From 18d6c501fc8f1af50e0e945406233af7ae94a75a Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Wed, 5 Oct 2016 10:47:22 +0300
Subject: CHEWY: Add support for in-game texts

---
 engines/chewy/text.cpp | 63 ++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 58 insertions(+), 5 deletions(-)

(limited to 'engines/chewy/text.cpp')

diff --git a/engines/chewy/text.cpp b/engines/chewy/text.cpp
index da7b2279f4..e877b99f83 100644
--- a/engines/chewy/text.cpp
+++ b/engines/chewy/text.cpp
@@ -34,11 +34,11 @@ Text::Text() : Resource("atds.tap") {
 Text::~Text() {
 }
 
-DialogList *Text::getDialog(uint dialogNum, uint entryNum) {
-	DialogList *l = new DialogList();
-
+TextEntryList *Text::getDialog(uint dialogNum, uint entryNum) {
 	if (dialogNum >= kADSTextMax)
-		error("getDialog(): Invalid entry number requested, %d (max %d)", dialogNum, kADSTextMax);
+		error("getDialog(): Invalid entry number requested, %d (max %d)", dialogNum, kADSTextMax - 1);
+
+	TextEntryList *l = new TextEntryList();
 
 	byte *data = getChunkData(dialogNum);
 	byte *ptr = data;
@@ -51,7 +51,7 @@ DialogList *Text::getDialog(uint dialogNum, uint entryNum) {
 
 	for (uint i = 0; i <= entryNum; i++) {
 		do {
-			Dialog curDialog;
+			TextEntry curDialog;
 			ptr++;	// current entry
 			ptr += 2;
 			curDialog.speechId = READ_LE_UINT16(ptr) - VOICE_OFFSET;	ptr += 2;
@@ -81,6 +81,59 @@ DialogList *Text::getDialog(uint dialogNum, uint entryNum) {
 	return l;
 }
 
+TextEntry *Text::getText(uint dialogNum, uint entryNum) {
+	if (dialogNum < kADSTextMax)
+		error("getText(): Invalid entry number requested, %d (min %d)", dialogNum, kADSTextMax);
+
+	TextEntry *d = new TextEntry();
+	bool isText = (dialogNum >= kADSTextMax && dialogNum < kADSTextMax + kATSTextMax);
+	bool isAutoDialog = (dialogNum >= kADSTextMax + kATSTextMax && dialogNum < kADSTextMax + kATSTextMax + kAADTextMax);
+	//bool isInvText = (dialogNum >= kADSTextMax + kATSTextMax + kAADTextMax && dialogNum < kADSTextMax + kATSTextMax + kAADTextMax + kINVTextMax);
+
+	byte *data = getChunkData(dialogNum);
+	byte *ptr = data;
+
+	if (isAutoDialog)
+		ptr += 3;
+
+	for (uint i = 0; i <= entryNum; i++) {
+		ptr += 13;
+		d->speechId = READ_LE_UINT16(ptr) - VOICE_OFFSET;	ptr += 2;
+
+		do {
+			if (i == entryNum)
+				d->text += *ptr++;
+			else
+				ptr++;
+
+			if (*ptr == 0 && *(ptr + 1) != kEndText) {
+				// TODO: Split lines
+				*ptr = ' ';
+			}
+		} while (*ptr);
+
+		if (*(ptr + 1) != kEndText || *(ptr + 2) != kEndChunk)
+			error("Invalid text resource - %d", dialogNum);
+
+		if (!isText)
+			ptr += 3;	// 0, kEndText, kEndChunk
+		if (isAutoDialog)
+			ptr += 3;
+
+		if (i == entryNum) {
+			// Found
+			delete[] data;
+			return d;
+		}
+	}
+
+	// Not found
+	delete[] data;
+	delete d;
+
+	return nullptr;
+}
+
 Font::Font(Common::String filename) {
 	const uint32 headerFont = MKTAG('T', 'F', 'F', '\0');
 	Common::File stream;
-- 
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