void C3d::Open(const TriFile &tfile)
{
Cleanup();
rotation = true;
if( FAILED( g_pd3dDevice->CreateVertexBuffer(tfile.header.numVertices*sizeof(CUSTOMVERTEX), 0, D3DFVF_CUSTOMVERTEX, D3DPOOL_DEFAULT, &g_pVB, NULL)))
return;
CUSTOMVERTEX* pVertices;
if( FAILED( g_pVB->Lock( 0, 0, (void**)&pVertices, 0 ) ) )
return;
vcount = tfile.header.numVertices;
if(tfile.hasTangentsBinormals)
{
for( DWORD i=0; i<tfile.header.numVertices; i++ )
{
pVertices[i].position = tfile.verticestb(i)->vertexPosition;
pVertices[i].normal = tfile.verticestb(i)->vertexNormal;
pVertices[i].uv = tfile.verticestb(i)->vertexUV;
}
}else{
for( DWORD i=0; i<tfile.header.numVertices; i++ )
{
pVertices[i].position = tfile.verticesc(i)->vertexPosition;
pVertices[i].normal = tfile.verticesc(i)->vertexNormal;
pVertices[i].uv = tfile.verticesc(i)->vertexUV;
}
}
ComputeBoundingSphere(pVertices, vcount, &vCenter, &vRadius);
g_pVB->Unlock();
D3DVIEWPORT9 vp;
g_pd3dDevice->GetViewport(&vp);
vp.MinZ = -((int)vRadius/300)*55.0f;
g_pd3dDevice->SetViewport(&vp);
D3DXMatrixIdentity( &matWorld );
MatrixTranslation( &matWorld, vCenter.x, -vCenter.y, -vCenter.z );
DWORD *indices=NULL;
ClearIndexes();
ClearTextures();
g_pTexture.resize(tfile.header.numSurfaces);
for(unsigned int i = 0; i < tfile.header.numSurfaces; i++)
g_pTexture[i] = NULL;
g_pIB.resize(tfile.header.numSurfaces);
fcount.resize(tfile.header.numSurfaces);
for(dword i = 0; i < tfile.header.numSurfaces; i++)
{
g_pd3dDevice->CreateIndexBuffer(tfile.surfaces[i].numTriangles*3*4,D3DUSAGE_WRITEONLY, D3DFMT_INDEX32, D3DPOOL_MANAGED, &g_pIB[i], NULL);
g_pIB[i]->Lock( 0, 0, (void**)&indices, 0 );
for(dword c = 0; c < tfile.surfaces[i].numTriangles; c++)
{
indices[3*c] = tfile.triangles[i][c][0];
indices[3*c+1] = tfile.triangles[i][c][1];
indices[3*c+2] = tfile.triangles[i][c][2];
}
g_pIB[i]->Unlock();
fcount[i] = tfile.surfaces[i].numTriangles;
}
loaded = true;
}
MeshElement::MeshElement(const VertexElementDescriptor &vertexFormat, const oakvr::core::MemoryBuffer &vb
, uint8_t indexStride, const oakvr::core::MemoryBuffer ib
, sp<Material> &pMaterial)
: m_vertexData{ vb }, m_indexStride{ indexStride }, m_indexData{ ib }, m_pMaterial{pMaterial}
{
m_vertexFormat.push_back(vertexFormat);
m_vertexStride = vertexFormat.size;
m_indexCount = static_cast<uint32_t>(m_indexData.Size() / m_indexStride);
m_vertexCount = static_cast<uint32_t>(m_vertexData.Size() / m_vertexStride);
ComputeBoundingSphere();
}
MeshElement::MeshElement(const std::vector<VertexElementDescriptor> &vertexFormat, const oakvr::core::MemoryBuffer &vb
, uint8_t indexStride, const oakvr::core::MemoryBuffer ib
, sp<Material> &pMaterial, const std::vector<StringId> &vecTextures)
: m_vertexFormat( vertexFormat ), m_vertexData{ vb }, m_indexStride{ indexStride }, m_indexData{ ib }, m_pMaterial{ pMaterial }, m_vecTextures(vecTextures)
{
m_vertexStride = 0;
for (auto &e : m_vertexFormat)
{
m_vertexStride += e.size;
}
m_indexCount = static_cast<uint32_t>(m_indexData.Size() / m_indexStride);
m_vertexCount = static_cast<uint32_t>(m_vertexData.Size() / m_vertexStride);
ComputeBoundingSphere();
}
void CChain::SetChain(const Vector& P0, const Vector& P1, int iNumParticles, int iRigidity, float fParticleRadius, float fParticleMass)
{
Free();
Allocate(iNumParticles, iNumParticles-1);
if (iNumParticles < 2)
return;
if (iRigidity <= 0)
iRigidity = 1;
SetRigidity(iRigidity);
//-----------------------------------------------------------
// copy particles
//-----------------------------------------------------------
Vector P = P0;
Vector D = (P0 - P1) / ((float) iNumParticles);
for(int i = 0; i < iNumParticles; i ++)
{
AddParticle(CParticle(P, fParticleRadius, (i != 0)? fParticleMass : 0.0f));
P += D;
}
//------------------------------------------------------------------
// link particles together
//------------------------------------------------------------------
for(int i = 0; i < iNumParticles-1; i ++)
{
AddConstraint(CLinConstraint(&GetParticle(i), &GetParticle(i+1)));
P += D;
}
ComputeBoundingSphere();
m_iSelfCollisionStep = 2;
}
//
// Framework functions
//
bool Setup()
{
HRESULT hr = 0;
//
// Load the XFile data.
//
ID3DXBuffer* adjBuffer = 0;
ID3DXBuffer* mtrlBuffer = 0;
DWORD numMtrls = 0;
hr = D3DXLoadMeshFromX(
"../media/object/bigship1.x",
D3DXMESH_MANAGED,
Device,
&adjBuffer,
&mtrlBuffer,
0,
&numMtrls,
&Mesh);
if(FAILED(hr))
{
::MessageBox(0, "D3DXLoadMeshFromX() - FAILED", 0, 0);
return false;
}
//
// Extract the materials, load textures.
//
if( mtrlBuffer != 0 && numMtrls != 0 )
{
D3DXMATERIAL* mtrls = (D3DXMATERIAL*)mtrlBuffer->GetBufferPointer();
for(int i = 0; i < numMtrls; i++)
{
// the MatD3D property doesn't have an ambient value set
// when its loaded, so set it now:
mtrls[i].MatD3D.Ambient = mtrls[i].MatD3D.Diffuse;
// save the ith material
Mtrls.push_back( mtrls[i].MatD3D );
// check if the ith material has an associative texture
if( mtrls[i].pTextureFilename != 0 )
{
// yes, load the texture for the ith subset
IDirect3DTexture9* tex = 0;
D3DXCreateTextureFromFile(
Device,
mtrls[i].pTextureFilename,
&tex);
// save the loaded texture
Textures.push_back( tex );
}
else
{
// no texture for the ith subset
Textures.push_back( 0 );
}
}
}
byhj::Release<ID3DXBuffer*>(mtrlBuffer); // done w/ buffer
//
// Optimize the mesh.
//
hr = Mesh->OptimizeInplace(
D3DXMESHOPT_ATTRSORT |
D3DXMESHOPT_COMPACT |
D3DXMESHOPT_VERTEXCACHE,
(DWORD*)adjBuffer->GetBufferPointer(),
0, 0, 0);
byhj::Release<ID3DXBuffer*>(adjBuffer); // done w/ buffer
if(FAILED(hr))
{
::MessageBox(0, "OptimizeInplace() - FAILED", 0, 0);
return false;
}
//
// Compute Bounding Sphere and Bounding Box.
//
byhj::BoundingSphere boundingSphere;
byhj::BoundingBox boundingBox;
ComputeBoundingSphere(Mesh, &boundingSphere);
ComputeBoundingBox(Mesh, &boundingBox);
D3DXCreateSphere(
Device,
boundingSphere._radius,
20,
20,
&SphereMesh,
0);
D3DXCreateBox(
Device,
boundingBox._max.x - boundingBox._min.x,
boundingBox._max.y - boundingBox._min.y,
boundingBox._max.z - boundingBox._min.z,
&BoxMesh,
0);
//
// Set texture filters.
//
Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
Device->SetSamplerState(0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);
//
// Set Lights.
//
D3DXVECTOR3 dir(1.0f, -1.0f, 1.0f);
D3DXCOLOR col(1.0f, 1.0f, 1.0f, 1.0f);
D3DLIGHT9 light = byhj::InitDirectionalLight(&dir, &col);
Device->SetLight(0, &light);
Device->LightEnable(0, true);
Device->SetRenderState(D3DRS_NORMALIZENORMALS, true);
Device->SetRenderState(D3DRS_SPECULARENABLE, true);
//
// Set camera.
//
D3DXVECTOR3 pos(4.0f, 12.0f, -20.0f);
D3DXVECTOR3 target(0.0f, 0.0f, 0.0f);
D3DXVECTOR3 up(0.0f, 1.0f, 0.0f);
D3DXMATRIX V;
D3DXMatrixLookAtLH(
&V,
&pos,
&target,
&up);
Device->SetTransform(D3DTS_VIEW, &V);
//
// Set projection matrix.
//
D3DXMATRIX proj;
D3DXMatrixPerspectiveFovLH(
&proj,
D3DX_PI * 0.5f, // 90 - degree
(float)Width / (float)Height,
1.0f,
1000.0f);
Device->SetTransform(D3DTS_PROJECTION, &proj);
return true;
}
////////////////////////////////////////////////////////////////////////
///
/// Loads DirectX mesh file.
///
/// @param filename Filename to load.
///
/// @return success or failure.
///
////////////////////////////////////////////////////////////////////////
const VCNBool VCNDXMesh::LoadFromFile( const VCNString& filename )
{
VCND3D9* renderer = static_cast<VCND3D9*>( VCNRenderCore::GetInstance() );
LPDIRECT3DDEVICE9 d3dDevice = renderer->GetD3DDevice();
CComPtr<ID3DXMesh> systemMesh;
CComPtr<ID3DXBuffer> materialBuffer;
// Load the mesh from the specified file
//
DWORD numMaterials = 0;
HRESULT hr = D3DXLoadMeshFromX(filename.c_str(), D3DXMESH_SYSTEMMEM,
d3dDevice, NULL, &materialBuffer,NULL, &numMaterials, &systemMesh );
if ( FAILED(hr) )
return false;
// Load materials
//
D3DXMATERIAL* d3dxMaterials = (D3DXMATERIAL*)materialBuffer->GetBufferPointer();
for (DWORD i = 0; i < numMaterials; ++i)
{
VCN_ASSERT_MSG( i == 0 || mMaterialID == kInvalidResID, VCNTXT("We do not support multiple material per meshes") );
// Create the texture if it exists - it may not
if (d3dxMaterials[i].pTextureFilename)
{
VCNString texturePath = VCNTXT("Textures/");
texturePath += VCN_A2W(d3dxMaterials[i].pTextureFilename);
// Check if the texture is already loaded
VCNResID texID = kInvalidResID;
VCND3D9Texture* resTexture = VCNResourceCore::GetInstance()->GetResource<VCND3D9Texture>(texturePath);
if (!resTexture)
{
LPDIRECT3DTEXTURE9 d3dTexture = NULL;
hr = D3DXCreateTextureFromFile(d3dDevice, texturePath.c_str(), &d3dTexture);
VCN_ASSERT_MSG( SUCCEEDED(hr), _T("Can't load texture [%s]"), texturePath.c_str() );
resTexture = new VCND3D9Texture( d3dTexture );
resTexture->SetName( texturePath );
texID = VCNResourceCore::GetInstance()->AddResource( texturePath, resTexture );
}
else
{
texID = resTexture->GetResourceID();
}
VCNMaterial* material = new VCNMaterial();
material->SetName( VCNString(VCNTXT("material_dx_mesh_")) + filename );
material->SetAmbientColor( VCNColor((const VCNFloat*)&d3dxMaterials[i].MatD3D.Ambient) );
material->SetDiffuseColor( VCNColor((const VCNFloat*)&d3dxMaterials[i].MatD3D.Diffuse) );
material->SetSpecularColor( VCNColor((const VCNFloat*)&d3dxMaterials[i].MatD3D.Specular) );
material->SetSpecularPower( d3dxMaterials[i].MatD3D.Power );
VCNEffectParamSet& params = material->GetEffectParamSet();
params.SetEffectID( eidLitTextured );
params.AddResource( VCNTXT("DiffuseTexture"), texID );
// Add material as a resource.
mMaterialID = VCNResourceCore::GetInstance()->AddResource( material->GetName(), material );
}
}
// Optimize the mesh if possible
//
const VCNUInt faceCount = systemMesh->GetNumFaces();
DWORD* adjac = new DWORD[faceCount*3];
hr = systemMesh->GenerateAdjacency(0.5f, adjac);
hr = systemMesh->OptimizeInplace(D3DXMESHOPT_VERTEXCACHE, adjac, NULL, NULL, NULL);
// Calculate Tangent and Binormal
hr = D3DXComputeTangentFrameEx(systemMesh,
D3DDECLUSAGE_TEXCOORD, 0,
D3DDECLUSAGE_TANGENT, 0,
D3DDECLUSAGE_BINORMAL, 0,
D3DDECLUSAGE_NORMAL, 0,
D3DXTANGENT_DONT_ORTHOGONALIZE | D3DXTANGENT_WEIGHT_BY_AREA,
adjac,
-1.01f, -0.01f, -1.01f,
&systemMesh,
NULL);
delete [] adjac;
// Load caches
//
const VCNUInt vertexCount = systemMesh->GetNumVertices();
const DWORD meshFVF = systemMesh->GetFVF();
const DWORD stride = D3DXGetFVFVertexSize( meshFVF );
const DWORD positionStride = D3DXGetFVFVertexSize( D3DFVF_XYZ );
const DWORD normalStride = D3DXGetFVFVertexSize( D3DFVF_NORMAL );
const DWORD diffuseStride = D3DXGetFVFVertexSize( D3DFVF_DIFFUSE );
const DWORD textureStride = D3DXGetFVFVertexSize( D3DFVF_TEX1 );
VCNFloat* vtPositionBufStart = new VCNFloat[vertexCount * kCacheStrides[VT_POSITION]];
VCNFloat* vtNormalBufStart = new VCNFloat[vertexCount * kCacheStrides[VT_LIGHTING]];
VCNFloat* vtTextureBufStart = new VCNFloat[vertexCount * kCacheStrides[VT_DIFFUSE_TEX_COORDS]];
VCNFloat* vtPositionBuf = vtPositionBufStart;
VCNFloat* vtNormalBuf = vtNormalBufStart;
VCNFloat* vtTextureBuf = vtTextureBufStart;
BYTE* vbptr = NULL;
systemMesh->LockVertexBuffer(D3DLOCK_READONLY, (LPVOID*)&vbptr);
for(VCNUInt i = 0; i < vertexCount; ++i)
{
if ( meshFVF == (D3DFVF_XYZ | D3DFVF_NORMAL | D3DFVF_TEX1) )
{
// Read position
D3DXVECTOR3* pos = (D3DXVECTOR3*)vbptr;
*vtPositionBuf = pos->x; vtPositionBuf++;
*vtPositionBuf = pos->y; vtPositionBuf++;
*vtPositionBuf = pos->z; vtPositionBuf++;
// Read normal
D3DXVECTOR3* normal = (D3DXVECTOR3*)(vbptr + positionStride);
*vtNormalBuf = normal->x; vtNormalBuf++;
*vtNormalBuf = normal->y; vtNormalBuf++;
*vtNormalBuf = normal->z; vtNormalBuf++;
// Set default diffuse color
std::fill(vtNormalBuf, vtNormalBuf+3, 1.0f);
vtNormalBuf += 3;
float* texCoords = (float*)(vbptr + positionStride + normalStride);
*vtTextureBuf = texCoords[0]; vtTextureBuf++;
*vtTextureBuf = texCoords[1]; vtTextureBuf++;
vbptr += stride;
}
else
{
VCN_ASSERT_FAIL( VCNTXT("Mesh FVF not supported [FVF(%d) stride = %d]"), meshFVF, stride );
}
}
systemMesh->UnlockVertexBuffer();
VCNResID positionCache = renderer->CreateCache(VT_POSITION, vtPositionBufStart, vertexCount * kCacheStrides[VT_POSITION]);
VCNResID lightingCache = renderer->CreateCache(VT_LIGHTING, vtNormalBufStart, vertexCount * kCacheStrides[VT_LIGHTING]);
VCNResID textureCache = renderer->CreateCache(VT_DIFFUSE_TEX_COORDS, vtTextureBufStart, vertexCount * kCacheStrides[VT_DIFFUSE_TEX_COORDS]);
SetCacheID(VT_POSITION, positionCache);
SetCacheID(VT_LIGHTING, lightingCache);
SetCacheID(VT_DIFFUSE_TEX_COORDS, textureCache);
delete [] vtPositionBufStart;
delete [] vtNormalBufStart;
delete [] vtTextureBufStart;
VCNUShort* ibptr = NULL;
VCNUShort* indices = new VCNUShort[faceCount * 3];
systemMesh->LockIndexBuffer(D3DLOCK_READONLY, (LPVOID*)&ibptr);
for(VCNUInt i = 0; i < systemMesh->GetNumFaces(); i++)
{
indices[(i * 3) + 0] = *(ibptr++);
indices[(i * 3) + 1] = *(ibptr++);
indices[(i * 3) + 2] = *(ibptr++);
}
systemMesh->UnlockIndexBuffer();
VCNResID indexCacheID = renderer->CreateCache(VT_INDEX, indices, faceCount * 3 * kCacheStrides[VT_INDEX]);
SetFaceCache(indexCacheID);
SetFaceCount(faceCount);
SetPrimitiveType(PT_TRIANGLELIST);
delete [] indices;
// Compute bounding sphere
if ( !ComputeBoundingSphere(systemMesh) )
return false;
return true;
}
