X-Git-Url: https://git.yukkurigames.com/?p=enjoyable.git;a=blobdiff_plain;f=JSActionAnalog.m;h=9c98f21593c20c0bde263ff9148def7c2aff8a89;hp=a1c57e8533c2668737b265a9cc1902471ed939e5;hb=f563321aec9e13b8479ab3b890a9179f095a8b17;hpb=530009447c5bbd360ac5023979cffc6d32a28df3

diff --git a/JSActionAnalog.m b/JSActionAnalog.m
index a1c57e8..9c98f21 100644
--- a/JSActionAnalog.m
+++ b/JSActionAnalog.m
@@ -5,52 +5,49 @@
 //  Created by Sam McCall on 5/05/09.
 //
 
-@implementation JSActionAnalog
-
-- (id) initWithIndex: (int)newIndex {
-	if(self = [super init]) {
-	subActions = [NSArray arrayWithObjects:
-		[[SubAction alloc] initWithIndex: 0 name: @"Low" base: self],
-		[[SubAction alloc] initWithIndex: 1 name: @"High" base: self],
-        [[SubAction alloc] initWithIndex: 2 name: @"Analog" base: self],
-		nil
-	];
-		[subActions retain];
-	index = newIndex;
-	name = [[NSString alloc] initWithFormat: @"Axis %d", (index+1)];
-   }
-	return self;
+#define DEAD_ZONE 0.3
+
+#import "JSActionAnalog.h"
+
+static float normalize(long p, long min, long max) {
+    return 2 * (p - min) / (float)(max - min) - 1;
+}
+
+@implementation JSActionAnalog {
+    float magnitude;
+    long rawMin;
+    long rawMax;
 }
 
--(id) findSubActionForValue: (IOHIDValueRef) value {
-    if ([[subActions objectAtIndex: 2] active]) {
-        return [subActions objectAtIndex: 2]; // TODO?
+- (id)initWithIndex:(int)index rawMin:(long)rawMin_ rawMax:(long)rawMax_ {
+    if ((self = [super init])) {
+        self.name = [[NSString alloc] initWithFormat: @"Axis %d", index];
+        self.children = @[[[JSAction alloc] initWithName:@"Low" base:self],
+                          [[JSAction alloc] initWithName:@"High" base:self]];
+        rawMax = rawMax_;
+        rawMin = rawMin_;
     }
-    
-    //Target* target = [[base->configsController currentConfig] getTargetForAction: [subActions objectAtIndex: 0]];
-    
-	int raw = IOHIDValueGetIntegerValue(value);
-	double parsed = offset + scale * raw;
-	
-	if(parsed < -0.3) // fixed?!
-		return [subActions objectAtIndex: 0];
-	else if(parsed > 0.3)
-		return [subActions objectAtIndex: 1];
-	return NULL;
+    return self;
 }
 
--(void) notifyEvent: (IOHIDValueRef) value {
-    // Analog action is always active
-    [[subActions objectAtIndex: 2] setActive: true];
-    
-	int raw = IOHIDValueGetIntegerValue(value);
-	double parsed = offset + scale * raw;
-	
-	[[subActions objectAtIndex: 0] setActive: (parsed < -0.3)];
-	[[subActions objectAtIndex: 1] setActive: (parsed > 0.3)];
+- (id)findSubActionForValue:(IOHIDValueRef)value {
+    float mag = normalize(IOHIDValueGetIntegerValue(value), rawMin, rawMax);
+    if (mag < -DEAD_ZONE)
+        return self.children[0];
+    else if (mag > DEAD_ZONE)
+        return self.children[1];
+    else
+        return nil;
 }
 
-@synthesize offset, scale;
+- (void)notifyEvent:(IOHIDValueRef)value {
+    magnitude = normalize(IOHIDValueGetIntegerValue(value), rawMin, rawMax);
+    [self.children[0] setActive:magnitude < -DEAD_ZONE];
+    [self.children[1] setActive:magnitude > DEAD_ZONE];
+}
 
+- (float)magnitude {
+    return magnitude;
+}
 
 @end