HL1SDK
The HL1SDK is the Valve-provided API and sample code used for creating mods and Metamod plugins for Half-Life 1.
You can find the HL1SDK files here
This article is a stub. Help by expanding it
The HL1SDK is the Valve-provided API and sample code used for creating mods and Metamod plugins for Half-Life 1.
You can find the HL1SDK files here
This article is a stub. Help by expanding it