diff --git a/Cargo.lock b/Cargo.lock
index c6348cd..b1e34ac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -86,6 +86,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "approx"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f2a05fd1bd10b2527e20a2cd32d8873d115b8b39fe219ee25f42a8aca6ba278"
+dependencies = [
+ "num-traits 0.2.16",
+]
+
+[[package]]
+name = "array-init"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d62b7694a562cdf5a74227903507c56ab2cc8bdd1f781ed5cb4cf9c9f810bfc"
+
 [[package]]
 name = "arrayref"
 version = "0.3.7"
@@ -163,6 +178,30 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "binrw"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f846d8732b2a55b569b885852ecc925a2b1f24568f4707f8b1ccd5dc6805ea9b"
+dependencies = [
+ "array-init",
+ "binrw_derive",
+ "bytemuck",
+]
+
+[[package]]
+name = "binrw_derive"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c2aa66a5e35daf7f91ed44c945886597ef4c327f34f68b6bbf22951a250ceeb"
+dependencies = [
+ "either",
+ "owo-colors",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -238,12 +277,27 @@ dependencies = [
  "objc2-encode",
 ]
 
+[[package]]
+name = "build_const"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4ae4235e6dac0694637c763029ecea1a2ec9e4e06ec2729bd21ba4d9c863eb7"
+
 [[package]]
 name = "bumpalo"
 version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e2c3daef883ecc1b5d58c15adae93470a91d425f3532ba1695849656af3fc1"
 
+[[package]]
+name = "bv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8834bb1d8ee5dc048ee3124f2c7c1afcc6bc9aed03f11e9dfd8c69470a5db340"
+dependencies = [
+ "feature-probe",
+]
+
 [[package]]
 name = "bytemuck"
 version = "1.13.1"
@@ -264,6 +318,12 @@ dependencies = [
  "syn 2.0.29",
 ]
 
+[[package]]
+name = "byteorder"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
+
 [[package]]
 name = "byteorder"
 version = "1.4.3"
@@ -306,6 +366,16 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
+[[package]]
+name = "cgmath"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a98d30140e3296250832bbaaff83b27dcd6fa3cc70fb6f1f3e5c9c0023b5317"
+dependencies = [
+ "approx",
+ "num-traits 0.2.16",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -383,6 +453,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
+dependencies = [
+ "build_const",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -429,7 +508,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "594ecd967c2f40db5dde8da4c356975fc1fe030e951c7c3962f6dc2e80042e87"
 dependencies = [
  "bitflags 1.3.2",
- "byteorder",
+ "byteorder 1.4.3",
  "enum_primitive",
 ]
 
@@ -465,6 +544,12 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
 
+[[package]]
+name = "either"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+
 [[package]]
 name = "enum_primitive"
 version = "0.1.1"
@@ -538,6 +623,12 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "feature-probe"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "835a3dc7d1ec9e75e2b5fb4ba75396837112d2060b03f7d43bc1897c7f7211da"
+
 [[package]]
 name = "flate2"
 version = "1.0.27"
@@ -937,6 +1028,25 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "lzma"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "782ba3f542e8bc1349386c15e9dc3119ae6da96479f96b3863cc7a88bbdfd4e4"
+dependencies = [
+ "byteorder 0.5.3",
+]
+
+[[package]]
+name = "lzma-rs"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aba8ecb0450dfabce4ad72085eed0a75dffe8f21f7ada05638564ea9db2d7fb1"
+dependencies = [
+ "byteorder 1.4.3",
+ "crc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -1241,6 +1351,12 @@ dependencies = [
  "ttf-parser",
 ]
 
+[[package]]
+name = "owo-colors"
+version = "3.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
+
 [[package]]
 name = "parking"
 version = "2.1.0"
@@ -1535,7 +1651,7 @@ version = "0.8.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f9860a6cc38ed1da53456442089b4dfa35e7cedaa326df63017af88385e6b20"
 dependencies = [
- "byteorder",
+ "byteorder 1.4.3",
  "num-traits 0.2.16",
  "paste",
 ]
@@ -1546,7 +1662,7 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bffea85eea980d8a74453e5d02a8d93028f3c34725de143085a844ebe953258a"
 dependencies = [
- "byteorder",
+ "byteorder 1.4.3",
  "rmp",
  "serde",
 ]
@@ -1705,6 +1821,7 @@ dependencies = [
  "rbx_dom_weak",
  "rbx_reflection_database",
  "rbx_xml",
+ "vbsp",
  "wgpu",
  "winit",
 ]
@@ -1743,6 +1860,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn_util"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6754c4559b79657554e9d8a0d56e65e490c76d382b9c23108364ec4125dea23c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.2.0"
@@ -1844,6 +1972,35 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "vbsp"
+version = "0.1.0"
+source = "git+https://github.com/icewind1991/vbsp?rev=0850bb8dbd695a770d39a06f2cc880aa9d626bf7#0850bb8dbd695a770d39a06f2cc880aa9d626bf7"
+dependencies = [
+ "arrayvec",
+ "binrw",
+ "bitflags 1.3.2",
+ "bv",
+ "cgmath",
+ "lzma-rs",
+ "num_enum 0.5.11",
+ "static_assertions",
+ "thiserror",
+ "vbsp-derive",
+ "zip",
+]
+
+[[package]]
+name = "vbsp-derive"
+version = "0.1.0"
+source = "git+https://github.com/icewind1991/vbsp?rev=0850bb8dbd695a770d39a06f2cc880aa9d626bf7#0850bb8dbd695a770d39a06f2cc880aa9d626bf7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "syn_util",
+]
+
 [[package]]
 name = "vec_map"
 version = "0.8.2"
@@ -2363,3 +2520,14 @@ name = "xml-rs"
 version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "47430998a7b5d499ccee752b41567bc3afc57e1327dc855b1a2aa44ce29b5fa1"
+
+[[package]]
+name = "zip"
+version = "0.6.3"
+source = "git+https://github.com/icewind1991/zip?branch=lzma-decompression#67239e847f4fbe3a5b847707ee3228ac370388f5"
+dependencies = [
+ "byteorder 1.4.3",
+ "crc32fast",
+ "crossbeam-utils",
+ "lzma",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 00031aa..008f62b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,6 +21,7 @@ rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"
 rbx_reflection_database = "0.2.7"
 rbx_xml = "0.13.1"
+vbsp = { git="https://github.com/icewind1991/vbsp", rev = "0850bb8dbd695a770d39a06f2cc880aa9d626bf7" }
 wgpu = "0.17.0"
 winit = "0.28.6"