Added some structuring.

The game runs but only a black window is shown.

CMakeLists.txt

@@ -8,8 +8,13 @@ set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -std=c++11 -Wall -Wextra
 include(FindPkgConfig)
 PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
 
+find_package(PNG REQUIRED)
+
+add_definitions(${PNG_DEFINITIONS})
+
 include_directories(SYSTEM
 	${SDL2_INCLUDE_DIR}
+	${PNG_INCLUDE_DIRS}
 )
 include_directories(
 	src
@@ -30,14 +35,19 @@ add_executable(${PROJECT_NAME}
 	src/texture.cpp
 	src/sdlerror.cpp
 	src/sdlmain.cpp
-	src/game.cpp
 	src/gamebase.cpp
 	src/character.cpp
 	src/placeable.cpp
 	src/physicsfswrapper.cpp
+	src/gameplayscene.cpp
+	src/mover.cpp
+	src/moveroneshot.cpp
+	src/moversine.cpp
+	src/gameplaysceneclassic.cpp
 )
 
 target_link_libraries(${PROJECT_NAME}
 	${SDL2_LIBRARIES}
 	physfs
+	${PNG_LIBRARIES}
 )