use game controller api for input

1 files changed, 44 insertions, 0 deletions

diff --git a/app/mac/controller-adapter-keyboard.mm b/app/mac/controller-adapter-keyboard.mm
new file mode 100644
index 0000000..ad3dda8
--- /dev/null
+++ b/app/mac/controller-adapter-keyboard.mm
@@ -0,0 +1,44 @@
+#import "controller-adapter-keyboard.hh"
+
+@implementation ControllerAdapterKeyboard
+
+- (instancetype)init
+{
+	self = [super init];
+	if (self)
+	{
+		[[NSNotificationCenter defaultCenter] addObserver:self
+												 selector:@selector(handleKeyboardConnected:)
+													 name:GCKeyboardDidConnectNotification
+												   object:nil];
+	}
+	return self;
+}
+
+- (void)dealloc
+{
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)handleKeyboardConnected:(NSNotification*)notification
+{
+	_keyboard = [GCKeyboard coalescedKeyboard];
+}
+
+- (nes::button_mask)readPressedButtons
+{
+	auto profile = [[self keyboard] keyboardInput];
+
+	auto res = nes::button_mask{};
+	if ([[profile buttonForKeyCode:GCKeyCodeUpArrow] isPressed]) { res.add(nes::buttons::up); }
+	if ([[profile buttonForKeyCode:GCKeyCodeDownArrow] isPressed]) { res.add(nes::buttons::down); }
+	if ([[profile buttonForKeyCode:GCKeyCodeLeftArrow] isPressed]) { res.add(nes::buttons::left); }
+	if ([[profile buttonForKeyCode:GCKeyCodeRightArrow] isPressed]) { res.add(nes::buttons::right); }
+	if ([[profile buttonForKeyCode:GCKeyCodeKeyZ] isPressed]) { res.add(nes::buttons::a); }
+	if ([[profile buttonForKeyCode:GCKeyCodeKeyX] isPressed]) { res.add(nes::buttons::b); }
+	if ([[profile buttonForKeyCode:GCKeyCodeReturnOrEnter] isPressed]) { res.add(nes::buttons::start); }
+	if ([[profile buttonForKeyCode:GCKeyCodeSpacebar] isPressed]) { res.add(nes::buttons::select); }
+	return res;
+}
+
+@end
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