// vim:ts=4:sw=4:cindent

fogs/real_fog
{
	noShadows
	blendLight
	description	"A blend light instead of a foglight. Works best when covering the entire map and bound to the player, but can also look better (no artefacts) than real foglights. Does not fog any postprocess surface, like water or sky. These need to be colored sep. to match the fog color, either by using custom materials on them, or by putting a patch over them with textures/darkmod/fogs/real_fog_layer_moving on it."
	qer_editorimage	textures/fog/realfog

	{
                	blend add
		//map   textures/fog/realfog_thinner
		map     textures/common/nodraw		//suppress console warning. The actual image has been missing for years, so mappers have been using the material without an image all this time anyway
		zeroclamp   // make sure it doesn't bleed over the edges
	}
}

// Tels 2010-09-23
fogs/real_fog_moving
{
	description	"A blend light instead of a foglight. Works best when covering the entire map and bound to the player, but can also look better (no artefacts) than real foglights. Does not fog any postprocess surface, like water or sky. These need to be colored sep. to match the fog color, either by using custom materials on them, or by putting a patch over them with textures/darkmod/fogs/real_fog_layer_moving on it."

	noShadows
	blendLight
	{
		blend add
		map      textures/fog/realfog
		zeroclamp   // make sure it doesn't bleed over the edges
	}
	{
		blend add
		map		textures/lights/clouds.tga
		scroll	time * (parm5 + 1) * 0.008, 0
	}
}

// Tels 2010-09-23
fogs/real_fog_thin_moving
{
	description	"Thin version of real_fog_moving, usable for swamp areas. Set 'shaderParm5' to set the moving speed, values around 1 look good. Set 'shaderParm6' to control the density, values from 0 to 0.90. A blend light instead of a foglight. Works best when covering the entire map and bound to the player, but can also look better (no artefacts) than real foglights. Does not fog any postprocess surface, like water or sky. These need to be colored sep. to match the fog color, either by using custom materials on them, or by putting a patch over them with textures/darkmod/fogs/real_fog_layer_moving on it."

	noShadows
	blendLight
	{
		blend add
		map	textures/fog/realfog_thin
		rgb 0.01 + parm6		// thin it out
		zeroclamp	// make sure it doesn't bleed over the edges
	}
	{
		blend add
		map	textures/lights/clouds.tga
		rgb 0.4 + parm6 / 2		// thin it out
		scroll	time * parm5 * 0.008, 0
	}
}

// Tels 2010-09-23
textures/darkmod/fogs/real_fog_layer_moving
{
	description	"Apply to a thin patch to get a moving layer of fog. Set 'shaderParm5' on the entity to set the moving speed, values around 1 look good."
	noShadows
	translucent
	twosided

	{
		blend add
		map	textures/fog/realfog_thin
		rgb 0.05 + parm6		// thin it out
		zeroclamp	// make sure it doesn't bleed over the edges
	}
	{
		blend add
		map	textures/lights/clouds.tga
		scroll	time * parm5 * 0.008, 0
		rgb 0.5	+ parm6 / 2		// thin it out
		zeroclamp	// make sure it doesn't bleed over the edges
	}
}

fogs/basicFog
{
	noShadows
	fogLight			// tell the engine it is fog and not a light

        {
	

		map		_fog    // the internal fog image
		colored			// take RGBA from entity shaderparms
		
	}
}

fogs/glare
{
	description			"Glare SFX fog light"
	blendLight
	noShadows
	lightFalloffImage	lights/squarelight1a
	{
		blend		add					// add on top of alpha blend on surfaces
		map			lights/squarelight1
		zeroclamp						// make sure it doesn't bleed over the edges
		colored							// take RGBA from entity shaderparms
	}
}

fogs/glare2
{
	description			"Glare SFX fog light"
	blendLight
	noShadows
	lightFalloffImage	lights/squarelight1a
	{
		blend		add					// add on top of alpha blend on surfaces
		map			lights/spot01
		zeroclamp						// make sure it doesn't bleed over the edges
		colored							// take RGBA from entity shaderparms
	}
}

tdm_fogs/cloud_fog
{
	description			"Cloudy foglight, which can be colored."
	fogLight			// tell the engine it is fog and not a light
	noShadows
	{
		map				lights/spot01
		colored			// take rgba from entity shaderparms
	}
}

// legacy fog material
fogs/delta1_fog
{
	fogLight
	noShadows
	{
		map		_fog
		alpha	0.5
		colored
	}
}


fogs/lava_fog
{
   noShadows
   blendLight
   {
      blend add
      map      textures/fog/lavafog
      zeroclamp   // make sure it doesn't bleed over the edges
   }
}

////////////////Usage//////////////////////

/*
// sets up the fog for this level - make a map script with this in it. -- Dram
// created from an example on www.doom3world.org

void setup_objects()
{
      entity foglight;
   $foglight = sys.spawn( "light" );
      $foglight.setShader( "fogs/lava_fog" );
     $foglight.setRadius( 15850 );
     
   $foglight.bindPosition( $player1 );
   $foglight.setOrigin( '0 0 0' );
}

// function that executes when script is loaded

void main ()
{
   setup_objects ();
   sys.print( "Fog created!\n" );
}

*/


fogs/pitFog_to_black
{
	lightFalloffImage		lights/xfalloff.tga

	fogLight			// tell the engine it is fog and not a light
	noShadows
	{
		map		_fog	// the internal fog image
		colored			// take rgba from entity shaderparms
	}
}