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Diffstat (limited to 'source/gameengine/Ketsji/KX_ObstacleSimulation.h')
-rw-r--r-- | source/gameengine/Ketsji/KX_ObstacleSimulation.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/source/gameengine/Ketsji/KX_ObstacleSimulation.h b/source/gameengine/Ketsji/KX_ObstacleSimulation.h new file mode 100644 index 00000000000..d926e8deb71 --- /dev/null +++ b/source/gameengine/Ketsji/KX_ObstacleSimulation.h @@ -0,0 +1,145 @@ +/** +* Simulation for obstacle avoidance behavior +* (based on Cane Project - http://code.google.com/p/cane by Mikko Mononen (c) 2009) +* +* +* $Id$ +* +* ***** BEGIN GPL LICENSE BLOCK ***** +* +* 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 2 +* of the License, or (at your option) any later version. The Blender +* Foundation also sells licenses for use in proprietary software under +* the Blender License. See http://www.blender.org/BL/ for information +* about this. +* +* 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, write to the Free Software Foundation, +* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +* +* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. +* All rights reserved. +* +* The Original Code is: all of this file. +* +* Contributor(s): none yet. +* +* ***** END GPL LICENSE BLOCK ***** +*/ + +#ifndef __KX_OBSTACLESIMULATION +#define __KX_OBSTACLESIMULATION + +#include <vector> +#include "MT_Point2.h" +#include "MT_Point3.h" + +class KX_GameObject; +class KX_NavMeshObject; + +enum KX_OBSTACLE_TYPE +{ + KX_OBSTACLE_OBJ, + KX_OBSTACLE_NAV_MESH, +}; + +enum KX_OBSTACLE_SHAPE +{ + KX_OBSTACLE_CIRCLE, + KX_OBSTACLE_SEGMENT, +}; + +#define VEL_HIST_SIZE 6 +struct KX_Obstacle +{ + KX_OBSTACLE_TYPE m_type; + KX_OBSTACLE_SHAPE m_shape; + MT_Point3 m_pos; + MT_Point3 m_pos2; + MT_Scalar m_rad; + + float vel[2]; + float pvel[2]; + float dvel[2]; + float nvel[2]; + float hvel[VEL_HIST_SIZE*2]; + int hhead; + + + KX_GameObject* m_gameObj; +}; +typedef std::vector<KX_Obstacle*> KX_Obstacles; + +class KX_ObstacleSimulation +{ +protected: + KX_Obstacles m_obstacles; + + MT_Scalar m_levelHeight; + bool m_enableVisualization; + + KX_Obstacle* CreateObstacle(KX_GameObject* gameobj); +public: + KX_ObstacleSimulation(MT_Scalar levelHeight, bool enableVisualization); + virtual ~KX_ObstacleSimulation(); + + void DrawObstacles(); + //void DebugDraw(); + + void AddObstacleForObj(KX_GameObject* gameobj); + void DestroyObstacleForObj(KX_GameObject* gameobj); + void AddObstaclesForNavMesh(KX_NavMeshObject* navmesh); + KX_Obstacle* GetObstacle(KX_GameObject* gameobj); + void UpdateObstacles(); + virtual void AdjustObstacleVelocity(KX_Obstacle* activeObst, KX_NavMeshObject* activeNavMeshObj, + MT_Vector3& velocity, MT_Scalar maxDeltaSpeed,MT_Scalar maxDeltaAngle); + +}; +class KX_ObstacleSimulationTOI: public KX_ObstacleSimulation +{ +protected: + int m_maxSamples; // Number of sample steps + float m_minToi; // Min TOI + float m_maxToi; // Max TOI + float m_velWeight; // Sample selection angle weight + float m_curVelWeight; // Sample selection current velocity weight + float m_toiWeight; // Sample selection TOI weight + float m_collisionWeight; // Sample selection collision weight + + virtual void sampleRVO(KX_Obstacle* activeObst, KX_NavMeshObject* activeNavMeshObj, + const float maxDeltaAngle) = 0; +public: + KX_ObstacleSimulationTOI(MT_Scalar levelHeight, bool enableVisualization); + virtual void AdjustObstacleVelocity(KX_Obstacle* activeObst, KX_NavMeshObject* activeNavMeshObj, + MT_Vector3& velocity, MT_Scalar maxDeltaSpeed,MT_Scalar maxDeltaAngle); +}; + +class KX_ObstacleSimulationTOI_rays: public KX_ObstacleSimulationTOI +{ +protected: + virtual void sampleRVO(KX_Obstacle* activeObst, KX_NavMeshObject* activeNavMeshObj, + const float maxDeltaAngle); +public: + KX_ObstacleSimulationTOI_rays(MT_Scalar levelHeight, bool enableVisualization); +}; + +class KX_ObstacleSimulationTOI_cells: public KX_ObstacleSimulationTOI +{ +protected: + float m_bias; + bool m_adaptive; + int m_sampleRadius; + virtual void sampleRVO(KX_Obstacle* activeObst, KX_NavMeshObject* activeNavMeshObj, + const float maxDeltaAngle); +public: + KX_ObstacleSimulationTOI_cells(MT_Scalar levelHeight, bool enableVisualization); +}; + +#endif |