Mapdev:specular

Specular

Gives you per-pixel control over the color and intensity of specular highlights anywhere on the map. You could eg. make all highlights red, or have them depend on the type of material that a pixel represents, or something more exotic Alpha defines how "polished" the surface looks, and and the RGB color is the amount of light that gets reflected for each color channel

	Caution
	requires clients to have GLSL-spec hardware

Example Specular Texture	Ingame Result

Specification

mapinfo.lua

The relevant sections of the mapinfo.lua

• If specularTex points to a file that does not exist, you will get full unmoderated specularity based on whatever your map's lighting settings are

local mapinfo = {
   resources = {
      ...
      specularTex = "",
      ...
   },
   ...
   lighting = {
      ...
      groundSpecularColor = {0.1, 0.1, 0.1},
      ...
   },
   ...
}

Image File

• Image Location: ./maps/
• 8 bpp RGBA, any resolution (it will be stretched over the whole terrain).
• The RGB channels will control the red, green, and blue contribution per highlight
• The alpha channel (multiplied by 16) becomes the specular exponent. Or on other words controls the sharpness of the specular highlights, the higher the value the sharper the highlights.
• There is no size requirement on the specular texture, it will be stretched/shrunk to fit the map.
• You have to set the RGB values to zero if you want no specular contribution

	Caution
	Do not set the alpha value of the specular texture to zero, or you will get the below graphical artefacts. Use almost zero instead.

Forum Discussion

• Make Your Maps Shiny(er) With SSMF