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CHUNK_ID_XYZI voxel bounds check to improve handling of corrupt files #59

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Merged
merged 1 commit into from
May 8, 2025
Merged

CHUNK_ID_XYZI voxel bounds check to improve handling of corrupt files #59

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4 changes: 3 additions & 1 deletion src/ogt_vox.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1399,7 +1399,9 @@
uint8_t z = packed_voxel_data[i * 4 + 2];
uint8_t color_index = packed_voxel_data[i * 4 + 3];
ogt_assert(x < size_x && y < size_y && z < size_z, "invalid data in XYZI chunk");
voxel_data[(x * k_stride_x) + (y * k_stride_y) + (z * k_stride_z)] = color_index;
if(x < size_x && y < size_y && z < size_z ) {
voxel_data[(x * k_stride_x) + (y * k_stride_y) + (z * k_stride_z)] = color_index;
}
}
_vox_file_seek_forwards(fp, num_voxels_in_chunk * 4);
// compute the hash of the voxels in this model-- used to accelerate duplicate models checking.
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