GPH: Cleanup GPH backend and adapt to newer modular backend model.

1 files changed, 211 insertions, 0 deletions

diff --git a/backends/platform/gph/gph-backend.cpp b/backends/platform/gph/gph-backend.cpp
new file mode 100644
index 0000000000..0432974246
--- /dev/null
+++ b/backends/platform/gph/gph-backend.cpp
@@ -0,0 +1,211 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+// Disable symbol overrides so that we can use system headers.
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/platform/sdl/sdl-sys.h"
+
+// #include "backends/platform/gph/gph-options.h"
+#include "backends/platform/gph/gph-sdl.h"
+#include "backends/platform/gph/gph-hw.h"
+#include "backends/plugins/posix/posix-provider.h"
+#include "base/main.h"
+
+#include "common/archive.h"
+#include "common/config-manager.h"
+#include "common/debug.h"
+#include "common/events.h"
+#include "common/util.h"
+
+#include "common/file.h"
+#include "base/main.h"
+
+#include "backends/saves/default/default-saves.h"
+
+#include "backends/timer/default/default-timer.h"
+#include "audio/mixer_intern.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <time.h>	// for getTimeAndDate()
+
+/* Dump console info to files. */
+#define DUMP_STDOUT
+
+void OSystem_GPH::initBackend() {
+
+	// Create the events manager
+	if (_eventSource == 0)
+		_eventSource = new GPHEventSource();
+
+	// Create the graphics manager
+	if (_graphicsManager == 0) {
+		_graphicsManager = new GPHGraphicsManager(_eventSource);
+	}
+
+	/* Setup default save path to be workingdir/saves */
+
+	char savePath[PATH_MAX+1];
+	char workDirName[PATH_MAX+1];
+
+	if (getcwd(workDirName, PATH_MAX) == NULL) {
+		error("Could not obtain current working directory");
+	} else {
+		printf("Current working directory: %s\n", workDirName);
+	}
+
+	strcpy(savePath, workDirName);
+	strcat(savePath, "/saves");
+	printf("Current save directory: %s\n", savePath);
+	struct stat sb;
+	if (stat(savePath, &sb) == -1)
+		if (errno == ENOENT) // Create the dir if it does not exist
+			if (mkdir(savePath, 0755) != 0)
+				warning("mkdir for '%s' failed!", savePath);
+
+	_savefileManager = new DefaultSaveFileManager(savePath);
+
+	#ifdef DUMP_STDOUT
+		// The GP2X Wiz has a serial console on the breakout board but most users do not use this so we
+		// output all our STDOUT and STDERR to files for debug purposes.
+		char STDOUT_FILE[PATH_MAX+1];
+		char STDERR_FILE[PATH_MAX+1];
+
+		strcpy(STDOUT_FILE, workDirName);
+		strcpy(STDERR_FILE, workDirName);
+		strcat(STDOUT_FILE, "/scummvm.stdout.txt");
+		strcat(STDERR_FILE, "/scummvm.stderr.txt");
+
+		// Flush the output in case anything is queued
+		fclose(stdout);
+		fclose(stderr);
+
+		// Redirect standard input and standard output
+		FILE *newfp = freopen(STDOUT_FILE, "w", stdout);
+		if (newfp == NULL) {
+		#if !defined(stdout)
+			stdout = fopen(STDOUT_FILE, "w");
+		#else
+			newfp = fopen(STDOUT_FILE, "w");
+			if (newfp) {
+				*stdout = *newfp;
+			}
+		#endif
+		}
+
+		newfp = freopen(STDERR_FILE, "w", stderr);
+		if (newfp == NULL) {
+		#if !defined(stderr)
+			stderr = fopen(STDERR_FILE, "w");
+		#else
+			newfp = fopen(STDERR_FILE, "w");
+			if (newfp) {
+				*stderr = *newfp;
+			}
+		#endif
+		}
+
+		setbuf(stderr, NULL);
+		printf("%s\n", "Debug: STDOUT and STDERR redirected to text files.");
+	#endif /* DUMP_STDOUT */
+
+	/* Initialise any GP2X Wiz specific stuff we may want (Batt Status, scaler etc.) */
+	WIZ_HW::deviceInit();
+
+	/* Set Default hardware mixer volume to a preset level (VOLUME_INITIAL). This is done to 'reset' volume level if set by other apps. */
+	WIZ_HW::mixerMoveVolume(0);
+
+	/* Up default volume values as we use a seperate system level volume anyway. */
+	ConfMan.registerDefault("music_volume", 192);
+	ConfMan.registerDefault("sfx_volume", 192);
+	ConfMan.registerDefault("speech_volume", 192);
+
+	/* Trigger autosave every 4 minutes - On low batts 5 mins is about your warning time. */
+	ConfMan.registerDefault("autosave_period", 4 * 60);
+
+	/* Make sure that aspect ratio correction is enabled on the 1st run to stop users asking me what the 'wasted space' is ;-). */
+	ConfMan.registerDefault("aspect_ratio", true);
+
+	/* Make sure SDL knows that we have a joystick we want to use. */
+	ConfMan.setInt("joystick_num", 0);
+
+	/* Now setup any device specific user options (Left handed mode, that sort of thing). */
+	// GPH::setOptions();
+
+	printf("%s\n", "Passing to OSystem::SDL initBackend.");
+
+	/* Pass to POSIX method to do the heavy lifting */
+	OSystem_POSIX::initBackend();
+}
+
+void OSystem_GPH::addSysArchivesToSearchSet(Common::SearchSet &s, int priority) {
+
+	/* Setup default extra data paths for engine data files and plugins */
+	char workDirName[PATH_MAX+1];
+
+	if (getcwd(workDirName, PATH_MAX) == NULL) {
+		error("Error: Could not obtain current working directory");
+	}
+
+	Common::FSNode workdirNode(workDirName);
+	if (workdirNode.exists() && workdirNode.isDirectory()) {
+		s.add("__GP2XWIZ_WORKDIR__", new Common::FSDirectory(workDirName), priority);
+	}
+
+	char enginedataPath[PATH_MAX+1];
+
+	strcpy(enginedataPath, workDirName);
+	strcat(enginedataPath, "/engine-data");
+
+	Common::FSNode engineNode(enginedataPath);
+	if (engineNode.exists() && engineNode.isDirectory()) {
+		s.add("__GP2XWIZ_ENGDATA__", new Common::FSDirectory(enginedataPath), priority);
+	}
+
+	char pluginsPath[PATH_MAX+1];
+
+	strcpy(pluginsPath, workDirName);
+	strcat(pluginsPath, "/plugins");
+
+	Common::FSNode pluginsNode(pluginsPath);
+	if (pluginsNode.exists() && pluginsNode.isDirectory()) {
+		s.add("__GP2XWIZ_PLUGINS__", new Common::FSDirectory(pluginsPath), priority);
+	}
+}
+
+void OSystem_GPH::quit() {
+
+	WIZ_HW::deviceDeinit();
+
+	#ifdef DUMP_STDOUT
+		printf("%s\n", "Debug: STDOUT and STDERR text files closed.");
+		fclose(stdout);
+		fclose(stderr);
+	#endif /* DUMP_STDOUT */
+
+	OSystem_SDL::quit();
+}