Sven Co-op

Launch arguments I've documented from decompiling the 5.25 build.

This is pretty old is from ~4 years ago when I was first getting into reverse engineering, take everything here with a grain of salt.

5.25 Launch Arguments

Argument	Description
`-condebug`	Logs all console output into a file named `console-YYYY-MM-DD.log`
`-noevents`	Disables the holiday events (Christmas, Halloween, April fools, etc)
`-noip`	Disables networking
`-reuse`	Enables the socket option SO_REUSEADDR `[Info]`
`-tos`	Unknown `[?]`
`-loopback`	Unknown `[?]`
`-nop2p`	Disables steam p2p networking
`-nocdaudio`	Disables CD support
`-nosound`	Disables audio
`-simsound`	Fakes that audio is initialized
`-wavonly`	Disables directsound and makes the engine play all sounds in pcm format `[?]`
`-noquit`	Unknown `[?]`
`-nomousegrab`	Sets the `cl_mousegrab` cvar to `0`
`-steam`	Unknown `[?]`
`-num_edicts <n>`	Sets entity limit for map/game entities `[?]`
`-nohdmodels`	Disables hd models `[?]`
`-noaddons`	Disables usage of the `svencoop_addon` folder.
`-glext`	Outputs supported OpenGL extensions
`-nomtex`	Disables usage of OpenGL multi-texturing extension [GL_ARB_multitexture]
`-stretchaspect`	Strech the image output even if wrong aspect ratio
`-nomsaa`	Disables MSAA
`-nofbo`	Something in relation to goldsrc, dunno `[?]`
`-freq <n>`	Sets monitor frequency
`-directblit`	Force enables direct blitting [GL_EXT_framebuffer_multisample_blit_scaled]
`-nodirectblit`	Force Disables direct blitting
`-aamode`	Unknown `[?]`
`-dev`	Opens console & sets `sv_cheats` and `developer` cvars
`-toconsole`	Opens the console on game start
`-console`	Opens the console on game start
`-sys_ticrate <n>`	Sets `sys_ticrate`
`-netthread`	Runs networking in a seperate thread
`-nonetthread`	Disables network threading support
`-netthreadnonblockingsleep`	Threaded networking will use non-blocking sleep
`-netthreadblockingsleep`	Threaded networking will use blocking sleep
`-netsleep`	Threaded networking will use blocking sleep, but not forever
`-netnosleep`	Threaded networking will use blocking sleep, forever
`-clockwindow <n>`	Sets the `clockwindow` cvar `[?]`
`-particles <n>`	Sets maximum number of particles `[?]`
`-snoforceformat`	Skips sound buffer creation `[Windows]` `[?]`
`-primarysound`	Forces usage of primary sound buffer `[?]`
`-maxplayers <n>`	Sets max players
`-dll <filename>`	Specifies which game dll to use `[?]`
`-starttime`	Unknown `[?]`
`-minmemory`	Forces the engine to take as little memory as it can from the host system
`-maxmemory <n>`	Forces the engine to take as much memory as it can from the host system
`-heapsize <n>`	Specifies the heap size
`-showheap`	Shows you how much memory was allocated from the host system
`-startwindowed`	Starts the game in windowed mode
`-windowed`	Starts the game in windowed mode
`-window`	Starts the game in windowed mode
`-sw`	Starts the game in windowed mode
`-fullscreen`	Starts the game in fullscreen mode
`-full`	Starts the game in fullscreen mode
`-screen`	Unknown `[?]`
`-width <n>`	Sets width resolution
`-w <n>`	Sets width resolution
`-height <n>`	Sets height resolution
`-h <n>`	Sets height resolution
`-forceres`	Unknown `[?]`
`-noontop`	Sets `SDL_ALLOW_TOPMOST` to `0`
`-noborder`	Disables windows borders
`-zone <n>`	Unknown `[?]`
`-mousethread`	Unknown `[?]`
`-nomouse`	Disables mouse support
`-noforcemspd`	Uses OS mouse speed `[?]`
`-noforcemaccel`	Uses OS mouse acceleration
`-noforcemparms`	Uses OS mouse parameters (incl acceleration)
`-nojoy`	Disables controller support
`-as_outputdocs <filename>`	Outputs angelscript documentation into the svencoop folder
`-novid`	Skips introduction video `[unused]`
`-ccsyntax`	Spew details about the localized strings loaded `[?]`
`-noassert`	Disables all assertions
`-nocrashdialog`	Disables crash assertions
`-debugbreak`	Unknown `[?]`
`-stack`	Unknown `[Windows]` `[Unused]` `[?]`
`-RANDOMIZEMEMORY`	Unknown `[Windows]` `[Possibly Unused]` `[?]`
`-NOINITMEMORY`	Unknown `[Windows]` `[Possibly Unused]` `[?]`
`-RESERVELOWMEM`	Unknown `[Windows]` `[Possibly Unused]` `[?]`
`-PROCESSHEAP`	Unknown `[Windows]` `[Possibly Unused]` `[?]`
`-PROCESSHEAPZEROMEM`	Unknown `[Windows]` `[Possibly Unused]` `[?]`
`-NOPROCESSHEAP`	Unknown `[Windows]` `[Possibly Unused]` `[?]`

Server Only Flags

Argument	Description
`-port <n>`	Sets listening server port
`-pidfile <filename>`	Sets the server's pid to one stored in a file `[Linux]`
`-pingboost <n>`	Attempts to reduce the default latency `[?]` `[Linux]` `[Info]`
`-insecure`	Sets server to be marked as vac protected
`-sport`	Sets vac port for the server
`-nomaster`	Hides server from serverlist