<enum> <description>Surface flags, used by the <page>TraceResult</page>.</description> <description>Surface flags, used by the <page>Structures/TraceResult</page>.</description> <items> <item key="SURF_LIGHT" value="1">Value will hold the light strength</item> <item key="SURF_SKY2D" value="2">The surface is a 2D skybox</item> <item key="SURF_SKY" value="4">This surface is a skybox, equivalent to HitSky in <page>TraceResult</page></item>⤶ <item key="SURF_SKY" value="4">This surface is a skybox, equivalent to HitSky in <page>Structures/TraceResult</page></item>⤶ <item key="SURF_WARP" value="8">This surface is animated water</item> <item key="SURF_TRANS" value="16">This surface is translucent</item> <item key="SURF_NOPORTAL" value="32">This surface cannot have portals placed on, used by Portal's gun</item> <item key="SURF_TRIGGER" value="64">This surface is a trigger</item> <item key="SURF_NODRAW" value="128">This surface is an invisible entity, equivalent to HitNoDraw in <page>TraceResult</page></item>⤶ <item key="SURF_NODRAW" value="128">This surface is an invisible entity, equivalent to HitNoDraw in <page>Structures/TraceResult</page></item>⤶ <item key="SURF_HINT" value="256">Make a primary bsp splitter</item> <item key="SURF_SKIP" value="512">This surface can be ignored by impact effects</item> <item key="SURF_NOLIGHT" value="1024">This surface has no lights calculated</item> <item key="SURF_BUMPLIGHT" value="2048">Calculate three lightmaps for the surface for bumpmapping</item> <item key="SURF_NOSHADOWS" value="4096">No shadows are cast on this surface</item> <item key="SURF_NODECALS" value="8192">No decals are applied to this surface</item> <item key="SURF_NOCHOP" value="16384">Don't subdivide patches on this surface</item> <item key="SURF_HITBOX" value="32768">This surface is part of an entity's hitbox</item> </items> </enum>