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engines/parallaction/walk.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 PARALLACTION_WALK_H
+#define PARALLACTION_WALK_H
+
+#include "common/ptr.h"
+#include "common/list.h"
+
+#include "parallaction/objects.h"
+
+namespace Parallaction {
+
+struct Character;
+
+class PathWalker_NS {
+	AnimationPtr _a;
+	PointList	_walkPath;
+	int16		_direction, _step;
+
+	// builder routines
+	PointList	_subPath;
+	void correctPathPoint(Common::Point &to);
+	uint32 buildSubPath(const Common::Point& pos, const Common::Point& stop);
+	uint16 walkFunc1(const Common::Point &to, Common::Point& node);
+
+	// walker routines
+	void finalizeWalk();
+	void clipMove(Common::Point& pos, const Common::Point& to);
+	void checkDoor(const Common::Point &foot);
+	void updateDirection(const Common::Point& pos, const Common::Point& to);
+
+	Parallaction *_vm;
+
+public:
+	PathWalker_NS(Parallaction *vm);
+
+	void buildPath(AnimationPtr a, uint16 x, uint16 y);
+	void walk();
+};
+
+class PathWalker_BR {
+
+	struct State {
+		bool			_active;
+		AnimationPtr	_a;
+		int				_walkDelay;
+		bool			_stillWalkingTowardsNode;
+		Common::Point	_startFoot;
+		bool			_first;
+		int				_step;
+		int				_dirFrame;
+		PointList		_walkPath;
+	};
+
+	State _character;
+	State _follower;
+
+	void finalizeWalk(State &s);
+	bool directPathExists(const Common::Point &from, const Common::Point &to);
+	void buildPath(State &s, uint16 x, uint16 y);
+	void doWalk(State &s);
+	void checkTrap(const Common::Point &p);
+
+	Parallaction *_vm;
+
+public:
+	PathWalker_BR(Parallaction *vm);
+	~PathWalker_BR() { }
+
+	void setCharacterPath(AnimationPtr a, uint16 x, uint16 y);
+	void setFollowerPath(AnimationPtr a, uint16 x, uint16 y);
+	void stopFollower();
+
+	void walk();
+};
+
+}
+
+#endif