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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. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..c9800e2 --- /dev/null +++ b/README.md @@ -0,0 +1,19 @@ +StrafesNET BSP Loader +===================== + +## Convert Valve BSP files into StrafesNET data structures + +#### License + + +Licensed under either of Apache License, Version +2.0 or MIT license at your option. + + +
+ + +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. + \ No newline at end of file diff --git a/src/bsp.rs b/src/bsp.rs new file mode 100644 index 0000000..1781c48 --- /dev/null +++ b/src/bsp.rs @@ -0,0 +1,237 @@ +use strafesnet_common::{model,integer}; + +const VALVE_SCALE:f32=1.0/16.0; +fn valve_transform(v:[f32;3])->integer::Planar64Vec3{ + integer::Planar64Vec3::try_from([v[0]*VALVE_SCALE,v[2]*VALVE_SCALE,-v[1]*VALVE_SCALE]).unwrap() +} +pub fn generate_indexed_models(input:&mut R)->Result{ + let mut s=Vec::new(); + + match input.read_to_end(&mut s){ + Ok(_)=>(), + Err(e)=>println!("load_bsp::generate_indexed_models read_to_end failed: {:?}",e), + } + + match vbsp::Bsp::read(s.as_slice()){ + Ok(bsp)=>{ + let mut spawn_point=integer::Planar64Vec3::ZERO; + + let vertices: Vec<_> = bsp + .vertices + .iter() + .map(|vertex|<[f32;3]>::from(vertex.position)) + .collect(); + + let mut name_from_texture_id=Vec::new(); + let mut texture_id_from_name=std::collections::HashMap::new(); + + let mut models=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 groups=world_model.faces() + .filter(|face| face.is_visible())//TODO: look at this + .map(|face|{ + let face_texture=face.texture(); + let face_texture_data=face_texture.texture_data(); + let (texture_u,texture_v)=(glam::Vec3A::from_slice(&face_texture.texture_transforms_u[0..3]),glam::Vec3A::from_slice(&face_texture.texture_transforms_v[0..3])); + let texture_offset=glam::vec2(face_texture.texture_transforms_u[3],face_texture.texture_transforms_v[3]); + let texture_size=glam::vec2(face_texture_data.width as f32,face_texture_data.height as f32); + + //texture + let texture_id=if let Some(&texture_id)=texture_id_from_name.get(face_texture_data.name()){ + texture_id + }else{ + let texture_id=name_from_texture_id.len() as u32; + texture_id_from_name.insert(face_texture_data.name().to_string(),texture_id); + name_from_texture_id.push(face_texture_data.name().to_string()); + texture_id + }; + + //normal + let normal=face.normal(); + let normal_idx=spam_normal.len() as u32; + spam_normal.push(valve_transform(<[f32;3]>::from(normal))); + let mut vertices:Vec=face.vertex_indexes().map(|vertex_index|{ + let pos=glam::Vec3A::from_array(vertices[vertex_index as usize]); + let pos_idx=spam_pos.len(); + spam_pos.push(valve_transform(vertices[vertex_index as usize])); + + //calculate texture coordinates + let tex=(glam::vec2(pos.dot(texture_u),pos.dot(texture_v))+texture_offset)/texture_size; + let tex_idx=spam_tex.len() as u32; + spam_tex.push(tex); + + let i=spam_vertices.len() as u32; + spam_vertices.push(model::IndexedVertex{ + pos: pos_idx as u32, + tex: tex_idx as u32, + normal: normal_idx, + color: 0, + }); + i + }).collect(); + vertices.reverse(); + model::IndexedGroup{ + texture:Some(texture_id), + polys:vec![model::IndexedPolygon{vertices}], + } + }).collect(); + model::IndexedModel{ + unique_pos:spam_pos, + unique_tex:spam_tex, + unique_normal:spam_normal, + unique_color:vec![glam::Vec4::ONE], + unique_vertices:spam_vertices, + groups, + instances:vec![model::ModelInstance{ + attributes:model::CollisionAttributes::Decoration, + transform:integer::Planar64Affine3::new( + integer::Planar64Mat3::default(), + valve_transform(<[f32;3]>::from(world_model.origin)) + ), + ..Default::default() + }], + } + }).collect(); + + //dedupe prop models + let mut model_dedupe=std::collections::HashSet::new(); + for prop in bsp.static_props(){ + model_dedupe.insert(prop.model()); + } + + //generate unique meshes + let mut model_map=std::collections::HashMap::with_capacity(model_dedupe.len()); + let mut prop_models=Vec::new(); + for model_name in model_dedupe{ + let model_name_lower=model_name.to_lowercase(); + //.mdl, .vvd, .dx90.vtx + let mut path=std::path::PathBuf::from(model_name_lower.as_str()); + let file_name=std::path::PathBuf::from(path.file_stem().unwrap()); + path.pop(); + path.push(file_name); + let mut vvd_path=path.clone(); + let mut vtx_path=path.clone(); + vvd_path.set_extension("vvd"); + vtx_path.set_extension("dx90.vtx"); + match (bsp.pack.get(model_name_lower.as_str()),bsp.pack.get(vvd_path.as_os_str().to_str().unwrap()),bsp.pack.get(vtx_path.as_os_str().to_str().unwrap())){ + (Ok(Some(mdl_file)),Ok(Some(vvd_file)),Ok(Some(vtx_file)))=>{ + match (vmdl::mdl::Mdl::read(mdl_file.as_ref()),vmdl::vvd::Vvd::read(vvd_file.as_ref()),vmdl::vtx::Vtx::read(vtx_file.as_ref())){ + (Ok(mdl),Ok(vvd),Ok(vtx))=>{ + let model=vmdl::Model::from_parts(mdl,vtx,vvd); + 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(<[f32;3]>::from(vertex.position))); + spam_normal.push(valve_transform(<[f32;3]>::from(vertex.normal))); + spam_tex.push(glam::Vec2::from_array(vertex.texture_coordinates)); + spam_vertices.push(model::IndexedVertex{ + pos:i as u32, + tex:i as u32, + normal:i as u32, + color:0, + }); + } + + let model_id=prop_models.len(); + model_map.insert(model_name,model_id); + prop_models.push(model::IndexedModel{ + unique_pos:spam_pos, + unique_normal:spam_normal, + unique_tex:spam_tex, + unique_color:vec![glam::Vec4::ONE], + unique_vertices:spam_vertices, + groups:model.meshes().map(|mesh|{ + let texture=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 texture_location=path.as_os_str().to_str().unwrap(); + let texture_id=if let Some(&texture_id)=texture_id_from_name.get(texture_location){ + texture_id + }else{ + println!("texture! {}",texture_location); + let texture_id=name_from_texture_id.len() as u32; + texture_id_from_name.insert(texture_location.to_string(),texture_id); + name_from_texture_id.push(texture_location.to_string()); + texture_id + }; + Some(texture_id) + }else{ + None + }; + + model::IndexedGroup{ + texture, + polys:{ + //looking at the code, it would seem that the strips are pre-deindexed into triangle lists when calling this function + mesh.vertex_strip_indices().map(|strip|{ + strip.collect::>().chunks(3).map(|tri|{ + model::IndexedPolygon{vertices:vec![tri[0] as u32,tri[1] as u32,tri[2] as u32]} + }).collect::>() + }).flatten().collect() + }, + } + }).collect(), + instances:Vec::new(), + }); + }, + _=>println!("model_name={} error",model_name), + } + }, + _=>println!("no model name={}",model_name), + } + } + + //generate model instances + for prop in bsp.static_props(){ + let placement=prop.as_prop_placement(); + if let Some(&model_index)=model_map.get(placement.model){ + prop_models[model_index].instances.push(model::ModelInstance{ + transform:integer::Planar64Affine3::new( + integer::Planar64Mat3::try_from( + glam::Mat3A::from_diagonal(glam::Vec3::splat(placement.scale)) + //TODO: figure this out + *glam::Mat3A::from_quat(glam::Quat::from_xyzw( + placement.rotation.v.x,//b + placement.rotation.v.y,//c + placement.rotation.v.z,//d + placement.rotation.s,//a + )) + ).unwrap(), + valve_transform(<[f32;3]>::from(placement.origin)), + ), + attributes:model::CollisionAttributes::Decoration, + ..Default::default() + }); + }else{ + //println!("model not found {}",placement.model); + } + } + + //actually add the prop models + prop_models.append(&mut models); + + Ok(model::IndexedModelInstances{ + textures:name_from_texture_id, + models:prop_models, + spawn_point, + modes:Vec::new(), + }) + }, + Err(e)=>{ + println!("rotten {:?}",e); + Err(e) + }, + } +} diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..e06ee2d --- /dev/null +++ b/src/lib.rs @@ -0,0 +1 @@ +pub mod bsp; \ No newline at end of file