From 28a5a747b3042da71e764f6a21b4d9007ec6dc78 Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Mon, 29 Aug 2016 00:07:40 -0400
Subject: TITANIC: Finished CCreditText draw method

---
 engines/titanic/support/credit_text.cpp | 56 +++++++++++++++++++++++++++++++--
 1 file changed, 53 insertions(+), 3 deletions(-)

(limited to 'engines/titanic/support/credit_text.cpp')

diff --git a/engines/titanic/support/credit_text.cpp b/engines/titanic/support/credit_text.cpp
index 9364acf6d3..009c3f4944 100644
--- a/engines/titanic/support/credit_text.cpp
+++ b/engines/titanic/support/credit_text.cpp
@@ -197,11 +197,61 @@ bool CCreditText::draw() {
 		}
 	}
 
-	_screenManagerP->setFontNumber(3);
+	int oldFontNumber = _screenManagerP->setFontNumber(3);
+	CCreditLineGroups::iterator groupIt = _groupIt;
+	CCreditLines::iterator lineIt = _lineIt;
+
+	Point textPos;
+	for (textPos.y = _rect.top + _totalHeight; textPos.y <= _rect.bottom;
+			textPos.y += _fontHeight) {
+		int textR = _field44 + _field50 * _counter / 200;
+		int textG = _field48 + _field54 * _counter / 200;
+		int textB = _field4C + _field58 * _counter / 200;
+
+		// Single iteration loop to figure out RGB values for the line
+		do {
+			int percent = 0;
+			if (textPos.y < (_rect.top + 2 * _fontHeight)) {
+				percent = (textPos.y - _rect.top) * 100 / (_fontHeight * 2);
+				if (percent < 0)
+					percent = 0;
+			} else {
+				int bottom = _rect.bottom - 2 * _fontHeight;
+				if (textPos.y < bottom)
+					break;
 
-	// TODO: Drawing loop
+				percent = (_rect.bottom - textPos.y) * 100
+					/ (_fontHeight * 2);
+			}
+
+			// Adjust the RGB to the specified percentage intensity
+			textR = textR * percent / 100;
+			textG = textG * percent / 100;
+			textB = textB * percent / 100;
+		} while (0);
+
+		// Write out the line
+		_screenManagerP->setFontColor(textR, textG, textB);
+		textPos.x = _rect.left + (_rect.width() - (*lineIt)->_lineWidth) / 2;
+		_screenManagerP->writeString(SURFACE_BACKBUFFER, textPos,
+			_rect, (*lineIt)->_line, (*lineIt)->_lineWidth);
+
+		// Move to next line
+		++lineIt;
+		if (lineIt == (*groupIt)->_lines.end()) {
+			++groupIt;
+			if (groupIt == _groups.end())
+				// Finished all lines
+				break;
 
-	return false;
+			lineIt = (*groupIt)->_lines.begin();
+			textPos.y += _fontHeight * 3 / 2;
+		}
+	}
+
+	_objectP->makeDirty();
+	_screenManagerP->setFontNumber(oldFontNumber);
+	return true;
 }
 
 } // End of namespace Titanic
-- 
cgit v1.2.3