ACCESS: Start implementing loadEstablish

engines/access/access.cpp

@@ -83,6 +83,7 @@ AccessEngine::AccessEngine(OSystem *syst, const AccessGameDescription *gameDesc)
 	_establishFlag = false;
 	_establishMode = 0;
 	_establishGroup = 0;
+	_establishCtrlTblOfs = 0;
 	Common::fill(&_help1[0], &_help1[366], 0);
 	Common::fill(&_help2[0], &_help2[366], 0);
 	Common::fill(&_help1[0], &_help3[366], 0);
@@ -102,6 +103,9 @@ AccessEngine::AccessEngine(OSystem *syst, const AccessGameDescription *gameDesc)
 	_screenVirtX = 0;
 	_lastTime = g_system->getMillis();
 	_curTime = 0;
+	_narateFile = 0;
+	_txtPages = 0;
+	_sndSubFile = 0;
 }
 
 AccessEngine::~AccessEngine() {
@@ -233,9 +237,31 @@ void AccessEngine::establishCenter(int esatabIndex, int sub) {
 	doEstablish(esatabIndex, sub);
 }
 
-byte *AccessEngine::loadEstablish(int sub) {
-	warning("TODO: loadEstablish");
-	return nullptr;
+const char *const _estTable[] = { "ETEXT0.DAT", "ETEXT1.DAT", "ETEXT2.DAT", "ETEXT3.DAT" };
+
+void AccessEngine::loadEstablish(int sub) {
+	if (!_files->existFile("ETEXT.DAT")) {
+		int oldGroup = _establishGroup;
+		_establishGroup = 0;
+
+		_eseg = _files->loadFile(_estTable[oldGroup]);
+	} else {
+		_eseg = _files->loadFile("ETEXT.DAT");
+	}
+
+	_establishCtrlTblOfs = READ_LE_UINT16(_eseg);
+
+	int ofs = _establishCtrlTblOfs + (sub * 2);
+	int idx = READ_LE_UINT16(_eseg + ofs);
+	_narateFile = READ_LE_UINT16(_eseg + idx);
+	_txtPages = READ_LE_UINT16(_eseg + idx + 2);
+
+	if (!_txtPages)
+		return;
+
+	_sndSubFile = READ_LE_UINT16(_eseg + idx + 4);
+	for (int i = 0; i < _txtPages; ++i)
+		_countTbl[i] = READ_LE_UINT16(_eseg + idx + 6 + (2 * i));
 }
 
 void AccessEngine::doEstablish(int esatabIndex, int sub) {
@@ -260,7 +286,7 @@ void AccessEngine::doEstablish(int esatabIndex, int sub) {
 
 	_bubbleBox->_maxChars = 37;
 	_fonts._printOrg = _fonts._printStart = Common::Point(48, 35);
-	_eseg = loadEstablish(sub);
+	loadEstablish(sub);
 	_et = sub;
 	warning("CHECKME: Use of di");
 	_printEnd = 155;

engines/access/access.h

@@ -73,6 +73,8 @@ enum AccessDebugChannels {
 
 struct AccessGameDescription;
 
+extern const char *const _estTable[];
+
 class AccessEngine : public Engine {
 private:
 	uint32 _lastTime, _curTime;
@@ -132,6 +134,7 @@ class AccessEngine : public Engine {
 	bool _establishFlag;
 	int _establishMode;
 	int _establishGroup;
+	int _establishCtrlTblOfs;
 	int _numAnimTimers;
 	TimerList _timers;
 	FontManager _fonts;
@@ -164,6 +167,9 @@ class AccessEngine : public Engine {
 	int _et;
 	int _printEnd;
 	int _txtPages;
+	int _narateFile;
+	int _sndSubFile;
+	int _countTbl[6];
 
 	// Fields that are included in savegames
 	int _conversation;
@@ -220,7 +226,7 @@ class AccessEngine : public Engine {
 	 */
 	void freeInactiveData();
 
-	byte *AccessEngine::loadEstablish(int sub);
+	void AccessEngine::loadEstablish(int sub);
 
 	void establish(int esatabIndex, int sub);
 

engines/access/files.cpp

@@ -82,6 +82,10 @@ byte *FileManager::loadFile(const Common::String &filename) {
 	return handleFile();
 }
 
+bool FileManager::existFile(const Common::String &filename) {
+	return _file.exists(filename);
+}
+
 void FileManager::openFile(const Common::String &filename) {
 	// Open up the file
 	_fileNumber = -1;

engines/access/files.h

@@ -63,6 +63,11 @@ class FileManager {
 	FileManager(AccessEngine *vm);
 	~FileManager();
 
+	/**
+	 * Check the existence of a given file
+	 */
+	bool FileManager::existFile(const Common::String &filename);
+
 	/**
 	 * Load a given subfile from a container file
 	 */