58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
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// FCSR - File/Resource Chunk (reversed "RSCF")
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// Contains embedded file data with path and type information
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// Primary chunk type for storing assets in Asura archives
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type fcsr_chunk [display="FCSR Resource"] byteorder BE
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{
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// Save chunk start position
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chunk_start = pos();
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// Standard 16-byte Asura chunk header
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chunk_id = ascii(read(4));
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u32 chunk_size;
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u32 version;
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u32 flags;
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chunk_id = chunk_id [ui, readonly, display="Chunk ID"];
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chunk_size = chunk_size [ui, readonly, display="Chunk Size"];
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version = version [ui, readonly, display="Version"];
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flags = flags [ui, readonly, display="Flags"];
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// Resource metadata
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u32 resource_type;
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u32 unknown1;
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u32 resource_size;
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resource_type = resource_type [ui, readonly, display="Resource Type"];
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unknown1 = unknown1 [ui, readonly, display="Unknown"];
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resource_size = resource_size [ui, readonly, display="Resource Size"];
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// Resource file path (null-terminated)
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resource_path = cstring();
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resource_path = resource_path [ui, readonly, display="Resource Path"];
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// Get filename from path and set as chunk name for tree display
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export_name = basename(resource_path);
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_name = export_name;
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// Calculate where resource data starts
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resource_offset = chunk_start + chunk_size - resource_size;
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// Export resource if size > 0
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if (resource_size > 0 && resource_offset >= pos()) {
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// Seek to resource data
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seek(resource_offset);
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// Read resource data
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resource_data = read(resource_size);
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// Export the file
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write_file(export_name, resource_data);
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// Preview if it's an image file
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if (ends_with(export_name, ".tga") || ends_with(export_name, ".dds") || ends_with(export_name, ".png") || ends_with(export_name, ".jpg") || ends_with(export_name, ".bmp")) {
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preview(export_name, resource_data);
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}
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}
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}
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