Debug & Development

Writes a message to a log file. Optionally appends and includes timestamps.

Starts a named high-precision performance timer using FPlatformTime::Seconds.

Stops a named performance timer and returns elapsed milliseconds. Optionally logs the result.

Returns current memory usage statistics in megabytes.

Logs a message with a custom category name and verbosity level.

Draws connected line segments through an array of points.

Draws a flat grid on the ground plane for spatial reference.

Logs all elements of a string array with indices for debugging.

Logs all key-value pairs of a map for debugging.

Logs an error message if the condition is false. Does not crash in shipping builds.

Adds a message to a managed on-screen queue with a maximum display count. Old messages are removed first.