Imperial Game Engine 2 v51.4 Patch file

[xpn 2.2728]Imperial Game Engine 2 v51.4
[New] PBR, material shader variant;
[New] OpenGL from 1.0 - 4.6 support;
[New] i_3D_model, enable sample coverage preference;
[New] imd, ecvivonix (provocing vertex) shader;
[BugFix] VertexWeight, incomplete;
[BugFix] CoffeeBreakStudio, Import Dublicate2, function mixing;
[xpn 2.2729]
[New] i_3D_model, BlendEquationSeparate mode;
[New] i_3D_model, BlendColour mode;
[xpn 2.2730]
[New] Renderer,AnizotropicScale;
[xpn 2.2731]