void d3d_vis::draw_graph( vb_id verts, size_t n_verts, ib_id inds, size_t n_inds )
{
in_world();
pdevice_->SetStreamSource(0, vbs_[verts], 0, sizeof (b_vertex));
pdevice_->SetIndices(ibs_[inds]);
pdevice_->DrawIndexedPrimitive(D3DPT_LINELIST, 0, 0, n_verts, 0, n_inds);
in_screen();
}
static inline int
move_point (Point *p, int x, int y)
{
if ( in_screen( p->x + x, p->y + y ) ) {
p->x += x;
p->y += y;
return 1;
} else {
return 0;
}
}
d3d_vis::d3d_vis(HWND hwnd, LPDIRECT3DDEVICE9 pdevice)
: hwnd_ (hwnd),
pdevice_ (pdevice),
color_ (D3DCOLOR_XRGB(255,255,0)),
ofs_ (0.0f, 0.0f),
scale_ (1.0f)
{
RECT myrect;
GetClientRect (hwnd_, &myrect);
HRESULT hr = D3DXCreateFont( pdevice_, 16, 0, FW_NORMAL, 0, FALSE, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, TEXT("Arial"), &pfont_ );
assert (SUCCEEDED(hr));
D3DXMATRIX proj;
D3DXMatrixOrthoOffCenterRH (&proj, 0, (float)myrect.right, (float)myrect.bottom, 0, -1.0f, 1.0f);
pdevice_->SetTransform (D3DTS_PROJECTION, &proj);
D3DVERTEXELEMENT9 dwDeclSingle[] =
{
{0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
{1, 0, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0} ,
D3DDECL_END()
};
D3DVERTEXELEMENT9 dwDeclMulti[] =
{
{0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
{0, 12, D3DDECLTYPE_D3DCOLOR, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0} ,
D3DDECL_END()
};
pdevice_->CreateVertexDeclaration(dwDeclSingle, &pvdeclsingle_);
pdevice_->CreateVertexDeclaration(dwDeclMulti, &pvdeclmulti_);
pdevice_->CreateVertexBuffer(sizeof (DWORD), 0, 0, D3DPOOL_MANAGED, &psinglecolor_, NULL);
pdevice_->CreateVertexBuffer(sizeof (b_vertex) * 5, 0, 0, D3DPOOL_MANAGED, &prect_, NULL);
pdevice_->SetStreamSource(1, psinglecolor_, 0, 0);
set_color (0xFFFFFFFF);
in_screen();
}
