MADS: Implemented constructor for copy protection dialog, and support methods

1 files changed, 72 insertions, 3 deletions

diff --git a/engines/mads/nebular/dialogs_nebular.h b/engines/mads/nebular/dialogs_nebular.h
index 6417c2cdc3..3e28ee39b3 100644
--- a/engines/mads/nebular/dialogs_nebular.h
+++ b/engines/mads/nebular/dialogs_nebular.h
@@ -30,6 +30,76 @@ namespace MADS {
 
 namespace Nebular {
 
+enum {
+	TEXTDIALOG_F8 = 0XF8,
+	TEXTDIALOG_F9 = 0XF8,
+	TEXTDIALOG_FA = 0XF8,
+	TEXTDIALOG_FB = 0XF8,
+	TEXTDIALOG_FC = 0XF8,
+	TEXTDIALOG_FD = 0XF8,
+	TEXTDIALOG_FE = 0XF8,
+	TEXTDIALOG_FONT = 0
+};
+
+#define TEXT_DIALOG_MAX_LINES 20
+
+class TextDialog {
+private:
+	/**
+	 * Increments the number of text lines the text dialog uses
+	 */
+	void incNumLines();
+
+	/**
+	 * Flags the previously added line to be underlined
+	 */
+	void underlineLine();
+
+	/**
+	 * Append text to the currently end line.
+	 */
+	void appendLine(const Common::String &line);
+protected:
+	MADSEngine *_vm;
+	Common::Point _position;
+	Common::String _fontName;
+	int _width;
+	int _innerWidth;
+	int _lineWidth;
+	int _currentX;
+	int _numLines;
+	int _lineSize;
+	Common::String _lines[TEXT_DIALOG_MAX_LINES];
+	int _lineXp[TEXT_DIALOG_MAX_LINES];
+	byte _savedPalette[8 * 3];
+
+	/**
+	 * Add a new line to the dialog
+	 */
+	void addLine(const Common::String &line, bool underline = false);
+
+	/**
+	 * Adds one or more lines, word wrapping the passed text
+	 */
+	void wordWrap(const Common::String &line);
+public:
+	/**
+	 * Constructor
+	 * @param vm			Engine reference
+	 * @param fontName		Font to use for display
+	 * @param pos			Position for window top-left
+	 * @param maxChars		Horizontal width of window in characters
+	 */
+	TextDialog(MADSEngine *vm, const Common::String &fontName, const Common::Point &pos, 
+		int maxChars);
+
+	/**
+	 * Destructor
+	 */
+	~TextDialog();
+
+};
+
 struct HOGANUS {
 	int _bookId;
 	int _pageNum;
@@ -38,15 +108,14 @@ struct HOGANUS {
 	Common::String _word;
 };
 
-class CopyProtectionDialog {
+class CopyProtectionDialog: public TextDialog {
 private:
-	MADSEngine *_vm;
 	HOGANUS _hogEntry;
 
 	/**
 	 * Constructor
 	 */
-	CopyProtectionDialog(MADSEngine *vm);
+	CopyProtectionDialog(MADSEngine *vm, bool priorAnswerWrong);
 
 	/**
 	 * Get a random copy protection entry from the HOGANUS resource