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                 [subActions retain];
  16         index = newIndex;
  17         name = [[NSString alloc] initWithFormat: @"Axis %d", (index+1)];
  18    }
  19         return self;
  20 }
  21
  22 -(id) findSubActionForValue: (IOHIDValueRef) value {
  23     if ([subActions[2] active]) {
  24         return subActions[2]; // TODO?
  25     }
  26
  27     //Target* target = [[base->configsController currentConfig] getTargetForAction: [subActions objectAtIndex: 0]];
  28
  29         int raw = IOHIDValueGetIntegerValue(value);
  30     double parsed = [self getRealValue: raw];
  31
  32         if(parsed < -0.3) // fixed?!
  33                 return subActions[0];
  34         else if(parsed > 0.3)
  35                 return subActions[1];
  36         return NULL;
  37 }
  38
  39 -(void) notifyEvent: (IOHIDValueRef) value {
  40     // Analog action is always active
  41     [subActions[2] setActive: true];
  42
  43         int raw = IOHIDValueGetIntegerValue(value);
  44     double parsed = [self getRealValue: raw];
  45
  46         [subActions[0] setActive: (parsed < -0.3)];
  47         [subActions[1] setActive: (parsed > 0.3)];
  48 }
  49
  50 -(double) getRealValue: (int)value {
  51         double parsed = offset + scale * value;
  52     return parsed;
  53 }
  54
  55 @synthesize offset, scale;
  56
  57
  58 @end