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engines/dm/text.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Based on the Reverse Engineering work of Christophe Fontanel,
+ * maintainer of the Dungeon Master Encyclopaedia (http://dmweb.free.fr/)
+ */
+
+#ifndef DM_TEXT_H
+#define DM_TEXT_H
+
+#include "dm/dm.h"
+#include "dm/gfx.h"
+
+namespace DM {
+
+struct TextScroller {
+	// Placeholder, empty for now
+}; // @ Text_Scroller
+
+#define kDMFontLetterWidth 5
+#define kDMFontLetterHeight 6
+
+class TextMan {
+	DMEngine *_vm;
+	int16 _messageAreaCursorColumn; // @ G0359_i_MessageAreaCursorColumn
+	int16 _messageAreaCursorRow; // @ G0358_i_MessageAreaCursorRow
+	int32 _messageAreaRowExpirationTime[4]; // @ G0360_al_MessageAreaRowExpirationTime
+	byte *_bitmapMessageAreaNewRow; // @ G0356_puc_Bitmap_MessageAreaNewRow
+
+	// for scrolling 'em messages
+	bool _isScrolling;
+	int64 _startedScrollingAt;
+	byte *_messageAreaCopy;
+public:
+	TextScroller _textScroller;
+
+	explicit TextMan(DMEngine *vm);
+	~TextMan();
+
+	void printTextToBitmap(byte *destBitmap, uint16 destByteWidth, int16 destX, int16 destY,
+							   Color textColor, Color bgColor, const char *text, uint16 destHeight); // @ F0040_TEXT_Print
+	void printToLogicalScreen(uint16 destX, uint16 destY, Color textColor, Color bgColor, const char *text); // @ F0053_TEXT_PrintToLogicalScreen
+	void printToViewport(int16 posX, int16 posY, Color textColor, const char *text, Color bgColor = kDMColorDarkestGray); // @ F0052_TEXT_PrintToViewport
+	void printWithTrailingSpaces(byte *destBitmap, int16 destByteWidth, int16 destX, int16 destY, Color textColor, Color bgColor,
+									 const char *text, int16 strLenght, int16 destHeight); // @ F0041_TEXT_PrintWithTrailingSpaces
+	void printLineFeed(); // @ F0051_TEXT_MESSAGEAREA_PrintLineFeed
+	void printMessage(Color color, const char *string, bool printWithScroll = true); // @ F0047_TEXT_MESSAGEAREA_PrintMessage
+	void createNewRow(); // @ F0045_TEXT_MESSAGEAREA_CreateNewRow
+	void printString(Color color, const char* string);// @ F0046_TEXT_MESSAGEAREA_PrintString
+	void initialize(); // @ F0054_TEXT_Initialize
+	void moveCursor(int16 column, int16 row); // @ F0042_TEXT_MESSAGEAREA_MoveCursor
+	void clearExpiredRows(); // @ F0044_TEXT_MESSAGEAREA_ClearExpiredRows
+	void printEndGameString(int16 x, int16 y, Color textColor, const char *text); // @ F0443_STARTEND_EndgamePrintString
+	bool isTextScrolling(TextScroller *scroller, bool waitEndOfScrolling) { return false; } // @ F0561_SCROLLER_IsTextScrolling
+	void setScrollerCommand(TextScroller *scroller, int16 command) { } // @ F0560_SCROLLER_SetCommand
+	void clearAllRows(); // @ F0043_TEXT_MESSAGEAREA_ClearAllRows
+
+	void updateMessageArea();
+};
+
+}
+#endif