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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /APEX_1.4/shared/internal/include/Link.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'APEX_1.4/shared/internal/include/Link.h')
| -rw-r--r-- | APEX_1.4/shared/internal/include/Link.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/APEX_1.4/shared/internal/include/Link.h b/APEX_1.4/shared/internal/include/Link.h new file mode 100644 index 00000000..d006d5b1 --- /dev/null +++ b/APEX_1.4/shared/internal/include/Link.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2008-2015, NVIDIA CORPORATION. All rights reserved. + * + * NVIDIA CORPORATION and its licensors retain all intellectual property + * and proprietary rights in and to this software, related documentation + * and any modifications thereto. Any use, reproduction, disclosure or + * distribution of this software and related documentation without an express + * license agreement from NVIDIA CORPORATION is strictly prohibited. + */ + +#ifndef LINK_H +#define LINK_H + +#include "PxSimpleTypes.h" +#include "PxAssert.h" + +namespace nvidia +{ +namespace apex +{ + +class Link +{ +public: + Link() + { + adj[1] = adj[0] = this; + } + + virtual ~Link() + { + remove(); + } + + /* + which = 0: (-A-...-B-link-) + (-this-X-...-Y-) = (-A-...-B-link-this-X-...-Y-) + which = 1: (-X-...-Y-this-) + (-link-A-...-B-) = (-X-...-Y-this-link-A-...-B-) + */ + void setAdj(uint32_t which, Link* link) + { + uint32_t other = (which &= 1) ^ 1; + Link* linkAdjOther = link->adj[other]; + adj[which]->adj[other] = linkAdjOther; + linkAdjOther->adj[which] = adj[which]; + adj[which] = link; + link->adj[other] = this; + } + + Link* getAdj(uint32_t which) const + { + return adj[which & 1]; + } + + void remove() + { + adj[1]->adj[0] = adj[0]; + adj[0]->adj[1] = adj[1]; + adj[1] = adj[0] = this; + } + + bool isSolitary() const + { + PX_ASSERT((adj[0] == this) == (adj[1] == this)); + return adj[0] == this; + } + +protected: + Link* adj[2]; +}; + +} +} // end namespace nvidia::apex + + +#endif // #ifndef LINK_H |