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engines/saga2/gpointer.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 original sources
+ *   Faery Tale II -- The Halls of the Dead
+ *   (c) 1993-1996 The Wyrmkeep Entertainment Co.
+ */
+
+#ifndef SAGA2_GPOINTER_H
+#define SAGA2_GPOINTER_H
+
+#include "saga2/vdraw.h"
+
+namespace Saga2 {
+
+class gMousePointer {
+	gPixelMap           *_pointerImage,      // pointer to current mouse image
+	                    _saveMap;            // memory to backsave to
+	gPort               _savePort;           // port to save to
+	gDisplayPort        *_videoPort;         // port to render to
+	Rect16              _saveExtent;         // extent of backsave
+	int16               _hideCount;          // mouse hiding nesting level
+	Point16             _currentPosition,    // where real coords are
+	                    _offsetPosition;     // center of mouse image
+	bool                _shown;              // mouse currently shown
+
+	void draw();
+	void restore();
+public:
+	gMousePointer(gDisplayPort &);       // constructor
+	~gMousePointer();                       // destructor
+
+	bool init(Point16 pointerLimits);
+	bool init(uint16 xLimit, uint16 yLimit) {
+		return init(Point16(xLimit, yLimit));
+	}
+	void show();                         // show the pointer
+	void hide();                         // hide the pointer
+	void show(gPort &port, Rect16 r);        // show the pointer
+	void hide(gPort &port, Rect16 r);        // hide the pointer
+	int manditoryShow();
+	void move(Point16 pos);                  // move the pointer
+	void setImage(gPixelMap &img, int x, int y);     // set the pointer imagery
+	bool isShown() {
+		return _shown;
+	}
+	int16 hideDepth() {
+		return _hideCount;
+	}
+	gPixelMap *getImage(Point16 &offset) {
+		offset = _offsetPosition;
+		return _pointerImage;
+	}
+	gPixelMap *getImageCurPos(Point16 &curPos) {
+		curPos = _currentPosition;
+		return _pointerImage;
+	}
+	gPixelMap *getSaveMap(Rect16 &save) {
+		save = _saveExtent;
+		return &_saveMap;
+	}
+};
+
+} // end of namespace Saga2
+
+#endif  // SAGA2_POINTER_H