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Author	SHA1	Message	Date
Christopher Head	bc9d4c2d5a	Use VM transactions for conductor state changes. ... VoxelManipulator-based transactions are used to hopefully speed up scanning and replacing of networks of conductors when receptors start or stop driving signals into them.	2016-08-24 00:42:40 -07:00
Christopher Head	6d79272ed4	Implement VoxelManipulator-based transactions. ... Rather than calling out through the Lua-to-C API for each node that needs to be read or written, a group of map reads (and optionally writes) can be grouped into a transaction. Access to map data within the transaction is provided at high speed by means of VoxelManipulators. Once the reads and writes are finished, the transaction can be committed or aborted.	2016-08-24 00:42:38 -07:00
Christopher Head	564cee346a	Use VoxelManipulators for get_node_force. ... A VoxelManipulator, when asked to read a mapblock, in addition to making that mapblock available to the caller, also pulls it into the server’s map cache, thus making get_node calls in the immediate future succeed. This has the dual advantages that not every mapblock containing a Mesecons circuit need remain loaded at all times (rather mapblocks can be loaded on demand as signals are sent), and that the server need not bother running ABMs and ticking entities within those mapblocks that are loaded due to Mesecons signalling.	2016-08-24 00:41:47 -07:00
Christopher Head	53eaf2af11	Remove an obsolete comment.	2016-08-16 00:16:24 -07:00