SOURCEOPS_SurfaceProps = sorted([
    ('default', 'default', ''),
    ('default_silent', 'default_silent', ''),
    ('floatingstandable', 'floatingstandable', ''),
    ('item', 'item', ''),
    ('ladder', 'ladder', ''),
    ('no_decal', 'no_decal', ''),
    ('player', 'player', ''),
    ('player_control_clip', 'player_control_clip', ''),
    ('brick', 'brick', ''),
    ('concrete', 'concrete', ''),
    ('concrete_block', 'concrete_block', ''),
    ('rock', 'rock', ''),
    ('canister', 'canister', ''),
    ('chain', 'chain', ''),
    ('chainlink', 'chainlink', ''),
    ('combine_metal', 'combine_metal', ''),
    ('crowbar', 'crowbar', ''),
    ('floating_metal_barrel', 'floating_metal_barrel', ''),
    ('grenade', 'grenade', ''),
    ('gunship', 'gunship', ''),
    ('metal', 'metal', ''),
    ('metal_barrel', 'metal_barrel', ''),
    ('metal_bouncy', 'metal_bouncy', ''),
    ('metal_box', 'metal_box', ''),
    ('metal_seafloorcar', 'metal_seafloorcar', ''),
    ('metalgrate', 'metalgrate', ''),
    ('metalpanel', 'metalpanel', ''),
    ('metalvent', 'metalvent', ''),
    ('metalvehicle', 'metalvehicle', ''),
    ('paintcan', 'paintcan', ''),
    ('popcan', 'popcan', ''),
    ('roller', 'roller', ''),
    ('slipperymetal', 'slipperymetal', ''),
    ('solidmetal', 'solidmetal', ''),
    ('strider', 'strider', ''),
    ('weapon', 'weapon', ''),
    ('wood', 'wood', ''),
    ('wood_box', 'wood_box', ''),
    ('wood_furniture', 'wood_furniture', ''),
    ('wood_plank', 'wood_plank', ''),
    ('wood_panel', 'wood_panel', ''),
    ('wood_solid', 'wood_solid', ''),
    ('dirt', 'dirt', ''),
    ('grass', 'grass', ''),
    ('gravel', 'gravel', ''),
    ('mud', 'mud', ''),
    ('quicksand', 'quicksand', ''),
    ('sand', 'sand', ''),
    ('slipperyslime', 'slipperyslime', ''),
    ('antlionsand', 'antlionsand', ''),
    ('slime', 'slime', ''),
    ('water', 'water', ''),
    ('wade', 'wade', ''),
    ('ice', 'ice', ''),
    ('snow', 'snow', ''),
    ('alienflesh', 'alienflesh', ''),
    ('antlion', 'antlion', ''),
    ('armorflesh', 'armorflesh', ''),
    ('bloodyflesh', 'bloodyflesh', ''),
    ('flesh', 'flesh', ''),
    ('foliage', 'foliage', ''),
    ('watermelon', 'watermelon', ''),
    ('zombieflesh', 'zombieflesh', ''),
    ('glass', 'glass', ''),
    ('glassbottle', 'glassbottle', ''),
    ('combine_glass', 'combine_glass', ''),
    ('tile', 'tile', ''),
    ('paper', 'paper', ''),
    ('papercup', 'papercup', ''),
    ('cardboard', 'cardboard', ''),
    ('plaster', 'plaster', ''),
    ('plastic_barrel', 'plastic_barrel', ''),
    ('plastic_barrel_buoyant', 'plastic_barrel_buoyant', ''),
    ('plastic_box', 'plastic_box', ''),
    ('plastic', 'plastic', ''),
    ('rubber', 'rubber', ''),
    ('rubbertire', 'rubbertire', ''),
    ('slidingrubbertire', 'slidingrubbertire', ''),
    ('slidingrubbertire_front', 'slidingrubbertire_front', ''),
    ('slidingrubbertire_rear', 'slidingrubbertire_rear', ''),
    ('jeeptire', 'jeeptire', ''),
    ('brackingrubbertire', 'brackingrubbertire', ''),
    ('carpet', 'carpet', ''),
    ('ceiling_tile', 'ceiling_tile', ''),
    ('computer', 'computer', ''),
    ('pottery', 'pottery', ''),
])
