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//création de la texture bump mapping
void CWinStars2View::BumpMapping(LPDIRECT3DTEXTURE9 *m_pBumpTexture,char* NomTexture, float m_fBumpFactor)
{
TCHAR strTexture[512];
HRESULT hr;
hr=DXUtil_FindMediaFileCch(strTexture,500, NomTexture);
if (!FAILED(hr))
{
LPDIRECT3DTEXTURE9 pHeightMap=NULL;
D3DSURFACE_DESC desc;
hr = D3DUtil_CreateTexture(_device, strTexture, &pHeightMap);
if (!FAILED(hr))
{
pHeightMap->GetLevelDesc(0, &desc);
int iWidth = desc.Width;
int iHeight= desc.Height;
hr= D3DXCreateTexture(_device, iWidth, iHeight,0,0,D3DFMT_Q8W8V8U8, D3DPOOL_MANAGED, m_pBumpTexture);
if (!FAILED(hr))
{
D3DXComputeNormalMap( *m_pBumpTexture, pHeightMap, NULL, 0 , D3DX_CHANNEL_RED, m_fBumpFactor);
}
pHeightMap->Release();
}
}
}
//rendu d'un objet Mesh avec un effet bump mapping
void CWinStars2View::RenderBumpMapping(CD3DMesh *a, LPDIRECT3DTEXTURE9 *texture)
{
//Texture de base
_device->SetTexture(0, *a->m_pTextures);
//Bump mapping
_device->SetTexture(1, *texture);
//paramètres du bump mapping
_device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
_device->SetTextureStageState(0, D3DTSS_COLORARG1,D3DTA_TEXTURE);
_device->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
_device->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1 );
_device->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
_device->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_BUMPENVMAP);
_device->SetTextureStageState(1, D3DTSS_COLORARG1,D3DTA_TEXTURE);
_device->SetTextureStageState(1, D3DTSS_COLORARG2, D3DTA_CURRENT);
//on dessine l'objet
a->GetLocalMesh()->DrawSubset(0);
//retablissement des paramètres de rendu
_device->SetTextureStageState(0,D3DTSS_COLOROP, D3DTOP_MODULATE);
_device->SetTextureStageState(0,D3DTSS_COLORARG1, D3DTA_CURRENT);
_device->SetTextureStageState(0,D3DTSS_COLORARG2, D3DTA_TEXTURE);
_device->SetTextureStageState(1,D3DTSS_COLOROP, D3DTOP_MODULATE);
_device->SetTextureStageState(1,D3DTSS_COLORARG1, D3DTA_CURRENT);
_device->SetTextureStageState(1,D3DTSS_COLORARG2, D3DTA_TEXTURE);
_device->SetTexture(0, NULL);
_device->SetTexture(1, NULL);
} |
