You're breathtaking!

2020-12-07 23:40:54 +01:00
commit 6fb9eee74c
5143 changed files with 1153594 additions and 0 deletions
--- a/Source/Engine/Navigation/NavMeshData.cpp
+++ b/Source/Engine/Navigation/NavMeshData.cpp
@@ -0,0 +1,95 @@
+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+#include "NavMeshData.h"
+#include "Engine/Core/Log.h"
+#include "Engine/Serialization/MemoryReadStream.h"
+
+void NavMeshData::Save(WriteStream& stream)
+{
+    // Write header
+    NavMeshDataHeader header;
+    header.Version = 1;
+    header.TileSize = TileSize;
+    header.TilesCount = Tiles.Count();
+    stream.Write(&header);
+
+    // Write tiles
+    for (int32 tileIndex = 0; tileIndex < Tiles.Count(); tileIndex++)
+    {
+        auto& tile = Tiles[tileIndex];
+
+        // Write tile header
+        NavMeshTileDataHeader tileHeader;
+        tileHeader.PosX = tile.PosX;
+        tileHeader.PosY = tile.PosY;
+        tileHeader.Layer = tile.Layer;
+        tileHeader.DataSize = tile.Data.Length();
+        stream.Write(&tileHeader);
+
+        // Write tile data
+        if (tileHeader.DataSize)
+        {
+            stream.WriteBytes(tile.Data.Get(), tileHeader.DataSize);
+        }
+        else
+        {
+            LOG(Warning, "Empty navmesh tile data.");
+        }
+    }
+}
+
+bool NavMeshData::Load(BytesContainer& data, bool copyData)
+{
+    // No data
+    if (data.Length() < sizeof(NavMeshDataHeader))
+    {
+        LOG(Warning, "No valid navmesh data.");
+        return true;
+    }
+    MemoryReadStream stream(data.Get(), data.Length());
+
+    // Read header
+    const auto header = stream.Read<NavMeshDataHeader>(1);
+    if (header->Version != 1)
+    {
+        LOG(Warning, "Invalid valid navmesh data version {0}.", header->Version);
+        return true;
+    }
+    if (header->TilesCount < 0 || header->TileSize < 1)
+    {
+        LOG(Warning, "Invalid navmesh data.");
+        return true;
+    }
+    TileSize = header->TileSize;
+    Tiles.Resize(header->TilesCount);
+
+    // Read tiles
+    for (int32 tileIndex = 0; tileIndex < Tiles.Count(); tileIndex++)
+    {
+        auto& tile = Tiles[tileIndex];
+
+        // Read tile header
+        const auto tileHeader = stream.Read<NavMeshTileDataHeader>(1);
+        if (tileHeader->DataSize <= 0)
+        {
+            LOG(Warning, "Invalid navmesh tile data.");
+            return true;
+        }
+        tile.PosX = tileHeader->PosX;
+        tile.PosY = tileHeader->PosY;
+        tile.Layer = tileHeader->Layer;
+
+        // Read tile data
+        const auto tileData = stream.Read<byte>(tileHeader->DataSize);
+        if (copyData)
+        {
+            tile.Data.Copy(tileData, tileHeader->DataSize);
+        }
+        else
+        {
+            tile.Data.Link(tileData, tileHeader->DataSize);
+        }
+    }
+
+    return false;
+}