381b28c11f
Add XScript definitions for Rebellion's Asura engine formats: - Archive chunks (fcsr, acsr, rcsr) - Texture chunks (tsxt, xbtx2d_chunk) - Resource chunks and headers Used by games like Sniper Elite V2 on Xbox 360. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
106 lines
3.1 KiB
Plaintext
106 lines
3.1 KiB
Plaintext
// Asura Engine chunk structure
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// Used by Rebellion games: Sniper Elite, AVP 2010, etc.
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type asura_chunk [display="Asura Chunk"] byteorder BE
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{
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// Chunk header: 4-byte ID + 4-byte size + 4-byte version + 4-byte flags
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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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// Calculate remaining data size
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data_size = chunk_size - 16;
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if (data_size > 0) {
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data = read(data_size);
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data = data [ui, display="Chunk Data"];
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}
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}
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type asura_fcsr_chunk [display="FCSR Resource Chunk"] byteorder BE
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{
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// FCSR 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 info
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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="Unknown1"];
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resource_size = resource_size [ui, readonly, display="Resource Size"];
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// Read null-terminated name
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name = cstring();
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name = name [ui, readonly, display="Resource Name"];
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}
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type asura_lfsr_chunk [display="LFSR List Resource Chunk"] byteorder BE
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{
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// LFSR chunk header (list of file references)
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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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// Number of entries
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u32 entry_count;
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entry_count = entry_count [ui, readonly, display="Entry Count"];
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}
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type asura_tsxt_chunk [display="TSXT Texture Set Chunk"] byteorder BE
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{
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// TSXT chunk header (texture set)
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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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// Texture count
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u32 texture_count;
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texture_count = texture_count [ui, readonly, display="Texture Count"];
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}
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type asura_stsa_chunk [display="STSA Asset List Chunk"] byteorder BE
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{
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// STSA chunk header (asset list - reversed ASTS)
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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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// File count
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u32 file_count;
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file_count = file_count [ui, readonly, display="File Count"];
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}
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