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);
}
void WireBoundingBox::_initWireBoundingBox()
{
mRenderOp.vertexData = OGRE_NEW VertexData();
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexCount = 24;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = RenderOperation::OT_LINE_LIST;
mRenderOp.useIndexes = false;
mRenderOp.useGlobalInstancingVertexBufferIsAvailable = false;
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(POSITION_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Bind buffer
bind->setBinding(POSITION_BINDING, vbuf);
// set basic white material
this->setMaterial("BaseWhiteNoLighting");
}
//---------------------------------------------------------------------
void TextAreaOverlayElement::_restoreManualHardwareResources()
{
if(!mInitialised)
return;
// 6 verts per char since we're doing tri lists without indexes
// Allocate space for positions & texture coords
// Note - mRenderOp.vertexData->vertexCount will be less than allocatedVertexCount
size_t allocatedVertexCount = mAllocSize * 6;
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
// Create dynamic since text tends to change a lot
// positions & texcoords
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().
createVertexBuffer(
decl->getVertexSize(POS_TEX_BINDING),
allocatedVertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(POS_TEX_BINDING, vbuf);
// colours
vbuf = HardwareBufferManager::getSingleton().
createVertexBuffer(
decl->getVertexSize(COLOUR_BINDING),
allocatedVertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(COLOUR_BINDING, vbuf);
// Buffers are restored, but with trash within
mGeomPositionsOutOfDate = true;
mGeomUVsOutOfDate = true;
mColoursChanged = true;
}
void Line3D::drawLines(void)
{
if(mDrawn)
return;
else
mDrawn = true;
// Initialization stuff
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexCount = mPoints.size();
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = RenderOperation::OT_LINE_LIST; // OT_LINE_LIST, OT_LINE_STRIP
mRenderOp.useIndexes = false;
VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(POSITION_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
bind->setBinding(POSITION_BINDING, vbuf);
// Drawing stuff
int size = mPoints.size();
Vector3 vaabMin = mPoints[0];
Vector3 vaabMax = mPoints[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();
mBox.setExtents(vaabMin, vaabMax);
}
//---------------------------------------------------------------------
void TextAreaOverlayElement::_releaseManualHardwareResources()
{
if(!mInitialised)
return;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
bind->unsetBinding(POS_TEX_BINDING);
bind->unsetBinding(COLOUR_BINDING);
}
void GeomUtils::createCone(Ogre::VertexData*& vertexData, Ogre::IndexData*& indexData,
float radius , float height, int nVerticesInBase)
{
assert(vertexData && indexData);
// define the vertex format
VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
// positions
vertexDecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
// allocate the vertex buffer
vertexData->vertexCount = nVerticesInBase + 1;
HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
VertexBufferBinding* binding = vertexData->vertexBufferBinding;
binding->setBinding(0, vBuf);
float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
// allocate index buffer - cone and base
indexData->indexCount = (3 * nVerticesInBase) + (3 * (nVerticesInBase - 2));
indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
HardwareIndexBufferSharedPtr iBuf = indexData->indexBuffer;
unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
//Positions : cone head and base
for (int i=0; i<3; i++)
*pVertex++ = 0.0f;
//Base :
float fDeltaBaseAngle = (2 * Math::PI) / nVerticesInBase;
for (int i=0; i<nVerticesInBase; i++)
{
float angle = i * fDeltaBaseAngle;
*pVertex++ = radius * cosf(angle);
*pVertex++ = height;
*pVertex++ = radius * sinf(angle);
}
//Indices :
//Cone head to vertices
for (int i=0; i<nVerticesInBase; i++)
{
*pIndices++ = 0;
*pIndices++ = (i%nVerticesInBase) + 1;
*pIndices++ = ((i+1)%nVerticesInBase) + 1;
}
//Cone base
for (int i=0; i<nVerticesInBase-2; i++)
{
*pIndices++ = 1;
*pIndices++ = i + 3;
*pIndices++ = i + 2;
}
// Unlock
vBuf->unlock();
iBuf->unlock();
}
//---------------------------------------------------------------------
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));
}
//---------------------------------------------------------------------
void BorderPanelOverlayElement::_releaseManualHardwareResources()
{
if(!mInitialised)
return;
VertexBufferBinding* bind = mRenderOp2.vertexData->vertexBufferBinding;
bind->unsetBinding(POSITION_BINDING);
bind->unsetBinding(TEXCOORD_BINDING);
mRenderOp2.indexData->indexBuffer.setNull();
PanelOverlayElement::_releaseManualHardwareResources();
}
//---------------------------------------------------------------------
void TangentSpaceCalc::extendBuffers(VertexSplits& vertexSplits)
{
if (!vertexSplits.empty())
{
// ok, need to increase the vertex buffer size, and alter some indexes
// vertex buffers first
VertexBufferBinding* newBindings = HardwareBufferManager::getSingleton().createVertexBufferBinding();
const VertexBufferBinding::VertexBufferBindingMap& bindmap =
mVData->vertexBufferBinding->getBindings();
for (VertexBufferBinding::VertexBufferBindingMap::const_iterator i =
bindmap.begin(); i != bindmap.end(); ++i)
{
HardwareVertexBufferSharedPtr srcbuf = i->second;
// Derive vertex count from buffer not vertex data, in case using
// the vertexStart option in vertex data
size_t newVertexCount = srcbuf->getNumVertices() + vertexSplits.size();
// Create new buffer & bind
HardwareVertexBufferSharedPtr newBuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
srcbuf->getVertexSize(), newVertexCount, srcbuf->getUsage(),
srcbuf->hasShadowBuffer());
newBindings->setBinding(i->first, newBuf);
// Copy existing contents (again, entire buffer, not just elements referenced)
newBuf->copyData(*(srcbuf.get()), 0, 0, srcbuf->getNumVertices() * srcbuf->getVertexSize(), true);
// Split vertices, read / write from new buffer
char* pBase = static_cast<char*>(newBuf->lock(HardwareBuffer::HBL_NORMAL));
for (VertexSplits::iterator spliti = vertexSplits.begin();
spliti != vertexSplits.end(); ++spliti)
{
const char* pSrcBase = pBase + spliti->first * newBuf->getVertexSize();
char* pDstBase = pBase + spliti->second * newBuf->getVertexSize();
memcpy(pDstBase, pSrcBase, newBuf->getVertexSize());
}
newBuf->unlock();
}
// Update vertex data
// Increase vertex count according to num splits
mVData->vertexCount += vertexSplits.size();
// Flip bindings over to new buffers (old buffers released)
HardwareBufferManager::getSingleton().destroyVertexBufferBinding(mVData->vertexBufferBinding);
mVData->vertexBufferBinding = newBindings;
}
}
//-----------------------------------------------------------------------------
void TempBlendedBufferInfo::extractFrom(const VertexData* sourceData)
{
// Release old buffer copies first
if (!destPositionBuffer.isNull())
{
destPositionBuffer->getManager()->releaseVertexBufferCopy(destPositionBuffer);
assert(destPositionBuffer.isNull());
}
if (!destNormalBuffer.isNull())
{
destNormalBuffer->getManager()->releaseVertexBufferCopy(destNormalBuffer);
assert(destNormalBuffer.isNull());
}
VertexDeclaration* decl = sourceData->vertexDeclaration;
VertexBufferBinding* bind = sourceData->vertexBufferBinding;
const VertexElement *posElem = decl->findElementBySemantic(VES_POSITION);
const VertexElement *normElem = decl->findElementBySemantic(VES_NORMAL);
assert(posElem && "Positions are required");
posBindIndex = posElem->getSource();
srcPositionBuffer = bind->getBuffer(posBindIndex);
if (!normElem)
{
posNormalShareBuffer = false;
srcNormalBuffer.setNull();
}
else
{
normBindIndex = normElem->getSource();
if (normBindIndex == posBindIndex)
{
posNormalShareBuffer = true;
srcNormalBuffer.setNull();
}
else
{
posNormalShareBuffer = false;
srcNormalBuffer = bind->getBuffer(normBindIndex);
}
}
}
DebugRectangle2D::DebugRectangle2D() : SimpleRenderable ()
{
#ifdef PLSM2_EIHORT
mUseIdentityProjection = true;
mUseIdentityView = true;
#endif
mRenderOp.indexData = new IndexData();
mRenderOp.vertexData = new VertexData();
mRenderOp.operationType = RenderOperation::OT_LINE_LIST;
mRenderOp.indexData->indexCount = 8;
mRenderOp.vertexData->vertexCount = 4;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.useIndexes = true;
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
const size_t offset = VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement (POSITION_BINDING, offset, VET_COLOUR, VES_DIFFUSE);
mRenderOp.indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
mRenderOp.indexData->indexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(POSITION_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Bind buffer
bind->setBinding(POSITION_BINDING, vbuf);
SimpleRenderable::setBoundingBox(AxisAlignedBox(-1000 * Vector3::UNIT_SCALE,
1000 * Vector3::UNIT_SCALE));
SimpleRenderable::setRenderQueueGroup (RENDER_QUEUE_OVERLAY);
// set basic white material
SimpleRenderable::setMaterial("BaseWhiteNoLighting");
}
void EffectBillboardChain::_createBuffer(void)
{
if (mRenderOp.vertexData)
{
delete mRenderOp.vertexData;
mRenderOp.vertexData = NULL;
}
mRenderOp.vertexData = new VertexData();
mRenderOp.indexData = NULL;
mRenderOp.vertexData->vertexCount = mCurrentNbChainElements * 2;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = RenderOperation::OT_TRIANGLE_STRIP;
mRenderOp.useIndexes = false;
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
// Add a description for the buffer of the positions of the vertices
size_t offset = 0;
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
decl->addElement(0, offset, VET_COLOUR, VES_DIFFUSE);
offset += VertexElement::getTypeSize(VET_COLOUR);
decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES);
offset += VertexElement::getTypeSize(VET_FLOAT2);
// Create the buffer
HardwareVertexBufferSharedPtr pVertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(0),
mCurrentNbChainElements * 2,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Bind the buffer
bind->setBinding(0, pVertexBuffer);
}
//---------------------------------------------------------------------
void PanelOverlayElement::_releaseManualHardwareResources()
{
if(!mInitialised)
return;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
bind->unsetBinding(POSITION_BINDING);
// Remove all texcoord element declarations
if(mNumTexCoordsInBuffer > 0)
{
bind->unsetBinding(TEXCOORD_BINDING);
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
for(size_t i = mNumTexCoordsInBuffer; i > 0; --i)
{
decl->removeElement(VES_TEXTURE_COORDINATES,
static_cast<unsigned short>(i - 1));
}
mNumTexCoordsInBuffer = 0;
}
}
void TextAreaOverlayElement::checkMemoryAllocation( size_t numChars )
{
if( mAllocSize < numChars)
{
// Create and bind new buffers
// Note that old buffers will be deleted automatically through reference counting
// 6 verts per char since we're doing tri lists without indexes
// Allocate space for positions & texture coords
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
mRenderOp.vertexData->vertexCount = numChars * 6;
// Create dynamic since text tends to change a lot
// positions & texcoords
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().
createVertexBuffer(
decl->getVertexSize(POS_TEX_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(POS_TEX_BINDING, vbuf);
// colours
vbuf = HardwareBufferManager::getSingleton().
createVertexBuffer(
decl->getVertexSize(COLOUR_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(COLOUR_BINDING, vbuf);
mAllocSize = numChars;
mColoursChanged = true; // force colour buffer regeneration
}
}
//---------------------------------------------------------------------
void PrefabFactory::createCube(Mesh* mesh)
{
SubMesh* sub = mesh->createSubMesh();
const int NUM_VERTICES = 4 * 6; // 4 vertices per side * 6 sides
const int NUM_ENTRIES_PER_VERTEX = 8;
const int NUM_VERTEX_ENTRIES = NUM_VERTICES * NUM_ENTRIES_PER_VERTEX;
const int NUM_INDICES = 3 * 2 * 6; // 3 indices per face * 2 faces per side * 6 sides
const Real CUBE_SIZE = 100.0f;
const Real CUBE_HALF_SIZE = CUBE_SIZE / 2.0f;
// Create 4 vertices per side instead of 6 that are shared for the whole cube.
// The reason for this is with only 6 vertices the normals will look bad
// since each vertex can "point" in a different direction depending on the face it is included in.
float vertices[NUM_VERTEX_ENTRIES] = {
// front side
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE, // pos
0,0,1, // normal
0,1, // texcoord
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,0,1,
1,1,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE,
0,0,1,
1,0,
-CUBE_HALF_SIZE, CUBE_HALF_SIZE, CUBE_HALF_SIZE ,
0,0,1,
0,0,
// back side
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,0,-1,
0,1,
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,0,-1,
1,1,
-CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,0,-1,
1,0,
CUBE_HALF_SIZE, CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
0,0,-1,
0,0,
// left side
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
-1,0,0,
0,1,
-CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
-1,0,0,
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,
// right side
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, CUBE_HALF_SIZE,
1,0,0,
0,1,
CUBE_HALF_SIZE, -CUBE_HALF_SIZE, -CUBE_HALF_SIZE,
1,0,0,
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);
}
void Rectangle2D::_initRectangle2D(bool includeTextureCoords, Ogre::HardwareBuffer::Usage vBufUsage)
{
// use identity projection and view matrices
mUseIdentityProjection = true;
mUseIdentityView = true;
mRenderOp.vertexData = OGRE_NEW VertexData();
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexCount = 4;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.operationType = RenderOperation::OT_TRIANGLE_STRIP;
mRenderOp.useIndexes = false;
mRenderOp.useGlobalInstancingVertexBufferIsAvailable = false;
VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(POSITION_BINDING),
mRenderOp.vertexData->vertexCount,
vBufUsage);
// Bind buffer
bind->setBinding(POSITION_BINDING, vbuf);
decl->addElement(NORMAL_BINDING, 0, VET_FLOAT3, VES_NORMAL);
vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(NORMAL_BINDING),
mRenderOp.vertexData->vertexCount,
vBufUsage);
bind->setBinding(NORMAL_BINDING, vbuf);
float *pNorm = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
*pNorm++ = 0.0f;
*pNorm++ = 0.0f;
*pNorm++ = 1.0f;
*pNorm++ = 0.0f;
*pNorm++ = 0.0f;
*pNorm++ = 1.0f;
*pNorm++ = 0.0f;
*pNorm++ = 0.0f;
*pNorm++ = 1.0f;
*pNorm++ = 0.0f;
*pNorm++ = 0.0f;
*pNorm++ = 1.0f;
vbuf->unlock();
if (includeTextureCoords)
{
decl->addElement(TEXCOORD_BINDING, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);
HardwareVertexBufferSharedPtr tvbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(TEXCOORD_BINDING),
mRenderOp.vertexData->vertexCount,
vBufUsage);
// Bind buffer
bind->setBinding(TEXCOORD_BINDING, tvbuf);
// Set up basic tex coordinates
setDefaultUVs();
}
// set basic white material
this->setMaterial("BaseWhiteNoLighting");
}
WaterMesh::WaterMesh(const String& inMeshName, Real planeSize, int inComplexity)
{
int x,y,b; // I prefer to initialize for() variables inside it, but VC doesn't like it ;(
this->meshName = inMeshName ;
this->complexity = inComplexity ;
numFaces = 2 * complexity * complexity;
numVertices = (complexity + 1) * (complexity + 1) ;
lastTimeStamp = 0 ;
lastAnimationTimeStamp = 0;
lastFrameTime = 0 ;
// initialize algorithm parameters
PARAM_C = 0.3f ; // ripple speed
PARAM_D = 0.4f ; // distance
PARAM_U = 0.05f ; // viscosity
PARAM_T = 0.13f ; // time
useFakeNormals = false ;
// allocate space for normal calculation
vNormals = new Vector3[numVertices];
// create mesh and submesh
mesh = MeshManager::getSingleton().createManual(meshName,
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
subMesh = mesh->createSubMesh();
subMesh->useSharedVertices=false;
// Vertex buffers
subMesh->vertexData = new VertexData();
subMesh->vertexData->vertexStart = 0;
subMesh->vertexData->vertexCount = numVertices;
VertexDeclaration* vdecl = subMesh->vertexData->vertexDeclaration;
VertexBufferBinding* vbind = subMesh->vertexData->vertexBufferBinding;
vdecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
vdecl->addElement(1, 0, VET_FLOAT3, VES_NORMAL);
vdecl->addElement(2, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);
// Prepare buffer for positions - todo: first attempt, slow
posVertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
3*sizeof(float),
numVertices,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
vbind->setBinding(0, posVertexBuffer);
// Prepare buffer for normals - write only
normVertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
3*sizeof(float),
numVertices,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
vbind->setBinding(1, normVertexBuffer);
// Prepare texture coords buffer - static one
// todo: optimize to write directly into buffer
float *texcoordsBufData = new float[numVertices*2];
for(y=0;y<=complexity;y++) {
for(x=0;x<=complexity;x++) {
texcoordsBufData[2*(y*(complexity+1)+x)+0] = (float)x / complexity ;
texcoordsBufData[2*(y*(complexity+1)+x)+1] = 1.0f - ((float)y / (complexity)) ;
}
}
texcoordsVertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
2*sizeof(float),
numVertices,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
texcoordsVertexBuffer->writeData(0,
texcoordsVertexBuffer->getSizeInBytes(),
texcoordsBufData,
true); // true?
delete [] texcoordsBufData;
vbind->setBinding(2, texcoordsVertexBuffer);
// Prepare buffer for indices
indexBuffer =
HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
3*numFaces,
HardwareBuffer::HBU_STATIC, true);
unsigned short *faceVertexIndices = (unsigned short*)
indexBuffer->lock(0, numFaces*3*2, HardwareBuffer::HBL_DISCARD);
for(y=0 ; y<complexity ; y++) {
for(x=0 ; x<complexity ; x++) {
unsigned short *twoface = faceVertexIndices + (y*complexity+x)*2*3;
int p0 = y*(complexity+1) + x ;
int p1 = y*(complexity+1) + x + 1 ;
int p2 = (y+1)*(complexity+1) + x ;
int p3 = (y+1)*(complexity+1) + x + 1 ;
twoface[0]=p2; //first tri
twoface[1]=p1;
twoface[2]=p0;
twoface[3]=p2; //second tri
twoface[4]=p3;
twoface[5]=p1;
}
}
indexBuffer->unlock();
// Set index buffer for this submesh
subMesh->indexData->indexBuffer = indexBuffer;
subMesh->indexData->indexStart = 0;
subMesh->indexData->indexCount = 3*numFaces;
/* prepare vertex positions
* note - we use 3 vertex buffers, since algorighm uses two last phases
* to calculate the next one
*/
for(b=0;b<3;b++) {
vertexBuffers[b] = new float[numVertices * 3] ;
for(y=0;y<=complexity;y++) {
for(x=0;x<=complexity;x++) {
int numPoint = y*(complexity+1) + x ;
float* vertex = vertexBuffers[b] + 3*numPoint ;
vertex[0]=(float)(x) / (float)(complexity) * (float) planeSize ;
vertex[1]= 0 ; // rand() % 30 ;
vertex[2]=(float)(y) / (float)(complexity) * (float) planeSize ;
}
}
}
AxisAlignedBox meshBounds(0,0,0,
planeSize,0, planeSize);
mesh->_setBounds(meshBounds);
currentBuffNumber = 0 ;
posVertexBuffer->writeData(0,
posVertexBuffer->getSizeInBytes(), // size
vertexBuffers[currentBuffNumber], // source
true); // discard?
mesh->load();
mesh->touch();
}
void MovableText::_setupGeometry()
{
assert(mpFont);
assert(!mpMaterial.isNull());
unsigned int vertexCount = 0;
//count letters to determine how many vertices are needed
std::string::iterator i = mCaption.begin();
std::string::iterator iend = mCaption.end();
for ( ; i != iend; ++i )
{
if ((*i != ' ') && (*i != '\n'))
{
vertexCount += 6;
}
}
if (mRenderOp.vertexData)
{
delete mRenderOp.vertexData;
mRenderOp.vertexData = NULL;
mUpdateColors = true;
}
if (mCaption.empty())
{
return;
}
if (!mRenderOp.vertexData)
mRenderOp.vertexData = new VertexData();
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.vertexData->vertexCount = vertexCount;
mRenderOp.operationType = RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.useIndexes = false;
VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;
size_t offset = 0;
// create/bind positions/tex.ccord. buffer
if (!decl->findElementBySemantic(VES_POSITION))
decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
if (!decl->findElementBySemantic(VES_TEXTURE_COORDINATES))
decl->addElement(POS_TEX_BINDING, offset, Ogre::VET_FLOAT2,
Ogre::VES_TEXTURE_COORDINATES, 0);
HardwareVertexBufferSharedPtr ptbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(POS_TEX_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(POS_TEX_BINDING, ptbuf);
// Colours - store these in a separate buffer because they change less often
if (!decl->findElementBySemantic(VES_DIFFUSE))
decl->addElement(COLOUR_BINDING, 0, VET_COLOUR, VES_DIFFUSE);
HardwareVertexBufferSharedPtr cbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
decl->getVertexSize(COLOUR_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(COLOUR_BINDING, cbuf);
float *pPCBuff =
static_cast<float*> (ptbuf->lock(HardwareBuffer::HBL_DISCARD));
Real spaceWidth = mSpaceWidth;
// Derive space width from a capital A
if (spaceWidth == 0)
spaceWidth = mpFont->getGlyphAspectRatio('A') * mCharHeight * 2.0;
float total_height = mCharHeight;
float total_width = 0.0f;
float current_width = 0.0f;
i = mCaption.begin();
iend = mCaption.end();
for ( ; i != iend; ++i )
{
if (*i == '\n')
{
total_height += mCharHeight + 0.01;
if ( current_width > total_width )
{
total_width = current_width;
current_width = 0.0;
}
}
else
{
current_width += mpFont->getGlyphAspectRatio(*i) * mCharHeight * 2.0;
}
}
if ( current_width > total_width )
{
total_width = current_width;
}
float top = 0.0f;
switch (mVerticalAlignment)
{
case MovableText::V_ABOVE:
top = total_height * 2;
break;
case MovableText::V_CENTER:
top = 0.5 * total_height * 2;
break;
case MovableText::V_BELOW:
top = 0.0f;
break;
}
float starting_left = 0.0f;
switch (mHorizontalAlignment)
{
case MovableText::H_LEFT:
starting_left = 0.0f;
break;
case MovableText::H_CENTER:
starting_left = -total_width / 2.0f;
break;
}
float left = starting_left;
bool newLine = true;
Real len = 0.0f;
// for calculation of AABB
Ogre::Vector3 min(9999999.0f), max(-9999999.0f), currPos(0.0f);
Ogre::Real maxSquaredRadius = -99999999.0f;
float largestWidth = 0.0f;
for (i = mCaption.begin(); i != iend; ++i)
{
if (newLine)
{
len = 0.0f;
for (String::iterator j = i; j != iend && *j != '\n'; j++)
{
if (*j == ' ')
len += spaceWidth;
else
len += mpFont->getGlyphAspectRatio(*j) * mCharHeight * 2.0;
}
newLine = false;
}
if (*i == '\n')
{
left = starting_left;
top -= mCharHeight * 2.0;
newLine = true;
continue;
}
if (*i == ' ')
{
// Just leave a gap, no tris
left += spaceWidth;
continue;
}
Real horiz_height = mpFont->getGlyphAspectRatio(*i);
Real u1, u2, v1, v2;
Ogre::Font::UVRect utmp;
utmp = mpFont->getGlyphTexCoords(*i);
u1 = utmp.left;
u2 = utmp.right;
v1 = utmp.top;
v2 = utmp.bottom;
// each vert is (x, y, z, u, v)
//-------------------------------------------------------------------------------------
// First tri
//
// Upper left
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u1;
*pPCBuff++ = v1;
// Deal with bounds
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
top -= mCharHeight * 2.0;
// Bottom left
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u1;
*pPCBuff++ = v2;
// Deal with bounds
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
top += mCharHeight * 2.0;
left += horiz_height * mCharHeight * 2.0;
// Top right
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u2;
*pPCBuff++ = v1;
//-------------------------------------------------------------------------------------
// Deal with bounds
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
//-------------------------------------------------------------------------------------
// Second tri
//
// Top right (again)
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u2;
*pPCBuff++ = v1;
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
top -= mCharHeight * 2.0;
left -= horiz_height * mCharHeight * 2.0;
// Bottom left (again)
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u1;
*pPCBuff++ = v2;
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
left += horiz_height * mCharHeight * 2.0;
// Bottom right
currPos = Ogre::Vector3(left, top, 0.0);
*pPCBuff++ = currPos.x;
*pPCBuff++ = currPos.y;
*pPCBuff++ = currPos.z;
*pPCBuff++ = u2;
*pPCBuff++ = v2;
//-------------------------------------------------------------------------------------
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
// Go back up with top
top += mCharHeight * 2.0;
float currentWidth = (left + 1) / 2 - 0;
if (currentWidth > largestWidth)
largestWidth = currentWidth;
}
// Unlock vertex buffer
ptbuf->unlock();
// update AABB/Sphere radius
mAABB = Ogre::AxisAlignedBox(min, max);
mRadius = Ogre::Math::Sqrt(maxSquaredRadius);
if (mUpdateColors)
this->_updateColors();
mNeedUpdate = false;
}
void MovableText::_setupGeometry()
{
assert(mpFont);
assert(!mpMaterial.isNull());
unsigned int vertexCount = static_cast<unsigned int>(mCaption.size() * 6);
if (mRenderOp.vertexData)
{
// Removed this test as it causes problems when replacing a caption
// of the same size: replacing "Hello" with "hello"
// as well as when changing the text alignment
//if (mRenderOp.vertexData->vertexCount != vertexCount)
{
delete mRenderOp.vertexData;
mRenderOp.vertexData = NULL;
mUpdateColors = true;
}
}
if (!mRenderOp.vertexData)
mRenderOp.vertexData = new VertexData();
mRenderOp.indexData = 0;
mRenderOp.vertexData->vertexStart = 0;
mRenderOp.vertexData->vertexCount = vertexCount;
mRenderOp.operationType = RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.useIndexes = false;
VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;
size_t offset = 0;
// create/bind positions/tex.ccord. buffer
if (!decl->findElementBySemantic(VES_POSITION))
decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
if (!decl->findElementBySemantic(VES_TEXTURE_COORDINATES))
decl->addElement(POS_TEX_BINDING, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
HardwareVertexBufferSharedPtr ptbuf = HardwareBufferManager::getSingleton().createVertexBuffer(decl->getVertexSize(POS_TEX_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(POS_TEX_BINDING, ptbuf);
// Colours - store these in a separate buffer because they change less often
if (!decl->findElementBySemantic(VES_DIFFUSE))
decl->addElement(COLOUR_BINDING, 0, VET_COLOUR, VES_DIFFUSE);
HardwareVertexBufferSharedPtr cbuf = HardwareBufferManager::getSingleton().createVertexBuffer(decl->getVertexSize(COLOUR_BINDING),
mRenderOp.vertexData->vertexCount,
HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(COLOUR_BINDING, cbuf);
size_t charlen = mCaption.size();
float *pPCBuff = static_cast<float*>(ptbuf->lock(HardwareBuffer::HBL_DISCARD));
float largestWidth = 0;
float left = 0 * 2.0 - 1.0;
float top = -((0 * 2.0) - 1.0);
Real spaceWidth = mSpaceWidth;
// Derive space width from a capital A
if (spaceWidth == 0)
spaceWidth = mpFont->getGlyphAspectRatio('A') * mCharHeight * 2.0;
// for calculation of AABB
Ogre::Vector3 min, max, currPos;
Ogre::Real maxSquaredRadius;
bool first = true;
// Use iterator
String::iterator i, iend;
iend = mCaption.end();
bool newLine = true;
Real len = 0.0f;
Real verticalOffset = 0;
switch (mVerticalAlignment)
{
case MovableText::V_ABOVE:
verticalOffset = mCharHeight;
break;
case MovableText::V_CENTER:
verticalOffset = 0.5*mCharHeight;
break;
case MovableText::V_BELOW:
verticalOffset = 0;
break;
}
// Raise the first line of the caption
top += verticalOffset;
for (i = mCaption.begin(); i != iend; ++i)
{
if (*i == '\n')
top += verticalOffset * 2.0;
}
for (i = mCaption.begin(); i != iend; ++i)
{
if (newLine)
{
len = 0.0f;
for (String::iterator j = i; j != iend && *j != '\n'; j++)
{
if (*j == ' ')
len += spaceWidth;
else
len += mpFont->getGlyphAspectRatio((unsigned char)*j) * mCharHeight * 2.0;
}
newLine = false;
}
if (*i == '\n')
{
left = 0 * 2.0 - 1.0;
top -= mCharHeight * 2.0;
newLine = true;
// Bugfix by Wladimir Lukutin - thanks :)
// Also reduce tri count
mRenderOp.vertexData->vertexCount -= 6;
// Bugfix end.
continue;
}
if (*i == ' ')
{
// Just leave a gap, no tris
left += spaceWidth;
// Also reduce tri count
mRenderOp.vertexData->vertexCount -= 6;
continue;
}
Real horiz_height = mpFont->getGlyphAspectRatio((unsigned char)*i);
Real u1, u2, v1, v2;
Ogre::Font::UVRect utmp;
utmp = mpFont->getGlyphTexCoords((unsigned char)*i);
u1 = utmp.left;
u2 = utmp.right;
v1 = utmp.top;
v2 = utmp.bottom;
// each vert is (x, y, z, u, v)
//-------------------------------------------------------------------------------------
// First tri
//
// Upper left
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u1;
*pPCBuff++ = v1;
// Deal with bounds
if(mHorizontalAlignment == MovableText::H_LEFT)
currPos = Ogre::Vector3(left, top, -1.0);
else
currPos = Ogre::Vector3(left - (len / 2), top, -1.0);
if (first)
{
min = max = currPos;
maxSquaredRadius = currPos.squaredLength();
first = false;
}
else
{
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
}
top -= mCharHeight * 2.0;
// Bottom left
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u1;
*pPCBuff++ = v2;
// Deal with bounds
if(mHorizontalAlignment == MovableText::H_LEFT)
currPos = Ogre::Vector3(left, top, -1.0);
else
currPos = Ogre::Vector3(left - (len / 2), top, -1.0);
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
top += mCharHeight * 2.0;
left += horiz_height * mCharHeight * 2.0;
// Top right
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u2;
*pPCBuff++ = v1;
//-------------------------------------------------------------------------------------
// Deal with bounds
if(mHorizontalAlignment == MovableText::H_LEFT)
currPos = Ogre::Vector3(left, top, -1.0);
else
currPos = Ogre::Vector3(left - (len / 2), top, -1.0);
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
//-------------------------------------------------------------------------------------
// Second tri
//
// Top right (again)
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u2;
*pPCBuff++ = v1;
currPos = Ogre::Vector3(left, top, -1.0);
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
top -= mCharHeight * 2.0;
left -= horiz_height * mCharHeight * 2.0;
// Bottom left (again)
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u1;
*pPCBuff++ = v2;
currPos = Ogre::Vector3(left, top, -1.0);
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
left += horiz_height * mCharHeight * 2.0;
// Bottom right
if(mHorizontalAlignment == MovableText::H_LEFT)
*pPCBuff++ = left;
else
*pPCBuff++ = left - (len / 2);
*pPCBuff++ = top;
*pPCBuff++ = -1.0;
*pPCBuff++ = u2;
*pPCBuff++ = v2;
//-------------------------------------------------------------------------------------
currPos = Ogre::Vector3(left, top, -1.0);
min.makeFloor(currPos);
max.makeCeil(currPos);
maxSquaredRadius = std::max(maxSquaredRadius, currPos.squaredLength());
// Go back up with top
top += mCharHeight * 2.0;
float currentWidth = (left + 1)/2 - 0;
if (currentWidth > largestWidth)
largestWidth = currentWidth;
}
// Unlock vertex buffer
ptbuf->unlock();
// update AABB/Sphere radius
mAABB = Ogre::AxisAlignedBox(min, max);
mRadius = Ogre::Math::Sqrt(maxSquaredRadius);
if (mUpdateColors)
this->_updateColors();
mNeedUpdate = false;
}
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
// Remove pre-created technique from defaults
material->removeAllTechniques();
// Create a techinique and a pass and a texture unit
Technique * technique = material->createTechnique();
Pass * pass = technique->createPass();
TextureUnitState * textureUnit = pass->createTextureUnitState();
// Set pass parameters
pass->setSceneBlending(SBT_TRANSPARENT_ALPHA);
pass->setDepthWriteEnabled(false);
pass->setCullingMode(CULL_NONE);
pass->setLightingEnabled(false);
// Set texture unit parameters
textureUnit->setTextureAddressingMode(TextureUnitState::TAM_CLAMP);
textureUnit->setTextureName(mTexture, TEX_TYPE_3D);
textureUnit->setTextureFiltering(TFO_TRILINEAR);
mUnit = textureUnit;
m_pMaterial = material;
}
void OgreMesh::syncFromOgreMesh(Ogre::Entity *entity,Ogre::SubMesh*subMesh)
{
const Ogre::Vector3 &position = entity->getParentNode()->_getDerivedPosition();
const Ogre::Quaternion &orient = entity->getParentNode()->_getDerivedOrientation();
const Ogre::Vector3 &scale = entity->getParentNode()->_getDerivedScale();
VertexData *vertexData = subMesh->vertexData;
if (vertexData) {
VertexDeclaration *vertexDecl = vertexData->vertexDeclaration;
// find the element for position
const VertexElement *element = vertexDecl->findElementBySemantic(Ogre::VES_POSITION);
// find and lock the buffer containing position information
VertexBufferBinding *bufferBinding = vertexData->vertexBufferBinding;
HardwareVertexBuffer *buffer = bufferBinding->getBuffer(element->getSource()).get();
unsigned char *pVert = static_cast<unsigned char*>(buffer->lock(HardwareBuffer::HBL_READ_ONLY));
std::vector<Ogre::Vector3> lvertices;
for (size_t vert = 0; vert < vertexData->vertexCount; vert++) {
Real *vertex = 0;
Real x, y, z;
element->baseVertexPointerToElement(pVert, &vertex);
x = *vertex++;
y = *vertex++;
z = *vertex++;
Ogre::Vector3 vec(x, y, z);
vec = (orient * (vec * scale)) + position;
lvertices.push_back(vec);
pVert += buffer->getVertexSize();
}
buffer->unlock();
// find and lock buffer containg vertex indices
IndexData * indexData = subMesh->indexData;
HardwareIndexBuffer *indexBuffer = indexData->indexBuffer.get();
void *pIndex = static_cast<unsigned char *>(indexBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
if (indexBuffer->getType() == HardwareIndexBuffer::IT_16BIT) {
for (size_t index = indexData->indexStart; index < indexData->indexCount; ) {
uint16 *uint16Buffer = (uint16 *) pIndex;
uint16 v1 = uint16Buffer[index++];
uint16 v2 = uint16Buffer[index++];
uint16 v3 = uint16Buffer[index++];
mTriangles.push_back(Triangle(lvertices[v1], lvertices[v2], lvertices[v3]));
}
} else if (indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT) {
for (size_t index = indexData->indexStart; index < indexData->indexCount; ) {
uint32 *uint16Buffer = (uint32 *) pIndex;
uint32 v1 = uint16Buffer[index++];
uint32 v2 = uint16Buffer[index++];
uint32 v3 = uint16Buffer[index++];
mTriangles.push_back(Triangle(lvertices[v1], lvertices[v2], lvertices[v3]));
}
} else {
assert(0);
}
indexBuffer->unlock();
}
}
//---------------------------------------------------------------------
void PrefabFactory::createSphere(Mesh* mesh)
{
// sphere creation code taken from the DeferredShading sample, originally from the wiki
SubMesh *pSphereVertex = mesh->createSubMesh();
const int NUM_SEGMENTS = 16;
const int NUM_RINGS = 16;
const Real SPHERE_RADIUS = 50.0;
mesh->sharedVertexData = OGRE_NEW VertexData();
VertexData* vertexData = mesh->sharedVertexData;
// define the vertex format
VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
size_t currOffset = 0;
// positions
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
// normals
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_NORMAL);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
// two dimensional texture coordinates
vertexDecl->addElement(0, currOffset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
// allocate the vertex buffer
vertexData->vertexCount = (NUM_RINGS + 1) * (NUM_SEGMENTS+1);
HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
VertexBufferBinding* binding = vertexData->vertexBufferBinding;
binding->setBinding(0, vBuf);
float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
// allocate index buffer
pSphereVertex->indexData->indexCount = 6 * NUM_RINGS * (NUM_SEGMENTS + 1);
pSphereVertex->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, pSphereVertex->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
HardwareIndexBufferSharedPtr iBuf = pSphereVertex->indexData->indexBuffer;
unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
float fDeltaRingAngle = (Math::PI / NUM_RINGS);
float fDeltaSegAngle = (2 * Math::PI / NUM_SEGMENTS);
unsigned short wVerticeIndex = 0 ;
// Generate the group of rings for the sphere
for( int ring = 0; ring <= NUM_RINGS; ring++ ) {
float r0 = SPHERE_RADIUS * sinf (ring * fDeltaRingAngle);
float y0 = SPHERE_RADIUS * cosf (ring * fDeltaRingAngle);
// Generate the group of segments for the current ring
for(int seg = 0; seg <= NUM_SEGMENTS; seg++) {
float x0 = r0 * sinf(seg * fDeltaSegAngle);
float z0 = r0 * cosf(seg * fDeltaSegAngle);
// Add one vertex to the strip which makes up the sphere
*pVertex++ = x0;
*pVertex++ = y0;
*pVertex++ = z0;
Vector3 vNormal = Vector3(x0, y0, z0).normalisedCopy();
*pVertex++ = vNormal.x;
*pVertex++ = vNormal.y;
*pVertex++ = vNormal.z;
*pVertex++ = (float) seg / (float) NUM_SEGMENTS;
*pVertex++ = (float) ring / (float) NUM_RINGS;
if (ring != NUM_RINGS) {
// each vertex (except the last) has six indicies pointing to it
*pIndices++ = wVerticeIndex + NUM_SEGMENTS + 1;
*pIndices++ = wVerticeIndex;
*pIndices++ = wVerticeIndex + NUM_SEGMENTS;
*pIndices++ = wVerticeIndex + NUM_SEGMENTS + 1;
*pIndices++ = wVerticeIndex + 1;
*pIndices++ = wVerticeIndex;
wVerticeIndex ++;
}
}; // end for seg
} // end for ring
// Unlock
vBuf->unlock();
iBuf->unlock();
// Generate face list
pSphereVertex->useSharedVertices = true;
// the original code was missing this line:
mesh->_setBounds( AxisAlignedBox( Vector3(-SPHERE_RADIUS, -SPHERE_RADIUS, -SPHERE_RADIUS),
Vector3(SPHERE_RADIUS, SPHERE_RADIUS, SPHERE_RADIUS) ), false );
mesh->_setBoundingSphereRadius(SPHERE_RADIUS);
}
//---------------------------------------------------------------------
void TangentSpaceCalc::populateVertexArray(unsigned short sourceTexCoordSet)
{
// Just pull data out into more friendly structures
VertexDeclaration *dcl = mVData->vertexDeclaration;
VertexBufferBinding *bind = mVData->vertexBufferBinding;
// Get the incoming UV element
const VertexElement* uvElem = dcl->findElementBySemantic(
VES_TEXTURE_COORDINATES, sourceTexCoordSet);
if (!uvElem || uvElem->getType() != VET_FLOAT2)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"No 2D texture coordinates with selected index, cannot calculate tangents.",
"TangentSpaceCalc::build");
}
HardwareVertexBufferSharedPtr uvBuf, posBuf, normBuf;
unsigned char *pUvBase, *pPosBase, *pNormBase;
size_t uvInc, posInc, normInc;
uvBuf = bind->getBuffer(uvElem->getSource());
pUvBase = static_cast<unsigned char*>(
uvBuf->lock(HardwareBuffer::HBL_READ_ONLY));
uvInc = uvBuf->getVertexSize();
// offset for vertex start
pUvBase += mVData->vertexStart * uvInc;
// find position
const VertexElement *posElem = dcl->findElementBySemantic(VES_POSITION);
if (posElem->getSource() == uvElem->getSource())
{
pPosBase = pUvBase;
posInc = uvInc;
}
else
{
// A different buffer
posBuf = bind->getBuffer(posElem->getSource());
pPosBase = static_cast<unsigned char*>(
posBuf->lock(HardwareBuffer::HBL_READ_ONLY));
posInc = posBuf->getVertexSize();
// offset for vertex start
pPosBase += mVData->vertexStart * posInc;
}
// find a normal buffer
const VertexElement *normElem = dcl->findElementBySemantic(VES_NORMAL);
if (!normElem)
OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
"No vertex normals found",
"TangentSpaceCalc::build");
if (normElem->getSource() == uvElem->getSource())
{
pNormBase = pUvBase;
normInc = uvInc;
}
else if (normElem->getSource() == posElem->getSource())
{
// normals are in the same buffer as position
// this condition arises when an animated(skeleton) mesh is not built with
// an edge list buffer ie no shadows being used.
pNormBase = pPosBase;
normInc = posInc;
}
else
{
// A different buffer
normBuf = bind->getBuffer(normElem->getSource());
pNormBase = static_cast<unsigned char*>(
normBuf->lock(HardwareBuffer::HBL_READ_ONLY));
normInc = normBuf->getVertexSize();
// offset for vertex start
pNormBase += mVData->vertexStart * normInc;
}
// Preinitialise vertex info
mVertexArray.clear();
mVertexArray.resize(mVData->vertexCount);
float* pFloat;
VertexInfo* vInfo = &(mVertexArray[0]);
for (size_t v = 0; v < mVData->vertexCount; ++v, ++vInfo)
{
posElem->baseVertexPointerToElement(pPosBase, &pFloat);
vInfo->pos.x = *pFloat++;
vInfo->pos.y = *pFloat++;
vInfo->pos.z = *pFloat++;
pPosBase += posInc;
normElem->baseVertexPointerToElement(pNormBase, &pFloat);
vInfo->norm.x = *pFloat++;
vInfo->norm.y = *pFloat++;
vInfo->norm.z = *pFloat++;
pNormBase += normInc;
uvElem->baseVertexPointerToElement(pUvBase, &pFloat);
vInfo->uv.x = *pFloat++;
vInfo->uv.y = *pFloat++;
pUvBase += uvInc;
}
// unlock buffers
uvBuf->unlock();
if (!posBuf.isNull())
{
posBuf->unlock();
}
if (!normBuf.isNull())
{
normBuf->unlock();
}
}
void _prepareMesh()
{
int i,lvl ;
mesh = MeshManager::getSingleton().createManual(name,
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME) ;
subMesh = mesh->createSubMesh();
subMesh->useSharedVertices=false;
int numVertices = 4 ;
if (first) { // first Circle, create some static common data
first = false ;
// static buffer for position and normals
posnormVertexBuffer =
HardwareBufferManager::getSingleton().createVertexBuffer(
6*sizeof(float), // size of one vertex data
4, // number of vertices
HardwareBuffer::HBU_STATIC_WRITE_ONLY, // usage
false); // no shadow buffer
float *posnormBufData = (float*) posnormVertexBuffer->
lock(HardwareBuffer::HBL_DISCARD);
for(i=0;i<numVertices;i++) {
posnormBufData[6*i+0]=((Real)(i%2)-0.5f)*CIRCLE_SIZE; // pos X
posnormBufData[6*i+1]=0; // pos Y
posnormBufData[6*i+2]=((Real)(i/2)-0.5f)*CIRCLE_SIZE; // pos Z
posnormBufData[6*i+3]=0 ; // normal X
posnormBufData[6*i+4]=1 ; // normal Y
posnormBufData[6*i+5]=0 ; // normal Z
}
posnormVertexBuffer->unlock();
// static buffers for 16 sets of texture coordinates
texcoordsVertexBuffers = new HardwareVertexBufferSharedPtr[16];
for(lvl=0;lvl<16;lvl++) {
texcoordsVertexBuffers[lvl] =
HardwareBufferManager::getSingleton().createVertexBuffer(
2*sizeof(float), // size of one vertex data
numVertices, // number of vertices
HardwareBuffer::HBU_STATIC_WRITE_ONLY, // usage
false); // no shadow buffer
float *texcoordsBufData = (float*) texcoordsVertexBuffers[lvl]->
lock(HardwareBuffer::HBL_DISCARD);
float x0 = (Real)(lvl % 4) * 0.25 ;
float y0 = (Real)(lvl / 4) * 0.25 ;
y0 = 0.75-y0 ; // upside down
for(i=0;i<4;i++) {
texcoordsBufData[i*2 + 0]=
x0 + 0.25 * (Real)(i%2) ;
texcoordsBufData[i*2 + 1]=
y0 + 0.25 * (Real)(i/2) ;
}
texcoordsVertexBuffers[lvl]->unlock();
}
// Index buffer for 2 faces
unsigned short faces[6] = {2,1,0, 2,3,1};
indexBuffer =
HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
6,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
indexBuffer->writeData(0,
indexBuffer->getSizeInBytes(),
faces,
true); // true?
}
// Initialize vertex data
subMesh->vertexData = new VertexData();
subMesh->vertexData->vertexStart = 0;
subMesh->vertexData->vertexCount = 4;
// first, set vertex buffer bindings
VertexBufferBinding *vbind = subMesh->vertexData->vertexBufferBinding ;
vbind->setBinding(0, posnormVertexBuffer);
vbind->setBinding(1, texcoordsVertexBuffers[0]);
// now, set vertex buffer declaration
VertexDeclaration *vdecl = subMesh->vertexData->vertexDeclaration ;
vdecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
vdecl->addElement(0, 3*sizeof(float), VET_FLOAT3, VES_NORMAL);
vdecl->addElement(1, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);
// Initialize index data
subMesh->indexData->indexBuffer = indexBuffer;
subMesh->indexData->indexStart = 0;
subMesh->indexData->indexCount = 6;
// set mesh bounds
AxisAlignedBox circleBounds(-CIRCLE_SIZE/2.0f, 0, -CIRCLE_SIZE/2.0f,
CIRCLE_SIZE/2.0f, 0, CIRCLE_SIZE/2.0f);
mesh->_setBounds(circleBounds);
mesh->load();
mesh->touch();
}
FlexMesh::FlexMesh(
Ogre::String const & name,
RoR::GfxActor* gfx_actor,
int n1,
int n2,
int nstart,
int nrays,
Ogre::String const & face_material_name,
Ogre::String const & band_material_name,
bool rimmed,
float rim_ratio
) :
m_is_rimmed(rimmed)
, m_num_rays(nrays)
, m_gfx_actor(gfx_actor)
{
// Create the mesh via the MeshManager
m_mesh = MeshManager::getSingleton().createManual(name, gfx_actor->GetResourceGroup());
// Create submeshes
m_submesh_wheelface = m_mesh->createSubMesh();
m_submesh_tiretread = m_mesh->createSubMesh();
//materials
m_submesh_wheelface->setMaterialName(face_material_name);
m_submesh_tiretread->setMaterialName(band_material_name);
// Define the vertices
size_t vertex_count = 4*nrays+2; // each ray needs 4 verts (2 for sidewalls and 2 for band). The axis needs an extra 2.
if (m_is_rimmed) // For truckfile sections "[mesh]wheels2".
{
vertex_count+=2*nrays; // 1 extra vertex for each sidewall.
}
m_vertices = new FlexMeshVertex[vertex_count];
m_vertex_nodes=(int*)malloc(vertex_count*sizeof(int));
//define node ids
m_vertex_nodes[0]=n1;
m_vertex_nodes[1]=n2;
int i;
for (i=0; i<nrays; i++)
{
//face
m_vertex_nodes[2+i*2]=nstart+i*2;
m_vertex_nodes[2+i*2+1]=nstart+i*2+1;
if (m_is_rimmed)
{
//band
m_vertex_nodes[2+2*nrays+i*2] = nstart+2*nrays+i*2;
m_vertex_nodes[2+2*nrays+i*2+1] = nstart+2*nrays+i*2+1;
//face2 (outer)
m_vertex_nodes[2+4*nrays+i*2] = nstart+2*nrays+i*2;
m_vertex_nodes[2+4*nrays+i*2+1] = nstart+2*nrays+i*2+1;
} else
{
//band
m_vertex_nodes[2+2*nrays+i*2] = nstart+i*2;
m_vertex_nodes[2+2*nrays+i*2+1] = nstart+i*2+1;
}
}
//textures coordinates
m_vertices[0].texcoord=Vector2(0.5, 0.5); // Axis vertices - texcoord is middle of the wheelface texture.
m_vertices[1].texcoord=Vector2(0.5, 0.5);
const bool odd_num_rays = (nrays % 2 == 0);
for (i=0; i<nrays; i++)
{
//band
int band_vert = 2+2*nrays+i*2;
if (i % 2 == 0) // Even index
{
if (odd_num_rays && ((i+1) == nrays))
{
// Finalize a wheel with odd number of rays like 'bombinette.load' in 'miniredmars' map.
m_vertices[band_vert].texcoord=Vector2(0.5, 0.0); // Stretch the texture over 2 quads instead of 1... ugly, but best we can do here
m_vertices[band_vert+1].texcoord=Vector2(0.5, 1.0);
}
else
{
m_vertices[band_vert].texcoord=Vector2(0.0, 0.0);
m_vertices[band_vert+1].texcoord=Vector2(0.0, 1.0);
}
}
else // Odd index
{
m_vertices[band_vert].texcoord=Vector2(1.0, 0.0);
m_vertices[band_vert+1].texcoord=Vector2(1.0, 1.0);
}
//face
if (m_is_rimmed)
{
m_vertices[2+i*2].texcoord=Vector2(0.5+0.5*rim_ratio*sin((float)i*2.0*3.14159/nrays), 0.5+0.5*rim_ratio*cos((float)i*2.0*3.14159/nrays));
m_vertices[2+i*2+1].texcoord=m_vertices[2+i*2].texcoord;
m_vertices[2+4*nrays+i*2].texcoord=Vector2(0.5+0.5*sin(((float)i+0.5)*2.0*3.14159/nrays), 0.5+0.5*cos(((float)i+0.5)*2.0*3.14159/nrays));
m_vertices[2+4*nrays+i*2+1].texcoord=m_vertices[2+4*nrays+i*2].texcoord;
} else
{
m_vertices[2+i*2].texcoord=Vector2(0.5+0.5*sin(i*2.0*3.14159/nrays), 0.5+0.5*cos(i*2.0*3.14159/nrays));
m_vertices[2+i*2+1].texcoord=m_vertices[2+i*2].texcoord;
}
}
// Define triangles
// The values in this table refer to vertices in the above table
size_t tiretread_num_indices = 3*2*nrays;
size_t wheelface_num_indices = 3*2*nrays;
if (m_is_rimmed) wheelface_num_indices=wheelface_num_indices*3;
m_wheelface_indices=(unsigned short*)malloc(wheelface_num_indices*sizeof(unsigned short));
m_tiretread_indices=(unsigned short*)malloc(tiretread_num_indices*sizeof(unsigned short));
for (i=0; i<nrays; i++)
{
//wheel sides
m_wheelface_indices[3*(i*2)]=0; m_wheelface_indices[3*(i*2)+1]=2+i*2; m_wheelface_indices[3*(i*2)+2]=2+((i+1)%nrays)*2;
m_wheelface_indices[3*(i*2+1)]=1; m_wheelface_indices[3*(i*2+1)+2]=2+i*2+1; m_wheelface_indices[3*(i*2+1)+1]=2+((i+1)%nrays)*2+1;
if (m_is_rimmed)
{
m_wheelface_indices[3*(i*4+0+2*nrays)]=2+i*2; m_wheelface_indices[3*(i*4+0+2*nrays)+1]=2+4*nrays+i*2; m_wheelface_indices[3*(i*4+0+2*nrays)+2]=2+((i+1)%nrays)*2;
m_wheelface_indices[3*(i*4+1+2*nrays)]=2+4*nrays+i*2; m_wheelface_indices[3*(i*4+1+2*nrays)+1]=2+4*nrays+((i+1)%nrays)*2; m_wheelface_indices[3*(i*4+1+2*nrays)+2]=2+((i+1)%nrays)*2;
m_wheelface_indices[3*(i*4+2+2*nrays)]=2+i*2+1; m_wheelface_indices[3*(i*4+2+2*nrays)+2]=2+4*nrays+i*2+1; m_wheelface_indices[3*(i*4+2+2*nrays)+1]=2+((i+1)%nrays)*2+1;
m_wheelface_indices[3*(i*4+3+2*nrays)]=2+4*nrays+i*2+1; m_wheelface_indices[3*(i*4+3+2*nrays)+2]=2+4*nrays+((i+1)%nrays)*2+1; m_wheelface_indices[3*(i*4+3+2*nrays)+1]=2+((i+1)%nrays)*2+1;
}
//wheel band
m_tiretread_indices[3*(i*2)]=2+2*nrays+i*2; m_tiretread_indices[3*(i*2)+1]=2+2*nrays+i*2+1; m_tiretread_indices[3*(i*2)+2]=2+2*nrays+((i+1)%nrays)*2;
m_tiretread_indices[3*(i*2+1)]=2+2*nrays+((i+1)%nrays)*2; m_tiretread_indices[3*(i*2+1)+2]=2+2*nrays+((i+1)%nrays)*2+1; m_tiretread_indices[3*(i*2+1)+1]=2+2*nrays+i*2+1;
}
//update coords
updateVertices();
// Create vertex data structure for 8 vertices shared between submeshes
m_mesh->sharedVertexData = new VertexData();
m_mesh->sharedVertexData->vertexCount = vertex_count;
// Create declaration (memory format) of vertex data
m_vertex_format = m_mesh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
m_vertex_format->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
m_vertex_format->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
// m_vertex_format->addElement(0, offset, VET_FLOAT3, VES_DIFFUSE);
// offset += VertexElement::getTypeSize(VET_FLOAT3);
m_vertex_format->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)
m_hw_vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, m_mesh->sharedVertexData->vertexCount, HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
// Upload the vertex data to the card
m_hw_vbuf->writeData(0, m_hw_vbuf->getSizeInBytes(), m_vertices, true);
// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
VertexBufferBinding* bind = m_mesh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, m_hw_vbuf);
//for the sideface
// Allocate index buffer of the requested number of vertices (ibufCount)
HardwareIndexBufferSharedPtr faceibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
wheelface_num_indices,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Upload the index data to the card
faceibuf->writeData(0, faceibuf->getSizeInBytes(), m_wheelface_indices, true);
// Set parameters of the submesh
m_submesh_wheelface->useSharedVertices = true;
m_submesh_wheelface->indexData->indexBuffer = faceibuf;
m_submesh_wheelface->indexData->indexCount = wheelface_num_indices;
m_submesh_wheelface->indexData->indexStart = 0;
//for the band
// Allocate index buffer of the requested number of vertices (ibufCount)
HardwareIndexBufferSharedPtr bandibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
tiretread_num_indices,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Upload the index data to the card
bandibuf->writeData(0, bandibuf->getSizeInBytes(), m_tiretread_indices, true);
// Set parameters of the submesh
m_submesh_tiretread->useSharedVertices = true;
m_submesh_tiretread->indexData->indexBuffer = bandibuf;
m_submesh_tiretread->indexData->indexCount = tiretread_num_indices;
m_submesh_tiretread->indexData->indexStart = 0;
// Set bounding information (for culling)
m_mesh->_setBounds(AxisAlignedBox(-1,-1,0,1,1,0), true);
m_mesh->load();
}
void createSphere(const std::string& strName, const float r, const int nRings = 16, const int nSegments = 16)
{
MeshPtr pSphere = MeshManager::getSingleton().createManual(strName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
SubMesh *pSphereVertex = pSphere->createSubMesh();
pSphere->sharedVertexData = new VertexData();
VertexData* vertexData = pSphere->sharedVertexData;
// define the vertex format
VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
size_t currOffset = 0;
// positions
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
// normals
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_NORMAL);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
// two dimensional texture coordinates
vertexDecl->addElement(0, currOffset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
currOffset += VertexElement::getTypeSize(VET_FLOAT2);
// allocate the vertex buffer
vertexData->vertexCount = (nRings + 1) * (nSegments + 1);
HardwareVertexBufferSharedPtr vBuf = HardwareBufferManager::getSingleton().createVertexBuffer(vertexDecl->getVertexSize(0), vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
VertexBufferBinding* binding = vertexData->vertexBufferBinding;
binding->setBinding(0, vBuf);
float* pVertex = static_cast<float*>(vBuf->lock(HardwareBuffer::HBL_DISCARD));
// allocate index buffer
pSphereVertex->indexData->indexCount = 6 * nRings * (nSegments + 1);
pSphereVertex->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(HardwareIndexBuffer::IT_16BIT, pSphereVertex->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
HardwareIndexBufferSharedPtr iBuf = pSphereVertex->indexData->indexBuffer;
unsigned short* pIndices = static_cast<unsigned short*>(iBuf->lock(HardwareBuffer::HBL_DISCARD));
float fDeltaRingAngle = (Math::PI / nRings);
float fDeltaSegAngle = (2 * Math::PI / nSegments);
unsigned short wVerticeIndex = 0;
// Generate the group of rings for the sphere
for (int ring = 0; ring <= nRings; ring++) {
float r0 = r * sinf(ring * fDeltaRingAngle);
float y0 = r * cosf(ring * fDeltaRingAngle);
// Generate the group of segments for the current ring
for (int seg = 0; seg <= nSegments; seg++) {
float x0 = r0 * sinf(seg * fDeltaSegAngle);
float z0 = r0 * cosf(seg * fDeltaSegAngle);
// Add one vertex to the strip which makes up the sphere
*pVertex++ = x0;
*pVertex++ = y0;
*pVertex++ = z0;
Vector3 vNormal = Vector3(x0, y0, z0).normalisedCopy();
*pVertex++ = vNormal.x;
*pVertex++ = vNormal.y;
*pVertex++ = vNormal.z;
*pVertex++ = (float)seg / (float)nSegments;
*pVertex++ = (float)ring / (float)nRings;
if (ring != nRings) {
// each vertex (except the last) has six indices pointing to it
*pIndices++ = wVerticeIndex + nSegments + 1;
*pIndices++ = wVerticeIndex;
*pIndices++ = wVerticeIndex + nSegments;
*pIndices++ = wVerticeIndex + nSegments + 1;
*pIndices++ = wVerticeIndex + 1;
*pIndices++ = wVerticeIndex;
wVerticeIndex++;
}
}; // end for seg
} // end for ring
// Unlock
vBuf->unlock();
iBuf->unlock();
// Generate face list
pSphereVertex->useSharedVertices = true;
// the original code was missing this line:
pSphere->_setBounds(AxisAlignedBox(Vector3(-r, -r, -r), Vector3(r, r, r)), false);
pSphere->_setBoundingSphereRadius(r);
// this line makes clear the mesh is loaded (avoids memory leaks)
pSphere->load();
}
//---------------------------------------------------------------------
void TangentSpaceCalc::insertTangents(Result& res,
VertexElementSemantic targetSemantic, unsigned short sourceTexCoordSet,
unsigned short index)
{
// Make a new tangents semantic or find an existing one
VertexDeclaration *vDecl = mVData->vertexDeclaration ;
VertexBufferBinding *vBind = mVData->vertexBufferBinding ;
const VertexElement *tangentsElem = vDecl->findElementBySemantic(targetSemantic, index);
bool needsToBeCreated = false;
VertexElementType tangentsType = mStoreParityInW ? VET_FLOAT4 : VET_FLOAT3;
if (!tangentsElem)
{ // no tex coords with index 1
needsToBeCreated = true ;
}
else if (tangentsElem->getType() != tangentsType)
{
// buffer exists, but not 3D
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"Target semantic set already exists but is not of the right size, therefore "
"cannot contain tangents. You should delete this existing entry first. ",
"TangentSpaceCalc::insertTangents");
}
HardwareVertexBufferSharedPtr targetBuffer, origBuffer;
unsigned char* pSrc = NULL;
if (needsToBeCreated)
{
// To be most efficient with our vertex streams,
// tack the new tangents onto the same buffer as the
// source texture coord set
const VertexElement* prevTexCoordElem =
mVData->vertexDeclaration->findElementBySemantic(
VES_TEXTURE_COORDINATES, sourceTexCoordSet);
if (!prevTexCoordElem)
{
OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND,
"Cannot locate the first texture coordinate element to "
"which to append the new tangents.",
"Mesh::orgagniseTangentsBuffer");
}
// Find the buffer associated with this element
origBuffer = mVData->vertexBufferBinding->getBuffer(
prevTexCoordElem->getSource());
// Now create a new buffer, which includes the previous contents
// plus extra space for the 3D coords
targetBuffer = HardwareBufferManager::getSingleton().createVertexBuffer(
origBuffer->getVertexSize() + VertexElement::getTypeSize(tangentsType),
origBuffer->getNumVertices(),
origBuffer->getUsage(),
origBuffer->hasShadowBuffer() );
// Add the new element
tangentsElem = &(vDecl->addElement(
prevTexCoordElem->getSource(),
origBuffer->getVertexSize(),
tangentsType,
targetSemantic,
index));
// Set up the source pointer
pSrc = static_cast<unsigned char*>(
origBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
// Rebind the new buffer
vBind->setBinding(prevTexCoordElem->getSource(), targetBuffer);
}
else
{
// space already there
origBuffer = mVData->vertexBufferBinding->getBuffer(
tangentsElem->getSource());
targetBuffer = origBuffer;
}
unsigned char* pDest = static_cast<unsigned char*>(
targetBuffer->lock(HardwareBuffer::HBL_DISCARD));
size_t origVertSize = origBuffer->getVertexSize();
size_t newVertSize = targetBuffer->getVertexSize();
for (size_t v = 0; v < origBuffer->getNumVertices(); ++v)
{
if (needsToBeCreated)
{
// Copy original vertex data as well
memcpy(pDest, pSrc, origVertSize);
pSrc += origVertSize;
}
// Write in the tangent
float* pTangent;
tangentsElem->baseVertexPointerToElement(pDest, &pTangent);
VertexInfo& vertInfo = mVertexArray[v];
*pTangent++ = vertInfo.tangent.x;
*pTangent++ = vertInfo.tangent.y;
*pTangent++ = vertInfo.tangent.z;
if (mStoreParityInW)
*pTangent++ = (float)vertInfo.parity;
// Next target vertex
pDest += newVertSize;
}
targetBuffer->unlock();
if (needsToBeCreated)
{
origBuffer->unlock();
}
}
FlexMeshWheel::FlexMeshWheel(
Ogre::String const & name,
node_t *nds,
int axis_node_1_index,
int axis_node_2_index,
int nstart,
int nrays,
Ogre::String const & mesh_name,
Ogre::String const & material_name,//char* texband,
float rimradius,
bool rimreverse,
MaterialFunctionMapper *material_function_mapper, // *mfm
Skin *used_skin, // *usedSkin,
MaterialReplacer *material_replacer // *mr
) :
id0(axis_node_1_index)
, id1(axis_node_2_index)
, idstart(nstart)
, mr(material_replacer)
, nbrays(nrays)
, nodes(nds)
, revrim(rimreverse)
, rim_radius(rimradius)
{
//the rim object
std::stringstream rim_name;
rim_name << "rim-" << name;
rimEnt = gEnv->sceneManager->createEntity(rim_name.str(), mesh_name);
MaterialFunctionMapper::replaceSimpleMeshMaterials(rimEnt, ColourValue(0, 0.5, 0.8));
if (material_function_mapper != nullptr)
{
material_function_mapper->replaceMeshMaterials(rimEnt);
}
if (material_replacer != nullptr)
{
material_replacer->replaceMeshMaterials(rimEnt);
}
if (used_skin != nullptr)
{
used_skin->replaceMeshMaterials(rimEnt);
}
rnode=gEnv->sceneManager->getRootSceneNode()->createChildSceneNode();
rnode->attachObject(rimEnt);
/// Create the mesh via the MeshManager
msh = MeshManager::getSingleton().createManual(name, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,new ResourceBuffer());
/// Create submeshes
sub = msh->createSubMesh();
//materials
sub->setMaterialName(material_name);
/// Define the vertices
nVertices = 6*(nrays+1);
vbufCount = (2*3+2)*nVertices;
vertices=(float*)malloc(vbufCount*sizeof(float));
//shadow
shadownorvertices=(float*)malloc(nVertices*(3+2)*sizeof(float));
shadowposvertices=(float*)malloc(nVertices*3*2*sizeof(float));
int i;
//textures coordinates
for (i=0; i<nrays+1; i++)
{
covertices[i*6 ].texcoord=Vector2((float)i/(float)nrays, 0.00f);
covertices[i*6+1 ].texcoord=Vector2((float)i/(float)nrays, 0.23f);
covertices[i*6+2 ].texcoord=Vector2((float)i/(float)nrays, 0.27f);
covertices[i*6+3 ].texcoord=Vector2((float)i/(float)nrays, 0.73f);
covertices[i*6+4 ].texcoord=Vector2((float)i/(float)nrays, 0.77f);
covertices[i*6+5 ].texcoord=Vector2((float)i/(float)nrays, 1.00f);
}
/// Define triangles
/// The values in this table refer to vertices in the above table
ibufCount = 3*10*nrays;
faces=(unsigned short*)malloc(ibufCount*sizeof(unsigned short));
for (i=0; i<nrays; i++)
{
faces[3*(i*10 )]=i*6; faces[3*(i*10 )+1]=i*6+1; faces[3*(i*10 )+2]=(i+1)*6;
faces[3*(i*10+1)]=i*6+1; faces[3*(i*10+1)+1]=(i+1)*6+1; faces[3*(i*10+1)+2]=(i+1)*6;
faces[3*(i*10+2)]=i*6+1; faces[3*(i*10+2)+1]=i*6+2; faces[3*(i*10+2)+2]=(i+1)*6+1;
faces[3*(i*10+3)]=i*6+2; faces[3*(i*10+3)+1]=(i+1)*6+2; faces[3*(i*10+3)+2]=(i+1)*6+1;
faces[3*(i*10+4)]=i*6+2; faces[3*(i*10+4)+1]=i*6+3; faces[3*(i*10+4)+2]=(i+1)*6+2;
faces[3*(i*10+5)]=i*6+3; faces[3*(i*10+5)+1]=(i+1)*6+3; faces[3*(i*10+5)+2]=(i+1)*6+2;
faces[3*(i*10+6)]=i*6+3; faces[3*(i*10+6)+1]=i*6+4; faces[3*(i*10+6)+2]=(i+1)*6+3;
faces[3*(i*10+7)]=i*6+4; faces[3*(i*10+7)+1]=(i+1)*6+4; faces[3*(i*10+7)+2]=(i+1)*6+3;
faces[3*(i*10+8)]=i*6+4; faces[3*(i*10+8)+1]=i*6+5; faces[3*(i*10+8)+2]=(i+1)*6+4;
faces[3*(i*10+9)]=i*6+5; faces[3*(i*10+9)+1]=(i+1)*6+5; faces[3*(i*10+9)+2]=(i+1)*6+4;
}
normy=1.0;
//update coords
updateVertices();
//compute normy;
normy=((covertices[0].vertex-covertices[1].vertex).crossProduct(covertices[1].vertex-covertices[6+1].vertex)).length();
//recompute for normals
updateVertices();
/// 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
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)
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);
//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(), faces, true);
/// Set parameters of the submesh
sub->useSharedVertices = true;
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = ibufCount;
sub->indexData->indexStart = 0;
/// Set bounding information (for culling)
msh->_setBounds(AxisAlignedBox(-1,-1,0,1,1,0), true);
//msh->_setBoundingSphereRadius(Math::Sqrt(1*1+1*1));
/// Notify Mesh object that it has been loaded
//msh->buildTangentVectors();
/*unsigned short src, dest;
if (!msh->suggestTangentVectorBuildParams(src, dest))
{
msh->buildTangentVectors(src, dest);
}
*/
msh->load();
//msh->touch();
// msh->load();
//msh->buildEdgeList();
}
void ThingRenderable::initialise()
{
// Fill array with randomly oriented quads
Vector3 ax, ay, az;
Quaternion q;
things.clear(); orbits.clear();
for(size_t x=0; x<mCount; x++)
{
ax = Vector3(Math::SymmetricRandom(), Math::SymmetricRandom(), Math::SymmetricRandom());
ay = Vector3(Math::SymmetricRandom(), Math::SymmetricRandom(), Math::SymmetricRandom());
az = ax.crossProduct(ay);
ay = az.crossProduct(ax);
ax.normalise(); ay.normalise(); az.normalise();
q.FromAxes(ax, ay, az);
//std::cerr << ax.dotProduct(ay) << " " << ay.dotProduct(az) << " " << az.dotProduct(ax) << std::endl;
things.push_back(q);
ax = Vector3(Math::SymmetricRandom(), Math::SymmetricRandom(), Math::SymmetricRandom());
ay = Vector3(Math::SymmetricRandom(), Math::SymmetricRandom(), Math::SymmetricRandom());
az = ax.crossProduct(ay);
ay = az.crossProduct(ax);
ax.normalise(); ay.normalise(); az.normalise();
q.FromAxes(ax, ay, az);
orbits.push_back(q);
}
// Create buffers
size_t nvertices = mCount*4; // n+1 planes
//size_t elemsize = 2*3; // position, normal
//size_t dsize = elemsize*nvertices;
Ogre::IndexData *idata = new Ogre::IndexData();
Ogre::VertexData *vdata = new Ogre::VertexData();
// Quads
unsigned short *faces = new unsigned short[mCount*6];
for(uint16 x=0; x<uint16(mCount); 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+0;
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);
vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, nvertices, HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
bind->setBinding(0, vbuf);
//vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
mCount*6,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
idata->indexBuffer = ibuf;
idata->indexCount = mCount*6;
idata->indexStart = 0;
ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);
// Delete temporary buffers
delete [] faces;
// Now make the render operation
mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
mRenderOp.indexData = idata;
mRenderOp.vertexData = vdata;
mRenderOp.useIndexes = true;
}
//---------------------------------------------------------------------
void TangentSpaceCalc::extendBuffers(VertexSplits& vertexSplits)
{
if (!vertexSplits.empty())
{
// ok, need to increase the vertex buffer size, and alter some indexes
// vertex buffers first
VertexBufferBinding* newBindings = HardwareBufferManager::getSingleton().createVertexBufferBinding();
const VertexBufferBinding::VertexBufferBindingMap& bindmap =
mVData->vertexBufferBinding->getBindings();
for (VertexBufferBinding::VertexBufferBindingMap::const_iterator i =
bindmap.begin(); i != bindmap.end(); ++i)
{
HardwareVertexBufferSharedPtr srcbuf = i->second;
// Derive vertex count from buffer not vertex data, in case using
// the vertexStart option in vertex data
size_t newVertexCount = srcbuf->getNumVertices() + vertexSplits.size();
// Create new buffer & bind
HardwareVertexBufferSharedPtr newBuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
srcbuf->getVertexSize(), newVertexCount, srcbuf->getUsage(),
srcbuf->hasShadowBuffer());
newBindings->setBinding(i->first, newBuf);
// Copy existing contents (again, entire buffer, not just elements referenced)
newBuf->copyData(*(srcbuf.get()), 0, 0, srcbuf->getNumVertices() * srcbuf->getVertexSize(), true);
// Split vertices, read / write from new buffer
char* pBase = static_cast<char*>(newBuf->lock(HardwareBuffer::HBL_NORMAL));
for (VertexSplits::iterator spliti = vertexSplits.begin();
spliti != vertexSplits.end(); ++spliti)
{
const char* pSrcBase = pBase + spliti->first * newBuf->getVertexSize();
char* pDstBase = pBase + spliti->second * newBuf->getVertexSize();
memcpy(pDstBase, pSrcBase, newBuf->getVertexSize());
}
newBuf->unlock();
}
// Update vertex data
// Increase vertex count according to num splits
mVData->vertexCount += vertexSplits.size();
// Flip bindings over to new buffers (old buffers released)
HardwareBufferManager::getSingleton().destroyVertexBufferBinding(mVData->vertexBufferBinding);
mVData->vertexBufferBinding = newBindings;
// If vertex size requires 32bit index buffer
if (mVData->vertexCount > 65536)
{
for (size_t i = 0; i < mIDataList.size(); ++i)
{
// check index size
IndexData* idata = mIDataList[i];
HardwareIndexBufferSharedPtr srcbuf = idata->indexBuffer;
if (srcbuf->getType() == HardwareIndexBuffer::IT_16BIT)
{
size_t indexCount = srcbuf->getNumIndexes();
// convert index buffer to 32bit.
HardwareIndexBufferSharedPtr newBuf =
HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_32BIT, indexCount,
srcbuf->getUsage(), srcbuf->hasShadowBuffer());
uint16* pSrcBase = static_cast<uint16*>(srcbuf->lock(HardwareBuffer::HBL_NORMAL));
uint32* pBase = static_cast<uint32*>(newBuf->lock(HardwareBuffer::HBL_NORMAL));
size_t j = 0;
while (j < indexCount)
{
*pBase++ = *pSrcBase++;
++j;
}
srcbuf->unlock();
newBuf->unlock();
// assign new index buffer.
idata->indexBuffer = newBuf;
}
}
}
}
}
