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engines/toltecs/segmap.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_SEGMAP_H
+#define TOLTECS_SEGMAP_H
+
+#include "common/array.h"
+
+#include "toltecs/screen.h"
+
+namespace Toltecs {
+
+struct ScriptWalk {
+	int16 y, x;
+	int16 y1, x1, y2, x2;
+	int16 yerror, xerror;
+	int16 mulValue;
+	int16 scaling;
+};
+
+struct SegmapMaskRect {
+	int16 x, y;
+	int16 width, height;
+	int16 priority;
+	Graphics::Surface *surface;
+};
+
+class SegmentMap {
+public:
+	SegmentMap(ToltecsEngine *vm);
+	~SegmentMap();
+
+	void load(byte *source);
+
+	int16 findPathRectAtPoint(int16 x, int16 y);
+	void adjustPathPoint(int16 &x, int16 &y);
+
+	void findPath(int16 *pointsArray, int16 destX, int16 destY, int16 sourceX, int16 sourceY);
+
+	int8 getScalingAtPoint(int16 x, int16 y);
+	void getRgbModifiertAtPoint(int16 x, int16 y, int16 id, byte &r, byte &g, byte &b);
+
+	void addMasksToRenderQueue();
+
+//protected:
+public: // for debugging purposes
+
+	struct SegmapPathRect {
+		int16 x1, y1, x2, y2;
+	};
+
+	struct SegmapInfoRect {
+		int16 y, x;
+		int16 height, width;
+		byte id;
+		byte a, b, c;
+		inline bool isPointInside(int16 px, int16 py) {
+			return py >= y && py <= y + height && px >= x && px <= x + width;
+		}
+	};
+
+	struct PathPoint {
+		int16 y, x;
+
+		PathPoint() : x(0), y(0) {}
+	};
+
+	typedef Common::Array<SegmapMaskRect> SegmapMaskRectArray;
+	typedef Common::Array<SegmapPathRect> SegmapPathRectArray;
+	typedef Common::Array<SegmapInfoRect> SegmapInfoRectArray;
+
+	ToltecsEngine *_vm;
+
+	SegmapMaskRectArray _maskRects;
+	byte *_maskRectData;
+
+	SegmapPathRectArray _pathRects;
+	SegmapInfoRectArray _infoRects;
+
+	int16 _deadEndPathRects[1000];
+	uint _deadEndPathRectsCount;
+
+	int16 _closedPathRects[1000];
+	uint _closedPathRectsCount;
+
+	PathPoint _pathNodes[1000];
+	int16 _pathNodesCount;
+
+	int16 findNextPathRect(int16 srcRectIndex, int16 destX, int16 destY);
+
+	void loadSegmapMaskRectSurface(byte *maskData, SegmapMaskRect &maskRect);
+	void freeSegmapMaskRectSurfaces();
+
+};
+
+} // End of namespace Toltecs
+
+#endif /* TOLTECS_SEGMAP_H */