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authorDavid-John Willis2011-03-08 20:38:56 +0000
committerDavid-John Willis2011-03-24 21:24:05 +0000
commitb95013dfe25d75d39c7deb69ee1a63f93a4a495f (patch)
treeaca9302c32044c3b4f9a416f5f840b18c6e474b9 /backends/platform/openpandora/op-backend.cpp
parent0fb15847c6c195945b186aad9cc29dead154078a (diff)
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OPENPANDORA: Refactor OpenPandora backend and move events and graphics into modular backend style.
Diffstat (limited to 'backends/platform/openpandora/op-backend.cpp')
-rw-r--r--backends/platform/openpandora/op-backend.cpp273
1 files changed, 273 insertions, 0 deletions
diff --git a/backends/platform/openpandora/op-backend.cpp b/backends/platform/openpandora/op-backend.cpp
new file mode 100644
index 0000000000..5b333929c9
--- /dev/null
+++ b/backends/platform/openpandora/op-backend.cpp
@@ -0,0 +1,273 @@
+/* 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/openpandora/op-sdl.h"
+#include "base/main.h"
+
+#include "backends/saves/default/default-saves.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
+
+static SDL_Cursor *hiddenCursor;
+
+static Uint32 timer_handler(Uint32 interval, void *param) {
+ ((DefaultTimerManager *)param)->handler();
+ return interval;
+}
+
+void OSystem_OP::initBackend() {
+
+ assert(!_inited);
+
+// int joystick_num = ConfMan.getInt("joystick_num");
+// uint32 sdlFlags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
+//
+// if (ConfMan.hasKey("disable_sdl_parachute"))
+// sdlFlags |= SDL_INIT_NOPARACHUTE;
+//
+// if (joystick_num > -1)
+// sdlFlags |= SDL_INIT_JOYSTICK;
+//
+// if (SDL_Init(sdlFlags) == -1) {
+// error("Could not initialize SDL: %s", SDL_GetError());
+// }
+//
+
+ /* 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 OpenPandora has a serial console on the EXT connection 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 */
+
+ /* Trigger autosave every 4 minutes. */
+ ConfMan.registerDefault("autosave_period", 4 * 60);
+
+ ConfMan.registerDefault("fullscreen", true);
+
+ /* Make sure that aspect ratio correction is enabled on the 1st run to stop
+ users asking me what the 'wasted space' at the bottom is ;-). */
+ ConfMan.registerDefault("aspect_ratio", true);
+
+ /* Make sure SDL knows that we have a joystick we want to use. */
+ ConfMan.setInt("joystick_num", 0);
+
+ // Create the events manager
+ if (_eventSource == 0)
+ _eventSource = new OPEventSource();
+
+ // Create the graphics manager
+ if (_graphicsManager == 0)
+ _graphicsManager = new OPGraphicsManager(_eventSource);
+
+// _graphicsMutex = createMutex();
+
+ // Invoke parent implementation of this method
+ OSystem_POSIX::initBackend();
+
+ _inited = true;
+}
+
+
+
+ // enable joystick
+// if (joystick_num > -1 && SDL_NumJoysticks() > 0) {
+// printf("Using joystick: %s\n", SDL_JoystickName(0));
+// _joystick = SDL_JoystickOpen(joystick_num);
+// }
+//
+// setupMixer();
+
+ // Note: We could implement a custom SDLTimerManager by using
+ // SDL_AddTimer. That might yield better timer resolution, but it would
+ // also change the semantics of a timer: Right now, ScummVM timers
+ // *never* run in parallel, due to the way they are implemented. If we
+ // switched to SDL_AddTimer, each timer might run in a separate thread.
+ // However, not all our code is prepared for that, so we can't just
+ // switch. Still, it's a potential future change to keep in mind.
+// _timer = new DefaultTimerManager();
+// _timerID = SDL_AddTimer(10, &timer_handler, _timer);
+
+void OSystem_OP::initSDL() {
+ // Check if SDL has not been initialized
+ if (!_initedSDL) {
+
+ uint32 sdlFlags = SDL_INIT_EVENTTHREAD;
+ if (ConfMan.hasKey("disable_sdl_parachute"))
+ sdlFlags |= SDL_INIT_NOPARACHUTE;
+
+ // Initialize SDL (SDL Subsystems are initiliazed in the corresponding sdl managers)
+ if (SDL_Init(sdlFlags) == -1)
+ error("Could not initialize SDL: %s", SDL_GetError());
+
+ uint8_t hiddenCursorData = 0;
+
+ hiddenCursor = SDL_CreateCursor(&hiddenCursorData, &hiddenCursorData, 8, 1, 0, 0);
+
+ /* On the OpenPandora we need to work around an SDL assumption that
+ returns relative mouse coordinates when you get to the screen
+ edges using the touchscreen. The workaround is to set a blank
+ SDL cursor and not disable it (Hackish I know).
+
+ The root issues likes in the Windows Manager GRAB code in SDL.
+ That is why the issue is not seen on framebuffer devices like the
+ GP2X (there is no X window manager ;)).
+ */
+ SDL_ShowCursor(SDL_ENABLE);
+ SDL_SetCursor(hiddenCursor);
+ SDL_EnableUNICODE(1);
+
+// memset(&_oldVideoMode, 0, sizeof(_oldVideoMode));
+// memset(&_videoMode, 0, sizeof(_videoMode));
+// memset(&_transactionDetails, 0, sizeof(_transactionDetails));
+
+// _videoMode.mode = GFX_DOUBLESIZE;
+// _videoMode.scaleFactor = 2;
+// _videoMode.aspectRatioCorrection = ConfMan.getBool("aspect_ratio");
+// _scalerProc = Normal2x;
+// _scalerType = 0;
+
+// _videoMode.fullscreen = true;
+
+ _initedSDL = true;
+ }
+}
+
+void OSystem_OP::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.");
+ }
+
+ char enginedataPath[PATH_MAX+1];
+
+ strcpy(enginedataPath, workDirName);
+ strcat(enginedataPath, "/../data");
+ printf("Default engine data directory: %s\n", enginedataPath);
+
+ Common::FSNode engineNode(enginedataPath);
+ if (engineNode.exists() && engineNode.isDirectory()) {
+ s.add("__OP_ENGDATA__", new Common::FSDirectory(enginedataPath), priority);
+ }
+}
+
+void OSystem_OP::quit() {
+
+ SDL_FreeCursor(hiddenCursor);
+
+ #ifdef DUMP_STDOUT
+ printf("%s\n", "Debug: STDOUT and STDERR text files closed.");
+ fclose(stdout);
+ fclose(stderr);
+ #endif /* DUMP_STDOUT */
+
+ OSystem_POSIX::quit();
+}