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#import "OFNumber.h"
#import "OFSet.h"
#import "OFInitializationFailedException.h"
#import "OFReadFailedException.h"
#include <xinput.h>
#ifndef XINPUT_GAMEPAD_GUIDE
# define XINPUT_GAMEPAD_GUIDE 0x400
#endif
struct XInputCapabilitiesEx {
XINPUT_CAPABILITIES capabilities;
WORD vendorID;
WORD productID;
WORD versionNumber;
WORD unknown1;
DWORD unknown2;
};
static WINAPI DWORD (*XInputGetStateFuncPtr)(DWORD, XINPUT_STATE *);
static WINAPI DWORD (*XInputGetCapabilitiesExFuncPtr)(DWORD, DWORD, DWORD,
struct XInputCapabilitiesEx *);
static const char *XInputVersion;
static int XInputVersion;
@implementation OFXInputGameController
@synthesize vendorID = _vendorID, productID = _productID;
@synthesize leftAnalogStickPosition = _leftAnalogStickPosition;
@synthesize rightAnalogStickPosition = _rightAnalogStickPosition;
+ (void)initialize
{
HMODULE module;
if (self != [OFXInputGameController class])
return;
if ((module = LoadLibraryA("xinput1_4.dll")) != NULL) {
XInputGetStateFuncPtr =
(WINAPI DWORD (*)(DWORD, XINPUT_STATE *))
GetProcAddress(module, "XInputGetState");
GetProcAddress(module, (LPCSTR)100);
XInputGetCapabilitiesExFuncPtr = (WINAPI DWORD (*)(DWORD, DWORD,
DWORD, struct XInputCapabilitiesEx *))
GetProcAddress(module, "XInputGetCapabilitiesEx");
XInputVersion = "1.4";
XInputVersion = 14;
} else if ((module = LoadLibraryA("xinput1_3.dll")) != NULL) {
XInputGetStateFuncPtr =
(WINAPI DWORD (*)(DWORD, XINPUT_STATE *))
GetProcAddress(module, "XInputGetState");
XInputVersion = "1.3";
GetProcAddress(module, (LPCSTR)100);
XInputVersion = 13;
} else if ((module = LoadLibraryA("xinput9_1_0.dll")) != NULL) {
XInputGetStateFuncPtr =
(WINAPI DWORD (*)(DWORD, XINPUT_STATE *))
GetProcAddress(module, "XInputGetState");
XInputVersion = "9.1.0";
XInputVersion = 910;
}
}
+ (OFArray OF_GENERIC(OFGameController *) *)controllers
{
OFMutableArray *controllers = [OFMutableArray array];
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capabilities.vendorID];
_productID = [[OFNumber alloc]
initWithUnsignedShort:
capabilities.productID];
}
}
_pressedButtons = [[OFMutableSet alloc] initWithCapacity: 16];
_pressedButtons = [[OFMutableSet alloc] initWithCapacity: 17];
[self retrieveState];
} @catch (id e) {
[self release];
@throw e;
}
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[_pressedButtons addObject: OFGameControllerDPadLeftButton];
if (state.Gamepad.wButtons & XINPUT_GAMEPAD_DPAD_RIGHT)
[_pressedButtons addObject: OFGameControllerDPadRightButton];
if (state.Gamepad.wButtons & XINPUT_GAMEPAD_START)
[_pressedButtons addObject: OFGameControllerStartButton];
if (state.Gamepad.wButtons & XINPUT_GAMEPAD_BACK)
[_pressedButtons addObject: OFGameControllerSelectButton];
if (XInputVersion != 910 &&
state.Gamepad.wButtons & XINPUT_GAMEPAD_GUIDE)
[_pressedButtons addObject: OFGameControllerHomeButton];
_leftTriggerPressure = (float)state.Gamepad.bLeftTrigger / 255;
_rightTriggerPressure = (float)state.Gamepad.bRightTrigger / 255;
if (_leftTriggerPressure > 0)
[_pressedButtons addObject: OFGameControllerLeftTriggerButton];
if (_rightTriggerPressure > 0)
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(state.Gamepad.sThumbRX < 0 ? -INT16_MIN : INT16_MAX),
-(float)state.Gamepad.sThumbRY /
(state.Gamepad.sThumbRY < 0 ? -INT16_MIN : INT16_MAX));
}
- (OFString *)name
{
switch (XInputVersion) {
case 14:
return @"XInput 1.4 device";
case 13:
return @"XInput 1.3 device";
case 910:
return @"XInput 9.1.0 device";
}
return [OFString stringWithFormat: @"XInput %s device", XInputVersion];
OFGameControllerSelectButton, nil];
OFGameControllerSelectButton,
(XInputVersion != 910 ? OFGameControllerHomeButton : nil), nil];
}
- (OFSet OF_GENERIC(OFGameControllerButton) *)pressedButtons
{
return [[_pressedButtons copy] autorelease];
}
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