rust: add support for Carbon, a rust modding framework (pterodactyl#43)

games/rust/entrypoint.sh

@@ -16,17 +16,28 @@ fi
 MODIFIED_STARTUP=`eval echo $(echo ${STARTUP} | sed -e 's/{{/${/g' -e 's/}}/}/g')`
 echo ":/home/container$ ${MODIFIED_STARTUP}"
 
-# OxideMod has been replaced with uMod
-if [ -f OXIDE_FLAG ] || [ "${OXIDE}" = 1 ] || [ "${UMOD}" = 1 ]; then
+if [[ "${FRAMEWORK}" == "carbon" ]]; then
+    # Carbon: https://github.com/CarbonCommunity/Carbon.Core
+    echo "Updating Carbon..."
+    curl -sSL "https://github.com/CarbonCommunity/Carbon.Core/releases/download/production_build/Carbon.Linux.Release.tar.gz" | tar zx
+    echo "Done updating Carbon!"
+
+    export DOORSTOP_ENABLED=1
+    export DOORSTOP_TARGET_ASSEMBLY="$(pwd)/carbon/managed/Carbon.Preloader.dll"
+    MODIFIED_STARTUP="LD_PRELOAD=$(pwd)/libdoorstop.so ${MODIFIED_STARTUP}"
+
+elif [[ "$OXIDE" == "1" ]] || [[ "${FRAMEWORK}" == "oxide" ]]; then
+    # Oxide: https://github.com/OxideMod/Oxide.Rust
     echo "Updating uMod..."
     curl -sSL "https://github.com/OxideMod/Oxide.Rust/releases/latest/download/Oxide.Rust-linux.zip" > umod.zip
     unzip -o -q umod.zip
     rm umod.zip
     echo "Done updating uMod!"
+# else Vanilla, do nothing
 fi
 
 # Fix for Rust not starting
-export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)
+export LD_LIBRARY_PATH=$(pwd)/RustDedicated_Data/Plugins/x86_64:$(pwd)
 
 # Run the Server
 node /wrapper.js "${MODIFIED_STARTUP}"