variant on https://github.com/andr3wmac/Torque3D/tree/shadow_static adding a castDynamicShadows flag to materials, and prototyping mixing static shadows and dynamic shadows generated based on checking that flag (though to ensure backwards compatibility, this one differs in setting materials to dynamically shadow by default, as well as lights). TODO: Point light, spot light, and artifacting cleanup.
spotlights. missing sampler entries