Change .c4g extension to .ocg

CMakeLists.txt

@@ -1178,7 +1178,7 @@ ENDIF()
 ")
 
 # Remove previously installed data files
-FILE(GLOB OC_INSTALLED_DATA_FILES "${CMAKE_INSTALL_PREFIX}/share/openclonk/*.c4[dfg]" "${CMAKE_INSTALL_PREFIX}/share/openclonk/*.oc[s] ")
+FILE(GLOB OC_INSTALLED_DATA_FILES "${CMAKE_INSTALL_PREFIX}/share/openclonk/*.c4[df]" "${CMAKE_INSTALL_PREFIX}/share/openclonk/*.oc[gs] ")
 install(CODE "
 FOREACH(CURRENT_FILE ${OC_INSTALLED_DATA_FILES})
 	FILE(REMOVE \${CURRENT_FILE})
@@ -1186,7 +1186,7 @@ ENDFOREACH()
 ")
 
 # Install new files
-FILE(GLOB OC_DATA_FILES "${CMAKE_CURRENT_SOURCE_DIR}/planet/*.c4[dfg]" "${CMAKE_CURRENT_SOURCE_DIR}/planet/*.oc[s]")
+FILE(GLOB OC_DATA_FILES "${CMAKE_CURRENT_SOURCE_DIR}/planet/*.c4[df]" "${CMAKE_CURRENT_SOURCE_DIR}/planet/*.oc[gs]")
 install(DIRECTORY ${OC_DATA_FILES} DESTINATION share/openclonk)
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/clonk.desktop DESTINATION share/applications)
 

Makefile.am

@@ -693,8 +693,8 @@ EXTRA_DIST = \
   Version.txt \
   CMakeLists.txt \
   config.h.cmake \
-  planet/System.c4g/LanguageUS.txt \
-  planet/System.c4g/LanguageDE.txt \
+  planet/System.ocg/LanguageUS.txt \
+  planet/System.ocg/LanguageDE.txt \
   clonk.anjuta \
   licenses \
   src/netio/NetIO.dsp \
@@ -715,7 +715,7 @@ EXTRA_DIST = \
   src/res/Static_Trans.png \
   src/c4group/Resource.rc \
   src/res/brush1.bmp \
-  src/res/c4g.ico \
+  src/res/ocg.ico \
   src/res/ocs.ico \
   src/res/Cursor2.bmp \
   src/res/Game.pal \

planet/AUTHORS

@@ -30,9 +30,9 @@ Music
 
 Sounds
 ======
-See authors.txt in Sound.c4g
+See authors.txt in Sound.ocg
 
 
 Material textures
 =================
-See authors.txt in Material.c4g
+See authors.txt in Material.ocg