load roblox map with epic cube code

Cargo.lock

@@ -157,6 +157,12 @@ dependencies = [
  "rustc-demangle",
 ]
 
+[[package]]
+name = "base64"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
 [[package]]
 name = "bit-set"
 version = "0.5.3"
@@ -184,12 +190,35 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
 
+[[package]]
+name = "blake3"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "199c42ab6972d92c9f8995f086273d25c42fc0f7b2a1fcefba465c1352d25ba5"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "cc",
+ "cfg-if",
+ "constant_time_eq",
+ "digest",
+]
+
 [[package]]
 name = "block"
 version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "block-sys"
 version = "0.1.0-beta.1"
@@ -302,6 +331,12 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7144d30dcf0fafbce74250a3963025d8d52177934239851c917d29f1df280c2"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.3"
@@ -360,6 +395,16 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
 [[package]]
 name = "d3d12"
 version = "0.7.0"
@@ -382,6 +427,17 @@ dependencies = [
  "enum_primitive",
 ]
 
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "dispatch"
 version = "0.2.0"
@@ -555,6 +611,16 @@ dependencies = [
  "waker-fn",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.10"
@@ -822,6 +888,26 @@ version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
+[[package]]
+name = "lz4"
+version = "1.24.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e9e2dd86df36ce760a60f6ff6ad526f7ba1f14ba0356f8254fb6905e6494df1"
+dependencies = [
+ "libc",
+ "lz4-sys",
+]
+
+[[package]]
+name = "lz4-sys"
+version = "1.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57d27b317e207b10f69f5e75494119e391a96f48861ae870d1da6edac98ca900"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -1198,6 +1284,12 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22686f4785f02a4fcc856d3b3bb19bf6c8160d103f7a99cc258bddd0251dc7f2"
 
+[[package]]
+name = "ppv-lite86"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
+
 [[package]]
 name = "proc-macro-crate"
 version = "1.3.1"
@@ -1222,6 +1314,19 @@ name = "profiling"
 version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46b2164ebdb1dfeec5e337be164292351e11daf63a05174c6776b2f47460f0c9"
+dependencies = [
+ "profiling-procmacros",
+]
+
+[[package]]
+name = "profiling-procmacros"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74c55e9e629af5298a40e0fa106435b2da30484c4ec76b41d19bc4d00dd8b903"
+dependencies = [
+ "quote",
+ "syn 2.0.29",
+]
 
 [[package]]
 name = "quote"
@@ -1232,6 +1337,36 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rand"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+dependencies = [
+ "libc",
+ "rand_chacha",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+dependencies = [
+ "ppv-lite86",
+ "rand_core",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "range-alloc"
 version = "0.1.3"
@@ -1244,6 +1379,69 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2ff9a1f06a88b01621b7ae906ef0211290d1c8a168a15542486a8f61c0833b9"
 
+[[package]]
+name = "rbx_binary"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e50573021d04b680018955662eba7dc4aac3de92219231798f6c9b41e38ab01"
+dependencies = [
+ "log",
+ "lz4",
+ "profiling",
+ "rbx_dom_weak",
+ "rbx_reflection",
+ "rbx_reflection_database",
+ "thiserror",
+]
+
+[[package]]
+name = "rbx_dom_weak"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "161729449bbb0cfa657ce7bcca6a160d0af06d8b8d9efdc9abe14735dccacdb9"
+dependencies = [
+ "rbx_types",
+ "serde",
+]
+
+[[package]]
+name = "rbx_reflection"
+version = "4.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08bd48487192046fec8f805f3fa29f3d7d5beb9890b0859b1a92bd8aff580343"
+dependencies = [
+ "rbx_types",
+ "serde",
+ "thiserror",
+]
+
+[[package]]
+name = "rbx_reflection_database"
+version = "0.2.7+roblox-588"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1be6cf674182806f11ad4899dd1feafe977591f1ae035ae05a58d4b74e487276"
+dependencies = [
+ "lazy_static",
+ "rbx_reflection",
+ "rmp-serde",
+ "serde",
+]
+
+[[package]]
+name = "rbx_types"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "070106e926b8ae54c7bc443e5db4d868d7f0af51c1d7cfd7efe1364c1753d8a3"
+dependencies = [
+ "base64",
+ "bitflags 1.3.2",
+ "blake3",
+ "lazy_static",
+ "rand",
+ "serde",
+ "thiserror",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.3.5"
@@ -1288,6 +1486,28 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "216080ab382b992234dda86873c18d4c48358f5cfcb70fd693d7f6f2131b628b"
 
+[[package]]
+name = "rmp"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f9860a6cc38ed1da53456442089b4dfa35e7cedaa326df63017af88385e6b20"
+dependencies = [
+ "byteorder",
+ "num-traits 0.2.16",
+ "paste",
+]
+
+[[package]]
+name = "rmp-serde"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bffea85eea980d8a74453e5d02a8d93028f3c34725de143085a844ebe953258a"
+dependencies = [
+ "byteorder",
+ "rmp",
+ "serde",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -1338,6 +1558,26 @@ dependencies = [
  "tiny-skia",
 ]
 
+[[package]]
+name = "serde"
+version = "1.0.188"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.188"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.29",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.7"
@@ -1415,6 +1655,9 @@ dependencies = [
  "log",
  "obj",
  "pollster",
+ "rbx_binary",
+ "rbx_dom_weak",
+ "rbx_reflection_database",
  "wgpu",
  "winit",
 ]
@@ -1425,6 +1668,12 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
 
+[[package]]
+name = "subtle"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -1524,6 +1773,12 @@ version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a464a4b34948a5f67fddd2b823c62d9d92e44be75058b99939eae6c5b6960b33"
 
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.11"

Cargo.toml

@@ -14,6 +14,9 @@ glam = "0.24.1"
 log = "0.4.20"
 obj = "0.10.2"
 pollster = "0.3.0"
+rbx_binary = "0.7.1"
+rbx_dom_weak = "2.5.0"
+rbx_reflection_database = "0.2.7"
 wgpu = "0.17.0"
 winit = "0.28.6"
 

src/lib.rs

@@ -2,3 +2,4 @@ pub mod framework;
 pub mod body;
 pub mod zeroes;
 pub mod instruction;
+pub mod load_roblox;

src/load_roblox.rs

@@ -0,0 +1,28 @@
+fn class_is_a(class: &str, superclass: &str) -> bool {
+	if class==superclass {
+		return true
+	}
+	let class_descriptor=rbx_reflection_database::get().classes.get(class);
+	if let Some(descriptor) = &class_descriptor {
+		if let Some(class_super) = &descriptor.superclass {
+			return class_is_a(&class_super, superclass)
+		}
+	}
+	return false
+}
+
+pub fn get_objects(buf_thing: std::io::BufReader<&[u8]>, superclass: &str) -> Result<std::vec::Vec<rbx_dom_weak::Instance>, Box<dyn std::error::Error>> {
+	// Using buffered I/O is recommended with rbx_binary
+	let dom = rbx_binary::from_reader(buf_thing)?;
+
+	let mut objects = std::vec::Vec::<rbx_dom_weak::Instance>::new();
+	//move matching instances into objects
+	let (_,mut instances) = dom.into_raw();
+	for (_,instance) in instances.drain() {
+		if class_is_a(instance.class.as_str(), superclass) {
+			objects.push(instance);
+		}
+	}
+
+	return Ok(objects)
+}

src/main.rs

@@ -230,6 +230,131 @@ impl strafe_client::framework::Example for Skybox {
 		modeldatas[1].transform=glam::Mat4::from_translation(glam::vec3(10.,5.,10.));
 		modeldatas[2].transform=glam::Mat4::from_translation(glam::vec3(-10.,5.,10.));
 
+		let input = std::io::BufReader::new(&include_bytes!("../maps/bhop_easyhop.rbxm")[..]);
+		match strafe_client::load_roblox::get_objects(input, "BasePart") {
+			Ok(objects)=>{
+				for object in objects.iter() {
+					if let (
+							Some(rbx_dom_weak::types::Variant::CFrame(cf)),
+							Some(rbx_dom_weak::types::Variant::Vector3(size)),
+							Some(rbx_dom_weak::types::Variant::Float32(transparency)),
+						) = (
+							object.properties.get("CFrame"),
+							object.properties.get("Size"),
+							object.properties.get("Transparency"),
+						)
+					{
+						if *transparency==1.0 {
+							continue;
+						}
+						//simply draw a box
+						let face_data = [
+							[0.0f32, 0., 1.],
+							[0.0f32, 0., -1.],
+							[1.0f32, 0., 0.],
+							[-1.0f32, 0., 0.],
+							[0.0f32, 1., 0.],
+							[0.0f32, -1., 0.],
+						];
+						let texture_data = [
+							[1.0f32, 0.],
+							[0.0f32, 0.],
+							[0.0f32, 1.],
+							[1.0f32, 1.],
+						];
+						let vertex_data = [
+							// top (0, 0, 1)
+							[-1.0f32, -1., 1.],
+							[1.0f32, -1., 1.],
+							[1.0f32, 1., 1.],
+							[-1.0f32, 1., 1.],
+							// bottom (0, 0, -1)
+							[-1.0f32, 1., -1.],
+							[1.0f32, 1., -1.],
+							[1.0f32, -1., -1.],
+							[-1.0f32, -1., -1.],
+							// right (1, 0, 0)
+							[1.0f32, -1., -1.],
+							[1.0f32, 1., -1.],
+							[1.0f32, 1., 1.],
+							[1.0f32, -1., 1.],
+							// left (-1, 0, 0)
+							[-1.0f32, -1., 1.],
+							[-1.0f32, 1., 1.],
+							[-1.0f32, 1., -1.],
+							[-1.0f32, -1., -1.],
+							// front (0, 1, 0)
+							[1.0f32, 1., -1.],
+							[-1.0f32, 1., -1.],
+							[-1.0f32, 1., 1.],
+							[1.0f32, 1., 1.],
+							// back (0, -1, 0)
+							[1.0f32, -1., 1.],
+							[-1.0f32, -1., 1.],
+							[-1.0f32, -1., -1.],
+							[1.0f32, -1., -1.],
+						];
+						let mut indices = Vec::new();
+						let mut vertices = Vec::new();
+						let mut vertex_index = std::collections::HashMap::<usize,u16>::new();
+						for face in 0..6 {
+							for end_index in 2..4 {
+								for &index in &[0, end_index - 1, end_index] {
+									let vert = face*4+index;
+									let unique_id=(vert * 1<<0) + (index * 1<<8) + (face * 1<<16);
+									if let Some(&i)=vertex_index.get(&unique_id){
+										indices.push(i);
+									}else{
+										let i=vertices.len() as u16;
+										vertices.push(Vertex {
+											pos: vertex_data[vert],
+											texture: texture_data[index],
+											normal: face_data[face],
+										});
+										vertex_index.insert(unique_id,i);
+										indices.push(i);
+									}
+								}
+							}
+						}
+						let index_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+							label: Some("Index"),
+							contents: bytemuck::cast_slice(&indices),
+							usage: wgpu::BufferUsages::INDEX,
+						});
+						let mut entities = Vec::<Entity>::new();
+						entities.push(Entity {
+							index_buf,
+							index_count: indices.len() as u32,
+						});
+						let vertex_buf = device.create_buffer_init(&wgpu::util::BufferInitDescriptor {
+							label: Some("Vertex"),
+							contents: bytemuck::cast_slice(&vertices),
+							usage: wgpu::BufferUsages::VERTEX,
+						});
+						modeldatas.push(ModelData {
+							transform: glam::Mat4::from_translation(
+								glam::Vec3::new(cf.position.x,cf.position.y,cf.position.z)
+							)
+							* glam::Mat4::from_mat3(
+								glam::Mat3::from_cols(
+									glam::Vec3::new(cf.orientation.x.x,cf.orientation.y.x,cf.orientation.z.x),
+									glam::Vec3::new(cf.orientation.x.y,cf.orientation.y.y,cf.orientation.z.y),
+									glam::Vec3::new(cf.orientation.x.z,cf.orientation.y.z,cf.orientation.z.z),
+								),
+							)
+							* glam::Mat4::from_scale(
+								glam::Vec3::new(size.x,size.y,size.z)/2.0
+							),
+							vertex_buf,
+							entities,
+						});
+					}
+				}
+			},
+			Err(e) => println!("lmao err {:?}", e),
+		}
+
 		let main_bind_group_layout = device.create_bind_group_layout(&wgpu::BindGroupLayoutDescriptor {
 			label: None,
 			entries: &[