In order to get Big Picture Overlay and, subsequently, custom controls working first carefully follow this guide by Turvis: https://steamcommunity.com/sharedfiles/filedetails/?id=259322238&insideModal=1
For instructions on how to use this mapping with the Steam Controller in Descent, click the Download button or check out the instructions here.
"controller_mappings" { "version" "2" "title" "Working Overlay & Controls" "description" "In order to get Big Picture Overlay and, subsequently, custom controls working first carefully follow this guide by Turvis: https://steamcommunity.com/sharedfiles/filedetails/?id=259322238&insideModal=1 " "creator" "76561198119573633" "group" { "id" "0" "mode" "four_buttons" "bindings" { "button_A" "key_press RETURN" "button_A" "key_press SPACE" "button_B" "key_press B, Bomb" "button_X" "key_press R" "button_Y" "key_press F, Flare" } "settings" { "hold_repeat_inverval" "99" "button_size" "17994" "button_dist" "19994" } } "group" { "id" "1" "mode" "dpad" "bindings" { "dpad_north" "key_press KEYPAD_DASH, Up" "dpad_south" "key_press KEYPAD_PLUS, Down" "dpad_east" "key_press E, Roll Clockwise" "dpad_west" "key_press Q, Roll Counter Clockwise" } "settings" { "hold_repeat_inverval" "99" "deadzone" "5000" "edge_binding_radius" "24996" } } "group" { "id" "2" "mode" "absolute_mouse" "bindings" { "click" "key_press E, Use" } "settings" { "sensitivity" "145" "rotation" "15" "doubetap_max_duration" "320" } } "group" { "id" "3" "mode" "dpad" "bindings" { "dpad_north" "key_press A, Move Forward" "dpad_south" "key_press Z, Move Back" "dpad_east" "key_press KEYPAD_3, Move Right" "dpad_west" "key_press KEYPAD_1, Move Left" "click" "key_press R, Rear View" } "settings" { "requires_click" "0" "hold_repeat_inverval" "99" "edge_binding_radius" "24995" } } "group" { "id" "4" "mode" "trigger" "bindings" { "edge" "mouse_button RIGHT, Fire Secondary" } "settings" { "hold_repeat_inverval" "99" } } "group" { "id" "5" "mode" "trigger" "bindings" { "edge" "mouse_button LEFT, Fire Primary" } "settings" { "hold_repeat_inverval" "99" } } "group" { "id" "6" "mode" "mouse_joystick" } "group" { "id" "7" "mode" "joystick_move" "settings" { "output_joystick" "2" "deadzone_inner_radius" "3999" "deadzone_shape" "1" } } "preset" { "id" "0" "name" "" "group_source_bindings" { "0" "button_diamond active" "1" "left_trackpad active" "2" "right_trackpad inactive" "6" "right_trackpad inactive" "7" "right_trackpad active" "3" "joystick active" "4" "left_trigger active" "5" "right_trigger active" } "switch_bindings" { "bindings" { "button_back_left" "key_press C, Crouch" "button_back_right" "key_press R, Reload" "button_menu" "key_press TAB, Map" "button_escape" "key_press ESCAPE, Menu" "right_bumper" "key_press COMMA, Cycle Primary" "left_bumper" "key_press PERIOD, Cycle Secondary" } } "settings" { } } }