<function name="DoImpactEffect" parent="WEAPON" type="hook"> <description>Called so the weapon can override the impact effects it makes. <note>If the bullet was fired in a predicted environment, the hook will not be called on the `CLIENT` realm. </note> <note>This hook will also be triggered but only on the `CLIENT` realm if the bullet was fired from `WEAPON:GetOwner`, no matter whether the bullet was fired in a predicted environment.</note> <note>This hook will also be called when `WEAPON:GetOwner():FireBullets` is called. While in `MULTIPLAYER`, this hook will be called on the respective state, but in `SINGLEPLAYER`, this hook will always be called on the `CLIENT` realm even if `FireBullets` was called on the `SERVER`. </note> </description> <realm>Shared</realm> <args> <arg name="tr" type="table">A <page>Structures/TraceResult</page> from player's eyes to the impact point</arg> <arg name="damageType" type="number">The damage type of bullet. See <page>Enums/DMG</page></arg> </args> <rets> <ret name="" type="boolean">Return true to not do the default thing - which is to call `UTIL_ImpactTrace` in C++</ret> </rets> </function> <example> <description>Makes the SWEP have the AR2 bullet impact effect.</description> <code> function SWEP:DoImpactEffect( tr, nDamageType ) if ( tr.HitSky ) then return end local effectdata = EffectData() effectdata:SetOrigin( tr.HitPos + tr.HitNormal ) effectdata:SetNormal( tr.HitNormal ) util.Effect( "AR2Impact", effectdata ) end </code> </example>