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C-/C++-Quelltext

class Eingabe;


class Geraet
{
friend Eingabe;

public:
    Geraet* next,*previous;

    LPDIRECTINPUTDEVICE8  g_lpDIDevice;
    GUID Type;

    Geraet(LPDIRECTINPUT8, GUID, HWND);
    ~Geraet();


    void* Getdata(void* zeiger=NULL);
};


class Eingabe  
{
private:
    LPDIRECTINPUT8 g_lpDI; 
    Geraet* first;

public:
    Geraet* Geraeterfragen(GUID, HWND);
    void ReleaseGeraet(Geraet*);
    
    Eingabe(HINSTANCE);
    ~Eingabe();
};

C-/C++-Quelltext

// Eingabe.cpp: Implementierung der Klasse Eingabe.

//

//////////////////////////////////////////////////////////////////////


#include "Engine.h"

//////////////////////////////////////////////////////////////////////

// Konstruktion/Destruktion

//////////////////////////////////////////////////////////////////////

Eingabe::Eingabe(HINSTANCE hinst)
{
    this->first=NULL;

        if(DI_OK  != DirectInput8Create(hinst, 0x0800, IID_IDirectInput8, (void**)&g_lpDI, NULL))
            this->g_lpDI=NULL;
};

Eingabe::~Eingabe()
{
    while(this->first!=NULL)
        first->~Geraet();

    if(this->g_lpDI!=NULL)
        this->g_lpDI->Release();
}

Geraet* Eingabe::Geraeterfragen(GUID DevType, HWND Window)
{
    if(this->g_lpDI==NULL)
        return NULL;

 for(Geraet* temp= this->first; temp!=NULL; temp=temp->next)
     if(temp->Type == DevType)
         return temp;

 if(first!=NULL)
 {
     first->previous=new(Geraet)(this->g_lpDI, DevType, Window);
     if(first->previous->g_lpDIDevice==NULL)
         first->previous->~Geraet();
     first->previous->next=first;
     first=first->previous;
     return first;
 }
 else
 {
     first=new(Geraet)(this->g_lpDI, DevType, Window);
     if(first->g_lpDIDevice==NULL)
         first->~Geraet();
     return first;
 }
}

void Eingabe::ReleaseGeraet(Geraet* geraet)
{
 if(geraet==first)
     first=NULL;

 if(geraet->next!=NULL)
     geraet->next->previous=geraet->previous;

 if(geraet->previous!=NULL)
     geraet->previous->next=geraet->next;

    geraet->~Geraet();
}


 Geraet::Geraet(LPDIRECTINPUT8 g_lpDI, GUID DevType, HWND Window)
{
    this->g_lpDIDevice=NULL;
    this->Type=DevType;

    if(DI_OK != g_lpDI->CreateDevice(DevType, &this->g_lpDIDevice, NULL))
    {   this->~Geraet(); return;}

    if(this->Type==GUID_SysKeyboard)    
         if(DI_OK != this->g_lpDIDevice->SetDataFormat(&c_dfDIKeyboard))
         {  this->~Geraet(); return;}

    if(this->Type==GUID_SysMouse)
         if(DI_OK != this->g_lpDIDevice->SetDataFormat(&c_dfDIMouse2))
         {  this->~Geraet(); return;}


    if(DI_OK != this->g_lpDIDevice->SetCooperativeLevel(Window, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND)) //DISCL_EXCLUSIVE|

        {   this->~Geraet(); return;}

    this->g_lpDIDevice->Acquire();

return;
}

 Geraet::~Geraet()
{
 if(this->g_lpDIDevice)
 {
    this->g_lpDIDevice->Unacquire();
    this->g_lpDIDevice->Release();
 }  
this->g_lpDIDevice=NULL;
}


void* Geraet::Getdata(void* Zeiger)
{
    if(this->g_lpDIDevice==NULL)
        return NULL;

    if(DIERR_INPUTLOST==g_lpDIDevice->Poll())
        g_lpDIDevice->Acquire();

    if(Zeiger==NULL)
    {
        if(this->Type==GUID_SysKeyboard)    
             Zeiger=new(char[256]);

        if(this->Type==GUID_SysMouse)
             Zeiger=new(DIMOUSESTATE2);
    }

//      if(DIERR_NOTINITIALIZED==this->g_lpDIDevice->GetDeviceState(256, Zeiger))

//          return Zeiger;

    HRESULT hr=this->g_lpDIDevice->GetDeviceState(256, Zeiger);

    switch(hr)// seltsma keine fehlermeldung sit es

    {
    case DIERR_INPUTLOST : 
        break;
    case DIERR_INVALIDPARAM : 
        break;
    case DIERR_NOTACQUIRED : 
        break;
    case DIERR_NOTINITIALIZED : 
        break;
    case E_PENDING : 
        break;
    }

    if(DI_OK != this->g_lpDIDevice->Acquire())
                return NULL;

        if(DI_OK==this->g_lpDIDevice->GetDeviceState(sizeof Zeiger, Zeiger))
            return Zeiger;

    return NULL;
}

C-/C++-Quelltext

///////////////////////////////////////////////////////////////////////////////////////

//  EINGABE

///////////////////////////////////////////////////////////////////////////////////////

Geraet keyboard=spiel.pEingabe->Geraeterfragen(GUID_SysKeyboard, spiel.pDirektX->PresentParams.hDeviceWindow);

char Keyboard[256];
if(keyboard!=NULL)
keyboard->Getdata(Keyboard);

if(Keyboard[DIK_UP] & 0x80)
 Modells->Movement(myVektor(0,0,1));

 if(Keyboard[DIK_DOWN] & 0x80)
 Modells->Movement(myVektor(0,0,-1));

 if(Keyboard[DIK_BACK] & 0x80)
  Modells->SetMovement(myVektor(0,0,0));