scratchpad: show physics only

the latter change is because roblox-to-snf expects the files in textures, not textures/dds

Cargo.toml

@@ -15,6 +15,7 @@ members = [
 	"lib/rbxassetid",
 	"lib/roblox_emulator",
 	"lib/snf",
+	"map-tool",
 	"strafe-client",
 ]
 resolver = "2"

integration-testing/Cargo.toml

@@ -4,6 +4,6 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-strafesnet_common = { version = "0.5.2", path = "../lib/common", registry = "strafesnet" }
-strafesnet_physics = { version = "0.1.0", path = "../engine/physics", registry = "strafesnet" }
+strafesnet_common = { path = "../lib/common", registry = "strafesnet" }
+strafesnet_physics = { path = "../engine/physics", registry = "strafesnet" }
 strafesnet_snf = { path = "../lib/snf", registry = "strafesnet" }

lib/bsp_loader/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafesnet_bsp_loader"
-version = "0.2.2"
+version = "0.3.0"
 edition = "2021"
 repository = "https://git.itzana.me/StrafesNET/strafe-project"
 license = "MIT OR Apache-2.0"
@@ -11,7 +11,8 @@ authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 
 [dependencies]
 glam = "0.29.0"
-strafesnet_common = { path = "../common", registry = "strafesnet" }
-strafesnet_deferred_loader = { version = "0.5.0", path = "../deferred_loader" }
+strafesnet_common = { version = "0.6.0", path = "../common", registry = "strafesnet" }
+strafesnet_deferred_loader = { version = "0.5.0", path = "../deferred_loader", registry = "strafesnet" }
 vbsp = "0.6.0"
 vmdl = "0.2.0"
+vpk = "0.2.0"

lib/bsp_loader/src/brush.rs

@@ -0,0 +1,294 @@
+use strafesnet_common::integer::Planar64;
+use strafesnet_common::{model,integer};
+use strafesnet_common::integer::{vec3::Vector3,Fixed,Ratio};
+
+use crate::{valve_transform_normal,valve_transform_dist};
+
+#[derive(Hash,Eq,PartialEq)]
+struct Face{
+	normal:integer::Planar64Vec3,
+	dot:integer::Planar64,
+}
+
+#[derive(Debug)]
+struct Faces{
+	faces:Vec<Vec<integer::Planar64Vec3>>,
+}
+
+fn solve3(c0:&Face,c1:&Face,c2:&Face)->Option<Ratio<Vector3<Fixed<3,96>>,Fixed<3,96>>>{
+	let n0_n1=c0.normal.cross(c1.normal);
+	let det=c2.normal.dot(n0_n1);
+	if det.abs().is_zero(){
+		return None;
+	}
+	Some((
+		c1.normal.cross(c2.normal)*c0.dot
+		+c2.normal.cross(c0.normal)*c1.dot
+		+c0.normal.cross(c1.normal)*c2.dot
+	)/det)
+}
+
+#[derive(Debug)]
+pub enum PlanesToFacesError{
+	InitFace1,
+	InitFace2,
+	InitIntersection,
+	FindNewIntersection,
+	EmptyFaces,
+	InfiniteLoop1,
+	InfiniteLoop2,
+}
+impl std::fmt::Display for PlanesToFacesError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl core::error::Error for PlanesToFacesError{}
+
+fn planes_to_faces(face_list:std::collections::HashSet<Face>)->Result<Faces,PlanesToFacesError>{
+	let mut faces=Vec::new();
+	// for each face, determine one edge at a time until you complete the face
+	'face: for face0 in &face_list{
+		// 1. find first edge
+		// 2. follow edges around face
+
+		// === finding first edge ===
+		// 1. pick the most perpendicular set of 3 faces
+		// 2. check if any faces occlude the intersection
+		// 3. use this test to replace left and right alternating until they are not occluded
+
+		// find the most perpendicular face to face0
+		let mut face1=face_list.iter().min_by_key(|&p|{
+			face0.normal.dot(p.normal).abs()
+		}).ok_or(PlanesToFacesError::InitFace1)?;
+
+		// direction of edge formed by face0 x face1
+		let edge_dir=face0.normal.cross(face1.normal);
+
+		// find the most perpendicular face to both face0 and face1
+		let mut face2=face_list.iter().max_by_key(|&p|{
+			// find the best *oriented* face (no .abs())
+			edge_dir.dot(p.normal)
+		}).ok_or(PlanesToFacesError::InitFace2)?;
+
+		let mut detect_loop=200u8;
+
+		let mut intersection=solve3(face0,face1,face2).ok_or(PlanesToFacesError::InitIntersection)?;
+
+		// repeatedly update face0, face1 until all faces form part of the convex solid
+		'find: loop{
+			if let Some(a)=detect_loop.checked_sub(1){
+				detect_loop=a;
+			}else{
+				return Err(PlanesToFacesError::InfiniteLoop1);
+			}
+			// test if any *other* faces occlude the intersection
+			for new_face in &face_list{
+				// new face occludes intersection point
+				if (new_face.dot.fix_2()/Planar64::ONE).lt_ratio(new_face.normal.dot(intersection.num)/intersection.den){
+					// replace one of the faces with the new face
+					// dont' try to replace face0 because we are exploring that face in particular
+					if let Some(new_intersection)=solve3(face0,new_face,face2){
+						// face1 does not occlude (or intersect) the new intersection
+						if (face1.dot.fix_2()/Planar64::ONE).gt_ratio(face1.normal.dot(new_intersection.num)/new_intersection.den){
+							face1=new_face;
+							intersection=new_intersection;
+							continue 'find;
+						}
+					}
+					if let Some(new_intersection)=solve3(face0,face1,new_face){
+						// face2 does not occlude (or intersect) the new intersection
+						if (face2.dot.fix_2()/Planar64::ONE).gt_ratio(face2.normal.dot(new_intersection.num)/new_intersection.den){
+							face2=new_face;
+							intersection=new_intersection;
+							continue 'find;
+						}
+					}
+				}
+			}
+
+			// we have found a set of faces for which the intersection is on the convex solid
+			break 'find;
+		}
+
+		// check if face0 must go, meaning it is a degenerate face and does not contribute anything to the convex solid
+		for new_face in &face_list{
+			if core::ptr::eq(face0,new_face){
+				continue;
+			}
+			if core::ptr::eq(face1,new_face){
+				continue;
+			}
+			if core::ptr::eq(face2,new_face){
+				continue;
+			}
+			if let Some(new_intersection)=solve3(new_face,face1,face2){
+				// face0 does not occlude (or intersect) the new intersection
+				if (face0.dot.fix_2()/Planar64::ONE).lt_ratio(face0.normal.dot(new_intersection.num)/new_intersection.den){
+					// abort! reject face0 entirely
+					continue 'face;
+				}
+			}
+		}
+
+		// === follow edges around face ===
+		// Note that we chose face2 such that the 3 faces create a particular winding order.
+		// If we choose a consistent face to follow (face1, face2) it will always wind with a consistent chirality
+
+		let mut detect_loop=200u8;
+
+		// keep looping until we meet this face again
+		let face1=face1;
+		let mut face=Vec::new();
+		loop{
+			// push point onto vertices
+			// problem: this may push a vertex that does not fit in the fixed point range and is thus meaningless
+			face.push(intersection.divide().fix_1());
+
+			// we looped back around to face1, we're done!
+			if core::ptr::eq(face1,face2){
+				break;
+			}
+
+			// the measure
+			let edge_dir=face0.normal.cross(face2.normal);
+
+			// the dot product to beat
+			let d_intersection=edge_dir.dot(intersection.num)/intersection.den;
+
+			// find the next face moving clockwise around face0
+			let (new_face,new_intersection,_)=face_list.iter().filter_map(|new_face|{
+				// ignore faces that are part of the current edge
+				if core::ptr::eq(face0,new_face)
+				  |core::ptr::eq(face2,new_face){
+					return None;
+				}
+				let new_intersection=solve3(face0,face2,new_face)?;
+
+				// the d value must be larger
+				let d_new_intersection=edge_dir.dot(new_intersection.num)/new_intersection.den;
+				if d_new_intersection.le_ratio(d_intersection){
+					return None;
+				}
+
+				Some((new_face,new_intersection,d_new_intersection))
+			}).min_by_key(|&(_,_,d)|d).ok_or(PlanesToFacesError::FindNewIntersection)?;
+
+			face2=new_face;
+			intersection=new_intersection;
+
+			if let Some(a)=detect_loop.checked_sub(1){
+				detect_loop=a;
+			}else{
+				return Err(PlanesToFacesError::InfiniteLoop2);
+			}
+		}
+
+		faces.push(face);
+	}
+
+	if faces.is_empty(){
+		Err(PlanesToFacesError::EmptyFaces)
+	}else{
+		Ok(Faces{
+			faces,
+		})
+	}
+}
+
+#[derive(Debug)]
+pub enum BrushToMeshError{
+	SliceBrushSides,
+	MissingPlane,
+	InvalidFaceCount{
+		count:usize,
+	},
+	InvalidPlanes(PlanesToFacesError),
+}
+impl std::fmt::Display for BrushToMeshError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl core::error::Error for BrushToMeshError{}
+
+pub fn brush_to_mesh(bsp:&vbsp::Bsp,brush:&vbsp::Brush)->Result<model::Mesh,BrushToMeshError>{
+	let brush_start_idx=brush.brush_side as usize;
+	let sides_range=brush_start_idx..brush_start_idx+brush.num_brush_sides as usize;
+	let sides=bsp.brush_sides.get(sides_range).ok_or(BrushToMeshError::SliceBrushSides)?;
+	let face_list=sides.iter().map(|side|{
+		let plane=bsp.plane(side.plane as usize)?;
+		Some(Face{
+			normal:valve_transform_normal(plane.normal.into()),
+			dot:valve_transform_dist(plane.dist.into()),
+		})
+	}).collect::<Option<std::collections::HashSet<_>>>().ok_or(BrushToMeshError::MissingPlane)?;
+
+	if face_list.len()<4{
+		return Err(BrushToMeshError::InvalidFaceCount{count:face_list.len()});
+	}
+
+	let faces=planes_to_faces(face_list).map_err(BrushToMeshError::InvalidPlanes)?;
+
+	// generate the mesh
+	let mut mb=model::MeshBuilder::new();
+	let color=mb.acquire_color_id(glam::Vec4::ONE);
+	let tex=mb.acquire_tex_id(glam::Vec2::ZERO);
+	// normals are ignored by physics
+	let normal=mb.acquire_normal_id(integer::vec3::ZERO);
+
+	let polygon_list=faces.faces.into_iter().map(|face|{
+		face.into_iter().map(|pos|{
+			let pos=mb.acquire_pos_id(pos);
+			mb.acquire_vertex_id(model::IndexedVertex{
+				pos,
+				tex,
+				normal,
+				color,
+			})
+		}).collect()
+	}).collect();
+
+	let polygon_groups=vec![model::PolygonGroup::PolygonList(model::PolygonList::new(polygon_list))];
+	let physics_groups=vec![model::IndexedPhysicsGroup{
+		groups:vec![model::PolygonGroupId::new(0)],
+	}];
+	let graphics_groups=vec![model::IndexedGraphicsGroup{
+		render:model::RenderConfigId::new(0),
+		groups:vec![model::PolygonGroupId::new(0)],
+	}];
+
+	Ok(mb.build(polygon_groups,graphics_groups,physics_groups))
+}
+
+#[cfg(test)]
+mod test{
+	use super::*;
+	#[test]
+	fn test_cube(){
+		let face_list=[
+			Face{normal:integer::vec3::X,dot:Planar64::ONE},
+			Face{normal:integer::vec3::Y,dot:Planar64::ONE},
+			Face{normal:integer::vec3::Z,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_X,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_Y,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_Z,dot:Planar64::ONE},
+		].into_iter().collect();
+		let faces=planes_to_faces(face_list).unwrap();
+		dbg!(faces);
+	}
+	#[test]
+	fn test_cube_with_degernate_face(){
+		let face_list=[
+			Face{normal:integer::vec3::X,dot:Planar64::ONE},
+			Face{normal:integer::vec3::Y,dot:Planar64::ONE},
+			Face{normal:integer::vec3::Z,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_X,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_Y,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_Z,dot:Planar64::ONE},
+			Face{normal:integer::vec3::NEG_Z,dot:Planar64::EPSILON},
+		].into_iter().collect();
+		let faces=planes_to_faces(face_list).unwrap();
+		dbg!(faces);
+	}
+}

lib/bsp_loader/src/bsp.rs

@@ -7,6 +7,31 @@ use strafesnet_deferred_loader::texture::{RenderConfigs,Texture};
 
 use crate::valve_transform;
 
+fn ingest_vertex(
+	mb:&mut model::MeshBuilder,
+	world_position:vbsp::Vector,
+	texture_transform_u:glam::Vec4,
+	texture_transform_v:glam::Vec4,
+	normal:model::NormalId,
+	color:model::ColorId,
+)->model::VertexId{
+	//world_model.origin seems to always be 0,0,0
+	let vertex_xyz=world_position.into();
+	let pos=mb.acquire_pos_id(valve_transform(vertex_xyz));
+
+	//calculate texture coordinates
+	let pos_4d=glam::Vec3::from_array(vertex_xyz).extend(1.0);
+	let tex=glam::vec2(texture_transform_u.dot(pos_4d),texture_transform_v.dot(pos_4d));
+	let tex=mb.acquire_tex_id(tex);
+
+	mb.acquire_vertex_id(model::IndexedVertex{
+		pos,
+		tex,
+		normal,
+		color,
+	})
+}
+
 pub fn convert<'a>(
 	bsp:&'a crate::Bsp,
 	render_config_deferred_loader:&mut RenderConfigDeferredLoader<Cow<'a,str>>,
@@ -16,45 +41,41 @@ pub fn convert<'a>(
 	//figure out real attributes later
 	let mut unique_attributes=Vec::new();
 	unique_attributes.push(gameplay_attributes::CollisionAttributes::Decoration);
-	const TEMP_TOUCH_ME_ATTRIBUTE:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(0);
+	unique_attributes.push(gameplay_attributes::CollisionAttributes::contact_default());
+	const ATTRIBUTE_DECORATION:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(0);
+	const ATTRIBUTE_CONTACT_DEFAULT:gameplay_attributes::CollisionAttributesId=gameplay_attributes::CollisionAttributesId::new(1);
 
-	let mut prop_mesh_count=0;
 	//declare all prop models to Loader
-	let prop_models=bsp.static_props().map(|prop|{
-		//get or create mesh_id
-		let mesh_id=mesh_deferred_loader.acquire_mesh_id(prop.model());
-		//not the most failsafe code but this is just for the map tool lmao
-		if prop_mesh_count==mesh_id.get(){
-			prop_mesh_count+=1;
-		};
-		let placement=prop.as_prop_placement();
-		model::Model{
-			mesh:mesh_id,
-			attributes:TEMP_TOUCH_ME_ATTRIBUTE,
-			transform:integer::Planar64Affine3::new(
-				integer::mat3::try_from_f32_array_2d((
-					glam::Mat3A::from_diagonal(glam::Vec3::splat(placement.scale))
-					//TODO: figure this out
-					*glam::Mat3A::from_quat(glam::Quat::from_array(placement.rotation.into()))
-				).to_cols_array_2d()).unwrap(),
-				valve_transform(placement.origin.into()),
-			),
-			color:glam::Vec4::ONE,
-		}
-	}).collect();
+	let prop_models=Vec::new();
+	// let prop_models=bsp.static_props().map(|prop|{
+	// 	//get or create mesh_id
+	// 	let mesh_id=mesh_deferred_loader.acquire_mesh_id(prop.model());
+	// 	let placement=prop.as_prop_placement();
+	// 	model::Model{
+	// 		mesh:mesh_id,
+	// 		attributes:ATTRIBUTE_DECORATION,
+	// 		transform:integer::Planar64Affine3::new(
+	// 			integer::mat3::try_from_f32_array_2d((
+	// 				glam::Mat3A::from_diagonal(glam::Vec3::splat(placement.scale))
+	// 				//TODO: figure this out
+	// 				*glam::Mat3A::from_quat(glam::Quat::from_array(placement.rotation.into()))
+	// 			).to_cols_array_2d()).unwrap(),
+	// 			valve_transform(placement.origin.into()),
+	// 		),
+	// 		color:glam::Vec4::ONE,
+	// 	}
+	// }).collect();
 
 	//TODO: make the main map one single mesh with a bunch of different physics groups and graphics groups
 
 	//the generated MeshIds in here will collide with the Loader Mesh Ids
 	//but I can't think of a good workaround other than just remapping one later.
-	let world_meshes:Vec<model::Mesh>=bsp.models().map(|world_model|{
-		//non-deduplicated
-		let mut spam_pos=Vec::new();
-		let mut spam_tex=Vec::new();
-		let mut spam_normal=Vec::new();
-		let mut spam_vertices=Vec::new();
+	let mut world_meshes:Vec<model::Mesh>=bsp.models().map(|world_model|{
+		let mut mb=model::MeshBuilder::new();
+
+		let color=mb.acquire_color_id(glam::Vec4::ONE);
 		let mut graphics_groups=Vec::new();
-		let mut physics_group=model::IndexedPhysicsGroup::default();
+		//let mut render_id_to_graphics_group_id=std::collections::HashMap::new();
 		let polygon_groups=world_model.faces().enumerate().map(|(polygon_group_id,face)|{
 			let polygon_group_id=model::PolygonGroupId::new(polygon_group_id as u32);
 			let face_texture=face.texture();
@@ -63,64 +84,54 @@ pub fn convert<'a>(
 			let texture_transform_u=glam::Vec4::from_array(face_texture.texture_transforms_u)/(face_texture_data.width as f32);
 			let texture_transform_v=glam::Vec4::from_array(face_texture.texture_transforms_v)/(face_texture_data.height as f32);
 
-			//this automatically figures out what the texture is trying to do and creates
-			//a render config for it, and then returns the id to that render config
-			let render_id=render_config_deferred_loader.acquire_render_config_id(Some(face_texture_data.name().into()));
-
 			//normal
-			let normal=face.normal();
-			let normal_idx=spam_normal.len() as u32;
-			spam_normal.push(valve_transform(normal.into()));
-			let mut polygon_iter=face.vertex_positions().map(|vertex_position|{
-				//world_model.origin seems to always be 0,0,0
-				let vertex_xyz=(world_model.origin+vertex_position).into();
-				let pos_idx=spam_pos.len();
-				spam_pos.push(valve_transform(vertex_xyz));
-
-				//calculate texture coordinates
-				let pos=glam::Vec3::from_array(vertex_xyz).extend(1.0);
-				let tex=glam::vec2(texture_transform_u.dot(pos),texture_transform_v.dot(pos));
-				let tex_idx=spam_tex.len() as u32;
-				spam_tex.push(tex);
-
-				let vertex_id=model::VertexId::new(spam_vertices.len() as u32);
-				spam_vertices.push(model::IndexedVertex{
-					pos:model::PositionId::new(pos_idx as u32),
-					tex:model::TextureCoordinateId::new(tex_idx as u32),
-					normal:model::NormalId::new(normal_idx),
-					color:model::ColorId::new(0),
-				});
-				vertex_id
-			});
+			let normal=mb.acquire_normal_id(valve_transform(face.normal().into()));
+			let mut polygon_iter=face.vertex_positions().map(|vertex_position|
+				world_model.origin+vertex_position
+			);
 			let polygon_list=std::iter::from_fn(move||{
 				match (polygon_iter.next(),polygon_iter.next(),polygon_iter.next()){
-					(Some(v1),Some(v2),Some(v3))=>Some(vec![v1,v2,v3]),
+					(Some(v1),Some(v2),Some(v3))=>Some([v1,v2,v3]),
 					//ignore extra vertices, not sure what to do in this case, failing the whole conversion could be appropriate
 					_=>None,
 				}
+			}).map(|triplet|{
+				triplet.map(|world_position|
+					ingest_vertex(&mut mb,world_position,texture_transform_u,texture_transform_v,normal,color)
+				).to_vec()
 			}).collect();
 			if face.is_visible(){
-				//TODO: deduplicate graphics groups by render id
-				graphics_groups.push(model::IndexedGraphicsGroup{
-					render:render_id,
-					groups:vec![polygon_group_id],
-				})
+				//this automatically figures out what the texture is trying to do and creates
+				//a render config for it, and then returns the id to that render config
+				let render_id=render_config_deferred_loader.acquire_render_config_id(Some(Cow::Borrowed(face_texture_data.name())));
+				//deduplicate graphics groups by render id
+				// let graphics_group_id=*render_id_to_graphics_group_id.entry(render_id).or_insert_with(||{
+				// 	let graphics_group_id=graphics_groups.len();
+				// 	graphics_groups.push(model::IndexedGraphicsGroup{
+				// 		render:render_id,
+				// 		groups:vec![],
+				// 	});
+				// 	graphics_group_id
+				// });
+				// graphics_groups[graphics_group_id].groups.push(polygon_group_id);
 			}
-			physics_group.groups.push(polygon_group_id);
 			model::PolygonGroup::PolygonList(model::PolygonList::new(polygon_list))
 		}).collect();
-		model::Mesh{
-			unique_pos:spam_pos,
-			unique_tex:spam_tex,
-			unique_normal:spam_normal,
-			unique_color:vec![glam::Vec4::ONE],
-			unique_vertices:spam_vertices,
-			polygon_groups,
-			graphics_groups,
-			physics_groups:vec![physics_group],
-		}
+
+		mb.build(polygon_groups,graphics_groups,vec![])
 	}).collect();
 
+	let brush_mesh_start_idx=world_meshes.len();
+	for brush in &bsp.brushes{
+		let mesh_result=crate::brush::brush_to_mesh(bsp,brush);
+		match mesh_result{
+			Ok(mesh)=>world_meshes.push(mesh),
+			Err(e)=>println!("Brush mesh error: {e}"),
+		}
+	}
+	println!("How many brush: {}",bsp.brushes.len());
+	println!("Generated brush models: {}",world_meshes.len()-brush_mesh_start_idx);
+
 	let world_models:Vec<model::Model>=
 	//one instance of the main world mesh
 	std::iter::once((
@@ -146,17 +157,26 @@ pub fn convert<'a>(
 				(model::MeshId::new(mesh_id),brush.origin,brush.color)
 			)
 		)
-	).map(|(mesh_id,model_origin,vbsp::Color{r,g,b})|{
-		model::Model{
-			mesh:mesh_id,
-			attributes:TEMP_TOUCH_ME_ATTRIBUTE,
+	).map(|(mesh_id,model_origin,vbsp::Color{r,g,b})|model::Model{
+		mesh:mesh_id,
+		attributes:ATTRIBUTE_DECORATION,
+		transform:integer::Planar64Affine3::new(
+			integer::mat3::identity(),
+			valve_transform(model_origin.into())
+		),
+		color:(glam::Vec3::from_array([r as f32,g as f32,b as f32])/255.0).extend(1.0),
+	}).chain(
+		// physics models
+		(brush_mesh_start_idx..world_meshes.len()).map(|mesh_id|model::Model{
+			mesh:model::MeshId::new(mesh_id as u32),
+			attributes:ATTRIBUTE_CONTACT_DEFAULT,
 			transform:integer::Planar64Affine3::new(
 				integer::mat3::identity(),
-				valve_transform(model_origin.into())
+				integer::vec3::ZERO,
 			),
-			color:(glam::Vec3::from_array([r as f32,g as f32,b as f32])/255.0).extend(1.0),
-		}
-	}).collect();
+			color:glam::Vec4::ONE,
+		})
+	).collect();
 
 	PartialMap1{
 		attributes:unique_attributes,

lib/bsp_loader/src/lib.rs

@@ -1,20 +1,17 @@
+use strafesnet_deferred_loader::deferred_loader::{LoadFailureMode,MeshDeferredLoader,RenderConfigDeferredLoader};
+
 mod bsp;
 mod mesh;
+mod brush;
 pub mod loader;
 
-pub struct Bsp(vbsp::Bsp);
-impl Bsp{
-	pub const fn new(value:vbsp::Bsp)->Self{
-		Self(value)
-	}
-}
-impl AsRef<vbsp::Bsp> for Bsp{
-	fn as_ref(&self)->&vbsp::Bsp{
-		&self.0
-	}
-}
-
 const VALVE_SCALE:f32=1.0/16.0;
+pub(crate) fn valve_transform_dist(d:f32)->strafesnet_common::integer::Planar64{
+	(d*VALVE_SCALE).try_into().unwrap()
+}
+pub(crate) fn valve_transform_normal([x,y,z]:[f32;3])->strafesnet_common::integer::Planar64Vec3{
+	strafesnet_common::integer::vec3::try_from_f32_array([x,z,-y]).unwrap()
+}
 pub(crate) fn valve_transform([x,y,z]:[f32;3])->strafesnet_common::integer::Planar64Vec3{
 	strafesnet_common::integer::vec3::try_from_f32_array([x*VALVE_SCALE,z*VALVE_SCALE,-y*VALVE_SCALE]).unwrap()
 }
@@ -31,6 +28,38 @@ impl std::fmt::Display for ReadError{
 }
 impl std::error::Error for ReadError{}
 
+
+#[derive(Debug)]
+pub enum LoadError{
+	Texture(loader::TextureError),
+	Mesh(loader::MeshError),
+}
+impl std::fmt::Display for LoadError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for LoadError{}
+impl From<loader::TextureError> for LoadError{
+	fn from(value:loader::TextureError)->Self{
+		Self::Texture(value)
+	}
+}
+impl From<loader::MeshError> for LoadError{
+	fn from(value:loader::MeshError)->Self{
+		Self::Mesh(value)
+	}
+}
+pub struct Bsp{
+	bsp:vbsp::Bsp,
+	case_folded_file_names:std::collections::HashMap<String,String>,
+}
+impl AsRef<vbsp::Bsp> for Bsp{
+	fn as_ref(&self)->&vbsp::Bsp{
+		&self.bsp
+	}
+}
+
 pub fn read<R:std::io::Read>(mut input:R)->Result<Bsp,ReadError>{
 	let mut s=Vec::new();
 
@@ -39,5 +68,66 @@ pub fn read<R:std::io::Read>(mut input:R)->Result<Bsp,ReadError>{
 
 	vbsp::Bsp::read(s.as_slice()).map(Bsp::new).map_err(ReadError::Bsp)
 }
+impl Bsp{
+	pub fn new(bsp:vbsp::Bsp)->Self{
+		let case_folded_file_names=bsp.pack.clone().into_zip().lock().unwrap().file_names().map(|s|{
+			(s.to_lowercase(),s.to_owned())
+		}).collect();
+		Self{
+			bsp,
+			case_folded_file_names,
+		}
+	}
+	pub fn pack_get(&self,name_lowercase:&str)->Result<Option<Vec<u8>>,vbsp::BspError>{
+		match self.case_folded_file_names.get(name_lowercase){
+			Some(name_folded)=>self.bsp.pack.get(name_folded),
+			None=>Ok(None),
+		}
+	}
+	pub fn to_snf(&self,failure_mode:LoadFailureMode,vpk_list:&[Vpk])->Result<strafesnet_common::map::CompleteMap,LoadError>{
+		let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
+		let mut mesh_deferred_loader=MeshDeferredLoader::new();
 
-pub use bsp::convert;
+		let map_step1=bsp::convert(
+			self,
+			&mut texture_deferred_loader,
+			&mut mesh_deferred_loader,
+		);
+
+		let mut mesh_loader=loader::MeshLoader::new(loader::BspFinder{bsp:self,vpks:vpk_list},&mut texture_deferred_loader);
+		let prop_meshes=mesh_deferred_loader.into_meshes(&mut mesh_loader,failure_mode).map_err(LoadError::Mesh)?;
+
+		let map_step2=map_step1.add_prop_meshes(prop_meshes);
+
+		let mut texture_loader=loader::TextureLoader::new();
+		let render_configs=texture_deferred_loader.into_render_configs(&mut texture_loader,failure_mode).map_err(LoadError::Texture)?;
+
+		let map=map_step2.add_render_configs_and_textures(render_configs);
+
+		Ok(map)
+	}
+}
+pub struct Vpk{
+	vpk:vpk::VPK,
+	case_folded_file_names:std::collections::HashMap<String,String>,
+}
+impl AsRef<vpk::VPK> for Vpk{
+	fn as_ref(&self)->&vpk::VPK{
+		&self.vpk
+	}
+}
+impl Vpk{
+	pub fn new(vpk:vpk::VPK)->Vpk{
+		let case_folded_file_names=vpk.tree.keys().map(|s|{
+			(s.to_lowercase(),s.to_owned())
+		}).collect();
+		Vpk{
+			vpk,
+			case_folded_file_names,
+		}
+	}
+	pub fn tree_get(&self,name_lowercase:&str)->Option<&vpk::entry::VPKEntry>{
+		let name_folded=self.case_folded_file_names.get(name_lowercase)?;
+		self.vpk.tree.get(name_folded)
+	}
+}

lib/bsp_loader/src/loader.rs

@@ -3,7 +3,7 @@ use std::{borrow::Cow, io::Read};
 use strafesnet_common::model::Mesh;
 use strafesnet_deferred_loader::{loader::Loader,texture::Texture};
 
-use crate::{mesh::ModelData, Bsp};
+use crate::{Bsp,Vpk};
 
 #[allow(dead_code)]
 #[derive(Debug)]
@@ -73,25 +73,56 @@ impl From<vbsp::BspError> for MeshError{
 	}
 }
 
-pub struct MeshLoader<'a,'b>{
-	bsp:&'a Bsp,
-	deferred_loader:&'b mut strafesnet_deferred_loader::deferred_loader::RenderConfigDeferredLoader<Cow<'a,str>>,
+#[derive(Clone,Copy)]
+pub struct BspFinder<'bsp,'vpk>{
+	pub bsp:&'bsp Bsp,
+	pub vpks:&'vpk [Vpk],
 }
-impl MeshLoader<'_,'_>{
-	pub fn new<'a,'b>(
-		bsp:&'a Bsp,
-		deferred_loader:&'b mut strafesnet_deferred_loader::deferred_loader::RenderConfigDeferredLoader<Cow<'a,str>>,
-	)->MeshLoader<'a,'b>{
-		MeshLoader{
-			bsp,
-			deferred_loader,
+impl<'bsp,'vpk> BspFinder<'bsp,'vpk>{
+	pub fn find<'a>(&self,path:&str)->Result<Option<Cow<'a,[u8]>>,vbsp::BspError>
+		where
+			'bsp:'a,
+			'vpk:'a,
+	{
+		// search bsp
+		if let Some(data)=self.bsp.pack_get(path)?{
+			return Ok(Some(Cow::Owned(data)));
+		}
+
+		//search each vpk
+		for vpk in self.vpks{
+			if let Some(vpk_entry)=vpk.tree_get(path){
+				return Ok(Some(vpk_entry.get()?));
+			}
+		}
+
+		Ok(None)
+	}
+}
+
+pub struct ModelLoader<'bsp,'vpk,'a>{
+	finder:BspFinder<'bsp,'vpk>,
+	life:core::marker::PhantomData<&'a ()>,
+}
+impl ModelLoader<'_,'_,'_>{
+	#[inline]
+	pub const fn new<'bsp,'vpk,'a>(
+		finder:BspFinder<'bsp,'vpk>,
+	)->ModelLoader<'bsp,'vpk,'a>{
+		ModelLoader{
+			finder,
+			life:core::marker::PhantomData,
 		}
 	}
 }
-impl<'a> Loader for MeshLoader<'a,'_>{
+impl<'bsp,'vpk,'a> Loader for ModelLoader<'bsp,'vpk,'a>
+	where
+		'bsp:'a,
+		'vpk:'a,
+{
 	type Error=MeshError;
 	type Index=&'a str;
-	type Resource=Mesh;
+	type Resource=vmdl::Model;
 	fn load(&mut self,index:Self::Index)->Result<Self::Resource,Self::Error>{
 		let mdl_path_lower=index.to_lowercase();
 		//.mdl, .vvd, .dx90.vtx
@@ -101,12 +132,44 @@ impl<'a> Loader for MeshLoader<'a,'_>{
 		vvd_path.set_extension("vvd");
 		vtx_path.set_extension("dx90.vtx");
 		// TODO: search more packs, possibly using an index of multiple packs
-		let bsp=self.bsp.as_ref();
-		let mdl=bsp.pack.get(mdl_path_lower.as_str())?.ok_or(MeshError::MissingMdl)?;
-		let vtx=bsp.pack.get(vvd_path.as_os_str().to_str().unwrap())?.ok_or(MeshError::MissingVtx)?;
-		let vvd=bsp.pack.get(vtx_path.as_os_str().to_str().unwrap())?.ok_or(MeshError::MissingVvd)?;
-		let model=ModelData{mdl,vtx,vvd};
-		let mesh=model.convert_mesh(&mut self.deferred_loader)?;
+		let mdl=self.finder.find(mdl_path_lower.as_str())?.ok_or(MeshError::MissingMdl)?;
+		let vtx=self.finder.find(vtx_path.as_os_str().to_str().unwrap())?.ok_or(MeshError::MissingVtx)?;
+		let vvd=self.finder.find(vvd_path.as_os_str().to_str().unwrap())?.ok_or(MeshError::MissingVvd)?;
+		Ok(vmdl::Model::from_parts(
+			vmdl::mdl::Mdl::read(mdl.as_ref())?,
+			vmdl::vtx::Vtx::read(vtx.as_ref())?,
+			vmdl::vvd::Vvd::read(vvd.as_ref())?,
+		))
+	}
+}
+
+pub struct MeshLoader<'bsp,'vpk,'load,'a>{
+	finder:BspFinder<'bsp,'vpk>,
+	deferred_loader:&'load mut strafesnet_deferred_loader::deferred_loader::RenderConfigDeferredLoader<Cow<'a,str>>,
+}
+impl MeshLoader<'_,'_,'_,'_>{
+	#[inline]
+	pub const fn new<'bsp,'vpk,'load,'a>(
+		finder:BspFinder<'bsp,'vpk>,
+		deferred_loader:&'load mut strafesnet_deferred_loader::deferred_loader::RenderConfigDeferredLoader<Cow<'a,str>>,
+	)->MeshLoader<'bsp,'vpk,'load,'a>{
+		MeshLoader{
+			finder,
+			deferred_loader
+		}
+	}
+}
+impl<'bsp,'vpk,'load,'a> Loader for MeshLoader<'bsp,'vpk,'load,'a>
+	where
+		'bsp:'a,
+		'vpk:'a,
+{
+	type Error=MeshError;
+	type Index=&'a str;
+	type Resource=Mesh;
+	fn load(&mut self,index:Self::Index)->Result<Self::Resource,Self::Error>{
+		let model=ModelLoader::new(self.finder).load(index)?;
+		let mesh=crate::mesh::convert_mesh(model,&mut self.deferred_loader);
 		Ok(mesh)
 	}
 }

lib/bsp_loader/src/mesh.rs

@@ -5,85 +5,74 @@ use strafesnet_deferred_loader::deferred_loader::RenderConfigDeferredLoader;
 
 use crate::valve_transform;
 
-pub struct ModelData{
-	pub mdl:Vec<u8>,
-	pub vtx:Vec<u8>,
-	pub vvd:Vec<u8>,
+fn ingest_vertex(mb:&mut model::MeshBuilder,vertex:&vmdl::vvd::Vertex,color:model::ColorId)->model::VertexId{
+	let pos=mb.acquire_pos_id(valve_transform(vertex.position.into()));
+	let normal=mb.acquire_normal_id(valve_transform(vertex.normal.into()));
+	let tex=mb.acquire_tex_id(glam::Vec2::from_array(vertex.texture_coordinates));
+	mb.acquire_vertex_id(model::IndexedVertex{
+		pos,
+		tex,
+		normal,
+		color,
+	})
 }
-impl ModelData{
-	fn read_model(&self)->Result<vmdl::Model,vmdl::ModelError>{
-		Ok(vmdl::Model::from_parts(
-			vmdl::mdl::Mdl::read(self.mdl.as_ref())?,
-			vmdl::vtx::Vtx::read(self.vtx.as_ref())?,
-			vmdl::vvd::Vvd::read(self.vvd.as_ref())?,
+
+pub fn convert_mesh(model:vmdl::Model,deferred_loader:&mut RenderConfigDeferredLoader<Cow<str>>)->model::Mesh{
+	let texture_paths=model.texture_directories();
+	if texture_paths.len()!=1{
+		println!("WARNING: multiple texture paths");
+	}
+	let skin=model.skin_tables().nth(0).unwrap();
+
+	let mut mb=model::MeshBuilder::new();
+
+	let color=mb.acquire_color_id(glam::Vec4::ONE);
+
+	let model_vertices=model.vertices();
+
+	let mut graphics_groups=Vec::new();
+	let mut physics_groups=Vec::new();
+	let polygon_groups=model.meshes().enumerate().map(|(polygon_group_id,mesh)|{
+		let polygon_group_id=model::PolygonGroupId::new(polygon_group_id as u32);
+
+		let render_id=if let (Some(texture_path),Some(texture_name))=(texture_paths.get(0),skin.texture(mesh.material_index())){
+			let mut path=std::path::PathBuf::from(texture_path.as_str());
+			path.push(texture_name);
+			let index=path.as_os_str().to_str().map(|s|Cow::Owned(s.to_owned()));
+			deferred_loader.acquire_render_config_id(index)
+		}else{
+			deferred_loader.acquire_render_config_id(None)
+		};
+
+		graphics_groups.push(model::IndexedGraphicsGroup{
+			render:render_id,
+			groups:vec![polygon_group_id],
+		});
+		physics_groups.push(model::IndexedPhysicsGroup{
+			groups:vec![polygon_group_id],
+		});
+		model::PolygonGroup::PolygonList(model::PolygonList::new(
+			//looking at the code, it would seem that the strips are pre-deindexed into triangle lists when calling this function
+			mesh.vertex_strip_indices().flat_map(|mut strip|{
+				std::iter::from_fn(move ||{
+					match (strip.next(),strip.next(),strip.next()){
+						(Some(v1),Some(v2),Some(v3))=>Some([v1,v2,v3]),
+						//ignore extra vertices, not sure what to do in this case, failing the whole conversion could be appropriate
+						_=>None,
+					}
+				})
+			}).flat_map(|[v1,v2,v3]|{
+				// this should probably be a fatal error :D
+				let v1=model_vertices.get(v1)?;
+				let v2=model_vertices.get(v2)?;
+				let v3=model_vertices.get(v3)?;
+				Some(vec![
+					ingest_vertex(&mut mb,v1,color),
+					ingest_vertex(&mut mb,v2,color),
+					ingest_vertex(&mut mb,v3,color),
+				])
+			}).collect()
 		))
-	}
-	pub fn convert_mesh<'a>(self,deferred_loader:&mut RenderConfigDeferredLoader<Cow<'a,str>>)->Result<model::Mesh,vmdl::ModelError>{
-		let model=self.read_model()?;
-		let texture_paths=model.texture_directories();
-		if texture_paths.len()!=1{
-			println!("WARNING: multiple texture paths");
-		}
-		let skin=model.skin_tables().nth(0).unwrap();
-
-		let mut spam_pos=Vec::with_capacity(model.vertices().len());
-		let mut spam_normal=Vec::with_capacity(model.vertices().len());
-		let mut spam_tex=Vec::with_capacity(model.vertices().len());
-		let mut spam_vertices=Vec::with_capacity(model.vertices().len());
-		for (i,vertex) in model.vertices().iter().enumerate(){
-			spam_pos.push(valve_transform(vertex.position.into()));
-			spam_normal.push(valve_transform(vertex.normal.into()));
-			spam_tex.push(glam::Vec2::from_array(vertex.texture_coordinates));
-			spam_vertices.push(model::IndexedVertex{
-				pos:model::PositionId::new(i as u32),
-				tex:model::TextureCoordinateId::new(i as u32),
-				normal:model::NormalId::new(i as u32),
-				color:model::ColorId::new(0),
-			});
-		}
-		let mut graphics_groups=Vec::new();
-		let mut physics_groups=Vec::new();
-		let polygon_groups=model.meshes().enumerate().map(|(polygon_group_id,mesh)|{
-			let polygon_group_id=model::PolygonGroupId::new(polygon_group_id as u32);
-
-			let render_id=if let (Some(texture_path),Some(texture_name))=(texture_paths.get(0),skin.texture(mesh.material_index())){
-				let mut path=std::path::PathBuf::from(texture_path.as_str());
-				path.push(texture_name);
-				let index=path.as_os_str().to_str().map(|s|Cow::Owned(s.to_owned()));
-				deferred_loader.acquire_render_config_id(index)
-			}else{
-				deferred_loader.acquire_render_config_id(None)
-			};
-
-			graphics_groups.push(model::IndexedGraphicsGroup{
-				render:render_id,
-				groups:vec![polygon_group_id],
-			});
-			physics_groups.push(model::IndexedPhysicsGroup{
-				groups:vec![polygon_group_id],
-			});
-			model::PolygonGroup::PolygonList(model::PolygonList::new(
-				//looking at the code, it would seem that the strips are pre-deindexed into triangle lists when calling this function
-				mesh.vertex_strip_indices().flat_map(|mut strip|
-					std::iter::from_fn(move||{
-						match (strip.next(),strip.next(),strip.next()){
-							(Some(v1),Some(v2),Some(v3))=>Some([v1,v2,v3].map(|vertex_id|model::VertexId::new(vertex_id as u32)).to_vec()),
-							//ignore extra vertices, not sure what to do in this case, failing the whole conversion could be appropriate
-							_=>None,
-						}
-					})
-				).collect()
-			))
-		}).collect();
-		Ok(model::Mesh{
-			unique_pos:spam_pos,
-			unique_normal:spam_normal,
-			unique_tex:spam_tex,
-			unique_color:vec![glam::Vec4::ONE],
-			unique_vertices:spam_vertices,
-			polygon_groups,
-			graphics_groups,
-			physics_groups,
-		})
-	}
+	}).collect();
+	mb.build(polygon_groups,graphics_groups,physics_groups)
 }

lib/common/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafesnet_common"
-version = "0.5.2"
+version = "0.6.0"
 edition = "2021"
 repository = "https://git.itzana.me/StrafesNET/strafe-project"
 license = "MIT OR Apache-2.0"
@@ -12,8 +12,8 @@ authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 [dependencies]
 arrayvec = "0.7.4"
 bitflags = "2.6.0"
-fixed_wide = { path = "../fixed_wide", registry = "strafesnet", features = ["deferred-division","zeroes","wide-mul"] }
-linear_ops = { path = "../linear_ops", registry = "strafesnet", features = ["deferred-division","named-fields"] }
-ratio_ops = { path = "../ratio_ops", registry = "strafesnet" }
+fixed_wide = { version = "0.1.2", path = "../fixed_wide", registry = "strafesnet", features = ["deferred-division","zeroes","wide-mul"] }
+linear_ops = { version = "0.1.0", path = "../linear_ops", registry = "strafesnet", features = ["deferred-division","named-fields"] }
+ratio_ops = { version = "0.1.0", path = "../ratio_ops", registry = "strafesnet" }
 glam = "0.29.0"
 id = { version = "0.1.0", registry = "strafesnet" }

lib/common/src/model.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use crate::integer::{Planar64Vec3,Planar64Affine3};
 use crate::gameplay_attributes;
 
@@ -123,6 +125,87 @@ pub struct Mesh{
 	pub physics_groups:Vec<IndexedPhysicsGroup>,
 }
 
+#[derive(Default)]
+pub struct MeshBuilder{
+	unique_pos:Vec<Planar64Vec3>,//Unit32Vec3
+	unique_normal:Vec<Planar64Vec3>,//Unit32Vec3
+	unique_tex:Vec<TextureCoordinate>,
+	unique_color:Vec<Color4>,
+	unique_vertices:Vec<IndexedVertex>,
+	pos_id_from:HashMap<Planar64Vec3,PositionId>,//Unit32Vec3
+	normal_id_from:HashMap<Planar64Vec3,NormalId>,//Unit32Vec3
+	tex_id_from:HashMap<[u32;2],TextureCoordinateId>,
+	color_id_from:HashMap<[u32;4],ColorId>,
+	vertex_id_from:HashMap<IndexedVertex,VertexId>,
+}
+impl MeshBuilder{
+	pub fn new()->Self{
+		Self::default()
+	}
+	pub fn build(
+		self,
+		polygon_groups:Vec<PolygonGroup>,
+		graphics_groups:Vec<IndexedGraphicsGroup>,
+		physics_groups:Vec<IndexedPhysicsGroup>,
+	)->Mesh{
+		let MeshBuilder{
+			unique_pos,
+			unique_normal,
+			unique_tex,
+			unique_color,
+			unique_vertices,
+			..
+		}=self;
+		Mesh{
+			unique_pos,
+			unique_normal,
+			unique_tex,
+			unique_color,
+			unique_vertices,
+			polygon_groups,
+			graphics_groups,
+			physics_groups,
+		}
+	}
+	pub fn acquire_pos_id(&mut self,pos:Planar64Vec3)->PositionId{
+		*self.pos_id_from.entry(pos).or_insert_with(||{
+			let pos_id=PositionId::new(self.unique_pos.len() as u32);
+			self.unique_pos.push(pos);
+			pos_id
+		})
+	}
+	pub fn acquire_normal_id(&mut self,normal:Planar64Vec3)->NormalId{
+		*self.normal_id_from.entry(normal).or_insert_with(||{
+			let normal_id=NormalId::new(self.unique_normal.len() as u32);
+			self.unique_normal.push(normal);
+			normal_id
+		})
+	}
+	pub fn acquire_tex_id(&mut self,tex:TextureCoordinate)->TextureCoordinateId{
+		let h=tex.to_array().map(f32::to_bits);
+		*self.tex_id_from.entry(h).or_insert_with(||{
+			let tex_id=TextureCoordinateId::new(self.unique_tex.len() as u32);
+			self.unique_tex.push(tex);
+			tex_id
+		})
+	}
+	pub fn acquire_color_id(&mut self,color:Color4)->ColorId{
+		let h=color.to_array().map(f32::to_bits);
+		*self.color_id_from.entry(h).or_insert_with(||{
+			let color_id=ColorId::new(self.unique_color.len() as u32);
+			self.unique_color.push(color);
+			color_id
+		})
+	}
+	pub fn acquire_vertex_id(&mut self,vertex:IndexedVertex)->VertexId{
+		*self.vertex_id_from.entry(vertex.clone()).or_insert_with(||{
+			let vertex_id=VertexId::new(self.unique_vertices.len() as u32);
+			self.unique_vertices.push(vertex);
+			vertex_id
+		})
+	}
+}
+
 #[derive(Debug,Clone,Copy,Hash,id::Id,Eq,PartialEq)]
 pub struct ModelId(u32);
 pub struct Model{

lib/deferred_loader/Cargo.toml

@@ -10,4 +10,4 @@ authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-strafesnet_common = { path = "../common", registry = "strafesnet" }
+strafesnet_common = { version = "0.6.0", path = "../common", registry = "strafesnet" }

lib/deferred_loader/src/deferred_loader.rs

@@ -4,6 +4,7 @@ use crate::mesh::Meshes;
 use crate::texture::{RenderConfigs,Texture};
 use strafesnet_common::model::{Mesh,MeshId,RenderConfig,RenderConfigId,TextureId};
 
+#[derive(Clone,Copy,Debug)]
 pub enum LoadFailureMode{
 	DefaultToNone,
 	Fatal,
@@ -41,7 +42,10 @@ impl<H:core::hash::Hash+Eq> RenderConfigDeferredLoader<H>{
 			render_id
 		})
 	}
-	pub fn into_render_configs<L:Loader<Index=H,Resource=Texture>>(mut self,loader:&mut L,failure_mode:LoadFailureMode)->Result<RenderConfigs,L::Error>{
+	pub fn into_indices(self)->impl Iterator<Item=H>{
+		self.render_config_id_from_asset_id.into_keys().flatten()
+	}
+	pub fn into_render_configs<L:Loader<Resource=Texture,Index=H>>(mut self,loader:&mut L,failure_mode:LoadFailureMode)->Result<RenderConfigs,L::Error>{
 		let mut sorted_textures=vec![None;self.texture_count as usize];
 		for (index_option,render_config_id) in self.render_config_id_from_asset_id{
 			let render_config=&mut self.render_configs[render_config_id.get() as usize];
@@ -53,7 +57,7 @@ impl<H:core::hash::Hash+Eq> RenderConfigDeferredLoader<H>{
 						Ok(texture)=>Some(texture),
 						Err(e)=>{
 							render_config.texture=None;
-							println!("Error loading resource: {e}");
+							println!("Error loading texture: {e}");
 							None
 						},
 					},
@@ -86,7 +90,10 @@ impl<H:core::hash::Hash+Eq> MeshDeferredLoader<H>{
 		let mesh_id=MeshId::new(self.mesh_id_from_asset_id.len() as u32);
 		*self.mesh_id_from_asset_id.entry(index).or_insert(mesh_id)
 	}
-	pub fn into_meshes<L:Loader<Index=H,Resource=Mesh>>(self,loader:&mut L,failure_mode:LoadFailureMode)->Result<Meshes,L::Error>{
+	pub fn into_indices(self)->impl Iterator<Item=H>{
+		self.mesh_id_from_asset_id.into_keys()
+	}
+	pub fn into_meshes<L:Loader<Resource=Mesh,Index=H>>(self,loader:&mut L,failure_mode:LoadFailureMode)->Result<Meshes,L::Error>{
 		let mut mesh_list=vec![None;self.mesh_id_from_asset_id.len()];
 		for (index,mesh_id) in self.mesh_id_from_asset_id{
 			let resource_result=loader.load(index);
@@ -95,7 +102,7 @@ impl<H:core::hash::Hash+Eq> MeshDeferredLoader<H>{
 				LoadFailureMode::DefaultToNone=>match resource_result{
 					Ok(mesh)=>Some(mesh),
 					Err(e)=>{
-						println!("Error loading resource: {e}");
+						println!("Error loading mesh: {e}");
 						None
 					},
 				},

lib/fixed_wide/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fixed_wide"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 repository = "https://git.itzana.me/StrafesNET/strafe-project"
 license = "MIT OR Apache-2.0"
@@ -17,4 +17,4 @@ zeroes=["dep:arrayvec"]
 bnum = "0.12.0"
 arrayvec = { version = "0.7.6", optional = true }
 paste = "1.0.15"
-ratio_ops = { path = "../ratio_ops", registry = "strafesnet", optional = true }
+ratio_ops = { version = "0.1.0", path = "../ratio_ops", registry = "strafesnet", optional = true }

lib/linear_ops/Cargo.toml

@@ -14,8 +14,8 @@ fixed-wide=["dep:fixed_wide","dep:paste"]
 deferred-division=["dep:ratio_ops"]
 
 [dependencies]
-ratio_ops = { path = "../ratio_ops", registry = "strafesnet", optional = true }
-fixed_wide = { path = "../fixed_wide", registry = "strafesnet", optional = true }
+ratio_ops = { version = "0.1.0", path = "../ratio_ops", registry = "strafesnet", optional = true }
+fixed_wide = { version = "0.1.2", path = "../fixed_wide", registry = "strafesnet", optional = true }
 paste = { version = "1.0.15", optional = true }
 
 [dev-dependencies]

lib/linear_ops/src/matrix.rs

@@ -1,5 +1,6 @@
 use crate::vector::Vector;
 
+#[repr(transparent)]
 #[derive(Clone,Copy,Debug,Hash,Eq,PartialEq)]
 pub struct Matrix<const X:usize,const Y:usize,T>{
 	pub(crate) array:[[T;Y];X],

lib/linear_ops/src/vector.rs

@@ -3,6 +3,7 @@
 /// v.x += v.z;
 /// println!("v.x={}",v.x);
 
+#[repr(transparent)]
 #[derive(Clone,Copy,Debug,Hash,Eq,PartialEq)]
 pub struct Vector<const N:usize,T>{
 	pub(crate) array:[T;N],

lib/rbx_loader/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafesnet_rbx_loader"
-version = "0.5.2"
+version = "0.6.0"
 edition = "2021"
 repository = "https://git.itzana.me/StrafesNET/strafe-project"
 license = "MIT OR Apache-2.0"
@@ -15,10 +15,10 @@ glam = "0.29.0"
 lazy-regex = "3.1.0"
 rbx_binary = { version = "0.7.4", registry = "strafesnet" }
 rbx_dom_weak = { version = "2.7.0", registry = "strafesnet" }
-rbx_mesh = "0.1.2"
+rbx_mesh = "0.3.1"
 rbx_reflection_database = { version = "0.2.10", registry = "strafesnet" }
 rbx_xml = { version = "0.13.3", registry = "strafesnet" }
-rbxassetid = { version = "0.1.0", path = "../rbxassetid" }
-roblox_emulator = { path = "../roblox_emulator", registry = "strafesnet" }
-strafesnet_common = { path = "../common", registry = "strafesnet" }
-strafesnet_deferred_loader = { version = "0.5.0", path = "../deferred_loader" }
+rbxassetid = { version = "0.1.0", path = "../rbxassetid", registry = "strafesnet" }
+roblox_emulator = { version = "0.4.7", path = "../roblox_emulator", registry = "strafesnet" }
+strafesnet_common = { version = "0.6.0", path = "../common", registry = "strafesnet" }
+strafesnet_deferred_loader = { version = "0.5.0", path = "../deferred_loader", registry = "strafesnet" }

lib/rbx_loader/src/lib.rs

@@ -1,8 +1,10 @@
 use std::io::Read;
 use rbx_dom_weak::WeakDom;
+use strafesnet_deferred_loader::deferred_loader::{LoadFailureMode,MeshDeferredLoader,RenderConfigDeferredLoader};
 
 mod rbx;
 mod mesh;
+mod union;
 pub mod loader;
 mod primitives;
 
@@ -31,6 +33,9 @@ impl Model{
 		let services=context.convert_into_place();
 		Place{dom,services}
 	}
+	pub fn to_snf(&self,failure_mode:LoadFailureMode)->Result<strafesnet_common::map::CompleteMap,LoadError>{
+		to_snf(self,failure_mode)
+	}
 }
 impl AsRef<WeakDom> for Model{
 	fn as_ref(&self)->&WeakDom{
@@ -62,6 +67,9 @@ impl Place{
 			}
 		}
 	}
+	pub fn to_snf(&self,failure_mode:LoadFailureMode)->Result<strafesnet_common::map::CompleteMap,LoadError>{
+		to_snf(self,failure_mode)
+	}
 }
 impl AsRef<WeakDom> for Place{
 	fn as_ref(&self)->&WeakDom{
@@ -93,6 +101,49 @@ pub fn read<R:Read>(input:R)->Result<Model,ReadError>{
 	}
 }
 
-//ConvertError
+#[derive(Debug)]
+pub enum LoadError{
+	Texture(loader::TextureError),
+	Mesh(loader::MeshError),
+}
+impl std::fmt::Display for LoadError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for LoadError{}
+impl From<loader::TextureError> for LoadError{
+	fn from(value:loader::TextureError)->Self{
+		Self::Texture(value)
+	}
+}
+impl From<loader::MeshError> for LoadError{
+	fn from(value:loader::MeshError)->Self{
+		Self::Mesh(value)
+	}
+}
 
-pub use rbx::convert;
+fn to_snf(dom:impl AsRef<WeakDom>,failure_mode:LoadFailureMode)->Result<strafesnet_common::map::CompleteMap,LoadError>{
+	let dom=dom.as_ref();
+
+	let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
+	let mut mesh_deferred_loader=MeshDeferredLoader::new();
+
+	let map_step1=rbx::convert(
+		dom,
+		&mut texture_deferred_loader,
+		&mut mesh_deferred_loader,
+	);
+
+	let mut mesh_loader=loader::MeshLoader::new();
+	let meshpart_meshes=mesh_deferred_loader.into_meshes(&mut mesh_loader,failure_mode).map_err(LoadError::Mesh)?;
+
+	let map_step2=map_step1.add_meshpart_meshes_and_calculate_attributes(meshpart_meshes);
+
+	let mut texture_loader=loader::TextureLoader::new();
+	let render_configs=texture_deferred_loader.into_render_configs(&mut texture_loader,failure_mode).map_err(LoadError::Texture)?;
+
+	let map=map_step2.add_render_configs_and_textures(render_configs);
+
+	Ok(map)
+}

lib/rbx_loader/src/loader.rs

@@ -4,6 +4,14 @@ use strafesnet_common::model::Mesh;
 use strafesnet_deferred_loader::{loader::Loader,texture::Texture};
 
 use crate::data::RobloxMeshBytes;
+use crate::rbx::RobloxFaceTextureDescription;
+
+fn read_entire_file(path:impl AsRef<std::path::Path>)->Result<Vec<u8>,std::io::Error>{
+	let mut file=std::fs::File::open(path)?;
+	let mut data=Vec::new();
+	file.read_to_end(&mut data)?;
+	Ok(data)
+}
 
 #[allow(dead_code)]
 #[derive(Debug)]
@@ -41,9 +49,7 @@ impl<'a> Loader for TextureLoader<'a>{
 	fn load(&mut self,index:Self::Index)->Result<Self::Resource,Self::Error>{
 		let RobloxAssetId(asset_id)=index.parse()?;
 		let file_name=format!("textures/{}.dds",asset_id);
-		let mut file=std::fs::File::open(file_name)?;
-		let mut data=Vec::new();
-		file.read_to_end(&mut data)?;
+		let data=read_entire_file(file_name)?;
 		Ok(Texture::ImageDDS(data))
 	}
 }
@@ -53,8 +59,11 @@ impl<'a> Loader for TextureLoader<'a>{
 pub enum MeshError{
 	Io(std::io::Error),
 	RobloxAssetIdParse(RobloxAssetIdParseErr),
-	Mesh(crate::mesh::Error)
-
+	Mesh(crate::mesh::Error),
+	Union(crate::union::Error),
+	DecodeBinary(rbx_binary::DecodeError),
+	OneChildPolicy,
+	MissingInstance,
 }
 impl std::fmt::Display for MeshError{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
@@ -77,6 +86,57 @@ impl From<crate::mesh::Error> for MeshError{
 		Self::Mesh(value)
 	}
 }
+impl From<crate::union::Error> for MeshError{
+	fn from(value:crate::union::Error)->Self{
+		Self::Union(value)
+	}
+}
+impl From<rbx_binary::DecodeError> for MeshError{
+	fn from(value:rbx_binary::DecodeError)->Self{
+		Self::DecodeBinary(value)
+	}
+}
+
+#[derive(Hash,Eq,PartialEq)]
+pub enum MeshType<'a>{
+	FileMesh,
+	Union{
+		mesh_data:&'a [u8],
+		physics_data:&'a [u8],
+		size_float_bits:[u32;3],
+		part_texture_description:[Option<RobloxFaceTextureDescription>;6],
+	},
+}
+#[derive(Hash,Eq,PartialEq)]
+pub struct MeshIndex<'a>{
+	mesh_type:MeshType<'a>,
+	content:&'a str,
+}
+impl MeshIndex<'_>{
+	pub fn file_mesh(content:&str)->MeshIndex{
+		MeshIndex{
+			mesh_type:MeshType::FileMesh,
+			content,
+		}
+	}
+	pub fn union<'a>(
+		content:&'a str,
+		mesh_data:&'a [u8],
+		physics_data:&'a [u8],
+		size:&rbx_dom_weak::types::Vector3,
+		part_texture_description:crate::rbx::RobloxPartDescription,
+	)->MeshIndex<'a>{
+		MeshIndex{
+			mesh_type:MeshType::Union{
+				mesh_data,
+				physics_data,
+				size_float_bits:[size.x.to_bits(),size.y.to_bits(),size.z.to_bits()],
+				part_texture_description,
+			},
+			content,
+		}
+	}
+}
 
 pub struct MeshLoader<'a>(std::marker::PhantomData<&'a ()>);
 impl MeshLoader<'_>{
@@ -86,17 +146,46 @@ impl MeshLoader<'_>{
 }
 impl<'a> Loader for MeshLoader<'a>{
 	type Error=MeshError;
-	type Index=&'a str;
+	type Index=MeshIndex<'a>;
 	type Resource=Mesh;
 	fn load(&mut self,index:Self::Index)->Result<Self::Resource,Self::Error>{
-		let RobloxAssetId(asset_id)=index.parse()?;
-		let file_name=format!("meshes/{}",asset_id);
-		let mut file=std::fs::File::open(file_name)?;
-		// reading the entire file is way faster than
-		// round tripping to disk every read from the parser
-		let mut data=Vec::new();
-		file.read_to_end(&mut data)?;
-		let mesh=crate::mesh::convert(RobloxMeshBytes::new(data))?;
+		let mesh=match index.mesh_type{
+			MeshType::FileMesh=>{
+				let RobloxAssetId(asset_id)=index.content.parse()?;
+				let file_name=format!("meshes/{}",asset_id);
+				let data=read_entire_file(file_name)?;
+				crate::mesh::convert(RobloxMeshBytes::new(data))?
+			},
+			MeshType::Union{mut physics_data,mut mesh_data,size_float_bits,part_texture_description}=>{
+				// decode asset
+				let size=glam::Vec3::from_array(size_float_bits.map(f32::from_bits));
+				if !index.content.is_empty()&&(physics_data.is_empty()||mesh_data.is_empty()){
+					let RobloxAssetId(asset_id)=index.content.parse()?;
+					let file_name=format!("unions/{}",asset_id);
+					let data=read_entire_file(file_name)?;
+					let dom=rbx_binary::from_reader(std::io::Cursor::new(data))?;
+					let &[referent]=dom.root().children()else{
+						return Err(MeshError::OneChildPolicy);
+					};
+					let Some(instance)=dom.get_by_ref(referent)else{
+						return Err(MeshError::MissingInstance);
+					};
+					if physics_data.is_empty(){
+						if let Some(rbx_dom_weak::types::Variant::BinaryString(data))=instance.properties.get("PhysicsData"){
+							physics_data=data.as_ref();
+						}
+					}
+					if mesh_data.is_empty(){
+						if let Some(rbx_dom_weak::types::Variant::BinaryString(data))=instance.properties.get("MeshData"){
+							mesh_data=data.as_ref();
+						}
+					}
+					crate::union::convert(physics_data,mesh_data,size,part_texture_description)?
+				}else{
+					crate::union::convert(physics_data,mesh_data,size,part_texture_description)?
+				}
+			},
+		};
 		Ok(mesh)
 	}
 }

lib/rbx_loader/src/mesh.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
-use rbx_mesh::mesh::{Vertex2, Vertex2Truncated};
-use strafesnet_common::{integer::vec3,model::{self, ColorId, IndexedVertex, NormalId, PolygonGroup, PolygonList, PositionId, TextureCoordinateId, VertexId}};
+use rbx_mesh::mesh::{Vertex2,Vertex2Truncated};
+use strafesnet_common::{integer::vec3,model::{self,ColorId,IndexedVertex,NormalId,PolygonGroup,PolygonList,PositionId,RenderConfigId,TextureCoordinateId,VertexId}};
 
 #[allow(dead_code)]
 #[derive(Debug)]
@@ -205,7 +205,13 @@ pub fn convert(roblox_mesh_bytes:crate::data::RobloxMeshBytes)->Result<model::Me
 		unique_vertices,
 		polygon_groups,
 		//these should probably be moved to the model...
-		graphics_groups:Vec::new(),
+		//but what if models want to use the same texture
+		graphics_groups:vec![model::IndexedGraphicsGroup{
+			render:RenderConfigId::new(0),
+			//the lowest lod is highest quality
+			groups:vec![model::PolygonGroupId::new(0)]
+		}],
+		//disable physics
 		physics_groups:Vec::new(),
 	})
 }

lib/rbx_loader/src/primitives.rs

@@ -42,50 +42,6 @@ const CUBE_DEFAULT_NORMALS:[Planar64Vec3;6]=[
 	vec3::int( 0,-1, 0),//CubeFace::Bottom
 	vec3::int( 0, 0,-1),//CubeFace::Front
 ];
-const CUBE_DEFAULT_POLYS:[[[u32;3];4];6]=[
-	// right (1, 0, 0)
-	[
-		[6,2,0],//[vertex,tex,norm]
-		[5,1,0],
-		[2,0,0],
-		[1,3,0],
-	],
-	// top (0, 1, 0)
-	[
-		[5,3,1],
-		[4,2,1],
-		[3,1,1],
-		[2,0,1],
-	],
-	// back (0, 0, 1)
-	[
-		[0,3,2],
-		[1,2,2],
-		[2,1,2],
-		[3,0,2],
-	],
-	// left (-1, 0, 0)
-	[
-		[0,2,3],
-		[3,1,3],
-		[4,0,3],
-		[7,3,3],
-	],
-	// bottom (0,-1, 0)
-	[
-		[1,1,4],
-		[0,0,4],
-		[7,3,4],
-		[6,2,4],
-	],
-	// front (0, 0,-1)
-	[
-		[4,1,5],
-		[5,0,5],
-		[6,3,5],
-		[7,2,5],
-	],
-];
 
 #[derive(Hash,PartialEq,Eq)]
 pub enum WedgeFace{
@@ -132,8 +88,8 @@ impl CubeFaceDescription{
 	pub fn insert(&mut self,index:CubeFace,value:FaceDescription){
 		self.0[index as usize]=Some(value);
 	}
-	pub fn pairs(self)->std::iter::FilterMap<std::iter::Enumerate<std::array::IntoIter<Option<FaceDescription>,6>>,impl FnMut((usize,Option<FaceDescription>))->Option<(usize,FaceDescription)>>{
-		self.0.into_iter().enumerate().filter_map(|v|v.1.map(|u|(v.0,u)))
+	pub fn pairs(self)->impl Iterator<Item=(usize,FaceDescription)>{
+		self.0.into_iter().enumerate().filter_map(|(i,v)|v.map(|u|(i,u)))
 	}
 }
 pub fn unit_cube(render:RenderConfigId)->Mesh{
@@ -201,6 +157,50 @@ impl FaceDescription{
 	}
 }
 pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->Mesh{
+	const CUBE_DEFAULT_POLYS:[[[u32;3];4];6]=[
+		// right (1, 0, 0)
+		[
+			[6,2,0],//[vertex,tex,norm]
+			[5,1,0],
+			[2,0,0],
+			[1,3,0],
+		],
+		// top (0, 1, 0)
+		[
+			[5,3,1],
+			[4,2,1],
+			[3,1,1],
+			[2,0,1],
+		],
+		// back (0, 0, 1)
+		[
+			[0,3,2],
+			[1,2,2],
+			[2,1,2],
+			[3,0,2],
+		],
+		// left (-1, 0, 0)
+		[
+			[0,2,3],
+			[3,1,3],
+			[4,0,3],
+			[7,3,3],
+		],
+		// bottom (0,-1, 0)
+		[
+			[1,1,4],
+			[0,0,4],
+			[7,3,4],
+			[6,2,4],
+		],
+		// front (0, 0,-1)
+		[
+			[4,1,5],
+			[5,0,5],
+			[6,3,5],
+			[7,2,5],
+		],
+	];
 	let mut generated_pos=Vec::new();
 	let mut generated_tex=Vec::new();
 	let mut generated_normal=Vec::new();
@@ -279,35 +279,35 @@ pub fn generate_partial_unit_cube(face_descriptions:CubeFaceDescription)->Mesh{
 }
 //don't think too hard about the copy paste because this is all going into the map tool eventually...
 pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->Mesh{
-	let wedge_default_polys=[
+	const WEDGE_DEFAULT_POLYS:[&[[u32;3]];5]=[
 		// right (1, 0, 0)
-		vec![
+		&[
 			[6,2,0],//[vertex,tex,norm]
 			[2,0,0],
 			[1,3,0],
 		],
 		// FrontTop (0, 1, -1)
-		vec![
+		&[
 			[3,1,1],
 			[2,0,1],
 			[6,3,1],
 			[7,2,1],
 		],
 		// back (0, 0, 1)
-		vec![
+		&[
 			[0,3,2],
 			[1,2,2],
 			[2,1,2],
 			[3,0,2],
 		],
 		// left (-1, 0, 0)
-		vec![
+		&[
 			[0,2,3],
 			[3,1,3],
 			[7,3,3],
 		],
 		// bottom (0,-1, 0)
-		vec![
+		&[
 			[1,1,4],
 			[0,0,4],
 			[7,3,4],
@@ -351,7 +351,7 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->Mesh
 		//push vertices as they are needed
 		let group_id=PolygonGroupId::new(polygon_groups.len() as u32);
 		polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(vec![
-			wedge_default_polys[face_id].iter().map(|tup|{
+			WEDGE_DEFAULT_POLYS[face_id].iter().map(|tup|{
 				let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
 				let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
 					pos_index
@@ -392,34 +392,34 @@ pub fn generate_partial_unit_wedge(face_descriptions:WedgeFaceDescription)->Mesh
 }
 
 pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescription)->Mesh{
-	let cornerwedge_default_polys=[
+	const CORNERWEDGE_DEFAULT_POLYS:[&[[u32;3]];5]=[
 		// right (1, 0, 0)
-		vec![
+		&[
 			[6,2,0],//[vertex,tex,norm]
 			[5,1,0],
 			[1,3,0],
 		],
 		// BackTop (0, 1, 1)
-		vec![
+		&[
 			[5,3,1],
 			[0,1,1],
 			[1,0,1],
 		],
 		// LeftTop (-1, 1, 0)
-		vec![
+		&[
 			[5,3,2],
 			[7,2,2],
 			[0,1,2],
 		],
 		// bottom (0,-1, 0)
-		vec![
+		&[
 			[1,1,3],
 			[0,0,3],
 			[7,3,3],
 			[6,2,3],
 		],
 		// front (0, 0,-1)
-		vec![
+		&[
 			[5,0,4],
 			[6,3,4],
 			[7,2,4],
@@ -462,7 +462,7 @@ pub fn generate_partial_unit_cornerwedge(face_descriptions:CornerWedgeFaceDescri
 		//push vertices as they are needed
 		let group_id=PolygonGroupId::new(polygon_groups.len() as u32);
 		polygon_groups.push(PolygonGroup::PolygonList(PolygonList::new(vec![
-			cornerwedge_default_polys[face_id].iter().map(|tup|{
+			CORNERWEDGE_DEFAULT_POLYS[face_id].iter().map(|tup|{
 				let pos=CUBE_DEFAULT_VERTICES[tup[0] as usize];
 				let pos_index=if let Some(pos_index)=generated_pos.iter().position(|&p|p==pos){
 					pos_index

lib/rbx_loader/src/rbx.rs

@@ -1,5 +1,7 @@
 use std::collections::HashMap;
+use crate::loader::MeshIndex;
 use crate::primitives;
+use strafesnet_common::aabb::Aabb;
 use strafesnet_common::map;
 use strafesnet_common::model;
 use strafesnet_common::gameplay_modes;
@@ -344,58 +346,103 @@ fn get_attributes(name:&str,can_collide:bool,velocity:Planar64Vec3,model_id:mode
 	}
 }
 
-#[derive(Clone,Copy,PartialEq)]
-struct RobloxTextureTransform{
-	offset_u:f32,
-	offset_v:f32,
-	scale_u:f32,
-	scale_v:f32,
+#[derive(Clone,Copy)]
+pub struct RobloxTextureTransform{
+	offset_studs_u:f32,
+	offset_studs_v:f32,
+	studs_per_tile_u:f32,
+	studs_per_tile_v:f32,
+	size_u:f32,
+	size_v:f32,
 }
-impl std::cmp::Eq for RobloxTextureTransform{}//????
-impl std::default::Default for RobloxTextureTransform{
-    fn default()->Self{
-        Self{offset_u:0.0,offset_v:0.0,scale_u:1.0,scale_v:1.0}
-    }
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+pub struct RobloxTextureTransformBits{
+	offset_studs_u:u32,
+	offset_studs_v:u32,
+	studs_per_tile_u:u32,
+	studs_per_tile_v:u32,
+	size_u:u32,
+	size_v:u32,
 }
-impl std::hash::Hash for RobloxTextureTransform{
-	fn hash<H:std::hash::Hasher>(&self,state:&mut H) {
-		self.offset_u.to_ne_bytes().hash(state);
-		self.offset_v.to_ne_bytes().hash(state);
-		self.scale_u.to_ne_bytes().hash(state);
-		self.scale_v.to_ne_bytes().hash(state);
+impl RobloxTextureTransform{
+	fn identity()->Self{
+		Self{
+			offset_studs_u:0.0,
+			offset_studs_v:0.0,
+			studs_per_tile_u:1.0,
+			studs_per_tile_v:1.0,
+			size_u:1.0,
+			size_v:1.0,
+		}
+	}
+	pub fn to_bits(self)->RobloxTextureTransformBits{
+		RobloxTextureTransformBits{
+			offset_studs_u:self.offset_studs_u.to_bits(),
+			offset_studs_v:self.offset_studs_v.to_bits(),
+			studs_per_tile_u:self.studs_per_tile_u.to_bits(),
+			studs_per_tile_v:self.studs_per_tile_v.to_bits(),
+			size_u:self.size_u.to_bits(),
+			size_v:self.size_v.to_bits(),
+		}
+	}
+	pub fn affine(&self)->glam::Affine2{
+		glam::Affine2::from_translation(
+			glam::vec2(self.offset_studs_u/self.studs_per_tile_u,self.offset_studs_v/self.studs_per_tile_v)
+		)
+		*glam::Affine2::from_scale(
+			glam::vec2(self.size_u/self.studs_per_tile_u,self.size_v/self.studs_per_tile_v)
+		)
+	}
+	pub fn set_size(&mut self,size_u:f32,size_v:f32){
+		self.size_u=size_u;
+		self.size_v=size_v;
 	}
 }
-#[derive(Clone,PartialEq)]
-struct RobloxFaceTextureDescription{
-	render:RenderConfigId,
-	color:glam::Vec4,
-	transform:RobloxTextureTransform,
+impl core::hash::Hash for RobloxTextureTransform{
+	fn hash<H:core::hash::Hasher>(&self,state:&mut H){
+		self.to_bits().hash(state);
+	}
 }
-impl std::cmp::Eq for RobloxFaceTextureDescription{}//????
-impl std::hash::Hash for RobloxFaceTextureDescription{
-	fn hash<H:std::hash::Hasher>(&self,state:&mut H){
-		self.render.hash(state);
-		self.transform.hash(state);
-        for &el in self.color.as_ref().iter(){
-            el.to_ne_bytes().hash(state);
-        }
-    }
+#[derive(Clone,Copy,Hash,Eq,PartialEq)]
+pub struct RobloxFaceTextureDescriptionBits{
+	render:RenderConfigId,
+	color:[u32;4],
+	transform:RobloxTextureTransformBits,
+}
+#[derive(Clone,Copy)]
+pub struct RobloxFaceTextureDescription{
+	pub render:RenderConfigId,
+	pub color:glam::Vec4,
+	pub transform:RobloxTextureTransform,
+}
+impl core::cmp::PartialEq for RobloxFaceTextureDescription{
+	fn eq(&self,other:&Self)->bool{
+		self.to_bits().eq(&other.to_bits())
+	}
+}
+impl core::cmp::Eq for RobloxFaceTextureDescription{}
+impl core::hash::Hash for RobloxFaceTextureDescription{
+	fn hash<H:core::hash::Hasher>(&self,state:&mut H){
+		self.to_bits().hash(state);
+	}
 }
 impl RobloxFaceTextureDescription{
-	fn to_face_description(&self)->primitives::FaceDescription{
+	pub fn to_bits(self)->RobloxFaceTextureDescriptionBits{
+		RobloxFaceTextureDescriptionBits{
+			render:self.render,
+			color:self.color.to_array().map(f32::to_bits),
+			transform:self.transform.to_bits(),
+		}
+	}
+	pub fn to_face_description(&self)->primitives::FaceDescription{
 		primitives::FaceDescription{
 			render:self.render,
-			transform:glam::Affine2::from_translation(
-				glam::vec2(self.transform.offset_u,self.transform.offset_v)
-			)
-			*glam::Affine2::from_scale(
-				glam::vec2(self.transform.scale_u,self.transform.scale_v)
-			),
+			transform:self.transform.affine(),
 			color:self.color,
 		}
 	}
 }
-type RobloxPartDescription=[Option<RobloxFaceTextureDescription>;6];
+pub type RobloxPartDescription=[Option<RobloxFaceTextureDescription>;6];
 type RobloxWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
 type RobloxCornerWedgeDescription=[Option<RobloxFaceTextureDescription>;5];
 #[derive(Clone,Eq,Hash,PartialEq)]
@@ -406,41 +453,128 @@ enum RobloxBasePartDescription{
 	Wedge(RobloxWedgeDescription),
 	CornerWedge(RobloxCornerWedgeDescription),
 }
+fn get_texture_description<'a>(
+	temp_objects:&mut Vec<rbx_dom_weak::types::Ref>,
+	render_config_deferred_loader:&mut RenderConfigDeferredLoader<&'a str>,
+	dom:&'a rbx_dom_weak::WeakDom,
+	object:&rbx_dom_weak::Instance,
+	size:&rbx_dom_weak::types::Vector3,
+)->RobloxPartDescription{
+	//use the biggest one and cut it down later...
+	let mut part_texture_description:RobloxPartDescription=[None,None,None,None,None,None];
+	temp_objects.clear();
+	recursive_collect_superclass(temp_objects,&dom,object,"Decal");
+	for &mut decal_ref in temp_objects{
+	if let Some(decal)=dom.get_by_ref(decal_ref){
+		if let (
+			Some(rbx_dom_weak::types::Variant::Content(content)),
+			Some(rbx_dom_weak::types::Variant::Enum(normalid)),
+			Some(rbx_dom_weak::types::Variant::Color3(decal_color3)),
+			Some(rbx_dom_weak::types::Variant::Float32(decal_transparency)),
+		) = (
+			decal.properties.get("Texture"),
+			decal.properties.get("Face"),
+			decal.properties.get("Color3"),
+			decal.properties.get("Transparency"),
+		) {
+			let render_id=render_config_deferred_loader.acquire_render_config_id(Some(content.as_ref()));
+				let normal_id=normalid.to_u32();
+				if normal_id<6{
+					let (roblox_texture_color,roblox_texture_transform)=if decal.class=="Texture"{
+						//generate tranform
+						if let (
+								Some(&rbx_dom_weak::types::Variant::Float32(offset_studs_u)),
+								Some(&rbx_dom_weak::types::Variant::Float32(offset_studs_v)),
+								Some(&rbx_dom_weak::types::Variant::Float32(studs_per_tile_u)),
+								Some(&rbx_dom_weak::types::Variant::Float32(studs_per_tile_v)),
+							) = (
+								decal.properties.get("OffsetStudsU"),
+								decal.properties.get("OffsetStudsV"),
+								decal.properties.get("StudsPerTileU"),
+								decal.properties.get("StudsPerTileV"),
+							)
+						{
+							let (size_u,size_v)=match normal_id{
+								0=>(size.z,size.y),//right
+								1=>(size.x,size.z),//top
+								2=>(size.x,size.y),//back
+								3=>(size.z,size.y),//left
+								4=>(size.x,size.z),//bottom
+								5=>(size.x,size.y),//front
+								_=>unreachable!(),
+							};
+							(
+								glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency),
+								RobloxTextureTransform{
+									offset_studs_u,
+									offset_studs_v,
+									studs_per_tile_u,
+									studs_per_tile_v,
+									size_u,
+									size_v,
+								}
+							)
+						}else{
+							(glam::Vec4::ONE,RobloxTextureTransform::identity())
+						}
+					}else{
+						(glam::Vec4::ONE,RobloxTextureTransform::identity())
+					};
+					part_texture_description[normal_id as usize]=Some(RobloxFaceTextureDescription{
+						render:render_id,
+						color:roblox_texture_color,
+						transform:roblox_texture_transform,
+					});
+				}else{
+					println!("NormalId={} is invalid",normal_id);
+				}
+			}
+		}
+	}
+	part_texture_description
+}
 enum Shape{
 	Primitive(primitives::Primitives),
 	MeshPart,
+	PhysicsData,
 }
 enum MeshAvailability{
 	Immediate,
-	Deferred(RenderConfigId),
+	DeferredMesh(RenderConfigId),
+	DeferredUnion(RobloxPartDescription),
 }
-struct DeferredModelDeferredAttributes{
+struct DeferredModelDeferredAttributes<'a>{
 	render:RenderConfigId,
-	model:ModelDeferredAttributes,
+	model:ModelDeferredAttributes<'a>,
 }
-struct ModelDeferredAttributes{
+struct ModelDeferredAttributes<'a>{
 	mesh:model::MeshId,
-	deferred_attributes:GetAttributesArgs,
+	deferred_attributes:GetAttributesArgs<'a>,
 	color:model::Color4,//transparency is in here
 	transform:Planar64Affine3,
 }
+struct DeferredUnionDeferredAttributes<'a>{
+	render:RobloxPartDescription,
+	model:ModelDeferredAttributes<'a>,
+}
 struct ModelOwnedAttributes{
 	mesh:model::MeshId,
 	attributes:attr::CollisionAttributes,
 	color:model::Color4,//transparency is in here
 	transform:Planar64Affine3,
 }
-struct GetAttributesArgs{
-	name:Box<str>,
+struct GetAttributesArgs<'a>{
+	name:&'a str,
 	can_collide:bool,
 	velocity:Planar64Vec3,
 }
 pub fn convert<'a>(
 	dom:&'a rbx_dom_weak::WeakDom,
 	render_config_deferred_loader:&mut RenderConfigDeferredLoader<&'a str>,
-	mesh_deferred_loader:&mut MeshDeferredLoader<&'a str>,
-)->PartialMap1{
+	mesh_deferred_loader:&mut MeshDeferredLoader<MeshIndex<'a>>,
+)->PartialMap1<'a>{
 	let mut deferred_models_deferred_attributes=Vec::new();
+	let mut deferred_unions_deferred_attributes=Vec::new();
 	let mut primitive_models_deferred_attributes=Vec::new();
 	let mut primitive_meshes=Vec::new();
 	let mut mesh_id_from_description=HashMap::new();
@@ -501,6 +635,7 @@ pub fn convert<'a>(
 					"WedgePart"=>Shape::Primitive(primitives::Primitives::Wedge),
 					"CornerWedgePart"=>Shape::Primitive(primitives::Primitives::CornerWedge),
 					"MeshPart"=>Shape::MeshPart,
+					"UnionOperation"=>Shape::PhysicsData,
 					_=>{
 						println!("Unsupported BasePart ClassName={}; defaulting to cube",object.class);
 						Shape::Primitive(primitives::Primitives::Cube)
@@ -509,74 +644,8 @@ pub fn convert<'a>(
 
 				let (availability,mesh_id)=match shape{
 					Shape::Primitive(primitive_shape)=>{
-						//TODO: TAB TAB
-				//use the biggest one and cut it down later...
-				let mut part_texture_description:RobloxPartDescription=[None,None,None,None,None,None];
-				temp_objects.clear();
-				recursive_collect_superclass(&mut temp_objects, &dom, object,"Decal");
-				for &decal_ref in &temp_objects{
-					if let Some(decal)=dom.get_by_ref(decal_ref){
-						if let (
-							Some(rbx_dom_weak::types::Variant::Content(content)),
-							Some(rbx_dom_weak::types::Variant::Enum(normalid)),
-							Some(rbx_dom_weak::types::Variant::Color3(decal_color3)),
-							Some(rbx_dom_weak::types::Variant::Float32(decal_transparency)),
-						) = (
-							decal.properties.get("Texture"),
-							decal.properties.get("Face"),
-							decal.properties.get("Color3"),
-							decal.properties.get("Transparency"),
-						) {
-							let render_id=render_config_deferred_loader.acquire_render_config_id(Some(content.as_ref()));
-								let normal_id=normalid.to_u32();
-								if normal_id<6{
-									let (roblox_texture_color,roblox_texture_transform)=if decal.class=="Texture"{
-										//generate tranform
-										if let (
-												Some(rbx_dom_weak::types::Variant::Float32(ox)),
-												Some(rbx_dom_weak::types::Variant::Float32(oy)),
-												Some(rbx_dom_weak::types::Variant::Float32(sx)),
-												Some(rbx_dom_weak::types::Variant::Float32(sy)),
-											) = (
-												decal.properties.get("OffsetStudsU"),
-												decal.properties.get("OffsetStudsV"),
-												decal.properties.get("StudsPerTileU"),
-												decal.properties.get("StudsPerTileV"),
-											)
-										{
-											let (size_u,size_v)=match normal_id{
-												0=>(size.z,size.y),//right
-												1=>(size.x,size.z),//top
-												2=>(size.x,size.y),//back
-												3=>(size.z,size.y),//left
-												4=>(size.x,size.z),//bottom
-												5=>(size.x,size.y),//front
-												_=>unreachable!(),
-											};
-											(
-												glam::vec4(decal_color3.r,decal_color3.g,decal_color3.b,1.0-*decal_transparency),
-												RobloxTextureTransform{
-													offset_u:*ox/(*sx),offset_v:*oy/(*sy),
-													scale_u:size_u/(*sx),scale_v:size_v/(*sy),
-												}
-											)
-										}else{
-											(glam::Vec4::ONE,RobloxTextureTransform::default())
-										}
-									}else{
-										(glam::Vec4::ONE,RobloxTextureTransform::default())
-									};
-									part_texture_description[normal_id as usize]=Some(RobloxFaceTextureDescription{
-										render:render_id,
-										color:roblox_texture_color,
-										transform:roblox_texture_transform,
-									});
-								}else{
-									println!("NormalId={} unsupported for shape={:?}",normal_id,primitive_shape);
-								}
-						}
-					}
-				}
+				//TODO: TAB TAB
+				let part_texture_description=get_texture_description(&mut temp_objects,render_config_deferred_loader,dom,object,size);
 				//obscure rust syntax "slice pattern"
 				let [
 					f0,//Cube::Right
@@ -593,7 +662,7 @@ pub fn convert<'a>(
 					//use front face texture first and use top face texture as a fallback
 					primitives::Primitives::Wedge=>RobloxBasePartDescription::Wedge([
 						f0,//Cube::Right->Wedge::Right
-						if f5.is_some(){f5}else{f1},//Cube::Front|Cube::Top->Wedge::TopFront
+						f5.or(f1),//Cube::Front|Cube::Top->Wedge::TopFront
 						f2,//Cube::Back->Wedge::Back
 						f3,//Cube::Left->Wedge::Left
 						f4,//Cube::Bottom->Wedge::Bottom
@@ -601,8 +670,8 @@ pub fn convert<'a>(
 					//TODO: fix Left+Back texture coordinates to match roblox when not overwridden by Top
 					primitives::Primitives::CornerWedge=>RobloxBasePartDescription::CornerWedge([
 						f0,//Cube::Right->CornerWedge::Right
-						if f2.is_some(){f2}else{f1.clone()},//Cube::Back|Cube::Top->CornerWedge::TopBack
-						if f3.is_some(){f3}else{f1},//Cube::Left|Cube::Top->CornerWedge::TopLeft
+						f2.or(f1.clone()),//Cube::Back|Cube::Top->CornerWedge::TopBack
+						f3.or(f1),//Cube::Left|Cube::Top->CornerWedge::TopLeft
 						f4,//Cube::Bottom->CornerWedge::Bottom
 						f5,//Cube::Front->CornerWedge::Front
 					]),
@@ -689,29 +758,51 @@ pub fn convert<'a>(
 						object.properties.get("TextureID"),
 					){
 						(
-							MeshAvailability::Deferred(render_config_deferred_loader.acquire_render_config_id(Some(texture_asset_id.as_ref()))),
-							mesh_deferred_loader.acquire_mesh_id(mesh_asset_id.as_ref()),
+							MeshAvailability::DeferredMesh(render_config_deferred_loader.acquire_render_config_id(Some(texture_asset_id.as_ref()))),
+							mesh_deferred_loader.acquire_mesh_id(MeshIndex::file_mesh(mesh_asset_id.as_ref())),
 						)
 					}else{
 						panic!("Mesh has no Mesh or Texture");
 					},
+					Shape::PhysicsData=>{
+						let mut content="";
+						let mut mesh_data:&[u8]=&[];
+						let mut physics_data:&[u8]=&[];
+						if let Some(rbx_dom_weak::types::Variant::Content(asset_id))=object.properties.get("AssetId"){
+							content=asset_id.as_ref();
+						}
+						if let Some(rbx_dom_weak::types::Variant::BinaryString(data))=object.properties.get("MeshData"){
+							mesh_data=data.as_ref();
+						}
+						if let Some(rbx_dom_weak::types::Variant::BinaryString(data))=object.properties.get("PhysicsData"){
+							physics_data=data.as_ref();
+						}
+						let part_texture_description=get_texture_description(&mut temp_objects,render_config_deferred_loader,dom,object,size);
+						let mesh_index=MeshIndex::union(content,mesh_data,physics_data,size,part_texture_description.clone());
+						let mesh_id=mesh_deferred_loader.acquire_mesh_id(mesh_index);
+						(MeshAvailability::DeferredUnion(part_texture_description),mesh_id)
+					},
 				};
 				let model_deferred_attributes=ModelDeferredAttributes{
 					mesh:mesh_id,
 					transform:model_transform,
 					color:glam::vec4(color3.r as f32/255f32, color3.g as f32/255f32, color3.b as f32/255f32, 1.0-*transparency),
 					deferred_attributes:GetAttributesArgs{
-						name:object.name.as_str().into(),
+						name:object.name.as_str(),
 						can_collide:*can_collide,
 						velocity:vec3::try_from_f32_array([velocity.x,velocity.y,velocity.z]).unwrap(),
 					},
 				};
 				match availability{
 					MeshAvailability::Immediate=>primitive_models_deferred_attributes.push(model_deferred_attributes),
-					MeshAvailability::Deferred(render)=>deferred_models_deferred_attributes.push(DeferredModelDeferredAttributes{
+					MeshAvailability::DeferredMesh(render)=>deferred_models_deferred_attributes.push(DeferredModelDeferredAttributes{
 						render,
 						model:model_deferred_attributes
 					}),
+					MeshAvailability::DeferredUnion(part_texture_description)=>deferred_unions_deferred_attributes.push(DeferredUnionDeferredAttributes{
+						render:part_texture_description,
+						model:model_deferred_attributes,
+					}),
 				}
 			}
 		}
@@ -720,18 +811,68 @@ pub fn convert<'a>(
 		primitive_meshes,
 		primitive_models_deferred_attributes,
 		deferred_models_deferred_attributes,
+		deferred_unions_deferred_attributes,
 	}
 }
 struct MeshWithAabb{
 	mesh:model::Mesh,
-	aabb:strafesnet_common::aabb::Aabb,
+	aabb:Aabb,
 }
-pub struct PartialMap1{
+fn acquire_mesh_id_from_render_config_id<'a>(
+	primitive_meshes:&mut Vec<model::Mesh>,
+	mesh_id_from_render_config_id:&mut HashMap<model::MeshId,HashMap<RenderConfigId,model::MeshId>>,
+	loaded_meshes:&'a HashMap<model::MeshId,MeshWithAabb>,
+	old_mesh_id:model::MeshId,
+	render:RenderConfigId,
+)->Option<(model::MeshId,&'a Aabb)>{
+	//ignore meshes that fail to load completely for now
+	loaded_meshes.get(&old_mesh_id).map(|mesh_with_aabb|(
+		*mesh_id_from_render_config_id.entry(old_mesh_id).or_insert_with(||HashMap::new())
+		.entry(render).or_insert_with(||{
+			let mesh_id=model::MeshId::new(primitive_meshes.len() as u32);
+			let mut mesh_clone=mesh_with_aabb.mesh.clone();
+			//set the render group lool
+			if let Some(graphics_group)=mesh_clone.graphics_groups.first_mut(){
+				graphics_group.render=render;
+			}
+			primitive_meshes.push(mesh_clone);
+			mesh_id
+		}),
+		&mesh_with_aabb.aabb,
+	))
+}
+fn acquire_union_id_from_render_config_id<'a>(
+	primitive_meshes:&mut Vec<model::Mesh>,
+	union_id_from_render_config_id:&mut HashMap<model::MeshId,HashMap<RobloxPartDescription,model::MeshId>>,
+	loaded_meshes:&'a HashMap<model::MeshId,MeshWithAabb>,
+	old_union_id:model::MeshId,
+	part_texture_description:RobloxPartDescription,
+)->Option<(model::MeshId,&'a Aabb)>{
+	//ignore uniones that fail to load completely for now
+	loaded_meshes.get(&old_union_id).map(|union_with_aabb|(
+		*union_id_from_render_config_id.entry(old_union_id).or_insert_with(||HashMap::new())
+		.entry(part_texture_description.clone()).or_insert_with(||{
+			let union_id=model::MeshId::new(primitive_meshes.len() as u32);
+			let mut union_clone=union_with_aabb.mesh.clone();
+			//set the render groups
+			for (graphics_group,maybe_face_texture_description) in union_clone.graphics_groups.iter_mut().zip(part_texture_description){
+				if let Some(face_texture_description)=maybe_face_texture_description{
+					graphics_group.render=face_texture_description.render;
+				}
+			}
+			primitive_meshes.push(union_clone);
+			union_id
+		}),
+		&union_with_aabb.aabb,
+	))
+}
+pub struct PartialMap1<'a>{
 	primitive_meshes:Vec<model::Mesh>,
-	primitive_models_deferred_attributes:Vec<ModelDeferredAttributes>,
-	deferred_models_deferred_attributes:Vec<DeferredModelDeferredAttributes>,
+	primitive_models_deferred_attributes:Vec<ModelDeferredAttributes<'a>>,
+	deferred_models_deferred_attributes:Vec<DeferredModelDeferredAttributes<'a>>,
+	deferred_unions_deferred_attributes:Vec<DeferredUnionDeferredAttributes<'a>>,
 }
-impl PartialMap1{
+impl PartialMap1<'_>{
 	pub fn add_meshpart_meshes_and_calculate_attributes(
 		mut self,
 		meshpart_meshes:Meshes,
@@ -758,32 +899,21 @@ impl PartialMap1{
 			})
 		}).collect();
 
+		// SAFETY: I have no idea what I'm doing and this is definitely unsound in some subtle way
+		// I just want to chain iterators together man
+		let aint_no_way=core::cell::UnsafeCell::new(&mut self.primitive_meshes);
+
 		let mut mesh_id_from_render_config_id=HashMap::new();
-		//ignore meshes that fail to load completely for now
-		let mut acquire_mesh_id_from_render_config_id=|old_mesh_id,render|{
-			loaded_meshes.get(&old_mesh_id).map(|mesh_with_aabb|(
-				*mesh_id_from_render_config_id.entry(old_mesh_id).or_insert_with(||HashMap::new())
-				.entry(render).or_insert_with(||{
-					let mesh_id=model::MeshId::new(self.primitive_meshes.len() as u32);
-					let mut mesh_clone=mesh_with_aabb.mesh.clone();
-					//add a render group lool
-					mesh_clone.graphics_groups.push(model::IndexedGraphicsGroup{
-						render,
-						//the lowest lod is highest quality
-						groups:vec![model::PolygonGroupId::new(0)]
-					});
-					self.primitive_meshes.push(mesh_clone);
-					mesh_id
-				}),
-				&mesh_with_aabb.aabb,
-			))
-		};
+		let mut union_id_from_render_config_id=HashMap::new();
 		//now that the meshes are loaded, these models can be generated
 		let models_owned_attributes:Vec<ModelOwnedAttributes>=
 		self.deferred_models_deferred_attributes.into_iter().flat_map(|deferred_model_deferred_attributes|{
 			//meshes need to be cloned from loaded_meshes with a new id when they are used with a new render_id
 			//insert into primitive_meshes
 			let (mesh,aabb)=acquire_mesh_id_from_render_config_id(
+				unsafe{*aint_no_way.get()},
+				&mut mesh_id_from_render_config_id,
+				&loaded_meshes,
 				deferred_model_deferred_attributes.model.mesh,
 				deferred_model_deferred_attributes.render
 			)?;
@@ -801,7 +931,32 @@ impl PartialMap1{
 					deferred_model_deferred_attributes.model.transform.translation
 				),
 			})
-		}).chain(self.primitive_models_deferred_attributes.into_iter())
+		}).chain(self.deferred_unions_deferred_attributes.into_iter().flat_map(|deferred_union_deferred_attributes|{
+			//meshes need to be cloned from loaded_meshes with a new id when they are used with a new render_id
+			//insert into primitive_meshes
+			let (mesh,aabb)=acquire_union_id_from_render_config_id(
+				unsafe{*aint_no_way.get()},
+				&mut union_id_from_render_config_id,
+				&loaded_meshes,
+				deferred_union_deferred_attributes.model.mesh,
+				deferred_union_deferred_attributes.render
+			)?;
+			let size=aabb.size();
+			Some(ModelDeferredAttributes{
+				mesh,
+				deferred_attributes:deferred_union_deferred_attributes.model.deferred_attributes,
+				color:deferred_union_deferred_attributes.model.color,
+				transform:Planar64Affine3::new(
+					Planar64Mat3::from_cols([
+						(deferred_union_deferred_attributes.model.transform.matrix3.x_axis*2/size.x).divide().fix_1(),
+						(deferred_union_deferred_attributes.model.transform.matrix3.y_axis*2/size.y).divide().fix_1(),
+						(deferred_union_deferred_attributes.model.transform.matrix3.z_axis*2/size.z).divide().fix_1()
+					]),
+					deferred_union_deferred_attributes.model.transform.translation
+				),
+			})
+		}))
+		.chain(self.primitive_models_deferred_attributes.into_iter())
 		.enumerate().map(|(model_id,model_deferred_attributes)|{
 			let model_id=model::ModelId::new(model_id as u32);
 			ModelOwnedAttributes{

lib/rbx_loader/src/union.rs

@@ -0,0 +1,177 @@
+use rbx_mesh::mesh_data::NormalId2 as MeshDataNormalId2;
+use strafesnet_common::model::{self,IndexedVertex,PolygonGroup,PolygonGroupId,PolygonList,RenderConfigId};
+use strafesnet_common::integer::vec3;
+
+#[allow(dead_code)]
+#[derive(Debug)]
+pub enum Error{
+	Block,
+	MissingVertexId(u32),
+	Planar64Vec3(strafesnet_common::integer::Planar64TryFromFloatError),
+	RobloxPhysicsData(rbx_mesh::physics_data::Error),
+	RobloxMeshData(rbx_mesh::mesh_data::Error),
+}
+impl std::fmt::Display for Error{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+
+// wacky state machine to make sure all vertices in a face agree upon what NormalId to use.
+// Roblox duplicates this information per vertex when it should only exist per-face.
+enum MeshDataNormalStatus{
+	Agree(MeshDataNormalId2),
+	Conflicting,
+}
+struct MeshDataNormalChecker{
+	status:Option<MeshDataNormalStatus>,
+}
+impl MeshDataNormalChecker{
+	fn new()->Self{
+		Self{status:None}
+	}
+	fn check(&mut self,normal:MeshDataNormalId2){
+		self.status=match self.status.take(){
+			None=>Some(MeshDataNormalStatus::Agree(normal)),
+			Some(MeshDataNormalStatus::Agree(old_normal))=>{
+				if old_normal==normal{
+					Some(MeshDataNormalStatus::Agree(old_normal))
+				}else{
+					Some(MeshDataNormalStatus::Conflicting)
+				}
+			},
+			Some(MeshDataNormalStatus::Conflicting)=>Some(MeshDataNormalStatus::Conflicting),
+		};
+	}
+	fn into_agreed_normal(self)->Option<MeshDataNormalId2>{
+		self.status.and_then(|status|match status{
+			MeshDataNormalStatus::Agree(normal)=>Some(normal),
+			MeshDataNormalStatus::Conflicting=>None,
+		})
+	}
+}
+
+impl std::error::Error for Error{}
+pub fn convert(
+	roblox_physics_data:&[u8],
+	roblox_mesh_data:&[u8],
+	size:glam::Vec3,
+	part_texture_description:crate::rbx::RobloxPartDescription,
+)->Result<model::Mesh,Error>{
+	const NORMAL_FACES:usize=6;
+	let mut polygon_groups_normal_id=vec![Vec::new();NORMAL_FACES];
+
+	// build graphics and physics meshes
+	let mut mb=strafesnet_common::model::MeshBuilder::new();
+	// graphics
+	let graphics_groups=if !roblox_mesh_data.is_empty(){
+		// create per-face texture coordinate affine transforms
+		let cube_face_description=part_texture_description.map(|opt|opt.map(|mut t|{
+			t.transform.set_size(1.0,1.0);
+			t.to_face_description()
+		}));
+
+		let mesh_data=rbx_mesh::read_mesh_data_versioned(
+			std::io::Cursor::new(roblox_mesh_data)
+		).map_err(Error::RobloxMeshData)?;
+		let graphics_mesh=match mesh_data{
+			rbx_mesh::mesh_data::MeshData::CSGK(_)=>return Err(Error::Block),
+			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL2(mesh_data2))=>mesh_data2.mesh,
+			rbx_mesh::mesh_data::MeshData::CSGMDL(rbx_mesh::mesh_data::CSGMDL::CSGMDL4(mesh_data4))=>mesh_data4.mesh,
+		};
+		for [vertex_id0,vertex_id1,vertex_id2] in graphics_mesh.faces{
+			let face=[
+				graphics_mesh.vertices.get(vertex_id0.0 as usize).ok_or(Error::MissingVertexId(vertex_id0.0))?,
+				graphics_mesh.vertices.get(vertex_id1.0 as usize).ok_or(Error::MissingVertexId(vertex_id1.0))?,
+				graphics_mesh.vertices.get(vertex_id2.0 as usize).ok_or(Error::MissingVertexId(vertex_id2.0))?,
+			];
+			let mut normal_agreement_checker=MeshDataNormalChecker::new();
+			let face=face.into_iter().map(|vertex|{
+				normal_agreement_checker.check(vertex.normal_id);
+				let pos=mb.acquire_pos_id(vec3::try_from_f32_array(vertex.pos)?);
+				let normal=mb.acquire_normal_id(vec3::try_from_f32_array(vertex.norm)?);
+				let tex_coord=glam::Vec2::from_array(vertex.tex);
+				let maybe_face_description=&cube_face_description[vertex.normal_id as usize-1];
+				let (tex,color)=match maybe_face_description{
+					Some(face_description)=>{
+						// transform texture coordinates and set decal color
+						let tex=mb.acquire_tex_id(face_description.transform.transform_point2(tex_coord));
+						let color=mb.acquire_color_id(face_description.color);
+						(tex,color)
+					},
+					None=>{
+						// texture coordinates don't matter and pass through mesh vertex color
+						let tex=mb.acquire_tex_id(tex_coord);
+						let color=mb.acquire_color_id(glam::Vec4::from_array(vertex.color.map(|f|f as f32/255.0f32)));
+						(tex,color)
+					},
+				};
+				Ok(mb.acquire_vertex_id(IndexedVertex{pos,tex,normal,color}))
+			}).collect::<Result<Vec<_>,_>>().map_err(Error::Planar64Vec3)?;
+			if let Some(normal_id)=normal_agreement_checker.into_agreed_normal(){
+				polygon_groups_normal_id[normal_id as usize-1].push(face);
+			}else{
+				panic!("Empty face!");
+			}
+		}
+		(0..NORMAL_FACES).map(|polygon_group_id|{
+			model::IndexedGraphicsGroup{
+				render:cube_face_description[polygon_group_id].as_ref().map_or(RenderConfigId::new(0),|face_description|face_description.render),
+				groups:vec![PolygonGroupId::new(polygon_group_id as u32)]
+			}
+		}).collect()
+	}else{
+		Vec::new()
+	};
+
+	//physics
+	let physics_convex_meshes=if !roblox_physics_data.is_empty(){
+		let physics_data=rbx_mesh::read_physics_data_versioned(
+			std::io::Cursor::new(roblox_physics_data)
+		).map_err(Error::RobloxPhysicsData)?;
+		let physics_convex_meshes=match physics_data{
+			rbx_mesh::physics_data::PhysicsData::CSGK(_)
+			// have not seen this format in practice
+			|rbx_mesh::physics_data::PhysicsData::CSGPHS(rbx_mesh::physics_data::CSGPHS::Block)
+			=>return Err(Error::Block),
+			rbx_mesh::physics_data::PhysicsData::CSGPHS(rbx_mesh::physics_data::CSGPHS::Meshes(meshes))
+			=>meshes.meshes,
+			rbx_mesh::physics_data::PhysicsData::CSGPHS(rbx_mesh::physics_data::CSGPHS::PhysicsInfoMesh(pim))
+			=>vec![pim.mesh],
+		};
+		physics_convex_meshes
+	}else{
+		Vec::new()
+	};
+	let polygon_groups:Vec<PolygonGroup>=polygon_groups_normal_id.into_iter().map(|faces|
+		// graphics polygon groups (to be rendered)
+		Ok(PolygonGroup::PolygonList(PolygonList::new(faces)))
+	).chain(physics_convex_meshes.into_iter().map(|mesh|{
+		// this can be factored out of the loop but I am lazy
+		let color=mb.acquire_color_id(glam::Vec4::ONE);
+		let tex=mb.acquire_tex_id(glam::Vec2::ZERO);
+		// physics polygon groups (to do physics)
+		Ok(PolygonGroup::PolygonList(PolygonList::new(mesh.faces.into_iter().map(|[vertex_id0,vertex_id1,vertex_id2]|{
+			let face=[
+				mesh.vertices.get(vertex_id0.0 as usize).ok_or(Error::MissingVertexId(vertex_id0.0))?,
+				mesh.vertices.get(vertex_id1.0 as usize).ok_or(Error::MissingVertexId(vertex_id1.0))?,
+				mesh.vertices.get(vertex_id2.0 as usize).ok_or(Error::MissingVertexId(vertex_id2.0))?,
+			].map(|v|glam::Vec3::from_slice(v)/size);
+			let vertex_norm=(face[1]-face[0])
+			          .cross(face[2]-face[0]);
+			let normal=mb.acquire_normal_id(vec3::try_from_f32_array(vertex_norm.to_array()).map_err(Error::Planar64Vec3)?);
+			face.into_iter().map(|vertex_pos|{
+				let pos=mb.acquire_pos_id(vec3::try_from_f32_array(vertex_pos.to_array()).map_err(Error::Planar64Vec3)?);
+				Ok(mb.acquire_vertex_id(IndexedVertex{pos,tex,normal,color}))
+			}).collect()
+		}).collect::<Result<_,_>>()?)))
+	})).collect::<Result<_,_>>()?;
+	let physics_groups=(NORMAL_FACES..polygon_groups.len()).map(|id|model::IndexedPhysicsGroup{
+		groups:vec![PolygonGroupId::new(id as u32)]
+	}).collect();
+	Ok(mb.build(
+		polygon_groups,
+		graphics_groups,
+		physics_groups,
+	))
+}

lib/rbxassetid/Cargo.toml

@@ -2,6 +2,10 @@
 name = "rbxassetid"
 version = "0.1.0"
 edition = "2021"
+repository = "https://git.itzana.me/StrafesNET/strafe-project"
+license = "MIT OR Apache-2.0"
+description = "Parse Roblox asset id from 'Content' urls."
+authors = ["Rhys Lloyd <krakow20@gmail.com>"]
 
 [dependencies]
 url = "2.5.4"

lib/rbxassetid/LICENSE-APACHE

@@ -0,0 +1,176 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
+
+   "Licensor" shall mean the copyright owner or entity authorized by
+   the copyright owner that is granting the License.
+
+   "Legal Entity" shall mean the union of the acting entity and all
+   other entities that control, are controlled by, or are under common
+   control with that entity. For the purposes of this definition,
+   "control" means (i) the power, direct or indirect, to cause the
+   direction or management of such entity, whether by contract or
+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
+   outstanding shares, or (iii) beneficial ownership of such entity.
+
+   "You" (or "Your") shall mean an individual or Legal Entity
+   exercising permissions granted by this License.
+
+   "Source" form shall mean the preferred form for making modifications,
+   including but not limited to software source code, documentation
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+
+   "Object" form shall mean any form resulting from mechanical
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+
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+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
+   and charge a fee for, acceptance of support, warranty, indemnity,
+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
+
+END OF TERMS AND CONDITIONS

lib/rbxassetid/LICENSE-MIT

@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

lib/rbxassetid/README.md

@@ -0,0 +1,26 @@
+Roblox Asset Id
+===============
+
+## Example
+
+```rust
+use rbxassetid::RobloxAssetId;
+
+let content="rbxassetid://255299419";
+let RobloxAssetId(asset_id)=content.parse()?;
+```
+
+#### License
+
+<sup>
+Licensed under either of <a href="LICENSE-APACHE">Apache License, Version
+2.0</a> or <a href="LICENSE-MIT">MIT license</a> at your option.
+</sup>
+
+<br>
+
+<sub>
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in this crate by you, as defined in the Apache-2.0 license, shall
+be dual licensed as above, without any additional terms or conditions.
+</sub>

lib/rbxassetid/src/lib.rs

@@ -33,3 +33,9 @@ impl std::str::FromStr for RobloxAssetId{
 		Ok(Self(parsed_asset_id.map_err(RobloxAssetIdParseErr::ParseInt)?))
 	}
 }
+
+#[test]
+fn test_rbxassetid(){
+	let content="rbxassetid://255299419";
+	let RobloxAssetId(_asset_id)=content.parse().unwrap();
+}

lib/snf/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "strafesnet_snf"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -8,4 +8,4 @@ edition = "2021"
 [dependencies]
 binrw = "0.14.0"
 id = { version = "0.1.0", registry = "strafesnet" }
-strafesnet_common = { path = "../common", registry = "strafesnet" }
+strafesnet_common = { version = "0.6.0", path = "../common", registry = "strafesnet" }

map-tool/Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "map-tool"
+version = "1.7.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.75"
+clap = { version = "4.4.2", features = ["derive"] }
+flate2 = "1.0.27"
+futures = "0.3.31"
+image = "0.25.2"
+image_dds = "0.7.1"
+lazy-regex = "3.1.0"
+rbx_asset = { version = "0.2.5", registry = "strafesnet" }
+rbx_binary = { version = "0.7.4", registry = "strafesnet" }
+rbx_dom_weak = { version = "2.7.0", registry = "strafesnet" }
+rbx_reflection_database = { version = "0.2.10", registry = "strafesnet" }
+rbx_xml = { version = "0.13.3", registry = "strafesnet" }
+rbxassetid = { version = "0.1.0", registry = "strafesnet" }
+strafesnet_bsp_loader = { version = "0.3.0", path = "../lib/bsp_loader", registry = "strafesnet" }
+strafesnet_deferred_loader = { version = "0.5.0", path = "../lib/deferred_loader", registry = "strafesnet" }
+strafesnet_rbx_loader = { version = "0.6.0", path = "../lib/rbx_loader", registry = "strafesnet" }
+strafesnet_snf = { version = "0.3.0", path = "../lib/snf", registry = "strafesnet" }
+thiserror = "2.0.11"
+tokio = { version = "1.43.0", features = ["macros", "rt-multi-thread", "fs"] }
+vbsp = "0.6.0"
+vmdl = "0.2.0"
+vmt-parser = "0.2.0"
+vpk = "0.2.0"
+vtf = "0.3.0"
+
+#[profile.release]
+#lto = true
+#strip = true
+#codegen-units = 1

map-tool/LICENSE

@@ -0,0 +1,23 @@
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

map-tool/README.md

@@ -0,0 +1,2 @@
+# map-tool
+

map-tool/src/main.rs

@@ -0,0 +1,30 @@
+mod roblox;
+mod source;
+
+use clap::{Parser,Subcommand};
+use anyhow::Result as AResult;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+#[command(propagate_version = true)]
+struct Cli {
+	#[command(subcommand)]
+	command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands{
+	#[command(flatten)]
+	Roblox(roblox::Commands),
+	#[command(flatten)]
+	Source(source::Commands),
+}
+
+#[tokio::main]
+async fn main()->AResult<()>{
+	let cli=Cli::parse();
+	match cli.command{
+		Commands::Roblox(commands)=>commands.run().await,
+		Commands::Source(commands)=>commands.run().await,
+	}
+}

map-tool/src/roblox.rs

@@ -0,0 +1,431 @@
+use std::path::{Path,PathBuf};
+use std::io::{Cursor,Read,Seek};
+use std::collections::HashSet;
+use clap::{Args,Subcommand};
+use anyhow::Result as AResult;
+use rbx_dom_weak::Instance;
+use strafesnet_deferred_loader::deferred_loader::LoadFailureMode;
+use rbxassetid::RobloxAssetId;
+use tokio::io::AsyncReadExt;
+
+const DOWNLOAD_LIMIT:usize=16;
+
+#[derive(Subcommand)]
+pub enum Commands{
+	RobloxToSNF(RobloxToSNFSubcommand),
+	DownloadAssets(DownloadAssetsSubcommand),
+}
+
+#[derive(Args)]
+pub struct RobloxToSNFSubcommand {
+	#[arg(long)]
+	output_folder:PathBuf,
+	#[arg(required=true)]
+	input_files:Vec<PathBuf>,
+}
+#[derive(Args)]
+pub struct DownloadAssetsSubcommand{
+	#[arg(required=true)]
+	roblox_files:Vec<PathBuf>,
+	// #[arg(long)]
+	// cookie_file:Option<String>,
+}
+
+impl Commands{
+	pub async fn run(self)->AResult<()>{
+		match self{
+			Commands::RobloxToSNF(subcommand)=>roblox_to_snf(subcommand.input_files,subcommand.output_folder).await,
+			Commands::DownloadAssets(subcommand)=>download_assets(
+				subcommand.roblox_files,
+				rbx_asset::cookie::Cookie::new("".to_string()),
+			).await,
+		}
+	}
+}
+
+#[allow(unused)]
+#[derive(Debug)]
+enum LoadDomError{
+	IO(std::io::Error),
+	Binary(rbx_binary::DecodeError),
+	Xml(rbx_xml::DecodeError),
+	UnknownFormat,
+}
+fn load_dom<R:Read+Seek>(mut input:R)->Result<rbx_dom_weak::WeakDom,LoadDomError>{
+	let mut first_8=[0u8;8];
+	input.read_exact(&mut first_8).map_err(LoadDomError::IO)?;
+	input.rewind().map_err(LoadDomError::IO)?;
+	match &first_8{
+		b"<roblox!"=>rbx_binary::from_reader(input).map_err(LoadDomError::Binary),
+		b"<roblox "=>rbx_xml::from_reader(input,rbx_xml::DecodeOptions::default()).map_err(LoadDomError::Xml),
+		_=>Err(LoadDomError::UnknownFormat),
+	}
+}
+
+/* The ones I'm interested in:
+Beam.Texture
+Decal.Texture
+FileMesh.MeshId
+FileMesh.TextureId
+MaterialVariant.ColorMap
+MaterialVariant.MetalnessMap
+MaterialVariant.NormalMap
+MaterialVariant.RoughnessMap
+MeshPart.MeshId
+MeshPart.TextureID
+ParticleEmitter.Texture
+Sky.MoonTextureId
+Sky.SkyboxBk
+Sky.SkyboxDn
+Sky.SkyboxFt
+Sky.SkyboxLf
+Sky.SkyboxRt
+Sky.SkyboxUp
+Sky.SunTextureId
+SurfaceAppearance.ColorMap
+SurfaceAppearance.MetalnessMap
+SurfaceAppearance.NormalMap
+SurfaceAppearance.RoughnessMap
+SurfaceAppearance.TexturePack
+*/
+fn accumulate_content_id(content_list:&mut HashSet<RobloxAssetId>,object:&Instance,property:&str){
+	if let Some(rbx_dom_weak::types::Variant::Content(content))=object.properties.get(property){
+		let url:&str=content.as_ref();
+		if let Ok(asset_id)=url.parse(){
+			content_list.insert(asset_id);
+		}else{
+			println!("Content failed to parse into AssetID: {:?}",content);
+		}
+	}else{
+		println!("property={} does not exist for class={}",property,object.class.as_str());
+	}
+}
+async fn read_entire_file(path:impl AsRef<Path>)->Result<Cursor<Vec<u8>>,std::io::Error>{
+	let mut file=tokio::fs::File::open(path).await?;
+	let mut data=Vec::new();
+	file.read_to_end(&mut data).await?;
+	Ok(Cursor::new(data))
+}
+#[derive(Default)]
+struct UniqueAssets{
+	meshes:HashSet<RobloxAssetId>,
+	unions:HashSet<RobloxAssetId>,
+	textures:HashSet<RobloxAssetId>,
+}
+impl UniqueAssets{
+	fn collect(&mut self,object:&Instance){
+		match object.class.as_str(){
+			"Beam"=>accumulate_content_id(&mut self.textures,object,"Texture"),
+			"Decal"=>accumulate_content_id(&mut self.textures,object,"Texture"),
+			"Texture"=>accumulate_content_id(&mut self.textures,object,"Texture"),
+			"FileMesh"=>accumulate_content_id(&mut self.textures,object,"TextureId"),
+			"MeshPart"=>{
+				accumulate_content_id(&mut self.textures,object,"TextureID");
+				accumulate_content_id(&mut self.meshes,object,"MeshId");
+			},
+			"SpecialMesh"=>accumulate_content_id(&mut self.meshes,object,"MeshId"),
+			"ParticleEmitter"=>accumulate_content_id(&mut self.textures,object,"Texture"),
+			"Sky"=>{
+				accumulate_content_id(&mut self.textures,object,"MoonTextureId");
+				accumulate_content_id(&mut self.textures,object,"SkyboxBk");
+				accumulate_content_id(&mut self.textures,object,"SkyboxDn");
+				accumulate_content_id(&mut self.textures,object,"SkyboxFt");
+				accumulate_content_id(&mut self.textures,object,"SkyboxLf");
+				accumulate_content_id(&mut self.textures,object,"SkyboxRt");
+				accumulate_content_id(&mut self.textures,object,"SkyboxUp");
+				accumulate_content_id(&mut self.textures,object,"SunTextureId");
+			},
+			"UnionOperation"=>accumulate_content_id(&mut self.unions,object,"AssetId"),
+			_=>(),
+		}
+	}
+}
+
+#[allow(unused)]
+#[derive(Debug)]
+enum UniqueAssetError{
+	IO(std::io::Error),
+	LoadDom(LoadDomError),
+}
+async fn unique_assets(path:&Path)->Result<UniqueAssets,UniqueAssetError>{
+	// read entire file
+	let mut assets=UniqueAssets::default();
+	let data=read_entire_file(path).await.map_err(UniqueAssetError::IO)?;
+	let dom=load_dom(data).map_err(UniqueAssetError::LoadDom)?;
+	for object in dom.into_raw().1.into_values(){
+		assets.collect(&object);
+	}
+	Ok(assets)
+}
+enum DownloadType{
+	Texture(RobloxAssetId),
+	Mesh(RobloxAssetId),
+	Union(RobloxAssetId),
+}
+impl DownloadType{
+	fn path(&self)->PathBuf{
+		match self{
+			DownloadType::Texture(asset_id)=>format!("downloaded_textures/{}",asset_id.0.to_string()).into(),
+			DownloadType::Mesh(asset_id)=>format!("meshes/{}",asset_id.0.to_string()).into(),
+			DownloadType::Union(asset_id)=>format!("unions/{}",asset_id.0.to_string()).into(),
+		}
+	}
+	fn asset_id(&self)->u64{
+		match self{
+			DownloadType::Texture(asset_id)=>asset_id.0,
+			DownloadType::Mesh(asset_id)=>asset_id.0,
+			DownloadType::Union(asset_id)=>asset_id.0,
+		}
+	}
+}
+enum DownloadResult{
+	Cached(PathBuf),
+	Data(Vec<u8>),
+	Failed,
+}
+#[derive(Default,Debug)]
+struct Stats{
+	total_assets:u32,
+	cached_assets:u32,
+	downloaded_assets:u32,
+	failed_downloads:u32,
+	timed_out_downloads:u32,
+}
+async fn download_retry(stats:&mut Stats,context:&rbx_asset::cookie::CookieContext,download_instruction:DownloadType)->Result<DownloadResult,std::io::Error>{
+	stats.total_assets+=1;
+	let download_instruction=download_instruction;
+	// check if file exists on disk
+	let path=download_instruction.path();
+	if tokio::fs::try_exists(path.as_path()).await?{
+		stats.cached_assets+=1;
+		return Ok(DownloadResult::Cached(path));
+	}
+	let asset_id=download_instruction.asset_id();
+	// if not, download file
+	let mut retry=0;
+	const BACKOFF_MUL:f32=1.3956124250860895286;//exp(1/3)
+	let mut backoff=1000f32;
+	loop{
+		let asset_result=context.get_asset(rbx_asset::cookie::GetAssetRequest{
+			asset_id,
+			version:None,
+		}).await;
+		match asset_result{
+			Ok(asset_result)=>{
+				stats.downloaded_assets+=1;
+				tokio::fs::write(path,&asset_result).await?;
+				break Ok(DownloadResult::Data(asset_result));
+			},
+			Err(rbx_asset::cookie::GetError::Response(rbx_asset::ResponseError::StatusCodeWithUrlAndBody(scwuab)))=>{
+				if scwuab.status_code.as_u16()==429{
+					if retry==12{
+						println!("Giving up asset download {asset_id}");
+						stats.timed_out_downloads+=1;
+						break Ok(DownloadResult::Failed);
+					}
+					println!("Hit roblox rate limit, waiting {:.0}ms...",backoff);
+					tokio::time::sleep(std::time::Duration::from_millis(backoff as u64)).await;
+					backoff*=BACKOFF_MUL;
+					retry+=1;
+				}else{
+					stats.failed_downloads+=1;
+					println!("weird scuwab error: {scwuab:?}");
+					break Ok(DownloadResult::Failed);
+				}
+			},
+			Err(e)=>{
+				stats.failed_downloads+=1;
+				println!("sadly error: {e}");
+				break Ok(DownloadResult::Failed);
+			},
+		}
+	}
+}
+#[derive(Debug,thiserror::Error)]
+enum ConvertTextureError{
+	#[error("Io error {0:?}")]
+	Io(#[from]std::io::Error),
+	#[error("Image error {0:?}")]
+	Image(#[from]image::ImageError),
+	#[error("DDS create error {0:?}")]
+	DDS(#[from]image_dds::CreateDdsError),
+	#[error("DDS write error {0:?}")]
+	DDSWrite(#[from]image_dds::ddsfile::Error),
+}
+async fn convert_texture(asset_id:RobloxAssetId,download_result:DownloadResult)->Result<(),ConvertTextureError>{
+	let data=match download_result{
+		DownloadResult::Cached(path)=>tokio::fs::read(path).await?,
+		DownloadResult::Data(data)=>data,
+		DownloadResult::Failed=>return Ok(()),
+	};
+	// image::ImageFormat::Png
+	// image::ImageFormat::Jpeg
+	let image=image::load_from_memory(&data)?.to_rgba8();
+
+	// pick format
+	let format=if image.width()%4!=0||image.height()%4!=0{
+		image_dds::ImageFormat::Rgba8UnormSrgb
+	}else{
+		image_dds::ImageFormat::BC7RgbaUnormSrgb
+	};
+
+	//this fails if the image dimensions are not a multiple of 4
+	let dds=image_dds::dds_from_image(
+		&image,
+		format,
+		image_dds::Quality::Slow,
+		image_dds::Mipmaps::GeneratedAutomatic,
+	)?;
+
+	let file_name=format!("textures/{}.dds",asset_id.0);
+	let mut file=std::fs::File::create(file_name)?;
+	dds.write(&mut file)?;
+	Ok(())
+}
+async fn download_assets(paths:Vec<PathBuf>,cookie:rbx_asset::cookie::Cookie)->AResult<()>{
+	tokio::try_join!(
+		tokio::fs::create_dir_all("downloaded_textures"),
+		tokio::fs::create_dir_all("textures"),
+		tokio::fs::create_dir_all("meshes"),
+		tokio::fs::create_dir_all("unions"),
+	)?;
+	// use mpsc
+	let thread_limit=std::thread::available_parallelism()?.get();
+	let (send_assets,mut recv_assets)=tokio::sync::mpsc::channel(DOWNLOAD_LIMIT);
+	let (send_texture,mut recv_texture)=tokio::sync::mpsc::channel(thread_limit);
+	// map decode dispatcher
+	// read files multithreaded
+	// produce UniqueAssetsResult per file
+	tokio::spawn(async move{
+		// move send so it gets dropped when all maps have been decoded
+		// closing the channel
+		let mut it=paths.into_iter();
+		static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+		SEM.add_permits(thread_limit);
+		while let (Ok(permit),Some(path))=(SEM.acquire().await,it.next()){
+			let send=send_assets.clone();
+			tokio::spawn(async move{
+				let result=unique_assets(path.as_path()).await;
+				_=send.send(result).await;
+				drop(permit);
+			});
+		}
+	});
+	// download manager
+	// insert into global unique assets guy
+	// add to download queue if the asset is globally unique and does not already exist on disk
+	let mut stats=Stats::default();
+	let context=rbx_asset::cookie::CookieContext::new(cookie);
+	let mut globally_unique_assets=UniqueAssets::default();
+	// pop a job = retry_queue.pop_front() or ingest(recv.recv().await)
+	// SLOW MODE:
+	// acquire all permits
+	// drop all permits
+	// pop one job
+	// if it succeeds go into fast mode
+	// FAST MODE:
+	// acquire one permit
+	// pop a job
+	let download_thread=tokio::spawn(async move{
+		while let Some(result)=recv_assets.recv().await{
+			let unique_assets=match result{
+				Ok(unique_assets)=>unique_assets,
+				Err(e)=>{
+					println!("error: {e:?}");
+					continue;
+				},
+			};
+			for texture_id in unique_assets.textures{
+				if globally_unique_assets.textures.insert(texture_id){
+					let data=download_retry(&mut stats,&context,DownloadType::Texture(texture_id)).await?;
+					send_texture.send((texture_id,data)).await?;
+				}
+			}
+			for mesh_id in unique_assets.meshes{
+				if globally_unique_assets.meshes.insert(mesh_id){
+					download_retry(&mut stats,&context,DownloadType::Mesh(mesh_id)).await?;
+				}
+			}
+			for union_id in unique_assets.unions{
+				if globally_unique_assets.unions.insert(union_id){
+					download_retry(&mut stats,&context,DownloadType::Union(union_id)).await?;
+				}
+			}
+		}
+		dbg!(stats);
+		Ok::<(),anyhow::Error>(())
+	});
+	static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+	SEM.add_permits(thread_limit);
+	while let (Ok(permit),Some((asset_id,download_result)))=(SEM.acquire().await,recv_texture.recv().await){
+		tokio::spawn(async move{
+			let result=convert_texture(asset_id,download_result).await;
+			drop(permit);
+			result.unwrap();
+		});
+	}
+	download_thread.await??;
+	_=SEM.acquire_many(thread_limit as u32).await.unwrap();
+	Ok(())
+}
+
+#[derive(Debug)]
+#[allow(dead_code)]
+enum ConvertError{
+	IO(std::io::Error),
+	SNFMap(strafesnet_snf::map::Error),
+	RobloxRead(strafesnet_rbx_loader::ReadError),
+	RobloxLoad(strafesnet_rbx_loader::LoadError),
+}
+impl std::fmt::Display for ConvertError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for ConvertError{}
+async fn convert_to_snf(path:&Path,output_folder:PathBuf)->AResult<()>{
+	let entire_file=tokio::fs::read(path).await?;
+
+	let model=strafesnet_rbx_loader::read(
+		std::io::Cursor::new(entire_file)
+	).map_err(ConvertError::RobloxRead)?;
+
+	let mut place=model.into_place();
+	place.run_scripts();
+
+	let map=place.to_snf(LoadFailureMode::DefaultToNone).map_err(ConvertError::RobloxLoad)?;
+
+	let mut dest=output_folder;
+	dest.push(path.file_stem().unwrap());
+	dest.set_extension("snfm");
+	let file=std::fs::File::create(dest).map_err(ConvertError::IO)?;
+
+	strafesnet_snf::map::write_map(file,map).map_err(ConvertError::SNFMap)?;
+
+	Ok(())
+}
+
+async fn roblox_to_snf(paths:Vec<std::path::PathBuf>,output_folder:PathBuf)->AResult<()>{
+	let start=std::time::Instant::now();
+
+	let thread_limit=std::thread::available_parallelism()?.get();
+	let mut it=paths.into_iter();
+	static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+	SEM.add_permits(thread_limit);
+
+	while let (Ok(permit),Some(path))=(SEM.acquire().await,it.next()){
+		let output_folder=output_folder.clone();
+		tokio::spawn(async move{
+			let result=convert_to_snf(path.as_path(),output_folder).await;
+			drop(permit);
+			match result{
+				Ok(())=>(),
+				Err(e)=>println!("Convert error: {e:?}"),
+			}
+		});
+	}
+	_=SEM.acquire_many(thread_limit as u32).await.unwrap();
+
+	println!("elapsed={:?}", start.elapsed());
+	Ok(())
+}

map-tool/src/source.rs

@@ -0,0 +1,464 @@
+use std::path::{Path,PathBuf};
+use std::borrow::Cow;
+use clap::{Args,Subcommand};
+use anyhow::Result as AResult;
+use futures::StreamExt;
+use strafesnet_bsp_loader::loader::BspFinder;
+use strafesnet_deferred_loader::loader::Loader;
+use strafesnet_deferred_loader::deferred_loader::{LoadFailureMode,MeshDeferredLoader,RenderConfigDeferredLoader};
+
+#[derive(Subcommand)]
+pub enum Commands{
+	SourceToSNF(SourceToSNFSubcommand),
+	ExtractTextures(ExtractTexturesSubcommand),
+	VPKContents(VPKContentsSubcommand),
+	BSPContents(BSPContentsSubcommand),
+}
+
+#[derive(Args)]
+pub struct SourceToSNFSubcommand {
+	#[arg(long)]
+	output_folder:PathBuf,
+	#[arg(required=true)]
+	input_files:Vec<PathBuf>,
+	#[arg(long)]
+	vpks:Vec<PathBuf>,
+}
+#[derive(Args)]
+pub struct ExtractTexturesSubcommand{
+	#[arg(required=true)]
+	bsp_files:Vec<PathBuf>,
+	#[arg(long)]
+	vpks:Vec<PathBuf>,
+}
+#[derive(Args)]
+pub struct VPKContentsSubcommand {
+	#[arg(long)]
+	input_file:PathBuf,
+}
+#[derive(Args)]
+pub struct BSPContentsSubcommand {
+	#[arg(long)]
+	input_file:PathBuf,
+}
+
+impl Commands{
+	pub async fn run(self)->AResult<()>{
+		match self{
+			Commands::SourceToSNF(subcommand)=>source_to_snf(subcommand.input_files,subcommand.output_folder,subcommand.vpks).await,
+			Commands::ExtractTextures(subcommand)=>extract_textures(subcommand.bsp_files,subcommand.vpks).await,
+			Commands::VPKContents(subcommand)=>vpk_contents(subcommand.input_file),
+			Commands::BSPContents(subcommand)=>bsp_contents(subcommand.input_file),
+		}
+	}
+}
+
+
+enum VMTContent{
+	VMT(String),
+	VTF(String),
+	Patch(vmt_parser::material::PatchMaterial),
+	Unsupported,//don't want to deal with whatever vmt variant
+	Unresolved,//could not locate a texture because of vmt content
+}
+impl VMTContent{
+	fn vtf(opt:Option<String>)->Self{
+		match opt{
+			Some(s)=>Self::VTF(s),
+			None=>Self::Unresolved,
+		}
+	}
+}
+
+fn get_some_texture(material:vmt_parser::material::Material)->VMTContent{
+	//just grab some texture from somewhere for now
+	match material{
+		vmt_parser::material::Material::LightMappedGeneric(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::VertexLitGeneric(mat)=>VMTContent::vtf(mat.base_texture.or(mat.decal_texture)),//this just dies if there is none
+		vmt_parser::material::Material::VertexLitGenericDx6(mat)=>VMTContent::vtf(mat.base_texture.or(mat.decal_texture)),
+		vmt_parser::material::Material::UnlitGeneric(mat)=>VMTContent::vtf(mat.base_texture),
+		vmt_parser::material::Material::UnlitTwoTexture(mat)=>VMTContent::vtf(mat.base_texture),
+		vmt_parser::material::Material::Water(mat)=>VMTContent::vtf(mat.base_texture),
+		vmt_parser::material::Material::WorldVertexTransition(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::EyeRefract(mat)=>VMTContent::vtf(Some(mat.cornea_texture)),
+		vmt_parser::material::Material::SubRect(mat)=>VMTContent::VMT(mat.material),//recursive
+		vmt_parser::material::Material::Sprite(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::SpriteCard(mat)=>VMTContent::vtf(mat.base_texture),
+		vmt_parser::material::Material::Cable(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::Refract(mat)=>VMTContent::vtf(mat.base_texture),
+		vmt_parser::material::Material::Modulate(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::DecalModulate(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::Sky(mat)=>VMTContent::vtf(Some(mat.base_texture)),
+		vmt_parser::material::Material::Replacements(_mat)=>VMTContent::Unsupported,
+		vmt_parser::material::Material::Patch(mat)=>VMTContent::Patch(mat),
+		_=>unreachable!(),
+	}
+}
+
+#[derive(Debug,thiserror::Error)]
+enum GetVMTError{
+	#[error("Bsp error {0:?}")]
+	Bsp(#[from]vbsp::BspError),
+	#[error("Utf8 error {0:?}")]
+	Utf8(#[from]std::str::Utf8Error),
+	#[error("Vdf error {0:?}")]
+	Vdf(#[from]vmt_parser::VdfError),
+	#[error("Vmt not found")]
+	NotFound,
+}
+
+fn get_vmt(finder:BspFinder,search_name:&str)->Result<vmt_parser::material::Material,GetVMTError>{
+	let vmt_data=finder.find(search_name)?.ok_or(GetVMTError::NotFound)?;
+	//decode vmt and then write
+	let vmt_str=core::str::from_utf8(&vmt_data)?;
+	let material=vmt_parser::from_str(vmt_str)?;
+	//println!("vmt material={:?}",material);
+	Ok(material)
+}
+
+#[derive(Debug,thiserror::Error)]
+enum LoadVMTError{
+	#[error("Bsp error {0:?}")]
+	Bsp(#[from]vbsp::BspError),
+	#[error("GetVMT error {0:?}")]
+	GetVMT(#[from]GetVMTError),
+	#[error("FromUtf8 error {0:?}")]
+	FromUtf8(#[from]std::string::FromUtf8Error),
+	#[error("Vdf error {0:?}")]
+	Vdf(#[from]vmt_parser::VdfError),
+	#[error("Vmt unsupported")]
+	Unsupported,
+	#[error("Vmt unresolved")]
+	Unresolved,
+	#[error("Vmt not found")]
+	NotFound,
+}
+fn recursive_vmt_loader<'bsp,'vpk,'a>(finder:BspFinder<'bsp,'vpk>,material:vmt_parser::material::Material)->Result<Option<Cow<'a,[u8]>>,LoadVMTError>
+	where
+		'bsp:'a,
+		'vpk:'a,
+{
+	match get_some_texture(material){
+		VMTContent::VMT(mut s)=>{
+			s.make_ascii_lowercase();
+			recursive_vmt_loader(finder,get_vmt(finder,&s)?)
+		},
+		VMTContent::VTF(s)=>{
+			let mut texture_file_name=PathBuf::from("materials");
+			texture_file_name.push(s);
+			texture_file_name.set_extension("vtf");
+			texture_file_name.as_mut_os_str().make_ascii_lowercase();
+			Ok(finder.find(texture_file_name.to_str().unwrap())?)
+		},
+		VMTContent::Patch(mat)=>recursive_vmt_loader(finder,
+			mat.resolve(|search_name|{
+				let name_lowercase=search_name.to_lowercase();
+				match finder.find(&name_lowercase)?{
+					Some(bytes)=>Ok(String::from_utf8(bytes.into_owned())?),
+					None=>Err(LoadVMTError::NotFound),
+				}
+			})?
+		),
+		VMTContent::Unsupported=>Err(LoadVMTError::Unsupported),
+		VMTContent::Unresolved=>Err(LoadVMTError::Unresolved),
+	}
+}
+fn load_texture<'bsp,'vpk,'a>(finder:BspFinder<'bsp,'vpk>,texture_name:&str)->Result<Option<Cow<'a,[u8]>>,LoadVMTError>
+	where
+		'bsp:'a,
+		'vpk:'a,
+{
+	let mut texture_file_name=PathBuf::from("materials");
+	//lower case
+	texture_file_name.push(texture_name);
+	texture_file_name.as_mut_os_str().make_ascii_lowercase();
+	//remove stem and search for both vtf and vmt files
+	let stem=texture_file_name.file_stem().unwrap().to_owned();
+	texture_file_name.pop();
+	texture_file_name.push(stem);
+	if let Some(stuff)=finder.find(texture_file_name.to_str().unwrap())?{
+		return Ok(Some(stuff));
+	}
+
+	// search for both vmt,vtf
+	let mut texture_file_name_vmt=texture_file_name.clone();
+	texture_file_name_vmt.set_extension("vmt");
+
+	let get_vmt_result=get_vmt(finder,texture_file_name_vmt.to_str().unwrap());
+	match get_vmt_result{
+		Ok(material)=>{
+			let vmt_result=recursive_vmt_loader(finder,material);
+			match vmt_result{
+				Ok(Some(stuff))=>return Ok(Some(stuff)),
+				Ok(None)
+				|Err(LoadVMTError::NotFound)=>(),
+				|Err(LoadVMTError::GetVMT(GetVMTError::NotFound))=>(),
+				Err(e)=>return Err(e),
+			}
+		}
+		|Err(GetVMTError::NotFound)=>(),
+		Err(e)=>Err(e)?,
+	}
+
+	// try looking for vtf
+	let mut texture_file_name_vtf=texture_file_name.clone();
+	texture_file_name_vtf.set_extension("vtf");
+
+	let get_vtf_result=get_vmt(finder,texture_file_name_vtf.to_str().unwrap());
+	match get_vtf_result{
+		Ok(material)=>{
+			let vtf_result=recursive_vmt_loader(finder,material);
+			match vtf_result{
+				Ok(Some(stuff))=>return Ok(Some(stuff)),
+				Ok(None)
+				|Err(LoadVMTError::NotFound)=>(),
+				|Err(LoadVMTError::GetVMT(GetVMTError::NotFound))=>(),
+				Err(e)=>return Err(e),
+			}
+		}
+		|Err(GetVMTError::NotFound)=>(),
+		Err(e)=>Err(e)?,
+	}
+
+	Ok(None)
+}
+#[derive(Debug,thiserror::Error)]
+enum ExtractTextureError{
+	#[error("Io error {0:?}")]
+	Io(#[from]std::io::Error),
+	#[error("Bsp error {0:?}")]
+	Bsp(#[from]vbsp::BspError),
+	#[error("MeshLoad error {0:?}")]
+	MeshLoad(#[from]strafesnet_bsp_loader::loader::MeshError),
+	#[error("Load VMT error {0:?}")]
+	LoadVMT(#[from]LoadVMTError),
+}
+async fn gimme_them_textures(path:&Path,vpk_list:&[strafesnet_bsp_loader::Vpk],send_texture:tokio::sync::mpsc::Sender<(Vec<u8>,String)>)->Result<(),ExtractTextureError>{
+	let bsp=vbsp::Bsp::read(tokio::fs::read(path).await?.as_ref())?;
+	let loader_bsp=strafesnet_bsp_loader::Bsp::new(bsp);
+	let bsp=loader_bsp.as_ref();
+
+	let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
+	for texture in bsp.textures(){
+		texture_deferred_loader.acquire_render_config_id(Some(Cow::Borrowed(texture.name())));
+	}
+
+	let mut mesh_deferred_loader=MeshDeferredLoader::new();
+	for prop in bsp.static_props(){
+		mesh_deferred_loader.acquire_mesh_id(prop.model());
+	}
+
+	let finder=BspFinder{
+		bsp:&loader_bsp,
+		vpks:vpk_list
+	};
+
+	let mut mesh_loader=strafesnet_bsp_loader::loader::ModelLoader::new(finder);
+	// load models and collect requested textures
+	for model_path in mesh_deferred_loader.into_indices(){
+		let model:vmdl::Model=match mesh_loader.load(model_path){
+			Ok(model)=>model,
+			Err(e)=>{
+				println!("Model={model_path} Load model error: {e}");
+				continue;
+			},
+		};
+		for texture in model.textures(){
+			for search_path in &texture.search_paths{
+				let mut path=PathBuf::from(search_path.as_str());
+				path.push(texture.name.as_str());
+				let path=path.to_str().unwrap().to_owned();
+				texture_deferred_loader.acquire_render_config_id(Some(Cow::Owned(path)));
+			}
+		}
+	}
+
+	for texture_path in texture_deferred_loader.into_indices(){
+		match load_texture(finder,&texture_path){
+			Ok(Some(texture))=>send_texture.send(
+				(texture.into_owned(),texture_path.into_owned())
+			).await.unwrap(),
+			Ok(None)=>(),
+			Err(e)=>println!("Texture={texture_path} Load error: {e}"),
+		}
+	}
+
+	Ok(())
+}
+
+
+#[derive(Debug,thiserror::Error)]
+enum ConvertTextureError{
+	#[error("Bsp error {0:?}")]
+	Bsp(#[from]vbsp::BspError),
+	#[error("Vtf error {0:?}")]
+	Vtf(#[from]vtf::Error),
+	#[error("DDS create error {0:?}")]
+	DDS(#[from]image_dds::CreateDdsError),
+	#[error("DDS write error {0:?}")]
+	DDSWrite(#[from]image_dds::ddsfile::Error),
+	#[error("Io error {0:?}")]
+	Io(#[from]std::io::Error),
+}
+
+async fn convert_texture(texture:Vec<u8>,write_file_name:impl AsRef<Path>)->Result<(),ConvertTextureError>{
+	let image=vtf::from_bytes(&texture)?.highres_image.decode(0)?.to_rgba8();
+
+	let format=if image.width()%4!=0||image.height()%4!=0{
+		image_dds::ImageFormat::Rgba8UnormSrgb
+	}else{
+		image_dds::ImageFormat::BC7RgbaUnormSrgb
+	};
+	//this fails if the image dimensions are not a multiple of 4
+	let dds = image_dds::dds_from_image(
+		&image,
+		format,
+		image_dds::Quality::Slow,
+		image_dds::Mipmaps::GeneratedAutomatic,
+	)?;
+
+	//write dds
+	let mut dest=PathBuf::from("textures");
+	dest.push(write_file_name);
+	dest.set_extension("dds");
+	std::fs::create_dir_all(dest.parent().unwrap())?;
+	let mut writer=std::io::BufWriter::new(std::fs::File::create(dest)?);
+	dds.write(&mut writer)?;
+
+	Ok(())
+}
+
+async fn read_vpks(vpk_paths:Vec<PathBuf>,thread_limit:usize)->Vec<strafesnet_bsp_loader::Vpk>{
+	futures::stream::iter(vpk_paths).map(|vpk_path|async{
+		// idk why it doesn't want to pass out the errors but this is fatal anyways
+		tokio::task::spawn_blocking(move||Ok::<_,vpk::Error>(strafesnet_bsp_loader::Vpk::new(vpk::VPK::read(&vpk_path)?))).await.unwrap().unwrap()
+	})
+	.buffer_unordered(thread_limit)
+	.collect().await
+}
+
+async fn extract_textures(paths:Vec<PathBuf>,vpk_paths:Vec<PathBuf>)->AResult<()>{
+	tokio::try_join!(
+		tokio::fs::create_dir_all("extracted_textures"),
+		tokio::fs::create_dir_all("textures"),
+		tokio::fs::create_dir_all("meshes"),
+	)?;
+	let thread_limit=std::thread::available_parallelism()?.get();
+
+	// load vpk list and leak for static lifetime
+	let vpk_list:&[strafesnet_bsp_loader::Vpk]=read_vpks(vpk_paths,thread_limit).await.leak();
+
+	let (send_texture,mut recv_texture)=tokio::sync::mpsc::channel(thread_limit);
+	let mut it=paths.into_iter();
+	let extract_thread=tokio::spawn(async move{
+		static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+		SEM.add_permits(thread_limit);
+		while let (Ok(permit),Some(path))=(SEM.acquire().await,it.next()){
+			let send=send_texture.clone();
+			tokio::spawn(async move{
+				let result=gimme_them_textures(&path,vpk_list,send).await;
+				drop(permit);
+				match result{
+					Ok(())=>(),
+					Err(e)=>println!("Map={path:?} Decode error: {e:?}"),
+				}
+			});
+		}
+	});
+
+	// convert images
+	static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+	SEM.add_permits(thread_limit);
+	while let (Ok(permit),Some((data,dest)))=(SEM.acquire().await,recv_texture.recv().await){
+		// TODO: dedup dest?
+		tokio::spawn(async move{
+			let result=convert_texture(data,dest).await;
+			drop(permit);
+			match result{
+				Ok(())=>(),
+				Err(e)=>println!("Convert error: {e:?}"),
+			}
+		});
+	}
+	extract_thread.await?;
+	_=SEM.acquire_many(thread_limit as u32).await?;
+	Ok(())
+}
+
+fn vpk_contents(vpk_path:PathBuf)->AResult<()>{
+	let vpk_index=vpk::VPK::read(&vpk_path)?;
+	for (label,entry) in vpk_index.tree.into_iter(){
+		println!("vpk label={} entry={:?}",label,entry);
+	}
+	Ok(())
+}
+
+fn bsp_contents(path:PathBuf)->AResult<()>{
+	let bsp=vbsp::Bsp::read(std::fs::read(path)?.as_ref())?;
+	for file_name in bsp.pack.into_zip().into_inner().unwrap().file_names(){
+		println!("file_name={:?}",file_name);
+	}
+	Ok(())
+}
+
+#[derive(Debug)]
+#[allow(dead_code)]
+enum ConvertError{
+	IO(std::io::Error),
+	SNFMap(strafesnet_snf::map::Error),
+	BspRead(strafesnet_bsp_loader::ReadError),
+	BspLoad(strafesnet_bsp_loader::LoadError),
+}
+impl std::fmt::Display for ConvertError{
+	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
+		write!(f,"{self:?}")
+	}
+}
+impl std::error::Error for ConvertError{}
+
+async fn convert_to_snf(path:&Path,vpk_list:&[strafesnet_bsp_loader::Vpk],output_folder:PathBuf)->AResult<()>{
+	let entire_file=tokio::fs::read(path).await?;
+
+	let bsp=strafesnet_bsp_loader::read(
+		std::io::Cursor::new(entire_file)
+	).map_err(ConvertError::BspRead)?;
+
+	let map=bsp.to_snf(LoadFailureMode::DefaultToNone,vpk_list).map_err(ConvertError::BspLoad)?;
+
+	let mut dest=output_folder;
+	dest.push(path.file_stem().unwrap());
+	dest.set_extension("snfm");
+	let file=std::fs::File::create(dest).map_err(ConvertError::IO)?;
+
+	strafesnet_snf::map::write_map(file,map).map_err(ConvertError::SNFMap)?;
+
+	Ok(())
+}
+async fn source_to_snf(paths:Vec<std::path::PathBuf>,output_folder:PathBuf,vpk_paths:Vec<PathBuf>)->AResult<()>{
+	let start=std::time::Instant::now();
+
+	let thread_limit=std::thread::available_parallelism()?.get();
+
+	// load vpk list and leak for static lifetime
+	let vpk_list:&[strafesnet_bsp_loader::Vpk]=read_vpks(vpk_paths,thread_limit).await.leak();
+
+	let mut it=paths.into_iter();
+	static SEM:tokio::sync::Semaphore=tokio::sync::Semaphore::const_new(0);
+	SEM.add_permits(thread_limit);
+
+	while let (Ok(permit),Some(path))=(SEM.acquire().await,it.next()){
+		let output_folder=output_folder.clone();
+		tokio::spawn(async move{
+			let result=convert_to_snf(path.as_path(),vpk_list,output_folder).await;
+			drop(permit);
+			match result{
+				Ok(())=>(),
+				Err(e)=>println!("Convert error: {e:?}"),
+			}
+		});
+	}
+	_=SEM.acquire_many(thread_limit as u32).await.unwrap();
+
+	println!("elapsed={:?}", start.elapsed());
+	Ok(())
+}

strafe-client/src/file.rs

@@ -1,6 +1,7 @@
 use std::io::Read;
 
-use strafesnet_deferred_loader::deferred_loader::{LoadFailureMode,MeshDeferredLoader,RenderConfigDeferredLoader};
+#[cfg(any(feature="roblox",feature="source"))]
+use strafesnet_deferred_loader::deferred_loader::LoadFailureMode;
 
 #[allow(dead_code)]
 #[derive(Debug)]
@@ -68,13 +69,9 @@ pub enum LoadError{
 	ReadError(ReadError),
 	File(std::io::Error),
 	#[cfg(feature="roblox")]
-	LoadRobloxMesh(strafesnet_rbx_loader::loader::MeshError),
-	#[cfg(feature="roblox")]
-	LoadRobloxTexture(strafesnet_rbx_loader::loader::TextureError),
+	LoadRoblox(strafesnet_rbx_loader::LoadError),
 	#[cfg(feature="source")]
-	LoadSourceMesh(strafesnet_bsp_loader::loader::MeshError),
-	#[cfg(feature="source")]
-	LoadSourceTexture(strafesnet_bsp_loader::loader::TextureError),
+	LoadSource(strafesnet_bsp_loader::LoadError),
 }
 impl std::fmt::Display for LoadError{
 	fn fmt(&self,f:&mut std::fmt::Formatter<'_>)->std::fmt::Result{
@@ -84,7 +81,7 @@ impl std::fmt::Display for LoadError{
 impl std::error::Error for LoadError{}
 
 pub enum LoadFormat{
-	#[cfg(feature="snf")]
+	#[cfg(any(feature="snf",feature="roblox",feature="source"))]
 	Map(strafesnet_common::map::CompleteMap),
 	#[cfg(feature="snf")]
 	Bot(strafesnet_snf::bot::Segment),
@@ -102,50 +99,13 @@ pub fn load<P:AsRef<std::path::Path>>(path:P)->Result<LoadFormat,LoadError>{
 		ReadFormat::Roblox(model)=>{
 			let mut place=model.into_place();
 			place.run_scripts();
-
-			let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
-			let mut mesh_deferred_loader=MeshDeferredLoader::new();
-
-			let map_step1=strafesnet_rbx_loader::convert(
-				place.as_ref(),
-				&mut texture_deferred_loader,
-				&mut mesh_deferred_loader,
-			);
-
-			let mut mesh_loader=strafesnet_rbx_loader::loader::MeshLoader::new();
-			let meshpart_meshes=mesh_deferred_loader.into_meshes(&mut mesh_loader,LoadFailureMode::DefaultToNone).map_err(LoadError::LoadRobloxMesh)?;
-
-			let map_step2=map_step1.add_meshpart_meshes_and_calculate_attributes(meshpart_meshes);
-
-			let mut texture_loader=strafesnet_rbx_loader::loader::TextureLoader::new();
-			let render_configs=texture_deferred_loader.into_render_configs(&mut texture_loader,LoadFailureMode::DefaultToNone).map_err(LoadError::LoadRobloxTexture)?;
-
-			let map=map_step2.add_render_configs_and_textures(render_configs);
-
-			Ok(LoadFormat::Map(map))
+			Ok(LoadFormat::Map(
+				place.to_snf(LoadFailureMode::DefaultToNone).map_err(LoadError::LoadRoblox)?
+			))
 		},
 		#[cfg(feature="source")]
-		ReadFormat::Source(bsp)=>{
-			let mut texture_deferred_loader=RenderConfigDeferredLoader::new();
-			let mut mesh_deferred_loader=MeshDeferredLoader::new();
-
-			let map_step1=strafesnet_bsp_loader::convert(
-				&bsp,
-				&mut texture_deferred_loader,
-				&mut mesh_deferred_loader,
-			);
-
-			let mut mesh_loader=strafesnet_bsp_loader::loader::MeshLoader::new(&bsp,&mut texture_deferred_loader);
-			let prop_meshes=mesh_deferred_loader.into_meshes(&mut mesh_loader,LoadFailureMode::DefaultToNone).map_err(LoadError::LoadSourceMesh)?;
-
-			let map_step2=map_step1.add_prop_meshes(prop_meshes);
-
-			let mut texture_loader=strafesnet_bsp_loader::loader::TextureLoader::new();
-			let render_configs=texture_deferred_loader.into_render_configs(&mut texture_loader,LoadFailureMode::DefaultToNone).map_err(LoadError::LoadSourceTexture)?;
-
-			let map=map_step2.add_render_configs_and_textures(render_configs);
-
-			Ok(LoadFormat::Map(map))
-		},
+		ReadFormat::Source(bsp)=>Ok(LoadFormat::Map(
+			bsp.to_snf(LoadFailureMode::DefaultToNone,&[]).map_err(LoadError::LoadSource)?
+		)),
 	}
 }

tools/meshes

@@ -0,0 +1 @@
+/run/media/quat/Files/Documents/map-files/verify-scripts/meshes

tools/textures

@@ -0,0 +1 @@
+/run/media/quat/Files/Documents/map-files/verify-scripts/textures

tools/unions

@@ -0,0 +1 @@
+/run/media/quat/Files/Documents/map-files/verify-scripts/unions