Add subcommand to get the number of chunks inside a world folder
Signed-off-by: trivernis <trivernis@protonmail.com>main
commit
6fd1293e4a
GPG Key ID:
DFFFCC2C7A02DB45
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/target
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.idea
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testdata
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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[[package]]
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name = "ansi_term"
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version = "0.11.0"
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||||||
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
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dependencies = [
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"winapi",
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]
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[[package]]
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name = "atty"
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version = "0.2.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
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dependencies = [
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"hermit-abi",
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"libc",
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"winapi",
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]
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[[package]]
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name = "bitflags"
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version = "1.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
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[[package]]
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name = "byteorder"
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version = "1.3.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
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[[package]]
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name = "clap"
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version = "2.33.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
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dependencies = [
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"ansi_term",
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"atty",
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"bitflags",
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"strsim",
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"textwrap",
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"unicode-width",
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"vec_map",
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]
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[[package]]
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name = "cloudabi"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4344512281c643ae7638bbabc3af17a11307803ec8f0fcad9fae512a8bf36467"
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dependencies = [
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"bitflags",
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]
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[[package]]
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name = "heck"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
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dependencies = [
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"unicode-segmentation",
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]
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[[package]]
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name = "hermit-abi"
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version = "0.1.16"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "instant"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "63312a18f7ea8760cdd0a7c5aac1a619752a246b833545e3e36d1f81f7cd9e66"
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dependencies = [
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"cfg-if",
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]
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[[package]]
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name = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "libc"
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version = "0.2.77"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f2f96b10ec2560088a8e76961b00d47107b3a625fecb76dedb29ee7ccbf98235"
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[[package]]
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name = "lock_api"
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version = "0.4.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "28247cc5a5be2f05fbcd76dd0cf2c7d3b5400cb978a28042abcd4fa0b3f8261c"
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dependencies = [
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"scopeguard",
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]
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[[package]]
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name = "minecraft-regions-tool"
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version = "0.1.0"
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dependencies = [
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"byteorder",
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"num_cpus",
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"scheduled-thread-pool",
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"structopt",
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]
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[[package]]
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name = "num_cpus"
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version = "1.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "05499f3756671c15885fee9034446956fff3f243d6077b91e5767df161f766b3"
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dependencies = [
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"hermit-abi",
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"libc",
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]
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[[package]]
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name = "parking_lot"
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version = "0.11.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a4893845fa2ca272e647da5d0e46660a314ead9c2fdd9a883aabc32e481a8733"
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dependencies = [
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"instant",
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"lock_api",
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"parking_lot_core",
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]
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[[package]]
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name = "parking_lot_core"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c361aa727dd08437f2f1447be8b59a33b0edd15e0fcee698f935613d9efbca9b"
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dependencies = [
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"cfg-if",
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"cloudabi",
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"instant",
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"libc",
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"redox_syscall",
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"smallvec",
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"winapi",
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]
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[[package]]
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name = "proc-macro-error"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
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dependencies = [
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"proc-macro-error-attr",
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"proc-macro2",
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"quote",
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"syn",
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"version_check",
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]
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[[package]]
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name = "proc-macro-error-attr"
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version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
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dependencies = [
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"proc-macro2",
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"quote",
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"version_check",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.21"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "36e28516df94f3dd551a587da5357459d9b36d945a7c37c3557928c1c2ff2a2c"
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dependencies = [
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"unicode-xid",
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]
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[[package]]
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name = "quote"
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version = "1.0.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "redox_syscall"
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version = "0.1.57"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
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[[package]]
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name = "scheduled-thread-pool"
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version = "0.2.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dc6f74fd1204073fa02d5d5d68bec8021be4c38690b61264b2fdb48083d0e7d7"
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dependencies = [
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"parking_lot",
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]
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[[package]]
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name = "scopeguard"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
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[[package]]
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name = "smallvec"
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version = "1.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
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[[package]]
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name = "strsim"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
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[[package]]
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name = "structopt"
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version = "0.3.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a33f6461027d7f08a13715659b2948e1602c31a3756aeae9378bfe7518c72e82"
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dependencies = [
|
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"clap",
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"lazy_static",
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"structopt-derive",
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]
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[[package]]
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name = "structopt-derive"
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version = "0.4.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c92e775028122a4b3dd55d58f14fc5120289c69bee99df1d117ae30f84b225c9"
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dependencies = [
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"heck",
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"proc-macro-error",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "syn"
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version = "1.0.41"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "6690e3e9f692504b941dc6c3b188fd28df054f7fb8469ab40680df52fdcc842b"
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dependencies = [
|
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"proc-macro2",
|
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"quote",
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"unicode-xid",
|
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]
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[[package]]
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name = "textwrap"
|
||||||
|
version = "0.11.0"
|
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|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
|
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dependencies = [
|
||||||
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"unicode-width",
|
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]
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|
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[[package]]
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||||||
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name = "unicode-segmentation"
|
||||||
|
version = "1.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-width"
|
||||||
|
version = "0.1.8"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
|
||||||
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|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "vec_map"
|
||||||
|
version = "0.8.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "winapi"
|
||||||
|
version = "0.3.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||||
|
dependencies = [
|
||||||
|
"winapi-i686-pc-windows-gnu",
|
||||||
|
"winapi-x86_64-pc-windows-gnu",
|
||||||
|
]
|
||||||
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|
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|
[[package]]
|
||||||
|
name = "winapi-i686-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||||
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|
||||||
|
[[package]]
|
||||||
|
name = "winapi-x86_64-pc-windows-gnu"
|
||||||
|
version = "0.4.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||||
@ -0,0 +1,13 @@
|
|||||||
|
[package]
|
||||||
|
name = "minecraft-regions-tool"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["trivernis <trivernis@protonmail.com>"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
byteorder = "1.3.4"
|
||||||
|
structopt = "0.3.18"
|
||||||
|
scheduled-thread-pool = "0.2.5"
|
||||||
|
num_cpus = "1.13.0"
|
||||||
@ -0,0 +1,2 @@
|
|||||||
|
pub mod region_file;
|
||||||
|
pub mod world_folder;
|
||||||
@ -0,0 +1,28 @@
|
|||||||
|
use minecraft_regions_tool::world_folder::WorldFolder;
|
||||||
|
use std::path::PathBuf;
|
||||||
|
use structopt::StructOpt;
|
||||||
|
|
||||||
|
#[derive(StructOpt, Debug)]
|
||||||
|
struct Opt {
|
||||||
|
/// Path to the world folder
|
||||||
|
#[structopt(parse(from_os_str))]
|
||||||
|
input: PathBuf,
|
||||||
|
|
||||||
|
#[structopt(subcommand)]
|
||||||
|
sub_command: SubCommand,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(StructOpt, Debug)]
|
||||||
|
#[structopt()]
|
||||||
|
enum SubCommand {
|
||||||
|
/// Return the total number of chunks in the world
|
||||||
|
Count,
|
||||||
|
}
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let opt: Opt = Opt::from_args();
|
||||||
|
let world = WorldFolder::new(opt.input);
|
||||||
|
match opt.sub_command {
|
||||||
|
SubCommand::Count => println!("Chunk Count: {}", world.count_chunks().unwrap()),
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,91 @@
|
|||||||
|
use byteorder::{BigEndian, ByteOrder};
|
||||||
|
use std::io::{Read, Result};
|
||||||
|
|
||||||
|
const BLOCK_SIZE: usize = 4096;
|
||||||
|
|
||||||
|
pub struct RegionFile {
|
||||||
|
reader: Box<dyn Read>,
|
||||||
|
locations: Locations,
|
||||||
|
timestamps: Timestamps,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl RegionFile {
|
||||||
|
pub fn new(reader: Box<dyn Read>) -> Result<Self> {
|
||||||
|
let mut locations_raw = [0u8; BLOCK_SIZE];
|
||||||
|
let mut timestamps_raw = [0u8; BLOCK_SIZE];
|
||||||
|
let mut reader = reader;
|
||||||
|
reader.read_exact(&mut locations_raw)?;
|
||||||
|
reader.read_exact(&mut timestamps_raw)?;
|
||||||
|
|
||||||
|
Ok(Self {
|
||||||
|
locations: Locations::from_bytes(&locations_raw),
|
||||||
|
timestamps: Timestamps::from_bytes(×tamps_raw),
|
||||||
|
reader,
|
||||||
|
})
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the number of chunks in the file
|
||||||
|
pub fn count_chunks(&self) -> usize {
|
||||||
|
let mut count = 0;
|
||||||
|
for x in 0..32 {
|
||||||
|
for z in 0..32 {
|
||||||
|
if !(self.locations.get_chunk_offset(x, z) == Some(0)
|
||||||
|
&& self.locations.get_chunk_sectors(x, z) == Some(0))
|
||||||
|
{
|
||||||
|
count += 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub struct Locations {
|
||||||
|
inner: Vec<(u32, u8)>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Locations {
|
||||||
|
pub fn from_bytes(bytes: &[u8; BLOCK_SIZE]) -> Self {
|
||||||
|
let mut locations = Vec::new();
|
||||||
|
|
||||||
|
for i in (0..BLOCK_SIZE - 1).step_by(4) {
|
||||||
|
let mut offset = BigEndian::read_u32(&bytes[i..i + 4]);
|
||||||
|
offset = offset >> 1;
|
||||||
|
let count = bytes[i + 3];
|
||||||
|
locations.push((offset, count));
|
||||||
|
}
|
||||||
|
|
||||||
|
Self { inner: locations }
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the offset of a chunk
|
||||||
|
pub fn get_chunk_offset(&self, x: usize, z: usize) -> Option<u32> {
|
||||||
|
let index = x % 32 + (z % 32) * 32;
|
||||||
|
self.inner.get(index).map(|e| (*e).0)
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns the number of sectors for a chunk
|
||||||
|
pub fn get_chunk_sectors(&self, x: usize, z: usize) -> Option<u8> {
|
||||||
|
let index = x % 32 + (z % 32) * 32;
|
||||||
|
self.inner.get(index).map(|e| (*e).1)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub struct Timestamps {
|
||||||
|
inner: Vec<u32>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Timestamps {
|
||||||
|
pub fn from_bytes(bytes: &[u8; BLOCK_SIZE]) -> Self {
|
||||||
|
let mut timestamps = Vec::new();
|
||||||
|
|
||||||
|
for i in (0..BLOCK_SIZE - 1).step_by(4) {
|
||||||
|
timestamps.push(BigEndian::read_u32(&bytes[i..i + 4]))
|
||||||
|
}
|
||||||
|
|
||||||
|
Self { inner: timestamps }
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,33 @@
|
|||||||
|
use crate::region_file::RegionFile;
|
||||||
|
use std::ffi::OsStr;
|
||||||
|
use std::fs;
|
||||||
|
use std::fs::File;
|
||||||
|
use std::io;
|
||||||
|
use std::io::BufReader;
|
||||||
|
use std::path::PathBuf;
|
||||||
|
|
||||||
|
pub struct WorldFolder {
|
||||||
|
path: PathBuf,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl WorldFolder {
|
||||||
|
pub fn new(path: PathBuf) -> Self {
|
||||||
|
Self { path }
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn count_chunks(&self) -> io::Result<u64> {
|
||||||
|
let mut count = 0u64;
|
||||||
|
let region_file_path = self.path.join(PathBuf::from("region"));
|
||||||
|
|
||||||
|
for file in fs::read_dir(region_file_path)? {
|
||||||
|
let file_path = file?.path();
|
||||||
|
if file_path.extension() == Some(OsStr::new("mca")) {
|
||||||
|
let f = File::open(file_path)?;
|
||||||
|
let region_file = RegionFile::new(Box::new(BufReader::new(f)))?;
|
||||||
|
count += region_file.count_chunks() as u64;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(count)
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue