Initial commit

engines/titanic/star_control/star_crosshairs.h

@@ -0,0 +1,136 @@
+/* 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/>.
+ *
+ */
+
+#ifndef TITANIC_STAR_CROSSHAIRS_H
+#define TITANIC_STAR_CROSSHAIRS_H
+
+#include "titanic/star_control/base_stars.h"
+#include "titanic/star_control/fpoint.h"
+#include "titanic/star_control/surface_area.h"
+#include "titanic/support/video_surface.h"
+#include "common/array.h"
+#include "common/rect.h"
+
+namespace Titanic {
+
+class CStarField;
+class CStarMarkers;
+class CCamera;
+class SimpleFile;
+
+class CStarCrosshairs {
+private:
+	Common::Array<CStarPosition> _positions;
+	CStarPosition _entries[3];
+private:
+	/**
+	 * Allocates space in the _rects array
+	 */
+	void allocate(int count);
+
+	/**
+	 * Clears any current data
+	 */
+	void clear();
+public:
+	int _matchIndex;
+	int _entryIndex;
+public:
+	CStarCrosshairs();
+	~CStarCrosshairs() { clear(); }
+
+	/**
+	 * Load the data for the class from file
+	 */
+	void load(SimpleFile *file) {}
+
+	/**
+	 * Save the data for the class to file
+	 */
+	void save(SimpleFile *file, int indent) {}
+
+	/**
+	 * Returns true if there are no crosshairs present
+	 */
+	bool isEmpty() const { return _entryIndex == -1; }
+
+	void selectStar(int starNum, CVideoSurface *surface, CStarField *starField,
+		CStarMarkers *markers);
+
+	void draw(CSurfaceArea *surfaceArea);
+
+	bool fn1(CStarField *starField, CSurfaceArea *surfaceArea, CCamera *camera);
+
+	/**
+	 * Increments the number of matches
+	 */
+	void incMatches();
+
+	/**
+	 * Decrements the number of matches
+	 */
+	void decMatches(CVideoSurface *surface, CStarField *starField, CStarMarkers *markers);
+
+	/**
+	 * Draw the crosshairs for a given star
+	 */
+	void drawStar(int index, CSurfaceArea *surfaceArea);
+
+	/**
+	 * Draws the crosshairs for a specified entry, and adds the star
+	 * to the starfield markers
+	 */
+	void drawEntry(int index, CVideoSurface *surface, CStarField *starField, CStarMarkers *markers);
+
+	/**
+	 * Erase crosshairs for the most recently selected star
+	 */
+	void eraseCurrent(CSurfaceArea *surfaceArea);
+
+	/**
+	 * Draw crosshairs at the given position
+	 */
+	void drawAt(const FPoint &pt, CSurfaceArea *surfaceArea);
+
+	/**
+	 * Returns the position of the most recently selected star
+	 */
+	FPoint getPosition() const;
+
+	/**
+	 * Returns the index of an entry in the rects list a given point falls within
+	 */
+	int indexOf(const Common::Point &pt) const;
+
+	/**
+	 * Returns true if the starfield is solved
+	 */
+	bool isSolved() const { return _matchIndex >= 2; }
+
+	/**
+	 * Return true if the starfield puzzle was skipped
+	 */
+	bool isSkipped() const { return _matchIndex == 3; }
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_STAR_CROSSHAIRS_H */