void Entity::LoadVertData(std::vector<Vertex::Basic32>& verts, UINT& k)
{
XMFLOAT3 vMinf3(+MathHelper::Infinity, +MathHelper::Infinity, +MathHelper::Infinity);
XMFLOAT3 vMaxf3(-MathHelper::Infinity, -MathHelper::Infinity, -MathHelper::Infinity);
XMVECTOR vMin = XMLoadFloat3(&vMinf3);
XMVECTOR vMax = XMLoadFloat3(&vMaxf3);
for (size_t i = 0; i < mGrid.Vertices.size(); ++i, ++k)
{
verts[k].Pos = mGrid.Vertices[i].Position;
verts[k].Normal = mGrid.Vertices[i].Normal;
verts[k].Tex = mGrid.Vertices[i].TexC;
//Copy Into The Buttons Messh For Future Collision Check
mMeshVertices[i].Pos = mGrid.Vertices[i].Position;
mMeshVertices[i].Normal = mGrid.Vertices[i].Normal;
XMVECTOR P = XMLoadFloat3(&mMeshVertices[i].Pos);
vMin = XMVectorMin(vMin, P);
vMax = XMVectorMax(vMax, P);
}
XMStoreFloat3(&mMeshBox.Center, 0.5f*(vMin + vMax));
XMStoreFloat3(&mMeshBox.Extents, 0.5f*(vMax - vMin));
}
bool D3D11RendererMesh::BuildBuffers(const GeoGen::MeshData& mesh)
{
D3D11_BUFFER_DESC desc = { 0 };
desc.ByteWidth = sizeof(VertexPositionNormalTexture) * mesh.vertices.size();
desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
desc.Usage = D3D11_USAGE_DEFAULT;
m_nVBSize = mesh.vertices.size();
m_nIBSize = mesh.indices.size();
vertices.resize(mesh.vertices.size());
float Infinity = FLT_MAX;
XMFLOAT3 vMinf3(+Infinity, +Infinity, +Infinity);
XMFLOAT3 vMaxf3(-Infinity, -Infinity, -Infinity);
vMin = XMLoadFloat3(&vMinf3);
vMax = XMLoadFloat3(&vMaxf3);
for (UINT i = 0; i < mesh.vertices.size(); ++i)
{
vertices[i].position = mesh.vertices[i].pos;
vertices[i].normal = mesh.vertices[i].normal;
vertices[i].textureCoordinate = mesh.vertices[i].tex;
XMVECTOR P = XMLoadFloat3(&vertices[i].position);
vMin = XMVectorMin(vMin, P);
vMax = XMVectorMax(vMax, P);
}
D3D11_SUBRESOURCE_DATA vData;
vData.pSysMem = &vertices[0];
vData.SysMemPitch = 0;
vData.SysMemSlicePitch = 0;
if (FAILED(m_d3dDevice->CreateBuffer(&desc, &vData, &m_VB)))
{
MessageBox(NULL, L"Create Vertex Buffer failed!", L"Error", MB_OK);
return false;
}
D3D11_BUFFER_DESC iDesc = { 0 };
iDesc.ByteWidth = sizeof(UINT) * mesh.indices.size();
iDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
iDesc.Usage = D3D11_USAGE_DEFAULT;
indices.resize(mesh.indices.size());
for (UINT i = 0; i < mesh.indices.size(); ++i)
{
indices[i] = mesh.indices[i];
}
D3D11_SUBRESOURCE_DATA iData;
iData.pSysMem = &indices[0];
iData.SysMemPitch = 0;
iData.SysMemSlicePitch = 0;
if (FAILED(m_d3dDevice->CreateBuffer(&iDesc, &iData, &m_IB)))
{
MessageBox(NULL, L"Create Index Buffer failed!", L"Error", MB_OK);
return false;
}
return true;
}
void Entity::UpdateAAB()
{
XMFLOAT3 vMinf3(+MathHelper::Infinity, +MathHelper::Infinity, +MathHelper::Infinity);
XMFLOAT3 vMaxf3(-MathHelper::Infinity, -MathHelper::Infinity, -MathHelper::Infinity);
XMVECTOR vMin = XMLoadFloat3(&vMinf3);
XMVECTOR vMax = XMLoadFloat3(&vMaxf3);
for (size_t i = 0; i < mGrid.Vertices.size(); ++i)
{
XMVECTOR P = XMLoadFloat3(&mMeshVertices[i].Pos);
P = XMVector3TransformCoord(P, XMLoadFloat4x4(&mWorld));
vMin = XMVectorMin(vMin, P);
vMax = XMVectorMax(vMax, P);
}
XMStoreFloat3(&mMeshBox.Center, 0.5f*(vMin + vMax));
XMStoreFloat3(&mMeshBox.Extents, 0.5f*(vMax - vMin));
}
void InstancingAndCullingApp::BuildSkullGeometryBuffers()
{
std::ifstream fin("Models/skull.txt");
if(!fin)
{
MessageBox(0, L"Models/skull.txt not found.", 0, 0);
return;
}
UINT vcount = 0;
UINT tcount = 0;
std::string ignore;
fin >> ignore >> vcount;
fin >> ignore >> tcount;
fin >> ignore >> ignore >> ignore >> ignore;
XMFLOAT3 vMinf3(+MathHelper::Infinity, +MathHelper::Infinity, +MathHelper::Infinity);
XMFLOAT3 vMaxf3(-MathHelper::Infinity, -MathHelper::Infinity, -MathHelper::Infinity);
XMVECTOR vMin = XMLoadFloat3(&vMinf3);
XMVECTOR vMax = XMLoadFloat3(&vMaxf3);
std::vector<Vertex::Basic32> vertices(vcount);
for(UINT i = 0; i < vcount; ++i)
{
fin >> vertices[i].Pos.x >> vertices[i].Pos.y >> vertices[i].Pos.z;
fin >> vertices[i].Normal.x >> vertices[i].Normal.y >> vertices[i].Normal.z;
XMVECTOR P = XMLoadFloat3(&vertices[i].Pos);
vMin = XMVectorMin(vMin, P);
vMax = XMVectorMax(vMax, P);
}
XMStoreFloat3(&mSkullBox.Center, 0.5f*(vMin+vMax));
XMStoreFloat3(&mSkullBox.Extents, 0.5f*(vMax-vMin));
fin >> ignore;
fin >> ignore;
fin >> ignore;
mSkullIndexCount = 3*tcount;
std::vector<UINT> indices(mSkullIndexCount);
for(UINT i = 0; i < tcount; ++i)
{
fin >> indices[i*3+0] >> indices[i*3+1] >> indices[i*3+2];
}
fin.close();
D3D11_BUFFER_DESC vbd;
vbd.Usage = D3D11_USAGE_IMMUTABLE;
vbd.ByteWidth = sizeof(Vertex::Basic32) * vcount;
vbd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
vbd.CPUAccessFlags = 0;
vbd.MiscFlags = 0;
D3D11_SUBRESOURCE_DATA vinitData;
vinitData.pSysMem = &vertices[0];
HR(md3dDevice->CreateBuffer(&vbd, &vinitData, &mSkullVB));
//
// Pack the indices of all the meshes into one index buffer.
//
D3D11_BUFFER_DESC ibd;
ibd.Usage = D3D11_USAGE_IMMUTABLE;
ibd.ByteWidth = sizeof(UINT) * mSkullIndexCount;
ibd.BindFlags = D3D11_BIND_INDEX_BUFFER;
ibd.CPUAccessFlags = 0;
ibd.MiscFlags = 0;
D3D11_SUBRESOURCE_DATA iinitData;
iinitData.pSysMem = &indices[0];
HR(md3dDevice->CreateBuffer(&ibd, &iinitData, &mSkullIB));
}