ScummVM Headers were missing

svn-id: r10381

1 files changed, 227 insertions, 0 deletions

diff --git a/backends/PalmOS/Src/games.cpp b/backends/PalmOS/Src/games.cpp
new file mode 100644
index 0000000000..988f2d407d
--- /dev/null
+++ b/backends/PalmOS/Src/games.cpp
@@ -0,0 +1,227 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2001  Ludvig Strigeus
+ * Copyright (C) 2001-2003 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ *
+ */
+
+#include <PalmOS.h>
+#include <VFSMgr.h>
+
+#include "start.h"
+#include "games.h"
+
+#include "extend.h"
+#include "StarterRsc.h"
+
+DmOpenRef gameDB = NULL;
+
+static Err GamUpdateList() {
+	if (gameDB) {
+		UInt16 numRecs = DmNumRecords(gameDB);
+		
+		if (numRecs > 0) {
+			MemHandle tmpH;
+			UInt32 version, size;
+			UInt32 *versionP;
+
+			// get record size and version
+			tmpH = DmQueryRecord(gameDB, 0);
+			size = MemHandleSize(tmpH);
+			versionP = (UInt32 *)MemHandleLock(tmpH);
+			version = *versionP;
+			MemHandleUnlock(tmpH);
+
+			// check record
+			if (version != curItemVersion && size != sizeof(GameInfoType)) {
+				UInt16 index;
+				GameInfoType gitCur;
+				GameInfoTypeV0 git0;
+				void *tmpP;
+				FormPtr ofmP, frmP;
+				
+				// show dialog
+				ofmP = FrmGetActiveForm();
+				frmP = FrmInitForm(ConvertForm);
+				FrmSetActiveForm(frmP);
+				FrmDrawForm(frmP);
+				SysTaskDelay(200);
+
+				// need conversion from V0 -> V2
+				for (index = 0; index < numRecs; index++) {
+					
+					// get old data
+					tmpH = DmQueryRecord(gameDB, index);
+					tmpP = MemHandleLock(tmpH);
+					MemMove(&git0, tmpP, sizeof(GameInfoTypeV0));
+					MemHandleUnlock(tmpH);
+
+					// convert to new format
+					gitCur.version = curItemVersion;
+					gitCur.icnID = 0xFFFF;
+					gitCur.selected = git0.selected;
+					StrCopy(gitCur.nameP, git0.nameP);
+					StrCopy(gitCur.pathP, git0.pathP);
+					StrCopy(gitCur.gameP, git0.gameP);
+					gitCur.gfxMode = git0.gfxMode;
+					
+					gitCur.autoLoad = git0.autoLoad;
+					gitCur.autoRoom = git0.autoRoom;
+					gitCur.setPlatform = git0.amiga;	// amiga become platform amiga/atari-st/machintosh
+					gitCur.subtitles = git0.subtitles;
+					gitCur.talkSpeed = git0.talkSpeed;
+
+					gitCur.loadSlot = git0.loadSlot;
+					gitCur.roomNum = git0.roomNum;
+					gitCur.talkValue = git0.talkValue;
+					gitCur.platform = 0;	// default to amiga
+					gitCur.language = git0.language;
+					
+					tmpH = DmResizeRecord(gameDB, index, sizeof(GameInfoType));	// TODO : check error on resize tmpH==NULL
+					tmpP = MemHandleLock(tmpH);
+					DmWrite(tmpP, 0, &gitCur, sizeof(GameInfoType));
+					MemPtrUnlock(tmpP);
+				}
+
+				FrmEraseForm(frmP);
+				FrmDeleteForm(frmP);
+				if (ofmP)
+					FrmReturnToForm(MainForm);
+			}	
+		}
+	}
+	
+	return errNone;
+}
+
+Err GamOpenDatabase() {
+	Err err = errNone;
+
+	gameDB = DmOpenDatabaseByTypeCreator( 'DATA', appFileCreator, dmModeReadWrite);
+
+	if (!gameDB) {
+		err = DmCreateDatabase(0, "ScummVM-Data", appFileCreator, 'DATA', false);
+		if (!err) {
+			gameDB = DmOpenDatabaseByTypeCreator( 'DATA', appFileCreator, dmModeReadWrite);
+			
+			if (!gameDB)
+				err = DmGetLastErr();
+		}
+	}
+
+	if (err)
+		FrmCustomAlert(FrmErrorAlert,"Cannot open/create games list DB !",0,0);
+	else
+		err = GamUpdateList();
+
+	return err;
+}
+
+void GamImportDatabase() {
+	if (gPrefs->card.volRefNum != sysInvalidRefNum && gPrefs->card.moveDB) {
+		FileRef file;
+		Err e;
+		
+		e = VFSFileOpen(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata.pdb", vfsModeRead, &file);
+		if (!e) {
+			UInt16 oCardNo, nCardNo;
+			LocalID oDbID, nDbID;
+			UInt32 type = 'ODAT';	// change the type to avoid the old db to be loaded in case of crash
+
+			VFSFileClose(file);
+			if (gPrefs->card.confirmMoveDB)
+				if (FrmCustomAlert(FrmConfirmAlert, "Do you want to import games database from memory card ?", 0, 0) == FrmConfirmNo) {
+					// prevent to replace the file on memory card
+					gPrefs->card.moveDB = false;
+					return;
+				}
+ 			
+ 			// get current db info and rename it
+ 			DmOpenDatabaseInfo(gameDB, &oDbID, 0, 0, &oCardNo, 0);
+			GamCloseDatabase(true);
+			DmSetDatabaseInfo(oCardNo, oDbID, "ScummVM-Data-old.pdb", 0, 0, 0, 0, 0, 0, 0, 0, &type, 0);
+
+	
+			e = VFSImportDatabaseFromFile(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata.pdb", &nCardNo, &nDbID);
+			if (e) {
+				type = 'DATA';
+				FrmCustomAlert(FrmErrorAlert, "Failed to import games database from memory card.", 0, 0);
+				DmSetDatabaseInfo(oCardNo, oDbID, "ScummVM-Data.pdb", 0, 0, 0, 0, 0, 0, 0, 0, &type, 0);
+			} else {
+				// in OS5 the localID may change ... ? (cause Free Handle error) TODO : check if this is still required, crash now with tapwave !!!
+//				oDbID = DmFindDatabase (oCardNo, "ScummVM-Data-old.pdb");
+				e = DmDeleteDatabase(oCardNo, oDbID);
+			}
+			GamOpenDatabase();
+		}
+	}
+}
+
+void GamCloseDatabase(Boolean ignoreCardParams) {
+	if (gameDB) {
+		LocalID dbID;
+		UInt16 cardNo;
+		
+		DmOpenDatabaseInfo(gameDB, &dbID, 0, 0, &cardNo, 0);
+		DmCloseDatabase(gameDB);
+
+		if (!ignoreCardParams) {
+			if (gPrefs->card.moveDB && gPrefs->card.volRefNum != sysInvalidRefNum) {
+				VFSFileRename(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata.pdb", "listdata-old.pdb");
+				Err e = VFSExportDatabaseToFile(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata.pdb", cardNo, dbID);
+				if (!e) {
+					VFSFileDelete(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata-old.pdb");
+					if (gPrefs->card.deleteDB)
+						DmDeleteDatabase(cardNo, dbID);
+				} else {
+					VFSFileRename(gPrefs->card.volRefNum, "/Palm/Programs/ScummVM/listdata-old.pdb", "listdata.pdb");
+				}
+			}
+		}
+	}
+	gameDB = NULL;
+}
+
+static Int16 GamCompare(GameInfoType *a, GameInfoType *b, SortRecordInfoPtr, SortRecordInfoPtr, MemHandle) {
+	return StrCaselessCompare(a->nameP, b->nameP);
+}
+
+Err GamSortList() {
+	return DmQuickSort (gameDB, (DmComparF *)GamCompare, 0);
+}
+
+UInt16 GamGetSelected() {
+	MemHandle record;
+	GameInfoType *game;
+	Boolean selected;
+	UInt16 index = DmNumRecords(gameDB)-1;
+	
+	while (index != (UInt16)-1) {
+		record = DmQueryRecord(gameDB, index);
+		game = (GameInfoType *)MemHandleLock(record);
+		selected = game->selected;
+		MemHandleUnlock(record);
+
+		if (selected)
+			return index;
+
+		index--;
+	}
+
+	return dmMaxRecordIndex;
+}