Definitions

There are many constants used throughout the TVR project. Below, you can find an overview of them.

Steam VR

• Universe ID: 0x02 0x16 0x39 0xA0 = 2688095746

Networking ports

• Server ⇄ Driver: 20156
• Server ⇄ Tracker (Broadcast): 20157
• Server ⇄ Tracker (Unicast): 20158

Protocol definitions

• All multi-byte integer values are little-endian
• Packets longer than 4 KB (4096 bytes) are not accepted by any endpoint
• vec3: 3 sequential 32-bit floating-point values in order [x, y, z] that encode a 3D vector
• vec4: 4 sequential 32-bit floating-point values in order [x, y, z, w] that encode a quaternion
• type[]: Array of objects, is prefixed by a [uint8 length] that specifies the number of objects in the array.
• string: Null-terminated, ASCII-encoded string

Button IDs

• 0: A
• 1: B
• 2: Up
• 3: Left
• 4: Right
• 5: Down
• 6: Menu
• 7: Trigger
• 8..15: reserved