / mCurrentScaling);
unknownTop = worldTop + (mlastTimes[i].unknown / mCurrentScaling);
ogreTop = ogreTop * 2 - 1.0f;
bulletTop = bulletTop * 2 - 1.0f;
worldTop = worldTop * 2 - 1.0f;
unknownTop = unknownTop * 2 - 1.0f;
// Set the ogre line top vertex
vertices[ 4] = ogreTop;
// Set the bullet line vertices
vertices[ 7] = ogreTop;
vertices[10] = bulletTop;
// Set the world line vertices
vertices[13] = bulletTop;
vertices[16] = worldTop;
// Set the unknown line vertices
vertices[19] = worldTop;
vertices[22] = unknownTop;
vertices += ValuesPerGraphLine;
}
vbuf->unlock();
}
void DynamicLines::fillHardwareBuffers()
{
unsigned int size = (unsigned int)mPoints.size();
prepareHardwareBuffers(size, 0);
if(!size)
{
mBox.setExtents(Ogre::Vector3::ZERO, Ogre::Vector3::ZERO);
mDirty = false;
return;
}
Ogre::Vector3 vaabMin = mPoints[0];
Ogre::Vector3 vaabMax = mPoints[0];
Ogre::HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
Ogre::Real *prPos = static_cast<Ogre::Real *>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
{
for(unsigned int i = 0; i < size; i++)
{
*prPos++ = mPoints[i].x;
*prPos++ = mPoints[i].y;
*prPos++ = mPoints[i].z;
if(!mUse2D)
{
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(mUse2D)
mBox.setInfinite();
else
mBox.setExtents(vaabMin, vaabMax);
mDirty = false;
}
void
TerrainTileEditable::_notifyHeightModified(int xstart, int zstart, int xend, int zend)
{
assert(0 <= xstart && xstart < xend && xend <= mXSize+1);
assert(0 <= zstart && zstart < zend && zend <= mZSize+1);
if (mVertexDatas.empty())
{
// Nothing todo when buffer never initialised
return;
}
// TODO: (optimization) some grid may be need to recompute normal only
TerrainData* data = mOwner->getData();
Ogre::HardwareVertexBufferSharedPtr posNormBuffer = mVertexDatas.front()->vertexBufferBinding->getBuffer(0);
float* pPosNormBuffer = static_cast<float*>(posNormBuffer->lock(Ogre::HardwareBuffer::HBL_NORMAL));
float buffer[6];
int xsize = mXSize;
int zsize = mZSize;
int xbase = mXBase;
int zbase = mZBase;
for (int z = zstart; z < zend; ++z)
{
for (int x = xstart; x < xend; ++x)
{
Ogre::Vector3 v;
v = data->_getPosition(x+xbase, z+zbase);
buffer[0] = v.x; buffer[1] = v.y; buffer[2] = v.z;
v = data->_getNormal(x+xbase, z+zbase);
buffer[3] = v.x; buffer[4] = v.y; buffer[5] = v.z;
if (0 < z)
{
if (0 < x)
memcpy(pPosNormBuffer + (((z-1) * xsize + (x-1)) * 4 + 3) * 6, buffer, 6*sizeof(float));
if (x < xsize)
memcpy(pPosNormBuffer + (((z-1) * xsize + (x-0)) * 4 + 2) * 6, buffer, 6*sizeof(float));
}
if (z < zsize)
{
if (0 < x)
memcpy(pPosNormBuffer + (((z-0) * xsize + (x-1)) * 4 + 1) * 6, buffer, 6*sizeof(float));
if (x < xsize)
memcpy(pPosNormBuffer + (((z-0) * xsize + (x-0)) * 4 + 0) * 6, buffer, 6*sizeof(float));
}
}
}
posNormBuffer->unlock();
// re-compue bounding box
data->_computeTileBoundingBox(mBounds, xbase, zbase, xsize, zsize);
// trigger update of bounding box
getParentNode()->needUpdate();
}
void GrassPatch::Update(const Ogre::Vector3 &sphere_center, float sphere_radius, Ogre::Real t)
{
int i;
static bool inited = false;
Ogre::Vector3 delta;
float length;
int end=0;
Ogre::Vector3 a, b;
float radius=sphere_radius*sphere_radius*2.2;
// Update the particle field
m_Particles->Step(0.001f); // use of t ?
Ogre::HardwareVertexBufferSharedPtr vVertices = mRenderOp.vertexData->vertexBufferBinding->getBuffer(POSITION_BINDING);
Ogre::Real *pVertices = static_cast<Ogre::Real*>( vVertices->lock(
//Ogre::HardwareBuffer::HBL_DISCARD
Ogre::HardwareBuffer::HBL_NORMAL
) );
// Upload new blade positions
if(!inited)
{
for (i = 0; i < m_NbBlades; i++)
{
m_Blades[i]->Constrain(sphere_center, sphere_radius);
m_Particles->GetGrassParticle(i).ClearForce();
m_Blades[i]->UpdateVertexBuffer(i, pVertices);
}
inited=true;
vVertices->unlock();
}
else
{
for (i = 0; i < m_NbBlades; i++)
{
m_Blades[i]-> GetPosition(a);
delta = a - sphere_center;
length = delta.x * delta.x + delta.y * delta.y+ delta.z*delta.z;
if ((m_Blades[i]->moving)||(length-radius<0))
{
m_Blades[i]->Constrain(sphere_center, sphere_radius);
m_Particles->GetGrassParticle(i).ClearForce();
m_Blades[i]->UpdateVertexBuffer(i, pVertices);
end++;
}
}
vVertices->unlock();
}
int ttt = sprintf(iterations, "Iterations: %d ", end);
end=0;
}
void ImGuiInterface::RenderDrawLists(ImDrawList** const cmdLists, int cmdListsCount)
{
// Assume render system is configured according to InterfaceManager::_configureRenderSystem
mRenderSystem->_setWorldMatrix(Ogre::Matrix4::IDENTITY);
// For each command list
for (int i = 0; i < cmdListsCount; i++)
{
ImVector<ImDrawCmd>& commands = cmdLists[i]->commands;
// Allocate more space if needed
if (mSize < cmdLists[i]->vtx_buffer.size())
{
mSize = cmdLists[i]->vtx_buffer.size();
AllocateVertexBuffer(mSize);
}
// Copy vertices into VB
Ogre::HardwareVertexBufferSharedPtr vb =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
ImDrawVert* vertices = static_cast<ImDrawVert*>(
vb->lock(0, vb->getSizeInBytes(), Ogre::HardwareBuffer::HBL_DISCARD));
memcpy(vertices, &cmdLists[i]->vtx_buffer[0], cmdLists[i]->vtx_buffer.size() * sizeof(ImDrawVert));
vb->unlock();
// Execute draw calls
int offset = 0;
for (auto c : commands)
{
mRenderSystem->setScissorTest(true, c.clip_rect.x, c.clip_rect.y, c.clip_rect.z, c.clip_rect.w);
// Set texture
if (c.texture_id)
{
ImguiTextureHandle* handle = reinterpret_cast<ImguiTextureHandle*>(c.texture_id);
mRenderSystem->_setTexture(0, true, handle->texturePtr);
mRenderSystem->_setTextureBlendMode(0, mAlphaBlendMode);
}
else
{
mRenderSystem->_disableTextureUnit(0);
}
// Draw vertices
mRenderOp.vertexData->vertexStart = offset;
mRenderOp.vertexData->vertexCount = c.vtx_count;
mRenderSystem->_render(mRenderOp);
offset += c.vtx_count;
}
}
mRenderSystem->setScissorTest(false);
}
//------------------------------------------------------------------------------------------------
void DynamicLines::fillHardwareBuffers()
{
int size = m_Points.size();
prepareHardwareBuffers(size,0);
if (!size) {
mBox.setExtents(Vec3::ZERO,Vec3::ZERO);
m_bDirty=false;
return;
}
Vec3 vaabMin = m_Points[0];
Vec3 vaabMax = m_Points[0];
Ogre::HardwareVertexBufferSharedPtr vbuf =
mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
real *prPos = static_cast<real*>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
{
for(int i = 0; i < size; i++)
{
*prPos++ = m_Points[i].x;
*prPos++ = m_Points[i].y;
*prPos++ = m_Points[i].z;
if(m_Points[i].x < vaabMin.x)
vaabMin.x = m_Points[i].x;
if(m_Points[i].y < vaabMin.y)
vaabMin.y = m_Points[i].y;
if(m_Points[i].z < vaabMin.z)
vaabMin.z = m_Points[i].z;
if(m_Points[i].x > vaabMax.x)
vaabMax.x = m_Points[i].x;
if(m_Points[i].y > vaabMax.y)
vaabMax.y = m_Points[i].y;
if(m_Points[i].z > vaabMax.z)
vaabMax.z = m_Points[i].z;
}
}
vbuf->unlock();
mBox.setExtents(vaabMin, vaabMax);
m_bDirty = false;
}
//------------------------------------------------------------------------------------------------
void VertexIndexToShape::addStaticVertexData(const Ogre::VertexData *vertex_data)
{
if (!vertex_data)
{
return;
}
const Ogre::VertexData *data = vertex_data;
const unsigned int prev_size = mVertexCount;
mVertexCount += (unsigned int)data->vertexCount;
Ogre::Vector3 *tmp_vert = new Ogre::Vector3[mVertexCount];
if (mVertexBuffer)
{
memcpy(tmp_vert, mVertexBuffer, sizeof(Ogre::Vector3) * prev_size);
delete[] mVertexBuffer;
}
mVertexBuffer = tmp_vert;
// Get the positional buffer element
{
const Ogre::VertexElement *posElem = data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuf = data->vertexBufferBinding->getBuffer(posElem->getSource());
const unsigned int vSize = (unsigned int)vbuf->getVertexSize();
unsigned char *vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
float *pReal = NULL;
Ogre::Vector3 * curVertices = &mVertexBuffer[prev_size];
const unsigned int vertexCount = (unsigned int)data->vertexCount;
for (unsigned int j = 0; j < vertexCount; ++j)
{
posElem->baseVertexPointerToElement(vertex, &pReal);
vertex += vSize;
curVertices->x = (*pReal++);
curVertices->y = (*pReal++);
curVertices->z = (*pReal++);
*curVertices = mTransform * (*curVertices);
curVertices++;
}
vbuf->unlock();
}
}
//-------------------------------------------------------
// http://www.ogre3d.org/tikiwiki/Raycasting+to+the+polygon+level
std::pair<bool, float> Ground::GetVertexIntersection(const Ogre::Ray & ray, const Ogre::SubMesh* subMesh)
{
OgreAssert(false == subMesh->useSharedVertices, "Mesh with shared data is not supported");
const Ogre::VertexElement* posElem = subMesh->vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
Ogre::HardwareVertexBufferSharedPtr vbuffer = subMesh->vertexData->vertexBufferBinding->getBuffer(posElem->getSource());
unsigned char* vertexes = reinterpret_cast<unsigned char*>(vbuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
size_t count = subMesh->vertexData->vertexCount;
float intersection = -1.0f;
OgreAssert(count == REGION_SIZE * REGION_SIZE * 4, "Wrong buffer size");
float* pReal;
for (size_t i = 0; i < REGION_SIZE * REGION_SIZE; ++i)
{
Ogre::Vector3 v0, v1, v2, v3;
for (auto vp : { &v0, &v1, &v2, &v3 })
{
posElem->baseVertexPointerToElement(vertexes, &pReal);
*vp = Ogre::Vector3(pReal[0], pReal[1], pReal[2]);
vertexes += vbuffer->getVertexSize();
}
auto hit1 = Ogre::Math::intersects(ray, v1, v2, v0, true, false);
if (hit1.first && (intersection < 0.0f || hit1.second < intersection))
{
intersection = hit1.second;
}
auto hit2 = Ogre::Math::intersects(ray, v3, v2, v1, true, false);
if (hit2.first && (intersection < 0.0f || hit2.second < intersection))
{
intersection = hit2.second;
}
}
vbuffer->unlock();
if (intersection >= 0.0f)
{
return std::make_pair(true, intersection);
}
return std::make_pair(false, -1.0f);
}
void VertexBuffer::AddFromVertexData(Ogre::VertexData* vertexData)
{
// Get vertex count
const unsigned int addedCount = vertexData->vertexCount;
if(_reserved < _size + addedCount)
{
Reserve(_size + addedCount);
}
// Get VertexElement with info on used vertex semantics
const Ogre::VertexElement* vertexElement =
vertexData->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
// Get actual vertex buffer and its size
Ogre::HardwareVertexBufferSharedPtr hardwareBuffer =
vertexData->vertexBufferBinding->getBuffer(vertexElement->getSource());
const unsigned int vertexSize = (unsigned int)hardwareBuffer->getVertexSize();
// Lock buffer with read-only to retrieve vertex data
unsigned char* buffer = static_cast<unsigned char*>(
hardwareBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
// Pointer to one component of vertex vector
float *curVertexData = NULL;
for (unsigned int j = 0; j < addedCount; ++j)
{
vertexElement->baseVertexPointerToElement(buffer, &curVertexData);
buffer += vertexSize;
_buffer.push_back(Ogre::Vector3(
*curVertexData,
*(curVertexData+1) ,
*(curVertexData+2)));
curVertexData += 3;
}
_size = _buffer.size();
hardwareBuffer->unlock();
}
void
TerrainTileEditable::fillLayerBuffer(size_t layer, const Ogre::HardwareVertexBufferSharedPtr& buffer)
{
float* pFloat = static_cast<float*>(buffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
const TerrainData* data = mOwner->getData();
int xbase = mXBase;
int zbase = mZBase;
int xsize = mXSize;
int zsize = mZSize;
for (int z = 0; z < zsize; ++z)
{
for (int x = 0; x < xsize; ++x)
{
size_t grid = (zbase + z) * data->mXSize + (xbase + x);
const TerrainData::GridInfo& gridInfo = data->mGridInfos[grid];
const TerrainData::LayerInfo& layerInfo = gridInfo.layers[layer];
if (layerInfo.pixmapId)
{
std::pair<Real, Real> t;
t = mOwner->_getPixmapCorner(layerInfo, TerrainData::LEFT_TOP, gridInfo.flags);
*pFloat++ = t.first; *pFloat++ = t.second;
t = mOwner->_getPixmapCorner(layerInfo, TerrainData::RIGHT_TOP, gridInfo.flags);
*pFloat++ = t.first; *pFloat++ = t.second;
t = mOwner->_getPixmapCorner(layerInfo, TerrainData::LEFT_BOTTOM, gridInfo.flags);
*pFloat++ = t.first; *pFloat++ = t.second;
t = mOwner->_getPixmapCorner(layerInfo, TerrainData::RIGHT_BOTTOM, gridInfo.flags);
*pFloat++ = t.first; *pFloat++ = t.second;
}
else
{
pFloat += 2 * 4;
}
}
}
buffer->unlock();
}
std::vector<Ogre::Vector3> OgreRecast::getManualObjectVertices(Ogre::ManualObject *manual)
{
std::vector<Ogre::Vector3> returnVertices;
unsigned long thisSectionStart = 0;
for (size_t i=0; i < manual->getNumSections(); i++)
{
Ogre::ManualObject::ManualObjectSection * section = manual->getSection(i);
Ogre::RenderOperation * renderOp = section->getRenderOperation();
//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 = (char*)vertexBuffer->lock(Ogre::HardwareBuffer::HBL_READ_ONLY);
float * positionArrayHolder;
thisSectionStart = returnVertices.size();
returnVertices.reserve(returnVertices.size() + 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;
returnVertices.push_back(vertexPos);
}
vertexBuffer->unlock();
}
}
return returnVertices;
}
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;
}
void Animation::handleShapes(std::vector<Nif::NiTriShapeCopy>* allshapes, Ogre::Entity* creaturemodel, Ogre::SkeletonInstance *skel){
shapeNumber = 0;
if (allshapes == NULL || creaturemodel == NULL || skel == NULL)
{
return;
}
std::vector<Nif::NiTriShapeCopy>::iterator allshapesiter;
for(allshapesiter = allshapes->begin(); allshapesiter != allshapes->end(); allshapesiter++)
{
//std::map<unsigned short, PosAndRot> vecPosRot;
Nif::NiTriShapeCopy& copy = *allshapesiter;
std::vector<Ogre::Vector3>* allvertices = ©.vertices;
//std::set<unsigned int> vertices;
//std::set<unsigned int> normals;
//std::vector<Nif::NiSkinData::BoneInfoCopy> boneinfovector = copy.boneinfo;
std::map<int, std::vector<Nif::NiSkinData::IndividualWeight> >* verticesToChange = ©.vertsToWeights;
//std::cout << "Name " << copy.sname << "\n";
Ogre::HardwareVertexBufferSharedPtr vbuf = creaturemodel->getMesh()->getSubMesh(copy.sname)->vertexData->vertexBufferBinding->getBuffer(0);
Ogre::Real* pReal = static_cast<Ogre::Real*>(vbuf->lock(Ogre::HardwareBuffer::HBL_NORMAL));
std::vector<Ogre::Vector3> initialVertices = copy.morph.getInitialVertices();
//Each shape has multiple indices
if(initialVertices.size() )
{
if(copy.vertices.size() == initialVertices.size())
{
//Create if it doesn't already exist
if(shapeIndexI.size() == static_cast<std::size_t> (shapeNumber))
{
std::vector<int> vec;
shapeIndexI.push_back(vec);
}
if(time >= copy.morph.getStartTime() && time <= copy.morph.getStopTime()){
float x;
for (unsigned int i = 0; i < copy.morph.getAdditionalVertices().size(); i++){
int j = 0;
if(shapeIndexI[shapeNumber].size() <= i)
shapeIndexI[shapeNumber].push_back(0);
if(timeIndex(time,copy.morph.getRelevantTimes()[i],(shapeIndexI[shapeNumber])[i], j, x)){
int indexI = (shapeIndexI[shapeNumber])[i];
std::vector<Ogre::Vector3> relevantData = (copy.morph.getRelevantData()[i]);
float v1 = relevantData[indexI].x;
float v2 = relevantData[j].x;
float t = v1 + (v2 - v1) * x;
if ( t < 0 ) t = 0;
if ( t > 1 ) t = 1;
if( t != 0 && initialVertices.size() == copy.morph.getAdditionalVertices()[i].size())
{
for (unsigned int v = 0; v < initialVertices.size(); v++){
initialVertices[v] += ((copy.morph.getAdditionalVertices()[i])[v]) * t;
}
}
}
}
allvertices = &initialVertices;
}
shapeNumber++;
}
}
if(verticesToChange->size() > 0){
for(std::map<int, std::vector<Nif::NiSkinData::IndividualWeight> >::iterator iter = verticesToChange->begin();
iter != verticesToChange->end(); iter++)
{
std::vector<Nif::NiSkinData::IndividualWeight> inds = iter->second;
int verIndex = iter->first;
Ogre::Vector3 currentVertex = (*allvertices)[verIndex];
Nif::NiSkinData::BoneInfoCopy* boneinfocopy = &(allshapesiter->boneinfo[inds[0].boneinfocopyindex]);
Ogre::Bone *bonePtr = 0;
Ogre::Vector3 vecPos;
Ogre::Quaternion vecRot;
std::map<Nif::NiSkinData::BoneInfoCopy*, PosAndRot>::iterator result = vecRotPos.find(boneinfocopy);
if(result == vecRotPos.end()){
bonePtr = skel->getBone(boneinfocopy->bonename);
vecPos = bonePtr->_getDerivedPosition() + bonePtr->_getDerivedOrientation() * boneinfocopy->trafo.trans;
vecRot = bonePtr->_getDerivedOrientation() * boneinfocopy->trafo.rotation;
PosAndRot both;
both.vecPos = vecPos;
both.vecRot = vecRot;
vecRotPos[boneinfocopy] = both;
}
else{
PosAndRot both = result->second;
vecPos = both.vecPos;
vecRot = both.vecRot;
}
Ogre::Vector3 absVertPos = (vecPos + vecRot * currentVertex) * inds[0].weight;
for(std::size_t i = 1; i < inds.size(); i++){
boneinfocopy = &(allshapesiter->boneinfo[inds[i].boneinfocopyindex]);
result = vecRotPos.find(boneinfocopy);
if(result == vecRotPos.end()){
bonePtr = skel->getBone(boneinfocopy->bonename);
vecPos = bonePtr->_getDerivedPosition() + bonePtr->_getDerivedOrientation() * boneinfocopy->trafo.trans;
vecRot = bonePtr->_getDerivedOrientation() * boneinfocopy->trafo.rotation;
PosAndRot both;
both.vecPos = vecPos;
both.vecRot = vecRot;
vecRotPos[boneinfocopy] = both;
}
else{
PosAndRot both = result->second;
vecPos = both.vecPos;
vecRot = both.vecRot;
}
absVertPos += (vecPos + vecRot * currentVertex) * inds[i].weight;
}
Ogre::Real* addr = (pReal + 3 * verIndex);
*addr = absVertPos.x;
*(addr+1) = absVertPos.y;
*(addr+2) = absVertPos.z;
}
}
else
{
//Ogre::Bone *bonePtr = creaturemodel->getSkeleton()->getBone(copy.bonename);
Ogre::Quaternion shaperot = copy.trafo.rotation;
Ogre::Vector3 shapetrans = copy.trafo.trans;
float shapescale = copy.trafo.scale;
std::vector<std::string> boneSequence = copy.boneSequence;
Ogre::Vector3 transmult;
Ogre::Quaternion rotmult;
float scale;
if(boneSequence.size() > 0){
std::vector<std::string>::iterator boneSequenceIter = boneSequence.begin();
if(skel->hasBone(*boneSequenceIter)){
Ogre::Bone *bonePtr = skel->getBone(*boneSequenceIter);
transmult = bonePtr->getPosition();
rotmult = bonePtr->getOrientation();
scale = bonePtr->getScale().x;
boneSequenceIter++;
for(; boneSequenceIter != boneSequence.end(); boneSequenceIter++)
{
if(skel->hasBone(*boneSequenceIter)){
Ogre::Bone *bonePtr = skel->getBone(*boneSequenceIter);
// Computes C = B + AxC*scale
transmult = transmult + rotmult * bonePtr->getPosition();
rotmult = rotmult * bonePtr->getOrientation();
scale = scale * bonePtr->getScale().x;
}
//std::cout << "Bone:" << *boneSequenceIter << " ";
}
transmult = transmult + rotmult * shapetrans;
rotmult = rotmult * shaperot;
scale = shapescale * scale;
//std::cout << "Position: " << transmult << "Rotation: " << rotmult << "\n";
}
}
else
{
transmult = shapetrans;
rotmult = shaperot;
scale = shapescale;
}
// Computes C = B + AxC*scale
// final_vector = old_vector + old_rotation*new_vector*old_scale/
for(unsigned int i = 0; i < allvertices->size(); i++){
Ogre::Vector3 current = transmult + rotmult * (*allvertices)[i];
Ogre::Real* addr = pReal + i * 3;
*addr = current.x;
*(addr+1) = current.y;
*(addr + 2) = current.z;
}/*
for(int i = 0; i < allnormals.size(); i++){
Ogre::Vector3 current =rotmult * allnormals[i];
Ogre::Real* addr = pRealNormal + i * 3;
*addr = current.x;
*(addr+1) = current.y;
*(addr + 2) = current.z;
}*/
}
vbuf->unlock();
}
}
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;
}
}
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();
}
}
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;
}
}
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;
}
}
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);
}
}
void GPUBillboardSet::createVertexDataForVertexAndGeometryShaders(const std::vector<PhotoSynth::Vertex>& vertices)
{
// Setup render operation
mRenderOp.operationType = Ogre::RenderOperation::OT_POINT_LIST;
mRenderOp.vertexData = OGRE_NEW Ogre::VertexData();
mRenderOp.vertexData->vertexCount = vertices.size();
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.useIndexes = false;
mRenderOp.indexData = 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);
// 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;
for (unsigned int i=0; i<vertices.size(); ++i )
{
const PhotoSynth::Vertex& vertex = vertices[i];
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);
}
}
// Go to next vertex
pVert += vbuf->getVertexSize();
}
vbuf->unlock();
// Set material
this->setMaterial("GPUBillboardWithGS");
}
//----------------------------------------------------------------------------------------
void PortalOutlineRenderable::setupVertices(Ogre::Real width, Ogre::Real height)
{
Ogre::Real maxx = width/2;
Ogre::Real maxy = height/2;
Ogre::Real maxz = 0.2f;
Ogre::Real minx = -(width/2);
Ogre::Real miny = -(height/2);
Ogre::Real minz = -0.2f;
// fill in the Vertex buffer
Ogre::HardwareVertexBufferSharedPtr vbuf = mRenderOp.vertexData->vertexBufferBinding->getBuffer(0);
float* pPos = static_cast<float*>(vbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
//outline
// line 0
*pPos++ = minx;
*pPos++ = miny;
*pPos++ = 0.0;
*pPos++ = maxx;
*pPos++ = miny;
*pPos++ = 0.0;
// line 1
*pPos++ = maxx;
*pPos++ = miny;
*pPos++ = 0.0;
*pPos++ = maxx;
*pPos++ = maxy;
*pPos++ = 0.0;
// line 2
*pPos++ = maxx;
*pPos++ = maxy;
*pPos++ = 0.0;
*pPos++ = minx;
*pPos++ = maxy;
*pPos++ = 0.0;
// line 3
*pPos++ = minx;
*pPos++ = maxy;
*pPos++ = 0.0;
*pPos++ = minx;
*pPos++ = miny;
*pPos++ = 0.0;
//line 4 (direction pointer)
*pPos++ = 0.0;
*pPos++ = 0.0;
*pPos++ = 0.0;
*pPos++ = 0.0;
*pPos++ = 0.0;
*pPos++ = 0.5;
vbuf->unlock();
// setup the bounding box of this SimpleRenderable
Ogre::AxisAlignedBox aab(Ogre::Vector3(minx,miny,minz),Ogre::Vector3(maxx,maxy,maxz));
setBoundingBox(aab);
}
void BtOgreSoftBody::updateOgreMesh()
{
Ogre::Node *ogreNode = mEntity->getParentNode();
//printf("updateOgreMesh %d %s %s\n", internalId, mEntity->getName().c_str(), ogreNode->getName().c_str());
Ogre::MeshPtr mesh = mEntity->getMesh();
Ogre::Mesh::SubMeshIterator subMeshI = mesh->getSubMeshIterator();
Ogre::SubMesh* subMesh = NULL;
Ogre::VertexData* vData = NULL;
Ogre::VertexDeclaration* vDeclaration = NULL;
const Ogre::VertexElement* vPosElement = NULL;
bool isSharedVerticesAdded = false;
unsigned short bufferIndex = 0;
Ogre::HardwareVertexBufferSharedPtr vBuffer;
// Can not do arithmetic operations on void*
unsigned char* lockedMem = NULL;
float* vPosition;
btSoftBody::tNodeArray& btNodes = mSoftBody->m_nodes;
//printf("Bullet nodes size %d\n", btNodes.size());
int ogreVertexIdx = 0;
while (subMeshI.hasMoreElements()) {
subMesh = subMeshI.getNext();
if (subMesh->useSharedVertices) {
if (isSharedVerticesAdded) {
continue;
}
vData = mesh->sharedVertexData;
// We need to add shared vertices only once
isSharedVerticesAdded = true;
} else {
vData = subMesh->vertexData;
}
vDeclaration = vData->vertexDeclaration;
vPosElement = vDeclaration->findElementBySemantic(Ogre::VES_POSITION);
bufferIndex = vPosElement->getSource();
vBuffer = vData->vertexBufferBinding->getBuffer(bufferIndex);
// Lock the buffer before reading from it
lockedMem = static_cast<unsigned char*>(vBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
// Read each vertex
for (unsigned int i = 0; i < vData->vertexCount; ++i) {
vPosElement->baseVertexPointerToElement(lockedMem, &vPosition);
int idx = getBulletIndex(ogreVertexIdx);
*vPosition++ = btNodes[idx].m_x.x();
*vPosition++ = btNodes[idx].m_x.y();
*vPosition = btNodes[idx++].m_x.z();
// Point to the next vertex
lockedMem += vBuffer->getVertexSize();
ogreVertexIdx++;
}
vBuffer->unlock();
}
btTransform transform = mSoftBody->getWorldTransform();
btQuaternion rot = transform.getRotation();
ogreNode->setOrientation(rot.w(), rot.x(), rot.y(), rot.z());
btVector3 pos = transform.getOrigin();
ogreNode->setPosition(pos.x(), pos.y(), pos.z());
}
// 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 VertexIndexToShape::addAnimatedVertexData(const Ogre::VertexData *vertex_data,
const Ogre::VertexData *blend_data,
const Ogre::Mesh::IndexMap *indexMap)
{
// Get the bone index element
assert(vertex_data);
const Ogre::VertexData *data = blend_data;
const unsigned int prev_size = mVertexCount;
mVertexCount += (unsigned int)data->vertexCount;
Ogre::Vector3 *tmp_vert = new Ogre::Vector3[mVertexCount];
if (mVertexBuffer)
{
memcpy(tmp_vert, mVertexBuffer, sizeof(Ogre::Vector3) * prev_size);
delete[] mVertexBuffer;
}
mVertexBuffer = tmp_vert;
// Get the positional buffer element
{
const Ogre::VertexElement *posElem = data->vertexDeclaration->findElementBySemantic(Ogre::VES_POSITION);
assert(posElem);
Ogre::HardwareVertexBufferSharedPtr vbuf = data->vertexBufferBinding->getBuffer(posElem->getSource());
const unsigned int vSize = (unsigned int)vbuf->getVertexSize();
unsigned char *vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
float *pReal;
Ogre::Vector3 * curVertices = &mVertexBuffer[prev_size];
const unsigned int vertexCount = (unsigned int)data->vertexCount;
for (unsigned int j = 0; j < vertexCount; ++j)
{
posElem->baseVertexPointerToElement(vertex, &pReal);
vertex += vSize;
curVertices->x = (*pReal++);
curVertices->y = (*pReal++);
curVertices->z = (*pReal++);
*curVertices = mTransform * (*curVertices);
curVertices++;
}
vbuf->unlock();
}
{
const Ogre::VertexElement *bneElem = vertex_data->vertexDeclaration->findElementBySemantic(Ogre::VES_BLEND_INDICES);
assert(bneElem);
Ogre::HardwareVertexBufferSharedPtr vbuf = vertex_data->vertexBufferBinding->getBuffer(bneElem->getSource());
const unsigned int vSize = (unsigned int)vbuf->getVertexSize();
unsigned char *vertex = static_cast<unsigned char*>(vbuf->lock(Ogre::HardwareBuffer::HBL_READ_ONLY));
unsigned char *pBone = NULL;
if (!mBoneIndex)
{
mBoneIndex = new BoneIndex();
}
Ogre::Vector3 *curVertices = &mVertexBuffer[prev_size];
const unsigned int vertexCount = (unsigned int)vertex_data->vertexCount;
for (unsigned int j = 0; j < vertexCount; ++j)
{
bneElem->baseVertexPointerToElement(vertex, &pBone);
vertex += vSize;
const unsigned char currBone = (indexMap) ? (*indexMap)[*pBone] : *pBone;
const BoneIndex::iterator i = mBoneIndex->find(currBone);
Vector3Array *l = NULL;
if (i == mBoneIndex->end())
{
l = new Vector3Array;
mBoneIndex->insert(BoneKeyIndex(currBone, l));
}
else
{
l = i->second;
}
l->push_back(*curVertices);
curVertices++;
}
vbuf->unlock();
}
}
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 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);
}
}