Directx8错误LNK2019：无法解析的外部符号

Question

我正在为我的毕业项目制作RPG游戏（暗黑破坏神）。 我试着用Directx 8样本编译Jim Adams编程RPG。

忽略其他语言的评论。

/*-------------------------------------------------------------------------- 
------------------===========================------------------------------- 
    IIIIIIII IIIII  IIII  III  III IIIII II  IIIII 
    III III III  III III  III  III III III II  III III 
    III II III III III  III III III III II III III 
    III II III IIIIIIIIIII  III III III III II III III 
    IIIIIIII IIIII III  III  IIII  IIIIII IIIIII IIIIII 
=================||||||||||||||||||||||||||||=============================== 

(c) Braniselj Klemen 2013 





        ========================= 
;;;;;;;;;;;;;;;;;;;/CLASS ZA LEVEL 1 /;;;;;;;;;;;;;;;;;;;;;; 
        ************************** 
*/ 

#ifndef _ACT1_H_ 
#define _ACT1_H_ 

//DVA TIPA STRUKTURA ALI QUADTREE(ZA LEVELE Z KONSTANTNO VIŠINO ALI OCTREE ZA LEVELE Z SPREMENLJIVO DOLŽINO 
enum TreeTypes { QUADTREE = 0, OCTREE }; 

class cNodeTreeMesh 
{ 
private: 
    //Struktura pobere koordinate iz vertex bufferja modela 
    typedef struct sVertex { float x, y, z; } sVertex; 

    //Textura je izrisana samo enkrat ne 60 na sekuno 
    typedef struct sPolygon { 
     unsigned long Group; //Skupina teksture 
     unsigned long Time; //kdaj je bila nazadnje izrisana 
     unsigned short Vertex[3]; //x, y ,z 

     sPolygon() { Group = Time = 0; } //Počisti podatke 
     } sPolygon; 

    //Struktura ohranja ševilo polygonov v 3D prostoru 
    typedef struct sNode { 
     unsigned long NumPolygons; 
     sPolygon **PolygonList; 
     float XPos, YPos, ZPos; 
     float Size; 
     sNode *Nodes[8]; 

     //Konstruktor ki počisti spremenljivko 
     sNode() 
     { 
      NumPolygons = 0; 
      PolygonList = NULL; 
      XPos = YPos = ZPos = Size = 0.0f; 
      for(short i=0; i< 8; i++) 
       Nodes[i] = NULL; 
     } 

     ~sNode() 
     { 
      delete [] PolygonList; 
      for (short i=0; i<8; i++) 
       delete Nodes[i]; 
     } 
    }sNode; 

    //Struktura ki grupira polygone ki morajo biti izrisani v vsakem framu 
    typedef struct sGroup { 
     cVertexBuffer VertexBuffer; 
     char *VertexPtr; 
     unsigned long NumPolygons; 
     unsigned long NumPolygonsToDraw; 

     sGroup() { NumPolygons = 0; } 
     ~sGroup() { VertexBuffer.Free(); } 
    } sGroup; 

    int m_TreeType; //QUAD ALI OCTA 

    cGraphics *m_Graphics; 
    cFrustum *m_Frustum; 

    unsigned long m_Time; 

    float m_Size; 
    float m_MaxSize; 

    sNode *m_ParentNode; 

    unsigned long m_NumGroups; 
    sGroup *m_Groups; 

    unsigned long m_NumPolygons; 
    unsigned long m_MaxPolygons; 
    sPolygon *m_PolygonList; 

    sMesh *m_Mesh; 
    char *m_VertexPtr; 
    unsigned long m_VertexFVF; 
    unsigned long m_VertexSize; 

    void SortNode(sNode *Node, float XPos, float YPos, float ZPos, float Size); 

    void AddNode(sNode *Node); 

    BOOL IsPolygonContained(sPolygon *Polygon, float XPos, float YPos, float ZPos, float Size); 

    unsigned long CountPolygons(float XPos, float YPos, float ZPos, float Size); 

public: 
    cNodeTreeMesh(); //konstruktor za model 
    ~cNodeTreeMesh(); //dekonstruktor za model 


    BOOL Create(cGraphics *Graphics, cMesh *Mesh, int TreeType = OCTREE, float Maxsize = 256.0f, long MaxPolygons = 32); 
    BOOL Free(); 

    BOOL Render(cFrustum *Frustum = NULL, float ZDistance = 0.0f); 

    float GetClosestHeight(float XPos, float YPos, float ZPos); 

    float GetHeightBelow(float XPos, float YPos, float ZPos); 
    float GetHeightAbove(float XPos, float YPos, float ZPos); 

    BOOL CheckIntersect(float XStart, float YStart, float ZStart, float XEnd, float YEnd, float ZEnd, float *Length); 



}; 


#endif // _ACT1_H_ 

ACT1.cpp

/*------------------------------------------------------------------- 
------------------===========================------------------------------- 
    IIIIIIII IIIII  IIII  III  III IIIII II  IIIII 
    III III III  III III  III  III III III II  III III 
    III II III III III  III III III III II III III 
    III II III IIIIIIIIIII  III III III III II III III 
    IIIIIIII IIIII III  III  IIII  IIIIII IIIIII IIIIII 
=================||||||||||||||||||||||||||||=============================== 

Povzeto po Jim Adams Programing role playing games with directx 
(c) Braniselj Klemen 2013 



Node = Del levela  

        ========================= 
;;;;;;;;;;;;;;;;;;;;;/FUNKCIJE ZA LEVEL 1/;;;;;;;;;;;;;;;;;;;;;; 
        ************************** 
*/ 

#include "Core_Global.h" 
#include "Frustum.h" 
#include "ACT1.h" 


#pragma comment(lib, "User32.lib") 
#pragma comment(lib, "gdi32.lib") 
#pragma comment(lib,"d3d8.lib") 
#pragma comment(lib,"d3dx8.lib") 
#pragma comment(lib, "winmm.lib") 


#include <Windows.h> 
#include <iostream> 
#include <stdio.h> 
#include "d3d8.h" 
#include "d3dx8.h" 

using namespace std; 

cNodeTreeMesh::cNodeTreeMesh() 
{ 
    m_TreeType = OCTREE; 
    m_Graphics = NULL; 
    m_ParentNode = NULL; 
    m_NumPolygons = 0; 
    m_PolygonList = NULL; 
    m_NumGroups = 0; 
    m_Groups = NULL; 
    m_Time = 0; 
} 

cNodeTreeMesh::~cNodeTreeMesh() 
{ 
    Free(); 
} 

BOOL cNodeTreeMesh::Create(cGraphics *Graphics, cMesh *Mesh, int TreeType, float MaxSize, long MaxPolygons) 
{ 
    ID3DXMesh *LoadMesh; 
    unsigned short *IndexPtr; 
    DWORD *Attributes; 
    unsigned long i; 
    float MaxX, MaxY, MaxZ; 

    Free(); 


    if((m_Graphics = Graphics) == NULL) 
     return FALSE; 
    if(Mesh == NULL) 
     return FALSE; 
    if(!Mesh->GetParentMesh()->m_NumMaterials) 
     return FALSE; 

    //lastnosti modela 
    m_Mesh = Mesh->GetParentMesh(); 
    LoadMesh = m_Mesh->m_Mesh; 
    m_VertexFVF = LoadMesh->GetFVF(); 
    m_VertexSize = D3DXGetFVFVertexSize(m_VertexFVF); 
    m_NumPolygons = LoadMesh->GetNumFaces(); 
    m_MaxPolygons = MaxPolygons; 

    //Ustvarimo seznam poljgonov(drevo) 
    m_PolygonList = new sPolygon[m_NumPolygons](); 
    m_NumGroups = m_Mesh->m_NumMaterials; 
    m_Groups = new sGroup[m_NumGroups](); 

    //zaklenemo vertex bufferje 
    LoadMesh->LockIndexBuffer(D3DLOCK_READONLY, (BYTE**)&IndexPtr); 
    LoadMesh->LockAttributeBuffer(D3DLOCK_READONLY, &Attributes); 

    //Informacije polygona v strukturo 
    for(i = 0; i <m_NumPolygons; i++) 
    { 
     m_PolygonList[i].Vertex[0] = *IndexPtr++; 
     m_PolygonList[i].Vertex[1] = *IndexPtr++; 
     m_PolygonList[i].Vertex[2] = *IndexPtr++; 

     //Shranimo texture group in stevec 
     m_PolygonList[i].Group = Attributes[i]; 
     m_Groups[Attributes[i]].NumPolygons++; 
    } 

    LoadMesh->UnlockIndexBuffer(); 
    LoadMesh->UnlockAttributeBuffer(); 

    for(i = 0; i < m_NumGroups; i++) 
    { 
     if(m_Groups[i].NumPolygons != 0) 
      m_Groups[i].VertexBuffer.Create(m_Graphics, m_Groups[i].NumPolygons * 3, m_VertexFVF, m_VertexSize); 
    } 

    //Velikost kocke 
    MaxX = (float)max(fabs(Mesh->GetParentMesh()->m_Min.x), fabs(Mesh->GetParentMesh()->m_Max.x)); 
    MaxY = (float)max(fabs(Mesh->GetParentMesh()->m_Min.y), fabs(Mesh->GetParentMesh()->m_Max.y)); 
    MaxZ = (float)max(fabs(Mesh->GetParentMesh()->m_Min.z), fabs(Mesh->GetParentMesh()->m_Max.z)); 
    m_Size = max(MaxX, max(MaxY, MaxZ)) * 2.0f; 
    m_MaxSize = MaxSize; 

    //ustvarimo starševsko vozlišče 
    m_ParentNode = new sNode(); 

    LoadMesh->LockVertexBuffer(D3DLOCK_READONLY, (BYTE**)&m_VertexPtr); 
    SortNode(m_ParentNode, 0.0f, 0.0f, 0.0f, m_Size); 
    LoadMesh->UnlockVertexBuffer(); 

    return TRUE; 
} 


//"SPROSTIMO" MODEL 
BOOL cNodeTreeMesh::Free() 
{ 
    delete m_ParentNode; 
    m_ParentNode = NULL; 

    m_Graphics = NULL; 
    m_NumPolygons = 0; 
    delete [] m_PolygonList; 
    m_PolygonList = NULL; 

    m_NumGroups = 0; 
    delete [] m_Groups; 
    m_Groups = NULL; 

    return TRUE; 
} 

void cNodeTreeMesh::SortNode(sNode *Node, float XPos, float YPos, float ZPos, float Size) 
{ 
    unsigned long i, Num; 
    float XOff, YOff, ZOff; 
    //Kakšna napaka 
    if(Node == NULL || m_PolygonList == NULL) 
     return; 

    //Koordinate node-ov 
    Node->XPos = XPos; 
    Node->YPos = (m_TreeType == QUADTREE)?0.0f:YPos; 
    Node->ZPos = ZPos; 
    Node->Size = Size; 

    //ali so plyigoni v nodu 
    if(!(Num = CountPolygons(XPos, YPos, ZPos, Size))) 
     return; 

    //Če je preveč polygoonov v nodu razdeli 
    if(Size > m_MaxSize && Num > m_MaxPolygons) 
    { 
     for(i=0; i<(unsigned long)((m_TreeType == QUADTREE)?4:8);i++) 
     { 
      XOff = (((i % 2) < 1) ? -1.0f : 1.0f) * (Size * 4.0f); 
      YOff = (((i % 4) < 1) ? -1.0f : 1.0f) * (Size * 4.0f); 
      ZOff = (((i % 8) < 1) ? -1.0f : 1.0f) * (Size * 4.0f); 

      //ali so polygoni v zajemu noda 
      if(CountPolygons(XPos+XOff, YPos+YOff, ZPos+ZOff, Size/2.0f)) 
      { 
       Node->Nodes[i] = new sNode(); 

       SortNode(Node->Nodes[i], XPos+XOff, YPos+YOff, ZPos+ZOff, Size/2.0f); 
      } 
     } 
     return; 
    } 

    //Allokacija prostora za kazalce na Polygon 
    Node->NumPolygons = Num; 
    Node->PolygonList = new sPolygon*[Num]; 

    //shranjuje kazalce 
    Num = 0; 
    for (i=0; i<m_NumPolygons; i++) 
    { 
     //dodaj polygon če je zajet v 3D prostoru 
     if(IsPolygonContained(&m_PolygonList[i], XPos, YPos, ZPos, Size) == TRUE) 

    Node->PolygonList[Num++] = &m_PolygonList[i]; 
    } 
} 

BOOL cNodeTreeMesh::IsPolygonContained(sPolygon *Polygon, float XPos, float YPos, float ZPos, float Size) 
{ 
    float XMin, XMax, YMin, YMax, ZMin, ZMax; 
    sVertex *Vertex[3]; 

    //vertices(točke) polygona 
    Vertex[0] =(sVertex*)&m_VertexPtr[m_VertexSize * Polygon->Vertex[0]]; 
    Vertex[1] =(sVertex*)&m_VertexPtr[m_VertexSize * Polygon->Vertex[1]]; 
    Vertex[2] =(sVertex*)&m_VertexPtr[m_VertexSize * Polygon->Vertex[2]]; 

    // preveri po x osi 
    XMin = min(Vertex[0]->x, min(Vertex[1]->x, Vertex[2]->x)); 
    XMax = max(Vertex[0]->x, max(Vertex[1]->x, Vertex[2]->x)); 
    if(XMax < (XPos - Size/2.0f)) 
    return FALSE; 
    if(XMin > (XPos + Size/2.0f)) 
    return FALSE; 

    // preveri po y osi 
    if(m_TreeType == OCTREE) { 
    YMin = min(Vertex[0]->y, min(Vertex[1]->y, Vertex[2]->y)); 
    YMax = max(Vertex[0]->y, max(Vertex[1]->y, Vertex[2]->y)); 
    if(YMax < (YPos - Size/2.0f)) 
    return FALSE; 
    if(YMin > (YPos + Size/2.0f)) 
    return FALSE; 
    } 

    // preveri po z osi 
    ZMin = min(Vertex[0]->z, min(Vertex[1]->z, Vertex[2]->z)); 
    ZMax = max(Vertex[0]->z, max(Vertex[1]->z, Vertex[2]->z)); 
    if(ZMax < (ZPos - Size/2.0f)) 
    return FALSE; 
    if(ZMin > (ZPos + Size/2.0f)) 
    return FALSE; 

    return TRUE; 
} 

unsigned long cNodeTreeMesh::CountPolygons(float XPos, float YPos, float ZPos, float Size) 
{ 
    unsigned long i, Num; 

    // Ali je kakšen polygon za procesirati 
    if(!m_NumPolygons) 
    return 0; 

    // preglej kateri polygoni so zajeti v 3D prostoru 
    Num = 0; 
    for(i=0; i<m_NumPolygons; i++) { 
    if(IsPolygonContained(&m_PolygonList[i],XPos,YPos,ZPos,Size) == TRUE) 
    Num++; 
    } 

    return Num; 
} 

BOOL cNodeTreeMesh::Render(cFrustum *Frustum, float ZDistance) 
{ 
    D3DXMATRIX Matrix; 
    cFrustum ViewFrustum; 

    // ali je kje kakšna napaka 
    if(m_Graphics == NULL || m_ParentNode == NULL || !m_NumPolygons) 
    return FALSE; 

    // ustvari pogled 
    if((m_Frustum = Frustum) == NULL) { 
    ViewFrustum.Construct(m_Graphics, ZDistance); 
    m_Frustum = &ViewFrustum; 
    } 

    D3DXMatrixIdentity(&Matrix); 
    m_Graphics->GetDeviceCOM()->SetTransform(D3DTS_WORLD, &Matrix); 

    // zakleni vertex buffer 
    for(unsigned long i=0; i<m_NumGroups; i++) { 
    m_Groups[i].VertexBuffer.Lock(0,0); 
    m_Groups[i].VertexPtr = (char*)m_Groups[i].VertexBuffer.GetPtr(); 
    m_Groups[i].NumPolygonsToDraw = 0; 
    } 
    m_Mesh->m_Mesh->LockVertexBuffer(D3DLOCK_READONLY, (BYTE**)&m_VertexPtr); 

    // shrani trenutni čas v render 
    m_Time = timeGetTime(); 

    // Dodaj polygone v vertex buffer 
    AddNode(m_ParentNode); 

    // odkleni vertex bufferje in izriši 
    m_Mesh->m_Mesh->UnlockVertexBuffer(); 
    for(unsigned long i=0; i<m_NumGroups; i++) { 
    m_Groups[i].VertexBuffer.Unlock(); 

    if(m_Groups[i].NumPolygonsToDraw) { 
     m_Graphics->GetDeviceCOM()->SetMaterial(&m_Mesh->m_Materials[i]); 
     m_Graphics->GetDeviceCOM()->SetTexture(0, m_Mesh->m_Textures[i]); 

     m_Groups[i].VertexBuffer.Render(0, m_Groups[i].NumPolygonsToDraw, D3DPT_TRIANGLELIST); 
    } 
    } 

    return TRUE; 
} 

void cNodeTreeMesh::AddNode(sNode *Node) 
{ 
    unsigned long i, Group; 
    short   Num; 

    // Preveri pogled glede 
    if(m_TreeType == QUADTREE) { 
    if(m_Frustum->CheckRectangle(
      Node->XPos,  0.0f,   Node->ZPos, 
      Node->Size/2.0f, m_Size/2.0f, Node->Size/2.0f) == FALSE) 
     return; 
    } else { 
    if(m_Frustum->CheckRectangle(
      Node->XPos,  Node->YPos,  Node->ZPos, 
      Node->Size/2.0f, Node->Size/2.0f, Node->Size/2.0f) == FALSE) 
     return; 
    } 


    Num = 0; 
    for(i=0;i<(unsigned long)((m_TreeType==QUADTREE)?4:8);i++) { 
    if(Node->Nodes[i] != NULL) { 
     Num++; 
     AddNode(Node->Nodes[i]); 
    } 
    } 


    if(Num) 
    return; 


    if(Node->NumPolygons != 0) { 
    for(i=0;i<Node->NumPolygons;i++) { 

     // če polygon še ni buil izrisan 
     if(Node->PolygonList[i]->Time != m_Time && (Group = Node->PolygonList[i]->Group) < m_NumGroups) { 

     // izriši polygone ki so vidni 

     if(m_Mesh->m_Materials[Node->PolygonList[i]->Group].Diffuse.a != 0.0f) { 


      memcpy(m_Groups[Group].VertexPtr, &m_VertexPtr[m_VertexSize * Node->PolygonList[i]->Vertex[0]], m_VertexSize); 
      m_Groups[Group].VertexPtr += m_VertexSize; 
      memcpy(m_Groups[Group].VertexPtr, &m_VertexPtr[m_VertexSize * Node->PolygonList[i]->Vertex[1]], m_VertexSize); 
      m_Groups[Group].VertexPtr += m_VertexSize; 
      memcpy(m_Groups[Group].VertexPtr, &m_VertexPtr[m_VertexSize * Node->PolygonList[i]->Vertex[2]], m_VertexSize); 
      m_Groups[Group].VertexPtr += m_VertexSize; 

      m_Groups[Group].NumPolygonsToDraw++; 
     } 

     // Označi polygon ki je bil sprocesiran v določenem časovnem segmentu 
     Node->PolygonList[i]->Time = m_Time; 
     } 
    } 
    } 
} 

float cNodeTreeMesh::GetClosestHeight(float XPos, float YPos, float ZPos) 
{ 
    float YAbove, YBelow; 

    YAbove = GetHeightAbove(XPos, YPos, ZPos); 
    YBelow = GetHeightBelow(XPos, YPos, ZPos); 
    if(fabs(YAbove-YPos) < fabs(YBelow-YPos)) 
    return YAbove; 
    return YBelow; 
} 

float cNodeTreeMesh::GetHeightBelow(float XPos, float YPos, float ZPos) 
{ 
    BOOL Hit; 
    float u, v, Dist; 
    DWORD FaceIndex; 

    D3DXIntersect(m_Mesh->m_Mesh, 
&D3DXVECTOR3(XPos,YPos,ZPos), &D3DXVECTOR3(0.0f, -1.0f, 0.0f),&Hit, &FaceIndex, &u, &v, &Dist, NULL, NULL); 
    if(Hit == TRUE) 
    return YPos-Dist; 
    return YPos; 
} 

float cNodeTreeMesh::GetHeightAbove(float XPos, float YPos, float ZPos) 
{ 
    BOOL Hit; 
    float u, v, Dist; 
    DWORD FaceIndex; 

    D3DXIntersect(m_Mesh->m_Mesh, 
       &D3DXVECTOR3(XPos,YPos,ZPos), 
       &D3DXVECTOR3(0.0f, 1.0f, 0.0f), 
       &Hit, &FaceIndex, &u, &v, &Dist , NULL, NULL); 
    if(Hit == TRUE) 
    return YPos+Dist; 
    return YPos; 
} 

BOOL cNodeTreeMesh::CheckIntersect(float XStart, float YStart, float ZStart, 
            float XEnd, float YEnd, float ZEnd, 
            float *Length) 
{ 
    BOOL Hit; 
    float u, v, Dist; 
    float XDiff, YDiff, ZDiff, Size; 
    DWORD FaceIndex; 
    D3DXVECTOR3 vecDir; 

    XDiff = XEnd - XStart; 
    YDiff = YEnd - YStart; 
    ZDiff = ZEnd - ZStart; 

    D3DXVec3Normalize(&vecDir, &D3DXVECTOR3(XDiff, YDiff, ZDiff)); 
    D3DXIntersect(m_Mesh->m_Mesh, &D3DXVECTOR3(XStart,YStart,ZStart), &vecDir,&Hit, &FaceIndex, &u, &v, &Dist, NULL, NULL); 

    if(Hit == TRUE) { 
    Size = (float)sqrt(XDiff*XDiff+YDiff*YDiff+ZDiff*ZDiff); 
    if(Dist > Size) 
     Hit = FALSE; 
    else { 
     if(Length != NULL) 
     *Length = Dist; 
    } 
    } 

    return Hit; 
} 

是的，我已经链接的lib文件aditional的依赖

d3d8.lib; 
d3dx8d.lib; 
d3dx8.lib; 
winmm.lib; 
odbc32.lib; 
odbccp32.lib; 
libcmtd.lib; 
user32.lib; 
gdi32.lib; 
kernel32.lib; 
winspool.lib; 
comdlg32.lib; 
advapi32.lib; 
shell32.lib; 
ole32.lib; 
oleaut32.lib; 
uuid.lib; 
wsock32.lib; 
d3dxof.lib; 
dxguid.lib; 
d3dx.lib; 
dsound.lib; 
dinput8.lib; 
dplayx.lib; 
%(AdditionalDependencies) 

我得到thease误差修改：

1>Build started 1.3.2013 17:45:31. 
1>InitializeBuildStatus: 
1> Touching "Debug\Diavolo.unsuccessfulbuild". 
1>ClCompile: 
1> ACT1.cpp 
1> c:\program files (x86)\microsoft sdks\windows\v7.0a\include\dinput.h: DIRECTINPUT_VERSION undefined. Defaulting to version 0x0800 
1>ManifestResourceCompile: 
1> All outputs are up-to-date. 
1>libcmtd.lib(crt0.obj) : error LNK2001: unresolved external symbol _main 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: int __thiscall cVertexBuffer::Create(class cGraphics *,unsigned long,unsigned long,long)" ([email protected]@@[email protected]@[email protected]) referenced in function "public: int __thiscall cNodeTreeMesh::Create(class cGraphics *,class cMesh *,int,float,long)" ([email protected]@@[email protected]@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: struct sMesh * __thiscall cMesh::GetParentMesh(void)" ([email protected]@@[email protected]@XZ) referenced in function "public: int __thiscall cNodeTreeMesh::Create(class cGraphics *,class cMesh *,int,float,long)" ([email protected]@@[email protected]@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: __thiscall cVertexBuffer::cVertexBuffer(void)" ([email protected]@[email protected]) referenced in function "public: __thiscall cNodeTreeMesh::sGroup::sGroup(void)" ([email protected]@@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: __thiscall cVertexBuffer::~cVertexBuffer(void)" ([email protected]@[email protected]) referenced in function "public: __thiscall cNodeTreeMesh::sGroup::~sGroup(void)" ([email protected]@@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: int __thiscall cVertexBuffer::Free(void)" ([email protected]@@QAEHXZ) referenced in function "public: __thiscall cNodeTreeMesh::sGroup::~sGroup(void)" ([email protected]@@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: int __thiscall cVertexBuffer::Render(unsigned long,unsigned long,unsigned long)" ([email protected]@@[email protected]) referenced in function "public: int __thiscall cNodeTreeMesh::Render(class cFrustum *,float)" ([email protected]@@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: int __thiscall cVertexBuffer::Unlock(void)" ([email protected]@@QAEHXZ) referenced in function "public: int __thiscall cNodeTreeMesh::Render(class cFrustum *,float)" ([email protected]@@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: void * __thiscall cVertexBuffer::GetPtr(void)" ([email protected]@@QAEPAXXZ) referenced in function "public: int __thiscall cNodeTreeMesh::Render(class cFrustum *,float)" ([email protected]@@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: int __thiscall cVertexBuffer::Lock(unsigned long,unsigned long)" ([email protected]@@[email protected]) referenced in function "public: int __thiscall cNodeTreeMesh::Render(class cFrustum *,float)" ([email protected]@@[email protected]@[email protected]) 
1>ACT1.obj : error LNK2019: unresolved external symbol "public: struct IDirect3DDevice8 * __thiscall cGraphics::GetDeviceCOM(void)" ([email protected]@@[email protected]@XZ) referenced in function "public: int __thiscall cNodeTreeMesh::Render(class cFrustum *,float)" ([email protected]@@[email protected]@[email protected]) 
1>Frustum.obj : error LNK2001: unresolved external symbol "public: struct IDirect3DDevice8 * __thiscall cGraphics::GetDeviceCOM(void)" ([email protected]@@[email protected]@XZ) 
1>.\Debug\Diavolo.exe : fatal error LNK1120: 11 unresolved externals 
1> 
1>Build FAILED. 
1> 
1>Time Elapsed 00:00:01.57 
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ========== 

对不起，我英文不好。任何帮助将真正appriciated

Answer 1

您正在收到链接错误，因为你没有链接到d3dx9.lib，d3dx9d.lib和d3d9.lib。