/***************************************************************************/
/* */
/* FileName: main.cpp */
/* */
/* Details: gamepad basics */
/* */
/* Author: [email protected] */
/* */
/* */
/***************************************************************************/
/***************************************************************************/
/***************************************************************************/
/* */
/* */
/* Details: Determines if the keypad buttons have been pressed */
/* */
/* Auth: x-factor (http://www.xfactordev.net) */
/* */
/* Main functions: */
/* Allows you to understand how the gamepad works, and give you a chance */
/* to build a self contained gamepad class that will meet all of your */
/* gameing needs..... */
/* */
/***************************************************************************/
/*
*****************************************************************
*** ***
*** | 1 Y B ***
* ___|___ xfactordev.net *
* | X A *
* | *
* *
* x 3 | *
* x ___|___ *
* xxxxxxxxx ***************************** | *
* x * * | 2 *
* x * start back * *
* * * *
* * * *
********* *********
*/
/***************************************************************************/
#include // this is the xdk..xbox libraries
LPDIRECT3D8 g_pD3D = NULL; // DirectX Object
LPDIRECT3DDEVICE8 g_pD3DDevice = NULL; // Screen Object
const SHORT XINPUT_DEADZONE = (SHORT)( 0.24f * FLOAT(0x7FFF) ); // Deadzone for the gamepad inputs
void InitialiseD3D()
{
// First of all, create the main D3D object.
// If it is created successfully we should
// get a pointer to an IDirect3D8 interface.
g_pD3D = Direct3DCreate8(D3D_SDK_VERSION);
//Create a structure to hold the settings for our device
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
//Fill the structure.
// Set fullscreen 640x480x32 mode
d3dpp.BackBufferWidth = 640;
d3dpp.BackBufferHeight = 480;
d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8;
// Create one backbuffer
d3dpp.BackBufferCount = 1;
// Set up how the backbuffer is "presented"
// to the frontbuffer each time
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
//Create a Direct3D device.
g_pD3D->CreateDevice(0, D3DDEVTYPE_HAL, NULL,
D3DCREATE_HARDWARE_VERTEXPROCESSING,
&d3dpp, &g_pD3DDevice);
}
void CleanUp()
{
g_pD3DDevice->Release();
g_pD3D->Release();
}
/***************************************************************************/
/* */
/* Well the function name should say it all, but its so that we can */
/* see if the gamepad has been pressed, so when we do press a button, we */
/* need some feedback, so I added this function....its nothing to do with */
/* the gamepad..heheh ..just incase you didn't know.. */
/* */
/***************************************************************************/
void ReBoot()
{
LD_LAUNCH_DASHBOARD LaunchData = { XLD_LAUNCH_DASHBOARD_MAIN_MENU };
XLaunchNewImage( NULL, (LAUNCH_DATA*)&LaunchData );
}
/***************************************************************************/
/* */
/* This is it...the code that explains how the gamepad works...its not to */
/* long I didnt' think...coudlnt really make it any smaller than this.... */
/* But hopefully after looking at it for a second or to you can see what is*/
/* happening.. */
/* */
/***************************************************************************/
int GamePad()
{
XINPUT_GAMEPAD myGamePad;
// Definition of what XINPUT_GAMEPAD looks like:
/*
struct
{
WORD wButtons;
BYTE bAnalogButtons[8];
SHORT sThumbLX;
SHORT sThumbLY;
SHORT sThumbRX;
SHORT sThumbRY;
} XINPUT_GAMEPAD;
*/
DWORD dwInsertions, dwRemovals;
XGetDeviceChanges( XDEVICE_TYPE_GAMEPAD, &dwInsertions, &dwRemovals );
static HANDLE pGamePd;
// dwInsertion contains the 'bitwise' information of inserted gamepads
//
// etc
// GamePad 2
// | GamePad 1
// | | GamePad 0
// | | |
// 0 0 ... 0 0 1
if( dwInsertions & 1 )
{
pGamePd = XInputOpen( XDEVICE_TYPE_GAMEPAD, 0,
XDEVICE_NO_SLOT, NULL );
}
if( pGamePd )
{
XINPUT_STATE myInputStates;
XInputGetState( pGamePd, &myInputStates );
memcpy( &myGamePad, &myInputStates.Gamepad, sizeof(XINPUT_GAMEPAD) );
}
// Okay simple but effective in this example, but you press the gamepad
// up button, and it returns true!
if( myGamePad.wButtons & XINPUT_GAMEPAD_DPAD_UP )
{
return 1;
}
if( myGamePad.wButtons & XINPUT_GAMEPAD_DPAD_DOWN )
{
return 2;
}
if( (myGamePad.wButtons & XINPUT_GAMEPAD_START ) &&(myGamePad.wButtons & XINPUT_GAMEPAD_BACK ))
{
// ReBoot();
return 3;
}
if( (myGamePad.bAnalogButtons[XINPUT_GAMEPAD_RIGHT_TRIGGER]) > 50 )
{
// ReBoot();
//return 3;
}
return false;
}
LPDIRECT3DVERTEXBUFFER8 g_pVertexBuffer = NULL; // Vertices Buffer
struct CUSTOMVERTEX
{
FLOAT x, y, z, rhw; // The transformed position for the vertex.
DWORD colour; // The vertex colour.
};
#define D3DFVF_CUSTOMVERTEX (D3DFVF_XYZRHW|D3DFVF_DIFFUSE)
void DrawTriangle(int tx)
{
VOID* pVertices;
//Store each point of the triangle together with it's colour
CUSTOMVERTEX cvVertices[] =
{
{float(tx)+250.0f, 100.0f, 200.0f, 1.0f, D3DCOLOR_XRGB(255, 0, 0),}, //Vertex 1 - Red (250, 100)
{float(tx)+120.0f, 180.0f, 20.0f, 1.0f, D3DCOLOR_XRGB(255, 0, 0),}, //Vertex 1 - Red (250, 100)
{float(tx)+750.0f, 10.0f, 100.0f, 1.0f, D3DCOLOR_XRGB(255, 0, 0),}, //Vertex 1 - Red (250, 100)
};
//Create the vertex buffer from our device
g_pD3DDevice->CreateVertexBuffer(1 * sizeof(CUSTOMVERTEX),
0,
D3DFVF_CUSTOMVERTEX,
D3DPOOL_DEFAULT,
&g_pVertexBuffer);
//Get a pointer to the vertex buffer vertices and lock the vertex buffer
g_pVertexBuffer->Lock(0, sizeof(cvVertices), (BYTE**)&pVertices, 0);
//Copy our stored vertices values into the vertex buffer
memcpy(pVertices, cvVertices, sizeof(cvVertices));
//Unlock the vertex buffer
g_pVertexBuffer->Unlock();
//Rendering our triangle
g_pD3DDevice->SetStreamSource(0, g_pVertexBuffer, sizeof(CUSTOMVERTEX));
g_pD3DDevice->SetVertexShader(D3DFVF_CUSTOMVERTEX);
g_pD3DDevice->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);
}
//Application entry point
void __cdecl main()
{
InitialiseD3D();
XInitDevices(0, 0);
int xval = 9;
// We keep checking the gampad, when it return true, the up button on the gamepad
// was pressed and it returns true, and we leave the loop and reboot our xbox.
while( true )
{
// Clear the backbuffer to black
g_pD3DDevice->Clear(0, NULL, D3DCLEAR_TARGET,
D3DCOLOR_XRGB(0, 0, 255), 1.0f, 0);
// r g b
// Begin the scene
g_pD3DDevice->BeginScene();
int bb = GamePad();
if( bb == 1 )
{
if(xval>638){
}else{
xval++;
xval++;
}
}
if( bb == 2 )
{
if(xval<2){
}else{
xval--;
xval--;
}
}
if( bb == 3 )
{
ReBoot();
}
//DrawTriangle(xval); //commented out to focus on the real code error
// End the scene
g_pD3DDevice->EndScene();
// Flip the back and front buffers so that
// whatever has been rendered on the back buffer
// will now be visible on screen (front buffer).
g_pD3DDevice->Present(NULL, NULL, NULL, NULL);
}
void CleanUp();
ReBoot();
}
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Author
Topic: Getting Input From A Controller (Read 220 times)