Question

我有一个游戏类 -

Game.h ：

#pragma once

#include "D3DGraphics.h"
#include "Mouse.h"
#include "Screen.h"
#include "Script.h"

class Game
{
public:
    Game( HWND hWnd, const MouseServer &mouseServer, const ScreenServer &screenServer );
    void Go();
    void Config();

private:    
    void ComposeFrame();

    D3DGraphics gfx;
    MouseClient mouse;
    ScreenClient screen;

    Script * scripts[ 1 ];
};

我有一个D3DGraphics类 -

D3DGraphics.h ：

#pragma once

#include <d3d9.h>
#include <d3dx9.h>

#include "Screen.h"
#include "Script.h"

#define CUSTOMFVF (D3DFVF_XYZRHW | D3DFVF_DIFFUSE)

struct CUSTOMVERTEX
{
    FLOAT x, y, z, rhw;    // from the D3DFVF_XYZRHW flag
    DWORD color;    // from the D3DFVF_DIFFUSE flag
};

class D3DGraphics
{
public:
    D3DGraphics( HWND hWnd, ScreenClient screenClient );
    ~D3DGraphics();

    void Begin();
    void End();
    void Present();

    void CreateViewport();
    void DefineText( Script *script );

    LPDIRECT3D9 d3dObject;
    LPDIRECT3DDEVICE9 d3dDevice;
    D3DPRESENT_PARAMETERS presParams;
    HRESULT hr;

    float ResizeLockRatio( float width, float height, float scalingWidth );
    float GetGameOffset( float resizedImageHeight );

    void DrawRectangle( int x, int y, int width, int height, D3DCOLOR backgroundColor );
    void DrawActionBar();
    void RenderText( Script *script );
private:
    LPDIRECT3DVERTEXBUFFER9 vBuffer;
    ScreenClient screen;
};

请注意，Game类同时具有

D3DGraphics gfx;
Script * scripts[ 1 ];

在我的Game.cpp中，我制作了D3DGraphics版本并将其放在gfx中：

Game.cpp ：

#include "Game.h"

Game::Game( HWND hWnd, const MouseServer &mouseServer, const ScreenServer &screenServer )
    :   mouse( mouseServer ),
        screen( screenServer ),
        gfx( hWnd, screen )
{
    //gfx.d3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, TRUE);

    std::string debugStringResult;
    std::stringstream debugString;
    debugString << "Mouse X: " << mouse.GetMouseX() << ",\nMouse Y: " << mouse.GetMouseY() << ",\nLeft mouse down: " << mouse.LeftMouseDown() << ",\nRight mouse down: " << mouse.RightMouseDown() << ",\nScreen width: " << screen.GetScreenWidth() << ",\nScreen height: " << screen.GetScreenHeight() << "\nSystem resolution: " << screen.GetWindowWidth() << " x " << screen.GetWindowHeight();
    debugStringResult = debugString.str();
        scripts[ 0 ] = new Script( gfx, "Arial", 0, 0, 255, 0, debugStringResult, 10, 10, ( screen.GetWindowWidth() - 10 ), ( screen.GetWindowHeight() - 10 ) );
}

我有一个脚本类 -

Script.h ：

#pragma once

#include "D3DGraphics.h"
#include <sstream>

class Script
{
public: 
    Script( D3DGraphics gfx,
            LPCSTR font, 
            int alpha, int r, int g, int b, 
            std::string text, 
            float x, float y, float width, float height );

    LPCSTR font;
    int alpha, r, g, b;
    std::string text;
    float x, y, width, height;
    D3DCOLOR color;
    RECT rect;
    ID3DXFont *handle;
private:
};

我的脚本构造函数如下所示：

Script.cpp ：

#include "Script.h"

Script::Script( D3DGraphics gfx,
                LPCSTR font, 
                int alpha, int r, int g, int b, 
                std::string text, 
                float x, float y, float width, float height )
{
    gfx.DefineText( this );
}

等等。现在编译我的应用程序时出现错误：

Error   1   error C2061: syntax error : identifier 'D3DGraphics'    c:\users\james\documents\visual studio 2012\projects\thegame\thegame\script.h   9   1   TheGame
Error   8   error C2061: syntax error : identifier 'D3DGraphics'    c:\users\james\documents\visual studio 2012\projects\thegame\thegame\script.h   9   1   TheGame
Error   9   error C2661: 'Script::Script' : no overloaded function takes 11 arguments   c:\users\james\documents\visual studio 2012\projects\thegame\thegame\game.cpp   14  1   TheGame
Error   10  error C2061: syntax error : identifier 'Script' c:\users\james\documents\visual studio 2012\projects\thegame\thegame\d3dgraphics.h  28  1   TheGame
Error   11  error C2061: syntax error : identifier 'Script' c:\users\james\documents\visual studio 2012\projects\thegame\thegame\d3dgraphics.h  40  1   TheGame
Error   12  error C2660: 'D3DGraphics::DefineText' : function does not take 1 arguments c:\users\james\documents\visual studio 2012\projects\thegame\thegame\script.cpp 9   1   TheGame
Error   13  error C2061: syntax error : identifier 'D3DGraphics'    c:\users\james\documents\visual studio 2012\projects\thegame\thegame\script.h   9   1   TheGame
Error   16  error C2061: syntax error : identifier 'D3DGraphics'    c:\users\james\documents\visual studio 2012\projects\thegame\thegame\script.h   9   1   TheGame

Script.h的第9行是：

Script( D3DGraphics gfx,...

老实说，我不知道究竟发生了什么？有没有人有线索，过去2个小时我一直在盯着代码看死像。

Answer 1

如Need4Sleep所述，您的D3DGraphics.h和Script.h的循环包含是个问题。解决此问题的一种方法是只转发声明脚本类，而不是在D3DGraphics.h中包含其标题。

例如：

#pragma once

#include <d3d9.h>
#include <d3dx9.h>

#include "Screen.h"

#define CUSTOMFVF (D3DFVF_XYZRHW | D3DFVF_DIFFUSE)

class Script;
struct CUSTOMVERTEX
{
    FLOAT x, y, z, rhw;    // from the D3DFVF_XYZRHW flag
    DWORD color;           // from the D3DFVF_DIFFUSE flag
};

class D3DGraphics
{
public:
    D3DGraphics( HWND hWnd, ScreenClient screenClient );
    ~D3DGraphics();

    // rest of D3DGraphics's definition
};

只要D3DGraphics没有以实质性方式使用Script类的内联方法，这将有效。例如。指向脚本的指针很好。

Answer 2

你有一个循环依赖，所以你可能需要指定你想在脚本之前编译D3DGraphics，这是通过以下方式完成的：

#pragma once

#include "D3DGraphics.h"
#include <sstream>

class D3DGraphics;

class Script
{
public: 
    Script( D3DGraphics gfx,
            LPCSTR font, 
            int alpha, int r, int g, int b, 
            std::string text, 
            float x, float y, float width, float height );

    LPCSTR font;
    int alpha, r, g, b;
    std::string text;
    float x, y, width, height;
    D3DCOLOR color;
    RECT rect;
    ID3DXFont *handle;
private:
};

语法错误：找不到标识符......但是我已经包含它了吗？ C ++

2 个答案: