some tweaks/fixes/etc to the map preview and reload stuff
also fixed an old bug of a "stuck random/drawn map preview" when changing maps quickly
### SuperTux - Removed unused vorbisenc library
# - Try to find the OggVorbis libraries
# Once done this will define
#
# OGGVORBIS_FOUND - system has OggVorbis
# OGGVORBIS_VERSION - set either to 1 or 2
# OGGVORBIS_INCLUDE_DIR - the OggVorbis include directory
# OGGVORBIS_LIBRARIES - The libraries needed to use OggVorbis
# OGG_LIBRARY - The Ogg library
# VORBIS_LIBRARY - The Vorbis library
# VORBISFILE_LIBRARY - The VorbisFile library
# Copyright (c) 2006, Richard Laerkaeng, <richard@goteborg.utfors.se>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
include (CheckLibraryExists)
find_path(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
find_library(OGG_LIBRARY NAMES ogg)
find_library(VORBIS_LIBRARY NAMES vorbis)
find_library(VORBISFILE_LIBRARY NAMES vorbisfile)
if(APPLE AND NOT VORBISFILE_LIBRARY)
# [koda] (for Hedgewars) frameworks don't come with libvorbisfile
set(VORBISFILE_LIBRARY "${VORBIS_LIBRARY}")
endif()
if (OGG_LIBRARY AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
set(OGGVORBIS_FOUND TRUE)
# [sommer] (for SuperTux) reversed order of libraries, so that cmake 2.4.5 for Windows generates an MSYS Makefile that will link correctly
# set(OGGVORBIS_LIBRARIES ${OGG_LIBRARY} ${VORBIS_LIBRARY} ${VORBISFILE_LIBRARY})
set(OGGVORBIS_LIBRARIES ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
set(_CMAKE_REQUIRED_LIBRARIES_TMP ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${OGGVORBIS_LIBRARIES})
check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_TMP})
if (HAVE_LIBVORBISENC2)
set (OGGVORBIS_VERSION 2)
else (HAVE_LIBVORBISENC2)
set (OGGVORBIS_VERSION 1)
endif (HAVE_LIBVORBISENC2)
else ()
set(OGGVORBIS_VERSION)
set(OGGVORBIS_FOUND FALSE)
endif ()
if (OGGVORBIS_FOUND)
if (NOT OggVorbis_FIND_QUIETLY)
message(STATUS "Found OggVorbis: ${OGGVORBIS_LIBRARIES}")
endif (NOT OggVorbis_FIND_QUIETLY)
else (OGGVORBIS_FOUND)
if (OggVorbis_FIND_REQUIRED)
message(FATAL_ERROR "Could NOT find OggVorbis libraries")
else (OggVorbis_FIND_REQUIRED)
if (NOT OggVorbis_FIND_QUIETLY)
message(STATUS "Could NOT find OggVorbis libraries")
endif (NOT OggVorbis_FIND_QUIETLY)
endif(OggVorbis_FIND_REQUIRED)
endif (OGGVORBIS_FOUND)