LMB = Normal Attack
RMB = Alternate Attack
LMB + RMB release LMB first = Longer Range Attack
LMB + RMB release at EXACT time = Direct Attack
R = Spin, R held down = Inspect
R held down + LMB = Double Spin Attack
R held down + RMB = Weapon Butt Attack
R held down + LMB + RMB release LMB first = defaults to Longer Range Attack nothing special
R held down + LMB + RMB release at EXACT time =Triple Spin Attack

Hold down LMB before you hit a surface results in the weapon sticking in the object, Only with "Stabby" weapons like Hatchet and Katana.

These were tested mainly with Hatchet and Brick, report any issues you encounter, thank you for taking the time to read this, and enjoy!