Material surface properties
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This is the list of physical surface types that Source recognises, as defined by the files referenced in \scripts\surfaceproperties_manifest.txt.
Surface types define the physical properties of an object including friction and density, collision/footstep sounds, the effect of bullet impacts and, if the object is destructible, health and gib type.
Both materials and models define their surfaces with the $surfaceprop command.
Types
Special |
Description |
|---|---|
| default | |
| default_silent | For invisible collision materials, like sky. |
| floatingstandable | This one is used for puzzles where we want something that floats but the player can stand on without it sinking beneath the water. |
| item | Small med kit, smaller tech items, battery. |
| ladder | Ladder is a fake material for walking on ladders. |
| no_decal | |
| player | Special materials for player controller. |
| player_control_clip | Special materials for player controller. |
Concrete/Rock |
Description |
| baserock | missing? |
| boulder | Will cause material glitches if used in models |
| brick | |
| concrete | |
| concrete_block | 9x12 prefabricated concrete cinder blocks. |
| gravel | |
| rock | Solid rock (small sounds). |
Metal |
Description |
| canister | Large oxygen tank, propane tank, welding tank. |
| chain | Metal chain. |
| chainlink | Chainlink fencing material. |
| combine_metal | |
| crowbar | |
| floating_metal_barrel | |
| grenade | Solid hand grenade. |
| gunship | |
| metal | |
| metal_barrel | Larger metal barrel, metal oil drum. |
| metal_bouncy | |
| Metal_Box | Smaller metal box (< 2' width/height/depth) |
| metal_seafloorcar | |
| metalgrate | Metal grating, used for decking |
| metalpanel | Thick solid steel panel - used for solid wall, floor, machine construction. |
| metalvent | ~1mm thick metal |
| metalvehicle | |
| paintcan | Smaller metal can |
| popcan | Small aluminum can, full. |
| roller | Roller NPC |
| slipperymetal | |
| solidmetal | Template:ModernNote |
| strider | |
| weapon | Sounds for when weapons drop. |
Wood |
Description |
| Wood | Generic wood Template:ModernNote |
| Wood_Box | |
| Wood_Crate | Large crate, large wood furniture (bookcases, tables).(in all games since  ) (also in   ) (also in  )
|
| Wood_Furniture | small wood furniture - chairs, small tables. |
| Wood_LowDensity | Small crate.(in all games since ) (also in ) (also in )
|
| Wood_Plank | Wood board, floorboard, plank. |
| Wood_Panel | Plywood panel, wood door panel. |
| Wood_Solid | Solid 6x6 or greater block, post or tree. |
Terrain |
Description |
| dirt | |
| grass | |
| gravel | |
| mud | |
| quicksand | |
| sand | |
| slipperyslime | |
| antlionsand | |
Liquid |
Description |
| slime | |
| water | |
| wade | Wade is a water material for walking in/on water at knee height. |
| puddle | |
Frozen |
Description |
| ice | |
| snow | |
Organic |
Description |
| alienflesh | |
| antlion | |
| armorflesh | Flesh for physics, metal for bullet fx. |
| bloodyflesh | |
| flesh | Medium sized body. |
| foliage | |
| watermelon | |
| zombieflesh | |
Manufactured |
Description |
| asphalt | missing? |
| glass | Pane of glass, computer screen, window, glass door... |
| glassbottle | Glass soda bottle, cup, plate, jar... |
| combine_glass | |
| tile | |
| paper | |
| papercup | |
| cardboard | |
| plaster | Drywall, office wall material, sheetrock. |
| plastic_barrel | Larger plastic barrel, hollow, soft plastic. |
| plastic_barrel_buoyant | |
| Plastic_Box | Small - Medium plastic box, hard plastic. |
| plastic | Smaller generic hard plastic. |
| rubber | Solid rubber floor mat, solid rubber tire. |
| rubbertire | Hollow rubber tire |
| slidingrubbertire | |
| slidingrubbertire_front | |
| slidingrubbertire_rear | |
| jeeptire | |
| brakingrubbertire | |
Miscellaneous |
Description |
| carpet | |
| ceiling_tile | Accoustic ceiling tiles, sound baffles, crumbly plaster. |
| computer | Computer case, tech equipment case. |
| pottery |
