SHERLOCK: Implemented loadJournalFile

1 files changed, 378 insertions, 1 deletions

diff --git a/engines/sherlock/journal.cpp b/engines/sherlock/journal.cpp
index 34423d2480..a9eb86bf07 100644
--- a/engines/sherlock/journal.cpp
+++ b/engines/sherlock/journal.cpp
@@ -21,10 +21,11 @@
  */
 
 #include "sherlock/journal.h"
+#include "sherlock/sherlock.h"
 
 namespace Sherlock {
 
-Journal::Journal() {
+Journal::Journal(SherlockEngine *vm): _vm(vm) {
 	// Allow up to 1000 statements
 	_data.resize(1000);
 
@@ -35,10 +36,386 @@ Journal::Journal() {
 	_sub = 0;
 	_up = _down = 0;
 	_page = 0;
+	_converseNum = -1;
+
+	// Load the journal directory and location names
+	loadJournalLocations();
 }
 
+/**
+ * Records statements that are said, in the order which they are said. The player
+ * can then read the journal to review them
+ */
 void Journal::record(int converseNum, int statementNum) {
+	int saveIndex = _index;
+	int saveSub = _sub;
+
+	// Record the entry into the list
+	_data.push_back(JournalEntry(converseNum, statementNum));
+
+	bool newLines = loadJournalFile(true);
+
 	// TODO
 }
 
+void Journal::loadJournalLocations() {
+	Resources &res = *_vm->_res;
+	char c;
+
+	_directory.clear();
+
+	Common::SeekableReadStream *dir = res.load("talk.lib");
+	dir->skip(4);		// Skip header
+	
+	// Get the numer of entries
+	_directory.resize(dir->readUint16LE());
+
+	// Read in each entry
+	for (uint idx = 0; idx < _directory.size(); ++idx) {
+		Common::String line;
+		while ((c = dir->readByte()) != 0)
+			line += c;
+
+		_directory.push_back(line);
+	}
+
+	delete dir;
+
+	// Load in the locations stored in journal.txt
+	Common::SeekableReadStream *loc = res.load("journal.txt");
+
+	_locations.clear();
+	while (loc->pos() < loc->size()) {
+		Common::String line;
+		while ((c = loc->readByte()) != '\0')
+			line += c;
+
+		_locations.push_back(line);
+	}
+
+	delete loc;
+}
+
+/**
+ * Loads the description for the current display index in the journal, and then
+ * word wraps the result to prepare it for being displayed
+ */
+bool Journal::loadJournalFile(bool alreadyLoaded) {
+	Inventory &inv = *_vm->_inventory;
+	People &people = *_vm->_people;
+	Screen &screen = *_vm->_screen;
+	Talk &talk = *_vm->_talk;
+	JournalEntry &journalEntry = _data[_index];
+	Statement &statement = talk[journalEntry._statementNum];
+
+	Common::String dirFilename = _directory[journalEntry._converseNum];
+	bool replyOnly = journalEntry._replyOnly;
+	Common::String locStr(dirFilename.c_str(), dirFilename.c_str() + 4);
+	int newLocation = atoi(locStr.c_str());
+
+	// If not flagged as alrady loaded, load the conversation into script variables
+	if (!alreadyLoaded) {
+		// See if the file to be used is already loaded
+		if (journalEntry._converseNum != _converseNum) {
+			// Nope. Free any previously loaded talk
+			talk.freeTalkVars();
+
+			// Find the person being talked to
+			talk._talkTo = -1;
+			for (int idx = 0; idx < MAX_PEOPLE; ++idx) {
+				Common::String portrait = people[idx]._portrait;
+				Common::String numStr(portrait.c_str(), portrait.c_str() + 4);
+
+				if (locStr == numStr) {
+					talk._talkTo = idx;
+					break;
+				}
+			}
+
+			// Load the talk file
+			talk.loadTalkFile(dirFilename);
+		}
+	}
+
+	if (talk[0]._statement.hasPrefix("*") || talk[0]._statement.hasPrefix("^"))
+		replyOnly = true;
+
+	// If this isn't the first journal entry, see if the previous journal entry
+	// was in the same scene to see if we need to include the scene header
+	int oldLocation = -1;
+	if (_index != 0) {
+		// Get the scene number of the prior journal entry
+		Common::String priorEntry = _directory[_data[_index - 1]._converseNum];
+		oldLocation = atoi(Common::String(priorEntry.c_str() + 4, priorEntry.c_str() + 6).c_str());
+	}
+
+	// Start building journal string
+	Common::String journalString;
+
+	if (newLocation != oldLocation) {
+		// Add in scene title
+		journalString = "@" + _locations[newLocation - 1] + ":";
+
+		// See if title can fit into a single line, or requires splitting on 2 lines
+		int width = screen.stringWidth(journalString.c_str() + 1);
+		if (width > 230) {
+			// Scan backwards from end of title to find a space between a word
+			// where the width is less than the maximum allowed for the line
+			const char *lineP = journalString.c_str() + journalString.size() - 1;
+			while (width > 230 || *lineP != ' ')
+				width -= screen.charWidth(*lineP--);
+			
+			// Split the header into two lines, and add a '@' prefix 
+			// to the second line as well
+			journalString = Common::String(journalString.c_str(), lineP) + "\n@" +
+				Common::String(lineP + 1);
+		}
+
+		// Add a newline at the end of the title
+		journalString += '\n';
+	}
+
+	// If Holmes has something to say first, then take care of it
+	if (!replyOnly) {
+		// Handle the grammar
+		journalString += "Holmes ";
+		if (talk[journalEntry._statementNum]._statement.hasSuffix("?"))
+			journalString += "asked ";
+		else
+			journalString += "said to ";
+	
+		switch (talk._talkTo) {
+		case 1:
+			journalString += "me";
+			break;
+		case 2:
+			journalString += "the Inspector";
+			break;
+		default:
+			journalString += inv._names[talk._talkTo];
+			break;
+		}
+		journalString += ", \"";
+
+		// Add the statement
+		journalString += statement._statement;
+	}
+
+	// Handle including the reply
+	bool startOfReply = true;
+	bool ctrlSpace = false;
+	bool commentFlag = false;
+	bool commentJustPrinted = false;
+	const char *replyP = statement._reply.c_str();
+
+	while (*replyP) {
+		char c = *replyP;
+
+		// Is it a control character?
+		if (c < 128) {
+			// Nope. Set flag for allowing control coes to insert spaces
+			ctrlSpace = true;
+
+			// Check for embedded comments
+			if (c == '{' || c == '}') {
+				// Comment characters. If we're starting a comment and there's
+				// already text displayed, add a closing quote
+				if (c == '{' && !startOfReply && !commentJustPrinted)
+					journalString += '"';
+
+				// If a reply isn't just being started, and we didn't just end
+				// a comment (which would have added a line), add a carriage return
+				if (!startOfReply && ((!commentJustPrinted && c == '{') || c == '}'))
+					journalString += '"';
+			
+				// Handle setting or clearing comment state
+				if (c == '{') {
+					commentFlag = true;
+					commentJustPrinted = false;
+				} else {
+					commentFlag = false;
+					commentJustPrinted = true;
+				}
+			} else {
+				if (startOfReply) {
+					if (!replyOnly) {
+						journalString += "\"\n";
+
+						if (talk._talkTo == 1)
+							journalString += "I replied, \"";
+						else
+							journalString += "The reply was, \"";
+					} else {
+						if (talk._talkTo == 1)
+							journalString += "I";
+						else if (talk._talkTo == 2)
+							journalString += "The Inspector";
+						else
+							journalString += inv._names[talk._talkTo];
+
+						const char *strP = replyP + 1;
+						char v;
+						do {
+							v = *strP++;						
+						} while (v && v < 128 && v != '.' && v != '!' && v != '?');
+
+						if (v == '?')
+							journalString += " asked, \"";
+						else
+							journalString += " said, \"";
+					}
+
+					startOfReply = false;
+				}
+
+				// Copy text from the place until either the reply ends, a comment
+				// {} block is started, or a control character is encountered
+				do {
+					journalString += *replyP++;
+				} while (*replyP && *replyP < 128 && *replyP != '{' && *replyP != '}');
+
+				// Move pointer back, since the outer for loop will increment it again
+				--replyP;
+				commentJustPrinted = false;
+			}
+		} else if (c == 128) {
+			if (!startOfReply) {
+				if (!commentFlag && !commentJustPrinted)
+					journalString += "\"\n";
+
+				journalString += "Then ";
+				commentFlag = false;
+			} else if (!replyOnly) {
+				journalString += "\"\n";
+			}
+
+			startOfReply = false;
+			c = *++replyP;
+
+			if ((c - 1) == 0)
+				journalString += "Holmes";
+			else if ((c - 1) == 1)
+				journalString += "I";
+			else if ((c - 1) == 2)
+				journalString += "the Inspector";
+			else
+				journalString += inv._names[c - 1];
+
+			const char *strP = replyP + 1;
+			char v;
+			do {
+				v = *strP++;
+			} while (v && v < 128 && v != '.' && v != '!' && v != '?');
+
+			if (v == '?')
+				journalString += " asked, \"";
+			else
+				journalString += " said, \"";
+		} else {
+			// Control code, so move past it and any parameters
+			++replyP;
+			switch (c) {
+			case 129:		// Run canim
+			case 130:		// Assign side
+			case 131:		// Pause with control
+			case 136:		// Pause without control
+			case 157:		// Walk to canimation
+				// These commands don't have any param
+				break;
+
+			case 134:		// Change sequence
+				replyP += (replyP[0] & 127) + replyP[2] + 1;
+				break;
+
+			case 135:       // Walk to co-ords
+			case 154:		// Move mouse
+				replyP += 3; 
+				break;
+
+			case 139:		// Set flag
+			case 143:		// If statement 
+				++replyP;
+				break;
+
+			case 140:		// Play voice file
+			case 150:		// Play prologue
+			case 153:		// Call talk file 
+				replyP += 7;
+				break;
+
+			case 141:		// Toggle object
+			case 151:		// Put item in inventory
+			case 152:		// Set object
+			case 155:		// Info line
+			case 158:		// Delete item from inventory
+				replyP += *replyP & 127;
+				break;
+
+			case 149:		// Goto scene
+				replyP += 4;
+				break;
+
+			case 161:		// End of line
+				journalString += "\n";
+				break;
+
+			default:
+				break;
+			}
+
+			// Put a space in the output for a control character, unless it's
+			// immediately coming after another control character
+			if (ctrlSpace && c != 130 && c != 161 && !commentJustPrinted) {
+				journalString += " ";
+				ctrlSpace = false;
+			}
+		}
+	}
+
+	if (!startOfReply && !commentJustPrinted)
+		journalString += '"';
+
+	// Finally finished building the journal text. Need to process the text to
+	// word wrap it to fit on-screen. The resulting lines are stored in the
+	// _entries array
+	_entries.clear();
+
+	while (!journalString.empty()) {
+		const char *startP = journalString.c_str();
+
+		// If the first character is a '@' flagging a title line, then move
+		// past it, so the @ won't be included in the line width calculation
+		if (*startP == '@')
+			++startP;
+	
+		// Build up chacters until a full line is found
+		int width = 0;
+		const char *endP = startP;
+		while (width < 230 && *endP && *endP != '\n' && (endP - startP) < 79)
+			width += screen.charWidth(*endP++);
+		
+		// If word wrapping, move back to end of prior word
+		if (width >= 230 || (endP - startP) >= 79) {
+			while (*--endP != ' ')
+				;
+		}
+
+		// Add in the line
+		_entries.push_back(Common::String(startP, endP));
+
+		// Strip line off from string being processed
+		journalString = *endP ? Common::String(endP + 1) : "";
+	}
+
+	// Add a blank line at the end of the text as long as text was present
+	if (!startOfReply) {
+		_entries.push_back("");
+	} else {
+		_entries.clear();
+	}
+
+	return _entries.size();
+}
+
+
 } // End of namespace Sherlock