For example, I have mesh from Risen 'It_Wpn_1H_Sword_Goblin._xmsh' with material 'ItWpn_Shields_01_Diffuse_01._xmat' and images 'ItWpn_Shields_01_Diffuse_01._ximg', 'ItWpn_Shields_01_Normal_01._ximg'. How can I convert all this textures into:
It_Wpn_1H_Sword_Goblin.xcmsh
ItWpn_Shields_01_Diffuse_01.xshmat
ItWpn_Shields_01_Diffuse_01.ximg
ItWpn_Shields_01_Normal_01.ximg