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engines/ultima/nuvie/pathfinder/sched_path_finder.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 NUVIE_PATHFINDER_SCHED_PATH_FINDER_H
+#define NUVIE_PATHFINDER_SCHED_PATH_FINDER_H
+
+#include "ultima/nuvie/pathfinder/actor_path_finder.h"
+
+namespace Ultima {
+namespace Nuvie {
+
+/* Long-range pathfinder for NPCs.
+ */
+class SchedPathFinder: public ActorPathFinder {
+protected:
+	uint32 prev_step_i, next_step_i; /* step counters */
+
+public:
+	/* Pass 'path_type' to define search rules and methods to be used. The
+	   PathFinder is responsible for deleting it when finished. */
+	SchedPathFinder(Actor *a, MapCoord g, Path *path_type);
+	~SchedPathFinder() override;
+
+	bool get_next_move(MapCoord &step) override; /* returns the next step in the path */
+	bool find_path() override; /* gets a NEW path from location->goal */
+	void actor_moved() override; /* update location and step counters */
+
+	bool check_loc(const MapCoord &loc) override; // ignores other actors
+protected:
+	bool is_location_in_path();
+	void incr_step();
+};
+
+} // End of namespace Nuvie
+} // End of namespace Ultima
+
+#endif