implement SonarPen

PanoPainter/AppDelegate.h

@@ -15,6 +15,7 @@
 - (BOOL)application:(UIApplication *)app
             openURL:(NSURL *)url
             options:(NSDictionary<UIApplicationOpenURLOptionsKey, id> *)options;
+- (float)sonarpen_pressure;
 
 @end
 

PanoPainter/AppDelegate.m

@@ -9,6 +9,7 @@
 #import "AppDelegate.h"
 #import "GameViewController.h"
 #include "app.h"
+#include <WTSonarPenDriver.h>
 
 void global_exception_handler(NSException* e)
 {
@@ -28,6 +29,7 @@ void global_signal_handler(int e)
 
 @interface AppDelegate () {
     GameViewController* view;
+    WTSonarPenDriver* sonarpen_driver;
 }
 
 @end
@@ -40,9 +42,38 @@ void global_signal_handler(int e)
     return true;
 }
 
+- (float)sonarpen_pressure
+{
+    return [sonarpen_driver isPenAttached] ? [sonarpen_driver pressure] : 1.f;
+}
+
+- (void)penStatusChanged
+{
+    switch (sonarpen_driver.state) {
+        case WTSonarPenDriverStateInit:
+            NSLog(@"Status: Initializing"); break;
+        case WTSonarPenDriverStateRunning:
+            NSLog(@"Status: Running"); break;
+        case WTSonarPenDriverStateCalibrating:
+            NSLog(@"Status: Calibrating"); break;
+        case WTSonarPenDriverStateNotSonarPen:
+            NSLog(@"Status: Not a Sonar Pen"); break;
+        case WTSonarPenDriverStateCalibratingMax:
+            NSLog(@"Status: Calibrating Max Value"); break;
+        case WTSonarPenDriverStateWaitingForPermission:
+            NSLog(@"Status: Wait for Permission"); break;
+        case WTSonarPenDriverStateNoMicrophonePermission:
+            NSLog(@"Status: No Microphone Permission"); break;
+    }
+}
+
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     // Override point for customization after application launch.
     NSSetUncaughtExceptionHandler(&global_exception_handler);
+    sonarpen_driver = [[WTSonarPenDriver alloc] initWithApplication:application];
+    [sonarpen_driver start];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(penStatusChanged) name:WTSonarPenDriverStateChangedNotification object:nil];
+
     view = (GameViewController*)self.window.rootViewController;
     return YES;
 }

PanoPainter/GameViewController.h

@@ -8,6 +8,7 @@
 
 #import <UIKit/UIKit.h>
 #import <GLKit/GLKit.h>
+#import "AppDelegate.h"
 
 @interface GameViewController : GLKViewController <UIKeyInput,UIImagePickerControllerDelegate,UINavigationControllerDelegate>
 {

PanoPainter/GameViewController.m

@@ -276,6 +276,8 @@ std::set<UITouch*> ignored_touch;
         UITouch *touch = valid_touches[0];
         CGPoint touchLocation = [touch locationInView:self.view];
         float force = touch.type == UITouchType::UITouchTypeStylus ? touch.force : 1.0f;
+        AppDelegate* app = (AppDelegate*)[[UIApplication sharedApplication] delegate];
+        force = [app sonarpen_pressure];
         if (t_count == 2)
         {
             //App::I.gesture_end();

PanoPainter/Info.plist

@@ -41,6 +41,8 @@
 	<true/>
 	<key>NSPhotoLibraryUsageDescription</key>
 	<string>Export the panoramic to the gallery</string>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>Use the audio jack for the SonarPen</string>
 	<key>UIFileSharingEnabled</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>