ZDoom

Code: Select all

		if (!(thing->flags & MF_TELEPORT) && !(thing->flags3 & MF3_FLOORHUGGER))
		{
			if (tm.floorz-thing->z > thing->MaxStepHeight)
			{ // too big a step up
				goto pushline;
			}
			else if ((thing->flags & MF_MISSILE)&& !(thing->flags6 && MF6_STEPMISSILE) && tm.floorz > thing->z)
			{ // [RH] Don't let normal missiles climb steps
				goto pushline;
			}
			else if (thing->z < tm.floorz)
			{ // [RH] Check to make sure there's nothing in the way for the step up
				fixed_t savedz = thing->z;
				bool good;
				thing->z = tm.floorz;
				good = P_TestMobjZ (thing);
				thing->z = savedz;
				if (!good)
				{
					goto pushline;
				}
				if (thing->flags6 & MF6_STEPMISSILE)
				{
					thing->z = tm.floorz;
					// If moving down, cancel vertical component of the velocity
					if (thing->velz < 0)
					{
						thing->velz = 0;
					}
				}
			}
		}