Update Lighting to build on macOS

Prior to this commit Lighting was a iOS app. This commit changes
that by updating the code to work as a macOS application using
NSView and respective function calls.

objc/05-Lighting/Lighting.xcodeproj/project.pbxproj

@@ -12,7 +12,6 @@
 		839E18981BE31CDA00944528 /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 839E18971BE31CDA00944528 /* ViewController.m */; };
 		839E189B1BE31CDA00944528 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 839E18991BE31CDA00944528 /* Main.storyboard */; };
 		839E189D1BE31CDA00944528 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 839E189C1BE31CDA00944528 /* Assets.xcassets */; };
-		839E18A01BE31CDA00944528 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 839E189E1BE31CDA00944528 /* LaunchScreen.storyboard */; };
 		839E18AD1BE31D6100944528 /* MBEMathUtilities.m in Sources */ = {isa = PBXBuildFile; fileRef = 839E18A81BE31D6100944528 /* MBEMathUtilities.m */; };
 		839E18AE1BE31D6100944528 /* MBEMetalView.m in Sources */ = {isa = PBXBuildFile; fileRef = 839E18AA1BE31D6100944528 /* MBEMetalView.m */; };
 		839E18AF1BE31D6100944528 /* MBERenderer.m in Sources */ = {isa = PBXBuildFile; fileRef = 839E18AC1BE31D6100944528 /* MBERenderer.m */; };
@@ -196,7 +195,7 @@
 		839E18851BE31CDA00944528 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0900;
+				LastUpgradeCheck = 1130;
 				ORGANIZATIONNAME = "Metal by Example";
 				TargetAttributes = {
 					839E188C1BE31CDA00944528 = {
@@ -206,7 +205,7 @@
 			};
 			buildConfigurationList = 839E18881BE31CDA00944528 /* Build configuration list for PBXProject "Lighting" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
@@ -228,7 +227,6 @@
 			buildActionMask = 2147483647;
 			files = (
 				839E18BD1BE31EC300944528 /* teapot.obj in Resources */,
-				839E18A01BE31CDA00944528 /* LaunchScreen.storyboard in Resources */,
 				839E189D1BE31CDA00944528 /* Assets.xcassets in Resources */,
 				839E189B1BE31CDA00944528 /* Main.storyboard in Resources */,
 			);
@@ -266,48 +264,46 @@
 			name = Main.storyboard;
 			sourceTree = "<group>";
 		};
-		839E189E1BE31CDA00944528 /* LaunchScreen.storyboard */ = {
-			isa = PBXVariantGroup;
-			children = (
-				839E189F1BE31CDA00944528 /* Base */,
-			);
-			name = LaunchScreen.storyboard;
-			sourceTree = "<group>";
-		};
 /* End PBXVariantGroup section */
 
 /* Begin XCBuildConfiguration section */
 		839E18A21BE31CDA00944528 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
-				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -321,66 +317,73 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.1;
-				MTL_ENABLE_DEBUG_INFO = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
-				SDKROOT = iphoneos;
-				TARGETED_DEVICE_FAMILY = "1,2";
+				SDKROOT = macosx;
 			};
 			name = Debug;
 		};
 		839E18A31BE31CDA00944528 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
 				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
 				CLANG_WARN_EMPTY_BODY = YES;
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
-				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
-				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 9.1;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = NO;
-				SDKROOT = iphoneos;
-				TARGETED_DEVICE_FAMILY = "1,2";
-				VALIDATE_PRODUCT = YES;
+				MTL_FAST_MATH = YES;
+				SDKROOT = macosx;
 			};
 			name = Release;
 		};
 		839E18A51BE31CDA00944528 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "-";
+				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = Lighting/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.metalbyexample.Lighting;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
@@ -390,8 +393,10 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CODE_SIGN_IDENTITY = "-";
+				COMBINE_HIDPI_IMAGES = YES;
 				INFOPLIST_FILE = Lighting/Info.plist;
-				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
+				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.metalbyexample.Lighting;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};

objc/05-Lighting/Lighting.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

objc/05-Lighting/Lighting/AppDelegate.h

@@ -1,7 +1,5 @@
-@import UIKit;
+#import <Cocoa/Cocoa.h>
 
-@interface AppDelegate : UIResponder <UIApplicationDelegate>
-
-@property (strong, nonatomic) UIWindow *window;
+@interface AppDelegate : NSObject <NSApplicationDelegate>
 
 @end

objc/05-Lighting/Lighting/AppDelegate.m

@@ -2,8 +2,14 @@
 
 @implementation AppDelegate
 
-- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
-    return YES;
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
+    // Initialization is in default view
 }
 
+
+- (void)applicationWillTerminate:(NSNotification *)aNotification {
+    // Nothing to tear down in application
+}
+
+
 @end

objc/05-Lighting/Lighting/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}