如何用directx讀取CS的.mdl格式，最好有源碼

那個大老虎的例子啊，多嚇人的壹個布老虎

呵呵，我幫妳翻翻書先，這是解析.X文件，並顯示出來的例子

/**************************************************

WinMain.cpp

Chapter 2 XFile/Skinned Mesh Demo

Programming Role-Playing Games with DirectX, 2nd Edition

by Jim Adams (Jan 2004)

Required libraries:

WINMM.LIB, D3D9.LIB, D3DX9.LIB, and DXGUID.LIB

**************************************************/

// Macro to release COM objects

#define ReleaseCOM(x) if(x) { x->Release(); x = NULL; }

// Include files

#include <windows.h>

#include <stdio.h>

#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<m_NumMaterials;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;i<Mesh->m_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;i<Mesh->m_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;i<Mesh->m_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);

}