Cvars
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Cvars are variables that can be read or set via the in-game console. Cvar stands for Console Variable. Each cvar has a name, description, type and some flags associated with it
Flags
Each cvar has flags associated with it. It tells the engine a bunch of information like type and what it should do with them. Not all flags are known at the moment.
| Flag | Description |
|---|---|
| 1 (0x01) | Type: Boolean |
| 2 (0x02) | Type: Integer |
| 4 (0x04) | Type: Float |
| 8 (0x08) | Type: String |
| 16 (0x10) | Saved (The cvar will be saved to the user config) |
| 32 (0x20) | |
| 64 (0x40) | Hidden (The cvar will not appear in the console auto-complete) |
| 128 (0x80) | |
| 256 (0x100) | |
| 512 (0x200) | |
| 1024 (0x400) | |
| 2048 (0x800) | |
| 32768 (0x8000) | Read-only (Cannot change the cvar value) |
| 65536 (0x10000) | Server-only (Removed from client and not allowed to change) |
Quake-C
It is possible to interact with these variables from Quake-C, however in vanilla QC there is some limitations. For example, being only able to read numeric values.
Use the following builtins to read and set cvars:
You can also set cvars using Localcmd, which will allow you to concatenate strings together.