TITANIC: Implement PET Text color remapping

4 files changed, 50 insertions, 1 deletions

diff --git a/engines/titanic/pet_control/pet_conversations.cpp b/engines/titanic/pet_control/pet_conversations.cpp
index 090952dbe2..76d293208b 100644
--- a/engines/titanic/pet_control/pet_conversations.cpp
+++ b/engines/titanic/pet_control/pet_conversations.cpp
@@ -88,7 +88,11 @@ bool CPetConversations::reset() {
 		_textInput.setColor(col);
 		_textInput.setLineColor(0, col);
 
-		warning("TODO: Setup log shaded palette?");
+		// Replace the log colors with new 1st class ones
+		uint colors1[5], colors2[5];
+		copyColors(2, colors1);
+		copyColors(1, colors2);
+		_log.remapColors(5, colors1, colors2);
 
 		_log.setColor(getColor(2));
 	}
@@ -479,4 +483,9 @@ CString CPetConversations::getActiveNPCName() const {
 		return CString();
 }
 
+void CPetConversations::copyColors(uint tableNum, uint colors[5]) {
+	const uint *src = getColorTable(tableNum);
+	Common::copy(src, src + 5, colors);
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/pet_control/pet_conversations.h b/engines/titanic/pet_control/pet_conversations.h
index 1bc59419f1..57c7fbd9b2 100644
--- a/engines/titanic/pet_control/pet_conversations.h
+++ b/engines/titanic/pet_control/pet_conversations.h
@@ -126,6 +126,11 @@ private:
 	 * Returns the name of the currently active NPC, if any
 	 */
 	CString getActiveNPCName() const;
+
+	/**
+	 * Create a color table
+	 */
+	void copyColors(uint tableNum, uint colors[5]);
 public:
 	CPetConversations();
 	virtual ~CPetConversations() {}
diff --git a/engines/titanic/pet_control/pet_text.cpp b/engines/titanic/pet_control/pet_text.cpp
index a1cc75cb42..1065e6f825 100644
--- a/engines/titanic/pet_control/pet_text.cpp
+++ b/engines/titanic/pet_control/pet_text.cpp
@@ -234,6 +234,31 @@ void CPetText::setColor(byte r, byte g, byte b) {
 	_textB = b;
 }
 
+void CPetText::remapColors(uint count, uint *srcColors, uint *destColors) {
+	if (_lineCount >= 0) {
+		int lineNum = 0;
+		int index1 = 0;
+
+		for (int lineNum = 0; lineNum <= _lineCount; ++lineNum) {
+			// Get the rgb values
+			uint r = _array[lineNum]._rgb[1];
+			uint g = _array[lineNum]._rgb[2];
+			uint b = _array[lineNum]._rgb[3];
+			uint color = r | (g << 8) | (b << 16);
+
+			for (uint index = 0; index < count; ++index) {
+				if (color == srcColors[index]) {
+					// Found a match, so replace the color
+					setLineColor(lineNum, destColors[lineNum]);
+					break;
+				}
+			}
+		}
+	}
+	
+	_stringsMerged = false;
+}
+
 void CPetText::setMaxCharsPerLine(int maxChars) {
 	if (maxChars >= -1 && maxChars < 257)
 		_maxCharsPerLine = maxChars;
diff --git a/engines/titanic/pet_control/pet_text.h b/engines/titanic/pet_control/pet_text.h
index adbd1401ea..930bf3da8b 100644
--- a/engines/titanic/pet_control/pet_text.h
+++ b/engines/titanic/pet_control/pet_text.h
@@ -242,7 +242,17 @@ public:
 	 */
 	void hideCursor();
 
+	/**
+	 * Get an NPC Number embedded within on-screen text.
+	 * Used by the PET log to encode which NPC spoke
+	 */
 	int getNPCNum(uint npcId, uint startIndex);
+
+	/**
+	 * Replaces any occurances of line colors that appear in the
+	 * first list with the entry at the same index in the dest list
+	 */
+	void remapColors(uint count, uint *srcColors, uint *destColors);
 };
 
 } // End of namespace Titanic