t3dlib2.cpp

一个类似于街机的小游戏

#define WIN32_LEAN_AND_MEAN  


#include <windows.h>  
#include <windowsx.h> 
#include <mmsystem.h>
#include <objbase.h>
#include <iostream.h> 
#include <conio.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <math.h>
#include <io.h>
#include <fcntl.h>

#include <ddraw.h> 
#include <dinput.h>

#include "T3DLIB1.H"
#include "T3DLIB2.H"



extern HWND main_window_handle;    
extern HINSTANCE main_instance; 


LPDIRECTINPUT8       lpdi      = NULL;    
LPDIRECTINPUTDEVICE8 lpdikey   = NULL;   
LPDIRECTINPUTDEVICE8 lpdimouse = NULL;    
LPDIRECTINPUTDEVICE8 lpdijoy   = NULL;   
GUID                 joystickGUID;        
char                 joyname[80];        


UCHAR keyboard_state[256]; 
DIMOUSESTATE mouse_state;  
DIJOYSTATE joy_state;     
int joystick_found = 0;    

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

BOOL CALLBACK DInput_Enum_Joysticks(LPCDIDEVICEINSTANCE lpddi,
								LPVOID guid_ptr) 
{


*(GUID*)guid_ptr = lpddi->guidInstance; 


strcpy(joyname, (char *)lpddi->tszProductName);

return(DIENUM_STOP);

} 

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

int DInput_Init(void)
{


if (FAILED(DirectInput8Create(main_instance, DIRECTINPUT_VERSION, IID_IDirectInput8, (void **)&lpdi,NULL)))
   return(0);

return(1);

} 

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

void DInput_Shutdown(void)
{


if (lpdi)
   lpdi->Release();

} 

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

int DInput_Init_Joystick(int min_x, int max_x, int min_y, int max_y, int dead_zone)
{

lpdi->EnumDevices(DI8DEVCLASS_GAMECTRL, 
                  DInput_Enum_Joysticks, 
                  &joystickGUID, 
                  DIEDFL_ATTACHEDONLY); 

LPDIRECTINPUTDEVICE lpdijoy_temp = NULL;

if (lpdi->CreateDevice(joystickGUID, &lpdijoy, NULL)!=DI_OK)
   return(0);

if (lpdijoy->SetCooperativeLevel(main_window_handle, 
	                 DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)!=DI_OK)
   return(0);

if (lpdijoy->SetDataFormat(&c_dfDIJoystick)!=DI_OK)
   return(0);

DIPROPRANGE joy_axis_range;

joy_axis_range.lMin = min_x;
joy_axis_range.lMax = max_x;

joy_axis_range.diph.dwSize       = sizeof(DIPROPRANGE); 
joy_axis_range.diph.dwHeaderSize = sizeof(DIPROPHEADER); 
joy_axis_range.diph.dwObj        = DIJOFS_X;
joy_axis_range.diph.dwHow        = DIPH_BYOFFSET;

lpdijoy->SetProperty(DIPROP_RANGE,&joy_axis_range.diph);

joy_axis_range.lMin = min_y;
joy_axis_range.lMax = max_y;

joy_axis_range.diph.dwSize       = sizeof(DIPROPRANGE); 
joy_axis_range.diph.dwHeaderSize = sizeof(DIPROPHEADER); 
joy_axis_range.diph.dwObj        = DIJOFS_Y;
joy_axis_range.diph.dwHow        = DIPH_BYOFFSET;

lpdijoy->SetProperty(DIPROP_RANGE,&joy_axis_range.diph);


DIPROPDWORD dead_band;

dead_zone*=100;

dead_band.diph.dwSize       = sizeof(dead_band);
dead_band.diph.dwHeaderSize = sizeof(dead_band.diph);
dead_band.diph.dwObj        = DIJOFS_X;
dead_band.diph.dwHow        = DIPH_BYOFFSET;

dead_band.dwData            = dead_zone;


lpdijoy->SetProperty(DIPROP_DEADZONE,&dead_band.diph);

dead_band.diph.dwSize       = sizeof(dead_band);
dead_band.diph.dwHeaderSize = sizeof(dead_band.diph);
dead_band.diph.dwObj        = DIJOFS_Y;
dead_band.diph.dwHow        = DIPH_BYOFFSET;

dead_band.dwData            = dead_zone;


lpdijoy->SetProperty(DIPROP_DEADZONE,&dead_band.diph);


if (lpdijoy->Acquire()!=DI_OK)
   return(0);


joystick_found = 1;

return(1);

} 

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

int DInput_Init_Mouse(void)
{

if (lpdi->CreateDevice(GUID_SysMouse, &lpdimouse, NULL)!=DI_OK)
   return(0);

if (lpdimouse->SetCooperativeLevel(main_window_handle, 
                       DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)!=DI_OK)
   return(0);

if (lpdimouse->SetDataFormat(&c_dfDIMouse)!=DI_OK)
   return(0);

if (lpdimouse->Acquire()!=DI_OK)
   return(0);

return(1);

}

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

int DInput_Init_Keyboard(void)
{

 
if (lpdi->CreateDevice(GUID_SysKeyboard, &lpdikey, NULL)!=DI_OK)
   return(0);


if (lpdikey->SetCooperativeLevel(main_window_handle, 
                 DISCL_NONEXCLUSIVE | DISCL_BACKGROUND)!=DI_OK)
    return(0);

if (lpdikey->SetDataFormat(&c_dfDIKeyboard)!=DI_OK)
   return(0);

if (lpdikey->Acquire()!=DI_OK)
   return(0);


return(1);

}



int DInput_Read_Joystick(void)
{

if (!joystick_found)
   return(0);

if (lpdijoy)
    {
  
    if (lpdijoy->Poll()!=DI_OK)
        return(0);

    if (lpdijoy->GetDeviceState(sizeof(DIJOYSTATE), (LPVOID)&joy_state)!=DI_OK)
        return(0);
    }
else
    {

    memset(&joy_state,0,sizeof(joy_state));

    return(0);
    } 

return(1);

}

int DInput_Read_Mouse(void)
{

if (lpdimouse)    
    {
    if (lpdimouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mouse_state)!=DI_OK)
        return(0);
    }
else
    {
   
    memset(&mouse_state,0,sizeof(mouse_state));

    
    return(0);
    } 


return(1);

}


int DInput_Read_Keyboard(void)
{

if (lpdikey)
    {
    if (lpdikey->GetDeviceState(256, (LPVOID)keyboard_state)!=DI_OK)
       return(0);
    }
else
    {
   
    memset(keyboard_state,0,sizeof(keyboard_state));

  
    return(0);
    } 

return(1);

} 


void DInput_Release_Joystick(void)
{

if (lpdijoy)
    {    
    lpdijoy->Unacquire();
    lpdijoy->Release();
    } 

}

void DInput_Release_Mouse(void)
{

if (lpdimouse)
    {    
    lpdimouse->Unacquire();
    lpdimouse->Release();
    } 

} 

void DInput_Release_Keyboard(void)
{

if (lpdikey)
    {
    lpdikey->Unacquire();
    lpdikey->Release();
    } 
}