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dhewm3 Cvars

Name Description
com_dbgClientAdr debuggerApp client address
com_dbgServerAdr debugger server address
com_enableDebuggerServer toggle debugger server and try to connect to com_dbgClientAdr
cst_hudAdjustAspect adjust the HUD's aspect when the screen aspect ratio isn't 4:3
g_hitEffect mess up player camera when taking damage
imgui_numBindingColumns Number of columns with bindings in Dhewm3SettingsMenu's Bindings tab
imgui_scale factor to scale ImGUI menus by (-1: auto)
imgui_style Which ImGui style to use. 0: Dhewm3 theme, 1: Default ImGui theme, 2: User theme
in_grabKeyboard if enabled, grabs all keyboard input if mouse is grabbed (so keyboard shortcuts from the OS like Alt-Tab or Windows Key won't work)
in_ignoreConsoleKey Console only opens with Shift+Esc, not ` or ^ etc
in_kbd keyboard layout
in_mouseInvertLook inverts the look controls so the forward looks up (flight controls) - the proper way to play games!
in_namePressed print the name of the key/button pressed
in_useGamepad enables/disables the gamepad for PC use
joy_dampenLook Do not allow full acceleration on look
joy_deadZone specifies how large the dead-zone is on the joystick
joy_deltaPerMSLook Max amount to be added on look per MS
joy_gamepadLayout Button layout of gamepad. -1: auto (needs SDL 2.0.12 or newer), 0: XBox-style, 1: Nintendo-style, 2: PS4/5-style, 3: PS2/3-style
joy_gammaLook use a log curve instead of a power curve for movement
joy_invertLook inverts the look controls so the forward looks up (flight controls) - the proper way to play games!
joy_pitchSpeed pitch speed when pressing up or down on the joystick
joy_powerScale Raise joystick values to this power
joy_triggerThreshold how far the joystick triggers have to be pressed before they register as down
joy_yawSpeed pitch speed when pressing left or right on the joystick
pm_character Change Player character. 1 = Scarlet. 0 = Doom Marine
r_enableDepthCapture enable capturing depth buffer to texture. -1: enable automatically (if soft particles are enabled), 0: disable, 1: enable
r_fillWindowAlphaChan Make sure alpha channel of windows default framebuffer is completely opaque at the end of each frame. Needed at least when using Wayland with older drivers.\n
r_fullscreenDesktop 0: 'real' fullscreen mode 1: keep resolution 'desktop' fullscreen mode
r_gammaInShader Set gamma and brightness in shaders instead using hardware gamma
r_glDebugContext Enable OpenGL Debug context - requires vid_restart, needs SDL2
r_scaleMenusTo43 Scale menus, fullscreen videos and PDA to 4:3 aspect ratio
r_screenshotFormat Screenshot format. 0 = TGA (default), 1 = BMP, 2 = PNG, 3 = JPG
r_screenshotJpgQuality Screenshot quality for JPG images (1-100). Lower value means smaller file but worse quality
r_screenshotPngCompression Compression level when using PNG screenshots (0-9). Higher levels generate smaller files, but take noticeably longer
r_supportNoSpecular Support 'nospecular' parm on lights. Vanilla Doom3 didn't, so the original maps are probably expecting it to not do anything. -1: Only support in maps that
r_useCarmacksReverse Use Z-Fail (Carmack's Reverse) when rendering shadows
r_useSoftParticles Soften particle transitions when player walks through them or they cross solid geometry. Needs r_enableDepthCapture. Can slow down rendering!
r_useStencilOpSeparate Use glStencilOpSeparate() (if available) when rendering shadows
r_vidRestartAlwaysFull Always do a full vid_restart (ignore 'partial' argument), e.g. when changing window size
r_windowResizable Allow resizing (and maximizing) the window (needs SDL2; with 2.0.5 or newer it's applied immediately)

Last changed Sep 21, 2026
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