Template:I BaseTrain

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BaseTrain:

SetSpeed  <float>
Set the speed of the train, as a ratio of max speed [0, 1]
SetSpeedDir  <float>
Set the speed of the train, as a ratio of max speed. Negative values reverse the direction [-1, 1]
SetSpeedReal  <float>
Set the speed of the train. Must be a positive value from 0 to max speed.
SetSpeedDirAccel  <float>
Accel/Decel to the specified speed, as a ratio of max speed. Negative values reverse the direction [-1, 1]
SetSpeedForwardModifier  <float>
Applies the given modifier to all forward speeds. [0, 1]
TeleportToPathTrack  <targetname>
Teleport the train to the designated path track.
Stop
Stop the train.
StartForward
Start the train moving forward.
StartBackward
Start the train moving backward.
Bug: If the train's corresponding path_tracks do not have "New Train Speed" set to a nonzero number, StartBackward will exhibit undesired behavior including the train freezing or moving in the wrong direction. This bug can be a pain if the train needs to ride through the path_track again at a different speed. This can be fixed by firing an "addOutput speed '#'" input at the path_track in question.
Resume
Resume the train moving in the current direction after it was stopped via the Stop or Toggle input.
Reverse
Reverse the direction of the train.
Toggle
Toggle the train between start and stop.

Targetname:

Kill
Removes this entity and any entities parented to it from the world.
KillHierarchy
Functions the same as Kill, although entities with a large number of children are killed marginally faster.
AddOutput  <string>
Evaluates a keyvalue/output on this entity. It can be potentially very dangerous, use with care.
Format: <key> <value>
Format: <output name> <targetname>:<inputname>:<parameter>:<delay>:<max times to fire, -1 means infinite>
FireUser1 to FireUser4
Fire the OnUser outputs; see User Inputs and Outputs.
Use  !FGD
Same as a player invoking +use; may not do anything. Can also be invoked by creating an output that does not specify an input.
This input is not included in Valve's FGDs.
RunScriptFile  <script> (New with Left 4 Dead 2)
Execute a VScript file from disk, without file extension. The script contents are merged with the script scope of the receiving entity.
RunScriptCode  <string> (New with Left 4 Dead 2)
Execute a string of VScript source code in the scope of the entity receiving the input. String quotation may be needed when fired via console.
Bug:  In <Left 4 Dead 2>, the code is executed in the script scope of the entity that fires the output, not the one receiving the input.
Warning: Never try to pass string parameters to a script function with this input. It will corrupt the VMF structure because of the nested quotation marks, which then must be removed manually with a text editor.
CallScriptFunction  <string> (New with Left 4 Dead 2) !FGD
Execute a VScript function in the scope of the receiving entity.
Note:This input is missing from some games FGD files.
SetLocalOrigin  <origin> (New with Alien Swarm) !FGD
Set this entity's origin in the map.
Note:This input is missing from some games FGD files.
SetLocalAngles  <angles> (New with Alien Swarm) !FGD
Set this entity's angles in the map.
Note:This input is missing from some games FGD files.

Parentname:

SetParent  <string>
Move with this entity. See Entity Hierarchy (parenting).
SetParentAttachment  <string>
Change this entity to attach to a specific attachment point on its parent. The entity will teleport so that the position of its root bone matches that of the attachment. Entities must be parented before being sent this input.
SetParentAttachmentMaintainOffset  <string>
As above, but without teleporting. The entity retains its position relative to the attachment at the time of the input being received.
ClearParent
Removes this entity from the the movement hierarchy, leaving it free to move independently.

RenderFields:

Alpha  <integer>
Sets the entity's transparency to a number from 0 (invisible) to 255 (fully visible). Requires the entity to have its Render Mode (rendermode) set to a number other than 0.
Color  <color255>
Sets an RGB color for the entity.

Shadow:

DisableShadow
Turn shadow off.
EnableShadow
Turn shadow on.
DisableReceivingFlashlight  (New with Portal 2)
This object will not receive light or shadows from projected textures.
EnableReceivingFlashlight  (New with Portal 2)
This object may receive light or shadows from projected textures.