STDMETHODIMP_(UInt32) CDecoder::Filter(Byte *data, UInt32 size)
{
UInt32 key0 = this->Key0;
UInt32 key1 = this->Key1;
UInt32 key2 = this->Key2;
for (UInt32 i = 0; i < size; i++)
{
DECRYPT_BYTE_1
Byte b = (Byte)(data[i] ^ DECRYPT_BYTE_2);
UPDATE_KEYS(b);
data[i] = b;
}
this->Key0 = key0;
this->Key1 = key1;
this->Key2 = key2;
return size;
}
//*************************************************************//
// UPDATE
bool InputManager::Update( void )
{
// Sanity-check the wrapper's status
assert( m_eStatus == E_INITIALIZED && "InputManager::Update - wrapper has not been initialized" );
if( m_eStatus != E_INITIALIZED )
return false;
// Store cursor position
POINT cursor = { };
RECT clip = { };
GetCursorPos( &cursor );
ScreenToClient( m_hWnd, &cursor );
GetClipCursor( &clip );
if( clip.left > 0 )
cursor.x -= clip.left;
if( clip.top > 0 )
cursor.y -= clip.top;
m_vCursorMovement = Vector{ (float)cursor.x - m_ptCursor.x, (float)cursor.y - m_ptCursor.y };
m_ptCursor = Point{ (float)cursor.x, (float)cursor.y };
// Poll keyboard/mouse key states ONLY if window has focus
BYTE keyboard[256] = { };
GetKeyState( 0 );
if( GetForegroundWindow() == m_hWnd )
GetKeyboardState( keyboard );
// Ignore: 0, 7, 10-11, 14-15, 21-26, 28-31, 58-64, 94, 136-143, 146-159, 184-185, 193-218, 224-225, 227-245, 252, 255
#define UPDATE_KEY( key ) m_aKeyboard[ key ] = ((m_aKeyboard[ key ] & Bit_Current) >> 1) | (keyboard[ key ])
#define UPDATE_KEYS( start, stop ) for( int i = start; i <= stop; i++ ) UPDATE_KEY(i);
UPDATE_KEYS( 1, 6 );
UPDATE_KEYS( 8, 9 );
UPDATE_KEYS( 12, 13 );
UPDATE_KEYS( 16, 20 );
UPDATE_KEY( 27 );
UPDATE_KEYS( 32, 57 );
UPDATE_KEYS( 65, 93 );
UPDATE_KEYS( 95, 135 );
UPDATE_KEYS( 144, 145 );
UPDATE_KEYS( 160, 183 );
UPDATE_KEYS( 186, 192 );
UPDATE_KEYS( 219, 223 );
UPDATE_KEY( 226 );
UPDATE_KEYS( 246, 251 );
UPDATE_KEYS( 253, 254 );
#undef UPDATE_KEYS
#undef UPDATE_KEY
// Update gamepads
for( unsigned int i = 0; i < m_vGamepads.size(); i++ )
{
GamepadInfo& info = m_vGamepads[ i ];
// Read device state
DIJOYSTATE state;
HRESULT hResult = info.pDevice->GetDeviceState( sizeof( DIJOYSTATE ), &state );
if( FAILED( hResult ) )
{
hResult = info.pDevice->Acquire();
if( FAILED( hResult ) )
{
info = GamepadInfo{ info.id, info.pDevice, info.wszName, info.bHasTriggerAxis, false };
continue;
}
}
info.bConnected = true;
// Interpret the dpad / point-of-view hat
info.ePreviousDPad = info.eDPad;
DWORD dpad0 = state.rgdwPOV[ 0 ];
if( dpad0 == 0xFFFFFFFF || dpad0 == 0xFFFF )
info.eDPad = DPad::Neutral;
else if( dpad0 < 2250 )
info.eDPad = DPad::Up;
else if( dpad0 < 6750 )
info.eDPad = DPad::UpRight;
else if( dpad0 < 11250 )
info.eDPad = DPad::Right;
else if( dpad0 < 15750 )
info.eDPad = DPad::DownRight;
else if( dpad0 < 20250 )
info.eDPad = DPad::Down;
else if( dpad0 < 24750 )
info.eDPad = DPad::DownLeft;
else if( dpad0 < 29250 )
info.eDPad = DPad::Left;
else if( dpad0 < 33750 )
info.eDPad = DPad::UpLeft;
else if( dpad0 <= 36000 )
info.eDPad = DPad::Up;
else // invalid?
info.eDPad = DPad::Neutral;
// Interpret the buttons
for( int b = 0; b < 32; b++ )
info.aButtons[ b ] = ((info.aButtons[ b ] & Bit_Current) >> 1) | state.rgbButtons[ b ];
// Interpret the joysticks
info.fLeftX = state.lX * 0.001f;
info.fLeftY = state.lY * 0.001f;
if( info.bHasTriggerAxis == true )
{
// Right stick *should* be separate
info.fRightX = state.lRx * 0.001f;
info.fRightY = state.lRy * 0.001f;
info.fTrigger = -state.lZ * 0.001f; // left is negative
}
else
{
// Right stick uses left z ... somehow
info.fRightX = state.lZ * 0.001f;
info.fRightY = state.lRz * 0.001f;
info.fTrigger = 0.0f;
}
}
return true;
}
