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source: orxonox.OLD/branches/gui/src/lib/collision_reaction/cr_engine.h @ 8250

Last change on this file since 8250 was 8145, checked in by bensch, 19 years ago

trunk: merged the gui back
merged with command:
svn merge -r8114:HEAD https://svn.orxonox.net/orxonox/branches/gui .
→ no conflicts

File size: 1.8 KB
Line 
1/*!
2 * @file cr_engine.h
3 * @brief The collision reaction engine, defining generic collision reactions to collision events
4*/
5
6#ifndef _CR_ENGINE_
7#define _CR_ENGINE_
8
9#include "base_object.h"
10#include <stdarg.h>
11#include <vector>
12
13// FORWARD DECLARATION
14class CollisionHandle;
15class Collision;
16class WorldEntity;
17
18//! A default singleton class.
19class CREngine : public BaseObject
20{
21
22  public:
23  typedef enum CRType {
24    CR_PHYSICS_MOMENTUM   = 0,
25    CR_PHYSICS_GROUND,
26    CR_PHYSICS_GROUND_WALK,
27
28    CR_OBJECT_DAMAGE,
29    CR_OBJECT_PICKUP,
30
31    CR_VERTEX_TRAFO,
32
33    CR_SPECIAL_CALLBACK,
34
35    CR_NUMBER
36  };
37
38  virtual ~CREngine(void);
39
40  /** @returns a Pointer to the only object of this Class */
41  inline static CREngine* getInstance(void) { if (!singletonRef) singletonRef = new CREngine();  return singletonRef; };
42
43
44  CollisionHandle* subscribeReaction(WorldEntity* worldEntity, CRType type, int nrOfTargets, ...);
45
46  bool unsubscribeReaction(WorldEntity* worldEntity);
47  bool unsubscribeReaction(CollisionHandle* collisionHandle);
48
49
50  void handleCollisions();
51
52  /** @returns an instance to a collision object. instead of creating new object this ones can be resycled */
53  inline Collision* getCollisionObject() { /* return the first element of the cache list*/ }
54  /** @param collision: returns the Collision object back to the cache list */
55  inline void putCollisionObject(Collision* collision) { this->cachedCollisions.push_back(collision); }
56
57
58private:
59  CREngine(void);
60
61
62private:
63  std::vector<CollisionHandle*>       collisionHandles;         //!< list with the collision handles
64  std::vector<Collision*>             cachedCollisions;         //!< a list of unused, cached collision events
65
66  static CREngine*                    singletonRef;             //!< the reference to the CREngine object (singleton)
67};
68
69#endif /* _CR_ENGINE_ */
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