| 1 | use paperdoll_renderer::equipment::{self, Preset, RigSignature, MAGIC}; |
| 2 | use paperdoll_renderer::preview::{self, PreviewControls}; |
| 3 | use std::fs; |
| 4 | use std::path::PathBuf; |
| 5 | |
| 6 | fn fixture(name: &str) -> PathBuf { |
| 7 | PathBuf::from(env!("CARGO_MANIFEST_DIR")) |
| 8 | .join("tests/fixtures/equipment") |
| 9 | .join(name) |
| 10 | } |
| 11 | fn fixture_body(female: bool) -> preview::PreviewCharacter { |
| 12 | preview::load_gltf_file(&PathBuf::from(env!("CARGO_MANIFEST_DIR")).join(if female { |
| 13 | "tests/fixtures/bodies/test-body-female.glb" |
| 14 | } else { |
| 15 | "tests/fixtures/bodies/test-body-male.glb" |
| 16 | })) |
| 17 | .unwrap() |
| 18 | } |
| 19 | fn preset() -> Preset { |
| 20 | let mut p = Preset::new("sword".into()); |
| 21 | p.provenance = "CC0-1.0 generated test fixture".into(); |
| 22 | equipment::import_obj(&mut p, &fixture("sword.obj")).unwrap(); |
| 23 | equipment::import_shiny(&mut p, 0, &fixture("shiny.png")).unwrap(); |
| 24 | for sex in 0..2 { |
| 25 | let body = fixture_body(sex == 1); |
| 26 | let joint = body |
| 27 | .joint_names |
| 28 | .iter() |
| 29 | .position(|n| n == "RightHand") |
| 30 | .unwrap(); |
| 31 | p.bind(sex, &body, 0, joint).unwrap(); |
| 32 | } |
| 33 | p.attachments[0].translation = [0.02, -0.02, -0.03]; |
| 34 | p.attachments[0].rotation_deg = [5., 0., -15.]; |
| 35 | p |
| 36 | } |
| 37 | fn scratch() -> PathBuf { |
| 38 | std::env::temp_dir().join(format!( |
| 39 | "paperdoll-equipment-{}", |
| 40 | std::time::SystemTime::now() |
| 41 | .duration_since(std::time::UNIX_EPOCH) |
| 42 | .unwrap() |
| 43 | .as_nanos() |
| 44 | )) |
| 45 | } |
| 46 | |
| 47 | #[test] |
| 48 | fn binary_roundtrip_embeds_model_material_textures_and_both_rigs() { |
| 49 | let p = preset(); |
| 50 | let bytes = p.encode().unwrap(); |
| 51 | assert_eq!(&bytes[..8], MAGIC); |
| 52 | let restored = Preset::decode(&bytes).unwrap(); |
| 53 | assert_eq!(restored, p); |
| 54 | assert_eq!(restored.assets.len(), 4); |
| 55 | assert_eq!( |
| 56 | restored |
| 57 | .texture(restored.attachments[0].meshes[0].albedo.unwrap()) |
| 58 | .unwrap() |
| 59 | .width, |
| 60 | 2 |
| 61 | ); |
| 62 | assert_eq!(restored.attachments[0].meshes[0].indices.len(), 6); |
| 63 | assert!(restored |
| 64 | .assets |
| 65 | .iter() |
| 66 | .any(|a| a.bytes == fs::read(fixture("sword.obj")).unwrap())); |
| 67 | assert!(restored.rigs.iter().all(Option::is_some)); |
| 68 | let snapshot = fixture("sword.ppe"); |
| 69 | if std::env::var_os("PAPERDOLL_WRITE_PRESET").is_some() { |
| 70 | fs::write(&snapshot, &bytes).unwrap(); |
| 71 | } |
| 72 | assert_eq!( |
| 73 | fs::read(snapshot).unwrap(), |
| 74 | bytes, |
| 75 | "binary preset fixture changed" |
| 76 | ); |
| 77 | } |
| 78 | |
| 79 | #[test] |
| 80 | fn attachment_uses_animated_joint_world_not_inverse_bind_twice() { |
| 81 | let p = preset(); |
| 82 | let body = fixture_body(false); |
| 83 | let joint = body |
| 84 | .joint_names |
| 85 | .iter() |
| 86 | .position(|n| n == "RightHand") |
| 87 | .unwrap(); |
| 88 | let mut controls = PreviewControls { |
| 89 | time: 0.0, |
| 90 | clip_name: "walk".into(), |
| 91 | ..Default::default() |
| 92 | }; |
| 93 | let first = equipment::layers(&p, 0, &body, &controls).unwrap(); |
| 94 | let world = preview::animated_joint_world(&body, "walk", 0., joint).unwrap(); |
| 95 | let expected = preview::mul( |
| 96 | world, |
| 97 | equipment::local_matrix(p.attachments[0].translation, p.attachments[0].rotation_deg), |
| 98 | ); |
| 99 | assert_eq!(first[0].model, expected); |
| 100 | assert_ne!( |
| 101 | world, |
| 102 | preview::sample_skin_matrices(&body, "walk", 0.)[joint] |
| 103 | ); |
| 104 | controls.time = 0.25; |
| 105 | let second = equipment::layers(&p, 0, &body, &controls).unwrap(); |
| 106 | assert_ne!(first[0].model, second[0].model); |
| 107 | let female = equipment::layers(&p, 1, &fixture_body(true), &controls).unwrap(); |
| 108 | assert!(!female.is_empty()); |
| 109 | } |
| 110 | |
| 111 | #[test] |
| 112 | fn local_euler_order_and_translation_are_not_accumulated() { |
| 113 | let m = equipment::local_matrix([1., 2., 3.], [0., 0., 90.]); |
| 114 | let point = [m[0] + m[12], m[1] + m[13], m[2] + m[14]]; |
| 115 | for (a, b) in point.into_iter().zip([1., 3., 3.]) { |
| 116 | assert!((a - b).abs() < 1e-5); |
| 117 | } |
| 118 | assert_eq!(m, equipment::local_matrix([1., 2., 3.], [0., 0., 90.])); |
| 119 | } |
| 120 | |
| 121 | #[test] |
| 122 | fn incompatible_rig_and_missing_joint_require_explicit_remapping() { |
| 123 | let mut p = preset(); |
| 124 | let mut changed = fixture_body(false); |
| 125 | changed.nodes[0].translation[0] += 0.01; |
| 126 | assert!( |
| 127 | equipment::layers(&p, 0, &changed, &PreviewControls::default()) |
| 128 | .unwrap_err() |
| 129 | .contains("rig") |
| 130 | ); |
| 131 | p.attachments[0].bones[0] = Some("missing".into()); |
| 132 | assert!(equipment::layers(&p, 0, &fixture_body(false), &PreviewControls::default()).is_err()); |
| 133 | p.applies[0] = false; |
| 134 | assert!( |
| 135 | equipment::layers(&p, 0, &changed, &PreviewControls::default()) |
| 136 | .unwrap() |
| 137 | .is_empty() |
| 138 | ); |
| 139 | assert_ne!( |
| 140 | RigSignature::of(&fixture_body(false)), |
| 141 | RigSignature::of(&fixture_body(true)) |
| 142 | ); |
| 143 | } |
| 144 | |
| 145 | #[test] |
| 146 | fn corrupt_truncated_unsupported_and_excessive_containers_are_rejected() { |
| 147 | let p = preset(); |
| 148 | let valid = p.encode().unwrap(); |
| 149 | for n in [0, 7, 19, valid.len() - 1] { |
| 150 | assert!(Preset::decode(&valid[..n]).is_err()); |
| 151 | } |
| 152 | let mut damaged = valid.clone(); |
| 153 | *damaged.last_mut().unwrap() ^= 1; |
| 154 | assert!(Preset::decode(&damaged).is_err()); |
| 155 | let mut damaged = valid.clone(); |
| 156 | damaged[8..12].copy_from_slice(&2u32.to_le_bytes()); |
| 157 | assert!(Preset::decode(&damaged).is_err()); |
| 158 | let mut damaged = valid.clone(); |
| 159 | damaged[12..16].copy_from_slice(&u32::MAX.to_le_bytes()); |
| 160 | assert!(Preset::decode(&damaged).is_err()); |
| 161 | let mut damaged = valid.clone(); |
| 162 | damaged.push(0); |
| 163 | let crc = equipment::checksum(&damaged[20..]); |
| 164 | damaged[16..20].copy_from_slice(&crc.to_le_bytes()); |
| 165 | assert!(Preset::decode(&damaged).is_err()); |
| 166 | assert_eq!(equipment::checksum(b"123456789"), 0xcbf43926); |
| 167 | } |
| 168 | |
| 169 | // Build a malicious but correctly checksummed container without encoder validation. |
| 170 | fn untrusted(p: &Preset) -> Vec<u8> { |
| 171 | let metadata = serde_json::to_vec(p).unwrap(); |
| 172 | let n = metadata.len(); |
| 173 | let mut payload = metadata; |
| 174 | for a in &p.assets { |
| 175 | payload.extend_from_slice(&(a.bytes.len() as u32).to_le_bytes()); |
| 176 | payload.extend(&a.bytes) |
| 177 | } |
| 178 | let mut out = MAGIC.to_vec(); |
| 179 | out.extend(1u32.to_le_bytes()); |
| 180 | out.extend((n as u32).to_le_bytes()); |
| 181 | out.extend(equipment::checksum(&payload).to_le_bytes()); |
| 182 | out.extend(payload); |
| 183 | out |
| 184 | } |
| 185 | |
| 186 | #[test] |
| 187 | fn traversal_invalid_names_nonfinite_and_invalid_geometry_are_rejected() { |
| 188 | for name in ["body", "Hello", "with space", "../escape", ""] { |
| 189 | let mut p = preset(); |
| 190 | p.name = name.into(); |
| 191 | assert!(p.encode().is_err()); |
| 192 | assert!(Preset::decode(&untrusted(&p)).is_err()); |
| 193 | } |
| 194 | let mut p = preset(); |
| 195 | p.assets[0].path = "../escape".into(); |
| 196 | assert!(Preset::decode(&untrusted(&p)).is_err()); |
| 197 | let mut p = preset(); |
| 198 | p.assets[0].path = "/absolute".into(); |
| 199 | assert!(p.encode().is_err()); |
| 200 | let mut p = preset(); |
| 201 | p.attachments[0].translation[0] = f32::NAN; |
| 202 | assert!(p.encode().is_err()); |
| 203 | let mut p = preset(); |
| 204 | p.attachments[0].meshes[0].indices[0] = u32::MAX; |
| 205 | assert!(Preset::decode(&untrusted(&p)).is_err()); |
| 206 | } |
| 207 | |
| 208 | #[test] |
| 209 | fn dependency_escape_and_failed_import_leave_existing_preset_unchanged() { |
| 210 | let root = scratch(); |
| 211 | fs::create_dir_all(&root).unwrap(); |
| 212 | let path = root.join("bad.obj"); |
| 213 | fs::write(&path, "mtllib ../outside.mtl\nv 0 0 0\n").unwrap(); |
| 214 | let mut p = preset(); |
| 215 | let saved = p.clone(); |
| 216 | assert!(equipment::import_obj(&mut p, &path).is_err()); |
| 217 | assert_eq!(saved, p); |
| 218 | #[cfg(unix)] |
| 219 | { |
| 220 | std::os::unix::fs::symlink(fixture("sword.mtl"), root.join("outside.mtl")).unwrap(); |
| 221 | fs::write(&path, "mtllib outside.mtl\nv 0 0 0\n").unwrap(); |
| 222 | assert!(equipment::import_obj(&mut p, &path).is_err()); |
| 223 | } |
| 224 | fs::remove_dir_all(root).unwrap(); |
| 225 | } |
| 226 | |
| 227 | #[test] |
| 228 | fn atomic_snapshot_never_overwrites_previous_valid_data() { |
| 229 | let root = scratch(); |
| 230 | fs::create_dir_all(&root).unwrap(); |
| 231 | let path = root.join("sword.ppe"); |
| 232 | let bytes = preset().encode().unwrap(); |
| 233 | equipment::write_snapshot(&path, &bytes).unwrap(); |
| 234 | equipment::write_snapshot(&path, &bytes).unwrap(); |
| 235 | assert!(equipment::write_snapshot(&path, b"different").is_err()); |
| 236 | assert_eq!(fs::read(&path).unwrap(), bytes); |
| 237 | assert!(fs::read_dir(&root).unwrap().all(|entry| !entry |
| 238 | .unwrap() |
| 239 | .file_name() |
| 240 | .to_string_lossy() |
| 241 | .contains("part-"))); |
| 242 | fs::remove_dir_all(root).unwrap(); |
| 243 | } |
| 244 | |
| 245 | #[test] |
| 246 | fn binary_project_reload_keeps_payload_after_source_disappears() { |
| 247 | let root = scratch(); |
| 248 | let mut session = paperdoll_renderer::session::Session::new(); |
| 249 | session.install_new_project(&root).unwrap(); |
| 250 | let index = session.add_equipment(); |
| 251 | session.equipment[index].slug = "sword".into(); |
| 252 | session.equipment[index].preset = Some(preset()); |
| 253 | session.save().unwrap(); |
| 254 | let manifest = root.join("character.ppd"); |
| 255 | let reference = session.opened.as_ref().unwrap().document.equipment_presets[0].clone(); |
| 256 | assert!(reference.ends_with(".ppe")); |
| 257 | let mut again = paperdoll_renderer::session::Session::new(); |
| 258 | again.install_loaded(paperdoll_renderer::project::open_project(&manifest).unwrap()); |
| 259 | let loaded = again.equipment[0].preset.as_ref().unwrap(); |
| 260 | assert_eq!(loaded.name, "sword"); |
| 261 | assert!( |
| 262 | !equipment::layers(loaded, 0, &fixture_body(false), &PreviewControls::default()) |
| 263 | .unwrap() |
| 264 | .is_empty() |
| 265 | ); |
| 266 | let previous = fs::read(&manifest).unwrap(); |
| 267 | again.equipment[0].preset.as_mut().unwrap().attachments[0].translation[0] = 0.2; |
| 268 | again.set_render(0, 128, 12); |
| 269 | assert!(again.save().is_err()); |
| 270 | assert_eq!(fs::read(&manifest).unwrap(), previous); |
| 271 | fs::remove_dir_all(root).unwrap(); |
| 272 | } |
| 273 | |
| 274 | #[test] |
| 275 | fn translated_rotated_parent_uses_the_complete_hierarchy_once() { |
| 276 | let mut body = fixture_body(false); |
| 277 | body.nodes = vec![ |
| 278 | preview::SceneNode { |
| 279 | name: "root".into(), |
| 280 | parent: None, |
| 281 | translation: [3., 0., 0.], |
| 282 | rotation: [ |
| 283 | 0., |
| 284 | 0., |
| 285 | std::f32::consts::FRAC_1_SQRT_2, |
| 286 | std::f32::consts::FRAC_1_SQRT_2, |
| 287 | ], |
| 288 | scale: [1.; 3], |
| 289 | }, |
| 290 | preview::SceneNode { |
| 291 | name: "shoulder".into(), |
| 292 | parent: Some(0), |
| 293 | translation: [0., 2., 0.], |
| 294 | rotation: [0., 0., 0., 1.], |
| 295 | scale: [1.; 3], |
| 296 | }, |
| 297 | preview::SceneNode { |
| 298 | name: "hand".into(), |
| 299 | parent: Some(1), |
| 300 | translation: [0., 0., 1.], |
| 301 | rotation: [0., 0., 0., 1.], |
| 302 | scale: [1.; 3], |
| 303 | }, |
| 304 | ]; |
| 305 | body.joint_nodes = vec![2]; |
| 306 | body.joint_names = vec!["hand".into()]; |
| 307 | body.clips.clear(); |
| 308 | let mut preset = preset(); |
| 309 | preset.rigs = [None, None]; |
| 310 | preset.applies = [true, false]; |
| 311 | preset.attachments[0].bones = [None, None]; |
| 312 | preset.attachments[0].translation = [0.2, 0.3, 0.4]; |
| 313 | preset.attachments[0].rotation_deg = [0.; 3]; |
| 314 | preset.bind(0, &body, 0, 0).unwrap(); |
| 315 | let layer = equipment::layers(&preset, 0, &body, &PreviewControls::default()).unwrap(); |
| 316 | for (value, expected) in [layer[0].model[12], layer[0].model[13], layer[0].model[14]] |
| 317 | .into_iter() |
| 318 | .zip([0.7, 0.2, 1.4]) |
| 319 | { |
| 320 | assert!((value - expected).abs() < 1e-5, "{value} != {expected}"); |
| 321 | } |
| 322 | } |
| 323 | |
| 324 | #[test] |
| 325 | fn unsupported_texture_dimensions_and_asset_counts_are_bounded() { |
| 326 | let mut p = preset(); |
| 327 | let mut data = Vec::new(); |
| 328 | { |
| 329 | let mut encoder = png::Encoder::new(&mut data, 2049, 1); |
| 330 | encoder.set_color(png::ColorType::Grayscale); |
| 331 | encoder.set_depth(png::BitDepth::Eight); |
| 332 | let mut writer = encoder.write_header().unwrap(); |
| 333 | writer.write_image_data(&vec![0; 2049]).unwrap(); |
| 334 | } |
| 335 | let i = p.attachments[0].shiny.unwrap(); |
| 336 | p.assets[i].bytes = data; |
| 337 | assert!(p.encode().is_err()); |
| 338 | assert!(Preset::decode(&untrusted(&p)).is_err()); |
| 339 | let mut p = preset(); |
| 340 | while p.assets.len() < 33 { |
| 341 | let n = p.assets.len(); |
| 342 | p.assets.push(equipment::EmbeddedAsset { |
| 343 | path: format!("asset-{n}"), |
| 344 | bytes: Vec::new(), |
| 345 | }); |
| 346 | } |
| 347 | assert!(Preset::decode(&untrusted(&p)).is_err()); |
| 348 | } |