Fix DrawHLinesExplosions setting invalid map pixels if called at wrap world edge
This caused an errror message after the game when using hammer or pickhammer at wrap world edge.
CMakeCache.txt
CMakeFiles
moc_*.cxx
qrc_*.cxx
*.o
*.a
*.qm
Makefile
bin
*.hi
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*.*~
*.core
hedgewars.pro.user
config.inc
cmake_install.cmake
QTfrontend/hwconsts.cpp
QTfrontend/servermessages.h
CPackConfig.cmake
CPackSourceConfig.cmake
tools/cmake_uninstall.cmake
install_manifest.txt
.DS_Store
*.swp
*.orig
*.diff
vittorio.*
project_files/HedgewarsMobile/Data/
project_files/HedgewarsMobile/Build/
gameServer/dist/
misc/liblua/Xcode/build/
misc/libphysfs/Xcode/build/
misc/libphyslayer/Xcode/build/
moc_*.cxx_parameters
relre:^release\/
*.log
*.cmd
*.diff
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project_files/hwc/*.c
project_files/hwc/*.h
project_files/Android-build/SDL-android-project/jni/**
project_files/Android-build/SDL-android-project/obj
project_files/Android-build/SDL-android-project/libs/armeabi*
project_files/Android-build/SDL-android-project/bin
project_files/Android-build/SDL-android-project/gen
project_files/Android-build/SDL-android-project/local.properties
project_files/Android-build/SDL-android-project/project.properties
project_files/Android-build/SDL-android-project/default.properties
project_files/Android-build/SDL-android-project/proguard.cfg
project_files/Android-build/SDL-android-project/.*
project_files/Android-build/out
project_files/Android-build/Makefile.android
hedgewars-build-desktop-Qt*
hedgewars-build-desktop-Qt*
*.depends
tools/build_windows_koda.bat
share/hedgewars/Data/misc/hwengine.desktop
*.exe
_CPack_Packages/
version_info.txt
*.tar.*
*.or
*.res
Hedgewars.app/*
tools/CreateMacBundle.cmake
share/Info.plist
CTestTestfile.cmake
arch.c
*.swp
*~.nib
*.pbxuser
*.perspective
*.perspectivev3
*.project.xcworkspace
*.xcuserdata
xcuserdata
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Testing/*
gameServer2/rls
gameServer2/target