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--- dev:core:train [2023-01-12 10:48]
ywang
+++ dev:core:train [2023-05-24 20:57] (current)
orwell Add more fields, remove some fields that have been removed in the tss update
@@ Line 9: / Line 9: @@
 ^ Key ^ Description ^ Type ^
+| ''id'' | Train ID | String |
 | ''acceleration'' | The acceleration the train is performing | Number, in m/s/s |
 | ''drives_on'' | A table showing which type of track the train drives on | Table |
 | ''max_speed'' | The speed a train can go at | Number, in m/s |
-| ''trainparts'' | The carriages in a train | Table |
+| ''trainparts'' | Table of wagon IDs of the wagons of the train | Table |
 | ''is_shunt'' | Train in shunt mode? | Boolean |
 | ''speed_restriction'' | The speed a train is allowed to go at | Number, in m/s |
+| ''speed_restrictions_t'' | The speed restrictions applied to the train | Table |
 | ''routingcode'' | The routing code of a train | String |
 | ''line'' | The line of a train | String |
+| ''text_outside'', ''text_inside'' | Outside and inside display texts | String |
 | ''velocity'' | The speed of a train | Number, in m/s |
-| ''movedir'' | Direction of movement (see notes below) | Number (?) |
+| ''tarvelocity'' | The target speed of current ATC control | Number, in m/s |
-| ''brake'' | Wether brakes are enabled | Boolean |
+| ''last_pos'' | World position of tip of train (to restore path) | Vector |
-| ''path'' | table of key-co-ordinate table pairs | Table |
+| ''last_connid'' | Connid (see [[dev:core:conns]]) of last_pos pointing forward | Number |
-| ''id'' | Train ID | String |
+| ''last_frac'' | Fractional index offset from last_pos (see [[dev:core:path]]) | Number |
+| ''atc_command'' | Yet uninterpreted part of current ATC command | String |
+| ''autocouple'' | Whether train will couple on next collision | Boolean |
+| ''ars_disable'' | Whether ARS is disabled | Boolean |
+Dynamic (runtime) values:
-Note that the ''movedir'' field is no longer set. The only reference found in the current source code suggests that the field is used to indicate the direction of the train as a binary state.
+^ Key ^ Description ^ Type ^
+| ''path'' | table of key-co-ordinate table pairs -> see path.lua | Table |
+| ''path_cp/cn'', ''path_dist'', ... | auxiliary tables for path -> see path.lua | Table |
+| ''index'' | Exact position of the front tip of the train on its ''path''. The integer part tells the index in the path table, the fractional part the offset forward towards the next path item | Number |
+| ''end_index'' | Calculated from ''index'', index of the rear tip of the train | Number |
+| ''no_step'' | If true, train skips all train steps (used for trains whose track is not found) | Boolean |
+| ''lever'' | The current lever value (as determined either by user control or by ATC/LZB) | Number (enum-like) |
+| ''ctrl_user'' | The lever input from the player (train driver) if present | Number (enum-like) |
+| ''lzb'' | State table of LZB subsystem (see lzb.lua) | Table |

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