如何用directx读取CS的.mdl格式，最好有源码

我不会加载.X的骨骼动画，希望提供帮助，SDK上的例子看不懂

转换成.X格式在用不就完了

那个大老虎的例子啊，多吓人的一个布老虎

呵呵，我帮你翻翻书先，这是解析.X文件，并显示出来的例子



// Macro to release COM objects
#define ReleaseCOM(x) if(x) { x->Release(); x = NULL; }

// Include files
#include
#include
#include "d3d9.h"
#include "d3dx9.h"
#include "dxfile.h"
#include "rmxfguid.h"
#include "rmxftmpl.h"

// Window handles, class and caption text
HWND g_hWnd;
HINSTANCE g_hInst;
static char g_szClass[] = "XFileClass";
static char g_szCaption[] = "XFile Demo by Jim Adams";

// The Direct3D and Device object
IDirect3D9 *g_pD3D = NULL;
IDirect3DDevice9 *g_pD3DDevice = NULL;

// A mesh definition structure
typedef struct sMesh
{
char *m_Name; // Name of mesh

ID3DXMesh *m_Mesh; // Mesh object
ID3DXMesh *m_SkinMesh; // Skin mesh object
ID3DXSkinInfo *m_SkinInfo; // Skin info

DWORD m_NumMaterials; // # materials in mesh
D3DMATERIAL9 *m_Materials; // Array of materials
IDirect3DTexture9 **m_Textures; // Array of textures

sMesh *m_Next; // Next mesh in list

sMesh()
{
m_Name = NULL; // Clear all structure data

m_Mesh = NULL;
m_SkinMesh = NULL;
m_SkinInfo = NULL;

m_NumMaterials = 0;
m_Materials = NULL;
m_Textures = NULL;

m_Next = NULL;
}

~sMesh()
{
// Free all used resources
delete [] m_Name; m_Name = NULL;
ReleaseCOM(m_Mesh);
ReleaseCOM(m_SkinMesh);
ReleaseCOM(m_SkinInfo);
delete [] m_Materials; m_Materials = NULL;
if(m_Textures != NULL) {
for(DWORD i=0;i ReleaseCOM(m_Textures[i]);
delete [] m_Textures; m_Textures = NULL;
}

delete m_Next; m_Next = NULL; // Delete next mesh in list
}
} sMesh;

// Structure to contain frame information
typedef struct sFrame
{
char *m_Name; // Frame's name

sMesh *m_Mesh; // Linked list of meshes

sFrame *m_Sibling; // Sibling frame
sFrame *m_Child; // Child frame

sFrame()
{
// Clear all data
m_Name = NULL;
m_Mesh = NULL;
m_Sibling = m_Child = NULL;
}

~sFrame()
{
// Delete all used resources, including linked list of frames
delete [] m_Name; m_Name = NULL;
delete m_Mesh; m_Mesh = NULL;
delete m_Child; m_Child = NULL;
delete m_Sibling; m_Sibling = NULL;
}
} sFrame;

// Parent frame for .X file
sFrame *g_pParentFrame = NULL;

// Function prototypes
int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, \
LPSTR szCmdLine, int nCmdShow);
long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg, \
WPARAM wParam, LPARAM lParam);

BOOL DoInit();
BOOL DoShutdown();
BOOL DoFrame();
BOOL SetupMesh();

sFrame *LoadFile(char *Filename);
sFrame *ParseXFile(char *Filename);
void ParseXFileData(IDirectXFileData *pDataObj, sFrame *ParentFrame);
void DrawFrame(sFrame *Frame);

int PASCAL WinMain(HINSTANCE hInst, HINSTANCE hPrev, \
LPSTR szCmdLine, int nCmdShow)
{
WNDCLASSEX wcex;
MSG Msg;

g_hInst = hInst;

// Create the window class here and register it
wcex.cbSize = sizeof(wcex);
wcex.style = CS_CLASSDC;
wcex.lpfnWndProc = WindowProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInst;
wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = NULL;
wcex.lpszMenuName = NULL;
wcex.lpszClassName = g_szClass;
wcex.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if(!RegisterClassEx(&wcex))
return FALSE;

// Create the Main Window
g_hWnd = CreateWindow(g_szClass, g_szCaption,
WS_CAPTION | WS_SYSMENU,
0, 0, 400, 400,
NULL, NULL,
hInst, NULL );
if(!g_hWnd)
return FALSE;
ShowWindow(g_hWnd, SW_NORMAL);
UpdateWindow(g_hWnd);

// Run init function and return on error
if(DoInit() == FALSE)
return FALSE;

// Start message pump, waiting for signal to quit
ZeroMemory(&Msg, sizeof(MSG));
while(Msg.message != WM_QUIT) {
if(PeekMessage(&Msg, NULL, 0, 0, PM_REMOVE)) {
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
if(DoFrame() == FALSE)
break;
}

// Run shutdown function
DoShutdown();

UnregisterClass(g_szClass, hInst);

return Msg.wParam;
}

long FAR PASCAL WindowProc(HWND hWnd, UINT uMsg, \
WPARAM wParam, LPARAM lParam)
{
switch(uMsg) {
case WM_DESTROY:
PostQuitMessage(0);
return 0;

}

return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

BOOL DoInit()
{
D3DPRESENT_PARAMETERS d3dpp;
D3DDISPLAYMODE d3ddm;
D3DXMATRIX matProj, matView;

// Do a windowed mode initialization of Direct3D
if((g_pD3D = Direct3DCreate9(D3D_SDK_VERSION)) == NULL)
return FALSE;
if(FAILED(g_pD3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3ddm)))
return FALSE;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Windowed = TRUE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferFormat = d3ddm.Format;
d3dpp.EnableAutoDepthStencil = TRUE;
d3dpp.AutoDepthStencilFormat = D3DFMT_D16;
if(FAILED(g_pD3D->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, g_hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp, &g_pD3DDevice)))
return FALSE;

// Set the rendering states
g_pD3DDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
g_pD3DDevice->SetRenderState(D3DRS_ZENABLE, TRUE);

// Create and set the projection matrix
D3DXMatrixPerspectiveFovLH(&matProj, D3DX_PI/4.0f, 1.33333f, 1.0f, 1000.0f);
g_pD3DDevice->SetTransform(D3DTS_PROJECTION, &matProj);

// Create and set the view matrix
D3DXMatrixLookAtLH(&matView, \
&D3DXVECTOR3(0.0f, 50.0f, -150.0f), \
&D3DXVECTOR3(0.0f, 50.0f, 0.0f), \
&D3DXVECTOR3(0.0f, 1.0f, 0.0f));
g_pD3DDevice->SetTransform(D3DTS_VIEW, &matView);

// Load a skinned mesh from an .X file
g_pParentFrame = LoadFile("warrior.x");

return TRUE;
}

BOOL DoShutdown()
{
// Release frames and meshes
if(g_pParentFrame != NULL)
delete g_pParentFrame;

// Release device and 3D objects
if(g_pD3DDevice != NULL)
g_pD3DDevice->Release();

if(g_pD3D != NULL)
g_pD3D->Release();

return TRUE;
}

BOOL DoFrame()
{
D3DXMATRIX matWorld;

// Clear device backbuffer
g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
D3DCOLOR_RGBA(0,64,128,255), 1.0f, 0);

// Begin scene
if(SUCCEEDED(g_pD3DDevice->BeginScene())) {

// Set world transformation to rotate on Y-axis
D3DXMatrixRotationY(&matWorld, (float)timeGetTime() / 1000.0f);
g_pD3DDevice->SetTransform(D3DTS_WORLD, &matWorld);

// Draw frames
DrawFrame(g_pParentFrame);

// End the scene
g_pD3DDevice->EndScene();
}

// Display the scene
g_pD3DDevice->Present(NULL, NULL, NULL, NULL);

// Release texture
g_pD3DDevice->SetTexture(0, NULL);

return TRUE;
}

sFrame *LoadFile(char *Filename)
{
return ParseXFile(Filename);
}

sFrame *ParseXFile(char *Filename)
{
IDirectXFile *pDXFile = NULL;
IDirectXFileEnumObject *pDXEnum = NULL;
IDirectXFileData *pDXData = NULL;
sFrame *Frame;

// Create the file object
if(FAILED(DirectXFileCreate(&pDXFile)))
return FALSE;

// Register the templates
if(FAILED(pDXFile->RegisterTemplates((LPVOID)D3DRM_XTEMPLATES, D3DRM_XTEMPLATE_BYTES))) {
pDXFile->Release();
return FALSE;
}

// Create an enumeration object
if(FAILED(pDXFile->CreateEnumObject((LPVOID)Filename, DXFILELOAD_FROMFILE, &pDXEnum))) {
pDXFile->Release();
return FALSE;
}

// Allocate a frame that becomes root
Frame = new sFrame();

// Loop through all objects looking for the frames and meshes
while(SUCCEEDED(pDXEnum->GetNextDataObject(&pDXData))) {
ParseXFileData(pDXData, Frame);
ReleaseCOM(pDXData);
}

// Release used COM objects
ReleaseCOM(pDXEnum);
ReleaseCOM(pDXFile);

// Return root frame
return Frame;
}

void ParseXFileData(IDirectXFileData *pDataObj, sFrame *ParentFrame)
{
IDirectXFileObject *pSubObj = NULL;
IDirectXFileData *pSubData = NULL;
IDirectXFileDataReference *pDataRef = NULL;
ID3DXBuffer *Adjacency = NULL;
const GUID *Type = NULL;
char *Name = NULL;
DWORD Size;

sFrame *Frame = NULL;
sFrame *SubFrame = NULL;

sMesh *Mesh = NULL;
ID3DXBuffer *MaterialBuffer = NULL;
D3DXMATERIAL *Materials = NULL;

DWORD i;

// Get the template type
if(FAILED(pDataObj->GetType(&Type)))
return;

// Get the template name (if any)
if(FAILED(pDataObj->GetName(NULL, &Size)))
return;
if(Size) {
if((Name = new char[Size]) != NULL)
pDataObj->GetName(Name, &Size);
}

// Give template a default name if none found
if(Name == NULL) {
if((Name = new char[9]) == NULL)
return;
strcpy(Name, "Template");
}

// Set sub frame
SubFrame = ParentFrame;

// Process the templates

// Frame
if(*Type == TID_D3DRMFrame) {
// Create a new frame structure
Frame = new sFrame();

// Store the name
Frame->m_Name = Name;
Name = NULL;

// Add to parent frame
Frame->m_Sibling = ParentFrame->m_Child;
ParentFrame->m_Child = Frame;

// Set sub frame parent
SubFrame = Frame;
}

// Load a mesh
if(*Type == TID_D3DRMMesh) {

// Create a new mesh structure
Mesh = new sMesh();

// Store the name
Mesh->m_Name = Name;
Name = NULL;

// Load mesh data (as a skinned mesh)
if(FAILED(D3DXLoadSkinMeshFromXof(pDataObj, 0,
g_pD3DDevice,
&Adjacency, &MaterialBuffer, NULL, &Mesh->m_NumMaterials,
&Mesh->m_SkinInfo,
&Mesh->m_Mesh))) {
delete Mesh;
return;
}
ReleaseCOM(Adjacency);

// Clone skin mesh is bones exist
if(Mesh->m_SkinInfo != NULL && Mesh->m_SkinInfo->GetNumBones() != 0) {
if(FAILED(Mesh->m_Mesh->CloneMeshFVF(0, Mesh->m_Mesh->GetFVF(), g_pD3DDevice, &Mesh->m_SkinMesh))) {
Mesh->m_SkinInfo->Release();
Mesh->m_SkinInfo = NULL;
}
}

// Load materials or create a default one if none
if(!Mesh->m_NumMaterials) {

// Create a default one
Mesh->m_Materials = new D3DMATERIAL9[1];
Mesh->m_Textures = new LPDIRECT3DTEXTURE9[1];

ZeroMemory(Mesh->m_Materials, sizeof(D3DMATERIAL9));
Mesh->m_Materials[0].Diffuse.r = 1.0f;
Mesh->m_Materials[0].Diffuse.g = 1.0f;
Mesh->m_Materials[0].Diffuse.b = 1.0f;
Mesh->m_Materials[0].Diffuse.a = 1.0f;
Mesh->m_Materials[0].Ambient = Mesh->m_Materials[0].Diffuse;
Mesh->m_Materials[0].Specular = Mesh->m_Materials[0].Diffuse;
Mesh->m_Textures[0] = NULL;

Mesh->m_NumMaterials = 1;
} else {
// Load the materials
Materials = (D3DXMATERIAL*)MaterialBuffer->GetBufferPointer();
Mesh->m_Materials = new D3DMATERIAL9[Mesh->m_NumMaterials];
Mesh->m_Textures = new LPDIRECT3DTEXTURE9[Mesh->m_NumMaterials];

for(i=0;im_NumMaterials;i++) {
Mesh->m_Materials[i] = Materials[i].MatD3D;
Mesh->m_Materials[i].Ambient = Mesh->m_Materials[i].Diffuse;

// Build a texture path and load it
if(FAILED(D3DXCreateTextureFromFile(g_pD3DDevice,
Materials[i].pTextureFilename,
&Mesh->m_Textures[i]))) {
Mesh->m_Textures[i] = NULL;
}
}
}
ReleaseCOM(MaterialBuffer);

// Link in mesh
Mesh->m_Next = ParentFrame->m_Mesh;
ParentFrame->m_Mesh = Mesh;
}

// Skip animation sets and animations
if(*Type == TID_D3DRMAnimationSet || *Type == TID_D3DRMAnimation || *Type == TID_D3DRMAnimationKey) {
delete [] Name;
return;
}

// Release name buffer
delete [] Name;

// Scan for embedded templates
while(SUCCEEDED(pDataObj->GetNextObject(&pSubObj))) {

// Process embedded references
if(SUCCEEDED(pSubObj->QueryInterface(IID_IDirectXFileDataReference, (void**)&pDataRef))) {
if(SUCCEEDED(pDataRef->Resolve(&pSubData))) {
ParseXFileData(pSubData, SubFrame);
ReleaseCOM(pSubData);
}
ReleaseCOM(pDataRef);
}

// Process non-referenced embedded templates
if(SUCCEEDED(pSubObj->QueryInterface(IID_IDirectXFileData, (void**)&pSubData))) {
ParseXFileData(pSubData, SubFrame);
ReleaseCOM(pSubData);
}
ReleaseCOM(pSubObj);
}

return;
}

void DrawFrame(sFrame *Frame)
{
sMesh *Mesh;
D3DXMATRIX *Matrices = NULL;
DWORD i;
ID3DXMesh *MeshToDraw;

// Return if no frame
if(Frame == NULL)
return;

// Draw meshes if any in frame
if((Mesh = Frame->m_Mesh) != NULL) {

// Setup pointer to mesh to draw
MeshToDraw = Mesh->m_Mesh;

// Generate mesh from skinned mesh to draw with
if(Mesh->m_SkinMesh != NULL && Mesh->m_SkinInfo != NULL) {

// Allocate an array of matrices to orient bones
Matrices = new D3DXMATRIX[Mesh->m_SkinInfo->GetNumBones()];

// Set all bones orientation to identity
for(i=0;im_SkinInfo->GetNumBones();i++)
D3DXMatrixIdentity(&Matrices[i]);

// Lock source and destination vertex buffers
void *Src, *Dest;
Mesh->m_Mesh->LockVertexBuffer(0, (void**)&Src);
Mesh->m_SkinMesh->LockVertexBuffer(0, (void**)&Dest);

// Update skinned mesh
Mesh->m_SkinInfo->UpdateSkinnedMesh(Matrices, NULL, Src, Dest);

// Unlock buffers
Mesh->m_SkinMesh->UnlockVertexBuffer();
Mesh->m_Mesh->UnlockVertexBuffer();

// Point to skin mesh to draw
MeshToDraw = Mesh->m_SkinMesh;
}

// Render the mesh
for(i=0;im_NumMaterials;i++) {
g_pD3DDevice->SetMaterial(&Mesh->m_Materials[i]);
g_pD3DDevice->SetTexture(0, Mesh->m_Textures[i]);
MeshToDraw->DrawSubset(i);
}

// Free array of matrices
delete [] Matrices;
Matrices = NULL;

// Go to next mesh
Mesh = Mesh->m_Next;
}

// Draw child frames
DrawFrame(Frame->m_Child);

// Draw sibling frames
DrawFrame(Frame->m_Sibling);
}