View source for Effect flags

{{lang|Effect flags|title=Effect Flags}}[[Category:Flags]]
A set of bitflags for configuring client-side visual effects.

== Usage From Hammer ==
Effect flags can be configured from Hammer. To do so, turn off [[SmartEdit]] and add a new keyvalue pair:

 effects <n>

"<code style=padding:0>n</code>" is the sum total of the flags you want to use. For example, 66 would mean <code>EF_BRIGHTLIGHT</code> and <code style=padding:0>EF_NORECEIVESHADOW</code>.

Alternatively, you can add the following code (or similar) to the [[FGD]] entries of entities you wish to use effect flags on:
 effects(choices) : "Effect Flags" : 0 : "For configuring visual effects. If you want to combine effects, simply type in the sum of the effect numbers, e.g., '72' for 64+8." =
 [
 	0: "None"
 	1: "Bonemerge always (very expensive!)"
 	2: "Bright, dynamic light at entity origin"
 	4: "Dim, dynamic light at entity origin"
 	8: "No movement interpolation"
 	16: "Don't cast shadows"
 	32: "Don't draw entity (entity is fully ignored by clients, NOT server; can cause collision problems)"
 	64: "Don't receive dynamic shadows"
 	128: "Bonemerge only in PVS, better performance but prone to disappearing. Use with Bonemerge."
 	256: "Unsubtle blink"
 	512: "Flag parent as always animating and realign each frame"
 ]
If you wish to use effect flags on enough entity classes, it may be worthwhile to create or modify a <code>BaseClass</code> instead of adding code to numerous entity classes individually.
{{tip|Effect flags are enabled by default in {{teamSpen|4}}.}}

== Flags ==
;1     - {{ent|EF_BONEMERGE}}:Merges bones of names shared with a parent entity to the position and direction of the parent's.
;2     - {{ent|EF_BRIGHTLIGHT}}:Emits a dynamic light of RGB(250,250,250) and a random radius of 400 to 431 from the origin.
;4     - {{ent|EF_DIMLIGHT}}:Emits a dynamic light of RGB(100,100,100) and a random radius of 200 to 231 from the origin.
;8     - <code style=padding:0>EF_NOINTERP</code>:Don't [[interpolation|interpolate]] on the next frame.{{warning|Causes crashes.}}
;16    - {{ent|EF_NOSHADOW}}:Don't create a render-to-texture shadow, does not affect projected texture shadows.{{note|Same as <code style{{=}}padding:0>disableshadows 1</code>.}}
;32    - {{ent|EF_NODRAW}}:Entity is completely ignored by the client, and stops drawing the entity. Can cause prediction errors if a player proceeds to collide with it on the server, so use {{ent|Render Modes|alt=rendermode|10}} instead if this is a problem.
;64    - <code style=padding:0>EF_NORECEIVESHADOW</code>:Don't receive dynamic shadows.{{note|Same as <code style{{=}}padding:0>disablereceiveshadows 1</code>.}}
;128   - {{ent|EF_BONEMERGE_FASTCULL}}:For use with <code style=padding:0>EF_BONEMERGE</code>. If set, the entity will use its parent's origin to calculate whether it is visible; if not set, it will set up parent's bones every frame even if the parent is not in the [[PVS]].
;256   - {{ent|EF_ITEM_BLINK}}:Blink an item so that the user notices it. Added for original Xbox, and not very subtle.
;512   - {{ent|EF_PARENT_ANIMATES}}:Assume that the [[parent]] entity is always animating. Causes it to realign every frame.{{Note|Does not function with the <code>effects</code> keyvalue.}}
;1024  - <code style=padding:0>EF_MARKED_FOR_FAST_REFLECTION</code>:Marks the entity to render in fast water reflections.{{note|Same as <code style{{=}}padding:0>drawinfastreflection 1.</code>}}
;2048  - <code style=padding:0>EF_NOSHADOWDEPTH</code>:Stops {{ent|env_cascade_lighting}} and {{ent|env_projectedtexture}} from making shadows for this entity.{{note|Same as <code style{{=}}padding:0>disableshadowdepth 1</code>.}}
;4096  - <code style=padding:0>EF_SHADOWDEPTH_NOCACHE</code>:Don't cache this entity into shadow depthmaps, update it every frame.
;8192  - <code style=padding:0>EF_NOFLASHLIGHT</code>:Stops projected textures from making shadows for this entity.{{note|Same as <code style{{=}}padding:0>disableflashlight 1</code>.}}
;16384 - <code style=padding:0>EF_NOCSM</code> {{csgo|since}}:Don't cast shadows from cascade shadow maps.
== Functions ==
*<code>AddEFlags()</code> / <code>SetEFlags()</code>
*<code>RemoveEFlags()</code>
*<code>GetEFlags()</code>
*<code>IsEFlagSet()</code>
== See Also ==
* <code style=padding:0>[http://wiki.sourcepython.com/_modules/entities/constants.html entities.constants]</code>
* [[Non-FGD features]]
* [[Render Modes]]