| | | 1 | | //======================================================================= |
| | | 2 | | // GravitasCollision2DService.cs |
| | | 3 | | //======================================================================= |
| | | 4 | | // MIT License, Copyright (c) 2026–present David Oravsky (mrdav30) |
| | | 5 | | // See LICENSE file in the project root for full license information. |
| | | 6 | | //======================================================================= |
| | | 7 | | |
| | | 8 | | using FixedMathSharp; |
| | | 9 | | using Gravitas.Colliders; |
| | | 10 | | using Gravitas.Support; |
| | | 11 | | using GridForge.Grids; |
| | | 12 | | using GridForge.Spatial; |
| | | 13 | | using GridForge.Utility; |
| | | 14 | | using SwiftCollections; |
| | | 15 | | using System; |
| | | 16 | | using System.Collections.Generic; |
| | | 17 | | using System.Runtime.CompilerServices; |
| | | 18 | | |
| | | 19 | | namespace Gravitas; |
| | | 20 | | |
| | | 21 | | /// <summary> |
| | | 22 | | /// Owns GridForge-backed pure 2D collision partitioning state for one context. |
| | | 23 | | /// </summary> |
| | | 24 | | public sealed class GravitasCollision2DService |
| | | 25 | | { |
| | | 26 | | private const int DefaultPartitionPoolCapacity = 1024; |
| | 1 | 27 | | private static readonly PhysicsPartition2DOrderComparer PartitionOrderComparer = new(); |
| | 1 | 28 | | private static readonly Collider2DIdComparer ColliderIdComparer = new(); |
| | | 29 | | |
| | | 30 | | private readonly GravitasWorldContext _context; |
| | 5083 | 31 | | private readonly SwiftBucket<PhysicsPartition2D> _activePartitions = new(DefaultPartitionPoolCapacity); |
| | 5083 | 32 | | private readonly SwiftStack<PhysicsPartition2D> _inactivePartitionPool = new(DefaultPartitionPoolCapacity); |
| | 5083 | 33 | | private readonly SwiftList<Voxel> _coveredVoxels = new(); |
| | 5083 | 34 | | private readonly GridTraceScratch _traceScratch = new(); |
| | 5083 | 35 | | private readonly SwiftList<PhysicsPartition2D> _retainedPartitions = new(); |
| | 5083 | 36 | | private readonly SwiftList<PhysicsPartition2D> _distributionPartitions = new(); |
| | 5083 | 37 | | private readonly SwiftList<int> _distributionDynamicIds = new(); |
| | 5083 | 38 | | private readonly SwiftList<int> _distributionStaticIds = new(); |
| | 5083 | 39 | | private readonly SwiftList<PhysicsPartition2D> _queryPartitions = new(); |
| | 5083 | 40 | | private readonly SwiftList<int> _queryColliderIds = new(); |
| | | 41 | | private readonly Action<PhysicsPartition2D> _releaseRetainedPartition; |
| | 5083 | 42 | | private readonly SwiftSparseSet _deferredPartitionRefreshIds = new(); |
| | | 43 | | |
| | | 44 | | private int _retainedPartitionRetirementCursor; |
| | | 45 | | private bool _isDistributing; |
| | | 46 | | |
| | | 47 | | /// <summary>Creates the pure 2D collision partition service for a world context.</summary> |
| | 5083 | 48 | | public GravitasCollision2DService(GravitasWorldContext context) |
| | | 49 | | { |
| | 5083 | 50 | | SwiftThrowHelper.ThrowIfNull(context, nameof(context)); |
| | 5083 | 51 | | _context = context; |
| | 5083 | 52 | | _releaseRetainedPartition = ReleasePartition; |
| | 5083 | 53 | | } |
| | | 54 | | |
| | | 55 | | /// <summary>Gets the world context that owns this service.</summary> |
| | 59514 | 56 | | public GravitasWorldContext Context => _context; |
| | | 57 | | |
| | | 58 | | /// <summary>Gets the current partition-distribution pass version.</summary> |
| | | 59 | | public uint Version { get; private set; } = 1; |
| | | 60 | | |
| | | 61 | | /// <summary>Gets the number of partitions participating in collision work.</summary> |
| | 13 | 62 | | public int ActivePartitionCount => _activePartitions.Count; |
| | | 63 | | |
| | | 64 | | /// <summary>Gets the number of partitions available for reuse.</summary> |
| | 9 | 65 | | public int InactivePartitionCount => _inactivePartitionPool.Count; |
| | | 66 | | |
| | 18 | 67 | | internal int RetainedPartitionCount => _retainedPartitions.Count; |
| | | 68 | | |
| | | 69 | | /// <summary>Clears all context-local 2D partitioning state.</summary> |
| | | 70 | | public void Reset() |
| | | 71 | | { |
| | 31 | 72 | | DetachRetainedPartitions(); |
| | 31 | 73 | | _activePartitions.Clear(); |
| | 31 | 74 | | _coveredVoxels.FastClear(); |
| | 31 | 75 | | _traceScratch.Clear(); |
| | 31 | 76 | | _distributionPartitions.FastClear(); |
| | 31 | 77 | | _distributionDynamicIds.FastClear(); |
| | 31 | 78 | | _distributionStaticIds.FastClear(); |
| | 31 | 79 | | _queryPartitions.FastClear(); |
| | 31 | 80 | | _queryColliderIds.FastClear(); |
| | 31 | 81 | | _deferredPartitionRefreshIds.Clear(); |
| | 31 | 82 | | _inactivePartitionPool.Clear(); |
| | 31 | 83 | | Version = 1; |
| | 31 | 84 | | _retainedPartitionRetirementCursor = 0; |
| | 31 | 85 | | _isDistributing = false; |
| | 31 | 86 | | } |
| | | 87 | | |
| | | 88 | | internal bool RefreshColliderPartition(LSCollider2D collider) |
| | | 89 | | { |
| | 2173 | 90 | | SwiftThrowHelper.ThrowIfNull(collider, nameof(collider)); |
| | 2173 | 91 | | SwiftThrowHelper.ThrowIfArgument( |
| | 2173 | 92 | | !ReferenceEquals(collider.Context, _context), |
| | 2173 | 93 | | nameof(collider), |
| | 2173 | 94 | | "2D collider must belong to this collision service context."); |
| | | 95 | | |
| | 2173 | 96 | | if (!collider.IsActive) |
| | | 97 | | { |
| | 1 | 98 | | ClearPartitionedCollider(collider, force: true); |
| | 1 | 99 | | collider.MarkUnpartitioned(); |
| | 1 | 100 | | collider.ClearPartitionCoordinates(); |
| | | 101 | | |
| | 1 | 102 | | return false; |
| | | 103 | | } |
| | | 104 | | |
| | 2172 | 105 | | GetPlanarCoverageBounds(collider, out Vector2d coverageMin, out Vector2d coverageMax); |
| | 2172 | 106 | | PhysicsPartitionMobilityKind kind = GetMobilityKind(collider); |
| | 2172 | 107 | | if (collider.MatchesPartitionGridBounds(coverageMin, coverageMax, (int)kind)) |
| | 291 | 108 | | return false; |
| | | 109 | | |
| | 1881 | 110 | | if (collider.IsPartitioned) |
| | 1866 | 111 | | ClearPartitionedCollider(collider, force: true); |
| | | 112 | | |
| | 1881 | 113 | | return PartitionCollider(collider, coverageMin, coverageMax, kind); |
| | | 114 | | } |
| | | 115 | | |
| | | 116 | | internal bool RefreshColliderPartitionAfterShapeChange(LSCollider2D collider) |
| | | 117 | | { |
| | 1938 | 118 | | SwiftThrowHelper.ThrowIfNull(collider, nameof(collider)); |
| | 1938 | 119 | | if (!_isDistributing) |
| | | 120 | | { |
| | 1935 | 121 | | _deferredPartitionRefreshIds.Remove(collider.Id); |
| | | 122 | | |
| | 1935 | 123 | | return RefreshColliderPartition(collider); |
| | | 124 | | } |
| | | 125 | | |
| | 3 | 126 | | _deferredPartitionRefreshIds.Add(collider.Id); |
| | | 127 | | |
| | 3 | 128 | | return false; |
| | | 129 | | } |
| | | 130 | | |
| | | 131 | | internal bool PartitionCollider(LSCollider2D collider) |
| | | 132 | | { |
| | 5164 | 133 | | GetPlanarCoverageBounds(collider, out Vector2d coverageMin, out Vector2d coverageMax); |
| | 5164 | 134 | | return PartitionCollider(collider, coverageMin, coverageMax); |
| | | 135 | | } |
| | | 136 | | |
| | | 137 | | private bool PartitionCollider(LSCollider2D collider, Vector2d coverageMin, Vector2d coverageMax) |
| | | 138 | | { |
| | 5164 | 139 | | return PartitionCollider(collider, coverageMin, coverageMax, GetMobilityKind(collider)); |
| | | 140 | | } |
| | | 141 | | |
| | | 142 | | private bool PartitionCollider( |
| | | 143 | | LSCollider2D collider, |
| | | 144 | | Vector2d coverageMin, |
| | | 145 | | Vector2d coverageMax, |
| | | 146 | | PhysicsPartitionMobilityKind kind) |
| | | 147 | | { |
| | 7045 | 148 | | SwiftThrowHelper.ThrowIfNull(collider, nameof(collider)); |
| | 7045 | 149 | | SwiftThrowHelper.ThrowIfArgument( |
| | 7045 | 150 | | !ReferenceEquals(collider.Context, _context), |
| | 7045 | 151 | | nameof(collider), |
| | 7045 | 152 | | "2D collider must belong to this collision service context."); |
| | | 153 | | |
| | 7045 | 154 | | if (collider.IsPartitioned || !collider.IsActive) |
| | 2 | 155 | | return false; |
| | | 156 | | |
| | 7043 | 157 | | SwiftList<WorldVoxelIndex> partitionedCoordinates = collider.GetOrCreatePartitionCoordinates(); |
| | 7043 | 158 | | partitionedCoordinates.FastClear(); |
| | | 159 | | |
| | 7043 | 160 | | PartitionCoveredVoxels(collider, coverageMin, coverageMax, partitionedCoordinates, kind); |
| | 7043 | 161 | | if (partitionedCoordinates.Count == 0) |
| | 298 | 162 | | return false; |
| | | 163 | | |
| | 6745 | 164 | | collider.MarkPartitioned(coverageMin, coverageMax, (int)kind); |
| | 6745 | 165 | | return true; |
| | | 166 | | } |
| | | 167 | | |
| | | 168 | | internal bool ClearPartitionedCollider(LSCollider2D collider, bool force = false) |
| | | 169 | | { |
| | 2151 | 170 | | SwiftThrowHelper.ThrowIfNull(collider, nameof(collider)); |
| | 2151 | 171 | | SwiftThrowHelper.ThrowIfArgument( |
| | 2151 | 172 | | !ReferenceEquals(collider.Context, _context), |
| | 2151 | 173 | | nameof(collider), |
| | 2151 | 174 | | "2D collider must belong to this collision service context."); |
| | | 175 | | |
| | 2151 | 176 | | if (!collider.IsPartitioned) |
| | 2 | 177 | | return false; |
| | | 178 | | |
| | 2149 | 179 | | GetPlanarCoverageBounds(collider, out Vector2d coverageMin, out Vector2d coverageMax); |
| | 2149 | 180 | | PhysicsPartitionMobilityKind currentKind = GetMobilityKind(collider); |
| | 2149 | 181 | | if (!force && collider.MatchesPartitionGridBounds(coverageMin, coverageMax, (int)currentKind)) |
| | 1 | 182 | | return false; |
| | | 183 | | |
| | 2148 | 184 | | SwiftList<WorldVoxelIndex> coordinates = collider.PartitionCoordinates!; |
| | 2148 | 185 | | GridWorld world = _context.World; |
| | 2148 | 186 | | PhysicsPartitionMobilityKind partitionKind = GetStoredMobilityKind(collider.PartitionKind); |
| | 39006 | 187 | | for (int i = 0; i < coordinates.Count; i++) |
| | | 188 | | { |
| | 17355 | 189 | | WorldVoxelIndex coordinate = coordinates[i]; |
| | 17355 | 190 | | if (!world.ActiveGrids.IsAllocated(coordinate.GridIndex) |
| | 17355 | 191 | | || !world.TryGetVoxel(coordinate, out Voxel? voxel) |
| | 17355 | 192 | | || !voxel!.TryGetPartition(out PhysicsPartition2D? partition)) |
| | | 193 | | { |
| | | 194 | | continue; |
| | | 195 | | } |
| | | 196 | | |
| | 17327 | 197 | | RemoveObject(partition!, collider.Id, partitionKind); |
| | | 198 | | } |
| | | 199 | | |
| | 2148 | 200 | | collider.MarkUnpartitioned(); |
| | 2148 | 201 | | collider.ClearPartitionCoordinates(); |
| | 2148 | 202 | | return true; |
| | | 203 | | } |
| | | 204 | | |
| | | 205 | | internal void RefreshPartitionAwakeState(LSCollider2D collider) |
| | | 206 | | { |
| | 365 | 207 | | SwiftThrowHelper.ThrowIfNull(collider, nameof(collider)); |
| | 365 | 208 | | SwiftThrowHelper.ThrowIfArgument( |
| | 365 | 209 | | !ReferenceEquals(collider.Context, _context), |
| | 365 | 210 | | nameof(collider), |
| | 365 | 211 | | "2D collider must belong to this collision service context."); |
| | | 212 | | |
| | 365 | 213 | | if (!collider.IsPartitioned) |
| | 2 | 214 | | return; |
| | | 215 | | |
| | 363 | 216 | | SwiftList<WorldVoxelIndex> coordinates = collider.PartitionCoordinates!; |
| | 363 | 217 | | SolidBody2D? body = collider.Body; |
| | 363 | 218 | | if (collider.IsStatic || body!.IsKinematic) |
| | 2 | 219 | | return; |
| | | 220 | | |
| | 361 | 221 | | bool awake = body.IsAwakeForCollision; |
| | 361 | 222 | | GridWorld world = _context.World; |
| | | 223 | | |
| | 5264 | 224 | | for (int i = 0; i < coordinates.Count; i++) |
| | | 225 | | { |
| | 2271 | 226 | | WorldVoxelIndex coordinate = coordinates[i]; |
| | 2271 | 227 | | if (!world.ActiveGrids.IsAllocated(coordinate.GridIndex) |
| | 2271 | 228 | | || !world.TryGetVoxel(coordinate, out Voxel? voxel) |
| | 2271 | 229 | | || !voxel!.TryGetPartition(out PhysicsPartition2D? partition)) |
| | | 230 | | { |
| | | 231 | | continue; |
| | | 232 | | } |
| | | 233 | | |
| | 2252 | 234 | | partition!.SetDynamicObjectAwake(collider.Id, awake); |
| | | 235 | | } |
| | 361 | 236 | | } |
| | | 237 | | |
| | | 238 | | internal void CheckAndDistributeCollisions() |
| | | 239 | | { |
| | 1003 | 240 | | RefreshDeferredColliderPartitions(); |
| | 1003 | 241 | | Version++; |
| | | 242 | | |
| | 1003 | 243 | | _distributionPartitions.FastClear(); |
| | 33080 | 244 | | foreach (PhysicsPartition2D partition in _activePartitions) |
| | 15537 | 245 | | _distributionPartitions.Add(partition); |
| | | 246 | | |
| | 1003 | 247 | | _distributionPartitions.SortInPlace(PartitionOrderComparer); |
| | | 248 | | |
| | 1003 | 249 | | _isDistributing = true; |
| | | 250 | | try |
| | | 251 | | { |
| | 33098 | 252 | | for (int i = 0; i < _distributionPartitions.Count; i++) |
| | | 253 | | { |
| | 15546 | 254 | | _distributionPartitions[i].Distribute( |
| | 15546 | 255 | | _distributionDynamicIds, |
| | 15546 | 256 | | _distributionStaticIds); |
| | | 257 | | } |
| | 1003 | 258 | | } |
| | | 259 | | finally |
| | | 260 | | { |
| | 1003 | 261 | | _isDistributing = false; |
| | 1003 | 262 | | } |
| | 1003 | 263 | | } |
| | | 264 | | |
| | | 265 | | internal void CollectBoundsCandidates( |
| | | 266 | | Vector2d min, |
| | | 267 | | Vector2d max, |
| | | 268 | | PhysicsLayerMask layerMask, |
| | | 269 | | uint queryVersion, |
| | | 270 | | bool raycastQuery, |
| | | 271 | | SwiftList<LSCollider2D> candidates, |
| | | 272 | | bool staticStyleOnly = false) |
| | | 273 | | { |
| | 8794 | 274 | | RefreshDeferredColliderPartitions(); |
| | 8794 | 275 | | candidates.FastClear(); |
| | | 276 | | |
| | 8794 | 277 | | CollectCoveredPartitions(min, max, _queryPartitions); |
| | 8794 | 278 | | _queryPartitions.SortInPlace(PartitionOrderComparer); |
| | | 279 | | |
| | 358236 | 280 | | for (int i = 0; i < _queryPartitions.Count; i++) |
| | | 281 | | { |
| | 170324 | 282 | | PhysicsPartition2D partition = _queryPartitions[i]; |
| | 170324 | 283 | | if (staticStyleOnly) |
| | 49902 | 284 | | partition.CopyStaticStyleColliderIds(_queryColliderIds); |
| | | 285 | | else |
| | 120422 | 286 | | partition.CopyAllColliderIds(_queryColliderIds); |
| | | 287 | | |
| | 1044060 | 288 | | for (int j = 0; j < _queryColliderIds.Count; j++) |
| | | 289 | | { |
| | 351706 | 290 | | int colliderId = _queryColliderIds[j]; |
| | 351706 | 291 | | if (!_context.Physics2D.TryGetColliderById(colliderId, out LSCollider2D? collider) |
| | 351706 | 292 | | || !collider!.IsActive |
| | 351706 | 293 | | || IsDuplicateQueryCandidate(collider, queryVersion, raycastQuery) |
| | 351706 | 294 | | || !layerMask.Includes(collider.Layer) |
| | 351706 | 295 | | || collider.MaxX < min.X |
| | 351706 | 296 | | || collider.MinX > max.X |
| | 351706 | 297 | | || collider.MaxY < min.Y |
| | 351706 | 298 | | || collider.MinY > max.Y) |
| | | 299 | | { |
| | | 300 | | continue; |
| | | 301 | | } |
| | | 302 | | |
| | 44194 | 303 | | candidates.Add(collider); |
| | | 304 | | } |
| | | 305 | | } |
| | | 306 | | |
| | 8794 | 307 | | candidates.SortInPlace(ColliderIdComparer); |
| | 8794 | 308 | | } |
| | | 309 | | |
| | | 310 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 311 | | private static bool IsDuplicateQueryCandidate(LSCollider2D collider, uint queryVersion, bool raycastQuery) |
| | | 312 | | { |
| | 351688 | 313 | | if (raycastQuery) |
| | | 314 | | { |
| | 153067 | 315 | | if (collider.RaycastVersion == queryVersion) |
| | 116204 | 316 | | return true; |
| | | 317 | | |
| | 36863 | 318 | | collider.RaycastVersion = queryVersion; |
| | 36863 | 319 | | return false; |
| | | 320 | | } |
| | | 321 | | |
| | 198621 | 322 | | if (collider.CircleQueryVersion == queryVersion) |
| | 173426 | 323 | | return true; |
| | | 324 | | |
| | 25195 | 325 | | collider.CircleQueryVersion = queryVersion; |
| | 25195 | 326 | | return false; |
| | | 327 | | } |
| | | 328 | | |
| | | 329 | | private void RefreshDeferredColliderPartitions() |
| | | 330 | | { |
| | 9797 | 331 | | if (_deferredPartitionRefreshIds.Count == 0) |
| | 9795 | 332 | | return; |
| | | 333 | | |
| | 10 | 334 | | for (int i = 0; i < _deferredPartitionRefreshIds.Count; i++) |
| | | 335 | | { |
| | 3 | 336 | | int colliderId = _deferredPartitionRefreshIds.DenseKeys[i]; |
| | 3 | 337 | | if (_context.Physics2D.TryGetColliderById(colliderId, out LSCollider2D? collider) && collider!.IsActive) |
| | 1 | 338 | | RefreshColliderPartition(collider); |
| | | 339 | | } |
| | | 340 | | |
| | 2 | 341 | | _deferredPartitionRefreshIds.Clear(); |
| | 2 | 342 | | } |
| | | 343 | | |
| | | 344 | | private void CollectCoveredPartitions( |
| | | 345 | | Vector2d min, |
| | | 346 | | Vector2d max, |
| | | 347 | | SwiftList<PhysicsPartition2D> partitions) |
| | | 348 | | { |
| | 8794 | 349 | | partitions.FastClear(); |
| | 8794 | 350 | | ScanCoveredQueryPartitions(min, max, min, max, partitions); |
| | 8794 | 351 | | } |
| | | 352 | | |
| | | 353 | | private void PartitionCoveredVoxels( |
| | | 354 | | LSCollider2D collider, |
| | | 355 | | Vector2d coverageMin, |
| | | 356 | | Vector2d coverageMax, |
| | | 357 | | SwiftList<WorldVoxelIndex> partitionedCoordinates, |
| | | 358 | | PhysicsPartitionMobilityKind kind) |
| | | 359 | | { |
| | 7043 | 360 | | ScanCoveredColliderVoxels(collider, coverageMin, coverageMax, partitionedCoordinates, kind); |
| | 7043 | 361 | | } |
| | | 362 | | |
| | | 363 | | private void ScanCoveredQueryPartitions( |
| | | 364 | | Vector2d coverageMin, |
| | | 365 | | Vector2d coverageMax, |
| | | 366 | | Vector2d queryMin, |
| | | 367 | | Vector2d queryMax, |
| | | 368 | | SwiftList<PhysicsPartition2D> partitions) |
| | | 369 | | { |
| | 8794 | 370 | | GridWorld world = _context.World; |
| | 8794 | 371 | | GridTracer.GetCoveredVoxelsInto( |
| | 8794 | 372 | | world, |
| | 8794 | 373 | | coverageMin, |
| | 8794 | 374 | | coverageMax, |
| | 8794 | 375 | | _coveredVoxels, |
| | 8794 | 376 | | _traceScratch, |
| | 8794 | 377 | | layerY: Fixed64.Zero); |
| | | 378 | | |
| | 8794 | 379 | | VisitPlanarVoxelsForQuery(world, queryMin, queryMax, partitions); |
| | 8794 | 380 | | } |
| | | 381 | | |
| | | 382 | | private void ScanCoveredColliderVoxels( |
| | | 383 | | LSCollider2D collider, |
| | | 384 | | Vector2d coverageMin, |
| | | 385 | | Vector2d coverageMax, |
| | | 386 | | SwiftList<WorldVoxelIndex> partitionedCoordinates, |
| | | 387 | | PhysicsPartitionMobilityKind kind) |
| | | 388 | | { |
| | 7043 | 389 | | GridWorld world = _context.World; |
| | 7043 | 390 | | GridTracer.GetCoveredVoxelsInto( |
| | 7043 | 391 | | world, |
| | 7043 | 392 | | coverageMin, |
| | 7043 | 393 | | coverageMax, |
| | 7043 | 394 | | _coveredVoxels, |
| | 7043 | 395 | | _traceScratch, |
| | 7043 | 396 | | layerY: Fixed64.Zero); |
| | | 397 | | |
| | 7043 | 398 | | VisitPlanarVoxelsForCollider(world, collider, partitionedCoordinates, kind); |
| | 7043 | 399 | | } |
| | | 400 | | |
| | | 401 | | private void VisitPlanarVoxelsForQuery( |
| | | 402 | | GridWorld world, |
| | | 403 | | Vector2d queryMin, |
| | | 404 | | Vector2d queryMax, |
| | | 405 | | SwiftList<PhysicsPartition2D> partitions) |
| | | 406 | | { |
| | 8794 | 407 | | var traversal = new GridTraversalState(world, GridTraversalPaddingMode.PlanarMaxCellEdge); |
| | 909754 | 408 | | for (int i = 0; i < _coveredVoxels.Count; i++) |
| | | 409 | | { |
| | 446083 | 410 | | Voxel voxel = _coveredVoxels[i]; |
| | | 411 | | |
| | 446083 | 412 | | Fixed64 cellEdge = traversal.GetCellEdge(voxel); |
| | 446083 | 413 | | if (!GridTraversal.IsPlanarPositionInPaddedBounds(queryMin, queryMax, cellEdge, voxel.WorldPosition) |
| | 446083 | 414 | | || !voxel.TryGetPartition(out PhysicsPartition2D? partition) |
| | 446083 | 415 | | || partition!.IsEmpty) |
| | | 416 | | { |
| | | 417 | | continue; |
| | | 418 | | } |
| | | 419 | | |
| | 170324 | 420 | | partitions.Add(partition); |
| | | 421 | | } |
| | 8794 | 422 | | } |
| | | 423 | | |
| | | 424 | | private void VisitPlanarVoxelsForCollider( |
| | | 425 | | GridWorld world, |
| | | 426 | | LSCollider2D collider, |
| | | 427 | | SwiftList<WorldVoxelIndex> partitionedCoordinates, |
| | | 428 | | PhysicsPartitionMobilityKind kind) |
| | | 429 | | { |
| | 7043 | 430 | | var traversal = new GridTraversalState(world, GridTraversalPaddingMode.PlanarMaxCellEdge); |
| | 178872 | 431 | | for (int i = 0; i < _coveredVoxels.Count; i++) |
| | 82393 | 432 | | TryPartitionVoxel(collider, partitionedCoordinates, _coveredVoxels[i], ref traversal, kind); |
| | 7043 | 433 | | } |
| | | 434 | | |
| | | 435 | | private void TryPartitionVoxel( |
| | | 436 | | LSCollider2D collider, |
| | | 437 | | SwiftList<WorldVoxelIndex> partitionedCoordinates, |
| | | 438 | | Voxel voxel, |
| | | 439 | | ref GridTraversalState traversal, |
| | | 440 | | PhysicsPartitionMobilityKind kind) |
| | | 441 | | { |
| | 82393 | 442 | | Fixed64 cellEdge = traversal.GetCellEdge(voxel); |
| | 82393 | 443 | | if (!collider.IsPositionInPlanarBounds(cellEdge, voxel.WorldPosition)) |
| | 15776 | 444 | | return; |
| | | 445 | | |
| | 66617 | 446 | | if (!voxel.TryGetPartition(out PhysicsPartition2D? partition)) |
| | | 447 | | { |
| | 50458 | 448 | | partition = RentPartition(); |
| | 50458 | 449 | | SwiftThrowHelper.ThrowIfTrue( |
| | 50458 | 450 | | !voxel.TryAddPartition(partition), |
| | 50458 | 451 | | nameof(GravitasCollision2DService), |
| | 50458 | 452 | | "Unable to attach 2D physics partition to voxel."); |
| | | 453 | | |
| | 50458 | 454 | | TrackRetainedPartition(partition); |
| | | 455 | | } |
| | | 456 | | |
| | 66617 | 457 | | partitionedCoordinates.Add(voxel.WorldIndex); |
| | 66617 | 458 | | AddObject(partition!, collider.Id, kind); |
| | 66617 | 459 | | } |
| | | 460 | | |
| | | 461 | | private void GetPlanarCoverageBounds(LSCollider2D collider, out Vector2d coverageMin, out Vector2d coverageMax) |
| | | 462 | | { |
| | 9485 | 463 | | coverageMin = new Vector2d(collider.MinX, collider.MinY); |
| | 9485 | 464 | | coverageMax = new Vector2d(collider.MaxX, collider.MaxY); |
| | 9485 | 465 | | } |
| | | 466 | | |
| | | 467 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 468 | | private static PhysicsPartitionMobilityKind GetMobilityKind(LSCollider2D collider) |
| | | 469 | | { |
| | 9485 | 470 | | if (collider.IsStatic) |
| | 2126 | 471 | | return PhysicsPartitionMobilityKind.Static; |
| | | 472 | | |
| | 7359 | 473 | | SolidBody2D? body = collider.Body; |
| | 7359 | 474 | | return body!.IsKinematic ? PhysicsPartitionMobilityKind.Kinematic : PhysicsPartitionMobilityKind.Dynamic; |
| | | 475 | | } |
| | | 476 | | |
| | | 477 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 478 | | private static PhysicsPartitionMobilityKind GetStoredMobilityKind(int partitionKind) |
| | | 479 | | { |
| | 2148 | 480 | | return partitionKind == (int)PhysicsPartitionMobilityKind.Kinematic |
| | 2148 | 481 | | ? PhysicsPartitionMobilityKind.Kinematic |
| | 2148 | 482 | | : partitionKind == (int)PhysicsPartitionMobilityKind.Static |
| | 2148 | 483 | | ? PhysicsPartitionMobilityKind.Static |
| | 2148 | 484 | | : PhysicsPartitionMobilityKind.Dynamic; |
| | | 485 | | } |
| | | 486 | | |
| | | 487 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 488 | | private static void AddObject(PhysicsPartition2D partition, int id, PhysicsPartitionMobilityKind kind) |
| | | 489 | | { |
| | 66617 | 490 | | if (kind == PhysicsPartitionMobilityKind.Static) |
| | | 491 | | { |
| | 22182 | 492 | | partition.AddStaticObject(id); |
| | 22182 | 493 | | return; |
| | | 494 | | } |
| | | 495 | | |
| | 44435 | 496 | | if (kind == PhysicsPartitionMobilityKind.Kinematic) |
| | | 497 | | { |
| | 3805 | 498 | | partition.AddKinematicObject(id); |
| | 3805 | 499 | | return; |
| | | 500 | | } |
| | | 501 | | |
| | 40630 | 502 | | partition.AddDynamicObject(id); |
| | 40630 | 503 | | } |
| | | 504 | | |
| | | 505 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | | 506 | | private static void RemoveObject(PhysicsPartition2D partition, int id, PhysicsPartitionMobilityKind kind) |
| | | 507 | | { |
| | 17327 | 508 | | if (kind == PhysicsPartitionMobilityKind.Static) |
| | | 509 | | { |
| | 1792 | 510 | | partition.RemoveStaticObject(id); |
| | 1792 | 511 | | return; |
| | | 512 | | } |
| | | 513 | | |
| | 15535 | 514 | | if (kind == PhysicsPartitionMobilityKind.Kinematic) |
| | | 515 | | { |
| | 2088 | 516 | | partition.RemoveKinematicObject(id); |
| | 2088 | 517 | | return; |
| | | 518 | | } |
| | | 519 | | |
| | 13447 | 520 | | partition.RemoveDynamicObject(id); |
| | 13447 | 521 | | } |
| | | 522 | | |
| | 31 | 523 | | private void DetachRetainedPartitions() => RetainedPartitionLifecycle.DetachAll( |
| | 31 | 524 | | _retainedPartitions, |
| | 31 | 525 | | _context.World, |
| | 31 | 526 | | this, |
| | 31 | 527 | | _releaseRetainedPartition, |
| | 31 | 528 | | nameof(PhysicsPartition2D), |
| | 31 | 529 | | "Unable to detach retained 2D physics partition from its voxel during reset."); |
| | | 530 | | |
| | 50458 | 531 | | private void TrackRetainedPartition(PhysicsPartition2D partition) => RetainedPartitionLifecycle.Track( |
| | 50458 | 532 | | _retainedPartitions, |
| | 50458 | 533 | | this, |
| | 50458 | 534 | | partition, |
| | 50458 | 535 | | nameof(PhysicsPartition2D)); |
| | | 536 | | |
| | 50463 | 537 | | private void UntrackRetainedPartition(PhysicsPartition2D partition) => RetainedPartitionLifecycle.Untrack( |
| | 50463 | 538 | | _retainedPartitions, |
| | 50463 | 539 | | this, |
| | 50463 | 540 | | partition, |
| | 50463 | 541 | | ref _retainedPartitionRetirementCursor); |
| | | 542 | | |
| | 1003 | 543 | | internal void RetireExpiredRetainedPartitions() => RetainedPartitionLifecycle.RetireExpired( |
| | 1003 | 544 | | _retainedPartitions, |
| | 1003 | 545 | | _context.World, |
| | 1003 | 546 | | this, |
| | 1003 | 547 | | _context.Settings.RetainedPartitionRetirementSweepBudget, |
| | 1003 | 548 | | _context.FrameCount, |
| | 1003 | 549 | | _context.Settings.RetainedPartitionTimeToKillFrames, |
| | 1003 | 550 | | _releaseRetainedPartition, |
| | 1003 | 551 | | ref _retainedPartitionRetirementCursor); |
| | | 552 | | |
| | | 553 | | internal int ActivatePartition(PhysicsPartition2D partition) |
| | | 554 | | { |
| | 36445 | 555 | | SwiftThrowHelper.ThrowIfNull(partition, nameof(partition)); |
| | 36445 | 556 | | SwiftThrowHelper.ThrowIfArgument( |
| | 36445 | 557 | | !ReferenceEquals(partition.Owner, this), |
| | 36445 | 558 | | nameof(partition), |
| | 36445 | 559 | | "2D partition must belong to this collision service."); |
| | | 560 | | |
| | 36445 | 561 | | return _activePartitions.Add(partition); |
| | | 562 | | } |
| | | 563 | | |
| | | 564 | | [MethodImpl(MethodImplOptions.AggressiveInlining)] |
| | 36444 | 565 | | internal void DeactivatePartition(int activationId) => _activePartitions.TryRemoveAt(activationId); |
| | | 566 | | |
| | | 567 | | internal PhysicsPartition2D RentPartition() |
| | | 568 | | { |
| | 50465 | 569 | | if (_inactivePartitionPool.Count == 0) |
| | 50446 | 570 | | TryRetireEmptyRetainedPartitionForReuse(); |
| | | 571 | | |
| | 50465 | 572 | | PhysicsPartition2D partition = _inactivePartitionPool.Count > 0 |
| | 50465 | 573 | | ? _inactivePartitionPool.Pop() |
| | 50465 | 574 | | : new PhysicsPartition2D(); |
| | 50465 | 575 | | partition.SetOwner(this); |
| | 50465 | 576 | | return partition; |
| | | 577 | | } |
| | | 578 | | |
| | | 579 | | private bool TryRetireEmptyRetainedPartitionForReuse() |
| | | 580 | | { |
| | 50446 | 581 | | return RetainedPartitionLifecycle.TryRetireEmptyForReuse( |
| | 50446 | 582 | | _retainedPartitions, |
| | 50446 | 583 | | _inactivePartitionPool, |
| | 50446 | 584 | | _context.World, |
| | 50446 | 585 | | this, |
| | 50446 | 586 | | _releaseRetainedPartition, |
| | 50446 | 587 | | ref _retainedPartitionRetirementCursor); |
| | | 588 | | } |
| | | 589 | | |
| | | 590 | | internal void ReleasePartition(PhysicsPartition2D partition) |
| | | 591 | | { |
| | 50463 | 592 | | SwiftThrowHelper.ThrowIfNull(partition, nameof(partition)); |
| | 50463 | 593 | | SwiftThrowHelper.ThrowIfArgument( |
| | 50463 | 594 | | !ReferenceEquals(partition.Owner, this), |
| | 50463 | 595 | | nameof(partition), |
| | 50463 | 596 | | "2D partition must be released through its owning collision service."); |
| | | 597 | | |
| | 50463 | 598 | | UntrackRetainedPartition(partition); |
| | 50463 | 599 | | partition.ResetForPool(); |
| | 50463 | 600 | | _inactivePartitionPool.Push(partition); |
| | 50463 | 601 | | } |
| | | 602 | | |
| | | 603 | | private sealed class PhysicsPartition2DOrderComparer : IComparer<PhysicsPartition2D> |
| | | 604 | | { |
| | | 605 | | public int Compare(PhysicsPartition2D? left, PhysicsPartition2D? right) => |
| | 468722 | 606 | | WorldVoxelIndexOrdering.ComparePlanar(left!.WorldIndex, right!.WorldIndex); |
| | | 607 | | } |
| | | 608 | | |
| | | 609 | | private sealed class Collider2DIdComparer : IComparer<LSCollider2D> |
| | | 610 | | { |
| | | 611 | | public int Compare(LSCollider2D? left, LSCollider2D? right) => |
| | 77385 | 612 | | left!.Id.CompareTo(right!.Id); |
| | | 613 | | } |
| | | 614 | | } |