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iOS: use haptic engine instead of feedback generator for device rumble

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Eric Warmenhoven 2023-07-19 12:14:20 -04:00 committed by LibretroAdmin
parent 2d66b5f863
commit 286ce51277
1 changed files with 116 additions and 8 deletions
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124
input/drivers_joypad/mfi_joypad.m
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@ -33,7 +33,10 @@
#if TARGET_OS_IOS
#include "../../configuration.h"
static UIImpactFeedbackGenerator *deviceFeedbackGenerator;
#define IPHONE_RUMBLE_AVAIL API_AVAILABLE(ios(14.0))
static CHHapticEngine *deviceHapticEngine IPHONE_RUMBLE_AVAIL;
static id<CHHapticPatternPlayer> deviceWeakPlayer IPHONE_RUMBLE_AVAIL;
static id<CHHapticPatternPlayer> deviceStrongPlayer IPHONE_RUMBLE_AVAIL;
#endif
enum
@ -487,15 +490,100 @@ static void apple_gamecontroller_joypad_disconnect(GCController* controller)
}
}
#if TARGET_OS_IOS
static void apple_gamecontroller_device_haptics_setup() IPHONE_RUMBLE_AVAIL
{
if (!CHHapticEngine.capabilitiesForHardware.supportsHaptics)
return;
if (deviceHapticEngine)
return;
NSError *error;
CHHapticEngine *engine = [[CHHapticEngine alloc] initAndReturnError:&error];
if (error)
return;
[engine startAndReturnError:&error];
if (error)
return;
deviceHapticEngine = engine;
deviceHapticEngine.stoppedHandler = ^(CHHapticEngineStoppedReason reason)
{
deviceWeakPlayer = nil;
deviceStrongPlayer = nil;
deviceHapticEngine = nil;
};
deviceHapticEngine.resetHandler = ^{
if (!deviceHapticEngine)
return;
[deviceHapticEngine startAndReturnError:nil];
};
}
static id<CHHapticPatternPlayer> apple_gamecontroller_device_haptics_create_player(float sharpness) IPHONE_RUMBLE_AVAIL
{
if (!CHHapticEngine.capabilitiesForHardware.supportsHaptics)
return nil;
apple_gamecontroller_device_haptics_setup();
if (!deviceHapticEngine)
return nil;
CHHapticEventParameter *sharp, *intense;
CHHapticEvent *event;
CHHapticPattern *pattern;
NSError *error;
sharp = [[CHHapticEventParameter alloc]
initWithParameterID:CHHapticEventParameterIDHapticSharpness
value:sharpness];
intense = [[CHHapticEventParameter alloc]
initWithParameterID:CHHapticEventParameterIDHapticIntensity
value:1.0f];
event = [[CHHapticEvent alloc]
initWithEventType:CHHapticEventTypeHapticContinuous
parameters:[NSArray arrayWithObjects:sharp, intense, nil]
relativeTime:0
duration:GCHapticDurationInfinite];
pattern = [[CHHapticPattern alloc]
initWithEvents:[NSArray arrayWithObject:event]
parameters:[[NSArray alloc] init]
error:&error];
if (error)
return nil;
id<CHHapticPatternPlayer> player = [deviceHapticEngine createPlayerWithPattern:pattern error:&error];
if (error)
return nil;
[player stopAtTime:0 error:&error];
return player;
}
static id<CHHapticPatternPlayer> apple_gamecontroller_device_haptics_strong_player() IPHONE_RUMBLE_AVAIL
{
if (!deviceStrongPlayer)
deviceStrongPlayer = apple_gamecontroller_device_haptics_create_player(1.0f);
return deviceStrongPlayer;
}
static id<CHHapticPatternPlayer> apple_gamecontroller_device_haptics_weak_player() IPHONE_RUMBLE_AVAIL
{
if (!deviceStrongPlayer)
deviceStrongPlayer = apple_gamecontroller_device_haptics_create_player(0.5f);
return deviceStrongPlayer;
}
#endif
void *apple_gamecontroller_joypad_init(void *data)
{
if (mfi_inited)
return (void*)-1;
#if TARGET_OS_IOS
if (!deviceFeedbackGenerator)
deviceFeedbackGenerator = [[UIImpactFeedbackGenerator alloc] init];
[deviceFeedbackGenerator prepare];
if (@available(iOS 14, *))
apple_gamecontroller_device_haptics_setup();
#endif
if (!apple_gamecontroller_available())
@ -603,10 +691,30 @@ static bool apple_gamecontroller_joypad_set_rumble(unsigned pad,
settings_t *settings = config_get_ptr();
bool enable_device_vibration = settings->bools.enable_device_vibration;
if (enable_device_vibration && pad == 0)
{
[deviceFeedbackGenerator impactOccurredWithIntensity:((float)strength)/65535.0f];
[deviceFeedbackGenerator prepare];
if (@available(iOS 14, *)) {
if (enable_device_vibration && pad == 0)
{
NSError *error;
id<CHHapticPatternPlayer> player = (type == RETRO_RUMBLE_STRONG ?
apple_gamecontroller_device_haptics_strong_player() :
apple_gamecontroller_device_haptics_weak_player());
if (player)
{
if (strength == 0)
[player stopAtTime:0 error:&error];
else
{
float str = (float)strength / 65535.0f;
CHHapticDynamicParameter *param = [[CHHapticDynamicParameter alloc]
initWithParameterID:CHHapticDynamicParameterIDHapticIntensityControl
value:str
relativeTime:0];
[player sendParameters:[NSArray arrayWithObject:param] atTime:0 error:&error];
if (!error)
[player startAtTime:0 error:&error];
}
}
}
}
#endif