//-----------------------------------------------------------------------------
MeshPtr ManualObject::convertToMesh(const String& meshName, const String& groupName)
{
if (mCurrentSection)
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"You cannot call convertToMesh() whilst you are in the middle of "
"defining the object; call end() first.",
"ManualObject::convertToMesh");
}
if (mSectionList.empty())
{
OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS,
"No data defined to convert to a mesh.",
"ManualObject::convertToMesh");
}
MeshPtr m = MeshManager::getSingleton().createManual(meshName, groupName);
for (SectionList::iterator i = mSectionList.begin(); i != mSectionList.end(); ++i)
{
ManualObjectSection* sec = *i;
RenderOperation* rop = sec->getRenderOperation();
SubMesh* sm = m->createSubMesh();
sm->useSharedVertices = false;
sm->operationType = rop->operationType;
sm->setMaterialName(sec->getMaterialName(), groupName);
// Copy vertex data; replicate buffers too
sm->vertexData = rop->vertexData->clone(true);
// Copy index data; replicate buffers too; delete the default, old one to avoid memory leaks
// check if index data is present
if (rop->indexData)
{
// Copy index data; replicate buffers too; delete the default, old one to avoid memory leaks
OGRE_DELETE sm->indexData;
sm->indexData = rop->indexData->clone(true);
}
}
// update bounds
m->_setBounds(mAABB);
m->_setBoundingSphereRadius(mRadius);
m->load();
return m;
}
void GeomUtils::createCone(const Ogre::String& strName , float radius , float height, int nVerticesInBase)
{
MeshPtr pCone = MeshManager::getSingleton().createManual(strName, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
SubMesh *pConeVertex = pCone->createSubMesh();
pCone->sharedVertexData = new VertexData();
createCone(pCone->sharedVertexData, pConeVertex->indexData
, radius
, height
, nVerticesInBase);
// Generate face list
pConeVertex->useSharedVertices = true;
// the original code was missing this line:
pCone->_setBounds( AxisAlignedBox(
Vector3(-radius, 0, -radius),
Vector3(radius, height, radius) ), false );
pCone->_setBoundingSphereRadius(Math::Sqrt(height*height + radius*radius));
// this line makes clear the mesh is loaded (avoids memory leaks)
pCone->load();
}
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();
}
/* *******************************************************************************
| implement of CGrassSticks
******************************************************************************* */
void
CGrassSticks::createGrassMesh()
{
MeshPtr mesh = MeshManager::getSingleton().createManual(GRASS_MESH_NAME, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
// create a submesh with the grass material
SubMesh* sm = mesh->createSubMesh();
sm->setMaterialName("Examples/GrassBlades");
sm->useSharedVertices = false;
sm->vertexData = OGRE_NEW VertexData();
sm->vertexData->vertexStart = 0;
sm->vertexData->vertexCount = 12;
sm->indexData->indexCount = 18;
// specify a vertex format declaration for our mesh: 3 floats for position, 3 floats for normal, 2 floats for UV
VertexDeclaration* decl = sm->vertexData->vertexDeclaration;
decl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
decl->addElement(0, sizeof(float) * 3, VET_FLOAT3, VES_NORMAL);
decl->addElement(0, sizeof(float) * 6, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
// create a vertex buffer
HardwareVertexBufferSharedPtr vb = HardwareBufferManager::getSingleton().createVertexBuffer
(decl->getVertexSize(0), sm->vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
GrassVertex* verts = (GrassVertex*)vb->lock(HardwareBuffer::HBL_DISCARD); // start filling in vertex data
for (unsigned int i = 0; i < 3; i++) // each grass mesh consists of 3 planes
{
// planes intersect along the Y axis with 60 degrees between them
Real x = Math::Cos(Degree(i * 60)) * GRASS_WIDTH / 2;
Real z = Math::Sin(Degree(i * 60)) * GRASS_WIDTH / 2;
for (unsigned int j = 0; j < 4; j++) // each plane has 4 vertices
{
GrassVertex& vert = verts[i * 4 + j];
vert.x = j < 2 ? -x : x;
vert.y = j % 2 ? 0 : GRASS_HEIGHT;
vert.z = j < 2 ? -z : z;
// all normals point straight up
vert.nx = 0;
vert.ny = 1;
vert.nz = 0;
vert.u = j < 2 ? 0 : 1;
vert.v = j % 2;
}
}
vb->unlock(); // commit vertex changes
sm->vertexData->vertexBufferBinding->setBinding(0, vb); // bind vertex buffer to our submesh
// create an index buffer
sm->indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer
(HardwareIndexBuffer::IT_16BIT, sm->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// start filling in index data
Ogre::uint16* indices = (Ogre::uint16*)sm->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD);
for (unsigned int i = 0; i < 3; i++) // each grass mesh consists of 3 planes
{
unsigned int off = i * 4; // each plane consists of 2 triangles
*indices++ = 0 + off;
*indices++ = 3 + off;
*indices++ = 1 + off;
*indices++ = 0 + off;
*indices++ = 2 + off;
*indices++ = 3 + off;
}
sm->indexData->indexBuffer->unlock(); // commit index changes
// update mesh AABB
Ogre::AxisAlignedBox aabb;
aabb.setExtents(-1,-1,-1,1,1,1);
mesh->_setBounds(aabb);
// Ogre::MeshSerializer serial;
// serial.exportMesh(mesh.getPointer(), "grass.mesh");
}
Mesh *GrassLoader::generateGrass_SPRITE(PageInfo &page, GrassLayer *layer, float *grassPositions, unsigned int grassCount)
{
//Calculate the number of quads to be added
unsigned int quadCount;
quadCount = grassCount;
// check for overflows of the uint16's
unsigned int maxUInt16 = std::numeric_limits<uint16>::max();
if(grassCount > maxUInt16)
{
LogManager::getSingleton().logMessage("grass count overflow: you tried to use more than " + StringConverter::toString(maxUInt16) + " (thats the maximum) grass meshes for one page");
return 0;
}
if(quadCount > maxUInt16)
{
LogManager::getSingleton().logMessage("quad count overflow: you tried to use more than " + StringConverter::toString(maxUInt16) + " (thats the maximum) grass meshes for one page");
return 0;
}
//Create manual mesh to store grass quads
MeshPtr mesh = MeshManager::getSingleton().createManual(getUniqueID(), ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
SubMesh *subMesh = mesh->createSubMesh();
subMesh->useSharedVertices = false;
//Setup vertex format information
subMesh->vertexData = new VertexData;
subMesh->vertexData->vertexStart = 0;
subMesh->vertexData->vertexCount = 4 * quadCount;
VertexDeclaration* dcl = subMesh->vertexData->vertexDeclaration;
size_t offset = 0;
dcl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
dcl->addElement(0, offset, VET_FLOAT4, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT4);
dcl->addElement(0, offset, VET_COLOUR, VES_DIFFUSE);
offset += VertexElement::getTypeSize(VET_COLOUR);
dcl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES);
offset += VertexElement::getTypeSize(VET_FLOAT2);
//Populate a new vertex buffer with grass
HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton()
.createVertexBuffer(offset, subMesh->vertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
float* pReal = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
//Calculate size variance
float rndWidth = layer->maxWidth - layer->minWidth;
float rndHeight = layer->maxHeight - layer->minHeight;
float minY = Math::POS_INFINITY, maxY = Math::NEG_INFINITY;
float *posPtr = grassPositions; //Position array "iterator"
for (uint16 i = 0; i < grassCount; ++i)
{
//Get the x and z positions from the position array
float x = *posPtr++;
float z = *posPtr++;
//Calculate height
float y;
if (heightFunction){
y = heightFunction(x, z, heightFunctionUserData);
} else {
y = 0;
}
float x1 = (x - page.centerPoint.x);
float z1 = (z - page.centerPoint.z);
//Get the color at the grass position
uint32 color;
if (layer->colorMap)
color = layer->colorMap->getColorAt(x, z, layer->mapBounds);
else
color = 0xFFFFFFFF;
//Calculate size
float rnd = *posPtr++; //The same rnd value is used for width and height to maintain aspect ratio
float halfXScale = (layer->minWidth + rndWidth * rnd) * 0.5f;
float scaleY = (layer->minHeight + rndHeight * rnd);
//Randomly mirror grass textures
float uvLeft, uvRight;
if (*posPtr++ > 0.5f){
uvLeft = 0;
uvRight = 1;
} else {
uvLeft = 1;
uvRight = 0;
}
//Add vertices
*pReal++ = x1; *pReal++ = y; *pReal++ = z1; //center position
*pReal++ = -halfXScale; *pReal++ = scaleY; *pReal++ = 0; *pReal++ = 0; //normal (used to store relative corner positions)
*((uint32*)pReal++) = color; //color
*pReal++ = uvLeft; *pReal++ = 0; //uv
*pReal++ = x1; *pReal++ = y; *pReal++ = z1; //center position
*pReal++ = +halfXScale; *pReal++ = scaleY; *pReal++ = 0; *pReal++ = 0; //normal (used to store relative corner positions)
*((uint32*)pReal++) = color; //color
*pReal++ = uvRight; *pReal++ = 0; //uv
*pReal++ = x1; *pReal++ = y; *pReal++ = z1; //center position
*pReal++ = -halfXScale; *pReal++ = 0.0f; *pReal++ = 0; *pReal++ = 0; //normal (used to store relative corner positions)
*((uint32*)pReal++) = color; //color
*pReal++ = uvLeft; *pReal++ = 1; //uv
*pReal++ = x1; *pReal++ = y; *pReal++ = z1; //center position
*pReal++ = +halfXScale; *pReal++ = 0.0f; *pReal++ = 0; *pReal++ = 0; //normal (used to store relative corner positions)
*((uint32*)pReal++) = color; //color
*pReal++ = uvRight; *pReal++ = 1; //uv
//Update bounds
if (y < minY) minY = y;
if (y + scaleY > maxY) maxY = y + scaleY;
}
vbuf->unlock();
subMesh->vertexData->vertexBufferBinding->setBinding(0, vbuf);
//Populate index buffer
subMesh->indexData->indexStart = 0;
subMesh->indexData->indexCount = 6 * quadCount;
subMesh->indexData->indexBuffer = HardwareBufferManager::getSingleton()
.createIndexBuffer(HardwareIndexBuffer::IT_16BIT, subMesh->indexData->indexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
uint16* pI = static_cast<uint16*>(subMesh->indexData->indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
for (uint16 i = 0; i < quadCount; ++i)
{
uint16 offset = i * 4;
*pI++ = 0 + offset;
*pI++ = 2 + offset;
*pI++ = 1 + offset;
*pI++ = 1 + offset;
*pI++ = 2 + offset;
*pI++ = 3 + offset;
}
subMesh->indexData->indexBuffer->unlock();
//subMesh->setBuildEdgesEnabled(autoEdgeBuildEnabled);
//Finish up mesh
AxisAlignedBox bounds(page.bounds.left - page.centerPoint.x, minY, page.bounds.top - page.centerPoint.z,
page.bounds.right - page.centerPoint.x, maxY, page.bounds.bottom - page.centerPoint.z);
mesh->_setBounds(bounds);
Vector3 temp = bounds.getMaximum() - bounds.getMinimum();
mesh->_setBoundingSphereRadius(temp.length() * 0.5f);
LogManager::getSingleton().setLogDetail(static_cast<LoggingLevel>(0));
mesh->setAutoBuildEdgeLists(autoEdgeBuildEnabled);
mesh->load();
LogManager::getSingleton().setLogDetail(LL_NORMAL);
//Apply grass material to mesh
subMesh->setMaterialName(layer->material->getName());
//Return the mesh
return mesh.getPointer();
}
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();
}
MeshPtr MeshMergeTool::merge(const Ogre::String& name, const Ogre::String& resourceGroupName)
{
print("Baking: New Mesh started", V_HIGH);
MeshPtr mp = MeshManager::getSingleton().createManual(name, resourceGroupName);
if (!mBaseSkeleton.isNull())
{
mp->setSkeletonName(mBaseSkeleton->getName());
}
AxisAlignedBox totalBounds = AxisAlignedBox();
for (std::vector<Ogre::MeshPtr>::iterator it = mMeshes.begin(); it != mMeshes.end(); ++it)
{
print("Baking: adding submeshes for " + (*it)->getName(), V_HIGH);
// insert all submeshes
for (Ogre::ushort sid = 0; sid < (*it)->getNumSubMeshes(); ++sid)
{
SubMesh* sub = (*it)->getSubMesh(sid);
const String name = findSubmeshName((*it), sid);
// create submesh with correct name
SubMesh* newsub;
if (name.length() == 0)
{
newsub = mp->createSubMesh();
}
else
{
/// @todo check if a submesh with this name has been created before
newsub = mp->createSubMesh(name);
}
newsub->useSharedVertices = sub->useSharedVertices;
// add index
newsub->indexData = sub->indexData->clone();
// add geometry
if (!newsub->useSharedVertices)
{
newsub->vertexData = sub->vertexData->clone();
if (!mBaseSkeleton.isNull())
{
// build bone assignments
SubMesh::BoneAssignmentIterator bit = sub->getBoneAssignmentIterator();
while (bit.hasMoreElements())
{
VertexBoneAssignment vba = bit.getNext();
newsub->addBoneAssignment(vba);
}
}
}
newsub->setMaterialName(sub->getMaterialName());
// Add vertex animations for this submesh
Animation *anim = 0;
for (unsigned short i = 0; i < (*it)->getNumAnimations(); ++i)
{
anim = (*it)->getAnimation(i);
// get or create the animation for the new mesh
Animation *newanim;
if (mp->hasAnimation(anim->getName()))
{
newanim = mp->getAnimation(anim->getName());
}
else
{
newanim = mp->createAnimation(anim->getName(), anim->getLength());
}
print("Baking: adding vertex animation "
+ anim->getName() + " for " + (*it)->getName(), V_HIGH);
Animation::VertexTrackIterator vti=anim->getVertexTrackIterator();
while (vti.hasMoreElements())
{
VertexAnimationTrack *vt = vti.getNext();
// handle=0 targets the main mesh, handle i (where i>0) targets submesh i-1.
// In this case there are only submeshes so index 0 will not be used.
unsigned short handle = mp->getNumSubMeshes();
VertexAnimationTrack* newvt = newanim->createVertexTrack(
handle,
vt->getAssociatedVertexData()->clone(),
vt->getAnimationType());
for (int keyFrameIndex = 0; keyFrameIndex < vt->getNumKeyFrames();
++keyFrameIndex)
{
switch (vt->getAnimationType())
{
case VAT_MORPH:
{
// copy the keyframe vertex buffer
VertexMorphKeyFrame *kf =
vt->getVertexMorphKeyFrame(keyFrameIndex);
VertexMorphKeyFrame *newkf =
newvt->createVertexMorphKeyFrame(kf->getTime());
// This creates a ref to the buffer in the original model
// so don't delete it until the export is completed.
newkf->setVertexBuffer(kf->getVertexBuffer());
break;
}
case VAT_POSE:
{
/// @todo implement pose amination merge
break;
}
case VAT_NONE:
default:
{
break;
}
}
}
}
}
print("Baking: adding submesh '" +
name + "' with material " + sub->getMaterialName(), V_HIGH);
}
// sharedvertices
if ((*it)->sharedVertexData)
{
/// @todo merge with existing sharedVertexData
if (!mp->sharedVertexData)
{
mp->sharedVertexData = (*it)->sharedVertexData->clone();
}
if (!mBaseSkeleton.isNull())
{
Mesh::BoneAssignmentIterator bit = (*it)->getBoneAssignmentIterator();
while (bit.hasMoreElements())
{
VertexBoneAssignment vba = bit.getNext();
mp->addBoneAssignment(vba);
}
}
}
print("Baking: adding bounds for " + (*it)->getName(), V_HIGH);
// add bounds
totalBounds.merge((*it)->getBounds());
}
mp->_setBounds(totalBounds);
/// @todo merge submeshes with same material
/// @todo add parameters
mp->buildEdgeList();
print("Baking: Finished", V_HIGH);
reset();
return mp;
}
void SplineRoad::RebuildRoadInt(bool editorAlign)
{
if (!rebuild && !editorAlign) return;
rebuild = false;
// segments range
int segs = getNumPoints();
if (segs == 0 || segs == 1) return;
using std::vector; using std::min; using std::max;
UpdRot(); //
if (vSegs.size() != segs || editorAlign)
iDirtyId = -1; // force full
int sMin = 0, sMax = segs;
// update 4 segs only (fast)
if (iDirtyId != -1 && segs >= 4)
{
// else !isLooped case ...
sMin =/* max(0,*/ iDirtyId-2;
sMax =/* min(segs,*/ iDirtyId+2;
}
// full rebuild
QTimer ti; ti.update(); /// time
if (iDirtyId == -1)
{
DestroyRoad();
for (int seg=0; seg < segs; ++seg)
{
RoadSeg rs; rs.empty = true;
vSegs.push_back(rs);
}
}
/// Auto angles prepass ...
if (segs > 2)
for (int seg=0; seg < segs; ++seg)
{
//int seg1 = (seg+1) % segs; // next
int seg0 = (seg-1+segs) % segs; // prev
if (mP[seg].aType == AT_Manual)
{ mP[seg].aYaw = mP[seg].mYaw; mP[seg].aRoll = mP[seg].mRoll; }
else
{ mP[seg].aRoll = 0.f;
/// ... roll getangle?, +180 loops?, len
const Real dist = 0.1f;
Vector3 vl = GetLenDir(seg, 0.f, dist) + GetLenDir(seg0, 1.f-dist, 1.f); //vl.normalise();
Vector3 vw = Vector3(vl.z, 0.f, -vl.x); //vw.normalise();
mP[seg].aYaw = GetAngle(vw.x, vw.z) *180.f/PI_d;
if (mP[seg].aType == AT_Both)
{ mP[seg].aYaw += mP[seg].mYaw; mP[seg].aRoll += mP[seg].mRoll; }
}
}
///--------------------------------------------------------------------------------------------------------------------------
/// LOD
///--------------------------------------------------------------------------------------------------------------------------
//> data at lod 0
vector<int> viLSteps0;
vector<Real> vSegTc0;
vector<Vector3> vnSeg0; // normals
const int lodDivs[LODs] = {1,2,4,8};
for (int lod = 0; lod < LODs; ++lod)
{
int lodDiv = lodDivs[lod];
Real lenDiv = lenDiv0 * lodDiv;
LogR("LOD: "+toStr(lod)+" ---");
/// segment data pre pass
//---------------------------------------------------------------------------------------
//> data at cur lod
vector<int> viL, viW; // vi num steps for seg Length/Width
vector<int> vbSegMrg; // bool 0 if seg merged, 1 if new
vector<Real> vSegTc, vSegLen;
vector<Vector3> vwSeg;
vector<vector <int> > viwLS; // width steps per length point, for each seg
vector<int> viwEq; // 1 if equal width steps at whole length, in seg
Real sumLenMrg = 0.f, ltc = 0.f; int mrgGrp = 0; //# stats
Real roadLen = 0.f, rdOnT = 0.f, rdPipe = 0.f,
avgWidth = 0.f, stMaxH = FLT_MIN, stMinH = FLT_MAX;
//if (lod == 0)?
LogR("--- seg prepass ---");
for (int seg=0; seg < segs; ++seg)
{
int seg1 = (seg+1) % segs; // next
int seg0 = (seg-1+segs) % segs; // prev
// width steps --
Real sp = mP[seg].pipe, sp1 = mP[seg1].pipe, sp0 = mP[seg0].pipe;
Real p = sp * iwPmul, pl = max(sp, sp1)* iwPmul/4;
if (p < 0.f) p = 1.f; else p = 1.f + p;
if (pl< 0.f) pl= 1.f; else pl= 1.f + pl;
int iw = max(1, (int)(p * iw0 / lodDiv)); //* wid/widDiv..
viW.push_back(iw);
int iwl = max(1, (int)(pl * iw0 / lodDiv));
// length steps |
Real len = GetSegLen(seg);
int il = int(len / lenDiv) / iwl * iwl + iwl;
Real la = 1.f / il;
viL.push_back(il);
vSegLen.push_back(len);
roadLen += len; //#
if (sp > 0.f || sp1 > 0.f)
rdPipe += len; //#
///- Merge conditions
sumLenMrg += len;
// mtr changes
int hid = mP[seg].idMtr, hid1 = mP[seg1].idMtr, hid0 = mP[seg0].idMtr;
LogR(toStr(sp0) + " " + toStr(sp) + " " + toStr(sp1));
// merge road and pipe segs, don't merge transitions
if (sp != sp1 || sp != sp0 || hid != hid1 || hid != hid0)
{ sumLenMrg = 0.f; ++mrgGrp;
vbSegMrg.push_back(1);
}
else // onTer change
if (mP[seg].onTer != mP[seg1].onTer || mP[seg].onTer != mP[seg0].onTer)
{ sumLenMrg = 0.f; ++mrgGrp;
vbSegMrg.push_back(1);
}
else if (sumLenMrg >= setMrgLen)
{ sumLenMrg -= setMrgLen; ++mrgGrp;
vbSegMrg.push_back(1); // bNew
}else
vbSegMrg.push_back(0); // merged
LogR("seg "+toStr(seg)+" iw "+toStr(iw)+" il "+toStr(il)+" pp "+toStr(sp));
if (lod==0)
viLSteps0.push_back(il);
/// length <dir> |
Vector3 vl = GetLenDir(seg, 0, la), vw; vl.normalise();
Real ay = mP[seg].aYaw, ar = mP[seg].aRoll;
/// width <dir> ---
if (mP[seg].onTer && mP[seg1].onTer) // perpendicular on xz
{ vw = Vector3(vl.z, 0, -vl.x); vw.normalise();
//mP[seg].angle = atan2(vl.z, -vl.x)*180.f/PI_d+90.f; // set yaw..
}else
vw = GetRot(ay,ar); // from angles
/// normal <dir> /
if (lod == 0)
{ Vector3 vn = vl.crossProduct(vw); vn.normalise();
//if (vn.y < 0.f) vn = -vn; // always up y+
vnSeg0.push_back(vn);
}
Real wiMul = mP[seg].width;
if (editorAlign) // wider road for align terrain tool
wiMul = wiMul*edWmul + edWadd;
vw *= wiMul;
vwSeg.push_back(vw);
avgWidth += mP[seg].width * len; //#
if (!mP[seg].onTer || !mP[seg1].onTer)
rdOnT += len; //#
// tcs seg il* len
Real l = 0.f;
for (int i = 0; i < il; ++i) // length +1
{
// length dir
Vector3 vl = GetLenDir(seg, l, l+la);
l += la; ltc += vl.length();
}
vSegTc.push_back(ltc);
if (lod == 0) vSegTc0.push_back(ltc);
}
LogR("--- seg prepass2 viwLS ---");
for (int seg=0; seg < segs; ++seg)
{
int seg1 = (seg+1) % segs; // next
int il = viL[seg];
vector<int> viwL;
// width steps per lenght point in cur seg
int iw0 = viW[seg], iw1 = viW[seg1];
//String ss="";
for (int i = -1; i <= il+1; ++i) // length +1 +2-gap
{
int ii = max(0, min(il, i));
int iw = iw0 + (int)( Real(ii)/Real(il) * (iw1-iw0) );
//if (i==0 || i == il)
// ss += toStr(iw)+" ";
viwL.push_back(iw);
}
int eq = iw1==iw0 ? 1 : 0;
viwEq.push_back(eq);
viwLS.push_back(viwL);
//if (!eq) vbSegMrg[seg] = 1;
//LogR("seg "+toStr(seg)+" >> "+ss);
}
//# stats at lod0, whole road
bool stats = lod == 0 && iDirtyId == -1;
if (stats)
{ st.Length = roadLen; st.WidthAvg = avgWidth / roadLen;
st.OnTer = rdOnT / roadLen * 100.f; st.Pipes = rdPipe / roadLen * 100.f;
segsMrg = mrgGrp;
}
//--------------------------------------------------------------------------------------------------------------------------
/// segment
//--------------------------------------------------------------------------------------------------------------------------
//> mesh data W-wall C-column
vector<Vector4> clr0/*empty*/, clr;
vector<Vector3> pos,norm, posW,normW, posC,normC, posLod;
vector<Vector2> tcs, tcsW, tcsC;
Real tc1 = 0; ltc = 0;
int iLmrg = 0, iLmrgW = 0, iLmrgC = 0;
Vector3 vlOld;
int sNum = sMax - sMin, segM = sMin;//, sNumO = sNum;
while (sNum > 0)
{
int seg = (segM + segs) % segs; // iterator
int seg1 = (seg+1) % segs; // next
//if (lod == 0)
//LogR("[Seg] cur: " + toStr(seg) + "/" + toStr(sNumO) + " all:" + toStr(segs));/**/
// on terrain (whole seg)
bool onTer = mP[seg].onTer && mP[seg1].onTer;
// on merging segs only for game in whole road rebuild
// off for editor (partial, 4segs rebuild)
bool bNew = true, bNxt = true;
if (bMerge)
{
bNew = (segM == sMin/*1st*/) || vbSegMrg[seg];
bNxt = (segM+1 == sMax/*last*/) || vbSegMrg[seg1]; // next is new
}
if (bNew) //> new seg data
{ iLmrg = 0; iLmrgW = 0; iLmrgC = 0;
pos.clear(); norm.clear(); tcs.clear(); clr.clear();
posW.clear(); normW.clear(); tcsW.clear();
posC.clear(); normC.clear(); tcsC.clear();
}
// bullet create
bool blt = true; // game always
#ifdef ROAD_EDITOR // editor only sel segs for align ter tool
blt = editorAlign && vSel.find(seg) != vSel.end();
#endif
/// destroy old
RoadSeg& rs = vSegs[seg];
if (!rs.empty && lod == 0)
DestroySeg(seg);
const int iwW = 7; // wall width steps - types..
const int iwC = colN; // column polygon steps
// steps len
int il = viL[seg]; Real la = 1.f / il;
int il0= viLSteps0[seg]; Real la0= 1.f / il0 * skLen;
Real l = -la0;
// width
//Real wi1 = abs(mP[seg].width), wi2 = abs(mP[seg1].width), wi12 = wi2-wi1;
/// angles ()__
Real ay1 = mP[seg].aYaw, ay2 = mP[seg1].aYaw, ay21 = ay2-ay1;
Real ar1 = mP[seg].aRoll,ar2 = mP[seg1].aRoll,ar21 = ar2-ar1;
const Real asw = 180; // more than 180 swirl - wrong at start/end
while (ay21 > asw) ay21 -= 2*asw; while (ay21 <-asw) ay21 += 2*asw;
while (ar21 > asw) ar21 -= 2*asw; while (ar21 <-asw) ar21 += 2*asw;
// tc begin,range
Real tcBeg = (seg > 0) ? vSegTc[seg-1] : 0.f, tcEnd = vSegTc[seg], tcRng = tcEnd - tcBeg;
Real tcBeg0= (seg > 0) ? vSegTc0[seg-1]: 0.f, tcEnd0 = vSegTc0[seg], tcRng0 = tcEnd0 - tcBeg0;
Real tcRmul = tcRng0 / tcRng;
//------------------------------------------------------------------------------------
// Length vertices
//------------------------------------------------------------------------------------
//LogR( " __len");
if (mP[seg].idMtr >= 0) // -1 hides segment
for (int i = -1; i <= il+1; ++i) // length +1 +2-gap
{
++iLmrg;
/// length <dir> |
Vector3 vL0 = interpolate(seg, l);
Vector3 vl = GetLenDir(seg, l, l+la), vw;
Real len = vl.length(); vl.normalise();
// len tc
if (i <= 0) ltc = 0;
Real tc = ltc * tcRmul + tcBeg0;
// skirt tc
if (i == -1) tc =-skLen* tcRmul + tcBeg0;
if (i == il+1) tc = skLen* tcRmul + tcEnd0;
/// width <dir> --
if (mP[seg].onTer && mP[seg1].onTer)
{ vw = Vector3(vl.z, 0, -vl.x); }
else /// angles ()__
{ Real ay = ay1 + ay21 * l; // linear-
Real ar = ar1 + ar21 * l;
//Real ay = interpAYaw(seg,l); // spline~
//Real ar = interpARoll(seg,l); // err swirl..
vw = GetRot(ay,ar); // from angles
}
vw.normalise();
Vector3 vwn = vw;
//Real wiMul = wi1 + wi12 * l; // linear-
Real wiMul = interpWidth(seg, l); // spline~
if (editorAlign) // wider road for align terrain tool
wiMul = wiMul*edWmul + edWadd;
vw *= wiMul;
// last vw = 1st form next seg
if (i==il && seg < segs-1)
vw = vwSeg[seg+1];
// on terrain ~~
bool onTer1 = onTer || mP[seg].onTer && i==0 || mP[seg1].onTer && i==il;
/// normal <dir> /
Vector3 vn = vl.crossProduct(vw); vn.normalise();
if (i==0) vn = vnSeg0[seg]; // seg start=end
if (i==il) vn = vnSeg0[seg1];
//Vector3 vnu = vn; if (vnu.y < 0) vnu = -vnu; // always up y+
// width steps <->
//int iw = viW[seg];
int iw = viwLS[seg][i+1]; //i = -1 .. il+1
// pipe width
Real l01 = max(0.f, min(1.f, Real(i)/Real(il) ));
Real p1 = mP[seg].pipe, p2 = mP[seg1].pipe;
Real pipe = p1 + (p2-p1)*l01;
bool trans = (p1 == 0.f || p2 == 0.f) && !viwEq[seg];
Real trp = (p1 == 0.f) ? 1.f - l01 : l01;
//LogR(" il="+toStr(i)+"/"+toStr(il)+" iw="+toStr(iw)
// /*+(bNew?" New ":"") +(bNxt?" Nxt ":"")/**/);
/// road ~ Width vertices
//-----------------------------------------------------------------------------------------------------------------
for (int w=0; w <= iw; ++w) // width +1
{
// pos create
Vector3 vP,vN; Real tcw = Real(w)/Real(iw);
Real yTer = 0.f;
if (pipe == 0.f)
{ // flat --
vP = vL0 + vw * (tcw - 0.5);
vN = vn;
yTer = mTerrain ? mTerrain->getHeightAtWorldPosition(vP.x, 0, vP.z) : 0.f;
if (onTer1) // onTerrain
{
vP.y = yTer + fHeight * ((w==0 || w==iw) ? 0.15f : 1.f);
vN = mTerrain ? getNormalAtWorldPosition(mTerrain, vP.x, vP.z, lenDiv*0.5f /*0.5f*/) : Vector3::UNIT_Y;
}
}else
{ /// pipe (_)
Real oo = (tcw - 0.5)/0.5 * PI_d * pipe, so = sinf(oo), co = cosf(oo);
vP = vL0 + vw * 0.5 * so +
+ vn * (0.5 - 0.5 * co) * wiMul;
vN = vn * co + vwn * so;
if (vN.y < 0.f) vN.y = -vN.y;
if (trans) // transition from flat to pipe
{ vP += vw * (tcw - 0.5) * trp; }
yTer = mTerrain ? mTerrain->getHeightAtWorldPosition(vP.x, 0, vP.z) : 0.f;
}
// skirt, gap patch_
if (i == -1 || i == il+1)
vP -= vn * skH;
// color - for minimap preview
// ---~~~====~~~---
Real brdg = min(1.f, abs(vP.y - yTer) * 0.4f); //par ] height diff mul
Real h = max(0.f, 1.f - abs(vP.y - yTer) / 30.f); // for grass dens tex
Real blend = 0.f; //rand()%1000/1000.f; // TODO: blend 2materials...?
Vector4 c(brdg,pipe, blend, h);
//> data road
pos.push_back(vP); norm.push_back(vN);
tcs.push_back(Vector2(tcw * 1.f /**2p..*/, tc * tcMul));
clr.push_back(c);
//#
if (vP.y < stMinH) stMinH = vP.y;
if (vP.y > stMaxH) stMaxH = vP.y;
}
/// wall ]
//------------------------------------------------------------------------------------
struct stWiPntW { Real x,y, uv, nx,ny; }; // wall width points
const static stWiPntW wiPntW[iwW+1][2] = { // section shape
// normal road // pipe wall
{{-0.5f, -0.1f, 0.0f, 1.0f, 0.0f}, {-0.28f, 0.7f, 0.0f, -1.0f, 0.0f}},
{{-0.5f, 1.2f, 0.5f, 0.5f, 0.5f}, {-0.28f, 0.5f, 0.2f, -0.5f, 0.5f}},
{{-0.56f, 1.2f, 0.2f, -0.5f, 0.5f}, {-0.28f, 0.0f, 0.2f, -0.5f, 0.0f}},
{{-0.56f,-0.9f, 1.6f, -0.5f,-0.5f}, {-0.2f, -0.9f, 0.5f, -0.1f,-0.5f}},
{{ 0.56f,-0.9f, 3.0f, 0.5f,-0.5f}, { 0.2f, -0.9f, 0.5f, 0.1f,-0.5f}},
{{ 0.56f, 1.2f, 1.6f, 0.5f, 0.5f}, { 0.28f, 0.0f, 0.2f, 0.5f, 0.0f}},
{{ 0.5f, 1.2f, 0.2f, -0.5f, 0.5f}, { 0.28f, 0.5f, 0.2f, 0.5f, 0.5f}},
{{ 0.5f, -0.1f, 0.5f, -1.0f, 0.0f}, { 0.28f, 0.7f, 0.2f, 1.0f, 0.0f}}};
Real uv = 0.f; // tc long
if (!onTer)
if (i >= 0 && i <= il) // length +1
{ ++iLmrgW;
for (int w=0; w <= iwW; ++w) // width +1
{
int pp = (p1 > 0.f || p2 > 0.f) ? 1 : 0; // pipe wall
stWiPntW wP = wiPntW[w][pp];
if (trans /*&& (w <= 3 || w >= iwW-3)*/)
{ wP.x *= 1 + trp; wP.y *= 1 - trp; }
uv += wP.uv;
Vector3 vP = vL0 + vw * wP.x + vn * wP.y;
Vector3 vN = vwn * wP.nx + vn * wP.ny; vN.normalise();
//> data Wall
posW.push_back(vP); normW.push_back(vN);
tcsW.push_back(0.25f * Vector2(uv, tc * tcMul)); //pars
}
}
/// columns |
//------------------------------------------------------------------------------------
if (!onTer && mP[seg].cols > 0)
if (i == il/2) // middle-
{ ++iLmrgC;
const Real r = colR; // column radius
for (int h=0; h <= 1; ++h) // height
for (int w=0; w <= iwC; ++w) // width +1
{
Real ht = (h==0) ? 0.f : vL0.y - (mTerrain ? mTerrain->getHeightAtWorldPosition(vL0) : 0.f);
Real a = Real(w)/iwC *2*PI_d, //+PI_d/4.f
x = r*cosf(a), y = r*sinf(a);
Vector3 vlXZ(vl.x,0,vl.z); Real fl = 1.f/max(0.01f, vlXZ.length());
Vector3 vP = vL0 + fl * vl * x + vwn * y;
Real yy;
if (h==0) // top below road
{ yy = vn.y * -0.8f; //pars
vP.y += yy; ht += yy;
}
else // bottom below ground
{ yy = (mTerrain ? mTerrain->getHeightAtWorldPosition(vP) : 0.f) - 0.3f;
vP.y = yy;
}
ht += yy;
Vector3 vN(vP.x-vL0.x,0,vP.z-vL0.z); vN.normalise();
//> data Col
posC.push_back(vP); normC.push_back(vN);
tcsC.push_back(Vector2( Real(w)/iwC * 4, ht * 0.2f )); //pars
}
}
if (i == -1 || i == il) // add len
{ l += la0; ltc += len; }
else
{ l += la; ltc += len; }
}
// Length vertices
//------------------------------------------------------------------------------------
// lod vis points
if (lod == 0)
{ int lps = max(2, (int)(vSegLen[seg] / lposLen));
for (int p=0; p <= lps; ++p)
{
Vector3 vp = interpolate(seg, Real(p)/Real(lps));
posLod.push_back(vp);
}
}
//---------------------------------------------------------------------------------------------------------
/// create mesh indices
//---------------------------------------------------------------------------------------------------------
if (bNxt && !pos.empty()) /*Merging*/
{
String sEnd = toStr(idStr); ++idStr;
String sMesh = "rd.mesh." + sEnd, sMeshW = sMesh + "W", sMeshC = sMesh + "C";
posBt.clear();
idx.clear(); // set for addTri
at_pos = &pos; at_size = pos.size(); at_ilBt = iLmrg-2;
/// road ~
int iiw = 0; //LogR( " __idx");
// equal width steps
if (viwEq[seg]==1)
for (int i = 0; i < iLmrg-1; ++i) // length-1 +2gap
{
int iw = viW[seg]; // grid w-1 x l-1 x2 tris
for (int w=0; w < iw; ++w) // width-1
{
//LogR( " il="+toStr(i)+"/"+toStr(il)+" iw="+toStr(iw));
int f0 = iiw + w, f1 = f0 + (iw+1);
addTri(f0+0,f1+1,f0+1,i, blt);
addTri(f0+0,f1+0,f1+1,i, blt);
}
iiw += iw+1;
}
else
// pipe, diff width_
for (int i = 0; i < iLmrg-1; ++i) // length-1 +2gap
{
int iw = viwLS[seg][i], iw1 = viwLS[seg][i+1];
int sw = iw1 < iw ? 1 : 0;
//LogR( " il="+toStr(i)+"/"+toStr(il)+" iw="+toStr(iw));
//int w=0; // test fans
for (int w=0; w < iw -sw; ++w) // width-1
{
int f0 = iiw + w, f1 = f0 + (iw+1);
// |\ | f0+0 f0+1
// | \| f1+0 f1+1
if (sw==0) {
addTri(f0+0,f1+1,f0+1,i, blt);
addTri(f0+0,f1+0,f1+1,i, blt); }
else { // |/|
addTri(f0+0,f1+0,f0+1,i, blt);
addTri(f0+1,f1+0,f1+1,i, blt); }
}
///>>> fix gaps when iw changes - fan tris
int ma = iw1 - iw, ms = -ma, m;
for (m=0; m < ma; ++m)
{
int f0 = iiw + iw-1, f1 = f0 + (iw+2)+m;
addTri(f0+1,f1+0,f1+1,i, blt);
}
for (m=0; m < ms; ++m)
{
int f0 = iiw + iw-sw -m, f1 = f0 + (iw+1);
addTri(f0+0,f1+0,f0+1,i, blt);
}
iiw += iw + 1;
}
vSegs[seg].nTri[lod] = idx.size()/3;
// create Ogre Mesh
//-----------------------------------------
MeshPtr meshOld = MeshManager::getSingleton().getByName(sMesh);
if (!meshOld.isNull()) LogR("Mesh exists !!!" + sMesh);
AxisAlignedBox aabox;
MeshPtr mesh = MeshManager::getSingleton().createManual(sMesh,"General");
SubMesh* sm = mesh->createSubMesh();
int id = max(0,mP[seg].idMtr);
if (isPipe(seg))
rs.sMtrRd = sMtrPipe[id];
else
rs.sMtrRd = sMtrRoad[id] + (onTer ? "_ter" :"");
CreateMesh(sm, aabox, pos,norm,clr,tcs, idx, rs.sMtrRd);
MeshPtr meshW, meshC; // ] |
bool wall = !posW.empty();
if (wall)
{
meshW = MeshManager::getSingleton().createManual(sMeshW,"General");
meshW->createSubMesh();
}
bool cols = !posC.empty() && lod == 0; // cols have no lods
if (cols)
{
meshC = MeshManager::getSingleton().createManual(sMeshC,"General");
meshC->createSubMesh();
}
//*=*/wall = 0; cols = 0; // test
/// wall ]
//------------------------------------------------------------------------------------
// wall pipe glass mtr
bool wPglass = isPipe(seg) && mP[seg].idMtr >= 1; // wall pipe glass mtr
//bool wPglass = isPipe(seg) && StringUtil::match(sMtrPipe[mP[seg].idMtr], "*lass*");
if (wall)
{
idx.clear();
for (int i = 0; i < iLmrgW-1; ++i) // length
{ int iiW = (i+0)*(iwW+1);
for (int w=0; w < iwW; ++w) // width
{
int f0 = iiW + w, f1 = f0 + (iwW+1);
idx.push_back(f0+1); idx.push_back(f1+1); idx.push_back(f0+0);
idx.push_back(f1+1); idx.push_back(f1+0); idx.push_back(f0+0);
}
}
// front plates start,end
const int Wid[4/*6*/][3] = {{2,1,0},{3,2,0},{5,4,7},{6,5,7}/*,{7,3,0},{4,3,7}*/};
int i,f, b = posW.size()-iwW-1;
if (!isPipe(seg)) // no fronts in pipes
for (f=0; f < 4; ++f)
{
for (i=0; i<=2; ++i) idx.push_back( Wid[f][i] );
for (i=0; i<=2; ++i) idx.push_back( Wid[f][2-i]+b );
}
vSegs[seg].nTri[lod] += idx.size()/3;
sm = meshW->getSubMesh(0); // for glass only..
rs.sMtrWall = !wPglass ? sMtrWall : sMtrWallPipe;
if (!posW.empty())
CreateMesh(sm, aabox, posW,normW,clr0,tcsW, idx, rs.sMtrWall);
}
/// columns |
//------------------------------------------------------------------------------------
if (cols)
{
idx.clear();
at_pos = &posC;
for (int l=0; l < iLmrgC; ++l)
for (int w=0; w < iwC; ++w)
{
int f0 = w + l*(iwC+1)*2, f1 = f0 + iwC+1;
addTri(f0+0, f1+1, f0+1, 1, blt);
addTri(f0+0, f1+0, f1+1, 1, blt);
}
vSegs[seg].nTri[lod] += idx.size()/3;
sm = meshC->getSubMesh(0);
//if (!posC.empty())
CreateMesh(sm, aabox, posC,normC,clr0,tcsC, idx, sMtrCol);
}
// add Mesh to Scene -----------------------------------------
Entity* ent = 0, *entW = 0, *entC = 0;
SceneNode* node = 0, *nodeW = 0, *nodeC = 0;
AddMesh(mesh, sMesh, aabox, &ent, &node, "."+sEnd);
if (wPglass)
{
ent->setRenderQueueGroup(RQG_PipeGlass);
//ent->setCastShadows(true);
}
if (wall /*&& !posW.empty()*/)
{
AddMesh(meshW, sMeshW, aabox, &entW, &nodeW, "W."+sEnd);
entW->setCastShadows(true); // only cast
}
if (cols /*&& !posC.empty()*/)
{
AddMesh(meshC, sMeshC, aabox, &entC, &nodeC, "C."+sEnd);
entC->setVisible(true);
if (bCastShadow)
entC->setCastShadows(true);
}
if (bCastShadow && !onTer)
ent->setCastShadows(true);
//>> store ogre data ------------
rs.road[lod].node = node; rs.wall[lod].node = nodeW;
rs.road[lod].ent = ent; rs.wall[lod].ent = entW;
rs.road[lod].mesh = mesh; rs.wall[lod].mesh = meshW;
rs.road[lod].smesh = sMesh; rs.wall[lod].smesh = sMeshW;
if (lod==0) {
rs.col.node = nodeC;
rs.col.ent = entC;
rs.col.mesh = meshC;
rs.col.smesh = sMeshC; }
rs.empty = false; // new
// copy lod points
if (lod == 0)
{ for (size_t p=0; p < posLod.size(); ++p)
rs.lpos.push_back(posLod[p]);
posLod.clear();
}
//# stats--
if (stats)
{
rs.mrgLod = (iMrgSegs % 2)*2+1; //-
iMrgSegs++; // count, full
}
/// bullet trimesh at lod 0
///------------------------------------------------------------------------------------
if (lod == 0 && blt)
{
btTriangleMesh* trimesh = new btTriangleMesh(); vbtTriMesh.push_back(trimesh);
#define vToBlt(v) btVector3(v.x, -v.z, v.y)
#define addTriB(a,b,c) trimesh->addTriangle(vToBlt(a), vToBlt(b), vToBlt(c), blt);
size_t si = posBt.size(), a=0; // %3!
for (size_t i=0; i < si/3; ++i,a+=3)
addTriB(posBt[a], posBt[a+1], posBt[a+2]);
// if (cols) // add columns^..
// Road ~
btCollisionShape* shape = new btBvhTriangleMeshShape(trimesh, true);
shape->setUserPointer(isPipe(seg) ? (void*)7788 : (void*)7777); // mark as road, + mtrId..
//btRigidBody::btRigidBodyConstructionInfo infoT(0.f, 0, shape);
//infoT.m_restitution = 0.0f;
//infoT.m_friction = 0.8f; // 1 like terrain
//pGame->collision.AddRigidBody(infoT); // old
btCollisionObject* bco = new btCollisionObject();
btTransform tr; tr.setIdentity(); //tr.setOrigin(pc);
bco->setActivationState(DISABLE_SIMULATION);
bco->setCollisionShape(shape); bco->setWorldTransform(tr);
bco->setFriction(0.8f); bco->setRestitution(0.f); //`
bco->setCollisionFlags(bco->getCollisionFlags() |
btCollisionObject::CF_STATIC_OBJECT | btCollisionObject::CF_DISABLE_VISUALIZE_OBJECT/**/);
#ifdef ROAD_EDITOR
pApp->world->addCollisionObject(bco);
#else
pGame->collision.world->addCollisionObject(bco);
pGame->collision.shapes.push_back(shape);
#endif
// Wall ]
#ifndef ROAD_EDITOR // in Game
if (wall)
{ trimesh = new btTriangleMesh(); vbtTriMesh.push_back(trimesh);
for (int i = 0; i < iLmrgW-1; ++i) // length
{ int iiW = i* (iwW+1);
for (int w=0; w < iwW; ++w) // width
if (bRoadWFullCol || w==0 || w == iwW-1) // only 2 sides|_| optym+
{
int f = iiW + w, f1 = f + (iwW+1);
addTriB(posW[f+0], posW[f1+1], posW[f+1]);
addTriB(posW[f+0], posW[f1+0], posW[f1+1]);
}
}
btCollisionShape* shape = new btBvhTriangleMeshShape(trimesh, true);
shape->setUserPointer((void*)7777); //- + road mtr id todo...
btCollisionObject* bco = new btCollisionObject();
bco->setActivationState(DISABLE_SIMULATION);
bco->setCollisionShape(shape); bco->setWorldTransform(tr);
bco->setFriction(0.1f); bco->setRestitution(0.f); //`
bco->setCollisionFlags(bco->getCollisionFlags() |
btCollisionObject::CF_STATIC_OBJECT | btCollisionObject::CF_DISABLE_VISUALIZE_OBJECT/**/);
pGame->collision.world->addCollisionObject(bco);
pGame->collision.shapes.push_back(shape);
}
#endif
}
}/*bNxt Merging*/
sNum--; segM++; // next
}
/// segment end
//--------------------------------------------------------------------------------------------------------------------------
//# stats
if (stats)
st.HeightDiff = max(0.f, stMaxH - stMinH);
}
// lod end
UpdLodVis(fLodBias);
if (iDirtyId == -1)
iOldHide = -1;
if (iDirtyId == -1)
//if (segs <= 4 || sMax - sMin > 4)
{
ti.update(); /// time
float dt = ti.dt * 1000.f;
LogO(String("::: Time Road Rebuild: ") + toStr(dt) + " ms");
}
}
MeshPtr MergeMesh::bake()
{
log(
"Baking: New Mesh started" );
MeshPtr mp = MeshManager::getSingleton().
createManual( "mergedMesh", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME );
mp->setSkeletonName( m_BaseSkeleton->getName() );
AxisAlignedBox totalBounds = AxisAlignedBox();
for( std::vector< Ogre::MeshPtr >::iterator it = m_Meshes.begin();
it != m_Meshes.end(); ++it )
{
log(
"Baking: adding submeshes for " + (*it)->getName() );
// insert all submeshes
for( Ogre::ushort sid = 0; sid < (*it)->getNumSubMeshes(); ++sid )
{
SubMesh* sub = (*it)->getSubMesh( sid );
const String name = findSubmeshName( (*it), sid );
// create submesh with correct name
SubMesh* newsub;
if( name.length() == 0 )
newsub = mp->createSubMesh( );
else
/// @todo check if a submesh with this name has been created before
newsub = mp->createSubMesh( name );
newsub->useSharedVertices = sub->useSharedVertices;
// add index
newsub->indexData = sub->indexData->clone();
// add geometry
if( !newsub->useSharedVertices )
{
newsub->vertexData = sub->vertexData->clone();
// build bone assignments
SubMesh::BoneAssignmentIterator bit = sub->getBoneAssignmentIterator();
while (bit.hasMoreElements())
{
VertexBoneAssignment vba = bit.getNext();
newsub->addBoneAssignment(vba);
}
}
newsub->setMaterialName( sub->getMaterialName() );
log("Baking: adding submesh '" + name + "' with material " + sub->getMaterialName());
}
// sharedvertices
if ((*it)->sharedVertexData)
{
/// @todo merge with existing sharedVertexData
if (!mp->sharedVertexData)
{
mp->sharedVertexData = (*it)->sharedVertexData->clone();
}
Mesh::BoneAssignmentIterator bit = (*it)->getBoneAssignmentIterator();
while (bit.hasMoreElements())
{
VertexBoneAssignment vba = bit.getNext();
mp->addBoneAssignment(vba);
}
}
log("Baking: adding bounds for " + (*it)->getName());
// add bounds
totalBounds.merge((*it)->getBounds());
}
mp->_setBounds( totalBounds );
/// @todo merge submeshes with same material
/// @todo add parameters
mp->buildEdgeList();
log(
"Baking: Finished" );
return mp;
}
void Tile::_generateSubMesh(MeshPtr& mesh)
{
// Create a submesh to the given mesh.
SubMesh* tileMesh = mesh->createSubMesh();
// Define the vertices.
size_t index = 0;
size_t vertCount = this->mCorners.size() + 1; // corner count + center corner
Real* vertices = new Real[vertCount*3*2]; // (number of verts)*(x, y, z)*(coord, normal) -or- vertCount*3*2
// Manually add center vertex.
// -- Position (ord: x, y, z)
vertices[index++] = this->mPosition.x;
vertices[index++] = (Ogre::Real)(this->elevation);
vertices[index++] = this->mPosition.y;
// -- Normal (ord: x, y, z)
Vector3 norm = Vector3::UNIT_Y;
vertices[index++] = norm.x;
vertices[index++] = norm.y;
vertices[index++] = norm.z;
// Add the rest of the vertices to data buffer.
for(std::vector<Corner*>::iterator it = this->mCorners.begin(); it != this->mCorners.end(); ++it) {
// Add to the next point to the array.
// -- Position
Vector3 vector = (*it)->vec3();
vertices[index++] = vector.x;
vertices[index++] = vector.y;
vertices[index++] = vector.z;
// -- Normal
Vector3 normal = Vector3::UNIT_Y;
vertices[index++] = normal.x;
vertices[index++] = normal.y;
vertices[index++] = normal.z;
}
// Define vertices color.
RenderSystem* rs = Root::getSingleton().getRenderSystem();
RGBA* colors = new RGBA[vertCount];
for(size_t i = 0; i < vertCount; ++i)
rs->convertColourValue(ColourValue(0.0f + 0.175f*i, 0.2f, 1.0f - 0.175f*i), colors + i);
// Define the triangles.
size_t faceCount = vertCount - 1; // Face count = vertCount - cent
size_t center = 0;
size_t last = 1; //collin was here
size_t curr = 2;
unsigned short* faces = new unsigned short[faceCount*3];
index = 0;
for(size_t i = 0; i < faceCount; ++i) {
assert(last < vertCount && curr < vertCount); // Panic check
faces[index++] = center;
faces[index++] = curr;
faces[index++] = last;
last = curr++;
if(curr >= vertCount) curr = 1;
}
// All information has been generated, move into mesh structures.
// Note: Currently does not implement or used any sort of shared
// vertices. This is intentional and should be changed at the
// soonest conveienence. IE -- Never. ;P
tileMesh->useSharedVertices = false;
tileMesh->vertexData = new VertexData();
tileMesh->vertexData->vertexCount = vertCount;
// Create memory footprint for vertex data.
size_t offset = 0;
VertexDeclaration* decl = tileMesh->vertexData->vertexDeclaration;
// Position and normal buffer.
// -- Position
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
// -- Normal
decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
// Allocate a vertex buffer for a number of vertices and vertex size.
HardwareVertexBufferSharedPtr vertBuff =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, // Size of a vertex, in bytes.
tileMesh->vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Write our data to vertex buffer.
vertBuff->writeData(0, vertBuff->getSizeInBytes(), vertices, true);
// Set the buffer's bind location.
VertexBufferBinding* vertBind = tileMesh->vertexData->vertexBufferBinding;
vertBind->setBinding(0, vertBuff);
// Color buffer for vertices
offset = 0;
decl->addElement(1, offset, VET_COLOUR, VES_DIFFUSE);
offset += VertexElement::getTypeSize(VET_COLOUR);
// Allocate a new buffer for colors.
vertBuff = HardwareBufferManager::getSingleton().createVertexBuffer(
offset, // Size of a vertex, in bytes.
tileMesh->vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Write color data to buffer.
vertBuff->writeData(0, vertBuff->getSizeInBytes(), colors, true);
// Set the color buffer's bind location
vertBind->setBinding(1, vertBuff);
// Allocate a buffer for the index information
HardwareIndexBufferSharedPtr indexBuff = HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
faceCount*3,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Write data to the buffer.
indexBuff->writeData(0, indexBuff->getSizeInBytes(), faces, true);
// Finalize submesh.
tileMesh->indexData->indexBuffer = indexBuff;
tileMesh->indexData->indexCount = faceCount*3;
tileMesh->indexData->indexStart = 0;
// Deallocate the vertex and face arrays.
if(vertices) delete[] vertices;
if(faces) delete[] faces;
}
Ogre::MeshPtr LodOutsideMarker::createConvexHullMesh(const String& meshName, const String& resourceGroupName)
{
// Based on the wiki sample: http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Generating+A+Mesh
// Resource with given name should not exist!
assert(MeshManager::getSingleton().getByName(meshName).isNull());
generateHull(); // calculate mHull triangles.
// Convex hull can't be empty!
assert(!mHull.empty());
MeshPtr mesh = MeshManager::getSingleton().createManual(meshName, resourceGroupName, NULL);
SubMesh* subMesh = mesh->createSubMesh();
vector<Real>::type vertexBuffer;
vector<unsigned short>::type indexBuffer;
// 3 position/triangle * 3 Real/position
vertexBuffer.reserve(mHull.size() * 9);
// 3 index / triangle
indexBuffer.reserve(mHull.size() * 3);
int id=0;
// min & max position
Vector3 minBounds(std::numeric_limits<Real>::max(), std::numeric_limits<Real>::max(), std::numeric_limits<Real>::max());
Vector3 maxBounds(std::numeric_limits<Real>::min(), std::numeric_limits<Real>::min(), std::numeric_limits<Real>::min());
for (size_t i = 0; i < mHull.size(); i++) {
assert(!mHull[i].removed);
for(size_t n = 0; n < 3; n++){
indexBuffer.push_back(id++);
vertexBuffer.push_back(mHull[i].vertex[n]->position.x);
vertexBuffer.push_back(mHull[i].vertex[n]->position.y);
vertexBuffer.push_back(mHull[i].vertex[n]->position.z);
minBounds.x = std::min<Real>(minBounds.x, mHull[i].vertex[n]->position.x);
minBounds.y = std::min<Real>(minBounds.y, mHull[i].vertex[n]->position.y);
minBounds.z = std::min<Real>(minBounds.z, mHull[i].vertex[n]->position.z);
maxBounds.x = std::max<Real>(maxBounds.x, mHull[i].vertex[n]->position.x);
maxBounds.y = std::max<Real>(maxBounds.y, mHull[i].vertex[n]->position.y);
maxBounds.z = std::max<Real>(maxBounds.z, mHull[i].vertex[n]->position.z);
}
}
/// Create vertex data structure for 8 vertices shared between submeshes
mesh->sharedVertexData = new VertexData();
mesh->sharedVertexData->vertexCount = mHull.size() * 3;
/// Create declaration (memory format) of vertex data
VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
size_t offset = 0;
// 1st buffer
decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
/// Allocate vertex buffer of the requested number of vertices (vertexCount)
/// and bytes per vertex (offset)
HardwareVertexBufferSharedPtr vbuf =
HardwareBufferManager::getSingleton().createVertexBuffer(
offset, mesh->sharedVertexData->vertexCount, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the vertex data to the card
vbuf->writeData(0, vbuf->getSizeInBytes(), &vertexBuffer[0], true);
/// Set vertex buffer binding so buffer 0 is bound to our vertex buffer
VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding;
bind->setBinding(0, vbuf);
/// Allocate index buffer of the requested number of vertices (ibufCount)
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
indexBuffer.size(),
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
/// Upload the index data to the card
ibuf->writeData(0, ibuf->getSizeInBytes(), &indexBuffer[0], true);
/// Set parameters of the submesh
subMesh->useSharedVertices = true;
subMesh->indexData->indexBuffer = ibuf;
subMesh->indexData->indexCount = indexBuffer.size();
subMesh->indexData->indexStart = 0;
/// Set bounding information (for culling)
mesh->_setBounds(AxisAlignedBox(minBounds, maxBounds));
mesh->_setBoundingSphereRadius(maxBounds.distance(minBounds) / 2.0f);
/// Set material to transparent blue
subMesh->setMaterialName("Examples/TransparentBlue50");
/// Notify -Mesh object that it has been loaded
mesh->load();
return mesh;
}
static MeshPtr importObject(QDataStream &stream)
{
using namespace Ogre;
QVector4D bbMin, bbMax;
stream >> bbMin >> bbMax;
float distance, distanceSquared; // Here's a bug for you: writes "double"'s instead of floats
stream >> distanceSquared >> distance;
MeshPtr ogreMesh = MeshManager::getSingleton().createManual("conversion",
ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
int vertexCount, indexCount;
stream >> vertexCount >> indexCount;
VertexData *vertexData = new VertexData();
ogreMesh->sharedVertexData = vertexData;
LogManager::getSingleton().logMessage("Reading geometry...");
VertexDeclaration* decl = vertexData->vertexDeclaration;
VertexBufferBinding* bind = vertexData->vertexBufferBinding;
unsigned short bufferId = 0;
// Information for calculating bounds
Vector3 min = Vector3::ZERO, max = Vector3::UNIT_SCALE, pos = Vector3::ZERO;
Real maxSquaredRadius = -1;
bool firstVertex = true;
/*
Create a vertex definition for our buffer
*/
size_t offset = 0;
const VertexElement &positionElement = decl->addElement(bufferId, offset, VET_FLOAT3, VES_POSITION);
offset += VertexElement::getTypeSize(VET_FLOAT3);
const VertexElement &normalElement = decl->addElement(bufferId, offset, VET_FLOAT3, VES_NORMAL);
offset += VertexElement::getTypeSize(VET_FLOAT3);
// calculate how many vertexes there actually are
vertexData->vertexCount = vertexCount;
// Now create the vertex buffer
HardwareVertexBufferSharedPtr vbuf = HardwareBufferManager::getSingleton().
createVertexBuffer(offset, vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY, false);
// Bind it
bind->setBinding(bufferId, vbuf);
// Lock it
unsigned char *pVert = static_cast<unsigned char*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
unsigned char *pVertStart = pVert;
QVector<float> positions;
positions.reserve(vertexCount * 3);
// Iterate over all children (vertexbuffer entries)
for (int i = 0; i < vertexCount; ++i) {
float *pFloat;
QVector4D vertex;
stream >> vertex;
vertex.setZ(vertex.z() * -1);
/* Copy over the position */
positionElement.baseVertexPointerToElement(pVert, &pFloat);
*(pFloat++) = (float)vertex.x();
*(pFloat++) = (float)vertex.y();
*(pFloat++) = (float)vertex.z();
positions.append(vertex.x());
positions.append(vertex.y());
positions.append(vertex.z());
/* While we're at it, calculate the bounding sphere */
pos.x = vertex.x();
pos.y = vertex.y();
pos.z = vertex.z();
if (firstVertex) {
min = max = pos;
maxSquaredRadius = pos.squaredLength();
firstVertex = false;
} else {
min.makeFloor(pos);
max.makeCeil(pos);
maxSquaredRadius = qMax(pos.squaredLength(), maxSquaredRadius);
}
pVert += vbuf->getVertexSize();
}
// Set bounds
const AxisAlignedBox& currBox = ogreMesh->getBounds();
Real currRadius = ogreMesh->getBoundingSphereRadius();
if (currBox.isNull())
{
//do not pad the bounding box
ogreMesh->_setBounds(AxisAlignedBox(min, max), false);
ogreMesh->_setBoundingSphereRadius(Math::Sqrt(maxSquaredRadius));
}
else
{
AxisAlignedBox newBox(min, max);
newBox.merge(currBox);
//do not pad the bounding box
ogreMesh->_setBounds(newBox, false);
ogreMesh->_setBoundingSphereRadius(qMax(Math::Sqrt(maxSquaredRadius), currRadius));
}
/*
Create faces
*/
// All children should be submeshes
SubMesh* sm = ogreMesh->createSubMesh();
sm->setMaterialName("clippingMaterial");
sm->operationType = RenderOperation::OT_TRIANGLE_LIST;
sm->useSharedVertices = true;
// tri list
sm->indexData->indexCount = indexCount;
// Allocate space
HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
sm->indexData->indexCount,
HardwareBuffer::HBU_DYNAMIC,
false);
sm->indexData->indexBuffer = ibuf;
unsigned short *pShort = static_cast<unsigned short*>(ibuf->lock(HardwareBuffer::HBL_DISCARD));
QVector<EdgeData::Triangle> triangles(indexCount / 3);
for (int i = 0; i < indexCount / 3; ++i) {
quint16 i1, i2, i3;
stream >> i1 >> i2 >> i3;
*pShort++ = i1;
*pShort++ = i2;
*pShort++ = i3;
triangles[i].vertIndex[0] = i1;
triangles[i].vertIndex[1] = i2;
triangles[i].vertIndex[2] = i3;
}
/* Recalculate the vertex normals */
Vector4 *faceNormals = (Vector4*)_aligned_malloc(sizeof(Vector4) * triangles.size(), 16);
OptimisedUtil *util = OptimisedUtil::getImplementation();
util->calculateFaceNormals(positions.constData(),
triangles.data(),
faceNormals,
indexCount / 3);
// Iterate over all children (vertexbuffer entries)
pVert = pVertStart;
for (int i = 0; i < vertexCount; ++i) {
float *pFloat;
Vector3 normal = Vector3::ZERO;
int count = 0;
/* Search for all faces that use this vertex */
for (int j = 0; j < triangles.size(); ++j) {
if (triangles[j].vertIndex[0] == i
|| triangles[j].vertIndex[1] == i
|| triangles[j].vertIndex[2] == i) {
normal.x += faceNormals[j].x / faceNormals[j].w;
normal.y += faceNormals[j].y / faceNormals[j].w;
normal.z += faceNormals[j].z / faceNormals[j].w;
count++;
}
}
normal.normalise();
/* Copy over the position */
normalElement.baseVertexPointerToElement(pVert, &pFloat);
*(pFloat++) = normal.x;
*(pFloat++) = normal.y;
*(pFloat++) = normal.z;
pVert += vbuf->getVertexSize();
}
_aligned_free(faceNormals);
vbuf->unlock();
ibuf->unlock();
return ogreMesh;
}
// Generate normals for polygon meshes
void IndexedGeometry::createIndexedFaceSet()
{
if (_coords.empty())
throw std::runtime_error("No coordinates given.");
if (_coordIndex.empty())
throw std::runtime_error("No coordinate index given.");
MeshPtr mesh = MeshManager::getSingleton().createManual(_name, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
SubMesh *sub = mesh->createSubMesh();
bool hasTextureCoordinates = !_texCoords.empty();
bool hasPointColors = !_colors.empty() && _colorPerVertex;
bool hasPointNormals = !_normals.empty() && _normalPerVertex;
bool hasCellColors = !_colors.empty() && !hasPointColors;
bool hasCellNormals = !_normals.empty() && !hasPointNormals;
bool calcPointNormals = _normals.empty() && _normalPerVertex;
std::vector<face> faces;
face f;
for (std::vector<int>::const_iterator I=_coordIndex.begin(); I !=_coordIndex.end(); ++I) {
if (*I == -1) {
faces.resize(faces.size()+1);
faces.back().indices.swap(f.indices);
} else
f.indices.push_back(I - _coordIndex.begin());
}
if (!f.indices.empty()) {
faces.resize(faces.size()+1);
faces.back().indices.swap(f.indices);
}
std::vector<vertex> vertices;
std::vector<triangle> triangles;
VertMap vertexMap;
// triangulate and expand vertices
for (std::vector<face>::const_iterator f=faces.begin(), e=faces.end(); f!=e; ++f) {
int faceNr = f - faces.begin();
int triVertNr = 0;
int triVerts[2] = { -1, -1 };
for (std::vector<int>::const_iterator i = f->indices.begin(), e=f->indices.end(); i!=e; ++i, ++triVertNr) {
int triVertNr = i - f->indices.begin();
int index = *i;
vertex vert;
// get full indices for vertex data
vert.pos = _coordIndex[index];
vert.normal = !_normals.empty() ? getIndex(_coordIndex, _normalIndex,
_normalPerVertex, faceNr, index) : 0;
vert.colour = !_colors.empty() ? getIndex(_coordIndex, _colorIndex,
_colorPerVertex, faceNr, index) : 0;
vert.tc = hasTextureCoordinates ? getIndex(_coordIndex, _texCoordIndex,
true, faceNr, index) : 0;
// avoid duplication
//int nvert = vertexMap.size();
//int &vpos = vertexMap[vert];
//if (nvert != vertexMap.size()) {
int vpos = vertices.size();
vertices.push_back(vert);
//}
// emit triangle (maybe)
if (triVertNr == 0)
triVerts[0] = vpos;
else if (triVertNr == 1)
triVerts[1] = vpos;
else {
triangle t;
t.vertices[0] = triVerts[0];
t.vertices[1] = triVerts[1];
t.vertices[2] = vpos;
if (!_ccw)
std::swap(t.vertices[1], t.vertices[2]);
triangles.push_back(t);
triVerts[1] = vpos;
}
}
}
// createOgreMesh
int nvertices = vertices.size();
int nfaces = triangles.size();
VertexData* vertexData = new VertexData();
sub->vertexData = vertexData;
IndexData* indexData = sub->indexData;
VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
size_t currOffset = 0;
// positions
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_POSITION);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
if (hasPointNormals)
{
// normals
vertexDecl->addElement(0, currOffset, VET_FLOAT3, VES_NORMAL);
currOffset += VertexElement::getTypeSize(VET_FLOAT3);
}
// two dimensional texture coordinates
if (hasTextureCoordinates)
{
vertexDecl->addElement(0, currOffset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
currOffset += VertexElement::getTypeSize(VET_FLOAT2);
}
std::cout << std::endl;
// allocate index buffer
indexData->indexCount = nfaces * 3;
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));
std::cout << triangles.size() << ": ";
for(std::vector<triangle>::const_iterator T = triangles.begin(); T != triangles.end(); T++)
{
const triangle &t = (*T);
*pIndices++ = t.vertices[0];
*pIndices++ = t.vertices[1];
*pIndices++ = t.vertices[2];
std::cout << t.vertices[0] << " " << t.vertices[1] << " " << t.vertices[2] << " ";
}
std::cout << std::endl;
// allocate the vertex buffer
vertexData->vertexCount = nvertices;
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));
AxisAlignedBox aabox;
std::cout << vertices.size() << ": ";
for(std::vector<vertex>::const_iterator V = vertices.begin(); V != vertices.end(); V++)
{
const vertex &v = (*V);
SFVec3f pos = _coords.at(v.pos);
*pVertex++ = pos.x;
*pVertex++ = pos.y;
*pVertex++ = pos.z;
aabox.merge(Vector3(pos.x, pos.y, pos.z));
std::cout << pos.x << " " << pos.y << " " << pos.z << " " << std::endl;
//std::cout << v.pos << " ";
if (hasPointNormals)
{
const SFVec3f normal = _normals.at(v.normal);
*pVertex++ = normal.x;
*pVertex++ = normal.y;
*pVertex++ = normal.z;
}
}
std::cout << std::endl;
// Unlock
vBuf->unlock();
iBuf->unlock();
sub->useSharedVertices = false;
// the original code was missing this line:
mesh->_setBounds(aabox);
mesh->_setBoundingSphereRadius((aabox.getMaximum()-aabox.getMinimum()).length()/2.0);
// this line makes clear the mesh is loaded (avoids memory leaks)
mesh->load();
}
void createSphereMesh(const String &name, const float radius, const int slices, const int stacks)
{
MeshPtr mesh = MeshManager::getSingleton().createManual(name, ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
mesh->sharedVertexData = new VertexData();
mesh->_setBounds(AxisAlignedBox(Vector3(-radius, -radius, -radius), Vector3(radius, radius, radius)));
mesh->_setBoundingSphereRadius(radius);
VertexData *vertexData = mesh->sharedVertexData;
vertexData->vertexDeclaration->addElement(0, 0, VET_FLOAT3, VES_POSITION);
vertexData->vertexDeclaration->addElement(1, 0, VET_FLOAT3, VES_NORMAL);
vertexData->vertexCount = slices * (stacks + 1);
HardwareVertexBufferSharedPtr positionBuffer = HardwareBufferManager::getSingleton().createVertexBuffer(
vertexData->vertexDeclaration->getVertexSize(0),
vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
HardwareVertexBufferSharedPtr normalBuffer = HardwareBufferManager::getSingleton().createVertexBuffer(
vertexData->vertexDeclaration->getVertexSize(1),
vertexData->vertexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
float *position = static_cast<float *>(positionBuffer->lock(HardwareBuffer::HBL_DISCARD));
float *normal = static_cast<float *>(normalBuffer->lock(HardwareBuffer::HBL_DISCARD));
for (int ring = 0; ring <= stacks; ring++) {
float r = radius * sinf(ring * Math::PI / stacks);
float y = radius * cosf(ring * Math::PI / stacks);
for (int segment = 0; segment < slices; segment++) {
float x = r * sinf(segment * 2 * Math::PI / slices);
float z = r * cosf(segment * 2 * Math::PI / slices);
*position++ = x;
*position++ = y;
*position++ = z;
Vector3 tmp = Vector3(x, y, z).normalisedCopy();
*normal++ = tmp.x;
*normal++ = tmp.y;
*normal++ = tmp.z;
}
}
positionBuffer->unlock();
normalBuffer->unlock();
vertexData->vertexBufferBinding->setBinding(0, positionBuffer);
vertexData->vertexBufferBinding->setBinding(1, normalBuffer);
SubMesh *subMesh = mesh->createSubMesh();
subMesh->useSharedVertices = true;
IndexData *indexData = subMesh->indexData;
indexData->indexCount = 6 * slices * stacks;
HardwareIndexBufferSharedPtr indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
HardwareIndexBuffer::IT_16BIT,
indexData->indexCount,
HardwareBuffer::HBU_STATIC_WRITE_ONLY);
unsigned short *index = static_cast<unsigned short *>(indexBuffer->lock(HardwareBuffer::HBL_DISCARD));
unsigned short i = 0;
for (int ring = 0; ring < stacks; ring++) {
for (int segment = 0; segment < slices - 1; segment++) {
*index++ = i;
*index++ = i + slices;
*index++ = i + slices + 1;
*index++ = i;
*index++ = i + slices + 1;
*index++ = i + 1;
i++;
}
*index++ = i;
*index++ = i + slices;
*index++ = i + 1;
*index++ = i;
*index++ = i + 1;
*index++ = i + 1 - slices;
i++;
}
indexBuffer->unlock();
indexData->indexBuffer = indexBuffer;
mesh->load();
}
