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walk.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the AUTHORS
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef STARK_MOVEMENT_WALK_H
00024 #define STARK_MOVEMENT_WALK_H
00025 
00026 #include "engines/stark/movement/movement.h"
00027 
00028 #include "common/array.h"
00029 
00030 namespace Stark {
00031 
00032 class StringPullingPath;
00033 
00034 namespace Resources {
00035 class FloorPositionedItem;
00036 }
00037 
00042 class Walk : public Movement {
00043 public:
00044     Walk(Resources::FloorPositionedItem *item);
00045     virtual ~Walk();
00046 
00047     // Movement API
00048     void start() override;
00049     void stop(bool force = false) override;
00050     void onGameLoop() override;
00051     bool hasReachedDestination() const override;
00052     uint32 getType() const override;
00053     void saveLoad(ResourceSerializer *serializer) override;
00054 
00056     void setDestination(const Math::Vector3d &destination);
00057     void setDestinationWithoutHeight(Math::Vector3d destination);
00058 
00060     void changeDestination(const Math::Vector3d &destination);
00061 
00063     void setRunning();
00064 
00065 private:
00066     void doWalk();
00067     void doWalkCollisionSimple();
00068     void doWalkCollisionAvoid();
00069 
00070     float computeDistancePerGameLoop() const;
00071     float getAngularSpeed() const;
00072 
00073     void changeItemAnim();
00074     void updatePath() const;
00075 
00076     void queueDestinationToAvoidItem(Resources::FloorPositionedItem *item, const Math::Vector3d &destination);
00077     bool isItemAlreadyAvoided(Resources::FloorPositionedItem *item) const;
00078 
00079     static bool isPointNearPath(const Math::Vector3d &point3d, const Math::Vector3d &pathStart3d, const Math::Vector3d &pathEnd3d);
00080 
00081     Resources::FloorPositionedItem *_item3D;
00082     StringPullingPath *_path;
00083 
00084     Math::Vector3d _destination;
00085     Common::Array<Math::Vector3d> _destinations;
00086 
00087     Common::Array<Resources::ItemVisual *> _avoidedItems;
00088 
00089     bool _running;
00090     bool _reachedDestination;
00091     TurnDirection _turnDirection;
00092 
00093     int32 _collisionWaitTimeout;
00094     int32 _collisionWaitCount;
00095     Math::Vector3d _previousPosition;
00096     Math::Vector3d _currentTarget;
00097 };
00098 
00099 } // End of namespace Stark
00100 
00101 #endif // STARK_MOVEMENT_WALK_H


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