====== Wall material (XG class) ======


  Class = wall_material

Changes the [[material]] of the referenced lines.


===== Parameters =====


^ Prm^ Name^ Type^ Meaning |
| Ip0,Ip1| Target Ref,Target Num| [[xg:refs:lref]] | Reference to one or more lines. |
| Ip2| Side Num| Integer| Zero or one. Specifies the line side to modify. Side zero is the front side. |
| Ip3| Top Texture| Texture| Name of the new upper texture. If not specified, the upper textures of the lines won't be affected. |
| Ip4| Middle Texture| Texture| Name of the new middle texture. If not specified, the middle textures of the lines won't be affected. |
| Ip5| Bottom Texture| Texture| Name of the new lower texture. If not specified, the lower textures of the lines won't be affected. |
| Ip6| Set Mid If None| Integer| If non-zero and Middle Texture (Ip4) is specified - a middle texture will be added to the referenced lines if one wasn't present before. Else, no change will be made. |
| Ip7| Sidedef Flags| Flags| *  sdf_fade_top_mid: Surface colors, fade the top → middle surface colors.  *  sdf_fade_mid_top:  *  sdf_fade_mid_bottom:  *  sdf_fade_bottom_mid: |
| Ip8| Middle Blendmode| [[blendmode]]| Set the blendmode on the middle texture for the referenced sides. |
| Ip9| Top Red Delta| Integer| Offset to the red component of top surface color [0...255]. |
| Ip10| Top Green Delta| Integer| Offset to the green component of top surface color [0...255]. |
| Ip11| Top Blue Delta| Integer| Offset to the blue component of top surface color [0...255]. |
| Ip12| Middle Red Delta| Integer| Offset to the red component of middle surface color [0...255]. |
| Ip13| Middle Green Delta| Integer| Offset to the green component of middle surface color [0...255]. |
| Ip14| Middle Blue Delta| Integer| Offset to the blue component of middle surface color [0...255]. |
| Ip15| Middle Alpha Delta| Integer| Offset to the alpha component of middle surface color [0...255]. |
| Ip16| Bottom Red Delta| Integer| Offset to the red component of Bottom surface color [0...255]. |
| Ip17| Bottom Green Delta| Integer| Offset to the green component of Bottom surface color [0...255]. |
| Ip18| Bottom Blue Delta| Integer| Offset to the blue component of Bottom surface color [0...255]. |



===== Example =====
  
  Line Type {
      ID = 5001
      Comment = "Set front mid material alpha to 50%"
      Flags = player_cross
      Flags2 = when_act | any
      Class = wall_material
      Type = timed_off
      Count = 1
      Time = 1
      Target Ref = line_tagged
      Side = 0
      Middle Alpha Delta = 128
  }

The line is triggered when the player crosses the line (Flags = player_cross). The line is active in any skill mode and any game type (Flags2 = any) and the line carries out it's action when active (Flags2 = when_act). When activated, all lines with the same tag as the crossed line which have a middle material will have its opacity set to 128 (50% opacity).