Codechange: [OSX] Re-arrange the OSX video driver code by combining all drawing code and moving the window/event handling to a different file.

This is just a code move/rename, not a functionality change.

src/os/macosx/macos.mm

@@ -12,7 +12,9 @@
 #include "../../rev.h"
 #include "macos.h"
 #include "../../string_func.h"
+#include "../../fileio_func.h"
 #include <pthread.h>
+#include <array>
 
 #define Rect  OTTDRect
 #define Point OTTDPoint
@@ -40,6 +42,10 @@ typedef struct {
 #define NSOperatingSystemVersion OTTDOperatingSystemVersion
 #endif
 
+#ifdef WITH_COCOA
+static NSAutoreleasePool *_ottd_autorelease_pool;
+#endif
+
 /**
  * Get the version of the MacOS we are running under. Code adopted
  * from http://www.cocoadev.com/index.pl?DeterminingOSVersion
@@ -191,6 +197,45 @@ bool GetClipboardContents(char *buffer, const char *last)
 
 	return true;
 }
+
+/** Set the application's bundle directory.
+ *
+ * This is needed since OS X application bundles do not have a
+ * current directory and the data files are 'somewhere' in the bundle.
+ */
+void CocoaSetApplicationBundleDir()
+{
+	extern std::array<std::string, NUM_SEARCHPATHS> _searchpaths;
+
+	char tmp[MAXPATHLEN];
+	CFAutoRelease<CFURLRef> url(CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle()));
+	if (CFURLGetFileSystemRepresentation(url.get(), true, (unsigned char *)tmp, MAXPATHLEN)) {
+		_searchpaths[SP_APPLICATION_BUNDLE_DIR] = tmp;
+		AppendPathSeparator(_searchpaths[SP_APPLICATION_BUNDLE_DIR]);
+	} else {
+		_searchpaths[SP_APPLICATION_BUNDLE_DIR].clear();
+	}
+}
+
+/**
+ * Setup autorelease for the application pool.
+ *
+ * These are called from main() to prevent a _NSAutoreleaseNoPool error when
+ * exiting before the cocoa video driver has been loaded
+ */
+void CocoaSetupAutoreleasePool()
+{
+	_ottd_autorelease_pool = [ [ NSAutoreleasePool alloc ] init ];
+}
+
+/**
+ * Autorelease the application pool.
+ */
+void CocoaReleaseAutoreleasePool()
+{
+	[ _ottd_autorelease_pool release ];
+}
+
 #endif
 
 /**