82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
|
/**
|
||
|
|
* PANDA 3D SOFTWARE
|
||
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
||
|
|
*
|
||
|
|
* All use of this software is subject to the terms of the revised BSD
|
||
|
|
* license. You should have received a copy of this license along
|
||
|
|
* with this source code in a file named "LICENSE."
|
||
|
|
*
|
||
|
|
* @file collisionLevelState.h
|
||
|
|
* @author drose
|
||
|
|
* @date 2002-03-16
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef COLLISIONLEVELSTATE_H
|
||
|
|
#define COLLISIONLEVELSTATE_H
|
||
|
|
|
||
|
|
#include "pandabase.h"
|
||
|
|
|
||
|
|
#include "collisionLevelStateBase.h"
|
||
|
|
#include "collisionNode.h"
|
||
|
|
#include "bitMask.h"
|
||
|
|
#include "doubleBitMask.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This is the state information the CollisionTraverser retains for each level
|
||
|
|
* during traversal.
|
||
|
|
*
|
||
|
|
* This is the template class that specifies the CurrentMask type: the type of
|
||
|
|
* bitmask that is used to keep track of the set of active colliders for each
|
||
|
|
* node.
|
||
|
|
*/
|
||
|
|
template<class MaskType>
|
||
|
|
class CollisionLevelState : public CollisionLevelStateBase {
|
||
|
|
public:
|
||
|
|
// By hiding this template from interrogate, we improve compile-time speed
|
||
|
|
// and memory utilization.
|
||
|
|
#ifndef CPPPARSER
|
||
|
|
INLINE CollisionLevelState(const NodePath &node_path);
|
||
|
|
INLINE CollisionLevelState(const CollisionLevelState<MaskType> &parent,
|
||
|
|
PandaNode *child);
|
||
|
|
INLINE CollisionLevelState(const CollisionLevelState<MaskType> ©);
|
||
|
|
INLINE void operator = (const CollisionLevelState<MaskType> ©);
|
||
|
|
|
||
|
|
INLINE void clear();
|
||
|
|
INLINE void prepare_collider(const ColliderDef &def, const NodePath &root);
|
||
|
|
|
||
|
|
bool any_in_bounds();
|
||
|
|
bool apply_transform();
|
||
|
|
|
||
|
|
INLINE static bool has_max_colliders();
|
||
|
|
INLINE static int get_max_colliders();
|
||
|
|
|
||
|
|
INLINE bool has_collider(int n) const;
|
||
|
|
INLINE bool has_any_collider() const;
|
||
|
|
|
||
|
|
INLINE void omit_collider(int n);
|
||
|
|
|
||
|
|
private:
|
||
|
|
// CurrentMask here is a locally-defined value that simply serves to keep
|
||
|
|
// track of the colliders that are still interested in the current node.
|
||
|
|
// Don't confuse it with CollideMask, which is a set of user-defined bits
|
||
|
|
// that specify which CollisionSolids may possibly intersect with each
|
||
|
|
// other.
|
||
|
|
typedef MaskType CurrentMask;
|
||
|
|
CurrentMask _current;
|
||
|
|
|
||
|
|
friend class CollisionTraverser;
|
||
|
|
#endif // CPPPARSER
|
||
|
|
};
|
||
|
|
|
||
|
|
#include "collisionLevelState.I"
|
||
|
|
|
||
|
|
// Now instantiate a handful of implementations of CollisionLevelState: one
|
||
|
|
// that uses a word-at-a-time bitmask to track the active colliders, and a
|
||
|
|
// couple that use more words at a time.
|
||
|
|
|
||
|
|
typedef CollisionLevelState<BitMaskNative> CollisionLevelStateSingle;
|
||
|
|
typedef CollisionLevelState<DoubleBitMaskNative> CollisionLevelStateDouble;
|
||
|
|
typedef CollisionLevelState<QuadBitMaskNative> CollisionLevelStateQuad;
|
||
|
|
|
||
|
|
#endif
|