changing compression feature into an Interface

src/DotRecast.Core/IRcCompressor.cs

@@ -18,10 +18,11 @@ freely, subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
-namespace DotRecast.Detour.TileCache
+namespace DotRecast.Core
 {
-    public interface IDtTileCacheCompressor
+    public interface IRcCompressor
     {
+        byte[] Decompress(byte[] data);
         byte[] Decompress(byte[] buf, int offset, int len, int outputlen);
 
         byte[] Compress(byte[] buf);

src/DotRecast.Detour.Dynamic/Io/LZ4VoxelTileCompressor.cs

@@ -22,7 +22,7 @@ using K4os.Compression.LZ4;
 
 namespace DotRecast.Detour.Dynamic.Io
 {
-    public class LZ4VoxelTileCompressor
+    public class LZ4VoxelTileCompressor : IRcCompressor
     {
         public byte[] Decompress(byte[] data)
         {
@@ -30,6 +30,11 @@ namespace DotRecast.Detour.Dynamic.Io
             return LZ4Pickler.Unpickle(data.AsSpan(4, compressedSize));
         }
 
+        public byte[] Decompress(byte[] buf, int offset, int len, int outputlen)
+        {
+            return LZ4Pickler.Unpickle(buf, offset, len);
+        }
+
         public byte[] Compress(byte[] data)
         {
             byte[] compressed = LZ4Pickler.Pickle(data, LZ4Level.L12_MAX);

src/DotRecast.Detour.Dynamic/Io/VoxelFile.cs

@@ -159,4 +159,4 @@ namespace DotRecast.Detour.Dynamic.Io
             return f;
         }
     }
-}
+}

src/DotRecast.Detour.Dynamic/Io/VoxelFileReader.cs

@@ -139,4 +139,4 @@ namespace DotRecast.Detour.Dynamic.Io
             return file;
         }
     }
-}
+}

src/DotRecast.Detour.Dynamic/Io/VoxelFileWriter.cs

@@ -92,4 +92,4 @@ namespace DotRecast.Detour.Dynamic.Io
             stream.Write(bytes);
         }
     }
-}
+}

src/DotRecast.Detour.TileCache/DtTileCache.cs

@@ -54,7 +54,7 @@ namespace DotRecast.Detour.TileCache
         private readonly DtTileCacheParams m_params;
         private readonly TileCacheStorageParams m_storageParams;
 
-        private readonly IDtTileCacheCompressor m_tcomp;
+        private readonly IRcCompressor m_tcomp;
         private readonly IDtTileCacheMeshProcess m_tmproc;
 
         private readonly List<DtTileCacheObstacle> m_obstacles = new List<DtTileCacheObstacle>();
@@ -112,7 +112,7 @@ namespace DotRecast.Detour.TileCache
         }
 
         public DtTileCache(DtTileCacheParams option, TileCacheStorageParams storageParams, DtNavMesh navmesh,
-            IDtTileCacheCompressor tcomp, IDtTileCacheMeshProcess tmprocs)
+            IRcCompressor tcomp, IDtTileCacheMeshProcess tmprocs)
         {
             m_params = option;
             m_storageParams = storageParams;
@@ -726,7 +726,7 @@ namespace DotRecast.Detour.TileCache
             return m_params;
         }
 
-        public IDtTileCacheCompressor GetCompressor()
+        public IRcCompressor GetCompressor()
         {
             return m_tcomp;
         }

src/DotRecast.Detour.TileCache/DtTileCacheBuilder.cs

@@ -1958,7 +1958,7 @@ namespace DotRecast.Detour.TileCache
             }
         }
 
-        public DtTileCacheLayer DecompressTileCacheLayer(IDtTileCacheCompressor comp, byte[] compressed, RcByteOrder order,
+        public DtTileCacheLayer DecompressTileCacheLayer(IRcCompressor comp, byte[] compressed, RcByteOrder order,
             bool cCompatibility)
         {
             RcByteBuffer buf = new RcByteBuffer(compressed);

src/DotRecast.Detour.TileCache/Io/Compress/DtFastLzCompressor.cs

@@ -19,11 +19,17 @@ freely, subject to the following restrictions:
 */
 
 using DotRecast.Core;
+using K4os.Compression.LZ4;
 
 namespace DotRecast.Detour.TileCache.Io.Compress
 {
-    public class DtTileCacheFastLzCompressor : IDtTileCacheCompressor
+    public class DtFastLzCompressor : IRcCompressor
     {
+        public byte[] Decompress(byte[] buf)
+        {
+            return LZ4Pickler.Unpickle(buf);
+        }
+        
         public byte[] Decompress(byte[] buf, int offset, int len, int outputlen)
         {
             byte[] output = new byte[outputlen];

src/DotRecast.Detour.TileCache/Io/Compress/DtLz4Compressor.cs

@@ -18,12 +18,18 @@ freely, subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+using DotRecast.Core;
 using K4os.Compression.LZ4;
 
 namespace DotRecast.Detour.TileCache.Io.Compress
 {
-    public class DtTileCacheLZ4Compressor : IDtTileCacheCompressor
+    public class DtLz4Compressor : IRcCompressor
     {
+        public byte[] Decompress(byte[] buf)
+        {
+            return LZ4Pickler.Unpickle(buf);
+        }
+        
         public byte[] Decompress(byte[] buf, int offset, int len, int outputlen)
         {
             return LZ4Pickler.Unpickle(buf, offset, len);

src/DotRecast.Detour.TileCache/Io/Compress/DtTileCacheCompressorFactory.cs

@@ -18,16 +18,18 @@ freely, subject to the following restrictions:
 3. This notice may not be removed or altered from any source distribution.
 */
 
+using DotRecast.Core;
+
 namespace DotRecast.Detour.TileCache.Io.Compress
 {
     public static class DtTileCacheCompressorFactory
     {
-        public static IDtTileCacheCompressor Get(bool cCompatibility)
+        public static IRcCompressor Get(bool cCompatibility)
         {
             if (cCompatibility)
-                return new DtTileCacheFastLzCompressor();
+                return new DtFastLzCompressor();
 
-            return new DtTileCacheLZ4Compressor();
+            return new DtLz4Compressor();
         }
     }
 }

src/DotRecast.Detour.TileCache/Io/DtTileCacheReader.cs

@@ -64,7 +64,7 @@ namespace DotRecast.Detour.TileCache.Io
             header.meshParams = paramReader.Read(bb);
             header.cacheParams = ReadCacheParams(bb, cCompatibility);
             DtNavMesh mesh = new DtNavMesh(header.meshParams, maxVertPerPoly);
-            IDtTileCacheCompressor compressor = DtTileCacheCompressorFactory.Get(cCompatibility);
+            IRcCompressor compressor = DtTileCacheCompressorFactory.Get(cCompatibility);
             DtTileCache tc = new DtTileCache(header.cacheParams, new TileCacheStorageParams(bb.Order(), cCompatibility), mesh,
                 compressor, meshProcessor);
             // Read tiles.

test/DotRecast.Detour.Dynamic.Test/DynamicNavMeshTest.cs

@@ -4,7 +4,6 @@ using System.Threading.Tasks;
 using DotRecast.Core;
 using DotRecast.Detour.Dynamic.Colliders;
 using DotRecast.Detour.Dynamic.Io;
-
 using NUnit.Framework;
 
 namespace DotRecast.Detour.Dynamic.Test;