FG arm should also attempt to crawl when no BG arm is present. Also, arm crawling should happen at an equal distance to the terrain surface on both arms, meaning that the X offset wont leave one arm at a disadvantage.

Author: fourZK

Entities/AHuman.cpp

@@ -3717,35 +3717,13 @@ void AHuman::Update()
                 m_Paths[BGROUND][CRAWL].Terminate();
 
             // ARMS using rotated path to help crawl
-            if (m_pBGArm)
-            {
-                m_ArmClimbing[BGROUND] = true;
-                // Reset the stride timer if the path is about to restart
-//                if (m_Paths[BGROUND][ARMCRAWL].PathEnded() || m_Paths[BGROUND][ARMCRAWL].PathIsAtStart())
-//                    m_StrideStart = true;
-                m_pBGHandGroup->PushAsLimb(m_Pos + RotateOffset(m_pBGArm->GetParentOffset()),
-                                            m_Vel,
-                                            m_Rotation,
-                                            m_Paths[BGROUND][ARMCRAWL],
-                                            deltaTime,
-                                            0,
-                                            true);
-            }
-/*
-            if (m_pFGArm)
-            {
-                m_ArmClimbing[FGROUND] = true;
-//                m_StrideStart = true;
-                m_pFGHandGroup->PushAsLimb(m_Pos + RotateOffset(m_pFGArm->GetParentOffset()),
-                                            m_Vel,
-                                            m_Rotation,
-                                            m_Paths[FGROUND][ARMCRAWL],
-            //                              mass,
-                                            deltaTime,
-                                            0,
-                                            true);
-            }
-*/
+			if (m_pBGArm) {
+				m_ArmClimbing[BGROUND] = true;
+				m_pBGHandGroup->PushAsLimb(m_Pos + RotateOffset(Vector(0, m_pBGArm->GetParentOffset().m_Y)), m_Vel, m_Rotation, m_Paths[BGROUND][ARMCRAWL], deltaTime);
+			} else if (m_pFGArm && !m_pFGArm->HoldsSomething()) {
+				m_ArmClimbing[FGROUND] = true;
+				m_pFGHandGroup->PushAsLimb(m_Pos + RotateOffset(Vector(0, m_pFGArm->GetParentOffset().m_Y)), m_Vel, m_Rotation, m_Paths[FGROUND][ARMCRAWL], deltaTime);
+			}
 
             // Restart the stride if the current one seems to be taking too long
             if (m_StrideTimer.IsPastSimMS(m_Paths[FGROUND][CRAWL].GetTotalPathTime()))