bool CInputSDL::Create (void)
{
if (!m_Ready)
{
// Reset the keyboard state
memset (m_KeyState, 0, MAX_KEYS);
//SDL_EnableKeyRepeat(100, SDL_DEFAULT_REPEAT_INTERVAL);
// Prepare the friendly name for each key
MakeKeyFriendlyNames ();
// Create all joysticks that are installed on the system
for(int i=0; i < SDL_NumJoysticks(); i++ )
{
SJoystick *pJoystick = new SJoystick;
if (pJoystick == NULL)
{
// Log failure
theLog.WriteLine ("SDLInput => !!! Could not allocate memory for a joystick.");
// Get out
return false;
}
// Reset the joystick state
memset (&pJoystick->State, 0, sizeof(pJoystick->State));
// The joystick is not opened yet
pJoystick->Opened = false;
// Set the joystick's device to NULL (will be created later)
pJoystick->pDevice = NULL;
m_pJoysticks.push_back (pJoystick); // the joystick is not opened
theLog.WriteLine ("SDLInput => A joystick was added.");
}
m_Ready = true;
}
SDL_JoystickEventState(SDL_ENABLE);
// Everything went right
return true;
}
bool CDirectInput::Create (void)
{
if (!m_Ready)
{
// Create the directinput object
HRESULT hRet = DirectInputCreateEx (m_hInstance, DIRECTINPUT_VERSION, IID_IDirectInput7, (void**)&m_pDI, NULL);
// If it failed
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not create DirectInput object.");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
// If it was successful
else
{
// Log success
theLog.WriteLine ("DirectInput => DirectInput object was created successfully.");
}
hRet = m_pDI->CreateDeviceEx (GUID_SysKeyboard, IID_IDirectInputDevice7, (void**)&m_pKeyboard, NULL);
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not create keyboard.");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
else
{
// Log success
theLog.WriteLine ("DirectInput => Keyboard was created.");
}
// Set the keyboard data format
hRet = m_pKeyboard->SetDataFormat (&c_dfDIKeyboard);
// If it failed
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not set data format (keyboard).");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
// Set the keyboard's cooperative level
hRet = m_pKeyboard->SetCooperativeLevel (m_hWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
// If it failed
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not set cooperative level (keyboard).");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
// Reset the keyboard state
ZeroMemory (m_KeyState, MAX_KEYS);
// The keyboard is not opened yet
m_KeyboardOpened = false;
// We need this variable to get information about each key of the keyboard
DIDEVICEOBJECTINSTANCE DeviceObjectInstance;
// Scan the keys the keyboard could have
for (int Key = 0 ; Key < MAX_KEYS ; Key++)
{
// Initialize the device object instance and get the key's information
ZeroMemory (&DeviceObjectInstance, sizeof (DIDEVICEOBJECTINSTANCE));
DeviceObjectInstance.dwSize = sizeof (DIDEVICEOBJECTINSTANCE);
HRESULT hRet = m_pKeyboard->GetObjectInfo (&DeviceObjectInstance, Key, DIPH_BYOFFSET);
ASSERT (hRet == DI_OK || hRet == DIERR_OBJECTNOTFOUND);
// Store the key's real name, that is to say the name given by Windows
strcpy (m_KeyRealName[Key], (hRet != DIERR_OBJECTNOTFOUND ? DeviceObjectInstance.tszName : "Key does not exist"));
}
// Prepare the friendly name for each key
MakeKeyFriendlyNames ();
// Prepare the structure to pass when enumerating the devices
SEnumParam EnumParam;
EnumParam.pDI = m_pDI;
// Create all joysticks that are installed in Windows
hRet = m_pDI->EnumDevices (DIDEVTYPE_JOYSTICK, CreateInputDevice, &EnumParam, DIEDFL_ALLDEVICES);
// Assert it's not an unexpected return value
ASSERT (hRet == DI_OK);
// The EnumParam contains the input devices, browse them
for (unsigned int Index = 0 ; Index < EnumParam.pDevices.size() ; Index++)
{
LPDIRECTINPUTDEVICE7 pDevice = EnumParam.pDevices[Index];
// Set the joystick data format
hRet = pDevice->SetDataFormat (&c_dfDIJoystick);
// If it failed
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not set data format (joystick).");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
// Set the joystick cooperative level
hRet = pDevice->SetCooperativeLevel (m_hWnd, DISCL_FOREGROUND | DISCL_NONEXCLUSIVE);
// If it failed
if (hRet != DI_OK)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not set cooperative level (joystick).");
theLog.WriteLine ("DirectInput => !!! DirectInput error is : %s.", GetDirectInputError(hRet));
// Get out
return false;
}
// We need to prepare this in order to set the joystick dead zone
DIPROPDWORD PropertyDword;
PropertyDword.diph.dwSize = sizeof(PropertyDword);
PropertyDword.diph.dwHeaderSize = sizeof(PropertyDword.diph);
PropertyDword.diph.dwObj = 0; // Apply to the
PropertyDword.diph.dwHow = DIPH_DEVICE; // entire device
PropertyDword.dwData = 10000 * JOYSTICK_DEAD_ZONE / 100;
// Set the property
hRet = pDevice->SetProperty (DIPROP_DEADZONE, &PropertyDword.diph);
// Assert it's not an unexpected error
ASSERT (hRet == DI_OK || hRet == DI_PROPNOEFFECT);
// We need to prepare this in order to set the joystick range
DIPROPRANGE PropertyRange;
PropertyRange.diph.dwSize = sizeof(PropertyRange);
PropertyRange.diph.dwHeaderSize = sizeof(PropertyRange.diph);
PropertyRange.diph.dwObj = 0; // Apply to the
PropertyRange.diph.dwHow = DIPH_DEVICE; // entire device
PropertyRange.lMin = JOYSTICK_MINIMUM_AXIS;
PropertyRange.lMax = JOYSTICK_MAXIMUM_AXIS;
// Set the property
hRet = pDevice->SetProperty (DIPROP_RANGE, &PropertyRange.diph);
// Assert it's not an unexpected error
ASSERT (hRet == DI_OK || hRet == DI_PROPNOEFFECT);
// Allocate memory for a joystick
SJoystick *pJoystick = new SJoystick;
// If allocation failed
if (pJoystick == NULL)
{
// Log failure
theLog.WriteLine ("DirectInput => !!! Could not allocate memory for a joystick.");
// Get out
return false;
}
// Reset the joystick state
ZeroMemory (&pJoystick->State, sizeof(pJoystick->State));
// The joystick is not opened yet
pJoystick->Opened = false;
// Set the joystick's directinput device
pJoystick->pDevice = pDevice;
// Add the joystick to the container
m_pJoysticks.push_back (pJoystick);
// Log we added one joystick
theLog.WriteLine ("DirectInput => One joystick was created.");
}
m_Ready = true;
}
// Everything went right
return true;
}
