Zh/$phong

$phong是一个用于着色器 VertexLitGeneric 的材质(en)着色器(en)参数，可在所有的 起源 游戏，自从 起源2006 以来中使用。

冯氏着色器为爱莉克斯的皮肤、发带和嘴唇提供了高光。

它提供低强度的  漫反射 和顶点强度的  镜面高光，由控制每个纹素强度的纹理遮罩。有关完整解释，请参见 冯氏材质(en)。

注意:LightmappedGeneric 和 WorldVertexTransition 的冯氏着色功能只在 CS：GO 引擎分支 中可用。It requires the material to be lit by the sunlight from a env_cascade_light entity to work properly and uses the dynamic shadows generated by it as a mask on top of the traditional phong masking.

注意:在 Mapbase中也提供了 LightmappedGeneric 的冯氏着色功能，但实现方式有所不同。

语法

$phong <bool(en)>

注意:All parameters in the following example must be specified in the material, otherwise Phong shading won't show up at all, except in Insurgency.

待完善: Other games that don't require all phong parameters present (likely Portal 2 and up)

VertexLitGeneric
{
	$phong 1

	$bumpmap				[贴图]
	$phongexponent			5			// either/or
	$phongexponenttexture	[贴图]	// either/or
	$phongboost				1.0
	$phongfresnelranges		"[0 0.5 1]"
}

参数

蒙版

警告:There are some caveats regarding $normalmapalphaenvmapmask and $selfillumfresnel when using $phong!

• Using $selfillumfresnel without $normalmapalphaenvmapmask will mask the $envmap using the $basetexture's alpha channel.
• Using $selfillumfresnel with $normalmapalphaenvmapmask will multiply the $envmap by 0.0f. Effectively disabling the effect!
• When not using $selfillumfresnel. The mask used for $envmap will be the $basetexture's alpha channel unless $normalmapalphaenvmapmask is also used.
• If $normalmapalphaenvmapmask is used, the $bumpmap's alpha channel will be used for Phong masking. Using either $basemapalphaphongmask or $basemapluminancephongmask will override it.

$bumpmap $basemapalphaphongmask $basemapluminancephongmask $phongexponent $phongexponenttexture $phongexponentfactor $invertphongmask $forcephong $diffuseexp $shinyblood $shinybloodexponent

亮度

$phongboost $phongfresnelranges $phongdisablehalflambert

色彩

$phongalbedotint $phongalbedoboost

The Hunter without and with its $phongwarptexture, showing how it affects the Phong reflection.

$phongtint

Breakdown of the $phongwarptexture: computed coordinates, texture and result

$phongwarptexture

Brush phong in 反恐精英：全球攻势 using tile/hr_t/inferno/tile_a. Note the complete absence of the reflection in the shaded area.

笔刷/固体着色器参数(仅存在于 之中)

$phongmaskcontrastbrightness $phongamount $phongbasetint

控制台命令

mat_phong <布尔值(en)>

禁用或启用冯氏反射渲染。默认为 1。

另见

• 冯氏材质(en)
• $envmap（环境贴图）
• $lightwarptexture
• $rimlight
• $Phong on brushes*: The Hacky Way (a TF2maps.net guide on how to fake $Phong on brushes for games prior to CS:GO)
• SubstancePainter Source Engine Complex Phong Shader