我是小叮当  

这份代码是Open的引擎通杀的透视

本源码由叮当程序编写并发布,请各位保持原版权,谢谢！

本代码在VS2008编译通过  

勿用于实际游戏 只作为技术参考

#pragma comment(lib,"OpenGL32.lib")
#pragma comment(lib,"GLu32.lib")

#include <windows.h>
#include <string>
#include <tlhelp32.h>
#include <iostream>
#include <gl\gl.h>
#include <gl\glu.h>

typedef void ( APIENTRY *glBegin_t )( GLenum );
typedef void ( APIENTRY *glEnd_t )( void );
typedef void ( APIENTRY *glClear_t )( GLbitfield );
typedef void ( APIENTRY *glVertex3fv_t )( const GLfloat *v );
typedef void ( APIENTRY *glVertex3f_t )( GLfloat x,  GLfloat y,  GLfloat z );
typedef void ( APIENTRY *glEnable_t )( GLenum );

glBegin_t pglBegin = NULL;
glEnd_t pglEnd = NULL;
glClear_t pglClear = NULL;
glVertex3fv_t pglVertex3fv = NULL;
glVertex3f_t pglVertex3f = NULL;
glEnable_t pglEnable = NULL;

bool wallhack = false;

void DrawBox(GLfloat x, GLfloat y, GLfloat z, GLfloat width, GLfloat height)
{
glBegin(GL_QUADS);
glVertex3f(x,y,z);
glVertex3f(x+width,y,z);
glVertex3f(x+width,y+height,z);
glVertex3f(x,y+height,z);
glEnd();
}

void APIENTRY Hooked_glBegin( GLenum mode )
{
        if (GetAsyncKeyState(VK_F2)&1)
                wallhack = !wallhack;

        if (wallhack)
        {
                if(mode == GL_TRIANGLES || mode == GL_TRIANGLE_STRIP || mode == GL_TRIANGLE_FAN)
                        glDepthRange(0, 0.5);
                else
                        glDepthRange(0.5, 1);
        }

        if(pglBegin)
                (*pglBegin)(mode);
}

void APIENTRY Hooked_glEnd( void )
{
        (*pglEnd)();
}

void APIENTRY Hooked_glVertex3fv( GLfloat *v )
{       
        (*pglVertex3fv)( v );
}

void APIENTRY Hooked_glVertex3f ( GLfloat x,  GLfloat y,  GLfloat z )
{
        (*pglVertex3f)( x, y, z );
}

void APIENTRY Hooked_glClear( GLbitfield mask )
{
        (*pglClear)( mask );
}

void APIENTRY Hooked_glEnable (GLenum cap)
{
               
                        DrawBox(200,100,0,50,30);//绘制一个方框...可以用来写方框 当初想搜坐标写方框来着
                    //方框代码 我没写完 地址只搜了一点 BY 叮当

        (*pglEnable)(cap);
}

void *DetourFunc( BYTE *src, const BYTE *dst, const int len )
{
        BYTE *jmp = (BYTE*)malloc( len + 5 );
        DWORD dwback;
        VirtualProtect( src, len, PAGE_READWRITE, &dwback );
        memcpy( jmp, src, len );
        jmp += len;
        jmp[0] = 0xE9;
        *(DWORD*)( jmp + 1 ) = (DWORD)( src + len - jmp ) - 5;
        src[0] = 0xE9;
        *(DWORD*)( src + 1 ) = (DWORD)( dst - src ) - 5;
        VirtualProtect( src, len, dwback, &dwback );
        return ( jmp - len );
}
void HookGL()
{//CSOL 人物透视 不完善 还只是个半透
        HMODULE hOpenGL = GetModuleHandle("opengl32.dll");
        pglVertex3fv =   (glVertex3fv_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glVertex3fv" ), (LPBYTE)&Hooked_glVertex3fv, 6 );
        pglVertex3f  =   (glVertex3f_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glVertex3f" ), (LPBYTE)&Hooked_glVertex3f, 6);
        pglBegin     =   (glBegin_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glBegin"),(LPBYTE)&Hooked_glBegin,6);
        pglEnd       =   (glEnd_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glEnd" ), (LPBYTE)&Hooked_glEnd, 6 );
        pglClear     =   (glClear_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glClear" ), (LPBYTE)&Hooked_glClear, 7 );
        pglEnable    =   (glEnable_t)DetourFunc( (LPBYTE)GetProcAddress(hOpenGL, "glEnable"), (LPBYTE)&Hooked_glEnable, 6);
}
       

DWORD WINAPI dwMainThread( LPVOID )
{       
        HookGL();

        return TRUE;
}

BOOL WINAPI DllMain( HINSTANCE hInstDLL,DWORD dwReason,LPVOID WINAPI lpReserved )
{
        if( dwReason==DLL_PROCESS_ATTACH )
                CreateThread(0,0,dwMainThread,0,0,0);

return TRUE;
}

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