// Set the material and texture for this subset
d3dDevice->SetMaterial(&meshMaterials);
d3dDevice->SetTexture(0,meshTextures);
If I comment them both out the program works perfect and renders the model without textures. On the debugging mode it says numMaterials = 1. Here's my code:
#include <windows.h>
#include <d3dx9.h>
#include <MMSystem.h>
//globals
LPDIRECT3D9 d3dObject=NULL;
LPDIRECT3DDEVICE9 d3dDevice=NULL;
//mesh loading variables
DWORD numMaterials = 0L;
LPD3DXMESH mesh = NULL;
D3DMATERIAL9* meshMaterials = NULL;
LPDIRECT3DTEXTURE9* meshTextures = NULL;
HRESULT InitD3D( HWND hWnd )
{
//create D3D Object
if( NULL == ( d3dObject=Direct3DCreate9(D3D_SDK_VERSION) ) )
return E_FAIL;
//setup structure for parameters for D3D Device
D3DPRESENT_PARAMETERS presParams;
ZeroMemory(&presParams,sizeof(presParams));
presParams.Windowed=TRUE;
presParams.SwapEffect=D3DSWAPEFFECT_DISCARD;
presParams.BackBufferFormat=D3DFMT_UNKNOWN;
presParams.PresentationInterval=D3DPRESENT_INTERVAL_ONE;
//create D3D Device
if( FAILED (d3dObject->CreateDevice(D3DADAPTER_DEFAULT,D3DDEVTYPE_HAL,hWnd,
D3DCREATE_HARDWARE_VERTEXPROCESSING, &presParams, &d3dDevice) ) )
{
return E_FAIL;
}
// Turn on ambient lighting
d3dDevice->SetRenderState( D3DRS_AMBIENT, 0xffffffff );
return S_OK;
}
HRESULT InitMesh()
{
LPD3DXBUFFER materialBuffer;
// Load the mesh from the specified file
if( FAILED( D3DXLoadMeshFromX( "C:\\Program Files\\Microsoft DirectX SDK\\Samples\\Media\\Tiger\\tiger.x", D3DXMESH_SYSTEMMEM,
d3dDevice, NULL,
&materialBuffer, NULL, &numMaterials,
&mesh ) ) )
{
// If model is not in current folder, try parent folder
if( FAILED( D3DXLoadMeshFromX( "..\\tiger.x", D3DXMESH_SYSTEMMEM,
d3dDevice, NULL,
&materialBuffer, NULL, &numMaterials,
&mesh ) ) )
{
MessageBox( NULL, "Could not find tiger.x", "Meshes.exe", MB_OK );
return E_FAIL;
}
}
D3DXMATERIAL* d3dxMaterials = (D3DXMATERIAL*)materialBuffer->GetBufferPointer();
D3DMATERIAL9 *meshMaterials = new D3DMATERIAL9[numMaterials];
LPDIRECT3DTEXTURE9 *meshTextures = new LPDIRECT3DTEXTURE9[numMaterials];
for (DWORD i=0; i<numMaterials; i++)
{
// Copy the material
meshMaterials = d3dxMaterials.MatD3D;
// Set the ambient color for the material (D3DX does not do this)
meshMaterials.Ambient = meshMaterials.Diffuse;
// Create the texture if it exists - it may not
meshTextures = NULL;
if (d3dxMaterials.pTextureFilename)
D3DXCreateTextureFromFile(d3dDevice, d3dxMaterials.pTextureFilename, &meshTextures);
}
materialBuffer->Release();
return S_OK;
}
VOID SetupMatrices()
{
// Set up world matrix
D3DXMATRIXA16 matWorld;
D3DXMatrixRotationY( &matWorld, timeGetTime() / 1000.0f );
d3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
// Set up our view matrix. A view matrix can be defined given an eye point,
// a point to lookat, and a direction for which way is up. Here, we set the
// eye five units back along the z-axis and up three units, look at the
// origin, and define "up" to be in the y-direction.
D3DXVECTOR3 vEyePt( 0.0f, 3.0f,-5.0f );
D3DXVECTOR3 vLookatPt( 0.0f, 0.0f, 0.0f );
D3DXVECTOR3 vUpVec( 0.0f, 1.0f, 0.0f );
D3DXMATRIXA16 matView;
D3DXMatrixLookAtLH( &matView, &vEyePt, &vLookatPt, &vUpVec );
d3dDevice->SetTransform( D3DTS_VIEW, &matView );
// For the projection matrix, we set up a perspective transform (which
// transforms geometry from 3D view space to 2D viewport space, with
// a perspective divide making objects smaller in the distance). To build
// a perpsective transform, we need the field of view (1/4 pi is common),
// the aspect ratio, and the near and far clipping planes (which define at
// what distances geometry should be no longer be rendered).
D3DXMATRIXA16 matProj;
D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI / 4, 1.0f, 1.0f, 100.0f );
d3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
}
void Render()
{
//clear buffer
d3dDevice->Clear(0,NULL,D3DCLEAR_TARGET, D3DCOLOR_XRGB(0,40,100),1.0f,0);
//begin scene
d3dDevice->BeginScene();
SetupMatrices();
//draw mesh
for (DWORD i=0; i<numMaterials; i++)
{
// Set the material and texture for this subset
d3dDevice->SetMaterial(&meshMaterials);
d3dDevice->SetTexture(0,meshTextures);
// Draw the mesh subset
mesh->DrawSubset( i );
}
//end scene
d3dDevice->EndScene();
//present screen
d3dDevice->Present( NULL, NULL, NULL, NULL );
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
//case WM_COMMAND:
// handle menu selections etc.
//break;
//case WM_PAINT:
// draw our window - note: you must paint something here or not trap it!
//break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
// We do not want to handle this message so pass back to Windows
// to handle it in a default way
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style= CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc= (WNDPROC)WndProc;
wcex.cbClsExtra= 0;
wcex.cbWndExtra= 0;
wcex.hInstance= hInstance;
wcex.hIcon= 0;
wcex.hCursor= LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground= (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName= 0;
wcex.lpszClassName= "MyWindowClass";
wcex.hIconSm= 0;
// Now we can go ahead and register our new window class
RegisterClassEx(&wcex);
HWND hWnd = CreateWindow("MyWindowClass", "Poop", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);
//call initD3D
InitD3D(hWnd);
InitMesh();
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
//enter main loop
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
Render();
}
return (int)msg.wParam;
}
Any ideas?
