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Fix crash when exporting terrain that has missing patch data

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This commit is contained in:
Wojtek Figat
2026-03-25 22:31:53 +01:00
parent c12553812c
commit 32af903a2d
1 changed files with 12 additions and 3 deletions
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15
Source/Editor/Tools/Terrain/TerrainTools.cpp
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@@ -382,7 +382,8 @@ bool TerrainTools::ExportTerrain(Terrain* terrain, String outputFolder)
const Int2 heightmapSize = size * Terrain::ChunksCountEdge * terrain->GetChunkSize() + 1;
Array<float> heightmap;
heightmap.Resize(heightmapSize.X * heightmapSize.Y);
heightmap.SetAll(firstPatch->GetHeightmapData()[0]);
if (const float* heightmapData = firstPatch->GetHeightmapData())
heightmap.SetAll(heightmapData[0]);
// Fill heightmap with data from all patches
const int32 rowSize = terrain->GetChunkSize() * Terrain::ChunksCountEdge + 1;
@@ -392,8 +393,16 @@ bool TerrainTools::ExportTerrain(Terrain* terrain, String outputFolder)
const Int2 pos(patch->GetX() - start.X, patch->GetZ() - start.Y);
const float* src = patch->GetHeightmapData();
float* dst = heightmap.Get() + pos.X * (rowSize - 1) + pos.Y * heightmapSize.X * (rowSize - 1);
for (int32 row = 0; row < rowSize; row++)
Platform::MemoryCopy(dst + row * heightmapSize.X, src + row * rowSize, rowSize * sizeof(float));
if (src)
{
for (int32 row = 0; row < rowSize; row++)
Platform::MemoryCopy(dst + row * heightmapSize.X, src + row * rowSize, rowSize * sizeof(float));
}
else
{
for (int32 row = 0; row < rowSize; row++)
Platform::MemoryClear(dst + row * heightmapSize.X, rowSize * sizeof(float));
}
}
// Interpolate to 16-bit int