JSActionAnalog.m

   1 //
   2 //  JSActionAnalog.m
   3 //  Enjoy
   4 //
   5 //  Created by Sam McCall on 5/05/09.
   6 //
   7
   8 @implementation JSActionAnalog
   9
  10 - (id) initWithIndex: (int)newIndex {
  11         if(self = [super init]) {
  12         subActions = @[[[SubAction alloc] initWithIndex: 0 name: @"Low" base: self],
  13                 [[SubAction alloc] initWithIndex: 1 name: @"High" base: self],
  14         [[SubAction alloc] initWithIndex: 2 name: @"Analog" base: self]];
  15         index = newIndex;
  16         name = [[NSString alloc] initWithFormat: @"Axis %d", (index+1)];
  17    }
  18         return self;
  19 }
  20
  21 -(id) findSubActionForValue: (IOHIDValueRef) value {
  22     if ([subActions[2] active]) {
  23         return subActions[2]; // TODO?
  24     }
  25
  26     //Target* target = [[base->configsController currentConfig] getTargetForAction: [subActions objectAtIndex: 0]];
  27
  28         int raw = IOHIDValueGetIntegerValue(value);
  29     double parsed = [self getRealValue: raw];
  30
  31         if(parsed < -0.3) // fixed?!
  32                 return subActions[0];
  33         else if(parsed > 0.3)
  34                 return subActions[1];
  35         return NULL;
  36 }
  37
  38 -(void) notifyEvent: (IOHIDValueRef) value {
  39     // Analog action is always active
  40     [subActions[2] setActive: true];
  41
  42         int raw = IOHIDValueGetIntegerValue(value);
  43     double parsed = [self getRealValue: raw];
  44
  45         [subActions[0] setActive: (parsed < -0.3)];
  46         [subActions[1] setActive: (parsed > 0.3)];
  47 }
  48
  49 -(double) getRealValue: (int)value {
  50         double parsed = offset + scale * value;
  51     return parsed;
  52 }
  53
  54 @synthesize offset, scale;
  55
  56
  57 @end