From ca49ded9b346e702538a560ed9de391c3c532b9d Mon Sep 17 00:00:00 2001
From: Benjamin Haisch
Date: Tue, 16 Sep 2008 11:18:09 +0000
Subject: TOLTECS: More changes to wrapGuiText

---
 engines/toltecs/screen.cpp | 36 +++++++++++++++++++-----------------
 engines/toltecs/screen.h   |  4 ++--
 2 files changed, 21 insertions(+), 19 deletions(-)

(limited to 'engines')

diff --git a/engines/toltecs/screen.cpp b/engines/toltecs/screen.cpp
index 8989638734..4f7efaa423 100644
--- a/engines/toltecs/screen.cpp
+++ b/engines/toltecs/screen.cpp
@@ -628,9 +628,9 @@ void Screen::updateVerbLine(int16 slotIndex, int16 slotOffset) {
 	}
 
 	GuiTextWrapState wrapState;
+	int16 len;
 	wrapState.width = 0;
 	wrapState.destString = wrapState.textBuffer;
-	wrapState.len = 0;
 	wrapState.len1 = 0;
 	wrapState.len2 = 0;
 
@@ -640,39 +640,39 @@ void Screen::updateVerbLine(int16 slotIndex, int16 slotOffset) {
 	
 	for (int16 i = 0; i <= _verbLineNum; i++) {
 		wrapState.sourceString = _vm->_script->getSlotData(_verbLineItems[i].slotIndex) + _verbLineItems[i].slotOffset;
-		wrapGuiText(_fontResIndexArray[0], _verbLineWidth, wrapState);
-		wrapState.len1 += wrapState.len;
+		len = wrapGuiText(_fontResIndexArray[0], _verbLineWidth, wrapState);
+		wrapState.len1 += len;
 	}
 
 	if (_verbLineCount != 1) {
 		int16 charWidth;
 		if (*wrapState.sourceString < 0xF0) {
-			while (*wrapState.sourceString > 0x20 && *wrapState.sourceString < 0xF0 && wrapState.len > 0) {
+			while (*wrapState.sourceString > 0x20 && *wrapState.sourceString < 0xF0 && len > 0) {
 				byte ch = *wrapState.sourceString--;
 				wrapState.len1--;
-				wrapState.len--;
+				len--;
 				charWidth = font.getCharWidth(ch) + font.getSpacing() - 1;
 				wrapState.width -= charWidth;
 			}
 			wrapState.width += charWidth;
 			wrapState.sourceString++;
-			wrapState.len1 -= wrapState.len;
-			wrapState.len2 = wrapState.len + 1;
+			wrapState.len1 -= len;
+			wrapState.len2 = len + 1;
 			
 			drawGuiText(_verbLineX - 1 - (wrapState.width / 2), y, 0xF9, 0xFF, _fontResIndexArray[0], wrapState);
 
 			wrapState.destString = wrapState.textBuffer;
 			wrapState.width = 0;
-			wrapGuiText(_fontResIndexArray[0], _verbLineWidth, wrapState);
-			wrapState.len1 += wrapState.len;
+			len = wrapGuiText(_fontResIndexArray[0], _verbLineWidth, wrapState);
+			wrapState.len1 += len;
 			
 			y += 9;
 		}
 		y += 9;
 	}
 	
-	wrapState.len1 -= wrapState.len;
-	wrapState.len2 = wrapState.len;
+	wrapState.len1 -= len;
+	wrapState.len2 = len;
 
 	drawGuiText(_verbLineX - 1 - (wrapState.width / 2), y, 0xF9, 0xFF, _fontResIndexArray[0], wrapState);
 
@@ -868,9 +868,8 @@ void Screen::drawGuiTextMulti(byte *textData) {
 		} else {
 			wrapState.destString = wrapState.textBuffer;
 			wrapState.width = 0;
-			wrapGuiText(_fontResIndexArray[1], 640, wrapState);
 			wrapState.len1 = 0;
-			wrapState.len2 = wrapState.len;
+			wrapState.len2 = wrapGuiText(_fontResIndexArray[1], 640, wrapState);
 			drawGuiText(x - wrapState.width / 2, y, _fontColor1, _fontColor2, _fontResIndexArray[1], wrapState);
 		}
 	
@@ -878,11 +877,11 @@ void Screen::drawGuiTextMulti(byte *textData) {
 
 }
 
-void Screen::wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrapState) {
+int16 Screen::wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrapState) {
 
 	Font font(_vm->_res->load(fontResIndex));
-
-	wrapState.len = 0;
+	int16 len = 0;
+	
 	while (*wrapState.sourceString >= 0x20 && *wrapState.sourceString < 0xF0) {
 		byte ch = *wrapState.sourceString;
 		byte charWidth;
@@ -892,10 +891,13 @@ void Screen::wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrap
 			charWidth = font.getCharWidth(ch) + font.getSpacing() - 1;
 		if (wrapState.width + charWidth >= maxWidth)
 			break;
-		wrapState.len++;
+		len++;
 		wrapState.width += charWidth;
 		*wrapState.destString++ = *wrapState.sourceString++;
 	}
+	
+	return len;
+	
 }
 
 void Screen::drawGuiText(int16 x, int16 y, byte fontColor1, byte fontColor2, uint fontResIndex, GuiTextWrapState &wrapState) {
diff --git a/engines/toltecs/screen.h b/engines/toltecs/screen.h
index fa7cad9430..6050257c1b 100644
--- a/engines/toltecs/screen.h
+++ b/engines/toltecs/screen.h
@@ -309,7 +309,7 @@ struct TalkTextItem {
 };
 
 struct GuiTextWrapState {
-	int16 len, len1, len2;
+	int16 len1, len2;
 	byte *sourceString;
 	byte *destString;
 	int16 width;
@@ -354,7 +354,7 @@ public:
 	// Font/text
 	void registerFont(uint fontIndex, uint resIndex);
 	void drawGuiTextMulti(byte *textData);
-	void wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrapState);
+	int16 wrapGuiText(uint fontResIndex, int maxWidth, GuiTextWrapState &wrapState);
 	void drawGuiText(int16 x, int16 y, byte fontColor1, byte fontColor2, uint fontResIndex, GuiTextWrapState &wrapState);
 
 	int16 drawString(int16 x, int16 y, byte color, uint fontResIndex, byte *text, int len = -1, int16 *ywobble = NULL, bool outline = false);
-- 
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