www.pudn.com > Win32DirectX9.rar > d3dfile.cpp
//-----------------------------------------------------------------------------
// File: D3DFile.cpp
//
// Desc: Support code for loading DirectX .X files.
//
// Copyright (c) 1997-2001 Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
#define STRICT
#include
#include
#include
#include
#include
#include
#include
#include "D3DFile.h"
#include "DXUtil.h"
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DMesh::CD3DMesh( TCHAR* strName )
{
_tcsncpy( m_strName, strName, sizeof(m_strName) / sizeof(TCHAR) );
m_strName[sizeof(m_strName) / sizeof(TCHAR) - 1] = _T('\0');
m_pSysMemMesh = NULL;
m_pLocalMesh = NULL;
m_dwNumMaterials = 0L;
m_pMaterials = NULL;
m_pTextures = NULL;
m_bUseMaterials = TRUE;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DMesh::~CD3DMesh()
{
Destroy();
}
//-----------------------------------------------------------------------------
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// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DMesh::Create( LPDIRECT3DDEVICE9 pd3dDevice, TCHAR* strFilename )
{
TCHAR strPath[MAX_PATH];
LPD3DXBUFFER pAdjacencyBuffer = NULL;
LPD3DXBUFFER pMtrlBuffer = NULL;
HRESULT hr;
// Find the path for the file, and convert it to ANSI (for the D3DX API)
DXUtil_FindMediaFileCb( strPath, sizeof(strPath), strFilename );
// Load the mesh
if( FAILED( hr = D3DXLoadMeshFromX( strPath, D3DXMESH_SYSTEMMEM, pd3dDevice,
&pAdjacencyBuffer, &pMtrlBuffer, NULL,
&m_dwNumMaterials, &m_pSysMemMesh ) ) )
{
return hr;
}
// Optimize the mesh for performance
if( FAILED( hr = m_pSysMemMesh->OptimizeInplace(
D3DXMESHOPT_COMPACT | D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_VERTEXCACHE,
(DWORD*)pAdjacencyBuffer->GetBufferPointer(), NULL, NULL, NULL ) ) )
{
SAFE_RELEASE( pAdjacencyBuffer );
SAFE_RELEASE( pMtrlBuffer );
return hr;
}
// Get material info for the mesh
// Get the array of materials out of the buffer
if( pMtrlBuffer && m_dwNumMaterials > 0 )
{
// Allocate memory for the materials and textures
D3DXMATERIAL* d3dxMtrls = (D3DXMATERIAL*)pMtrlBuffer->GetBufferPointer();
m_pMaterials = new D3DMATERIAL9[m_dwNumMaterials];
if( m_pMaterials == NULL )
{
hr = E_OUTOFMEMORY;
goto LEnd;
}
m_pTextures = new LPDIRECT3DTEXTURE9[m_dwNumMaterials];
if( m_pTextures == NULL )
{
hr = E_OUTOFMEMORY;
goto LEnd;
}
// Copy each material and create its texture
for( DWORD i=0; iOptimizeInplace(
D3DXMESHOPT_COMPACT | D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_VERTEXCACHE,
(DWORD*)pAdjacencyBuffer->GetBufferPointer(), NULL, NULL, NULL ) ) )
{
SAFE_RELEASE( pAdjacencyBuffer );
SAFE_RELEASE( pMtrlBuffer );
return hr;
}
// Get material info for the mesh
// Get the array of materials out of the buffer
if( pMtrlBuffer && m_dwNumMaterials > 0 )
{
// Allocate memory for the materials and textures
D3DXMATERIAL* d3dxMtrls = (D3DXMATERIAL*)pMtrlBuffer->GetBufferPointer();
m_pMaterials = new D3DMATERIAL9[m_dwNumMaterials];
if( m_pMaterials == NULL )
{
hr = E_OUTOFMEMORY;
goto LEnd;
}
m_pTextures = new LPDIRECT3DTEXTURE9[m_dwNumMaterials];
if( m_pTextures == NULL )
{
hr = E_OUTOFMEMORY;
goto LEnd;
}
// Copy each material and create its texture
for( DWORD i=0; iCloneMeshFVF( D3DXMESH_SYSTEMMEM, dwFVF,
pd3dDevice, &pTempSysMemMesh ) ) )
return E_FAIL;
}
if( m_pLocalMesh )
{
if( FAILED( m_pLocalMesh->CloneMeshFVF( 0L, dwFVF, pd3dDevice,
&pTempLocalMesh ) ) )
{
SAFE_RELEASE( pTempSysMemMesh );
return E_FAIL;
}
}
SAFE_RELEASE( m_pSysMemMesh );
SAFE_RELEASE( m_pLocalMesh );
if( pTempSysMemMesh ) m_pSysMemMesh = pTempSysMemMesh;
if( pTempLocalMesh ) m_pLocalMesh = pTempLocalMesh;
// Compute normals in case the meshes have them
if( m_pSysMemMesh )
D3DXComputeNormals( m_pSysMemMesh, NULL );
if( m_pLocalMesh )
D3DXComputeNormals( m_pLocalMesh, NULL );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
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HRESULT CD3DMesh::RestoreDeviceObjects( LPDIRECT3DDEVICE9 pd3dDevice )
{
if( NULL == m_pSysMemMesh )
return E_FAIL;
// Make a local memory version of the mesh. Note: because we are passing in
// no flags, the default behavior is to clone into local memory.
if( FAILED( m_pSysMemMesh->CloneMeshFVF( 0L, m_pSysMemMesh->GetFVF(),
pd3dDevice, &m_pLocalMesh ) ) )
return E_FAIL;
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
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HRESULT CD3DMesh::InvalidateDeviceObjects()
{
SAFE_RELEASE( m_pLocalMesh );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DMesh::Destroy()
{
InvalidateDeviceObjects();
for( UINT i=0; iSetMaterial( &m_pMaterials[i] );
pd3dDevice->SetTexture( 0, m_pTextures[i] );
}
m_pLocalMesh->DrawSubset( i );
}
}
// Then, draw the subsets with alpha
if( bDrawAlphaSubsets && m_bUseMaterials )
{
for( DWORD i=0; iSetMaterial( &m_pMaterials[i] );
pd3dDevice->SetTexture( 0, m_pTextures[i] );
m_pLocalMesh->DrawSubset( i );
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DFrame::CD3DFrame( TCHAR* strName )
{
_tcsncpy( m_strName, strName, sizeof(m_strName) / sizeof(TCHAR) );
m_strName[sizeof(m_strName) / sizeof(TCHAR) - 1] = _T('\0');
D3DXMatrixIdentity( &m_mat );
m_pMesh = NULL;
m_pChild = NULL;
m_pNext = NULL;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DFrame::~CD3DFrame()
{
SAFE_DELETE( m_pChild );
SAFE_DELETE( m_pNext );
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
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bool CD3DFrame::EnumMeshes( bool (*EnumMeshCB)(CD3DMesh*,void*),
void* pContext )
{
if( m_pMesh )
EnumMeshCB( m_pMesh, pContext );
if( m_pChild )
m_pChild->EnumMeshes( EnumMeshCB, pContext );
if( m_pNext )
m_pNext->EnumMeshes( EnumMeshCB, pContext );
return TRUE;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DMesh* CD3DFrame::FindMesh( TCHAR* strMeshName )
{
CD3DMesh* pMesh;
if( m_pMesh )
if( !lstrcmpi( m_pMesh->m_strName, strMeshName ) )
return m_pMesh;
if( m_pChild )
if( NULL != ( pMesh = m_pChild->FindMesh( strMeshName ) ) )
return pMesh;
if( m_pNext )
if( NULL != ( pMesh = m_pNext->FindMesh( strMeshName ) ) )
return pMesh;
return NULL;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
CD3DFrame* CD3DFrame::FindFrame( TCHAR* strFrameName )
{
CD3DFrame* pFrame;
if( !lstrcmpi( m_strName, strFrameName ) )
return this;
if( m_pChild )
if( NULL != ( pFrame = m_pChild->FindFrame( strFrameName ) ) )
return pFrame;
if( m_pNext )
if( NULL != ( pFrame = m_pNext->FindFrame( strFrameName ) ) )
return pFrame;
return NULL;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFrame::Destroy()
{
if( m_pMesh ) m_pMesh->Destroy();
if( m_pChild ) m_pChild->Destroy();
if( m_pNext ) m_pNext->Destroy();
SAFE_DELETE( m_pMesh );
SAFE_DELETE( m_pNext );
SAFE_DELETE( m_pChild );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFrame::RestoreDeviceObjects( LPDIRECT3DDEVICE9 pd3dDevice )
{
if( m_pMesh ) m_pMesh->RestoreDeviceObjects( pd3dDevice );
if( m_pChild ) m_pChild->RestoreDeviceObjects( pd3dDevice );
if( m_pNext ) m_pNext->RestoreDeviceObjects( pd3dDevice );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFrame::InvalidateDeviceObjects()
{
if( m_pMesh ) m_pMesh->InvalidateDeviceObjects();
if( m_pChild ) m_pChild->InvalidateDeviceObjects();
if( m_pNext ) m_pNext->InvalidateDeviceObjects();
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFrame::Render( LPDIRECT3DDEVICE9 pd3dDevice, bool bDrawOpaqueSubsets,
bool bDrawAlphaSubsets, D3DXMATRIX* pmatWorldMatrix )
{
// For pure devices, specify the world transform. If the world transform is not
// specified on pure devices, this function will fail.
D3DXMATRIXA16 matSavedWorld, matWorld;
if ( NULL == pmatWorldMatrix )
pd3dDevice->GetTransform( D3DTS_WORLD, &matSavedWorld );
else
matSavedWorld = *pmatWorldMatrix;
D3DXMatrixMultiply( &matWorld, &m_mat, &matSavedWorld );
pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
if( m_pMesh )
m_pMesh->Render( pd3dDevice, bDrawOpaqueSubsets, bDrawAlphaSubsets );
if( m_pChild )
m_pChild->Render( pd3dDevice, bDrawOpaqueSubsets, bDrawAlphaSubsets, &matWorld );
pd3dDevice->SetTransform( D3DTS_WORLD, &matSavedWorld );
if( m_pNext )
m_pNext->Render( pd3dDevice, bDrawOpaqueSubsets, bDrawAlphaSubsets, &matSavedWorld );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
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HRESULT CD3DFile::LoadFrame( LPDIRECT3DDEVICE9 pd3dDevice,
LPDIRECTXFILEDATA pFileData,
CD3DFrame* pParentFrame )
{
LPDIRECTXFILEDATA pChildData = NULL;
LPDIRECTXFILEOBJECT pChildObj = NULL;
const GUID* pGUID;
DWORD cbSize;
CD3DFrame* pCurrentFrame;
HRESULT hr;
// Get the type of the object
if( FAILED( hr = pFileData->GetType( &pGUID ) ) )
return hr;
if( *pGUID == TID_D3DRMMesh )
{
hr = LoadMesh( pd3dDevice, pFileData, pParentFrame );
if( FAILED(hr) )
return hr;
}
if( *pGUID == TID_D3DRMFrameTransformMatrix )
{
D3DXMATRIX* pmatMatrix;
hr = pFileData->GetData( NULL, &cbSize, (void**)&pmatMatrix );
if( FAILED(hr) )
return hr;
// Update the parent's matrix with the new one
pParentFrame->SetMatrix( pmatMatrix );
}
if( *pGUID == TID_D3DRMFrame )
{
// Get the frame name
CHAR strAnsiName[512] = "";
TCHAR strName[512];
DWORD dwNameLength = 512;
if( FAILED( hr = pFileData->GetName( strAnsiName, &dwNameLength ) ) )
return hr;
DXUtil_ConvertAnsiStringToGenericCb( strName, strAnsiName, sizeof(strName) );
// Create the frame
pCurrentFrame = new CD3DFrame( strName );
if( pCurrentFrame == NULL )
return E_OUTOFMEMORY;
pCurrentFrame->m_pNext = pParentFrame->m_pChild;
pParentFrame->m_pChild = pCurrentFrame;
// Enumerate child objects
while( SUCCEEDED( pFileData->GetNextObject( &pChildObj ) ) )
{
// Query the child for its FileData
hr = pChildObj->QueryInterface( IID_IDirectXFileData,
(void**)&pChildData );
if( SUCCEEDED(hr) )
{
hr = LoadFrame( pd3dDevice, pChildData, pCurrentFrame );
pChildData->Release();
}
pChildObj->Release();
if( FAILED(hr) )
return hr;
}
}
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFile::LoadMesh( LPDIRECT3DDEVICE9 pd3dDevice,
LPDIRECTXFILEDATA pFileData,
CD3DFrame* pParentFrame )
{
// Currently only allowing one mesh per frame
if( pParentFrame->m_pMesh )
return E_FAIL;
// Get the mesh name
CHAR strAnsiName[512] = {0};
TCHAR strName[512];
DWORD dwNameLength = 512;
HRESULT hr;
if( FAILED( hr = pFileData->GetName( strAnsiName, &dwNameLength ) ) )
return hr;
DXUtil_ConvertAnsiStringToGenericCb( strName, strAnsiName, sizeof(strName) );
// Create the mesh
pParentFrame->m_pMesh = new CD3DMesh( strName );
if( pParentFrame->m_pMesh == NULL )
return E_OUTOFMEMORY;
pParentFrame->m_pMesh->Create( pd3dDevice, pFileData );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
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HRESULT CD3DFile::CreateFromResource( LPDIRECT3DDEVICE9 pd3dDevice, TCHAR* strResource, TCHAR* strType )
{
LPDIRECTXFILE pDXFile = NULL;
LPDIRECTXFILEENUMOBJECT pEnumObj = NULL;
LPDIRECTXFILEDATA pFileData = NULL;
HRESULT hr;
// Create a x file object
if( FAILED( hr = DirectXFileCreate( &pDXFile ) ) )
return E_FAIL;
// Register templates for d3drm and patch extensions.
if( FAILED( hr = pDXFile->RegisterTemplates( (void*)D3DRM_XTEMPLATES,
D3DRM_XTEMPLATE_BYTES ) ) )
{
pDXFile->Release();
return E_FAIL;
}
CHAR strTypeAnsi[MAX_PATH];
DXUtil_ConvertGenericStringToAnsiCb( strTypeAnsi, strType, sizeof(strTypeAnsi) );
DXFILELOADRESOURCE dxlr;
dxlr.hModule = NULL;
dxlr.lpName = strResource;
dxlr.lpType = (TCHAR*) strTypeAnsi;
// Create enum object
hr = pDXFile->CreateEnumObject( (void*)&dxlr, DXFILELOAD_FROMRESOURCE,
&pEnumObj );
if( FAILED(hr) )
{
pDXFile->Release();
return hr;
}
// Enumerate top level objects (which are always frames)
while( SUCCEEDED( pEnumObj->GetNextDataObject( &pFileData ) ) )
{
hr = LoadFrame( pd3dDevice, pFileData, this );
pFileData->Release();
if( FAILED(hr) )
{
pEnumObj->Release();
pDXFile->Release();
return E_FAIL;
}
}
SAFE_RELEASE( pFileData );
SAFE_RELEASE( pEnumObj );
SAFE_RELEASE( pDXFile );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFile::Create( LPDIRECT3DDEVICE9 pd3dDevice, TCHAR* strFilename )
{
LPDIRECTXFILE pDXFile = NULL;
LPDIRECTXFILEENUMOBJECT pEnumObj = NULL;
LPDIRECTXFILEDATA pFileData = NULL;
HRESULT hr;
// Create a x file object
if( FAILED( hr = DirectXFileCreate( &pDXFile ) ) )
return E_FAIL;
// Register templates for d3drm and patch extensions.
if( FAILED( hr = pDXFile->RegisterTemplates( (void*)D3DRM_XTEMPLATES,
D3DRM_XTEMPLATE_BYTES ) ) )
{
pDXFile->Release();
return E_FAIL;
}
// Find the path to the file, and convert it to ANSI (for the D3DXOF API)
TCHAR strPath[MAX_PATH];
CHAR strPathANSI[MAX_PATH];
DXUtil_FindMediaFileCb( strPath, sizeof(strPath), strFilename );
DXUtil_ConvertGenericStringToAnsiCb( strPathANSI, strPath, sizeof(strPathANSI) );
// Create enum object
hr = pDXFile->CreateEnumObject( (void*)strPathANSI, DXFILELOAD_FROMFILE,
&pEnumObj );
if( FAILED(hr) )
{
pDXFile->Release();
return hr;
}
// Enumerate top level objects (which are always frames)
while( SUCCEEDED( pEnumObj->GetNextDataObject( &pFileData ) ) )
{
hr = LoadFrame( pd3dDevice, pFileData, this );
pFileData->Release();
if( FAILED(hr) )
{
pEnumObj->Release();
pDXFile->Release();
return E_FAIL;
}
}
SAFE_RELEASE( pFileData );
SAFE_RELEASE( pEnumObj );
SAFE_RELEASE( pDXFile );
return S_OK;
}
//-----------------------------------------------------------------------------
// Name:
// Desc:
//-----------------------------------------------------------------------------
HRESULT CD3DFile::Render( LPDIRECT3DDEVICE9 pd3dDevice, D3DXMATRIX* pmatWorldMatrix )
{
// For pure devices, specify the world transform. If the world transform is not
// specified on pure devices, this function will fail.
// Set up the world transformation
D3DXMATRIX matSavedWorld, matWorld;
if ( NULL == pmatWorldMatrix )
pd3dDevice->GetTransform( D3DTS_WORLD, &matSavedWorld );
else
matSavedWorld = *pmatWorldMatrix;
D3DXMatrixMultiply( &matWorld, &matSavedWorld, &m_mat );
pd3dDevice->SetTransform( D3DTS_WORLD, &matWorld );
// Render opaque subsets in the meshes
if( m_pChild )
m_pChild->Render( pd3dDevice, TRUE, FALSE, &matWorld );
// Enable alpha blending
pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE );
pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
// Render alpha subsets in the meshes
if( m_pChild )
m_pChild->Render( pd3dDevice, FALSE, TRUE, &matWorld );
// Restore state
pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, FALSE );
pd3dDevice->SetTransform( D3DTS_WORLD, &matSavedWorld );
return S_OK;
}