void NIFMeshLoader::createSubMesh(Ogre::Mesh *mesh, const Nif::NiTriShape *shape)
{
const Nif::NiTriShapeData *data = shape->data.getPtr();
const Nif::NiSkinInstance *skin = (shape->skin.empty() ? NULL : shape->skin.getPtr());
std::vector<Ogre::Vector3> srcVerts = data->vertices;
std::vector<Ogre::Vector3> srcNorms = data->normals;
Ogre::HardwareBuffer::Usage vertUsage = Ogre::HardwareBuffer::HBU_STATIC;
bool vertShadowBuffer = false;
bool geomMorpherController = false;
if(!shape->controller.empty())
{
Nif::ControllerPtr ctrl = shape->controller;
do {
if(ctrl->recType == Nif::RC_NiGeomMorpherController)
{
vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
vertShadowBuffer = true;
geomMorpherController = true;
break;
}
} while(!(ctrl=ctrl->next).empty());
}
if(skin != NULL)
{
vertUsage = Ogre::HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY;
vertShadowBuffer = true;
// Only set a skeleton when skinning. Unskinned meshes with a skeleton will be
// explicitly attached later.
mesh->setSkeletonName(mName);
// Convert vertices and normals to bone space from bind position. It would be
// better to transform the bones into bind position, but there doesn't seem to
// be a reliable way to do that.
std::vector<Ogre::Vector3> newVerts(srcVerts.size(), Ogre::Vector3(0.0f));
std::vector<Ogre::Vector3> newNorms(srcNorms.size(), Ogre::Vector3(0.0f));
const Nif::NiSkinData *data = skin->data.getPtr();
const Nif::NodeList &bones = skin->bones;
for(size_t b = 0;b < bones.length();b++)
{
Ogre::Matrix4 mat;
mat.makeTransform(data->bones[b].trafo.trans, Ogre::Vector3(data->bones[b].trafo.scale),
Ogre::Quaternion(data->bones[b].trafo.rotation));
mat = bones[b]->getWorldTransform() * mat;
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[b].weights;
for(size_t i = 0;i < weights.size();i++)
{
size_t index = weights[i].vertex;
float weight = weights[i].weight;
newVerts.at(index) += (mat*srcVerts[index]) * weight;
if(newNorms.size() > index)
{
Ogre::Vector4 vec4(srcNorms[index][0], srcNorms[index][1], srcNorms[index][2], 0.0f);
vec4 = mat*vec4 * weight;
newNorms[index] += Ogre::Vector3(&vec4[0]);
}
}
}
srcVerts = newVerts;
srcNorms = newNorms;
}
else
{
Ogre::SkeletonManager *skelMgr = Ogre::SkeletonManager::getSingletonPtr();
if(skelMgr->getByName(mName).isNull())
{
// No skinning and no skeleton, so just transform the vertices and
// normals into position.
Ogre::Matrix4 mat4 = shape->getWorldTransform();
for(size_t i = 0;i < srcVerts.size();i++)
{
Ogre::Vector4 vec4(srcVerts[i].x, srcVerts[i].y, srcVerts[i].z, 1.0f);
vec4 = mat4*vec4;
srcVerts[i] = Ogre::Vector3(&vec4[0]);
}
for(size_t i = 0;i < srcNorms.size();i++)
{
Ogre::Vector4 vec4(srcNorms[i].x, srcNorms[i].y, srcNorms[i].z, 0.0f);
vec4 = mat4*vec4;
srcNorms[i] = Ogre::Vector3(&vec4[0]);
}
}
}
// Set the bounding box first
BoundsFinder bounds;
bounds.add(&srcVerts[0][0], srcVerts.size());
if(!bounds.isValid())
{
float v[3] = { 0.0f, 0.0f, 0.0f };
bounds.add(&v[0], 1);
}
mesh->_setBounds(Ogre::AxisAlignedBox(bounds.minX()-0.5f, bounds.minY()-0.5f, bounds.minZ()-0.5f,
bounds.maxX()+0.5f, bounds.maxY()+0.5f, bounds.maxZ()+0.5f));
mesh->_setBoundingSphereRadius(bounds.getRadius());
// This function is just one long stream of Ogre-barf, but it works
// great.
Ogre::HardwareBufferManager *hwBufMgr = Ogre::HardwareBufferManager::getSingletonPtr();
Ogre::HardwareVertexBufferSharedPtr vbuf;
Ogre::HardwareIndexBufferSharedPtr ibuf;
Ogre::VertexBufferBinding *bind;
Ogre::VertexDeclaration *decl;
int nextBuf = 0;
Ogre::SubMesh *sub = mesh->createSubMesh();
// Add vertices
sub->useSharedVertices = false;
sub->vertexData = new Ogre::VertexData();
sub->vertexData->vertexStart = 0;
sub->vertexData->vertexCount = srcVerts.size();
decl = sub->vertexData->vertexDeclaration;
bind = sub->vertexData->vertexBufferBinding;
if(srcVerts.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcVerts.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcVerts[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
bind->setBinding(nextBuf++, vbuf);
}
// Vertex normals
if(srcNorms.size())
{
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3),
srcNorms.size(), vertUsage, vertShadowBuffer);
vbuf->writeData(0, vbuf->getSizeInBytes(), &srcNorms[0][0], true);
decl->addElement(nextBuf, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
bind->setBinding(nextBuf++, vbuf);
}
// Vertex colors
const std::vector<Ogre::Vector4> &colors = data->colors;
if(colors.size())
{
Ogre::RenderSystem *rs = Ogre::Root::getSingleton().getRenderSystem();
std::vector<Ogre::RGBA> colorsRGB(colors.size());
for(size_t i = 0;i < colorsRGB.size();i++)
{
Ogre::ColourValue clr(colors[i][0], colors[i][1], colors[i][2], colors[i][3]);
rs->convertColourValue(clr, &colorsRGB[i]);
}
vbuf = hwBufMgr->createVertexBuffer(Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR),
colorsRGB.size(), Ogre::HardwareBuffer::HBU_STATIC);
vbuf->writeData(0, vbuf->getSizeInBytes(), &colorsRGB[0], true);
decl->addElement(nextBuf, 0, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
bind->setBinding(nextBuf++, vbuf);
}
// Texture UV coordinates
size_t numUVs = data->uvlist.size();
if (numUVs)
{
size_t elemSize = Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT2);
for(size_t i = 0; i < numUVs; i++)
decl->addElement(nextBuf, elemSize*i, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, i);
vbuf = hwBufMgr->createVertexBuffer(decl->getVertexSize(nextBuf), srcVerts.size(),
Ogre::HardwareBuffer::HBU_STATIC);
std::vector<Ogre::Vector2> allUVs;
allUVs.reserve(srcVerts.size()*numUVs);
for (size_t vert = 0; vert<srcVerts.size(); ++vert)
for(size_t i = 0; i < numUVs; i++)
allUVs.push_back(data->uvlist[i][vert]);
vbuf->writeData(0, elemSize*srcVerts.size()*numUVs, &allUVs[0], true);
bind->setBinding(nextBuf++, vbuf);
}
// Triangle faces
const std::vector<short> &srcIdx = data->triangles;
if(srcIdx.size())
{
ibuf = hwBufMgr->createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT, srcIdx.size(),
Ogre::HardwareBuffer::HBU_STATIC);
ibuf->writeData(0, ibuf->getSizeInBytes(), &srcIdx[0], true);
sub->indexData->indexBuffer = ibuf;
sub->indexData->indexCount = srcIdx.size();
sub->indexData->indexStart = 0;
}
// Assign bone weights for this TriShape
if(skin != NULL)
{
Ogre::SkeletonPtr skel = Ogre::SkeletonManager::getSingleton().getByName(mName);
const Nif::NiSkinData *data = skin->data.getPtr();
const Nif::NodeList &bones = skin->bones;
for(size_t i = 0;i < bones.length();i++)
{
Ogre::VertexBoneAssignment boneInf;
boneInf.boneIndex = skel->getBone(bones[i]->name)->getHandle();
const std::vector<Nif::NiSkinData::VertWeight> &weights = data->bones[i].weights;
for(size_t j = 0;j < weights.size();j++)
{
boneInf.vertexIndex = weights[j].vertex;
boneInf.weight = weights[j].weight;
sub->addBoneAssignment(boneInf);
}
}
}
const Nif::NiTexturingProperty *texprop = NULL;
const Nif::NiMaterialProperty *matprop = NULL;
const Nif::NiAlphaProperty *alphaprop = NULL;
const Nif::NiVertexColorProperty *vertprop = NULL;
const Nif::NiZBufferProperty *zprop = NULL;
const Nif::NiSpecularProperty *specprop = NULL;
const Nif::NiWireframeProperty *wireprop = NULL;
bool needTangents = false;
shape->getProperties(texprop, matprop, alphaprop, vertprop, zprop, specprop, wireprop);
std::string matname = NIFMaterialLoader::getMaterial(data, mesh->getName(), mGroup,
texprop, matprop, alphaprop,
vertprop, zprop, specprop,
wireprop, needTangents);
if(matname.length() > 0)
sub->setMaterialName(matname);
// build tangents if the material needs them
if (needTangents)
{
unsigned short src,dest;
if (!mesh->suggestTangentVectorBuildParams(Ogre::VES_TANGENT, src,dest))
mesh->buildTangentVectors(Ogre::VES_TANGENT, src,dest);
}
// Create a dummy vertex animation track if there's a geom morpher controller
// This is required to make Ogre create the buffers we will use for software vertex animation
if (srcVerts.size() && geomMorpherController)
mesh->createAnimation("dummy", 0)->createVertexTrack(1, sub->vertexData, Ogre::VAT_MORPH);
}
void CSceletalAnimationView::EngineSetup(void)
{
Ogre::Root *Root = ((CSceletalAnimationApp*)AfxGetApp())->m_Engine->GetRoot();
Ogre::SceneManager *SceneManager = NULL;
SceneManager = Root->createSceneManager(Ogre::ST_GENERIC, "Animation");
//
// Create a render window
// This window should be the current ChildView window using the externalWindowHandle
// value pair option.
//
Ogre::NameValuePairList parms;
parms["externalWindowHandle"] = Ogre::StringConverter::toString((long)m_hWnd);
parms["vsync"] = "true";
CRect rect;
GetClientRect(&rect);
Ogre::RenderTarget *RenderWindow = Root->getRenderTarget("Mouse Input");
if (RenderWindow == NULL)
{
try
{
m_RenderWindow = Root->createRenderWindow("Mouse Input", rect.Width(), rect.Height(), false, &parms);
}
catch(...)
{
MessageBox("Cannot initialize\nCheck that graphic-card driver is up-to-date", "Initialize Render System", MB_OK | MB_ICONSTOP);
exit(EXIT_SUCCESS);
}
}
// Load resources
Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
// Create the camera
m_Camera = SceneManager->createCamera("Camera");
m_Camera->setNearClipDistance(0.5);
m_Camera->setFarClipDistance(5000);
m_Camera->setCastShadows(false);
m_Camera->setUseRenderingDistance(true);
m_Camera->setPosition(Ogre::Vector3(5.0, 5.0, 10.0));
Ogre::SceneNode *CameraNode = NULL;
CameraNode = SceneManager->getRootSceneNode()->createChildSceneNode("CameraNode");
Ogre::Viewport* Viewport = NULL;
if (0 == m_RenderWindow->getNumViewports())
{
Viewport = m_RenderWindow->addViewport(m_Camera);
Viewport->setBackgroundColour(Ogre::ColourValue(0.8f, 0.8f, 0.8f));
}
// Alter the camera aspect ratio to match the viewport
m_Camera->setAspectRatio(Ogre::Real(rect.Width()) / Ogre::Real(rect.Height()));
m_Camera->lookAt(Ogre::Vector3(0.5, 0.5, 0.5));
m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
Ogre::ManualObject* ManualObject = NULL;
ManualObject = SceneManager->createManualObject("Animation");
ManualObject->setDynamic(false);
ManualObject->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_TRIANGLE_LIST);
//face 1
ManualObject->position(0, 0, 0);//0
ManualObject->position(1, 0, 0);//1
ManualObject->position(1, 1, 0);//2
ManualObject->triangle(0, 1, 2);//3
ManualObject->position(0, 0, 0);//4
ManualObject->position(1, 1, 0);//5
ManualObject->position(0, 1, 0);//6
ManualObject->triangle(3, 4, 5);//7
//face 2
ManualObject->position(0, 0, 1);//8
ManualObject->position(1, 0, 1);//9
ManualObject->position(1, 1, 1);//10
ManualObject->triangle(6, 7, 8);//11
ManualObject->position(0, 0, 1);//12
ManualObject->position(1, 1, 1);//13
ManualObject->position(0, 1, 1);//14
ManualObject->triangle(9, 10, 11);//15
//face 3
ManualObject->position(0, 0, 0);//16
ManualObject->position(1, 0, 0);//17
ManualObject->position(1, 0, 1);//18
ManualObject->triangle(12, 13, 14);//19
ManualObject->position(0, 0, 0);
ManualObject->position(1, 0, 1);
ManualObject->position(0, 1, 1);
ManualObject->triangle(15, 16, 17);
//face 4
ManualObject->position(1, 0, 0);
ManualObject->position(1, 1, 0);
ManualObject->position(1, 1, 1);
ManualObject->triangle(18, 19, 20);
ManualObject->position(1, 0, 0);
ManualObject->position(1, 1, 1);
ManualObject->position(1, 0, 1);
ManualObject->triangle(21, 22, 23);
//face 5
ManualObject->position(0, 1, 0);
ManualObject->position(1, 1, 0);
ManualObject->position(0, 1, 1);
ManualObject->triangle(24, 25, 26);
ManualObject->position(1, 1, 0);
ManualObject->position(1, 1, 1);
ManualObject->position(0, 1, 1);
ManualObject->triangle(27, 28, 29);
//face 6
ManualObject->position(0, 0, 0);
ManualObject->position(0, 1, 1);
ManualObject->position(0, 0, 1);
ManualObject->triangle(30, 31, 32);
ManualObject->position(0, 0, 0);
ManualObject->position(0, 1, 0);
ManualObject->position(0, 1, 1);
ManualObject->triangle(33, 34, 35);
ManualObject->end();
Ogre::MeshPtr MeshPtr = ManualObject->convertToMesh("Animation");
Ogre::SubMesh* sub = MeshPtr->getSubMesh(0);
Ogre::SkeletonPtr Skeleton = Ogre::SkeletonManager::getSingleton().create("Skeleton", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
MeshPtr.getPointer()->_notifySkeleton(Skeleton);
Ogre::Bone *Root1 = NULL;
Ogre::Bone *Child1 = NULL;
Ogre::Bone *Child2 = NULL;
Root1 = Skeleton.getPointer()->createBone("Root");
Root1->setPosition(Ogre::Vector3(0.0, 0.0, 0.0));
Root1->setOrientation(Ogre::Quaternion::IDENTITY);
Child1 = Root1->createChild(1);
Child1->setPosition(Ogre::Vector3(4.0, 0.0, 0.0));
Child1->setOrientation(Ogre::Quaternion::IDENTITY);
Child2 = Root1->createChild(2);
Child2->setPosition(Ogre::Vector3(5.0, 0.0, 0.0));
Child2->setOrientation(Ogre::Quaternion::IDENTITY);
Ogre::VertexBoneAssignment Assignment;
Assignment.boneIndex = 0;
Assignment.vertexIndex = 0;
Assignment.weight = 1.0;
Skeleton->setBindingPose();
sub->addBoneAssignment(Assignment);
Assignment.vertexIndex = 1;
sub->addBoneAssignment(Assignment);
Assignment.vertexIndex = 2;
sub->addBoneAssignment(Assignment);
Ogre::Animation *Animation = MeshPtr->createAnimation("HandAnimation", 100.0);
Ogre::NodeAnimationTrack *Track = Animation->createNodeTrack(0, Root1);
Ogre::TransformKeyFrame *KeyFrame = NULL;
for (float FrameTime = 0.0; FrameTime < 100.0; FrameTime += 0.1)
{
KeyFrame = Track->createNodeKeyFrame(FrameTime);
KeyFrame->setTranslate(Ogre::Vector3(10.0, 0.0, 0.0));
}
Root1->setManuallyControlled(true);
Child1->setManuallyControlled(true);
Child2->setManuallyControlled(true);
MeshPtr->load();
MeshPtr.getPointer()->_notifySkeleton(Skeleton);
// Ogre::SkeletonSerializer skeletonSerializer;
// skeletonSerializer.exportSkeleton(Skeleton.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.skeleton");
// Ogre::MeshSerializer ser;
// ser.exportMesh(MeshPtr.get(), "C:\\Users\\Ilya\\Documents\\Visual Studio 2010\\Projects\\Recipes\\media\\models\\testskeleton.mesh");
Ogre::Entity *Entity = SceneManager->createEntity("Animation", "Animation"/*"testskeleton.mesh"*/);
Ogre::SceneNode *SceneNode = SceneManager->getRootSceneNode()->createChildSceneNode();
SceneNode->attachObject(Entity);
Entity->setDisplaySkeleton(true);
m_AnimationState = Entity->getAnimationState("HandAnimation");
m_AnimationState->setEnabled(true);
m_AnimationState->setLoop(true);
m_Camera->setPolygonMode(Ogre::PolygonMode::PM_WIREFRAME);
Root->renderOneFrame();
}
void MilkshapePlugin::doExportMesh(msModel* pModel)
{
// Create singletons
Ogre::SkeletonManager skelMgr;
Ogre::DefaultHardwareBufferManager defHWBufMgr;
Ogre::LogManager& logMgr = Ogre::LogManager::getSingleton();
Ogre::MeshManager meshMgr;
//
// choose filename
//
OPENFILENAME ofn;
memset (&ofn, 0, sizeof (OPENFILENAME));
char szFile[MS_MAX_PATH];
char szFileTitle[MS_MAX_PATH];
char szDefExt[32] = "mesh";
char szFilter[128] = "OGRE .mesh Files (*.mesh)\0*.mesh\0All Files (*.*)\0*.*\0\0";
szFile[0] = '\0';
szFileTitle[0] = '\0';
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.lpstrDefExt = szDefExt;
ofn.lpstrFilter = szFilter;
ofn.lpstrFile = szFile;
ofn.nMaxFile = MS_MAX_PATH;
ofn.lpstrFileTitle = szFileTitle;
ofn.nMaxFileTitle = MS_MAX_PATH;
ofn.Flags = OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST;
ofn.lpstrTitle = "Export to OGRE Mesh";
if (!::GetSaveFileName (&ofn))
return /*0*/;
logMgr.logMessage("Creating Mesh object...");
Ogre::MeshPtr ogreMesh = Ogre::MeshManager::getSingleton().create("export",
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
logMgr.logMessage("Mesh object created.");
bool foundBoneAssignment = false;
// No shared geometry
int i;
int wh, numbones;
int intweight[3], intbones[3];
size_t j;
Ogre::Vector3 min, max, currpos;
Ogre::Real maxSquaredRadius;
bool first = true;
for (i = 0; i < msModel_GetMeshCount (pModel); i++)
{
msMesh *pMesh = msModel_GetMeshAt (pModel, i);
logMgr.logMessage("Creating SubMesh object...");
Ogre::SubMesh* ogreSubMesh = ogreMesh->createSubMesh();
logMgr.logMessage("SubMesh object created.");
// Set material
logMgr.logMessage("Getting SubMesh Material...");
int matIdx = msMesh_GetMaterialIndex(pMesh);
if (matIdx == -1)
{
// No material, use blank
ogreSubMesh->setMaterialName("BaseWhite");
logMgr.logMessage("No Material, using default 'BaseWhite'.");
}
else
{
msMaterial *pMat = msModel_GetMaterialAt(pModel, matIdx);
ogreSubMesh->setMaterialName(pMat->szName);
logMgr.logMessage("SubMesh Material Done.");
}
logMgr.logMessage("Setting up geometry...");
// Set up mesh geometry
ogreSubMesh->vertexData = new Ogre::VertexData();
ogreSubMesh->vertexData->vertexCount = msMesh_GetVertexCount (pMesh);
ogreSubMesh->vertexData->vertexStart = 0;
Ogre::VertexBufferBinding* bind = ogreSubMesh->vertexData->vertexBufferBinding;
Ogre::VertexDeclaration* decl = ogreSubMesh->vertexData->vertexDeclaration;
// Always 1 texture layer, 2D coords
#define POSITION_BINDING 0
#define NORMAL_BINDING 1
#define TEXCOORD_BINDING 2
decl->addElement(POSITION_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
decl->addElement(NORMAL_BINDING, 0, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
decl->addElement(TEXCOORD_BINDING, 0, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES);
// Create buffers
Ogre::HardwareVertexBufferSharedPtr pbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(POSITION_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr nbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(NORMAL_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
Ogre::HardwareVertexBufferSharedPtr tbuf = Ogre::HardwareBufferManager::getSingleton().
createVertexBuffer(decl->getVertexSize(TEXCOORD_BINDING), ogreSubMesh->vertexData->vertexCount,
Ogre::HardwareBuffer::HBU_DYNAMIC, false);
bind->setBinding(POSITION_BINDING, pbuf);
bind->setBinding(NORMAL_BINDING, nbuf);
bind->setBinding(TEXCOORD_BINDING, tbuf);
ogreSubMesh->useSharedVertices = false;
float* pPos = static_cast<float*>(
pbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing positions and texture coords...");
for (j = 0; j < ogreSubMesh->vertexData->vertexCount; ++j)
{
logMgr.logMessage("Doing vertex " + Ogre::StringConverter::toString(j));
msVertex *pVertex = msMesh_GetVertexAt (pMesh, (int)j);
msVertexEx *pVertexEx=msMesh_GetVertexExAt(pMesh, (int)j);
msVec3 Vertex;
msVertex_GetVertex (pVertex, Vertex);
*pPos++ = Vertex[0];
*pPos++ = Vertex[1];
*pPos++ = Vertex[2];
// Deal with bounds
currpos = Ogre::Vector3(Vertex[0], Vertex[1], Vertex[2]);
if (first)
{
min = max = currpos;
maxSquaredRadius = currpos.squaredLength();
first = false;
}
else
{
min.makeFloor(currpos);
max.makeCeil(currpos);
maxSquaredRadius = std::max(maxSquaredRadius, currpos.squaredLength());
}
int boneIdx = msVertex_GetBoneIndex(pVertex);
if (boneIdx != -1)
{
foundBoneAssignment = true;
numbones = 1;
intbones[0] = intbones[1] = intbones[2] = -1;
intweight[0] = intweight[1] = intweight[2] = 0;
for(wh = 0; wh < 3; ++wh)
{
intbones[wh] = msVertexEx_GetBoneIndices(pVertexEx, wh);
if(intbones[wh] == -1)
break;
++numbones;
intweight[wh] = msVertexEx_GetBoneWeights(pVertexEx, wh);
} // for(k)
Ogre::VertexBoneAssignment vertAssign;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(numbones == 1)
{
vertAssign.weight = 1.0;
} // single assignment
else
{
vertAssign.weight=(Ogre::Real)intweight[0]/100.0;
}
ogreSubMesh->addBoneAssignment(vertAssign);
if(numbones > 1)
{
// this somewhat contorted logic is because the first weight [0] matches to the bone assignment
// located with pVertex. The next two weights [1][2] match up to the first two bones found
// with pVertexEx [0][1]. The weight for the fourth bone, if present, is the unassigned weight
for(wh = 0; wh < 3; wh++)
{
boneIdx = intbones[wh];
if(boneIdx == -1)
break;
vertAssign.boneIndex = boneIdx;
vertAssign.vertexIndex = (unsigned int)j;
if(wh == 2)
{
// fourth weight is 1.0-(sumoffirstthreeweights)
vertAssign.weight = 1.0-(((Ogre::Real)intweight[0]/100.0)+
((Ogre::Real)intweight[1]/100.0)+((Ogre::Real)intweight[2]/100.0));
}
else
{
vertAssign.weight=(Ogre::Real)intweight[wh+1];
}
ogreSubMesh->addBoneAssignment(vertAssign);
} // for(k)
} // if(numbones)
}
}
pbuf->unlock();
float* pTex = static_cast<float*>(
tbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
logMgr.logMessage("Doing uvs, normals and indexes (v2)...");
// Aargh, Milkshape uses stupid separate normal indexes for the same vertex like 3DS
// Normals aren't described per vertex but per triangle vertex index
// Pain in the arse, we have to do vertex duplication again if normals differ at a vertex (non smooth)
// WHY don't people realise this format is a pain for passing to 3D APIs in vertex buffers?
float* pNorm = static_cast<float*>(
nbuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
ogreSubMesh->indexData->indexCount = msMesh_GetTriangleCount (pMesh) * 3;
// Always use 16-bit buffers, Milkshape can't handle more anyway
Ogre::HardwareIndexBufferSharedPtr ibuf = Ogre::HardwareBufferManager::getSingleton().
createIndexBuffer(Ogre::HardwareIndexBuffer::IT_16BIT,
ogreSubMesh->indexData->indexCount, Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->indexData->indexBuffer = ibuf;
unsigned short *pIdx = static_cast<unsigned short*>(
ibuf->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (j = 0; j < ogreSubMesh->indexData->indexCount; j+=3)
{
msTriangle *pTriangle = msMesh_GetTriangleAt (pMesh, (int)j/3);
msTriangleEx *pTriangleEx=msMesh_GetTriangleExAt(pMesh, (int)j/3);
word nIndices[3];
msTriangle_GetVertexIndices (pTriangle, nIndices);
msVec3 Normal;
msVec2 uv;
int k, vertIdx;
for (k = 0; k < 3; ++k)
{
vertIdx = nIndices[k];
// Face index
pIdx[j+k] = vertIdx;
// Vertex normals
// For the moment, ignore any discrepancies per vertex
msTriangleEx_GetNormal(pTriangleEx, k, &Normal[0]);
msTriangleEx_GetTexCoord(pTriangleEx, k, &uv[0]);
pTex[(vertIdx*2)]=uv[0];
pTex[(vertIdx*2)+1]=uv[1];
pNorm[(vertIdx*3)] = Normal[0];
pNorm[(vertIdx*3)+1] = Normal[1];
pNorm[(vertIdx*3)+2] = Normal[2];
}
} // Faces
nbuf->unlock();
ibuf->unlock();
tbuf->unlock();
// Now use Ogre's ability to reorganise the vertex buffers the best way
Ogre::VertexDeclaration* newDecl =
ogreSubMesh->vertexData->vertexDeclaration->getAutoOrganisedDeclaration(
foundBoneAssignment, false);
Ogre::BufferUsageList bufferUsages;
for (size_t u = 0; u <= newDecl->getMaxSource(); ++u)
bufferUsages.push_back(Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
ogreSubMesh->vertexData->reorganiseBuffers(newDecl, bufferUsages);
logMgr.logMessage("Geometry done.");
} // SubMesh
// Set bounds
ogreMesh->_setBoundingSphereRadius(Ogre::Math::Sqrt(maxSquaredRadius));
ogreMesh->_setBounds(Ogre::AxisAlignedBox(min, max), false);
// Keep hold of a Skeleton pointer for deletion later
// Mesh uses Skeleton pointer for skeleton name
Ogre::SkeletonPtr pSkel;
if (exportSkeleton && foundBoneAssignment)
{
// export skeleton, also update mesh to point to it
pSkel = doExportSkeleton(pModel, ogreMesh);
}
else if (!exportSkeleton && foundBoneAssignment)
{
// We've found bone assignments, but skeleton is not to be exported
// Prompt the user to find the skeleton
if (!locateSkeleton(ogreMesh))
return;
}
// Export
logMgr.logMessage("Creating MeshSerializer..");
Ogre::MeshSerializer serializer;
logMgr.logMessage("MeshSerializer created.");
// Generate LODs if required
if (generateLods)
{
// Build LOD depth list
Ogre::Mesh::LodDistanceList distList;
float depth = 0;
for (unsigned short depthidx = 0; depthidx < numLods; ++depthidx)
{
depth += lodDepthIncrement;
distList.push_back(depth);
}
ogreMesh->generateLodLevels(distList, lodReductionMethod, lodReductionAmount);
}
if (generateEdgeLists)
{
ogreMesh->buildEdgeList();
}
if (generateTangents)
{
unsigned short src, dest;
ogreMesh->suggestTangentVectorBuildParams(tangentSemantic, src, dest);
ogreMesh->buildTangentVectors(tangentSemantic, src, dest, tangentsSplitMirrored, tangentsSplitRotated, tangentsUseParity);
}
// Export
Ogre::String msg;
msg = "Exporting mesh data to file '" + Ogre::String(szFile) + "'";
logMgr.logMessage(msg);
serializer.exportMesh(ogreMesh.getPointer(), szFile);
logMgr.logMessage("Export successful");
Ogre::MeshManager::getSingleton().remove(ogreMesh->getHandle());
if (!pSkel.isNull())
Ogre::SkeletonManager::getSingleton().remove(pSkel->getHandle());
if (exportMaterials && msModel_GetMaterialCount(pModel) > 0)
{
doExportMaterials(pModel);
}
}
// Write submesh data to an Ogre compatible mesh
bool Submesh::createOgreSubmesh(Ogre::MeshPtr pMesh,const ParamList& params)
{
size_t i,j;
bool stat;
// Create a new submesh
Ogre::SubMesh* pSubmesh;
if (m_name != "")
pSubmesh = pMesh->createSubMesh(m_name.c_str());
else
pSubmesh = pMesh->createSubMesh();
// Set material
pSubmesh->setMaterialName(m_pMaterial->name().c_str());
// Set use shared geometry flag
pSubmesh->useSharedVertices = params.useSharedGeom;
// Create vertex data for current submesh
pSubmesh->vertexData = new Ogre::VertexData();
// Set number of indexes
pSubmesh->indexData->indexCount = 3*m_faces.size();
pSubmesh->vertexData->vertexCount = m_vertices.size();
// Check if we need to use 32 bit indexes
bool use32BitIndexes = false;
if (m_vertices.size() > 65536 || params.useSharedGeom)
{
use32BitIndexes = true;
}
// Create a new index buffer
pSubmesh->indexData->indexBuffer =
Ogre::HardwareBufferManager::getSingleton().createIndexBuffer(
use32BitIndexes ? Ogre::HardwareIndexBuffer::IT_32BIT : Ogre::HardwareIndexBuffer::IT_16BIT,
pSubmesh->indexData->indexCount,
Ogre::HardwareBuffer::HBU_STATIC_WRITE_ONLY);
// Fill the index buffer with faces data
if (use32BitIndexes)
{
Ogre::uint32* pIdx = static_cast<Ogre::uint32*>(
pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (i=0; i<m_faces.size(); i++)
{
*pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[0]);
*pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[1]);
*pIdx++ = static_cast<Ogre::uint32>(m_faces[i].v[2]);
}
pSubmesh->indexData->indexBuffer->unlock();
}
else
{
Ogre::uint16* pIdx = static_cast<Ogre::uint16*>(
pSubmesh->indexData->indexBuffer->lock(Ogre::HardwareBuffer::HBL_DISCARD));
for (i=0; i<m_faces.size(); i++)
{
*pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[0]);
*pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[1]);
*pIdx++ = static_cast<Ogre::uint16>(m_faces[i].v[2]);
}
pSubmesh->indexData->indexBuffer->unlock();
}
// Define vertex declaration (only if we're not using shared geometry)
if(!params.useSharedGeom)
{
Ogre::VertexDeclaration* pDecl = pSubmesh->vertexData->vertexDeclaration;
unsigned buf = 0;
size_t offset = 0;
// Add vertex position
pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_POSITION);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
// Add vertex normal
if (params.exportVertNorm)
{
pDecl->addElement(buf, offset, Ogre::VET_FLOAT3, Ogre::VES_NORMAL);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_FLOAT3);
}
// Add vertex colour
if(params.exportVertCol)
{
pDecl->addElement(buf, offset, Ogre::VET_COLOUR, Ogre::VES_DIFFUSE);
offset += Ogre::VertexElement::getTypeSize(Ogre::VET_COLOUR);
}
// Add texture coordinates
for (i=0; i<m_vertices[0].texcoords.size(); i++)
{
Ogre::VertexElementType uvType = Ogre::VertexElement::multiplyTypeCount(Ogre::VET_FLOAT1, 2);
pDecl->addElement(buf, offset, uvType, Ogre::VES_TEXTURE_COORDINATES, static_cast<unsigned short>(i));
offset += Ogre::VertexElement::getTypeSize(uvType);
}
Ogre::VertexDeclaration* pOptimalDecl = pDecl->getAutoOrganisedDeclaration(
params.exportVBA, params.exportBlendShapes || params.exportVertAnims, false);
// Fill the vertex buffer using the newly created vertex declaration
stat = createOgreVertexBuffer(pSubmesh,pDecl,m_vertices);
// Write vertex bone assignements list
if (params.exportVBA)
{
// Create a new vertex bone assignements list
Ogre::SubMesh::VertexBoneAssignmentList vbas;
// Scan list of shared geometry vertices
for (i=0; i<m_vertices.size(); i++)
{
vertex v = m_vertices[i];
// Add all bone assignemnts for every vertex to the bone assignements list
for (j=0; j<v.vbas.size(); j++)
{
Ogre::VertexBoneAssignment vba;
vba.vertexIndex = static_cast<unsigned int>(i);
vba.boneIndex = v.vbas[j].jointIdx;
vba.weight = v.vbas[j].weight;
vbas.insert(Ogre::SubMesh::VertexBoneAssignmentList::value_type(i, vba));
}
}
// Rationalise the bone assignements list
pSubmesh->parent->_rationaliseBoneAssignments(pSubmesh->vertexData->vertexCount,vbas);
// Add bone assignements to the submesh
for (Ogre::SubMesh::VertexBoneAssignmentList::iterator bi = vbas.begin(); bi != vbas.end(); bi++)
{
pSubmesh->addBoneAssignment(bi->second);
}
pSubmesh->_compileBoneAssignments();
}
pSubmesh->vertexData->reorganiseBuffers(pOptimalDecl);
}
return true;
}
