Abstract
In order to solve the error of simulation result because of data loss in VR-Link traditional simulation framework, in this paper data transfer mechanism of instance attribute on VR-Link object class is researched in detail. Registration method of call-back function is given, and the key codes of relevant steps are published. The problem of data loss is solved by the call-back function of VR-Link.
Highlights
1 Introduction In HLA simulation applications developed based on MAK RTI, VR-Link is generally used to develop HLA framework code to achieve network communication for simulation applications
Before the simulation thread updates the HLA object instance properties owned by the member, the other object class information needed is obtained by traversing the reflection object list, and the reflection object list is automatically generated by the VR-Link framework code according to the RTI working mechanism
The process of publishing the object class completes the following tasks: First, the global exercise pointer and object class instance name "ClassA" represented by the DtExerciseConn class instance are passed to the base class DtObjectPublisher of the publishing object class, so that the base class gets the publishing object class The basic information required; second, the local state repository and the remote state repository are specified for the base class; third, the setHlaObject function of the published base class is used to indicate which instance of the object class is to be published, and the encoding used for the object instance And decoder
Summary
In HLA simulation applications developed based on MAK RTI, VR-Link is generally used to develop HLA framework code to achieve network communication for simulation applications. Before the simulation thread updates the HLA object instance properties owned by the member, the other object class information needed is obtained by traversing the reflection object list, and the reflection object list is automatically generated by the VR-Link framework code according to the RTI working mechanism. Even under the same input conditions, the simulation output or result will not be exactly the same, and there will always be a certain difference. In order to solve the problem of "lost counts" in the HLA framework code based on VR-Link and realize the passive notification process of the simulated members, this article.
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