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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A Scene Image file aggregates all the compiled binary VCD files into
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// a single file.
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//
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//=====================================================================================//
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#ifndef SCENE_IMAGE_FILE_H
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#define SCENE_IMAGE_FILE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "commonmacros.h"
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#include "tier1/checksum_crc.h"
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#define SCENE_IMAGE_ID MAKEID( 'V','S','I','F' )
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#define SCENE_IMAGE_VERSION 2
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// scene summary: cached calcs for commmon startup queries, variable sized
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struct SceneImageSummary_t
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{
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unsigned int msecs;
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int numSounds;
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int soundStrings[1]; // has numSounds
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};
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// stored sorted by crc filename for binary search
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struct SceneImageEntry_t
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{
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CRC32_t crcFilename; // expected to be normalized as scenes\???.vcd
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int nDataOffset; // offset to dword aligned data from start
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int nDataLength;
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int nSceneSummaryOffset; // offset to summary
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};
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struct SceneImageHeader_t
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{
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int nId;
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int nVersion;
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int nNumScenes; // number of scene files
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int nNumStrings; // number of unique strings in table
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int nSceneEntryOffset;
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inline const char *String( short iString )
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{
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if ( iString < 0 || iString >= nNumStrings )
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{
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Assert( 0 );
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return NULL;
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}
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// access string table (after header) to access pool
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unsigned int *pTable = (unsigned int *)((byte *)this + sizeof( SceneImageHeader_t ));
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return (char *)this + pTable[iString];
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}
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};
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#endif // SCENE_IMAGE_FILE_H
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