1 files changed, 58 insertions, 0 deletions
diff --git a/mcsh.sh b/mcsh.sh
new file mode 100755
index 0000000..9d9938f
--- /dev/null
+++ b/mcsh.sh
@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+
+VERSION="1.21.8"
+
+function download_library {
+    if ! [[ -e "${2:-}" ]]; then
+        printf '%s\n' "${1:-}"
+        mkdir -p "$(dirname "${2:-}")"
+        curl --silent -o "${2:-}" "${3:-}"
+    fi
+}
+export -f download_library
+
+function download_asset {
+    if ! [[ -e "assets/objects/${2:-}" ]]; then
+        printf '%s\n' "${1:-}"
+        mkdir -p "$(dirname "assets/objects/${2:-}")"
+        curl --silent -o "assets/objects/${2:-}" "https://resources.download.minecraft.net/${2:-}"
+    fi
+}
+export -f download_asset
+
+printf 'updating version manifest\n'
+mkdir -p versions
+curl --silent "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json" | jq '{"latest": .latest, "versions": [.versions[] | {"key": .id, "value": .url}] | from_entries}' > versions/manifest.json
+
+
+printf 'updating %s meta %s\n' "$VERSION"
+mkdir -p "versions/$VERSION"
+curl --silent -o "versions/$VERSION/meta.json" "$(jq -r --arg version "$VERSION" '.versions[$version]' versions/manifest.json)"
+meta="$(jq -c --slurpfile info info.json --slurpfile auth auth.json -f meta.jq "versions/$VERSION/meta.json")"
+
+printf 'updating %s asset index...\n' "$VERSION"
+mkdir -p assets/indexes
+assets_url="$(<<<"$meta" jq -r '.asset_index')"
+curl --silent -o "assets/indexes/$(basename "$assets_url")" "$assets_url"
+
+#TODO: check hash
+if ! [[ -e "versions/$VERSION/client.jar" ]]; then
+    printf 'downloading %s client jar...\n' "$VERSION"
+    <<<"$meta" jq -r '.client_url' | xargs curl --silent -o "versions/$VERSION/client.jar"
+fi
+
+printf 'downloading libraries...\n'
+<<<"$meta" jq -r '.libraries[] | "\(.name) libraries/\(.path) \(.url)"' | xargs -I {} "$SHELL" -c "download_library {}"
+
+printf 'downloading assets...\n'
+jq -r '.objects | to_entries[] | "\(.key) \(.value.hash[:2])/\(.value.hash)"' "assets/indexes/$(basename "$assets_url")" | xargs -P 10 -I {} "$SHELL" -c "download_asset {}"
+
+# if ! [[ -e "versions/$VERSION/log4j.xml" ]]; then
+#     printf 'downloading %s log4j config...\n' "$VERSION"
+#     <<<"$meta" jq -r '.logging_config' | xargs curl --silent -o "versions/$VERSION/log4j.xml"
+# fi
+
+printf 'starting game :3\n'
+<<<"$meta" jq -r '.args.jvm + [.main_class] + .args.game | join(" ")' | xargs java