Material Flags
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Material $flags and $flags2 parameters control how the material is rendered. $flag can be changed in real-time to allow changes in rendering, but $flags2 is read-only and assists the engine or other code in using the material correctly.
The flags can also be set via the .vmt Example:
#Sets the MATERIAL_VAR_VERTEXCOLOR and MATERIAL_VAR_VERTEXALPHA flag
UnlitGeneric
{
$basetexture brick/brickwall003a
$vertexcolor 1
$vertexalpha 1
}
$flags
$flags can contain the following flags:
| Flag | Value | Comment |
| MATERIAL_VAR_DEBUG | 0x0001 | |
| MATERIAL_VAR_NO_DEBUG_OVERRIDE | 0x0002 | |
| MATERIAL_VAR_NO_DRAW | 0x0004 | |
| MATERIAL_VAR_USE_IN_FILLRATE_MODE | 0x0008 | |
| MATERIAL_VAR_VERTEXCOLOR | 0x0010 | $vertexalpha |
| MATERIAL_VAR_VERTEXALPHA | 0x0020 | $vertexalpha |
| MATERIAL_VAR_SELFILLUM | 0x0040 | |
| MATERIAL_VAR_ADDITIVE | 0x0080 | |
| MATERIAL_VAR_ALPHATEST | 0x0100 | |
| MATERIAL_VAR_MULTIPASS | 0x0200 | |
| MATERIAL_VAR_ZNEARER | 0x0400 | |
| MATERIAL_VAR_MODEL | 0x0800 | |
| MATERIAL_VAR_FLAT | 0x1000 | |
| MATERIAL_VAR_NOCULL | 0x2000 | |
| MATERIAL_VAR_NOFOG | 0x4000 | |
| MATERIAL_VAR_IGNOREZ | 0x8000 | |
| MATERIAL_VAR_DECAL | 0x10000 | |
| MATERIAL_VAR_ENVMAPSPHERE | 0x20000 | |
| MATERIAL_VAR_NOALPHAMOD | 0x40000 | |
| MATERIAL_VAR_ENVMAPCAMERASPACE | 0x80000 | |
| MATERIAL_VAR_BASEALPHAENVMAPMASK | 0x100000 | |
| MATERIAL_VAR_TRANSLUCENT | 0x200000 | |
| MATERIAL_VAR_NORMALMAPALPHAENVMAPMASK | 0x400000 | |
| MATERIAL_VAR_NEEDS_SOFTWARE_SKINNING | 0x800000 | |
| MATERIAL_VAR_OPAQUETEXTURE | 0x1000000 | |
| MATERIAL_VAR_ENVMAPMODE | 0x2000000 | |
| MATERIAL_VAR_SUPPRESS_DECALS | 0x4000000 | |
| MATERIAL_VAR_HALFLAMBERT | 0x8000000 | |
| MATERIAL_VAR_WIREFRAME | 0x10000000 | |
| MATERIAL_VAR_ALLOWALPHATOCOVERAGE | 0x20000000 | |
| MATERIAL_VAR_IGNORE_ALPHA_MODULATION | 0x40000000 |
$flags2
$flags2 can contain the following flags:
| Flag | Value | Comment |
| MATERIAL_VAR2_LIGHTING_UNLIT | 0x0000 | |
| MATERIAL_VAR2_LIGHTING_VERTEX_LIT | 0x0001 | |
| MATERIAL_VAR2_LIGHTING_LIGHTMAP0 | 0x0002 | |
| MATERIAL_VAR2_LIGHTING_BUMPED_LIGHTMAP | 0x0004 | |
| MATERIAL_VAR2_LIGHTING_MASK 0x0001 + 0x0002 + 0x0004 | ||
| MATERIAL_VAR2_DIFFUSE_BUMPMAPPED_MODEL | 0x0008 | |
| MATERIAL_VAR2_USES_ENV_CUBEMAP | 0x0010 | |
| MATERIAL_VAR2_NEEDS_TANGENT_SPACES | 0x0020 | |
| MATERIAL_VAR2_NEEDS_SOFTWARE_LIGHTING | 0x0040 | |
| MATERIAL_VAR2_BLEND_WITH_LIGHTMAP_ALPHA | 0x0080 | |
| MATERIAL_VAR2_NEEDS_BAKED_LIGHTING_SNAPSHOTS | 0x0100 | |
| MATERIAL_VAR2_USE_FLASHLIGHT | 0x0200 | |
| MATERIAL_VAR2_USE_FIXED_FUNCTION_BAKED_LIGHTING | 0x0400 | |
| MATERIAL_VAR2_NEEDS_FIXED_FUNCTION_FLASHLIGHT | 0x0800 | |
| MATERIAL_VAR2_USE_EDITOR | 0x1000 | |
| MATERIAL_VAR2_NEEDS_POWER_OF_TWO_FRAME_BUFFER_TEXTURE | 0x2000 | |
| MATERIAL_VAR2_NEEDS_FULL_FRAME_BUFFER_TEXTURE | 0x4000 | |
| MATERIAL_VAR2_IS_SPRITECARD | 0x8000 | |
| MATERIAL_VAR2_USES_VERTEXID | 0x10000 | |
| MATERIAL_VAR2_SUPPORTS_HW_SKINNING | 0x20000 | |
| MATERIAL_VAR2_SUPPORTS_FLASHLIGHT | 0x40000 |