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engines/toltecs/microtiles.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/>.
+ *
+ */
+
+#ifndef TOLTECS_MICROTILES_H
+#define TOLTECS_MICROTILES_H
+
+#include "common/scummsys.h"
+#include "common/util.h"
+#include "common/rect.h"
+
+namespace Toltecs {
+
+typedef uint32 BoundingBox;
+
+const BoundingBox FullBoundingBox  = 0x00001F1F;
+const BoundingBox EmptyBoundingBox = 0x00000000;
+const int TileSize = 32;
+
+class MicroTileArray {
+public:
+	MicroTileArray(int16 width, int16 height);
+	~MicroTileArray();
+	void addRect(Common::Rect r);
+	void clear();
+	Common::Rect *getRectangles(int *num_rects, int min_x, int min_y, int max_x, int max_y);
+protected:
+	BoundingBox *_tiles;
+	int16 _tilesW, _tilesH;
+	byte TileX0(const BoundingBox &boundingBox);
+	byte TileY0(const BoundingBox &boundingBox);
+	byte TileX1(const BoundingBox &boundingBox);
+	byte TileY1(const BoundingBox &boundingBox);
+	bool isBoundingBoxEmpty(const BoundingBox &boundingBox);
+	bool isBoundingBoxFull(const BoundingBox &boundingBox);
+	void setBoundingBox(BoundingBox &boundingBox, byte x0, byte y0, byte x1, byte y1);
+	void updateBoundingBox(BoundingBox &boundingBox, byte x0, byte y0, byte x1, byte y1);
+};
+
+} // namespace Toltecs
+
+#endif // TOLTECS_MICROTILES_H