X-Git-Url: https://git.yukkurigames.com/?p=enjoyable.git;a=blobdiff_plain;f=JSActionHat.m;fp=JSActionHat.m;h=1ea30af7284dd297e931ed684073894c8dd5839f;hp=0000000000000000000000000000000000000000;hb=530009447c5bbd360ac5023979cffc6d32a28df3;hpb=5f07baa8cb03a2f6aa06338bfeb31dad3c3ca29f

diff --git a/JSActionHat.m b/JSActionHat.m
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--- /dev/null
+++ b/JSActionHat.m
@@ -0,0 +1,94 @@
+//
+//  JSActionHat.m
+//  Enjoy
+//
+//  Created by Sam McCall on 5/05/09.
+//
+
+static BOOL active_eightway[36] = {
+NO,  NO,  NO,  NO , // center
+YES, NO,  NO,  NO , // N
+YES, NO,  NO,  YES, // NE
+NO,  NO,  NO,  YES, // E
+NO,  YES, NO,  YES, // SE
+NO,  YES, NO,  NO , // S
+NO,  YES, YES, NO , // SW
+NO,  NO,  YES, NO , // W
+YES, NO,  YES, NO , // NW
+};
+static BOOL active_fourway[20] = {
+NO,  NO,  NO,  NO , // center
+YES, NO,  NO,  NO , // N
+NO,  NO,  NO,  YES, // E
+NO,  YES, NO,  NO , // S
+NO,  NO,  YES, NO , // W
+};
+
+@implementation JSActionHat
+
+- (id) init {
+	if(self = [super init]) {
+		subActions = [NSArray arrayWithObjects:
+					  [[SubAction alloc] initWithIndex: 0 name: @"Up" base: self],
+					  [[SubAction alloc] initWithIndex: 1 name: @"Down" base: self],
+					  [[SubAction alloc] initWithIndex: 2 name: @"Left" base: self],
+					  [[SubAction alloc] initWithIndex: 3 name: @"Right" base: self],
+					  nil
+					  ];
+		[subActions retain];
+		name = @"Hat switch";
+	}
+	return self;
+}
+
+-(id) findSubActionForValue: (IOHIDValueRef) value {
+	int parsed = IOHIDValueGetIntegerValue(value);
+	if(IOHIDElementGetLogicalMax(IOHIDValueGetElement(value)) == 7) {
+		// 8-way
+		switch(parsed) {
+			case 0: return [subActions objectAtIndex: 0];
+			case 4: return [subActions objectAtIndex: 1];
+			case 6: return [subActions objectAtIndex: 2];
+			case 2: return [subActions objectAtIndex: 3];
+		}
+	} else 	if(IOHIDElementGetLogicalMax(IOHIDValueGetElement(value)) == 8) {
+		// 8-way
+		switch(parsed) {
+			case 1: return [subActions objectAtIndex: 0];
+			case 5: return [subActions objectAtIndex: 1];
+			case 7: return [subActions objectAtIndex: 2];
+			case 3: return [subActions objectAtIndex: 3];
+		}
+	} else if(IOHIDElementGetLogicalMax(IOHIDValueGetElement(value)) == 3) {
+			// 4-way
+		switch(parsed) {
+			case 0: return [subActions objectAtIndex: 0];
+			case 2: return [subActions objectAtIndex: 1];
+			case 3: return [subActions objectAtIndex: 2];
+			case 1: return [subActions objectAtIndex: 3];
+		}
+	} else if(IOHIDElementGetLogicalMax(IOHIDValueGetElement(value)) == 4) {
+		// 4-way
+		switch(parsed) {
+			case 1: return [subActions objectAtIndex: 0];
+			case 3: return [subActions objectAtIndex: 1];
+			case 4: return [subActions objectAtIndex: 2];
+			case 2: return [subActions objectAtIndex: 3];
+		}
+	}
+	return NULL;
+}
+
+-(void) notifyEvent: (IOHIDValueRef) value {
+	int parsed = IOHIDValueGetIntegerValue(value);
+	int size = IOHIDElementGetLogicalMax(IOHIDValueGetElement(value));
+	if(size == 7 || size == 3) {
+		parsed++;
+		size++;
+	}
+	BOOL* activeSubactions = (size == 8) ? active_eightway : active_fourway;
+	for(int i=0; i<4; i++)
+		[[subActions objectAtIndex: i] setActive: activeSubactions[parsed * 4 + i]];
+}
+
+@end