Initial commit

engines/cge/walk.h

@@ -0,0 +1,85 @@
+/* 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/>.
+ *
+ */
+
+/*
+ * This code is based on original Soltys source code
+ * Copyright (c) 1994-1995 Janusz B. Wisniewski and L.K. Avalon
+ */
+
+#ifndef CGE_WALK_H
+#define CGE_WALK_H
+
+#include "common/rect.h"
+#include "cge/vga13h.h"
+#include "cge/events.h"
+
+namespace CGE {
+
+#define kMapArrSize    (kMapZCnt * kMapXCnt)
+#define kMapHig        80
+#define kMapGridX      (kScrWidth / kMapXCnt)
+#define kMapGridZ      (kMapHig / kMapZCnt)
+#define kMaxFindLevel  3
+
+enum Dir { kDirNone = -1, kDirNorth, kDirEast, kDirSouth, kDirWest };
+
+class Cluster {
+public:
+	CGEEngine *_vm;
+	Common::Point _pt;
+public:
+	uint8 &cell();
+	Cluster(CGEEngine *vm, int16 a, int16 b);
+	Cluster(CGEEngine *vm);
+	bool chkBar() const;
+	bool isValid() const;
+};
+
+class Walk : public Sprite {
+private:
+	CGEEngine *_vm;
+public:
+	Cluster _here;
+	int _tracePtr;
+	int _level;
+	int _findLevel;
+	Common::Point _target;
+	Common::Array<Cluster *> _trace;
+
+	Dir _dir;
+	Walk(CGEEngine *vm, BitmapPtr *shpl);
+	~Walk() override;
+	void tick() override;
+	void findWay(Cluster c);
+	void findWay(Sprite *spr);
+	int distance(Sprite *spr);
+	void turn(Dir d);
+	void park();
+	bool lower(Sprite *spr);
+	void reach(Sprite *spr, int mode = -1);
+
+	void noWay();
+	bool find1Way(Cluster c);
+};
+
+} // End of namespace CGE
+
+#endif