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backends/platform/sdl/amigaos/amigaos-main.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/scummsys.h"
+
+#if defined(__amigaos4__)
+
+#include "backends/fs/amigaos/amigaos-fs.h"
+#include "backends/platform/sdl/amigaos/amigaos.h"
+#include "backends/plugins/sdl/sdl-provider.h"
+#include "base/main.h"
+
+int main(int argc, char *argv[]) {
+
+	// Update support (AmiUpdate):
+	// This will save ScummVM's system application name and add it's binary
+	// path to a variable in the platforms native ENV(ARC) system.
+	const char *const appname = "ScummVM";
+
+	BPTR lock;
+	APTR reqwin;
+
+	// Obtain a lock to it's home directory.
+	if ((lock = IDOS->GetProgramDir())) {
+		TEXT progpath[2048];
+		TEXT apppath[1024] = "AppPaths";
+
+		if (IDOS->DevNameFromLock(lock,	progpath, sizeof(progpath),	DN_FULLPATH)) {
+			// Stop any "Please insert volume ..." type system requester.
+			reqwin = IDOS->SetProcWindow((APTR)-1);
+
+			// Set the AppPaths variable to the path the binary was run from.
+			IDOS->AddPart(apppath, appname, 1024);
+			IDOS->SetVar(apppath, progpath, -1, GVF_GLOBAL_ONLY|GVF_SAVE_VAR);
+
+			// Turn system requester back on.
+			IDOS->SetProcWindow(reqwin);
+		}
+	}
+
+	// Set a stack cookie to avoid crashes from a too low stack.
+	static const char *stack_cookie __attribute__((used)) = "$STACK: 4096000";
+
+	// Create our OSystem instance.
+	g_system = new OSystem_AmigaOS();
+	assert(g_system);
+
+	// Pre-initialize the backend.
+	g_system->init();
+
+#ifdef DYNAMIC_MODULES
+	PluginManager::instance().addPluginProvider(new SDLPluginProvider());
+#endif
+
+	// Invoke the actual ScummVM main entry point.
+	int res = scummvm_main(argc, argv);
+
+	// Free OSystem.
+	g_system->destroy();
+
+	return res;
+}
+
+#endif