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Original Source for 1.13 Mod High Resolution version from 12/06/05
git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@21 3b4a5df2-a311-0410-b5c6-a8a6f20db521
This commit is contained in:
lalien
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#ifdef PRECOMPILEDHEADERS
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#include "TileEngine All.h"
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#else
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#include <stdio.h>
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#include "types.h"
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#include "lighting.h"
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#include "Shade Table Util.h"
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#include "video.h"
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#include "WorldDat.h"
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#include "Fileman.h"
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#endif
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#define SHADE_TABLE_DIR "ShadeTables"
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extern CHAR8 TileSurfaceFilenames[NUMBEROFTILETYPES][32]; // symbol already declared globally in worlddef.cpp (jonathanl)
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BOOLEAN gfForceBuildShadeTables = FALSE;
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#ifdef JA2TESTVERSION
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extern UINT32 uiNumTablesSaved;
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extern UINT32 uiNumTablesLoaded;
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#endif
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void DetermineRGBDistributionSettings()
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{
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STRING512 DataDir;
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STRING512 ExecDir;
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STRING512 ShadeTableDir;
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UINT32 uiRBitMask, uiGBitMask, uiBBitMask;
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UINT32 uiPrevRBitMask, uiPrevGBitMask, uiPrevBBitMask;
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UINT32 uiNumBytesRead;
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HWFILE hfile;
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BOOLEAN fSaveRGBDist = FALSE;
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BOOLEAN fCleanShadeTable = FALSE;
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BOOLEAN fLoadedPrevRGBDist = FALSE;
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// Snap: save current directory
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GetFileManCurrentDirectory( DataDir );
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//First, determine if we have a file saved. If not, then this is the first time, and
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//all shade tables will have to be built and saved to disk. This can be time consuming, adding up to
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//3-4 seconds to the time of a map load.
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GetExecutableDirectory( ExecDir );
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sprintf( ShadeTableDir, "%s\\%s", DataDir, SHADE_TABLE_DIR );
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//Check to make sure we have a ShadeTable directory. If we don't create one!
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if( !SetFileManCurrentDirectory( ShadeTableDir ) )
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{
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if( !MakeFileManDirectory( ShadeTableDir ) )
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{
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AssertMsg( 0, "ShadeTable directory doesn't exist, and couldn't create one!" );
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}
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if( !SetFileManCurrentDirectory( ShadeTableDir ) )
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{
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AssertMsg( 0, "Couldn't access the newly created ShadeTable directory." );
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}
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fSaveRGBDist = TRUE;
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}
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if( !fSaveRGBDist )
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{ //Load the previous RGBDist and determine if it is the same one
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if( !FileExists( "RGBDist.dat" ) || FileExists( "ResetShadeTables.txt" ) )
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{ //Can't find the RGBDist.dat file. The directory exists, but the file doesn't, which
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//means the user deleted the file manually. Now, set it up to create a new one.
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fSaveRGBDist = TRUE;
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fCleanShadeTable = TRUE;
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}
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else
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{
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hfile = FileOpen( "RGBDist.dat", FILE_ACCESS_READ, FALSE );
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if( !hfile )
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{
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AssertMsg( 0, "Couldn't open RGBDist.dat, even though it exists!" );
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}
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FileRead( hfile, &uiPrevRBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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FileRead( hfile, &uiPrevGBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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FileRead( hfile, &uiPrevBBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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fLoadedPrevRGBDist = TRUE;
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FileClose( hfile );
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}
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}
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if( !GetPrimaryRGBDistributionMasks( &uiRBitMask, &uiGBitMask, &uiBBitMask ) )
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{
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AssertMsg( 0, "Failed to extract the current RGB distribution masks." );
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}
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if( fLoadedPrevRGBDist )
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{
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if( uiRBitMask != uiPrevRBitMask || uiGBitMask != uiPrevGBitMask || uiBBitMask != uiPrevBBitMask )
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{ //The user has changed modes since the last time he has played JA2. This essentially can only happen if:
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//1) The video card has been changed since the last run of JA2.
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//2) Certain video cards have different RGB distributions in different operating systems such as
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// the Millenium card using Windows NT or Windows 95
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//3) The user has physically modified the RGBDist.dat file.
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fSaveRGBDist = TRUE;
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fCleanShadeTable = TRUE;
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}
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}
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if( fCleanShadeTable )
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{ //This means that we are going to remove all of the current shade tables, if any exist, and
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//start fresh.
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EraseDirectory( ShadeTableDir );
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}
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if( fSaveRGBDist )
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{ //The RGB distribution is going to be saved in a tiny file for future reference. As long as the
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//RGB distribution never changes, the shade table will grow until eventually, all tilesets are loaded,
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//shadetables generated and saved in this directory.
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hfile = FileOpen( "RGBDist.dat", FILE_ACCESS_WRITE | FILE_CREATE_ALWAYS, FALSE );
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if( !hfile )
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{
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AssertMsg( 0, "Couldn't create RGBDist.dat for writing!" );
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}
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FileWrite( hfile, &uiRBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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FileWrite( hfile, &uiGBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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FileWrite( hfile, &uiBBitMask, sizeof( UINT32 ), &uiNumBytesRead );
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FileClose( hfile );
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}
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// Snap: Restore the data directory once we are finished.
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SetFileManCurrentDirectory( DataDir );
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//We're done, so restore the executable directory to JA2\Data.
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//sprintf( DataDir, "%s\\Data", ExecDir );
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//SetFileManCurrentDirectory( DataDir );
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}
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BOOLEAN LoadShadeTable( HVOBJECT pObj, UINT32 uiTileTypeIndex )
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{
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HWFILE hfile;
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INT32 i;
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UINT32 uiNumBytesRead;
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UINT8 ShadeFileName[ 100 ];
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UINT8 *ptr;
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//ASSUMPTIONS:
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//We are assuming that the uiTileTypeIndex is referring to the correct file
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//stored in the TileSurfaceFilenames[]. If it isn't, then that is a huge problem
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//and should be fixed. Also assumes that the directory is set to Data\ShadeTables.
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strcpy( ShadeFileName, TileSurfaceFilenames[ uiTileTypeIndex ] );
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ptr = (UINT8 *)strstr( ShadeFileName, "." );
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if( !ptr )
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{
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return FALSE;
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}
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ptr++;
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sprintf( (char *)ptr, "sha" );
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hfile = FileOpen( (STR)ShadeFileName, FILE_ACCESS_READ, FALSE );
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if( !hfile )
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{ //File doesn't exist, so generate it
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FileClose( hfile );
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return FALSE;
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}
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//MISSING: Compare time stamps.
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for( i = 0; i < 16; i++ )
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{
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pObj->pShades[ i ] = (UINT16 *) MemAlloc( 512 );
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Assert( pObj->pShades[ i ] );
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FileRead( hfile, pObj->pShades[ i ], 512, &uiNumBytesRead );
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}
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//The file exists, now make sure the
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FileClose( hfile );
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#ifdef JA2TESTVERSION
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uiNumTablesLoaded++;
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#endif
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return TRUE;
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}
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BOOLEAN SaveShadeTable( HVOBJECT pObj, UINT32 uiTileTypeIndex )
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{
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HWFILE hfile;
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INT32 i;
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UINT32 uiNumBytesWritten;
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UINT8 ShadeFileName[ 100 ];
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UINT8 *ptr;
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#ifdef JA2TESTVERSION
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uiNumTablesSaved++;
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#endif
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//ASSUMPTIONS:
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//We are assuming that the uiTileTypeIndex is referring to the correct file
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//stored in the TileSurfaceFilenames[]. If it isn't, then that is a huge problem
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//and should be fixed. Also assumes that the directory is set to Data\ShadeTables.
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strcpy( ShadeFileName, TileSurfaceFilenames[ uiTileTypeIndex ] );
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ptr = (UINT8 *)strstr( ShadeFileName, "." );
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if( !ptr )
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{
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return FALSE;
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}
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ptr++;
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sprintf( (char *) ptr, "sha" );
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hfile = FileOpen( (STR)ShadeFileName, FILE_ACCESS_WRITE | FILE_CREATE_ALWAYS, FALSE );
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if( !hfile )
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{
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FileClose( hfile );
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AssertMsg( 0, String( "Can't create %s", ShadeFileName ) );
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return FALSE;
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}
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for( i = 0; i < 16; i++ )
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{
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FileWrite( hfile, pObj->pShades[ i ], 512, &uiNumBytesWritten );
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}
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FileClose( hfile );
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return TRUE;
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}
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BOOLEAN DeleteShadeTableDir( )
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{
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return( RemoveFileManDirectory( SHADE_TABLE_DIR, TRUE ) );
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}
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