Added platform-specific DLL references in Unity integration. Updated Unity3D_iOS integration project

integrations/Apple/ZeroTierSDK_Apple/ZeroTierSDK_Apple.xcodeproj/project.pbxproj

@@ -1382,8 +1382,18 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				COMBINE_HIDPI_IMAGES = YES;
+				HEADER_SEARCH_PATHS = (
+					"$(SRCROOT)/../../../zerotierone",
+					"$(SRCROOT)/../../../ext/lwip/src/include/",
+					"$(SRCROOT)/../../../ext/lwip/src/include/ipv4/",
+				);
 				INFOPLIST_FILE = ZeroTierSDK_Unity3D_iOS/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Bundles";
+				OTHER_CFLAGS = (
+					"-D__UNITY_3D__",
+					"-DZT_SDK",
+					"-DZT_SDK_DEBUG",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = "zerotier.ZeroTierSDK-Unity3D-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
@@ -1396,8 +1406,18 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				COMBINE_HIDPI_IMAGES = YES;
+				HEADER_SEARCH_PATHS = (
+					"$(SRCROOT)/../../../zerotierone",
+					"$(SRCROOT)/../../../ext/lwip/src/include/",
+					"$(SRCROOT)/../../../ext/lwip/src/include/ipv4/",
+				);
 				INFOPLIST_FILE = ZeroTierSDK_Unity3D_iOS/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Bundles";
+				OTHER_CFLAGS = (
+					"-D__UNITY_3D__",
+					"-DZT_SDK",
+					"-DZT_SDK_DEBUG",
+				);
 				PRODUCT_BUNDLE_IDENTIFIER = "zerotier.ZeroTierSDK-Unity3D-iOS";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
@@ -1586,6 +1606,7 @@
 				7CC0031D1D1216B0003E68DC /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		7CC003281D1216E3003E68DC /* Build configuration list for PBXNativeTarget "ZeroTierSDK_iOS" */ = {
 			isa = XCConfigurationList;
@@ -1594,6 +1615,7 @@
 				7CC0032A1D1216E3003E68DC /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		7CC003351D1216F8003E68DC /* Build configuration list for PBXNativeTarget "ZeroTierSDK_OSX" */ = {
 			isa = XCConfigurationList;
@@ -1602,6 +1624,7 @@
 				7CC003371D1216F8003E68DC /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		7CC0033F1D121742003E68DC /* Build configuration list for PBXNativeTarget "ZeroTierSDK_Unity3D_OSX" */ = {
 			isa = XCConfigurationList;
@@ -1610,6 +1633,7 @@
 				7CC003411D121742003E68DC /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};

integrations/Unity3D/Assets/ZeroTier.cs

@@ -38,9 +38,32 @@ using System.Net;
 
 using System.IO;
 
-
 public class ZeroTierNetworkInterface {
 
+	// Apple
+	#if UNITY_STANDALONE_OSX || UNITY_EDITOR_OSX
+	const string DLL_PATH = "ZeroTierSDK_Unity3D_OSX";
+	#endif
+
+	#if UNITY_IOS || UNITY_IPHONE
+	const string DLL_PATH = "ZeroTierSDK_Unity3D_iOS";
+	#endif
+
+	// Windows
+	#if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN
+	const string DLL_PATH = "ZeroTierSDK_Unity3D_WIN";
+	#endif
+
+	// Linux
+	#if UNITY_STANDALONE_LINUX
+	const string DLL_PATH = "ZeroTierSDK_Unity3D_LINUX";
+	#endif
+
+	// Android
+	#if UNITY_ANDROID
+	const string DLL_PATH = "ZeroTierSDK_Unity3D_ANDROID";
+	#endif 
+
 	// ZeroTier background thread
 	private Thread ztThread;
 
@@ -66,44 +89,43 @@ public class ZeroTierNetworkInterface {
 	}
 
 	// ZeroTier service / debug initialization
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	public static extern void SetDebugFunction( IntPtr fp );
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern int unity_start_service(string path);
 
 	// Connection calls
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern int zt_socket(int family, int type, int protocol);
 
-
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	unsafe private static extern int zt_bind(int sockfd, System.IntPtr addr, int addrlen);
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	unsafe private static extern int zt_connect(int sockfd, System.IntPtr addr, int addrlen);
 
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern int zt_accept(int sockfd);
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern int zt_listen(int sockfd, int backlog);
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern int zt_close(int sockfd);
 
 	// RX / TX
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	unsafe private static extern int zt_recv(int sockfd, System.IntPtr buf, int len);
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	unsafe private static extern int zt_send(int sockfd, System.IntPtr buf, int len);
 
 	// ZT Thread controls
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern bool zt_is_running();
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern void zt_terminate();
 
 	// ZT Network controls
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern bool zt_join_network(string nwid);
-	[DllImport ("ZeroTierSDK_Unity3D_OSX")]
+	[DllImport (DLL_PATH)]
 	private static extern void zt_leave_network(string nwid);
 
 	// Thread which starts the ZeroTier service