/*
* Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "OHWiiGameController.h"
#import "OFArray.h"
#import "OFDictionary.h"
#import "OHGameControllerButton.h"
#import "OHGameControllerDirectionalPad.h"
#import "OHWiiClassicController.h"
#import "OHWiimote.h"
#import "OHWiimoteWithNunchuk.h"
#import "OFInitializationFailedException.h"
#import "OFInvalidArgumentException.h"
#import "OFReadFailedException.h"
#define asm __asm__
#include <wiiuse/wpad.h>
#undef asm
static float
scale(float value, float min, float max, float center)
{
if (value < min)
value = min;
if (value > max)
value = max;
if (value >= center)
return (value - center) / (max - center);
else
return (value - center) / (center - min);
}
@implementation OHWiiGameController
@synthesize profile = _profile;
+ (void)initialize
{
if (self != [OHWiiGameController class])
return;
if (WPAD_Init() != WPAD_ERR_NONE)
@throw [OFInitializationFailedException
exceptionWithClass: self];
}
+ (OFArray OF_GENERIC(OHGameController *) *)controllers
{
OFMutableArray *controllers = [OFMutableArray array];
void *pool = objc_autoreleasePoolPush();
for (int32_t i = 0; i < WPAD_MAX_WIIMOTES; i++) {
uint32_t type;
if (WPAD_Probe(i, &type) == WPAD_ERR_NONE &&
(type == WPAD_EXP_NONE || type == WPAD_EXP_NUNCHUK ||
type == WPAD_EXP_CLASSIC))
[controllers addObject: [[[OHWiiGameController alloc]
initWithIndex: i
type: type] autorelease]];
}
[controllers makeImmutable];
objc_autoreleasePoolPop(pool);
return controllers;
}
- (instancetype)initWithIndex: (int32_t)index type: (uint32_t)type
{
self = [super init];
@try {
_index = index;
_type = type;
if (type == WPAD_EXP_CLASSIC)
_profile = [[OHWiiClassicController alloc] init];
else if (type == WPAD_EXP_NUNCHUK)
_profile = [[OHWiimoteWithNunchuk alloc] init];
else
_profile = [[OHWiimote alloc] init];
[self updateState];
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (void)dealloc
{
[_profile release];
[super dealloc];
}
- (void)updateState
{
OFDictionary *buttons = _profile.buttons;
OFDictionary *directionalPads = _profile.directionalPads;
WPADData *data;
if (WPAD_ReadPending(_index, NULL) < WPAD_ERR_NONE)
@throw [OFReadFailedException
exceptionWithObject: self
requestedLength: sizeof(WPADData)
errNo: 0];
data = WPAD_Data(_index);
if (_type == WPAD_EXP_NONE || _type == WPAD_EXP_NUNCHUK) {
OHGameControllerDirectionalPad *dPad =
[directionalPads objectForKey: @"D-Pad"];
[[buttons objectForKey: @"A"]
setValue: !!(data->btns_h & WPAD_BUTTON_A)];
[[buttons objectForKey: @"B"]
setValue: !!(data->btns_h & WPAD_BUTTON_B)];
[[buttons objectForKey: @"1"]
setValue: !!(data->btns_h & WPAD_BUTTON_1)];
[[buttons objectForKey: @"2"]
setValue: !!(data->btns_h & WPAD_BUTTON_2)];
[[buttons objectForKey: @"+"]
setValue: !!(data->btns_h & WPAD_BUTTON_PLUS)];
[[buttons objectForKey: @"-"]
setValue: !!(data->btns_h & WPAD_BUTTON_MINUS)];
[[buttons objectForKey: @"Home"]
setValue: !!(data->btns_h & WPAD_BUTTON_HOME)];
[dPad.up setValue: !!(data->btns_h & WPAD_BUTTON_UP)];
[dPad.down setValue: !!(data->btns_h & WPAD_BUTTON_DOWN)];
[dPad.left setValue: !!(data->btns_h & WPAD_BUTTON_LEFT)];
[dPad.right setValue: !!(data->btns_h & WPAD_BUTTON_RIGHT)];
}
if (_type == WPAD_EXP_NUNCHUK) {
joystick_t *js = &data->exp.nunchuk.js;
OHGameControllerDirectionalPad *directionalPad;
[[buttons objectForKey: @"C"]
setValue: !!(data->btns_h & WPAD_NUNCHUK_BUTTON_C)];
[[buttons objectForKey: @"Z"]
setValue: !!(data->btns_h & WPAD_NUNCHUK_BUTTON_Z)];
directionalPad =
[directionalPads objectForKey: @"Analog Stick"];
directionalPad.xAxis.value =
scale(js->pos.x, js->min.x, js->max.x, js->center.x);
directionalPad.yAxis.value =
-scale(js->pos.y, js->min.y, js->max.y, js->center.y);
}
if (_type == WPAD_EXP_CLASSIC) {
joystick_t *ljs = &data->exp.classic.ljs;
joystick_t *rjs = &data->exp.classic.rjs;
OHGameControllerDirectionalPad *directionalPad;
[[buttons objectForKey: @"X"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_X)];
[[buttons objectForKey: @"B"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_B)];
[[buttons objectForKey: @"Y"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_Y)];
[[buttons objectForKey: @"A"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_A)];
[[buttons objectForKey: @"ZL"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_ZL)];
[[buttons objectForKey: @"ZR"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_ZR)];
[[buttons objectForKey: @"+"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_PLUS)];
[[buttons objectForKey: @"-"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_MINUS)];
[[buttons objectForKey: @"Home"]
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_HOME)];
directionalPad =
[directionalPads objectForKey: @"Left Thumbstick"];
directionalPad.xAxis.value =
scale(ljs->pos.x, ljs->min.x, ljs->max.x, ljs->center.x);
directionalPad.yAxis.value =
-scale(ljs->pos.y, ljs->min.y, ljs->max.y, ljs->center.y);
directionalPad =
[directionalPads objectForKey: @"Right Thumbstick"];
directionalPad.xAxis.value =
scale(rjs->pos.x, rjs->min.x, rjs->max.x, rjs->center.x);
directionalPad.yAxis.value =
-scale(rjs->pos.y, rjs->min.y, rjs->max.y, rjs->center.y);
[[buttons objectForKey: @"L"]
setValue: data->exp.classic.l_shoulder];
[[buttons objectForKey: @"R"]
setValue: data->exp.classic.r_shoulder];
directionalPad = [directionalPads objectForKey: @"D-Pad"];
[directionalPad.up
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_UP)];
[directionalPad.down
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_DOWN)];
[directionalPad.left
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_LEFT)];
[directionalPad.right
setValue: !!(data->btns_h & WPAD_CLASSIC_BUTTON_RIGHT)];
}
}
- (OFString *)name
{
if (_type == WPAD_EXP_NUNCHUK)
return @"Wiimote with Nunchuk";
else if (_type == WPAD_EXP_CLASSIC)
return @"Wiimote with Classic Controller";
else
return @"Wiimote";
}
- (id <OHGamepad>)gamepad
{
if (_type == WPAD_EXP_CLASSIC)
return (id <OHGamepad>)_profile;
return nil;
}
- (id <OHExtendedGamepad>)extendedGamepad
{
if (_type == WPAD_EXP_CLASSIC)
return (id <OHExtendedGamepad>)_profile;
return nil;
}
@end