Some refactor

source/aigrid/aigrid.cpp

source/aigrid/aigrid.h

source/aigrid/sxaigrid.cpp

source/aigrid/sxaigrid.h

source/anim/AnimatedModelProvider.cpp

source/anim/AnimatedModelProvider.h

source/anim/DynamicModelProvider.cpp

source/anim/DynamicModelProvider.h

source/anim/RenderableVisibility.cpp

source/anim/RenderableVisibility.h

source/core/sxcore.h

source/game/Player.cpp

source/game/Player.h

source/game/PointCamera.cpp

source/gcore/camera.cpp

source/gcore/camera.h

source/gcore/sxgcore.cpp

source/gcore/sxgcore.h

source/green/green.cpp

source/green/green.h